CN110658015A - Intelligent movement online sampling and sample making vehicle - Google Patents

Abstract

The present invention provides an intelligent mobile online sample preparation vehicle, comprising: a vehicle body, a storage hopper, an automatic feeding and feeding device, a conveying mechanism, a sample material guide groove, a cutting and sampling device, a sample discarding conveying mechanism, and a controller; A sample collection and conveying device electrically connected to the controller; the sample collection and conveying device includes: a first sample conveying mechanism arranged on one side of the discarded sample conveying device, and a second sample conveying mechanism arranged obliquely at the end of the first sample conveying mechanism in the conveying direction The mechanism is a lifting mechanism arranged at the end of the second sample conveying mechanism in the conveying direction, and also includes a secondary sample collector connected to the opposite position of the conveying direction of the first sample conveying mechanism. The invention can realize automatic sampling, the prepared samples are uniform, the error is small, the sampling quality is high, and the work intensity of operators is reduced.

Description

An intelligent mobile online sampling vehicle

technical field

The invention belongs to the field of sample preparation machinery, in particular to an intelligent mobile online sample preparation vehicle.

Background technique

At present, due to the increase of import and export goods in ports, a large number of bulk products, especially mineral ores, need to be sampled and inspected. Traditional sampling instruments cannot meet the sampling requirements due to small sampling volume, low sampling efficiency and large sample errors.

CN109612778A discloses a mobile sampling vehicle and sampling method, including a vehicle body, a bracket and a sampling device arranged on the bracket. The sampling device includes a feeding mechanism arranged on the vehicle body, and a storage hopper is arranged on one side of the top of the feeding mechanism , There is a conveying mechanism under the storage hopper, a diversion groove is arranged below the conveying end of the conveying mechanism, a rotary sampling mechanism is arranged in the diversion groove, a sample discarding conveying mechanism is arranged at the bottom of the diversion groove, and a rotating sampling mechanism is arranged at the bottom of the diversion groove. There is a sample collector at the bottom, and also includes a PLC controller. Although this sampling car has improved work efficiency and good continuity, it can walk freely and take samples at any location and area, but the samples collected by the sample collector exist. In the case of uneven sampling, the samples prepared in this way have limitations and large errors, which cannot represent the quality of the entire sample, and still cannot meet the sampling requirements.

SUMMARY OF THE INVENTION

Aiming at the above-mentioned technical problem of uneven sampling and large errors, the present invention proposes a method that can realize automatic sampling, the prepared samples are uniform, the error is small, the sampling quality is high, and the work intensity of operators is reduced.

In order to achieve the above object, the technical scheme adopted in the present invention is:

An intelligent mobile online sample preparation vehicle, comprising:

A car body, a cab is arranged on the car body, and a steering wheel that can be controlled by the cab is arranged at the bottom of the car body;

The storage hopper is installed on the car body and supported by the bracket, used to store the sample material, and the bottom is provided with a blanking port;

The automatic feeding and feeding device is located in front of the car body. The automatic feeding and feeding device has a feeding hopper. During the advancing process of the car body, the feeding hopper shovels the sample material from the sample stack and sends it to the storage hopper;

The conveying mechanism, located below the blanking port, is used to convey the sample materials dropped from the storage hopper;

The sample material guide groove is located at the end of the conveying mechanism in the conveying direction, and the bottom is provided with a material guide port for collecting the sample materials conveyed by the conveying mechanism;

The cutting and sampling device is located above the sample material guide groove, and a sampler is arranged on the cutting and sampling device, and the sampler can extend into the sample material collection groove and the sample material conveyed by the transversely reciprocating cutting part conveying mechanism;

The discarded sample conveying mechanism is located under the sample material guide groove. The sample material conveyed by the conveying mechanism enters the sample material guide groove. After the sample is collected by the sampler, the sample material not collected by the sampler enters the discarded sample conveying mechanism for output;

And the controller, the automatic feeding and feeding device, the conveying mechanism, the cutting and sampling device and the sample discarding and conveying mechanism are all electrically connected with the controller, and the controller can open and close the automatic feeding and feeding device, the conveying mechanism, the cutting and sampling device and the discarding and conveying in sequence. mechanism;

Also includes a sample collection and delivery device electrically connected to the controller;

