CN216477398U - Underground mining face supporting device - Google Patents
Underground mining face supporting device Download PDFInfo
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- CN216477398U CN216477398U CN202122787944.6U CN202122787944U CN216477398U CN 216477398 U CN216477398 U CN 216477398U CN 202122787944 U CN202122787944 U CN 202122787944U CN 216477398 U CN216477398 U CN 216477398U
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Abstract
The utility model relates to a supporting device for an underground mining surface, which comprises a base, a top beam and a connecting beam, wherein the top beam is arranged on the base; a thrust cylinder for adjusting the mining conveyor is arranged at the outer end of the base; the base is connected with the top beam through a jacking cylinder; the front end of the top beam is provided with a first guard plate for supporting the top wall of the mining surface, and a guard plate lifting cylinder is arranged at the connecting position of the top beam and the guard plate; a second guard plate for supporting a working face top plate is arranged at the rear end of the top beam, and a position adjusting cylinder is arranged at the position where the top end of the second guard plate is connected with two grounds of the guard plate; the guard plate II is connected with the base through a connecting rod, and a folding cylinder is arranged at the connecting position of the base and the guard plate II; the thrust cylinder, the jacking cylinder, the guard plate lifting arm cylinder, the position adjusting cylinder and the folding cylinder are all electric cylinders, the thrust cylinder, the jacking cylinder, the guard plate lifting arm cylinder, the position adjusting cylinder and the folding cylinder control power supply are arranged in a construction surface construction distribution box, and a control system is further arranged in the distribution box; according to the utility model, the original large equipment beam and column are decomposed into the modular level structure, the grouped block hoisting of the supporting device is realized, the underground assembly is realized, the hoisting load is greatly reduced, the installation is convenient, and the original strength of the supporting device can be ensured.
Description
Technical Field
The utility model relates to the technical field of underground construction safety support, in particular to an underground mining face support device.
Background
The underground tunnel rock mass has low strength, poor integrity, no self-stability capability and easy collapse, and the underground mine excavation construction in China requires underground support to protect the safety of workers.
The supporting device in the prior art comprises a top beam which is supported at the bottom of a mine roof and is connected with a base through a telescopic cylinder. The telescopic cylinder controls the height of the top beam, the top beam is connected with the side pillar through the connecting beam, and a position adjusting cylinder is arranged at the connecting position of the top beam and the connecting beam; an angle adjusting cylinder is arranged at the position of a connecting included angle between the connecting beam and the side column. The mining face end of the base is provided with a thrust cylinder, and the thrust cylinder is connected with the conveying belt to control the position of the conveying belt. The telescopic cylinder, the thrust cylinder and the like in the support device adopt a hydraulic thrust cylinder. A hydraulic station also needs to be configured in the working area. The hydraulic station has larger volume and occupies the space of the underground construction surface. Moreover, the hydraulic cylinder often leaks oil, the leakage of a small amount of hydraulic oil pollutes the working surface, if the situation that an oil supply pipeline is directly broken occurs, the spraying situation can directly occur due to the large oil supply pressure of the hydraulic oil, and the risk of hurting people exists. The equipment not only occupies large space, but also pollutes the construction surface.
SUMMERY OF THE UTILITY MODEL
The present invention aims to solve the above problems and to provide a support device for a downhole mining face which is clean in working face and easy to operate.
The utility model solves the problems and adopts the technical scheme that:
a supporting device for an underground mining surface comprises a base, a top beam and a connecting beam; the outer end of the base is provided with a thrust cylinder for adjusting the mining conveyor; the base is connected with the top beam through a jacking cylinder; the front end of the top beam is provided with a first protection plate for supporting the top wall of the mining surface, and a first protection plate lifting arm cylinder is arranged at the connecting position of the top beam and the protection plate; a second guard plate for supporting a top plate of a working surface is arranged at the rear end of the top beam, and a position adjusting cylinder is arranged at the position of the top end connected with the two grounds of the guard plate; the guard plate II is connected with the base through a connecting rod, and a folding cylinder is arranged at the connecting position of the base and the guard plate II; the thrust cylinder, the jacking cylinder, the guard plate lifting arm cylinder, the position adjusting cylinder and the folding cylinder are all electric cylinders, the thrust cylinder, the jacking cylinder, the guard plate lifting arm cylinder, the position adjusting cylinder and the folding cylinder control power supply are arranged in a construction surface construction distribution box, and a control system is further arranged in the distribution box; an electronic ruler for monitoring the extension length of the telescopic rod is arranged on the telescopic rod of the jacking cylinder; an encoder is arranged on the jacking cylinder motor; the top of the top plate is provided with a pressure sensor; the electronic ruler, the encoder and the pressure sensor are in signal intercommunication with the control system.
