Movable detection square cabin

Abstract

The invention provides a mobile detection square cabin, which is used for detecting grain samples and comprises a cabin body, detection equipment and a mobile vehicle, the mobile vehicle comprises a bearing plate and walking wheels, the bearing plate extends in the horizontal direction, the walking wheels are rotatably connected to the lower surface of the bearing plate, the cabin body is arranged on the upper surface of the bearing plate, and the detection equipment is arranged in an inner cavity of the cabin body, so that the mobile vehicle can drive the cabin body and the monitoring equipment to move. The device can move to a position closer to a sampling place, so that the transfer frequency and distance of a sample can be reduced, the probability of foreign matter mixing or cross contamination is further reduced, and the detection result is more accurate.

Description

Technical Field

[0001] This invention belongs to the field of grain testing technology, specifically relating to a mobile testing cabin. Background Technology

[0002] During grain procurement and storage, to control the quality and safety of incoming grain, it is usually necessary to sample vehicles or grain piles and send the samples to laboratories or testing rooms for testing of indicators such as moisture, bulk density, impurities, mold, and toxins. Currently, the laboratories or testing rooms that conduct sample testing are located in a fixed location, while the vehicles or grain piles transporting the grain are usually some distance away from the laboratories or testing rooms. In other words, the distance between the sampling site and the testing site is relatively far, and the samples need to be manually transported multiple times to reach the testing site. This can easily lead to the introduction of foreign objects or cross-contamination during transportation, affecting the representativeness and accuracy of the test results. Summary of the Invention

[0003] This invention provides a mobile testing cabin that can be moved to a location closer to the sampling site, reducing the number of sample transfers and the distance traveled, thereby reducing the probability of foreign matter contamination or cross-contamination and making the test results more accurate.

[0004] A mobile testing cabin for testing grain samples includes: a cabin body, testing equipment, and a mobile vehicle. The mobile vehicle includes a support plate and wheels. The support plate extends horizontally, and the wheels are rotatably connected to the lower surface of the support plate. The cabin is disposed on the upper surface of the support plate, and the detection device is disposed in the inner cavity of the cabin, so that the mobile vehicle can move the cabin and the monitoring device.

[0005] Preferably, it also includes a folding sampler, a pneumatic conveying system, and a first partition; The first partition is fixedly disposed in the inner cavity of the cabin and extends horizontally to divide the inner cavity of the cabin into an upper cavity and a lower cavity arranged vertically. The top of the cabin has an upper port for communicating with the outside of the upper cavity. The folding sampler is fixedly disposed on the upper surface of the first partition. When the folding sampler is in the retracted state, it is completely located inside the upper cavity. When the folding sampler is in the open state, the sampling rod of the folding sampler can extend out of the cabin through the upper port. Both the pneumatic conveying system and the testing equipment are located inside the lower cavity. The inlet end of the pneumatic conveying system is connected to the folding sampler, and the outlet end corresponds to the testing equipment, so that the grain samples collected by the folding sampler can be conveyed to the testing equipment for testing through the pneumatic conveying system.

[0006] Preferably, it also includes a second partition; The second partition is fixedly installed inside the lower cavity and extends vertically to divide the lower cavity into an observation space and a working space arranged horizontally. The pneumatic conveying system and the detection equipment are both located within the working space. An observation hole is provided on the second partition so that personnel in the observation space can observe the pneumatic conveying system and the detection equipment located in the workspace through the observation hole.

[0007] Preferably, it also includes a noise-reducing housing, and the pneumatic conveying system includes a fan and / or an air compressor; The noise reduction housing is fixedly installed within the working space, and the fan and / or the air compressor is installed in the inner cavity of the noise reduction housing.

