CN113389284A - High-speed railway roadbed contact net foundation construction complete tooling and installation method thereof - Google Patents

High-speed railway roadbed contact net foundation construction complete tooling and installation method thereof Download PDF

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Publication number
CN113389284A
CN113389284A CN202110891049.0A CN202110891049A CN113389284A CN 113389284 A CN113389284 A CN 113389284A CN 202110891049 A CN202110891049 A CN 202110891049A CN 113389284 A CN113389284 A CN 113389284A
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steel plate
positioning
catenary
positioning steel
positioning frame
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曾守仙
岳崇
张永晓
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Shanghai Civil Engineering Co Ltd of CREC
Huahai Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
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Shanghai Civil Engineering Co Ltd of CREC
Huahai Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00—General structure of permanent way
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/42—Foundations for poles, masts or chimneys
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/16—Tools or apparatus
    • E04G21/18—Adjusting tools; Templates

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  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
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  • General Engineering & Computer Science (AREA)
  • Road Paving Structures (AREA)

Abstract

本发明涉及高速铁路路基接触网基础施工技术领域，具体来说是一种高速铁路路基接触网基础施工成套工装及其安装方法，其特征在于包括侧模，所述侧模由长边模板和短边模板组成，长边模板上开设有若干条形孔；定位架，定位架上开设有若干条形孔；定位钢板，定位钢板中间切割有方形孔，方形孔四角设置倒角，定位钢板上还设有若干小孔，沿方形孔两侧布置；调节螺栓，穿过定位架的条形孔与定位钢板连接，其优点在于：本发明操作简便，可大大减少安装预埋接触网地脚螺栓的时间；定位准确，保证接触网预埋地脚螺栓位置标准，减少不合格品出现；能保证混凝土浇筑后接触网基础平整有型，提高标准化施工质量。

Figure 202110891049

The invention relates to the technical field of high-speed railway roadbed catenary foundation construction, in particular to a complete set of tooling for high-speed railway roadbed catenary foundation construction and an installation method thereof, which is characterized by comprising a side form, the side form being composed of a long-side formwork and a short-side formwork. It is composed of side formwork, the long side formwork is provided with a number of strip holes; the positioning frame, the positioning frame is provided with a number of strip holes; the positioning steel plate, the positioning steel plate has square holes cut in the middle, the four corners of the square hole are provided with chamfers, and the positioning steel plate is also There are a number of small holes arranged along both sides of the square hole; the adjusting bolts are connected to the positioning steel plate through the strip holes of the positioning frame, and the advantages are: the invention is easy to operate and can greatly reduce the installation and installation of the pre-embedded catenary anchor bolts. Time; accurate positioning, ensuring the standard position of the catenary pre-embedded anchor bolts, reducing the occurrence of unqualified products; ensuring that the catenary foundation is flat and stylish after concrete pouring, and improving the standardized construction quality.

