CN214885836U - Prestressed back-jacking supporting device for basement - Google Patents

Prestressed back-jacking supporting device for basement Download PDF

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Publication number
CN214885836U
CN214885836U CN202121242359.1U CN202121242359U CN214885836U CN 214885836 U CN214885836 U CN 214885836U CN 202121242359 U CN202121242359 U CN 202121242359U CN 214885836 U CN214885836 U CN 214885836U
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China
Prior art keywords
support
jacking
basement
supporting device
adjusting support
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CN202121242359.1U
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Chinese (zh)
Inventor
张雄涛
丘志东
陈斌
黎德华
陈实秋
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Guangzhou Pearl River Engineering Construction Supervision Co ltd
China Construction Fourth Engineering Division Corp Ltd
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Guangzhou Pearl River Engineering Construction Supervision Co ltd
China Construction Fourth Engineering Division Corp Ltd
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Abstract

The utility model discloses a basement prestressing force back-jacking strutting arrangement. The utility model discloses a basement prestressing force back of body strutting arrangement, support, coupling assembling and jacking ware adjust support, lower including last. Specifically, during the installation, go up the top of adjusting the support and the top butt of basement, and with the top mutually perpendicular of basement, lower regulation support set up in under going up the regulation support, and vertical installation subaerial, coupling assembling set up in go up the regulation support with between the lower regulation support, be used for connecting go up adjust the support with adjust the support down, the jacking ware sets up in subaerially, its output with it adjusts the transmission connection to go up. The utility model discloses a basement prestressing force back-jacking strutting arrangement has simple to operate and the high characteristics of work efficiency.