The sample collection and conveying device includes: a first sample conveying mechanism disposed on one side of the discarded sample conveying device and capable of parallel, discrete and conveying the samples cut and removed by the sampler, and inclined at the end of the first sample conveying mechanism in the conveying direction for The second sample conveying mechanism, which further discretizes and conveys the sample sent by the first sample conveying mechanism, is arranged at the end of the conveying direction of the second sample conveying mechanism, which can move the sample conveyed by the second sample conveying mechanism vertically into the storage. The lifting mechanism for recirculating sampling in the hopper also includes a secondary sample collector connected to the opposite position of the conveying direction of the first sample conveying mechanism. When the cutting sampling device moves to the position of the secondary sample collector, the sampler cuts the removed sample Sent to the secondary sample collector for sample collection.

Preferably, the first sample conveying mechanism includes a first support disposed horizontally on the vehicle body, a first conveying unit disposed on the first support, and a first conveying unit disposed on both sides of the first conveying unit in the conveying direction and the first Baffle to which the bracket is attached.

Preferably, the first conveying unit includes first conveying rollers disposed at both ends of the first support in the length direction, and a first motor electrically connected to the controller for driving one of the first conveying rollers to rotate, between the first conveying rollers A drive belt is attached.

Preferably, the second sample conveying mechanism includes a second support arranged obliquely on the vehicle body, a second conveying unit disposed on the second support, and the height of one end of the second support close to the first sample conveying mechanism is lower than that close to the lift The height of one end of the mechanism also includes side baffles connected to the second bracket at both ends of the second conveying unit in the conveying direction, and an end baffle is also provided at one end of the second bracket close to the first sample conveying mechanism.

Preferably, the second conveying unit includes second conveying rollers disposed at both ends of the second support in the length direction, and a second motor electrically connected to the controller that can drive a second conveying roller to rotate, and further includes a second conveying roller disposed on the second support. Conveyor belt with spaced barriers between conveyor rollers.

Preferably, the included angle between the second bracket and the horizontal plane ranges from 30 degrees to 40 degrees.

Preferably, the lifting mechanism includes a vertically erected conveying support, and is slidably connected to the conveying support with a collection box for storing the samples conveyed by the second sample conveying mechanism, and further includes a driving collection box electrically connected with the controller to move longitudinally to The storage hopper is the driving unit for dumping the sample, and a limit switch is arranged at the bottom of the bracket, and the limit switch is electrically connected with the controller.

Preferably, the drive unit includes a hydraulic cylinder connected to the conveying support, a transverse support connected to the telescopic end of the hydraulic cylinder, a runner rotatably connected to both ends of the transverse support, and a runner that is fixed to the conveying support and the collection box and is connected to the runner. Connected connecting rope.

Preferably, the conveying support includes a vertical support part with a vertical slide, and an arc support part provided at the top of the vertical support part with an arc slide, the vertical slide is connected with the arc slide, and the collection Both sides of the box are provided with pulleys that are slidably connected with the vertical slideway and the arc slideway.

Preferably, the secondary sample collector includes a secondary sample collection box connected to the first bracket, and a collection bucket detachably connected to the secondary sample collection box.

Compared with the prior art, the advantages and positive effects of the present invention are:

The first sample conveying mechanism is used to uniformly and discretely sprinkle the samples cut and removed during the movement of the sampler onto the first sample conveying mechanism. During the sampling process of the sampler, a small part of the sample is sent to the auxiliary The sample collector is installed, and most of the samples are sent to the first sample conveying mechanism. During the conveying process, the first sample conveying mechanism is further dispersed due to the fluctuation of the transmission belt, so that the sample is more uniform, and the sample is in the first sample. After the sample conveying mechanism is evenly dispersed, it is further dispersed by the transmission belt on the second sample conveying mechanism and then conveyed to the lifting mechanism to further homogenize the sample and minimize the error. The lifting mechanism sends the homogenized sample material to the storage hopper for In the next cycle, the secondary sample collector accumulates samples during the cycle, and finally forms a sample sample, which has less error and is more accurate.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

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

Fig. 2 is the overall structure schematic diagram two of the present invention;

3 is a cross-sectional view of the present invention;

Fig. 4 is a partial enlarged view of part A in Fig. 1;

Fig. 5 is a partial enlarged view of part B in Fig. 1;

Fig. 6 is a partial enlarged view of part C in Fig. 1;

Fig. 7 is a partial enlarged view of part D in Fig. 2;

Fig. 8 is a partial enlarged view of part E in Fig. 3;

FIG. 9 is a partial enlarged view of part F in FIG. 3 .

