CN110700319A - Comprehensive pipe gallery is with unilateral formwork frock - Google Patents
Comprehensive pipe gallery is with unilateral formwork frock Download PDFInfo
- Publication number
- CN110700319A CN110700319A CN201911150544.5A CN201911150544A CN110700319A CN 110700319 A CN110700319 A CN 110700319A CN 201911150544 A CN201911150544 A CN 201911150544A CN 110700319 A CN110700319 A CN 110700319A
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- section
- straight rod
- rod section
- formwork
- positioning
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
Abstract
The invention provides a unilateral formwork supporting tool for a comprehensive pipe gallery. Comprises a pull rod, a water stop sheet, a conical positioning nut, a butterfly clamp and a locking nut; the pull rod comprises a positioning section and a straight rod section, the positioning section comprises two clamping jaws extending at the same side and used for limiting the front row of main bars and the rear row of main bars of the steel bar frame and reinforcing the strength of the steel bar frame, the clamping jaws are U-shaped and used for being clamped on the corresponding main bars and fixed relative to the main bars, the straight rod section penetrates through the template assembly, external threads are arranged on the straight rod section, a water stop sheet is fixed on one section of the straight rod section, which is positioned in the steel bar frame, a conical positioning nut is screwed on the straight rod section and used for being in stop fit with the rear side face of the template, a butterfly sleeve is sleeved on one side of the straight rod section, which is far away from the positioning section, and a locking nut is screwed on the straight rod section and used for pressing the butterfly clamp on double rows of. The formwork support device has the advantages of no need of erecting a steel pipe frame, convenience and rapidness in formwork support, small occupied volume, suitability for formwork support of various heights and high formwork support quality.
Description
Technical Field
The invention relates to a single-side formwork supporting tool for a comprehensive pipe gallery.
Background
Urban land resources are precious, the distance between the outer wall of a plurality of comprehensive pipe galleries and a ground red line is short, and meanwhile, vertical support is widely adopted along with the development of deep foundation pit support technology. The utility tunnel is an underground city pipeline utility tunnel, namely, a tunnel space is built underground the city, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the utility tunnel is an important infrastructure and a 'lifeline' for guaranteeing city operation. Therefore, the construction of the outer wall of the utility tunnel is difficult to realize by adopting the double-side formwork, so that the single-side formwork is widely used. The traditional single-side formwork process adopts steel pipes to set up bent frames as a supporting system of a formwork, a cavity for pouring concrete is formed by single-side formwork support in a comprehensive pipeline so as to surround the cavity between the formwork and a wall, a reinforcing steel frame is placed in the cavity, the concrete is poured from the upper side after the formwork support is completed, and a reinforced concrete bearing wall is formed by the concrete and the reinforcing steel frame after the concrete is solidified. And for a wall formwork with a large height, the construction difficulty is higher.
Disclosure of Invention
In order to solve the problems, the invention provides a single-side formwork supporting tool for a comprehensive pipe gallery, which does not need to set up a steel pipe frame, is convenient and quick for formwork supporting, small in occupied volume, suitable for formwork supporting at various heights and high in formwork supporting quality.
The technical scheme of the invention is realized as follows: the utility model provides a unilateral formwork supporting tool for a comprehensive pipe gallery, which comprises a pull rod, a water stop sheet, a conical positioning nut, a butterfly clamp and a locking nut;
the pull rod comprises a positioning section and a straight rod section, wherein the positioning section comprises two clamping jaws extending at the same side and used for limiting the front row of main bars and the rear row of main bars of the steel bar frame and reinforcing the strength of the steel bar frame, the clamping jaws are U-shaped and used for being clamped on the corresponding main bars and fixed relative to the main bars, the straight rod section penetrates through the template assembly, external threads are arranged on the straight rod section, a water stop sheet is fixed on one section of the straight rod section, which is positioned in the steel bar frame, a conical positioning nut is screwed on the straight rod section and used for being matched with a rear side stop of the template in a blocking manner, a butterfly sleeve is sleeved on one side of the straight rod section, which is far away from the positioning section, and a locking nut is screwed on the straight rod section and used for pressing the butterfly clamp on double.
Furthermore, the pull rod is formed by welding waste steel bars.
Furthermore, the positioning section is used for being welded and fixed with the corresponding main rib.
Further, the water stop sheet is welded and fixed with the straight rod section.
Further, the cone-shaped positioning nut comprises a cone-shaped plastic sleeve and a split nut which is arranged in the cone-shaped plastic sleeve.