Description

Prestressed back-jacking supporting device for basement
Technical Field
The utility model relates to a construction technical field especially relates to a basement prestressing force back-jacking strutting arrangement.
Background
When a building or facility is placed above a basement, the pressure may crack or even damage the walls and ceiling of the basement, often requiring a temporary back-up support to be placed locally in the basement to transfer the load to the next structure or foundation of the building. Often use the steel pipe to set up the scaffold frame and form the support system among the traditional back-up scheme, need a large amount of manpower and materials, occupied great space, influence the site operation face construction, also can't adjust the support system when follow-up basement appears subsiding.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing a can solve when building or facility setting in the basement top, the pressure probably can make the basement wall and the problem of ceiling fracture or even damage the basement prestressing force back to the top strutting arrangement.
A prestressed back-jacking support device for a basement, comprising:
the top of the upper adjusting support is abutted against the top of the basement and is vertical to the top of the basement;
the lower adjusting support is arranged right below the upper adjusting support and is vertically arranged on the ground;
a connection assembly disposed between the upper and lower adjustment supports for connecting the upper and lower adjustment supports;
the jacking device is arranged on the ground, and the output end of the jacking device is in transmission connection with the upper adjusting support.
The utility model discloses a basement prestressing force back-jacking strutting arrangement, utilize the jacking ware to adjust to last and support and apply vertical ascending holding power in order to form prestressing force, stop the application of force after 5% -7% that the numerical value surpasses the design value, then adjust the support down and vertically place under last regulation support, and connect through coupling assembling, unload the jacking ware at last, thereby form basement prestressing force back-jacking and support, whole process simple to operate, manpower and materials have been saved, the work efficiency is improved, basement structure safety and quality have both been guaranteed, the problem that can't be handled when the basement appears subsiding has also been solved, popularization and application is worth high.
Further preferably, the upper adjustment support comprises:
the upper supporting upright post is arranged at the top of the connecting component;
go up the steel sheet, go up the steel sheet level and set up in the top of last support post, with the top looks butt of basement.
Further preferably, the lower adjustment support comprises:
the lower support upright post is arranged at the bottom of the connecting component and is positioned right below the upper adjusting support;
and the lower steel plate is arranged at the bottom of the lower support upright post and is arranged on the ground.
Further preferably, the lower steel plate is fixedly installed on the ground by a plurality of bolts.
Further preferably, the connection assembly includes:
the upper flange plate is arranged at the bottom of the upper adjusting support;
the lower flange plate is arranged at the top of the lower adjusting support, and the upper flange plate is fixedly connected with the lower flange plate through a plurality of bolts.
Further preferably, a plurality of stiffening plates are arranged between the upper adjusting support and the connecting assembly.
Further preferably, the lateral surface of the upper adjusting support is horizontally provided with a plurality of transverse fixing square pipes.
Further preferably, four transverse fixing square pipes are arranged.
Further preferably, the jacking devices are four in number, and the four jacking devices are uniformly distributed below the upper adjusting support.
Further preferably, the jack is a 16T hydraulic jack.
Compared with the prior art, the utility model discloses a basement prestressing force back-jacking strutting arrangement forms strutting arrangement through the combination of steel sheet with the stand, simple structure, low cost, and area is little moreover, has improved space utilization, has saved manpower and materials, has improved work efficiency. The utility model discloses a basement prestressing force back-jacking strutting arrangement has simple to operate and the high characteristics of work efficiency.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the plane a-a of the present invention.
In the figure: the steel plate support structure comprises an upper adjusting support 1, an upper supporting upright post 11, an upper steel plate 12, a lower steel plate 13, a transverse fixed square tube 2, a lower adjusting support 21, a lower supporting upright post 22, a lower steel plate 3, a connecting assembly 31, an upper flange plate 32, a lower flange plate 4, a jacking device and a stiffening plate 5.
Detailed Description
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.
The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1-2, the prestressed back-supporting device for basement of the present invention includes an upper adjusting support 1, a lower adjusting support 2, a connecting assembly 3 and a jacking device 4. Specifically, during the installation, the top of going up regulation support 1 and the top butt of basement, and with the top mutually perpendicular of basement, adjust support 2 down and set up under last regulation support 1, and vertically install subaerially, coupling assembling 3 sets up and adjusts support 1 and adjust support 2 down between last regulation support 1 for connect and adjust support 1 and adjust support 2 down, jacking ware 4 sets up subaerially, its output with adjust support 1 transmission connection last.
During specific implementation, the upper adjusting support 1 is lifted to a corresponding position through a forklift, the jacking device 4 is used for applying a vertical upward supporting force to the upper adjusting support 1 to form prestress, the supporting force is stopped being applied when the numerical value of the supporting force exceeds 5% -7% of a design value, then the lower adjusting support 2 is vertically placed under the upper adjusting support 1 and connected through the connecting component, and finally the jacking device 4 is decompressed and unloaded to form the prestressed back-jacking support of the basement. If settlement occurs in the construction process, the steps can be repeated for secondary back jacking, and the prestress back jacking supporting device is sequentially dismantled after the construction above the basement is completed. The whole process is convenient to install, saves manpower and material resources, improves the working efficiency, ensures the safety and the quality of the basement structure, solves the problem that the basement cannot be treated when the basement is settled, and has certain popularization and application values.
Further preferably, the upper adjusting support 1 comprises an upper support column 11 and an upper steel plate 12, the upper support column 11 is arranged at the top of the connecting assembly 3, and the upper steel plate 12 is horizontally arranged at the top of the upper support column 11 and abuts against the top of the basement.
Further preferably, the lower adjusting support 2 comprises a lower supporting upright 21 and a lower steel plate 22, the lower supporting upright 21 is disposed at the bottom of the connecting assembly 3 and is located right below the upper adjusting support 1, and the lower steel plate 22 is disposed at the bottom of the lower supporting upright 21 and is installed on the ground. Specifically, lower steel sheet 22 is through a plurality of bolt fixed mounting on subaerial, chooses for use 8M 20 chemical bolts to fix lower steel sheet 22 here, and chemical bolt has acid and alkali-resistance, low temperature resistant, ageing-resistant, heat resistance good, and the normal atmospheric temperature is the water spot of no creep deformation resistance, and long-term load is stable in humid environment, resistance to welding nature, fire behaviour is good, characteristics such as shock resistance good, adaptation basement environment that can be better.
Through the jacking of mutually supporting and jacking ware 4 of two sets of steel sheets and stand to form basement prestressing force back to top strutting arrangement, whole device need not set up the scaffold frame, and simple to operate has saved manpower and materials greatly, has reduced occupation of land space, the operation of being convenient for. And the material is easy to obtain, low in price, easy to prepare and convenient to popularize.
Further preferably, the connection assembly 3 comprises an upper flange plate 31 and a lower flange plate 32. An upper flange plate 31 is provided at the bottom of the upper adjustment support 1 and a lower flange plate 32 is provided at the top of the lower adjustment support 2. Specifically, the upper flange plate 31 is connected to the upper support column 11, the lower flange plate 32 is connected to the lower support column 21, and the upper flange plate 31 is fixedly connected to the lower flange plate 32 by a plurality of bolts, where 8 common bolts are used to connect the upper and lower flange plates. In this embodiment, the upper flange plate 31 and the lower flange plate 32 have different areas, the area of the upper flange plate 31 is larger than that of the lower flange plate 32, and the jack 4 supports the upper adjustment support 1 by pushing against the part of the upper flange plate 31 exceeding the lower flange plate 32 during the installation process.
Referring to fig. 2, a plurality of stiffening plates 5 are disposed between the upper adjusting support 1 and the connecting assembly 3, and specifically between the upper support columns 11 and the upper flange plate 31. The number of stiffening plates 5 is preferably 4, four stiffening plates 5 increasing the stability and the load-bearing capacity of the upper adjusting support 1. The side of going up regulation support 1 still the level is provided with a plurality of horizontal fixed square pipes 13, like this fork truck when adjusting support 1 in the transport, can hang horizontal fixed square pipe 13 and carry last regulation support 1, and is more convenient, specifically, horizontal fixed square pipe 13 sets up in the middle part of last regulation support 1 for it is more stable in the handling, and horizontal fixed square pipe 13 is preferred four, and four horizontal fixed square pipes 13 distribute along the circumferencial direction of last regulation support 1.
Referring to fig. 2, four lifters 4 are provided, and the four lifters 4 are uniformly distributed below the upper adjusting support 1. In this embodiment, the cross-section of upper support post 11, lower support post 21, upper flange plate 31 and lower flange plate 32 is circular, and four lifters 4 are along the circumferencial direction evenly distributed of lower support post 21, and in the jacking process, four lifters 4 exert vertical ascending pressure to upper support post 11 through self jacking simultaneously in order to form prestressing force for it supports the basement ceiling. Preferably, the jack 4 is a 16T hydraulic jack. Other jacking mechanisms capable of reaching 16T are also within the scope of the present invention, as will be appreciated by those skilled in the art.
In the embodiment, other structures than the connection method specifically described are connected together by welding. For example, the upper steel plate 12 and the upper support column 11, the upper support column 11 and the upper flange plate 31, etc. are connected together by welding, and the fixation by welding is more stable and convenient.
Compared with the prior art, the utility model discloses a basement prestressing force back-jacking strutting arrangement forms strutting arrangement through the combination of a plurality of steel sheets and a plurality of stands, simple structure, and low cost, area is little moreover, has improved space utilization, has saved manpower and materials, has improved work efficiency. The utility model discloses a basement prestressing force back-jacking strutting arrangement has simple to operate and the high characteristics of work efficiency.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (10)

