CN112196622A

CN112196622A - Coal mine safety monitoring device

Info

Publication number: CN112196622A
Application number: CN202011081666.6A
Authority: CN
Inventors: 郝宇; 骆大勇; 肖丹
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Heilongjiang Longmay Mining Engineering Design Inst Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-01-08
Anticipated expiration: 2040-10-12
Also published as: CN112196622B

Abstract

The utility model provides a coal mine safety monitoring device, relates to coal mine safety monitoring field, including a supporting component, the supporting component includes a bottom plate, fixedly connected with stay tube on the bottom plate, stay tube top both sides are equipped with telescopic guide rail assembly, telescopic guide rail assembly is last to rotate and is connected with swing plate subassembly, the last control line that is connected with of swing plate subassembly, be equipped with control interface on the control line, control interface installs the monitoring subassembly and does not have support detection subassembly. According to the invention, the monitoring subassembly or the unsupported detection subassembly is mounted on the control interface, so that the concentration monitoring of methane at multiple points, long distance and different positions of height is realized, meanwhile, the device is foldable in design, convenient to store and move, wide in equipment monitoring range and effectively improved in monitoring efficiency.

Description

Coal mine safety monitoring device

Technical Field

The invention relates to the technical field of coal mine safety monitoring, in particular to a coal mine safety monitoring device.

Background

The underground coal mine is a special working environment, contains inflammable and explosive combustible gas and corrosive gas, is wet, drenched, large in mine dust, large in power grid voltage fluctuation, serious in electromagnetic interference, narrow and small in space and long in monitoring distance. The mine monitoring system is therefore different from a general industrial monitoring system.

However, the monitoring distance of the mine is far, the mine is narrow, and the traditional monitoring equipment is inconvenient to move and carry. In the monitoring process, the methane concentration at different heights is different due to the influence of wind power because methane is more hydrogen than air. The traditional monitoring equipment can only monitor the methane concentration at a horizontal position, and the monitoring range is limited.

Disclosure of Invention

The invention aims to provide a coal mine safety monitoring device which can monitor methane concentrations at different positions at a long distance and different heights so as to overcome the technical defect that the methane monitoring range is limited in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a coal mine safety monitoring device, includes a supporting component, the supporting component includes a bottom plate, fixedly connected with stay tube on the bottom plate, stay tube top both sides are equipped with flexible guide rail assembly, it is connected with swing board subassembly to rotate on the flexible guide rail assembly, be connected with the control line on the swing board subassembly, be equipped with the control interface on the control line, monitoring subassembly and no support detection subassembly are installed to the control interface department.

Furthermore, a special-shaped air bag is arranged in the supporting tube, a plurality of insertion holes are formed in the special-shaped air bag, an air pipe is arranged on the supporting tube and communicated with the special-shaped air bag, and an outer branch pipe is inserted into the insertion holes.

Further, flexible guide rail subassembly includes first guide rail and second guide rail, first guide rail fixed connection is at the stay tube top, sliding fit has the second guide rail in the first guide rail, the second guide rail removes along first guide rail, second guide rail end rotates and is connected with the swing board subassembly, still is equipped with the plug bush bottom the stay tube, the swing board subassembly includes an inserted bar, the inserted bar inserts to the plug bush in.

Further, the swing board subassembly is including the swing board, be equipped with three swing pivot on the swing board, install the reel in the swing pivot, the winding has the control line on the reel, the control line is connected with the control panel, and the control panel is connected with the power.

Furthermore, the end part of the swinging plate is provided with a rotating shaft which is rotatably connected to the second guide rail, the swinging plate is provided with an inserted bar, the inserted bar is matched with the inserting sleeve, and the inserted bar is inserted into the inserting sleeve.

Further, be equipped with three guide way on the swing board, the swing pivot removes in the guide way, the guide way both sides are equipped with the horizontal groove, the horizontal groove is connected with vertical groove, the swing pivot removes in the guide way to can follow the horizontal groove and remove to vertical inslot.

Further, vertical notch is equipped with shutoff mechanism, shutoff mechanism includes the spring, spring coupling has the slant guide block, the slant guide block makes the swing pivot remove to in the vertical groove and restrict the removal of swing pivot in the vertical inslot.

Furthermore, one side of the oblique guide block, which is close to the horizontal groove, is an oblique edge.

Furthermore, the monitoring subassembly comprises a sliding plate, three guide holes are formed in the sliding plate, control lines are installed in the guide holes, a control block in the sliding plate is inserted into the control interface 1, an outer branch pipe is arranged below the sliding plate and inserted into the ground, a telescopic air bag is arranged at the top of the sliding plate, a control box is arranged at the top of the telescopic air bag, and a methane concentration sensor is arranged on the control box.

