CN207363677U - A kind of tunnel inverted arch reserves circumferential muscle positioning fixture - Google Patents
A kind of tunnel inverted arch reserves circumferential muscle positioning fixture Download PDFInfo
- Publication number
- CN207363677U CN207363677U CN201721172245.8U CN201721172245U CN207363677U CN 207363677 U CN207363677 U CN 207363677U CN 201721172245 U CN201721172245 U CN 201721172245U CN 207363677 U CN207363677 U CN 207363677U
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- screw rod
- fixture
- reinforcing bar
- internal layer
- inverted arch
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Abstract
Circumferential muscle positioning fixture is reserved the utility model discloses a kind of tunnel inverted arch, including internal layer Reinforcing bar clamp, outer reinforcement fixture, screw hole, nut, card slot, screw rod and is shaken hands.The beneficial effects of the utility model are：Positioner connection is compact, using simple, design is reasonable, multiple card slots are evenly arranged with the outside of internal layer Reinforcing bar clamp and outer reinforcement fixture, circumferential muscle is installed by root according to the groove position of fixture, realizing while being accurately positioned of circumferential reinforcement, positioning is connected for two linings with inverted arch reserved steel bar termination to lay the foundation, substantially increase construction efficiency, overcome because of the hidden danger of quality for the Tunnel Engineering that reinforcing bar inclination and distortion is brought, screw rod is provided at both ends with screw thread and the hand of spiral at both ends is opposite, rotate screw rod when can be two-way tighten screw rod, shaking hands for a circle rubber system is cased with the middle part of screw rod, being capable of increasing friction force, operating personnel are facilitated to rotate screw rod.
Description
Technical field
A kind of positioning fixture is the utility model is related to, is specially that a kind of tunnel inverted arch reserves circumferential muscle positioning fixture, belongs to
Tunnel Engineering technical field.
Background technology
East -Tianshan super long tunnel be G575 lines Barkol to Hami highway PPP construction project key projects, be to make " silk
Road economy-zone " on strategic support point, accelerate " Silk Road economy-zone " to build, promote Xinjiang Autonomous Region economic society modern
Change the needs of development；It is《National highway network planning is drawn》In important component, be one connection G30 even suddenly at a high speed, G7 capital it is new
At a high speed, the important service channel of tetra- national trunk highways of G335, G312, becomes the important north-south in Eastern Xinjiang one
Main artey of communications, overall length 11.9km, using two-way four-lane Class I highway standard, desin speed 80km/h, therefore to sandhog
Journey construction quality requires very high.
Rift structure position rock crushing residing for East -Tianshan tunnel tunnel location, developmental joint fissure, tax water condition is preferable, ground
Lower moisture is Quaternary pore water, Bedrock Crevice Water and clastic rock class crevice water；Bedrock Crevice Water is distributed mainly on tunnel trunk
Part, therefore East -Tianshan tunnel water proofing requires standard higher.
Inverted arch construction deviation when in bar spacing and array pitch control in inapplicable positioning fixture in tunnel is larger, general to use
Dipstick metering carries out reinforcing bar laying, and inverted arch constructs after using large hydraulic inverted arch trestle and realizes primary concreting length as 12m, reinforcing bar
Spacing cumulative errors are larger, and inverted arch is longitudinal, circumferential waterstop installation is not straight causes waterproof, the effect of sealing poor.
Utility model content
The purpose of this utility model, which is that to provide a kind of tunnel inverted arch to solve the above-mentioned problems and reserve circumferential muscle, determines
Position fixture.
The utility model is achieved through the following technical solutions above-mentioned purpose：A kind of tunnel inverted arch reserves circumferential muscle positioning card
Tool, including internal layer Reinforcing bar clamp, outer reinforcement fixture, screw hole, nut, card slot, screw rod and shake hands；The internal layer Reinforcing bar clamp and
It is provided through the screw hole of internal layer Reinforcing bar clamp and outer reinforcement fixture on outer reinforcement fixture, the internal layer Reinforcing bar clamp and outer
Nut is fixed with the inner side and the corresponding position of screw hole of layer Reinforcing bar clamp, the screw rod passes through internal layer Reinforcing bar clamp and outer layer steel
Screw hole on muscle fixture, the screw rod are fixed on internal layer Reinforcing bar clamp and outer reinforcement fixture by nut, the screw rod two
End is provided with the hand of spiral of screw thread and both ends on the contrary, being cased with shaking hands for a circle rubber system, the internal layer steel in the middle part of the screw rod
Multiple card slots are evenly arranged with the outside of muscle fixture and outer reinforcement fixture.
Further, in order to which by root circumferential muscle can be installed according to the groove position of fixture, the internal layer Reinforcing bar clamp and
Multiple card slots are evenly arranged with the outside of outer reinforcement fixture.
Can be two-way when further, in order to rotate screw rod tighten screw rod, the screw rod is provided at both ends with screw thread and two
The hand of spiral at end is opposite.
