CN110454202A - Stubborn fixing bolt formula attachment device and installation method suitable for tunnel steel arch frame segment - Google Patents
Stubborn fixing bolt formula attachment device and installation method suitable for tunnel steel arch frame segment Download PDFInfo
- Publication number
- CN110454202A CN110454202A CN201910715184.2A CN201910715184A CN110454202A CN 110454202 A CN110454202 A CN 110454202A CN 201910715184 A CN201910715184 A CN 201910715184A CN 110454202 A CN110454202 A CN 110454202A
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- CN
- China
- Prior art keywords
- steel
- fixing bolt
- steel arch
- arch
- shelf
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 140
- 239000010959 steel Substances 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 title claims abstract description 10
- 125000003003 spiro group Chemical group 0.000 claims abstract description 23
- 230000008093 supporting effect Effects 0.000 claims abstract description 8
- 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
- 238000010586 diagram Methods 0.000 description 5
- 239000002689 soil Substances 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
- 101150097977 arch-1 gene Proteins 0.000 description 1
- 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
- 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
- 239000007787 solid Substances 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
-
- 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 stubborn fixing bolt formula attachment device suitable for tunnel steel arch frame segment, 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；Spiro keyhole position is provided on one of junction steel plate, another piece of junction steel plate, which is equipped with, twists fixing bolt, and fixed supporting is realized in the stubborn fixing bolt and spiro keyhole position cooperation.And provide a kind of installation method of stubborn fixing bolt formula attachment device suitable for tunnel steel arch frame segment.Assembly efficiency of the present invention is higher and safety is higher.
Description
Technical field
The present invention relates to underground engineering construction fields, more particularly, to a kind of stubborn solid spiral shell suitable for tunnel steel arch frame segment
Hydrant attachment device and 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 typically necessary worker
The positioning that steel arch is completed close to excavation face is subsequently mounted arch bridge and fixed arch springing.This erection method is by steel arch
Frame is divided into several segments, is set up and is installed by manual segmentation, is then connected with, and working security is poor, speed is slow, occupies operation and follows
The ring time is long, and there are also problems for erection quality.
Also there is the semi-automatic installation method being connected by screw bolts, although this method improves status to a certain extent,
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 assembly efficiency of existing steel arch-shelf lower and the lower deficiency of safety, the present invention provides a kind of dresses
With efficiency is higher and the higher stubborn fixing bolt formula attachment device and installation method suitable for tunnel steel arch frame segment of safety.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of stubborn fixing bolt formula attachment device suitable for tunnel steel arch frame segment, 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；
Spiro keyhole position is provided on one of junction steel plate, another piece of junction steel plate, which is equipped with, twists fixing bolt, the stubborn fixing bolt and spiral shell
Fixed supporting is realized in the cooperation of keyhole position.
Further, the stubborn fixing bolt includes nut, bolt head and screw rod, and the screw rod and the bolt head connect
It connects, the screw rod cooperates with the threaded hole of the nut simultaneously, the section on the nuts and bolt head and the spiro keyhole position
Cross-sections match.Nut can pass through the spiro keyhole position.
Further, the thickness of the nut is consistent with the depth of the spiro keyhole position, and the bolt head is fastened on spiral shell
On junction steel plate where keyhole position.
Preferably, the stubborn fixing bolt and spiro keyhole position are at least two groups or more.
In the present solution, when steel arch-shelf is unfolded in place, by being fixed with the stubborn fixing bolt structure on two pieces of junction steel plates
Adjacent 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 stubborn fixing bolt formula attachment device suitable for tunnel steel arch frame segment, the method includes with
Lower step:
(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) bolt in adjacent steel arch-shelf end junction steel plate is passed through with the stubborn fixing bolt in steel arch-shelf end junction steel plate
Hole location closes up two panels steel arch-shelf, rotates the bolt head for twisting fixing bolt, makes screw rod and nut tight closure, makes two pieces of companies up and down
It connects steel plate and closes up fixation completely；
(4) arch springing of the steel arch-shelf newly set up and the arch springing for the steel arch-shelf being fixedly mounted before are consolidated using reinforcement welding
It is fixed；
(5) the hinge-type chain hinge between adjacent two sections of steel arches is closed；
(6) 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 structural schematic diagram of the stubborn fixing bolt formula attachment device suitable for tunnel steel arch frame segment；
Fig. 2 is that hinge-type chain is cut with scissors and fixing bolt schematic diagram is twisted in unilateral side；
Fig. 3 is that fixing bolt schematic diagram is twisted in the hinge-type chain hinge of the junction of adjacent steel arch and two sides；
Fig. 4 is that the hinge-type chain hinge of the junction of adjacent steel arch and stubborn fixing bolt twist the schematic diagram after consolidating；
Fig. 5 is to twist fixing bolt schematic diagram of internal structure；
In figure, 1- steel arch, 2- chain hinge, 3- chain hinged shaft, 4- junction steel plate, 5- spiro keyhole position, 6- twists fixing bolt, 7- screw rod,
8- bolt head, 9- nut.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig.1~Fig. 5, a kind of stubborn fixing bolt formula attachment device suitable for tunnel steel arch frame segment, the steel arch-shelf
It is divided into n sections of steel arches 1, wherein n is positive integer not less than 2, and in the n section steel arch, adjacent two sections of steel arches pass through a hinge
Formula chain hinge 2 connects, and the hinge-type chain hinge 2 includes the chain hinged shaft 3 and the connection chain hinged shaft positioned at end
And the two pieces of junction steel plates 4 that can be rotated around it respectively, two pieces of junction steel plates 3 are also separately fixed at two sections of adjacent steel arches
End face；Spiro keyhole position 5 is provided on one of junction steel plate, another piece of junction steel plate, which is equipped with, twists fixing bolt 6, described to twist admittedly
Fixed supporting is realized in bolt 6 and the cooperation of spiro keyhole position 5.
