CN219198768U

CN219198768U - Hanging device for sensor of coal mine tunneling working face

Info

Publication number: CN219198768U
Application number: CN202223135392.1U
Authority: CN
Inventors: 郭煜; 毛薪杰; 苟治伦; 李健; 蒋庆; 陈梁
Original assignee: Sichuan Huayingshan Longtan Coal Co ltd
Current assignee: Sichuan Huayingshan Longtan Coal Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-06-16
Anticipated expiration: 2032-11-24

Abstract

The utility model belongs to the technical field of coal mine engineering equipment, and particularly relates to a sensor hanging device for a coal mine tunneling working face. Comprising the following steps: the methane sensor can be hung on a limiter welded on the upper hanging rod, so that the position away from the top is ensured; the hydrogen sulfide sensor can be hung on a limiter welded on the lower hanging rod, so that the position requirement on the distance from the bottom is ensured. The device has the beneficial effects that after the device is put into use, the problem that the hanging of the tunneling working face sensor is not standard is solved, the moving and expanding efficiency of the tunneling working face methane sensor is greatly improved, and meanwhile, the possibility of fault alarm caused by falling off and damage of a probe is greatly reduced.

Description

Hanging device for sensor of coal mine tunneling working face

Technical Field

The utility model belongs to the technical field of coal mine engineering equipment, and particularly relates to a sensor hanging device for a coal mine tunneling working face.

Background

The Longtan coal mine belongs to a coal and gas outburst mine, and is provided with 2 coal faces and 9 tunneling working faces for organizing operation, wherein the tunneling working faces comprise 2 coal lanes and 7 rock lanes. According to relevant regulations such as the coal mine safety regulations, the coal mine safety monitoring system and the use management regulations of detection instruments, various sensors must be installed on the mining working face according to the regulations. The rock roadway of the Longta coal mine is uniformly distributed with the layer of the two-fold system cogongrass, the top of the two-fold system cogongrass contains slit gas and hydrogen sulfide gas, and the slit gas and the hydrogen sulfide gas generally exist in the slit and the fault plane. Therefore, the methane sensor and the hydrogen sulfide sensor are required to be hung at the same time in all rock roadway tunneling works, the methane sensor is required to be hung at the position, which is not more than 300mm away from the top of the roadway, and the hydrogen sulfide sensor is required to be hung at the position, which is not more than 300mm away from the bottom. The mine current bottom plate gas extraction roadway is arranged with more head and face, 7 rock drift tunneling working faces are arranged in total, sensors are required to move along with time due to working procedures such as blasting, gangue discharging and the like, and if a current sensor hanging mode is adopted, a methane or hydrogen sulfide sensor and a monitoring cable are extremely easy to damage, so that a sensor fault alarm accident is caused.

Disclosure of Invention

The utility model provides a hanging device for a sensor of a coal mine tunneling working face, which aims to solve the problems that the existing methane or hydrogen sulfide sensor and monitoring cables are damaged, so that the sensor fails to alarm, the hanging direction is not fixed, and the hanging mode is inconvenient to move.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a colliery drivage face sensor cable suspension device, includes the screens ware, still includes: the flexible anti-slip cap is arranged at the top of the telescopic rod, the upper suspension rod is arranged at the upper end of the telescopic rod and penetrates through the telescopic rod, the telescopic rod is arranged on the supporting rod, the base is welded below the supporting rod, the bottom is welded below the base, the lower suspension rod is arranged at the lower end of the supporting rod, close to a port and in threaded connection with the sliding sleeve, the sliding sleeve is wrapped on the surface of the bottommost end of the supporting rod, the two clamping devices are respectively welded at the port parts of the upper suspension rod and the lower suspension rod upwards, the cable fixer is welded at the middle end of the telescopic rod upwards, and the fastening device is tightly propped against the supporting rod.

Further, the top soft anti-slip cap is tightly contacted and pressed with a top plate with any lithology.

Further, the telescopic rod is fixed through the jacking force of the fastening device on the supporting rod, and the relative position of the telescopic rod and the supporting rod is adjusted through adjusting the tightness of the fastening device.

Further, the number of the fastening devices is three, two reserved holes are formed below the middle point of the telescopic rod, two nuts are welded on the two reserved holes, the two fastening devices are tightly propped against the supporting rod through nut screw joints on the telescopic rod, one reserved hole is formed in the sliding sleeve, one nut is welded on the sliding sleeve, and the other fastening device is tightly propped against the supporting rod through nut screw joints on the sliding sleeve.

Further, the sliding sleeve adjusts the relative height of the lower hanging rod by adjusting the tightness of the fastening device.

Further, the upper hanging rod is arranged at the upper end of the telescopic rod and penetrates through the telescopic rod, and the distance from the upper end port of the telescopic rod is not more than 300 mm.

Further, the lower suspension rod is arranged at the position, close to the port, of the lower end of the support rod and is in threaded connection with the sliding sleeve, and the position, which is not more than 300mm away from the port of the lower end of the support rod.

