CN218437024U

CN218437024U - Segmentation curvature prestressing force anchor

Info

Publication number: CN218437024U
Application number: CN202222033067.8U
Authority: CN
Inventors: 张帆; 崔晨曦; 赵建军; 张宏伟; 于刚; 白晓璟; 徐洁浩; 肖蒂; 姜彤; 董金玉; 张兴胜
Original assignee: Henan Xinhua Wuyue Pumped Storage Power Generation Co ltd
Current assignee: Henan Xinhua Wuyue Pumped Storage Power Generation Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-02-03
Anticipated expiration: 2032-08-03

Abstract

The utility model provides a pair of segmentation curvature prestressed anchorage device, can walk around weak soil and obstacle region and carry out the anchor and can dismantle the recovery and avoid influencing underground construction engineering, the technical scheme of its solution is, the installation structure comprises a sleeve pipe, a plurality of barb structures of sleeve pipe outer wall fixedly connected with, the sleeve pipe stretches into the inside bottom fixedly connected with anchor section of ground body, anchor section up end rotates and is connected with the sleeve, the inside release mechanism that is equipped with of sleeve is connected with curved line anchor atress body through connecting release mechanism, curved line anchor atress body one end fixedly connected with screw thread section, screw thread section screw-thread fit has the nut, be equipped with the backing plate between nut and the ground body side slope, the first through-hole with screw thread section complex is seted up at the backing plate center, the second through-hole has been seted up to backing plate center one side, be equipped with the stay cord that stretches into the inside of sleeve pipe in the second through-hole, the stay cord is connected with the sleeve, the utility model provides a can segmentation bending suitability is higher and be convenient for dismantle the prestressed anchorage device who retrieves.

Description

Segmentation curvature prestressing force anchor

Technical Field

The utility model relates to an anchor, especially a segmentation curvature prestressed anchorage device.

Background

In engineering construction, need to pass through the anchor body to the dado of building foundation ditch and pass through the anchor body and carry out the safety reinforcement to the country rock near the building, and in actual engineering construction, when anchor section of anchor device meets soft ground or the structure that needs protection, anchor device need bypass soft ground or the stratum that needs protection anchor, because present anchor device is mostly the linear type this moment, make anchor device often can not bypass soft ground or the stratum that needs protection anchor, prior art has certain limitation, and because many anchor bodies stretch into the anchor section of geotechnical body and strengthen the anchor through the slip casting, this will lead to anchor body later stage to dismantle more difficultly, in the construction of follow-up subway in city, subway construction shield constructs the stock that the machine installed when meeting foundation ditch support in the past, these stock or anchor rope that leave over can lead to the clamping cutter head of shield machine can's difficulty to get rid of getting rid of, prevent shield machine's marcing and lead to the shield machine can's unable normal tunnelling, present anchor body leads to anchor body to dismantle more difficult because of its construction technology.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a segmentation curvature prestressed anchorage device, the curvilinear figure anchor atress body through setting up the steel strand wires and making it meet soft stratum and barrier when the anchor section of building anchor device, the anchor atress body can walk around soft stratum and barrier region and anchor, the suitability of device has been improved, this prestressed anchorage device can in time provide the support resistance through applying prestressing force after the installation, control stratum and structure deformability are strong, be favorable to the stratum stability, make the device not only play the anchor to the ground body still can conveniently dismantle the recovery and avoid causing "pollution" to geological environment through setting up the connection release mechanism.

The technical scheme who solves is, the movable type rock-soil mass anchoring device comprises a sleeve, the barb structure that a plurality of edges axial of sleeve pipe outer wall fixedly connected with evenly arranged, the sleeve pipe stretches into the inside bottom fixedly connected with anchor section of ground body, anchor section up end rotates and is connected with the sleeve, the inside curvilinear figure anchor atress body that is equipped with and connects release mechanism and is connected with through connecting release mechanism and arranging with the sleeve pipe is coaxial, curvilinear figure anchor atress body exposes the one end fixedly connected with screw thread section of ground body, screw thread section screw-thread fit has the nut, be equipped with the backing plate between nut and the ground body side slope, the first through-hole with screw thread section complex is seted up at the backing plate center, the second through-hole with the inside intercommunication of sleeve pipe is seted up to backing plate center one side, be equipped with the stay cord that stretches into the intraduct in the second through-hole, the stay cord is connected with the sleeve.

