CN210975805U - Recoverable anchor rod with quick anchor expansion end - Google Patents

Recoverable anchor rod with quick anchor expansion end Download PDF

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Publication number
CN210975805U
CN210975805U CN201921651965.1U CN201921651965U CN210975805U CN 210975805 U CN210975805 U CN 210975805U CN 201921651965 U CN201921651965 U CN 201921651965U CN 210975805 U CN210975805 U CN 210975805U
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China
Prior art keywords
rope
anchor
seat
steel
pipe
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Expired - Fee Related
Application number
CN201921651965.1U
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Chinese (zh)
Inventor
耿生春
周伟善
王贤春
张家新
张新明
王珍
李霞
张�杰
胡承桢
闫文亮
韩世昌
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China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Third Construction Co Ltd of CTCE Group
Original Assignee
China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Third Construction Co Ltd of CTCE Group
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Publication date
Application filed by China Tiesiju Civil Engineering Group Co Ltd CTCE Group, Third Construction Co Ltd of CTCE Group filed Critical China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Priority to CN201921651965.1U priority Critical patent/CN210975805U/en
Application granted granted Critical
Publication of CN210975805U publication Critical patent/CN210975805U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a recoverable anchor rod with a quick anchor expanding end, which comprises an anchor head, a steel pipe, a steel wire rope, a backing plate, an anchorage device and a rope tightener; the anchor head comprises a supporting tooth, a rotating shaft, a nest seat, a spring tube, a cylindrical sliding block and a compression spring; the rope tightener comprises a rope tightener seat, a main body pipe, an anti-falling gear, an anti-falling clamp and a rope hanging nail; the rope tensioner seat is connected with the steel pipe, the front end of the main body pipe is connected with the anti-falling gear, the wedge angle end of the anti-falling clamp extends into the tooth clearance of the anti-falling gear, and the other end of the anti-falling clamp is connected with the rope tensioner seat through the shaft lever; the hanging rope is nailed on the side wall of the main body pipe; the steel wire rope is hung on the rope hanging nail; the anchor rod can be recycled, so that the material consumption is reduced, the engineering production cost is reduced, and the underground environment pollution is reduced; the anchoring force is increased by utilizing a physical mechanical anchoring structure, the anchoring effect is achieved, the occupied space is small, the construction space in the foundation pit is enlarged, and the construction speed is accelerated; each accessory can carry out the batch production preparation, and installation, dismantlement convenient and fast are applicable to interim supporting engineering.

