Safety protection frame for coal mine geological survey

By designing a safety protection frame for coal mine geological surveying that includes hydraulic rods and threaded columns, the problems of difficult transportation and inspection of existing protection frames have been solved, enabling convenient transportation and inspection of the roadway top, and improving the safety and convenience of surveying work.

CN223781487UActive Publication Date: 2026-01-09CHINA COAL NO 3 CONSTR (GRP) CORP LTD
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Patent Information

Application Number
CN202520639785.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-01-09
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

Existing safety protection frames for geological surveying in coal mines are difficult to transport and make it hard to effectively inspect the top of coal mine roadways.

Method used

A safety protection frame including a base, an upper baffle, a hydraulic rod, a threaded column, and a protective plate was designed. The protective frame can be easily transported and the base can be adjusted in parallel by extending and retracting the hydraulic rod and adjusting the threaded column. The top of the tunnel can be inspected by pushing out the protective plate.

Benefits of technology

It enables convenient transport of protective frames and parallel placement of testing instruments, facilitating measurement work and effectively detecting the top of coal mine roadways, thus improving safety and ease of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coal mine geological survey safety protection frame, and relates to the technical field of underground protection, the coal mine geological survey safety protection frame comprises a base and an upper baffle plate, the lower surface of the upper baffle plate is fixedly connected with four hinge seats, the inner walls of the four hinge seats are all provided with hydraulic rods, the upper surface of the base is fixedly connected with plug bushes corresponding to the hinge seats in position, and the plug bushes are fixedly connected with the upper baffle plate. And an adjusting mechanism is arranged on the base and comprises an inner threaded sleeve embedded in the upper surface of the base, the inner wall of the inner threaded sleeve is in threaded connection with a threaded column, and the upper surface of the threaded column is fixedly connected with a hexagonal block. According to the utility model, after the protective frame is transferred to a use place, the hydraulic rod is rotated firstly, then the hydraulic rod is inserted into the insertion sleeve, the hydraulic rod is extended, the upper baffle is pushed to be lifted, and when a worker carries out measurement work above the upper baffle, when the protective frame is transferred, the hydraulic rod is pulled out from the insertion sleeve firstly, then the hydraulic rod is contracted to the limit, and then the hydraulic rod is rotated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of underground protection, especially relates to a coal mine geological survey safety protection frame. BACKGROUND

[0002] In the mining process, miners need to measure in real time in the mine, and underground measurement is an important part of safe production in mine exploitation and is an important and rigorous technical work. The measurement is usually carried out in the roadway, and the measuring instrument is placed on the support for measurement. The current support is a tripod, which can provide stable support, but falling rocks often occur in the mine, which can cause danger to the measurement personnel and the measuring instrument. Therefore, safety protection is needed for the instrument and personnel during measurement.

[0003] After querying the prior art, it is found that patent application No. 202222429556.5 discloses a coal mine geological survey safety protection frame, which includes a protection part and a support part. The protection part includes an integrated U-shaped plate and a folding plate. One end of the folding plate is hinged to the U-shaped plate and is buckled to the U-shaped plate after being folded around the U-shaped plate. However, it is not conducive to transportation, and it is not easy to detect the top of the coal mine roadway. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings of the prior art, such as being not conducive to transportation and being not easy to detect the top of the coal mine roadway, and provides a coal mine geological survey safety protection frame.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a coal mine geological survey safety protection frame, including base and upper baffle, the lower surface of upper baffle is fixedly connected with four hinged seats, the inner wall of four hinged seats is all provided with hydraulic rod, the upper surface of base is fixedly connected with the bushing of position corresponding with hinged seat, the inner wall of bushing is inserted with hydraulic rod, the base is provided with adjusting mechanism, adjusting mechanism includes the internal thread sleeve of inlaying in the upper surface of base.

[0006] As a further description of the above technical scheme:

[0007] The inner wall of the internal thread sleeve is threadedly connected with a threaded column, and the upper surface of the threaded column is fixedly connected with a hexagonal block.