Further, divide intraductal sliding fit to have interior branch pipe outward, interior branch pipe can be followed outer branch pipe inner wall and slided and pass through a department of adjust knob fastening on outer branch pipe, be equipped with the side guide way on the outer branch pipe outside, side guide way sliding fit has the side guide block, it is connected with auxiliary stay to rotate on the side guide block.

Furthermore, the telescopic airbag comprises a lower airbag and an upper airbag, the lower airbag is fixedly connected to the sliding plate, a middle partition plate is arranged between the lower airbag and the upper airbag, an upper partition plate is arranged at the top of the upper airbag, the upper partition plate is connected with a control box, a lower telescopic spring is arranged in the lower airbag, and an upper telescopic spring is arranged in the upper airbag.

Furthermore, no support detection component includes a detection mounting panel, it pegs graft on control interface to detect the mounting panel, realizes that the subassembly is connected, is equipped with down the control line at detection mounting panel downside, the control panel is connected with down the methane and detects the sensor down, is equipped with the control line at detection mounting panel upside, it is connected with a balloon to go up the control line, it detects the sensor to go up the last methane that is connected with of control line.

The invention has the beneficial effects that: the device can realize the concentration monitoring of the methane at multiple points and long distance and different heights by adding the control interface on a long-distance control line and installing the monitoring subassembly or the unsupported detection subassembly on the control interface, and meanwhile, the device is foldable, and the supporting tube is used as a supporting piece and can also store the outer branch tube, thereby being convenient for storage and movement, the monitoring range of the device is wide, the horizontal and vertical directions can be automatically adjusted, controlled and monitored according to the requirements, and the monitoring efficiency is effectively improved.

Drawings

FIG. 1 is a schematic structural view of a first state of the present invention;

FIG. 2 is a schematic structural diagram of a second state of the present invention;

FIG. 3 is a schematic structural view of a first embodiment of the swing plate;

FIG. 4 is a schematic structural view of a second embodiment of the swing plate;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a top view of the support tube;

FIG. 7 is a top view of the monitoring subassembly;

FIG. 8 is a front view of the monitoring subassembly;

FIG. 9 is a schematic structural view of a second embodiment of the monitoring subassembly;

FIG. 10 is a schematic structural view of an outer branched pipe;

in the figure: 1 support component, 11 bottom plate, 12 support tube, 121 special-shaped air bag, 122 air tube, 123 jack, 2 telescopic guide rail component, 21 first guide rail, 22 second guide rail, 3 swing plate component, 31 swing plate, 311 guide groove, 312 horizontal groove, 313 vertical groove, 314 spring, 315 oblique guide block, 32 swing rotating shaft, 33 reel, 34 control line, 341 control interface, 35 rotating shaft, 36 inserted rod, 4 inserted sleeve, 5 monitoring subassembly, 51 sliding plate, 52 control box, 53 methane concentration sensor, 54 telescopic air bag, 541 lower air bag, 542 upper air bag, 543 middle partition plate, 544 upper partition plate, 545 lower telescopic spring, 546 upper telescopic spring, 55 outer branch tube, 551 conical head, 552 outer branch tube body, 553 inner branch tube, 554 adjusting knob, 555 side guide groove, 556 side guide block, 557 auxiliary support rod, 61 detection mounting plate, 62 lower control line, 63 lower methane detection sensor, control line 64, balloon 65, methane detection sensor 66.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 and 2, the coal mine safety monitoring device comprises a supporting component 1, the supporting component comprises a bottom plate 11, a supporting pipe 12 is fixedly connected to the bottom plate, telescopic guide rail components 2 are arranged on two sides of the top of the supporting pipe, and a swing plate component 3 is rotatably connected to the telescopic guide rail components. The swing plate assembly can rotate around the telescopic guide rail assembly and is inserted into the plug bush 4 on the top of the support assembly along with the movement of the telescopic guide rail assembly.

In at least one embodiment, referring to fig. 6, a special-shaped air bag 121 is arranged in the supporting tube 12, a plurality of insertion holes 123 are arranged in the special-shaped air bag, in cooperation with the air tube 122 arranged on the supporting tube, the air tube is communicated with the special-shaped air bag, the size of the insertion holes can be changed by inflating and deflating the special-shaped air bag through an air cylinder, the outer branch tube 55 can be inserted into the insertion holes, and the insertion rod is placed in the supporting tube at ordinary times to be convenient to carry and move.

