CN116281784A - Multi-degree-of-freedom-adjustment ascending operation vehicle - Google Patents

Abstract

The invention discloses a multi-degree-of-freedom-adjustment ascending operation vehicle which comprises a traveling mechanism, a fixed platform and a guardrail assembly, wherein the fixed platform is arranged on the traveling mechanism in a lifting adjustment manner, the guardrail assembly is rotatably arranged on the fixed platform, and at least has a folding state and a working state in the rotation adjustment process, the guardrail assembly is positioned above the fixed platform in the folding state, and extends out of one side of the fixed platform in the working state so as to provide protection for workers during operation of the workers. The multi-degree-of-freedom-adjustment ascending operation vehicle disclosed by the invention has the advantages that the guardrail assembly can be quickly arranged at the top end of large-sized mechanical equipment, the operation is convenient, the time and the labor are saved, the large-sized mechanical equipment to be assembled or maintained cannot be damaged, and in addition, the safety is better.

Description

Multi-degree-of-freedom adjustable climbing work vehicle

technical field

The invention relates to protective equipment, in particular to a multi-degree-of-freedom adjustable climbing work vehicle.

Background technique

When assembling or maintaining the top of some large mechanical equipment, such as large vehicles, aircraft or large construction machinery, it is necessary to set up guardrails to improve safety and prevent workers from accidentally falling from the top of large mechanical equipment.

In the prior art, temporary guardrails are generally erected directly on the top of large-scale mechanical equipment. After the work is completed, the erected guardrails are removed. Not only is the operation cumbersome, time-consuming and labor-intensive, but also the large-scale mechanical equipment is easily damaged during the process of erecting the guardrails. , In addition, in the process of setting up guardrails, it is easy to cause safety accidents.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention proposes a multi-degree-of-freedom adjustable climbing operation vehicle, which can quickly set the guardrail assembly on the top of large-scale mechanical equipment, which is not only convenient to operate, saves time and effort, but also does not damage the large-scale mechanical equipment to be assembled or repaired. , in addition to better security.

The multi-degree-of-freedom adjustable climbing work vehicle according to an embodiment of the present invention includes:

walking mechanism;

a fixed platform, which can be adjusted up and down on the walking mechanism;

The guardrail assembly is mounted on the fixed platform in a rotationally adjustable manner, and the guardrail assembly has at least a retracted state and a working state during the rotational adjustment process;

Wherein, in the folded state, the guardrail assembly is located above the fixed platform;

In the working state, the guardrail assembly protrudes from one side of the fixed platform, so as to protect the staff when they are working.

The multi-degree-of-freedom adjustable climbing work vehicle according to the embodiment of the present invention has at least the following beneficial effects:

The multi-degree-of-freedom-adjustable climbing operation vehicle of the present invention needs to be assembled or maintained on the top of large-scale mechanical equipment, the traveling mechanism is moved to the vicinity of the large-scale mechanical equipment, and then the guardrail assembly is rotated and adjusted so that the guardrail assembly is located on a fixed platform. On the side and above the large mechanical equipment, the guardrail assembly encloses the position where the top of the large mechanical equipment needs to be assembled or repaired, and then the staff can go to the top of the large mechanical equipment for assembly or maintenance operations. Due to the protective effect of the guardrail assembly, It can prevent workers from accidentally falling from the top of large mechanical equipment. When it is necessary to assemble or repair other positions on the top of the large mechanical equipment, the traveling mechanism can drive the guardrail assembly to the corresponding position. After the operation is completed, the guardrail assembly can be rotated and adjusted so that the guardrail assembly can be rotated to a folded state above the fixed platform. Compared with temporarily setting up guardrails, it is not only convenient to operate, saves time and effort, but also does not damage large mechanical equipment to be assembled or repaired, and is also safer.

According to some embodiments of the present invention, the guardrail assembly includes:

Two side rails arranged side by side, one end of the two side rails is installed on the fixed platform by rotating around the horizontal axis;

The connecting column is arranged between the ends of the two side columns away from the fixed platform; wherein,

In the folded state, the side rail extends vertically, and the connecting rail is located at the top of the side rail;

In the working state, the side rails extend laterally.

According to some embodiments of the present invention, the multi-degree-of-freedom adjustable climbing work vehicle further includes an overturn control mechanism, and the overturn control mechanism includes:

The first winch is located on the fixed platform;

A first traction rope, one end of which is wound on the first winch, and the other end is connected to the guardrail assembly;

Wherein, in the folded state, the center of gravity of the guardrail assembly is located on one side of the vertical plane where the horizontal axis is located, so that the guardrail assembly has a tendency to rotate downward;

In the working state, the first winch can drive the guardrail assembly to rotate upwards through the first traction rope.

