CN210917349U

CN210917349U - Soil nail slip casting mouth leak protection device

Info

Publication number: CN210917349U
Application number: CN201921683786.6U
Authority: CN
Inventors: 陆健; 黄亮; 陆凤卫
Original assignee: Anhui Yonghao Construction Engineering Co ltd
Current assignee: Anhui Yonghao Construction Engineering Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-07-03
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a soil nail slip casting mouth leak protection device, which relates to the technical field of soil nails, and the technical proposal is characterized in that the device comprises a slip casting pipe and a communicating pipe, wherein the slip casting pipe is sleeved on the soil nail, a connecting mechanism is arranged between the slip casting pipe and the soil nail, and the connecting mechanism comprises an annular plate which is detachably connected with the outer side wall of the soil nail and a plurality of connecting blocks which are fixedly connected with the annular plate and are close to one side of the slip casting pipe; each connecting block is in threaded connection with an insert rod, a connecting pipe for inserting the insert rod is fixedly connected to the outer side wall of the grouting pipe corresponding to the insert rod, a ring is fixedly connected in the connecting pipe, a plurality of spring steel sheets are sequentially and fixedly connected to the inner circumferential surface of the ring along the circumferential direction of the ring, and a pushing assembly for driving the spring steel sheets to move is installed in the connecting pipe; one end of the grouting pipe is abutted against the annular plate, and a sealing ring is arranged between the annular plate and the grouting pipe. The utility model discloses a set up coupling mechanism, be convenient for dismantle the slip casting pipe to make the slip casting pipe can by used repeatedly, therefore can reduce cost.

Description

Soil nail slip casting mouth leak protection device

Technical Field

The utility model relates to a soil nail technical field, more specifically the saying so, it relates to a soil nail slip casting mouth leak protection device.

Background

The soil nail usually includes hollow body, locates anchor head on the body, ends thick liquid stopper, backing plate, nut etc. and seted up a plurality of through-holes on the body, arranges the body in dig the soil nail hole of establishing in the soil layer, and concrete slurry pours into from the slip casting mouth of soil nail to flow from the through-hole, fill whole soil nail hole, during the infiltration soil layer gap simultaneously, thereby the thick liquid solidifies to fix the soil nail in the soil layer, provides the anchor power for the wall body.

The prior art can refer to the chinese utility model patent that the grant bulletin number is CN206570803U, and it discloses a soil nail slip casting mouth leak protection device, the soil nail downward sloping sets up in the wall body, and this soil nail slip casting mouth leak protection device includes the slip casting pipe with soil nail coaxial coupling and locate slip casting pipe top and with the connecting pipe of slip casting pipe intercommunication, the transparent setting of connecting pipe, the slip casting mouth is located on the slip casting pipe.

However, since the connecting mechanism is not provided between the grouting pipe and the soil nail, the grouting pipe is inconvenient to detach after grouting is completed, so that the grouting pipe cannot be reused, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a soil nail slip casting mouth leak protection device, it is convenient for dismantle the slip casting pipe through setting up coupling mechanism to make the slip casting pipe can be by used repeatedly, therefore can reduce cost.

In order to achieve the above purpose, the utility model provides a following technical scheme: a soil nail slip casting mouth leak protection device comprises a slip casting pipe and a communicating pipe, wherein the slip casting pipe is sleeved on a soil nail, a connecting mechanism is arranged between the slip casting pipe and the soil nail, and the connecting mechanism comprises an annular plate detachably connected to the outer side wall of the soil nail and a plurality of connecting blocks fixedly connected to one side, close to the slip casting pipe, of the annular plate; each connecting block is in threaded connection with an insert rod, a connecting pipe for inserting the insert rod is fixedly connected to the outer side wall of the grouting pipe corresponding to the insert rod, a circular ring is fixedly connected in the connecting pipe, a plurality of spring steel sheets are fixedly connected to the inner circumferential surface of the circular ring along the circumferential direction of the circular ring in sequence, and a pushing assembly for driving the spring steel sheets to move is installed in the connecting pipe; one end of the grouting pipe is abutted to the annular plate, and a sealing ring is arranged between the annular plate and the grouting pipe.

