CN211713706U - Large cantilever prefabricated bent cap installation lattice support device - Google Patents

Large cantilever prefabricated bent cap installation lattice support device Download PDF

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Publication number
CN211713706U
CN211713706U CN201922295784.6U CN201922295784U CN211713706U CN 211713706 U CN211713706 U CN 211713706U CN 201922295784 U CN201922295784 U CN 201922295784U CN 211713706 U CN211713706 U CN 211713706U
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China
Prior art keywords
lattice
supporting
vertical
bent cap
support
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CN201922295784.6U
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Chinese (zh)
Inventor
石剑
史彪之
王召召
郭文豪
李康
葛成龙
石刘军
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China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Second Engineering Co Ltd of CTCE Group
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China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Second Engineering Co Ltd of CTCE Group
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Priority to CN201922295784.6U priority Critical patent/CN211713706U/en
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Abstract

The utility model discloses a large cantilever precast bent cap installation lattice supporting device, which comprises two precast bent caps and pier columns for supporting the bent caps; the temporary latticed supporting device comprises a base positioned at the bottom, more than two vertically connected latticed supporting units arranged on the base and a bearing adjusting mechanism positioned at the top and acting on the cover beam; each lattice supporting unit comprises vertical supporting rods which are distributed in a rectangular shape and lattice supporting rods which are used for supporting and connecting the vertical supporting rods in the horizontal direction; the vertical directions of the vertical supporting rods are connected through a detachable connecting piece; the utility model discloses safe and reliable reduces workman's labour, reduces the engineering time, reduces the material consumption.

