Gradient detection device for underground coal mine roadway

By designing a slope detection device with limit protection and multi-angle detection components, the problem of inaccurate slope detection in underground coal mine roadways has been solved, achieving higher measurement accuracy and stability, and guiding roadway excavation.

CN223925743UActive Publication Date: 2026-02-17SHANXI PROVINCE XIANGNING COUNTRY MAOZEQU COAL CO LTD
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Patent Information

Application Number
CN202520676482.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-02-17
Estimated Expiration
2035-04-11

AI Technical Summary

Technical Problem

The slope measurement error in underground coal mine roadways is large, and the existing slope gauges are inaccurate due to the influence of roadway slope and airflow.

Method used

A slope detection device was designed, comprising a limit protection component, a suspension measurement component, a grip component, and a multi-angle detection component. It uses pulleys to increase friction, rubber pads to reduce wear, and windproof plates to prevent swaying, and combines a level and scale lines for accurate measurement.

Benefits of technology

It improves the accuracy and stability of roadway slope measurement, reduces the risk of hand slippage, and guides the direction of roadway excavation and slope control.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mine underground roadways, in particular to a slope detection device for coal mine underground roadways, which comprises a limit protection component, the limit protection component is composed of a measuring plate, a rubber pad, a chute, a rotating rod, a pulley and a windproof plate, and the chute is arranged on one side of the measuring plate. According to the gradient detection device for the underground coal mine roadway, through the arrangement of the measuring plate, the rubber pad, the sliding groove, the rotating rod, the pulley and the windproof plate, when the gradient detection device is used, the measuring plate abuts against the inner top wall of the roadway, the rotating rod swings towards one side due to gravity, and finally a vertical state is formed and points to a certain position of the sliding groove for gradient measurement; due to the fact that the pulley is installed, friction force between the pulley and the sliding groove can be increased, the rotating rod is not prone to shaking, measuring accuracy is enhanced, the rubber pad can reduce surface abrasion when the measuring plate is attached to a roadway, the windproof plate can prevent the rotating rod from shaking due to the fact that wind power of the roadway is large, and angle measuring accuracy is further enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine underground roadway, concretely is a slope detection device for coal mine underground roadway. BACKGROUND

[0002] The coal mine underground roadway refers to the underground passage excavated in the coal mining process to meet the needs of coal mining, transportation, ventilation, drainage, personnel passage and equipment installation, the working face of underground excavation adopts the I-shaped steel shed frame support, the section is trapezoidal section, the upper width is 4m, the lower width is 4.8m, the net height is 2.6m, and the roadway slope detection usually adopts the slope gauge detection.

[0003] Affected by the roadway slope and the air flow of the working face air cylinder, the slope gauge hanging hammer swings left and right, and the slope detection error is large, therefore, the utility model provides a slope detection device for coal mine underground roadway. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a slope detection device for coal mine underground roadway to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a slope detection device for coal mine underground roadway, comprising:

[0006] The limiting protection assembly is composed of a measuring plate, a rubber pad, a sliding groove, a rotating rod, a pulley and a wind shield, the measuring plate is provided with the sliding groove on one side, the rotating rod is installed above the sliding groove on one side of the measuring plate, the pulley is fixedly connected to one side of the rotating rod, and the wind shield is installed on the surface of the measuring plate on the side of the sliding groove.

[0007] The hanging measuring assembly is composed of a fixing block and a hook, and the fixing block is fixedly connected to the side surface of the measuring plate.

[0008] The holding assembly is composed of a connecting ring and an antiskid pad, and the connecting ring is fixedly connected to the bottom end of the fixing block.

[0009] The multi-angle detection assembly is composed of a level and a scale line, and the level is installed between the rotating rod and the sliding groove on one side of the measuring plate, and the scale line is arranged above the level.

[0010] Optionally, the bottom end of the rubber pad is provided with a clamping groove, and the measuring plate is connected with the rubber pad through the clamping groove.

[0011] Optionally, the width of the sliding groove is smaller than that of the pulley, and the pulley is attached to the sliding groove.

[0012] Optionally, the angle between the scale line and the chute is 180°, and the scale line is opposite to the chute.