By adopting the technical scheme, the annular plate is installed on the soil nail, the grouting pipe is abutted against the annular plate by moving the grouting pipe, then the spring steel sheet is abutted and pressed by the pushing assembly, the spring steel sheet is in a compressed state at the moment, the inserted rod passes through the spring steel sheet by rotating the inserted rod, then the pushing assembly is loosened, the pushing assembly is reset under the action of the spring steel sheet, and after the pushing assembly is reset, the spring steel sheet abuts and presses the inserted rod at the moment, so that the inserted rod can be fixed, and the grouting pipe can be installed on the soil nail; when the grouting pipe needs to be detached, the spring steel sheet is pressed through the pushing assembly, then the inserting rod is separated from the connecting pipe through rotating the inserting rod, and finally the grouting pipe is pulled out; to sum up, through setting up coupling mechanism, be convenient for dismantle the slip casting pipe to make the slip casting pipe can be used repeatedly, therefore can reduce cost.

The utility model discloses further set up to: the pushing assembly comprises a pressing ring, a transition pipe and a pushing pipe, wherein the transition pipe is communicated with one end, close to the connecting pipe, of the pressing ring, and the pushing pipe is communicated with one end, far away from the pressing ring, of the transition pipe; the pressing ring is arranged at one end of the connecting pipe which protrudes out of the grouting pipe; the pushing pipe slides in the connecting pipe along the axial direction of the connecting pipe.

Through adopting above-mentioned technical scheme, the manual push press ring removes, and press ring removes and drives the removal of ejector sleeve pipe, is convenient for support the pressure to the spring steel sheet like this.

The utility model discloses further set up to: the shape of the pushing pipe is in a circular truncated cone shape, and the section area of the pushing pipe is sequentially increased from one end close to the transition pipe to one end far away from the transition pipe.

Through adopting above-mentioned technical scheme, the promotion pipe sets up to the round platform form, is convenient for promote the motion of spring steel sheet.

The utility model discloses further set up to: the inner wall of the top end of the connecting pipe is fixedly connected with a limiting ring, and the transition pipe is connected to the inner cavity of the limiting ring in a sliding mode along the axial direction of the connecting pipe.

Through adopting above-mentioned technical scheme, through setting up the spacing ring, be convenient for carry on spacingly to pushing away pipe and pressing ring, therefore can reduce and promote the subassembly and take place the possibility of losing.

The utility model discloses further set up to: the pressing ring is arranged on the pressing ring, and the pressing ring is arranged on the pressing ring; a push rod is fixedly connected to one side of the push block close to the pressing ring; the rotating shaft is sleeved with a torsion spring, and two ends of the torsion spring are fixedly connected to the side wall of the pushing block and the side wall of the abdicating groove respectively; and a fixing part for fixing the rotating shaft is arranged on the side wall of the inserted rod.

By adopting the technical scheme, when the pressing ring needs to be pushed to move, the pushing block is rotated out of the abdicating groove, the pushing block rotates to drive the rotating shaft to rotate, the rotating shaft rotates to enable the torsion spring to be in a compressed state, and then the rotating shaft is fixed through the fixing piece; then, the push block is driven to move by rotating the insert rod, the push block drives the push rod to move, and the push rod moves to drive the pressing ring to move; after the spring steel sheet is abutted against the inserted link, the rotating shaft is loosened through the fixing piece, and the torsion spring drives the push block to reset at the moment, so that the pressing ring can reset conveniently; through setting up drive assembly, be convenient for drive pressing ring and remove to can reduce operating personnel's intensity of labour.

The utility model discloses further set up to: the fixing piece is a fastening bolt, the fastening bolt is in threaded connection with the outer side wall of the inserted bar, and one end of the fastening bolt abuts against one end of the rotating shaft.

Through adopting above-mentioned technical scheme, screw up fastening bolt alright fix the countershaft, easy operation, convenience like this.