[0008] Preferably, it also includes a side liner and a top liner fixedly disposed in the inner cavity of the noise reduction housing, the noise reduction housing including a side wall plate extending in the vertical direction and a top wall plate extending in the horizontal direction; The side liner is parallel to the side wall panel and has a distance between it and the side wall panel in the horizontal direction, so that a first receiving space is formed between the side liner and the side wall panel. The first receiving space is filled with sound-absorbing cotton. The side liner is provided with a first through hole extending horizontally along its axis. The number of the first through holes is two or more. The top liner is parallel to the top wall panel and there is a distance between them in the vertical direction, so that a second receiving space is formed between the top liner and the top wall panel. The second receiving space is filled with sound-absorbing cotton. The side liner is provided with a second through hole extending in the vertical direction, and the number of the second through holes is two or more.

[0009] Preferably, it also includes a frame and cushioning components; The frame is located inside the noise-reducing housing. The fan and / or the air compressor are mounted on the frame. The bottom of the frame has support legs, which are connected to the bottom wall of the noise-reducing housing cavity via the buffer component.

[0010] Preferably, the number of the support legs is at least two, and the number of the buffer components is equal to the number of the support legs, and they correspond one-to-one.

[0011] Preferably, it also includes a cover plate and a first drive unit; One end of the cover plate is hinged to the cabin body, and the other end is in a free state. The first driving device is fixed relative to the cabin body and is connected to the cover plate in a transmission manner to drive the cover plate to switch between a first position covering the upper port and a second position opening the upper port.

[0012] Preferably, there are two cover plates. When both cover plates are in the first position, they together cover the upper port. There are two first driving devices, each corresponding to one of the two cover plates.

[0013] Preferably, it also includes a controller and a position monitoring device; The position monitoring device is installed inside the upper cavity and is electrically connected to the controller. The controller is electrically connected to the folding sampler. The position monitoring device collects the position information of the cover plate in real time and sends the information to the controller. The controller controls the operation of the folding sampler according to the received position information of the cover plate.

[0014] Preferably, it also includes a power supply unit; The power supply unit is electrically connected to the folding sampler, the pneumatic conveying system, the first drive device, and the controller, respectively, for powering the folding sampler, the pneumatic conveying system, the first drive device, and the controller.

[0015] Preferably, the power supply unit has an AC power interface and is electrically connected to an external power source through the AC power interface; And / or, also includes a generator, the power supply unit including a generator interface and electrically connected to the generator through the generator interface; And / or, it also includes a power supply battery, the power supply unit including a battery interface and electrically connected to the power supply battery through the battery interface.

[0016] Ideally, it should also include supporting institutions; The cabin has an outer wall extending vertically. The support mechanism is installed on the outer wall and can be pushed against the ground by its own telescopic action to drive the cabin to move upward and separate the cabin from the support plate.

[0017] Preferably, the number of the support mechanisms is 2×N, where N is an integer greater than or equal to 2, and the 2×N support mechanisms are arranged in a rectangular array on the horizontal plane.

[0018] Preferably, the support mechanism includes a support arm and hydraulic outriggers; One end of the support arm is rotatably connected to the outer side wall, while the other end is in a free state, so that the support arm can switch between a third position parallel to the outer side wall and a fourth position perpendicular to the outer side wall. The hydraulic outriggers extend vertically and are fixedly connected to the free end of the support arm. The hydraulic outriggers rely on their own extension and retraction to abut against the ground and drive the cabin to move upward through the support arm.

[0019] Preferably, the support mechanism further includes a second drive device; The second drive device is fixed to the cabin and is connected to the support arm for driving the support arm to switch between the third position and the fourth position.

[0020] Preferably, the support mechanism further includes an upper connecting plate, a lower connecting plate, a mounting shaft, and a rotating sleeve; The upper connecting plate and the lower connecting plate are both fixedly connected to the outer side wall, and the two are arranged at intervals in the vertical direction. The axis of the mounting shaft extends in the vertical direction, and the top end is connected to the upper connecting plate and the bottom end is connected to the lower connecting plate. In the direction perpendicular to the outer side wall, there is a distance between the mounting shaft and the outer side wall. The rotating sleeve is fitted onto the mounting shaft and can rotate about the axis of the mounting shaft. The support arm is fixedly connected to the outer wall of the rotating sleeve.

