CN108035735A - A kind of tunnel double-lining reinforcing bar accurate positioning device and method - Google Patents
A kind of tunnel double-lining reinforcing bar accurate positioning device and method Download PDFInfo
- Publication number
- CN108035735A CN108035735A CN201711243710.7A CN201711243710A CN108035735A CN 108035735 A CN108035735 A CN 108035735A CN 201711243710 A CN201711243710 A CN 201711243710A CN 108035735 A CN108035735 A CN 108035735A
- Authority
- CN
- China
- Prior art keywords
- reinforcing bar
- tunnel
- positioning device
- lining
- accurate positioning
- 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.)
- Granted
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims description 7
- 230000002787 reinforcement Effects 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000004807 localization Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 239000011241 protective layer Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil 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 discloses a kind of tunnel double-lining reinforcing bar accurate positioning device, including the telescopic stretching structure being arranged on splash guard paving hanging platform car, the stretching structure is multiple along circumferentially having for tunnel section, adjustment structure is provided with the stretching structure, the adjustment structure is made of several screw rods being arranged side by side along tunnel trend, and the screw rod can be moved axially along itself.Two lining reinforcement locations can accurately be adjusted by stretching structure and adjustment structure, suitable for straight line and curved tunnel, especially curved tunnel.Two lining bar spacings and protective layer thickness can be efficiently controlled using the bar reinforcement positioning device, ensure construction quality.
Description
Technical field
The present invention relates to technical field of tunnel construction, in particular to a kind of tunnel double-lining reinforcing bar accurate positioning device and side
Method.
Background technology
During constructing tunnel, being accurately positioned for secondary lining reinforcing bar binding is the disaster for restricting two lining construction qualities
Topic.The prior art binds secondary lining reinforcing bar, using the elasticity of reinforcing bar itself, bar bending is cyclic mainly by artificial,
And the arc-shaped circumferential reinforcement being accomplished manually can not be accurately positioned, when especially secondary lining section is curved section, secondary lining
Reinforcement installation quality is even more to be difficult to ensure that, generally existing, become Inspection of Tunnel Quality one are big in the prior art for this phenomenon
Common fault and hidden danger.
The content of the invention
The present invention is aiming at the deficiencies in the prior art, there is provided a kind of accurate tunnel double-lining for adjusting two lining reinforcement locations
Reinforcing bar accurate positioning device and method.
To achieve these goals, the tunnel double-lining reinforcing bar accurate positioning device designed by the present invention, its special character exist
In：Including the telescopic stretching structure being arranged on splash guard paving hanging platform car, circumferential direction of the stretching structure along tunnel section
It is disposed with multiple, adjustment structure is provided with the stretching structure, if the adjustment structure is by being arranged side by side along tunnel trend
Dry screw rod is formed, and the screw rod can be moved axially along itself.
Further, the stretching structure includes at least two telescopic rods, and the telescopic rod is hung by being arranged on splash guard paving
Annulus socket on trolley, the splash guard spread the lock being additionally provided with hanging platform car for limiting telescopic rod activity, the essence
Structure is adjusted to be connected to telescopic rod termination.
Further, splash guard paving hanging platform car at telescopic rod position relative to being provided with graduation mark, minimum scale
1cm, the precision of coarse adjustment are provided with an index line for being used for indicating graduation up to 1cm on the telescopic rod.
Further, described screw rod one end is provided with detachable reinforcing steel fixture, and the screw rod other end is provided with afterbody
Handle.Detachable reinforcing steel fixture facilitates the installation of this structure, adjusts afterbody handle, you can realize accurate adjusting, it is convenient to adjust
Operation.
Further, the Reinforcing bar clamp is made of the steel pipe of one end recessing, and the bottom portion of groove is provided with spacing
Plate.
Further, positioning bar support is provided with the stretching structure, if being provided with the positioning bar support
The dry nut coordinated with screw rod, the nut are socketed on screw rod.
