CN210977547U - Triangular area shield system - Google Patents
Triangular area shield system Download PDFInfo
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- CN210977547U CN210977547U CN201921855369.5U CN201921855369U CN210977547U CN 210977547 U CN210977547 U CN 210977547U CN 201921855369 U CN201921855369 U CN 201921855369U CN 210977547 U CN210977547 U CN 210977547U
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Abstract
The embodiment of the utility model discloses a triangular area shield system, which comprises a front bracket and a rear bracket; the front support comprises a front base, a front supporting oil cylinder and a front supporting top plate for supporting the top plate, the fixing part of the front supporting oil cylinder is arranged on the front base, and the output part of the front supporting oil cylinder lifts the front supporting top plate; the rear support comprises a pushing mechanism, a rear base, a rear supporting oil cylinder and a rear supporting top plate used for supporting the top plate, the fixing portion of the rear supporting oil cylinder is arranged on the rear base, the output portion of the rear supporting oil cylinder lifts the rear supporting top plate, and the rear base is connected with the front base through the pushing mechanism. By utilizing the embodiment of the utility model, the support can be provided for the triangular area when the hydraulic support is withdrawn, the empty roof area is reduced, and the safety is ensured; and the triangular area can be evacuated, compared with the traditional supporting mode, the material is saved, and the safety is also guaranteed.
Description
Technical Field
The utility model relates to a colliery technical field, concretely relates to triangular space shields system.
Background
Comprehensive mechanical coal mining becomes the mainstream of coal mining process innovation in modern mine construction with high yield and high efficiency, equipment retraction of a fully mechanized coal mining face is an important link for creating a high-yield and high-efficiency mine, and is a huge system project, and particularly the retraction of a hydraulic support of the fully mechanized coal mining face is more prominent. Therefore, the safe and quick retraction of the hydraulic support on the working face plays a crucial role in influencing the smooth progress of the whole project.
At present, the hydraulic support is mostly retracted by adopting an auxiliary roadway multi-channel retraction technology, multi-head parallel operation is realized, and the purpose of rapid retraction is achieved. However, due to uncertain geological conditions, the support of the triangular area is always a difficulty in withdrawing the hydraulic support. The traditional supporting mode of the triangular area is that a road wood and a wood pillar are adopted for supporting a top plate, supported materials cannot be recycled, and a large amount of material consumption and labor loss are caused. Meanwhile, the empty top area is large, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In view of this, an embodiment of the present invention provides a triangular area shield system to solve the above technical problem.
The embodiment of the utility model provides a triangular space shielding system, it includes: a front bracket and a rear bracket; the front support comprises a front base, a front supporting oil cylinder and a front supporting top plate for supporting the top plate, the fixing part of the front supporting oil cylinder is arranged on the front base, and the output part of the front supporting oil cylinder lifts the front supporting top plate; the rear support comprises a pushing mechanism, a rear base, a rear supporting oil cylinder and a rear supporting top plate used for supporting the top plate, the fixing portion of the rear supporting oil cylinder is arranged on the rear base, the output portion of the rear supporting oil cylinder lifts the rear supporting top plate, and the rear base is connected with the front base through the pushing mechanism.
Optionally, the rear bracket further comprises: and two opposite sides of the shield beam are respectively connected with the rear base and the rear supporting top plate.
Optionally, the shelter beam comprises a first beam frame and a second beam frame, a first end of the first beam frame is hinged with the rear base, a second end of the first beam frame is hinged with a first end of the second beam frame, and a second end of the second beam frame is hinged with the rear supporting top plate.
Optionally, the rear support further comprises a support link, and two ends of the support link are respectively hinged with the second beam frame and the rear base.
Optionally, the support link is hinged at an intermediate position in the length direction of the second beam frame.
Optionally, the pushing mechanism includes a push-pull oil cylinder and a pushing rod, the rear base has a slideway for accommodating the pushing rod, the push-pull oil cylinder is mounted on the rear base, an output part of the push-pull oil cylinder is in transmission connection with the pushing rod and drives the pushing rod to move along the slideway, and one end of the pushing rod is connected with the front base.
