CN216840807U - Post-cast strip temporary back-jacking supporting device - Google Patents

Post-cast strip temporary back-jacking supporting device Download PDF

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Publication number
CN216840807U
CN216840807U CN202220108941.7U CN202220108941U CN216840807U CN 216840807 U CN216840807 U CN 216840807U CN 202220108941 U CN202220108941 U CN 202220108941U CN 216840807 U CN216840807 U CN 216840807U
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China
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adjustable
steel
channel steel
post
round tube
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CN202220108941.7U
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Chinese (zh)
Inventor
吕正良
姚贤良
喻龙寅
郭向明
倪国洪
厉勋
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Zhejiang Provincial Yijian Construction Group Ltd
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Zhejiang Provincial Yijian Construction Group Ltd
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Abstract

The utility model discloses a temporary back-jacking strutting arrangement of post-cast strip, including adjustable stand support piece, adjustable staple bolt formula connecting piece and support I-steel, many adjustable stand support piece are connected with supporting the I-steel is perpendicular, it fixes on the roof to support the I-steel, adjustable staple bolt formula connecting piece includes first adjustable channel-section steel, the adjustable channel-section steel of second and connection channel-section steel, level that first adjustable channel-section steel is between as adjustable stand support piece is to propping, the adjustable channel-section steel of second is connected perpendicularly on the first adjustable channel-section steel, realize being connected through being connected the channel-section steel between the adjustable channel-section steel of second and the adjustable channel-section steel of second, adjustable stand support piece is located first adjustable channel-section steel, the adjustable channel-section steel of second and connection channel-section steel, realize chucking and the connection of adjustable staple bolt formula connecting piece on adjustable stand support piece. The utility model discloses simple structure, convenient operation, stability is good, can satisfy different construction requirements, and the suitability is strong.