[0021] Preferably, it also includes gears and gear rings; The gear ring is fixedly connected to the rotating sleeve, the gear is connected to the second drive device and meshes with the gear ring, and the second drive device drives the support arm to switch between the third position and the fourth position in sequence through the gear, the gear ring and the rotating sleeve.

[0022] The mobile testing cabin provided by this invention employs a mobile vehicle comprising a support plate and at least two wheels. The support plate extends horizontally, and the at least two wheels are rotatably connected to the lower surface of the support plate. The cabin body is disposed on the upper surface of the support plate, and the testing equipment is disposed within the interior cavity of the cabin body. This technical solution enables the mobile vehicle to move the cabin body and the monitoring equipment. It can move to a location closer to the sampling site, reducing the number of sample transfers and the distance traveled, thereby reducing the probability of foreign matter contamination or cross-contamination and making the test results more accurate. Attached Figure Description

[0023] Figure 1 This is a structural schematic diagram of an embodiment of the mobile testing cabin of the present invention; Figure 2 yes Figure 1 (The cover plate is in the first position) Schematic diagram of section A-A; Figure 3 yes Figure 1 (The cover plate is located in the second position) Schematic diagram of section A-A; Figure 4 yes Figure 1 Enlarged schematic diagram of section B in the middle; Figure 5 yes Figure 1 Enlarged diagram of section C; Figure 6 yes Figure 1 A schematic diagram of the circuit connections; Figure 7 yes Figure 1 A schematic diagram of direction K (with the outrigger in the third position); Figure 8 yes Figure 1 A schematic diagram of direction K (with the outrigger in the fourth position); Figure 9 yes Figure 7 L-axis schematic diagram; Figure 10 yes Figure 9 Enlarged schematic diagram of part D in the diagram.

[0024] The reference numerals in the figure are as follows: 1-Chamber; 2-Testing equipment; 3-Mobile vehicle; 4-Support plate; 5-Wheel; 6-Folding sampler; 7-Pneumatic conveying system; 8-First partition; 9-Upper cavity; 10-Lower cavity; 11-Upper port; 12-Second partition; 13-Observation space; 14-Working space; 15-Observation hole; 16-Noise-reducing shell; 17-Fan; 18-Air compressor; 19-Side liner; 20-Top liner; 21-Side wall panel; 22-Top wall panel; 23-First accommodating space; 24-Second accommodating space; 25-First through hole; 26-Second through hole; 27 28-Sound-absorbing cotton; 29-Frame; 30-Buffer component; 31-Outrigger; 32-Cover plate; 33-First drive device; 34-Connecting rod; 35-Controller; 36-Position monitoring device; 37-Power supply unit; 38-Generator; 39-Generator interface; 40-Power supply battery; 41-Battery interface; 42-Support mechanism; 43-Outer wall; 44-Outrigger; 45-Hydraulic support foot; 46-Second drive device; 47-Upper connecting plate; 48-Lower connecting plate; 49-Mounting shaft; 50-Rotating sleeve; 51-Gear; 52-Rack. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this invention, and not all of them. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0026] Example 1 like Figure 1 As shown, a mobile testing cabin is used to test grain samples. The mobile testing cabin includes: a cabin body 1, testing equipment 2, and a mobile vehicle 3. The mobile vehicle 3 includes a support plate 4 and wheels 5. The support plate 4 extends horizontally, and the wheels 5 are rotatably connected to the lower surface of the support plate 4. The cabin body 1 is located on the upper surface of the support plate 4, and the testing equipment 2 is located inside the cabin body 1, enabling the mobile vehicle 3 to move the cabin body 1 and the testing equipment. The number of wheels 5 can be one or more. This technical solution allows the mobile testing cabin to move freely to any required location, exhibiting high operational adaptability. Furthermore, because the mobile testing cabin can move to the vicinity of the sampling site, the obtained grain samples can be directly delivered to the testing equipment 2 inside the cabin body 1 for testing, reducing the number of sample transfers and distances, thereby reducing the probability of foreign matter contamination or cross-contamination and making the test results more accurate.

