CN218991690U

CN218991690U - Underground safety testing mechanism for mine

Info

Publication number: CN218991690U
Application number: CN202223062452.1U
Authority: CN
Inventors: 孟德龙; 寇高愿; 姜鑫; 燕雷; 李强; 张晨阳; 刘鼎
Original assignee: Xian University of Science and Technology; Shaanxi Zhengtong Coal Industry Co Ltd
Current assignee: Xian University of Science and Technology; Shaanxi Zhengtong Coal Industry Co Ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-09
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a mine underground safety testing mechanism which comprises a top plate and a supporting plate, wherein the supporting plate is arranged between two sides of the top plate, a soft cushion is fixedly connected above the supporting plate, movable rods are fixedly welded on two sides of the bottom of the supporting plate respectively, through grooves are formed in two sides of the inside of the top plate respectively, a support is fixedly connected to the center of the top plate, and a gravity sensor is fixedly arranged at the top of the support. According to the mine underground safety testing mechanism, the supporting plates are arranged between the two sides of the top plate, after the framework of the mechanism is fixed, the soft cushion is tightly attached to the top of the mine cavity, when a rock stratum at the top end is loose, the supporting plates are extruded downwards, the two sides of the supporting plates are fixed with the movable rods in the through grooves through the springs to move along with the movable rods, the supporting plates are contacted with the gravity sensor arranged in the support, and then the pressure is converted into signals to be sent out, so that the problem that the rock stratum above the mine is not monitored is solved.

Description

Underground safety testing mechanism for mine

Technical Field

The utility model relates to the technical field of mine testing equipment, in particular to a mine underground safety testing mechanism.

Background

In order to deeply adopt mineral resources in underground or mountain, people often need to dig corresponding roadways at detection positions, commonly called mine holes and mines, then carry on a power car body to enter the interior of the roadway to carry out manual blasting and mining, the content of gas in air is also required to be detected at all times so as to timely evacuate people, the underground air safety monitoring device with the reference to the prior application number of CN202020045423.6 comprises a detector, the detector comprises a temperature sensor, a wind speed sensor and a methane sensor which are sequentially arranged from top to bottom, the top end of the detector is provided with a first thread groove, the first thread groove is internally provided with a first screw rod in a threaded manner, the bottom end of the detector is provided with a second thread groove, and the second thread groove is internally provided with a second screw rod in a threaded manner. The utility model has the beneficial effects that: the device can synchronously measure the wind speed, the methane concentration and the temperature, is provided with the stay bar module for installation, and is convenient to install in an underground roadway.

The first mechanism is a single columnar device, although the length of the threaded rod is adjusted, the detection mechanism is not arranged at the top, and even if the soil loosening sign exists above the mine hole, the soil loosening sign is difficult to discover in time;

secondly, the position of the air detection mechanism in the scheme is fixed at the middle part, so that different gases in each layer are difficult to be subjected to selective detection according to different densities of the gases to be detected;

thirdly, only rely on the fixing base to install a body of rod in the mine tunnel inside, both lack stability, also not go deep into underground, the dynamics of gripping is limited, difficult assurance top testing mechanism can not frequently rock.

Disclosure of Invention

The utility model aims to provide a downhole safety testing mechanism for a mine, which aims to solve the problem that the rock stratum above the mine is not monitored in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mine safety test mechanism in pit, includes roof and backup pad, be provided with the backup pad between the both sides at roof top, the top fixedly connected with cushion of backup pad, the both sides of backup pad bottom are fixed welding respectively has movable rod, the inside both sides of roof are provided with logical groove respectively, the center department fixedly connected with support at roof top, the top fixed mounting of support has gravity sensor, the both sides of roof bottom are fixed welding respectively has the screw rod, the center of roof below is provided with the casing, the front end of casing is provided with two sets of air inlet fans, the inside fixed mounting of casing has air detector.

Preferably, the movable rod is embedded in the through groove, and the movable rod, the spring and the through groove are arranged in concentric circles.