Description

Post-cast strip temporary back-jacking supporting device
Technical Field
The utility model belongs to the technical field of building engineering, concretely relates to post-cast strip temporary back-jacking strutting arrangement.
Background
With the continuous development of modern construction technology, the requirements on the construction quality of buildings are continuously improved, the cost of construction turnover materials is further refined and controlled, and higher requirements are provided for the rationalization of quality control measures and construction procedures of building construction. The control of the construction quality of the concrete at the post-cast strip part is one of the important difficulties in the construction quality control item, the input of the turnover material of the formwork support system is also one of the important concerns of the cost control of the construction unit, and the input amount of the material is related to the turnover efficiency of the material. Before the post-cast strip reaches the closed condition, the relation between the quality and the cost cannot be well balanced by using the traditional post-cast strip back-jacking technology, and the contradiction is particularly prominent in projects with larger basement areas.
The traditional post-cast strip back-top technology has the following defects: firstly, the supporting stress effect after back jacking can not reach the stress effect of the original support. And secondly, the distance between the back-jacking supporting columns is small, and materials cannot be cleaned and transported mechanically, so that a large amount of labor cost is consumed. And thirdly, the turnover efficiency of the supporting materials is low, and the input amount of the supporting materials of the whole project needs to be increased due to the requirement of construction progress, so that the project construction cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defect among the above-mentioned prior art, provide a simple structure, component atress are clear, the interim back-supporting device of post-cast strip that the suitability is strong.
In order to achieve the purpose, the following technical scheme is provided:
a post-cast strip temporary back-jacking supporting device comprises adjustable upright post supporting pieces, adjustable hoop type connecting pieces and supporting I-shaped steel, wherein a plurality of adjustable upright post supporting pieces are vertically connected with the supporting I-shaped steel, the supporting I-shaped steel is fixed on a top plate, the adjustable upright post supporting pieces and the adjustable upright post supporting pieces are clamped and connected through the adjustable hoop type connecting pieces, the adjustable upright post supporting pieces are used for two sides of a back-jacking post-cast strip, and the adjustable hoop type connecting pieces are used as horizontal opposite supports to increase the stability of the adjustable upright post supporting pieces; the supporting I-shaped steel is used for equally dividing the load of the upper structure.
Further, adjustable stand support piece includes first pipe, second pipe and jack, the through-hole has all been seted up on first pipe and the second pipe, the upper end and the support I-steel of first pipe are connected, the lower extreme cup joints with the second pipe, the reinforcing bar passes the through-hole on first pipe and the second pipe, realize the fixed connection of first pipe and second pipe, the lower extreme and the jack of second pipe are connected, the jack is fixed on the bottom plate, the jack is used for the bottom to return the top, adjust the length that cup joints of first pipe and second pipe, with the height of adjusting adjustable stand support piece, satisfy different demands.
Furthermore, the adjustable hoop-type connecting piece comprises a first adjustable channel steel, a second adjustable channel steel and a connecting channel steel, the first adjustable channel steel is used as a horizontal butt support between the adjustable stand column supporting pieces, the second adjustable channel steel is perpendicularly connected to the first adjustable channel steel, the second adjustable channel steel is connected with the second adjustable channel steel through the connecting channel steel, the adjustable stand column supporting pieces are located between the first adjustable channel steel, the second adjustable channel steel and the connecting channel steel, and clamping and connection of the adjustable hoop-type connecting piece on the adjustable stand column supporting pieces are achieved.
Furthermore, a first empty groove is formed in the first adjustable channel steel, a second empty groove is formed in the second adjustable channel steel, the screw end of the bolt penetrates through the first empty groove to be connected with the second adjustable channel steel, the second adjustable channel steel is vertically connected onto the first adjustable channel steel, the second adjustable channel steel is tightly attached to two sides of the adjustable upright post support, the screw end of the bolt penetrates through the second empty groove to be connected with the connecting channel steel, the second adjustable channel steel on two sides of the adjustable upright post support is connected, the connecting channel steel is tightly attached to the adjustable upright post support, the bolt on the first empty groove is loosened according to the distance between the adjustable upright post support and the adjustable upright post support, the second adjustable channel steel is moved to a proper position to be tightly attached to the adjustable upright post support and then fixed, and then the position of the bolt on the second empty groove is adjusted to enable the connecting channel steel to be tightly attached to the adjustable upright post support, make adjustable staple bolt formula connecting piece chucking on adjustable stand support piece to play the effect of connecting to propping, satisfy the symmetry between different adjustable stand support piece intervals and consolidate.
Furthermore, end socket steel plates are fixed at two ends of the connecting channel steel, bolts sequentially penetrate through the second empty groove and the end socket steel plates to realize connection of the connecting channel steel and the second adjustable channel steel, and nuts are adopted for fixing; the end part of the second adjustable channel steel connected with the first adjustable channel steel is fixed with an end socket steel plate, the bolt sequentially penetrates through the first empty groove and the end socket steel plate to realize connection of the first adjustable channel steel and the second adjustable channel steel, and a nut is adopted for fixing.