On the other hand, present invention also offers a kind of positioning side of tunnel double-lining reinforcing bar accurate positioning device as described above
Method, it is characterised in that comprise the following steps：
Splash guard paving hanging platform car, which is moved in tunnel, needs the position of assembling reinforcement；
Adjustment structure is withstood to the reinforcing bar of position to be regulated, adjustable telescopic rod position, Primary Location is carried out to reinforcing bar；
Adjusting screw rod, adjusting screw rod, you can complete reinforcing bar in tunnel being accurately positioned radially and circumferentially.
The advantage of the invention is that：
1st, the present invention substantially increases construction while realizing that Tunnel Second Lining ectonexine circumferential direction main reinforcement is accurately positioned
Efficiency, eliminates the Inspection of Tunnel Quality hidden danger that two lining bar spacings and protective layer culvert deficiency are brought.
2nd, stretched back and forth using stretching structure and precise positioning structure and be accurately positioned circumferential muscle, easy to operate, locating effect
Substantially.
3rd, start appropriate stretching structure number according to the size of tunnel clearance, and adjusted at any time according to the upper bar spacing of design
A distance between tie rods is adjusted, strengthens the practicality.
4th, conventional method utilizes reinforcing bar natural resiliency, and manually bending positioning, can cause circumferential main reinforcement spacing uneven, cause
Reinforcing steel bar bear is uneven after secondary lining concrete construction, crack occurs on two lining structure surfaces, in turn results in internal steel
Muscle corrosion, influences structure stress.The present invention is significantly adjusted using telescopic rod along track trend, can be accurate to 1cm, is conducive to carry
High reinforcing bar location efficiency；Rotational positioning bar is adjusted by a small margin again, can be accurate to 1mm, is conducive to improve setting accuracy, protects
Circumferential main reinforcement uniform stressed is demonstrate,proved.
5th, positioner is installed on simple, firm on splash guard trolley.
6th, suitable for straight line and curved tunnel, especially curved tunnel.It can be efficiently controlled using the bar reinforcement positioning device
Two lining bar spacings and protective layer thickness, ensure construction quality.
Brief description of the drawings
Fig. 1 is a kind of tunnel double-lining reinforcing bar accurate positioning device structure diagram of the present invention.
Fig. 2 is the stretching structure and adjustment structure schematic diagram of the present invention.
Fig. 3 is the buckle structure schematic diagram of the present invention.
Fig. 4 is the circular ring structure schematic diagram of the present invention.
The bolt and nut that Fig. 5 is the present invention forms structure diagram.
Fig. 6 is the Reinforcing bar clamp structure diagram of the present invention.
In figure：Splash guard paving hanging platform car 1, telescopic rod 2 are locating rod 3, lock 4, annulus 5, screw rod 6, nut 7, card slot 8, fixed
Position bar support 9, limiting plate 10, afterbody handle 11.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Tunnel double-lining reinforcing bar accurate positioning device as shown in the figure, including be arranged on scalable on splash guard paving hanging platform car 1
Stretching structure, stretching structure is multiple along circumferentially having for tunnel section, and adjustment structure, accurate adjustment knot are provided with stretching structure
Structure is made of several screw rods 6 being arranged side by side along tunnel trend, and screw rod can be moved axially along itself.
Wherein, stretching structure includes at least two telescopic rods 2, and telescopic rod 2 is by the circle that is arranged on splash guard paving hanging platform car 1
Ring 5 is socketed, and the lock 4 for limiting the activity of telescopic rod 2,1 phase of splash guard paving hanging platform car are additionally provided with splash guard paving hanging platform car 1
For being provided with graduation mark at 2 position of telescopic rod, scale is used centimetre for unit, and one is provided with telescopic rod 2 and is used to indicate
The index line of scale.
2 external end head of telescopic rod is connected with positioning bar support 9, and positioning bar support 9 is 50 × 50 × 3mm equal leg angles,
Several nuts 7 coordinated with screw rod 6 are provided with positioning bar support 9, the nut 7 is socketed on screw rod 6.Screw rod 6 one
End is provided with detachable reinforcing steel fixture, and Reinforcing bar clamp is opened reeded steel pipe by one end and is made, and is about 5cm, the bottom of groove
Limiting plate 10 is provided with, limiting plate 10 is welded using sheet metal, prevents from sliding on the securing lever；6 other end of screw rod is set
There is afterbody handle 11.Significantly adjusted along track trend using telescopic rod 2,1cm can be accurate to, be conducive to improve reinforcing bar positioning effect
Rate；Rotary screw is adjusted by a small margin again, can be accurate to 1mm, is conducive to improve setting accuracy, ensure that circumferential main reinforcement is equal
Even stress.
