Rock-soil sample crushing device

Abstract

A rock and soil sample crushing device comprises a mounting shell, a crushing device, a screen and a grinding device are sequentially arranged in the mounting shell from top to bottom, the screen is obliquely arranged in the mounting shell, and a discharging opening is formed in the position, corresponding to the lowest end of the screen, of the mounting shell. Guide grooves are symmetrically formed in the mounting shell with the center as the center, cleaning assemblies for cleaning the screen are slidably arranged in the guide grooves and comprise cleaning rollers slidably arranged in the guide grooves through rotating shafts, connecting blocks are arranged on the rotating shafts at the two ends of the cleaning rollers, fixing blocks are arranged at the two ends of the guide grooves, and a screw is rotationally arranged between the two fixing blocks. The screw rod is in threaded connection with the connecting block, and the fourth motor is arranged on one side of the mounting shell and connected with the screw rod. The cleaning assembly is arranged, the cleaning assembly can jack up rock and soil clamped on the screen, the jacked rock and soil roll down towards the discharging port along the screen, and therefore the purpose of cleaning the screen is achieved, the rock and soil are prevented from being clamped on the screen, and the screening efficiency of the screen on the rock and soil is prevented from being reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of geotechnical sample processing, especially relates to a geotechnical sample crushing device. BACKGROUND

[0002] The geotechnical sample usually refers to the sample collected from the geological environment, including rock, soil, sediment and the transition type (such as residual soil, weathered rock, etc.) among them. These samples can be derived from a variety of ways such as surface outcrop, drill core, exploration pit, shallow well or tunnel excavation, and are used for geological survey. In order to improve the analysis accuracy of the geotechnical, the geotechnical sample needs to be crushed. The current crushing device is to crush the geotechnical sample, and then screen it into different specifications of geotechnical through a screen. However, when the geotechnical sample is screened by the screen, part of the geotechnical will be stuck on the screen, causing the screen to be blocked and reducing the work efficiency. SUMMARY

[0003] The utility model aims at providing a geotechnical sample crushing device to solve the technical problems in the background.

[0004] To achieve the above purpose, the specific technical scheme of the geotechnical sample crushing device of the utility model is as follows:

[0005] A geotechnical sample crushing device, comprising a mounting shell, a crushing device, a screen and a grinding device are sequentially arranged in the mounting shell from top to bottom, the screen is arranged obliquely in the mounting shell, and a discharge port is opened on the mounting shell corresponding to the lowest end of the screen. A guide groove is symmetrically opened on the mounting shell with the center thereof, and a cleaning assembly for cleaning the screen is slidably arranged in the guide groove, the cleaning assembly comprises a cleaning roller slidably arranged in the guide groove through a rotating shaft, a connecting block is arranged on the rotating shaft at both ends of the cleaning roller, a fixed block is arranged at both ends of each guide groove, a screw is rotatably arranged between the two fixed blocks, the screw is threadedly connected with the connecting block, a fourth motor is arranged on one side of the mounting shell, and the fourth motor is connected with the screw.

[0006] Further, the lowest end of the screen and the inner wall of the mounting shell are rotatably arranged, a connecting plate is arranged at the highest end of the screen, a mounting groove is opened on the mounting shell for the movement of the connecting plate, and a reciprocating device is arranged on the mounting shell and matched with the connecting plate. The reciprocating device comprises a second motor arranged on the outer wall of the mounting shell, a cam is arranged on the output end of the second motor, and the cam is matched with the connecting plate for work.

[0007] Further, a limiting plate is arranged on the mounting shell, and a spring is arranged between the limiting plate and the connecting plate.

[0008] Further, the crushing device comprises a crushing roller rotatably arranged in the mounting shell through a rotating shaft, and the crushing roller is symmetrically arranged with the center of the mounting shell, a gear is arranged on the rotating shaft of each crushing roller, the two gears are engaged, a first motor is arranged on the outer wall of the mounting shell, and the rotating shaft of one of the crushing rollers is connected with the first motor.

[0009] Further, the grinding device comprises a receiving cylinder arranged in the mounting shell below the screen, and the bottom end of the receiving cylinder is communicated with the first grinding wheel.

[0010] Further, the mounting shell is provided with a supporting cylinder matched with the second grinding wheel, and the inner wall of the supporting cylinder is distributed with a plurality of protrusions, and the outer periphery of the second grinding wheel is distributed with a plurality of protrusions.