Furthermore, a steel plate is fixed to the upper end of the first circular tube, a steel plate is fixed to the lower end of the supporting I-shaped steel, the bolt sequentially penetrates through the steel plate on the first circular tube and the steel plate on the supporting I-shaped steel to achieve connection of the supporting I-shaped steel and the first circular tube, and the bolt is fixed through a nut and convenient to install and disassemble.
Further, the width of the first empty groove and the second empty groove is 18-20 mm.
Furthermore, the top that the jack is connected with the lower extreme of second pipe is provided with circular bowl and detains, can fix the jack, prevents the displacement.
The utility model has the advantages that:
1) the supporting system is stressed clearly, the integral stability is good, and the deformation of the beam end and the plate end can be effectively controlled;
2) simple structure, convenient operation can satisfy different construction requirements, and the suitability is strong.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a cross-sectional view of the adjustable hoop connector of the present invention;
fig. 4 is an enlarged detail view at a.
In the figure: 1. supporting the I-shaped steel; 2. a first circular tube; 3. a second circular tube; 4. a jack; 5. a first adjustable channel steel; 51. a first empty slot; 6. a second adjustable channel steel; 61. a second empty slot; 7. connecting channel steel; 8. a bolt; 9. sealing a steel plate; 10. and (3) a steel plate.
Detailed Description
The present invention will be described in further detail with reference to the drawings, but the scope of the present invention is not limited thereto.
As shown in fig. 1 to 4; the embodiment provides a post-cast strip temporary back-jacking supporting device, which comprises a supporting I-shaped steel 1, a first round pipe 2, a second round pipe 3, a jack 4, a first adjustable channel steel 5, a second adjustable channel steel 6 and a connecting channel steel 7, wherein the jack 4 is fixedly connected with the lower end of the second round pipe 3 through a circular bowl mouth structure fixed at the upper end of the jack, the first round pipe 2 is sleeved with the second round pipe 3, through holes are uniformly formed in the first round pipe 2 and the second round pipe 3, a steel bar penetrates through the through holes in the first round pipe 2 and the second round pipe 3 to realize the fixed connection of the first round pipe 2 and the second round pipe 3, a steel plate 10 is fixed at the upper end of the first round pipe 2, a steel plate 10 is fixed at the lower end of the supporting I-shaped steel 1, the upper end of the supporting I-shaped steel 1 is fixed on a top plate, a bolt 8 sequentially penetrates through the steel plate 10 on the first round pipe 2 and the steel plate 10 on the supporting I-shaped steel 1 to realize the connection of the supporting I-shaped steel 1 and the first round pipe 2, the adjustable vertical post supporting device is fixed by adopting nuts, a first adjustable channel steel 5 is used as a horizontal opposite support between two back-jacking supporting pieces, a first empty groove 51 is formed in the first adjustable channel steel 5, a second empty groove 61 is formed in the second adjustable channel steel 6, a head steel plate 9 is fixed at the end part of the second adjustable channel steel 6 connected with the first adjustable channel steel 5, the screw end of a bolt 8 sequentially penetrates through the first empty groove 51 and the head steel plate 9 to be connected with the second adjustable channel steel 6, the second adjustable channel steel 6 is vertically connected onto the first adjustable channel steel 5 and is fixed by adopting the nuts, the second adjustable channel steel 6 is tightly attached to two sides of the adjustable vertical post supporting pieces, the head steel plates 9 are fixed at two ends of the connecting channel steel 7, the screw end of the bolt 8 sequentially penetrates through the second empty groove 61 and the head steel plate 9, the second adjustable channel steel 6 at two sides of the adjustable vertical post supporting pieces are connected and are fixed by adopting the nuts, the connecting channel steel 7 is tightly attached to the adjustable upright post supporting piece, and the second round pipe 3 is located between the first adjustable channel steel 5, the second adjustable channel steel 6 and the connecting channel steel 7, so that clamping and connection are achieved.
The concrete construction steps of the post-cast strip temporary back-to-top supporting device are as follows:
1) placing the supporting I-steel 1 on the cross bar of the topmost layer coil buckle supporting frame at the corresponding position, and temporarily fixing;
2) fixing a first circular pipe 2 at the lower end of a support I-shaped steel 1 by using a bolt, sleeving a second circular pipe 3 with the first circular pipe 2, adjusting the sleeving length of the first circular pipe 2 and the second circular pipe 3, inserting a steel bar, and clamping the first circular pipe 2 and the second circular pipe 3;
3) jacking a jack 4 at the lower end of the second circular pipe 3, jacking the jack 4, and firmly jacking the whole main body component of the section steel support;
4) adjusting bolt 8 is in the position of first dead slot 51, then carries out perpendicular connection with adjustable channel-section steel 6 of second and first adjustable channel-section steel 5, and the both sides of second pipe 3 are hugged closely to two adjustable channel-section steels 6 of second, then will connect channel-section steel 7 and install between adjustable channel-section steel 6 of second and second 6 to through the position of adjusting bolt 8 in second dead slot 61, make and connect channel-section steel 7 and hug closely second pipe 3, constitute staple bolt formula chucking structure.
5) And (3) dismantling the original disc buckle support, completely replacing the original disc buckle support by the section steel support to bear the load of the end part of the post-cast strip, jacking the jack 4 again to enable the elevation of the beam end of the post-cast strip at the support to be consistent with that of the original post-cast strip, and fastening the jack 4.

