CN218813680U - Combined grouting anchor head - Google Patents

Abstract

The utility model discloses a modular slip casting anchor head relates to engineering construction technical field, including the cavity stock, the surface threaded connection of cavity stock has the connecting pipe, the bottom fixedly connected with anchor head body of connecting pipe, the fixed cover of surface fixedly connected with of connecting pipe, the surface of fixed cover articulates through the round pin axle has two supporting shoes, the inner wall threaded connection of fixed cover has two threaded rods, two threaded rods all with cavity stock threaded connection, the equal fixedly connected with fixed block of one end that two threaded rods kept away from each other, the inner wall of two fixed blocks all rotates and is connected with the connecting block. The utility model discloses a mutually supporting between cavity stock, connecting pipe, anchor head body, fixed cover, supporting shoe, threaded rod, fixed block and the connecting block can carry out effective fixation when consolidating the side slope in the drilling hole, avoids cavity stock to the slope of both sides in the hole in the in-service use process, has improved the reinforcement effect of this combination formula slip casting anchor head to the side slope.

Description

Combined grouting anchor head

Technical Field

The utility model relates to an engineering construction technical field specifically is a modular slip casting anchor head.

Background

The grouting anchor head and the anchor rod are needed in the engineering construction process, grouting is carried out through the pressure of the hollow anchor rod in the grouting anchor rod, the purposes of solidifying broken rock bodies, improving rock bodies, isolating underground water and preventing corrosion of rod bodies can be achieved, a good supporting effect can be achieved, soil bodies are very loose in the slope supporting engineering, most of the soil bodies belong to sandy soil with high water content, cohesive soil with high plasticity and loose sandy soil containing saturated water, once the soil bodies cannot be anchored quickly, the broken state and the mechanical property of the slope rock bodies are changed easily, the stability and the integrity of the slope are reduced, and the grouting supporting of the anchor rod and the anchor head combination is an important form of engineering supporting.

The existing bulletin numbers are: CN205778968U, which is a patent that a hollow anchor rod, a connecting rod, an anchor head, a backing plate, a fastening nut, a grout stop plug, an exhaust pipe, a plug and a grout outlet are matched with each other, so that the structure is simple, the connection is tighter, the plug is not easy to fall off, the use is more convenient and flexible, and no additional auxiliary connection equipment is needed, the device is suitable for grouting the inclined part of an arch part or an anchor hole, but the device is directly fixed in a drilled hole to reinforce the slope, and in the actual use process, the device cannot be effectively fixed and is easy to incline to two sides in the hole, thereby affecting the reinforcement effect; therefore, the combined grouting anchor head solves the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modular slip casting anchor head in order to remedy the not enough of prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a modular slip casting anchor head, includes the cavity stock, the surface threaded connection of cavity stock has the connecting pipe, the bottom fixedly connected with anchor head body of connecting pipe, the surface fixedly connected with fixed cover of connecting pipe, the surface of fixed cover articulates through the round pin axle has two supporting shoes, the inner wall threaded connection of fixed cover has two threaded rods, two the threaded rod all with cavity stock threaded connection, two the equal fixedly connected with fixed block of one end that the threaded rod was kept away from each other, two the inner wall of fixed block all rotates and is connected with the connecting block, two the connecting block is articulated mutually with two supporting shoes respectively through the round pin axle.

Furthermore, the bottom surface of anchor head body fixedly connected with three carbide pieces, the surface fixed connection of connecting pipe has three group's friction blocks.

Furthermore, three second liquid outlet holes are formed in the outer surface of the connecting pipe, and four groups of first liquid outlet holes are formed in the outer surface of the hollow anchor rod.

Furthermore, the outer surface of the hollow anchor rod is connected with a grout stop plug in a sliding mode, and the outer surface of the hollow anchor rod is connected with a base plate in a sliding mode.

Furthermore, the outer surface cover of cavity stock is equipped with the backing ring, the backing plate contacts with the backing ring.

Furthermore, the outer surface screw thread of cavity stock has the set screw, backing ring and set screw contact.

Further, the external fixed surface intercommunication of cavity stock has two feed liquor connectors, two feed liquor pipe is all installed to the inner wall of feed liquor connector.

Compared with the prior art, the combined grouting anchor head has the following beneficial effects:

1. the utility model discloses a mutually supporting between cavity stock, connecting pipe, anchor head body, fixed cover, supporting shoe, threaded rod, fixed block and the connecting block can carry out effective fixation when consolidating the side slope in the drilling hole, avoids cavity stock to the slope of both sides in the hole in the in-service use process, has improved the reinforcement effect of this combination formula slip casting anchor head to the side slope.

