CN219637922U - Push pipe working well foundation pit supporting structure - Google Patents

Push pipe working well foundation pit supporting structure Download PDF

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Publication number
CN219637922U
CN219637922U CN202321364286.2U CN202321364286U CN219637922U CN 219637922 U CN219637922 U CN 219637922U CN 202321364286 U CN202321364286 U CN 202321364286U CN 219637922 U CN219637922 U CN 219637922U
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CN
China
Prior art keywords
working well
foundation pit
fixedly connected
well foundation
pipe
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CN202321364286.2U
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Chinese (zh)
Inventor
贾振鹏
王飞
郭超
李正方
靳丹
吴先举
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Sinohydro Corp Engineering Bureau 15 Co Ltd
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Sinohydro Corp Engineering Bureau 15 Co Ltd
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Priority to CN202321364286.2U priority Critical patent/CN219637922U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy

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Abstract

The utility model discloses a pipe-jacking working well foundation pit supporting structure which comprises a working well foundation pit body, wherein two supporting plates are arranged in the working well foundation pit body, two groups of connecting blocks are fixedly connected to the inner wall of each supporting plate, connecting holes are formed in the upper surface of each connecting block, inserting columns are arranged in the connecting holes, connecting plates are fixedly connected to the top ends of the inserting columns, and arc-shaped plates are fixedly connected to the ends, close to each other, of each connecting plate. According to the utility model, through the cooperation of the positive and negative threaded rod, the threaded cylinder, the arc plate, the plunger and the connecting block, the arc plate can be pushed by the threaded cylinder by utilizing the rotation of the positive and negative threaded rod, the plunger can be clamped with the connecting hole on the connecting block, a jacking state between two support plates can be formed, the connection firmness between the support plates is enhanced, and the effect of supporting the foundation pit body of the working well is further improved.