Detailed ways

Hereinafter, the present invention will be specifically described through exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially combined in other embodiments without further recitation.

In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

The terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

An intelligent mobile online sample preparation vehicle, see details 1 to 9, including:

The vehicle body 1, the vehicle body 1 is provided with a cab 11, and the bottom of the vehicle body 1 is provided with a steering wheel 12 that can be controlled by the cab 11, and the vehicle body 1 is controlled by the cab 11 to move forward and backward, so as to realize the free running of the vehicle body 1 , you can stop at any place and area for sampling operation, set generator 9 and hydraulic station 10 on the vehicle body 1, and also add a casing as needed;

The storage hopper 2 is installed on the vehicle body 1 and supported by the bracket 21, and is used for storing the sample material. The material converges to a point and falls, and the bottom is provided with a blanking port 22. In order to prevent the sample material from adhering to the inner wall of the storage hopper 2, an oscillating motor 23 is set on the outside of the storage hopper 2. The upper sample material is shaken;

The automatic feeding and feeding device 3 is located in front of the car body 1. The automatic feeding and feeding device 3 has a feeding hopper 31. During the advancing process of the car body 1, the feeding hopper 31 shovels the sample material from the sample stack and sends it to the storage hopper 2. The specific structure In order to: include a base 32 connected with the vehicle body 1, a lifting arm 33 is hinged on the base 32, the lifting arm 33 is arranged in a herringbone shape, the lifting arm 33 is provided with two groups and a reinforcing column 34 is connected in the middle, and the other end of the lifting arm 33 is connected to the The reclaiming hopper 31 is hinged, the reclaiming hopper 31 has a discharge port 311, a hydraulic cylinder 35 is hinged between the reclaiming hopper 31 and the base 32, and a hydraulic cylinder 36 and a hydraulic cylinder 35 are also hinged between the lifting arm 33 and the base 32. , 36 are connected to the controller, the reclaiming hopper 31 is a square bucket, and the reclaiming hopper 31 is provided with a proximity switch, which is not shown in the figure. When the proximity switch senses that it is close to the storage hopper 2, the controller controls the hydraulic cylinders 35 and 36 to stop In operation, guide rails 312 are provided on both sides of the discharge port 311, and a discharge door 313 is slidably connected to the guide rail 312. The discharge door 313 is driven by the hydraulic cylinder 314 set on the reclaiming hopper 31, and also includes the weight set on the lifting arm 33 The sensor, the weight sensor is a load cell, which is not shown in the figure;

The conveying mechanism 4 is located below the blanking port 22 and is used for conveying the sample materials dropped from the storage hopper 2 . The conveying mechanism 4 includes a support frame 41 fixed to the support frame 21 , and two conveying pulleys 42 are rotatably connected at both ends of the support frame 41 . A plurality of support rollers 43 are arranged between the two conveyor pulleys 42. Specifically, a support vertical plate 44 is vertically fixed on the support frame 41. The support roller 43 is connected with the support vertical plate 44 through bearings, and the support roller 43 is inclined The middle support roller 43 is arranged in a herringbone shape towards the two ends of the conveyor pulleys 42, and a belt roller 45 is provided below the support roller 43 to be rotatably connected with the support frame 41. The rotational connections are all bearing connections. A belt 46 is connected between the pulley 42 , the belt idler 45 and the support idler 43 , and a trapezoidal conveying groove is formed in the middle of the conveying belt 46 by the support of the support idler 43 and the conveying pulley 42 to prevent the material from being transported from the belt 46 during the conveying process. The upper sprinkler also includes a conveying motor 47 that drives the conveying pulley 42 to rotate, and a sensor for detecting the rotational speed of the conveying pulley 42 is provided on one side of the conveying pulley 42, and the sensor is not shown in the figure;

The sample material guide groove 5, the sample material guide groove 5 runs up and down and is located at the end of the conveying mechanism 4 in the conveying direction, and a material guide port 51 is arranged at the bottom thereof for collecting the sample materials conveyed by the conveying mechanism 4;

