CN210396816U - Goaf waste rock lateral pressure monitoring device - Google Patents
Goaf waste rock lateral pressure monitoring device Download PDFInfo
- Publication number
- CN210396816U CN210396816U CN201921397481.9U CN201921397481U CN210396816U CN 210396816 U CN210396816 U CN 210396816U CN 201921397481 U CN201921397481 U CN 201921397481U CN 210396816 U CN210396816 U CN 210396816U
- Authority
- CN
- China
- Prior art keywords
- waste rock
- control box
- lateral pressure
- base
- pressure monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to a colliery safety monitoring field, concretely relates to collecting space area waste rock lateral pressure monitoring devices, its characterized in that: in the gob-side entry retaining process, the device is arranged in the middle of a roadway gangue blocking body, and the lateral pressure of the gangue in the goaf is dynamically monitored. The device comprises base, fixed plate, control box, pressure sensor, bearing plate, supplies power by the explosion-proof battery of control box right side installation. The control box is installed at the rear part of the base, a display is arranged at the back part of the control box, the current pressure data can be displayed by irradiating a photoreceptor on the left side of the display by the miner lamp, and the data is uploaded to the aboveground control center through the wireless communication module. The utility model provides a collecting space area waste rock lateral pressure monitoring devices can real-time supervision collecting space area waste rock to the lateral pressure of tunnel waste rock body, and the effect of the current engineering geological conditions of quantitative analysis waste rock body is kept off to it supports the design and provides data support to keep off the waste rock for under similar geological conditions.
Description
Technical Field
The utility model relates to a colliery safety monitoring field especially relates to a collecting space area waste rock lateral pressure monitoring devices.
Background
The gob-side entry retaining technology is characterized in that one gate way of a working face is reserved to be used as a gate way of the next working face, and a section coal pillar is cancelled, so that coal pillar-free mining is realized. The goaf waste rock blocking is particularly important in the gob-side entry retaining technology, and particularly under the influence of strong mine pressure in the processes of secondary mining, caving of rock on a top plate of a goaf along a retained roadway and redistribution of mining supporting stress, a waste rock blocking body is mostly damaged due to insufficient self bearing capacity under the lateral pressure impact of waste rock in the goaf, so that the safety production of a mine is seriously threatened. At present, because of the limitation of technical conditions, a retained roadway is generally supported by a project-like ratio method, and the blocking effect of a gangue blocking body on goaf gangue cannot be quantitatively analyzed.
Therefore, a goaf waste rock lateral pressure monitoring device is needed to be provided, and the device can quantitatively monitor the lateral pressure of the goaf waste rock on the waste rock blocking body in the process of blocking the goaf waste rock by the waste rock blocking body, provide real-time early warning for workers, ensure the waste rock blocking effect of the waste rock blocking body, and provide data support for the design scheme of subsequent working face waste rock blocking support.
Disclosure of Invention
The utility model aims to solve the technical problem that to prior art not enough, provide a collecting space area waste rock lateral pressure monitoring devices, at gob entry in-process dynamic monitoring collecting space area waste rock to the lateral pressure of the waste rock body that keeps off, guarantee the safe high-efficient production of mine.
The utility model aims at realizing through the following technical scheme:
the device for monitoring the lateral pressure of the waste rock in the goaf is characterized by comprising a base, wherein a bolt is mounted on the base and is connected with a fixing plate through a nut, a pressure sensor is mounted on the fixing plate, and a disc-shaped bearing plate is arranged at the front end of the pressure sensor; the base rear portion links to each other with the control box, the control box is provided with the display, the display left is provided with the photoreceptor, states the control box top and is provided with wireless communication module, explosion-proof battery is installed on the control box right side, the control box passes through the wire and links to each other with pressure sensor.
Further, in order to be applicable to the waste rock blocking body of various sizes, base, fixed plate all are provided with oval form spout, the bolt can remove in oval form spout, pretension bolt is installed in the outside of spout.
Further, in order to enhance the acid and oxidation resistant effect of the device, the surfaces of the base, the control box, the fixing plate, the sensor and the bearing plate are coated with corrosion resistant materials.