Figure 202110891049

Description

High-speed railway roadbed contact net foundation construction complete tooling and installation method thereof
Technical Field
The invention relates to the technical field of high-speed railway roadbed contact net foundation construction, in particular to a high-speed railway roadbed contact net foundation construction complete set tool and an installation method thereof.
Background
At present, in the high-speed railway roadbed contact net foundation construction process, the construction of traditional plank sheathing/steel form is mostly adopted, for the requirement of controlling pre-buried contact net rag bolt positioning error 1mm, need spend a large amount of manpower and materials to adjust the reinforcement to the template in the template installation process, the template often warp the aversion in concrete placement process when consolidating insecure, and pre-buried bolt position is difficult to guarantee. The position deviation of the embedded bolt of the contact net foundation is large, and the rework condition is more.
Disclosure of Invention
The invention aims to improve the foundation construction quality and efficiency of a roadbed contact net and ensure the embedding accuracy of embedded foundation bolts.
In order to achieve the purpose, the complete set of tooling for foundation construction of the high-speed railway roadbed contact network is designed and is characterized by comprising a side mold, wherein the side mold consists of a long-edge template and a short-edge template, and a plurality of strip-shaped holes are formed in the long-edge template; the positioning frame is provided with a plurality of strip-shaped holes; the positioning steel plate is cut with a square hole in the middle, chamfers are arranged at four corners of the square hole, and a plurality of small holes are formed in the positioning steel plate and are arranged along two sides of the square hole; and the adjusting bolt penetrates through the strip-shaped hole of the positioning frame and is connected with the positioning steel plate.
Preferably, the side mould is installed at the lofting position of the contact net, and the embedded foundation bolts of the contact net are placed in the side mould.
Preferably, the positioning steel plate is welded around the connecting steel plate after being accurately aligned by two or more positioning steel plates, the positioning steel plate is in bolt connection with the positioning frame, and the positioning steel plate is installed on the side mold after being connected.
Preferably, the anchor bolts of the contact net penetrate into holes of the positioning steel plate and are fixed on the positioning steel plate by nuts.
Preferably, the bar hole on the side form is used for adjusting the longitudinal position of the positioning steel plate, the positioning frame is firmly connected with the side form by bolts, the bar hole on the positioning frame is used for adjusting the transverse position of the positioning steel plate, the height of the anchor bolt of the embedded contact net is vertically positioned by a screw, and then the anchor bolt is vertically fixed by a nut on the screw.
The installation method of the complete set of tool comprises the following steps:
A. installing a side mold according to a lofting position of a contact network, and placing embedded foundation bolts of the contact network into the template;
B. the positioning steel plate is connected with the positioning frame through bolts and then is installed on the side mold;
C. the anchor bolts of the contact net penetrate into the holes of the positioning steel plates and are fixed on the upper and lower parts of the positioning steel plates by nuts;
D. after the longitudinal position of the positioning steel plate is adjusted to be in accordance with the design by using the strip-shaped holes on the side mold, the positioning frame is firmly connected with the side mold by using bolts;
E. after the transverse position of the positioning steel plate is adjusted by using the strip-shaped hole on the positioning frame to be consistent with the design, the height of the anchor bolt of the pre-buried contact net is positioned up and down by using an M16 screw to be consistent with the design, and then the anchor bolt is fixed up and down by using a nut on the screw;
F. and (6) pouring a contact net foundation.
Compared with the prior art, the invention has the advantages that: the method is simple and convenient to operate, and the time for installing the foundation bolts of the embedded contact net can be greatly reduced; the positioning is accurate, the position standard of the embedded foundation bolts of the contact net is ensured, and unqualified products are reduced; the contact net foundation can be guaranteed to be flat and shaped after concrete pouring, and standardized construction quality is improved.