1. The utility model provides a basement prestressing force back to top strutting arrangement which characterized in that: comprises that
The top of the upper adjusting support is abutted against the top of the basement and is vertical to the top of the basement;
the lower adjusting support is arranged right below the upper adjusting support and is vertically arranged on the ground;
a connection assembly disposed between the upper and lower adjustment supports for connecting the upper and lower adjustment supports;
the jacking device is arranged on the ground, and the output end of the jacking device is in transmission connection with the upper adjusting support.
2. The prestressed back-jacking supporting device for basements according to claim 1, wherein: the upper adjustment support comprises:
the upper supporting upright post is arranged at the top of the connecting component;
go up the steel sheet, go up the steel sheet level and set up in the top of last support post, with the top looks butt of basement.
3. The prestressed back-jacking supporting device for basements according to claim 1, wherein: the lower adjustment support comprises:
the lower support upright post is arranged at the bottom of the connecting assembly and is positioned right below the upper adjusting support;
and the lower steel plate is arranged at the bottom of the lower support upright post and is arranged on the ground.
4. The prestressed back-jacking supporting device for basements according to claim 3, wherein: the lower steel plate is fixedly arranged on the ground through a plurality of bolts.
5. The prestressed back-jacking supporting device for basements according to claim 1, wherein: the connecting assembly includes:
the upper flange plate is arranged at the bottom of the upper adjusting support;
the lower flange plate is arranged at the top of the lower adjusting support, and the upper flange plate is fixedly connected with the lower flange plate through a plurality of bolts.
6. The prestressed back-jacking supporting device for basements according to claim 1, wherein: a plurality of stiffening plates are arranged between the upper adjusting support and the connecting assembly.
7. The prestressed back-jacking supporting device for basements according to claim 1, wherein: the side of going up the regulation support is provided with a plurality of horizontal fixed square pipes.
8. The prestressed back-jacking supporting device for basements according to claim 7, wherein: the number of the transverse fixed square tubes is four.
9. The prestressed back-jacking supporting device for basements according to claim 1, wherein: the jacking devices are four and are uniformly distributed below the upper adjusting support.
10. The prestressed back-jacking supporting device for basements of claim 9, wherein: the jack is a 16T hydraulic jack.
CN202121242359.1U 2021-06-03 2021-06-03 Prestressed back-jacking supporting device for basement Active CN214885836U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121242359.1U CN214885836U (en) 2021-06-03 2021-06-03 Prestressed back-jacking supporting device for basement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121242359.1U CN214885836U (en) 2021-06-03 2021-06-03 Prestressed back-jacking supporting device for basement

Publications (1)

Publication Number Publication Date
CN214885836U true CN214885836U (en) 2021-11-26

Family

ID=78903005

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121242359.1U Active CN214885836U (en) 2021-06-03 2021-06-03 Prestressed back-jacking supporting device for basement

Country Status (1)

Country Link
CN (1) CN214885836U (en)

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