Auxiliary device for coal yard sampling

Abstract

The present application relates to the technical field of coal yard supplies, and discloses an auxiliary device for coal yard sampling, which comprises a crushing assembly, a screening assembly and a cleaning assembly.The crushing assembly comprises a processing cylinder, a mounting frame fixedly connected to the inner wall of the processing cylinder, a first crushing piece arranged in the processing cylinder, a second crushing piece arranged in the processing cylinder, and a cleaning piece arranged on one side of the mounting frame.The screening assembly comprises a collecting box fixedly installed at the bottom end of the processing cylinder, a mesh plate movably arranged in the collecting box, and a reciprocating piece arranged below the mesh plate.The cleaning piece cooperates with the mesh plate and the reciprocating piece.The first crushing roller and the second crushing roller can move axially to grind the crushed coal blocks while rotating to crush the coal blocks, so that the crushing efficiency is high.The cleaning piece rotates around the periphery of the first crushing roller and the second crushing roller while crushing, which can clean the coal blocks at the corners, scatter the coal blocks in the processing cylinder to assist crushing, and provide power for the mesh plate vibrating screen.

Description

Technical Field

[0001] This invention relates to the field of coal yard supplies technology, and in particular to an auxiliary device for coal yard sampling. Background Technology

[0002] To test coal quality, workers take samples. These samples are usually not tested directly; they need to be crushed and screened before being sent to testing equipment. However, some existing equipment, during the crushing process, leaves some coal lumps stuck in the corners and edges that cannot be crushed. Furthermore, in some equipment, the crushing and screening components separate, requiring the coal that fails screening to be returned to the crushing unit for secondary crushing. Both the corner lumps and the unscreened lumps necessitate further intervention from workers, undoubtedly increasing the time cost of sampling and testing. Summary of the Invention

[0003] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0004] In view of the problems existing in the above or prior art, the present invention is proposed.

[0005] Therefore, the object of the present invention is to provide an auxiliary device for coal yard sampling.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an auxiliary device for coal yard sampling, comprising a crushing component, including a processing cylinder, a mounting frame fixedly connected to the inner wall of the processing cylinder, a first crushing component and a second crushing component disposed inside the processing cylinder, and a cleaning component disposed on one side of the mounting frame, wherein the first crushing component and the second crushing component cooperate, and the cleaning component is disposed on the outer periphery of the first crushing component and the second crushing component; and a screening component, including a collection box fixedly installed at the bottom end of the processing cylinder, a screen plate movably disposed inside the collection box, and a reciprocating component disposed below the screen plate, wherein the cleaning component cooperates with the screen plate and the reciprocating component.

[0007] As a preferred embodiment of the auxiliary device for coal yard sampling described in this invention, the first crushing component includes a housing fixedly installed on one side of the processing cylinder, a motor fixedly connected to the housing, a first transmission shaft fixedly connected to the output shaft of the motor, and a first crushing roller fixedly connected to the outer periphery of the first transmission shaft. The first transmission shaft passes through the mounting frame and is rotatably connected to it.

[0008] As a preferred embodiment of the auxiliary device for coal yard sampling described in this invention, the second crushing component includes a second drive shaft rotatably connected to the processing cylinder, a plurality of shafts fixedly connected to the outer periphery of the second drive shaft, and a second crushing roller slidably disposed on the outer periphery of the shafts. The second crushing roller is adapted to the first crushing roller. The outer periphery of both the first drive shaft and the second rotating shaft is fixedly connected with a power gear, and the two power gears are meshed together.

[0009] As a preferred embodiment of the auxiliary device for coal yard sampling described in this invention, the second crushing component further includes an annular plate and a push rod disposed on both sides of the second crushing roller, a return spring surrounding the outer periphery of the second transmission shaft, a circular plate rotatably mounted on one side of the processing cylinder, and a linkage rod hinged to one side of the push rod. A connecting block is eccentrically connected to the side of the circular plate, and the end of the linkage rod away from the push rod is hinged to the connecting block. The push rod passes through the processing cylinder and is slidably connected to it.