Preferably, the both sides of casing are fixed welding respectively has the connecting plate, the outside fixed welding of connecting plate has the cover piece, transversely be provided with the cavity between connecting plate and the cover piece, the inside one side movable mounting of cavity has first gear, the inside opposite side movable mounting of cavity has the second gear, swing joint has the chain between the outside one side of first gear and second gear, the outside top fixedly connected with motor of connecting plate, the top and the bottom of cover piece are provided with the hole groove respectively, the screw rod inlays between hole groove and first gear.

Preferably, the first gear and the second gear are symmetrically arranged at two sides of the inside of the chain, and the sleeve block can vertically move up and down along the outer wall of the screw.

Preferably, the bottom inside the screw rod is provided with the cylindricality groove, the inside swing joint in cylindricality groove has interior pole, swing joint has the bolt between one side of screw rod bottom and interior pole, the bottom fixedly connected with mount pad of interior pole, the top at interior pole outside both ends is fixed welding respectively has the earth anchor, the both ends of cylindricality tank bottom are provided with the slot respectively.

Preferably, the ground anchor is embedded in the slot.

Preferably, the ground anchors are symmetrically arranged at two ends of the inner rod.

Compared with the prior art, the utility model has the beneficial effects that: the underground safety testing mechanism for the mine not only monitors the top of a mine hole, adjusts the position of air detection, but also reinforces the safety testing mechanism;

(1) The supporting plate is arranged between the two sides of the top plate, after the framework of the mechanism is fixed, the soft cushion above the supporting plate is tightly attached to the inner top of the mine cavity, when the rock stratum at the top end is loose, the supporting plate is pressed downwards, the positions of the two sides of the movable rods are changed along with the movable rods fixed in the through grooves through springs, the supporting plate is contacted with the gravity sensor arranged in the bracket, then the pressure is converted into a signal to be sent out, and the danger of collapse of the mine cavity is warned to workers;

(2) Through fixedly welding connecting plates on two sides of the shell respectively, starting a motor arranged at the top of the connecting plate, drawing the first gear by a second gear and an externally wound chain, and matching fixed hole grooves respectively arranged at the top and the bottom of the sleeve block, the shell between the sleeve block and the connecting plate can vertically move up and down along the outer wall of the screw rod, the position of the shell can be conveniently adjusted, and an air inlet fan is used for pumping air for analysis by the air detector 24;

(3) Through being provided with the cylindricality groove in the inside bottom of screw rod, the interior pole of drawing down perpendicularly along the cylindricality groove of screw rod below, its both ends top welded earth anchor also passes the slot and moves down along with it, can use the bolt to adjust the distance between screw rod and the interior pole, can bury the earth anchor deeply after fixing the mount pad again, promotes this testing mechanism's ability of grabbing ground.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic elevational view of the support plate of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of the connecting plate of the present utility model;

fig. 4 is a schematic cross-sectional elevation view of a strut according to the present utility model.

In the figure: 1. a top plate; 2. a support plate; 3. a soft cushion; 4. a bracket; 5. a gravity sensor; 6. a movable rod; 7. a spring; 8. a screw; 9. a connecting plate; 10. an air inlet fan; 11. a housing; 12. a motor; 13. sleeving blocks; 14. a cylindrical groove; 15. a slot; 16. an earth anchor; 17. a mounting base; 18. a bolt; 19. an inner rod; 20. a first gear; 21. a through groove; 22. a chain; 23. a second gear; 24. an air detector; 25. a cavity; 26. and a hole groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, the mine underground safety testing mechanism comprises a top plate 1 and a support plate 2, wherein the support plate 2 is arranged between two sides of the top plate 1, a soft cushion 3 is fixedly connected above the support plate 2, movable rods 6 are fixedly welded on two sides of the bottom of the support plate 2 respectively, through grooves 21 are respectively arranged on two sides of the inside of the top plate 1, a support 4 is fixedly connected to the center of the top plate 1, a gravity sensor 5 is fixedly arranged on the top of the support 4, a screw rod 8 is fixedly welded on two sides of the bottom of the top plate 1 respectively, a shell 11 is arranged at the center of the lower part of the top plate 1, two groups of air inlet fans 10 are arranged at the front end of the shell 11, and an air detector 24 is fixedly arranged inside the shell 11;

