CN219415991U - Top and bottom plate move nearly volume monitoring devices - Google Patents

Abstract

The utility model provides a device for monitoring the approaching amount of a top plate and a bottom plate, which is characterized in that a spring stretching mechanism, a supporting component and a supporting rod component are arranged; the support component is positioned below the spring stretching mechanism, and the stay bar component is positioned above the spring stretching mechanism; the spring stretching mechanism comprises a shell, a movable block, a spring, a stay cord sensor and a limiting piece; the bottom of the shell is extended with a first pipeline; the movable block and the spring are arranged in the first pipeline, the upper end of the spring is propped against the lower surface of the movable block, and the lower end of the spring is propped against the bottom of the first pipeline; the stay rope sensor is arranged in the shell, and a stay rope of the stay rope sensor passes through the movable block and is connected with the limiting block; the lower end of the first pipeline is sleeved in the supporting component, and the total height of the first pipeline and the supporting component can be adjusted; the lower extreme of vaulting pole subassembly inserts in the shell to support and hold in movable block upper surface, not only can nimble control roof subsidence, survey displacement change rule, and the range is big, easy operation, simple to operate.

Description

Top and bottom plate move nearly volume monitoring devices

Technical Field

The utility model relates to the technical field of mining equipment, in particular to a device for monitoring the approaching amount of a top plate and a bottom plate.

Background

The mechanical roof dynamic instrument is an intelligent instrument for monitoring the conditions of roof and floor displacement, roadway wall rock crack development and the like in a coal mine, can measure the displacement change condition of rock stratum, measures the approaching amount of the roof and floor, can estimate the approaching speed by continuous observation, predicts the stope pressure, detects the peak displacement value of supporting pressure and the like, and is one of basic tools for observing the stope mine pressure.

However, the existing monitoring device is small in measuring range, difficult to adjust, complex in operation, inconvenient to install and use and cannot be suitable for roadway environments.

Disclosure of Invention

First, the technical problem to be solved

In order to solve the above problems in the prior art, the present utility model provides a device for monitoring the approach amount of a top plate and a bottom plate, which can solve the above technical problems.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

a device for monitoring the approaching amount of a top plate and a bottom plate comprises a spring stretching mechanism, a supporting component and a supporting rod component;

the support component is positioned below the spring stretching mechanism, and the support rod component is positioned above the spring stretching mechanism;

the spring stretching mechanism comprises a shell, a movable block, a spring, a stay cord sensor and a limiting piece;

a first pipeline extends from the bottom of the shell;

the movable block and the spring are both arranged in the first pipeline, the upper end of the spring is propped against the lower surface of the movable block, and the lower end of the spring is propped against the bottom of the first pipeline;

the stay rope sensor is arranged in the shell, and a stay rope of the stay rope sensor penetrates through the movable block and then is connected with the limiting block;

the lower end of the first pipeline is sleeved in the supporting component, and the total height of the first pipeline and the supporting component can be adjusted;

the lower end of the stay bar component is inserted into the shell and is propped against the upper surface of the movable block.

Further, a waterproof connector is further arranged on the shell and used for being connected with a communication cable;

the stay cord sensor is connected with the communication cable of access electricity.

Further, the spring stretching mechanism further comprises a compression ring;

the compression ring is arranged in the first pipeline and is positioned above the movable block.

Further, a small hole is formed in the outer edge of the movable block;

the limiting piece is an M3 nut;

and a pull rope of the pull rope sensor passes through the small hole and is connected with the M3 nut.

Further, the support assembly comprises a support base, a hoop and a second pipeline;

the support base is fixed at the lower end of the second pipeline, and the anchor ear is arranged at the upper end of the second pipeline;

the lower end of the first pipeline is sleeved at the upper end of the second pipeline, and the position is fixed through the anchor ear.

Further, the stay bar assembly comprises a top stay bar, a support seat and a bottom stay bar;

the lower end of the supporting seat is connected with the upper end of the top supporting rod through threads;

the lower end of the top stay bar is connected with the upper end of the bottom stay bar through threads;

the lower end of the bottom stay bar is inserted into the shell and is propped against the upper surface of the movable block.

