CN107500172B - Cam clamping type lifting device - Google Patents
Cam clamping type lifting device Download PDFInfo
- Publication number
- CN107500172B CN107500172B CN201710718730.9A CN201710718730A CN107500172B CN 107500172 B CN107500172 B CN 107500172B CN 201710718730 A CN201710718730 A CN 201710718730A CN 107500172 B CN107500172 B CN 107500172B
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- China
- Prior art keywords
- cam
- driving wheel
- clamping arms
- clamping
- cam mechanism
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- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/006—Power actuated devices operating on ropes, cables, or chains for hauling in a mainly horizontal direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/26—Other details, e.g. housings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to cam clamping type hoisting equipment which comprises a driving wheel, a plurality of clamping arms, a driving wheel, a cam mechanism, a traction rope, a main shaft and the clamping arms, wherein the clamping arms are in a Z-shaped structure, the clamping arms are arranged on one side face of the driving wheel, one ends of the clamping arms can be contacted with the traction rope arranged on the driving wheel, the other ends of the clamping arms are provided with the driving wheel, the cam mechanism is sleeved on the main shaft, the driving wheel moves along the contour surface of the cam mechanism in the process that the driving wheel drives the clamping arms to rotate, and the clamping arms are driven to rotate around an axis vertical to the clamping arms according to different contact positions of the driving wheel and the cam mechanism, so that the clamping and loosening processes of the clamping arms on the traction rope are realized. The device can effectively improve the working efficiency, is applicable to various occasions, has strong adaptability, simple structure, and is convenient to transport, install and use and convenient to carry.
Description
Technical Field
The invention relates to the technical field of portable hoisting equipment, in particular to cam clamping type hoisting equipment.
Background
The existing portable lifting and hoisting equipment mainly comprises pulleys (groups), chain blocks, miniature electric blocks and the like. The pulley block achieves the purposes of changing the acting force direction and saving labor by increasing the stroke; the fixed pulley of chain block as upgrade edition has inherited some advantages of fixed pulley completely, and when the chain block upwards promoted the heavy object, clockwise drag manual chain, hand chain wheel rotation, anticlockwise drag manual chain when descending, the braking seat separates with the brake block, and the ratchet is static under the effect of pawl, and five tooth long axles drive jack-up sprocket reverse direction operation to steadily descend the heavy object. The chain block generally adopts a ratchet friction plate type one-way brake, and can automatically brake under load, and a pawl is meshed with a ratchet under the action of a spring, so that the brake can safely work; the miniature electric hoist is also called as civil electric hoist, and is generally divided into fixed type and running type, and is applicable to various occasions, can lift goods below 1000 kg, is especially applicable to lifting heavy articles from under building in high-rise building, and its basic principle is that a reel is driven by a conical motor, and a steel wire rope is rolled on the reel to lift the articles. By analysing these portable lifting hoisting devices the following problems can be found: the weight of the water purifier is too heavy, and the water purifier is laborious to use; the travel distance of the device is limited; the installation conditions are harsh, and the later maintenance is troublesome; the applicable environment and occasion are limited and the working efficiency is not high.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides cam clamping type lifting equipment which has the characteristics of multiple purposes, portability, detachability and the like.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a cam clamping formula lifting device, includes the drive wheel, a plurality of clamp arms, action wheel, cam mechanism, haulage rope, main shaft, wherein:
the driving wheel is sleeved on the main shaft, and an arc-shaped groove is formed in the circumferential surface of the driving wheel and used for installing a traction rope; the clamping arms are of a Z-shaped structure, one ends of the clamping arms are arranged on one side face of the driving wheel, one ends of the clamping arms can be in contact with a traction rope arranged on the driving wheel, the other ends of the clamping arms are provided with driving wheels, the cam mechanism is sleeved on the main shaft, the driving wheels move along the outline face of the cam mechanism in the process that the driving wheel drives the clamping arms to rotate, and the clamping arms are driven to rotate around the axis perpendicular to the clamping arms according to the difference of contact positions of the driving wheels and the cam mechanism, so that the clamping and loosening processes of the clamping arms on the traction rope are realized.