[0013] Optionally, the number of the hooks is two, and the hooks are symmetrically distributed.

[0014] Compared with the device, the utility model has the advantages of:

[0015] 1. The slope detection device for underground mine roadway, through the setting of the measuring plate, rubber pad, chute, rotating rod, pulley and wind shield, when in use, the measuring plate is pressed against the inner top wall of the roadway, the rotating rod swings to one side due to gravity, and finally forms a vertical form, pointing to a certain place of the chute, for slope measurement, the installation of the pulley can increase the friction with the chute, so that the rotating rod is not easy to shake, and the measurement accuracy is enhanced, the rubber pad can reduce surface wear when the measuring plate is attached to the roadway, and the wind shield can prevent the roadway from having large wind force, so that the rotating rod is not shaken, and the measurement angle accuracy is further enhanced.

[0016] 2. The slope detection device for underground mine roadway, through the setting of the connecting ring and the anti-skid pad, when in use, the connecting ring is held, and the measuring plate is pressed against the roadway, the anti-skid pad of the device can be held stably, the installation of the anti-skid pad can increase the friction with the hand, so as to avoid hand slipping, thereby stabilizing the device and avoiding shaking. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the overall appearance of the utility model;

[0018] Figure 2 It is an enlarged schematic view of the limiting protection assembly of the utility model;

[0019] Figure 3 It is an enlarged schematic view of the suspension measurement assembly of the utility model;

[0020] Figure 4 It is an enlarged schematic view of the holding assembly of the utility model.

[0021] In the drawing: 1, limiting protection assembly; 101, measuring plate; 102, rubber pad; 103, chute; 104, rotating rod; 105, pulley; 106, wind shield; 2, suspension measurement assembly; 201, fixed block; 202, hook; 3, holding assembly; 301, connecting ring; 302, anti-skid pad; 4, multi-angle detection assembly; 401, level; 402, scale line. DETAILED DESCRIPTION

[0022] With reference to the accompanying drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a kind of slope detection device for coal mine underground roadway, it include:

[0024] Limiting protection component 1, limiting protection component 1 is by measuring plate 101, rubber pad 102, sliding slot 103, rotating rod 104, pulley 105 and wind shield 106, the side of measuring plate 101 is equipped with sliding slot 103, the side of measuring plate 101 is located above sliding slot 103 and is installed rotating rod 104, the side of rotating rod 104 is fixedly connected with pulley 105, the surface of measuring plate 101 is installed wind shield 106 on the side of sliding slot 103;

[0025] Suspension measurement component 2, suspension measurement component 2 is by fixed block 201 and hook 202, the side of measuring plate 101 is fixedly connected with fixed block 201, and hook 202 is installed on the side of fixed block 201;

[0026] Hold component 3, hold component 3 is by connecting ring 301 and non-slip pad 302, and the bottom of fixed block 201 is fixedly connected with connecting ring 301, and non-slip pad 302 is installed on the surface of connecting ring 301;

[0027] Multi-angle detection assembly 4, multi-angle detection assembly 4 is constituted by level 401 and scale line 402, one side of measuring plate 101 is located between rotating lever 104 and sliding groove 103 and is provided with level 401, scale line 402 is opened above level 401, by the measuring plate 101 is pressed against the roof of roadway, the rotating lever 104 swings to one side due to gravity, and finally forms a vertical form, points to a certain place of sliding groove 103, and is used for slope measurement, the installation of pulley 105 can increase the friction with sliding groove 103, so that the rotating lever 104 is not easy to shake, and the measurement accuracy is enhanced, the rubber pad 102 can reduce surface wear when the measuring plate 101 is attached to the roadway, and the wind shield 106 can prevent the large wind force of the roadway from causing the rotating lever 104 to shake, further enhancing the accuracy of the measurement angle, the hand-held connecting ring 301 is connected, and the measuring plate 101 is pressed against the roadway, the hand-held stable device anti-skid pad 302 can increase the friction with the hand, avoid the hand from slipping, thereby being used for stabilizing the device to avoid shaking, the hook 202 is limited by the fixing block 201, and the inclination angle of the roadway can be measured by suspending the hook 202 on the tight rope, thereby guiding the driving direction and slope control of the roadway, and the measuring plate 101 is pressed against the ground, and the slope of the ground of the roadway can be measured according to the bubble angle of the level 401, and the bubble points to the angle of the scale line 402;

