CN211258637U

CN211258637U - Infiltration slip casting integrated rod suitable for shield tunnel

Info

Publication number: CN211258637U
Application number: CN201922419194.XU
Authority: CN
Inventors: 闫明慧; 魏笑笑
Original assignee: Guangzhou Yushen Building Waterproof Engineering Co ltd
Current assignee: Guangzhou Yushen Building Waterproof Engineering Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-14
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to the technical field of civil engineering equipment, and discloses a seepage grouting integrated rod suitable for a shield tunnel, which comprises a grouting drainage device and a drill bit, wherein the grouting drainage device is positioned at the right end of the drill bit, the grouting drainage device is provided with a grouting device, an expansion extrusion device and a seepage drainage device, the grouting device comprises a first outer pipe, a first inner pipe and a grouting connecting pipe, the surface of the first outer pipe is provided with a grout discharging hole, the surface of the first inner pipe is fixedly connected with the grouting connecting pipe, the grouting connecting pipe is fixedly connected with the grout discharging hole on the surface of the first outer pipe at the opening at one end far away from the first inner pipe, the expansion extrusion device comprises a second inner pipe, a first expansion rubber and a second outer pipe, the left side surface of the second inner pipe is fixedly connected with the right side surface of the first inner pipe, the problem that the existing grouting anchor rod can only complete grouting work mostly is solved, and the water discharging work, the inner wall of the tunnel is unstable, and the hidden trouble of tunnel collapse can be caused.

Description

Infiltration slip casting integrated rod suitable for shield tunnel

Technical Field

The utility model relates to a civil engineering equipment technical field specifically is a infiltration slip casting integrating bar suitable for shield tunnel.

Background

The underground traffic of modern society has the advantages of high transportation efficiency, large carrying capacity and the like, and becomes an effective way for relieving traffic transportation pressure and accelerating regional economic construction.

However, most of the existing grouting anchor rods can only complete grouting work, and cannot drain soil in and around the drill holes, so that the inner wall of the tunnel is unstable, and the hidden danger of tunnel collapse can be caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a infiltration slip casting integrated rod suitable for shield tunnel possesses can be with advantages such as water discharge and reinforcing apparatus in the drilling with soil connection, has solved current slip casting stock and can only accomplish slip casting work mostly, can't carry out drainage work to soil in the drilling and around the drilling, makes the tunnel inner wall unstable, may cause the problem of the hidden danger of tunnel collapsing.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a penetration grouting integrated rod suitable for a shield tunnel comprises a grouting drainage device and a drill bit, wherein the grouting drainage device is positioned at the right end of the drill bit;

a grouting device is arranged at the left end of the grouting drainage device;

an expansion extrusion device is arranged at the middle section of the grouting drainage device;

and a permeable drainage device is arranged at the right end of the grouting drainage device.

The grouting device comprises a first outer pipe, a first inner pipe and a grouting connecting pipe, a grout discharging hole is formed in the surface of the first outer pipe, the grouting connecting pipe is fixedly connected to the surface of the first inner pipe, and the grouting connecting pipe is fixedly connected to the grout discharging hole in the surface of the first outer pipe at one end, away from the first inner pipe, of the opening of the grouting connecting pipe

Preferably, the expansion extrusion device comprises a second inner tube, a first expansion rubber and a second outer tube, the left side surface of the second inner tube is fixedly connected with the right side surface of the first inner tube, the middle section of the circumferential surface of the second inner tube is fixedly sleeved with the first expansion rubber, the outer ring surface of the first expansion rubber is fixedly connected with the second outer tube, and the surface of the second outer tube is provided with a first water inlet hole.

Preferably, the permeation drainage device comprises a third outer pipe, second expansion rubber and a third inner pipe, the left side surface of the third inner pipe is fixedly connected with the right side surface of the second inner pipe, a through hole is formed in the center of the left side surface of the third outer pipe and penetrates through the third inner pipe, a second water inlet hole is formed in the circumferential surface of the third outer pipe, and the second expansion rubber is fixedly sleeved on the right end of the circumferential surface of the third outer pipe.

Preferably, the right side surface of the third outer tube is fixedly connected with a baffle, the center and the lower end of the left and right side surfaces of the baffle are respectively provided with a pulp inlet hole and a water drain hole, and the right end of the third inner tube penetrates through and is fixedly connected with the inner wall of the pulp inlet hole.