The utility model discloses further set up to: the fixing assembly comprises a chute arranged in the annular plate, an abutting block connected to the chute in a sliding manner along the radial direction of the annular plate, and a screw rod rotationally connected to one side, far away from the soil nails, of the abutting block; an arc-shaped groove is formed in one side, close to the soil nail, of the abutting block, an arc-shaped rack is fixedly connected to one side, close to the soil nail, of the arc-shaped groove, and the rack can abut against the outer side wall of the soil nail; the screw rod is in threaded connection with the annular plate, and one end, far away from the abutting block, of the screw rod protrudes out of the outer peripheral surface of the annular plate.

Through adopting above-mentioned technical scheme, through rotating the screw rod drive butt piece and removing, the butt piece removes and drives the arc rack and remove to alright fix the annular plate, therefore be convenient for fix the annular plate to the lateral wall of soil nail.

The utility model discloses further set up to: and the outer side wall of the grouting pipe is in threaded connection with a plurality of force applying rods.

Through adopting above-mentioned technical scheme, rotate the slip casting pipe through rotating the application of force pole, be convenient for make slip casting pipe and soil nail separation, therefore can reduce operating personnel's intensity of labour.

To sum up, the utility model discloses compare and have following beneficial effect in prior art:

1. firstly, mounting the annular plate on the soil nail, then enabling the grouting pipe to be abutted against the annular plate by moving the grouting pipe, next abutting against the spring steel sheet by the pushing assembly, enabling the spring steel sheet to be in a compressed state at the moment, then enabling the inserted rod to pass through the spring steel sheet by rotating the inserted rod, then loosening the pushing assembly, enabling the pushing assembly to reset under the action of the spring steel sheet, and after the pushing assembly resets, abutting against the inserted rod by the spring steel sheet at the moment so as to fix the inserted rod, so that the grouting pipe can be mounted on the soil nail; when the grouting pipe needs to be detached, the spring steel sheet is pressed through the pushing assembly, then the inserting rod is separated from the connecting pipe through rotating the inserting rod, and finally the grouting pipe is pulled out; in conclusion, the connecting mechanism is arranged, so that the grouting pipe is convenient to disassemble, the grouting pipe can be repeatedly used, and the cost can be reduced;

2. when the pressing ring needs to be pushed to move, the pushing block is rotated out of the abdicating groove, the rotating shaft is driven to rotate by the rotation of the pushing block, the torsion spring is in a compressed state by the rotation of the rotating shaft, and then the rotating shaft is fixed through the fixing piece; then, the push block is driven to move by rotating the insert rod, the push block drives the push rod to move, and the push rod moves to drive the pressing ring to move; after the spring steel sheet is abutted against the inserted link, the rotating shaft is loosened through the fixing piece, and the torsion spring drives the push block to reset at the moment, so that the pressing ring can reset conveniently; the driving assembly is arranged, so that the pressing ring can be driven to move conveniently, and the labor intensity of operators can be reduced;

3. through rotating the screw rod drive butt piece and removing, the butt piece removes and drives the arc rack and remove to alright fix the annular plate, therefore be convenient for fix the annular plate to the lateral wall of soil nail.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is an exploded view of the highlighted seal ring in the example;

FIG. 3 is a partial cross-sectional view of the embodiment with the spring steel plate highlighted;

FIG. 4 is a partial cross-sectional view of a highlighted mounting assembly of an embodiment.

In the figure: 1. soil nailing; 2. a grouting pipe; 3. a communicating pipe; 4. a connecting mechanism; 41. an annular plate; 42. connecting blocks; 43. inserting a rod; 44. a connecting pipe; 45. a circular ring; 46. a spring steel sheet; 47. a seal ring; 48. a force application rod; 5. a pushing assembly; 51. pressing a ring; 52. a transition duct; 53. pushing the pipe; 54. a limiting ring; 6. a drive assembly; 61. a yielding groove; 62. a rotating shaft; 63. a push block; 64. a push rod; 65. a torsion spring; 66. fastening a bolt; 7. a fixing assembly; 71. a chute; 72. a butting block; 721. an arc-shaped slot; 73. a screw; 74. a rack.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): the utility model provides a soil nail slip casting mouth leak protection device, as shown in figure 1, includes slip casting pipe 2 and communicating pipe 3, and communicating pipe 3 is transparent plastic tubing, and slip casting pipe 2 cup joints in soil nail 1, is provided with coupling mechanism 4 between slip casting pipe 2 and the soil nail 1.