[0027] Specifically, such as Figure 1 , 6 As shown, it also includes a folding sampler 6, a pneumatic conveying system 7, and a first partition 8. The first partition 8 is fixedly installed in the inner cavity of the cabin 1 and extends horizontally to divide the inner cavity of the cabin 1 into an upper cavity 9 and a lower cavity 10 arranged vertically. At the top of the cabin 1, there is an upper port 11 that connects the upper cavity 9 to the outside. The folding sampler 6 is fixedly installed on the upper surface of the first partition 8. When the folding sampler 6 is in the retracted state, it is completely located inside the upper cavity 9. When the folding sampler 6 is in the open state, the sampling rod (not shown in the figure) of the folding sampler 6 can extend out of the cabin 1 (i.e., the upper cavity 9) through the upper port 11. At this time, the sampling rod can sample the grain in the cabin 1. Both the pneumatic conveying system 7 and the testing device 2 are located within the lower cavity 10. The inlet end of the pneumatic conveying system 7 is connected to the folding sampler 6, and the outlet end corresponds to the testing device 2, so that the grain samples collected by the folding sampler 6 can be conveyed to the testing device 2 for testing through the pneumatic conveying system 7. The folding sampler 6, the pneumatic conveying system 7, and the testing device 2 are not the inventive points of this invention, but rather existing technologies. This invention merely utilizes these existing technologies and does not intend to improve upon them; therefore, their specific structures and working principles will not be described in detail here.

[0028] Furthermore, such as Figure 2 , 3 As shown, it also includes a cover plate 31 and a first drive device 32. One end of the cover plate 31 is hinged to the cabin 1, and the other end is in a free state. The first drive device 32 is fixed relative to the cabin 1 and is drivenly connected to the cover plate 31 to drive the cover plate 31 to switch between a first position covering the upper port 11 and a second position opening the upper port 11. Specifically, it can be described as follows: Figure 2 , 3 As shown, the first driving device 32 is connected to the cover plate 31 via a connecting rod 33, so as to drive the cover plate 31 to switch between a first position and a second position via the connecting rod 33. However, it is not limited to this; the first driving device 32 can be connected to the cover plate 31 in any feasible manner. In actual manufacturing, such as Figure 2 , 3 As shown, there are two cover plates 31. When both cover plates 31 are in the first position, they together cover the upper port 11. There are two first driving devices 32, which correspond to the two cover plates 31 respectively.

[0029] Preferably, such as Figure 1 , 2 As shown in Figures 3 and 6, the system also includes a controller 34 and a position monitoring device 35. The position monitoring device 35 is located inside the upper cavity 9 and is electrically connected to the controller 34, which is in turn electrically connected to the folding sampler 6. The position monitoring device 35 collects the position information of the cover plate 31 in real time and sends this information to the controller 34. The controller 34 controls the folding sampler 6 to operate based on the received position information of the cover plate 31. In actual operation, if the controller 34 receives information that the cover plate 31 is in the first position (i.e., the upper port 11 is closed), it controls the folding sampler 6 to remain in the retracted state. If the controller 34 receives information that the cover plate 31 is in the second position (i.e., the upper port 11 is open), it controls the folding sampler 6 to open, at which point the sampling rod can extend from the upper port 11 without interfering with the cover plate 31. It should be noted that in actual manufacturing, the pneumatic conveying system and the detection device 2 can also be electrically connected to the controller 34 to operate under its control.

[0030] Furthermore, such as Figure 1As shown, a second partition 12 is also included. The second partition 12 is fixedly disposed within the lower cavity 10 and extends vertically to divide the lower cavity 10 into an observation space 13 and a working space 14 arranged horizontally. The pneumatic conveying system 7 and the testing equipment 2 are both located within the working space 14. An observation hole 15 is provided on the second partition 12 so that personnel in the observation space 13 can observe the pneumatic conveying system 7 and the testing equipment 2 located in the working space 14 through the observation hole 15. This reduces the impact of noise and vibration generated by the pneumatic conveying system 7 and the testing equipment 2 on the observation space 13, thereby providing a better environment for the observers.

