CN215926746U - Independent steel pipe lattice column for supporting post-cast strip - Google Patents
Independent steel pipe lattice column for supporting post-cast strip Download PDFInfo
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- CN215926746U CN215926746U CN202122388967.XU CN202122388967U CN215926746U CN 215926746 U CN215926746 U CN 215926746U CN 202122388967 U CN202122388967 U CN 202122388967U CN 215926746 U CN215926746 U CN 215926746U
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Abstract
The utility model relates to the technical field of building construction, and discloses an independent steel pipe lattice column for supporting a post-cast strip, which comprises: the vertical rod comprises a fixed rod, a screw rod and an adjusting nut, the upper end of the fixed rod is sleeved with the screw rod, the screw rod is connected with the adjusting nut in a threaded manner, and the lower end face of the adjusting nut is abutted to the upper end of the fixed rod; the cross rods are fixedly connected between the adjacent fixed rods and are arranged at equal intervals along the fixed rods, and the cross rods and the fixed rods are arranged vertically; and the top support is fixedly connected with the upper end of the screw rod and used for supporting the post-cast strip. The height of the vertical rod can be adjusted in real time, so that the net height and the flatness of the support are guaranteed; and the independent support can be realized, the secondary back-jacking reinforcement can be avoided, the use quality of the cantilever structure is further ensured, and the cantilever structure has better popularization value.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to an independent steel pipe lattice column for supporting a post-cast strip.
Background
In residential engineering, a cantilever structure is formed due to design structure or construction process requirements, such as a floor post-cast strip, a reserved hole of a tower crane and a construction elevator, a cantilever balcony slab, an air conditioner slab and the like, in order to ensure the use quality safety in the future and avoid the cracking of the cantilever structure, therefore, in the floor construction process, independent supports are required to be arranged at the parts, and how to arrange the independent supports is always a technical difficulty in the industry.
There are two conventional practices today: one method is that after the concrete pouring of the floor slab is finished, a steel pipe scaffold is erected at the cantilever member to be used as a back-up support after the form is removed; the second method is to set up the full frame of the floor slab, the frame body is broken at the cantilever structure, a formwork is separately supported at the position, and the frame body is kept from being disassembled after the pouring is finished. However, the two methods have disadvantages, the first method is time-consuming and labor-consuming by repeatedly erecting the support frame body, and after the support frame is disassembled, the cantilever structure is fundamentally changed in structural stress, the original stress mode cannot be recovered even if the support is supported by the secondary back top, and the hidden danger of cracking and sinking still remains; the latter has the disadvantages that the full-hall frame is difficult to be disconnected exactly at the cantilever structure due to the modulus limit of the length of the steel pipe on the market, and when the full-hall frame is demolished, workers often demolish the frame body at the independent back-to-top part, so the construction of the mode is complicated and tedious, and rework and mis-work are easily caused.
To technical personnel in the field, the independent steel pipe lattice column for supporting the post-cast strip is provided, independent support can be realized, secondary back-jacking reinforcement can be avoided, the use quality of the cantilever structure is further guaranteed, and the technical problem to be solved urgently is solved.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model aims to provide an independent steel pipe lattice column for supporting a post-cast strip, so as to solve the problems of poor construction quality and complex and fussy construction of the independent support of the post-cast strip.
In order to achieve the technical problem, the technical scheme of the utility model is realized as follows:
the utility model provides an independent steel tube lattice column for supporting a post-cast strip, which comprises:
the vertical rod comprises a fixed rod, a screw rod and an adjusting nut, the screw rod is sleeved at the upper end of the fixed rod, the adjusting nut is connected with the screw rod in a threaded manner, and the lower end face of the adjusting nut is abutted to the upper end of the fixed rod;
the cross rods are fixedly connected between the adjacent fixing rods and are arranged at equal intervals along the fixing rods, and the cross rods and the fixing rods are perpendicular to each other;
the top support is fixedly connected to the upper end of the screw rod and used for supporting the post-cast strip.
