CN218816462U

CN218816462U - Expansion type anchor rod structure

Info

Publication number: CN218816462U
Application number: CN202023198810.2U
Authority: CN
Inventors: 黄金狮; 王浩
Original assignee: Xiamen Jinhaiming Industry And Trade Co ltd
Current assignee: Xiamen Jinhaiming Industry And Trade Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2023-04-07
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses an expand formula stock structure, which comprises an anchor rod, the anchor head, the unblock copper wire, the hasp, the direction is pressed the cover and is expanded the unit, stock tip fixed connection anchor head, the neighbouring head cover of stock has seamless pipe and welded fastening, the seamless pipe is equipped with the unit that expands outward, be equipped with compression spring and direction pressure cover on the seamless pipe between linkage position and the fixed plate, the direction is pressed the cover and is reciprocated along seamless pipe and expand the unit expansion with the drive, the intermediate part of hasp is connected to direction pressure cover one side, hasp one end is the effect end, the hasp other end is connected with the unblock copper wire, direction pressure cover one side is equipped with the lockhole, be equipped with the locating hole on the seamless pipe, the hasp passes the lockhole and fixes and makes the unit that expands in the locating hole and be and packs up the state. The utility model discloses formula stock structure expands, the unblock back, expands the unit and forms the expansion part under spring and direction pressure sleeve impetus to improve anchor power.

Description

Expansion type anchor rod structure

Technical Field

The utility model discloses an expand formula stock structure that rises belongs to anchor technical field according to international patent classification table (IPC) division.

Background

The anchor rod anchoring technology is that the anchor rod is set inside the drilled hole and cement mortar is poured into the drilled hole for anchoring. The existing anchor rods are mostly of a fixed structure, the bearing plates with the diameters fixed by welding at the head parts of the anchor rods are used for improving the anchoring force of the anchor rods, the size of the bearing plates determines the size of a drilled hole, the bearing plates are too large, and although the anchoring force is increased, the costs of drilling, grouting and the like are obviously increased.

Disclosure of Invention

Not enough to prior art, the utility model provides an expand formula stock structure can open the structure through the stock head, effectively improves anchor power.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

an expansion anchor rod structure comprises an anchor rod, an anchor head, an unlocking steel wire, a lock catch, a guide pressing sleeve and an expansion unit, wherein the end part of the anchor rod is fixedly connected with the anchor head, a seamless pipe is sleeved on the anchor rod adjacent to the head part and is welded and fixed, the expansion unit is arranged outside the seamless pipe, the seamless pipe is hinged with the expansion unit to form an upper connection position and a lower connection position, a fixed plate is arranged above the upper connection position of the seamless pipe, a compression spring and the guide pressing sleeve are arranged between the upper connection position of the seamless pipe and the fixed plate, the guide pressing sleeve moves up and down along the seamless pipe to drive the expansion unit to expand, one side of the guide pressing sleeve is connected with the middle part of the lock catch, one end of the lock catch is an acting end, the other end of the lock catch is connected with the unlocking steel wire, one side of the guide pressing sleeve is provided with a lock hole, and the lock catch penetrates through the lock hole and is fixed in the positioning hole to enable the expansion unit to be in a retracted state.

Furthermore, the expansion unit comprises an upper fixing sheet, a lower fixing sheet, an upper connecting rod, a lower connecting rod and vertical rods, wherein the upper fixing sheet and the lower fixing sheet are fixed with the seamless pipe, the peripheral side of the upper fixing sheet is hinged with the upper part of the vertical rods through more than three upper connecting rods, the peripheral side of the lower fixing sheet is hinged with the lower part of the vertical rods through more than three lower connecting rods, and the vertical rods are connected through steel wires to form an annular structure.

Further, the guide pressing sleeve is integrally formed and comprises a barrel part and a disc part extending towards the circumferential side of the bottom end of the barrel part, radial guide grooves are formed in the periphery of the disc part, the number of the guide grooves corresponds to that of the upper connecting rods, and the entrance of each guide groove is of an expanding structure.

Furthermore, a through hole is formed in the fixing plate, and the unlocking steel wire penetrates through the through hole and extends upwards from the anchor rod.

Further, the anchor head is the round platform body, and it combines with stock and seamless pipe, and the lower connection piece is close to the anchor head setting and is fixed.

The utility model discloses expand formula stock structure, the unblock back, expand the unit and under spring and direction pressure sleeve impetus, form the expansion portion at the stock tip, can with the mortar more large tracts of land contact solidification, and improve the anchor power.

Drawings

Fig. 1 is a schematic view of a retracted state of the embodiment of the present invention.

Fig. 2 is a schematic view of the expanded state of the embodiment of the present invention.

Fig. 3 is a side view of the guiding pressing sleeve of the utility model.