The utility model has the advantages that:
(1) the utility model has novel concept and reasonable design, adopts an assembly structure, and can be suitable for waste rock blocking bodies with different sizes by adjusting the tightness of the pre-tightening bolt;
(2) the display is arranged at the back of the control box, so that underground workers can conveniently monitor the back in real time, and the warning is carried out on the lateral pressure of the gangue in the abnormal goaf;
(3) the wireless communication module is adopted to upload the monitored data to the aboveground control center, so that the analysis of the lateral pressure of the gangue in the goaf by workers is facilitated, and the labor intensity of mine workers is greatly reduced.
Drawings
Fig. 1 is an effect diagram of the device.
Fig. 2 is a side view of the device.
Fig. 3 is a top view of the present device.
Fig. 4 is an isometric view of a fixation plate of the present device.
Fig. 5 is a schematic view of the installation of the device in a roadway.
Illustration of the drawings: 11-a base; 12, fixing a plate; 101-bolt; 102-a nut; 103-pre-tightening the bolt; 104-a chute; 2-a control box; 201 — a display; 202-a photoreceptor; 203-a wireless communication module; 204-explosion-proof battery; 3-a wire; 4-a pressure sensor; 5, a bearing plate; 6-blocking the waste rock; 7-a gangue blocking net; 8, laneway; 801-tunnel roof; 802-roadway floor; 803-goaf gangue; 9-coal seam.
Detailed Description
The utility model is further described in detail with reference to the accompanying drawings 1-5:
the lateral pressure monitoring device for the waste rock in the goaf is characterized by comprising a base 11, wherein a bolt 101 is arranged on the base 11, the bolt 101 is connected with a fixing plate 12 through a nut 102, the base 11 and the fixing plate 12 are both provided with a sliding groove 104, and a pre-tightening bolt 103 is arranged on the outer side of the sliding groove 104; the fixed plate 12 is provided with a pressure sensor 4, the front end of the pressure sensor 4 is provided with a disc-shaped bearing plate 5, and the pressure sensor 4 is connected with the control box 2 through a lead 3; the rear part of the base 1 is connected with a control box 2, the control box 2 is provided with a display 201, and the left side of the display 201 is provided with a photoreceptor 202; a wireless communication module 203 is arranged above the control box 2, and an explosion-proof battery 204 is arranged on the right side of the control box 2. The surfaces of the base 11, the fixing plate 12, the control box 2, the sensor 4 and the bearing plate 5 are coated with corrosion-resistant materials.
The utility model relates to a collecting space area waste rock lateral pressure monitoring devices's application method:
firstly, fixing a base 11 and a fixing plate 12 of the device at the middle part of a waste rock blocking body 6 through bolts 101 and nuts 102, and enabling the front end surface of a pressure bearing plate 5 to abut against a waste rock blocking net 7;
secondly, adjusting the pre-tightening bolt 103, and moving the bolt 101 in the sliding groove 104 in the transverse direction until the bolt 101 is tightly attached to the waste rock blocking body 6;
thirdly, the default state of the display 201 arranged in the control box 2 is a closed state, if a mine worker wants to check the real-time pressure data of the device, the mine worker can irradiate the photoreceptor 202 through the mine lamp, and the display 201 displays the current pressure data after the irradiation for 3 seconds;
fourthly, the wireless communication module 203 arranged above the control box 2 transmits the collected data to an aboveground control center through a base station installed underground.
It should be understood that the above description of the specific embodiments is given in detail and should not be construed as limiting the scope of the invention, and that various modifications, such as changes in size, substitutions and combinations, which are within the scope of the invention as hereinafter claimed, may be made by those skilled in the art without departing from the scope of the invention as hereinafter claimed.
Claims (4)
1. The utility model provides a collecting space area waste rock lateral pressure monitoring devices, a serial communication port, including base (11), base (11) rear portion links to each other with control box (2), bolt (101) are installed in base (11), fixed plate (12) are connected through nut (102) in bolt (101), pressure sensor (4) are installed to fixed plate (12), pressure sensor (4) front end is equipped with discoid bearing plate (5), pressure sensor (4) link to each other with control box (2) through wire (3).