In at least one embodiment, the telescopic rail assembly comprises a first rail 21 and a second rail 22, the first rail is fixedly connected to the top of the support tube, the second rail is slidably fitted in the first rail, the second rail can move along the first rail, the end of the second rail is rotatably connected with a swing plate assembly, and the swing plate assembly can rotate around the end of the second rail and can move for a certain distance along the first rail. In cooperation with the above, the bottom of the support tube is further provided with a plug bush 4, the swing plate assembly can be converted from a vertical state to a horizontal state, and the plug rod in the swing plate assembly is inserted into the plug bush to keep the horizontal state of the swing plate assembly for a long time.

In at least one embodiment, the swing plate assembly 3 includes a swing plate 31, three swing shafts 32 are provided on the swing plate, a reel 33 is installed on the swing shafts, a control line 34 is wound on the reel, the control line is connected with a control board, and the control board is connected with a power supply.

The scheme refines, the swing board tip is equipped with pivot 35, the pivot rotates to be connected on the second guide rail, is equipped with inserted bar 36 on the swing board, the inserted bar cooperatees with the plug bush, and the inserted bar can insert in the plug bush.

Further, as shown in fig. 3, the swing plate is provided with three guide grooves 311, and the swing shaft is movable in the guide grooves, and the position of the swing shaft can be adjusted by the guide grooves.

Horizontal grooves 312 are formed in two sides of the guide groove, the horizontal grooves are connected with vertical grooves 313, the swing rotating shaft can move in the guide groove and can move to the vertical grooves along the horizontal grooves, and the vertical grooves can limit the movement of the swing rotating shaft on the swing plate.

In some embodiments, as shown in fig. 4 and 5, the vertical slot is provided with a blocking mechanism.

The plugging mechanism comprises a spring 314 to which is attached a diagonal guide block 315 that allows the swing spindle to move into the vertical slot and limits the movement of the swing spindle within the vertical slot.

One side of the oblique guide block, which is close to the horizontal groove, is an oblique edge, and the design can facilitate the swinging of the rotating shaft into the vertical groove.

In at least one embodiment, referring to fig. 7 and 8, a control interface 341 is provided on the control line, a monitoring subassembly 5 is installed at the control interface, the monitoring subassembly includes a sliding plate 51, three guiding holes are provided on the sliding plate, the control line is installed in the guiding holes, and the sliding plate can move along the control line, so that the control block in the sliding plate is inserted into the control interface 341. An outer branch pipe 55 is arranged below the sliding plate and can be inserted into the ground, and further comprises an outer branch pipe body 552, and a conical head 551 is arranged at the bottom of the outer branch pipe body 552 to facilitate the insertion of the ground.

The sliding plate is provided with a telescopic air bag 54 on top, and a control box 52 on top, on which a methane concentration sensor 53 and other sensors, such as an oxygen sensor, etc., are provided.

In some embodiments, as shown in fig. 9 and 10, an inner tube 553 is slidably engaged within the outer tube and is slidably secured to the outer tube at one location by an adjustment knob 554 along the inner wall of the outer tube. The outer side of the outer branch pipe is provided with a side guide groove 555, a side guide block 556 is matched in the side guide groove in a sliding mode, an auxiliary support rod 557 is connected to the side guide block in a rotating mode, and the monitoring subassembly can be prevented from toppling over by the aid of the auxiliary support rod.

The telescopic air bag comprises a lower air bag 541 and an upper air bag 542, the lower air bag is fixedly connected to the sliding plate, a middle partition plate 543 is arranged between the lower air bag and the upper air bag, the two air bags are respectively controlled to be inflated and deflated, the top of the upper air bag is provided with an upper partition plate 544, and the upper partition plate is connected with a control box 52. Two-stage lifting of the height is realized by utilizing the two air bags, and the device can be used for monitoring methane with higher height.

A lower expansion spring 545 is provided in the lower air bag, and an upper expansion spring 546 is provided in the upper air bag. The spring can be used for enhancing the rigidity and the strength of the interior of the air bag, and the upper partition plate and the middle partition plate can be supported in an auxiliary mode while a certain supporting effect is achieved.

In some embodiments, referring to fig. 9, a plurality of unsupported detection assemblies are further disposed on the control panel, the unsupported detection assemblies include a detection mounting plate 61, the detection mounting plate is plugged into the control interface to realize assembly connection, a lower control line 62 is disposed on the lower side of the detection mounting plate, the lower control plate is connected to a lower methane detection sensor 63, an upper control line 64 is disposed on the upper side of the detection mounting plate, the upper control line is connected to a balloon 65, the balloon has a certain buoyancy to play a role in bearing gravity offset of the unsupported detection assemblies, and an upper methane detection sensor 66 is connected to the upper control line.