[0008] As a further description of the above technical scheme:

[0009] The lower surface of the threaded column is fixedly connected with an anti-skid seat, and the surface of the threaded column is provided with a wear-resistant plating layer.

[0010] As a further description of the above technical scheme:

[0011] The surface of the threaded column is threadedly connected with a locking nut.

[0012] As a further description of the above technical solution:

[0013] The upper surface of the upper baffle is provided with a mounting seat, and the upper surface of the mounting seat is provided with a detection groove.

[0014] As a further description of the above technical solution:

[0015] The surface of the mounting seat is provided with a slot, and the inner wall of the slot is inserted with a protective plate.

[0016] As a further description of the above technical solution:

[0017] The lower surface of the protective plate is fixedly connected with a handle.

[0018] As a further description of the above technical solution:

[0019] The upper surface of the upper baffle is fixedly connected with a connecting pipe, and the inner wall of the connecting pipe is slidingly connected with a top rod.

[0020] As a further description of the above technical solution:

[0021] One end of the top rod is fixedly connected with a piston, and the inner bottom wall of the connecting pipe is fixedly connected with an elastic block.

[0022] As a further description of the above technical solution:

[0023] The upper surface of the connecting pipe is inlaid with a cleaning ring, and the inner wall of the cleaning ring is slidingly connected with the top rod.

[0024] The utility model has the advantages of the following beneficial effects:

[0025] 1、Compared with the prior art, the coal mine geological survey safety protection frame, after the protection frame is transferred to the use site, the hydraulic rod is first rotated, then the hydraulic rod is inserted into the insert sleeve, the hydraulic rod is elongated, the upper baffle is pushed up, the staff carries out the measurement work above the upper baffle, when the protection frame is transferred, the hydraulic rod is first pulled out of the insert sleeve, then the hydraulic rod is contracted to the limit, the hydraulic rod on the upper baffle is folded, the occupied volume of the device is reduced, and the protection frame is convenient to transfer.

[0026] 2、Compared with the prior art, the coal mine geological survey safety protection frame, through the wrench rotating the hexagonal block, makes the threaded column rotate, through the threaded column and the internal thread sleeve thread cooperation, makes the threaded column up and down movement, makes the anti-skid seat abuts with the ground, adjusts the angle of the base, makes the base parallel with the underground ground, rotates the locking nut again, makes the locking nut abuts with the base, makes the threaded column locking, the threaded column is not easy to rotate, the detection instrument is placed on the base, the detection instrument can be parallel with the ground, convenient for the detection instrument use.

[0027] 3、Compared with the prior art, the coal mine geological survey safety protection frame, through the handle pushing the protection plate upward, pushes the protection plate out of the slot, moves the protection plate again, detects the coal mine top wall through the detection slot. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 The whole structure schematic diagram of the coal mine geological survey safety protection frame is provided for the utility model;

[0029] Figure 2 The threaded column structure schematic diagram of the coal mine geological survey safety protection frame is provided for the utility model;

[0030] Figure 3 The threaded column structure schematic diagram of the coal mine geological survey safety protection frame is provided for the utility model; Figure 1 The structure enlarged view of A place in the middle;

[0031] Figure 4 The upper baffle structure schematic diagram of the coal mine geological survey safety protection frame is provided for the utility model;

[0032] Figure 5 The protection plate turnover drawing of the coal mine geological survey safety protection frame is provided for the utility model;

[0033] Figure 6 The connection pipe internal structure schematic diagram of the coal mine geological survey safety protection frame is provided for the utility model.