[0010] As a preferred embodiment of the auxiliary device for coal yard sampling described in this invention, the first drive shaft extends to the outside of the processing cylinder at one end away from the motor and is fixedly connected to the circular plate. The ring plate and the return spring are both arranged around the outer periphery of the second drive shaft. The two ends of the return spring are fixedly connected to the inner wall of the ring plate and the processing cylinder, respectively. The mounting frame has a through hole for the second crushing roller to pass through, and the ring plate and the return spring are both located inside the through hole.

[0011] As a preferred embodiment of the auxiliary device for coal yard sampling described in this invention, the cleaning component includes a first transmission gear fixedly connected to the outer periphery of the first transmission shaft, a second transmission gear meshing with the first transmission gear, an internal gear ring rotatably installed inside the mounting frame, a ring fixedly connected to one side of the internal gear ring, and a cleaning plate fixedly connected to one side of the ring. The second transmission gear is rotatably installed inside the mounting frame and meshes with the internal gear ring.

[0012] As a preferred embodiment of the auxiliary device for coal yard sampling described in this invention, the reciprocating component includes a support block fixedly connected to the side of the mesh plate, a support rod passing through the support block and slidably connected thereto, and a support spring fixedly connected to the bottom end of the support block. The inner wall of the collection box is provided with a reset groove to accommodate the support rod, the support block and the support spring. The end of the support spring away from the support block is fixedly connected to the inner wall of the reset groove.

[0013] As a preferred embodiment of the auxiliary device for coal yard sampling described in this invention, the reciprocating component further includes an auxiliary rod rotatably connected to the inner wall of the collection box, a transmission rod hinged between the auxiliary rod and the support block, an auxiliary plate fixedly connected to one end of the auxiliary rod, brushes fixedly connected to both sides of the auxiliary plate, and an auxiliary spring fixedly connected to the auxiliary rod. The end of the auxiliary spring away from the auxiliary rod is fixedly connected to the inner wall of the collection box, and the auxiliary plate is supported at the bottom end of the mesh plate.

[0014] As a preferred embodiment of the auxiliary device for coal yard sampling described in this invention, the top of the processing cylinder is equipped with a sealing cover, the side of the collection box is equipped with a collection box, the axial cross-section of the processing cylinder is fan-shaped, the bottom plane of the processing cylinder is connected to the collection box, and the mesh plate is located at the connection between the two.

[0015] As a preferred embodiment of the auxiliary device for coal yard sampling described in this invention, the mounting frame is configured as a circular plate structure, and the mounting frame and the processing cylinder are concentrically arranged. A stabilizing block is fixedly connected to the end of the cleaning plate away from the circular ring, and a sliding groove is provided on the inner wall of the processing cylinder to slide in connection with the stabilizing block.

[0016] The beneficial effects of the present invention are as follows: By setting the first crushing component and the second crushing component, the present invention enables the first crushing roller and the second crushing roller to rotate and crush the sampled coal. Furthermore, the first crushing roller and the second crushing roller move accordingly along their respective axial directions during the rotation process. That is, while the first crushing roller and the second crushing roller are rotating and crushing the coal block, they can also move axially to grind and crush the coal block, which is beneficial to improving the overall crushing efficiency.

[0017] The cleaning component is rotated and arranged around the outer periphery of the first and second crushing rollers. During the crushing process, the cleaning component can not only automatically clean the coal blocks at the corners inside the processing cylinder, so that the coal at the corners is crushed, but also break up the coal blocks inside the processing cylinder, so as to avoid the coal blocks accumulating in a certain position and causing excessive crushing pressure at that position. In addition, the cleaning component matches the reciprocating component during rotation, driving the screen plate to vibrate up and down to screen the coal blocks.

[0018] The reciprocating components can not only work with the cleaning components to vibrate the screen plate vertically, but also move laterally relative to the screen plate to automatically clean it and prevent clogging. The crushing and screening components are arranged side by side, allowing the coal to be crushed during the crushing process. Coal that does not meet the screening requirements will be continuously crushed by the crushing components until it meets the screening requirements, without the need for secondary intervention by the staff, which is convenient for practical use. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0020] Figure 1 This is a schematic diagram of the structure of the present invention.

[0021] Figure 2 For the present invention Figure 1 Sectional view at point AA.