[0028] The bottom end of the rubber pad 102 is provided with a clamping groove, and the measuring plate 101 is connected with the rubber pad 102 through the clamping groove;

[0029] The width of the sliding groove 103 is less than the pulley 105, and the pulley 105 is attached to the sliding groove 103;

[0030] The angle between the scale line 402 and the sliding groove 103 is 180°, the scale line 402 and the sliding groove 103 are opposite in direction, and the scale line 402 and the sliding groove 103 measure the slope of the roof and the ground in the roadway respectively;

[0031] The number of hooks 202 is two, and the hooks 202 are symmetrically distributed.

[0032] In the utility model, the working steps of the device are as follows:

[0033] The first step is that the measuring plate 101 is pressed against the roof of the roadway, the rotating lever 104 swings to one side due to gravity, and finally forms a vertical form, points to a certain place of the sliding groove 103, and is used for slope measurement, the installation of the pulley 105 can increase the friction with the sliding groove 103, so that the rotating lever 104 is not easy to shake, and the measurement accuracy is enhanced, the rubber pad 102 can reduce surface wear when the measuring plate 101 is attached to the roadway, and the wind shield 106 can prevent the large wind force of the roadway from causing the rotating lever 104 to shake, further enhancing the accuracy of the measurement angle;

[0034] Second step: hold the connecting ring 301 and press the measuring plate 101 against the roadway, the installation of the hand-held stabilizing anti-skid pad 302 can increase the friction with the hand, avoiding the hand from slipping off, thereby stabilizing the device and avoiding shaking;

[0035] Third step: limit the hook 202 through the fixing block 201, the hook 202 can be hung on the tight rope, the inclination angle of the roadway can be measured, thereby guiding the tunneling direction and the slope control of the roadway, the measuring plate 101 can be pressed against the ground, the slope of the roadway ground can be measured according to the bubble angle of the level 401 and the angle of the bubble pointing scale line 402.

[0036] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for detecting the gradient of a coal mine roadway, characterised in that, Include: The limit protection assembly (1) is composed of a measuring plate (101), a rubber pad (102), a sliding groove (103), a rotating rod (104), a pulley (105) and a wind shield (106), one side of the measuring plate (101) is provided with a sliding groove (103), one side of the measuring plate (101) is located above the sliding groove (103) and is provided with a rotating rod (104), one side of the rotating rod (104) is fixedly connected with a pulley (105), and the surface of the measuring plate (101) is provided with a wind shield (106) on the side of the sliding groove (103); The suspension measuring assembly (2) is composed of a fixed block (201) and a hook (202), the side of the measuring plate (101) is fixedly connected with a fixed block (201), and the side of the fixed block (201) is provided with a hook (202); The holding assembly (3) is composed of a connecting ring (301) and a non-slip pad (302), the bottom end of the fixed block (201) is fixedly connected with a connecting ring (301), and the surface of the connecting ring (301) is provided with a non-slip pad (302); The multi-angle detection assembly (4) is composed of a level (401) and a scale line (402), one side of the measuring plate (101) is located between the rotating rod (104) and the sliding groove (103) and is provided with a level (401), and a scale line (402) is provided above the level (401).

2. A device for detecting the gradient of a coal mine roadway according to claim 1, characterized in that: The bottom end of the rubber pad (102) is provided with a clamping groove, and the measuring plate (101) is connected with the rubber pad (102) through the clamping groove.

3. The slope detection device for use in a coal mine roadway according to claim 1, characterized in that: The width of the sliding groove (103) is less than the pulley (105), and the pulley (105) is attached to the sliding groove (103).

4. The slope detection device for underground roadway of coal mine according to claim 1, characterized in that: The angle between the scale line (402) and the sliding groove (103) is 180°, and the scale line (402) and the sliding groove (103) are opposite in direction.

5. The device for detecting the slope of a roadway in a coal mine according to claim 1, characterized in that: The number of hooks (202) is two, and the hooks (202) are symmetrically distributed.