CN216765597U - A construction structures for prefabricated bent cap installation of segmentation - Google Patents

A construction structures for prefabricated bent cap installation of segmentation Download PDF

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Publication number
CN216765597U
CN216765597U CN202123241030.6U CN202123241030U CN216765597U CN 216765597 U CN216765597 U CN 216765597U CN 202123241030 U CN202123241030 U CN 202123241030U CN 216765597 U CN216765597 U CN 216765597U
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China
Prior art keywords
bracket
bent cap
distribution beam
main distribution
way
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CN202123241030.6U
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Chinese (zh)
Inventor
李江
曾学艺
周涛
禹辉
刘成
孙凤祥
王晓敏
吕新阳
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Changsha Urban Investment Infrastructure Construction Project Management Co ltd
China Railway Major Bridge Engineering Group Co Ltd MBEC
5th Engineering Co Ltd of MBEC
Original Assignee
Changsha Urban Investment Infrastructure Construction Project Management Co ltd
China Railway Major Bridge Engineering Group Co Ltd MBEC
5th Engineering Co Ltd of MBEC
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Priority to CN202123241030.6U priority Critical patent/CN216765597U/en
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Abstract

The utility model discloses a construction structure for mounting a sectional prefabricated bent cap, which comprises a stand column, brackets, steel bars, a vertical pull rod, a main distribution beam, a short distribution beam, a protection platform, a three-way jack, a cushion block and a sectional prefabricated bent cap, wherein the brackets are fixed on the outer side of the stand column by the steel bars penetrating through the stand column, and the brackets on each side are anchored by an upper steel bar and a lower steel bar; the main distribution beam and the bracket are locked by a vertical pull rod to form a stable structure; two three-way jacks are arranged at the top of each group of short distribution beams, two cushion blocks are arranged on the outer sides of the three-way jacks to serve as anti-falling measures, and the three-way jacks are used for adjusting the elevation of the sectional precast capping beam. The sectional prefabricated bent cap is reasonable in structure arrangement, convenient to install and disassemble, accurate and stable in installation, simple and convenient to adjust, safe and trouble-saving in use and capable of enabling the sectional prefabricated bent cap to be installed more accurately and stably.

