CN202300426U - Trolley for precisely positioning colligated secondarily lined steel bars of tunnel - Google Patents
Trolley for precisely positioning colligated secondarily lined steel bars of tunnel Download PDFInfo
- Publication number
- CN202300426U CN202300426U CN201120422373XU CN201120422373U CN202300426U CN 202300426 U CN202300426 U CN 202300426U CN 201120422373X U CN201120422373X U CN 201120422373XU CN 201120422373 U CN201120422373 U CN 201120422373U CN 202300426 U CN202300426 U CN 202300426U
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- Prior art keywords
- tunnel
- reinforcing bar
- backstay
- chassis
- steel bars
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Abstract
The utility model discloses a trolley for precisely positioning colligated secondarily lined steel bars of a tunnel. The trolley comprises a rack, wherein a plurality of cambered supporting rings are fixedly arranged on the rack; a plurality of positioning rods are arranged on the supporting rings along a radial direction; steel bar clamping slots are formed on the positioning rods; and the supporting rings are abreast arranged on the top of the rack along the longitudinal direction of the rack. The supporting rings and the positioning rods which assist in positioning precisely and fixing the steel bars are arranged on the rack, and under the condition that the longitudinal bars are precisely positioned and fixed, the annular ribs are precisely positioned, colligated and fixed, so that the steel bars close to one side of a surrounding rock and the inner side of the tunnel are prevented from being deformed severely, the secondarily lined steel bars can completely develop the functions, and the potential quality hazard of tunnel engineering caused by severe deformation of the steel bars in the prior art is avoided; and furthermore, the trolley is used for assistant construction, so that the construction efficiency is improved greatly.
Description
Technical field
The utility model relates to a kind of building aid, particularly a kind ofly is used for Tunnel Second Lining reinforcing bar binding construction and makes by the pinpoint chassis of assembling reinforcement.
Background technology
In the tunnel construction of China, the accurate location of secondary lining reinforcing bar binding is a great problem of restriction Second Lining Construction quality always.To the secondary lining reinforcing bar binding, generally construct by a chassis in the prior art, existing chassis structure is all very simple, and its function only is a movably scaffold (as shown in Figure 1).Reinforcing bar binding will be delivered to the arch from the chassis avris by the welding long reinforcing bar of about 9-30m well on ground, and utilize the elasticity of reinforcing bar (general diameter is 22-25mm) self mainly through artificial, and reinforcing bar is formed ring-type in the chassis outside.Because being not easy to penetrate waterproofing course sets up the strong point to reinforcing bar; And reinforcing bar exists certain rigidity and weight, and therefore, the ring-type reinforcing bar that manual work curves can't accurately be located; Lean on the reinforcing bar of country rock one side usually to be pressed on the waterproofing course because of distortion; Make it when concreting, not have topping, and lean on the inboard reinforcing bar in tunnel usually to locate to make the reinforcing bar of this place's secondary lining perform practically no function to country rock one side gross distortion (shown in arrow direction among Fig. 2) at haunch etc.This phenomenon is ubiquity in the prior art, becomes a big common fault and a hidden danger of construction of tunnel quality.
The utility model content
In view of this; The purpose of the utility model provides a kind of pinpoint chassis of Tunnel Second Lining reinforcing bar binding that is used for; Utilize the accurate location and the colligation of this reinforcing bar binding chassis auxiliary reinforcement, overcome the hidden danger of quality of the construction of tunnel that invar muscle gross distortion brings in the prior art.
The purpose of the utility model realizes through following technical scheme: a kind of pinpoint chassis of Tunnel Second Lining reinforcing bar binding that is used for; Comprise stand; Fixedly install the support ring of arc on the said stand; Be disposed radially backstay on the support ring; Backstay is provided with the reinforcing bar draw-in groove, and said support ring is a plurality of and vertically (specifies: vertically be meant the direction along the tunnel described in the utility model) along stand and to be set up in parallel at the stand top, and said backstay is a plurality ofly evenly to be arranged on the support ring.
Further, a plurality of connecting holes are set vertically on the said backstay, backstay connects through the bolt of passing connecting hole;
Further, said draw-in groove is a plurality of axial distribution along backstay, and the spacing between each draw-in groove is 2-3cm;
Further, be fixedly connected removably through lock bolt between support ring and the backstay;
Further, comprise that also setting and stand bottom are used for the running roller of support stand walking.
