CN110145342B - Tunnel supporting device with high stability - Google Patents
Tunnel supporting device with high stability Download PDFInfo
- Publication number
- CN110145342B CN110145342B CN201910492830.3A CN201910492830A CN110145342B CN 110145342 B CN110145342 B CN 110145342B CN 201910492830 A CN201910492830 A CN 201910492830A CN 110145342 B CN110145342 B CN 110145342B
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- China
- Prior art keywords
- support
- tunnel
- arc
- arched
- plate
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 34
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000035939 shock Effects 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/30—Bases for lower arch members
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the technical field of supporting equipment, in particular to a tunnel supporting device with high stability, which comprises a first arched bracket, a second arched bracket and a door-shaped supporting frame, wherein the first arched bracket is arranged on the first arched bracket; first arch support, second arch support and door shape support are all installed on the mounting panel, and first arch support, second arch support and door shape support set gradually from the outside to the inside, first arch support includes the arc frame plate of a plurality of mutual butts, and the inboard of arc frame plate is provided with the activity chamber that is used for the elastic plate to slide and places, and the both ends of an elastic plate are located two adjacent arc frame plate inboard activity intracavity, and two elastic plates in an activity intracavity pass through spring coupling. The first arched support is arranged in a split mode and movably connected through the elastic plate, when the side wall of the tunnel is not completely arc-shaped, the arc-shaped frame plates can be adjusted relatively, the arc-shaped frame plates are completely attached to the wall of the tunnel through the elastic plate, supporting firmness is improved, and reliability is high.
Description
Technical Field
The invention relates to the technical field of supporting equipment, in particular to a tunnel supporting device with high stability.
Background
The tunnel is an engineering building buried in the stratum and is a form of utilizing underground space by human beings, the tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel and a mine tunnel, the structure of the tunnel comprises a main building and auxiliary equipment, the main building comprises a tunnel body and a tunnel door, the auxiliary equipment comprises a car-avoiding hole, fire-fighting equipment, emergency communication and water-proof and drainage equipment, the long tunnel is also provided with special ventilation and lighting equipment, excavation disturbance of the tunnel can cause larger surrounding rock deformation, if support measures are not in place, the surrounding rock deformation can exceed the allowable range, the tunnel collapse can be caused in serious conditions, and great economic loss is caused.
The existing supporting device is designed for supporting the tunnel, but the outermost side of the existing supporting device is supported by the arch frame of the integral structure, and in the actual use process, the inner wall of the tunnel is unlikely to be completely arc-shaped, so that the arch frame cannot be attached to the inner wall of the tunnel in all directions, and poor supporting stability is caused.
Disclosure of Invention
The invention aims to provide a tunnel supporting device with high stability so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a tunnel supporting device with high stability comprises a first arched bracket, a second arched bracket and a door-shaped supporting frame; first arch support, second arch support and door shape support are all installed on the mounting panel, and first arch support, second arch support and door shape support set gradually from the outside to the inside, first arch support includes the arc frame plate of a plurality of mutual butts, and the inboard of arc frame plate is provided with the activity chamber that is used for the elastic plate to slide and places, and the both ends of an elastic plate are located two adjacent arc frame plate inboard activity intracavity, and two elastic plates in an activity intracavity pass through spring coupling.
As a further scheme of the invention: one of the arc-shaped frame plates is hinged with the second arch support through two first hydraulic jacks, and the two first hydraulic jacks and one of the arc-shaped frame plates form a triangle.
As a still further scheme of the invention: the door-shaped support frame is fixedly connected with the second arched support through a plurality of support rods.
As a still further scheme of the invention: and reinforcing ribs are fixedly arranged at the upper corners of the inner sides of the door-shaped supporting frames.
As a still further scheme of the invention: the lower extreme of mounting panel is connected with the bottom plate through a plurality of damper assembly, and the below of bottom plate is installed at least one ground stake.
As a still further scheme of the invention: the shock absorption assembly comprises a telescopic rod and an elastic piece sleeved on the outer side of the movable end of the telescopic rod, and the two ends of the elastic piece are respectively abutted to the lower end of the mounting plate and the fixed end of the telescopic rod.
As a still further scheme of the invention: the inner side of the second arched bracket is hinged with the outer side of the door-shaped support frame through a second hydraulic jack hinged with the second arched bracket.
Compared with the prior art, the invention has the beneficial effects that: the first arched support is arranged in a split mode and movably connected through the elastic plate, when the side wall of the tunnel is not completely arc-shaped, the arc-shaped frame plates can be adjusted relatively, the arc-shaped frame plates are completely attached to the wall of the tunnel through the elastic plate, supporting firmness is improved, and reliability is high.