Further, the two retainers are welded at the port portions of the upper hanging rod and the lower hanging rod with openings facing upwards respectively, and the sensor is hung on the retainers.

Further, the bottom braze is welded below the base and is used for being inserted into sludge or gangue at the bottom of the roadway.

The utility model has the following advantages and beneficial effects: the prior art mainly utilizes iron wires or other small wires to hang by means of short anchor rods for top construction, methane or hydrogen sulfide sensors and monitoring cables are extremely easy to damage, so that sensor fault alarm accidents are caused, the sensor hanging device can control the height by adjusting the relative positions of telescopic rods and supporting rods, fastening devices are used for fastening the sensor hanging device to meet the requirements of different roadway heights, the sensor hanging device can be inserted into sludge or gangue accumulation at the bottom of a roadway by means of bottom drills, soft anti-slip caps at the top are in contact with a roadway top plate, the whole hanging device is more stable, after the device is put into use, the hanging positions of the tunneling working face sensor are more, the hanging direction is not fixed, the hanging mode is inconvenient to solve the problem of moving and expanding, the moving and expanding efficiency of the tunneling working face methane sensor is greatly improved, and meanwhile the possibility of fault alarm caused by falling and damage of probes is greatly reduced.

Drawings

FIG. 1 is a front view structure diagram of a hanging device for a sensor of a coal mine tunneling working face.

Fig. 2 is an a enlarged schematic diagram in a front view structure diagram of a hanging device of a sensor of a coal mine driving face.

Fig. 3 is a schematic diagram of a B-type enlarged structure in a front view structure diagram of a hanging device for a sensor of a coal mine driving face.

Icon: 1-a top soft anti-slip cap; 2-a retainer; 3-upper hanger bar; 4-a telescopic rod; 5-supporting rods; 6-a cable holder; 7-fastening means; 8-sliding sleeve; 9-a lower hanger bar; 10-a base; 11-bottom drill rod; 12-nut.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

Examples

As shown in fig. 1, an embodiment provides a hanging device for a sensor of a coal mine tunneling working face, which may include a retainer 2, and may further include: the flexible anti-slip cap 1 at the top, upper portion hangs pole 3, telescopic link 4, bracing piece 5, cable fixer 6, fastener 7, sliding sleeve 8, lower part hang pole 9, base 10 and end borer 11, wherein, the flexible anti-slip cap 1 at the top of telescopic link 4, upper portion hangs pole 3 and sets up in telescopic link 4 upper end and run through telescopic link 4, telescopic link 4 sets up on bracing piece 5, a base 10 of welding below bracing piece 5, end borer 11 welds below base 10, lower part hangs pole 9 and sets up in bracing piece 5 lower extreme near port department and with sliding sleeve 8 spiro union, sliding sleeve 8 parcel is at the surface of bracing piece 5 lower extreme, two screens ware 2 open-top welding respectively at the port portion of upper portion and lower part hang pole 3, cable fixer 6 open-top welds in telescopic link 4's middle-end, fastener 7 top is tightly in bracing piece 5.

In the device, in order to meet the operation requirement of the hanging device of the sensor of the coal mine tunneling working face, the top soft anti-skid cap 1 is tightly contacted with a roof with any lithology, so that the effect of preventing sliding is achieved.

Here, telescopic link 4 is fixed through fastener 7 to bracing piece 5's tight power of top, can adjust fastener 7's elasticity and then adjust telescopic link 4 and bracing piece 5's relative position, and the height of whole device is adjusted to the slip telescopic link 4 to satisfy different tunnel height, section's demand.

It should be noted that, here, upper portion suspension rod 3 sets up in telescopic link 4 upper end and runs through telescopic link 4, be no more than 300mm department apart from telescopic link 4 upper end port, lower part suspension rod 9 sets up in bracing piece 5 lower extreme is close to port department and with sliding sleeve 8 spiro union, be no more than 300mm apart from bracing piece 5 lower extreme port department, according to the tunnel of different height, the height of upper portion suspension rod 3 and lower part suspension rod 9 can be changed to the elasticity of fastener 7, in order to satisfy the requirement of different sensor hanging height, the device is for tunnelling working face suspension methane sensor and hydrogen sulfide sensor design, if there is not hydrogen sulfide head to gush out in the tunnel, only need hang methane sensor, lower part sliding sleeve 8 and lower part suspension rod 9 can dismantle.

The two clamping devices 2 in the device are respectively welded at the port parts of the upper hanging rod 3 and the lower hanging rod 9 with the openings upwards, the sensor is hung on the clamping devices 2, once the sensor is hung, the sensor is prevented from shaking left and right, the device is characterized in that a methane sensor is hung on the upper part and a hydrogen sulfide sensor is hung on the lower part, a monitoring cable is arranged in the middle of the device and can be directly connected through a cable fixer 6, the standardization of the cable is ensured, and the problems that the hanging points in the prior art are many and are unstable and the monitoring sensor is possibly damaged due to falling off are solved; the hanging direction is not fixed, once the hanging direction is touched by personnel or facility equipment, the direction is easy to rotate, and the main problem of checking the display data of the sensor in real time is not facilitated.