[0034] LEGEND:

[0035] 1, base; 2, upper baffle; 3, hinged seat; 4, hydraulic rod; 5, insert sleeve; 6, hexagonal block; 7, threaded column; 8, anti-skid seat; 9, locking nut; 10, internal thread sleeve; 11, mounting seat; 12, detection slot; 13, slot; 14, protection plate; 15, handle; 16, connection pipe; 17, top rod; 18, piston; 19, elastic block; 20, cleaning ring. DETAILED DESCRIPTION

[0036] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0037] In the description of the present application, it should be noted that the directions or position relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the devices or elements indicated to have a specific direction, to be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0038] Embodiment:

[0039] With reference to Figures 1-6 , the present application provides a kind of coal mine geological survey safety protection frame: including base 1 and upper baffle 2, the lower surface of upper baffle 2 is fixedly connected with four hinged seats 3, the inner wall of four hinged seats 3 is all provided with hydraulic rod 4, the upper surface of base 1 is fixedly connected with the plug bushing 5 of position corresponding with hinged seat 3, the inner wall of plug bushing 5 is inserted with hydraulic rod 4, when transporting protection frame, first, hydraulic rod 4 is pulled out from plug bushing 5, then hydraulic rod 4 is retracted to limit, again, hydraulic rod 4 is rotated, and hydraulic rod 4 on upper baffle 2 is folded, reduce the occupied volume of device, facilitate protection frame transport, after protection frame is transferred to use place, first, hydraulic rod 4 is rotated, then hydraulic rod 4 is inserted into plug bushing 5, hydraulic rod 4 is elongated, upper baffle 2 is pushed up, and staff is measured above upper baffle 2.

[0040] In the present embodiment, with reference to Figure 1 、 Figure 2 and Figure 3The base 1 is provided with an adjusting mechanism, the adjusting mechanism comprises an internal thread sleeve 10 embedded on the upper surface of the base 1, the inner wall of the internal thread sleeve 10 is threadedly connected with a threaded column 7, the upper surface of the threaded column 7 is fixedly connected with a hexagonal block 6, the lower surface of the threaded column 7 is fixedly connected with an anti-skid base 8, the surface of the threaded column 7 is provided with a wear-resistant plating layer, the surface of the threaded column 7 is threadedly connected with a locking nut 9, when the base 1 is arranged, the hexagonal block 6 is rotated by a wrench, the threaded column 7 is rotated, the threaded column 7 is moved up and down through the threaded cooperation of the threaded column 7 and the internal thread sleeve 10, the anti-skid base 8 is abutted with the ground, the angle of the base 1 is adjusted, the base 1 is parallel to the underground ground, the locking nut 9 is rotated, the locking nut 9 is abutted with the base 1, the threaded column 7 is locked, the threaded column 7 is not easy to rotate, the detection instrument is placed on the base 1, the detection instrument can be parallel to the ground, and the detection instrument is convenient to use.

[0041] In the embodiment, with reference to Figure 1 、 Figure 3 、 Figure 4 and Figure 5 , the upper surface of the upper baffle 2 is provided with a mounting seat 11, the upper surface of the mounting seat 11 is provided with a detection groove 12, the surface of the mounting seat 11 is provided with a slot 13, the inner wall of the slot 13 is inserted with a protective plate 14, the lower surface of the protective plate 14 is fixedly connected with a handle 15, the protective plate 14 is pushed upward through the handle 15, the protective plate 14 is pushed out of the slot 13, and then the protective plate 14 is moved to detect the coal mine roof through the detection groove 12.

[0042] In the embodiment, with reference to Figure 1 、 Figure 4 and Figure 6 , the upper surface of the upper baffle 2 is fixedly connected with a connecting pipe 16, the inner wall of the connecting pipe 16 is slidably connected with a top rod 17, one end of the top rod 17 is fixedly connected with a piston 18, the inner bottom wall of the connecting pipe 16 is fixedly connected with an elastic block 19, the upper surface of the connecting pipe 16 is embedded with a cleaning ring 20, the inner wall of the cleaning ring 20 is slidably connected with the top rod 17, when the upper baffle 2 moves upward, the top rod 17 is abutted with the coal mine roof, the top rod 17 is slidably connected with the connecting pipe 16, and then the elastic block 19 is compressed, the elastic block 19 is elastically deformed, an elastic force is generated, the surface of the top rod 17 is cleaned by the cleaning ring 20, the part of the top rod 17 entering the inside of the connecting pipe 16 is cleaned, and the mechanism in the inside of the connecting pipe 16 is not easy to be corroded.