Optionally, the front support further comprises a front gangue stop plate, and front rod stop plates are hinged to two opposite sides of the front supporting top plate.
Optionally, the rear support further comprises a rear gangue stop plate, and rear fender rod plates are hinged to two opposite sides of the rear supporting top plate.
Optionally, the hydraulic control system further comprises a first operating valve for controlling the rear support cylinder and the push-pull cylinder to operate and a second operating valve for controlling the front support cylinder to operate, the first operating valve is arranged on the rear base, the second operating valve is arranged on the front base, and the first operating valve and the second operating valve are respectively provided with a receiving controller for receiving a wireless remote control communication signal.
Optionally, the number of the front support cylinder and the rear support cylinder is at least four.
The triangular area shield system provided by the embodiment of the utility model has the advantages that the front support and the rear support are arranged to support the roadway roof, the front support and the rear support can alternately support and move, the effective support can be provided for the triangular area roof when the hydraulic support is withdrawn, the empty roof area is reduced, and the safety is guaranteed; and the hydraulic support can be moved along with the retraction of the hydraulic support, so that the hydraulic support is gradually withdrawn from the triangular area, the material is saved compared with the traditional support mode that the support material cannot be recovered, and the safety is also guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a triangular area shield system according to an embodiment of the present invention.
Fig. 2 is a front view of the working state of the triangular space shield system according to the embodiment of the present invention.
Fig. 3 is a top view of the working state of the triangular shield system according to the embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 shows the schematic structural diagram of the triangular region shield system of the embodiment of the present invention, as shown in fig. 1, the embodiment of the present invention provides a triangular region shield system, which includes: a front bracket 10 and a rear bracket 30.
In the process of withdrawing the fully mechanized mining hydraulic support, after part of the fully mechanized mining hydraulic support is moved, a top plate exposed between the withdrawing roadway end shield support and the fully mechanized mining hydraulic support is called a triangular area. The embodiment of the utility model provides a triangular space shielding system is used for strutting the tunnel roof in triangular space.
The front bracket 10 includes a front base 11, a front support cylinder 13, and a front support top plate 15 for supporting a top plate.
The fixed part of the front support cylinder 13 is arranged on the front base 11, and the output part of the front support cylinder 13 lifts the front support top plate 15.
The rear bracket 30 includes a pushing mechanism, a rear base 35, a rear support cylinder 37, and a rear support top plate 39 for supporting the top plate.
The fixed part of the rear support oil cylinder 37 is arranged on the rear base 35, the output part of the rear support oil cylinder 37 lifts the rear support top plate 39, and the rear base 35 is connected with the front base 11 through a pushing mechanism.
When the triangular area shield system works, as shown in fig. 2-3, the front support oil cylinder 13 of the front support 10 extends out to support the front support top plate 15 to support the roadway roof, and the rear support oil cylinder 37 of the rear support 30 extends out to support the rear support top plate 39 to support the roof.
When the triangular area shield system moves, the front support 10 can take the rear support 30 as a fulcrum, namely the rear support 30 continues to support the roadway roof, the front support cylinder 13 of the front support 10 contracts, and the front support 10 is driven to wipe the roof to move towards the direction close to the rear support 30 through the contraction of the push-pull mechanism.
Similarly, when the rear bracket 30 moves, the front bracket 10 serves as a fulcrum to perform a top wiper movement. The front supports 10 and the rear supports 30 are alternately operated to realize the movement of the gore shield system.
The triangular area shield system provided by the embodiment of the utility model has the advantages that the front support and the rear support are arranged to support the roadway roof, the front support and the rear support can alternately support and move, the effective support can be provided for the triangular area roof when the hydraulic support is withdrawn, the empty roof area is reduced, and the safety is guaranteed; and the hydraulic support can be moved along with the retraction of the hydraulic support, so that the hydraulic support is gradually withdrawn from the triangular area, the material is saved compared with the traditional support mode that the support material cannot be recovered, and the safety is also guaranteed.
Further, as shown in fig. 2, the rear bracket 30 further includes: a shield beam, opposite sides of which are connected to the rear base 35 and the rear roof support 39, respectively.