Description

Push pipe working well foundation pit supporting structure
Technical Field
The utility model relates to the technical field of foundation pit support of a pipe-jacking working well, in particular to a foundation pit support structure of the pipe-jacking working well.
Background
The pipe jacking construction is another non-excavation technology developed after the shield construction, is widely used in laying and repairing various underground pipelines and cables at present, has smaller ground excavation range compared with the traditional excavation construction technology, has less influence on damaging ground construction (building) buildings and less interference on surrounding environment, is an environment-friendly construction technology, and is often preferentially adopted in the design process, and a working well is used as a main working place for pipe jacking construction and is a place for placing pipe jacking equipment.
When the foundation pit of the pipe-jacking working well is excavated, a working well is designed by adopting steel sheet pile support or manual hole digging pile support, but when the existing foundation pit support structure is used, the effect of supporting is achieved by adopting support plates to splice the foundation pit support structure, but the mode is poor in firmness, the bearing pressure is weakened, the supporting effect is reduced, and therefore, the foundation pit support structure of the pipe-jacking working well is provided for solving the problem.
Disclosure of Invention
In order to solve the problems that the prior foundation pit supporting structure in the background art is mainly and directly spliced by supporting plates to achieve the supporting effect when in use, but the mode is poor in firmness, the born pressure is weakened, and the supporting effect is reduced, the utility model provides a foundation pit supporting structure for a pipe-jacking working well.
The utility model provides a push pipe working well foundation ditch supporting construction, includes the working well foundation ditch body, the inside of working well foundation ditch body is provided with two backplate, every the equal fixedly connected with of inner wall of backplate two sets of connecting blocks, every the connecting hole has all been seted up to the upper surface of connecting block, every the inside of connecting hole all is equipped with the spliced pole, every the equal fixedly connected with connecting plate in top of spliced pole, every group the one end that the connecting plate is close to each other is common fixedly connected with arc, every group the equal fixedly connected with screw thread section of thick bamboo of a side that the arc is close to each other, every group the common threaded connection of inner wall of screw thread section of thick bamboo has positive and negative threaded rod.
In a further embodiment, two groups of fixing blocks are fixedly connected to the inner wall of each support plate, screw holes are formed in the front face of each fixing block, and connecting nails are connected to the inner walls of the screw holes in a threaded mode.
In a further embodiment, two reinforcing rods are fixedly connected to one side face, close to each other, of each group of arc plates, and one end, close to each other, of each group of reinforcing rods is fixedly connected with the outer surfaces of the two threaded cylinders respectively.
In a further embodiment, a protective sleeve is sleeved on the outer surface of each positive and negative threaded rod, and anti-skid patterns are formed on the outer surface of each protective sleeve.
In a further embodiment, each set of the connection plates and each set of connection blocks are arranged in a ring.
In a further embodiment, the outer surface of each of the plug posts is engaged with the inner wall of the connecting hole.
Compared with the prior art, the utility model has the following advantages:
this device is through the cooperation of positive and negative threaded rod, screw thread section of thick bamboo, arc, spliced pole, connecting block and the connecting hole that set up, utilizes the rotation to positive and negative threaded rod, can let the screw thread section of thick bamboo promote the arc, and the spliced pole just can with the connecting hole chucking above the connecting block, can form the top between two backplate and hold the state, has strengthened the fastness of connection between the backplate, has further promoted the effect to working well foundation ditch body support.
Drawings
Fig. 1 is a schematic perspective view of a foundation pit supporting structure of a pipe-jacking working well.
Fig. 2 is a schematic perspective view of a support plate of a foundation pit support structure of a pipe-jacking working well.
Fig. 3 is a schematic perspective view of a connection block of a foundation pit supporting structure of a pipe-jacking working well.
Fig. 4 is a schematic perspective view of an arc plate of a foundation pit supporting structure of a pipe-jacking working well.
Reference numerals illustrate: 1. a working well foundation pit body; 2. a connecting plate; 3. a support plate; 4. connecting nails; 5. a reinforcing rod; 6. a thread cylinder; 7. a protective sleeve; 8. an arc-shaped plate; 9. a connecting block; 10. a positive and negative threaded rod; 11. a fixed block; 12. a connection hole; 13. a screw hole; 14. and (5) inserting a column.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, in the utility model, a supporting structure for a pipe-jacking working well foundation pit comprises a working well foundation pit body 1, two supporting plates 3 are arranged in the working well foundation pit body 1, the two supporting plates 3 are spliced to form a supporting structure for the inner side wall of the working well foundation pit body 1, two groups of connecting blocks 9 are fixedly connected to the inner wall of each supporting plate 3, connecting holes 12 are formed in the upper surface of each connecting block 9, inserting columns 14 are arranged in each connecting hole 12, after the inserting columns 14 enter the connecting holes 12, connection is formed between the supporting plates 3 and arc plates 8, when the arc plates 8 apply a jacking force to the supporting plates 3, the firmness of the supporting plates 3 can be enhanced, the top ends of each inserting column 14 are fixedly connected with connecting plates 2, one end of each group of connecting plates 2 close to each other is fixedly connected with an arc plate 8, one side surface of each group of arc plates 8 close to each other is fixedly connected with a threaded rod 6, the inner wall of each group of threaded cylinders 6 is commonly threaded with a positive and negative threaded rod 10, and when the positive and negative threaded rods 10 are rotated, the two threaded cylinders 6 can move away from each other to push the arc plates 6 to apply a jacking force to the arc plates 3.
