A rock block size identification device for sampling

By using a layered screening component and automatic image acquisition technology, efficient and accurate measurement of rock block size was achieved, solving the problem of low efficiency of manual operation in existing technologies.

CN113877816BActive Publication Date: 2026-02-17CHINA COAL TECH & ENG GRP HUAIBEIBLASTING TECHN RES INST
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Patent Information

Application Number
CN202110935444.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-08-16
Publication Date
2026-02-17
Estimated Expiration
2041-08-16

AI Technical Summary

Technical Problem

Existing methods for measuring rock block size rely on manual operation, which is inefficient and inaccurate.

Method used

By employing a multi-component stratified screening component, a block size recognition camera component, and a rock crushing and processing component, automatic identification of rock block size is achieved through automatic screening, conveying, and image acquisition.

Benefits of technology

It reduces reliance on manual labor, improves measurement efficiency and accuracy, and reduces the workload of operators.

✦ Generated by Eureka AI based on patent content.

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    Figure CN113877816B_ABST
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Abstract

The application discloses a rock blockiness identification device for sampling, which comprises multiple sets of layered screening assemblies, a blockiness identification camera assembly and a rock crushing treatment assembly. Each set of the layered screening assemblies is arranged in an up-down distribution. Each set of the layered screening assemblies is provided with a screening conveyor belt at the bottom. The feeding port of each set of the layered screening assemblies is arranged on one side of the screening conveyor belt of the previous set. The side of each set of the screening conveyor belts, which is away from the feeding port of the layered screening assembly, is arranged in an up-down vertical manner. The blockiness identification camera assembly is arranged below the layered screening assembly of the lowermost set. The blockiness identification camera assembly is arranged on the side of the screening conveyor belt, which is away from the feeding port of the layered screening assembly. The rock crushing treatment assembly is arranged on the side of the blockiness identification camera assembly, which is away from the layered screening assembly. The rock material is screened through the layered screening mode. The rock blockiness of the screened material is obtained through image recognition, so that the accuracy of rock blockiness identification is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of soil blasting, and particularly relates to a rock block size identification device for sampling. BACKGROUND

[0002] In quarrying and mining engineering, the measurement of the size distribution of rock block size is very important, and most of the existing rock block size distribution measurement methods adopt a screening method, which needs to rely on a large amount of manual work and has low measurement efficiency. SUMMARY

[0003] The present application aims to at least solve one of the technical problems in the related art. To this end, one object of the present application is to provide a rock block size identification device for sampling, which reduces the dependence on manual work and improves the measurement efficiency and accuracy.

[0004] According to the rock block size identification device for sampling provided by the present application, each group of the layered screening assembly is arranged in an up-down distribution, a screening conveyor belt is installed at the bottom of each group of the layered screening assembly, the feeding port of each group of the layered screening assembly is arranged on one side of the screening conveyor belt of the previous group, the side of the screening conveyor belt away from the feeding port of the layered screening assembly is arranged in an up-down vertical arrangement, the block size identification camera assembly is installed below the layered screening assembly of the lowermost group, the block size identification camera assembly is installed on the side of the screening conveyor belt away from the feeding port of the layered screening assembly, and the rock breaking treatment assembly is installed on the side of the block size identification camera assembly away from the layered screening assembly.

[0005] Preferably, the layered screening assembly comprises a screen plate and a screening barrel, the screening barrel is installed above the screening conveyor belt through a screening cylinder connecting frame, a feeding port is formed on one side of the upper end of the screening barrel, a feeding hopper is installed at the upper end of the feeding port, a rotating motor is installed at the upper end of the middle of the screening barrel, rotating vanes are installed inside the screening barrel, the rotating shaft of the rotating vanes is in transmission connection with the rotating motor, the screen plate is installed at the lower end of the screening barrel, one side of the screen plate is in rotatable connection with the screening barrel through a hinge, an L-shaped mounting plate is connected to the lower end of the other side of the screen plate, and the L-shaped mounting plate is connected with the side wall of the screening barrel through an air cylinder.

[0006] Preferably, a first sensor is installed on the side of each group of the screening conveyor belt away from the feeding port of the layered screening assembly, and a second sensor is installed on the side of each group of the screening conveyor belt close to the feeding port of the layered screening assembly.

[0007] Preferably, the block identification camera assembly comprises a camera mechanism, a camera conveying belt, a camera conveying belt mounting rack, the camera conveying belt is mounted on the upper end of the camera conveying belt mounting rack, a guide plate is mounted on one side of the camera conveying belt close to the layered screening assembly, the guide plate is fixedly connected with the camera conveying belt mounting rack, the camera mechanism is arranged above one side of the camera conveying belt away from the layered screening assembly, and the camera mechanism is fixedly connected with the camera conveying belt mounting rack through a camera mechanism mounting rack.