As preferred, connect release mechanism include fixed connection at anchor section up end and with the coaxial drive shaft of arranging of sleeve, fixedly connected with long key in the drive shaft, it still includes vertical sliding connection and drives epaxial connecting block to connect release mechanism, be equipped with a plurality of compression spring between connecting block and the anchor section up end, the sleeve up end is seted up and is evenly seted up a plurality of draw-in grooves along the circumference with the through-hole that the connecting block size is unanimous, the connecting block is along the even fixedly connected with of circumference a plurality of and the draw-in groove fixture block that the position corresponds in a plurality of and, connecting block up end and curvilinear figure anchor atress body fixed connection.

Preferably, the drive shaft is slidably connected to the connecting block via a key-way fit, and the connecting block is slidable upward along the drive shaft.

Preferably, one end of the compression spring is fixedly connected with the upper end face of the anchoring section, and the other end of the compression spring is abutted against the lower end face of the connecting block.

Preferably, the sleeve is made of a non-metallic material.

Preferably, the curved anchoring stress body is made of steel strands.

Preferably, the upper end face of the anchoring section is fixedly connected with a guide ring, and one end of the pull rope extending into the sleeve penetrates through the guide ring and is spirally wound and fixed on the outer wall of the sleeve.

The utility model has the advantages that:

1. the curved anchoring stress body made of the steel strands is arranged, so that the anchoring stress body can be anchored by bypassing the soft ground and the obstacle area when the anchoring section of the building anchoring device encounters the soft ground and the obstacle, and the applicability of the device is improved;

2. the prestressed anchoring device can provide support resistance in time by applying prestress after installation, control the strong deformability of the stratum and the structure, and is beneficial to the stability of the stratum;

3. the device not only can anchor the rock-soil body, but also can be conveniently disassembled and recycled to avoid polluting the geological environment by arranging the connecting and unlocking mechanism.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a partial cross-sectional view of the overall schematic diagram of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.

Fig. 4 is a partial cross-sectional view of the internal structure of fig. 3 according to the present invention.

Fig. 5 is a schematic view of the backing plate device of the present invention.

Fig. 6 is an assembly schematic diagram of the present invention in the rock-soil body.

Reference numerals

1. The novel mechanical device comprises a sleeve, 2, a barb structure, 3, an anchoring section, 4, a sleeve, 5, a curved anchoring stress body, 6, a thread section, 7, a nut, 8, a backing plate, 9, a first through hole, 10, a second through hole, 11, a pull rope, 12, a driving shaft, 13, a long key, 14, a connecting block, 15, a compression spring, 16, a clamping groove, 17, a clamping block and 18, and a guide ring.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying fig. 1-6.

