CN211849406U - Fan-shaped expanding anchor pile - Google Patents

Fan-shaped expanding anchor pile Download PDF

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Publication number
CN211849406U
CN211849406U CN202020137785.8U CN202020137785U CN211849406U CN 211849406 U CN211849406 U CN 211849406U CN 202020137785 U CN202020137785 U CN 202020137785U CN 211849406 U CN211849406 U CN 211849406U
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China
Prior art keywords
abutting
fan
anchor
anchor pipe
outer anchor
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Active
Application number
CN202020137785.8U
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Chinese (zh)
Inventor
郑孝干
何力坚
张世炼
何思炳
冯振波
庄学平
林信恩
卢勋
赵新丰
张元伟
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State Grid Fujian Electric Power Co Ltd
Fuzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
State Grid Fujian Electric Power Co Ltd
Fuzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Application filed by State Grid Fujian Electric Power Co Ltd, Fuzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical State Grid Fujian Electric Power Co Ltd
Priority to CN202020137785.8U priority Critical patent/CN211849406U/en
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Abstract

The utility model relates to a fan-shaped expanding anchor pile, which comprises an outer anchor pipe and a mandril with threads penetrating through the inner part of the outer anchor pipe, wherein the outer side wall of the upper end of the outer anchor pipe is fixedly connected with a stay cord fixing ring, the lower end of the outer anchor pipe is provided with a hollow expanding part, and the inner surface of the hollow expanding part is provided with a propping and pushing block; the lower end of the ejector rod is provided with an abutting part which is used for abutting against the abutting push block so as to push the hollow expansion part to expand outwards. The utility model has the advantages of simple and reasonable design, utilize the ejector pin top to push away the outside expansion of hollow expansion portion of outer anchor pipe lower extreme, form expanding structure, reach the function of anchor, construction convenience, the anchor is effectual.