According to some embodiments of the present invention, a locking structure is provided between the fixed platform and the guardrail assembly, and the locking structure is used to lock the guardrail when the guardrail assembly is in the retracted state components.

According to some embodiments of the present invention, the sidebar includes:

The first column is rotatably installed on the fixed platform around the horizontal axis;

The second column is installed on the first column in a sliding and adjustable manner, the sliding direction of the second column is parallel to the extension direction of the side column, and the connecting column is arranged on two of the second columns away from the fixed between one end of the platform.

According to some embodiments of the present invention, the multi-degree-of-freedom adjustable climbing work vehicle further includes a sliding control mechanism, and the sliding control mechanism includes:

The second winch is located on the fixed platform, the second winch is provided with an output shaft, and the output shaft is coaxially provided with two winding wheels;

A second traction rope, one end of which is wound on one of the winding wheels, and the other end is connected to the second column;

The third traction rope, one end of which is wound on the other said winding wheel, the winding direction of the third traction rope is opposite to that of the second traction rope, and the first column is far away from the end of the fixed platform A first reversing wheel is provided, and the other end of the third traction rope is wound around the first reversing wheel and then connected to one end of the second column close to the fixed platform;

Wherein, when the output shaft rotates counterclockwise, the second traction rope drives the second column to slide toward the direction close to the fixed platform;

When the output shaft rotates clockwise, the third traction rope drives the second rail to slide away from the fixed platform.

According to some embodiments of the present invention, the end of the first column close to the fixed platform is horizontally provided with a main rotating shaft and two auxiliary rotating shafts parallel to each other, and the two auxiliary rotating shafts are located at different positions in the circumferential direction of the main rotating shaft , the main shaft is coaxially provided with a first main guide wheel and a second main guide wheel, and the auxiliary shaft is coaxially provided with a first guide guide wheel and a second guide guide wheel, and the first guide guide wheel and the The first main steering wheel corresponds to a first gap reserved between them, the second auxiliary steering wheel corresponds to the second main steering wheel and a second gap is reserved between the two, so The second traction rope passes through the two first gaps in sequence, and the third traction rope passes through the two second gaps in sequence.

According to some embodiments of the present invention, the fixed platform is provided with a movable adjustable pedal, and the pedal can be located on one side of the fixed platform or accommodated in the fixed platform during the movable adjustment process.

According to some embodiments of the present invention, the pedal includes a plurality of pedal units arranged side by side, the pedal unit is slidably installed on the fixed platform, and the sliding of the pedal unit is convenient to be perpendicular to the arrangement direction of the plurality of pedal units .

According to some embodiments of the present invention, the pedal unit is provided with a rack along its sliding direction, the fixed platform is rotatably installed with a transmission shaft, the transmission shaft extends along the arrangement direction of the pedal unit, and the transmission shaft Corresponding to each of the pedal units, there is provided a gear engaging with the rack.

According to some embodiments of the present invention, the running mechanism includes:

The base is provided with casters or crawlers;

The lifting structure is arranged on the base, and the fixed platform is connected to the top of the lifting structure;

the first guide frame is arranged on the base;

The second guide frame is vertically slidably installed on the inner side of the first guide frame, and the fixed platform is vertically slidably installed on the inner side of the second guide frame.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment, wherein:

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the schematic diagram of the structure after the fixed platform rises;

Fig. 3 is a structural schematic diagram of the climbing work vehicle of the present invention when it is working;

Fig. 4 is a schematic diagram of the guardrail assembly when it is in a folded state;

Fig. 5 is a schematic diagram when the guardrail assembly is in working condition;

Fig. 6 is a partial structural schematic diagram of Fig. 5;

Fig. 7 is the enlarged view of place A in Fig. 6;

Fig. 8 is a working schematic diagram of the sliding control mechanism when the guardrail assembly is in a retracted state;

Fig. 9 is a working schematic diagram of the sliding control mechanism when the guardrail assembly is in working state;

Fig. 10 is the structural representation of fixed platform;

Fig. 11 is the structural representation of the first column;

Fig. 12 is the installation diagram of the second column and the connecting column;

Figure 13 is a schematic diagram of the installation of the pedals.

Figure number:

Walking mechanism 100; base 101; casters 102; lifting structure 103; first guide frame 104; second guide frame 105;

Fixed platform 200; Pedal 201; Pedal unit 202; Rack 203; Transmission shaft 204; Stopper 211; locking pin 212; storage cavity 213; fifth travel switch 214;

Guardrail assembly 300; side rail 301; connecting rail 302; first rail 303; second rail 304; third travel switch 305; fourth travel switch 306; third block 307;

Turnover control mechanism 400; first winch 401; first traction rope 402; third reversing wheel 403;

Sliding control mechanism 500; second winch 501; output shaft 502; winding wheel 503; second traction rope 504; third traction rope 505; first reversing wheel 506; main shaft 507; auxiliary shaft 508; first main guide Wheel 509; the second main steering wheel 510; the first steering wheel 511; the second steering wheel 512; the second reversing wheel 513;

Control box 600.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that when it comes to orientation descriptions, for example, the orientation or positional relationship indicated by up, down, etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description , rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention.