[0008] Preferably, a third sensor is arranged on one side of the camera mechanism away from the layered screening assembly, and the third sensor is fixedly connected with the camera conveying belt mounting rack.

[0009] Preferably, an adjusting plate is arranged between the guide plate and the camera mechanism, the adjusting plate is slidably mounted in an adjusting plate mounting support, an adjusting nut is connected between the upper end of the adjusting plate and the adjusting plate mounting support, and the adjusting plate mounting support is fixedly connected with the camera conveying belt mounting rack.

[0010] Preferably, the rock breaking treatment assembly comprises a breaking box body, the breaking box body is mounted on one side of the block identification camera assembly away from the layered screening assembly, two groups of breaking rollers are arranged in parallel in the breaking box body, the breaking rollers are rotatably connected with the breaking box body, and a breaking motor is transmissionally connected with one side of each group of breaking rollers, and the breaking motor is mounted on the outer side of the breaking box body.

[0011] Preferably, the working method of the rock block identification device for sampling comprises the following steps:

[0012] S1: the power supply is started, the rock material is fed into the uppermost screening barrel from the uppermost feeding hopper, the uppermost rotating motor rotates, the material is screened through the screen plate and falls above the screening conveying belt in the uppermost layer, the screening conveying belt in the uppermost layer reverses, and the material is conveyed to the feeding hopper in the next group of layered screening assemblies;

[0013] S2: the second sensor in the group does not detect the material within a continuous time T, the rotating motor in the group stops rotating, the cylinder in the group works, and the screening conveying belt in the group is forwardly rotated;

[0014] S3: the first sensor in the group detects the material, the camera conveying belt is forwardly rotated, the camera mechanism works, the material is conveyed below the camera mechanism to complete the picture collection work, and the rock block value is obtained through image collection and identification;

[0015] S4: the third sensor detects the material, the breaking motor works, and the material falls into the breaking box body for breaking;

[0016] S5: no material is detected in the first sensor duration T of the group, the screening conveyor belt of the group stops rotating, the cylinder of the group resets, no material is detected in the third sensor duration T, the rotating motor of the next layer screening assembly rotates, the next layer screening conveyor belt reverses, and the crushing motor stops working;

[0017] S6: repeat steps S2-S5 to complete the identification of the rock lump size screened by the next layer screening assembly;

[0018] S7: repeat step S6 until the identification of the rock lump size screened by all the layer screening assemblies is completed.

[0019] The beneficial effects of the present application are: the rock material is screened by the layer screening assembly, which avoids the mixing of materials with too large size difference, reduces the accuracy of rock lump size measurement, and completes the image acquisition of the rock material through automatic screening, automatic conveying and automatic shooting, reduces the dependence on manual operation, improves the measurement efficiency of the rock lump size, and reduces the work burden of the operator. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application together with the embodiments thereof, and explain the present application, but do not constitute a limitation of the present application. In the drawings:

[0021] Figure 1 A layer screening assembly structure diagram of a rock lump size identification device for sampling according to the present application;

[0022] Figure 2 A layer screening assembly structure diagram of a rock lump size identification device for sampling according to the present application; Figure 1 An enlarged view of part A in the figure;

[0023] Figure 3 A structure diagram of a lump size identification camera assembly according to the present application;

[0024] Figure 4 A structure diagram of a rock crushing treatment assembly according to the present application.

[0025] In the figure: 10-layer screening assembly, 11-feed hopper, 12-rotating motor, 13-rotating blade, 14-cylinder, 15-screening conveyor belt, 16-screen plate, 17-screening bucket, 18-first sensor, 19-second sensor, 20-lump size identification camera assembly, 21-guide plate, 22-height adjusting nut, 23-height adjusting plate mounting bracket, 24-height adjusting plate, 25-camera mechanism, 26-camera mechanism mounting rack, 27-third sensor, 28-camera conveyor belt, 29-camera conveyor belt mounting rack, 30-rock crushing treatment assembly, 31-crushing box, 32-crushing roller, 33-crushing motor. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application.