[0022] Figure 3 For the present invention Figure 1 Sectional view at point BB.

[0023] Figure 4 This is a schematic diagram of the structure when the mounting bracket and the processing cylinder of the present invention are connected.

[0024] Figure 5 This is a structural diagram of the cleaning component of the present invention in a disassembled state.

[0025] Figure 6 This is a structural schematic diagram of the first broken component of the present invention in its disassembled state.

[0026] Figure 7 This is a structural schematic diagram of the second crushing component of the present invention in its disassembled state.

[0027] Figure 8 This is a partial cross-sectional view of the mounting bracket and processing cylinder of the present invention.

[0028] Figure 9 For the present invention Figure 3 Enlarged view of the C-structure. Detailed Implementation

[0029] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0030] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0031] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0032] Example 1

[0033] Reference Figure 1 , 2 3, 6, 7, and 8 are the first embodiment of the present invention. This embodiment provides an auxiliary device for coal yard sampling, which includes a crushing component 100 and a screening component 200. The crushing component 100 includes a processing cylinder 101, a mounting frame 102 fixedly connected to the inner wall of the processing cylinder 101, a first crushing component 103 and a second crushing component 104 disposed inside the processing cylinder 101, and a cleaning component 105 disposed on one side of the mounting frame 102. The first crushing component 103 cooperates with the second crushing component 104, and the cleaning component 105 is disposed on the outer periphery of the first crushing component 103 and the second crushing component 104. The cleaning component 105 can rotate around the outer periphery of the first crushing component 103 and the second crushing component 104 to automatically clean the coal blocks at the corners of the processing cylinder 101.

[0034] Specifically, the screening assembly 200 includes a collection box 201 fixedly installed at the bottom of the processing cylinder 101, a screen plate 202 movably disposed inside the collection box 201, and a reciprocating component 203 disposed below the screen plate 202. The cleaning component 105 cooperates with the screen plate 202 and the reciprocating component 203.

[0035] Specifically, the first crushing component 103 includes a housing 103a fixedly installed on one side of the processing cylinder 101, a motor 103b fixedly connected to the housing 103a, a first transmission shaft 103c fixedly connected to the output shaft of the motor 103b, and a first crushing roller 103d fixedly connected to the outer periphery of the first transmission shaft 103c. The first transmission shaft 103c passes through the mounting frame 102 and is rotatably connected thereto. The motor 103b is configured as a reducer motor with a speed reducer.

[0036] Specifically, the second crushing component 104 includes a second drive shaft 104a rotatably connected to the processing cylinder 101, a plurality of shafts 104b fixedly connected to the outer periphery of the second drive shaft 104a, and a second crushing roller 104c slidably disposed on the outer periphery of the shafts 104b. The second crushing roller 104c is adapted to the first crushing roller 103d. The inner ring wall of the second crushing roller 104c is provided with a groove adapted to the shafts 104b. The arrangement of the shafts 104b and the grooves allows the second drive shaft 104a to drive the second crushing roller 104c to rotate synchronously with it, and also allows the second crushing roller 104c to move along the axial direction of the second drive shaft 104a. The outer periphery of both the first drive shaft 103c and the second drive shaft is fixedly connected to a power gear 104d, and the two power gears 104d are meshed and rotate in opposite directions, so that the second crushing roller 104c and the first crushing roller 103d can rotate in opposite directions to crush coal blocks.

[0037] Specifically, the second crushing component 104 also includes an annular plate 104e and a push rod 104f disposed on both sides of the second crushing roller 104c, a return spring 104g surrounding the outer periphery of the second transmission shaft 104a, a circular plate 104h rotatably mounted on one side of the processing cylinder 101, and a linkage rod 104i hinged to one side of the push rod 104f. Neither the annular plate 104e nor the push rod 104f is fixedly connected to the second crushing roller 104c. A connecting block 104h-1 is eccentrically connected to the side of the circular plate 104h. The end of the linkage rod 104i away from the push rod 104f is hinged to the connecting block 104h-1. The push rod 104f passes through the processing cylinder 101 and is slidably connected to it.