In the description of the present invention, a plurality refers to two or more. If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

A multi-degree-of-freedom adjustable climbing work vehicle according to an embodiment of the present invention will be described below with reference to FIG. 1 and FIG. 13 .

As shown in Figures 1 to 6, the multi-degree-of-freedom adjustable climbing work vehicle according to the embodiment of the present invention includes:

Walking mechanism 100;

The fixed platform 200 is set on the traveling mechanism 100 in a way that can be adjusted up and down;

The guardrail assembly 300 is mounted on the fixed platform 200 in a rotationally adjustable manner, and the guardrail assembly 300 has at least a retracted state and a working state during the rotational adjustment process;

Wherein, in the folded state, the guardrail assembly 300 is located above the fixed platform 200;

In the working state, the guardrail assembly 300 protrudes from one side of the fixed platform 200 to provide protection for the workers when they are working.

For the multi-degree-of-freedom adjustable climbing work vehicle of the present invention, when the top of large-scale mechanical equipment needs to be assembled or maintained, the traveling mechanism 100 is moved to the vicinity of the large-scale mechanical equipment, and then the guardrail assembly 300 is rotated and adjusted so that the guardrail assembly 300 is positioned at a fixed position. One side of the platform 200 is located above the large mechanical equipment, and the guardrail assembly 300 encloses the position where the top of the large mechanical equipment needs to be assembled or maintained. The protective effect of 300 can prevent workers from accidentally falling from the top of large mechanical equipment. When it is necessary to assemble or repair other positions on the top of the large mechanical equipment, the traveling mechanism 100 can drive the guardrail assembly 300 to the corresponding position. After the operation is completed, the guardrail assembly 300 can be rotated and adjusted so that the guardrail assembly 300 can be rotated to a folded state above the fixed platform 200 . Compared with temporarily setting up guardrails, it is not only convenient to operate, saves time and effort, but also does not damage large mechanical equipment to be assembled or repaired, and is also safer.

It should be noted that when the guardrail assembly 300 is in the folded state, it is located above the fixed platform 200, thereby avoiding the overturning of the multi-degree-of-freedom-adjustable climbing work vehicle due to the unstable center of gravity when moving, and at the same time reducing the number of guardrail assemblies. 300 Collision to external equipment. It can be understood that the guardrail assembly 300 can rotate around a horizontal axis or a vertical axis, and it only needs to be able to rotate to a folded state above the fixed platform 200 or a working state on one side of the fixed platform 200 .

In some embodiments of the present invention, as shown in FIGS. 2 and 3 , the running mechanism 100 includes a base 101, a lifting structure 103, a first guide frame 104 and a second guide frame 105, and the base 101 is provided with casters 102 or crawlers, The lifting structure 103 is arranged on the base 101, the fixed platform 200 is connected to the top of the lifting structure 103, the first guide frame 104 is arranged on the base 101, and the second guide frame 105 is vertically slidably installed on the inside of the first guide frame 104, and the fixed platform 200 is vertically slidably mounted on the inner side of the second guide frame 105 .

Specifically, the first guide frame 104 may include two first guide plates, the second guide frame 105 may include two second guide plates, the two first guide plates are arranged side by side and vertically on both sides of the base 101, and the two first guide plates are vertically arranged on both sides of the base 101. A second guide plate is vertically slidably installed on the side where the two first guide plates are close, and the two ends of the fixed platform 200 are vertically slidably installed on the side where the two second guide plates are close, and the lifting structure 103 It may be a scissor support frame, and the fixed platform 200 is connected to the top of the scissor support frame. The scissor support frame controls the lifting of the fixed platform 200 through its own expansion and contraction. When the fixed platform 200 is raised and lowered, the fixed platform 200 slides vertically on the second guide frame 105, and the second guide frame 105 vertically slides on the first guide frame 104. slide. In this embodiment, the first guide frame 104 and the second guide frame 105 are provided to guide the fixed platform 200 , so that the fixed platform 200 can rise and fall more smoothly, and avoid the fixed platform 200 from rolling over. In addition, when the fixed platform 200 slides downward, it can be accommodated in the second guide frame 105, and when the second guide frame 105 slides downward, it can be accommodated in the first guide frame 104. Moreover, when the climbing operation vehicle of the present invention is folded, the volume is smaller, the occupied space is smaller, and storage is more convenient.