The utility model discloses a device when installing, at first put sleeve pipe 1 and sleeve pipe 1 into ground internal bottom fixed connection's anchor section 3 and insert ground internal depth, sleeve pipe 1 outer wall fixed connection has a plurality of barb structures 2 of evenly arranging along the axial, a plurality of barb structures 2 do not hinder sleeve pipe 1 to the inside depths of ground internal portion to move when sleeve pipe 1 inserts ground internal portion, a plurality of barb structures 2 open when sleeve pipe 1 receives upward pull-out force after the device installation finishes, the pore wall that tightly grasps ground internal portion hinders sleeve pipe 1 to move upwards, anchor section 3 up end is rotated and is connected with sleeve 4, curved shape anchor atress body 5 that curved shape anchor atress body 5 and sleeve pipe 1 coaxial arrangement is connected through connecting the release mechanism to the inside of sleeve 4, anchor atress body 5 exposes ground one end fixed connection has screw thread section 6, screw thread section 6 screw-thread fit has nut 7, a backing plate 8 is arranged between the nut 7 and the rock-soil body side slope, a first through hole 9 matched with the thread section 6 is arranged in the center of the backing plate 8, a second through hole 10 communicated with the inside of the sleeve 1 is arranged at one side of the center of the backing plate 8, a pull rope 11 extending into the sleeve 1 is arranged in the second through hole 10, the pull rope 11 is connected with the sleeve 4, the connecting and unlocking mechanism comprises a driving shaft 12 fixedly connected with the upper end surface of the anchoring section 3 and coaxially arranged with the sleeve 4, a long key 13 is fixedly connected on the driving shaft 12, the connecting and unlocking mechanism also comprises a connecting block 14 vertically connected on the driving shaft 12 in a sliding manner, a plurality of compression springs 15 are arranged between the connecting block 14 and the upper end surface of the anchoring section 3, a through hole with the size consistent with that of the connecting block 14 is arranged on the upper end surface of the sleeve 4, a plurality of clamping grooves 16 are uniformly arranged along the circumference, and a plurality of clamping blocks 17 with the same number and corresponding to the clamping grooves 16 are uniformly and fixedly connected on the circumference of the connecting block 14, the upper end face of the connecting block 14 is fixedly connected with the curved anchoring stressed body 5, the driving shaft 12 is in sliding connection with the connecting block 14 through key groove matching, the connecting block 14 can slide upwards along the driving shaft 12, one end of the compression spring 15 is fixedly connected with the upper end face of the anchoring section 3, the other end of the compression spring is abutted to the lower end face of the connecting block 14, in the process that the sleeve 1 is inserted into the inner bottom end of the rock-soil body, the connecting block 14 is kept at the inner top end of the sleeve 4 all the time under the action force of the compression springs 15 between the upper end face of the anchoring section 3, a plurality of clamping blocks 17 on the connecting block 14 do not correspond to positions of a plurality of clamping grooves 16 formed in the upper end face of the sleeve 4, then the anchoring section 3 is subjected to concrete pouring to anchor the anchoring section 3 in the inner depth of the rock-soil body, the nut 7 is screwed down to apply prestress to the curved anchoring stressed body 5 to tightly press the backing plate 8 on the rock-soil slope side slope after anchoring is finished, as the nut 7 is in threaded matching with the threaded fit between the threaded portion 6 of the anchoring section of the curved anchoring stressed body 5 to generate longitudinal tension to the curved anchoring stressed body 5, and the anchoring section 5, the sleeve is prevented from being subjected to further increase the pull of the sleeve 14 when the sleeve 1 and the sleeve 14, the sleeve 5 is connected with the sleeve 12, thereby preventing the sleeve from further vertical stress of the sleeve from the stress of the sleeve 1.

The curved anchoring stress body 5 of the device is made of steel strands, so that the curved anchoring stress body 5 can be bent at any angle, when an anchoring section of the building anchoring device encounters a soft stratum and an obstacle, the anchoring device needs to bypass a soft soil area and an obstacle area for anchoring, at the moment, the curved anchoring stress body 5 made of the steel strands can be used after a curved anchoring hole bypassing the soft soil area and the obstacle area is drilled, so that the curved anchoring stress body 5 can bypass the soft soil area and the obstacle area for anchoring, the segmented curvature anchoring is realized, the applicability of the device is improved, and the pre-stressed anchoring device can timely provide support by applying pre-stress resistance after being installed, the deformation capacity of the controlled stratum and the structure is strong, and the ground stabilization is facilitated.

