Multi-head synchronous prototyping machine

Abstract

The utility model discloses a multi-head synchronous sampling machine, which relates to the technical field of grain sampling, wherein the multi-head synchronous sampling machine includes a frame, a lifting mechanism and a rod mechanism, the frame includes a frame body and a top plate, the lifting assembly is used to drive the mounting seat to move back and forth in the vertical direction; the rod mechanism includes a rotating assembly and a rod. The technical solution of the utility model can complete multiple samplings at one time by setting multiple rod mechanisms, which greatly improves the sampling efficiency; by setting the top plate and the frame body to slide relative to each other, the rod mechanism can be driven to move along the grain vehicle in the direction of the vehicle body, thereby expanding the sampling area, realizing random sampling at any position of the grain vehicle, and improving the randomness of sampling; by setting the first driving assembly to drive the rod to rotate through the rotating arm, the full coverage random sampling of the width direction of the grain vehicle is realized, which not only expands the sampling area, but also can be applied to all types of grain vehicles in the market, expanding the scope of application of the multi-head synchronous sampling machine.

Description

Technical Field

[0001] The utility model relates to the technical field of grain sampling, in particular to a multi-head synchronous sampling machine. Background Art

[0002] A sampling machine is a device for randomly sampling bulk grain before it is stored in a vehicle, so as to subsequently inspect the quality of the grain. Common sampling machines are mainly divided into fixed structure, rail structure and gantry multi-rod structure. Among them, the fixed structure and rail structure are mostly single-rod due to cantilever weight and force issues, and the length of the single rod is limited, resulting in low sampling efficiency and limited sampling area. The existing gantry multi-rod structure requires manual assistance in selecting sampling points and has high requirements for the parking position of the grain truck. It has the problem of poor randomness and cannot meet customer needs. Utility Model Content

[0003] The main purpose of the utility model is to provide a multi-head synchronous sampling machine, aiming to solve the problems of low efficiency, limited sampling area and poor randomness of the sampling machine.

[0004] In order to achieve the above-mentioned purpose, the utility model proposes a multi-head synchronous sampling machine, which comprises:

[0005] A frame, the frame comprising a frame body and a top plate, the frame body and the top plate are slidably matched, and the top plate can slide relative to the frame body along a first direction;

[0006] A lifting mechanism, the lifting mechanism comprising a lifting assembly and a mounting seat, one end of the lifting assembly is connected to the top plate, the other end of the lifting assembly is connected to the mounting seat, and the lifting assembly is used to drive the mounting seat to reciprocate in the vertical direction;

[0007] A rod insertion mechanism, the rod insertion mechanism includes a rotating component and a rod, the rotating component includes a sliding seat, a first driving component and a rotating arm, the sliding seat is slidably matched with the mounting seat, the sliding seat can slide relative to the mounting seat along the first direction, the first driving component is connected to the sliding seat, the first driving component is transmission-connected to the rotating arm, the end of the rotating arm away from the first driving component is connected to the rod, so that the first driving component can drive the rod to rotate through the rotating arm, the rotating axis of the first driving component and the rotating axis of the rod are not colinearly arranged, the number of the rod insertion mechanisms is multiple, and the multiple rod insertion mechanisms are arranged at intervals.

[0008] In one embodiment, the first driving assembly includes a first motor, a first gear and a slewing bearing, the first motor is connected to the sliding seat, the output end of the first motor is connected to the first gear, the first gear is meshed with the slewing bearing, and the slewing bearing is connected to the rotating arm, so that the first motor can drive the rod to rotate through the first gear, the slewing bearing and the rotating arm.

[0009] In one embodiment, the rotating arm includes a first part and a second part connected to each other, the first part and the second part are vertically arranged, one end of the first part away from the second part is connected to the slewing bearing, and one end of the second part away from the first part is detachably connected to the rod.

[0010] In one embodiment, the mounting seat is provided with a first slide rail, the first slide rail extends along the first direction, the sliding seat is provided with a first slider, the first slider slides with the first slide rail, and the rod mechanism also includes a second drive component, the second drive component is connected to the sliding seat, and the second drive component is used to drive the first slider to slide relative to the first slide rail along the first direction.

[0011] In one embodiment, the mounting seat is also provided with a rack, and the rack extends along the first direction. The second driving assembly includes a second motor and a second gear. The second motor is connected to the sliding seat, and the output end of the second motor is connected to the second gear, and the second gear is meshed with the rack. The second motor drives the second gear to rotate relative to the rack so that the first slider slides relative to the first slide rail along the first direction.