Further, the stubborn fixing bolt 5 includes nut 9, bolt head 8 and screw rod 7, the screw rod 7 and the bolt head
Portion 8 connects, and the screw rod 7 cooperates with the threaded hole of the nut 9 simultaneously, the section of the nut 9 and bolt head 8 with it is described
The cross-sections match of spiro keyhole position 5.Nut 9 can pass through the spiro keyhole position.
Further, the thickness of the nut 9 is consistent with the depth of the spiro keyhole position 5, and the bolt head 8 is fastened on
On junction steel plate where spiro keyhole position.
Preferably, the stubborn fixing bolt 6 and spiro keyhole position 5 are at least two groups or more.
In the present solution, when steel arch-shelf is unfolded in place, by being fixed with the stubborn fixing bolt structure on two pieces of junction steel plates
Adjacent 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 stubborn fixing bolt formula attachment device suitable for tunnel steel arch frame segment of the present embodiment, including five sections of steel arches 1, five sections
In steel arch 1, 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,
And connection chain hinged shaft 3 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 respectively fixedly connected with phase
The end face of two sections of adjacent steel arches 1.Corresponding two spiro keyhole positions 5 in position are further respectively had on two pieces of junction steel plates 4；1 frame of steel arch
When being unfolded in place, by fixing adjacent two sections of steel arches 1 with spiro keyhole position 5 and 6 structure of stubborn fixing bolt, the fixation of 1 frame of steel arch is realized
Supporting.The chain hinged shaft 3 of hinge-type chain hinge 2 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 stubborn fixing bolt formula attachment device suitable for tunnel steel arch frame segment, the method includes with
Lower step:
(1) taking eight 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) it is passed through in adjacent 1 frame end junction steel plate 5 of steel arch with the stubborn fixing bolt 6 in 1 frame end junction steel plate 5 of steel arch
Spiro keyhole position close up 1 frame of two panels steel arch, rotate twist fixing bolt bolt head 8, make 9 tight closure of screw rod 7 and nut, make
Upper and lower two pieces of junction steel plates 5 close up fixation completely；
(4) arch springing of 1 frame of steel arch newly set up and the arch springing for 1 frame of steel arch being fixedly mounted before are used into reinforcement welding
It is fixed；
(5) it closes and fixes the hinge of the hinge-type chain between adjacent two sections of steel arches 12；
(6) other positions in addition to arch springing on 1 frame of steel arch 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 (6)
1. a kind of stubborn fixing bolt formula attachment device suitable for tunnel steel arch frame segment, 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
It is hinged, the hinge-type chain hinge includes the chain hinged shaft and the connection chain hinged shaft positioned at end and can distinguish
The two pieces of junction steel plates rotated around it, two pieces of junction steel plates are also separately fixed at the end face of two sections of adjacent steel arches；Its
In spiro keyhole position is provided on one piece of junction steel plate, another piece of junction steel plate, which is equipped with, twists fixing bolt, the stubborn fixing bolt and bolt
Fixed supporting is realized in hole location cooperation.
2. being suitable for the stubborn fixing bolt formula attachment device of tunnel steel arch frame segment as described in claim 1, which is characterized in that institute
Stating stubborn fixing bolt includes nut, bolt head and screw rod, and the screw rod is connect with the bolt head, the screw rod simultaneously with institute
State the threaded hole cooperation of nut, the section on the nuts and bolt head and the cross-sections match of the spiro keyhole position.