[0031] As a preferred implementation method, such as Figure 1 As shown, the system also includes a noise-reducing housing 16, and the pneumatic conveying system 7 includes a fan 17 and / or an air compressor 18. The noise-reducing housing 16 is fixedly installed within the working space 14, and the fan 17 and / or air compressor 18 are installed inside the noise-reducing housing 16. This reduces the noise pollution of the external environment caused by the fan 17 and / or air compressor 18. It should be noted that if there are other noisy devices in the pneumatic conveying system 7, they can also be installed inside the noise-reducing housing 16.

[0032] Specifically, such as Figure 4 As shown, the noise reduction housing 16 also includes a side liner 19 and a top liner 20 fixedly disposed within the inner cavity of the noise reduction housing 16. The noise reduction housing 16 includes a side wall plate 21 extending vertically and a top wall plate 22 extending horizontally. The side liner 19 is parallel to the side wall plate 21 and has a distance between it in the horizontal direction, so that a first receiving space 23 is formed between the side liner 19 and the side wall plate 21. The first receiving space 23 is filled with sound-absorbing cotton 27. The side liner 19 is provided with a first through hole 25 extending horizontally, and the number of first through holes 25 is two or more. The top liner 20 is parallel to the top wall plate 22 and has a distance between it in the vertical direction, so that a second receiving space 24 is formed between the top liner 20 and the top wall plate 22. The second receiving space 24 is filled with sound-absorbing cotton 27. The side liner 19 is provided with a second through hole 26 extending vertically, and the number of second through holes 26 is two or more.

[0033] Even better, such as Figure 1 , 5As shown, it also includes a frame 28 and buffer components 29. The frame 28 is located inside the cavity of the noise-reducing housing 16. The fan 17 and / or air compressor 18 are mounted on the frame 28. The bottom of the frame 28 has legs 30, which are connected to the bottom wall of the cavity of the noise-reducing housing 16 via the buffer components 29. This reduces the impact of the vibration of the fan 17 and / or air compressor 18 on the housing 1. It should be noted that if there are other equipment with large vibrations in the pneumatic conveying system 7, they can also be mounted on the frame 28. In actual manufacturing, the number of legs 30 is at least two, and the number of buffer components 29 is equal to the number of legs 30, and they correspond one-to-one. The buffer component 29 is not the inventive point of this invention, but a prior art. This invention only utilizes this prior art and does not intend to improve it. Therefore, its structure and working principle will not be described in detail here.

[0034] As an optional implementation method, such as Figure 1 , 6 As shown, it also includes a power supply unit 36; the power supply unit 36 ​​is electrically connected to the folding sampler 6, the pneumatic conveying system 7, the first drive device 32, and the controller 34 respectively, for powering the folding sampler 6, the pneumatic conveying system 7, the first drive device 32, and the controller 34. In actual manufacturing, the power supply unit can be electrically connected to and power all equipment (including testing equipment 2) in the mobile testing cabin that requires power.

[0035] Specifically, such as Figure 1 , 6 As shown, the power supply unit 36 ​​has an AC power interface 37 and is electrically connected to an external power source through the AC power interface 37. And / or, it also includes a generator 38, the power supply unit 36 ​​including a generator interface 39 and electrically connected to the generator 38 through the generator interface 39. And / or, it also includes a power supply battery 40, the power supply unit 36 ​​including a battery interface 41 and electrically connected to the power supply battery 40 through the battery interface 41.

[0036] Example 2 Based on Example 1, such as Figure 7 As shown, it also includes a support mechanism 42. The cabin 1 has an outer wall 43 extending vertically. The support mechanism 42 is mounted on the outer wall 43 and can rely on its own telescopic action to abut against the ground, thereby driving the cabin 1 to move upward and separating the cabin 1 from the support plate 4. In this way, when the mobile detection cabin reaches its working position, the support mechanism 42 can be used to support the cabin 1 and separate it from the support plate 4, at which point the mobile vehicle 3 can be moved away from the bottom of the cabin 1. In actual manufacturing, the number of support mechanisms 42 is 2×N, where N is an integer greater than or equal to 2. On the horizontal plane, the 2×N support mechanisms 42 are arranged in a rectangular array.