Drawings
Fig. 1 is a schematic structural view of a tunnel supporting device with high stability in a first embodiment.
Fig. 2 is a schematic structural view of a tunnel supporting device with high stability in the second embodiment.
Figure 3 is a cross-sectional view of a first arched bracket in a high stability tunnel bracing apparatus.
Fig. 4 is an enlarged view of a structure at a in fig. 1.
Fig. 5 is an enlarged view of the structure at B in fig. 3.
In the figure: 1-a first arch support, 101-an arc frame plate, 102-an elastic plate, 103-a movable cavity, 104-a spring, 2-a first hydraulic jack, 3-a second arch support, 4-a portal support, 5-a support rod, 6-a reinforcing rib, 7-a mounting plate, 8-a bottom plate, 9-a ground pile, 10-a shock absorption component and 11-a second hydraulic jack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, 3, 4 and 5, in an embodiment of the present invention, a high-stability tunnel supporting apparatus includes a first arched bracket 1, a second arched bracket 3 and a portal-shaped supporting bracket 4; first arched support 1, second arched support 3 and door shape support 4 all install on mounting panel 7, and first arched support 1, second arched support 3 and door shape support 4 set gradually from outside to inside, first arched support 1 includes the arc frame plate 101 of a plurality of mutual butts, and the inboard of arc frame plate 101 is provided with the activity chamber 103 that is used for elastic plate 102 to slide and places, and the both ends of an elastic plate 102 are located the inboard activity chamber 103 of two adjacent arc frame plates 101, and two elastic plates 102 in the activity chamber 103 pass through spring 104 and connect, thereby realize when the lateral wall in tunnel is not the arc completely, arc frame plate 101 can be adjusted relatively, cooperation elastic plate 102 realizes that arc frame plate 101 and tunnel wall laminate completely, increase the fastness of strutting, and the reliability is strong.
Particularly, one arc frame plate 101 is articulated with second arched bracket 3 through two first hydraulic jack 2, and two first hydraulic jack 2 and an arc frame plate 101 constitute a similar triangle-shaped, can effectively increase the stability of arc frame plate 101 in strutting the in-process.
Still further, door-shaped support frame 4 is through many spinal branch vaulting poles 5 and second arched bracket 3 fixed connection for play effectual supporting role to second arched bracket 3, preferably, corner fixed mounting has strengthening rib 6 on the inboard of door-shaped support frame 4, and strengthening rib 6 can effectively increase door-shaped support frame 4's stability, and the design is carried out to this place adoption triangle-shaped high principle of stability.
In order to increase the anti-seismic effect of the invention in the actual use process, the lower end of the mounting plate 7 is connected with the bottom plate 8 through a plurality of shock absorption assemblies 10, and at least one ground pile 9 is arranged below the bottom plate 8, wherein the ground pile 9 increases the stability of the invention.
The shock absorption assembly 10 comprises a telescopic rod and an elastic piece sleeved on the outer side of the movable end of the telescopic rod, and two ends of the elastic piece are respectively abutted to the lower end of the mounting plate 7 and the fixed end of the telescopic rod.
Example two
Referring to fig. 2, in order to further improve the supporting effect of the second arched support 3, the present invention further provides another embodiment to complete the present application, specifically, the inner side of the second arched support 3 is hinged to the outer side of the door-shaped support frame 4 through a second hydraulic jack 11 hinged thereto, the second arched support 3 can be adjusted in supporting force according to actual conditions through the second hydraulic jack 11, and the practicability is strong.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A tunnel supporting device with high stability comprises a first arched bracket (1), a second arched bracket (3) and a door-shaped supporting frame (4); first arched support (1), second arched support (3) and door shape support (4) are all installed on mounting panel (7), and first arched support (1), second arched support (3) and door shape support (4) set gradually from outside to inside, its characterized in that, first arched support (1) is provided with movable chamber (103) that are used for elastic plate (102) to slide and place including arc frame plate (101) of a plurality of mutual butts, arc frame plate (101) inboard, and the both ends of an elastic plate (102) are located two adjacent arc frame plate (101) inboard movable chamber (103), and two elastic plates (102) in an activity chamber (103) are connected through spring (104).
2. A tunnel bracing device with high stability according to claim 1, wherein one of the arc-shaped frame plates (101) is hinged to the second arch support (3) by two first hydraulic jacks (2), and the two first hydraulic jacks (2) and one of the arc-shaped frame plates (101) form a triangle.
3. A high stability tunnel supporting device according to claim 1, characterized in that the portal-shaped supporting frame (4) is fixedly connected to the second arch-shaped supporting frame (3) by means of a plurality of supporting rods (5).
4. A high stability tunnel supporting device according to claim 3, wherein the door-shaped supporting frame (4) is fixedly provided with a reinforcing rib (6) at the upper corner of the inner side.