2. The utility model discloses a set up the carbide piece, can be better when drilling the side slope carry out the breakage to the rock, reduce anchor head body wearing and tearing, increase of service life, through setting up the clutch blocks, can increase the frictional force of connecting pipe and thick liquid, prevent roll-off in slip casting in-process connecting pipe follow drilling hole, strengthen the anchor effect of side slope, go out liquid hole through setting up first liquid hole and second, can be more quick slip casting that carries out, improve slip casting efficiency, only fill in through setting up, can prevent when the slip casting that the thick liquid flows out, through setting up the backing plate, backing ring and fixed screw, carry out spacing fixed to only filling in.

Drawings

FIG. 1 is a schematic front view of the three-dimensional structure of the present invention;

FIG. 2 is a right-side view of the three-dimensional structure of the present invention;

FIG. 3 is a sectional view of the three-dimensional structure of the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1. a hollow anchor rod; 2. a connecting pipe; 3. an anchor head body; 4. fixing a sleeve; 5. a supporting block; 6. a threaded rod; 7. a fixed block; 8. connecting blocks; 9. a hard alloy block; 10. a friction block; 11. a first liquid outlet hole; 12. a grout stopping plug; 13. a base plate; 14. a backing ring; 15. a fixing screw; 16. a liquid inlet connector; 17. a liquid inlet pipe; 18. and a second liquid outlet hole.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

This embodiment provides a modular slip casting anchor head, and the device can carry out effective fixation when consolidating the side slope in the drilling hole, avoids cavity stock 1 to both sides slope in the hole in the in-service use process, has improved the reinforcing effect of this modular slip casting anchor head to the side slope.

Referring to fig. 1 to 4, a combined grouting anchor head comprises a hollow anchor rod 1, wherein the outer surface of the hollow anchor rod 1 is in threaded connection with a connecting pipe 2, and the bottom end of the connecting pipe 2 is fixedly connected with an anchor head body 3.

Here cavity stock 1 surface is seted up threadedly, and the inner wall of connecting pipe 2 is seted up threadedly, and with 1 surface screw thread looks adaptation of cavity stock, rotate cavity stock 1 and can be in the same place with connecting pipe 2 combination is fixed, and connecting pipe 2 carries out the fixed stay to anchor head body 3.

The outer surface of the connecting pipe 2 is fixedly connected with a fixed sleeve 4, and the outer surface of the fixed sleeve 4 is hinged with two supporting blocks 5 through a pin shaft.

Here, the connecting pipe 2 is used for fixedly supporting the fixing sleeve 4, and the fixing sleeve 4 is used for limiting and supporting the supporting block 5 through a pin shaft.

The inner wall threaded connection of fixed cover 4 has two threaded rods 6, and two threaded rods 6 all with 1 threaded connection of cavity stock, the equal fixedly connected with fixed block 7 of one end that two threaded rods 6 kept away from each other.

Here two fixed blocks 7 are rotated, which can drive two threaded rods 6 to rotate in the inner walls of the hollow anchor rod 1 and the fixed sleeve 4.

The inner walls of the two fixing blocks 7 are rotatably connected with connecting blocks 8, and the two connecting blocks 8 are respectively hinged with the two supporting blocks 5 through pin shafts.

Here two fixed blocks 7 rotate and drive two threaded rods 6 and keep away from each other, make two fixed blocks 7 drive two connecting blocks 8 and keep away from each other, expand two supporting shoes 5 gradually, support cavity stock 1, avoid cavity stock 1 to the slope of hole interior both sides in the in-service use process, improve the reinforcement effect of this combination formula slip casting anchor head to the side slope.

The bottom surface of anchor head body 3 is fixedly connected with three carbide pieces 9, and the surface of connecting pipe 2 is fixedly connected with three sets of clutch blocks 10.

Here anchor head body 3 carries out fixed stay to carbide piece 9, through setting up carbide piece 9, can be when drilling the slope better carry out the breakage to the rock, reduce anchor head body 3 wearing and tearing, increase of service life.

Connecting pipe 2 carries out the fixed stay to clutch blocks 10, and every group clutch blocks 10 divide into five, through setting up clutch blocks 10, can increase the frictional force of connecting pipe 2 and thick liquid, prevents connecting pipe 2 roll-off in following the drilling hole at the slip casting in-process, strengthens the anchor effect of side slope.

The outer surface of the connecting pipe 2 is provided with three second liquid outlet holes 18, and the outer surface of the hollow anchor rod 1 is provided with four groups of first liquid outlet holes 11.

Here set up first play liquid hole 11 and second play liquid hole 18, the first liquid hole 11 of every group includes three hole, and the slip casting of carrying on that can be faster improves slip casting efficiency.

The outer surface of the hollow anchor rod 1 is connected with a grout stop plug 12 in a sliding mode, and the outer surface of the hollow anchor rod 1 is connected with a backing plate 13 in a sliding mode.