The working mode is that when the underground methane concentration is required to be monitored, the supporting assembly is fixed on the ground, the swinging plate assembly is rotated to enable the insert rod of the swinging plate assembly to be inserted into the insert sleeve, the outer branch pipes are taken out from the insert holes in the supporting pipe, the detection subassembly assembly is assembled and inserted into a proper position underground, the reel is rotated to enable the control line to be pulled out, the detection subassembly assembly is installed on three control lines to enable the detection subassembly assembly to be matched with the control socket on the control line, and the unsupported detection assembly is installed at certain positions to achieve the underground long-distance and multi-point up-down methane concentration detection.

In addition to the technical features described in the specification, the technology is known to those skilled in the art.

Claims

1. The coal mine safety monitoring device is characterized by comprising a supporting assembly, wherein the supporting assembly comprises a bottom plate, a supporting pipe is fixedly connected to the bottom plate, telescopic guide rail assemblies are arranged on two sides of the top of the supporting pipe, a swinging plate assembly is rotatably connected to the telescopic guide rail assemblies, a control line is connected to the swinging plate assembly, a control interface is arranged on the control line, and a monitoring subassembly and a non-supporting detection assembly are mounted at the control interface.

2. The coal mine safety monitoring device according to claim 1, wherein a special-shaped air bag is arranged in the supporting tube, a plurality of insertion holes are formed in the special-shaped air bag, an air pipe is arranged on the supporting tube and communicated with the special-shaped air bag, and an outer branch pipe is inserted into the insertion holes.

3. The coal mine safety monitoring device according to claim 1, wherein the swinging plate assembly comprises a swinging plate, three swinging rotating shafts are arranged on the swinging plate, reels are mounted on the swinging rotating shafts, control lines are wound on the reels, the control lines are connected with control panels, and the control panels are connected with power supplies.

4. The coal mine safety monitoring device according to claim 3, wherein a rotating shaft is arranged at the end part of the swinging plate, the rotating shaft is rotatably connected to the telescopic guide rail assembly, an inserting rod is arranged on the swinging plate, the inserting rod is matched with an inserting sleeve, and the inserting rod is inserted into the inserting sleeve.

5. The coal mine safety monitoring device according to claim 3, wherein the swinging plate is provided with three guide grooves, the swinging rotating shaft moves in the guide grooves, horizontal grooves are arranged on two sides of the guide grooves, vertical grooves are connected with the horizontal grooves, and the swinging rotating shaft moves in the guide grooves and can move into the vertical grooves along the horizontal grooves.

6. The coal mine safety monitoring device according to claim 5, wherein the vertical slot opening is provided with a blocking mechanism comprising a spring to which is connected a slanted guide block that causes the swing spindle to move into the vertical slot and limits movement of the swing spindle within the vertical slot.

7. The coal mine safety monitoring device according to claim 1 or 6, wherein the monitoring subassembly comprises a sliding plate, three guide holes are formed in the sliding plate, control wires are installed in the guide holes, a control block in the sliding plate is inserted into the control interface 1, an outer branch pipe is arranged below the sliding plate and is inserted into the ground, a telescopic air bag is arranged at the top of the sliding plate, a control box is arranged at the top of the telescopic air bag, and a methane concentration sensor is arranged on the control box.

8. The coal mine safety monitoring device according to claim 7, wherein an inner branch pipe is slidably fitted in the outer branch pipe, the inner branch pipe can slide along the inner wall of the outer branch pipe and is fastened on the outer branch pipe through an adjusting knob, a side guide groove is formed in the outer side of the outer branch pipe, a side guide block is slidably fitted in the side guide groove, and an auxiliary support rod is rotatably connected to the side guide block.

9. The coal mine safety monitoring device according to claim 7, wherein the telescopic air bag comprises a lower air bag and an upper air bag, the lower air bag is fixedly connected to the sliding plate, a middle partition plate is arranged between the lower air bag and the upper air bag, an upper partition plate is arranged on the top of the upper air bag, the upper partition plate is connected with the control box, a lower telescopic spring is arranged in the lower air bag, and an upper telescopic spring is arranged in the upper air bag.

10. The coal mine safety monitoring device according to claim 9, wherein the unsupported detection assembly comprises a detection mounting plate, the detection mounting plate is plugged on the control interface to realize assembly connection, a lower control line is arranged on the lower side of the detection mounting plate, the lower control plate is connected with a lower methane detection sensor, an upper control line is arranged on the upper side of the detection mounting plate, the upper control line is connected with a balloon, and the upper methane detection sensor is connected on the upper control line.