Description

Fan-shaped expanding anchor pile
The technical field is as follows:
the utility model relates to a fan-shaped expanding anchor pile.
Background art:
at present, the anchor pile of needs stay cord such as insulating companion ladder all adopts the mode of artifical hammering to beat to set up the anchor pile temporarily, and this kind of operation method sets up the anchor pile and requires higher to topography and geology, if meet stereoplasm topography such as cement ground or gravel, then the artifical extremely difficult anchor pile that sets up fast, if meet the condition of taking the rock under the topsoil layer also can't the safe anchor pile that sets up fast, influences the electrified progress of salvageing. In addition, when the anchor pile arranged in the hard geology is recovered, the anchor pile is extremely difficult, and the anchor pile body is easily damaged by a simple back-striking method.
The utility model has the following contents:
the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a fan-shaped expanding anchor pile is provided, structural design is reasonable, construction convenience.
In order to realize the purpose, the utility model discloses a technical scheme is: a fan-shaped expanding anchor pile comprises an outer anchor pipe and a mandril which is arranged in the outer anchor pipe in a threaded manner, wherein the outer side wall of the upper end of the outer anchor pipe is fixedly connected with a stay cord fixing ring, the lower end of the outer anchor pipe is provided with a hollow expanding part, and the inner surface of the hollow expanding part is provided with an abutting push block; the lower end of the ejector rod is provided with an abutting part which is used for abutting against the abutting push block so as to push the hollow expansion part to expand outwards.
Furthermore, the hollow expansion part is formed by enclosing a plurality of fan-shaped single sheets which are circumferentially distributed along the axis of the outer anchor pipe, and the upper ends of the fan-shaped single sheets are fixedly connected with the outer anchor pipe.
Furthermore, the inner surface of each fan-shaped single row is provided with a propping single block, and the propping single blocks on the inner surfaces of the plurality of fan-shaped single plates are enclosed to form propping push blocks.
Furthermore, the abutting part is in a conical shape; the inner side end of the abutting single piece is provided with an abutting inclined plane, and the abutting inclined planes of the abutting single pieces on the inner surfaces of the plurality of fan-shaped single pieces enclose to form a conical abutting concave part matched with the abutting part.
Furthermore, the taper of the abutting part and the taper of the abutting concave part are both 60 degrees.
Further, a gap is formed between the two adjacent fan-shaped single pieces.
Furthermore, the inner wall of the upper end of the outer anchor pipe is provided with an internal thread; and the outer wall of the upper end of the ejector rod is provided with an external thread matched with the internal thread.
Furthermore, the upper end of the ejector rod extends out of the outer anchor pipe, and the top of the ejector rod is fixedly connected with an operation ring for rotating the ejector rod.
Furthermore, the stay cord fixing ring is cuboid, and a connecting round hole for fixing the stay cord is formed in the stay cord fixing ring.
Compared with the prior art, the utility model discloses following effect has: the utility model has the advantages of simple and reasonable design, utilize the ejector pin top to push away the outside expansion of hollow expansion portion of outer anchor pipe lower extreme, form expanding structure, reach the function of anchor, construction convenience, the anchor is effectual.
Description of the drawings:
fig. 1 is a first perspective view of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of the embodiment of the present invention;
fig. 3 is a schematic front sectional view of an embodiment of the present invention;
fig. 4 is a schematic front sectional view of an outer anchor tube according to an embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not 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 therefore, should not be construed as limiting the present invention.
As shown in fig. 1 to 4, the utility model relates to a fan-shaped expanding anchor pile, including outer anchor pipe 1 and the ejector pin 2 that the screw thread wears to establish in outer anchor pipe 1, the upper end lateral wall of outer anchor pipe 1 is linked firmly stay cord solid fixed ring 3 for connect the stay cord, and the lower extreme of outer anchor pipe 1 is equipped with hollow expansion portion 4, hollow expansion portion 4 is enclosed by four fan-shaped monolithic pieces 5 that are distributed along the axis of outer anchor pipe 1 in the circumference and is formed, the upper end of fan-shaped monolithic piece 5 is linked firmly with outer anchor pipe 1 to make fan-shaped monolithic piece form cantilever structure, can be along the outside bending of stiff end, realize the effect of expansion; the inner surface of each fan-shaped single row 5 is also provided with a propping single block 6, and the propping single blocks 6 on the inner surfaces of the four fan-shaped single blocks 5 are enclosed to form propping push blocks 7; the lower end of the ejector rod 2 is provided with an abutting part 8 which is used for abutting against the abutting push block 7 so as to push the hollow enlarged part 4 to expand outwards. The fan-shaped single sheets at the lower end of the outer anchor pipe are pushed by the ejector rod to expand outwards to form an expansion structure, so that the anchoring function is achieved, the construction is convenient, and the anchoring effect is good.
In this embodiment, the abutting portion 8 is in a conical shape; the inner side end of the abutting single piece 6 is provided with an abutting inclined surface 9, and the abutting inclined surfaces of the abutting single pieces 6 on the inner surfaces of the fan-shaped single pieces 5 are enclosed to form a conical abutting concave part 10 matched with the abutting part 8. When the abutting part moves downwards along with the ejector rod, the outer surface of the abutting part is contacted with the abutting inclined planes of the abutting single pieces, and the fan-shaped single pieces can be pushed to expand outwards through the abutting single pieces as the abutting part moves downwards continuously. Preferably, the taper of the abutting portion and the taper of the abutting concave portion are both 60 degrees.
In this embodiment, a gap is formed between the two adjacent fan-shaped single sheets 5.
In this embodiment, the inner wall of the upper end of the outer anchor pipe 1 is provided with M2 internal threads 11; the outer wall of the upper end of the mandril 2 is provided with an M2 external thread 12 matched with the internal thread 11. The outer anchor pipe passes through threaded connection with the ejector pin, when clockwise or anticlockwise rotation ejector pin, can drive the ejector pin and stretch out and draw back along vertical, and then drives the portion of propping and remove.
In this embodiment, the upper end of the ejector rod 3 extends out of the outer anchor pipe 1, and the top of the ejector rod is fixedly connected with an operation ring 13 for rotating the ejector rod 2, so as to facilitate manual operation. Preferably, the operating ring and the ejector rod can be fixed by threads.
In this embodiment, the pull rope fixing ring 3 is a rectangular parallelepiped with a side length of 35mm and a thickness of 8mm, and the pull rope fixing ring 3 is provided with a connecting circular hole 14 for fixing the pull rope, and the diameter of the connecting circular hole is 20 mm. Preferably, the stay cord fixed ring is fixed on the outer wall of the shaft section where the internal thread of the outer anchor pipe is located through welding.
In this embodiment, for the convenience of processing, outer anchor pipe, fan-shaped monolithic and top support monolithic formula structure as an organic whole, four fan-shaped monolithic are cutting the lower extreme lateral wall of outer anchor pipe quartering.
In the embodiment, according to the requirements of field tests and use occasions, the total length of the outer anchor pipe and the fan-shaped single piece is 200mm, the inner diameter of the outer anchor pipe is 10mm, the length of the shaft section where the internal thread is located is 20mm, and the length of the fan-shaped single piece is 40 mm; the total length of the ejector rod is 21mm, the diameter of the ejector rod is 10mm, and the length of the shaft section where the external thread is located is 42 mm.
In this embodiment, the top portion of propping of ejector pin lower extreme and the separation of the ejector pad of propping in the hollow expansion portion under the initial condition, during the construction, bore at the anchor point and establish the anchor hole, insert fan-shaped expanding anchor pile in this anchor hole (the depth of insertion is not less than 120 mm), rotate the ejector pin through the operation ring, make the ejector pin remove downwards, the top bottom of ejector pin lower extreme is through propping the monolithic outwards expansion of four fan-shaped monolithic promotes, reach the inflation, the function of expansion, and then realize the anchor effect, can be used to the rock, the anchor of thick layer cement geology, more be fit for the anchor that is used for the intensity hard ground that the intensity is slightly low. When the anchor pile needs to be disassembled, the ejector rod is reversely rotated through the operation ring, so that the ejector bottom at the lower end of the ejector rod is separated from the ejection pushing block, the hollow expansion part retracts to the initial state, and then the whole anchor pile is pulled out from the anchoring hole, and the anchor pile is convenient to recycle.
The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.
The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (9)