The cutting and sampling device 6 is located above the sample material guide groove 5. The cutting and sampling device 6 is provided with a sampler 61. The sampler 61 is a herringbone hopper with an opening at the bottom. The sampler 61 can extend into the sample material collection groove 5. The horizontal reciprocating straight line intercepts part of the sample material conveyed by the conveying mechanism 4; it specifically includes: a connecting frame 62 on the vehicle body 1, a guide frame 63 on the connecting frame 62, and the guide frame 63 is perpendicular to the conveying direction of the conveying mechanism 4. Guide The two ends of the frame 63 are respectively provided with a rotating shaft 64, and a servo motor 65 is connected with the rotating shaft 64, and the servo motor 65 is connected with the controller. The transmission chain 67 is connected to the support plate 68 , the sampler 61 is connected to the bottom of the support plate 68 , and also includes a limiter arranged on the guide frame 63 for controlling the stroke of the sampler 61 . Not shown in the figure, the limiter is a limit switch, a camera is arranged on the rear side of the vehicle body 1, and a display is arranged in the cab 11, and the display is not shown in the figure, and the camera is connected to the display;

Abandoned sample conveying mechanism 7 is located below the sample material guide groove 5. The sample material conveyed by the conveying mechanism 4 enters the sample material guide groove 5. After the sample is collected by the sampler 61, the sample material that is not collected by the sampler 61 enters the abandoned sample conveyance. The mechanism 7 performs output; the sample discarding conveying mechanism 7 includes a material stopper bracket 71 fixedly connected with the vehicle body 1, and two rotating wheels 72 are rotatably connected at both ends of the material stopper bracket 71, and between the two rotating wheels 72 are connected with a discarded sample conveyance. Belt 73, on both sides of the sample discarding conveyor belt 73 is provided with sample discarding guide plates 74 fixed with the stopper bracket 71, the conveyor belt 73 is driven by a motor 75, and a rotating wheel 72 is provided on one side of the rotating wheel 72 for detecting Rotation speed sensor;

And the controller, the control can use the MCU controller or the PLC controller, the automatic feeding and feeding device 3, the conveying mechanism 4, the cutting and sampling device 6 and the sample discarding and conveying mechanism 7 are all electrically connected with the controller, and the controller can be sequentially Open and close the automatic feeding and feeding device 3, the conveying mechanism 4, the cutting and sampling device 6 and the sampling conveying mechanism 7;

It also includes a sample collection and delivery device 8 that is electrically connected to the controller; the sample collection and delivery device 8 includes: a first sample disposed on one side of the discarded sample delivery device 8 that can separate and transport the samples cut and removed by the sampler 61 in parallel. The sample conveying mechanism 81, which is arranged obliquely at the end of the first sample conveying mechanism 81 in the conveying direction, is used for further discrete and conveying the sample sent by the first sample conveying mechanism 81. The second sample conveying mechanism 82 is arranged at the second sample The end of the conveying mechanism 82 in the conveying direction can vertically move the sample conveyed by the second sample conveying mechanism 82 into the storage hopper 2 for recirculating sampling. The lifting mechanism 83 also includes a position opposite to the conveying direction of the first sample conveying mechanism 81 The connected secondary sample collector 84, when the cutting and sampling device 6 moves to the position of the secondary sample collector 84, the sample cut by the sampler 61 is sent to the secondary sample collector 84 for sample collection, and the samples are sequentially accumulated to form sample samples.

The first sample conveying mechanism 81 includes a first bracket 811 arranged horizontally on the vehicle body 1 , a first conveying unit 812 arranged on the first bracket 811 , and the first conveying unit 812 includes a first bracket 811 arranged in the longitudinal direction The first conveying rollers 8121 at both ends, and the first motor electrically connected to the controller to drive one of the first conveying rollers 8121 to rotate, the first motor is not shown in the figure, and a transmission belt is connected between the first conveying rollers 8121 8122; also includes baffles 813 arranged on both sides of the first conveying unit 812 in the conveying direction and connected to the first bracket 811.