[0012] In one embodiment, the lifting assembly includes a mounting plate, a third drive assembly and a symmetrically arranged scissors fork assembly, the mounting plate is connected to the top plate, the scissors fork assembly has a first end, a second end, a third end and a fourth end, the first end is slidably connected to the mounting plate, the second end is rotatably connected to the mounting plate, the third end is slidably connected to the mounting seat, the fourth end is rotatably connected to the mounting seat, the third drive assembly is connected to the mounting seat, the output end of the third drive assembly is connected to the first end, and the third drive assembly is used to drive the first end to drive the third end to slide along the first direction.

[0013] In one embodiment, the plurality of rod mechanisms are divided into a first rod group and a second rod group, the first rod group and the second rod group are relatively arranged on both sides of the mounting base along the second direction, and the first rod group and the second rod group each include at least one rod mechanism.

[0014] In one embodiment, the multi-head synchronous sampling machine also includes a laser radar mechanism, which includes a connecting rod, a locking block and a laser radar, the connecting rod is connected to the frame body, the locking block is slidably connected to the connecting rod, and the laser radar is hinged to the locking block.

[0015] In one embodiment, there are multiple laser radar mechanisms, and the multiple laser radar mechanisms are arranged at intervals.

[0016] In one embodiment, a third slide rail is disposed on the frame body, a third slider is disposed on the top plate, and the third slider is slidably matched with the third slide rail.

[0017] In the technical solution of the utility model, the first direction is the left and right direction, and the top plate can slide in the left and right direction relative to the frame body, thereby driving the lifting mechanism and the rod mechanism to move along the grain cart in the direction of the body, and the left and right lengths of the frame body can be determined according to the body size of the grain cart to meet the sampling length range requirements, expand the sampling area, and realize random sampling of the grain cart at any position in the direction of the body. There is no requirement for the parking position of the grain cart, which improves the randomness of sampling; the lifting component is used to drive multiple rod mechanisms to reciprocate in the vertical direction to realize sampling work, effectively avoiding the phenomenon of inconsistent depths when multiple rods are inserted or asynchronous movement when multiple rods are inserted due to friction and other reasons, and preventing the occurrence of damage to the rod and uneven sampling due to asynchronous; the first driving component in the rotating component can drive the rod to rotate through the rotating arm, and the first driving The rotating axis of the component and the rotating axis of the picker are not arranged in a colinear manner, thereby realizing full coverage random sampling in the width direction of the grain cart, expanding the sampling area, and being applicable to all types of grain carts on the market, thereby expanding the scope of application of the multi-head synchronous picker; by setting up multiple picker mechanisms, multiple samplings can be completed at one time, which greatly improves the sampling efficiency, and the structures of multiple picker mechanisms are the same, which makes the multi-head synchronous picker more modular and more convenient to install; in this embodiment, the picker rod is first driven to move to the sampling point position by the top plate and the rotating component, and then the picker rod is driven downward by the lifting component to make the picker rod sample the grain cart. After the sampling is completed, the picker rod can be driven upward by the lifting component to separate the picker rod from the grain cart, and then the picker rod is driven to move to the next sampling point position by the top plate or the rotating component to perform sampling until the set number of sampling times is completed. The technical solution of the utility model can complete multiple samplings at one time by arranging multiple picker rod mechanisms, thereby greatly improving the sampling efficiency; by arranging a top plate that can slide in the left and right directions relative to the frame body, the lifting mechanism and the picker rod mechanism can be driven to move along the body direction of the grain truck, thereby expanding the sampling area, realizing random sampling at any position of the grain truck, and having no requirements for the parking position of the grain truck, thereby improving the randomness of the sampling; by arranging a first driving component to drive the picker rod to rotate through a rotating arm, full coverage random sampling in the width direction of the grain truck can be realized, which not only expands the sampling area, but also can be applicable to all types of grain trucks on the market, thereby expanding the scope of application of the multi-head synchronous picker. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1A structural schematic diagram of an embodiment of a multi-head synchronous sampling machine provided by the utility model;

[0020] Figure 2 A schematic structural diagram of another viewing angle of an embodiment of a multi-head synchronous prototyping machine provided by the utility model;

[0021] Figure 3 A structural schematic diagram of another perspective of an embodiment of a multi-head synchronous prototyping machine provided by the utility model;

[0022] Figure 4 A schematic diagram of the structure of the lifting mechanism of the multi-head synchronous sampling machine provided by the utility model;

[0023] Figure 5 A structural schematic diagram of the rod mechanism of the multi-head synchronous prototyping machine provided by the utility model;

[0024] Figure 6 The present invention is a schematic structural diagram of the laser radar mechanism of the multi-head synchronous sampling machine provided by the utility model.