[0011] The rock-soil sample grinding device has the following advantages:

[0012] 1. The cleaning assembly can lift the rock-soil stuck on the screen, and the lifted gravel rolls down along the screen towards the discharge port, thereby achieving the purpose of cleaning the screen and preventing the rock-soil from being stuck on the screen.

[0013] 2. The reciprocating device can improve the screening efficiency of the screen on the rock-soil, and also can reduce the probability of the rock-soil being stuck on the screen.

[0014] 3. The supporting cylinder is provided with a plurality of protrusions on the inner wall, and the rock-soil ground by the grinding device can be ground by the second grinding wheel and the supporting cylinder after passing through the supporting cylinder, so that the rock-soil is ground more carefully and uniformly, and the detection accuracy of the grinding in the later stage is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The rock-soil sample grinding device structure schematic view of the utility model;

[0016] Figure 2 The screen, connecting plate, limiting plate and spring schematic view of the utility model;

[0017] Figure 3 The reciprocating device schematic view of the utility model;

[0018] Figure 4 The grinding device schematic view of the utility model.

[0019] Marking explanation in the figure:

[0020] 1, installation shell; 2, crushing device; 21, crushing roller; 22, first motor; 23, gear; 3, discharge port; 4, screen; 5, installation slot; 6, connecting plate; 7, reciprocating device; 71, second motor; 72, cam; 8, grinding device; 81, first grinding wheel; 82, second grinding wheel; 83, cross plate; 84, third motor; 9, protrusion; 10, guide groove; 11, cleaning assembly; 111, fixed block; 112, connecting block; 113, fourth motor; 114, screw rod; 115, cleaning roller; 12, supporting cylinder; 13, receiving cylinder; 14, limiting plate; 15, spring. DETAILED DESCRIPTION

[0021] In order to better understand the purpose, structure and function of the utility model, the utility model a kind of geotechnical sample pulverizing device is further described in detail below in conjunction with drawings.

[0022] As Figures 1 to 4 Indicated, the utility model a kind of geotechnical sample pulverizing device, including installation shell 1, installation shell 1 is by upper and lower through long cuboid, in installation shell 1 by upper and lower sequentially be provided with crushing device 2, screen 4 and grinding device 8, like this need to geotechnical sample pulverizing, can be directly put into from the upper end of installation shell 1, the geotechnical sample of putting in is crushed by crushing device 2, after again by screen 4 screening, and the geotechnical of passing through screen 4 can fall into grinding device 8 in, by grinding device 8 grinding, geotechnical after grinding is discharged from the lower end of installation shell 1 can.

[0023] As Figure 1 Indicated, crushing device 2 includes crushing roller 21 by rotating shaft rotation is located in installation shell 1, and crushing roller 21 is with installation shell 1 center symmetry arrangement. Wherein, the rotating shaft of two crushing rollers 21 is through installation shell 1 and extends outward, is provided with gear 23 on the rotating shaft of two crushing rollers 21, gear 23 is specifically located on the extension end of crushing roller 21, and two gears 23 are engaged. It is also provided with first motor 22 connected with external power supply on the outer wall of installation shell 1, first motor 22 is connected with the rotating shaft of one of crushing roller 21. Start first motor 22, first motor 22 drives crushing roller 21 to rotate through its connected rotating shaft, and drives another rotating shaft on crushing roller 21 to rotate through gear 23 transmission, realizes the purpose of the relative rotation of two crushing rollers 21, after the geotechnical sample is put in, two crushing rollers 21 will crush the geotechnical sample.

[0024] The crushed geotechnical sample falls on screen 4 and is screened, and in order to improve the screening efficiency of screen 4 on the geotechnical, screen 4 is inclinedly arranged in installation shell 1, and a discharge port 3 is formed on the position corresponding to the lowest end of screen 4 on installation shell 1. The geotechnical larger than the screen hole of screen 4 will roll down from the discharge port 3, and the geotechnical smaller than the screen hole of screen 4 will directly fall into grinding device 8 for further grinding.