Drawings
FIG. 1 is a detailed structure diagram of a contact network foundation construction complete set of tooling of the invention;
FIG. 2 is a top view of the contact network foundation construction complete tooling of the invention;
FIG. 3 is a plan view of the positioning plate and the adjusting bolt of the present invention;
FIG. 4 is a perspective view of the positioning plate and the adjusting bolt of the present invention;
FIG. 5 is a plan view of the positioning frame of the present invention;
FIG. 6 is a perspective view of the positioning frame of the present invention;
FIG. 7 is a cross-sectional view of the positioning frame of the present invention;
in the figure: 1. the method comprises the following steps of a long-edge template, 2 a short-edge template, 3 a positioning frame, 4 adjusting bolts, 5 upper adjusting nuts, 6 lower adjusting nuts, 7 positioning steel plates, 8 embedded part foundation bolts, 9 lower foundation bolt nuts and 10 upper foundation bolt nuts.
Detailed Description
The present invention is further described below in conjunction with the following drawings, the structure and principle of which will be apparent to those skilled in the art. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the design of the present invention mainly consists of four parts, which are respectively: the side mould, locating rack 3, locating steel plate 7, adjusting bolt 4 constitute.
As shown in fig. 2, the side form includes 2 long side forms 1 and 2 short side forms 2, and the template back rib adopts angle steel L50x3, and long side form top surface adopts angle steel L70x5 to be the back rib, and L70x5 angle steel is last to open has four bar holes of length 100mm wide 18mm, and the hole site can be adjusted according to different contact net foundations.
As shown in fig. 5-7, the positioning frame 3 is processed by 2 pieces of 100mm channel steel, 4 strip-shaped holes with the length of 81mm and the width of 18mm are formed in each channel steel, and the strip-shaped holes can be adjusted according to different types of contact net foundations.
As shown in fig. 3 and 4, the positioning steel plate 7 is a steel plate with a thickness of 10mm, 10 holes with a diameter of 40mm are formed in the two steel plates according to the positions of the embedded foundation bolts, and 2 positioning steel plates are welded around the connecting steel plate after being accurately aligned. The square hole is cut in the middle of the positioning steel plate 7, the four corners of the square hole are provided with chamfers, the square hole is used for pouring concrete, the weight of the tool is reduced, the size of the opening hole can be adjusted according to the embedded foundation bolt hole, and four M16 adjusting bolts 4 with the welding length of 310mm are welded above the steel plate. The position, the size and the number of the bolt holes in the steel plate can be adjusted according to different contact net foundations, so that the steel plate is suitable for contact net foundations of different models.
When the foundation construction of the contact network of the high-speed railway roadbed is carried out, the complete set of tooling of the embodiment can be installed through the following steps.
As shown in fig. 2, a long-side die 1 and a short-side die 2 are installed according to a lofting position of a contact network, the long-side die 1 and the short-side die 2 are firmly connected through bolts, and anchor bolts 8 embedded in the contact network are placed in a template;
the positioning steel plate 7 is connected with the positioning frame 3 through an adjusting bolt 4 welded on the positioning steel plate 7, and the positioning steel plate and the positioning frame are installed on a side die after being connected;
an anchor bolt 8 of the contact net penetrates through a hole of the positioning steel plate 7, and is fixed on the positioning steel plate 7 by adopting an anchor bolt lower nut 9 and an anchor bolt upper nut 10;
the position of the positioning frame 3 is adjusted by using the strip-shaped holes on the long-edge side die 2, and after the longitudinal position of the positioning steel plate 7 is matched with the design, the positioning frame 3 and the long-edge side die 2 are firmly connected by adopting bolts.
After the transverse position of the positioning steel plate 7 is adjusted by using the strip-shaped hole in the positioning frame 3 to be consistent with the design, the height of the anchor bolt of the embedded contact net is adjusted to be consistent with the design by using the upper adjusting nut 5 and the lower adjusting nut 6 on the adjusting bolt 4, and then the anchor bolt is fixed up and down by using the upper adjusting nut 5 and the lower adjusting nut 6.
As shown in fig. 2, the contact net foundation concrete is poured from a square hole in the middle of the positioning steel plate 7.