Description

Recoverable anchor rod with quick anchor expansion end
Technical Field
The utility model belongs to the technical field of ground side slope and foundation ditch reinforcement, especially, relate to a recoverable anchor expands and holds stock soon.
Background
With the continuous development of foundation construction, the number of high slope and deep foundation pit structures is increasing, and the anchor-shotcrete support is used as a main means for protection operation of such engineering, and has various forms in the support application of the slope and the foundation pit, such as slope excavation, cantilever pile, row pile and anchor rod, underground continuous wall, stirring pile support, soil nailing wall, reverse construction method construction and the like. The anchor bolt support has the advantages of small occupied space, large construction space in a foundation pit, high construction speed and the like, so that the anchor bolt support is widely applied to side slope and foundation pit support engineering; however, the traditional anchor rod support has two problems that grouting solidification takes a period of time to play a role, the grouting solidification cannot be used for timely reinforcement, and the anchor rod cannot be recycled, so that material waste is serious, and underground space is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a recoverable anchor expands end stock, the slip casting that the stock supporting construction who solves among the prior art exists solidifies the performance needs a period, can not be as in time consolidating, the stock can not be retrieved, and the material is extravagant serious, pollutes secret space scheduling problem.
The utility model discloses a recoverable anchor rod for expanding quick anchor, which comprises an anchor head, a steel pipe, a steel wire rope, a backing plate, an anchorage device and a rope tightener;
the anchor head comprises a supporting tooth, a rotating shaft, a nest seat, a spring tube, a cylindrical sliding block and a compression spring;
the front section of the nest seat is a grid shaped like a Chinese character 'jing', and the support teeth are arranged in the gaps of the grid plate shaped like the Chinese character 'jing' of the nest seat through the rotating shaft; the section of the rear section of the nest seat is of an annular structure, a spring tube is arranged in the annular structure, holes are formed in two ends of the spring tube, a compression spring and a cylindrical sliding block are arranged in the spring tube, the nest seat is connected to a steel tube, a steel wire rope is arranged in the spring tube in the steel tube, the end part of the steel wire rope penetrates through the holes and is fastened on the supporting teeth, a through hole is formed in the center of the cylindrical sliding block, and the steel wire rope penetrates through the through hole;
the rope tightener comprises a rope tightener seat, a main body pipe, an anti-falling gear, an anti-falling clamp and a rope hanging nail; the rope tensioner seat is of a rectangular frame structure with an opening at the rear side, the front side wall of the rope tensioner seat is connected with a steel pipe, pipe holes are formed in the left side wall and the right side wall of the rope tensioner seat respectively, two ends of the main body pipe extend into the pipe holes respectively, one end of the main body pipe is connected with the anti-falling gear located on the outer side of the rope tensioner seat, the other end of the main body pipe extends out of the rope tensioner seat, and a prying rod hole is formed in the side wall of one end of the main body pipe extending out of the rope tensioner seat; the anti-reverse clamp is a wedge-shaped plate, the wedge angle end of the anti-reverse clamp extends into the tooth clearance of the anti-reverse gear, and the other end of the anti-reverse clamp is connected with the rope tensioner seat through a shaft lever; the rope hanging nail is arranged on the front side wall of the rope tightener seat; the steel wire rope is hung on the rope hanging nail;
the annular base plate and the annular anchorage device are sleeved outside the steel pipe and are in contact connection with the anchoring surface.