Furthermore, the lower end of the adjusting nut is fixedly connected with a protrusion, and a notch is formed in the side wall of the upper end of the fixing rod and matched with the protrusion.
Further, the length of the screw rod is not more than 500mm, the length of the connecting section of the screw rod and the fixed rod is not less than 150mm, and the length of the fixed rod exposed out of the screw rod is not more than 200 mm.
Furthermore, the step distance of the cross rod along the direction of the fixed rod is 1200mm, and the distance from the cross rod at the lowest end to the bottom end of the fixed rod is 300 mm.
Further, the section of the fixing rod is 300mm multiplied by 300 mm.
Furthermore, a base plate is arranged at the bottom end of the fixing rod.
Furthermore, a wood purlin is fixedly connected to the upper end of the top support, and a double-layer nine-layer plate is arranged at the upper end of the wood purlin.
Furthermore, the fixed rods and the cross rods are made of fastener type steel pipes, disc buckle type steel pipes or bowl buckle type steel pipes.
Compared with the prior art, the independent steel tube lattice column has the following advantages:
(1) according to the independent steel pipe lattice column, the elevation is controlled in a mode that the jackscrew is matched with the adjustable nut, the elevation error caused by the deformation of the vertical rod can be adjusted in real time, the accuracy is high, and the net height and the flatness of the support are further guaranteed;
(2) the independent steel pipe lattice column is simple and convenient to manufacture, is quick to construct, can realize independent support, can avoid secondary back-jacking reinforcement, ensures the use quality of a cantilever structure, and has good popularization value.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is an isometric view of a first embodiment of a lattice column of individual steel tubes of the present invention;
FIG. 2 is an isometric view of a second embodiment of the freestanding steel tube lattice column of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2;
reference numerals: 1. erecting a rod; 2. a cross bar; 3. jacking; 4. a base plate; 5. wood purlin; 6. nine layers of plates; 11. fixing the rod; 12. a screw rod; 13. adjusting the nut; 111. a notch; 131. and (4) protruding.
Detailed Description
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The first embodiment is as follows:
referring to fig. 1, the present invention provides an independent steel pipe lattice column for supporting a post-cast strip, comprising: pole setting 1, horizontal pole 2 and top support 3, the equal four that set up of quantity of pole setting 1, horizontal pole 2 and top support 3 at least.
The upright stanchion 1 mainly plays a role of bottom support, and the upright stanchion 1 is arranged to be height-adjustable in the scheme, so that the application range is wide. The upright rod 1 comprises a fixed rod 11, a screw rod 12 and an adjusting nut 13, the upper end of the fixed rod 11 is sleeved with the screw rod 12, the screw rod 12 can move up and down relative to the axis of the fixed rod 11, the adjusting nut 13 is screwed on the circumference of the screw rod 12, and the lower end face of the adjusting nut 13 is abutted to the upper end of the fixed rod 11; when in use, the adjusting nut 13 can be rotated in advance so as to adjust the length of the part of the screw rod 12 exposed out of the fixing rod 11, and then the lower end of the screw rod 12 is sleeved on the upper end of the fixing rod 11; it can also be understood that the screw rod 12 is firstly sleeved on the upper end of the fixing rod 11, and then the length of the portion of the screw rod 12 exposed out of the fixing rod 11 is adjusted by rotating the adjusting nut 13, both of which can be used in the present embodiment.
In order to ensure the stability of the fixing rods 11, cross rods 2 are fixedly connected between adjacent fixing rods 11, and the fixing rods 11 and the cross rods 2 can be connected by means of universal buckles and the like, which belongs to the prior art and is not described herein again, the cross rods 2 are arranged at equal intervals along the fixing rods 11, and the cross rods 2 and the fixing rods 11 are arranged perpendicular to each other;
the upper end of the screw rod 12 is fixedly connected with a jacking 3, the jacking 3 corresponds to the screw rod 12 in number one by one, and the jacking 3 is used for supporting the post-cast strip.
