CN211448721U - Tunnel excavation supporting device - Google Patents
Tunnel excavation supporting device Download PDFInfo
- Publication number
- CN211448721U CN211448721U CN201921895712.9U CN201921895712U CN211448721U CN 211448721 U CN211448721 U CN 211448721U CN 201921895712 U CN201921895712 U CN 201921895712U CN 211448721 U CN211448721 U CN 211448721U
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- CN
- China
- Prior art keywords
- fixedly connected
- tunnel excavation
- telescopic rod
- telescopic link
- arc
- 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
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a tunnel excavation supporting device, the on-line screen storage device comprises a fixed base, the first telescopic link of unable adjustment base top fixedly connected with, first telescopic link top fixedly connected with support frame, support frame top fixedly connected with arc frame, arc frame top fixedly connected with second telescopic link, second telescopic link top fixedly connected with roof, unable adjustment base includes the fixing base, the fixing base bottom has been seted up and has been accomodate the groove, accomodate tank bottom fixedly connected with elevating platform, elevating platform bottom fixedly connected with mount pad, the mount pad bottom is connected with the gyro wheel through the leg rotation, hydraulic telescoping rod is chooseed for use to make for first telescopic link, the second telescopic link is chooseed for use mechanical jack and is made, the utility model relates to a tunnel excavation technical field. This tunnel excavation supporting device, adaptable different tunnel environment, the adaptability is higher, uses safelyr to convenient removal and fixed.
Description
Technical Field
The utility model relates to a tunnel excavation technical field specifically is a tunnel excavation supporting device.
Background
Tunnel excavation refers to the engineering of loosening, crushing, excavating and transporting muck soil or rock when a tunnel is constructed, and is widely applied to the construction of water diversion, water drainage, flow guidance, traffic and other tunnels in hydraulic engineering, the tunnel construction has the characteristics of narrow working face, poor working conditions, multiple processes, large interference and the like, particularly safety accidents easily occur, geological exploration work must be done in advance, the positions of a cave mouth, a branch hole, muck transportation routes and a tunnel excavation method must be reasonably selected, the tunnel excavation mainly comprises auxiliary operations of tunneling, muck, safety support, wind, water and electricity supply, ventilation, water drainage and the like, a drilling blasting method is mostly applied in rock stratums, the tunnel excavation also accounts for a certain proportion in many countries along with the development of tunnel boring machines from the 20 th century and the 50 th generation, and in soil stratums, except for manual main excavation, the construction can also be carried out by adopting a shield method or a pipe jacking method. The supporting device used in the existing tunnel excavation is poor in adjustability, the basic form of the supporting device is determined, the matching degree with the actual environment of the tunnel is not high, the supporting device cannot move automatically, and the use is not convenient.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a tunnel excavation supporting device has solved the supporting device that uses in the present tunnel excavation generally the regulation nature relatively poor, and supporting device's basic form is definite, and is not high with the actual environment matching degree in tunnel to supporting device can't independently remove, uses not very convenient problem.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a tunnel excavation supporting device comprises a fixed base, wherein a first telescopic rod is fixedly connected to the top of the fixed base, a supporting frame is fixedly connected to the top of the first telescopic rod, an arc-shaped frame is fixedly connected to the top of the supporting frame, a second telescopic rod is fixedly connected to the top of the arc-shaped frame, and a top plate is fixedly connected to the top of the second telescopic rod;
the fixing base comprises a fixing base, the bottom of the fixing base is provided with a containing groove, the bottom of the containing groove is fixedly connected with a lifting platform, the bottom of the lifting platform is fixedly connected with a mounting seat, and the bottom of the mounting seat is connected with a roller through support rotation.
Preferably, the first telescopic rod is made of a hydraulic telescopic rod, and the second telescopic rod is made of a mechanical jack.
Preferably, the second telescopic link is provided with a plurality of and evenly distributed at arc frame top, all through connecting chain interconnect between each roof on the second telescopic link.
Preferably, both ends of the connecting chain penetrate through the top plate through bolts and are fixedly connected to the top plate.
Preferably, the top plate is an arc-shaped top plate with the radian identical to that of the arc-shaped frame.
Preferably, the mounting seat is a cuboid mounting seat which is longitudinally arranged.
(III) advantageous effects
The utility model provides a tunnel excavation supporting device. The method has the following beneficial effects:
(1) this tunnel excavation supporting device, through the first telescopic link of unable adjustment base top fixedly connected with, first telescopic link top fixedly connected with support frame, support frame top fixedly connected with arc frame, arc frame top fixedly connected with second telescopic link, second telescopic link top fixedly connected with roof, the second telescopic link is provided with a plurality of and evenly distributed at arc frame top, each all through connecting chain interconnect between the roof on the second telescopic link, can adjust the length of first telescopic link and each second telescopic link respectively during the use according to the actual environment in tunnel, the tunnel of adaptable co-altitude and different inner wall circumstances to the connecting chain can prevent that the bold from falling object from appearing at the tunnel top between the roof, uses safelyr.
(2) This tunnel excavation supporting device includes the fixing base through unable adjustment base, the groove of accomodating has been seted up to the fixing base bottom, the fixedly connected with elevating platform of accommodation tank bottom, elevating platform bottom fixedly connected with mount pad, the mount pad bottom is connected with the gyro wheel through the leg joint, uses durable back accessible elevating platform to release mount pad and gyro wheel from accomodating the inslot portion, supports supporting device, has reached convenient removal and fixed purpose.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the fixing base of the present invention;
fig. 3 is a schematic view of the bottom structure of the fixing base of the present invention.
