CN217298974U

CN217298974U - Anchor cable structure for protecting highway side slope

Info

Publication number: CN217298974U
Application number: CN202220415810.3U
Authority: CN
Inventors: 徐睿; 李�权; 林君武; 谢长锋
Original assignee: Chongqing Traffic Engineering Supervision Consulting Co ltd
Current assignee: Chongqing Traffic Engineering Supervision Consulting Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-26
Anticipated expiration: 2032-02-28

Abstract

The application discloses anchor rope structure for highway side slope protection relates to anchor rope technical field, including ground tackle and stock, the ground tackle sets firmly in the one end of stock, the stock includes grout pipe and many steel strand wires that encircle the grout pipe setting, the one end that the ground tackle was kept away from to the stock is equipped with the direction cap, grout pipe is equipped with a plurality of spacers along self length direction cover, steel strand wires pass the spacer, the stock is close to the one end of direction cap and is equipped with a plurality of clamp rings along self length direction, the clamp ring makes steel strand wires buckle and compress tightly on the pipe wall of grout pipe to the grout pipe, the outer loop of clamp ring is equipped with many anchor bars around self, the anchor bar extends the setting to the direction of keeping away from the grout pipe. This application can make the engaging force between stock and the cement mortar better, can reduce the stock and appear not hard up possibility.

Description

Anchor cable structure for protecting highway side slope

Technical Field

The application relates to the technical field of anchor cable structures, in particular to an anchor cable structure for protecting a highway slope.

Background

The anchor cable is a prestressed steel strand which is fixed on the slope surface through the outer end and passes through the sliding surface of the side slope in a stable rock body with the other end anchored in the sliding surface, so that the anti-sliding resistance is directly generated on the sliding surface, the anti-sliding friction resistance is increased, the structural surface is in a compact state, and the integrity of the rock body of the side slope is improved, thereby fundamentally improving the mechanical property of the rock body, effectively controlling the displacement of the rock body, promoting the stability of the rock body, and achieving the purpose of renovating bedding, sliding slopes, dangerous rocks and dangerous rocks.

Need use the anchor rope fixed in highway side slope protection, strengthen the steadiness of side slope, highway's side slope passes through the anchor rope reinforcement, drill hole on the side slope during installation anchor rope, insert the anchor rope hole in, at the grout pipe pouring cement mortar of anchor rope, fix the anchor rope on the side slope, but most anchor ropes are at the atress in-process at present, because the anchor rope adhesion stress is inhomogeneous, make the consolidation body that cement mortar formed appear droing easily, the fracture scheduling problem leads to the anchor rope to appear becoming flexible, cause certain influence to the steadiness of side slope.

SUMMERY OF THE UTILITY MODEL

In order to improve the inhomogeneous anchor rope that leads to of anchor rope adhesion power and appear not hard up problem, this application provides an anchor rope structure for highway slope protection.

The application provides an anchor rope structure for highway slope protection adopts following technical scheme.

The utility model provides an anchor rope structure for highway slope protection, includes ground tackle and stock, the ground tackle sets firmly in the one end of stock, the stock includes grout pipe and many steel strand wires that encircle the grout pipe setting, the one end that the ground tackle was kept away from to the stock is equipped with the direction cap, grout pipe is equipped with a plurality of spacers along self length direction cover, steel strand wires pass the spacer, the one end that the stock is close to the direction cap is equipped with a plurality of cramp rings along self length direction, the cramp ring makes steel strand wires buckle and compress tightly on the pipe wall of grout pipe to the grout pipe, the outer loop of cramp ring is equipped with many anchor bars around self, the anchor bar extends the setting to the direction of keeping away from the grout pipe.

