Mining roof separation layer sensor

By designing a splicable support sleeve and locking structure, the problem of the non-adjustable length of traditional anchoring pipes is solved, thus expanding the applicable range of mine roof delamination sensors.

CN223870067UActive Publication Date: 2026-02-03ZHILING (SHANDONG) OPTOELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202520133653.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-02-03
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

The anchoring tube length of traditional mine roof delamination sensors is not easy to adjust, limiting their applicability.

Method used

A first and second support sleeve rod that can be spliced ​​together are designed. The rod body can be spliced ​​and fixed as needed through the cooperation of fixed hooks and locking grooves. The rod body is relatively fixed by using limiting blocks and limiting holes, which enhances the applicability.

Benefits of technology

The modular design of the rods increases the applicability of the anchoring pipes, meets the needs of different lengths, and enhances the applicability of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223870067U_ABST
Patent Text Reader

Abstract

The utility model discloses a mining roof separation sensor which comprises a sensor body, an optical fiber quick-plug connector fixedly arranged on one side of the sensor body, an installation roof fixedly arranged at the top end of the sensor body, a fixed base fixedly arranged at the top end of the installation roof, and a separation column fixedly arranged in the fixed base. A partition column is arranged in the fixed base, symmetrical threading holes are formed in the partition column, a first supporting sleeve rod is in threaded connection with the interior of a base body of the fixed base, connecting threads are formed in the bottom end of the first supporting sleeve rod, and a first supporting assembly and a connecting assembly are fixedly arranged at the top end of the first supporting sleeve rod. The bottom end of one rod body is connected with the top end of the other rod body, the rod body and the other rod body are relatively fixed through a limiting block and a limiting hole which are designed in a matched mode, mutual splicing of the rod bodies is completed, different numbers of rod bodies can be selected for splicing and fixing according to stretching and retracting of mounting holes, and the application range of the device is widened.
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Description

Technical Field

[0001] This utility model relates to the field of mine roof delamination sensor technology, specifically a mine roof delamination sensor. Background Technology

[0002] A mine roof delamination sensor is a sensor used to monitor roof delamination in coal mine roadways. It is of great significance for preventing roadway collapse accidents and improving the safety of mining activities. A mine roof delamination sensor usually consists of a body and an anchoring pipe. The anchoring pipe extends into the borehole in the roadway, and its wall is equipped with a structure for fixing. The sensor has a measuring device inside, which is generally connected to different depths of the roof through components such as steel wire ropes. As the roof strata move, the position of the anchoring points at different depths relative to the sensor will change. The sensor determines the delamination status of the roof by measuring these position changes.

[0003] Traditional anchoring pipes mainly consist of a solid body and a fixed structure for the pipe wall. The pipe body is usually composed of a single pipe or multiple pipe bodies connected by threads. Anchoring pipes composed of a single pipe body are usually not easy to adjust in length and have a limited range of applications. Utility Model Content

[0004] The purpose of this utility model is to provide a mine roof delamination sensor to solve the problems mentioned in the background art. Traditional anchoring pipes are mainly composed of a solid body and a fixed structure of the pipe wall. The pipe body is usually composed of a single pipe body or multiple pipe bodies connected by threads. Anchoring pipes composed of a single pipe body are usually inconvenient to adjust in length and have a limited range of applications.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a mine roof delamination sensor, comprising a sensor body, a fiber optic quick-connect connector fixedly disposed on one side of the sensor body, a mounting roof plate fixedly disposed on the top of the sensor body, a fixed base fixedly disposed on the top of the mounting roof plate, a partition column fixedly disposed inside the fixed base, symmetrical wire-passing holes opened inside the partition column, a first support sleeve rod threadedly connected inside the fixed base body, a connecting thread opened at the bottom end of the first support sleeve rod, a first support component and a connecting component fixedly disposed at the top end of the first support sleeve rod, thereby completing the mutual splicing of the rods and facilitating the selection of different numbers of rods for splicing and fixing according to the expansion and contraction of the mounting holes, thus improving the applicability of the device.

[0006] Preferably, the first support component includes a limiting block and a locking ring. The limiting blocks are symmetrically arranged on the outer side wall of the top end of the first support sleeve, and the locking ring is fixedly sleeved on the outside of the first support sleeve, so that the rotating ring seat can rotate and at the same time limits the second support sleeve.

[0007] Preferably, the second connecting assembly includes a rotating ring seat, a mounting base tube, a column, a tension spring, a movable ring, and a fixed hook. The rotating ring seat is rotatably connected to the top of the first support sleeve rod. The mounting base tube is symmetrically arranged at the top of the rotating ring seat. A column is fixedly arranged inside the mounting base tube. A tension spring is sleeved on the outside of the column. A movable ring is fixedly connected to the top of the tension spring. A fixed hook is fixedly arranged at the top of the movable ring. Pull rods corresponding to the positions of the fixed hooks are symmetrically arranged on the outer wall of the movable ring, so that the height of the movable ring is variable. The movable ring and the second support sleeve rod are connected by the fixed hook and the engaging groove.