It should be noted that the lifting structure 103 may also be other structures, such as a lifting cylinder. The first guide frame 104 can be vertically provided with guide rails or slide grooves for the second guide frame 105 to be slidably connected, and the second guide frame 105 can also be vertically provided with guide rails or slide grooves for the fixed platform 200 to be slidably connected. In addition, the running mechanism 100 can also be of other structures, for example, it can be a common loading vehicle, and the fixed platform 200 is installed on the loading vehicle.

In some embodiments of the present invention, as shown in FIG. 4 and FIG. 5 , the guardrail assembly 300 includes two side rails 301 and a connecting rail 302 arranged side by side, and one end of the two side rails 301 is rotatably mounted on a fixed platform around a horizontal axis. 200, the connecting bar 302 is set between the ends of the two side bars 301 away from the fixed platform 200; wherein, in the folded state, the side bar 301 extends vertically, and the connecting bar 302 is located at the top of the side bar 301, in the working state Next, the side rail 301 extends laterally.

Specifically, mounting brackets may be provided on opposite sides of the fixed platform 200, and the mounting brackets may be provided with hinged disks, and one end of the side rail 301 is mounted on the hinged disks to rotate around a horizontal axis. When in the folded state, the side rail 301 extends vertically, that is, the length direction of the side rail 301 is vertical. When in a working state, the side rail 301 extends laterally, that is, the length direction of the side rail 301 is horizontal. The guardrail assembly 300 of this embodiment has a simple structure and good protection effect. In addition, when in the folded state, the side rail 301 extends vertically, so the side rail 301 can be set longer, so that the protective range of the guardrail assembly 300 can be larger.

It should be noted that a protective structure 207 can also be provided on the peripheral side of the fixed platform 200. The protective structure 207 can not only prevent the staff from falling from the fixed platform 200, but also when the guardrail assembly 300 is in the working state, the protective structure 207 is close to the guardrail. One side of the assembly 300 can also be enclosed with the guardrail assembly 300 to form a complete fence, which has a better protection effect. The guardrail assembly 300 can also be of other structures, for example, a connecting rail 302 can also be arranged between the ends of the two side rails 301 close to the fixed platform 200, and then the guardrail assembly 300 directly forms a full-circle fence, and the protection effect is also good. It can be understood that the horizontal axis referred to in the present invention, that is, the rotation centerline of the guardrail assembly 300 extends along the horizontal direction. For intuitive understanding, a dotted line is used as the horizontal axis in FIG. 5 .

In some embodiments of the present invention, as shown in FIG. 4 to FIG. 6 and FIG. 10 , the multi-degree-of-freedom adjustable climbing work vehicle further includes a turning control mechanism 400, and the turning control mechanism 400 includes a first winch 401 and a first traction rope 402, the first hoist 401 is set on the fixed platform 200, one end of the first traction rope 402 is wound up on the first hoist 401, and the other end of the first traction rope 402 is connected to the guardrail assembly 300, wherein, in the folded state, the guardrail assembly The center of gravity of 300 is located on one side of the vertical plane where the horizontal axis is located, so that the guardrail assembly 300 has a tendency to rotate downward.

Specifically, both sides of the fixed platform 200 can be vertically provided with support columns, and the top of the two support columns can be provided with a third reversing wheel 403, and the first winch 401 is rotated with a drive shaft, and the drive shaft can be set coaxially. There are two reels, the first traction rope 402 can be provided with two, and one end of the two first traction ropes 402 is wound on the two reels respectively, and the two first traction ropes 402 are respectively wound with two third The reversing wheel 403 and the other ends of the two first traction ropes 402 are respectively connected to the two side rails 301 of the guardrail assembly 300 . When the guardrail assembly 300 is in the retracted state, the center of gravity of the guardrail assembly 300 can be located on the side where the vertical plane where the horizontal axis is located is close to the large mechanical equipment. At the same time, a locking structure can be set for locking. When the guardrail assembly 300 needs to be rotated downward to the working state, the locking of the guardrail assembly 300 is released, and then the first winch 401 controls the two reels to rotate synchronously in the set direction. , the two reels release the first traction rope 402, and the guardrail assembly 300 can rotate downwards to the working state under the action of its own gravity, without the need for an additional driving mechanism to control the rotation. After the operation is completed, when it is necessary to rotate the guardrail assembly 300 upwards to the retracted state, the first hoist 401 controls the two reels to rotate synchronously in the opposite direction to the set direction, and the two first traction ropes 402 can be gradually retracted. Rolled on the two rollers, so that the guardrail assembly 300 can be pulled upwards and rotated to the folded state, the structure is simple, and the operation is convenient.