As shown in fig. 2 and 3, the connecting mechanism 4 comprises an annular plate 41 detachably connected to the outer side wall of the soil nail 1 and a plurality of connecting blocks 42 fixedly connected to one side of the annular plate 41 close to the grouting pipe 2; each connecting block 42 is in threaded connection with an inserting rod 43, a connecting pipe 44 for inserting the inserting rod 43 is fixedly connected to the outer side wall of the grouting pipe 2 corresponding to the inserting rod 43, a circular ring 45 is fixedly connected to the inside of the connecting pipe 44, a plurality of spring steel sheets 46 are sequentially and fixedly connected to the inner circumferential surface of the circular ring 45 along the circumferential direction of the circular ring, and a pushing assembly 5 for driving the spring steel sheets 46 to move is installed in the connecting pipe 44; one end of the grouting pipe 2 abuts against the annular plate 41, a sealing ring 47 is installed between the annular plate 41 and the grouting pipe 2, and slots for inserting the sealing ring 47 are respectively formed in opposite ends of the annular plate 41 and the grouting pipe 2; a plurality of force application rods 48 are screwed on the outer side wall of the grouting pipe 2. Firstly, the annular plate 41 is installed on the soil nail 1, then the grouting pipe 2 is abutted to the annular plate 41 by moving the grouting pipe 2, next, the spring steel sheet 46 is abutted to be pressed by the pushing assembly 5, at the moment, the spring steel sheet 46 is in a compressed state, then, the inserting rod 43 passes through the spring steel sheet 46 by rotating the inserting rod 43, then, the pushing assembly 5 is loosened, the pushing assembly 5 is reset under the action of the spring steel sheet 46, and after the pushing assembly 5 is reset, the spring steel sheet 46 abuts to be pressed on the inserting rod 43, so that the inserting rod 43 can be fixed, and thus, the grouting pipe 2 can be installed on the soil nail 1; when the grouting pipe 2 needs to be detached, the spring steel sheet 46 is pressed by the pushing assembly 5, then the inserting rod 43 is separated from the connecting pipe 44 by rotating the inserting rod 43, and finally the grouting pipe 2 is pulled out; in conclusion, by providing the connecting mechanism 4, it is convenient to disassemble the grouting pipe 2, so that the grouting pipe 2 can be reused, thereby reducing the cost.

The pushing assembly 5 comprises a pressing ring 51, a transition pipe 52 communicated with one end of the pressing ring 51 close to the connecting pipe 44 and a pushing pipe 53 communicated with one end of the transition pipe 52 far away from the pressing ring 51; the pressing ring 51 is arranged to protrude out of one end of the connecting pipe 44 away from the grouting pipe 2; the push pipe 53 slides in the connection pipe 44 in the axial direction of the connection pipe 44; the thrust pipe 53 has a circular truncated cone shape, and the cross-sectional area of the thrust pipe 53 increases from the end close to the transition pipe 52 to the end far from the transition pipe 52. The pressing ring 51 is pushed manually to move, and the pressing ring 51 moves to drive the pushing pipe 53 to move, so that the spring steel sheet 46 is pressed conveniently. The inner wall of the top end of the connecting tube 44 is fixedly connected with a limiting ring 54, and the transition tube 52 is slidably connected with the inner cavity of the limiting ring 54 along the axial direction of the connecting tube 44. By providing the limiting ring 54, the pushing tube 53 and the pressing ring 51 are easily limited, so that the possibility of losing the pushing assembly 5 can be reduced.