[0027] With reference to Figures 1-4The application discloses a rock block identification device for sampling, which comprises a plurality of layered screening assemblies 10, a block identification camera assembly 20 and a rock crushing treatment assembly 30. Each of the layered screening assemblies 10 is arranged vertically. A screening conveyor belt 15 is arranged at the bottom of each of the layered screening assemblies 10. The feeding port of each of the layered screening assemblies 10 is arranged on one side of the screening conveyor belt 15 of the previous layered screening assembly 10. The block identification camera assembly 20 is arranged below the lowermost layered screening assembly 10. The block identification camera assembly 20 is arranged on the side of the screening conveyor belt 15 away from the feeding port of the layered screening assembly 10. The rock crushing treatment assembly 30 is arranged on the side of the block identification camera assembly 20 away from the layered screening assembly 10. The layered screening assembly 10 comprises a screen plate 16 and a screening barrel 17. The screening barrel 17 is arranged above the screening conveyor belt 15 through a screening cylinder connecting frame. A feeding port is arranged on one side of the upper end of the screening barrel 17. A feeding hopper 11 is arranged at the upper end of the feeding port. A rotating motor 12 is arranged at the middle of the upper end of the screening barrel 17. A rotating blade 13 is arranged in the screening barrel 17. The rotating shaft of the rotating blade 13 is in transmission connection with the rotating motor 12. The screen plate 16 is arranged at the lower end of the screening barrel 17. One side of the screen plate 16 is rotatably connected with the screening barrel 17 through a hinge. An L-shaped mounting plate is connected with the lower end of the other side of the screen plate 16. The L-shaped mounting plate is connected with the side wall of the screening barrel 17 through an air cylinder 14. A first sensor 18 is arranged on the side of each of the screening conveyor belts 15 away from the feeding port of the layered screening assembly 10. A second sensor 19 is arranged on the side of each of the screening conveyor belts 15 close to the feeding port of the layered screening assembly 10. The block identification camera assembly 20 comprises a camera mechanism 25, a camera conveying belt 28 and a camera conveying belt mounting frame 29. The camera conveying belt 28 is arranged on the upper end of the camera conveying belt mounting frame 29. A guide plate 21 is arranged on the side of the camera conveying belt 28 close to the layered screening assembly 10. The guide plate 21 is fixedly connected with the camera conveying belt mounting frame 29. The camera mechanism 25 is arranged above the side of the camera conveying belt 28 away from the layered screening assembly 10. The camera mechanism 25 is fixedly connected with the camera conveying belt mounting frame 29 through a camera mechanism mounting frame 26. A third sensor 27 is arranged on the side of the camera mechanism 25 away from the layered screening assembly 10. The third sensor 27 is fixedly connected with the camera conveying belt mounting frame 29. An adjusting plate 24 is arranged between the guide plate 21 and the camera mechanism 25. The adjusting plate 24 is slidably arranged in the adjusting plate mounting support 23. The upper end of the adjusting plate 24 is connected with the adjusting plate mounting support 23 through an adjusting nut 22. The adjusting plate mounting support 23 is fixedly connected with the camera conveying belt mounting frame 29.The rock breaking treatment assembly 30 comprises a breaking box 31 installed on the side of the blockiness identification camera assembly 20 away from the layered screening assembly 10, two groups of breaking rollers 32 are arranged in parallel inside the breaking box 31, the breaking rollers 32 are rotatably connected with the breaking box 31, one side of each group of breaking rollers 32 is drivingly connected with a breaking motor 33, and the breaking motor 33 is installed on the outside of the breaking box 31.

[0028] The working method steps of the rock blockiness identification device for sampling are as follows:

[0029] S1: the power is started, the rock material is fed into the uppermost layer screening barrel 17 from the uppermost layer feeding hopper 11, the uppermost layer rotating motor 12 rotates, the material is screened through the screen plate 16 and falls above the uppermost layer screening conveyor belt 15, the uppermost layer screening conveyor belt 15 reverses, and the material is conveyed to the inside of the feeding hopper 11 in the next group of layered screening assemblies 10;

[0030] S2: the second sensor 19 in the group does not detect the material within a time T, the rotating motor 12 in the group stops rotating, the cylinder 14 in the group works, and the screening conveyor belt 15 in the group rotates forward;

[0031] S3: the first sensor 18 in the group detects the material, the camera conveyor belt 28 rotates forward, the camera mechanism 25 works, the material is conveyed below the camera mechanism 25 to complete the picture collection work, and the rock blockiness value is obtained through image collection and identification;

[0032] S4: the third sensor 27 detects the material, the breaking motor 33 works, and the material falls into the breaking box 31 for breaking;

[0033] S5: the first sensor 18 in the group does not detect the material within a time T, the screening conveyor belt 15 in the group stops rotating, the cylinder 14 in the group resets, the third sensor 27 does not detect the material within a time T, the rotating motor 12 in the next group of layered screening assemblies 10 rotates, the next layer screening conveyor belt 15 reverses, and the breaking motor 33 stops working;

[0034] S6: the steps S2-S5 are repeated to complete the identification of the rock blockiness screened out by the next layer of layered screening assemblies 10;

[0035] S7: the step S6 is repeated until the identification of the rock blockiness screened out by all the layered screening assemblies 10 is completed.

[0036] In the step S3, the height of the height adjustment plate 24 is adjusted to make the material uniformly distributed and prevent the material from accumulating to cause difficulty in collecting image information.