Further, the cam clamping type hoisting device further comprises a shell, the main shaft is arranged on the shell, two ends of the main shaft are respectively provided with a bearing to be matched with the shell, the cam mechanism is connected with the main shaft through two bearings, a positioning pin and a fastening stud are arranged between the shell and the cam mechanism, the positioning pin is used for realizing positioning of the cam mechanism, and the fastening stud is used for adjusting the distance between the cam mechanism and the shell so as to adapt to traction ropes of different specifications or adjusting the clamping force of the clamping arm on the traction ropes. The cam mechanism is fixed on the shell under the action of the positioning pin and does not rotate along with the rotation of the main shaft.
The cam mechanism consists of a cam and a sleeve, and the side surface of the cam mechanism is provided with arc transition. The arcuate transition facilitates better contact between the drive wheel and the cam mechanism after adjustment of the position of the cam mechanism.
A plurality of supporting seats are arranged on one side face of the driving wheel, the number of the supporting seats is equal to that of the clamping arms, and the supporting seats are connected with the clamping arms in a clearance fit mode, so that the clamping arms can rotate around the axes perpendicular to the clamping arms.
Preferably, the driving wheel is fixed on the clamping arm by a pin.
Preferably, the traction rope is a steel wire rope or a rope with a fixed shape, wherein the fixed shape refers to the shape and the size of the cross section of the rope are not changed along the length direction of the rope.
Preferably, the driving wheel is a rolling bearing, the inner ring of which is fixed on the clamping arm by a pin, and the outer ring of which can move along the contour surface of the cam mechanism. The rolling bearing has simple structure and convenient installation, can bear larger radial force and meets the requirement of the driving wheel in the equipment.
Preferably, a key connection or a pin connection is adopted between the driving wheel and the main shaft. The key connection is realized by the key to realize the circumferential fixation between the shaft and the part on the shaft so as to transmit the movement and the torque; the pin connection realizes the functions of positioning, power transmission, torque transmission and the like through the pin, and is suitable for the detachable connection between the driving wheel and the main shaft.
Further, the device also comprises a hook, wherein the hook is arranged at the top of the shell. The lifting device is convenient to install, so that the lifting device is more convenient and concise to use, and is beneficial to expanding application occasions and range.
Further, the device also comprises a guide wheel. The guide wheel is used for changing the direction of the traction rope, so that the application range and occasion of the hoisting equipment can be further expanded.
Compared with the prior art, the cam clamping type lifting device provided by the invention has the following beneficial effects:
1. the driving wheel in the device does not limit the rotation direction, so that forward rotation/reverse rotation can be easily realized, the load can be lowered while the lifting process is carried out, and the working efficiency can be effectively improved.
2. Because can be convenient for this equipment installation haulage rope, in the use, equipment can not receive the restriction of distance, simultaneously, can change the haulage rope at any time according to operation environment and service environment, specification, size, length etc. can change at any time, consequently are applicable to multiple occasion, strong adaptability.
3. The device has the advantages of simple structure, convenient transportation, installation and use and convenient carrying, and meanwhile, as the device is detachable, the traction rope and the power source can be respectively disassembled and carried, thereby reducing the labor intensity of workers.
4. Because the device relates to the compaction and release processes of the ropes, the device can also be used for occasions where the ropes are fixed and the lifting device is required to ascend and descend along the ropes.
5. The equipment has the most proper effect when being temporarily used, such as engineering maintenance, rescue, high-altitude operation, field construction and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of a cam clamping type lifting device according to an embodiment of the present invention after a casing is removed.
Fig. 2 is a left side view of the cam clamping type lifting device according to the embodiment of the invention after the shell is removed.
Fig. 3 is a top view of the cam clamping type lifting device according to the embodiment of the invention after the shell is removed.