It should be noted that two first hoisting machines 401 may also be provided, and the two first hoisting machines 401 respectively control the movement of the two first traction ropes 402 . In addition, a first travel switch 208 and a first stop 209 may be provided on the supporting column, and a second travel switch 210 and a second stop 211 may be provided on the fixed platform 200 . When the guardrail assembly 300 rotates upwards to the retracted state, the guardrail assembly 300 abuts against the first block 209, and at the same time the first travel switch 208 works to control the first winch 401 to stop working, when the guardrail assembly 300 rotates downward to the working state , the guardrail assembly 300 abuts against the second block 211, and at the same time the second travel switch 210 works to control the first winch 401 to stop working, thereby preventing the guardrail assembly 300 from continuing to rotate and causing damage. It can be understood that, when the guardrail assembly 300 is relatively light, the guardrail assembly 300 can also be manually rotated without setting the overturn control mechanism 400 .

In some embodiments of the present invention, as shown in FIG. 10 and FIG. 11, a locking structure is provided between the fixed platform 200 and the guardrail assembly 300, and the locking structure is used for locking when the guardrail assembly 300 is in a folded state. Guardrail assembly 300 . Specifically, the locking structure may include a locking pin 212 slidably arranged on the fixed platform 200 and a pin hole provided on the guardrail assembly 300. When the guardrail assembly 300 is in a folded state, the locking pin 212 is just aligned with the pin hole. , and then insert the locking pin 212 into the locking hole to keep the guardrail assembly 300 in the folded state, so as to prevent the guardrail assembly 300 from turning randomly and causing safety accidents. It should be noted that the locking structure can also be other structures, for example, the locking bolt 212 can also be installed on the guardrail assembly 300 , and the bolt hole can be installed on the fixed platform 200 . In addition, the lock pin 212 can also be replaced with a lock bolt, and correspondingly, the pin hole can be replaced with a threaded hole.

In some embodiments of the present invention, as shown in Fig. 5, Fig. 6, Fig. 11 and Fig. 12, the side rail 301 includes a first rail 303 and a second rail 304, and the first rail 303 is mounted on a fixed platform in rotation around a horizontal axis 200, the second column 304 can be slidably installed on the first column 303, the sliding direction of the second column 304 is parallel to the extension direction of the side rail 301, and the connecting column 302 is located between the ends of the two second columns 304 away from the fixed platform 200 between. Specifically, the first column 303 may be provided with a chute, and the second column 304 may be provided with a guide rail matched with the chute. Of course, the arrangement may also be reversed. In this embodiment, the first column 303 and the second column 304 can slide relative to each other along the extension direction of the side rail 301, so as to not only adjust the protective range of the guardrail assembly 300 according to the actual situation, for example, when the top of a large mechanical equipment needs to be assembled or When the scope of maintenance is large, the second column 304 can be slid out along the direction away from the fixed platform 200 . After the operation is completed, the second rail 304 can be slid and retracted in a direction close to the fixed platform 200 , so that the overall size of the guardrail assembly 300 is smaller and the space required to be occupied is smaller.

In some embodiments of the present invention, as shown in FIG. 5 to FIG. 9 , the multi-degree-of-freedom adjustable climbing work vehicle further includes a slide control mechanism 500, and the slide control mechanism 500 includes a second winch 501, a second traction rope 504 and a second traction rope 504. Three traction ropes 505, the second hoist 501 is arranged on the fixed platform 200, the second hoist 501 is provided with an output shaft 502, the output shaft 502 is coaxially provided with two winding wheels 503, and one end of the second traction rope 504 is wound in it On one winding wheel 503, the other end of the second traction rope 504 is connected to the second bar 304, and one end of the third traction rope 505 is wound on another winding wheel 503. The third traction rope 505 and the second traction rope 504 The winding direction is opposite, the end of the first column 303 away from the fixed platform 200 is provided with a first reversing wheel 506, and the other end of the third traction rope 505 is wound around the first reversing wheel 506 and then connected to the second column 304 close to the fixed platform 200; wherein, when the output shaft 502 rotates counterclockwise, the second traction rope 504 drives the second column 304 to slide towards the direction close to the fixed platform 200; when the output shaft 502 rotates clockwise, the third traction rope 505 drives the second The second column 304 slides away from the fixed platform 200 .