Claims (6)

1.一种高速铁路路基接触网基础施工成套工装，其特征在于包括1. a complete set of tooling for high-speed railway roadbed catenary foundation construction, is characterized in that comprising 侧模，所述侧模由长边模板和短边模板组成，长边模板上开设有若干条形孔；a side mold, the side mold is composed of a long-side template and a short-side template, and a number of strip holes are opened on the long-side template; 定位架，定位架上开设有若干条形孔；Positioning frame, a number of strip holes are opened on the positioning frame; 定位钢板，定位钢板中间切割有方形孔，方形孔四角设置倒角，定位钢板上还设有若干小孔，沿方形孔两侧布置；Positioning steel plate, a square hole is cut in the middle of the positioning steel plate, the four corners of the square hole are provided with chamfers, and there are several small holes on the positioning steel plate, which are arranged along both sides of the square hole; 调节螺栓，穿过定位架的条形孔与定位钢板连接。Adjust the bolts to connect with the positioning steel plate through the strip holes of the positioning frame. 2.如权利要求1所述的一种高速铁路路基接触网基础施工成套工装，其特征在于侧模安装在接触网放样位置，接触网预埋地脚螺栓放入侧模内。2. A complete set of tooling for high-speed railway subgrade catenary foundation construction as claimed in claim 1, characterized in that the side formwork is installed at the catenary lofting position, and the catenary pre-embedded anchor bolts are put into the side formwork. 3.如权利要求1或2所述的一种高速铁路路基接触网基础施工成套工装，其特征在于定位钢板由两块或两块以上定位钢板精确对位后用连接钢板沿周围进行焊接，定位钢板与定位架进行螺栓连接，连接后采用安装到侧模上。3. a kind of high-speed railway subgrade catenary foundation construction complete set of tooling as claimed in claim 1 or 2, it is characterized in that the positioning steel plate is by two or more than two positioning steel plates to be precisely aligned and then welded along the periphery with connecting steel plates, positioning The steel plate is bolted to the positioning frame, and then installed on the side mold after connection. 4.如权利要求2所述的一种高速铁路路基接触网基础施工成套工装，其特征在于接触网地脚螺栓穿入定位钢板孔中，采用螺母在定位钢板上、下进行固定。4. A complete set of tooling for high-speed railway subgrade catenary foundation construction according to claim 2, characterized in that the catenary anchor bolts are inserted into the holes of the positioning steel plate, and nuts are used to fix on the positioning steel plate. 5.如权利要求1-4任一所述的一种高速铁路路基接触网基础施工成套工装，其特征在于侧模上的条形孔用于调节定位钢板纵向位置，采用螺栓将定位架与侧模进行连接牢固，定位架上的条形孔用于调节定位钢板横向位置，用螺杆上下定位预埋接触网地脚螺栓高度，然后利用螺杆上的螺母上下固定。5. A complete set of tooling for the construction of a high-speed railway subgrade catenary foundation according to any one of claims 1 to 4, characterized in that the strip holes on the side mold are used to adjust the longitudinal position of the positioning steel plate, and bolts are used to connect the positioning frame to the side. The mold is connected firmly, the strip hole on the positioning frame is used to adjust the lateral position of the positioning steel plate, the height of the pre-embedded catenary anchor bolt is positioned up and down with the screw rod, and then fixed up and down with the nut on the screw rod. 6.一种采用权利要求1-5所述成套工装的安装方法，其特征在于所述方法具体如下：6. an installation method that adopts the described complete set of tooling of claim 1-5, it is characterized in that described method is as follows: A.根据接触网放样位置安装侧模，接触网预埋地脚螺栓放入模板内；A. Install the side formwork according to the lofting position of the catenary, and put the pre-embedded anchor bolts of the catenary into the formwork; B.定位钢板与定位架进行螺栓连接，连接后采用安装到侧模上；B. The positioning steel plate and the positioning frame are bolted and installed on the side mold after connection; C.接触网地脚螺栓穿入定位钢板孔中，采用螺母在定位钢板上、下进行固定；C. The catenary anchor bolts are inserted into the holes of the positioning steel plate, and the nuts are fixed on the upper and lower parts of the positioning steel plate; D.使用侧模上的条形孔调节定位钢板纵向位置与设计相符后，采用螺栓将定位架与侧模进行连接牢固；D. Use the strip holes on the side mold to adjust the longitudinal position of the positioning steel plate to match the design, and use bolts to connect the positioning frame and the side mold firmly; E.使用定位架上的条形孔调节定位钢板横向位置与设计相符后，用M16螺杆上下定位预埋接触网地脚螺栓高度与设计相符，然后利用螺杆上的螺母上下固定；E. Use the strip holes on the positioning frame to adjust the horizontal position of the positioning steel plate to match the design, use the M16 screw to position the pre-embedded catenary anchor bolts up and down in accordance with the design, and then use the nuts on the screw to fix it up and down; F.浇筑接触网基础。F. Pouring catenary foundation.
CN202110891049.0A 2021-04-21 2021-08-04 High-speed railway roadbed contact net foundation construction complete tooling and installation method thereof Pending CN113389284A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115748719A (en) * 2022-11-29 2023-03-07 中交路桥建设有限公司 Device and method for accurately positioning contact net foundation of railway roadbed

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09302674A (en) * 1996-05-20 1997-11-25 Sumitomo Forestry Co Ltd Anchor bolt positioning tool and method
CN202055258U (en) * 2011-04-29 2011-11-30 中国葛洲坝集团股份有限公司 Accurate sample frame for positioning pre-embedded bolts of contact network stand column foundation
CN108643217A (en) * 2018-05-04 2018-10-12 中铁三局集团有限公司 A kind of high-speed railway subgrade contact net upright post basic construction method
CN208183782U (en) * 2018-04-24 2018-12-04 中铁十六局集团第二工程有限公司 A kind of fixed device of the foundation bolt of contact net basic
CN215330532U (en) * 2021-04-21 2021-12-28 中铁上海工程局集团有限公司 High-speed railway roadbed contact net foundation construction complete set tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09302674A (en) * 1996-05-20 1997-11-25 Sumitomo Forestry Co Ltd Anchor bolt positioning tool and method
CN202055258U (en) * 2011-04-29 2011-11-30 中国葛洲坝集团股份有限公司 Accurate sample frame for positioning pre-embedded bolts of contact network stand column foundation
CN208183782U (en) * 2018-04-24 2018-12-04 中铁十六局集团第二工程有限公司 A kind of fixed device of the foundation bolt of contact net basic
CN108643217A (en) * 2018-05-04 2018-10-12 中铁三局集团有限公司 A kind of high-speed railway subgrade contact net upright post basic construction method
CN215330532U (en) * 2021-04-21 2021-12-28 中铁上海工程局集团有限公司 High-speed railway roadbed contact net foundation construction complete set tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115748719A (en) * 2022-11-29 2023-03-07 中交路桥建设有限公司 Device and method for accurately positioning contact net foundation of railway roadbed

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