(III) beneficial effects

The utility model has the beneficial effects that: by arranging the spring stretching mechanism, the supporting component and the supporting rod component; the support component is positioned below the spring stretching mechanism, and the stay bar component is positioned above the spring stretching mechanism; the spring stretching mechanism comprises a shell, a movable block, a spring, a stay cord sensor and a limiting piece; the bottom of the shell is extended with a first pipeline; the movable block and the spring are arranged in the first pipeline, the upper end of the spring is propped against the lower surface of the movable block, and the lower end of the spring is propped against the bottom of the first pipeline; the stay rope sensor is arranged in the shell, and a stay rope of the stay rope sensor passes through the movable block and is connected with the limiting block; the lower end of the first pipeline is sleeved in the supporting component, and the total height of the first pipeline and the supporting component can be adjusted; the lower extreme of vaulting pole subassembly inserts in the shell to support and hold in movable block upper surface, not only can nimble control roof subsidence, survey displacement change rule, and the range is big, easy operation, simple to operate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a device for monitoring the approach of a top plate to a bottom plate according to an embodiment of the present utility model;

FIG. 2 is an assembled schematic view of a device for monitoring the amount of displacement of a top plate and a bottom plate according to an embodiment of the present utility model;

FIG. 3 is an exploded view of a device for monitoring the amount of displacement of a top and bottom plate according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the bottom stay bar of the device for monitoring the displacement of the top and bottom plates according to the embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the support and the support of the device for monitoring the displacement of the top and bottom plates according to the embodiment of the utility model;

fig. 6 is a schematic diagram of an internal structure of a device for monitoring the approach of a top plate to a bottom plate according to an embodiment of the present utility model.

[ reference numerals description ]

1. A spring stretching mechanism;

11. a housing; 12. a movable block; 13. a spring; 14. a pull rope sensor; 15. a limiting piece; 16. a first pipe; 17. a compression ring;

2. a support assembly;

21. a support base; 22. a hoop; 23. a second pipe;

3. a brace bar assembly;

31. a top brace; 32. a support base; 33. a bottom stay;

4. waterproof joint.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.

Referring to fig. 1 to 6, a device for monitoring the approaching amount of a top plate and a bottom plate comprises a spring stretching mechanism 1, a supporting component 2 and a supporting rod component 3;

the supporting component 2 is positioned below the spring stretching mechanism 1, and the supporting rod component 3 is positioned above the spring stretching mechanism 1;

the spring stretching mechanism 1 comprises a shell 11, a movable block 12, a spring 13, a stay cord sensor 14 and a limiting piece 15;

a first pipe 16 extends from the bottom of the housing 11;

the movable block 12 and the spring 13 are both arranged in the first pipeline 16, the upper end of the spring 13 is propped against the lower surface of the movable block 12, and the lower end of the spring 13 is propped against the bottom of the first pipeline 16;

the pull rope sensor 14 is arranged in the shell 11, and a pull rope of the pull rope sensor 14 passes through the movable block 12 and is connected with the limiting block;

the lower end of the first pipeline 16 is sleeved in the support assembly 2, and the total height of the first pipeline 16 and the support assembly 2 is adjustable;

the lower end of the stay bar assembly 3 is inserted into the housing 11 and abuts against the upper surface of the movable block 12.

Specifically, the shell 11 comprises a shell and an upper cover, the spring 13 is placed in the first pipeline 16, the pull rope of the pull rope sensor 14 passes through the small hole of the movable block 12 and is tied on the M3 nut, the movable block 12 is placed on the spring 13 in the first pipeline 16, and the compression ring 17 is screwed into the upper end of the first pipeline 16; the stay cord sensor 14 is arranged on the side wall of the upper installation cavity of the shell 11 through screws, a data wire of the tension sensor is connected with an external communication cable, the communication cable is led in by a cable waterproof connector 4 arranged on the upper installation cavity of the shell, and the upper cover is fixed by screws.

The spring stretching mechanism 1 is arranged in the supporting base 21, the height can be adjusted up and down, and the position is fixed by locking the anchor ear 22 welded with the upper part of the supporting base 21 through the anchor ear 22.

The supporting seat 32 is in threaded connection with the top supporting rod 31, and the bottom supporting rod 33 is in threaded connection with the other end of the top supporting rod 31.

The shell 11 is also provided with a waterproof connector 4 for accessing a communication cable;

the pull-cord sensor 14 is electrically connected to an accessed communication cable.

