CN215562681U - Foundation pit supporting structure - Google Patents

Foundation pit supporting structure Download PDF

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Publication number
CN215562681U
CN215562681U CN202122028662.8U CN202122028662U CN215562681U CN 215562681 U CN215562681 U CN 215562681U CN 202122028662 U CN202122028662 U CN 202122028662U CN 215562681 U CN215562681 U CN 215562681U
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CN
China
Prior art keywords
supporting
supporting rod
sleeve
threaded
rod
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CN202122028662.8U
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Chinese (zh)
Inventor
毕洪超
李庆林
李国林
王存银
姜欣
靳云鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway 19th Bureau Group Co Ltd
Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Original Assignee
China Railway 19th Bureau Group Co Ltd
Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
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Application filed by China Railway 19th Bureau Group Co Ltd, Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd filed Critical China Railway 19th Bureau Group Co Ltd
Priority to CN202122028662.8U priority Critical patent/CN215562681U/en
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Publication of CN215562681U publication Critical patent/CN215562681U/en
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Abstract

The utility model relates to the technical field of building construction, and discloses a foundation pit supporting structure which comprises a supporting rod, wherein a connecting piece is arranged on the supporting rod, and a supporting device is hinged to the side surface of the connecting piece; the supporting device comprises a first supporting rod, the first supporting rod is connected with a second supporting rod through a threaded sleeve, wherein threaded connectors matched with the threaded sleeve are arranged on the first supporting rod and the second supporting rod, and the thread directions of the two threaded connectors are opposite; a supporting sleeve is sleeved outside the second supporting rod, a buffer spring is arranged between the supporting sleeve and the second supporting rod, guide grooves are formed in the upper end and the lower end of the second supporting rod, and a guide piece matched with the guide grooves is arranged in the supporting sleeve; the end part of the supporting sleeve is hinged with a mounting plate, and one end of the mounting plate, which is far away from the supporting sleeve, is connected with a protection plate in an abutting way; the utility model can improve the convenience in operation and use, improve the repeated utilization rate of materials, reduce the waste of resources and ensure the effect of supporting and protecting the foundation pit.

Description

Foundation pit supporting structure
Technical Field
The utility model relates to the technical field of building construction, in particular to a foundation pit supporting structure.
Background
The foundation pit supporting structure is a supporting, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit; most of the existing foundation pit supporting structures are formed by attaching a protection plate on the inner wall of a foundation pit and then tightly supporting the protection plate through a supporting rod, most of the supporting rods of the existing foundation pit supporting structures are fixed and are manufactured by correspondingly cutting according to the size of the foundation pit, so that the repeated utilization rate is low, the resource waste is caused to a certain extent, the accurate cutting is required, a large error cannot occur, and otherwise, great inconvenience is brought to the installation and the disassembly; still some operations are through adopting the spring to carry out split type setting to branch to reach the purpose of adjusting the length of branch, but this kind of structure spring can make split type branch take place relative skew when the installation under the condition that receives pressure, and the influence supports the effect of protection to the foundation ditch.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a foundation pit supporting structure which can improve the convenience in operation and use, improve the repeated utilization rate of materials, reduce the waste of resources and ensure the effect of supporting and protecting a foundation pit.
The utility model adopts the following technical scheme:
a foundation pit supporting structure comprises a supporting rod, wherein a connecting piece is arranged on the supporting rod, and a supporting device is hinged to the side surface of the connecting piece; the supporting device comprises a first supporting rod, the first supporting rod is connected with a second supporting rod through a threaded sleeve, wherein threaded connectors matched with the threaded sleeve are arranged on the first supporting rod and the second supporting rod, and the thread directions of the two threaded connectors are opposite; a supporting sleeve is sleeved outside the second supporting rod, a buffer spring is arranged between the supporting sleeve and the second supporting rod, guide grooves are formed in the upper end and the lower end of the second supporting rod along the length direction of the second supporting rod, and a guide piece matched with the guide grooves is arranged in the supporting sleeve; the support sleeve tip articulates there is the mounting panel, and the mounting panel is kept away from support sleeve one end butt and has linked to each other the guard plate.
The connecting piece including set up the connecting sleeve on the bracing piece, be provided with on the side of connecting sleeve with first bracing piece articulated seat.
The connecting sleeve is movably sleeved on the supporting rod, the connecting sleeve is provided with a fixing hole, the supporting rod is provided with a plurality of threaded holes matched with the fixing hole at equal intervals along the vertical direction, and the fixing hole and the corresponding threaded hole are internally provided with locking bolts.
The guide piece comprises an accommodating barrel arranged at the upper end and the lower end in the supporting sleeve, a guide block is connected in the accommodating barrel through a limiting spring, and the guide block is positioned in the guide groove.
And one end of each guide block, which is far away from the limiting spring, is movably provided with a movable ball.
The guard plate on be provided with the deflector along vertical direction, both ends all are provided with the shifting chute along vertical direction around the deflector, be provided with the block rubber with shifting chute phase-match on the mounting panel.
The opposite side surfaces of the threaded sleeve are provided with threaded caps, and operating rods are screwed in the threaded caps.
And positioning holes are formed in the side surfaces of the supporting sleeve and the second supporting rod, and U-shaped positioning pins are inserted into the positioning holes.
The bottom of the supporting rod is provided with a fixed bottom plate, and the bottom end of the fixed bottom plate is provided with anti-skidding positioning teeth.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the supporting sleeve and the buffer spring are arranged, so that on one hand, the length between the second support rod and the supporting sleeve can be adjusted, and on the other hand, the buffer spring can be compressed by bearing force during installation, so that the convenience for installing the supporting device is improved; the arrangement of the guide piece and the guide groove can ensure the horizontal state between the second support rod and the support sleeve when the buffer spring is compressed, avoid the inclination of the second support rod relative to the support sleeve to influence the support effect of the support device, and simultaneously avoid the abrasion between the second support rod and the support sleeve due to the inclination; the threaded sleeve is arranged, so that the purpose of adjusting the length of the supporting device can be achieved by operating the threaded sleeve after the supporting device is installed, and the supporting effect of the supporting device is ensured.
Furthermore, the threaded holes in the supporting rod are arranged at equal intervals, so that the mounting position of the connecting sleeve can be conveniently adjusted, the supporting position of the supporting device on the protective plate can be adjusted, and the supporting effect of the supporting device on the protective plate can be ensured; the arrangement of the thread cap and the operating rod on the thread sleeve is convenient for operating and adjusting the thread sleeve, so that the convenience of operation is improved; the arrangement of the positioning holes and the U-shaped positioning pins on the supporting sleeve and the second supporting rod facilitates the fixed connection of the supporting sleeve and the second supporting rod after the length of the supporting device is adjusted, and the stability of the supporting device is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is a side view of the fender of fig. 1.
Detailed Description
The utility model will now be described more fully hereinafter with reference to the accompanying drawings and examples in which:
as shown in fig. 1 to 3, the foundation pit supporting structure of the present invention includes a supporting rod 1, a fixing bottom plate 2 is disposed at the bottom of the supporting rod 1, the fixing bottom plate 2 can increase the contact area between the supporting rod 1 and the ground, and improve the stability of the supporting rod 1, an anti-skid positioning tooth 3 is disposed at the bottom end of the fixing bottom plate 2, the anti-skid positioning tooth 3 can increase the friction between the fixing bottom plate 2 and the ground, so as to prevent the supporting rod 1 from moving due to stress, a connecting member 4 is disposed on the supporting rod 1, and a supporting device is hinged to the side surface of the connecting member 4, wherein the connecting member 4 includes a connecting sleeve 4-1 disposed on the supporting rod 1, and a hinged seat 4-2 hinged to a first supporting rod 5 is disposed on the side surface of the connecting sleeve 4-1; preferably, the connecting sleeve 4-1 is movably sleeved on the supporting rod 1, the connecting sleeve 4-1 is provided with a fixing hole, the supporting rod 1 is provided with a plurality of threaded holes 6 which are matched with the fixing hole at equal intervals along the vertical direction, and the locking bolts 7 are arranged in the fixing holes and the corresponding threaded holes 6, so that the position of the connecting sleeve 4-1 on the supporting rod 1 can be conveniently adjusted, the supporting device can be more accurately acted on the designated position of the protecting plate 8, and the supporting effect of the supporting device on the protecting plate 8 is improved.
The supporting device comprises a first supporting rod 5, the first supporting rod 5 is connected with a second supporting rod 10 through a threaded sleeve 9, wherein threaded connectors 11 matched with the threaded sleeve 9 are arranged on the first supporting rod 5 and the second supporting rod 10, and the thread directions of the two threaded connectors 11 are opposite; the opposite side surfaces of the threaded sleeve 9 are also provided with threaded caps 12, operating rods 13 are screwed in the threaded caps 12, the threaded sleeve 9 can be conveniently rotated and adjusted due to the arrangement of the operating rods 13, the convenience of operation is improved, the operating rods 13 are connected in the threaded caps 12 in a threaded mode, the operating rods 13 can be conveniently detached after use, and transportation and storage are facilitated; the supporting sleeve 14 is sleeved on the outer side of the second supporting rod 10, the buffer spring 15 is arranged between the supporting sleeve 14 and the second supporting rod 10, the buffer spring 15 is in an initial state, the buffer spring 15 is arranged, on one hand, the length between the second supporting rod 10 and the supporting sleeve 14 can be adjusted, on the other hand, the buffer spring 15 can be compressed through stress when the supporting device is installed, and the installation convenience of the supporting device is improved.
The upper end and the lower end of the second supporting rod 10 are both provided with a guide groove along the length direction, and a guide piece 16 matched with the guide groove is arranged in the supporting sleeve 14; the arrangement of the guide piece 16 and the guide groove can ensure the horizontal state between the second support rod 10 and the support sleeve 14 when the buffer spring 15 is compressed, avoid the inclination of the second support rod 10 relative to the support sleeve 14 to influence the support effect of the support device, and simultaneously avoid the abrasion between the second support rod 10 and the support sleeve 14 due to the inclination, and prolong the service lives of the two; preferably, the guide member 16 includes a receiving cylinder 16-1 disposed at upper and lower ends inside the supporting sleeve 14, a guide block 16-3 is connected to the receiving cylinder 16-1 through a limit spring 16-2, the guide block 16-3 is located in the guide groove, wherein the limit spring 16-2 is in an initial state, and the limit spring 16-2 is in a compressed state when the guide block 16-3 is mounted inside the guide groove; in order to reduce the friction between the guide blocks 16-3 and the guide grooves when the second support rod 10 moves relative to the support sleeve 14, the movable ball 16-4 is movably arranged at one end of each guide block 16-3, which is far away from the limiting spring 16-2, and the movable ball 16-4 is positioned in the guide grooves; in addition, positioning holes 17 are formed in the side surfaces of the supporting sleeve 14 and the second supporting rod 10, a U-shaped positioning pin 18 is inserted into the positioning holes 17, and the positioning holes 17 and the U-shaped positioning pins 18 are arranged, so that the supporting sleeve 14 and the second supporting rod 10 can be fixedly connected through the U-shaped positioning pins 18 after the length of the supporting device is adjusted, and the stability of the supporting device is ensured; wherein the positioning hole 17 in the second bar 10 is arranged on the side of the second bar 10 adjacent to the guide groove and the positioning hole 17 in the support sleeve 14 is arranged on the side adjacent to the positioning element.
The end part of the supporting sleeve 14 is hinged with a mounting plate 19, one end of the mounting plate 19, which is far away from the supporting sleeve 14, is connected with a protection plate 8 in an abutting mode, a plurality of parallel guide plates 20 are arranged on the protection plate 8 at equal intervals along the vertical direction, moving grooves 21 are formed in the front end and the rear end of each guide plate 20 along the vertical direction, rubber blocks 22 matched with the moving grooves 21 are arranged on the mounting plate 19, the accuracy of the mounting plate 19 on the action position of the protection plate 8 can be improved due to the arrangement of the moving grooves 21 and the rubber blocks 22, in addition, the rubber blocks 22 can reduce abrasion between the mounting plate 19 and the guide plates 20 on one hand, and the positioning plate can be tightly abutted against the protection plate 8 due to certain elastic deformation of the rubber blocks 22 on the other hand, and the practicability of the utility model is improved; in addition, both ends of the supporting device are respectively connected with the mounting plate 19 and the connecting sleeve 4-1 in a hinged mode, and the hinged arrangement can adjust the arrangement angle of the supporting device so as to improve the stable supporting effect of the supporting device on protection.
The application process of the utility model comprises the following steps: firstly, placing a protection plate 8 on the inner wall of a foundation pit, fixing a support rod 1 at a designated position according to the size of the foundation pit, fixing a connecting sleeve 4-1 on the support rod 1, then installing a supporting device, finally, adjusting the length of the supporting device through a threaded sleeve 9 to enable an installation plate 19 to be tightly abutted against the protection plate 8, and fixedly connecting a supporting sleeve 14 with a second support rod 10 by using a U-shaped positioning pin 18; the utility model has simple structure, simple and convenient operation and strong practicability.

Claims (9)

1. The utility model provides a foundation ditch supporting construction which characterized in that: the device comprises a supporting rod, wherein a connecting piece is arranged on the supporting rod, and a supporting device is hinged on the side surface of the connecting piece; the supporting device comprises a first supporting rod, the first supporting rod is connected with a second supporting rod through a threaded sleeve, wherein threaded connectors matched with the threaded sleeve are arranged on the first supporting rod and the second supporting rod, and the thread directions of the two threaded connectors are opposite; a supporting sleeve is sleeved outside the second supporting rod, a buffer spring is arranged between the supporting sleeve and the second supporting rod, guide grooves are formed in the upper end and the lower end of the second supporting rod along the length direction of the second supporting rod, and a guide piece matched with the guide grooves is arranged in the supporting sleeve; the support sleeve tip articulates there is the mounting panel, and the mounting panel is kept away from support sleeve one end butt and has linked to each other the guard plate.
2. The excavation supporting structure of claim 1, wherein: the connecting piece including set up the connecting sleeve on the bracing piece, be provided with on the side of connecting sleeve with first bracing piece articulated seat.
3. The excavation supporting structure of claim 2, wherein: the connecting sleeve is movably sleeved on the supporting rod, the connecting sleeve is provided with a fixing hole, the supporting rod is provided with a plurality of threaded holes matched with the fixing hole at equal intervals along the vertical direction, and the fixing hole and the corresponding threaded hole are internally provided with locking bolts.
4. The excavation supporting structure of claim 1, wherein: the guide piece comprises an accommodating barrel arranged at the upper end and the lower end in the supporting sleeve, a guide block is connected in the accommodating barrel through a limiting spring, and the guide block is positioned in the guide groove.
5. The excavation supporting structure of claim 4, wherein: and one end of each guide block, which is far away from the limiting spring, is movably provided with a movable ball.
6. The excavation supporting structure of claim 1, wherein: the guard plate on be provided with the deflector along vertical direction, both ends all are provided with the shifting chute along vertical direction around the deflector, be provided with the block rubber with shifting chute phase-match on the mounting panel.
7. The excavation supporting structure of claim 1, wherein: the opposite side surfaces of the threaded sleeve are provided with threaded caps, and operating rods are screwed in the threaded caps.
8. The excavation supporting structure of claim 1, wherein: and positioning holes are formed in the side surfaces of the supporting sleeve and the second supporting rod, and U-shaped positioning pins are inserted into the positioning holes.
9. The excavation supporting structure of claim 1, wherein: the bottom of the supporting rod is provided with a fixed bottom plate, and the bottom end of the fixed bottom plate is provided with anti-skidding positioning teeth.
CN202122028662.8U 2021-08-26 2021-08-26 Foundation pit supporting structure Active CN215562681U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122028662.8U CN215562681U (en) 2021-08-26 2021-08-26 Foundation pit supporting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122028662.8U CN215562681U (en) 2021-08-26 2021-08-26 Foundation pit supporting structure

Publications (1)

Publication Number Publication Date
CN215562681U true CN215562681U (en) 2022-01-18

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ID=79842661

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122028662.8U Active CN215562681U (en) 2021-08-26 2021-08-26 Foundation pit supporting structure

Country Status (1)

Country Link
CN (1) CN215562681U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114837196A (en) * 2022-05-26 2022-08-02 中铁建设集团有限公司 Active foundation pit supporting device and construction method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114837196A (en) * 2022-05-26 2022-08-02 中铁建设集团有限公司 Active foundation pit supporting device and construction method thereof

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