Further, personnel rotate screw rod in order to facilitate the operation, and shaking hands for a circle rubber system is cased with the middle part of the screw rod.
Further, the tunnel inverted arch is reserved the application method of circumferential muscle positioning fixture and is made of following steps：
1), construction spacer bar, according to spacer bar, installs fixed outer layer Reinforcing bar clamp, is adjusted according to cover to reinforcement
Outer reinforcement fixture position；
2) outer layer circumferential reinforcement, is installed by root according to the groove position of outer reinforcement fixture, after installing, is applied longitudinally
Work sews on 80cm positions and sets a longitudinal reinforcement, is bound one by one firmly, for fixing between upper reinforcement with outer layer circumferential reinforcement
Away from being fixed if necessary using spot welding；
3) internal layer Reinforcing bar clamp, is assembled by screw rod and nut device, screw rod usesReinforcing bar, adjust regulating nut
And screw rod, after determining inside and outside layer bar spacing, fixed internal layer Reinforcing bar clamp；
4) internal layer circumferential reinforcement, is installed by root according to the groove position of internal layer Reinforcing bar clamp, after installing, is applied longitudinally
Work sews on 80cm positions and sets a longitudinal reinforcement, is bound one by one firmly, for fixing between upper reinforcement with internal layer circumferential reinforcement
Away from being fixed if necessary using spot welding；
5), after reinforcing bar binding, detailed inspection is carried out according to design drawing and job specfication, and makes inspection record,
Next procedure construction is carried out after inspection of steel reinforcement bars qualification.
The beneficial effects of the utility model are：Positioner connection is compact, and using simple, design is reasonable, internal layer reinforcing bar
Multiple card slots are evenly arranged with the outside of fixture and outer reinforcement fixture, circumferential muscle is installed by root according to the groove position of fixture,
Realizing while being accurately positioned of circumferential reinforcement, being connected positioning with inverted arch reserved steel bar termination for two linings lays the foundation, significantly
Construction efficiency is improved, is overcome because the hidden danger of quality for the Tunnel Engineering that reinforcing bar inclination and distortion is brought, screw rod are provided at both ends with spiral shell
Line and the hand of spiral at both ends on the contrary, can be two-way when rotating screw rod tighten screw rod, be cased with a circle rubber system in the middle part of screw rod
Shake hands, can increasing friction force, facilitate operating personnel rotate screw rod.
Brief description of the drawings
Fig. 1 is the utility model overall structure decomposition diagram；
Fig. 2 is the utility model overall structure diagram；
In figure：1st, internal layer Reinforcing bar clamp, 2, outer reinforcement fixture, 3, screw hole, 4, nut, 5, card slot, 6, screw rod, 7, hold
Hand.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, a kind of tunnel inverted arch reserves circumferential muscle positioning fixture, including internal layer Reinforcing bar clamp 1, outer reinforcement
Fixture 2, screw hole 3, nut 4, card slot 5, screw rod 6 and shake hands 7；It is provided with the internal layer Reinforcing bar clamp 1 and outer reinforcement fixture 2
Through internal layer Reinforcing bar clamp 1 and the screw hole 3 of outer reinforcement fixture 2, the internal layer Reinforcing bar clamp 1 and outer reinforcement fixture 2 it is interior
Nut 4 is fixed with 3 corresponding position of side and screw hole, the screw rod 6 is passed through on internal layer Reinforcing bar clamp 1 and outer reinforcement fixture 2
Screw hole 3, the screw rod 6 is fixed on internal layer Reinforcing bar clamp 1 and outer reinforcement fixture 2 by nut 4,6 both ends of screw rod
Be provided with the hand of spiral at screw thread and both ends on the contrary, the middle part of the screw rod 6 be cased with a circle rubber system shake hands 7, the internal layer steel
The outside of muscle fixture 1 and outer reinforcement fixture 2 is evenly arranged with multiple card slots 5.
A kind of technical optimization scheme as the utility model：Outside the internal layer Reinforcing bar clamp 1 and outer reinforcement fixture 2
Side is evenly arranged with multiple card slots 5；The screw rod 6 is provided at both ends with screw thread and the hand of spiral at both ends is opposite；In the screw rod 6
What portion was cased with a circle rubber system shakes hands 7.