Through adopting above-mentioned technical scheme, insert the anchor rod downthehole that drills on the side slope through the direction cap, the tight hoop cramps steel strand wires on the grout pipe, make the anchor rod have the diameter of the position of tight hoop to be less than all the other positions, make the anchor rod can be better combine together with cement mortar, cement mortar fills up the back through the grout pipe with the drilling simultaneously, the anchor strut can insert and establish in cement mortar, the anchor rod can increase the cohesion of anchor rod and cement mortar, can reduce the anchor rod and appear not hard up possibility.

Optionally, one end of the reinforcing rod, which is far away from the hoop, is provided with a reinforcing plate.

Through adopting above-mentioned technical scheme, the gusset plate can increase the area of contact between anchor strut and the cement mortar, can make the anchor strut bury underground in cement mortar more firm, has further strengthened the steadiness of stock.

Optionally, one end of the reinforcing rod, which is far away from the clamping ring, extends along the self direction to form a movable rod, the movable rod is inserted into the reinforcing rod and slides along the length direction of the reinforcing rod to be arranged on the reinforcing rod, a spring is connected between the movable rod and the reinforcing rod, the reinforcing plate is arranged at one end of the movable rod, which is far away from the reinforcing rod, a fixing rope for pressing the reinforcing plate on the reinforcing rod is wound on one surface of the reinforcing plate, which is far away from the movable rod, and one end of the fixing rope is connected with the anchorage device.

Through adopting above-mentioned technical scheme, the gusset plate passes through the carriage release lever and slides and set up on the gusset plate, and fixed rope compresses tightly the gusset plate on the gusset plate, makes the spring be in compression state, avoids inserting the condition that leads to the stock can't insert in the drilling hole in the pore wall easily when pushing the stock into drilling, inserts the stock back in the drilling, through the fixed rope of pulling, makes fixed rope break away from the gusset plate, and the carriage release lever removes under the effect of spring, makes the gusset plate remove to the pore wall direction for the installation of stock is more convenient.

Optionally, one end of the anchor rod close to the guide cap is provided with a plurality of expansion pieces along the length direction of the anchor rod, the expansion pieces and the tightening rings are arranged in a staggered mode, the diameter of each expansion piece is larger than that of each positioning piece, and the position, located on each expansion piece, of each steel strand is bent to the direction far away from the grouting pipe and penetrates through the expansion pieces.

Through adopting above-mentioned technical scheme, the diameter ratio spacer of expansion ring is big, and the part that passes the expansion ring with the steel strand wires is to the direction of keeping away from the grout pipe setting of buckling for the stock outwards expands in the position of expansion piece, can increase the steadiness of stock in cement mortar.

Optionally, the expansion piece is provided with a plurality of grooves around the expansion piece, wherein the grooves are far away from the periphery of the grouting pipe.

Through adopting above-mentioned technical scheme, week side at the expansion piece sets up the recess, can increase the area of contact of expansion piece and cement mortar for the stock is more firm in the drilling.

Optionally, a protective pipe is sleeved on the position, far away from the hoop, of the steel strand.

Through adopting above-mentioned technical scheme, the protective tube can reduce the steel strand wires and appear the possibility of rustting damage for a long time, can also prevent that the condition that the tight hoop slided on the steel strand wires from appearing simultaneously.

Optionally, a fixing pipe is arranged at one end of the anchor close to the anchor rod, and the anchor rod penetrates through the fixing pipe.

Through adopting above-mentioned technical scheme, insert the anchor bolt in the drilling, fixed pipe can prevent to be close to the stock bending of ground tackle one end for the installation of anchor bolt is more convenient, and when pouring cement mortar simultaneously, fixed pipe can be buried underground in cement mortar, can increase the steadiness of anchor bolt installation.

Optionally, a plurality of fixing rods are arranged at one end of the anchorage device close to the fixing pipe along the length direction of the anchorage device, and the fixing rods vertically penetrate through the anchorage device.

Through adopting above-mentioned technical scheme, back in the stock inserted drilling, the dead lever is located the position that the drilling is close to the drill way, and cement mortar buries the dead lever underground downthehole after will drilling full, and the dead lever can increase the steadiness of ground tackle, has reduced the not hard up possibility of ground tackle appearance.