The second sample conveying mechanism 82 includes a second bracket 821 inclined on the vehicle body 1, the second bracket is supported by the vertical bracket 8211, and the included angle between the second bracket 821 and the horizontal plane ranges from 30 degrees to 40 degrees, preferably 30 degrees, the reason why the second bracket 821 is set to be inclined is that the height of the first sample conveying mechanism 81 and the height of the mouth of the initial position of the collecting box 831 on the lifting mechanism 83 are restricted, so as to ensure that the second bracket 821 is in the first sample conveying position. Under the premise that the mechanism 81 is below the mechanism 81 and the collection box 831 is above the mouth of the collection box 831 at the initial position, the second bracket 821 can also be set to be horizontal, and the second conveying unit 822 provided on the second bracket 821, the second conveying unit 822 It includes second conveying rollers 8221 disposed at both ends of the second bracket 821 in the length direction, and a second motor electrically connected to the controller that can drive a second conveying roller to rotate 8221. The second motor is not shown in the figure because it is blocked. In addition, it also includes a conveyor belt 8222 with an interval blocking portion arranged between the second conveying rollers 8221; A bar-shaped protrusion with a vertical direction, and the spacer is not shown in the figure. The side baffles 823 connected to the second bracket 821 at both ends of the unit 822 in the conveying direction are also provided with end baffles 824 at one end of the second bracket 821 close to the first sample conveying mechanism 81 , and the end baffles 824 are set at a height that can be The spacer shall prevail, and the sample shall not be slipped out.

The lifting mechanism 83 includes a vertically erected conveying support 832. The conveying support 832 includes a vertical support part 8321 with a vertical slide 83211 and an arc support part 8322 with an arc slide 83221 provided at the top of the vertical support 8321. , the vertical support part 8321 is integrally connected with the arc-shaped support part 8322, the vertical slideway 83211 is connected with the arc-shaped slideway 83221, and is slidably connected with the conveying support 832 for storing the samples conveyed by the second sample conveying mechanism 82. The collection box 831, the two sides of the collection box 831 are provided with pulleys 833 slidably connected to the vertical slideway 83211 and the arc slideway 83221, and also includes a drive collection box 831 electrically connected to the controller to move longitudinally to the storage hopper 2 for dumping The driving unit 834 of the sample, the driving unit 834 includes a hydraulic cylinder 8341 connected with the conveying support 832, a transverse support 8342 connected with the telescopic end of the hydraulic cylinder 8341, a runner 8343 rotatably connected with both ends of the transverse support 8342, and a conveying support 832 and the collecting box 831 are fixed and connected with the connecting rope 8344 of the runner 8343; the bottom of the conveying bracket 832 is provided with a limit switch 835, and the limit switch 835 is electrically connected with the controller.

The auxiliary sample collector 84 includes a auxiliary sample collection box 841 connected with the first bracket 811 and a collection bucket 842 detachably connected with the auxiliary sample collection box 841. The auxiliary sample collection box 841 is a diverter, and the auxiliary sample collection box 841 is arranged far The end of the first holder 811 at one end of the second sample transport mechanism 82 .

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art who is familiar with the technical scope disclosed by the present invention can easily think of changes or replacements, which should cover within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (10)