By adopting the technical scheme, the invention has the beneficial effects that: compared with the prior art, the steel pipe frame does not need to be erected, the spacing between the main reinforcements is reinforced and controlled through the positioning section, and the spacing between the steel reinforcement framework and the template are integrally controlled to reinforce the template; the problems that in the construction process of a main body structure of an urban comprehensive pipe gallery, a steel pipe erection bent frame is adopted as a template support system in the traditional single-side formwork process, the number of used steel pipes is large, the erection period is long, the height of a formwork for one-time erection is low, the defects of upward floating of a template, expansion of the formwork, poor flatness and verticality of a concrete wall surface and the like easily occur, and the construction quality is difficult to guarantee are solved; the formwork supporting device has the advantages of convenience and rapidness in formwork supporting, small occupied size, suitability for formwork supporting of various heights and high formwork supporting quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic longitudinal cross-sectional view of a single side die set for a utility tunnel according to the present invention in use;
wherein: 21-pull rod, 211-positioning section, 212-straight rod section, 22-water stop sheet, 23-conical positioning nut, 24-butterfly card, 25-locking nut, 3-reinforcing steel bar frame, 31-front row reinforcing steel bar, 32-rear row reinforcing steel bar, 4-template component, 41-template, 42-square wood, 43-square tube, 44-double-row steel tube, 5-waterproof layer and 6-flexible cushion block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a specific embodiment of a unilateral formwork supporting tool for a comprehensive pipe gallery, which comprises the following steps: as shown in figure 1, the utility tunnel is with unilateral formwork frock, including pull rod 21, waterstop 22, toper set nut 23, butterfly card 24 and lock nut 25.
The tie bar 21 comprises a positioning section 211 and a straight bar section 212, the positioning section 211 comprises two clamping jaws extending on the same side and used for limiting the front row of main bars and the rear row of main bars of the steel bar frame 3 and reinforcing the strength of the steel bar frame 3, the clamping jaws are U-shaped and used for being clamped on the corresponding main bars and being fixed relative to the main bars, the straight bar section 212 penetrates through the formwork assembly 4, the straight bar section 212 is provided with external threads, the water stop sheet 22 is fixed on one section of the straight bar section 212 positioned in the steel bar frame 3, the tapered positioning nut 23 is screwed on the straight bar section 212 and used for being in stop fit with the rear side face of a formwork, the butterfly clip 24 is sleeved on one side of the straight bar section 212 far away from the positioning section 211, and the locking nut 25 is screwed on the straight bar section 212 and used for pressing the butterfly clip 24 on the double-row steel pipes of the formwork assembly. The pull rod 21 is formed by welding waste steel bars. The positioning section 211 is used for being welded and fixed with the corresponding main rib. The water stop sheet 22 is welded and fixed with the straight rod section 212. The tapered retention nut 23 includes a tapered plastic sleeve and a split nut built into the tapered plastic sleeve.
Wherein: the pull rod 21 is made on site by selecting proper steel bar waste according to the size of the main structure. The pull rod 21 is made of an M14 screw and is customized according to the component design drawing and the main structure size of the pipe gallery.
When in use: firstly, constructing a foundation pit supporting process, and constructing guard piles, inter-pile concrete, a waterproof layer 5 and other processes; secondly, binding horizontal ribs and vertical ribs of the steel bar frame 3, binding flexible cushion blocks 6 on the main ribs, respectively clamping the pull rod on the front row of steel bars and the rear row of steel bars through two clamping claws of the pull rod, and welding and fixing the pull rod to fix the space between the main ribs and ensure the rigidity of the wall body steel bar framework; and then installing a conical positioning nut 23, a template 41, a square timber 42, a square pipe 43, a double-row steel pipe 44, a butterfly clamp 24 and a locking nut 25 in sequence, welding a water stop sheet 22 on a positioning section 211 of the pull rod when leaving a factory, ensuring the thickness of a steel bar protection layer by tightly attaching the conical positioning nut 23 to the rear side of the template 41, clamping the double-row steel pipe 44 by the butterfly clamp 24, and reinforcing the template 41 by adjusting the locking nut 25. The method has the advantages that a steel pipe frame is not required to be erected, and the problems that in the construction process of the main body structure of the comprehensive pipe gallery, a steel pipe erecting bent frame is adopted as a template 41 supporting system in the traditional single-side formwork erecting process, the number of used steel pipes is large, the erecting period is long, the height of a formwork for one-time erecting is low, the defects of upward floating of the template 41, expansion of the formwork, poor flatness and verticality of a concrete wall surface and the like are prone to occurring, the construction quality is difficult to guarantee, and the; the formwork supporting device has the advantages of convenience and rapidness in formwork supporting, small occupied size, suitability for formwork supporting of various heights and high formwork supporting quality.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The single-side formwork supporting tool for the comprehensive pipe gallery is characterized by comprising a pull rod, a water stop sheet, a conical positioning nut, a butterfly clamp and a locking nut;
the pull rod comprises a positioning section and a straight rod section, wherein the positioning section comprises two clamping jaws extending at the same side and used for limiting the front row of main bars and the rear row of main bars of the steel bar frame and reinforcing the strength of the steel bar frame, the clamping jaws are U-shaped and used for being clamped on the corresponding main bars and fixed relative to the main bars, the straight rod section penetrates through the template assembly, external threads are arranged on the straight rod section, a water stop sheet is fixed on one section of the straight rod section, which is positioned in the steel bar frame, a conical positioning nut is screwed on the straight rod section and used for being matched with a rear side stop of the template in a blocking manner, a butterfly sleeve is sleeved on one side of the straight rod section, which is far away from the positioning section, and a locking nut is screwed on the straight rod section and used for pressing the butterfly clamp on double.