In the scheme, the fixing rods 11 are arranged in a 300mm × 300mm mode, namely four fixing rods 11 are arranged in a square shape with the side length of 300mm, and the specification of the steel pipe is 48mm in diameter and 3mm in wall thickness; a cross rod 2 with the length of 600mm is adopted for transverse reinforcement, the step distance of the cross rod 2 along the direction of the fixed rod 11 is 1200mm, and the distance from the cross rod 2 at the lowest end to the lowest end of the fixed rod 11 is 300 mm; the length of the screw rod 12 is not more than 500mm, the length of the connecting section of the screw rod 12 and the fixed rod 11 is not less than 150mm, and the length of the screw rod 12 exposed out of the fixed rod 11 is not more than 200 mm.
In order to enhance the stability of the fixing rod 11, the bottom end of the fixing rod 11 is provided with a pad 4, and the size of the pad 4 is preferably 150mm × 150 mm.
In order to increase the contact area of the top plate, the upper end of the top support 3 is fixedly connected with a wood balk 5, the cross section of the wood balk 5 is 100mm multiplied by 100mm, and the upper end of the wood balk 5 is provided with a double-layer nine-layer plate 6.
The steel pipe lattice column is mainly arranged at the maximum deflection position in the girder bottom and the plate of the main girder at the two sides of the cantilever structure, independent steel pipe lattice columns are erected at the two sides of the cantilever structure according to the arrangement of the main template supporting system and the position of the cantilever structure, and the edge of each independent steel pipe lattice column is 500mm away from the edge of the cantilever structure.
The steel tube lattice column and the full-hall frame are two independent systems, the distance between the vertical rods of the full-hall frame is usually 900 plus 1200mm, the distance between the vertical rods 1 of the steel tube lattice column is usually 300mm, so the steel tube lattice column is arranged in the cross section of the vertical rods of the full-hall frame and does not influence each other; the independent steel pipe lattice columns can be constructed after the formwork full frame support is built, and the distance between every two adjacent independent steel pipe lattice columns is usually 3-4 m.
It should be noted that in this scheme, the fixing rod 11 and the cross rod 2 can be a fastener type steel pipe, a disc buckle type steel pipe or a bowl buckle type steel pipe.
In the stage of erecting a full framing in the construction of a main structure template, the end parts of beam plates on two sides of a cantilever structure (a post-cast strip, a reserved opening of construction equipment and the like) are additionally provided with an independent steel pipe lattice column for supporting the post-cast strip. After the concrete is poured and the form removal strength is reached, the full framing is removed, and the steel pipe lattice column is kept to support the overhanging part of the reinforced concrete structure, so that the long-term overstock of the turnover material and the quality risk of concrete cracking caused by the sinking of the overhanging end are reduced.
The specific construction process is as follows: erecting a full framing → erecting an independent steel pipe lattice column independent support at the overhanging end → installing a horizontal template → pouring concrete on the full framing and achieving the formwork removal strength → dismantling the full framing, and keeping the independent steel pipe lattice column independent support at the overhanging end → pouring concrete with a cantilever structure.
Example two:
referring to fig. 2-3, the difference between this embodiment and the first embodiment is: an anti-rotation structure is arranged between the adjusting nut 13 and the fixing rod 11.
In order to prevent concreting in-process or concrete coagulation in-process, adjusting nut 13 takes place the rotation, and then drives lead screw 12 downstream, and this embodiment specially is provided with prevents changeing the structure: specifically, the lower end of the adjusting nut 13 is fixedly connected with a protrusion 131, the side wall of the upper end of the fixing rod 11 is provided with a notch 111, and the notch 111 is matched with the protrusion 131.
When the fixing rod is used, the adjusting nut 13 is firstly rotated to adjust the length of the part, exposed out of the fixing rod 11, of the screw rod 12, the lower end of the screw rod 12 is sleeved at the upper end of the fixing rod 11, the protrusion 131 needs to be aligned to the notch 111 in the sleeving process, the protrusion 131 is embedded in the notch 111, and then the adjusting nut 13 is prevented from rotating relative to the fixing rod 11.