[0025] Description of Figure Numbers:

[0026] 100. Multi-head synchronous prototyping machine; 1. frame; 11. frame body; 111. third slide rail; 12. top plate; 121. third slider; 2. lifting mechanism; 21. lifting assembly; 211. mounting plate; 2111. fourth slide rail; 212. third drive assembly; 2121. third motor; 2122. ball screw; 213. scissor fork assembly; 2131. first end; 2131a. fourth slider; 2132. second end; 2133. third end; 2134. fourth end; 22. mounting seat; 221. first slide rail; 222. rack; 223. slider Slot; 3, rod mechanism; 31, first rod group; 311, rod; 312, rotating assembly; 3121, sliding seat; 3121a, first slider; 3122, first drive assembly; 3122a, first motor; 3122b, first gear; 3122c, slewing bearing; 3123, rotating arm; 3123a, first part; 3123b, second part; 313, second drive assembly; 3131, second motor; 3132, second gear; 32, second rod group; 4, laser radar mechanism; 41, connecting rod; 42, locking block; 43, laser radar.

[0027] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, and back), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0031] The main purpose of the utility model is to provide a multi-head synchronous sampling machine 100, aiming to solve the problems of low efficiency, limited sampling area and poor randomness of the sampling machine.

[0032] The utility model provides a multi-head synchronous sampling machine 100.

[0033] See also Figures 1 to 3In one embodiment of the utility model, the multi-head synchronous prototyping machine 100 includes a frame 1, a lifting mechanism 2 and a rod insertion mechanism 3. The frame 1 includes a frame body 11 and a top plate 12. The frame body 11 and the top plate 12 are slidably matched, and the top plate 12 can slide relative to the frame body 11 along a first direction; the lifting mechanism 2 includes a lifting component 21 and a mounting seat 22. One end of the lifting component 21 is connected to the top plate 12, and the other end of the lifting component 21 is connected to the mounting seat 22. The lifting component 21 is used to drive the mounting seat 22 to reciprocate in the vertical direction; the rod insertion mechanism 3 includes a rotating component 312 and a rod 311. The rotating component 312 includes a sliding seat 3121, a first driving The movable component 3122 and the rotating arm 3123, the sliding seat 3121 and the mounting seat 22 are slidably matched, the sliding seat 3121 can slide relative to the mounting seat 22 along a first direction, the first driving component 3122 is connected to the sliding seat 3121, the first driving component 3122 is connected to the rotating arm 3123, and the end of the rotating arm 3123 away from the first driving component 3122 is connected to the rod 311, so that the first driving component 3122 can drive the rod 311 to rotate through the rotating arm 3123, the rotating axis of the first driving component 3122 and the rotating axis of the rod 311 are not arranged in a colinear manner, the number of the rod mechanism 3 is multiple, and the multiple rod mechanisms 3 are arranged at intervals.