In summary, the present application includes at least one of the following advantages:

1. after the cement mortar fills the drilled hole through the grouting pipe, the reinforcing rod can be inserted into the cement mortar, the binding force of the anchor rod and the cement mortar can be increased through the reinforcing rod, and the possibility of loosening of the anchor rod can be reduced;

2. after the anchor rod is inserted into the drilled hole, the fixing rope is pulled to separate from the reinforcing plate, the moving rod moves under the action of the spring, and the reinforcing plate moves towards the hole wall, so that the anchor rod is more convenient to install.

Drawings

Fig. 1 is a schematic structural diagram of an anchor cable structure for highway slope protection according to an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an installation view of the reinforcement plate.

Description of reference numerals:

1. an anchorage device; 11. a fixed tube; 12. fixing the rod; 2. an anchor rod; 21. grouting pipes; 22. steel strand wires; 221. a protective tube; 23. a guide cap; 24. positioning plates; 25. tightening the hoop; 251. a reinforcing rod; 252. a reinforcing plate; 253. a travel bar; 254. a spring; 255. fixing a rope; 256. pulling a rope; 26. an expansion sheet; 261. and (4) a groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses anchor rope structure for highway side slope protection. Referring to fig. 1, an anchor rope structure for highway side slope protection includes ground tackle 1 and stock 2, and 1 cover of ground tackle is established in the one end of stock 2, and stock 2 includes a grout pipe 21 and seven steel strands 22, and seven steel strands 22 encircle grout pipe 21 and set up. Grout pipe 21 evenly overlaps along self length direction and is equipped with a plurality of circular shape spacers 24, and steel strand wires 22 pass spacers 24 and keep certain distance between with grout pipe 21, and anchor rod 2 is kept away from the one end of ground tackle 1 and is installed guide cap 23, and steel strand wires 22 insert and establish in guide cap 23 and with guide cap 23 fixed connection.

In order to reduce the possibility of looseness of the anchor 1 when the anchor 1 is installed in the hole, a plurality of fixing rods 12 are uniformly arranged at one end of the anchor 1 close to the anchor rod 2, the fixing rods 12 penetrate through the anchor 1 in the vertical direction, and two ends of each fixing rod 12 are positioned outside the anchor 1. The fixing rod 12 is buried in the hole after the drill hole is filled with cement mortar, the fixing rod 12 can increase the stability of the anchorage device 1, and the possibility of looseness of the anchorage device 1 is reduced.

In order to make 2 installations of stock more convenient, the one end that ground tackle 1 is close to stock 2 installs fixed pipe 11, the fixed pipe 11 use in this embodiment is the PVC pipe, stock 2 passes fixed pipe 11, when installation stock 2, fixed pipe 11 can prevent to be close to 2 bendings of the stock of 1 one end of ground tackle, make the installation of stock 2 more convenient, when pouring cement mortar simultaneously, fixed pipe 11 can be buried underground in cement mortar, can increase the steadiness of 2 installations of stock.

Referring to fig. 1 and 2, one end of the anchor rod 2 close to the guide cap 23 is uniformly provided with a plurality of tightening rings 25 along the length direction, the tightening rings 25 are sleeved on seven steel strands 22, the steel strands 22 are bent towards the grouting pipe 21, and the steel strands 22 are fixed on the grouting pipe 21, so that the diameter of the position of the anchor rod 2 with the tightening rings 25 is smaller than the rest positions, and the anchor rod 2 can be better combined with cement mortar.