The utility model discloses a recoverable anchor expands one end stock, it is when the anchor, insert the anchor head of stock front end in the drilling of the slope body, through stretching into the instrument such as pinch bar etc. in the pinch bar hole, through rotating the instrument such as pinch bar etc., rotate the rotatory euphroe of stock, make it tighten up hang the wire rope who establishes on the string rope nail, the tooth that pulls stock one end makes the tooth rotate and opens and insert the stable soil body, block the anti-reversing gear of euphroe with anti-reversing card, the stock other end is fixed in on the domatic as the anchor face by backing plate and ground tackle, thereby make the slope body sliding region stable; when the anchor is recovered, the anchor is loosened, tools such as a pry bar and the like are reversely rotated to rotate the anchor rod, the steel wire rope is properly loosened, the supporting teeth are inwards contracted under the action of the compression spring, the anchor rod is pulled out, and the anchor rod is recovered.
In the above scheme, it is also preferable that a pry bar located outside the rope tensioner seat is arranged in the pry bar hole.
It may also be preferred that the backup teeth are wedge tooth plates.
It may also be preferred that the backup teeth are right angle dovetail teeth plates.
It is also preferred that the number of the spur teeth is four.
It is also preferable that the wedge-shaped slopes of the four branch teeth are all located at the outer side, and the four branch teeth are evenly distributed.
Preferably, the support teeth are provided with bolt holes, and the end parts of the steel wire ropes are fastened on the support teeth through the bolt holes.
Preferably, the anchorage device is an internal threaded pipe, external threads are arranged on the outer wall of the steel pipe at the anchorage device, and the anchorage device is in threaded connection with the steel pipe.
The utility model discloses a recoverable anchor expands and holds stock soon, its beneficial effect as follows:
the recyclable anchor rod with the quick anchor expanding end can solve the problems that grouting solidification in the anchor rod supporting structure in the prior art needs a period of time, the anchor rod cannot be used for timely reinforcement, the anchor rod cannot be recycled, material waste is serious, underground space is polluted and the like; the anchor rod supporting scheme is improved in a time-saving and material-saving mode through a physical mechanical anchoring structure, and the anchor rod can be used as an expanded end anchor rod suitable for temporary engineering; the anchoring force is increased by utilizing a physical mechanical anchoring structure, so that the anchoring effect is achieved, the occupied field is small, the construction space in the foundation pit is increased, and the construction speed is accelerated; each accessory can carry out the batch production preparation, and installation, dismantlement convenient and fast are particularly useful for interim supporting project.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural view of the recoverable quick anchor expanding end anchor rod of the present invention.
Fig. 2 is the structure schematic diagram of the anchor head of the recoverable fast anchor expanded end anchor rod of the utility model.
Fig. 3 is a schematic structural view of a tooth of the retractable quick anchor expanded end anchor rod of the present invention.
Fig. 4 is a schematic structural diagram of the rope tensioner seat of the recoverable fast anchor expanded end anchor rod of the present invention.
Fig. 5 is a schematic structural view of the anti-reverse gear of the retractable fast anchor expanding end anchor rod of the present invention.
1 is the anchor head, 2 is the steel pipe, 3 is wire rope, 4 is the backing plate, 5 is the ground tackle, 6 is the euphroe, 7 is a tooth, 8 is the pivot, 9 is the nest seat, 10 is the spring pipe, 11 is cylindrical slider, 12 is compression spring, 13 is the euphroe seat, 14 is the main part pipe, 15 is the anti-falling gear, 16 is the anti-falling card, 17 is the peg, 18 is the lever hole.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
A recoverable quick anchor expanding anchor rod is shown in figure 1 and comprises an anchor head 1, a steel pipe 2, a steel wire rope 3, a backing plate 4, an anchorage device 5 and a rope tightener 6;
as shown in fig. 2, the anchor head 1 comprises a supporting tooth 7, a rotating shaft 8, a nest seat 9, a spring tube 10, a cylindrical sliding block 11 and a compression spring 12;
