CN210714779U

CN210714779U - Colliery is prevention and cure water early warning device in pit

Info

Publication number: CN210714779U
Application number: CN201921760929.9U
Authority: CN
Inventors: 刘伟; 艾小平
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-09
Anticipated expiration: 2029-10-17

Abstract

The utility model relates to a coal mining technical field specifically is a colliery is water prevention and control early warning device in pit, the drum is located the top of base, and fixedly connected with slowly presses the spring between base and the drum, the one end threaded connection that slowly presses the spring was kept away from to the drum has the closing cap, the last lateral wall of closing cap set up threaded hole, and threaded connection has the threaded rod of vertical setting in the screw hole, the one end of threaded rod extends to in the drum and rotates the lifter plate that is connected with horizontal setting through rotating, one side fixedly connected with switching device of threaded rod is kept away from to the lifter plate. The utility model discloses in, through setting up rubber packing ring, filter screen lid, be convenient for maintain inside clean and tidy and clean of drum, through setting up positioning mechanism, make the foam dish can only be straight-up displacement down, make the warning result more accurate, through slowly pressing the spring, improve the shock resistance and the stability of drum, prevent to empty, make this device work more stable.

Description

Colliery is prevention and cure water early warning device in pit

Technical Field

The utility model relates to a coal mining technical field specifically is a colliery is prevention and cure water early warning device in pit.

Background

At present, when underground operation of a coal mine is carried out, because the operation environment is severe, some safety accidents inevitably occur, large-scale catastrophic accidents also occur sometimes, particularly when gas overrun or outburst accidents occur, a local power-off phenomenon occurs, an original electric alarm cannot normally work due to power-off, workers cannot know dangerous conditions in time, the best time for safe evacuation is delayed, serious casualties are often caused, the existing underground mine cannot well detect and warn accumulated water in the mine, the accumulated water in the mine is a long-term accumulated process, and therefore an early warning device is needed to monitor the water level.

Chinese patent discloses a coal mine underground water prevention and control early warning device, (No. CN208870642U), the technology of the patent can conveniently install and fix an outer cylinder through the design of a connecting column, a limiting rod, a two-way screw, a splint and a handle, the height of a warning water level can be adjusted through the design of a connecting cylinder, a switch device, a lifting rod, a top plate, a warning device and a limiting block, the device is suitable for being used under different conditions, however, a large amount of cinder can be mixed in accumulated water, water with cinder can easily enter the cylinder along with a water inlet to cause blockage, the accuracy of early warning for water level detection is further influenced, the cinder water enters the cylinder and is attached to the inner wall of the cylinder, the cleaning is troublesome, the time is wasted, no good positioning support exists in a foam disc in the cylinder, the displacement in the vertical direction can not be ensured, the accurate contact of a conductive disc and the positive electrode and the negative electrode of the switch device is influenced, influence the early warning effect, and this device only leans on the base to support, receives external force touching, emptys easily, and stability is not enough. Therefore, the technical personnel in the field provide a coal mine underground water prevention and warning device to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is prevention and cure water early warning device in pit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine underground water prevention and control early warning device comprises a cylinder and a base, wherein the cylinder is positioned above the base, a pressure-relieving spring is fixedly connected between the base and the cylinder, one end of the cylinder, far away from the pressure-relieving spring, is in threaded connection with a sealing cover, the upper side wall of the sealing cover is provided with a threaded hole, a vertically arranged threaded rod is in threaded connection with the threaded hole, one end of the threaded rod extends into the cylinder and is rotatably connected with a transversely arranged lifting plate through a rotating piece, one side of the lifting plate, far away from the threaded rod, is fixedly connected with a switch device, the upper side wall of the sealing cover is provided with an alarm device electrically connected with the switch device, the upper side wall of the lifting plate is fixedly connected with a vertically arranged limiting rod, one end of the limiting rod, far away from the lifting plate, penetrates through the sealing cover and extends upwards, one, and the threaded rod is kept away from the one end of lifter plate and is run through the connecting rod setting, two linking blocks of both sides lateral wall difference fixedly connected with of lifter plate, and two linking blocks keep away from the one end fixedly connected with rubber packing ring of lifter plate, the rubber packing ring is kept away from one side of linking block and is offseted the setting with the inner wall of drum, be equipped with the foam dish of horizontal setting in the drum, and relative both sides inner wall is equipped with the positioning mechanism that two symmetries set up respectively in the drum, positioning mechanism's one end and foam dish fixed connection, the electrically conductive dish that the upside fixedly connected with of foam dish corresponds with switching device's positive negative pole, the both sides bottom of drum communicates respectively and is equipped with the water inlet that two symmetries set up, and the water inlet keeps away from the one.

