CN214464164U - Pipe jacking working well structure - Google Patents
Pipe jacking working well structure Download PDFInfo
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- CN214464164U CN214464164U CN202120472713.3U CN202120472713U CN214464164U CN 214464164 U CN214464164 U CN 214464164U CN 202120472713 U CN202120472713 U CN 202120472713U CN 214464164 U CN214464164 U CN 214464164U
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Abstract
The utility model discloses a pipe-jacking working well structure, which comprises a plurality of sections of steel cylinders which are arranged from bottom to top in sequence, wherein the plurality of sections of steel cylinders surround a hollow construction space; the adjacent steel cylinder sections are fixedly connected, first stiffening steel plates are arranged at the adjacent positions of the adjacent steel cylinder sections, and bottom sealing concrete is arranged on the inner side of the steel cylinder at the set position of the construction space; working holes are formed in the positions, corresponding to the pipeline openings, of the part of the section steel cylinders, and second stiffening steel plates are arranged on two sides of each working hole; the middle part of the inner wall of each section of steel cylinder is provided with a lifting lug.
Description
Technical Field
The utility model belongs to the technical field of non-excavation such as underground building structure, municipal works and hydraulic engineering, concretely relates to push pipe work well structure.
Background
The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.
The pipe-jacking technology is an important trenchless tunneling type pipeline laying construction technology and is widely applied to laying of urban underground water supply and drainage pipelines, natural gas and petroleum pipelines, communication cables and the like. The road-crossing bridge can cross roads, railways, bridges, mountains, rivers, straits and ground buildings, does not need large-scale land acquisition and removal, can reduce environmental pollution and road blockage, and has remarkable economic and social benefits.
The pipe-jacking working well is an important component of pipe-jacking construction, and the traditional pipe-jacking working well is generally constructed by adopting a sinking well method or a reverse construction method. When the open caisson method is used for construction, constructors can operate outside the well, and the operation process is safe; the reverse construction method needs to cast concrete in situ after excavation, and drainage operation is required to be carried out before construction, so that the construction period is long. For areas with high underground water level, poor soil quality and complex surrounding environment, open caisson construction is generally adopted.
The inventor finds that the supporting structure adopted by the existing open caisson technology mainly comprises reinforced concrete and steel sheet piles, wherein the reinforced concrete has no repeatability, and the cost and the waste are high when the supporting structure is used as a temporary support; the steel sheet pile has the advantage that the construction efficiency is high, but the steel sheet pile is easy to deform, and the potential safety hazard is great.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a push pipe work well structure, this structure has construction convenience, efficient, the wholeness is good, the high characteristics of security.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
in a first aspect, an embodiment of the utility model provides a pipe-jacking working well structure, which comprises a plurality of sections of steel cylinders arranged from bottom to top in sequence, wherein the plurality of sections of steel cylinders surround a hollow construction space; the adjacent steel cylinder sections are fixedly connected, first stiffening steel plates are arranged at the adjacent positions of the adjacent steel cylinder sections, and bottom sealing concrete is arranged on the inner side of the steel cylinder at the set position of the construction space; working holes are formed in the positions, corresponding to the pipeline openings, of the part of the section steel cylinders, and second stiffening steel plates are arranged on two sides of each working hole; the middle part of the inner wall of each section of steel cylinder is provided with a lifting lug.
As a further technical scheme, the first stiffening steel plate is arranged on the inner wall of the steel cylinder, and the first stiffening steel plate and the steel cylinder are connected in a welding mode.
As a further technical scheme, the first stiffening steel plate is annular.
As a further technical scheme, the bottom end of the steel cylinder at the lowest end in the construction space is in a blade shape.
As a further technical scheme, the top end of the uppermost steel cylinder in the construction space is provided with a horizontal steel plate.
As a further technical scheme, the second stiffening steel plate is vertically arranged.
As a further technical scheme, the second stiffening steel plate is arranged on the inner wall of the steel cylinder, and the second stiffening steel plate and the steel cylinder are connected in a welding mode.
As a further technical scheme, the second stiffening steel plate is arranged below the first stiffening steel plate on the inner wall of the same steel cylinder.
As a further technical scheme, the bottom sealing concrete is arranged along the radial direction of the steel cylinder.
