CN110486056A - The buckle-type attachment device and its installation method of steel arch-shelf segment suitable for tunnel - Google Patents
The buckle-type attachment device and its installation method of steel arch-shelf segment suitable for tunnel Download PDFInfo
- Publication number
- CN110486056A CN110486056A CN201910715117.0A CN201910715117A CN110486056A CN 110486056 A CN110486056 A CN 110486056A CN 201910715117 A CN201910715117 A CN 201910715117A CN 110486056 A CN110486056 A CN 110486056A
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- China
- Prior art keywords
- steel
- shelf
- arch
- steel arch
- buckle
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 123
- 239000010959 steel Substances 0.000 title claims abstract description 123
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 title claims abstract description 10
- 238000009412 basement excavation Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D11/24—Knuckle joints or links between arch members
Abstract
A kind of buckle-type attachment device of the steel arch-shelf segment suitable for tunnel, the steel arch-shelf is divided into n sections of steel arches, wherein, n is the positive integer not less than 2, in the n section steel arch, adjacent two sections of steel arches are hinged by a hinge-type chain, and the hinge-type chain hinge includes the two pieces of junction steel plates for being located at a chain hinged shaft of end and connecting the chain hinged shaft and can rotating around it respectively, and two pieces of junction steel plates are also separately fixed at the end face of two sections of adjacent steel arches；Buckle-type connects between two pieces of junction steel plates.And provide a kind of installation method of the buckle-type attachment device of steel arch-shelf segment suitable for tunnel.Safety of the present invention is higher and working efficiency is higher.
Description
Technical field
The present invention relates to underground engineering construction fields, more particularly, to a kind of buckle of steel arch-shelf segment suitable for tunnel
Formula attachment device and its installation method.
Background technique
Tunnel tunnel in bad country rock, steel arch-shelf be one of essential support unit, especially profile steel frame such as
Installation rationally, in time, can play its supporting effect immediately, this is for ensureing construction safety and control stratum deformation all to Guan Chong
It wants, this is that other support units are incomparable.
Under conventional method, after each round tunnel excavation, it is complete close to excavation face to be typically necessary worker
At the positioning of steel arch, it is subsequently mounted arch bridge and fixed arch springing.Steel arch-shelf is divided into several segments by this erection method, by manual segmentation
Installation is set up, is then connected with, working security is poor, speed is slow, it is long to occupy cycle time for working, and set up quality
There are also problems.
It is newest also to have the semi-automatic installation method being connected by screw bolts, although this method improves now to a certain extent
Shape, but twist bolt efficiency be not it is too high, have certain risk, and be not easy to disassembly and detection.
Summary of the invention
In order to overcome the safety of existing steel arch positioning method lower and the lower deficiency of working efficiency, the present invention is provided
A kind of safety is higher and the buckle-type attachment device and its peace of the working efficiency higher steel arch-shelf segment suitable for tunnel
Dress method.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of buckle-type attachment device of the steel arch-shelf segment suitable for tunnel, the steel arch-shelf are divided into n sections of steel arches,
In, n is the positive integer not less than 2, which is characterized in that in the n section steel arch, adjacent two sections of steel arches pass through a hinge-type
Chain is hinged, and the hinge-type chain hinge includes the chain hinged shaft and the connection chain hinged shaft positioned at end and can divide
The two pieces of junction steel plates not rotated around it, two pieces of junction steel plates are also separately fixed at the end face of two sections of adjacent steel arches；
Buckle-type connects between two pieces of junction steel plates.
Further, button bit is provided on one of junction steel plate, another piece of junction steel plate is equipped with buckle head, the button
Position and the buckle head fits.
Preferably, the detent and buckle head are at least two groups or more.
In the present solution, when steel arch-shelf is unfolded in place, by adjacent with the buckle structure fixation on two pieces of junction steel plates
Two sections of steel arches realize the fixation supporting of steel arch-shelf.
The chain hinged shaft of the hinge-type chain hinge is located at the inside of steel arch-shelf, and meets chain hinged shaft perpendicular to tunnel excavation face.
In this way, when using remaining core soil in advance excavation method, Core Soil can interfere steel arch-shelf when steel arch-shelf is in excavation face horizontal spreading
Expansion, therefore steel arch-shelf of the present invention is particularly suitable for general tunnel.