[0037] The first sensor 13, the second sensor 19 and the third sensor 27 in the application are all provided with a pair of oppositely arranged infrared emitter and infrared receiver, which are arranged on both sides of the conveying belt along the material conveying direction.

[0038] To sum up, the device screens the rock materials through the hierarchical screening assembly, avoids the reduction of the rock lumpiness measurement accuracy caused by the mixed measurement of materials with too large size difference, and completes the image acquisition of the rock materials through the automatic screening, automatic conveying and automatic shooting, thereby reducing the dependence on manual operation, improving the measurement efficiency of the rock lumpiness, and reducing the work burden of the operators.

[0039] The above is only the preferred specific embodiment of the application, but the protection scope of the application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the application within the technical range disclosed by the application, which should be covered in the protection scope of the application.

Claims

1. A rock lump identification device for sampling, characterized by: The application relates to a multi-component layered screening assembly, a block size identification camera assembly and a rock breaking treatment assembly. The layered screening assembly comprises a screen plate and a screening barrel, the screening barrel is arranged above the screening conveyor belt through a screening cylinder connecting frame, a feeding port is formed in one side of the upper end of the screening barrel, a feeding hopper is arranged at the upper end of the feeding port, a rotating motor is arranged at the upper end of the screening barrel, rotating blades are arranged in the screening barrel, the rotating shaft of the rotating blades is in transmission connection with the rotating motor, the screen plate is arranged at the lower end of the screening barrel, one side of the screen plate is rotatably connected with the screening barrel through a hinge, an L-shaped mounting plate is connected with the lower end of the other side of the screen plate, and the L-shaped mounting plate is connected with the side wall of the screening barrel through an air cylinder. A first sensor is arranged on the side of each screening conveyor belt away from the feeding port of the layered screening assembly, and a second sensor is arranged on the side of each screening conveyor belt close to the feeding port of the layered screening assembly. The block size identification camera assembly comprises a camera mechanism, a camera conveyor belt and a camera conveyor belt mounting frame, the camera conveyor belt is arranged on the upper end of the camera conveyor belt mounting frame, a guide plate is arranged on the side of the camera conveyor belt close to the layered screening assembly, the guide plate is fixedly connected with the camera conveyor belt mounting frame, the camera mechanism is arranged above the side of the camera conveyor belt away from the layered screening assembly, and the camera mechanism is fixedly connected with the camera conveyor belt mounting frame through a camera mechanism mounting frame. A third sensor is arranged on the side of the camera mechanism away from the layered screening assembly, and the third sensor is fixedly connected with the camera conveyor belt mounting frame.

2. A rock fragment identification device for sampling according to claim 1, characterized in that: An adjusting plate is arranged between the guide plate and the camera mechanism, the adjusting plate is slidably arranged in an adjusting plate mounting support, the upper end of the adjusting plate is connected with the adjusting plate mounting support through an adjusting nut, and the adjusting plate mounting support is fixedly connected with the camera conveyor belt mounting frame.

3. A rock fragment identification device for sampling according to claim 1, characterized in that: The rock breaking treatment assembly comprises a breaking box body, the breaking box body is arranged on the side of the block size identification camera assembly away from the layered screening assembly, two groups of breaking rollers are arranged in the breaking box body in parallel, the breaking rollers are rotatably connected with the breaking box body, a breaking motor is arranged on one side of each group of breaking rollers in transmission connection, and the breaking motor is arranged outside the breaking box body.

4. A method of operating a rock fragmentation identification device for sampling according to any one of claims 1 to 3, characterized in that, The method steps are as follows: S1: the power is started, the rock material is put into the uppermost screening barrel from the uppermost feeding hopper, the uppermost rotating motor rotates, the material is screened through the screen plate and falls above the uppermost screening conveyor belt, the uppermost screening conveyor belt reverses, and the material is conveyed to the inside of the feeding hopper in the next layered screening assembly; S2: the second sensor in the group does not detect the material within the time T, the rotating motor in the group stops rotating, the cylinder in the group works, and the screening conveyor belt in the group rotates forward; S3: the first sensor in the group detects the material, the camera conveyor belt rotates forward, the camera mechanism works, the material is conveyed below the camera mechanism to complete the picture collection work, and the rock lumpiness value is obtained through image collection and identification; S4: the third sensor detects the material, the crushing motor works, and the material falls into the crushing box for crushing; S5: the first sensor in the group does not detect the material within the time T, the screening conveyor belt in the group stops rotating, the cylinder in the group resets, the third sensor does not detect the material within the time T, the rotating motor in the next layered screening assembly rotates, the next layer of screening conveyor belt reverses, and the crushing motor stops working; S6: steps S2-S5 are repeated to complete the identification of the rock lumpiness screened by the next layered screening assembly; S7: step S6 is repeated until the identification of the rock lumpiness screened by all layered screening assemblies is completed.

Citation Information

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