The beneficial effect of the utility model: the utility model be used for the pinpoint chassis of Tunnel Second Lining reinforcing bar binding; Be used for auxiliary accurately location and fixing support ring and backstay owing on stand, be provided with; Under the situation of longitudinal rib accurately being located and fixing, the hoop muscle is accurately located with colligation fix again, prevent to lean on country rock one side and lean on the inboard reinforcing bar generation gross distortion in tunnel; Make the reinforcing bar of secondary lining can bring into play due effect fully; Guarantee to overcome the hidden danger of quality of the construction of tunnel that invar muscle gross distortion brings in the prior art, and adopted the chassis auxiliary construction of the utility model, improved efficiency of construction greatly.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Fig. 1 is the structural representation of existing reinforcing bar binding chassis;
Fig. 2 is for adopting the distortion sketch map of hoop muscle in the existing reinforcing bar binding chassis work progress;
Fig. 3 is used for the structural representation of the pinpoint chassis of Tunnel Second Lining reinforcing bar binding for the utility model;
Fig. 4 gets A to view among Fig. 3;
Fig. 5 gets P portion enlarged drawing among Fig. 3.
The specific embodiment
Fig. 1 is the structural representation of existing reinforcing bar binding chassis; Fig. 2 is for adopting the distortion sketch map of hoop muscle in the existing reinforcing bar binding chassis work progress; Fig. 3 is used for the structural representation of the pinpoint chassis of Tunnel Second Lining reinforcing bar binding for the utility model; Fig. 4 gets A to view among Fig. 3; Fig. 5 gets P portion enlarged drawing among Fig. 3.As shown in the figure: present embodiment be used for the pinpoint chassis of Tunnel Second Lining reinforcing bar binding; Comprise stand 1; Fixedly install the support ring 3 of arc on the stand 1, be disposed radially backstay 4 on the support ring, backstay is provided with reinforcing bar draw-in groove 6; Said support ring is a plurality of and vertically is set up in parallel at the stand top along stand, and said backstay is a plurality ofly evenly to be arranged on the support ring.
The described concrete method for using that is used for the pinpoint chassis of Tunnel Second Lining reinforcing bar binding of this embodiment is:
A, propelling are used for the pinpoint reinforcing bar binding chassis of Tunnel Second Lining Construction to constructing a little;
B, according to support ring to the distance of lining cutting outline, backstay 4 is fixed to the appropriate location on the support ring 3, make the backstay far-end near the lining cutting outline;
C, with the outer longitudinal register muscle of secondary lining Primary Location on the locating groove 6 of backstay;
The accuracy of d, the outer longitudinal register muscle of measurement position, and adjustment longitudinal register muscle are with its accurate location;
E, outer longitudinal register muscle and the backstay that will accurately locate tie;
F, go out the colligation point of outer hoop muscle at outer longitudinal register muscle subscript according to designing requirement;
G, from reinforcing bar binding chassis one side outer layer ring is transported to chassis top to muscle, the colligation point that on outer longitudinal register muscle, marks carries out colligation;
H, completion outer layer ring go out outer longitudinal rib spacing by design pitch at outer hoop muscle subscript again, and accomplish outer longitudinal rib colligation after muscle is fixing, promptly accomplish the accurate location colligation of secondary lining outer layer ring to muscle and outer longitudinal rib;
I, adopt and use the same method, repeating step c, d, e, f, g, h accomplish the colligation layout of secondary lining inner layer ring to muscle and internal layer longitudinal rib;
Frame force rib between j, the inside and outside layer of the colligation hoop muscle is accomplished the whole colligation work of reinforcing bar, and is accomplished the colligation work of ectonexine reinforcing bar and basic reserved steel bar; Welding manner is adopted in colligation;
K, remove the bind between backstay and the inside and outside layer longitudinal register muscle, remove unnecessary longitudinal register muscle, unload backstay and unnecessary longitudinal register muscle, chassis is advanced into new work plane to be continued to repeat to construct and gets final product.
Be used for auxiliary accurately location and fixing support ring and backstay owing on stand, be provided with; Under the situation of longitudinal rib accurately being located and fixing; Again the hoop muscle is accurately located with colligation and fix; Prevent to lean on country rock one side and lean on the inboard reinforcing bar generation gross distortion in tunnel, make the reinforcing bar of secondary lining can bring into play due effect fully, guaranteed to overcome the hidden danger of quality of the construction of tunnel that invar muscle gross distortion brings in the prior art; And the chassis auxiliary construction of employing the utility model, improved efficiency of construction greatly.
As further improvement to above-mentioned two embodiment, on the said backstay 4 a plurality of connecting holes are set vertically, backstay connects through the bolt of passing connecting hole.A plurality of connecting holes are set adjust the length of backstay between support ring and the lining cutting outline according to actual needs, strengthen its practicality.
As the further improvement to above-mentioned two embodiment, said draw-in groove 6 is a plurality of axial distribution along backstay, and the spacing between each draw-in groove is 2-3cm.The bar planting processing that a plurality of draw-in grooves can satisfy many longitudinal ribs simultaneously is set, improves and prick muscle efficient; Can also select simultaneously the position of longitudinal rib as required, enlarge the scope of application.