Specifically, the end of the second traction rope 504 away from the second hoist 501 is located on the side of the connection position between the second traction rope 504 and the second column 304 close to the fixed platform 200, and the end of the third traction rope 505 away from the second hoist 501 is wound around After passing the first reversing wheel 506 , it is located on the side away from the fixed platform 200 at the connection position between the third traction rope 505 and the second column 304 . When the second hoist 501 drives the output shaft 502 to rotate counterclockwise, the output shaft 502 drives the second traction rope 504 to be gradually wound up on the corresponding winding wheel 503, and the third traction rope 505 is pulled from the corresponding winding wheel 503 Gradually unfold. When the second hoist 501 drives the output shaft 502 to rotate clockwise, the output shaft 502 drives the third traction rope 505 to be gradually wound up on the corresponding winding wheel 503, and the second traction rope 504 is pulled from the corresponding winding wheel 503. Gradually unfold. And then the second winch 501 drives the output shaft 502 to rotate counterclockwise, so that the second traction rope 504 can drive the second column 304 to slide towards the direction close to the fixed platform 200, thereby realizing the retraction of the second column 304, and the second winch 501 drives the output When the shaft 502 rotates clockwise, the third traction rope 505 can drive the second column 304 to slide away from the fixed platform 200, thereby realizing the extension of the second column 304, which is easy to operate, saves time and effort, and even if the guardrail assembly 300 Turning to different positions can control the sliding of the second column 304, which has good practicability. In addition, since the two winding wheels 503 are coaxially arranged, it can be controlled by one second hoist 501 without having to set multiple The second winch 501 has a simpler structure and lower cost.

It should be noted that two second hoisting machines 501 may also be provided, and the two second hoisting machines 501 respectively control the movement of the second traction rope 504 and the third traction rope 505 . The end of the first column 303 away from the fixed platform 200 can be provided with a third travel switch 305, the end of the first column 303 near the fixed platform 200 can be provided with a fourth travel switch 306, and the end of the second column 304 can be provided near the fixed platform 200. There is a third block 307. When the second column 304 slides away from the fixed platform 200 until the guardrail assembly 300 is fully deployed, the third block 307 abuts against the first column 303, and at the same time the third travel switch 305 works to control the second column. The second hoist 501 stops working, and when the second column 304 slides toward the direction close to the fixed platform 200 until the guardrail assembly 300 is completely closed, the fourth travel switch 306 works to control the second hoist 501 to stop working, thereby preventing the second column 304 from Continue to slide and cause damage. It can be understood that when the second column 304 is relatively light, the second column 304 can also be manually slid directly without setting the sliding control mechanism 500 .

In some embodiments of the present invention, as shown in FIGS. 6 to 9 , one end of the first column 303 close to the fixed platform 200 is horizontally provided with a main rotating shaft 507 and two auxiliary rotating shafts 508 parallel to each other, and the two auxiliary rotating shafts 508 are located at The main rotating shaft 507 has different orientations in the circumferential direction, the main rotating shaft 507 is coaxially provided with a first main guiding wheel 509 and a second main guiding wheel 510, and the auxiliary rotating shaft 508 is coaxially provided with a first guiding guiding wheel 511 and a second guiding guiding wheel 512 , the first tutoring steering wheel 511 corresponds to the first main steering wheel 509 and a first gap is reserved between the two, and the second tutoring steering wheel 512 corresponds to the second main steering wheel 510 and a gap is reserved between the two. There is a second gap, the second traction rope 504 passes through the two first gaps in sequence, and the third traction rope 505 passes through the two second gaps in sequence.

Specifically, the included angle between the plane where the centerline of one auxiliary shaft 508 is coplanar with the centerline of the main shaft 507 and the plane where the centerline of the other auxiliary shaft 508 is coplanar with the centerline of the main shaft 507 can be It is approximately 90°. For example, when the guardrail assembly 300 is in the collapsed state as shown in FIG. ; When the guardrail assembly 300 is in the working state as shown in FIG. The first main steering wheel 509 can be located at the outer end of the main rotating shaft 507, and correspondingly, the first auxiliary steering wheel 511 can be located at the outer end of the auxiliary rotating shaft 508, and then the first auxiliary steering wheel 511 just corresponds to the first main steering wheel 509 And form the first gap, the second main steering wheel 510 can be positioned at the inner end of the main rotating shaft 507, correspondingly, the second guiding steering wheel 512 can be positioned at the inner end of the auxiliary rotating shaft 508, and then the second guiding steering wheel 512 just coincides with the second The main guide wheel 510 corresponds to and forms a second gap. The end of the first column 303 close to the fixed platform 200 may be provided with a second reversing wheel 513 .

And then when the guardrail assembly 300 is in the collapsed state as shown in Figure 8, the second traction rope 504 is wound around one of the first auxiliary guide wheels 511 and the first main guide wheel 509 in turn to connect the second column 304, and the third traction rope The rope 505 is wound around one of the second steering wheel 512 , the second main steering wheel 510 , the other second steering wheel 512 , the second steering wheel 513 and the first steering wheel 506 in turn, and then connects to the second column 304 . When the guardrail assembly 300 was in the working state as shown in Figure 9, the second traction rope 504 was wound around the first main guide wheel 509 and then connected to the second column 304, and the third traction rope 505 was wound around the second main guide wheel 510, One of the second guiding steering wheel 512 , the second steering wheel 513 and the first steering wheel 506 are connected to the second column 304 behind.