By providing the shield beam, a certain support and protection are provided in the triangular region 200, reducing the open top area of the triangular region 200.
Preferably, the shelter beam comprises a first beam 312 and a second beam 314, the first end of the first beam 312 being hingedly connected to the rear base 35, the second end of the first beam 312 being hingedly connected to the first end of the second beam 314, and the second end of the second beam 314 being hingedly connected to the rear support roof 39.
By providing the screen beam as the first beam frame 312 and the second beam frame 314, the structure of the screen beam can be simplified, and the production cost can be reduced.
Furthermore, as shown in fig. 1, the hinge point of the first beam frame 312 and the second beam frame 314, the hinge point of the first beam frame 312 and the rear base 35, and the hinge point of the second beam frame 314 and the rear top support plate 39 are sequentially connected to form a triangle, so that the shape of the shelter beam is more matched with that of the triangular area 200, and the area of the empty top of the triangular area 200 is reduced to a greater extent.
Preferably, the rear bracket 30 further includes a support link 41, and both ends of the support link 41 are respectively hinged with the second beam 314 and the rear base 35.
Through setting up support connecting rod 41, can provide certain additional action for the strutting of shield roof beam, improve the reliability of supporting.
Optionally, the support link 41 is hinged at an intermediate position along the length of the second beam 314 to better provide support.
Further, the pushing mechanism comprises a push-pull cylinder 332 and a pushing rod 334, and the push-pull cylinder 332 is mounted on the rear base 35.
Rear base 35 has a slide 352 for receiving push rod 334, and the output of push-pull cylinder 332 is drivingly connected to push rod 334 and enables push rod 334 to move along slide 352, and one end of push rod 334 is connected to front base 11.
By arranging the push-pull oil cylinder 332 and the push rod 334 and arranging the slide 352 in the rear base 35, the front support 10 and the rear support 30 can be arranged closely, the supporting force for the top plate is improved, and the empty top area is reduced.
Further, the front support 10 further comprises a front waste rock blocking plate 17, and the two opposite sides of the front supporting top plate 15 are hinged with the front waste rock blocking plate 17, so that dropped waste rocks can be prevented from entering the front support 10, parts of the front support 10 are prevented from being damaged, the safety of operators can be guaranteed, and the safety factor is improved.
Similarly, the rear bracket 30 also includes rear mine spoil barriers 43, the rear mine spoil barriers 43 being provided on opposite sides of the rear supporting roof 39.
Preferably, the delta shield system further includes a first operating valve for controlling the operation of the rear support cylinder 37 and the push-pull cylinder 332 and a second operating valve 51 for controlling the operation of the front support cylinder 13.
The first operation valve 50 is disposed on the rear base 35, the second operation valve 51 is disposed on the front base 11, and the first operation valve 50 and the second operation valve 51 are each provided with a receiving controller for receiving a wireless remote control communication signal, and the receiving controller is electrically connected to the first operation valve or the second operation valve.
The remote controller transmits a control command, and the receiving controller of the first operating valve 50 receives the control command, thereby controlling the operation of the first operating valve 50.
The receiving controller of the second operating valve 51 controls the first operating valve to operate upon receiving the control command. The receiving controller is electrically connected with the first operating valve or the second operating valve by adopting an existing circuit. The receiving controller adopts the existing logic programming to realize the control function.
Through the cooperation of adopting receiving controller and remote controller, operating personnel can remote control the special shield support 100 of triangular space and carry out work when withdrawing hydraulic support 300, protection personnel's safety.
In one embodiment, the number of the front support cylinders and the number of the rear support cylinders are at least four.
At least four front support cylinders 13 are arranged on the front base 11 in a rectangular shape. At least four rear support cylinders 37 are arranged in a rectangular pattern on the rear base 35.
At least eight support hydro-cylinders constitute eight at least support bases, can provide more stable supporting effect for the top in trigonum 200 department, improve the stability of trigonum 200 when hydraulic support 300 withdraws.
In one embodiment, the push-pull cylinder 332 may be a conventional push-pull jack, and the first and second operation valves 50 and 51 may be conventional solenoid valves.
