CN211200403U - Interim stand construction structures - Google Patents
Interim stand construction structures Download PDFInfo
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- CN211200403U CN211200403U CN201922113289.9U CN201922113289U CN211200403U CN 211200403 U CN211200403 U CN 211200403U CN 201922113289 U CN201922113289 U CN 201922113289U CN 211200403 U CN211200403 U CN 211200403U
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- shaped steel
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- reinforcement cage
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Abstract
The utility model discloses an interim stand construction structures, including positioning mechanism and fixed cover, the upper end of steel reinforcement cage is less than the top that a steel protected, and the top of shaped steel post and steel reinforcement cage's top parallel and level, the lower extreme suit of fixed cover stretch out to the steel protects a section of thick bamboo outside at the top of shaped steel post and its upper end, and fixed cover includes four angular support piece, and four angular support piece are connected through a plurality of connecting rods. The utility model discloses a fixed cover is established to the upper end cover at shaped steel post, can extend shaped steel post, can make fixed cover stretch out to the steel protects a section of thick bamboo outside, and then be convenient for carry out neutralization rotation control to shaped steel post through fixed cover outside the pile foundation hole, can effectively improve shaped steel post's installation accuracy, after shaped steel post position determination, can dismantle fixed cover and fix shaped steel post through positioning mechanism, prevent the in-process of pouring of concrete, shaped steel post and reinforcement cage receive concrete pressure's impact and take place relative displacement or rotation, further improve the shaping quality of interim stand.
Description
Technical Field
The utility model belongs to the technical field of the rail traffic engineering, concretely relates to interim stand construction structures.
Background
In urban subway construction, especially in the process of constructing a subway station, some temporary stand columns are often required to be constructed, the temporary stand columns play the roles of supporting, connecting steel supporting or concrete supporting in foundation pit engineering, and deviation, torsion and the like of the temporary stand columns have important influences on the quality of a supporting system, a standardized construction site and the like in the construction process.
The existing temporary stand column consists of a reinforced concrete pile vertically arranged in a pile foundation hole and a section steel column inserted on the concrete pile, the reinforced concrete pile is formed by a reinforcement cage and a concrete structure integrated with the reinforcement cage, and a steel pile casing can be embedded before drilling the pile foundation hole to drill. When the construction of carrying out interim stand, need be with the lower part cartridge of shaped steel post back in the steel reinforcement cage, the concrete is poured again, because not consolidate between shaped steel post and the steel reinforcement cage, when pouring the concrete, the shaped steel post receives the impact of concrete and causes shaped steel post to rotate in the steel reinforcement cage easily, leads to the interim stand structural strength after the construction not enough, appears the off normal and crooked problem. Meanwhile, the top of the temporary column section steel column is generally lower than the slurry level of the steel casing, so that the section steel column is inconvenient to center and rotate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem lie in not enough among the above-mentioned prior art, provide an interim stand construction structures, its structural design is reasonable, establish a fixed cover through the upper end cover at shaped steel post, can extend shaped steel post, can make fixed cover stretch out to the steel protects the section of thick bamboo outside, and then be convenient for carry out neutralization rotation control to shaped steel post through fixed cover outside the pile foundation hole, can effectively improve shaped steel post's installation accuracy, after shaped steel post position is confirmed, can dismantle fixed cover and fix shaped steel post through positioning mechanism, prevent the in-process of pouring of concrete, shaped steel post and steel reinforcement cage receive the impact of concrete pressure and take place relative displacement or rotation, further improve interim stand's shaping quality.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a interim stand construction structures which characterized in that: the steel reinforcement cage of the constructed temporary stand column is limited in the steel protection cylinder, the upper end of the steel reinforcement cage is lower than the outside of the steel protection cylinder, the top of the steel reinforcement cage is not lower than the top of the steel reinforcement cage, the lower end of the fixing sleeve is sleeved at the top of the steel column, the upper end of the fixing sleeve extends out of the top of the steel protection cylinder, the fixing sleeve comprises four angular support pieces, and the four angular support pieces are connected together through a plurality of connecting rods to form a rectangular sleeve.