(III) advantageous effects

Compared with the prior art, the utility model provides a infiltration slip casting integrating rod suitable for shield tunnel possesses following beneficial effect:

1. the penetration grouting integrated rod suitable for the shield tunnel is characterized in that a drill hole is formed by drilling the whole device into soil through a drill bit, slurry is injected into the device through the slurry inlet hole, the slurry sequentially passes through the slurry inlet hole, the third inner pipe, the second inner pipe, the first inner pipe, the grouting connecting pipe and the slurry discharge hole, enters the drill hole and diffuses and consolidates the soil into the soil, moisture in the soil enters the second outer pipe through the first water inlet hole and contacts with the first expansion rubber, the first expansion rubber has the characteristic of water absorption expansion, the first expansion rubber gradually expands to expand the second outer pipe into four parts, the second outer pipe extrudes the surrounding soil, the slurry in the soil around the drill hole is pushed to the direction of the slurry inlet hole by matching with the slurry discharge hole, the moisture flows into the third outer pipe through the second water inlet hole, the third right end of the outer pipe is sleeved with the second expansion rubber, the drill hole is blocked by water expansion, and, the drain pipe is equipped with on the right side of wash port, and moisture flows into drain pipe drainage drilling through the wash port in following the third outer tube, accomplishes drainage work, has solved current slip casting stock and can only accomplish slip casting work mostly, can't carry out drainage work to soil around the drilling in and around the drilling, makes the tunnel inner wall unstable, may cause the problem of the hidden danger of tunnel collapse.

2. This infiltration slip casting integrated rod suitable for shield tunnel through setting up first inflation rubber, second outer tube and first inlet opening, when the device carries out drainage work, the inflation of first inflation rubber struts the extrusion with the second outer tube and blocks into in soil, has consolidated soil and whole device be connected, prevents not hard up.

Drawings

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

FIG. 2 is an explosion diagram of the structure of the present invention

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

In the figure: the grouting drainage device comprises a grouting drainage device 1, a grouting device 10, a first outer pipe 101, a grout outlet 102, a first inner pipe 103, a grouting connecting pipe 104, a second inner pipe 105, first expansion rubber 106, a second outer pipe 107, a first water inlet 108, a third outer pipe 109, a second water inlet 110, second expansion rubber 111, a third inner pipe 112, a drill bit 2, a baffle 3, a water outlet 4, a grout inlet 5, an expansion extrusion device 6 and a seepage drainage device 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a penetration grouting integrated rod suitable for a shield tunnel comprises a grouting drainage device 1 and a drill bit 2, wherein the grouting drainage device 1 is positioned at the right end of the drill bit 2;

the left end of the grouting drainage device 1 is provided with a grouting device 10;

an expansion extrusion device 6 is arranged at the middle section of the grouting drainage device 1;

the right end of the grouting drainage device 1 is provided with a seepage drainage device 7.

The grouting device 10 comprises a first outer pipe 101, a first inner pipe 103 and a grouting connecting pipe 104, a grout discharging hole 102 is formed in the surface of the first outer pipe 101, the surface of the first inner pipe 103 is fixedly connected with the grouting connecting pipe 104, the grouting connecting pipe 104 is fixedly connected to the grout discharging hole 102 in the surface of the first outer pipe 101 at the opening of one end far away from the first inner pipe 103, the expansion extrusion device 6 comprises a second inner pipe 105, a first expansion rubber 106 and a second outer pipe 107, the left side surface of the second inner pipe 105 is fixedly connected with the right side surface of the first inner pipe 103, the middle section of the circumferential surface of the second inner pipe 105 is fixedly sleeved with the first expansion rubber 106, the outer ring surface of the first expansion rubber 106 is fixedly connected with the second outer pipe 107, the surface of the second outer pipe 107 is provided with a first water inlet 108, the osmotic drainage device 7 comprises a third outer pipe 109, a second expansion rubber 111 and a third inner pipe 112, the left side surface of the third inner pipe 112 is fixedly connected, the through-hole has been seted up and the third inner tube 112 of fixed connection has been run through to the left surface center department of third outer tube 109, second inlet opening 110 has been seted up on the circumference surface of third outer tube 109, the fixed second inflation rubber 111 that cup joints in the circumference surface right end of third outer tube 109, the right side fixedly connected with baffle 3 of third outer tube 109, the side center department has seted up into thick liquid hole 5 and wash port 419 respectively with the lower extreme about baffle 3, the right-hand member of third inner tube 112 runs through fixed connection and advances the 5 inner walls in thick liquid hole, the slip casting work can only be accomplished to having solved current slip casting stock mostly, can't carry out drainage work to soil in the drilling and around the drilling, make the tunnel inner wall unstable, the problem of the hidden danger of tunnel collapsing.

