Monitoring device for advanced bearing pressure area of coal mine working face

Abstract

The utility model discloses a coal mine working face advanced bearing pressure area monitoring device, and relates to the technical field of coal mine safety monitoring. The device comprises a base plate and a monitor cover plate, the monitor cover plate is movably attached to the upper surface of the base plate, auxiliary maintenance assemblies are arranged on the base plate and the monitor cover plate, installation bolts are inserted into the base plate in a threaded mode, a first sealing strip is fixedly arranged on the lower surface of the monitor cover plate, and a first sealing groove is formed in the upper surface of the base plate. During use, when equipment is damaged, the upper cover can be quickly disassembled, so that the equipment can be conveniently and quickly maintained, after maintenance is completed, the upper cover can be conveniently installed, efficiency is improved, and when the upper cover is used, the upper cover can be quickly disassembled, and the equipment can be conveniently and quickly maintained. And moisture in the equipment can be adsorbed, the drying degree in the equipment is improved, and damage to the equipment due to too large moisture is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine safety monitoring, in particular to a coal mine working face advanced support pressure zone monitoring device. Background Art

[0002] After the working face of the upper section of the coal mine was mined, the surrounding rock stress was redistributed due to the collapse of the roof rock layer and the movement of the overlying rock layer, generating lateral support pressure on both sides of the goaf, and forming stress reduction zones, stress increase zones and original rock stress zones from the edge of the goaf to the depths of the coal body.

[0003] When the existing monitoring instruments are in use, the upper cover of the monitoring instruments is mostly fixedly connected to the equipment, which makes it inconvenient to repair the equipment when it is damaged. Directly replacing the equipment will increase the production cost. In addition, since the monitoring instruments are used underground, the equipment is easily damaged. In view of the above problems, the inventors have proposed a coal mine working face advance support pressure zone monitoring device to solve the above problems. Utility Model Content

[0004] In order to solve the problem that when the monitor is in use, the upper cover of the monitor is fixedly connected to the equipment, which makes it inconvenient to repair the equipment when it is damaged, and directly replacing the equipment will increase the production cost, and the monitor is used underground, which can easily cause the equipment to be damaged; the purpose of the utility model is to provide a coal mine working face advance support pressure zone monitoring device.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a coal mine working face advanced support pressure zone monitoring device, including a base plate and a monitor cover plate, the monitor cover plate is movably fitted with the upper surface of the base plate, the base plate and the monitor cover plate are both provided with auxiliary maintenance components, the base plate is threaded with mounting bolts, the lower surface of the monitor cover plate is fixedly provided with a first sealing strip, the upper surface of the base plate is provided with a first sealing groove, the first sealing strip is movably fitted with the inner surface of the first sealing groove, and the monitor cover plate and the base plate are both connected with a dehumidification component;

[0006] The auxiliary maintenance component includes a square block, which is fixedly connected to the side of the monitor cover, and a limit hole is provided on the side of the square block. A square groove is provided on the upper surface of the substrate, and the square block is in movably contact with the inner surface of the square groove. A support block is fixedly provided on the upper surface of the substrate, and a cylinder is fixedly provided on the upper surface of the support block. A fixed frame is fixedly provided on the outer surface of the cylinder, and a spring is fixedly provided on the inner surface of the cylinder. There are six springs, and the springs are distributed in an annular array between the inner surface of the cylinder and the circular block. A circular block is fixedly provided at the other end of the spring, and a limit block is fixedly provided on the side of the circular block away from the spring. The limit block is movably inserted in the limit hole, and a protrusion is fixedly provided on the outer surface of the circular block. The protrusion slides and fits with the inner surface of the fixed frame, and a notch is provided on the upper surface of the protrusion.

[0007] Preferably, the dehumidification component includes a through hole, a square plate and a desiccant, the through hole is opened on the side of the monitor cover, a fixing box is fixedly provided on the upper surface of the substrate, the outer surface of the monitor cover is movably contacted with the side of the fixing box, a second sealing strip is fixedly provided on the lower surface of the square plate, a second sealing groove is opened on the upper surface of the fixing box, the second sealing strip is movably fitted with the second sealing groove, the square plate is movably fitted with the upper surface of the fixing box, a placement box is fixedly provided on the lower surface of the square plate, the placement box is movably inserted into the interior of the fixing box, a circular hole is opened on the side of the placement box, a plurality of circular holes are provided, and the circular hole array is distributed on the side of the placement box, and the desiccant block is movably fitted with the inner surface of the placement box.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. When the utility model is in use, the upper cover can be quickly disassembled when the equipment is damaged, so that the equipment can be repaired conveniently and quickly, and after the repair is completed, it is also convenient to install and improve efficiency;

[0010] 2. When the utility model is in use, it can absorb the moisture inside the equipment, improve the dryness inside the equipment, and avoid damage to the equipment due to excessive moisture. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 This is a schematic diagram of the structure of the auxiliary maintenance component of the utility model.