A plurality of groups of driving assemblies 6 for driving the pressing ring 51 to move are mounted on the inserting rod 43, and each group of driving assemblies 6 comprises a yielding groove 61 formed in one side of the inserting rod 43, a rotating shaft 62 rotatably connected to the yielding groove 61 and a pushing block 63 fixedly connected to the rotating shaft 62; a push rod 64 is fixedly connected to one side of the push block 63 close to the press ring 51; a torsion spring 65 is sleeved on the rotating shaft 62, and two ends of the torsion spring 65 are respectively and fixedly connected to the side wall of the pushing block 63 and the side wall of the abdicating groove 61; a fixing member for fixing the rotating shaft 62 is installed on the side wall of the insertion rod 43; the fixing member is a fastening bolt 66, the fastening bolt 66 is screwed to the outer side wall of the insert rod 43, and one end of the fastening bolt 66 abuts against one end of the rotating shaft 62. When the pressing ring 51 needs to be pushed to move, the pushing block 63 rotates out of the abdicating groove 61, the pushing block 63 rotates to drive the rotating shaft 62 to rotate, the rotating shaft 62 rotates to enable the torsion spring 65 to be in a compressed state, and then the rotating shaft 62 is fixed by screwing the fastening bolt 66; then, the push block 63 is driven to move by rotating the inserting rod 43, the push block 63 drives the push rod 64 to move, and the push rod 64 drives the pressing ring 51 to move; after the spring steel sheet 46 abuts against the inserted link 43, the rotating shaft 62 is loosened by loosening the fastening bolt 66, and at the moment, the torsion spring 65 drives the push block 63 to reset, so that the pressing ring 51 is convenient to reset; through setting up drive assembly 6, be convenient for drive according to ring 51 and remove to can reduce operating personnel's intensity of labour.

As shown in fig. 4, the annular plate 41 is provided with a fixing assembly 7 for fixing the fixing assembly 7 to the outer side wall of the soil nail 1, the fixing assembly 7 comprises a sliding groove 71 arranged in the annular plate 41, an abutting block 72 connected to the sliding groove 71 in a sliding manner along the radial direction of the annular plate 41, and a screw 73 rotatably connected to one side of the abutting block 72 far away from the soil nail 1; an arc-shaped groove 721 is formed in one side, close to the soil nail 1, of the abutting block 72, an arc-shaped rack 74 is fixedly connected to one side, close to the soil nail 1, of the arc-shaped groove 721, and the rack 74 can abut against the outer side wall of the soil nail 1; the screw 73 is screwed to the annular plate 41, and one end of the screw 73 remote from the abutment block 72 is disposed projecting from the outer peripheral surface of the annular plate 41. The abutting block 72 is driven to move by rotating the screw rod 73, and the abutting block 72 moves to drive the arc-shaped rack 74 to move, so that the annular plate 41 can be fixed, and the annular plate 41 can be fixed to the outer side wall of the soil nail 1 conveniently.

The working principle of the soil nail grouting opening leakage-proof device is as follows:

observing the state of the mortar through the communicating pipe 3, and taking down the grouting pipe 2 before the mortar is not dried; when the grouting pipe 2 needs to be detached, the pressing ring 51 is pushed manually to move, the pressing ring 51 moves to drive the pushing pipe 53 to move, the pushing pipe 53 moves to press the spring steel sheet 46, and then the inserting rod 43 is rotated out; when all the inserting rods 43 are rotated out, the grouting pipe 2 is pulled out by the force applying rod 48.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a soil nail slip casting mouth leak protection device, includes slip casting pipe (2) and communicating pipe (3), its characterized in that: the grouting pipe (2) is sleeved on the soil nail (1), a connecting mechanism (4) is arranged between the grouting pipe (2) and the soil nail (1), and the connecting mechanism (4) comprises an annular plate (41) detachably connected to the outer side wall of the soil nail (1) and a plurality of connecting blocks (42) fixedly connected to one side, close to the grouting pipe (2), of the annular plate (41); each connecting block (42) is in threaded connection with an insert rod (43), a connecting pipe (44) for inserting the insert rod (43) is fixedly connected to the outer side wall of the grouting pipe (2) corresponding to the insert rod (43), a circular ring (45) is fixedly connected to the inside of the connecting pipe (44), a plurality of spring steel sheets (46) are sequentially and fixedly connected to the inner circumferential surface of the circular ring (45) along the circumferential direction of the circular ring, and a pushing assembly (5) for driving the spring steel sheets (46) to move is installed in the connecting pipe (44); one end of the grouting pipe (2) is abutted to the annular plate (41), and a sealing ring (47) is installed between the annular plate (41) and the grouting pipe (2).