Here, by providing the grout stopper 12, the grout can be prevented from flowing out during grouting, and the backing plate 13 performs limit support on the grout stopper 12.

The outer surface cover of cavity stock 1 is equipped with backing ring 14, and backing plate 13 contacts with backing ring 14, and the surface threaded connection of cavity stock 1 has set screw 15, and backing ring 14 contacts with set screw 15.

Backing ring 14 and set screw 15 carry on spacingly to backing plate 13 here, and then carry on spacingly fixed to ending thick liquid stopper 12, prevent at slip casting in-process thick liquid outflow, and then influence the anchor effect to the side slope.

The fixed intercommunication in surface of cavity stock 1 has two feed liquor connectors 16, and feed liquor pipe 17 is all installed to the inner wall of two feed liquor connectors 16.

Here cavity stock 1 carries out the fixed stay to feed liquor connector 16, and feed liquor pipe 17 and 16 joints of feed liquor connector are in the same place, dismantles from feed liquor connector 16 when not slip casting, and the thick liquid is followed two feed liquor pipes 17 and is poured into cavity stock 1 simultaneously, realizes the quick injection of thick liquid, improves slip casting efficiency.

The working principle is as follows: when the combined grouting anchor head is used, after the hollow anchor rod 1 is in threaded connection with the connecting pipe 2, a rotating force is applied to the hollow anchor rod 1 through the motor, drilling is completed in a side slope needing grouting anchoring through the anchor head body 3, after the drilling is completed, the two fixing blocks 7 are rotated to drive the two threaded rods 6 to be away from each other, the two fixing blocks 7 drive the two connecting blocks 8 to be away from each other, the two supporting blocks 5 are gradually unfolded and clamped into a drilled hole to support the hollow anchor rod 1, the fixing screw 15 is screwed, the backing ring 14 is driven to move, the backing plate 13 is further driven to limit the grout stop plug 12, the drilled hole is sealed, and then grouting is performed, the thick liquid from two feed liquor pipes 17 through 16 simultaneous injection cavity stock 1 of two feed liquor connectors, the thick liquid flows out from second play liquid hole 18 and first play liquid hole 11, fill up inside the drilling hole, end thick liquid stopper 12 and prevent the thick liquid and flow, after the thick liquid solidifies, clutch blocks 10 is in the same place with the thick liquid is glutinous, prevents connecting pipe 2 roll-off from organizing the hole, realizes fixing cavity stock 1, and then realizes the anchor to the side slope, the utility model discloses when can consolidate the side slope in the drilling hole, effectively fix, avoid cavity stock 1 to the slope of hole in-service use process both sides, improved the reinforcing effect of this combination formula slip casting anchor head to the side slope.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a modular slip casting anchor head, includes cavity stock (1), its characterized in that: the utility model discloses a hollow anchor rod, including cavity stock (1), the surface threaded connection of cavity stock (1) has connecting pipe (2), the bottom fixedly connected with anchor head body (3) of connecting pipe (2), the fixed cover (4) of surface fixedly connected with of connecting pipe (2), the surface of fixed cover (4) articulates through the round pin axle has two supporting shoes (5), the inner wall threaded connection of fixed cover (4) has two threaded rods (6), two threaded rod (6) all with cavity stock (1) threaded connection, two the equal fixedly connected with fixed block (7) of one end that threaded rod (6) kept away from each other, two the inner wall of fixed block (7) all rotates and is connected with connecting block (8), two connecting block (8) are articulated mutually with two supporting shoes (5) respectively through the round pin axle.

2. A modular slip casting anchor head according to claim 1, wherein: the bottom surface of anchor head body (3) fixedly connected with three carbide piece (9), the surface fixed connection of connecting pipe (2) has three group's friction blocks (10).

3. A modular slip casting anchor head according to claim 2, wherein: three second liquid outlet holes (18) are formed in the outer surface of the connecting pipe (2), and four groups of first liquid outlet holes (11) are formed in the outer surface of the hollow anchor rod (1).

4. A modular slip casting anchor head according to claim 3, wherein: the outer surface of the hollow anchor rod (1) is connected with a grout stop plug (12) in a sliding mode, and the outer surface of the hollow anchor rod (1) is connected with a base plate (13) in a sliding mode.

5. A modular grouting anchor head according to claim 4, wherein: the outer surface cover of cavity stock (1) is equipped with backing ring (14), backing plate (13) and backing ring (14) contact.

6. A modular grouting anchor head according to claim 5, wherein: the outer surface threaded connection of cavity stock (1) has set screw (15), backing ring (14) and set screw (15) contact.

7. A modular slip casting anchor head according to claim 6, wherein: the external fixed surface intercommunication of cavity stock (1) has two feed liquor connectors (16), two feed liquor pipe (17) are all installed to the inner wall of feed liquor connector (16).

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