[0034] In the embodiment of the utility model, the first direction is the left-right direction, and the top plate 12 can slide in the left-right direction relative to the frame body 11, thereby driving the lifting mechanism 2 and the rod mechanism 3 to move along the grain vehicle in the body direction, and the left-right length of the frame body 11 can be determined according to the body size of the grain vehicle to meet the sampling length range requirements, expand the sampling area, and realize random sampling at any position of the grain vehicle in the body direction. There is no requirement for the parking position of the grain vehicle, which improves the randomness of the sampling; the lifting component 21 is used to drive multiple The rod mechanism 3 moves back and forth in the vertical direction to realize the sampling work, which effectively avoids the phenomenon that the depth of multiple rods 311 is inconsistent when they are inserted or the movement of multiple rods is asynchronous when they are inserted due to friction and other reasons, and prevents the rod 311 from being damaged and the sampling is uneven due to asynchronous. The first driving component 3122 in the rotating component 312 can drive the rod 311 to rotate through the rotating arm 3123, and the rotating shaft of the first driving component 3122 and the rotating shaft of the rod 311 are not arranged in the same line, so as to realize the grain cart The full coverage random sampling in the width direction expands the sampling area and can be applied to all types of grain trucks in the market, thus expanding the application scope of the multi-head synchronous sampling machine 100; by setting up multiple rod mechanisms 3, multiple samplings can be completed at one time, which greatly improves the sampling efficiency, and the multiple rod mechanisms 3 have the same structure, so that the multi-head synchronous sampling machine 100 has a higher degree of modularity and is more convenient to install; in this embodiment, the top plate 12 and the rotating component 312 are first used to drive the rod 311 to move to the sampling point position, and then the lifting component is used to move the rod 31 ... 21 drives the pickaxe 311 to move downward. The pickaxe 311 is a hollow structure. The top of the pickaxe 311 is connected to a sampling hose, which is connected to a negative pressure system. Under the operation of the negative pressure system, the pickaxe 311 samples the grain in the grain truck. After the sampling is completed, the pickaxe 311 can be driven upward by the lifting component 21 to separate the pickaxe 311 from the grain truck, and then the pickaxe 311 can be driven to move to the next sampling point by the top plate 12 or the rotating component 312 to perform sampling until the set number of samplings is completed.

[0035] The technical solution of the utility model can complete multiple samplings at one time by setting up multiple pick-up rod mechanisms 3, thereby greatly improving the sampling efficiency; by setting up a top plate 12 that can slide in the left and right directions relative to the frame body 11, the lifting mechanism 2 and the pick-up rod mechanism 3 can be driven to move along the body direction of the grain truck, thereby expanding the sampling area, realizing random sampling at any position of the grain truck, and there is no requirement for the parking position of the grain truck, thereby improving the randomness of the sampling; by setting up a first drive component 3122 to drive the pick-up rod 311 to rotate through the rotating arm 3123, full coverage random sampling in the width direction of the grain truck is realized, which not only expands the sampling area, but also can be applicable to all types of grain trucks on the market, thereby expanding the scope of application of the multi-head synchronous sampling machine 100.

[0036] See also Figure 5In one embodiment, the first driving assembly 3122 includes a first motor 3122a, a first gear 3122b and a slewing bearing 3122c, the first motor 3122a is connected to the sliding seat 3121, the output end of the first motor 3122a is connected to the first gear 3122b, the first gear 3122b is meshed with the slewing bearing 3122c, and the slewing bearing 3122c is connected to the rotating arm 3123, so that the first motor 3122a can drive the rod 311 to rotate through the first gear 3122b, the slewing bearing 3122c and the rotating arm 3123; specifically, in order to realize that the first driving assembly 3122 drives the rod 311 to rotate through the rotating arm 3123, the first motor 3122 The output end of a is connected to the first gear 3122b, and the first gear 3122b can be driven to rotate by the first motor 3122a. The first gear 3122b is meshed with the outer ring gear of the slewing bearing 3122c, and the inner ring of the slewing bearing 3122c is connected to the rotating arm 3123, so that the first motor 3122a can drive the rod 311 to rotate through the first gear 3122b, the slewing bearing 3122c and the rotating arm 3123. By setting the slewing bearing 3122c, the stable rotation and accurate adjustment of the rotating arm 3123 can be achieved, thereby improving the working efficiency and accuracy; and because the power of the first motor 3122a is relatively small, the energy consumption and production cost of the multi-head synchronous sampling machine 100 can be reduced. In this embodiment, the slewing bearing 3122c is an existing structure, and its specific structure and function are not described in this embodiment.

[0037] In one embodiment, the rotating arm 3123 includes a first portion 3123a and a second portion 3123b connected to each other, the first portion 3123a and the second portion 3123b are vertically arranged, one end of the first portion 3123a away from the second portion 3123b is connected to the slewing bearing 3122c, and one end of the second portion 3123b away from the first portion 3123a is detachably connected to the rod 311; specifically, the first portion 3123a and the second portion 3123b are vertically arranged, and the second portion 3123b is away from the first portion 3123 One end of a is detachably connected to the skewer rod 311, so that the rotating axis of the first motor 3122a and the rotating axis of the skewer rod 311 are not arranged in a colinear manner, and the full coverage random sampling in the width direction of the grain truck can be achieved by rotating the rotating arm 3123, which not only expands the sampling area, but also can be applied to all types of grain trucks on the market, expanding the scope of application of the multi-head synchronous sampling machine 100; the second part 3123b is detachably connected to the skewer rod 311, which facilitates the disassembly and assembly of the second part 3123b and the skewer rod 311, and is convenient for maintenance and replacement.