The technical solution of the present invention is described in detail with reference to the specific embodiments, and the described specific embodiments are used to help understand the idea of the present invention. The derivation and modification made by the person skilled in the art on the basis of the specific embodiments of the present invention also belong to the protection scope of the present invention.
Claims (10)
1. A shelter system for a triangular space, comprising: a front bracket and a rear bracket; the front support comprises a front base, a front supporting oil cylinder and a front supporting top plate for supporting the top plate, the fixing part of the front supporting oil cylinder is arranged on the front base, and the output part of the front supporting oil cylinder lifts the front supporting top plate;
the rear support comprises a pushing mechanism, a rear base, a rear supporting oil cylinder and a rear supporting top plate used for supporting the top plate, the fixing portion of the rear supporting oil cylinder is arranged on the rear base, the output portion of the rear supporting oil cylinder lifts the rear supporting top plate, and the rear base is connected with the front base through the pushing mechanism.
2. The triangular shelter system of claim 1, wherein the rear support further comprises: and two opposite sides of the shield beam are respectively connected with the rear base and the rear supporting top plate.
3. The shelter system of claim 2, wherein the shelter beam comprises a first beam and a second beam, the first beam being hingedly connected at a first end to the rear base, a second end to a first end of the second beam, and a second end of the second beam being hingedly connected to the rear support roof.
4. The shelter system for the triangular space defined in claim 3, wherein the rear support further comprises a support link having both ends hinged to the second beam and the rear base, respectively.
5. The shelter system as claimed in claim 4, wherein the support link is hinged at a position intermediate the length of the second beam.
6. The triangular shield system according to claim 1, wherein the pushing mechanism comprises a push-pull cylinder and a pushing rod, the rear base has a slide way for accommodating the pushing rod, the push-pull cylinder is mounted on the rear base, an output part of the push-pull cylinder is in transmission connection with the pushing rod and drives the pushing rod to move along the slide way, and one end of the pushing rod is connected with the front base.
7. The triangular space shield system of claim 1, wherein the forward support further comprises a forward mine spoil panel, and wherein forward stop bar panels are hinged to opposite sides of the forward support roof.
8. The triangular space shield system of claim 1, wherein the rear support further comprises a rear mine spoil barrier, and wherein rear fender panels are hinged to opposite sides of the rear support roof.
9. The shelter system for the triangular space according to any one of claims 1 to 8, further comprising a first operation valve for controlling the operation of the rear support cylinder and the push-pull cylinder, and a second operation valve for controlling the operation of the front support cylinder, the first operation valve being provided on the rear base, the second operation valve being provided on the front base, and the first operation valve and the second operation valve each being provided with a receiving controller for receiving a wireless remote control communication signal.
10. The shelter system according to any one of claims 1 to 8, wherein the number of front support rams and rear support rams is at least four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855369.5U CN210977547U (en) | 2019-10-30 | 2019-10-30 | Triangular area shield system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855369.5U CN210977547U (en) | 2019-10-30 | 2019-10-30 | Triangular area shield system |
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| Publication Number | Publication Date |
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| CN210977547U true CN210977547U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921855369.5U Active CN210977547U (en) | 2019-10-30 | 2019-10-30 | Triangular area shield system |
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| CN (1) | CN210977547U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653524A (en) * | 2021-09-22 | 2021-11-16 | 中国煤炭科工集团太原研究院有限公司 | Broken roof is synthesized and is adopted face hydraulic support withdrawal triangular space temporary support device |
| CN114382518A (en) * | 2021-11-30 | 2022-04-22 | 陕西泰盛能源工程有限公司 | Withdrawal working face triangular space support bracket |
-
2019
- 2019-10-30 CN CN201921855369.5U patent/CN210977547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653524A (en) * | 2021-09-22 | 2021-11-16 | 中国煤炭科工集团太原研究院有限公司 | Broken roof is synthesized and is adopted face hydraulic support withdrawal triangular space temporary support device |
| CN114382518A (en) * | 2021-11-30 | 2022-04-22 | 陕西泰盛能源工程有限公司 | Withdrawal working face triangular space support bracket |
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