[0014] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0015] Figure 4 This is a schematic diagram of the structure of the dehumidification component of the utility model.

[0016] In the figure: 1. base plate; 11. mounting bolts; 2. monitor cover; 3. auxiliary maintenance assembly; 31. square block; 311. limiting hole; 32. square groove; 33. support block; 34. cylinder; 341. fixing frame; 35. spring; 36. round block; 37. limiting block; 38. protrusion; 39. notch; 4. first sealing groove; 41. first sealing strip; 5. dehumidification assembly; 51. through hole; 52. fixing box; 521. second sealing groove; 53. square plate; 531. second sealing strip; 54. placement box; 55. round hole; 56. desiccant block. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Embodiment 1: Figure 1-4 As shown, the utility model provides a monitoring device for the advanced support pressure zone of a coal mine working face, comprising a base plate 1 and a monitor cover plate 2, the monitor cover plate 2 is movably fitted with the upper surface of the base plate 1, a mounting bolt 11 is threadedly inserted on the base plate 1, and the base plate 1 is convenient for installing the base plate 1, an auxiliary maintenance component 3 is provided on the base plate 1 and the monitor cover plate 2, and a dehumidification component 5 is connected to the monitor cover plate 2 and the base plate 1;

[0019] The auxiliary maintenance component 3 includes a square block 31, which is fixedly connected to the side of the monitor cover 2. A limiting hole 311 is provided on the side of the square block 31. A square groove 32 is provided on the upper surface of the substrate 1. The square block 31 is in active contact with the inner surface of the square groove 32. A supporting block 33 is fixedly provided on the upper surface of the substrate 1. A cylinder 34 is fixedly provided on the upper surface of the supporting block 33. A fixing frame 341 is fixedly provided on the outer surface of the cylinder 34. A spring 35 is fixedly provided on the inner surface of the cylinder 34. A circular block 36 is fixedly provided on the other end of the spring 35. A limiting block 37 is fixedly provided on the side of the circular block 36 away from the spring 35. When it is necessary to repair the monitor, the protrusion 38 can be pulled to move through the notch 39. The circular block 36 can be driven to move through the protrusion 38, so that the limiting block 37 set on one side of the circular block 36 is separated from the limiting hole 311. Then the monitor cover 2 can be removed to repair the components set on the substrate 1.

[0020] Six springs 35 are provided, and the springs 35 are distributed in an annular array between the inner surface of the cylinder 34 and the circular block 36. The stability of the connection can be improved by providing multiple springs 35. The limit block 37 is movably inserted in the limit hole 311. The outer surface of the circular block 36 is fixed with a protrusion 38, and the protrusion 38 is slidably fitted with the inner surface of the fixed frame 341. The upper surface of the protrusion 38 is provided with a notch 39 to facilitate the movement of the protrusion 38. The lower surface of the monitor cover 2 is fixed with a first sealing strip 41, and the upper surface of the substrate 1 is provided with a first sealing groove 4. The first sealing strip 41 is movably fitted with the inner surface of the first sealing groove 4, which can improve the sealing after connection. After the inspection is completed, the protrusion 38 can be pulled again to move the limit block 37 to the inside of the cylinder 34. After the first sealing strip 41 is placed in the first sealing groove 4, the protrusion 38 is released to allow the limit block 37 to enter the inside of the limit hole 311 with the help of the force of the spring 35, and the installation of the monitor cover 2 is completed;

[0021] The dehumidification assembly 5 includes a through hole 51, a square plate 53 and a desiccant 56. The through hole 51 is opened on the side of the monitor cover 2. A fixed box 52 is fixed on the upper surface of the substrate 1. The outer surface of the monitor cover 2 is in active contact with the side of the fixed box 52. The square plate 53 is in active contact with the upper surface of the fixed box 52. The desiccant block 56 cooperates with the through hole 51 and the circular hole 55 to adsorb moisture and keep the interior of the device in a dry state. After moving the square plate 53, the placement box 54 can be taken out of the fixed box 52 to replace the desiccant block 6 inside.

[0022] A second sealing strip 531 is fixedly provided on the lower surface of the square plate 53, a second sealing groove 521 is provided on the upper surface of the fixed box 52, the second sealing strip 531 and the second sealing groove 521 are movably fitted to improve the sealing performance, a placement box 54 is fixedly provided on the lower surface of the square plate 53, the placement box 54 is movably inserted into the interior of the fixed box 52, a circular hole 55 is provided on the side of the placement box 54, a plurality of circular holes 55 are provided, and the circular holes 55 are arrayed on the side of the placement box 54 to assist airflow, and a desiccant block 56 is movably fitted to the inner surface of the placement box 54.