[0008] Preferably, the fixed hook is movably connected to a second support sleeve rod, the bottom end of the second support sleeve rod is provided with a locking groove that matches the fixed hook, and the inside of the second support sleeve rod is provided with a limiting hole that matches the limiting block, thereby limiting the first support sleeve.

[0009] Preferably, the inner wall of the rotating ring seat is provided with an annular groove, which matches the locking ring, so that the rotating ring seat rotates while preventing it from moving up and down.

[0010] Preferably, the end of the second support sleeve at the top is provided with a threaded groove, and a sealing block is connected to the top of the second support sleeve. Anchoring springs are fixedly sleeved on the outer sides of both the first and second support sleeves, and the anchoring rings contact the inner wall of the mounting hole to achieve positioning of the first and second support sleeves.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] By designing a first and second support sleeve that can be spliced ​​together, the bottom end of one rod and the top end of another rod can be connected through the cooperation of a fixed hook and a locking groove. The designed limiting block and limiting hole can fix one rod and another rod relative to each other, and the splicing of the rods can be completed. This makes it easy to select different numbers of rods for splicing and fixing according to the expansion and contraction of the mounting hole, thereby improving the applicability of the device. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the connecting component structure of this utility model;

[0015] Figure 3 This is a schematic diagram showing the location distribution of the sealing blocks in this utility model;

[0016] Figure 4 This utility model Figure 1 A magnified view of the structure at point A in the middle;

[0017] Figure 5This utility model Figure 2 A magnified schematic diagram of the structure at point B in the middle.

[0018] In the diagram: 1. Sensor body; 2. Mounting top plate; 3. Fiber optic quick connector; 4. Separator column; 5. Wiring hole; 6. Fixed base; 7. First support sleeve; 8. Connecting thread; 9. Anchoring spring; 10. Limiting block; 11. Engaging ring; 12. Rotating ring seat; 13. Mounting bottom tube; 14. Column; 15. Tension spring; 16. Moving ring; 17. Fixed hook; 18. Engaging groove; 19. Second support sleeve; 20. Sealing block. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0020] Please see Figure 1-5 This utility model provides a mine roof delamination sensor, including a sensor body 1. A fiber optic quick-connect connector 3 is fixedly installed on one side of the sensor body 1 for connecting sensing wires. A mounting plate 2 is fixedly installed at the top of the sensor body 1, and a fixed base 6 is fixedly installed at the top of the mounting plate 2. A partition column 4 is fixedly installed inside the fixed base 6, and symmetrical wire-passing holes 5 are opened inside the partition column 4 for steel wire ropes to pass through. Before using the device, one end of the steel wire rope for conduction is connected to the inside of the sensor body 1, and the other end of the steel wire rope is connected to the base point in the mounting hole. A first support sleeve 7 is threadedly connected inside the fixed base 6. A connecting thread 8 is opened at the bottom of the first support sleeve 7, which matches the fixed base 6 to complete the mating and fixing of the first support sleeve 7. A first support assembly and a connecting assembly are fixedly installed at the top of the first support sleeve 7. The first support component includes a limiting block 10 and a locking ring 11. The limiting block 10 is symmetrically arranged on the outer side of the top end of the first support sleeve 7. The locking ring 11 is fixedly sleeved on the outside of the first support sleeve 7. The second connecting component includes a rotating ring seat 12, a mounting base tube 13, a column 14, a tension spring 15, a moving ring 16, and a fixed hook 17. The rotating ring seat 12 is rotatably connected to the top end of the first support sleeve 7. The mounting base tube 13 is symmetrically arranged on the top end of the rotating ring seat 12. The column 14 is fixedly arranged inside the mounting base tube 13. The column 14 is inserted into the moving ring 16 to limit the movement of the moving ring 16. The tension spring 15 is sleeved on the outside of the column 14. The moving ring 16 is fixedly connected to the top end of the tension spring 15. The fixed hook 17 is fixedly arranged on the top end of the moving ring 16. The pull rods corresponding to the positions of the fixed hooks 17 are symmetrically arranged on the outer side of the moving ring 16. The pull rods provide a force point for lifting the moving ring 16 upward.

[0021] When installing the first support sleeve 7, tighten the first support sleeve 7 so that the connecting thread 8 at the bottom of the first support sleeve 7 engages with the fixed base 6, and the first support sleeve 7 is installed and fixed.

[0022] The fixed hook 17 is movably connected to the second support sleeve 19. The bottom end of the second support sleeve 19 is provided with a locking groove 18 that matches the fixed hook 17. The inside of the second support sleeve 19 is provided with a limiting hole that matches the limiting block 10 to prevent the second support sleeve 19 from rotating relative to the first support sleeve 7. The inner wall of the rotating ring seat 12 is provided with an annular groove that matches the locking ring 11. The end of the second support sleeve 19 at the top is provided with a screw groove. The top of the second support sleeve 19 is connected to a sealing block 20. Anchoring springs 9 are fixedly sleeved on the outer sides of both the first support sleeve 7 and the second support sleeve 19. The anchoring ring contacts the inner wall of the mounting hole to achieve positioning of the first support sleeve 7 and the second support sleeve 19.