[0038] In one embodiment, the mounting seat 22 is provided with a first slide rail 221, the first slide rail 221 extends along a first direction, the sliding seat 3121 is provided with a first slider 3121a, the first slider 3121a slides with the first slide rail 221, and the rod mechanism 3 further includes a second driving component 313, the second driving component 313 is connected to the sliding seat 3121, and the second driving component 313 is used to drive the first slider 3121a to slide relative to the first slide rail 221 along the first direction; specifically, in order to realize the sliding seat 3121 and the mounting seat 22, the first slider 3121a is provided with a first slider 3121a, and the first slider 3121a is slidably matched with the first slide rail 221. The mounting seat 22 is slidingly matched, a first slide rail 221 is arranged on the mounting seat 22, and a first slider 3121a is arranged on the sliding seat 3121. The first slider 3121a is driven by the second driving component 313 to slide relative to the first slide rail 221 in the left and right directions to realize the relative sliding of the sliding seat 3121 and the mounting seat 22. The structure is simple and the sliding is stable, which can meet the use requirements. In this embodiment, the structure of the first slide rail 221 and the first slider 3121a can be realized by the linear guide rail in the prior art.

[0039] In one embodiment, the mounting seat 22 is further provided with a rack 222, the rack 222 extends along the first direction, the second driving assembly 313 includes a second motor 3131 and a second gear 3132, the second motor 3131 is connected to the sliding seat 3121, the output end of the second motor 3131 is connected to the second gear 3132, the second gear 3132 is meshed with the rack 222, and the second motor 3131 drives the second gear 3132 to rotate relative to the rack 222 so that the first slider 3121a slides relative to the first slide rail 221 along the first direction; specifically, in order to enable the second driving assembly 313 to drive the first slider 3121a to slide relative to the first slide rail 221 in the left and right directions, the second driving assembly 313 Component 313 includes a second motor 3131 and a second gear 3132. The second motor 3131 is connected to the sliding seat 3121. The output end of the second motor 3131 is connected to the second gear 3132. The second gear 3132 can be rotated forward or reversed relative to the rack 222 by the forward and reverse rotation of the second motor 3131, thereby driving the first slider 3121a to slide back and forth in the left and right directions relative to the first slide rail 221, and then adjusting the position of the rod mechanism 3 relative to the mounting seat 22, which can expand the sampling area and realize random sampling at any position of the grain truck, thereby improving the randomness of the sampling. The power required by the second motor 3131 is relatively small, which can reduce the energy consumption and production cost of the multi-head synchronous sampling machine 100.

[0040] See also Figure 4In one embodiment, the lifting assembly 21 includes a mounting plate 211, a third driving assembly 212 and a symmetrically arranged scissor fork assembly 213, the mounting plate 211 is connected to the top plate 12, the scissor fork assembly 213 has a first end 2131, a second end 2132, a third end 2133 and a fourth end 2134, the first end 2131 is slidably connected to the mounting plate 211, the second end 2132 is rotatably connected to the mounting plate 211, the third end 2133 is slidably connected to the mounting seat 22, the fourth end 2134 is rotatably connected to the mounting seat 22, the third driving assembly 212 is connected to the mounting seat 22, the output end of the third driving assembly 212 is connected to the first end 2131, and the third driving assembly 212 is used to drive the first end 2131 to drive the third end 2133 to slide along the first direction; specifically, the third driving assembly 212 includes a third motor 2121 and a ball screw 2122, the third motor The machine 2121 and the ball screw 2122 are both connected to the mounting plate 211, the output end of the third motor 2121 is connected to the ball screw 2122, the nut of the ball screw 2122 is connected to the first end 2131 of the scissors fork assembly 213, a fourth slider 2131a is provided on the first end 2131, a fourth slide rail 2111 is provided on the mounting plate 211, the fourth slider 2131a is slidably connected to the fourth slide rail 2111, a slide groove 223 is also provided on the mounting seat 22, the fourth end 2134 can slide along the slide groove 223, the third motor 2121 drives the first end 2131 to slide relative to the mounting plate 211 along the left and right direction through the ball screw 2122, so that the third end 2133 also slides relative to the mounting seat 22 along the left and right direction, thereby realizing downward sampling; in this embodiment, the scissors fork assembly 213 is an existing structure, and its specific structure and function are no longer described in this embodiment.