The present invention have also been devised a kind of localization method of tunnel double-lining reinforcing bar accurate positioning device as described above, specific mistake
Journey is as follows：
1st, mobile splash guard paving hanging platform car 1 to secondary lining reinforcing bar binds section；
2nd, for telescopic rod 2 along annulus telescopic moving to designated position, locking lock 4, prevents telescopic rod from moving, telescopic rod tune
It is big, it can be achieved that the coarse adjustment of device to save range-amplitude display；
3rd, 3 afterbody handle 11 of rotational positioning bar makes locating rod be moved forward or rearward along nut 7, and realization is accurately positioned；
4th, the card slot 8 of steel pipe manufacturing, interim fixed secondary lining reinforcing bar are used on 3 front end sleeve of locating rod；
5th, assembling reinforcement；
6th, designated position will be moved to by unclamping fastener 4 after telescopic rod and supporting item entirety, be completed thick before outer reinforcement positioning
Adjust, then adjust both ends accurate adjustment screw rod 6 at the same time, complete to be accurately positioned.
Advantages of the present invention is as follows：1st, the present invention is realizing that Tunnel Second Lining ectonexine circumferential direction main reinforcement is pinpoint same
When, construction efficiency is substantially increased, it is hidden to eliminate the Inspection of Tunnel Quality that two lining bar spacings and protective layer culvert deficiency are brought
Suffer from.2nd, stretched back and forth using the locating rod with Reinforcing bar clamp and be accurately positioned circumferential muscle, easy to operate, locating effect is obvious.3、
Positioner number is suitably adjusted according to the size of tunnel clearance, and is adjusted at any time between locating rod according to the upper bar spacing of design
Away from enhancing the practicality.4th, locating rod can significantly be moved along track, be conducive to improve reinforcing bar location efficiency.5th, locating rod
Detachable card slot is installed in front end, simple and convenient.6th, locating rod afterbody is welded with handle, and rotating handles can complete accurate adjustment, operation
Simply.7th, positioner is installed on simple, firm on splash guard trolley.
It above are only the design explanation for example of the present invention.Invention is not limited thereto, all non-realities carried out to the present invention
The change of matter, should all belong to the behavior for invading the scope of the present invention.
Claims (7)
- A kind of 1. tunnel double-lining reinforcing bar accurate positioning device, it is characterised in that：Including be arranged on splash guard paving hanging platform car on can Flexible stretching structure, the stretching structure is multiple along circumferentially having for tunnel section, and essence is provided with the stretching structure Structure is adjusted, the adjustment structure is made of several screw rods being arranged side by side along tunnel trend, and the screw rod can be axial along itself It is mobile.
- 2. tunnel double-lining reinforcing bar accurate positioning device according to claim 1, it is characterised in that：The stretching structure includes At least two telescopic rods, the telescopic rod are socketed by the annulus being arranged on splash guard paving hanging platform car, and the splash guard spreads hanging platform The lock for limiting telescopic rod activity is additionally provided with car, the adjustment structure is connected to telescopic rod termination.
- 3. tunnel double-lining reinforcing bar accurate positioning device according to claim 2, it is characterised in that：The splash guard spreads hanging platform Car is provided with an index line for being used for indicating graduation relative to graduation mark is provided with telescopic rod position on the telescopic rod.
- 4. tunnel double-lining reinforcing bar accurate positioning device according to claim 1, it is characterised in that：Described screw rod one end is set There is detachable reinforcing steel fixture, the screw rod other end is provided with afterbody handle.
- 5. tunnel double-lining reinforcing bar accurate positioning device according to claim 4, it is characterised in that：The Reinforcing bar clamp is by one The steel pipe of end recessing is made, and the bottom portion of groove is provided with limiting plate.