[0037] Specifically, such as Figure 7 , 8 As shown in Figure 9, the support mechanism 42 includes a support arm 44 and a hydraulic outrigger 45. One end of the support arm 44 is rotatably connected to the outer wall 43, while the other end is in a free state, allowing the support arm 44 to switch between a third position parallel to the outer wall 43 and a fourth position perpendicular to the outer wall 43. The hydraulic outrigger 45 extends vertically and is fixedly connected to the free end of the support arm 44. The hydraulic outrigger 45 rests against the ground by its own extension and retraction, and drives the cabin 1 upward through the support arm 44. In actual operation, when the support mechanism 42 does not support the cabin 1, the support arm 44 is in the third position to reduce the overall space occupied by the cabin 1 and the support mechanism. When the support mechanism 42 supports the cabin 1, the support arm 44 is in the fourth position, at which time the hydraulic outrigger 45 rests against the ground by its own extension and retraction, and drives the cabin 1 upward through the support arm 44. The hydraulic outrigger 45 is not an inventive point of this invention, but rather a prior art. This invention merely utilizes this prior art and does not intend to improve upon it; therefore, its structure and working principle will not be described in detail here. When a controller 34 is included, the hydraulic outrigger 45 can be electrically connected to the controller to operate under the control of the controller 34. When a power supply unit 36 ​​is included, the power supply 36 can be electrically connected to the hydraulic outrigger 45 to supply power to the hydraulic unit 45.

[0038] Furthermore, such as Figure 10 As shown, the support mechanism 42 also includes a second drive device 46. The second drive device 46 is fixed to the cabin 1 and is drively connected to the support arm 44 to drive the support arm 44 to switch between a third position and a fourth position. When a controller 34 is included, the second drive device 46 can be electrically connected to the controller to operate under the control of the controller 34. When a power supply unit 36 ​​is included, the power supply 36 can be electrically connected to the second drive device 46 to supply power to the second drive device 46. In actual manufacturing, as... Figure 10 As shown, the support mechanism 42 also includes an upper connecting plate 47, a lower connecting plate 48, a mounting shaft 49, and a rotating sleeve 50. The upper connecting plate 47 and the lower connecting plate 48 are both fixedly connected to the outer side wall 43, and are arranged vertically at intervals. The axis of the mounting shaft 49 extends vertically, with its top end connected to the upper connecting plate 47 and its bottom end connected to the lower connecting plate 48. There is a distance between the mounting shaft 49 and the outer side wall 43 in a direction perpendicular to the outer side wall 43. The rotating sleeve 50 is sleeved on the mounting shaft 49 and can rotate around the axis of the mounting shaft 49. The support arm 44 is fixedly connected to the outer wall of the rotating sleeve 50.

[0039] In this embodiment, the transmission connection between the second drive device 46 and the support arm 44 can be as follows: Figure 10As shown, it also includes a gear 51 and a gear ring 52. The gear ring 52 is fixedly connected to the rotating sleeve 50, and the gear 51 is connected to the second drive device 46 and meshes with the gear ring 52. The second drive device 46 drives the support arm 44 to switch between the third position and the fourth position in sequence through the gear 51, the gear ring 52 and the rotating sleeve. The transmission connection between the second drive device 46 and the support arm 44 is not limited to this, and any other technical solution that can achieve the purpose of the invention can be adopted.

[0040] It will be readily understood by those skilled in the art that the aforementioned advantageous methods can be freely combined and superimposed without conflict.

[0041] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention. The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the protection scope of the present invention.

Claims

1. A mobile testing cabin for testing samples, characterized in that: include: The cabin (1), the testing equipment (2), and the mobile vehicle (3); The mobile vehicle (3) includes a support plate (4) and wheels (5). The support plate (4) extends horizontally, and the wheels (5) are rotatably connected to the lower surface of the support plate (4). The cabin (1) is disposed on the upper surface of the support plate (4), and the detection device (2) is disposed in the inner cavity of the cabin (1) so that the mobile vehicle (3) can drive the cabin (1) and the monitoring device to move.