[0038] Furthermore, the end of the first drive shaft 103c away from the motor 103b extends to the outside of the processing cylinder 101 and is fixedly connected to the circular plate 104h. The ring plate 104e and the return spring 104g are both arranged around the outer periphery of the second drive shaft 104a. The two ends of the return spring 104g are fixedly connected to the ring plate 104e and the inner wall of the processing cylinder 101, respectively. The mounting bracket 102 has a through hole for the second crushing roller 104c to pass through, and the ring plate 104e and the return spring 104g are both located inside the through hole. When the return spring 104g is compressed by force, the second crushing roller 104c can partially extend into the inside of the through hole.

[0039] Furthermore, a sealing cover 101a is installed at the top of the processing cylinder 101. When the sealing cover 101a is opened, sampled coal blocks can be poured into the processing cylinder 101. When the sealing cover 101a is closed, it can prevent dust from the sampled coal from overflowing during the processing. A collection box 201a is installed on the side of the collection box 201. The collection box 201a is slidably connected to the collection box 201 to facilitate the collection of the sampled coal after screening.

[0040] In operation, motor 103b drives the first transmission shaft 103c to rotate, which in turn drives the first crushing roller 103d to rotate. Because the two power gears 104d are meshed, the second transmission shaft 104a drives the second crushing roller 104c to rotate, causing the first crushing roller 103d and the second crushing roller 104c to rotate in opposite directions and crush the coal. Simultaneously, the rotation of the first transmission shaft 103c drives the circular plate 104h to rotate synchronously. The rotation of the circular plate 104h causes the linkage rod 104i to move back and forth with the push rod 104f. When the push rod 104f rotates towards the processing cylinder 101, it presses against the second crushing roller 104c. When the f rotates away from the processing cylinder 101, the reset spring 104g returns to its original length, causing the second crushing roller 104c to reset. This causes the second crushing roller 104c to move relative to the first crushing roller 103d while rotating. That is, while the second crushing roller 104c and the first crushing roller 103d rotate to crush coal blocks, they reciprocate to grind the coal blocks. At the same time, the rotation of the first drive shaft 103c drives the cleaning component 105 to rotate, so that the cleaning component 105 automatically cleans the coal blocks at the corners of the processing cylinder 101. The cleaning component 105 intermittently presses the screen plate 202 downward, and the reciprocating component 203 causes the screen plate 202 to reset upward, thereby causing the screen plate 202 to vibrate and screen the coal blocks.

[0041] Example 2

[0042] Reference Figure 2 , 4 5 and 8 are the second embodiment of the present invention, which is based on the previous embodiment: the cleaning component 105 includes a first transmission gear 105a fixedly connected to the outer periphery of the first transmission shaft 103c, a second transmission gear 105b meshing with the first transmission gear 105a, an internal gear ring 105c rotatably installed inside the mounting bracket 102, a ring 105d fixedly connected to one side of the internal gear ring 105c, and a cleaning plate 105e fixedly connected to one side of the ring 105d. The second transmission gear 105b is rotatably installed inside the mounting bracket 102 and meshes with the internal gear ring 105c. Both the first transmission gear 105a and the second transmission gear 105b are located inside the internal gear ring 105c.

[0043] Preferably, the axial cross-section of the processing cylinder 101 is fan-shaped, the bottom plane of the processing cylinder 101 is connected to the collection box 201, and the screen plate 202 is located at the connection between the two. Due to the shape of the processing cylinder 101 and the position of the screen plate 202, when the cleaning plate 105e rotates to contact the screen plate 202, it squeezes the screen plate 202 downward, providing the power for the screen plate 202 to vibrate and screen.

[0044] Preferably, the mounting frame 102 is configured as a circular plate structure, and the mounting frame 102 is concentrically arranged with the processing cylinder 101. A stabilizing block 105e-1 is fixedly connected to the end of the cleaning plate 105e away from the ring 105d. A sliding groove 101b is provided on the inner wall of the processing cylinder 101, which is slidably connected to the stabilizing block 105e-1. The arrangement of the stabilizing block 105e-1 and the sliding groove 101b can enhance the stability of the cleaning plate 105e when it rotates.