[0023] When installing the second support sleeve 19, the bottom end of the second support sleeve 19 is fitted onto the top end, so that the position of the limiting block 10 corresponds to the position of the limiting hole inside the rotating ring seat 12. At the same time, the position of the fixed hook 17 at the top end of the rotating ring seat 12 corresponds to the position of the engaging groove 18 at the bottom end of the second support sleeve 19. Pull the lever upward by hand, so that the moving ring 16 moves upward and the tension spring 15 is stretched under force. At the same time, rotate the rotating ring seat 12, and the installation base tube 13, column 14, tension spring 15, moving ring 16, and fixed hook 17 rotate accordingly, so that the fixed hook 17 is engaged in the engaging groove 18. After releasing, the tension spring 15 pulls the rotating ring seat 12, moving ring 16, and fixed hook 17 downward into the engaging groove 18, completing the connection between the first support sleeve 7 and the second support sleeve 19.

[0024] When this application embodiment is used:

[0025] First, tighten the first support sleeve 7 to engage the connecting thread 8 at the bottom of the first support sleeve 7 with the fixed base 6, thus fixing the first support sleeve 7 in place. Then, place the bottom end of the second support sleeve 19 onto the top end, aligning the limiting block 10 with the limiting hole inside the rotating ring seat 12. Simultaneously, align the fixing hook 17 at the top of the rotating ring seat 12 with the engaging groove 18 at the bottom of the second support sleeve 19. Pull the lever upwards by hand to move the moving ring 16 upwards, causing the tension spring 15 to stretch under the force. At the same time, rotate the rotating ring seat 12 to install the base tube 13 and the column. 14. The tension spring 15, the moving ring 16, and the fixed hook 17 rotate accordingly, causing the fixed hook 17 to engage with the locking groove 18. After releasing, the tension spring 15 pulls the rotating ring seat 12, the moving ring 16, and the fixed hook 17 downwards into the locking groove 18, completing the connection between the first support sleeve 7 and the second support sleeve 19. Different numbers of second support sleeves 19 can be selected according to actual needs. Then, the sealing block 20 is screwed onto the end. Finally, one end of the steel wire rope used for transmission is connected to the inside of the sensor body 1, and the other end of the steel wire rope is connected to the base point in the mounting hole.

[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A mine roof delamination sensor, comprising a sensor body (1), characterized in that: A fiber optic quick-connect connector (3) is fixedly installed on one side of the sensor body (1). A mounting plate (2) is fixedly installed on the top of the sensor body (1). A fixed base (6) is fixedly installed on the top of the mounting plate (2). A partition column (4) is fixedly installed inside the fixed base (6). A symmetrical wire hole (5) is opened inside the partition column (4). A first support sleeve rod (7) is threadedly connected inside the fixed base (6). A connecting thread (8) is opened at the bottom end of the first support sleeve rod (7). A support component and a connecting component are fixedly installed at the top of the first support sleeve rod (7).

2. A mine roof delamination sensor according to claim 1, characterized in that: The support assembly includes a limiting block (10) and a locking ring (11). The limiting block (10) is symmetrically arranged on the outer side wall of the top end of the first support sleeve (7), and the locking ring (11) is fixedly sleeved on the outside of the first support sleeve (7).

3. A mine roof delamination sensor according to claim 1, characterized in that: The connecting assembly includes a rotating ring seat (12), a mounting base tube (13), a column (14), a tension spring (15), a movable ring (16), and a fixed hook (17). The top end of the first support sleeve rod (7) is rotatably connected to the rotating ring seat (12). The top end of the rotating ring seat (12) is symmetrically provided with the mounting base tube (13). The inside of the mounting base tube (13) is fixedly provided with the column (14). The outside of the column (14) is sleeved with the tension spring (15). The top end of the tension spring (15) is fixedly connected with the movable ring (16). The top end of the movable ring (16) is fixedly provided with the fixed hook (17). The outer wall of the movable ring (16) is symmetrically provided with pull rods corresponding to the positions of the fixed hook (17).

4. A mine roof delamination sensor according to claim 3, characterized in that: The fixed hook (17) is movably connected to the second support sleeve (19). The bottom end of the second support sleeve (19) is provided with a locking groove (18) that matches the fixed hook (17). The inside of the second support sleeve (19) is provided with a limiting hole that matches the limiting block (10).

5. A mine roof delamination sensor according to claim 3, characterized in that: The inner wall of the rotating ring seat (12) is provided with an annular groove, which matches the locking ring (11).

6. A mine roof delamination sensor according to claim 4, characterized in that: The second support sleeve (19) at the top has a threaded groove at its end, and a sealing block (20) is connected to the top of the second support sleeve (19). An anchoring spring (9) is fixedly sleeved on the outer side of both the first support sleeve (7) and the second support sleeve (19).