That is to say, no matter what state the guardrail assembly 300 rotates to, the second traction rope 504 and the third traction rope 505 are guided and tensioned by the guide wheels, so that the second traction rope 504 and the third traction rope 505 control the second traction rope 504 and the third traction rope 505 The sliding effect of the second column 304 is better. In addition, the main rotating shaft 507 and the auxiliary rotating shaft 508 are provided with two guide wheels coaxially, which can guide and tension the second traction rope 504 and the third traction rope 505 synchronously, and the structure is simpler.

In some embodiments of the present invention, as shown in FIG. 13 , the fixed platform 200 is provided with a movable adjustable pedal 201 , and the pedal 201 can be located on one side of the fixed platform 200 or accommodated in the fixed platform 200 during the movable adjustment process. When it is necessary to assemble or repair the top of large mechanical equipment, the pedal 201 can be moved to extend out of the side of the fixed platform 200 close to the guardrail assembly 300, so that not only is it convenient for the staff to go up and down the top of the large mechanical equipment, the staff can also directly Stepping on the pedal 201 to carry out operations, the operations are more convenient and the safety is better. After the operation is completed, the pedal 201 can be retracted onto the fixed platform 200 .

In some embodiments of the present invention, as shown in FIG. 13 , the pedal 201 includes a plurality of pedal units 202 arranged side by side, the pedal unit 202 is slidably installed on the fixed platform 200, and the sliding of the pedal unit 202 facilitates the vertical movement of the multiple pedal units 202. layout direction. Specifically, the fixed platform 200 may be provided with a storage cavity 213, and the storage cavity 213 is provided with a sliding groove or a guide rail along the sliding direction of the pedal unit 202, and the pedal unit 202 is slidably installed on the sliding groove or the guide rail. By sliding the pedal unit 202 , the pedal unit 202 can be extended out of one side of the fixed platform 200 or retracted into the storage cavity 213 of the fixed platform 200 , which is convenient to operate and saves time and effort. The accommodating cavity 213 is provided to prevent the pedal unit 202 from being exposed and being damaged.

It should be noted that the pedal 201 may also be of an integral structure. The pedal 201 can also have other movable modes. For example, it can be rotatably installed on the fixed platform 200 . During the rotation, it can be extended to one side of the fixed platform 200 or retracted to the fixed platform 200 . In addition, the fixed platform 200 may not be provided with the receiving cavity 213 , and when the pedal 201 is stored on the fixed platform 200 , the pedal 201 may be directly located above or below the fixed platform 200 .

In some embodiments of the present invention, as shown in FIG. 13 , the pedal unit 202 is provided with a rack 203 along its sliding direction, and the fixed platform 200 is rotatably installed with a drive shaft 204 , and the drive shaft 204 extends along the arrangement direction of the pedal unit 202 , the transmission shaft 204 is provided with a gear 205 engaging with the rack 203 corresponding to each pedal unit 202 . Rotating the transmission shaft 204, the transmission shaft 204 can drive all the pedal units 202 to slide synchronously through the cooperation of the gear 205 and the rack 203. The structure is simple, the operation is convenient, and time and effort are saved. It should be noted that the transmission shaft 204 can be connected with a reduction motor 206 and the rotation is controlled by the reduction motor 206 , of course, the transmission shaft 204 can also be manually rotated. In addition, it is also possible to manually slide each pedal unit 202 individually. The fixed platform 200 can be provided with the fifth travel switch 214, when the geared motor 206 controls the pedal unit 202 to stretch out the fixed platform 200, the fifth travel switch 214 works and controls the geared motor 206 to stop running, and then the pedal unit 202 can be prevented from continuing to slide. cause damage.

In some embodiments of the present invention, as shown in FIG. 4 and FIG. 5 , the fixed platform 200 is provided with a control box 600 for controlling the operation of the first hoist 401 , the second hoist 501 and the geared motor 206 . The operation of the first winch 401, the second winch 501 and the reduction motor 206 can be controlled by operating the buttons on the control box 600, which is convenient to operate, saves time and effort, and has a higher degree of automation.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and within the scope of knowledge of those of ordinary skill in the art, various modifications can be made without departing from the spirit of the present invention. Variety.