When the subway construction shield machine reaches the region where the underground device is distributed, the device needs to be disassembled to prevent the blockage of the construction of the shield machine, at the moment, the nut 7 needs to be unscrewed firstly to enable the curved anchoring stress body 5 to lose the prestress, then the pull rope 11 only needs to be pulled outwards, as the upper end face of the anchoring section 3 is fixedly connected with the guide ring 18, one end of the pull rope 11, which extends into the sleeve 1, penetrates through the guide ring 18 and is spirally wound and fixed on the outer wall of the sleeve 4, so the pull rope 11 drives the sleeve 4 to rotate on the upper end face of the anchoring section 3 when being pulled, when the sleeve 4 rotates, when the plurality of clamping grooves 16, which are formed in the upper end face of the sleeve 4, the connecting block 14 moves upwards along the driving shaft 12 under the elastic action of the plurality of compression springs 15, so that the plurality of clamping grooves 16 are embedded into the corresponding clamping grooves 16, when the pull rope 11 is pulled outwards, the connecting block 17 is embedded into the plurality of corresponding clamping grooves 16, and the connecting block 14 cannot rotate, so that the sleeve 4 cannot rotate, when the pulling pull rope 11 pulls out, the connecting block 14 and the anchoring stress body 5 can not pull out, and the connecting block 14 can not interfere with the residual anchoring stress of the anchor sleeve 5, and the residual anchor sleeve 5, so that the connecting block 14 can be formed in the anchor engineering sleeve 5 can be pulled out after the anchor engineering work space can be pulled out, and the anchor engineering sleeve 1 and the anchor engineering, and the anchor engineering work space can be pulled out, and the anchor engineering sleeve 5, and the anchor engineering sleeve can not be pulled out.

Claims

1. The utility model provides a segmentation curvature prestressed anchorage device, a serial communication port, including sleeve pipe (1), sleeve pipe (1) outer wall fixedly connected with a plurality of barb structures (2) of evenly arranging along the axial, sleeve pipe (1) stretches into ground internal portion bottom fixedly connected with anchor section (3), anchor section (3) up end rotates and is connected with sleeve (4), sleeve (4) inside is equipped with connects release mechanism and is connected with curvilinear figure anchor atress body (5) with sleeve pipe (1) coaxial arrangement through connecting release mechanism, curvilinear figure anchor atress body (5) expose the one end fixedly connected with screw thread section (6) of ground body, screw thread section (6) screw-thread fit has nut (7), be equipped with between nut (7) and the ground body backing plate (8), backing plate (8) center is seted up with screw thread section (6) complex first through-hole (9), backing plate (8) center one side is seted up second through-hole (10) with the inside intercommunication of sleeve pipe (1), be equipped with in the second through-hole (10) and stretch into stay cord (11) of sleeve pipe (1), stay cord (11) are connected with sleeve pipe (4).

2. The segmented curvature pre-stressed anchoring device according to claim 1, wherein the connecting and unlocking mechanism comprises a driving shaft (12) fixedly connected to the upper end face of the anchoring section (3) and coaxially arranged with the sleeve (4), a long key (13) is fixedly connected to the driving shaft (12), the connecting and unlocking mechanism further comprises a connecting block (14) vertically slidably connected to the driving shaft (12), a plurality of compression springs (15) are arranged between the connecting block (14) and the upper end face of the anchoring section (3), a through hole with the size consistent with that of the connecting block (14) is formed in the upper end face of the sleeve (4), a plurality of clamping grooves (16) are uniformly formed in the upper end face of the sleeve (4), a plurality of clamping blocks (17) with the number consistent with that of the clamping grooves (16) and corresponding to the positions are uniformly and fixedly connected to the connecting block (14) along the circumference, and the upper end face of the connecting block (14) is fixedly connected with the curved anchoring force-bearing body (5).

3. A prestressed anchorage assembly according to claim 2, characterized in that the driving shaft (12) is slidably connected to the connecting block (14) by means of a splined engagement and the connecting block (14) is slidable upwardly along the driving shaft (12).

4. The prestressed anchoring device according to claim 2, wherein said compression spring (15) is fixedly connected at one end to the upper end surface of the anchoring section (3) and at the other end to the lower end surface of the connecting block (14).

5. A prestressed anchorage device with sectional curvature according to claim 1, characterized in that said sleeve (1) is made of non-metallic material.

6. The prestressed anchorage device of sectional curvature according to claim 1, wherein said curvilinear anchorage bearing body (5) is made of steel strand.

7. The prestressed anchoring device with sectional curvature according to claim 1, wherein a guide ring (18) is fixedly connected to the upper end surface of said anchoring section (3), and one end of said pulling rope (11) extending into the interior of said sleeve (1) is passed through said guide ring (18) and spirally wound and fixed on the outer wall of said sleeve (4).