Description

A construction structures for prefabricated bent cap installation of segmentation
Technical Field
The utility model relates to the field of construction of assembled bridges, in particular to a construction structure for mounting a segmented prefabricated bent cap.
Background
With the continuous development of bridge construction technology in China, the assembled bridge representing the development direction of industrialized, mechanized, green and rapid construction gradually becomes the first choice for municipal bridge construction. The prefabricated capping beam suitable for the prefabricated bridge beam frame facility workers is being popularized and applied, and due to the fact that the size of the prefabricated capping beam is large and the weight of the prefabricated capping beam is large, construction needs to be conducted in a segmented hoisting mode in construction, and hoisting weight in the construction process is reduced. The installation of the large prefabricated bent cap is still a difficult problem in construction, and the conventional prefabricated bent cap hoisting scheme adopts a large floor support and utilizes a large crane to carry out sectional hoisting construction, so that the defects that the floor support needs a large amount of manpower and material resources for building, the large crane is difficult to occupy the urban road, and the plane position and the verticality of the prefabricated bent cap need to be repeatedly adjusted in the hoisting and installation process; the construction process is complicated, the time for occupying a large crane is long, the safety risk is high, the positioning precision is low, and the rapid construction is not facilitated; the traffic jam is easily caused by long-time road occupation construction.
Disclosure of Invention
The utility model aims to provide a construction structure which is used for mounting a sectional prefabricated bent cap, improves the positioning accuracy of the sectional bent cap, is simple to operate, is safe and convenient, and avoids the problems of adopting a floor stand and using a large crane for a long time.
The purpose of the utility model is realized as follows:
a construction structures for installation of segmentation precast bent cap, the characteristic is: including stand, bracket, rod iron, vertical pull rod, main distribution beam, short distribution beam, protection platform, three-way jack, cushion and segmentation precast bent cap, wherein:
wear to be equipped with two steel bars of parallel placement about the upper end of every stand, every side bracket is fixed on the lateral wall of stand through two steel bars from top to bottom, promptly: a bracket is arranged on the outer side wall of each longitudinal side of the upper end of each upright post;
the main distribution beam is placed on the bracket on one side of the upright post, the vertical pull rod penetrates through the main distribution beam, the upper end of the vertical pull rod is anchored on the main distribution beam, the lower end of the vertical pull rod is anchored on the upper end of the bracket, and the main distribution beam is fixed on the bracket through a screw cap to form a stable structure; the short distribution beams are uniformly arranged on the main distribution beams at two sides, the top of the main distribution beam at each side of the upright post is provided with a protection platform, namely, the two sides of the upright post are provided with the protection platforms, and the periphery of the upright post is closed to form a safe operation area;
the three-way jacks are main adjusting components, the three-way jacks and the cushion blocks are all arranged on the short distribution beams, the three-way jacks and the cushion blocks are at the same height, two three-way jacks are arranged on each group of short distribution beams, the cushion block with the function of falling prevention is arranged on the outer side of each three-way jack, and the segmented prefabricated capping beam is placed on the three-way jacks and the cushion blocks.
The utility model has the beneficial effects that:
1. the corbel is fixed on the outer side of the upright column by using the steel bar penetrating through the upright column, so that the whole construction structure is supported on the upright column, a large landing support is avoided, the weight of the support is reduced, the construction structure is simple in arrangement, clear in stress and convenient to mount and dismount, and meanwhile, the non-landing support is adopted, so that the occupied area is reduced, and the interference to social traffic is reduced;
2. the outer sides of the two upright posts are respectively provided with a bracket, a main distribution beam is arranged on the bracket, and a stable structure is formed between the main distribution beam and the bracket by adopting the locking of a vertical pull rod so as to resist the unbalanced load of the single-side sectional prefabricated capping beam in the hoisting process and prevent the main distribution beam from overturning when the single side of the main distribution beam is stressed;
3, arranging the short distribution beam on the main distribution beam, and adjusting the sectional precast capping beam in the installation process by using a three-way jack arranged on the short distribution beam until the accuracy requirement of sectional precast capping beam installation is met;
4. the accurate contraposition installation of the whole sectional prefabricated bent cap is completed by the three-way jack, the hoisting adjustment of a large crane is not needed, the operation time of the large crane is reduced to a great extent, and the safety of the hoisting of the bent cap is effectively ensured by fine adjustment of the three-way jack.
Drawings
FIG. 1 is a schematic illustration of an installation of an embodiment of the present invention;
FIG. 2 is a left side view of an embodiment of the present invention;
FIG. 3 is a schematic view of an anchoring device according to an embodiment of the present invention;
FIG. 4 is a schematic front view of an embodiment of the present invention;
reference numerals: 1. a column; 2. a bracket; 3. a steel bar; 4. a vertical pull rod; 5. a main distribution beam; 6. a short distribution beam; 7. a protection platform; 8. a three-way jack; 9. cushion blocks; 10. and (5) prefabricating the capping beam in sections.
Detailed Description
The present invention will be described in further detail with reference to the following drawings in conjunction with embodiments.
The utility model provides a construction structures for prefabricated bent cap installation of segmentation, includes that stand 1, bracket 2, rod iron 3, vertical pull rod 4, main distribution beam 5, short distribution beam 6, protection platform 7, three-dimensional jack 8, cushion 9 and the prefabricated bent cap of segmentation adjust structure 10, wherein:
wear to be equipped with two parallel steel bars 3 about from top to bottom in the upper end of every stand 1, every side bracket 2 is fixed on the lateral wall of stand 1 through two upper and lower steel bars 3, promptly: the outer side wall of each longitudinal side of the upper end of each upright post 1 is provided with a bracket 2;
the main distribution beam 5 is placed on the bracket 2 on one side of the upright post 1, the vertical pull rod 4 penetrates through the main distribution beam 5, the upper end of the vertical pull rod 4 is anchored on the main distribution beam 5, the lower end of the vertical pull rod 4 is anchored on the upper end of the bracket 2, and the main distribution beam 5 is fixed on the bracket 2 through a nut to form a stable structure; the short distribution beams 6 are uniformly arranged on the main distribution beams 5 at two sides, the top of the main distribution beam 5 at each side of the upright post 1 is provided with a protection platform 7, namely, the two sides of the upright post 1 are provided with the protection platforms 7, and the periphery is closed to form a safe operation area;
the three-way jacks 8 are main adjusting components, the three-way jacks 8 and the cushion blocks 9 are both arranged on the short distribution beams 6, the three-way jacks 8 and the cushion blocks 9 are at the same height, two three-way jacks 8 are arranged on each group of short distribution beams 6, the cushion block 9 playing a role of falling prevention is arranged on the outer side of each three-way jack 8, and the segmented prefabricated capping beam 10 is placed on the three-way jacks 8 and the cushion block 9.
The sectional prefabricated capping beams 10 are respectively hoisted to the top positions of the upright posts 1 through a large crane, the initial positioning of the sectional prefabricated capping beams is completed by utilizing a manual traction mode, temporary padding is carried out at four corner positions of the top surfaces of the upright posts 1, so that the sectional prefabricated capping beams 10 fall on the three-way jacks 8, the large crane completes the operation task at the moment, the precise adjustment of the sectional prefabricated capping beams 10 is completed by the three-way jacks 8, the three-way jacks 8 are used for jacking, the verticality and the plane deviation of the sectional prefabricated capping beams 10 are adjusted to meet the design requirements, the rapid installation of the sectional prefabricated capping beams 10 is completed, then the plane movement of the three-way jacks 8 is locked, the lifting and falling of the sectional prefabricated capping beams 10 are controlled only by horizontal jacking or falling, the plane position is ensured not to deviate when the sectional prefabricated capping beams 10 are subjected to slurry setting, and the repeated processes before the two sectional prefabricated capping beams 10 are subjected to slurry setting are reduced, the mounting accuracy of the capping beam is ensured, thereby achieving a rapid mounting of the sectional precast capping beam 10.
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 scope of the present invention, but rather is intended to cover all equivalent structural changes made by the present specification and drawings.