the front section of the nest seat 9 is a grid shaped like a Chinese character 'jing', and as shown in figure 3, the support teeth 7 are arranged in the gaps of the grid plate shaped like a Chinese character 'jing' of the nest seat 9 through the rotating shaft 8; the section of the rear section of the nest seat 9 is of a circular structure, a spring tube 10 is arranged in the circular structure, holes are formed in two ends of the spring tube 10, a compression spring 12 and a cylindrical sliding block 11 are arranged in the spring tube 10, the nest seat 9 is connected to the steel tube 2, the steel wire rope 3 is positioned in the spring tube 10 in the steel tube 2, the end part of the steel wire rope 3 penetrates through the holes and is fastened on the supporting teeth 7, a through hole is formed in the center of the cylindrical sliding block 11, and the steel wire rope 3 penetrates through the through hole;
the rope tensioner 6 comprises a rope tensioner seat 13, a main body pipe 14, an anti-falling gear 15, an anti-falling clamp 16 and a rope hanging nail 17; as shown in fig. 4, the rope tensioner seat 13 is a rectangular frame structure with a rear opening, a front side wall of the rope tensioner seat 13 is connected with the steel pipe 2, pipe holes are respectively formed in a left side wall and a right side wall of the rope tensioner seat 13, two ends of the main body pipe 14 respectively extend into the pipe holes, as shown in fig. 5, one end of the main body pipe 14 is connected with the anti-falling gear 15 located on the outer side of the rope tensioner seat 13, the other end of the main body pipe 14 extends out of the rope tensioner seat 13, and a prying rod hole 18 is formed in a side wall of one end of the main body pipe 14 extending out of the rope tensioner seat 13; the anti-falling clamp 16 is a wedge-shaped plate, the wedge angle end of the anti-falling clamp 16 extends into the tooth gap of the anti-falling gear 15, and the other end of the anti-falling clamp 16 is connected with the rope tensioner seat 13 through a shaft rod; the rope hanging nail 17 is arranged on the front side wall of the rope tightener seat 13; the steel wire rope 3 is hung on the rope hanging nail 17;
the annular base plate 4 and the annular anchorage device 5 are sleeved outside the steel pipe 2 and are in contact connection with the anchoring surface.
Wherein, a tooth 7 can be the steel tooth, pivot 8 can be cylindrical steel pole, nest seat 9 can be steel sheet "well" font grid that the steel sheet welding constitutes, backing plate 4 can be circular cyclic annular steel backing plate, ground tackle 5 can be the steel pipe, the outer wall of ground tackle 5 can be the cylinder of regular polyhedral shape, spring pipe 10 can be circular steel pipe, cylindrical slider 11 can be the steel column, front end "well" font grid and the rear end annular structure of nest seat 9 can be through welded connection, the front side indicates the left side that figure 1 shows, namely towards anchor head 1 one side, the rear side is the right side that figure 1 shows, namely towards euphroe seat 13 one side. The rope tensioner base 13 may be a rectangular steel frame, wherein the left and right sides refer to both side directions perpendicular to the aforementioned front-rear direction. The euphroe seat 13 and the steel pipe 2 can be connected through welding, the main body pipe 14 can be a steel pipe, the anti-falling gear 15 can be a steel gear, the anti-falling clamp 16 can be a steel wedge plate, the rope hanging nail 17 can be a steel nail, and the front side wall of the euphroe seat 13 can be connected through welding. The main tube 14 and the anti-falling gear 15 can be connected by welding. The axostylus axostyle can be cylindrical steel pole, and the one end of axostylus axostyle can be fixed on euphroe seat 13, prevents falling to block and to be provided with on the card 16 and establish the axostylus axostyle hole outside the axostylus axostyle, and the other end of axostylus axostyle can be provided with the baffle that prevents falling to block 16 and drop, and this baffle can be the steel sheet. The transverse center lines of the steel tube 2, the backing plate 4, the rope tightening seat 13, the nest seat 9, the spring tube 10, the cylindrical sliding block 11 and the compression spring 12 are superposed. The front end of the main pipe 14 is connected with an anti-falling gear 15 located outside the rope tensioner seat 13, the other end of the main pipe 14 extends outside the rope tensioner seat 13, and a lever hole 18 is arranged on the side wall of one end of the main pipe 14 extending outside the rope tensioner seat 13, wherein the outer side is the side far away from the center of the frame structure of the rope tensioner seat 13 relative to the center of the frame structure.
The recoverable anchor rod with the fast anchoring and expanding end of the embodiment is characterized in that when anchoring, an anchor head 1 at the front end of the anchor rod is inserted into a drill hole of a slope body, a tool such as a pry bar is inserted into a pry bar hole 18, the tool such as the pry bar is rotated to rotate the anchor rod to rotate a rope tightener 6, a steel wire rope 3 hung on a rope hanging nail 17 is tightened, a supporting tooth 7 at one end of the anchor rod is pulled to rotate and expand the supporting tooth 7 and insert a stable soil body, an anti-falling gear 16 of the rope tightener 6 is clamped by the anti-falling clamp 17, and the other end of the anchor rod is fixed on a slope surface serving as an anchoring surface through a backing plate 4 and an anchorage device 5, so that a sliding area of the slope body is; when the anchor rod is recovered, the anchor 5 is loosened, tools such as a pry bar and the like are reversely rotated to rotate the anchor rod, the steel wire rope 3 is properly loosened, the supporting teeth 7 contract inwards under the action of the compression spring 12, the anchor rod is pulled out, and the anchor rod is recovered.
The recyclable quick-anchoring expanded-end anchor rod of the embodiment can be installed and recycled through the following steps,
(1) manufacturing an anchor rod: determining the number and the length of a steel pipe 2, a steel wire rope 3, a rope tightener 6, a supporting tooth 7, a rotating shaft 8, a nest seat 9, a spring pipe 10, a cylindrical sliding block 11 and a compression spring 12 according to engineering design requirements; prefabricating each part of the anchor head 1, a steel pipe 2 and a steel wire rope 3; the supporting teeth 7 are arranged in the middle of the gap of the grid shaped like the Chinese character 'jing' at the front section of the nest seat 9 through the rotating shaft 8; a spring tube 10 is arranged in the rear section of the nest seat 9;
(2) paying off and drilling: according to design requirements, paying off on a slope body by using a measuring instrument, positioning the construction position of an anchor rod and drilling;
(3) constructing an anchor rod: the prying bar 18 extends into a prying bar hole 18 of the rope tightener 6, the prying bar is rotated, the steel wire rope 3 is tightened, the supporting teeth 7 are pulled to rotate and inserted into a stable soil body, and the anti-falling gear 15 is clamped by the anti-falling clamp 16;
(4) tensioning and anchoring: the steel pipe 2 is tensioned to apply prestress, and an anchor rod is anchored on the backing plate 4 by an anchorage device 5;
(5) the recovery method comprises the following steps: after the supporting function is completed, the anchorage device 5 is loosened, the pry bar is rotated to appropriately loosen the steel wire rope 3, and the support teeth 7 are inwards contracted under the action of the compression spring 12, so that the anchor rod is pulled out, and the anchor rod is recovered.
Example 2
The retractable quick-anchor expansion anchor rod described in embodiment 1 may further include a pry bar inserted into the pry bar hole 18 and located outside the rope tensioner seat 13. So that the rope tightener 6 can be rotated by rotating the pry bar to tighten the steel wire rope 3.
Example 3
The recoverable quick-anchoring expansion anchor rod of embodiment 1 or embodiment 2 can further comprise that the supporting teeth 7 are wedge-shaped toothed plates. So that the abutment teeth 7 are anchored in the anchoring face.
Still further, the supporting teeth 7 are right-angle wedge-shaped tooth plates. So as to facilitate the machining and installation of the abutment teeth 7.
Still further, the number of the branch teeth 7 is four. Thus, the four supporting teeth 7 can be respectively arranged in the four gaps of the grid plate shaped like the Chinese character 'jing' of the nest seat 9.
Furthermore, the wedge-shaped inclined planes of the four branch teeth 7 are all positioned at the outer side, and the four branch teeth 7 are uniformly distributed. To facilitate anchoring of the abutment 7 into the anchoring surface.
Furthermore, the supporting teeth 7 are provided with rope holes, and the end parts of the steel wire ropes 3 are fastened on the supporting teeth 7 through the rope holes. Anchoring can be achieved by pulling the wire rope 3 so that the abutment teeth 7 open.
Still further, ground tackle 5 is the internal thread pipe, and steel pipe 2 is provided with the external screw thread on being located the outer wall of ground tackle 5 department, and ground tackle 5 passes through threaded connection with steel pipe 2. To facilitate anchoring of anchorage 5.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (8)