[0041] According to an embodiment of the utility model, the lifting mechanism 2 can also use a four-axis lifting platform to implement the sampling work. The four-axis lifting platform is an existing structure, and this embodiment will no longer describe its specific structure and function.

[0042] In one embodiment, the plurality of rod mechanisms 3 are divided into a first rod group 31 and a second rod group 32, the first rod group 31 and the second rod group 32 are relatively arranged on both sides of the mounting seat 22 along the second direction, and the first rod group 31 and the second rod group 32 each include at least one rod mechanism 3; specifically, the second direction is the front-to-back direction, the first rod group 31 and the second rod group 32 are relatively arranged on both sides of the mounting seat 22 along the front-to-back direction, and the first rod group 31 and the second rod group 32 each include at least one rod mechanism 3. In this embodiment, the length of the second portion 3123b of the rotating arm 3123 is 750 mm, and the width of the mounting seat 22 is 1500 mm. Through the rotating mechanism, the picket rod 311 can randomly sample within the width range of 3000mm of the grain truck, covering all types of grain trucks, realizing full coverage random sampling in the width direction of the grain truck, ensuring the accuracy of grain detection, that is, expanding the sampling area, improving the randomness of sampling, and expanding the scope of application of the multi-head synchronous sampling machine 100; in addition, the number of picket rod mechanisms 3, the width of the mounting seat 22 and the length of the second part 3123b of the rotating arm 3123 can be changed according to the type and needs of the grain truck to meet the sampling operations required by the length and width range of the grain truck, which not only expands the sampling area, but also improves the randomness, accuracy and work efficiency of sampling.

[0043] See also Figure 6 In one embodiment, the multi-head synchronous sampling machine 100 also includes a laser radar mechanism 4, which includes a connecting rod 41, a locking block 42 and a laser radar 43. The connecting rod 41 is connected to the frame body 11, the locking block 42 is slidably connected to the connecting rod 41, and the laser radar 43 is hinged to the locking block 42; specifically, the laser radar 43 is used to scan the grain truck to obtain an image, determine the vehicle position and the sampling area through image processing, and then randomly establish the sampling point position coordinates, wherein the laser radar 43 is hinged to the locking block 42, that is, the laser radar 43 can rotate relative to the locking block 42. The laser radar 43 can be adjusted by moving, and the locking block 42 is slidably connected to the connecting rod 41, that is, the height of the laser radar 43 can be adjusted by adjusting the relative position of the locking block 42 and the connecting rod 41. By adjusting the height position and rotation direction of the laser radar 43, the laser radar 43 can obtain accurate grain truck images when scanning grain trucks of different models, thereby establishing more accurate sampling point position coordinates, which is convenient for the multi-head synchronous sampling machine 100 to move to the sampling point position coordinates for sampling, without manual assistance in selecting the sampling points, with a high degree of automation and higher randomness of sampling.

[0044] In one embodiment, there are multiple laser radar mechanisms 4, and the multiple laser radar mechanisms 4 are arranged at intervals; specifically, in order to enable the laser radar mechanism 4 to obtain more accurate and comprehensive images when scanning grain trucks of all models in the market, the multiple laser radar mechanisms 4 are arranged at intervals on the frame body 11. By scanning the grain trucks with multiple laser radar mechanisms 4, images of the two sides and the rear end of the grain truck can be obtained, making the image data of the grain truck more accurate and comprehensive. It can not only be applicable to grain trucks of various models, improve the adaptability of the multi-head synchronous sampling machine 100, but also expand the sampling area and improve the randomness of the sampling.

[0045] In one embodiment, a third slide rail 111 is provided on the frame body 11, and a third slider 121 is provided on the top plate 12, and the third slider 121 slides in cooperation with the third slide rail 111; specifically, in order to achieve the sliding cooperation between the top plate 12 and the frame body 11, a third slide rail 111 is provided on the frame body 11, and a third slider 121 is provided on the top plate 12, and the relative sliding of the top plate 12 and the frame body 11 is achieved through the sliding cooperation between the third slider 121 and the third slide rail 111, which has a simple structure and stable sliding, and can meet the use requirements; in this embodiment, the structure of the third slide rail 111 and the third slider 121 can be achieved by using the linear guide rail in the prior art.