2. The mobile testing cabin according to claim 1, characterized in that: It also includes a folding sampler (6), a pneumatic conveying system (7), and a first partition (8); The first partition (8) is fixedly disposed in the inner cavity of the cabin (1) and extends horizontally to divide the inner cavity of the cabin (1) into an upper cavity (9) and a lower cavity (10) arranged vertically. The top of the cabin (1) has an upper port (11) that allows the upper cavity (9) to communicate with the outside. The folding sampler (6) is fixedly disposed on the upper surface of the first partition (8). When the folding sampler (6) is in the retracted state, it is completely located inside the upper cavity (9). When the folding sampler (6) is in the open state, the sampling rod of the folding sampler (6) can extend out of the cabin (1) through the upper port (11). The pneumatic conveying system (7) and the detection device (2) are both located inside the lower cavity (10). The inlet end of the pneumatic conveying system (7) is connected to the folding sampler (6), and the outlet end is corresponding to the detection device (2), so that the grain sample collected by the folding sampler (6) can be conveyed to the detection device (2) through the pneumatic conveying system (7) for detection.

3. The mobile testing cabin according to claim 2, characterized in that: It also includes a second partition (12); The second partition (12) is fixedly installed inside the lower cavity (10) and extends vertically to divide the lower cavity (10) into an observation space (13) and a working space (14) arranged horizontally. The pneumatic conveying system (7) and the detection device (2) are both located inside the working space (14). An observation hole (15) is provided on the second partition (12) so that personnel in the observation space (13) can observe the pneumatic conveying system (7) and the detection equipment (2) in the work space (14) through the observation hole (15).

4. The mobile testing cabin according to claim 3, characterized in that: It also includes a noise-reducing housing (16), and the pneumatic delivery system (7) includes a fan (17) and / or an air compressor (18). The noise reduction housing (16) is fixedly installed within the working space (14), and the fan (17) and / or the air compressor (18) are installed in the inner cavity of the noise reduction housing (16).

5. The mobile testing cabin according to claim 4, characterized in that: It also includes a side liner (19) and a top liner (20) fixedly installed in the inner cavity of the noise reduction housing (16). The noise reduction housing (16) includes a side wall plate (21) extending in the vertical direction and a top wall plate (22) extending in the horizontal direction. The side liner (19) is parallel to the side wall panel (21) and there is a distance between the side liner (19) and the side wall panel (21) in the horizontal direction, so that a first receiving space (23) is formed between the side liner (19) and the side wall panel (21). The first receiving space (23) is filled with sound-absorbing cotton (27). The side liner (19) is provided with a first through hole (25) extending horizontally along the axis. The number of the first through holes (25) is two or more. The top liner (20) is parallel to the top wall panel (22) and there is a distance between them in the vertical direction, so that a second receiving space (24) is formed between the top liner (20) and the top wall panel (22). The second receiving space (24) is filled with sound-absorbing cotton (27). A second through hole (26) with its axis extending in the vertical direction is provided on the side liner (19). The number of the second through holes (26) is two or more.

6. The mobile testing cabin according to claim 4, characterized in that: It also includes a frame (28) and a buffer component (29); The frame (28) is located in the inner cavity of the noise reduction housing (16), the fan (17) and / or the air compressor (18) are mounted on the frame (28), the bottom of the frame (28) has a support leg (30), and the support leg (30) is connected to the bottom wall of the inner cavity of the noise reduction housing (16) through the buffer member (29).

7. The mobile testing cabin according to claim 6, characterized in that: The number of the support legs (30) is at least two, and the number of the buffer components (29) is equal to the number of the support legs (30), and they correspond one-to-one.

8. The mobile testing cabin according to claim 2, characterized in that: It also includes a cover plate (31) and a first drive unit (32); One end of the cover plate (31) is hinged to the cabin (1), and the other end is in a free state. The first drive device (32) is fixed relative to the cabin (1) and is connected to the cover plate (31) in a transmission manner to drive the cover plate (31) to switch between a first position covering the upper port (11) and a second position opening the upper port (11).