- 6. tunnel double-lining reinforcing bar accurate positioning device according to claim 1, it is characterised in that：Set on the stretching structure Positioning bar support is equipped with, several nuts coordinated with screw rod, the nut socket are provided with the positioning bar support On screw rod.
- A kind of 7. localization method of tunnel double-lining reinforcing bar accurate positioning device as claimed in claim 1, it is characterised in that including Following steps：Splash guard paving hanging platform car, which is moved in tunnel, needs the position of assembling reinforcement；Adjustment structure is withstood to the reinforcing bar of position to be regulated, adjustable telescopic rod position, Primary Location is carried out to reinforcing bar；Adjusting screw rod, you can complete reinforcing bar in tunnel being accurately positioned radially and circumferentially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243710.7A CN108035735B (en) | 2017-11-30 | 2017-11-30 | Tunnel secondary lining steel bar accurate positioning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243710.7A CN108035735B (en) | 2017-11-30 | 2017-11-30 | Tunnel secondary lining steel bar accurate positioning device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108035735A true CN108035735A (en) | 2018-05-15 |
| CN108035735B CN108035735B (en) | 2020-06-16 |
Family
ID=62094608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711243710.7A Active CN108035735B (en) | 2017-11-30 | 2017-11-30 | Tunnel secondary lining steel bar accurate positioning device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108035735B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185479A (en) * | 2019-06-12 | 2019-08-30 | 中建七局第四建筑有限公司 | Tunnel double-lining circumferential reinforcement position control device and its application method |
| CN111677524A (en) * | 2018-08-28 | 2020-09-18 | 李代全 | Positioning equipment and positioning method for annular ribs for tunnel construction |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1472684A1 (en) * | 1987-05-19 | 1989-04-15 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт | Formwork shield |
| CN2755224Y (en) * | 2004-11-12 | 2006-02-01 | 卢兴明 | Template supporter |
| CN202300426U (en) * | 2011-10-31 | 2012-07-04 | 招商局重庆交通科研设计院有限公司 | Trolley for precisely positioning colligated secondarily lined steel bars of tunnel |
| CN204371366U (en) * | 2014-12-23 | 2015-06-03 | 上海建工材料工程有限公司 | A kind of main muscle positioner of tunnel lining prefabricated pipe section |
| CN104711996A (en) * | 2015-02-16 | 2015-06-17 | 中交四航局第二工程有限公司 | End steel shell mounting and positioning device and operation method |
| CN107387127A (en) * | 2017-09-13 | 2017-11-24 | 中交公局桥隧工程有限公司 | A kind of tunnel inverted arch reserves ring muscle positioning fixture and application method |
-
2017
- 2017-11-30 CN CN201711243710.7A patent/CN108035735B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1472684A1 (en) * | 1987-05-19 | 1989-04-15 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт | Formwork shield |
| CN2755224Y (en) * | 2004-11-12 | 2006-02-01 | 卢兴明 | Template supporter |
| CN202300426U (en) * | 2011-10-31 | 2012-07-04 | 招商局重庆交通科研设计院有限公司 | Trolley for precisely positioning colligated secondarily lined steel bars of tunnel |
| CN204371366U (en) * | 2014-12-23 | 2015-06-03 | 上海建工材料工程有限公司 | A kind of main muscle positioner of tunnel lining prefabricated pipe section |
| CN104711996A (en) * | 2015-02-16 | 2015-06-17 | 中交四航局第二工程有限公司 | End steel shell mounting and positioning device and operation method |
| CN107387127A (en) * | 2017-09-13 | 2017-11-24 | 中交公局桥隧工程有限公司 | A kind of tunnel inverted arch reserves ring muscle positioning fixture and application method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677524A (en) * | 2018-08-28 | 2020-09-18 | 李代全 | Positioning equipment and positioning method for annular ribs for tunnel construction |
| CN110185479A (en) * | 2019-06-12 | 2019-08-30 | 中建七局第四建筑有限公司 | Tunnel double-lining circumferential reinforcement position control device and its application method |
| CN110185479B (en) * | 2019-06-12 | 2022-04-08 | 中建七局第四建筑有限公司 | Tunnel secondary lining circumferential steel bar positioning control device and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108035735B (en) | 2020-06-16 |
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