2. The goaf gangue lateral pressure monitoring device as claimed in claim 1, wherein the base (11) and the fixing plate (12) are both provided with an oval chute (104), and a pre-tightening bolt (103) is mounted on the outer side of the chute (104).
3. The goaf gangue lateral pressure monitoring device of claim 1, characterized in that the control box (2) is provided with a display (201), and a photoreceptor (202) is arranged on the left side of the display (201); the wireless communication module (203) is arranged above the control box (2), and the explosion-proof battery (204) is arranged on the right side of the control box (2).
4. The goaf gangue lateral pressure monitoring device of claim 1, characterized in that the surfaces of the base (11), the fixing plate (12), the control box (2), the sensor (4) and the bearing plate (5) are coated with corrosion resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921397481.9U CN210396816U (en) | 2019-08-27 | 2019-08-27 | Goaf waste rock lateral pressure monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921397481.9U CN210396816U (en) | 2019-08-27 | 2019-08-27 | Goaf waste rock lateral pressure monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210396816U true CN210396816U (en) | 2020-04-24 |
Family
ID=70338295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921397481.9U Expired - Fee Related CN210396816U (en) | 2019-08-27 | 2019-08-27 | Goaf waste rock lateral pressure monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210396816U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213181A (en) * | 2020-09-16 | 2021-01-12 | 安徽理工大学 | Method for monitoring and simulating lateral stress of filling entry retaining roadside body |
| CN114047059A (en) * | 2021-11-10 | 2022-02-15 | 临沂大学 | Device for measuring side pressure of caving gangue in goaf under load action |
-
2019
- 2019-08-27 CN CN201921397481.9U patent/CN210396816U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213181A (en) * | 2020-09-16 | 2021-01-12 | 安徽理工大学 | Method for monitoring and simulating lateral stress of filling entry retaining roadside body |
| CN114047059A (en) * | 2021-11-10 | 2022-02-15 | 临沂大学 | Device for measuring side pressure of caving gangue in goaf under load action |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210396816U (en) | Goaf waste rock lateral pressure monitoring device | |
| CN215801718U (en) | Protective net for mine | |
| GB2354789A (en) | Method and apparatus for load rate monitoring | |
| CN207526524U (en) | A kind of mining rescue robot | |
| CN106089230A (en) | The deslagging device of a kind of subway work and method thereof | |
| CN101798935B (en) | Transverse self-moving combined suspension hydraulic bracket | |
| CN210852441U (en) | Rope falling prevention protection device for coal mine aerial passenger device | |
| CN104405385B (en) | A kind of steeply inclined thin seam self-propelled simple drill coal-winning machine and recovery method | |
| CN107559027B (en) | A kind of rail mounted carloader | |
| CN206845205U (en) | Broken Anchor Care machine | |
| CN211144578U (en) | Can monitor pressure variation's fender cash device | |
| CN206360700U (en) | A kind of oil cylinder controls formula helical feed machine overhauling observation window | |
| CN104594905B (en) | Continuous walking type transport crushing machine of open pit coal mine | |
| CN204436396U (en) | Open coal mine continuative transport stepped type crushing engine | |
| CN104196536B (en) | The concentrating mining method of inclined orebody shrinkage mining | |
| CN103708370B (en) | The pneumatic lift rope supporting device of mining inclined tunnel | |
| CN203239390U (en) | Chute structure of coal plough or conveyor | |
| CN207944975U (en) | Air return lane advance timbering bottom raising mechanism suitable for soft seat | |
| CN206190301U (en) | Anchor rope tapered end anti -falling device | |
| CN206125039U (en) | A round alarm device is taken off in colliery monkey car wire rope in pit | |
| CN205462422U (en) | Elevating conveyor aircraft nose uninstallation department secondary breaker | |
| CN212272285U (en) | Anchor hook type anti-falling rope conveying slideway rope supporting hook | |
| CN203570356U (en) | Vehicle passing tunnel air tight door | |
| CN219563753U (en) | Crusher | |
| CN203335101U (en) | Hook type temporary support for U-shaped steel frame shed roadway of coal mine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 Termination date: 20210827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |