CN214832633U - A recoverable stock for excavation supporting - Google Patents
A recoverable stock for excavation supporting Download PDFInfo
- Publication number
- CN214832633U CN214832633U CN202120530840.4U CN202120530840U CN214832633U CN 214832633 U CN214832633 U CN 214832633U CN 202120530840 U CN202120530840 U CN 202120530840U CN 214832633 U CN214832633 U CN 214832633U
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- anchor rod
- protection
- sleeve
- cover plate
- protective
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Abstract
The utility model discloses a recoverable anchor rod for foundation pit support, which comprises an anchor rod, an end protection bin, a protection cover plate, a threaded sleeve, a first protection sleeve and a second protection sleeve; an end head protection bin is fixedly connected to the lower end face of the protection cover plate, and an anchor rod through hole for the anchor rod to movably pass through is formed in the protection cover plate; a threaded sleeve is fixedly connected to the lower end face of the protective cover plate corresponding to the periphery of the anchor rod through hole; the lower end head of the anchor rod penetrates through the anchor rod through hole and then is in threaded connection with the threaded sleeve; a first protective sleeve is movably sleeved on the part, located above the protective cover plate, of the anchor rod; the lower part cover of first lag pipe is equipped with second lag pipe, just the bottom mounting of second lag pipe is on the up end of protective cover board. The device can carry out effectual protection to the stock, avoids the concrete mortar in the stock outside to enter into stock and threaded sleeve's junction to after the construction is accomplished, the stock can be retrieved more smoothly.
Description
Technical Field
The utility model relates to a excavation supporting engineering stock recovery unit technical field, in particular to a recoverable stock for excavation supporting.
Background
The foundation pit support is a supporting, blocking, 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. The combination of row piles and anchor rods is a common foundation pit supporting structure, and the supporting structure is characterized in that slope protection piles are arranged on the slope surface of a foundation pit, holes are drilled in the side slope around the foundation pit, the anchor rods are embedded into the drilled holes, concrete is poured into the holes to fix the tail ends of the anchor rods in soil in the side slope, and finally the anchor rods are tensioned and fixed at the exposed end of the slope protection piles.
In the prior art, in order to avoid construction waste formed by waste anchor rods after construction is finished, trouble is brought to newly built underground buildings or structures outside a foundation pit. Therefore, the stock adopts recoverable formula design, but recoverable stock among the prior art, has the work progress, and the concrete mortar in the stock outside enters into the stock and the junction of anchor block, and then influences the normal smooth and easy recovery of stock.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a recoverable stock for excavation supporting, the stock recovery in-process, comparatively smooth and easy.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a recoverable anchor rod for foundation pit support comprises an anchor rod, an end protection bin, a protection cover plate, a threaded sleeve, a first protection sleeve and a second protection sleeve; an end head protection bin is fixedly connected to the lower end face of the protection cover plate, and an anchor rod through hole for the anchor rod to movably pass through is formed in the protection cover plate; a threaded sleeve is fixedly connected to the lower end face of the protective cover plate corresponding to the periphery of the anchor rod through hole; the lower end head of the anchor rod penetrates through the anchor rod through hole and then is in threaded connection with the threaded sleeve; a first protective sleeve is movably sleeved on the part, located above the protective cover plate, of the anchor rod; the lower part cover of first lag pipe is equipped with second lag pipe, just the bottom mounting of second lag pipe is on the up end of protective cover board.
Furthermore, an inner side wall of the second protective sleeve is provided with an internal thread; the outer side of the lower part of the first protective sleeve is provided with an external thread; the first protective sleeve is in threaded connection with the second protective sleeve.
Furthermore, the protective cover plate is fixedly connected with the end head protective bin through welding.
Furthermore, the protective cover plate is circular.
The utility model has the advantages that:
the utility model is characterized in that a first protective sleeve is movably sleeved on the part of the anchor rod above the protective cover plate, a second protective sleeve is sleeved on the lower part of the first protective sleeve, and the bottom end of the second protective sleeve is fixed on the upper end surface of the protective cover plate; through adopting above-mentioned design, can carry out effectual protection to the stock, avoid the concrete mortar in the stock outside to enter into stock and threaded sleeve's junction to after the construction is accomplished, the stock can be retrieved more smoothly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-anchor rod, 2-end protection cabin, 3-protection cover plate, 4-first protection sleeve, 5-second protection sleeve, 6-anchor rod through hole and 7-thread sleeve.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, a recoverable anchor rod for foundation pit support comprises an anchor rod 1, an end protection bin 2, a protection cover plate 3, a threaded sleeve 7, a first protection sleeve 4 and a second protection sleeve 5; the lower end surface of the protective cover plate 3 is fixedly connected with an end protective bin 2, and an anchor rod through hole 6 for the anchor rod 1 to movably pass through is formed in the protective cover plate 3; a threaded sleeve 7 is fixedly connected to the lower end face of the protective cover plate 3 corresponding to the periphery of the anchor rod through hole 6; the head of the lower end of the anchor rod 1 penetrates through the anchor rod through hole 6 and then is in threaded connection with the threaded sleeve 7; a first protective sleeve 4 is movably sleeved on the part, located above the protective cover plate 3, of the anchor rod 1; the lower part cover of first lag tube 4 is equipped with second lag tube 5, just the bottom mounting of second lag tube 5 is on the up end of protective cover plate 3.
Further, in order to improve the protection effect on the anchor rod, the inner side wall of the second protective sleeve 5 is provided with an internal thread; the outer side of the lower part of the first protective sleeve 4 is provided with an external thread; the first protective sleeve 4 is in threaded connection with the second protective sleeve 5. By adopting the design, the concrete mortar outside the anchor rod can be better prevented from entering the joint of the anchor rod 4 and the threaded sleeve 7.
Further, in order to improve the structural stability, the protective cover plate 3 is fixedly connected with the end protective bin 2 through welding.
Further, in order to better place the protective cover plate 3 into the anchor-holding borehole, the protective cover plate 3 is circular in shape as a whole.
The utility model discloses a theory of operation:
after the anchor rod is anchored in the threaded sleeve 7 in the end protection bin, concrete is poured in the drill hole provided with the anchor rod 1 and the anchoring block 2; in the utility model, the part of the anchor rod 1 above the protective cover plate 3 is movably sleeved with a first protective sleeve 4, the lower part of the first protective sleeve 4 is sleeved with a second protective sleeve 5, and the bottom end of the second protective sleeve 5 is fixed on the upper end surface of the protective cover plate 3; through adopting above-mentioned design, can carry out effectual protection to anchor bolt 1 anchor process, avoid the concrete mortar in the anchor bolt 1 outside to enter into the junction of anchor bolt 1 and threaded sleeve 7.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (4)
1. The utility model provides a recoverable stock for excavation supporting which characterized in that: the anchor rod protection device comprises an anchor rod (1), an end head protection bin (2), a protection cover plate (3), a threaded sleeve (7), a first protection sleeve (4) and a second protection sleeve (5); an end head protection bin (2) is fixedly connected to the lower end face of the protection cover plate (3), and an anchor rod through hole (6) for the anchor rod (1) to movably pass through is formed in the protection cover plate (3); a threaded sleeve (7) is fixedly connected to the lower end face of the protective cover plate (3) corresponding to the periphery of the anchor rod through hole (6); the lower end head of the anchor rod (1) penetrates through the anchor rod through hole (6) and then is in threaded connection with the threaded sleeve (7); a first protective sleeve (4) is movably sleeved on the part, located above the protective cover plate (3), of the anchor rod (1); the lower part cover of first protective sheath (4) is equipped with second protective sheath (5), just the bottom mounting of second protective sheath (5) is on the up end of protective cover board (3).
2. A retrievable anchor for use in foundation pit support according to claim 1, wherein: the inner side wall of the second protective sleeve (5) is provided with internal threads; the outer side of the lower part of the first protective sleeve (4) is provided with an external thread; the first protective sleeve (4) is in threaded connection with the second protective sleeve (5).
3. A retrievable anchor for foundation pit support according to claim 1 or claim 2, wherein: the protective cover plate (3) is fixedly connected with the end protective bin (2) through welding.
4. A retrievable anchor for use in foundation pit support according to claim 1, wherein: the protective cover plate (3) is circular as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530840.4U CN214832633U (en) | 2021-03-15 | 2021-03-15 | A recoverable stock for excavation supporting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530840.4U CN214832633U (en) | 2021-03-15 | 2021-03-15 | A recoverable stock for excavation supporting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214832633U true CN214832633U (en) | 2021-11-23 |
Family
ID=78758172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120530840.4U Active CN214832633U (en) | 2021-03-15 | 2021-03-15 | A recoverable stock for excavation supporting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214832633U (en) |
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2021
- 2021-03-15 CN CN202120530840.4U patent/CN214832633U/en active Active
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