Fig. 4 is a top view of the guiding pressing sleeve of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

the embodiment is as follows: referring to fig. 1 to 4, an expansion anchor rod structure includes an anchor rod 1, an anchor head 2, an unlocking steel wire 3, a lock catch 4, a guiding pressing sleeve 5 and an expansion unit 6, wherein the end of the anchor rod 1 is fixedly connected with the anchor head 2, the anchor rod 1 is sleeved with a seamless pipe 7 adjacent to the head and is welded and fixed, the expansion unit 6 is arranged outside the seamless pipe 7, the seamless pipe 7 is hinged with the expansion unit 6 to form an upper connection position and a lower connection position, a fixing plate 8 is arranged above the upper connection position of the seamless pipe 7, a compression spring 9 and the guiding pressing sleeve 5 are arranged between the upper connection position of the seamless pipe and the fixing plate, the guiding pressing sleeve 5 moves up and down along the seamless pipe to drive the expansion unit 6 to expand, one side of the guiding pressing sleeve 5 is connected with the lock catch 4, one end of the lock catch 4 is an action end, the other end of the lock catch 4 is connected with the unlocking steel wire 3, one side of the guiding pressing sleeve 5 is provided with a lock hole 501, the seamless pipe is provided with a positioning hole, and the lock catch 4 passes through the lock hole and is fixed in the positioning hole to enable the expansion unit 6 to be in a retracted state. The utility model discloses an embodiment, unit 6 that expands includes the stationary blade, down the stationary blade, goes up connecting rod 61, lower connecting rod 62 and pole setting 63, goes up the stationary blade, down fixed and seamless pipe 7 is fixed, goes up stationary blade week side and articulates with pole setting 63 upper portion through the last connecting rod 61 more than three, and lower stationary blade week side is articulated through lower connecting rod 62 more than three and pole setting 63 lower part, connects through the steel wire line between each pole setting and forms annular structure. The utility model discloses an embodiment, the direction is pressed cover 5 and is integrated into one piece, including barrel 51 and to the disk 52 of somatic part bottom to week side extension, disk 52 periphery is equipped with radial guide way 502, and guide way quantity corresponds with the cooperation of last connecting rod, and the guide way entrance is for enlarging the structure. Be equipped with the via hole on fixed plate 8, unblock copper wire 3 passes the hole and upwards extends with the stock. The utility model discloses an anchor head 2 is the round platform body, and it combines with stock 1 and seamless pipe 7, and the lower connection piece is close to the anchor head and sets up fixedly. The utility model discloses well stock adopts screw-thread steel or other steel poles.

The utility model discloses the use as follows: initially, the anchor rod 1, the unlocking steel wire 3 and the expansion unit 6 extend into the prefabricated drill hole in the retracted state, when the bottom of the drill hole is pulled, the action end of the lock catch 4 is separated from the lock hole, the guide pressing sleeve 5 moves downwards under the action of the compression spring 9, so that the upper connecting rods are pushed to expand until the upper connecting rods are close to the upper connecting positions, the expansion unit completely expands the space where the expansion unit is located, and cement mortar is poured and combined to form the anchoring end.

The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.

Claims

1. The utility model provides an expand formula stock structure which characterized in that: the end of the anchor rod is fixedly connected with the anchor head, a seamless pipe is sleeved on the anchor rod and is welded and fixed near the head, the expansion unit is arranged outside the seamless pipe, the seamless pipe is hinged with the expansion unit to form an upper connection position and a lower connection position, a fixed plate is arranged above the upper connection position of the seamless pipe, a compression spring and a guide pressure sleeve are arranged between the upper connection position of the seamless pipe and the fixed plate, the guide pressure sleeve moves up and down along the seamless pipe to drive the expansion unit to expand, one side of the guide pressure sleeve is connected with the middle part of the lock catch, one end of the lock catch is an action end, the other end of the lock catch is connected with the unlocking steel wire, a lock hole is arranged on one side of the guide pressure sleeve, a positioning hole is arranged on the seamless pipe, and the lock catch penetrates through the lock hole and is fixed in the positioning hole to enable the expansion unit to be in a retracted state.

2. An expanding bolt structure according to claim 1, wherein: the expansion unit comprises an upper fixing sheet, a lower fixing sheet, an upper connecting rod, a lower connecting rod and upright rods, wherein the upper fixing sheet and the lower fixing sheet are fixed with the seamless pipe, the peripheral side of the upper fixing sheet is hinged with the upper part of the upright rods through more than three upper connecting rods, the peripheral side of the lower fixing sheet is hinged with the lower part of the upright rods through more than three lower connecting rods, and the upright rods are connected through steel wire lines to form an annular structure.

3. An expanding bolt structure according to claim 1, wherein: the guide pressing sleeve is integrally formed and comprises a barrel body part and a disc body part extending towards the circumferential side of the bottom end of the barrel body part, radial guide grooves are formed in the periphery of the disc body part, the number of the guide grooves corresponds to that of the upper connecting rods, and the entrance of each guide groove is of an expanding structure.

4. An expanding bolt structure according to claim 1, 2 or 3, wherein: be equipped with the via hole on the fixed plate, the unblock copper wire passes the hole and upwards extends with the stock.

5. An expanding bolt structure according to claim 2, wherein: the anchor head is the round platform body, and it combines with stock and seamless pipe, and lower connection piece is close to the anchor head and sets up fixedly.