Description

Large cantilever prefabricated bent cap installation lattice support device
Technical Field
The utility model relates to a prefabricated bent cap of big cantilever installation lattice strutting arrangement.
Background
In the prefabricated capping beam construction, after the pier upright post is constructed, supports such as hoop brackets and the like are erected on the pier upright post for installing the capping beam, and workers are required to construct and erect the hoop brackets firstly during each installation, so that time and labor are wasted, the construction is extremely inconvenient, and further, the supports are stressed on the pier upright post, and the safety and reliability cannot be well guaranteed; furthermore, in the construction of prefabricated capping beams in cities, the ground roads are often required to be limited in space, and even great inconvenience is brought to life and travel of people if the conventional capping beam mounting method is adopted; moreover, after the traditional bracket hoop method is used for installation, the support is inconvenient to dismantle, time and labor are wasted, and resources cannot be recycled; in addition, the original support is inconvenient to adjust the installation elevation during installation, and needs to be formed at one time, otherwise, the support needs to be disassembled and assembled again to adjust the installation elevation of the capping beam; therefore, the industry needs a big cantilever precast bent cap installation lattice support device which can ensure the safety and reliability of the precast bent cap during installation, can be installed relatively simply and reduce the labor of workers, can flexibly adjust the required installation elevation of the bent cap and can be recycled.
Disclosure of Invention
The utility model discloses the purpose is: the large cantilever precast bent cap installation lattice supporting device can ensure the safety and reliability of the precast bent cap during installation, can be relatively simply installed, reduces the labor of workers, and can be recycled.
The technical scheme of the utility model is that: a large cantilever precast bent cap installation lattice supporting device comprises a bent cap which is divided into two sections to be precast and pier stand columns which are used for supporting the bent cap; the temporary latticed supporting device comprises a base positioned at the bottom, more than two vertically connected latticed supporting units arranged on the base and a bearing adjusting mechanism positioned at the top and acting on the cover beam; each lattice supporting unit comprises vertical supporting rods which are distributed in a rectangular shape and lattice supporting rods which are used for supporting and connecting the vertical supporting rods in the horizontal direction; the vertical direction of the vertical supporting rods is connected through a detachable connecting piece.
Further, the bearing adjusting mechanism comprises a height-adjustable sand cylinder and a bearing platform for bearing the sand cylinder.
Furthermore, the bearing platform of the bearing adjusting mechanism is divided into an upper layer and a lower layer, the vertical supporting rods are distributed in a rectangular shape, and two adjacent vertical supporting rods are in a pair; bear adjustment mechanism's lower floor's load-bearing platform includes that two are transversely erect and are every to double-pin I-steel on the vertical support pole, load-bearing platform's upper strata includes that direct action is husky section of thick bamboo and perpendicular erects the shaped steel on two lower floor's shaped steel, and the shaped steel on upper strata is double-pin I-steel equally, and is equipped with the reinforced rib board.
Further, the foundation at the bottom of the temporary lattice supporting device is a concrete foundation or a reinforced concrete foundation.
Furthermore, the vertical direction connection between the vertical supporting rods is flange connection, so that the vertical supporting rods are convenient to detach, install and replace.
Furthermore, the lattice support unit is spliced for more than two different heights or the same height according to the installation elevation of the cover beam.
Furthermore, the lattice support rods of the lattice support unit are in truss type cross connection between the vertical support rods.
Of course, further, the vertical support rods of the lattice support units are steel pipes, and the lattice support rods are steel sections or steel pipes.
Furthermore, the utility model discloses the during operation, the mechanism that lifts by crane that uses is that more than one track loop wheel machine cooperation is used.
The utility model has the advantages that:
(1) the utility model is characterized in that a pair of temporary lattice supporting devices are firstly erected on two sides of a stand column according to the elevation requirement of a bent cap, and then the bent cap divided into two sections of prefabricated bent cap is lifted and hung above the stand column and the temporary lattice supporting devices by two crawler cranes, so that the inner side of each section of bent cap is arranged on the stand column, and a cantilever end is arranged on the temporary lattice supporting devices; the method directly saves a supporting system for installing the bent cap by the original hoop bracket method, is safe and reliable, reduces the labor of workers, reduces the construction time and reduces the material consumption.
(2) The utility model discloses in, the basis of adopting is the concrete foundation, but reuse, during reuse, only needs to properly handle former ground, fills up with ground with fine sand, can realize labour saving and time saving material saving.
(3) The utility model discloses in, the lattice support element who adopts uses for the same or not co-altitude concatenation, can select to use the lattice support element of co-altitude to splice according to specific prefabricated bent cap installation elevation, selects in a flexible way, to the adjustment of elevation when needing not the workman to build by hand again, improves work efficiency, promotes the simple operation nature.
(4) The utility model discloses in, the bearing adjustment mechanism that the top adopted is a husky section of thick bamboo, can carry out the fine setting on the elevation, implements the difficulty to the fine setting of original staple bolt cow leg method, further improvement construction quality, work efficiency, simple operation nature.
Drawings
The invention will be further described with reference to the following drawings and examples:
fig. 1 is an overall elevation view of the present invention;
fig. 2 is a front view and a left side view of the temporary lattice support device of the present invention.
Wherein: 1. a capping beam; 2. a sand cylinder; 3. a load-bearing platform; 31. a reinforcing rib plate; 4. a vertical support bar; 5. a lattice support rod; 6. a detachable connector; 7. a foundation; 8. provided is a pier column.
Detailed Description
Example (b): the following description is made with reference to fig. 1 and fig. 2 for a specific embodiment of a large cantilever precast capping beam mounting lattice supporting device provided by the present invention, and we describe the structure thereof in detail as follows:
a large cantilever precast bent cap installation lattice supporting device is composed of a bent cap 1 which is divided into two sections for prefabrication, a lifting mechanism for lifting the bent cap 1, a pier upright post 8 and a pair of temporary lattice supporting devices, wherein each temporary lattice supporting device is composed of a foundation 7 positioned at the bottom, a plurality of vertically connected lattice supporting units arranged on the foundation 7 and a sand cylinder 2 positioned at the top and acting on the bent cap; the height and the number of the lattice supporting units are selected according to the elevation of the bent cap; each lattice supporting unit consists of vertical supporting rods 4 which are distributed in a rectangular shape and lattice supporting rods 5 which are used for supporting and connecting the vertical supporting rods in the horizontal direction; the vertical direction of the vertical supporting rod 4 is connected through a flange, so that the vertical supporting rod is convenient to detach, install and replace.
As shown in fig. 2, the bearing adjustment mechanism comprises two height-adjustable sand cylinders 2 and a bearing platform 3 for bearing the sand cylinders 2.
Preferably, the bearing platform 3 of the bearing adjusting mechanism is divided into an upper layer and a lower layer, the vertical support rods 4 are distributed in a rectangular shape, and two adjacent vertical support rods 4 form a pair; the lower layer of the bearing adjusting mechanism is two double-spliced I-shaped steels which are transversely erected on each pair of vertical supporting rods 4, the upper layer of the bearing platform 3 is the section steel which directly acts on the sand cylinder 2 and is vertically erected on the two lower layer section steels, and the section steel on the upper layer is also the double-spliced I-shaped steel and is provided with a reinforcing rib plate 31.
As shown in fig. 1 and 2, the basis 7 of interim lattice strutting arrangement bottom is reinforced concrete foundation, in the in-service use, only needs to suitably handle former ground, and fill and level up with fine sand between the ground clearance, can realize reuse, just the utility model discloses in, reinforced concrete foundation divide into two "cuboids", every bears two adjacent vertical support rod 4, further convenient recovery and transport.
As shown in fig. 1, the lattice support units are spliced for use by a plurality of different or same heights according to the installation elevation of the cover beam 1, when in actual use, the lattice support units with the most similar height and number after splicing are selected according to the elevation of the cover beam 1 for splicing, and fine adjustment of the rest height is completed through the sand cylinder 2.
As shown in fig. 1, the lattice support rods 5 of the lattice support unit are connected in a truss-like staggered manner between the vertical support rods 4.
Preferably, the vertical support rods 4 of the lattice support unit are steel tubes, and the lattice support rods 5 are channel steel.
When the concrete work of the embodiment, a typical double-column type large cantilever bent cap is adopted, and each bent cap 1 is prefabricated in two sections; the temporary lattice supporting device is erected according to the cover beam elevation: firstly, selecting the number and height of lattice support units according to the elevation of a cover beam, then properly treating the ground where reinforced concrete needs to be placed, filling the gap between a reinforced concrete foundation and the ground with fine sand, and then placing the reinforced concrete foundation; arranging the lattice support unit at the bottommost layer on a reinforced concrete foundation, then vertically stacking the lattice support units according to the elevation of the cover beam, and connecting two vertically adjacent lattice support units by adopting flanges; erecting a bearing platform 3 and a sand cylinder 2 on the lattice supporting unit at the topmost part, and finely adjusting the height of the sand cylinder 2 according to the elevation of the cover beam; after all the installation and debugging are finished, two crawler cranes matched for use are adopted to lift and hoist the bent cap, one end of the bent cap cantilever is arranged at the top of the temporary lattice supporting device, the other end of the bent cap cantilever is arranged on the pier stand column, and the installation and the placement of the large cantilever prefabricated bent cap can be finished.
The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.