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 utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides an independent steel pipe lattice column for supporting post-cast strip which characterized in that includes:
the vertical rod (1), the vertical rod (1) comprises a fixed rod (11), a screw rod (12) and an adjusting nut (13), the screw rod (12) is sleeved at the upper end of the fixed rod (11), the adjusting nut (13) is screwed on the screw rod (12), and the lower end face of the adjusting nut (13) is abutted to the upper end of the fixed rod (11);
the cross rods (2) are fixedly connected between the adjacent fixing rods (11), the cross rods (2) are arranged at equal intervals along the fixing rods (11), and the cross rods (2) and the fixing rods (11) are arranged perpendicularly to each other;
the top support (3), the upper end of the screw rod (12) is fixedly connected with the top support (3), and the top support (3) is used for supporting the post-cast strip.
2. The lattice column of independent steel pipes for supporting the post-cast strip as claimed in claim 1, wherein the lower end of the adjusting nut (13) is fixedly connected with a protrusion (131), the side wall of the upper end of the fixing rod (11) is provided with a notch (111), and the notch (111) is matched with the protrusion (131).
3. The lattice column of independent steel pipes for supporting post-cast strip as claimed in claim 1 or 2, wherein the length of the lead screw (12) is not more than 500mm, the length of the connecting section of the lead screw (12) and the fixing rod (11) is not less than 150mm, and the length of the lead screw (12) exposed out of the fixing rod (11) is not more than 200 mm.
4. The lattice column of independent steel pipes for supporting post-cast strip as claimed in claim 1 or 2, wherein the step distance of the cross bars (2) along the direction of the fixing bars (11) is 1200mm, and the distance of the lowest end of the cross bar (2) from the lowest end of the fixing bars (11) is 300 mm.
5. A free standing steel tubular lattice column for supporting post-cast strip as claimed in claim 1 or 2, characterized in that the cross section of the fixing bar (11) is 300mm x 300 mm.
6. The lattice column of independent steel pipes for supporting post-cast strip as claimed in claim 5, wherein the bottom end of the fixing rod (11) is provided with a backing plate (4).
7. The independent steel pipe lattice column for supporting the post-cast strip according to claim 1 or 2, wherein a wood purlin (5) is fixedly connected to the upper end of the top support (3), and a double-layer nine-layer plate (6) is arranged at the upper end of the wood purlin (5).
8. The lattice column of independent steel pipes for supporting post-cast strip as claimed in claim 1 or 2, wherein the fixing rods (11) and the cross rods (2) are fastener type steel pipes, disc buckle type steel pipes or bowl buckle type steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122388967.XU CN215926746U (en) | 2021-09-30 | 2021-09-30 | Independent steel pipe lattice column for supporting post-cast strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122388967.XU CN215926746U (en) | 2021-09-30 | 2021-09-30 | Independent steel pipe lattice column for supporting post-cast strip |
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| Publication Number | Publication Date |
|---|---|
| CN215926746U true CN215926746U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122388967.XU Active CN215926746U (en) | 2021-09-30 | 2021-09-30 | Independent steel pipe lattice column for supporting post-cast strip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876198A (en) * | 2022-05-26 | 2022-08-09 | 中国建筑第二工程局有限公司 | Formwork support device for building construction and using method |
| CN114922467A (en) * | 2022-05-27 | 2022-08-19 | 中建五局第三建设(深圳)有限公司 | Adjustable steel pipe column supporting structure and construction method |
-
2021
- 2021-09-30 CN CN202122388967.XU patent/CN215926746U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876198A (en) * | 2022-05-26 | 2022-08-09 | 中国建筑第二工程局有限公司 | Formwork support device for building construction and using method |
| CN114876198B (en) * | 2022-05-26 | 2023-10-03 | 中国建筑第二工程局有限公司 | Template support device for building construction and use method |
| CN114922467A (en) * | 2022-05-27 | 2022-08-19 | 中建五局第三建设(深圳)有限公司 | Adjustable steel pipe column supporting structure and construction method |
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