As a further aspect of the present invention: positioning mechanism is including seting up the constant head tank on the drum inner wall, the round bar of the vertical setting of fixedly connected with in the constant head tank, and the cover is established and sliding connection has the sliding sleeve on the round bar, the lateral wall fixedly connected with locating piece of sliding sleeve, and the locating piece keep away from the one end and the foam tray fixed connection of sliding sleeve.

As a further aspect of the present invention: the upper side wall of the sealing cover is provided with a first through hole, the limiting rod penetrates through the first through hole, and the outer side wall of the limiting rod is connected with the inner wall of the first through hole in a sliding mode.

As a further aspect of the present invention: the number of the pressure relief springs is four, and the four pressure relief springs are arranged in an equidistant surrounding mode by taking the central axis of the cylinder as the circle center.

As a further aspect of the present invention: the second through-hole has been seted up to the last lateral wall of connecting rod, and the threaded rod runs through the setting of second through-hole, the lateral wall of threaded rod is connected with the inner wall rotation of second through-hole.

As a further aspect of the present invention: the lateral wall fixedly connected with arc handle of one side of drum, and the lateral wall of drum has seted up the glass viewing aperture.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through rotating the threaded rod, drive the lifter plate displacement, come controlling means's height, promptly for adjusting the early warning water level, through setting up gag lever post and connecting rod, can fix a position the displacement of threaded rod, it is more stable when making the threaded rod rotate, simple structure, convenient operation.

2. Set up the rubber packing ring on the lifter plate, when the rubber packing ring was followed the lifter plate and is shifted from top to bottom, can clean the cinder of depending on the drum inner wall, it is more convenient to clear up, and the accuracy is higher during the use to and through set up the filter screen lid on the water inlet, avoid the cinder granule to get into the drum, be convenient for maintain the inside clean and tidy of drum.

3. Through setting up positioning mechanism, when the foam dish displacement, can follow the sliding sleeve fixed with the locating piece and receive the restriction of round bar, when making the foam dish follow the water level and rise, can only directly go up the straight displacement down, make the warning result more accurate.

4. Through set up pressure relief spring between drum and base, utilize pressure relief spring's characteristic, can offset the weakening with the external impact that the drum received, and then improve the shock resistance and the stability of drum, prevent to empty, make this device work more stable.

Drawings

FIG. 1 is a schematic perspective view of an underground coal mine water control early warning device;

FIG. 2 is a schematic view of an internal cross-sectional structure of an underground coal mine water prevention and treatment early warning device;

FIG. 3 is an enlarged schematic structural view of a part A in FIG. 2 in the coal mine underground water prevention and treatment early warning device;

fig. 4 is an enlarged schematic structural diagram of a part B in fig. 2 in the coal mine underground water prevention and treatment early warning device.

In the figure: 1. a cylinder; 2. a base; 3. a pressure relief spring; 4. sealing the cover; 5. a threaded rod; 6. a lifting plate; 7. a switching device; 8. a limiting rod; 9. a connecting rod; 10. a rubber gasket; 11. a foam tray; 12. a conductive plate; 13. a water inlet; 14. a filter screen cover; 15. positioning a groove; 16. a round bar; 17. a sliding sleeve; 18. positioning blocks; 19. an arc-shaped handle; 20. a glass viewing port; 21. and an alarm device.