[0025] As a further improvement, the lowest end of the screen 4 is rotatably arranged with the inner wall of the mounting shell 1, a connecting plate 6 is arranged at the highest end of the screen 4, a mounting groove 5 is opened on the mounting shell 1 for the movement of the connecting plate 6, and a reciprocating device 7 is arranged on the mounting shell 1 and cooperates with the connecting plate 6. The connecting plate 6 is driven to move reciprocally by the reciprocating device 7, so that the screen 4 is driven to swing reciprocally by the connecting plate 6, and the screening efficiency of the screen 4 on the rock-soil is further improved. Specifically, the reciprocating device 7 includes a second motor 71 arranged on the outer wall of the mounting shell 1, the second motor 71 is connected with an external power supply, a cam 72 is arranged on the output end of the second motor 71, and the cam 72 cooperates with the connecting plate 6. When the second motor 71 drives the cam 72 to rotate, the connecting plate 6 will move up and down along the outer contour of the cam 72, so as to drive the screen 4 to swing reciprocally. In order to make the screen 4 swing more smoothly, a limiting plate 14 is arranged on the mounting shell 1, and a spring 15 is arranged between the limiting plate 14 and the connecting plate 6.

[0026] In order to prevent the rock-soil falling from the crushing device 2 from being stuck on the screen 4, a guide groove 10 is opened on the mounting shell 1 with the center symmetry, the inclination angle of the guide groove 10 is the same as that of the screen 4, and a cleaning assembly 11 for cleaning the screen 4 is slidably arranged in the guide groove 10. The cleaning assembly 11 can lift the rock-soil stuck on the screen 4, and the lifted rock-soil rolls down along the screen 4 towards the discharge port 3, so as to achieve the purpose of cleaning the screen 4, prevent the gravel from being stuck on the screen 4, and reduce the problem of the screening efficiency of the screen 4 on the rock-soil. Specifically, the cleaning assembly 11 includes a cleaning roller 115 slidably arranged in the guide groove 10 through a rotating shaft, the cleaning roller 115 is in contact with the bottom surface of the screen 4, a connecting block 112 is arranged on the rotating shaft at both ends of the cleaning roller 115, and the connecting block 112 is located on the outer side of the mounting shell 1. Meanwhile, a fixed block 111 is arranged on the mounting shell 1 at both ends of each guide groove 10, a screw rod 114 is rotatably arranged between the two fixed blocks 111, and the screw rod 114 is threadedly connected with the connecting block 112. A fourth motor 113 connected with an external power supply is also arranged on one side of the mounting shell 1, and the fourth motor 113 is connected with the screw rod 114. When the fourth motor 113 works, it drives the connected screw rod 114 to rotate, and when the screw rod 114 rotates, it drives the threadedly connected connecting block 112 to move, so as to move the cleaning roller 115 connected with the connecting block 112 through the rotating shaft, and lift the rock-soil stuck on the screen 4 during the movement, so that the rock-soil stuck in the screen hole is separated from the screen 4, the cleaning work of the cleaning assembly 11 on the screen 4 is completed, and the screening efficiency of the screen 4 on the rock-soil is effectively improved. It should be noted that the two fourth motors 113 are connected through a controller, so that the two fourth motors 113 can rotate at the same speed and in the same direction, and the two fourth motors 113 can also rotate in opposite directions, so that the cleaning roller 115 moves reciprocally on the screw rod 114 through the connecting block 112.

[0027] The grinding device 8 for grinding the rock-soil includes a receiving cylinder 13 arranged in the mounting shell 1 below the screen 4, the bottom end of the receiving cylinder 13 is communicated with the first grinding wheel 81, and the middle part of the first grinding wheel 81 is provided with a through hole. A cross plate 83 is further arranged in the mounting shell 1 below the first grinding wheel 81, the cross plate 83 is provided with a third motor 84, the first motor 22 is connected with an external power supply for power supply. The output end of the third motor 84 is provided with the second grinding wheel 82 matched with the first grinding wheel 81, and a plurality of protrusions 9 are distributed on the bottom surface of the first grinding wheel 81 and the top surface of the second grinding wheel 82. The rock-soil falling through the screen 4 enters the receiving cylinder 13, and then falls into the second grinding wheel 82 through the through hole of the first grinding wheel 81. The third motor 84 is started, the third motor 84 drives the second grinding wheel 82 to rotate, the second grinding wheel 82 rotates to grind the rock-soil between the first grinding wheel 81 and the second grinding wheel 82, and the ground rock-soil is thrown out under the rotation of the second grinding wheel 82.

[0028] In order to make the rock-soil thrown out in the gap between the first grinding wheel 81 and the second grinding wheel 82 more detailed and uniform, a supporting cylinder 12 matched with the second grinding wheel 82 is arranged in the mounting shell 1, a plurality of protrusions 9 are distributed on the inner wall of the supporting cylinder 12, and a plurality of protrusions 9 are distributed on the outer periphery of the second grinding wheel 82. The thrown rock-soil falls into the supporting cylinder 12 and is ground again under the rotation of the second grinding wheel 82.