When the device is used, the whole device is drilled into soil through a drill bit 2 to form a drill hole, slurry is injected into the device through a slurry inlet hole 5, the slurry enters the drill hole through the slurry inlet hole 5, a third inner pipe 112, a second inner pipe 105, a first inner pipe 103, a grouting connecting pipe 104 and a slurry discharge hole 102 in sequence to diffuse and reinforce the soil into the soil, moisture in the soil enters a second outer pipe 107 through a first water inlet hole 108 to contact with a first expansion rubber 106, the first expansion rubber 106 has the characteristic of water absorption expansion, the first expansion rubber 106 gradually expands to prop the second outer pipe 107 into four parts, the second outer pipe 107 extrudes the surrounding soil, the slurry is discharged from the slurry discharge hole 102 to push the moisture in the soil around the drill hole in the direction of the slurry inlet hole 5, the moisture flows into the third outer pipe 109 through a second water inlet hole 110, the right end of the third outer pipe 109 is sleeved with a second expansion rubber 111 to expand when encountering water to block the drill hole, prevent that moisture from spilling, the drain pipe is equipped with on the right side of wash port 419, moisture flows into drain pipe discharge drilling through wash port 419 in the third outer tube 109, accomplish drainage work, it can only accomplish grouting work mostly to have solved current slip casting stock, can't carry out drainage work to soil around in the drilling and the drilling, make the tunnel inner wall unstable, can cause the problem of the hidden danger of tunnel collapse, through setting up first inflation rubber 106, second outer tube 107 and first inlet opening 108, when the device carries out drainage work, the inflation of first inflation rubber 106 struts the extrusion and blocks into in the soil with the second outer tube 107, soil and the connection of whole device has been consolidated, prevent to become flexible.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a infiltration slip casting integrated rod suitable for shield tunnel, includes slip casting drainage device (1) and drill bit (2), its characterized in that: the grouting drainage device (1) is positioned at the right end of the drill bit (2);

a grouting device (10) is arranged at the left end of the grouting drainage device (1);

an expansion extrusion device (6) is arranged in the middle section of the grouting drainage device (1);

and a permeable drainage device (7) is arranged at the right end of the grouting drainage device (1).

2. The permeable grouting integrated rod suitable for the shield tunnel according to claim 1, characterized in that: the grouting device (10) comprises a first outer pipe (101), a first inner pipe (103) and a grouting connecting pipe (104), wherein a grout discharging hole (102) is formed in the surface of the first outer pipe (101), the grouting connecting pipe (104) is fixedly connected to the surface of the first inner pipe (103), and the grouting connecting pipe (104) is fixedly connected to the grout discharging hole (102) in the surface of the first outer pipe (101) at the position of one end opening far away from the first inner pipe (103).

3. The permeable grouting integrated rod suitable for the shield tunnel according to claim 1, characterized in that: the expansion extrusion device (6) comprises a second inner pipe (105), first expansion rubber (106) and a second outer pipe (107), the right side face of the first inner pipe (103) is fixedly connected to the left side face of the second inner pipe (105), the first expansion rubber (106) is fixedly sleeved on the middle section of the circumferential surface of the second inner pipe (105), the second outer pipe (107) is fixedly connected to the surface of the outer ring of the first expansion rubber (106), and a first water inlet hole (108) is formed in the surface of the second outer pipe (107).

4. The permeable grouting integrated rod suitable for the shield tunnel according to claim 1, characterized in that: infiltration drainage device (7) include third outer tube (109), second inflation rubber (111) and third inner tube (112), the right flank of left surface fixed connection second inner tube (105) of third inner tube (112), the through-hole has been seted up and has run through fixed connection third inner tube (112) in left flank center department of third outer tube (109), second inlet opening (110) have been seted up on the circumferential surface of third outer tube (109), the fixed second inflation rubber (111) that cup joints in the circumferential surface right side of third outer tube (109).

5. The permeable grouting integrated rod suitable for the shield tunnel according to claim 4, characterized in that: the right side face of the third outer pipe (109) is fixedly connected with a baffle (3), and the center and the lower end of the left side face and the right side face of the baffle (3) are respectively provided with a pulp inlet hole (5) and a water drain hole (419).

6. The permeable grouting integrated rod suitable for the shield tunnel according to claim 5, characterized in that: the right end of the third inner pipe (112) penetrates through and is fixedly connected with the inner wall of the pulp inlet hole (5).