[0046] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A multi-head synchronous sampling machine, characterized in that: The multi-head synchronous sampling machine comprises: A frame, the frame comprising a frame body and a top plate, the frame body and the top plate are slidably matched, and the top plate can slide relative to the frame body along a first direction; A lifting mechanism, the lifting mechanism comprising a lifting assembly and a mounting seat, one end of the lifting assembly is connected to the top plate, the other end of the lifting assembly is connected to the mounting seat, and the lifting assembly is used to drive the mounting seat to reciprocate in the vertical direction; A rod insertion mechanism, the rod insertion mechanism includes a rotating component and a rod, the rotating component includes a sliding seat, a first driving component and a rotating arm, the sliding seat is slidably matched with the mounting seat, the sliding seat can slide relative to the mounting seat along the first direction, the first driving component is connected to the sliding seat, the first driving component is transmission-connected to the rotating arm, the end of the rotating arm away from the first driving component is connected to the rod, so that the first driving component can drive the rod to rotate through the rotating arm, the rotating axis of the first driving component and the rotating axis of the rod are not colinearly arranged, the number of the rod insertion mechanisms is multiple, and the multiple rod insertion mechanisms are arranged at intervals.

2. The multi-head synchronous sampling machine according to claim 1, characterized in that: The first driving assembly includes a first motor, a first gear and a slewing bearing, the first motor is connected to the sliding seat, the output end of the first motor is connected to the first gear, the first gear is meshed with the slewing bearing, and the slewing bearing is connected to the rotating arm, so that the first motor can drive the rod to rotate through the first gear, the slewing bearing and the rotating arm.

3. The multi-head synchronous sampling machine according to claim 2, characterized in that: The rotating arm comprises a first part and a second part connected to each other, wherein the first part and the second part are vertically arranged, an end of the first part away from the second part is connected to the slewing bearing, and an end of the second part away from the first part is detachably connected to the rod.

4. The multi-head synchronous sampling machine according to claim 1, characterized in that: The mounting seat is provided with a first slide rail, which extends along the first direction. The sliding seat is provided with a first slider, which slides in cooperation with the first slide rail. The rod mechanism also includes a second drive component, which is connected to the sliding seat and is used to drive the first slider to slide in the first direction relative to the first slide rail.

5. The multi-head synchronous sampling machine according to claim 4, characterized in that: The mounting seat is also provided with a rack, and the rack extends along the first direction. The second driving assembly includes a second motor and a second gear. The second motor is connected to the sliding seat, and the output end of the second motor is connected to the second gear, and the second gear is meshed with the rack. The second motor drives the second gear to rotate relative to the rack so that the first slider slides relative to the first slide rail along the first direction.

6. The multi-head synchronous sampling machine according to claim 1, characterized in that: The lifting assembly includes a mounting plate, a third driving assembly and a symmetrically arranged scissor fork assembly, wherein the mounting plate is connected to the top plate, and the scissor fork assembly has a first end, a second end, a third end and a fourth end, wherein the first end is slidably connected to the mounting plate, the second end is rotatably connected to the mounting plate, the third end is slidably connected to the mounting seat, the fourth end is rotatably connected to the mounting seat, the third driving assembly is connected to the mounting seat, the output end of the third driving assembly is connected to the first end, and the third driving assembly is used to drive the first end to drive the third end to slide along the first direction.

7. The multi-head synchronous sampling machine according to any one of claims 1 to 6, characterized in that: The plurality of rod mechanisms are divided into a first rod group and a second rod group. The first rod group and the second rod group are relatively arranged on both sides of the mounting seat along the second direction. The first rod group and the second rod group each include at least one rod mechanism.

8. The multi-head synchronous sampling machine according to any one of claims 1 to 6, characterized in that: The multi-head synchronous sampling machine also includes a laser radar mechanism, which includes a connecting rod, a locking block and a laser radar. The connecting rod is connected to the frame body, the locking block is slidably connected to the connecting rod, and the laser radar is hinged to the locking block.

9. The multi-head synchronous sampling machine according to claim 8, characterized in that: There are multiple laser radar mechanisms, and the multiple laser radar mechanisms are arranged at intervals.

10. The multi-head synchronous sampling machine according to any one of claims 1 to 6, characterized in that: The frame body is provided with a third slide rail, the top plate is provided with a third slider, and the third slider is slidably matched with the third slide rail.

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