Fig. 4 is an isometric view of a cam clamped lifting device according to an embodiment of the present invention after a housing is removed.
Fig. 5 is a schematic diagram of a supporting seat on a cam clamping type lifting device provided by the embodiment of the invention, which is installed on a driving wheel.
Fig. 6 is a front view, a left view and a top view of a clamping arm on a cam clamping type lifting device according to an embodiment of the present invention.
Fig. 7 is a front view, a left view and a top view of a cam mechanism on a cam clamping type lifting device according to an embodiment of the present invention.
Fig. 8 is a front view and a left view of a driving wheel on a cam clamping type lifting device according to an embodiment of the present invention.
Fig. 9 is an isometric view of a cam clamped hoisting apparatus according to an embodiment of the invention after the housing and hook are assembled.
Fig. 10 is a front view of a cam clamping type lifting device with guide wheels according to an embodiment of the present invention.
Description of the drawings
The device comprises a driving wheel 1, a clamping arm 2, a driving wheel 3, a supporting seat 4, a pin 5, a cam mechanism 6, a traction rope 7, a locating pin 8, a fastening stud 9, a main shaft 10, a shell bearing 11, a shell 12, a cam mechanism bearing 13, a hook 14 and a guide wheel 15.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
Example 1
Fig. 1 to 3 are a front view, a left view and a top view of a cam clamping type lifting device provided by the embodiment of the invention after a shell is removed, so that the internal structure of the cam clamping type lifting device is convenient to observe, and the cam clamping type lifting device specifically comprises a driving wheel 1, a clamping arm 2, a driving wheel 3, a supporting seat 4, a pin 5, a cam mechanism 6, a traction rope 7, a positioning pin 8, a fastening stud 9, a main shaft 10, a shell bearing 11, a shell 12, a cam mechanism bearing 13, a hook 14 and a guide wheel 15.
The driving wheel 1 is installed on the main shaft 10, as shown in fig. 8, an arc-shaped groove is formed in the circumferential surface of the driving wheel 1 and used for accommodating a traction rope 7, a plurality of supporting seats 4 are arranged on one side surface of the driving wheel 1 at equal intervals, as shown in fig. 5, the supporting seats 4 can be connected with the driving wheel 1 by welding, the number of the supporting seats 4 is the same as that of the clamping arms 2, and the supporting seats 4 and the clamping arms 2 are in clearance fit through pins 5, so that the clamping arms 2 can rotate around an axis perpendicular to the clamping arms 2.
As shown in fig. 6, for three views of the clamping arm 2, the clamping arm 2 has a zigzag structure, and an arc-shaped groove is disposed on a surface of the clamping arm 2 contacting with the driving wheel 1, so as to be matched with the driving wheel 1, and clamp a traction rope 7 disposed in the arc-shaped groove of the driving wheel 1. The other end of the clamping arm 2 is provided with a driving wheel 3, the driving wheel 3 moves along the contour surface of the cam mechanism 6 in the rotation process of the driving wheel 1, and the clamping arm 2 is driven to rotate according to the difference of the contact positions with the cam mechanism 6, so that the clamping and loosening processes of the clamping arm 2 on the traction rope 7 are realized.
As shown in fig. 7, the cam mechanism 6 includes a cam and a sleeve, the side surface of the sleeve has arc transition, the cam mechanism 6 is mounted on a main shaft 10, as shown in fig. 4, the main shaft 10 is mounted on a housing 12, and two ends of the main shaft 10 are respectively provided with a bearing 11 matched with the housing 12.
A positioning pin 8 and a fastening stud 9 are arranged between the shell 12 and the cam mechanism 6, and the positioning pin 8 is used for realizing positioning of the cam mechanism 6, so that the cam mechanism 6 is conveniently fixed on the shell and does not rotate along with the rotation of the main shaft 10; the fastening stud 9 is used for adjusting the distance between the cam mechanism 6 and the shell 12 so as to adapt to traction ropes 7 with different specifications or adjust the clamping force of the clamping arm 2 on the traction ropes 7; the clamping arms 2 can be completely loosened by releasing the elastic fixing studs 9, so that the traction ropes 7 on the driving wheel 1 can be conveniently arranged and removed, the traction ropes 7 can be clamped by tightening the fixing studs 9, and the function of controlling the clamping force of the clamping arms 2 to be small/large according to the tightness/tightness of the elastic fixing studs 9 is realized.