Claims (2)

1. The utility model provides a construction structures for prefabricated bent cap of segmentation installation which characterized in that: including stand, bracket, rod iron, vertical pull rod, main distribution beam, short distribution beam, protection platform, three-way jack, cushion and segmentation precast bent cap, wherein:
wear to be equipped with two steel bars of parallel placement about the upper end of every stand, every side bracket is fixed on the lateral wall of stand through two steel bars from top to bottom, promptly: a bracket is arranged on the outer side wall of each longitudinal side of the upper end of each upright post;
the main distribution beam is placed on the bracket on one side of the upright post, the vertical pull rod penetrates through the main distribution beam, the upper end of the vertical pull rod is anchored on the main distribution beam, the lower end of the vertical pull rod is anchored on the upper end of the bracket, and the main distribution beam is fixed on the bracket through a screw cap to form a stable structure; the short distribution beams are uniformly arranged on the main distribution beams at two sides, the top of the main distribution beam at each side of the upright post is provided with a protection platform, namely, the two sides of the upright post are provided with the protection platforms, and the periphery of the upright post is closed to form a safe operation area;
the three-way jacks and the cushion blocks are all arranged on the short distribution beams, two three-way jacks are arranged on each group of short distribution beams, the cushion block with the anti-falling function is arranged on the outer side of each three-way jack, and the segmented precast bent cap is placed on the three-way jacks and the cushion blocks.
2. The construction structure for sectional precast capping beam installation of claim 1, wherein: the three-way jack and the cushion block are at the same height.
CN202123241030.6U 2021-12-22 2021-12-22 A construction structures for prefabricated bent cap installation of segmentation Active CN216765597U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123241030.6U CN216765597U (en) 2021-12-22 2021-12-22 A construction structures for prefabricated bent cap installation of segmentation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123241030.6U CN216765597U (en) 2021-12-22 2021-12-22 A construction structures for prefabricated bent cap installation of segmentation

Publications (1)

Publication Number Publication Date
CN216765597U true CN216765597U (en) 2022-06-17

Family

ID=81969150

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123241030.6U Active CN216765597U (en) 2021-12-22 2021-12-22 A construction structures for prefabricated bent cap installation of segmentation

Country Status (1)

Country Link
CN (1) CN216765597U (en)

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