Foretell interim stand construction structures which characterized in that: the angle-shaped support piece is an angle steel, the connecting rod is a round steel, and the angle-shaped support piece and the connecting rod are welded and fixed.
Foretell interim stand construction structures which characterized in that: adjacent two all from top to bottom be connected with a plurality of connecting rods between the angular support piece, it is a plurality of through vertical gusset rod fastening connection between the connecting rod.
Foretell interim stand construction structures which characterized in that: the positioning mechanism is a cross positioning rib which comprises a transverse positioning rib and a longitudinal positioning rib which are respectively welded on two adjacent right-angle sides of the section steel column.
Foretell interim stand construction structures which characterized in that: and the two ends of the transverse positioning rib and the longitudinal positioning rib are arranged close to the inner side wall of the steel casing.
Foretell interim stand construction structures which characterized in that: and the transverse positioning rib and the longitudinal positioning rib are uniformly arranged at the upper end of the reinforcement cage and are welded and fixed with the reinforcement cage.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a establish a fixed cover at shaped steel post's upper end cover, can extend shaped steel post, can make fixed cover stretch out to the steel protects a section of thick bamboo outside, and then be convenient for carry out neutralizing rotation control to shaped steel post through fixed cover outside the pile foundation hole, can effectively improve shaped steel post's installation accuracy.
2. The utility model discloses a fixed positioning mechanism in the upper portion of shaped steel post can hang at shaped steel post and put downthehole to the pile foundation to before concreting, can fix a position and fix the position of shaped steel post through positioning mechanism, prevent concreting's the in-process, shaped steel post and steel reinforcement cage receive the impact of concrete pressure and take place relative displacement or rotation, and then lead to the structural strength of the interim stand of construction completion not enough.
To sum up, the utility model has the advantages of reasonable design, establish a fixed cover through the upper end cover at shaped steel post, can extend shaped steel post, can make fixed cover stretch out to the steel protect a section of thick bamboo outside, and then be convenient for carry out neutralization rotation control to shaped steel post through fixed cover outside the pile foundation hole, can effectively improve shaped steel post's installation accuracy, after shaped steel post position is confirmed, can dismantle fixed cover and fix shaped steel post through positioning mechanism, prevent the in-process of pouring of concrete, shaped steel post and steel reinforcement cage receive concrete pressure's impact and take place relative displacement or rotation, further improve interim stand's shaping quality.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic view of the structure of the utility model in the centering state of the fixing sleeve.
Fig. 2 is the structure diagram of the positioning mechanism of the present invention in the positioning state.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a schematic structural view of the fixing sleeve of the present invention.
Fig. 5 is a top view of fig. 4.
Description of reference numerals:
1-section steel column; 2, fixing a sleeve; 2-1-corner support members;
2-connecting rod; 2-3-vertical reinforcing rods; 3, a reinforcement cage;
4-steel casing; 5-1-transverse positioning ribs; 5-2-longitudinal positioning ribs.
Detailed Description
As shown in fig. 1, the utility model discloses a positioning mechanism and cover that carry out the location to shaped steel post 1 of the interim stand of being under construction establish the shaped steel post 1 upper end of the interim stand of being under construction and be used for adding fixed cover 2 of elongated steel post 1, be tight fit between fixed cover 2 and shaped steel post 1, the steel reinforcement cage 3 of the interim stand of being under construction is spacing in steel protects a section of thick bamboo 4 and its upper end is less than the top of steel protection section of thick bamboo 4, the top of shaped steel post 1 is not less than the top of steel reinforcement cage 3, the lower extreme suit of fixed cover 2 is outside at the top of shaped steel post 1 and its upper end stretches out to steel protection section of thick bamboo 4, fixed cover 2 includes four angular support piece 2-1, and four angular support piece 2-1 link together through a plurality of.
During the in-service use, establish a fixed cover 2 through the upper end cover at shaped steel post 1, can extend shaped steel post 1, can make fixed cover 2 stretch out to the steel protect a section of thick bamboo 4 outside, and then be convenient for carry out neutralization rotation control through fixed cover 2 to shaped steel post 1 outside the pile foundation hole, can effectively improve shaped steel post 1's installation accuracy.
It should be noted that the fixed sleeve 2 is only tightly matched with the section steel column 1, so that the fixed sleeve 2 can be conveniently mounted and dismounted, and the fixed sleeve 2 can be used repeatedly.
During the in-service use, through a fixed positioning mechanism in the upper portion of shaped steel post 1, can hang at shaped steel post 1 and put downthehole to the pile foundation to before pouring of concrete, can fix a position and fix shaped steel post 1's position through positioning mechanism, prevent the in-process of pouring of concrete, shaped steel post 1 and steel reinforcement cage 3 receive the impact of concrete pressure to take place relative displacement or rotation, and then lead to the structural strength of the interim stand of construction completion not enough.
As shown in fig. 4 and 5, in this embodiment, the angle support 2-1 is an angle steel, the connecting rod 2-2 is a round steel, and the angle support 2-1 and the connecting rod 2-2 are welded and fixed.
During practical use, the four angle-shaped supporting pieces 2-1 in the fixing sleeve 2 are respectively clamped at the four corners of the section steel column 1, and the length of the connecting rods 2-2 can be correspondingly adjusted according to the size of the section steel column 1, so that the four angle-shaped supporting pieces 2-1 are connected into a whole by the connecting rods 2-2, and the four angle-shaped supporting pieces 2-1 can be just in tight fit with the section steel column 1.
In this embodiment, the angle support 2-1 is made of equilateral right angle steel with the specification of 75mm × 75mm × 4mm, and the connecting rod 2-2 is made of round steel with the diameter of phi 20 mm.
In this embodiment, a plurality of connecting rods 2-2 are connected between two adjacent angle-shaped supporting pieces 2-1 from top to bottom, and the connecting rods 2-2 are fastened and connected through vertical reinforcing rods 2-3.
During the actual use, each side of fixed cover 2 all is laid one or two vertical strengthening rod 2-3, can improve the structural strength of fixed cover 2.
In the embodiment, as shown in fig. 2 and 3, the positioning mechanism is a cross positioning rib, and the cross positioning rib includes a transverse positioning rib 5-1 and a longitudinal positioning rib 5-2 that are respectively welded to two adjacent right-angle sides of the section steel column 1.
In actual use, the transverse positioning rib 5-1 and the longitudinal positioning rib 5-2 are welded on the side wall of the upper end of the section steel column 1, and the transverse positioning rib 5-1 and the longitudinal positioning rib 5-2 are welded into a whole, so that the transverse positioning rib 5-1 and the longitudinal positioning rib 5-2 can be fixed with each other, and the stability is improved.
In this embodiment, the two ends of the transverse positioning rib 5-1 and the longitudinal positioning rib 5-2 are both arranged closely to the inner side wall of the steel casing 4.
In this embodiment, the transverse positioning rib 5-1 and the longitudinal positioning rib 5-2 are uniformly distributed at the upper end of the reinforcement cage 3 and are welded and fixed with the reinforcement cage 3.
During actual use, when the section steel column 1 and the steel reinforcement cage 3 are integrally hoisted, if the section steel column 1 rotates all the time in a stubborn hole, under the condition of ensuring that the center of the section steel column 1 is aligned with the center of a pile foundation hole, the transverse positioning rib 5-1 and the longitudinal positioning rib 5-2 can be welded on two adjacent right-angle edges at the upper end of the section steel column 1 respectively for fixing, so that the section steel column 1 and the steel reinforcement cage 3 are prevented from being inclined or twisted, the structural strength of the temporary stand column can be effectively improved, and the impression quality of the temporary stand column is improved.