As shown in fig. 4, two bearings 13 are disposed between the cam mechanism 6 and the spindle 10, so that the rotation of the spindle 10 does not affect the cam mechanism 6, and the movement of the two are convenient to separate.
As shown in fig. 4, the driving wheel 3 is fixed to the clamping arm 2 by a pin.
Preferably, in this embodiment, the traction rope 7 is a steel wire rope.
Preferably, in this embodiment, the driving wheel 3 adopts a rolling bearing, an inner ring of which is fixed on the clamping arm 2 through a pin, and an outer ring of which can move along the contour of the cam mechanism 6, as shown in fig. 1, the rolling bearing has a simple structure and is convenient to install, and can bear larger radial force, so as to meet the requirement of the driving wheel 3 in the device.
Preferably, in this embodiment, a key connection is adopted between the driving wheel 1 and the main shaft 10, and the key connection is realized by a key to realize circumferential fixation between a shaft and a part on the shaft so as to transmit motion and torque, so that the detachable connection between the driving wheel 1 and the main shaft 10 in the device is suitable.
Example 2
The main difference between this embodiment and embodiment 1 is that in this embodiment, the hanger 14 is further included, as shown in fig. 9, and the hanger 14 is disposed at the top of the housing 12, so that the installation of the hoisting device is facilitated, so that the use of the hoisting device is more convenient and concise, and the application occasion and range are facilitated to be enlarged.
Example 3
The main difference between this embodiment and the above embodiment 2 is that in this embodiment, the present embodiment further includes a guiding wheel 15, as shown in fig. 10, after the guiding wheel 15 is added, the direction of the traction rope can be changed arbitrarily, so as to greatly expand the application range and occasion of the hoisting device.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention.
Claims (10)
1. Cam clamping type lifting device, which is characterized by comprising a driving wheel (1), a plurality of clamping arms (2), a driving wheel (3), a cam mechanism (6), a traction rope (7) and a main shaft (10), wherein:
the driving wheel (1) is sleeved on the main shaft (10), and an arc-shaped groove is formed in the circumferential surface of the driving wheel (1) and used for installing the traction rope (7); the clamping arms (2) are of a Z-shaped structure, the clamping arms (2) are arranged on one side face of the driving wheel (1), one ends of the clamping arms (2) can be in contact with a traction rope (7) arranged on the driving wheel (1), arc-shaped grooves are formed in the faces, which are in contact with the driving wheel (1), of the clamping arms (2), driving wheels (3) are arranged on the other ends of the clamping arms, the cam mechanisms (6) are sleeved on the main shaft (10), the driving wheels (1) drive the clamping arms (2) to rotate, the driving wheels (3) move along the outline face of the cam mechanisms (6), and the clamping arms (2) are driven to rotate back and forth around the axes perpendicular to the clamping arms (2) according to the difference of the contact positions of the driving wheels (3) and the cam mechanisms (6), so that the clamping and loosening processes of the clamping arms (2) to the traction rope (7) are achieved.
2. The cam clamping type lifting device according to claim 1, further comprising a housing (12), wherein the main shaft (10) is mounted on the housing (12), two ends of the main shaft (10) are respectively provided with a bearing to be matched with the housing (12), the cam mechanism (6) is connected with the main shaft (10) through two bearings, a positioning pin (8) and a fastening stud (9) are arranged between the housing (12) and the cam mechanism (6), the positioning pin (8) is used for realizing positioning of the cam mechanism (6), and the fastening stud (9) is used for adjusting the distance between the cam mechanism (6) and the housing (12) so as to adapt to traction ropes (7) of different specifications or adjusting the clamping force of the clamping arm (2) on the traction ropes (7).