In order to further with the steadiness of strong stock 2, the hoop 25 is kept away from evenly being provided with many anchor strut 251 on the week side of steel strand wires 22, anchor strut 251 extends the setting to the direction of keeping away from grout pipe 21, the one end that anchor strut 251 kept away from grout pipe 21 is fixed with gusset plate 252, cement mortar fills up the back with the drilling through grout pipe 21, anchor strut 251 can be buried underground in cement mortar, anchor strut 251 can increase the cohesion of stock 2 with cement mortar, gusset plate 252 can increase the area of contact between anchor strut 251 and the cement mortar, can reduce the not hard up possibility of stock 2 appearance, make anchor stock 2 bury underground in cement mortar more firmly.

Referring to fig. 2 and 3, when the anchor rod 2 is installed, the anchor rod 2 needs to be pushed into the hole, the reinforcing rod 251 can be in contact with the hole wall in the pushing process, the friction force generated when the anchor rod 2 moves can be increased, the anchor rod 2 is troublesome to install, in order to enable the anchor rod 2 to be more convenient to install, the movable rod 253 is inserted into one end, far away from the reinforcing rod 251, of the reinforcing rod 251 along the length direction of the movable rod 253 in an extending mode, and the reinforcing plate 252 is welded and fixed to one end, far away from the reinforcing rod 251, of the movable rod 253. The moving rod 253 is slidably provided in the reinforcing rod 251 along a longitudinal direction of the reinforcing rod 251, a spring 254 is installed in the reinforcing rod 251, and one end of the moving rod 253 inserted into the reinforcing rod 251 is connected to the spring 254. The fixing rope 255 is sleeved on the reinforcing plate 252 on the same hoop 25, the spring 254 is compressed by the fixing rope 255, the reinforcing plate 252 is pressed on the reinforcing rod 251, the fixing rope 255 is connected with a pull rope 256, and one end of the pull rope 256 is connected with the anchorage device 1.

The reinforcing plate 252 slides through the carriage release lever 253 and sets up on the reinforcing rod 251, the reinforcing plate 252 is compressed tightly on the reinforcing rod 251 to fixed rope 255, make the spring 254 be in compression state, avoid leading to the condition in the anchor rod 2 can't insert the drilling hole in inserting the anchor rod 2 in the pore wall easily when pushing into the drilling hole with anchor rod 2, insert the anchor rod 2 back in the drilling hole, through pulling stay cord 256, make fixed rope 255 break away from the reinforcing plate 252, the carriage release lever 253 removes under the effect of spring 254, make the reinforcing plate 252 remove to the pore wall direction, make the installation of anchor rod 2 more convenient.

Referring to fig. 2, in order to further enhance the installation stability of the anchor rod 2, a plurality of circular expansion pieces 26 are uniformly arranged at one end of the anchor rod 2 close to the guide cap 23, the expansion pieces 26 are staggered with the tightening rings 25, and the diameter of each expansion piece 26 is larger than that of each positioning piece 24. The grout pipe 21 and the steel strand 22 pass through the expansion piece 26, and the steel strand 22 is located the position of expansion piece 26 and is set up to the direction of keeping away from grout pipe 21 bending for the steel strand 22 outwards expands at the position of expansion piece 26, can increase the steadiness of stock 2 in cement mortar.

The circumferential sides of the expansion pieces 26 far away from the steel strands 22 are uniformly provided with a plurality of grooves 261, and the grooves 261 can increase the contact area of the expansion pieces 26 and cement mortar, so that the anchor rod 2 is more stable in a drilled hole.

In order to reduce the possibility that the steel strand 22 is buried in cement mortar for a long time and rusted and damaged, the steel strand 22 is sleeved with the protective pipe 221, the protective pipe 221 is a polyethylene plastic pipe used in the embodiment, the protective pipe 221 can protect the steel strand 22, and the possibility that the steel strand 22 is rusted and damaged can be reduced.

In order to prevent the tight hooping 25 from sliding on the steel strand 22, the steel strand 22 is not sleeved with the protective pipe 221 at the position of the tight hooping 25, the protective pipes 221 at two sides of the tight hooping 25 can limit the tight hooping 25, and the tight hooping 25 is prevented from sliding on the steel strand 22.