[0043] Working principle: step one, after the protective frame is transferred to the use site, the hydraulic rod 4 is rotated first, then the hydraulic rod 4 is inserted into the insertion sleeve 5, the hydraulic rod 4 is elongated, and the upper baffle 2 is pushed and lifted;

[0044] Step two, rotate the hexagonal block 6 by the wrench, make the threaded column 7 rotate, make the threaded column 7 move up and down through the threaded cooperation between the threaded column 7 and the internally threaded sleeve 10, make the anti-skid base 8 abut against the ground, adjust the angle of the base 1, make the base 1 parallel to the underground ground, then rotate the locking nut 9, make the locking nut 9 abut against the base 1, make the threaded column 7 locked, the threaded column 7 is not easy to rotate, place the detection instrument on the base 1, the detection instrument can be parallel to the ground, facilitate the use of the detection instrument;

[0045] Step three, move the upper baffle 2 upwards, make the top rod 17 abut against the coal mine top wall, make the top rod 17 slide and cooperate with the connecting pipe 16, then compress the elastic block 19, make the elastic block 19 elastically deformed, generate elastic force, make the top and bottom of the protection frame tightly abut, the protection frame is not easy to slide;

[0046] Step four, the staff measures above the upper baffle 2, push the protection plate 14 upwards through the handle 15, push the protection plate 14 out of the slot 13, then move the protection plate 14, detect the coal mine top wall through the detection slot 12.

[0047] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A safety shield for geological surveying in coal mines, comprising a base (1) and an upper shield (2), characterised in that: The lower surface of the upper baffle (2) is fixedly connected with four hinged seats (3), the inner walls of the four hinged seats (3) are all provided with hydraulic rods (4), the upper surface of the base (1) is fixedly connected with plug bushings (5) corresponding to the hinged seats (3), the inner walls of the plug bushings (5) are inserted with the hydraulic rods (4), the base (1) is provided with an adjusting mechanism, and the adjusting mechanism comprises an internal threaded sleeve (10) inlaid on the upper surface of the base (1).

2. The safety protection frame for coal mine geological surveying according to claim 1, characterized in that: The inner wall of the internal threaded sleeve (10) is threadedly connected with a threaded column (7), and the upper surface of the threaded column (7) is fixedly connected with a hexagonal block (6).

3. The safety shield for geological surveying in coal mines according to claim 2, characterized in that: The lower surface of the threaded column (7) is fixedly connected with an anti-skid seat (8), and the surface of the threaded column (7) is provided with a wear-resistant plating layer.

4. The safety protection frame for coal mine geological surveying according to claim 3, characterized in that: The surface of the threaded column (7) is threadedly connected with a locking nut (9).

5. The safety protection frame for coal mine geological surveying according to claim 1, characterized in that: The upper surface of the upper baffle (2) is provided with a mounting seat (11), and the upper surface of the mounting seat (11) is provided with a detection groove (12).

6. The safety protection frame for coal mine geological surveying according to claim 5, characterized in that: The surface of the mounting seat (11) is provided with a slot (13), and the inner wall of the slot (13) is inserted with a protective plate (14).

7. The safety shield for geological surveying in coal mines according to claim 6, characterized in that: The lower surface of the protective plate (14) is fixedly connected with a handle (15).

8. The safety protection frame for coal mine geological surveying according to claim 1, characterized in that: The upper surface of the upper baffle (2) is fixedly connected with a connecting pipe (16), and the inner wall of the connecting pipe (16) is slidably connected with a jacking rod (17).

9. The safety shield for geological surveying in coal mines according to claim 8, characterized in that: One end of the jacking rod (17) is fixedly connected with a piston (18), and the inner bottom wall of the connecting pipe (16) is fixedly connected with an elastic block (19).

10. The safety shield for geological surveying in coal mines according to claim 9, characterized in that: The upper surface of the connecting pipe (16) is inlaid with a cleaning ring (20), and the inner wall of the cleaning ring (20) is slidably connected with the jacking rod (17).

Citation Information

Patent Citations

  • Safety protection frame for coal mine geological survey

    CN218159635U