Detailed Description

Referring to fig. 1-4, in the embodiment of the present invention, a coal mine underground water prevention and control early warning device comprises a cylinder 1 and a base 2, wherein the base 2 mainly plays a stabilizing role, the cylinder 1 is located above the base 2, a pressure-relief spring 3 is fixedly connected between the base 2 and the cylinder 1, the pressure-relief spring 3 is arranged between the cylinder 1 and the base 2, the external impact force applied to the cylinder 1 can be counteracted and weakened by utilizing the characteristics of the pressure-relief spring 3, so as to improve the shock resistance and stability of the cylinder 1, prevent toppling, and make the device more stable in operation, one end of the cylinder 1, which is far away from the pressure-relief spring 3, is in threaded connection with a sealing cover 4, so as to facilitate opening the sealing cover 4, the upper side wall of the sealing cover 4 is provided with a threaded hole, and a threaded rod 5 vertically arranged is in the threaded hole, the threaded rod 5 can be rotated to enable the threaded rod 5 to move up and down, one end of the threaded rod, one side of the lifting plate 6, which is far away from the threaded rod 5, is fixedly connected with a switch device 7, the upper end side wall of the sealing cover 4 is provided with an alarm device 21 which is electrically connected with the switch device 7, the upper end side wall of the lifting plate 6 is fixedly connected with a vertically arranged limiting rod 8, one end of the limiting rod 8, which is far away from the lifting plate 6, penetrates through the sealing cover 4 and extends upwards, one end of the limiting rod 8, which is positioned above the sealing cover 4, is fixedly connected with a transversely arranged connecting rod 9, one end of the threaded rod 5, which is far away from the lifting plate 6, penetrates through the connecting rod 9, the displacement of the threaded rod 5 can be positioned by arranging the limiting rod 8 and the connecting rod 9, so that the threaded rod 5 is more stable when rotating, the lifting plate 6 can be stably displaced vertically and vertically in the cylinder 1, the structure is more stable, two connecting blocks are respectively and fixedly connected with the side walls, one side of the rubber gasket 10, which is far away from the connecting block, is abutted against the inner wall of the cylinder 1, when the rubber gasket 10 moves up and down along with the lifting plate 6, coal cinder attached to the inner wall of the cylinder 1 can be cleaned, the cleaning is more convenient, the accuracy is higher when the rubber gasket is used, a transversely arranged foam disc 11 is arranged in the cylinder 1, two symmetrically arranged positioning mechanisms are respectively arranged on the inner walls of two opposite sides in the cylinder 1, one end of each positioning mechanism is fixedly connected with the foam disc 11, a conductive disc 12 corresponding to the positive electrode and the negative electrode of the switch device 7 is fixedly connected to the upper side of the foam disc 11, when the conductive disc 12 is contacted with the positive electrode and the negative electrode of the switch device 7, the alarm device 21 works to give an alarm, two symmetrically arranged water inlets 13 are respectively communicated with the bottom parts of two sides of the cylinder 1, and one end, which is far away from the cylinder 1, of the water inlet 13 is, the cleanness of the inner part of the cylinder 1 is convenient to maintain;

in fig. 4: the positioning mechanism comprises a positioning groove 15 arranged on the inner wall of the cylinder 1, a vertically arranged round rod 16 is fixedly connected in the positioning groove 15, a sliding sleeve 17 is sleeved on the round rod 16 and is connected with the round rod in a sliding mode, a positioning block 18 is fixedly connected to the side wall of the sliding sleeve 17, and one end, far away from the sliding sleeve 17, of the positioning block 18 is fixedly connected with the foam disc 11;

in fig. 2: a first through hole is formed in the upper side wall of the sealing cover 4, the limiting rod 8 penetrates through the first through hole, and the outer side wall of the limiting rod 8 is connected with the inner wall of the first through hole in a sliding mode, so that the limiting rod 8 can move conveniently;

in fig. 2: the number of the pressure-reducing springs 3 is four, the four pressure-reducing springs 3 are respectively arranged around the cylinder 1 by taking the central axis as the center of a circle at equal intervals, the support is more stable, the upper side wall of the connecting rod 9 is provided with a second through hole, the threaded rod 5 penetrates through the second through hole, the outer side wall of the threaded rod 5 is rotatably connected with the inner wall of the second through hole, and the threaded rod 5 is convenient to rotate;

in fig. 1: one side lateral wall fixedly connected with arc handle 19 of drum 1, portable this device, and the lateral wall of drum 1 has seted up glass viewing aperture 20, is convenient for observe water level and switching device 7's height.

The utility model discloses a theory of operation is: when the device is used, because the threaded rod 5 is in threaded connection with the sealing cover 4, and the threaded rod 5 is rotationally connected with the lifting plate 6, the threaded rod 5 is rotated, the threaded rod 5 can be moved up and down to drive the lifting plate 6 to move so as to control the height of the switch device 7, namely, the displacement of the threaded rod 5 can be positioned by arranging the limiting rod 8 and the connecting rod 9 to ensure that the threaded rod 5 is more stable when rotating, thereby enabling the lifting plate 6 to move stably in the cylinder 1 vertically and vertically, the structure is more stable, and simultaneously, by arranging the rubber gasket 10 on the lifting plate 6, when the rubber gasket 10 moves up and down along with the lifting plate 6, can clean the coal slag attached to the inner wall of the cylinder 1, is more convenient to clean and has higher accuracy when in use, the filter screen cover 14 is arranged on the water inlet 13, so that coal slag particles are prevented from entering the cylinder 1, and the cleanness of the interior of the cylinder 1 is maintained conveniently;