As a further technical scheme, the bottom sealing concrete is arranged below the working hole.
Above-mentioned the utility model discloses an embodiment's beneficial effect as follows:
the utility model discloses a push pipe working well structure regards as supporting construction with the steel cylinder, fixed connection between the steel cylinder to set up first stiffening steel sheet, adopt the steel cylinder as working well structure, have the swift characteristics of construction convenience, and adopt the steel cylinder to strut, can effectively alleviate stress concentration.
The bottom end of the lowest steel cylinder of the pipe-jacking working well structure of the utility model is in a blade shape, which is convenient to sink; the inner wall of each steel cylinder is provided with a lifting lug, so that the lifting is convenient, and the steel cylinders above the pipeline openings can be recycled after construction is completed.
The utility model discloses a push pipe work well structure has construction convenience, efficient, wholeness is good, the high worker's characteristics of security, simultaneously, can reuse many times, and the maximize compromises efficiency, economy and safety to reach effectual reduction of construction period, reduce engineering cost's purpose.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
FIG. 1 is a schematic diagram of a pipe-jacking working well according to one or more embodiments of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the steel cylinder with the pipe orifice being deployed;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein, 1, a steel cylinder; 2. a first stiffening steel plate; 3. sealing bottom concrete; 4. lifting lugs; 5. a second stiffening steel plate; 6. a pipeline port.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "upper", "lower", "left" and "right" in the present invention, if any, merely indicate that the directions of movement of the device or element are consistent with those of the drawings, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
The terms "mounted", "connected", "fixed", etc. in the present invention should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Just as the background art introduces, exist not enoughly among the prior art, in order to solve above-mentioned technical problem, the utility model provides a push pipe work well structure.
The utility model discloses an in the typical embodiment, as shown in fig. 1, provide a push pipe work well structure, include from lower to upper multisection steel cylinder 1 that sets gradually, multisection steel cylinder 1 encloses into hollow construction space.
The utility model discloses in, the steel cylinder is steel tubular structure.
The adjacent steel cylinder sections 1 are fixedly connected, and the adjacent steel cylinder sections are provided with first stiffening steel plates 2 at the adjacent positions;
first stiffening steel sheet sets up in the steel cylinder inner wall, and adopts welded connection between first stiffening steel sheet and the steel cylinder.
In a further scheme, the first stiffening steel plate 2 is annular.
In the embodiment, the adjacent steel cylinders are connected by welding.
In a further embodiment, the bottom end of the steel cylinder at the lowest end in the construction space is in a blade shape, and the length of the blade is adjusted as required, so that the soil can be cut into conveniently and quickly.
In the further embodiment, the uppermost steel cylinder top end in the construction space is provided with a horizontal steel plate, the horizontal steel plate can be annularly arranged, and through the arrangement of the horizontal steel plate, a space can be provided for equipment operation in the construction process, and meanwhile, the soil layer structure at the periphery of the wellhead of the working well can be protected.
Part festival steel cylinder sets up the working hole in pipeline mouth 6 correspondence position department, and working hole and pipeline mouth intercommunication, the working hole both sides set up second steel sheet 5 of putting more energy, and the vertical setting of second steel sheet of putting more energy, second steel sheet of putting more energy set up in the both sides in steel cylinder circumference working hole to can consolidate the pipeline mouth both sides.
The second steel sheet of putting more energy into sets up in the steel cylinder inner wall, and adopts welded connection between second steel sheet of putting more energy into and the steel cylinder.
The second steel sheet of putting more energy into 5 can set up in the 2 below of the first steel sheet of putting more energy into of same steel section of thick bamboo inner wall, can consider to put more energy into the second steel sheet of putting more energy into and first steel sheet fixed connection to form wholly, more can guarantee the intensity of pipeline mouth department.
In a preferred embodiment, the middle part of the inner wall of each section of steel cylinder 1 is provided with a lifting lug 4, and the steel cylinder can be hoisted and recovered after the jacking of the pipeline is finished.
It should be understood that the major structure of steel cylinder is cylindric, and then centripetal side is inboard promptly, and centrifugal side is the outside promptly, based on this basic position, the utility model provides an inside and outside is injectd by the accuracy.