In addition, it should be noted that the bottom drill rod 11 is welded below the base 10 and is used for being inserted into sludge or gangue at the bottom of a roadway, so that the device is firmer and more reliable.

Specifically, when the methane sensor is used, the methane sensor is firstly arranged at a designed position after the methane sensor is assembled, the methane sensor is hung on the clamping device 2 welded on the upper hanging rod 3, the position which is not more than 300mm away from the top is ensured, the hydrogen sulfide sensor is hung on the clamping device 2 welded on the lower hanging rod 9, the position which is not more than 300mm away from the bottom is ensured, a monitoring cable can be directly connected through the cable fixer 6 in the middle, the prior art mainly utilizes an iron wire or other small wires for hanging by means of a short anchor rod for top construction, hanging points are multiple, hanging directions are not fixed, a hanging mode is inconvenient to move and expand, falling damage of the monitoring sensor and sensor fault alarm are easy to cause, meanwhile, the sensor display data is also unfavorable to be checked in real time, the methane sensor and the hydrogen sulfide sensor can be hung in a unified specification, for example, when the methane sensor is not hung in a roadway, the lower sliding sleeve 8 and the lower hanging rod 9 can be detached, the position of the methane sensor can be well adjusted by the sliding sleeve 4 and the sliding rod 8, and the position of the sensor can not be well adjusted.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The hanging device for the sensor of the coal mine tunneling working face comprises a clamping device (2) and is characterized by further comprising: the utility model provides a soft slipcap in top (1), upper portion hang pole (3), telescopic link (4), bracing piece (5), cable fixer (6), fastener (7), sliding sleeve (8), lower part hang pole (9), base (10) and end borer (11), soft slipcap in top (1) sets up at telescopic link (4) top, upper portion hangs pole (3) and sets up in telescopic link (4) upper end and runs through telescopic link (4), telescopic link (4) set up on bracing piece (5), a base (10) of welding below bracing piece (5), end borer (11) welding is under base (10), lower part hangs pole (9) set up in bracing piece (5) lower extreme be close to port department and with sliding sleeve (8) spiro union, sliding sleeve (8) parcel is at the surface of bracing piece (5) lower extreme, two screens ware (2) open-end up at upper portion hang pole (3) and lower part of hanging pole (9) respectively, cable fixer (6) open-end up in welding in telescopic link (7) top in the fastener (7).

2. The coal mine heading face sensor hanging device according to claim 1, wherein: the top soft anti-slip cap (1) is tightly contacted and propped with a top plate with any lithology.

3. The coal mine heading face sensor hanging device according to claim 1, wherein: the telescopic rod (4) is further fixed through the jacking force of the fastening device (7) on the supporting rod (5), and the relative position of the telescopic rod (4) and the supporting rod (5) is further adjusted by adjusting the tightness of the fastening device (7).

4. A coal mine heading face sensor suspension as defined in claim 3 wherein: the three fastening devices (7) are arranged below the middle point of the telescopic rod (4), two reserved holes are formed in the two reserved holes, two nuts (12) are welded on the two fastening devices (7) in a screwed connection mode through the nuts (12) on the telescopic rod (4), the two fastening devices are tightly propped against the supporting rod (5), a reserved opening is formed in the sliding sleeve (8), one nut (12) is welded on the sliding sleeve, and the other fastening device (7) is tightly propped against the supporting rod (5) through the nuts (12) on the sliding sleeve (8).

5. The coal mine heading face sensor hanging device according to claim 4, wherein: the sliding sleeve (8) adjusts the relative height of the lower hanging rod (9) by adjusting the tightness of the fastening device (7).

6. The coal mine heading face sensor hanging device according to claim 1, wherein: the upper hanging rod (3) is arranged at the upper end of the telescopic rod (4) and penetrates through the telescopic rod (4), and the position, which is not more than 300mm away from the port at the upper end of the telescopic rod (4).

7. The coal mine heading face sensor hanging device according to claim 1, wherein: the lower suspension rod (9) is arranged at the position, close to the port, of the lower end of the support rod (5) and is in threaded connection with the sliding sleeve (8), and the position, which is not more than 300mm away from the port of the lower end of the support rod (5).

8. The coal mine heading face sensor suspension device as defined in claim 7 wherein: the two clamping devices (2) are respectively welded at the port parts of the upper hanging rod (3) and the lower hanging rod (9) with openings upwards, and the sensor is hung on the clamping devices (2).

9. The coal mine heading face sensor hanging device according to claim 1, wherein: the bottom borer (11) is welded below the base (10) and is used for being inserted into sludge or gangue at the bottom of a roadway.