the ponding enters the cylinder 1 through the water inlet 13, the water surface height in the cylinder 1 is equal to the water surface height outside, when the water level outside rises, the water level in the cylinder 1 rises, the foam disc 11 rises gradually, so that the conductive disc 12 rises, because the sliding sleeve 17 is connected with the round rod 16 in a sliding way, the sliding sleeve 17 can move on the round rod 16, when the foam disc 11 moves, the sliding sleeve 17 fixed with the positioning block 18 is limited by the round rod 16, when the foam disc 11 rises along with the water level, the foam disc 11 can only move vertically and vertically, so that the alarm result is more accurate, when the conductive disc 12 contacts with the positive and negative electrode rods of the switch device 7, the alarm device 21 works to give an alarm to remind a worker;

through set up pressure relief spring 3 between drum 1 and base 2, utilize pressure relief spring 3's characteristic, can offset the weakening with the external impact that drum 1 received, and then improve the shock resistance, the stability of drum 1, prevent to empty, make this device work more stable.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The coal mine underground water prevention and control early warning device comprises a cylinder (1) and a base (2), and is characterized in that the cylinder (1) is located above the base (2), a pressure relief spring (3) is fixedly connected between the base (2) and the cylinder (1), one end, far away from the pressure relief spring (3), of the cylinder (1) is in threaded connection with a sealing cover (4), a threaded hole is formed in the upper side wall of the sealing cover (4), a vertically arranged threaded rod (5) is in threaded connection with the threaded hole, one end of the threaded rod (5) extends into the cylinder (1) and is in rotary connection with a transversely arranged lifting plate (6) through a rotating piece, a switch device (7) is fixedly connected to one side, far away from the threaded rod (5), of the lifting plate (6), and an alarm device (21) electrically connected with the switch device (7) is arranged on the upper side wall of the sealing cover (4), the upper end side wall of the lifting plate (6) is fixedly connected with a vertically arranged limiting rod (8), one end of the limiting rod (8), far away from the lifting plate (6), penetrates through the sealing cover (4) and extends upwards, one end of the limiting rod (8) is fixedly connected with a transversely arranged connecting rod (9) and one end of the threaded rod (5), far away from the lifting plate (6), penetrates through the connecting rod (9) and is arranged, the two side walls of the lifting plate (6) are respectively and fixedly connected with two connecting blocks, one end of the two connecting blocks, far away from the lifting plate (6), is fixedly connected with a rubber gasket (10), one side of the rubber gasket (10), far away from the connecting blocks, is abutted to the inner wall of the cylinder (1), a transversely arranged foam disc (11) is arranged in the cylinder (1), and two symmetrically arranged positioning mechanisms are respectively arranged on the two opposite side inner walls in the cylinder (1), one end of the positioning mechanism is fixedly connected with the foam disc (11), the upper side of the foam disc (11) is fixedly connected with a conductive disc (12) corresponding to the positive and negative poles of the switch device (7), two symmetrically arranged water inlets (13) are respectively communicated with the two side bottoms of the cylinder (1), and one end, far away from the cylinder (1), of each water inlet (13) is connected with a filter screen cover (14) in a threaded manner.

2. The coal mine underground water prevention and warning device as claimed in claim 1, wherein the positioning mechanism comprises a positioning groove (15) formed in the inner wall of the cylinder (1), a vertically arranged round rod (16) is fixedly connected to the positioning groove (15), a sliding sleeve (17) is sleeved on the round rod (16) and slidably connected to the round rod, a positioning block (18) is fixedly connected to the side wall of the sliding sleeve (17), and one end, far away from the sliding sleeve (17), of the positioning block (18) is fixedly connected with the foam disc (11).

3. The coal mine underground water prevention and warning device as claimed in claim 1, wherein a first through hole is formed in the upper side wall of the sealing cover (4), the limiting rod (8) penetrates through the first through hole, and the outer side wall of the limiting rod (8) is connected with the inner wall of the first through hole in a sliding mode.

4. The coal mine underground water prevention and warning device as claimed in claim 1, wherein the number of the pressure-relief springs (3) is four, and the four pressure-relief springs (3) are respectively arranged around the central axis of the cylinder (1) at equal intervals.

5. The coal mine underground water prevention and warning device as claimed in claim 1, wherein a second through hole is formed in the upper side wall of the connecting rod (9), the threaded rod (5) penetrates through the second through hole, and the outer side wall of the threaded rod (5) is rotatably connected with the inner wall of the second through hole.

6. The coal mine underground water prevention and warning device as claimed in claim 1, wherein an arc-shaped handle (19) is fixedly connected to the side wall of one side of the cylinder (1), and a glass observation port (20) is formed in the side wall of the cylinder (1).