the movable rod 6 is embedded in the through groove 21, and the movable rod 6, the spring 7 and the through groove 21 are arranged in concentric circles;

specifically, as shown in fig. 1 and 2, after the framework of the mechanism is fixed, the cushion 3 above the support plate 2 is tightly attached to the top inside the mine cavity, when the rock stratum at the top is loose, the support plate 2 is pressed downwards, the movable rods 6 fixed in the through grooves 21 through the springs 7 at two sides also change the positions of the movable rods, and after the support plate 2 contacts the gravity sensor 5 arranged in the support 4, the pressure is converted into a signal to be sent out, so that the mine cavity collapse risk is warned to workers.

Example 2: the two sides of the shell 11 are fixedly welded with connecting plates 9 respectively, the outer sides of the connecting plates 9 are fixedly welded with sleeve blocks 13, a cavity 25 is transversely formed between the connecting plates 9 and the sleeve blocks 13, a first gear 20 is movably arranged on one side of the inside of the cavity 25, a second gear 23 is movably arranged on the other side of the inside of the cavity 25, a chain 22 is movably connected between the first gear 20 and one side of the outside of the second gear 23, the top end of the outside of the connecting plates 9 is fixedly connected with a motor 12, the top and the bottom of each sleeve block 13 are respectively provided with a hole groove 26, a screw rod 8 is embedded between the hole groove 26 and the first gear 20, the first gear 20 and the second gear 23 are symmetrically arranged on two sides of the inside of the chain 22, and the sleeve blocks 13 can vertically move along the outer wall of the screw rod 8;

specifically, as shown in fig. 1 and 3, the motor 12 mounted at the top of the connecting plate 9 is started, the second gear 23 and the externally wound chain 22 draw the first gear 20, and the fixing hole slots 26 respectively arranged at the top and bottom of the sleeve block 13 are matched, so that the housing 11 between the sleeve block 13 and the connecting plate 9 moves vertically along the outer wall of the screw 8, and the air inlet fan 10 in front of the housing 11 conveniently collects air at different positions to enter the air detector 24 for testing.

Example 3: the bottom end inside the screw rod 8 is provided with a cylindrical groove 14, an inner rod 19 is movably connected inside the cylindrical groove 14, a bolt 18 is movably connected between the bottom of the screw rod 8 and one side of the inner rod 19, the bottom end of the inner rod 19 is fixedly connected with a mounting seat 17, the tops of the two ends outside the inner rod 19 are respectively fixedly welded with a ground anchor 16, the two ends of the bottom of the cylindrical groove 14 are respectively provided with a slot 15, the ground anchors 16 are embedded in the slots 15, and the ground anchors 16 are symmetrically arranged at the two ends of the inner rod 19;

specifically, as shown in fig. 1 and 4, the inner rod 19 is vertically drawn along the cylindrical groove 14 below the screw rod 8, and the ground anchors 16 welded at the top of two ends of the inner rod also pass through the slots 15 to move downwards, so that the distance between the screw rod 8 and the inner rod 19 can be adjusted by using the bolts 18, and after the mounting seat 17 is fixed, the ground anchors 16 can be deeply buried, so that the ground grabbing capability of the testing mechanism is improved, and the shaking of the object is prevented.

