CN-224230916-U - Roof monitoring devices suitable for gob entry

Abstract

The utility model relates to a roof monitoring device suitable for gob-side entry retaining, which comprises a monitoring host machine and a monitoring host machine body, wherein the monitoring host machine also comprises a monitoring cylinder and a monitoring host machine body, the surface of the monitoring host machine body is fixedly provided with the monitoring cylinder, the upper part of the monitoring host machine body is fixedly provided with a host machine installation terminal, a beam rod of a monitoring measuring rod is provided with a monitoring ball close to the end part, a magnet is arranged in the monitoring ball, the outside of the magnet is wrapped with a plastic shell, the other end of the beam rod is fixedly connected with a beam rod base, and the upper part of the beam rod base is fixedly provided with a measuring rod installation terminal.

Inventors

• GUO CHAO
• ZHANG XIONGWEI
• LIU JIAN
• FAN YIDONG
• LI JIANGFENG
• SHEN ZHIYONG

Assignees

• 山西潞安环保能源开发股份有限公司
• 中国矿业大学

Dates

Publication Date

20260512

Application Date

20250610

Claims (6)

1. 1. A roof monitoring device suitable for gob-side entry retaining comprises a monitoring host machine (2) and is characterized in that the monitoring host machine (2) further comprises a monitoring cylinder (22) and a monitoring host machine body (23), the monitoring cylinder (22) is fixedly installed on the surface of the monitoring host machine body (23), a host machine installation terminal (21) is fixedly installed on the upper portion of the monitoring host machine body (23), a monitoring ball (14) is arranged on a beam rod (13) of a monitoring measuring rod (1) close to the end portion, a magnet is arranged in the monitoring ball (14), a plastic shell is wrapped outside the magnet, the other end of the beam rod (13) is fixedly connected with a beam rod base (12), a measuring rod installation terminal (11) is fixedly installed on the upper portion of the beam rod base (12), one end of the beam rod (13) for installing the monitoring ball (14) is inserted into the monitoring cylinder (22), a gap is reserved between the inner side of the monitoring cylinder (22) and the beam rod (13) and the monitoring ball (14), and the surface of a monitoring cavity (222) of the monitoring cylinder (22) is provided with a groove installation Hall sensor (221).
2. 2. The roof monitoring device suitable for gob-side entry retaining according to claim 1, wherein the monitoring host (2) is internally provided with a wireless network module, a control machine and a battery pack.
3. 3. The roof monitoring device for gob-side entry retaining according to claim 2, wherein the monitoring host (2) is externally provided with a network line interface and a power interface.
4. 4. The roof monitoring device suitable for gob-side entry retaining according to claim 1, wherein a groove is formed in the middle of the monitoring cavity (222) for installing a diode light supplementing lamp (224), camera mounting grooves (223) are formed in the monitoring cavities (222) on two sides of the diode light supplementing lamp (224), and a camera arranged in the camera mounting grooves (223) is inclined for forty-five degrees towards the middle of the monitoring cavity (222).
5. 5. The roof monitoring device for gob-side entry retaining according to claim 4, wherein the inner surface of the monitoring cavity (222) is provided with graduation marks, and the surface of the monitoring ball (14) is provided with graduation marks.
6. 6. Roof monitoring device suitable for gob-side entry retaining according to claim 1, characterized in that the beam (13) is an elastic rod.

Description

Roof monitoring devices suitable for gob entry Technical Field The utility model relates to the technical field of coal mine safety, in particular to a roof monitoring device suitable for gob-side entry retaining. Background The gob-side entry retaining is characterized in that a supporting body is arranged along the edge of a goaf behind a coal face, an original air inlet lane is reserved to be used as an air return lane of the next face, a door type support and a concrete wall are matched to support the gob-side entry retaining, and along with the gradual pushing of a fully mechanized mining machine, a part of door type support is required to be removed, so that a section of unsafe area with insufficient support is generated in the roadway, the part is mainly supported by a preset anchor rod and anchor cable, but the anchor rod and the anchor cable are arranged in a top plate, and part of the top plate is stressed and extruded by stress and gradually sinks or falls off, so that serious potential safety hazards are caused. At present, the utility model with the patent publication number of CN206556632U discloses a measuring device for pressure bearing and deformation of a roadway roof, which comprises a hinging rod, a pressure sensor and a deformation measuring instrument, wherein the hinging rod is fixed on the roadway roof in an end-to-end mode, the pressure sensor is fixed between the two hinging rods, two ends of a supporting rod are fixed on the hinging rod, the deformation measuring instrument is fixed on the roadway roof through the supporting rod, the measuring device in the prior art cannot well measure the surrounding rock pressure and the surrounding rock deformation of the roadway in real time, and the technical problems of great influence on maintenance of a deep mine roadway are solved. As known from the technical content disclosed above, as the prior art, the utility model with the publication number CN206556632U is to fix a plurality of hinge rods on the section of the roadway to be measured, fix two ends of the supporting rod on the hinge rods, fix the pressure sensor and the deformation measuring instrument on the section of the roadway, the hinge rods and the supporting rod, fix at least one deformation measuring instrument and pressure sensor on each hinge rod, so that the deformation measuring instrument and the pressure sensor can simultaneously measure a plurality of points, and the utility model has the advantage of rapid detection, meanwhile, the measuring instrument does not need manual operation, thereby avoiding measuring errors and improving measuring accuracy, but the utility model has the advantages of more and complex parts, complicated installation and inconvenient use. Disclosure of utility model Aiming at the problems in the prior art, the utility model provides the roof monitoring device suitable for gob-side entry retaining, which can be simply and conveniently installed, can monitor the displacement state of the roof in time and can send out early warning in time. In order to achieve the aim, the roof monitoring device suitable for gob-side entry retaining comprises a monitoring host machine and a monitoring host machine body, wherein the monitoring host machine further comprises a monitoring cylinder and a monitoring host machine body, the monitoring cylinder is fixedly arranged on the surface of the monitoring host machine body, a host machine installation terminal is fixedly arranged on the upper portion of the monitoring host machine body, a monitoring ball is arranged on the beam rod of a monitoring measuring rod close to the end portion, a magnet is arranged in the monitoring ball, a plastic shell is wrapped outside the magnet, the other end of the beam rod is fixedly connected with a beam rod base, a measuring rod installation terminal is fixedly arranged on the upper portion of the beam rod base, one end of the beam rod installation monitoring ball is inserted into the monitoring cylinder, a gap is reserved between the inner side of the monitoring cylinder and the beam rod and the monitoring ball, and a groove is formed in the surface of a monitoring cavity of the monitoring cylinder for installing a Hall sensor. In addition, the roof monitoring device suitable for gob-side entry retaining according to the above embodiment of the present utility model may further have the following additional technical features: As a further improvement of the utility model, the monitoring host is internally provided with a wireless network module, a control machine and a battery pack. As a further improvement of the utility model, the monitoring host is externally provided with a network line interface and a power interface. As a further improvement scheme of the utility model, the middle part of the monitoring cavity is provided with the groove for installing the diode light filling lamp, the monitoring cavities at two sides of the diode light filling lamp are provided with t