The spring stretching mechanism 1 further comprises a compression ring 17;

the pressure ring 17 is disposed in the first pipe 16 and above the movable block 12.

A small hole is formed in the outer edge of the movable block 12;

the limiting piece 15 is an M3 nut;

the pull rope of the pull rope sensor 14 passes through the small hole and then is connected with the M3 nut.

The support assembly 2 comprises a support base 21, a hoop 22 and a second pipeline 23;

the support base 21 is fixed at the lower end of the second pipeline 23, and the anchor ear 22 is arranged at the upper end of the second pipeline 23;

the lower end of the first pipe 16 is sleeved at the upper end of the second pipe 23, and is fixed by the anchor ear 22.

The stay bar assembly 3 comprises a top stay bar 31, a support seat 32 and a bottom stay bar 33;

the lower end of the supporting seat 32 is connected with the upper end of the top supporting rod 31 through threads;

the lower end of the top stay bar 31 is connected with the upper end of the bottom stay bar 33 through threads;

the lower end of the bottom stay 33 is inserted into the housing 11 and abuts against the upper surface of the movable block 12.

The working principle of the utility model is as follows:

when the support base 21 is used, the support base 21 is fixed on the bottom surface of a roadway, the top stay bar 31 is inserted into the spring stretching mechanism 1, the bottom stay bar 33 is propped against the movable block 12 in the spring stretching mechanism 1, the spring stretching mechanism 1 is propped upwards until the stay bar top support base 32 is propped against the top of the roadway, and the locking hoop 22 is fixed in position.

When the top of the roadway moves downwards, the stay bars (the top stay bar 31 and the bottom stay bar 33) receive downward force and push the movable block 12 downwards to compress the spring 13 to generate displacement travel, the stay rope of the stay rope sensor 14 is tied on the movable block 12, when the stay rope sensor 14 detects the displacement travel, data are transmitted to the collector through the communication cable at the waterproof interface, and the collector performs a series of operations such as alarm processing, data storage and the like.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims (6)

1. The device for monitoring the approaching amount of the top plate and the bottom plate is characterized by comprising a spring stretching mechanism, a supporting component and a supporting rod component;

the support component is positioned below the spring stretching mechanism, and the support rod component is positioned above the spring stretching mechanism;

the spring stretching mechanism comprises a shell, a movable block, a spring, a stay cord sensor and a limiting piece;

a first pipeline extends from the bottom of the shell;

the movable block and the spring are both arranged in the first pipeline, the upper end of the spring is propped against the lower surface of the movable block, and the lower end of the spring is propped against the bottom of the first pipeline;

the stay rope sensor is arranged in the shell, and a stay rope of the stay rope sensor penetrates through the movable block and then is connected with the limiting piece;

the lower end of the first pipeline is sleeved in the supporting component, and the total height of the first pipeline and the supporting component can be adjusted;

the lower end of the stay bar component is inserted into the shell and is propped against the upper surface of the movable block.

2. The device for monitoring the approaching amount of the top and bottom plates according to claim 1, wherein the housing is further provided with a waterproof connector for accessing a communication cable;

the stay cord sensor is connected with the communication cable of access electricity.

3. The device for monitoring the displacement of a top and bottom plate according to claim 1, wherein the spring tension mechanism further comprises a compression ring;

the compression ring is arranged in the first pipeline and is positioned above the movable block.

4. The device for monitoring the approaching amount of the top and bottom plates according to claim 1, wherein the outer edge of the movable block is provided with a small hole;

the limiting piece is an M3 nut;

and a pull rope of the pull rope sensor passes through the small hole and is connected with the M3 nut.

5. The roof-to-floor displacement monitoring device of claim 1, wherein the support assembly comprises a support base, a hoop, and a second conduit;

the support base is fixed at the lower end of the second pipeline, and the anchor ear is arranged at the upper end of the second pipeline;

the lower end of the first pipeline is sleeved at the upper end of the second pipeline, and the position is fixed through the anchor ear.

6. The roof to floor approach monitoring device of claim 1, wherein the brace bar assembly comprises a top brace bar, a support base, and a bottom brace bar;

the lower end of the supporting seat is connected with the upper end of the top supporting rod through threads;

the lower end of the top stay bar is connected with the upper end of the bottom stay bar through threads;

the lower end of the bottom stay bar is inserted into the shell and is propped against the upper surface of the movable block.