CN213063600U - Auxiliary supporting device for coal mine roadway excavation - Google Patents
Auxiliary supporting device for coal mine roadway excavation Download PDFInfo
- Publication number
- CN213063600U CN213063600U CN202021901467.0U CN202021901467U CN213063600U CN 213063600 U CN213063600 U CN 213063600U CN 202021901467 U CN202021901467 U CN 202021901467U CN 213063600 U CN213063600 U CN 213063600U
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- Prior art keywords
- fagging
- supporting plate
- concrete
- coal mine
- support device
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Abstract
The utility model discloses a colliery tunnel tunnelling auxiliary support device, including first fagging and second fagging, the relative one end swing joint of first fagging and second fagging, the other end of first fagging and second fagging all is equipped with the connecting piece, the bottom surface of first fagging and second fagging just is close to connecting piece department and is equipped with hydraulic pressure vaulting pole subassembly. The utility model discloses in, after accomplishing the tunnel excavation, can accomplish preliminary supporting through first fagging and second fagging under the effect of hydraulic pressure vaulting pole subassembly, guarantee artifical support personnel's safety work, later can be connected grouting equipment and grout mouth, grout operation, the concrete can spill over through the overflow hole, be full of the clearance between first fagging and second fagging and the tunnel roof, and after the concrete solidifies, make concrete and tunnel constitute integratively, first fagging and second fagging have not only improved the structural strength of concrete simultaneously with the concrete combined action, improve supporting construction's adult intensity.
Description
Technical Field
The utility model relates to a supporting device field specifically is a colliery tunnelling auxiliary supporting device.
Background
In the coal mining process, a roadway needs to be developed, the roadway serves a whole mine, however, no matter which roadway is used, the roadway needs to be supported in the actual tunneling process, the existing roadway tunneling is generally performed by a tunneling machine, the supporting is performed manually, and due to the fact that the structure of a supporting device is complex, the construction period of manual supporting is long, and the supporting structure cannot be well attached to the roadway.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a colliery tunnel tunnelling auxiliary supporting device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a colliery tunnel tunnelling auxiliary supporting device, includes first fagging and second fagging, the relative one end swing joint of first fagging and second fagging, the other end of first fagging and second fagging all is equipped with the connecting piece, the bottom surface of first fagging and second fagging just is close to connecting piece department and is equipped with hydraulic pressure vaulting pole subassembly, first fagging and second fagging are hollow structure, and the top surface of first fagging and second fagging corresponds hollow structure department and evenly is equipped with a plurality of overflow hole, the bottom surface of first fagging and second fagging just is close to swing joint department and is equipped with the grout mouth.
Furthermore, the middle parts of the bottom surfaces of the first supporting plate and the second supporting plate are connected through a push rod, and a hydraulic cylinder is arranged on the push rod.
Furthermore, the top surfaces of the first supporting plate and the second supporting plate are provided with sealing strips close to the connecting piece.
Further, first fagging and second fagging are convex structure, and first fagging and second fagging are the steel material.
Furthermore, the hydraulic support rod assembly comprises a rod body and a jack, and the rod body is located at the top end of the jack.
Further, the first supporting plate and the second supporting plate are connected through fixing pins.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, after accomplishing the tunnel excavation, can accomplish preliminary supporting through first fagging and second fagging under the effect of hydraulic pressure vaulting pole subassembly, guarantee artifical support personnel's safety work, later can be connected grouting equipment and grout mouth, grout operation, the concrete can spill over through the overflow hole, be full of the clearance between first fagging and second fagging and the tunnel roof, and after the concrete solidifies, make concrete and tunnel constitute integratively, first fagging and second fagging have not only improved the structural strength of concrete simultaneously with the concrete combined action, improve supporting construction's adult intensity.
Drawings
FIG. 1 is a schematic structural view of an auxiliary supporting device for coal mine roadway excavation;
FIG. 2 is a top view of an auxiliary support device for coal mine roadway excavation;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
In the figure: 1. a first supporting plate; 2. a second supporting plate; 3. a connecting member; 4. a hydraulic strut assembly; 41. a rod body; 42. a jack; 5. an overflow aperture; 6. grouting ports; 7. a top rod; 8. a hydraulic cylinder; 9. a sealing strip; 10. and fixing the pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model provides a colliery tunnel tunnelling auxiliary support device, including first fagging 1 and second fagging 2, the relative one end swing joint of first fagging 1 and second fagging 2, the other end of first fagging 1 and second fagging 2 all is equipped with connecting piece 3, the bottom surface of first fagging 1 and second fagging 2 just is close to connecting piece 3 department and is equipped with hydraulic pressure vaulting pole subassembly 4, first fagging 1 and second fagging 2 are hollow structure, and the top surface of first fagging 1 and second fagging 2 corresponds hollow structure department and evenly is equipped with a plurality of overflow hole 5, the bottom surface of first fagging 1 and second fagging 2 just is close to swing joint department and is equipped with grout mouth 6.