1. An intelligent mobile online sample preparation vehicle, comprising: a vehicle body, a cab is arranged on the vehicle body, and a steering wheel that can be controlled by the cab is arranged at the bottom of the vehicle body; A storage hopper, mounted on the vehicle body and supported by a bracket, is used for storing sample materials, and the bottom of the storage hopper is provided with a blanking port; The automatic feeding and feeding device is located in front of the car body, and the automatic feeding and feeding device has a feeding hopper. During the advancing process of the car body, the feeding hopper shovels the sample material from the sample material pile and sends it to the storage hopper; The conveying mechanism, located below the material blanking port, is used for conveying the sample material dropped from the storage hopper; The sample material guide groove is located at the end of the conveying mechanism in the conveying direction, and the bottom is provided with a material guide port for collecting the sample materials conveyed by the conveying mechanism; The cutting and sampling device is located above the sample material guide groove, and a sampler is arranged on the cutting and sampling device, and the sampler can extend into the sample material collection groove. The discarded sample conveying mechanism is located under the sample material guide groove. The sample material conveyed by the conveying mechanism enters the sample material guide groove. After the sample is collected by the sampler, the sample material not collected by the sampler enters the discarded sample conveying mechanism for output; and a controller, the automatic feeding and feeding device, the conveying mechanism, the cutting and sampling device and the sample discarding and conveying mechanism are all electrically connected to the controller, and the controller can open and close the automatic feeding and feeding device, the conveying mechanism, the cutting and sampling device in sequence And the waste sample conveying mechanism; It is characterized in that: it also includes a sample collection and delivery device electrically connected with the controller; The sample collection and conveying device includes: a first sample conveying mechanism disposed on one side of the sample discarding and conveying device and capable of dispersing and conveying the samples cut and removed by the sampler in parallel, and is disposed obliquely on the first sample conveying The end of the conveying direction of the mechanism is used to further discretize and convey the samples sent by the first sample conveying mechanism, and is arranged at the end of the conveying direction of the second sample conveying mechanism to be able to convey the second sample conveying mechanism. The sample is moved vertically and fed into the storage hopper for recirculating sampling. The lifting mechanism also includes a secondary sample collector connected to the opposite position of the first sample conveying mechanism in the conveying direction. When the cutting sampling device moves to the secondary sample collector When the sampler is in position, the sample cut by the sampler is sent to the secondary sample collector for sample collection. 2 . The intelligent mobile online sample preparation vehicle according to claim 1 , wherein the first sample conveying mechanism comprises a first bracket arranged horizontally on the vehicle body, and arranged on the first bracket. 3 . The first conveying unit on the support further includes baffles arranged on both sides of the first conveying unit in the conveying direction and connected to the first support. 3 . The intelligent mobile online sample preparation vehicle according to claim 2 , wherein the first conveying unit comprises first conveying rollers arranged at both ends of the first support in the length direction, and is electrically connected to the controller. 4 . A connected first motor drives one of the first conveying rollers to rotate, and a transmission belt is connected between the first conveying rollers. 4 . The intelligent mobile online sample preparation vehicle according to claim 1 , wherein the second sample conveying mechanism comprises a second bracket arranged obliquely on the vehicle body and arranged on the second bracket. 5 . The second conveying unit, the height of one end of the second support close to the first sample conveying mechanism is lower than the height of one end close to the lifting mechanism, and further comprising: A side baffle is connected to the second bracket, and an end baffle is also provided at one end of the second bracket close to the first sample conveying mechanism. 5 . The intelligent mobile online sample preparation vehicle according to claim 4 , wherein the second conveying unit comprises second conveying rollers arranged at both ends of the second support in the length direction, and is electrically connected to the controller. 6 . The connected second motor, which can drive a second conveying roller to rotate, also includes a conveying belt with spaced blocking parts arranged between the second conveying rollers. 6 . The intelligent mobile online sample preparation vehicle according to claim 4 , wherein the included angle between the second bracket and the horizontal plane ranges from 30 degrees to 40 degrees. 7 . 7 . The intelligent mobile online sample preparation vehicle according to claim 1 , wherein the lifting mechanism comprises a vertically erected conveying support, and is slidably connected to the conveying support for storing a second sample conveying mechanism for conveying. 8 . The collection box of the sample, also includes a drive unit electrically connected with the controller to drive the collection box to move longitudinally to the storage hopper to dump the sample, a limit switch is arranged at the bottom of the bracket, and the limit switch is connected with the control electrical connection. 8 . The intelligent mobile online sample preparation vehicle according to claim 7 , wherein the driving unit comprises a hydraulic cylinder connected with the conveying support, a transverse support connected with the telescopic end of the hydraulic cylinder, and the The two ends of the transverse support are rotatably connected with a runner, and also include a connecting rope fixed with the conveying support and the collection box and connected with the runner. 9 . The intelligent mobile online sample preparation vehicle according to claim 8 , wherein the conveying support comprises a vertical support part with a vertical slide and an arc slide provided at the top of the vertical support part. 10 . The vertical slideway is connected with the arcuate slideway, and both sides of the collection box are provided with pulleys that are slidably connected to the vertical slideway and the arcuate slideway. . 10 . The intelligent mobile online sample preparation vehicle according to claim 2 , wherein the secondary sample collector comprises a secondary sample collection box connected with the first bracket, and is detachably connected with the secondary sample collection box. 11 . collection bucket.

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