In a further embodiment, the inside of the steel cylinder 1 at the set position of the construction space is provided with the bottom sealing concrete 3, the bottom sealing concrete is arranged along the radial direction of the steel cylinder, the construction space of the steel cylinder is divided into different spaces along the radial direction by the bottom sealing concrete, and the bottom sealing concrete is arranged below the working hole; generally, the bottom sealing concrete is arranged on the inner wall of the second section of steel cylinder from bottom to top.
The utility model discloses the concrete construction flow of push pipe work well structure does:
s1, sinking the steel cylinder with the bottom subjected to the rust prevention treatment in a blade shape, and enclosing the steel cylinder to form a construction space;
s2, removing earthwork in the depth of the first section of steel cylinder in the construction space;
s3, welding a first section of steel cylinder and a second section of steel cylinder, and welding a first stiffening steel plate between the two sections of steel cylinders;
s4, sinking the second section of steel cylinder; repeating S3 until reaching the designed elevation;
s5, removing earthwork within the designed elevation range;
s6, performing concrete bottom sealing within the designed elevation;
and S7, after the jacking of the pipeline is finished, backfilling the upper opening of the pipeline at a certain distance, and recovering the steel cylinder.
In the step 1, before the steel cylinder is sunk, the steel cylinder is payed out and positioned on site according to the requirements of design drawings, and a guide frame is arranged.
In the construction process, the steel cylinder is provided with second stiffening steel plates corresponding to the two sides of the pipeline opening.
The utility model is suitable for a construction operation face is less, the higher ejector tube well foundation ditch engineering of environmental protection requirement, has construction convenience, efficient characteristics.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pipe jacking working well structure is characterized by comprising a plurality of sections of steel cylinders which are arranged from bottom to top in sequence, wherein the plurality of sections of steel cylinders surround a hollow construction space; the adjacent steel cylinder sections are fixedly connected, first stiffening steel plates are arranged at the adjacent positions of the adjacent steel cylinder sections, and bottom sealing concrete is arranged on the inner side of the steel cylinder at the set position of the construction space; working holes are formed in the positions, corresponding to the pipeline openings, of the part of the section steel cylinders, and second stiffening steel plates are arranged on two sides of each working hole; the middle part of the inner wall of each section of steel cylinder is provided with a lifting lug.
2. The pipe jacking working well structure of claim 1, wherein the first stiffening steel plate is disposed on the inner wall of the steel cylinder, and the first stiffening steel plate and the steel cylinder are connected by welding.
3. A pipe jacking working well structure as claimed in claim 1 or 2, wherein said first stiffening steel plate is annular.
4. The pipe-jacking working well structure as claimed in claim 1, wherein the bottom end of the steel cylinder at the lowermost end in the working space is in the shape of a blade.
5. The pipe jacking working well structure as claimed in claim 1, wherein the top end of the uppermost steel cylinder in the construction space is provided with a horizontal steel plate.
6. The pipe jacking working well structure of claim 1, wherein said second stiffening steel plates are vertically disposed.
7. The pipe jacking working well structure of claim 1 or 6, wherein the second stiffening steel plate is arranged on the inner wall of the steel cylinder, and the second stiffening steel plate and the steel cylinder are connected by welding.
8. The pipe jacking working well structure of claim 1, wherein the second stiffening steel plates are disposed below the first stiffening steel plates on the inner wall of the same steel cylinder.
9. A pipe jacking working well structure as claimed in claim 1, wherein said closed bottom concrete is arranged in a radial direction of the steel cylinder.
10. A pipe jacking working well structure as claimed in claim 1, wherein said closed bottom concrete is disposed below the working hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120472713.3U CN214464164U (en) | 2021-03-04 | 2021-03-04 | Pipe jacking working well structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120472713.3U CN214464164U (en) | 2021-03-04 | 2021-03-04 | Pipe jacking working well structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214464164U true CN214464164U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120472713.3U Active CN214464164U (en) | 2021-03-04 | 2021-03-04 | Pipe jacking working well structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214464164U (en) |
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2021
- 2021-03-04 CN CN202120472713.3U patent/CN214464164U/en active Active
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