1. A recyclable quick anchor expanding end anchor rod comprises an anchor head (1), a steel pipe (2), a steel wire rope (3), a backing plate (4), an anchorage device (5) and a rope tightener (6); the anchor head is characterized in that the anchor head (1) comprises a supporting tooth (7), a rotating shaft (8), a nest seat (9), a spring tube (10), a cylindrical sliding block (11) and a compression spring (12);
the front section of the nest seat (9) is a grid shaped like a Chinese character 'jing', and the support teeth (7) are arranged in the gaps of the grid plate shaped like the Chinese character 'jing' of the nest seat (9) through the rotating shaft (8); the section of the rear section of the nest seat (9) is of a circular structure, a spring tube (10) is arranged in the circular structure, holes are formed in two ends of the spring tube (10), a compression spring (12) and a cylindrical sliding block (11) are arranged in the spring tube (10), the nest seat (9) is connected to a steel tube (2), a steel wire rope (3) is positioned in the spring tube (10) in the steel tube (2), the end part of the steel wire rope (3) penetrates through the holes and is fastened on a supporting tooth (7), a through hole is formed in the center of the cylindrical sliding block (11), and the steel wire rope (3) penetrates through the through hole;
the rope tightener (6) comprises a rope tightener seat (13), a main body pipe (14), an anti-falling gear (15), an anti-falling clamp (16) and a rope hanging nail (17); the rope tensioner seat (13) is of a rectangular frame structure with an opening at the rear side, the front side wall of the rope tensioner seat (13) is connected with the steel pipe (2), pipe holes are formed in the left side wall and the right side wall of the rope tensioner seat (13) respectively, two ends of the main body pipe (14) extend into the pipe holes respectively, one end of the main body pipe (14) is connected with an anti-falling gear (15) located on the outer side of the rope tensioner seat (13), the other end of the main body pipe (14) extends out of the rope tensioner seat (13), and a prying rod hole (18) is formed in the side wall of one end, extending out of the rope tensioner seat (13), of the main body pipe (14); the anti-reverse clamp (16) is a wedge-shaped plate, the wedge angle end of the anti-reverse clamp (16) extends into the tooth gap of the anti-reverse gear (15), and the other end of the anti-reverse clamp (16) is connected with the rope tensioner seat (13) through a shaft lever; the rope hanging nail (17) is arranged on the front side wall of the rope tightener seat (13); the steel wire rope (3) is hung on the rope hanging nail (17);
the annular base plate (4) and the annular anchorage device (5) are sleeved outside the steel pipe (2) and are in contact connection with the anchoring surface.
2. The recoverable quick anchor end-expanding anchor rod of claim 1, wherein a pry bar is disposed in the pry bar hole (18) outside the rope tensioner seat (13).
3. The recoverable quick anchor expanded end anchor rod of claim 2, wherein the support teeth (7) are wedge shaped teeth.
4. The recoverable quick anchor expanded end anchor rod of claim 3, wherein the support teeth (7) are rectangular wedge shaped teeth.
5. The recoverable quick anchor end-expanding bolt of claim 4, wherein the number of the support teeth (7) is four.
6. The recoverable quick anchor end-expanding bolt of claim 5, wherein the wedge-shaped slopes of the four support teeth (7) are all located on the outside, and the four support teeth (7) are evenly distributed.
7. The recoverable quick anchor expanding end anchor rod according to claim 6, wherein the supporting teeth (7) are provided with bolt holes, and the ends of the steel wire ropes (3) are fastened on the supporting teeth (7) through the bolt holes.
8. The recyclable quick anchor expanding end anchor rod as claimed in claim 7, wherein the anchor (5) is an internally threaded tube, the steel tube (2) is provided with external threads on the outer wall at the anchor (5), and the anchor (5) is in threaded connection with the steel tube (2).
CN201921651965.1U 2019-09-30 2019-09-30 Recoverable anchor rod with quick anchor expansion end Expired - Fee Related CN210975805U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921651965.1U CN210975805U (en) 2019-09-30 2019-09-30 Recoverable anchor rod with quick anchor expansion end

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921651965.1U CN210975805U (en) 2019-09-30 2019-09-30 Recoverable anchor rod with quick anchor expansion end

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Publication Number Publication Date
CN210975805U true CN210975805U (en) 2020-07-10

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CN201921651965.1U Expired - Fee Related CN210975805U (en) 2019-09-30 2019-09-30 Recoverable anchor rod with quick anchor expansion end

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114753362A (en) * 2022-04-24 2022-07-15 扬州大学 Recoverable stock of built-in anchor rod of interior spiral formula

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114753362A (en) * 2022-04-24 2022-07-15 扬州大学 Recoverable stock of built-in anchor rod of interior spiral formula
CN114753362B (en) * 2022-04-24 2024-02-23 扬州大学 Recoverable stock of internal rotation type built-in anchor pole

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200710

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