[0045] In use, the first drive shaft 103c drives the first drive gear 105a to rotate, the first drive gear 105a drives the second drive gear 105b to rotate, the second drive gear 105b drives the inner gear ring 105c to rotate, and the ring 105d and the inner gear ring 105c rotate synchronously, thereby causing the cleaning plate 105e to rotate around the outer circumference of the first crushing roller 103d and the second crushing roller 104c. When the cleaning plate 105e rotates, it drives the coal blocks inside the processing cylinder 101 to rotate, breaking up the coal blocks that are joined together, so that the first crushing roller 103d and the second crushing roller 104c crush the coal blocks evenly. On the other hand, it stirs the coal blocks at the corners of the processing cylinder 101. When the cleaning plate 105e rotates to contact the screen plate 202, it squeezes the screen plate 202 downward, providing the power for the screen plate 202 to move downward. The reciprocating part 203 provides the power for the screen plate 202 to move upward. When the ring 105d rotates, it causes the screen plate 202 to vibrate up and down to screen the coal blocks.

[0046] Example 3

[0047] Reference Figure 3 and 9 This is the third embodiment of the present invention, which is based on the first two embodiments: the reciprocating component 203 includes a support block 203a fixedly connected to the side of the mesh plate 202, a support rod 203b passing through the support block 203a and slidably connected thereto, and a support spring 203c fixedly connected to the bottom end of the support block 203a. The inner wall of the collection box 201 is provided with a reset groove to accommodate the support rod 203b, the support block 203a and the support spring 203c. One end of the support spring 203c away from the support block 203a is fixedly connected to the inner wall of the reset groove. Both ends of the support rod 203b are fixedly connected to the inner wall of the reset groove, and the support spring 203c is arranged around the outer periphery of the support rod 203b.

[0048] Furthermore, the reciprocating component 203 also includes an auxiliary rod 203d rotatably connected to the inner wall of the collection box 201, a transmission rod 203e hinged between the auxiliary rod 203d and the support block 203a, an auxiliary plate 203f fixedly connected to one end of the auxiliary rod 203d, brushes 203g fixedly connected to both sides of the auxiliary plate 203f, and an auxiliary spring 203h fixedly connected to the auxiliary rod 203d. The end of the auxiliary spring 203h away from the auxiliary rod 203d is fixedly connected to the inner wall of the collection box 201. The auxiliary plate 203f is supported at the bottom of the mesh plate 202. The transmission rod 203e can enhance the structural stability between the support block 203a and the auxiliary rod 203d.

[0049] During use, the screen plate 202 moves downward under the force of the cleaning plate 105e, causing the support block 203a to move downward simultaneously. The support spring 203c contracts under force. As the support block 203a moves downward, it drives the auxiliary rod 203d to rotate via the transmission rod 203e. The auxiliary spring 203h also contracts under force. During the rotation of the auxiliary rod 203d, the auxiliary plate 203f moves relative to the screen plate 202, causing the brush 203g to automatically clean the screen plate 202. When the cleaning plate 105e is not in contact with the screen plate 202, the force on the screen plate 202 disappears. The support spring 203c and the auxiliary spring 203h provide the force for the screen plate 202 to move upward, thus causing the screen plate 202 to vibrate up and down. Similarly, during the upward movement of the screen plate 202, the auxiliary plate 203 continues to move relative to the screen plate 202, causing the brush 203g to automatically clean the screen plate 202 in the opposite direction. That is, during the up-and-down vibration of the screen plate 202, the brush 203g automatically cleans the screen plate 202 laterally.