Compared with the prior art, the utility model adopting the technical scheme has the beneficial effects that:
according to the utility model, the original large equipment beam and column are decomposed into the modular level structure, the grouped block hoisting of the supporting device is realized, the underground assembly is realized, the hoisting load is greatly reduced, the installation is convenient, and the original strength of the supporting device can be ensured.
Preferably, the further technical scheme of the utility model is as follows:
the thrust cylinder, the jacking cylinder, the guard plate arm lifting cylinder, the position adjusting cylinder and the folding cylinder are aluminum alloy electric cylinders; the base, the top beam, the guard plate II and the connecting rod are made of aluminum alloy materials.
Drawings
Fig. 1 is a schematic view of the overall structure of the support device of the present invention.
In the figure: 1. a base; 2. a thrust cylinder; 3. a jacking cylinder; 4. a top beam; 5. a first guard plate; 6. a guard plate arm-lifting cylinder; 7. a second guard plate; 8. a position adjusting cylinder; 9. a connecting rod; 10. a folding cylinder; 11. an electronic ruler; 12. an encoder; 13. a pressure sensor; 14. an electric cabinet.
Detailed Description
The utility model will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the utility model.
Referring to fig. 1, the utility model provides a mine mining supporting device, which is an underground mining surface supporting device and comprises a base 1, a top beam 4 and a connecting beam; the outer end of the base 1 is provided with a thrust cylinder 2 for adjusting the mining conveyor; the base 1 is connected with a top beam 4 through a jacking cylinder 3; a guard plate I5 for supporting the top wall of the mining face is arranged at the front end of the top beam 4, and a guard plate lifting arm cylinder 6 is arranged at the connecting position of the top beam 4 and the guard plate; a second protection plate 7 for supporting a working surface top plate is arranged at the rear end of the top beam 4, and a position adjusting cylinder 8 is arranged at the connecting position of the top end and the second protection plate 7; the guard plate II 7 is connected with the base 1 through a connecting rod 9, and a folding cylinder 10 is arranged at the connecting position of the base 1 and the guard plate II 7; the thrust cylinder 2, the jacking cylinder 3, the guard plate arm lifting cylinder 6, the position adjusting cylinder 8 and the folding cylinder 10 are all electric cylinders, the thrust cylinder 2, the jacking cylinder 3, the guard plate arm lifting cylinder 6, the position adjusting cylinder 8 and the folding cylinder 10 control power supplies to be arranged in a construction surface construction distribution box, and a control system is further arranged in the distribution box; an electronic ruler 11 for monitoring the extension length of the telescopic rod is arranged on the telescopic rod of the jacking cylinder 3; an encoder 12 is arranged on the motor of the jacking cylinder 3; the top of the top plate is provided with a pressure sensor 13; the electronic scale 11, the encoder 12 and the pressure sensor 13 are in signal communication with the control system.
The utility model changes the original structure of realizing the movable support of the support device in the form of a hydraulic cylinder into the structure of realizing the movable deformation and the load support of the support device by an electric cylinder. The electric control structure is correspondingly designed, and the monitoring and control functions of the supporting state are increased. Due to the different pressures at the various positions of the equipment, the pressure sensor 13 feeds back a signal to alarm when the equipment is overloaded. The electronic ruler 11 monitors the change of the telescopic rod of the electric cylinder, and can detect whether the pressure of each electric cylinder is overloaded or not; the encoder 12 on the motor of the electric cylinder is also used for detecting the change of the telescopic rod of the electric cylinder and judging the change of the output pressure of the electric cylinder. The intelligent electric cabinet 14 can be remotely controlled, so that the monitoring of the running state of the equipment by a manager station is realized, and the use of the manager and the accurate control of the supporting device are facilitated. The administrator can clearly know the real-time use state of the equipment, immediately manages and controls the equipment, and improves the working efficiency. On the output of energy consumption, the system can be controlled through the scene, reduces the overuse of energy consumption, realizes intelligent linkage, improves the management level.