9. The mobile testing cabin according to claim 8, characterized in that: There are two cover plates (31). When both cover plates (31) are in the first position, they together cover the upper port (11). There are two first driving devices (32). The two first driving devices (32) correspond to the two cover plates (31) respectively.

10. The mobile testing cabin according to claim 8, characterized in that: It also includes a controller (34) and a position monitoring device (35); The position monitoring device (35) is installed inside the upper cavity (9) and is electrically connected to the controller (34). The controller (34) is electrically connected to the folding sampler (6). The position monitoring device (35) collects the position information of the cover plate (31) in real time and sends the information to the controller (34). The controller (34) controls the folding sampler (6) to work according to the received position information of the cover plate (31).

11. The mobile testing cabin according to claim 10, characterized in that: It also includes a power supply unit (36); The power supply unit (36) is electrically connected to the folding sampler (6), the pneumatic conveying system (7), the first drive device (32) and the controller (34) respectively, for the purpose of powering the folding sampler (6), the pneumatic conveying system (7), the first drive device (32) and the controller (34).

12. The mobile testing cabin according to claim 11, characterized in that: The power supply unit (36) has an AC power interface (37) and is electrically connected to an external power source through the AC power interface (37); And / or, also includes a generator (38), the power supply unit (36) including a generator interface (39) and electrically connected to the generator (38) through the generator interface (39); And / or, it also includes a power supply battery (40), the power supply unit (36) including a battery interface (41) and electrically connected to the power supply battery (40) through the battery interface (41).

13. The mobile testing cabin according to any one of claims 1 to 12, characterized in that: It also includes support structures (42); The cabin (1) has an outer wall (43) extending in a vertical direction. The support mechanism (42) is installed on the outer wall (43) and can rely on its own telescopic action to abut against the ground to drive the cabin (1) to move upward and separate the cabin (1) from the support plate (4).

14. The mobile testing cabin according to claim 13, characterized in that: The number of the support mechanisms (42) is 2×N, where N is an integer greater than 2. On the horizontal plane, the 2×N support mechanisms are arranged in a rectangular array.

15. The mobile testing cabin according to claim 13, characterized in that: The support mechanism (42) includes a support arm (44) and a hydraulic support leg (45). One end of the arm (44) is rotatably connected to the outer wall (43), and the other end is in a free state, so that the arm (44) can switch between a third position parallel to the outer wall (43) and a fourth position perpendicular to the outer wall (43); The hydraulic outrigger (45) extends vertically and is fixedly connected to the free end of the support arm (44). The hydraulic outrigger (45) rests against the ground by its own extension and retraction and drives the cabin (1) to move upward through the support arm (44).

16. The mobile testing cabin according to claim 15, characterized in that: The support mechanism (42) also includes a second drive device (46). The second drive device (46) is fixed on the cabin (1) and is connected to the support arm (44) for driving the support arm (44) to switch between the third position and the fourth position.

17. The mobile testing cabin according to claim 16, characterized in that: The support mechanism (42) also includes an upper connecting plate (47), a lower connecting plate (48), a mounting shaft (49), and a rotating sleeve (50). The upper connecting plate (47) and the lower connecting plate (48) are both fixedly connected to the outer side wall (43), and the two are arranged at intervals in the vertical direction. The axis of the mounting shaft (49) extends in the vertical direction, and its top end is connected to the upper connecting plate (47) and its bottom end is connected to the lower connecting plate (48). There is a distance between the mounting shaft (49) and the outer side wall (43) in the direction perpendicular to the outer side wall (43). The rotating sleeve (50) is sleeved on the mounting shaft (49) and can rotate around the axis of the mounting shaft (49). The support arm (44) is fixedly connected to the outer wall of the rotating sleeve (50).

18. The mobile testing cabin according to claim 17, characterized in that: It also includes a gear (51) and a gear ring (52); The gear ring (52) is fixedly connected to the rotating sleeve (50), the gear (51) is connected to the second drive device (46) and meshes with the gear ring (52), and the second drive device (46) sequentially drives the support arm (44) to switch between the third position and the fourth position through the gear (51), the gear ring (52) and the rotating sleeve.

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