Claims (8)

1. A large cantilever precast bent cap installation lattice supporting device comprises a bent cap (1) which is divided into two sections and prefabricated, and pier upright columns (8) for supporting the bent cap; the temporary lattice supporting device comprises a base (7) positioned at the bottom, more than two vertically connected lattice supporting units arranged on the base (7) and a bearing adjusting mechanism positioned at the top and acting on the cover beam (1); each lattice supporting unit comprises vertical supporting rods (4) which are distributed in a rectangular shape, and lattice supporting rods (5) which are used for supporting and connecting the vertical supporting rods (4) in the horizontal direction; the vertical directions of the vertical supporting rods (4) are connected through detachable connecting pieces (6).
2. A large cantilever precast capping beam mounting lattice support device according to claim 1, characterized in that the load bearing adjustment mechanism comprises an elevated sand cylinder (2) and a load bearing platform (3) for bearing the sand cylinder (2).
3. The large cantilever precast bent cap installation lattice supporting device according to claim 1 or 2, wherein the bearing platform (3) bearing the adjusting mechanism is divided into an upper layer and a lower layer, the vertical supporting rods (4) are distributed in a rectangular shape, and a pair of two adjacent vertical supporting rods (4) is arranged; the lower layer of the bearing platform (3) of the bearing adjusting mechanism comprises two pairs of section steels which are transversely erected on the vertical supporting rods (4), and the upper layer of the bearing platform (3) comprises section steels which directly act on the sand cylinder (2) and are vertically erected on the two lower layer section steels and is provided with reinforcing rib plates (31).
4. A large cantilever precast capping beam installation lattice support device according to claim 1, characterized in that the foundation (7) of the temporary lattice support device bottom is a concrete foundation.
5. A large cantilever precast capping beam installation lattice support device according to claim 1, characterized in that the detachable connectors (6) connected in the vertical direction between the vertical support bars (4) are flanges.
6. The large cantilever precast bent cap installation lattice supporting device of claim 1, wherein the lattice supporting unit is used by splicing more than two different or same heights according to the installation elevation of the bent cap (1).
7. The large cantilever precast bent cap installation lattice support device of claim 1, wherein the lattice support bars (5) of the lattice support unit are connected with each other in a truss type cross connection between the vertical support bars (4).
8. The large cantilever precast capping beam installation lattice support device according to claim 1 or 7, wherein the vertical support rods (4) of the lattice support unit are steel pipes, and the lattice support rods (5) are steel sections or steel pipes.
CN201922295784.6U 2019-12-19 2019-12-19 Large cantilever prefabricated bent cap installation lattice support device Active CN211713706U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922295784.6U CN211713706U (en) 2019-12-19 2019-12-19 Large cantilever prefabricated bent cap installation lattice support device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922295784.6U CN211713706U (en) 2019-12-19 2019-12-19 Large cantilever prefabricated bent cap installation lattice support device

Publications (1)

Publication Number Publication Date
CN211713706U true CN211713706U (en) 2020-10-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922295784.6U Active CN211713706U (en) 2019-12-19 2019-12-19 Large cantilever prefabricated bent cap installation lattice support device

Country Status (1)

Country Link
CN (1) CN211713706U (en)

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