2. The soil nail slip casting mouth leak protection device of claim 1, characterized in that: the pushing assembly (5) comprises a pressing ring (51), a transition pipe (52) communicated with one end, close to the connecting pipe (44), of the pressing ring (51), and a pushing pipe (53) communicated with one end, far away from the pressing ring (51), of the transition pipe (52); the pressing ring (51) is arranged by protruding one end of the connecting pipe (44) far away from the grouting pipe (2); the pushing pipe (53) slides in the connecting pipe (44) along the axial direction of the connecting pipe (44).

3. The soil nail slip casting mouth leak protection device of claim 2, characterized in that: the pushing pipe (53) is in a truncated cone shape, and the cross-sectional area of the pushing pipe (53) is gradually increased from one end close to the transition pipe (52) to one end far away from the transition pipe (52).

4. The soil nail slip casting mouth leak protection device of claim 3, characterized in that: the inner wall of the top end of the connecting pipe (44) is fixedly connected with a limiting ring (54), and the transition pipe (52) is connected to the inner cavity of the limiting ring (54) in a sliding mode along the axial direction of the connecting pipe (44).

5. The soil nail slip casting mouth leak protection device of claim 2, characterized in that: a plurality of groups of driving assemblies (6) used for driving the pressing ring (51) to move are mounted on the inserting rod (43), and each group of driving assemblies (6) comprises a yielding groove (61) formed in one side of the inserting rod (43), a rotating shaft (62) rotatably connected to the yielding groove (61) and a pushing block (63) fixedly connected to the rotating shaft (62); a push rod (64) is fixedly connected to one side, close to the pressing ring (51), of the push block (63); the rotating shaft (62) is sleeved with a torsion spring (65), and two ends of the torsion spring (65) are fixedly connected to the side wall of the pushing block (63) and the side wall of the abdicating groove (61) respectively; and a fixing piece for fixing the rotating shaft (62) is arranged on the side wall of the inserted rod (43).

6. The soil nail slip casting mouth leak protection device of claim 5, characterized in that: the fixing piece is a fastening bolt (66), the fastening bolt (66) is connected to the outer side wall of the inserted rod (43) in a threaded mode, and one end of the fastening bolt (66) abuts against one end of the rotating shaft (62).

7. The soil nail slip casting mouth leak protection device of claim 1, characterized in that: the fixing assembly (7) used for fixing the fixing assembly to the outer side wall of the soil nail (1) is mounted on the annular plate (41), and the fixing assembly (7) comprises a sliding groove (71) formed in the annular plate (41), an abutting block (72) connected to the sliding groove (71) in a sliding mode along the radial direction of the annular plate (41) and a screw rod (73) connected to one side, far away from the soil nail (1), of the abutting block (72) in a rotating mode; an arc-shaped groove (721) is formed in one side, close to the soil nails (1), of the abutting block (72), an arc-shaped rack (74) is fixedly connected to one side, close to the soil nails (1), of the arc-shaped groove (721), and the rack (74) can abut against the outer side wall of the soil nails (1); the screw rod (73) is connected to the annular plate (41) in a threaded mode, and one end, far away from the abutting block (72), of the screw rod (73) protrudes out of the outer peripheral surface of the annular plate (41).

8. The soil nail slip casting mouth leak protection device of claim 1, characterized in that: the outer side wall of the grouting pipe (2) is in threaded connection with a plurality of force applying rods (48).