A kind of installation method of the buckle-type attachment device of the steel arch-shelf segment suitable for tunnel, comprising the following steps:
(1) taking multistage steel arch to be sequentially connected using hinge-type chain hinge, group is integral, and then folding is transported to arch bottom completely；
(2) top of steel arch-shelf is lifted using telescopic arm Operation Van, and the steel arch-shelf of folding is set up in design position, so
Automatic-expanding afterwards；
(3) after steel arch-shelf sets up positioning, by the arch springing of the steel arch-shelf newly set up and the steel arch-shelf that has before been fixedly mounted
Arch springing is fixed using reinforcement welding；
(4) the hinge-type chain hinge between adjacent two sections of steel arches is closed, upper and lower two blocks of steel plates are closed up completely；
(5) other positions in addition to arch springing on the steel arch-shelf newly set up are used into steel bar welding with the steel arch-shelf installed before
It picks up and.
Beneficial effects of the present invention are mainly manifested in: 1) after steel arch-shelf completion of processing can foldable integral, convenient transportation.2) pacify
It is used based on mechanical erection when dress, human assistance is located by connecting.3) a Pin steel arch-shelf can once mounting, construction efficiency is high, speed
Fastly, at low cost.
Detailed description of the invention
Fig. 1 is the structure chart of the buckle-type attachment device of the steel arch-shelf segment suitable for tunnel.
Fig. 2 is the schematic diagram of hinge-type chain hinge.
In figure, 1- steel arch, 2- chain hinge, 3- chain hinged shaft, 4- junction steel plate, 5- button bit, 6- buckle head.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Figures 1 and 2, a kind of buckle-type attachment device of the steel arch-shelf segment suitable for tunnel, the steel arch-shelf point
For n sections of steel arches 1, wherein n is the positive integer not less than 2, which is characterized in that in the n section steel arch, adjacent two sections of steel arches are logical
It crosses a hinge-type chain hinge 2 to connect, the hinge-type chain hinge 2 includes a chain hinged shaft 3 and the connection positioned at end
The chain hinged shaft and the two pieces of junction steel plates 4 that can be rotated around it respectively, two pieces of junction steel plates 4 are also separately fixed at adjacent
Two sections of steel arches 1 end face；Buckle-type connects between two pieces of junction steel plates 4.
Further, button bit 5 is provided on one of junction steel plate, another piece of junction steel plate is equipped with buckle head 6, described
Button bit 5 and the buckle head 6 cooperate.
Preferably, the button bit 5 and buckle head 6 are at least two groups or more.
In the present solution, when steel arch-shelf is unfolded in place, by adjacent with the buckle structure fixation on two pieces of junction steel plates 4
Two sections of steel arches realize the fixation supporting of steel arch-shelf.
The chain hinged shaft of the hinge-type chain hinge 2 is located at the inside of steel arch-shelf, and meets chain hinged shaft perpendicular to tunnel excavation face.
In this way, when using remaining core soil in advance excavation method, Core Soil can interfere steel arch-shelf when steel arch-shelf is in excavation face horizontal spreading
Expansion, therefore steel arch-shelf of the present invention is particularly suitable for general tunnel.
The buckle-type attachment device of the present embodiment, structure is as depicted in figs. 1 and 2, including five sections of steel arches 1, five sections of steel arches 1
In, adjacent two sections of steel arches 1 are connected by a hinge-type chain hinge 2.Hinge-type chain hinge 2 includes a chain hinged shaft 3, Yi Jilian
The chain link hinged shaft 3 and two pieces of junction steel plates 4 that can be rotated around it respectively, two pieces of junction steel plates 4 are also respectively fixedly connected with adjacent two
The end face of section steel arch 1.5 are also had on two pieces of junction steel plates 4 and are welded with；When 1 frame of steel arch is unfolded in place, by with buckle
Button bit 5 and the fixed adjacent two sections of steel arches 1 of buckle 6 structure of head, realize the fixation supporting of 1 frame of steel arch.The chain of hinge-type chain hinge 2
Hinged shaft 3 is located at the inside of 1 frame of steel arch, and meets chain hinged shaft 3 perpendicular to tunnel excavation face.
A kind of installation method of the buckle-type attachment device of the steel arch-shelf segment suitable for tunnel, comprising the following steps:
(1) taking five sections of steel arches 1 to be sequentially connected using hinge-type chain hinge 2, group is integral, and then folding is transported to arch bottom completely；
(2) top of 1 frame of steel arch is lifted using telescopic arm Operation Van, and 1 frame of the steel arch of folding is set up in design position,
Then Automatic-expanding；
(3) after 1 frame of steel arch sets up positioning, by the arch springing of 1 frame of steel arch newly set up and 1 frame of steel arch that has before been fixedly mounted
Arch springing fixed using reinforcement welding；
(4) hinge of the hinge-type chain between adjacent two sections of steel arches 12 is closed and fixed, upper and lower two blocks of steel plates are closed up completely；
(5) other positions in addition to arch springing on the steel arch-shelf newly set up are used into reinforcing bar with 1 frame of steel arch installed before
It welds.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (5)
1. a kind of buckle-type attachment device of the steel arch-shelf segment suitable for tunnel, the steel arch-shelf are divided into n sections of steel arches, wherein n
For the positive integer not less than 2, which is characterized in that in the n section steel arch, adjacent two sections of steel arches are hinged by a hinge-type chain
Pick up and, the described hinge-type chain hinge include positioned at end a chain hinged shaft and the connection chain hinged shaft and can be rotating around it
Two pieces of junction steel plates of rotation, two pieces of junction steel plates are also separately fixed at the end face of two sections of adjacent steel arches；Two pieces of companies
Buckle-type between steel plate is connect to connect.