In this scheme, after accomplishing the tunnel excavation, can accomplish preliminary supporting through first fagging 1 and second fagging 2 under hydraulic pressure vaulting pole subassembly 4's effect, guarantee artifical support personnel's safety work, later can be connected grouting equipment and grout mouth 6, grout the operation, the concrete can spill over through overflow hole 5, it is full of the clearance between first fagging 1 and second fagging 2 and the tunnel roof, and after the concrete solidifies, make concrete and tunnel constitute integratively, first fagging 1 and second fagging 2 have not only improved the structural strength of concrete simultaneously with the concrete combined action, improve supporting construction's adult intensity.
Wherein, connect through ejector pin 7 between the bottom surface middle part of first fagging 1 and second fagging 2, and be equipped with pneumatic cylinder 8 on the ejector pin 7, through the cooperation of pneumatic cylinder 8 with ejector pin 7 for closely laminate between the roof in first fagging 1 and second fagging 2 and tunnel.
The top surface of first fagging 1 and second fagging 2 just is close to 3 departments of connecting piece and is equipped with sealing strip 9, and sealing strip 9 can adopt to have elastic rubber material for can prevent the concrete when sealing strip 9 can laminate with the tunnel wall and spill over.
First fagging 1 and second fagging 2 are convex structure, and first fagging 1 and second fagging 2 are steel, constitute that domes have stronger bearing capacity, and the resistance to compression effect is better, and steel plays similar steel reinforcement frame's effect.
Hydraulic pressure vaulting pole subassembly 4 includes the body of rod 41 and jack 42, and the body of rod 41 is located jack 42's top, through jack 42 with the body of rod 41, first fagging 1 and the jack-up of second fagging 2 for the top surface and the roof laminating of first fagging 1 and second fagging 2.
First fagging 1 and second fagging 2 are connected through fixed pin 10 round pin, and connection structure is simple, and first fagging 1 and second fagging 2 can open and shut through fixed pin 10, and the installation and the transportation of first fagging 1 and second fagging 2 of being convenient for also reduce the setting of middle support post for tunnel inner space is bigger more succinct.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a colliery tunnel tunnelling auxiliary support device, includes first fagging (1) and second fagging (2), its characterized in that: first fagging (1) and the relative one end swing joint of second fagging (2), the other end of first fagging (1) and second fagging (2) all is equipped with connecting piece (3), the bottom surface of first fagging (1) and second fagging (2) just is close to connecting piece (3) department and is equipped with hydraulic pressure vaulting pole subassembly (4), first fagging (1) and second fagging (2) are hollow structure, and the top surface of first fagging (1) and second fagging (2) corresponds hollow structure department and evenly is equipped with a plurality of overflow hole (5), the bottom surface of first fagging (1) and second fagging (2) just is close to the swing joint department and is equipped with grout mouth (6).
2. The auxiliary support device for coal mine roadway excavation according to claim 1, characterized in that: the middle parts of the bottom surfaces of the first supporting plate (1) and the second supporting plate (2) are connected through a push rod (7), and a hydraulic cylinder (8) is arranged on the push rod (7).
3. The auxiliary support device for coal mine roadway excavation according to claim 2, characterized in that: and sealing strips (9) are arranged on the top surfaces of the first supporting plate (1) and the second supporting plate (2) and close to the connecting piece (3).
4. The auxiliary support device for coal mine roadway excavation according to claim 3, characterized in that: the first supporting plate (1) and the second supporting plate (2) are of circular arc structures, and the first supporting plate (1) and the second supporting plate (2) are made of steel.
5. The auxiliary support device for coal mine roadway excavation according to claim 1, characterized in that: the hydraulic support rod assembly (4) comprises a rod body (41) and a jack (42), wherein the rod body (41) is located at the top end of the jack (42).
6. The auxiliary support device for coal mine roadway excavation according to claim 1, characterized in that: the first supporting plate (1) and the second supporting plate (2) are connected through a fixing pin (10) in a pin joint mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021901467.0U CN213063600U (en) | 2020-09-03 | 2020-09-03 | Auxiliary supporting device for coal mine roadway excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021901467.0U CN213063600U (en) | 2020-09-03 | 2020-09-03 | Auxiliary supporting device for coal mine roadway excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213063600U true CN213063600U (en) | 2021-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021901467.0U Expired - Fee Related CN213063600U (en) | 2020-09-03 | 2020-09-03 | Auxiliary supporting device for coal mine roadway excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213063600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914901A (en) * | 2021-11-11 | 2022-01-11 | 中国铁建大桥工程局集团有限公司 | Tunnel supporting structure |
-
2020
- 2020-09-03 CN CN202021901467.0U patent/CN213063600U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914901A (en) * | 2021-11-11 | 2022-01-11 | 中国铁建大桥工程局集团有限公司 | Tunnel supporting structure |
| CN113914901B (en) * | 2021-11-11 | 2024-04-09 | 中国铁建大桥工程局集团有限公司 | Tunnel supporting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 Termination date: 20210903 |