As further improvement, be fixedly connected removably through lock bolt 7 between support ring and the backstay above-mentioned two embodiment.Through the detachable connection of bolt, dismantle quick and convenient, convenient transportation.
As further improvement, also comprise the running roller 2 that is used for the support stand walking with the stand bottom is set to above-mentioned two embodiment.Running roller is set in stand bottom can directly promotes chassis and in the tunnel, walk, time saving and energy saving when moving, help improving the operating efficiency of reinforcing bar binding.
Explanation is at last; Above embodiment only in order to the explanation the utility model technical scheme and unrestricted, although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement the technical scheme of the utility model; Perhaps do any type of simple change, all do not break away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (5)
1. one kind is used for the pinpoint chassis of Tunnel Second Lining reinforcing bar binding; Comprise that stand (1) is characterized in that: the support ring (3) that fixedly installs arc on the stand (1); Be disposed radially backstay (4) on the support ring; Backstay is provided with reinforcing bar draw-in groove (6), and said support ring is a plurality of and vertically is set up in parallel at the stand top along stand, and said backstay is a plurality ofly evenly to be arranged on the support ring.
2. the pinpoint chassis of Tunnel Second Lining reinforcing bar binding that is used for according to claim 1, it is characterized in that: said backstay is provided with a plurality of connecting holes on (4) vertically, and backstay connects through the bolt of passing connecting hole.
3. the pinpoint chassis of Tunnel Second Lining reinforcing bar binding that is used for according to claim 2 is characterized in that: said draw-in groove (6) is a plurality of axial distribution along backstay, and the spacing between each draw-in groove is 2-3cm.
4. the pinpoint chassis of Tunnel Second Lining reinforcing bar binding that is used for according to claim 3 is characterized in that: be fixedly connected removably through lock bolt (7) between support ring and the backstay.
5. the pinpoint chassis of Tunnel Second Lining reinforcing bar binding that is used for according to claim 4 is characterized in that: also comprise the running roller (2) that is used for the support stand walking with the stand bottom is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120422373XU CN202300426U (en) | 2011-10-31 | 2011-10-31 | Trolley for precisely positioning colligated secondarily lined steel bars of tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120422373XU CN202300426U (en) | 2011-10-31 | 2011-10-31 | Trolley for precisely positioning colligated secondarily lined steel bars of tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202300426U true CN202300426U (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120422373XU Expired - Fee Related CN202300426U (en) | 2011-10-31 | 2011-10-31 | Trolley for precisely positioning colligated secondarily lined steel bars of tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202300426U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867214A (en) * | 2013-11-21 | 2014-06-18 | 上海市基础工程集团有限公司 | Construction method for carrying out secondary lining and casting in shielded tunnel |
| CN105736016A (en) * | 2016-04-27 | 2016-07-06 | 中铁四局集团第一工程有限公司 | Tunnel secondary lining steel bar framework construction equipment and application thereof |
| CN107100648A (en) * | 2017-06-23 | 2017-08-29 | 中铁第四勘察设计院集团有限公司 | Tunnel plain concrete lining construction auxiliary equipment and method |
| CN108035735A (en) * | 2017-11-30 | 2018-05-15 | 中国冶集团有限公司 | A kind of tunnel double-lining reinforcing bar accurate positioning device and method |
-
2011
- 2011-10-31 CN CN201120422373XU patent/CN202300426U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867214A (en) * | 2013-11-21 | 2014-06-18 | 上海市基础工程集团有限公司 | Construction method for carrying out secondary lining and casting in shielded tunnel |
| CN105736016A (en) * | 2016-04-27 | 2016-07-06 | 中铁四局集团第一工程有限公司 | Tunnel secondary lining steel bar framework construction equipment and application thereof |
| CN105736016B (en) * | 2016-04-27 | 2018-01-19 | 中铁四局集团第一工程有限公司 | Tunnel double-lining framework of steel reinforcement construction equipment and its application |
| CN107100648A (en) * | 2017-06-23 | 2017-08-29 | 中铁第四勘察设计院集团有限公司 | Tunnel plain concrete lining construction auxiliary equipment and method |
| CN107100648B (en) * | 2017-06-23 | 2024-03-12 | 中铁第四勘察设计院集团有限公司 | Auxiliary facility and method for tunnel plain concrete lining construction |
| CN108035735A (en) * | 2017-11-30 | 2018-05-15 | 中国冶集团有限公司 | A kind of tunnel double-lining reinforcing bar accurate positioning device and method |
| CN108035735B (en) * | 2017-11-30 | 2020-06-16 | 中国一冶集团有限公司 | Tunnel secondary lining steel bar accurate positioning device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20171031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |