CN209555938U - A kind of deep foundation pit steel tube inner support prestress application structure - Google Patents
A kind of deep foundation pit steel tube inner support prestress application structure Download PDFInfo
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- CN209555938U CN209555938U CN201822117980.XU CN201822117980U CN209555938U CN 209555938 U CN209555938 U CN 209555938U CN 201822117980 U CN201822117980 U CN 201822117980U CN 209555938 U CN209555938 U CN 209555938U
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- steel
- batten plate
- foundation pit
- adjusting rod
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Abstract
The utility model provides a kind of deep foundation pit steel tube inner support prestress application structure, it is set to the sidewall surfaces of the purlin of foundation pit, including steel pipe, the left end surface of the steel pipe is welded with the first circular steel batten plate, and the left end surface of the first circular steel batten plate is welded with quill；The sidewall surfaces of the purlin are fixedly connected with rectangular batten plate, the right end face of the rectangular batten plate is fixedly connected with fixes sleeve, the interior side-wall surface of the fixes sleeve is welded with adjusting rod, the right end of the adjusting rod extends to the inside of quill, the portion outboard wall surface that the adjusting rod stretches out in fixes sleeve is equipped with external screw thread, and the adjusting rod is threaded with adjusting block；The utility model structure is simple, easy to operate, can quickly fix the position of steel pipe and sleeve, realize optimal pumping efficiency, solve the problems, such as the prior art using drift be not easy to adjust bracing members it is prestressed.
Description
Technical field
The utility model relates to foundation pit enclosure technical field, specially a kind of deep foundation pit steel tube inner support prestress application knot
Structure.
Background technique
In recent years, with the fast development of China major urban skyscraper, super high-rise building and municipal works, underground is empty
Between exploitation scale increasingly increase, corresponding deep foundation pit engineering is also more and more, therefore, the technique of design and construction of deep basal pit
Become hot technology problem.
At the same time, the requirement with engineering to deep basal pit is higher and higher, causes constantly to occur in work progress various
Problem.
Conventional bracing members in deep-foundation pit engineering are active as shown in Figure 1, bracing members include fixing end, movable end and steel pipe
End is similar to " drawer " structure, accommodates 27 two parts of steel pipe by movable end and movable end and forms；Movable end is by end steel
Plate 21, telescopic rod 25, floor 22 of putting more energy into, etc. parts assembly be welded into.The bracing members play the role of cross-brace to deep basal pit, make
Used time opens receiving steel pipe 27 with jack, exposes two telescopic rods 25, first need to be flexible at two when applying prestressing force
Install rectangle cushion block 26 and lower part drift 23, last wedge in telescopic rod guide groove between bar 25 additional prevents into top drift 24
Telescopic rod 25, which is retracted to, to be accommodated in steel pipe 27.Since traditional operation does not add limiting device to lower part drift 23, constructing
Exist in the process when striking top drift 24 with sledgehammer, due to stress, it may occur that lower part drift 23 and top drift 24
The problem of being displaced downwardly together be easy to cause the unstability of work progress；And it cannot achieve drift (including top drift 24
And lower part drift 23) and telescopic rod 25 between relative position fine tuning, it is difficult to the two relative position is adjusted to best, thus difficult
To obtain optimal pumping efficiency.
Utility model content
Utility model aims to solve the prior arts mentioned above in the background art to be not easy to adjust using drift
Save the prestressed problem of bracing members.
To achieve the above object, the utility model provides a kind of deep foundation pit steel tube inner support prestress application structure, setting
In the sidewall surfaces of the purlin of foundation pit, including steel pipe, the left end surface of the steel pipe is welded with the first circular steel batten plate, and described
The left end surface of one circular steel batten plate is welded with quill；The sidewall surfaces of the purlin are fixedly connected with rectangular batten plate, institute
The right end face for stating rectangular batten plate is fixedly connected with fixes sleeve, and the interior side-wall surface of the fixes sleeve is welded with adjusting rod,
The right end of the adjusting rod extends to the inside of quill, and the adjusting rod stretches out in the portion outboard wall surface of fixes sleeve
Equipped with external screw thread, the adjusting rod is threaded with adjusting block.
Preferably, the left end surface of the lateral wall of the quill and the first circular steel batten plate is welded with multiple ribbed stiffeners
Plate.
Preferably, the right end face of the lateral wall of the fixes sleeve and rectangular batten plate is welded with multiple floors of putting more energy into.
Preferably, the outer diameter of the adjusting rod is less than the internal diameter of quill, and the adjusting rod stretches out in fixing sleeve canister portion
The equal length of the length and quill divided.
Preferably, the adjusting block is equipped with threaded hole, and the external screw thread of the threaded hole and adjusting rod matches.
Preferably, the right end face of the steel pipe is equipped with the second circular steel batten plate, the steel pipe and the second circular steel batten plate
Between be welded with ring steel plate, be connected with flange, the second circular steel batten plate and flange on the right side of the second circular steel batten plate
Opposite position on offer screw hole.
Preferably, the lateral wall of the steel pipe and ring steel plate left end surface are welded with multiple floors of putting more energy into.
The utility model compared with prior art, has the following advantages and benefits:
1) the deep foundation pit steel tube inner support prestress application structure, is fixed on purlin side for fixes sleeve by rectangular batten plate
Wall can be fixedly connected with adjusting rod by fixes sleeve, pass through setting adjusting rod and be threadedly coupled adjusting block, can be convenient for fixed steel
The position of pipe and sleeve, can be realized the fine tuning of said two devices position, to obtain optimal pumping efficiency.
2) the deep foundation pit steel tube inner support prestress application structure can be with by adjusting the position of steel pipe using jack
Quickly steel pipe is opened, and adjusting rod and adjusting block is cooperated to use, what be can be improved applies prestressing force efficiency to bracing members.
The utility model structure is simple, easy to operate, can quickly fix the position of steel pipe and sleeve, realizes optimal add
Press efficiency, solve the problems, such as the prior art using drift be not easy to adjust bracing members it is prestressed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the diagrammatic cross-section of the utility model；
In figure: 1 purlin, 2 steel pipes, 3 first circular steel plate batten plates, 4 quills, 5 rectangular batten plates, 6 fixes sleeves, 7 are adjusted
Pole, 8 adjusting blocks, 9 are put more energy into floor, 10 second circular steel batten plates, 11 ring steel plates, 12 flanges, 13 jack, 21 end steel
Plate, 22 put more energy into floor, 23 lower part drifts, 24 top drifts, 25 telescopic rods, 26 rectangle cushion blocks, 27 accommodate steel pipes.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain that this is practical
It is novel, it is not used to limit the utility model.
With reference to the accompanying drawing and specific embodiment is further described the application principle of the utility model.
Embodiment one
A kind of deep foundation pit steel tube inner support prestress application structure as shown in Figure 1 to Figure 3, is set to the purlin 1 of foundation pit
Sidewall surfaces, including steel pipe 2, the left end surface of steel pipe 2 be welded with the first circular steel batten plate 3, a left side for the first circular steel batten plate 3
End surfaces are welded with quill 4；The sidewall surfaces of purlin 1 are fixedly connected with rectangular batten plate 5, the right end face of rectangular batten plate 5
It is fixedly connected with fixes sleeve 6, the interior side-wall surface of fixes sleeve 6 is welded with adjusting rod 7, and the right end of adjusting rod 7 extends to work
The inside of moving sleeve 4, the portion outboard wall surface that adjusting rod 7 stretches out in fixes sleeve 6 are equipped with external screw thread, and 7 screw thread of adjusting rod connects
It is connected to adjusting block 8.
Wherein, the left end surface of the lateral wall of quill 4 and the first circular steel batten plate 3 is welded with multiple floors 9 of putting more energy into；
The right end face of the lateral wall of fixes sleeve 6 and rectangular batten plate 5 is welded with multiple floors 9 of putting more energy into；The outer diameter of adjusting rod 7, which is less than, lives
The internal diameter of moving sleeve 4, adjusting rod 7 stretch out in the length of 6 part of fixes sleeve and the equal length of quill 4；Adjusting block 8
Equipped with threaded hole, the external screw thread of threaded hole and adjusting rod 7 matches；The right end face of steel pipe 2 is equipped with the second circular steel batten plate 10,
It is welded with ring steel plate 11 between steel pipe 2 and the second circular steel batten plate 10, is connected with flange 12 on the right side of the second circular steel batten plate 10,
Screw hole is offered on second circular steel batten plate 10 and the opposite position of flange 12；The lateral wall and ring steel plate 11 of steel pipe 2 are left
End surfaces are welded with multiple floors 9 of putting more energy into.
Embodiment two
A kind of deep foundation pit steel tube inner support prestressing force adjustment structure, implementation step are as follows:
Step 1, pre-production fixes sleeve 6 and quill 4, and adjusting rod 7 is welded in the inner sidewall of fixes sleeve 6,
And make the adjusting block 8 being threadedly coupled with adjusting rod 7；
The surface of the fixed rectangular batten plate 5 of 1 side wall of purlin is welded and fixed sleeve 6, and welds floor 9 of putting more energy by step 2, and
Adjusting block 8 is screwed at adjusting rod 7, adjusting block 8 is screwed onto the side of fixes sleeve 6；
Step 3 welds the first circular steel plate batten plate 3 in the end surface of steel pipe 2, and in the first circular steel plate batten plate 3
Quill 6 is welded on surface, and welds the reinforcing of floor 9 of putting more energy into；
Step 4, tentatively installation bracing members, are sheathed on adjusting rod 7 inside quill 4；
Step 5 is arranged jack 13, its both ends is made to offset with adjusting block 8 and the first circular steel plate batten plate, and uses thousand
Jin top 13 applies prestressing force to design value；
Step 6 tightens adjusting block 8, unclamps jack 13, completes the pressurization of bracing members.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
The above is only to make in the specific embodiment party of the utility model skilled artisans appreciate that or realizing this
Utility model.Various modifications to these embodiments will be apparent to one skilled in the art, institute herein
The General Principle of definition can be realized in other embodiments without departing from the spirit or scope of the present utility model.
Therefore, the present invention will not be limited to the embodiments shown herein, and is to fit to and original disclosed herein
Manage the widest scope consistent with features of novelty.
Claims (7)
1. a kind of deep foundation pit steel tube inner support prestress application structure is set to the sidewall surfaces of the purlin (1) of foundation pit, including steel
It manages (2), which is characterized in that
The left end surface of the steel pipe (2) is welded with the first circular steel batten plate (3), the left end of the first circular steel batten plate (3)
Surface is welded with quill (4)；
The sidewall surfaces of the purlin (1) are fixedly connected with rectangular batten plate (5), and the right end face of the rectangular batten plate (5) is fixed
It is connected with fixes sleeve (6), the interior side-wall surface of the fixes sleeve (6) is welded with adjusting rod (7), the adjusting rod (7)
Right end extends to the inside of quill (4), and the portion outboard wall surface that the adjusting rod (7) stretches out in fixes sleeve (6) is set
There is external screw thread, the adjusting rod (7) is threaded with adjusting block (8).
2. a kind of deep foundation pit steel tube inner support prestress application structure according to claim 1, which is characterized in that the work
The left end surface of the lateral wall of moving sleeve (4) and the first circular steel batten plate (3) is welded with multiple floors of putting more energy into (9).
3. a kind of deep foundation pit steel tube inner support prestress application structure according to claim 1, which is characterized in that described solid
The right end face of the lateral wall and rectangular batten plate (5) of determining sleeve (6) is welded with multiple floors of putting more energy into (9).
4. a kind of deep foundation pit steel tube inner support prestress application structure according to claim 1, which is characterized in that the tune
The outer diameter of pole (7) is less than the internal diameter of quill (4), the adjusting rod (7) stretch out in the length of fixes sleeve (6) part with
The equal length of quill (4).
5. a kind of deep foundation pit steel tube inner support prestress application structure according to claim 1, which is characterized in that the tune
Locking nub (8) is equipped with threaded hole, and the threaded hole and the external screw thread of adjusting rod (7) match.
6. a kind of deep foundation pit steel tube inner support prestress application structure according to claim 1, which is characterized in that the steel
The right end face for managing (2) is equipped with the second circular steel batten plate (10), welds between the steel pipe (2) and the second circular steel batten plate (10)
Have ring steel plate (11), is connected with flange (12) on the right side of the second circular steel batten plate (10), the second circular steel batten plate
(10) and screw hole is offered on the opposite position of flange (12).
7. a kind of deep foundation pit steel tube inner support prestress application structure according to claim 6, which is characterized in that the steel
The lateral wall and ring steel plate (11) left end surface for managing (2) are welded with multiple floors of putting more energy into (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822117980.XU CN209555938U (en) | 2018-12-17 | 2018-12-17 | A kind of deep foundation pit steel tube inner support prestress application structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822117980.XU CN209555938U (en) | 2018-12-17 | 2018-12-17 | A kind of deep foundation pit steel tube inner support prestress application structure |
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| CN209555938U true CN209555938U (en) | 2019-10-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095624A (en) * | 2020-09-28 | 2020-12-18 | 河南省浸江建筑科技有限公司 | Built-in prestressing force axle power ware connection structure of building foundation ditch steel pipe brace |
| CN112177011A (en) * | 2020-09-07 | 2021-01-05 | 中国一冶集团有限公司 | Foundation pit force application device, foundation pit steel support device and foundation pit steel support installation method |
| CN113250203A (en) * | 2021-05-18 | 2021-08-13 | 吁伟 | Controllable foundation pit steel supporting structure applying prestress |
-
2018
- 2018-12-17 CN CN201822117980.XU patent/CN209555938U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177011A (en) * | 2020-09-07 | 2021-01-05 | 中国一冶集团有限公司 | Foundation pit force application device, foundation pit steel support device and foundation pit steel support installation method |
| CN112095624A (en) * | 2020-09-28 | 2020-12-18 | 河南省浸江建筑科技有限公司 | Built-in prestressing force axle power ware connection structure of building foundation ditch steel pipe brace |
| CN113250203A (en) * | 2021-05-18 | 2021-08-13 | 吁伟 | Controllable foundation pit steel supporting structure applying prestress |
| CN113250203B (en) * | 2021-05-18 | 2022-12-13 | 湖南名墅建筑科技有限公司 | Controllable foundation pit steel supporting structure applying prestress |
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