The original hydraulic cylinder is large in size and very large in weight, so that the overall load of the supporting device is large. This results in a very easy overload of the crane during the hoisting movement of the device into the well. Furthermore, the electric cylinder is an aluminum alloy electric cylinder, the electric cylinder is high in strength and light in weight compared with the electric cylinder with a common steel structure, and the overall weight of the supporting device can be further reduced.
Compared with the prior art, the utility model has the beneficial effects that:
1) the hydraulic cylinder is replaced by the electric cylinder, the electric cylinder power supply is taken from the own power supply of the construction surface, the occupied space is not increased, and the problem that the hydraulic station is large in size and occupies the space of the construction surface is solved.
2) Hydraulic oil leakage easily occurs in the use process of the hydraulic system, the working face is polluted slightly, the accident that people are injured by spraying of hydraulic oil is caused seriously, the electric cylinder is relatively clean in use, and the safety is higher.
3) Electric cylinder, especially the electric cylinder of aluminum alloy compare in the whole set of drive structure of former pneumatic cylinder, light in weight, the equipment load that reduces on the whole, the equipment handling of being more convenient for.
4) The electric cylinder facilitates the optimization of the automatic control of the supporting device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (2)
1. An underground mining surface supporting device comprises a base (1), a top beam (4) and a connecting beam; a thrust cylinder (2) for adjusting the mining conveyor is arranged at the outer end of the base (1); the base (1) is connected with the top beam (4) through the jacking cylinder (3); a guard plate I (5) for supporting the top wall of the mining face is arranged at the front end of the top beam (4), and a guard plate arm lifting cylinder (6) is arranged at the connecting position of the top beam (4) and the guard plate I (5); a second guard plate (7) for supporting a working face top plate is arranged at the rear end of the top beam (4), and a position adjusting cylinder (8) is arranged at the connecting position of the top end and the second guard plate (7); the guard plate II (7) is connected with the base (1) through a connecting rod (9), and a folding cylinder (10) is arranged at the connecting position of the base (1) and the guard plate II (7); the method is characterized in that: the thrust cylinder (2), the jacking cylinder (3), the guard plate lifting arm cylinder (6), the position adjusting cylinder (8) and the folding cylinder (10) are all electric cylinders, a control power supply of the thrust cylinder (2), the jacking cylinder (3), the guard plate lifting arm cylinder (6), the position adjusting cylinder (8) and the folding cylinder (10) is arranged in a construction surface construction distribution box, and a control system is further arranged in the distribution box; an electronic ruler (11) for monitoring the extension length of the telescopic rod is arranged on the telescopic rod of the jacking cylinder (3); an encoder (12) is arranged on a motor of the jacking cylinder (3); a pressure sensor (13) is arranged at the top of the top plate; the electronic ruler (11), the encoder (12) and the pressure sensor (13) are in signal communication with the control system.
2. A downhole mining face support apparatus according to claim 1, wherein: the thrust cylinder (2), the jacking cylinder (3), the guard plate lifting arm cylinder (6), the position adjusting cylinder (8) and the folding cylinder (10) are aluminum alloy electric cylinders; the base (1), the top beam (4), the second guard plate (7) and the connecting rod (9) are made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122787944.6U CN216477398U (en) | 2021-11-15 | 2021-11-15 | Underground mining face supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122787944.6U CN216477398U (en) | 2021-11-15 | 2021-11-15 | Underground mining face supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216477398U true CN216477398U (en) | 2022-05-10 |
Family
ID=81451510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122787944.6U Active CN216477398U (en) | 2021-11-15 | 2021-11-15 | Underground mining face supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216477398U (en) |
-
2021
- 2021-11-15 CN CN202122787944.6U patent/CN216477398U/en active Active
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