In the figure: the device comprises a fixed base 1, a first telescopic rod 2, a supporting frame 3, an arc-shaped frame 4, a second telescopic rod 5, a top plate 6, a connecting chain 7, a fixed seat 11, a storage groove 12, a lifting platform 13, a mounting seat 14 and a roller 15.
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: a tunnel excavation supporting device comprises a fixed base 1, wherein a first telescopic rod 2 is fixedly connected to the top of the fixed base 1, a supporting frame 3 is fixedly connected to the top of the first telescopic rod 2, an arc-shaped frame 4 is fixedly connected to the top of the supporting frame 3, a second telescopic rod 5 is fixedly connected to the top of the arc-shaped frame 4, and a top plate 6 is fixedly connected to the top of the second telescopic rod 5, so that the top of a tunnel is conveniently supported;
The first telescopic rod 2 is made of a hydraulic telescopic rod, and the second telescopic rod 5 is made of a mechanical jack.
Second telescopic link 5 is provided with a plurality of and evenly distributed at 4 tops of arc frame, and the position at adjustable supporting device top conveniently adapts to the actual conditions in different tunnels, all through connecting chain 7 interconnect between the roof 6 on each second telescopic link 5, can strut the tunnel inner wall between the roof.
Both ends of the connecting chain 7 are penetrated through and fixedly connected on the top plate 6 through bolts.
The top plate 6 is an arc top plate with the radian same as that of the arc frame 4.
The mounting seat 14 is a rectangular parallelepiped mounting seat arranged longitudinally.
During the use, open elevating platform 13, elevating platform 13 extension promotes mount pad 14 to accomodating groove 12 external motion, drive gyro wheel 15 when mount pad 14 and stretch out accomodating groove 12 and prop up regulation base 1 and close elevating platform 13, remove strutting arrangement to the place that needs to strut through gyro wheel 15, open elevating platform 13, elevating platform 13 shortens and drives mount pad 14 and gyro wheel 15 shrink to accomodating inside the groove 12, close elevating platform 13 when fixing base 11 contacts with ground, open first telescopic link 2, first telescopic link 2 extension drives support frame 3 and arc frame 4 upward movement, arc frame 4 drives second telescopic link 5 and roof 6 upward movement, close first telescopic link 2 when roof 6 moves to suitable position, adjust the length of each second telescopic link 5 respectively, until each roof 6 all with tunnel inner wall top tightly laminate can.
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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
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.
Claims (6)
1. The utility model provides a tunnel excavation supporting device, includes unable adjustment base (1), its characterized in that: the top of the fixed base (1) is fixedly connected with a first telescopic rod (2), the top of the first telescopic rod (2) is fixedly connected with a support frame (3), the top of the support frame (3) is fixedly connected with an arc-shaped frame (4), the top of the arc-shaped frame (4) is fixedly connected with a second telescopic rod (5), and the top of the second telescopic rod (5) is fixedly connected with a top plate (6);
unable adjustment base (1) includes fixing base (11), storage groove (12) have been seted up to fixing base (11) bottom, storage groove (12) bottom fixedly connected with elevating platform (13), elevating platform (13) bottom fixedly connected with mount pad (14), mount pad (14) bottom is connected with gyro wheel (15) through the support rotation.
2. A tunnel excavation support apparatus according to claim 1, wherein: the first telescopic rod (2) is made of a hydraulic telescopic rod, and the second telescopic rod (5) is made of a mechanical jack.
3. A tunnel excavation support apparatus according to claim 1, wherein: the second telescopic rod (5) is provided with a plurality of plates which are evenly distributed at the top of the arc-shaped frame (4), and the top plates (6) on the second telescopic rod (5) are connected with each other through connecting chains (7).
4. A tunnel excavation support apparatus according to claim 3, wherein: and two ends of the connecting chain (7) are penetrated through by bolts and fixedly connected to the top plate (6).
5. A tunnel excavation support apparatus according to claim 1, wherein: the top plates (6) are arc-shaped top plates with the radian identical to that of the arc-shaped frame (4).
6. A tunnel excavation support apparatus according to claim 1, wherein: the mounting seat (14) is a cuboid mounting seat which is longitudinally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921895712.9U CN211448721U (en) | 2019-11-05 | 2019-11-05 | Tunnel excavation supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921895712.9U CN211448721U (en) | 2019-11-05 | 2019-11-05 | Tunnel excavation supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211448721U true CN211448721U (en) | 2020-09-08 |
Family
ID=72298581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921895712.9U Expired - Fee Related CN211448721U (en) | 2019-11-05 | 2019-11-05 | Tunnel excavation supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211448721U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653518A (en) * | 2021-09-29 | 2021-11-16 | 中建市政工程有限公司 | Tunnel construction protector |
| CN114320390A (en) * | 2022-01-20 | 2022-04-12 | 山西路桥第八工程有限公司 | Highway tunnel engineering is with preventing square device that collapses |
-
2019
- 2019-11-05 CN CN201921895712.9U patent/CN211448721U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653518A (en) * | 2021-09-29 | 2021-11-16 | 中建市政工程有限公司 | Tunnel construction protector |
| CN114320390A (en) * | 2022-01-20 | 2022-04-12 | 山西路桥第八工程有限公司 | Highway tunnel engineering is with preventing square device that collapses |
| CN114320390B (en) * | 2022-01-20 | 2023-06-16 | 山西路桥第八工程有限公司 | Collapse prevention device for expressway tunnel engineering |
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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: 20200908 Termination date: 20211105 |