Claims (10)

1. A multi-degree-of-freedom adjustable climbing work vehicle, characterized in that it comprises: walking mechanism; a fixed platform, which can be adjusted up and down on the walking mechanism; The guardrail assembly is mounted on the fixed platform in a rotationally adjustable manner, and the guardrail assembly has at least a retracted state and a working state during the rotational adjustment process; Wherein, in the folded state, the guardrail assembly is located above the fixed platform; In the working state, the guardrail assembly protrudes from one side of the fixed platform, so as to protect the staff when they are working. 2. The multi-degree-of-freedom adjustable climbing work vehicle according to claim 1, wherein the guardrail assembly comprises: Two side rails arranged side by side, one end of the two side rails is installed on the fixed platform by rotating around the horizontal axis; The connecting column is arranged between the ends of the two side columns away from the fixed platform; wherein, In the folded state, the side rail extends vertically, and the connecting rail is located at the top of the side rail; In the working state, the side rails extend laterally. 3. The climbing operation vehicle with multi-degree-of-freedom adjustment according to claim 2, characterized in that, the climbing operation vehicle with multi-degree-of-freedom adjustment also includes a turning control mechanism, and the turning control mechanism includes: The first winch is located on the fixed platform; A first traction rope, one end of which is wound on the first winch, and the other end is connected to the guardrail assembly; Wherein, in the folded state, the center of gravity of the guardrail assembly is located on one side of the vertical plane where the horizontal axis is located, so that the guardrail assembly has a tendency to rotate downward; In the working state, the first winch can drive the guardrail assembly to rotate upwards through the first traction rope. 4. The multi-degree-of-freedom adjustable climbing work vehicle according to claim 2 or 3, wherein the side rails include: The first column is rotatably installed on the fixed platform around the horizontal axis; The second column is installed on the first column in a sliding and adjustable manner, the sliding direction of the second column is parallel to the extension direction of the side column, and the connecting column is arranged on two of the second columns away from the fixed between one end of the platform. 5. The climbing work vehicle with multi-degree-of-freedom adjustment according to claim 4, characterized in that, the multi-degree-of-freedom adjustable climbing work vehicle also includes a sliding control mechanism, and the sliding control mechanism includes: The second winch is located on the fixed platform, the second winch is provided with an output shaft, and the output shaft is coaxially provided with two winding wheels; A second traction rope, one end of which is wound on one of the winding wheels, and the other end is connected to the second column; The third traction rope, one end of which is wound on the other said winding wheel, the winding direction of the third traction rope is opposite to that of the second traction rope, and the first column is far away from the end of the fixed platform A first reversing wheel is provided, and the other end of the third traction rope is wound around the first reversing wheel and then connected to one end of the second column close to the fixed platform; Wherein, when the output shaft rotates counterclockwise, the second traction rope drives the second column to slide toward the direction close to the fixed platform; When the output shaft rotates clockwise, the third traction rope drives the second rail to slide away from the fixed platform. 6. The climbing operation vehicle with multi-degree-of-freedom adjustment according to claim 5, characterized in that, one end of the first column close to the fixed platform is horizontally provided with a main shaft and two auxiliary shafts parallel to each other, two The auxiliary rotating shaft is located at different positions in the circumferential direction of the main rotating shaft, the main rotating shaft is coaxially provided with a first main steering wheel and a second main guiding wheel, and the auxiliary rotating shaft is coaxially provided with a first auxiliary steering wheel and a second steering wheel. Two auxiliary steering wheels, the first auxiliary steering wheel corresponds to the first main steering wheel and a first gap is reserved between the two, the second auxiliary steering wheel corresponds to the second main steering wheel Correspondingly, a second gap is reserved between the two, the second traction rope passes through the two first gaps in sequence, and the third traction rope passes through the two second gaps in sequence. 7. The multi-degree-of-freedom adjustable climbing work vehicle according to any one of claims 1 to 3, characterized in that, the fixed platform is provided with a movable adjustable pedal, and the pedal can be adjusted during the movable adjustment Located on one side of the fixed platform or accommodated in the fixed platform. 8. The climbing operation vehicle with multi-degree-of-freedom adjustment according to claim 7, wherein the pedals include a plurality of pedal units arranged side by side, the pedal units are slidably installed on the fixed platform, and the pedal units The sliding convenience is perpendicular to the arrangement direction of the plurality of pedal units. 9. The climbing work vehicle with multi-degree-of-freedom adjustment according to claim 8, characterized in that, the pedal unit is provided with a rack along its sliding direction, and the fixed platform is rotatably mounted with a transmission shaft, and the transmission shaft is mounted along the The arrangement direction of the pedal units extends, and the transmission shaft is provided with a gear meshing with the rack corresponding to each of the pedal units. 10. The multi-degree-of-freedom adjustable climbing work vehicle according to any one of claims 1 to 3, wherein the traveling mechanism comprises: The base is provided with casters or crawlers; The lifting structure is arranged on the base, and the fixed platform is connected to the top of the lifting structure; the first guide frame is arranged on the base; The second guide frame is vertically slidably installed on the inner side of the first guide frame, and the fixed platform is vertically slidably installed on the inner side of the second guide frame.

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