2. being suitable for the buckle-type attachment device of the steel arch-shelf segment in tunnel as described in claim 1, which is characterized in that wherein
Button bit is provided on one piece of junction steel plate, another piece of junction steel plate is equipped with buckle head, and the button bit is matched with the buckle head
It closes.
3. being suitable for the buckle-type attachment device of the steel arch-shelf segment in tunnel as claimed in claim 2, which is characterized in that described
Detent and buckle head are at least two groups or more.
4. the buckle-type attachment device of the steel arch-shelf segment suitable for tunnel as described in one of claims 1 to 3, feature exist
In the chain hinged shaft of the hinge-type chain hinge is located at the inside of steel arch-shelf, and meets chain hinged shaft perpendicular to tunnel excavation face.
5. a kind of installation method of the buckle-type attachment device for the steel arch-shelf segment for being suitable for tunnel as described in claim 1,
It is characterized in that, the described method comprises the following steps:
(1) taking multistage steel arch to be sequentially connected using hinge-type chain hinge, group is integral, and then folding is transported to arch bottom completely；
(2) top of steel arch-shelf is lifted using telescopic arm Operation Van, and the steel arch-shelf of folding is set up in design position, then certainly
Dynamic expansion；
(3) after steel arch-shelf sets up positioning, by the arch springing of the arch springing of the steel arch-shelf newly set up and the steel arch-shelf being fixedly mounted before
It is fixed using reinforcement welding；
(4) the hinge-type chain hinge between adjacent two sections of steel arches is closed, upper and lower two blocks of steel plates are closed up completely；
(5) other positions in addition to arch springing on the steel arch-shelf newly set up are picked up with the steel arch-shelf installed before using steel bar welding
Come.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715117.0A CN110486056A (en) | 2019-08-05 | 2019-08-05 | The buckle-type attachment device and its installation method of steel arch-shelf segment suitable for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715117.0A CN110486056A (en) | 2019-08-05 | 2019-08-05 | The buckle-type attachment device and its installation method of steel arch-shelf segment suitable for tunnel |
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| Publication Number | Publication Date |
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| CN110486056A true CN110486056A (en) | 2019-11-22 |
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| CN201910715117.0A Pending CN110486056A (en) | 2019-08-05 | 2019-08-05 | The buckle-type attachment device and its installation method of steel arch-shelf segment suitable for tunnel |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201184203Y (en) * | 2007-10-17 | 2009-01-21 | 云南铁人机械制造有限公司 | U type mine path support frame |
| CN203809017U (en) * | 2014-04-30 | 2014-09-03 | 中铁十二局集团第七工程有限公司 | Connection limiting device for welding connecting plates in tunnel steel arches |
| CN106640149A (en) * | 2016-12-29 | 2017-05-10 | 中国人民解放军63926部队 | Steel arch frame suitable for semi-automatic installation of large cross-section tunnel and installation method of steel arch frame |
| CN211144522U (en) * | 2019-08-05 | 2020-07-31 | 浙江工业大学 | Snap-in connection for steel arch segments of tunnels |
-
2019
- 2019-08-05 CN CN201910715117.0A patent/CN110486056A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201184203Y (en) * | 2007-10-17 | 2009-01-21 | 云南铁人机械制造有限公司 | U type mine path support frame |
| CN203809017U (en) * | 2014-04-30 | 2014-09-03 | 中铁十二局集团第七工程有限公司 | Connection limiting device for welding connecting plates in tunnel steel arches |
| CN106640149A (en) * | 2016-12-29 | 2017-05-10 | 中国人民解放军63926部队 | Steel arch frame suitable for semi-automatic installation of large cross-section tunnel and installation method of steel arch frame |
| CN211144522U (en) * | 2019-08-05 | 2020-07-31 | 浙江工业大学 | Snap-in connection for steel arch segments of tunnels |
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