[0023] Working principle: When the utility model is in use, when it is necessary to inspect the monitor, the convex block 38 can be pulled to move through the notch 39, and the convex block 38 can drive the circular block 36 to move, so that the limit block 37 set on one side of the circular block 36 is separated from the limit hole 311, and then the monitor cover 2 can be removed to inspect the components set on the substrate 1;

[0024] After the inspection is completed, the protrusion 38 can be pulled again to move the limit block 37 into the cylinder 34, and after the first sealing strip 41 is placed into the first sealing groove 4, the protrusion 38 is released to allow the limit block 37 to enter the limit hole 311 with the help of the force of the spring 35, and the installation of the monitor cover 2 is completed;

[0025] The desiccant block 56 cooperates with the through hole 51 and the circular hole 55 to adsorb moisture and keep the interior of the device dry. By moving the square plate 53, the placement box 54 can be taken out from the fixed box 52 and the desiccant block 6 inside can be replaced.

[0026] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A coal mine working face advanced support pressure zone monitoring device, comprising a base plate (1) and a monitor cover plate (2), characterized in that: The monitor cover (2) is movably fitted to the upper surface of the base plate (1); the base plate (1) and the monitor cover (2) are both provided with auxiliary maintenance components (3); and the monitor cover (2) and the base plate (1) are both connected with dehumidification components (5); The auxiliary maintenance component (3) comprises a square block (31), the square block (31) is fixedly connected to the side of the monitor cover (2), a limiting hole (311) is provided on the side of the square block (31), a square groove (32) is provided on the upper surface of the base plate (1), the square block (31) is in movable contact with the inner surface of the square groove (32), a support block (33) is fixedly provided on the upper surface of the base plate (1), a cylinder (34) is fixedly provided on the upper surface of the support block (33), and the cylinder (34) ) is fixedly provided with a fixing frame (341) on the outer surface of the cylinder (34), a spring (35) is fixedly provided on the inner surface of the cylinder (34), a circular block (36) is fixedly provided on the other end of the spring (35), a limiting block (37) is fixedly provided on the side of the circular block (36) away from the spring (35), the limiting block (37) is movably inserted in the limiting hole (311), a convex block (38) is fixedly provided on the outer surface of the circular block (36), and the convex block (38) is slidably fitted with the inner surface of the fixing frame (341).

2. A coal mine working face advanced support pressure zone monitoring device as claimed in claim 1, characterized in that: The dehumidification component (5) comprises a through hole (51), a square plate (53) and a desiccant block (56); the through hole (51) is provided on the side of the monitor cover (2); a fixing box (52) is fixedly provided on the upper surface of the base plate (1); the outer surface of the monitor cover (2) is in movably contact with the side of the fixing box (52); the square plate (53) is movably fitted with the upper surface of the fixing box (52); a placement box (54) is fixedly provided on the lower surface of the square plate (53); the placement box (54) is movably inserted into the interior of the fixing box (52); a round hole (55) is provided on the side of the placement box (54); and the desiccant block (56) is movably fitted with the inner surface of the placement box (54).

3. A coal mine working face advanced support pressure zone monitoring device as claimed in claim 1, characterized in that: A first sealing strip (41) is fixedly provided on the lower surface of the monitor cover (2), a first sealing groove (4) is provided on the upper surface of the base plate (1), and the first sealing strip (41) is movably fitted with the inner surface of the first sealing groove (4).

4. A coal mine working face advanced support pressure zone monitoring device as claimed in claim 1, characterized in that: The upper surface of the protrusion (38) is provided with a notch (39).

5. A coal mine working face advanced support pressure zone monitoring device as claimed in claim 1, characterized in that: The base plate (1) is threadedly inserted with a mounting bolt (11).

6. A coal mine working face advanced support pressure zone monitoring device as claimed in claim 1, characterized in that: There are six springs (35), and the springs (35) are distributed in an annular array between the inner surface of the cylinder (34) and the circular block (36).

7. A coal mine working face advanced support pressure zone monitoring device as claimed in claim 2, characterized in that: A plurality of circular holes (55) are provided, and the circular holes (55) are distributed in an array on the side of the placement box (54).

8. A coal mine working face advanced support pressure zone monitoring device as claimed in claim 2, characterized in that: A second sealing strip (531) is fixedly provided on the lower surface of the square plate (53), a second sealing groove (521) is provided on the upper surface of the fixed box (52), and the second sealing strip (531) is movably fitted with the second sealing groove (521).

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