[0029] The use method is as follows: the first motor 22, the second motor 71, the third motor 84 and the fourth motor 113 are started, then the rock-soil is put into the crushing device 2, the rock-soil sample is crushed by the crushing device 2, then falls on the screen 4 for screening, the rock-soil larger than the screen hole rolls with the screen 4 and falls into the discharge port 3, and the rock-soil smaller than the screen hole falls into the grinding device 8 for grinding. The rock-soil ground by the grinding device 8 enters the supporting cylinder 12 again, and is ground by the second grinding wheel 82 in the grinding device 8 and the supporting cylinder 12. The ground rock-soil falls from the bottom end of the mounting shell 1. The rock-soil stuck in the screen 4 is pushed out of the screen hole under the action of the cleaning assembly 11, so that the cleaning assembly 11 achieves the purpose of cleaning the screen hole of the screen 4.

[0030] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A rock soil sample crushing device, characterized in that: it comprises a mounting shell (1), a crushing device (2), a screen (4) and a grinding device (8) are sequentially arranged in the mounting shell (1) from top to bottom, the screen (4) is arranged obliquely in the mounting shell (1), and a discharge port (3) is formed on the mounting shell (1) corresponding to the lowest end of the screen (4); a guide groove (10) is symmetrically formed on the mounting shell (1) with the center thereof as the center of symmetry, a cleaning assembly (11) for cleaning the screen (4) is slidably arranged in the guide groove (10), the cleaning assembly (11) comprises a cleaning roller (115) slidably arranged in the guide groove (10) through a rotating shaft, connecting blocks (112) are arranged on both ends of the rotating shaft of the cleaning roller (115), fixed blocks (111) are arranged at both ends of each guide groove (10), a screw rod (114) is rotatably arranged between the two fixed blocks (111), the screw rod (114) is threadedly connected with the connecting blocks (112), a fourth motor (113) is arranged on one side of the mounting shell (1), and the fourth motor (113) is connected with the screw rod (114).

2. The rock soil sample crushing device according to claim 1, characterized in that: the lowest end of the screen (4) is rotatably arranged on the inner wall of the mounting shell (1), a connecting plate (6) is arranged at the highest end of the screen (4), a mounting groove (5) is formed on the mounting shell (1) for the movement of the connecting plate (6), and a reciprocating device (7) matched with the connecting plate (6) is arranged on the mounting shell (1); the reciprocating device (7) comprises a second motor (71) arranged on the outer wall of the mounting shell (1), a cam (72) is arranged on the output end of the second motor (71), and the cam (72) is matched with the connecting plate (6) to work.

3. The rock soil sample crushing device according to claim 1, characterized in that: a limiting plate (14) is arranged on the mounting shell (1), and a spring (15) is arranged between the limiting plate (14) and the connecting plate (6).

4. The rock soil sample crushing device according to claim 3, characterized in that: the crushing device (2) comprises crushing rollers (21) rotatably arranged in the mounting shell (1) through rotating shafts, and the crushing rollers (21) are symmetrically arranged with the center of the mounting shell (1) as the center, gears (23) are arranged on the rotating shafts of the two crushing rollers (21), the two gears (23) are meshed, a first motor (22) is arranged on the outer wall of the mounting shell (1), and the rotating shaft of one of the crushing rollers (21) is connected with the first motor (22). the grinding device (8) comprises a receiving cylinder (13) arranged in the mounting shell (1) below the screen (4), and the receiving cylinder (13) is communicated with a first grinding wheel (81) at the bottom end; 5. A geotechnical sample pulverizing device according to claim 4, wherein ； a cross plate (83) is arranged in the mounting shell (1), a third motor (84) is arranged on the cross plate (83), a second grinding wheel (82) matched with the first grinding wheel (81) is arranged on the output end of the third motor (84), and a plurality of protrusions (9) are distributed on the bottom surface of the first grinding wheel (81) and the top surface of the second grinding wheel (82). characterized in that; 6. A geotechnical sample pulverizing device according to claim 5, ​ The mounting shell (1) is internally provided with a supporting cylinder (12) matched with the second grinding wheel (82), and the inner wall of the supporting cylinder (12) is distributed with a plurality of protrusions (9), and the outer periphery of the second grinding wheel (82) is distributed with a plurality of protrusions (9).

Images