5. A high stability tunnel supporting apparatus according to claim 1, wherein the lower end of the mounting plate (7) is connected to the base plate (8) by a plurality of shock absorbing members (10), and at least one ground pile (9) is installed below the base plate (8).
6. The high-stability tunnel supporting device according to claim 5, wherein the shock absorption assembly (10) comprises a telescopic rod and an elastic member sleeved outside the movable end of the telescopic rod, and two ends of the elastic member are respectively abutted against the lower end of the mounting plate (7) and the fixed end of the telescopic rod.
7. A tunnel support device with high stability as claimed in claim 1, characterized in that the inner side of the second arch-shaped support (3) is hinged to the outer side of the portal support (4) by means of a second hydraulic jack (11) hinged thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910492830.3A CN110145342B (en) | 2019-06-06 | 2019-06-06 | Tunnel supporting device with high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910492830.3A CN110145342B (en) | 2019-06-06 | 2019-06-06 | Tunnel supporting device with high stability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110145342A CN110145342A (en) | 2019-08-20 |
| CN110145342B true CN110145342B (en) | 2020-09-29 |
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ID=67590896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910492830.3A Expired - Fee Related CN110145342B (en) | 2019-06-06 | 2019-06-06 | Tunnel supporting device with high stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110145342B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042839B (en) * | 2019-12-18 | 2021-03-16 | 江苏采元科技有限公司 | Anti-seismic support and construction method thereof |
| CN111088985B (en) * | 2020-01-13 | 2021-04-06 | 河南工程学院 | Roadway supporting device for coal mine underground operation |
| CN114075989B (en) * | 2020-08-17 | 2024-03-26 | 李信斌 | Supporting equipment |
| CN111911205A (en) * | 2020-09-18 | 2020-11-10 | 辽宁工程技术大学 | Coal mining roadway supporting device with damping and buffering effects |
| CN113482669B (en) * | 2021-08-10 | 2024-01-16 | 吴月晨 | Urban underground space engineering excavation supporting device |
| CN113482667A (en) * | 2021-08-19 | 2021-10-08 | 重庆交通大学 | Tunnel steel frame connecting device adapting to two-way deformation |
| CN115405338B (en) * | 2022-09-22 | 2023-05-09 | 中铁十四局集团隧道工程有限公司 | Subway construction top strutting arrangement |
| CN117248951B (en) * | 2023-11-17 | 2024-02-13 | 安徽省交通控股集团有限公司 | Tunnel excavation supporting structure and application method thereof |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2131038C1 (en) * | 1998-01-14 | 1999-05-27 | Сидоренко Николай Викторович | Spring lock of yielding support of mine workings |
| KR20120064915A (en) * | 2010-12-10 | 2012-06-20 | 하철용 | Tunnel support lattice girder and manufacturing method thereof |
| PL399252A1 (en) * | 2012-05-21 | 2013-11-25 | Koza Zdzislaw Zaklady Metalowe Kozamex Zaklad Pracy Chronionej | Susceptible pavement housing doorposts |
| CN205840893U (en) * | 2016-07-06 | 2016-12-28 | 安徽理工大学 | A kind of tunnel support U shape steel bracket of improvement |
| CN206267859U (en) * | 2016-12-23 | 2017-06-20 | 陈金印 | A kind of support of tunnel structure |
| CN207080238U (en) * | 2017-09-01 | 2018-03-09 | 河南国龙矿业建设有限公司 | A kind of U-shaped steel canopy support |
| CN207795273U (en) * | 2017-12-06 | 2018-08-31 | 沈阳建筑大学 | Adjustable tension tunnel reinforcement steel ring |
| CN208168896U (en) * | 2018-03-28 | 2018-11-30 | 重庆工程职业技术学院 | A kind of mining site collapse support device with safety instruction effect |
| CN208534490U (en) * | 2018-04-04 | 2019-02-22 | 吉林市市政建设集团有限公司 | It is a kind of multi-functional for swelled ground support of tunnel device |
| CN208380607U (en) * | 2018-04-23 | 2019-01-15 | 中国水利水电第四工程局有限公司 | A kind of tunnel excavation support column |
| CN109057821B (en) * | 2018-09-28 | 2019-11-15 | 浙江八达隧道工程股份有限公司 | Highway soft rock tunnel bilayer arch supporting construction system and its construction method |
| CN109098736A (en) * | 2018-10-10 | 2018-12-28 | 贵州大学 | A kind of tunnel support device that stability is high |
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2019
- 2019-06-06 CN CN201910492830.3A patent/CN110145342B/en not_active Expired - Fee Related
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| CN110145342A (en) | 2019-08-20 |
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Granted publication date: 20200929 |
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