3. being suitable for the stubborn fixing bolt formula attachment device of tunnel steel arch frame segment as claimed in claim 2, which is characterized in that institute
The thickness for stating nut is consistent with the depth of the spiro keyhole position, and the bolt head is fastened on the junction steel plate where spiro keyhole position
On.
4. the stubborn fixing bolt formula attachment device suitable for tunnel steel arch frame segment as described in one of claims 1 to 3, feature
It is, the stubborn fixing bolt and spiro keyhole position are at least two groups or more.
5. the stubborn fixing bolt formula attachment device suitable for tunnel steel arch frame segment as described in one of claims 1 to 3, feature
It is, 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.
6. a kind of installation side for the stubborn fixing bolt formula attachment device for being suitable for tunnel steel arch frame segment as described in claim 1
Method, which 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) spiro keyhole position in adjacent steel arch-shelf end junction steel plate is passed through with the stubborn fixing bolt in steel arch-shelf end junction steel plate
Close up two panels steel arch-shelf, rotate the bolt head for twisting fixing bolt, make screw rod and nut tight closure, makes two blocks of connection steel up and down
Plate closes up fixation completely；
(4) arch springing of the steel arch-shelf newly set up and the arch springing for the steel arch-shelf being fixedly mounted before are fixed using reinforcement welding；
(5) the hinge-type chain hinge between adjacent two sections of steel arches is closed；
(6) 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 |
|---|---|---|---|
| CN201910715184.2A CN110454202A (en) | 2019-08-05 | 2019-08-05 | Stubborn fixing bolt formula attachment device and installation method suitable for tunnel steel arch frame segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715184.2A CN110454202A (en) | 2019-08-05 | 2019-08-05 | Stubborn fixing bolt formula attachment device and installation method suitable for tunnel steel arch frame segment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110454202A true CN110454202A (en) | 2019-11-15 |
Family
ID=68484695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910715184.2A Pending CN110454202A (en) | 2019-08-05 | 2019-08-05 | Stubborn fixing bolt formula attachment device and installation method suitable for tunnel steel arch frame segment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454202A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006828A (en) * | 2021-02-26 | 2021-06-22 | 上海交通大学 | Arch frame connecting structure with self-locking function and installation method |
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| CN203655840U (en) * | 2013-11-20 | 2014-06-18 | 成都嘉泽正达科技有限公司 | Bolt structure |
| 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 |
| CN106677807A (en) * | 2016-12-29 | 2017-05-17 | 中国人民解放军63926部队 | Folding steel arch frame and installation method thereof |
| CN206918011U (en) * | 2017-06-09 | 2018-01-23 | 浙江永强集团股份有限公司 | Hand the turn of the screw attachment structure, Cain and Abel |
| CN208221301U (en) * | 2018-02-22 | 2018-12-11 | 新兴能源装备股份有限公司 | A kind of anti-rotation T-bolt |
| CN109519193A (en) * | 2018-11-20 | 2019-03-26 | 中铁局集团有限公司 | A kind of Existing Railway Line tunnel set lining structure and its construction method |
| CN211777492U (en) * | 2019-08-05 | 2020-10-27 | 浙江工业大学 | Screwing bolt type connecting device suitable for tunnel steel arch frame section |
-
2019
- 2019-08-05 CN CN201910715184.2A patent/CN110454202A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203476999U (en) * | 2013-07-29 | 2014-03-12 | 青岛宝基利工程技术咨询有限公司 | Connecting bolt structure capable of realizing post-mounting of screw |
| CN203655840U (en) * | 2013-11-20 | 2014-06-18 | 成都嘉泽正达科技有限公司 | Bolt structure |
| 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 |
| CN106677807A (en) * | 2016-12-29 | 2017-05-17 | 中国人民解放军63926部队 | Folding steel arch frame and installation method thereof |
| CN206918011U (en) * | 2017-06-09 | 2018-01-23 | 浙江永强集团股份有限公司 | Hand the turn of the screw attachment structure, Cain and Abel |
| CN208221301U (en) * | 2018-02-22 | 2018-12-11 | 新兴能源装备股份有限公司 | A kind of anti-rotation T-bolt |
| CN109519193A (en) * | 2018-11-20 | 2019-03-26 | 中铁局集团有限公司 | A kind of Existing Railway Line tunnel set lining structure and its construction method |
| CN211777492U (en) * | 2019-08-05 | 2020-10-27 | 浙江工业大学 | Screwing bolt type connecting device suitable for tunnel steel arch frame section |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006828A (en) * | 2021-02-26 | 2021-06-22 | 上海交通大学 | Arch frame connecting structure with self-locking function and installation method |
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