The implementation principle of the anchor cable structure for protecting the expressway side slope is as follows: the anchor rod 2 is inserted into the drilled hole, the fixing rope 255 on the reinforcing plate 252 is pulled to slide away from the reinforcing plate 252 by pulling the pull rope 256, the reinforcing plate 252 moves towards the direction of the hole wall under the action of the spring 254, cement mortar is poured into the hole through the grouting pipe 21, and the anchor rod 2 is buried in the hole by the cement mortar.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an anchor rope structure for highway side slope protection, includes ground tackle (1) and stock (2), its characterized in that: ground tackle (1) sets firmly in the one end of stock (2), stock (2) are including grout pipe (21) and many steel strand wires (22) that encircle grout pipe (21) and set up, the one end that stock (2) kept away from ground tackle (1) is equipped with direction cap (23), grout pipe (21) are equipped with a plurality of spacers (24) along self length direction cover, steel strand wires (22) pass spacer (24), the one end that stock (2) are close to direction cap (23) is equipped with a plurality of cramp rings (25) along self length direction, cramp ring (25) make steel strand wires (22) buckle and compress tightly on the pipe wall of grout pipe (21) to grout pipe (21), the outer loop of cramp ring (25) is equipped with many reinforcing rods (251) around self, reinforcing rod (251) extend the setting to the direction of keeping away from grout pipe (21).

2. The anchor cable structure for protecting the side slope of the expressway as claimed in claim 1, wherein: and a reinforcing plate (252) is arranged at one end of the reinforcing rod (251) far away from the tightening ring (25).

3. The anchor cable structure for protecting the highway slope according to claim 2, wherein: the reinforcing rod (251) is provided with a moving rod (253) in an extending mode along the self direction at one end, far away from the tightening hoop (25), of the reinforcing rod (251), the moving rod (253) is inserted into the reinforcing rod (251) and is arranged on the reinforcing rod (251) in a sliding mode along the length direction of the reinforcing rod (251), a spring (254) is connected between the moving rod (253) and the reinforcing rod (251), the reinforcing plate (252) is arranged at one end, far away from the reinforcing rod (251), of the moving rod (253), one face, far away from the moving rod (253), of the reinforcing plate (252) is wound with a fixing rope (255) used for pressing the reinforcing plate (252) on the reinforcing rod (251), and one end of the fixing rope (255) is connected with the anchorage device (1).

4. The anchor cable structure for protecting the side slope of the expressway as claimed in claim 1, wherein: one end that is close to direction cap (23) on stock (2) is equipped with a plurality of expansion pieces (26) along self length direction, expansion piece (26) and tight hoop (25) crisscross setting, the diameter of expansion piece (26) is greater than the diameter of spacer (24), position that steel strand wires (22) are located expansion piece (26) is buckled to the direction of keeping away from grout pipe (21) and is passed expansion piece (26).

5. The anchor cable structure for protecting the highway slope according to claim 4, wherein: the peripheral side of the expansion sheet (26) far away from the grouting pipe (21) is provided with a plurality of grooves (261) around the expansion sheet.

6. The anchor cable structure for protecting the side slope of the expressway as claimed in claim 1, wherein: and a protective pipe (221) is sleeved on the position, far away from the clamping ring (25), of the steel strand (22).

7. The anchor cable structure for protecting the side slope of the expressway as claimed in claim 1, wherein: one end of the anchor (1) close to the anchor rod (2) is provided with a fixing pipe (11), and the anchor rod (2) penetrates through the fixing pipe (11).

8. The anchor cable structure for protecting the side slope of the expressway as claimed in claim 7, wherein: one end of the anchorage device (1) close to the fixing pipe (11) is provided with a plurality of fixing rods (12) along the length direction of the anchorage device, and the fixing rods (12) vertically penetrate through the anchorage device (1).