When the utility model is used in practice, the steel reinforcement cage 3 is hoisted to the position right above the steel casing 4 in the pile foundation hole by adopting a 35t truck crane, the lower part of the steel reinforcement cage 3 is temporarily fixed at the top of the steel casing 4, the section steel column 1 is hoisted into the steel reinforcement cage 3 by adopting the 35t truck crane, and the section steel column 1 and the reinforcement cage 3 are welded into a whole and are hoisted into the steel casing 4 by adopting a 35t truck crane, as shown in figure 1, a fixing sleeve 2 is arranged at one end of the section steel column 1, the mounting positions of the section steel column 1 and the reinforcement cage 3 are finely adjusted through the fixing sleeve 2, after the mounting positions of the section steel column 1 and the reinforcement cage 3 are adjusted, the fixing sleeve 2 is detached, as shown in figure 2, and (3) welding a positioning mechanism at the upper end of the section steel column 1 to position and fix the section steel column 1 in the steel protective cylinder 4, pouring concrete into the steel protective cylinder 4, and finishing the construction of the temporary stand column after the concrete is finally set.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (6)
1. The utility model provides a interim stand construction structures which characterized in that: comprises a positioning mechanism for positioning a section steel column (1) of the constructed temporary stand column and a fixing sleeve (2) which is sleeved at the upper end of the section steel column (1) of the constructed temporary stand column and is used for lengthening the section steel column (1), the fixed sleeve (2) is tightly matched with the section steel column (1), a reinforcement cage (3) of the constructed temporary upright column is limited in the steel protective cylinder (4), the upper end of the reinforcement cage is lower than the top of the steel protective cylinder (4), the top of the section steel column (1) is not lower than the top of the steel reinforcement cage (3), the lower end of the fixing sleeve (2) is sleeved on the top of the section steel column (1), and the upper end of the fixing sleeve extends out of the steel protection cylinder (4), the fixing sleeve (2) comprises four angle-shaped supporting pieces (2-1), and the four angle-shaped supporting pieces (2-1) are connected together through a plurality of connecting rods (2-2) to form a rectangular sleeve.
2. A temporary post construction structure according to claim 1, wherein: the angle support piece (2-1) is an angle steel, the connecting rod (2-2) is a round steel, and the angle support piece (2-1) and the connecting rod (2-2) are welded and fixed.
3. A temporary post construction structure according to claim 2, wherein: two adjacent angular support piece (2-1) between all be connected with a plurality of connecting rods (2-2) from top to bottom, it is a plurality of through vertical strengthening rod (2-3) fastening connection between connecting rod (2-2).
4. A temporary post construction structure according to claim 1, wherein: the positioning mechanism is a cross positioning rib, and the cross positioning rib comprises a transverse positioning rib (5-1) and a longitudinal positioning rib (5-2) which are respectively welded on two adjacent right-angle sides of the section steel column (1).
5. A temporary post construction structure according to claim 4, wherein: the two ends of the transverse positioning rib (5-1) and the longitudinal positioning rib (5-2) are arranged to be clung to the inner side wall of the steel casing (4).
6. A temporary post construction structure according to claim 5, wherein: the transverse positioning ribs (5-1) and the longitudinal positioning ribs (5-2) are uniformly distributed at the upper end of the reinforcement cage (3) and are welded and fixed with the reinforcement cage (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922113289.9U CN211200403U (en) | 2019-11-29 | 2019-11-29 | Interim stand construction structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922113289.9U CN211200403U (en) | 2019-11-29 | 2019-11-29 | Interim stand construction structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211200403U true CN211200403U (en) | 2020-08-07 |
Family
ID=71853298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922113289.9U Active CN211200403U (en) | 2019-11-29 | 2019-11-29 | Interim stand construction structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211200403U (en) |
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2019
- 2019-11-29 CN CN201922113289.9U patent/CN211200403U/en active Active
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