2. The utility model discloses a single side formwork frock for utility tunnel of claim 1, characterized in that, the pull rod is formed through old and useless reinforcing bar welding.
3. The utility model discloses a single side formwork frock for utility tunnel of claim 2, characterized in that, the positioning section is used for with the main muscle welded fastening that corresponds.
4. The utility model provides a single side formwork frock for utility tunnel of any one of claims 1-3, characterized in that, the waterstop is fixed with straight rod section welding.
5. The utility model discloses a unilateral formwork frock for utility tunnel of any one of claims 1-3, characterized in that, toper set nut includes toper plastic sheath and built-in counter-pulling nut in the toper plastic sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911150544.5A CN110700319A (en) | 2019-11-21 | 2019-11-21 | Comprehensive pipe gallery is with unilateral formwork frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911150544.5A CN110700319A (en) | 2019-11-21 | 2019-11-21 | Comprehensive pipe gallery is with unilateral formwork frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110700319A true CN110700319A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911150544.5A Pending CN110700319A (en) | 2019-11-21 | 2019-11-21 | Comprehensive pipe gallery is with unilateral formwork frock |
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| CN (1) | CN110700319A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459469A (en) * | 2020-11-26 | 2021-03-09 | 中国一冶集团有限公司 | Embedded device for eliminating single-side formwork offset joint and using method thereof |
| CN113250243A (en) * | 2021-06-04 | 2021-08-13 | 中建七局安装工程有限公司 | Comprehensive pipe gallery foundation pit single-side formwork construction method |
| CN114086761A (en) * | 2021-10-11 | 2022-02-25 | 中建四局土木工程有限公司 | Template supporting structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061505A (en) * | 2013-01-14 | 2013-04-24 | 河北省第四建筑工程公司 | Multifunctional split bolt and application thereof |
| CN103669655A (en) * | 2013-12-24 | 2014-03-26 | 山东万鑫建设有限公司 | Construction technology for pouring concrete of walls on two sides of deformation joint |
| CN211057855U (en) * | 2019-11-21 | 2020-07-21 | 中国建筑第七工程局有限公司 | Comprehensive pipe gallery is with unilateral formwork frock |
-
2019
- 2019-11-21 CN CN201911150544.5A patent/CN110700319A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061505A (en) * | 2013-01-14 | 2013-04-24 | 河北省第四建筑工程公司 | Multifunctional split bolt and application thereof |
| CN103669655A (en) * | 2013-12-24 | 2014-03-26 | 山东万鑫建设有限公司 | Construction technology for pouring concrete of walls on two sides of deformation joint |
| CN211057855U (en) * | 2019-11-21 | 2020-07-21 | 中国建筑第七工程局有限公司 | Comprehensive pipe gallery is with unilateral formwork frock |
Non-Patent Citations (1)
| Title |
|---|
| 辛鹏飞;吴刚;李静;霍继炜;刘开锋;: "城市综合管廊穿越狭小特殊地段新型单侧支模施工技术应用", 建筑结构, no. 2, pages 979 - 983 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459469A (en) * | 2020-11-26 | 2021-03-09 | 中国一冶集团有限公司 | Embedded device for eliminating single-side formwork offset joint and using method thereof |
| CN113250243A (en) * | 2021-06-04 | 2021-08-13 | 中建七局安装工程有限公司 | Comprehensive pipe gallery foundation pit single-side formwork construction method |
| CN114086761A (en) * | 2021-10-11 | 2022-02-25 | 中建四局土木工程有限公司 | Template supporting structure |
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Address after: No.267, 15th Street, Jingkai, Zhengzhou, Henan Province, 450000 Applicant after: CHINA CONSTRUCTION SEVENTH ENGINEERING DIVISION Corp.,Ltd. Address before: 450000 No. 116 Chengdong Road, Jinshui District, Henan, Zhengzhou Applicant before: CHINA CONSTRUCTION SEVENTH ENGINEERING DIVISION Corp.,Ltd. |