The inner wall of every backplate 3 is two sets of fixed blocks 11 of equal fixedly connected with, screw 13 has all been seted up in the front of every fixed block 11, the common threaded connection of inner wall of every set of screw 13 has connecting nail 4, utilize connecting nail 4 can be to connecting between the screw 13, just can form the fixed between two backplate 3, the equal fixedly connected with of a side that every set of arc 8 is close to each other two stiffening rods 5, the one end that every set of stiffening rod 5 is close to each other is respectively with the surface fixed connection of two screw thread section of thick bamboo 6, stiffening rod 5 can be to being connected between screw thread section of thick bamboo 6 and the arc 8, can strengthen the pressure that arc 8 bore, thereby further promoted connecting plate 2 bear the reactive force that spliced pole 14 applyed it.
The surface cover of every positive and negative threaded rod 10 is equipped with protective sheath 7, the anti-skidding line has been seted up to the surface of every protective sheath 7, the protective sheath 7 that utilizes the setting makes things convenient for the staff to rotate positive and negative threaded rod 10, the gliding condition appears when can avoiding rotating, every connecting plate 2 of group is annular arrangement with every connecting block 9, utilize to set up annular arrangement's connecting plate 2 and connecting block 9, can strengthen the jacking force that applys to backplate 3, make its every some atress even, the surface of every inserted bar 14 all with the inner wall looks joint of connecting hole 12, inserted bar 14 and connecting hole 12 joint have guaranteed the fastness between inserted bar 14 and the connecting hole 12.
The working principle of the utility model is as follows: when the support plate 3 is used, the support plate 3 is placed in the working well foundation pit body 1, the support plate 3 is contacted with the inside of the working well foundation pit body 1, then the connecting nails 4 are used for connecting the fixing blocks 11, then the support mechanism consisting of the two arc plates 8 is placed in the working well foundation pit body 1, the distance between the two groups of inserting posts 14 is firstly adjusted, the two arc plates 8 are fixed to prevent deflection of the two arc plates, the positive and negative threaded rods 10 are rotated, the distance between the inserting posts 14 can be adjusted, the two groups of inserting posts 14 are matched with the connecting blocks 9, then the two groups of inserting posts 14 are inserted into the connecting holes 12, the positive and negative threaded rods 10 are rotated, the two threaded cylinders 6 are mutually far away, meanwhile, the connecting plates 2 push the inserting posts 14, the inserting posts 14 are clamped with the connecting blocks 9, the firmness between the two support plates 3 is enhanced, and the supporting effect is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a push pipe working well foundation ditch supporting construction which characterized in that: including working well foundation ditch body (1), the inside of working well foundation ditch body (1) is provided with two backplate (3), every the equal fixedly connected with of inner wall of backplate (3) two sets of connecting blocks (9), every connecting hole (12) have all been seted up to the upper surface of connecting block (9), every the inside of connecting hole (12) all is equipped with spliced pole (14), every the equal fixedly connected with connecting plate (2) in top of spliced pole (14), every group the one end that connecting plate (2) are close to each other is common fixedly connected with arc (8), every group an equal fixedly connected with screw mandrel (6) of side that arc (8) are close to each other, every group screw mandrel (6) inner wall common threaded connection has positive and negative threaded rod (10).
2. The pipe-jacking working well foundation pit supporting structure according to claim 1, wherein: two groups of fixing blocks (11) are fixedly connected to the inner wall of each support plate (3), screw holes (13) are formed in the front face of each fixing block (11), and connecting nails (4) are connected to the inner walls of the screw holes (13) in a threaded mode.
3. The pipe-jacking working well foundation pit supporting structure according to claim 1, wherein: each group of arc plates (8) are fixedly connected with two reinforcing rods (5) on one side face close to each other, and one end of each group of reinforcing rods (5) close to each other is fixedly connected with the outer surfaces of two thread cylinders (6) respectively.
4. The pipe-jacking working well foundation pit supporting structure according to claim 1, wherein: the outer surface of each positive and negative threaded rod (10) is sleeved with a protective sleeve (7), and anti-skidding lines are formed on the outer surface of each protective sleeve (7).
5. The pipe-jacking working well foundation pit supporting structure according to claim 1, wherein: each group of connecting plates (2) and each group of connecting blocks (9) are annularly arranged.
6. The pipe-jacking working well foundation pit supporting structure according to claim 1, wherein: the outer surface of each inserted column (14) is clamped with the inner wall of the connecting hole (12).
CN202321364286.2U 2023-05-31 2023-05-31 Push pipe working well foundation pit supporting structure Active CN219637922U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321364286.2U CN219637922U (en) 2023-05-31 2023-05-31 Push pipe working well foundation pit supporting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321364286.2U CN219637922U (en) 2023-05-31 2023-05-31 Push pipe working well foundation pit supporting structure

Publications (1)

Publication Number Publication Date
CN219637922U true CN219637922U (en) 2023-09-05

Family

ID=87816964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321364286.2U Active CN219637922U (en) 2023-05-31 2023-05-31 Push pipe working well foundation pit supporting structure

Country Status (1)

Country Link
CN (1) CN219637922U (en)

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