3. Cam-clamped hoisting device according to claim 1, characterized in that the cam mechanism (6) consists of a cam and a sleeve, the side of which has an arc transition.
4. Cam-clamped hoisting device according to claim 1, characterized in that a plurality of support seats (4) are arranged on one side of the drive wheel (1), the number of support seats (4) is equal to the number of clamping arms (2), and the support seats (4) are connected with the clamping arms (2) by means of a clearance fit.
5. A cam-clamped hoisting device according to claim 1, characterized in that the driving wheel (3) is fixed to the clamping arm (2) by means of a pin (5).
6. A cam-clamped hoisting device as claimed in claim 1, characterized in that the haulage rope (7) is a wire rope.
7. A cam-clamped hoisting device according to claim 1, characterized in that the driving wheel (3) is a rolling bearing, the inner ring of which is fixed to the clamping arm (2) by means of a pin (5), and the outer ring of which is movable along the contour of the cam mechanism (6).
8. A cam-clamped hoisting device according to claim 1, characterized in that a key or pin connection is used between the drive wheel (1) and the main shaft (10).
9. A cam-clamped lifting device according to claim 2, further comprising a hook (14), said hook (14) being arranged on top of the housing (12).
10. A cam-clamped hoisting device as claimed in claim 1, characterized by further comprising a guiding wheel (15), the guiding wheel (15) being adapted to alter the direction of the haulage rope (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718730.9A CN107500172B (en) | 2017-08-21 | 2017-08-21 | Cam clamping type lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718730.9A CN107500172B (en) | 2017-08-21 | 2017-08-21 | Cam clamping type lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107500172A CN107500172A (en) | 2017-12-22 |
| CN107500172B true CN107500172B (en) | 2023-10-20 |
Family
ID=60691283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710718730.9A Active CN107500172B (en) | 2017-08-21 | 2017-08-21 | Cam clamping type lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107500172B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163747B (en) * | 2022-07-05 | 2024-06-14 | 山东英维思智能装备有限公司 | Novel rope clamping device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5722640A (en) * | 1996-09-25 | 1998-03-03 | Skyba; Helmut K. | Winch and improved sheave |
| DE102012110782A1 (en) * | 2012-11-09 | 2014-05-15 | Technische Universität Dresden | Clamping hoist structure used in e.g. small goods area, for moving or holding loads, has clamping jaws that are mounted in axial direction on driving disc portion and are displaced against force action of rope perpendicular to axis |
| WO2015085361A1 (en) * | 2013-12-09 | 2015-06-18 | Winnebago Motorhomes Pty Ltd | Drive mechanism |
| CN205798984U (en) * | 2016-05-27 | 2016-12-14 | 李楠 | A kind of cam-type clamp system of machining |
| CN207330217U (en) * | 2017-08-21 | 2018-05-08 | 四川百平机电设备有限公司 | A kind of Cam clamping type hanging device |
-
2017
- 2017-08-21 CN CN201710718730.9A patent/CN107500172B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5722640A (en) * | 1996-09-25 | 1998-03-03 | Skyba; Helmut K. | Winch and improved sheave |
| DE102012110782A1 (en) * | 2012-11-09 | 2014-05-15 | Technische Universität Dresden | Clamping hoist structure used in e.g. small goods area, for moving or holding loads, has clamping jaws that are mounted in axial direction on driving disc portion and are displaced against force action of rope perpendicular to axis |
| WO2015085361A1 (en) * | 2013-12-09 | 2015-06-18 | Winnebago Motorhomes Pty Ltd | Drive mechanism |
| CN205798984U (en) * | 2016-05-27 | 2016-12-14 | 李楠 | A kind of cam-type clamp system of machining |
| CN207330217U (en) * | 2017-08-21 | 2018-05-08 | 四川百平机电设备有限公司 | A kind of Cam clamping type hanging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107500172A (en) | 2017-12-22 |
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