The application method that the tunnel inverted arch reserves circumferential muscle positioning fixture is made of following steps：
1), construction spacer bar, according to spacer bar, installation fixed outer layer Reinforcing bar clamp 2, adjusts according to cover to reinforcement
2 position of outer reinforcement fixture；
2) outer layer circumferential reinforcement, is installed by root according to 5 position of card slot of outer reinforcement fixture 2, after installing, in longitudinal direction
80cm positions set a longitudinal reinforcement on construction joint, are bound one by one firmly, for fixing upper reinforcement with outer layer circumferential reinforcement
Spacing, is fixed using spot welding if necessary；
3) internal layer Reinforcing bar clamp 1, is assembled by screw rod 6 and 4 device of nut, screw rod 6 usesReinforcing bar, adjustment adjust
Nut 4 and screw rod 6, after determining inside and outside layer bar spacing, fixed internal layer Reinforcing bar clamp 1；
4) internal layer circumferential reinforcement, is installed by root according to 5 position of card slot of internal layer Reinforcing bar clamp 1, after installing, in longitudinal direction
80cm positions set a longitudinal reinforcement on construction joint, are bound one by one firmly, for fixing upper reinforcement with internal layer circumferential reinforcement
Spacing, is fixed using spot welding if necessary；
5), after reinforcing bar binding, detailed inspection is carried out according to design drawing and job specfication, and makes inspection record,
Next procedure construction is carried out after inspection of steel reinforcement bars qualification.
When the utility model is used, construction spacer bar, according to spacer bar, installs fixed outer layer Reinforcing bar clamp, root
According to cover to reinforcement adjustment outer reinforcement fixture position, outer layer circumferential direction steel is installed by root according to the groove position of outer reinforcement fixture
Muscle, after installing, 80cm positions set a longitudinal reinforcement on longitudinal construction joint, and jail is bound one by one with outer layer circumferential reinforcement
Gu for fixing upper reinforcement spacing, fixed if necessary using spot welding, internal layer reinforcing bar card is assembled by screw rod and nut device
Tool, screw rod useReinforcing bar, adjust regulating nut and screw rod, after determining inside and outside layer bar spacing, fixed internal layer reinforcing bar card
Tool, installs internal layer circumferential reinforcement, after installing, on longitudinal construction joint according to the groove position of internal layer Reinforcing bar clamp by root
80cm positions set a longitudinal reinforcement, are bound one by one firmly with internal layer circumferential reinforcement, necessary for fixing upper reinforcement spacing
Shi Caiyong spot welding is fixed, and after reinforcing bar is bound, detailed inspection is carried out according to design drawing and job specfication, and make inspection note
Record, next procedure construction is carried out after inspection of steel reinforcement bars qualification.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. a kind of tunnel inverted arch reserves circumferential muscle positioning fixture, it is characterised in that：Including internal layer Reinforcing bar clamp (1), outer reinforcement
Fixture (2), screw hole (3), nut (4), card slot (5), screw rod (6) and shake hands (7)；The internal layer Reinforcing bar clamp (1) and outer layer steel
The screw hole (3) of internal layer Reinforcing bar clamp (1) and outer reinforcement fixture (2), the internal layer reinforcing bar card are provided through on muscle fixture (2)
Nut (4) is fixed with the inner side and the corresponding position of screw hole (3) of tool (1) and outer reinforcement fixture (2), the screw rod (6) is worn
The screw hole (3) on internal layer Reinforcing bar clamp (1) and outer reinforcement fixture (2) is crossed, the screw rod (6) is fixed on interior by nut (4)
On layer Reinforcing bar clamp (1) and outer reinforcement fixture (2), it is provided with shake hands (7) in the middle part of the screw rod (6), the internal layer reinforcing bar card
Outside on tool (1) and outer reinforcement fixture (2) is provided with card slot (5).
2. a kind of tunnel inverted arch according to claim 1 reserves circumferential muscle positioning fixture, it is characterised in that：The internal layer steel
Multiple card slots (5) are evenly arranged with the outside of muscle fixture (1) and outer reinforcement fixture (2).
3. a kind of tunnel inverted arch according to claim 1 reserves circumferential muscle positioning fixture, it is characterised in that：The screw rod
(6) hand of spiral for being provided at both ends with screw thread and both ends is opposite.
4. a kind of tunnel inverted arch according to claim 3 reserves circumferential muscle positioning fixture, it is characterised in that：The screw rod
(6) middle part is cased with shaking hands (7) for a circle rubber system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172245.8U CN207363677U (en) | 2017-09-13 | 2017-09-13 | A kind of tunnel inverted arch reserves circumferential muscle positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172245.8U CN207363677U (en) | 2017-09-13 | 2017-09-13 | A kind of tunnel inverted arch reserves circumferential muscle positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207363677U true CN207363677U (en) | 2018-05-15 |
Family
ID=62348478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721172245.8U Expired - Fee Related CN207363677U (en) | 2017-09-13 | 2017-09-13 | A kind of tunnel inverted arch reserves circumferential muscle positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207363677U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112412497A (en) * | 2020-12-10 | 2021-02-26 | 山东省交通规划设计院有限公司 | Tunnel secondary lining reinforcing steel bar limiting structure and method for correcting effective lining height |
-
2017
- 2017-09-13 CN CN201721172245.8U patent/CN207363677U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112412497A (en) * | 2020-12-10 | 2021-02-26 | 山东省交通规划设计院有限公司 | Tunnel secondary lining reinforcing steel bar limiting structure and method for correcting effective lining height |
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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: 20180515 Termination date: 20180913 |