[0050] In summary, while the crushing component 100 crushes the sampled coal, the screening component 200 screens the sampled coal. Sampled coal that does not yet meet the qualification standard remains at the top of the screen plate 202 until the first crushing roller 103d and the second crushing roller 104c crush it to the required standard. When the motor 103b is turned on, it drives the first drive shaft 103c to rotate. The first drive shaft 103c drives the first crushing roller 103d to rotate. Because the two power gears 104d are meshed, the second drive shaft 104a drives the second crushing roller 104c to rotate. This causes the first crushing roller 103d and the second crushing roller 104c to rotate in opposite directions, crushing the coal blocks. During the rotation of the crushing roller 103d and the second crushing roller 104c, the arrangement of the circular plate 104h, the linkage rod 104i, the push rod 104f, the return spring 104g, and the ring plate 104e causes the second crushing roller 104c and the first crushing roller 103d to move relative to each other and grind the coal blocks. The first drive shaft 103c drives the first drive gear 105a to rotate, the first drive gear 105a drives the second drive gear 105b to rotate, and the second drive gear 105b drives the inner gear ring 105c to rotate. The ring 105d and the inner gear ring 105c keep rotating synchronously, thereby causing the cleaning plate 105e to rotate around the outer circumference of the first crushing roller 103d and the second crushing roller 104c. When the cleaning plate 105e rotates, it drives the coal blocks inside the processing cylinder 101 to rotate, breaking up the coal blocks that are joined together, so that the first crushing roller 103d and the second crushing roller 104c crush the coal blocks evenly. On the other hand, it stirs the coal blocks at the corners of the processing cylinder 101. When the cleaning plate 105e rotates to contact the screen plate 202, it squeezes the screen plate 202 downward, providing the power for the screen plate 202 to move downward. The downward movement of the screen plate 202 under the force of the cleaning plate 105e causes the support block 203a to move downward synchronously. The support spring 203c is compressed by the force. At the same time as the support block 203a moves downward, it drives the auxiliary rod 203d to rotate through the transmission rod 203e. 03h is also under force and contracts. During the rotation of the auxiliary rod 203d, the auxiliary plate 203f moves relative to the mesh plate 202, causing the brush 203g to automatically clean the mesh plate 202. When the cleaning plate 105e is not in contact with the mesh plate 202, the force on the mesh plate 202 disappears. The support spring 203c and the auxiliary spring 203h provide the force for the mesh plate 202 to move upward, thereby causing the mesh plate 202 to vibrate up and down. Similarly, during the upward movement of the mesh plate 202, the auxiliary plate 203 still moves relative to the mesh plate 202, causing the brush 203g to automatically clean the mesh plate 202 in the opposite direction. That is, during the up and down vibration of the mesh plate 202, the brush 203g automatically cleans the mesh plate 202 laterally.

[0051] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the invention. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structurally equivalent but also equivalent in structure. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0052] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the invention as currently considered, or those features that are not relevant to implementing the invention) may be omitted.

[0053] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0054] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. An auxiliary device for coal yard sampling, characterized in that: include, The crushing assembly (100) includes a processing cylinder (101), a mounting bracket (102) fixedly connected to the inner wall of the processing cylinder (101), a first crushing component (103) and a second crushing component (104) disposed inside the processing cylinder (101), and a cleaning component (105) disposed on one side of the mounting bracket (102). The first crushing component (103) cooperates with the second crushing component (104), and the cleaning component (105) is disposed on the outer periphery of the first crushing component (103) and the second crushing component (104). The screening assembly (200) includes a collection box (201) fixedly installed at the bottom of the processing cylinder (101), a screen plate (202) movably installed inside the collection box (201), and a reciprocating component (203) installed below the screen plate (202). The cleaning component (105) cooperates with the screen plate (202) and the reciprocating component (203). The reciprocating component (203) includes a support block (203a) fixedly connected to the side of the mesh plate (202), a support rod (203b) passing through the support block (203a) and slidably connected thereto, and a support spring (203c) fixedly connected to the bottom end of the support block (203a). The inner wall of the collection box (201) is provided with a reset groove to accommodate the support rod (203b), the support block (203a) and the support spring (203c). The end of the support spring (203c) away from the support block (203a) is fixedly connected to the inner wall of the reset groove. The reciprocating component (203) further includes an auxiliary rod (203d) rotatably connected to the inner wall of the collection box (201), a transmission rod (203e) hinged between the auxiliary rod (203d) and the support block (203a), an auxiliary plate (203f) fixedly connected to one end of the auxiliary rod (203d), brushes (203g) fixedly connected to both sides of the auxiliary plate (203f), and an auxiliary spring (203h) fixedly connected to the auxiliary rod (203d). The end of the auxiliary spring (203h) away from the auxiliary rod (203d) is fixedly connected to the inner wall of the collection box (201), and the auxiliary plate (203f) is supported at the bottom of the mesh plate (202). The reciprocating component can not only work with the cleaning component to vibrate the screen plate up and down, but also move laterally relative to the screen plate to automatically clean the screen plate and prevent it from getting clogged.