1. The utility model provides a fan-shaped expanding anchor pile which characterized in that: the outer anchor pipe comprises an outer anchor pipe and a mandril which is arranged in the outer anchor pipe in a threaded penetrating manner, wherein the outer side wall of the upper end of the outer anchor pipe is fixedly connected with a stay cord fixing ring, the lower end of the outer anchor pipe is provided with a hollow enlarged part, and the inner surface of the hollow enlarged part is provided with a propping and pushing block; the lower end of the ejector rod is provided with an abutting part which is used for abutting against the abutting push block so as to push the hollow expansion part to expand outwards.
2. The anchor pile of claim 1, wherein: the hollow expansion part is formed by enclosing a plurality of fan-shaped single sheets which are circumferentially distributed along the axis of the outer anchor pipe, and the upper ends of the fan-shaped single sheets are fixedly connected with the outer anchor pipe.
3. The anchor pile of claim 2, wherein: the inner surface of each fan-shaped single row is provided with a propping single block, and the propping single blocks on the inner surfaces of the fan-shaped single plates are enclosed to form propping push blocks.
4. The anchor pile of claim 3, wherein: the abutting part is in a conical shape; the inner side end of the abutting single piece is provided with an abutting inclined plane, and the abutting inclined planes of the abutting single pieces on the inner surfaces of the plurality of fan-shaped single pieces enclose to form a conical abutting concave part matched with the abutting part.
5. The anchor pile of claim 4, wherein: the taper of the abutting part and the taper of the abutting concave part are both 60 degrees.
6. The anchor pile of claim 2, wherein: and a gap is formed between the two adjacent fan-shaped single sheets.
7. The anchor pile of claim 1, wherein: the inner wall of the upper end of the outer anchor pipe is provided with an internal thread; and the outer wall of the upper end of the ejector rod is provided with an external thread matched with the internal thread.
8. The anchor pile of claim 1, wherein: the upper end of the ejector rod extends out of the outer anchor pipe, and the top of the ejector rod is fixedly connected with an operation ring for rotating the ejector rod.
9. The anchor pile of claim 1, wherein: the pull rope fixing ring is cuboid, and a connecting round hole for fixing the pull rope is formed in the pull rope fixing ring.
CN202020137785.8U 2020-01-21 2020-01-21 Fan-shaped expanding anchor pile Active CN211849406U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020137785.8U CN211849406U (en) 2020-01-21 2020-01-21 Fan-shaped expanding anchor pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020137785.8U CN211849406U (en) 2020-01-21 2020-01-21 Fan-shaped expanding anchor pile

Publications (1)

Publication Number Publication Date
CN211849406U true CN211849406U (en) 2020-11-03

Family

ID=73232480

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020137785.8U Active CN211849406U (en) 2020-01-21 2020-01-21 Fan-shaped expanding anchor pile

Country Status (1)

Country Link
CN (1) CN211849406U (en)

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