Working principle: when the utility model is used, firstly, the inner rod 19 is vertically drawn along the column groove 14 below the screw rod 8, the ground anchors 16 welded at the tops of the two ends of the inner rod are also moved downwards along the slot 15, so that the distance between the screw rod 8 and the inner rod 19 can be adjusted by using the bolts 18, after the installation seat 17 is fixed, the ground anchors 16 are deeply buried underground, the ground grabbing capacity of the testing mechanism is improved, the substances are prevented from shaking, after the framework of the mechanism is fixed, the soft cushion 3 above the supporting plate 2 is tightly attached to the top inside a mine cavity, when the rock stratum at the top is loosened, the supporting plate 2 is downwards extruded, the movable rods 6 fixed in the through grooves 21 at the two sides through the springs 7 are also changed in position, the pressure is converted into signals after the supporting plate 2 is contacted with the gravity sensor 5 installed in the bracket 4, the danger of collapsing at the mine cavity is warned to workers, finally, the motor 12 installed at the top of the connecting plate 9 is started, the first gear 20 is drawn by the second gear 23 and the externally wound chain 22, the top of the matching sleeve block 13 is tightly attached to the top of the fixed hole groove 26 arranged at the bottom, the top of the matching sleeve block 13 respectively, the air inlet fan 11 is conveniently lifted and the air inlet fan 10 is conveniently detected, and the air inlet fan is conveniently lifted and moved to the air inlet fan 11 is conveniently and the air inlet fan is conveniently and the air inlet device is conveniently and lifted and moved to the air inlet device is conveniently and the air inlet device and is conveniently and more detected.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Mine safety test mechanism in pit, including roof (1) and backup pad (2), its characterized in that: be provided with backup pad (2) between the both sides at roof (1) top, the top fixedly connected with cushion (3) of backup pad (2), the both sides of backup pad (2) bottom are fixed welding respectively and are had movable rod (6), the inside both sides of roof (1) are provided with logical groove (21) respectively, the center department fixedly connected with support (4) at roof (1) top, the top fixed mounting of support (4) has gravity inductor (5), the both sides of roof (1) bottom are fixed welding respectively has screw rod (8), the center of roof (1) below is provided with casing (11), the front end of casing (11) is provided with two sets of air inlet fan (10), the inside fixed mounting of casing (11) has air detector (24).

2. The downhole safety testing mechanism for mines according to claim 1, wherein: the movable rod (6) is embedded in the through groove (21), and the movable rod (6), the spring (7) and the through groove (21) are arranged in concentric circles.

3. The downhole safety testing mechanism for mines according to claim 1, wherein: the utility model discloses a motor, including casing (11), connecting plate (9), sleeve piece (13) are fixed welding respectively to both sides of casing (11), the outside fixed welding of connecting plate (9) has sleeve piece (13), transversely be provided with cavity (25) between connecting plate (9) and sleeve piece (13), one side movable mounting in cavity (25) inside has first gear (20), the opposite side movable mounting in cavity (25) inside has second gear (23), swing joint has chain (22) between one side of first gear (20) and second gear (23) outside, the top fixedly connected with motor (12) of connecting plate (9) outside, the top and the bottom of sleeve piece (13) are provided with hole groove (26) respectively, screw rod (8) inlay between hole groove (26) and first gear (20).

4. A downhole safety testing mechanism for a mine according to claim 3, wherein: the first gear (20) and the second gear (23) are symmetrically arranged at two sides of the inside of the chain (22), and the sleeve block (13) can vertically move up and down along the outer wall of the screw rod (8).

5. The downhole safety testing mechanism for mines according to claim 1, wherein: the inside bottom of screw rod (8) is provided with cylindricality groove (14), the inside swing joint of cylindricality groove (14) has interior pole (19), swing joint has bolt (18) between one side of screw rod (8) bottom and interior pole (19), the bottom fixedly connected with mount pad (17) of interior pole (19), the top at interior pole (19) outside both ends is fixed welding respectively has earth anchor (16), the both ends of cylindricality groove (14) bottom are provided with slot (15) respectively.

6. The downhole safety testing mechanism for mines according to claim 5, wherein: the ground anchor (16) is embedded in the slot (15).

7. The underground mine safety test mechanism according to claim 5, wherein the ground anchors (16) are symmetrically disposed at both ends of the inner rod (19).