2. The auxiliary device for coal yard sampling as described in claim 1, characterized in that: The first crushing component (103) includes a housing (103a) fixedly installed on one side of the processing cylinder (101), a motor (103b) fixedly connected to the housing (103a), a first transmission shaft (103c) fixedly connected to the output shaft of the motor (103b), and a first crushing roller (103d) fixedly connected to the outer periphery of the first transmission shaft (103c). The first transmission shaft (103c) passes through the mounting frame (102) and is rotatably connected to it.

3. The auxiliary device for coal yard sampling as described in claim 2, characterized in that: The second crushing component (104) includes a second drive shaft (104a) rotatably connected to the processing cylinder (101), a plurality of shafts (104b) fixedly connected to the outer periphery of the second drive shaft (104a), and a second crushing roller (104c) slidably disposed on the outer periphery of the shafts (104b). The second crushing roller (104c) is adapted to the first crushing roller (103d). The outer periphery of both the first drive shaft (103c) and the second drive shaft is fixedly connected to a power gear (104d), and the two power gears (104d) are meshed.

4. The auxiliary device for coal yard sampling as described in claim 3, characterized in that: The second crushing component (104) also includes annular plates (104e) and push rods (104f) disposed on both sides of the second crushing roller (104c), a return spring (104g) surrounding the outer periphery of the second transmission shaft (104a), a circular plate (104h) rotatably mounted on one side of the processing cylinder (101), and a linkage rod (104i) hinged to one side of the push rod (104f). A connecting block (104h-1) is eccentrically connected to the side of the circular plate (104h), and the end of the linkage rod (104i) away from the push rod (104f) is hinged to the connecting block (104h-1). The push rod (104f) passes through the processing cylinder (101) and is slidably connected to it.

5. The auxiliary device for coal yard sampling as described in claim 4, characterized in that: The first drive shaft (103c) extends to the outside of the processing cylinder (101) at one end away from the motor (103b) and is fixedly connected to the circular plate (104h). The ring plate (104e) and the return spring (104g) are both arranged around the outer periphery of the second drive shaft (104a). The two ends of the return spring (104g) are fixedly connected to the inner wall of the ring plate (104e) and the processing cylinder (101) respectively. The mounting bracket (102) has a through hole for the second crushing roller (104c) to pass through, and the ring plate (104e) and the return spring (104g) are both located inside the through hole.

6. The auxiliary device for coal yard sampling as described in claim 5, characterized in that: The cleaning component (105) includes a first transmission gear (105a) fixedly connected to the outer periphery of the first transmission shaft (103c), a second transmission gear (105b) meshing with the first transmission gear (105a), an internal gear ring (105c) rotatably mounted inside the mounting bracket (102), a ring (105d) fixedly connected to one side of the internal gear ring (105c), and a cleaning plate (105e) fixedly connected to one side of the ring (105d). The second transmission gear (105b) is rotatably mounted inside the mounting bracket (102), and the second transmission gear (105b) meshes with the internal gear ring (105c).

7. The auxiliary device for coal yard sampling as described in claim 1 or 5, characterized in that: The top of the processing cylinder (101) is fitted with a sealing cap (101a), and the side of the collection box (201) is fitted with a collection box (201a). The axial cross-section of the processing cylinder (101) is fan-shaped. The bottom plane of the processing cylinder (101) is connected to the collection box (201), and the mesh plate (202) is located at the connection between the two.

8. The auxiliary device for coal yard sampling as described in claim 6, characterized in that: The mounting bracket (102) is configured as a circular plate structure, and the mounting bracket (102) and the processing cylinder (101) are concentrically arranged. The cleaning plate (105e) is fixedly connected to a stabilizing block (105e-1) at one end away from the ring (105d). The inner wall of the processing cylinder (101) is provided with a sliding groove (101b) that is slidably connected to the stabilizing block (105e-1).

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