Claims (7)

1. The utility model provides a post-cast strip strutting arrangement that temporarily backs up which characterized in that, includes adjustable stand support piece, adjustable staple bolt formula connecting piece and supports I-steel (1), many adjustable stand support piece with support I-steel (1) and be connected perpendicularly, support I-steel (1) and fix on the roof, carry out chucking and connection through adjustable staple bolt formula connecting piece between adjustable stand support piece and the adjustable stand support piece.
2. The post-cast strip temporary back-jacking supporting device as claimed in claim 1, wherein the adjustable upright post supporting member comprises a first round tube (2), a second round tube (3) and a jack (4), through holes are formed in the first round tube (2) and the second round tube (3), the upper end of the first round tube (2) is connected with the supporting I-shaped steel (1), the lower end of the first round tube is sleeved with the second round tube (3), the reinforcing steel bar penetrates through the through holes in the first round tube (2) and the second round tube (3), the first round tube (2) and the second round tube (3) are fixedly connected, the lower end of the second round tube (3) is connected with the jack (4), and the jack (4) is fixed on the bottom plate.
3. The post-cast strip temporary back-jacking supporting device as claimed in claim 2, wherein the adjustable hoop-type connecting piece comprises a first adjustable channel steel (5), a second adjustable channel steel (6) and a connecting channel steel (7), the first adjustable channel steel (5) is used as a horizontal brace between the adjustable upright supports, the second adjustable channel steel (6) is vertically connected to the first adjustable channel steel (5), the second adjustable channel steel (6) is connected with the second adjustable channel steel (6) through the connecting channel steel (7), the adjustable upright supports are located among the first adjustable channel steel (5), the second adjustable channel steel (6) and the connecting channel steel (7), and the adjustable hoop-type connecting piece is clamped and connected to the adjustable upright supports.
4. The temporary post-cast strip back-jacking supporting device as claimed in claim 3, wherein a first empty groove (51) is formed in the first adjustable channel steel (5), a second empty groove (61) is formed in the second adjustable channel steel (6), the screw end of the bolt (8) penetrates through the first empty groove (51) to be connected with the second adjustable channel steel (6), the second adjustable channel steel (6) is vertically connected to the first adjustable channel steel (5), the second adjustable channel steel (6) is tightly attached to two sides of the adjustable upright supporting member, the screw end of the bolt (8) penetrates through the second empty groove (61) to be connected with the connecting channel steel (7), the second adjustable channel steel (6) on two sides of the adjustable upright supporting member is connected, and the connecting channel steel (7) is tightly attached to the adjustable upright supporting member.
5. The post-cast strip temporary back-jacking supporting device as claimed in claim 4, wherein end enclosure steel plates (9) are fixed at two ends of the connecting channel steel (7), bolts (8) sequentially penetrate through the second empty grooves (61) and the end enclosure steel plates (9) to realize connection of the connecting channel steel (7) and the second adjustable channel steel (6), and are fixed by nuts; the end part of the second adjustable channel steel (6) connected with the first adjustable channel steel (5) is fixed with a seal head steel plate (9), and a bolt (8) sequentially penetrates through a first empty groove (51) and the seal head steel plate (9) to realize connection of the first adjustable channel steel (5) and the second adjustable channel steel (6) and is fixed by a nut.
6. The post-cast strip temporary back-jacking supporting device as claimed in claim 2, wherein a steel plate (10) is fixed at the upper end of the first circular tube (2), a steel plate (10) is fixed at the lower end of the supporting I-shaped steel (1), the bolt (8) sequentially penetrates through the steel plate (10) on the first circular tube (2) and the steel plate (10) on the supporting I-shaped steel (1) to realize the connection between the supporting I-shaped steel (1) and the first circular tube (2), and the bolt is fixed by a nut.
7. A post-cast strip temporary back-up supporting device as claimed in claim 4, wherein the width of the first empty groove (51) and the second empty groove (61) is 18-20 mm.
CN202220108941.7U 2022-01-17 2022-01-17 Post-cast strip temporary back-jacking supporting device Active CN216840807U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220108941.7U CN216840807U (en) 2022-01-17 2022-01-17 Post-cast strip temporary back-jacking supporting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220108941.7U CN216840807U (en) 2022-01-17 2022-01-17 Post-cast strip temporary back-jacking supporting device

Publications (1)

Publication Number Publication Date
CN216840807U true CN216840807U (en) 2022-06-28

Family

ID=82085223

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220108941.7U Active CN216840807U (en) 2022-01-17 2022-01-17 Post-cast strip temporary back-jacking supporting device

Country Status (1)

Country Link
CN (1) CN216840807U (en)

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