CN219366005U

CN219366005U - Tunnel grouting hole sealing device

Info

Publication number: CN219366005U
Application number: CN202320819976.6U
Authority: CN
Inventors: 王志刚; 王红秀; 张宏
Original assignee: Sichuan Construction Engineering Co ltd
Current assignee: Sichuan Construction Engineering Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-07-18
Anticipated expiration: 2033-04-13

Abstract

The utility model discloses a tunnel grouting hole sealing device, which comprises a penetrating pipe inserted in a grouting hole, wherein a stud is inserted in the penetrating pipe, one end of the penetrating pipe is provided with a cannula, one end of the cannula is provided with a soft pipe, one end of the soft pipe is provided with an inclined guide groove, one end of the stud is connected with a compression ball, the compression ball is inserted into the inclined guide groove, a ring-wrapping fixing mechanism for fixing the penetrating pipe into the depth of the grouting hole is arranged on the penetrating pipe, and one end of the stud penetrating out of the penetrating pipe is in threaded connection with a spinning sleeve. The spin sleeve is rotated forward to enable the stud to move rightwards, so that the compression ball is driven to be inserted into the soft pipe rightwards, the outer wall of the soft ring is enabled to compress the inner wall of the grouting hole under the action of the insertion of the compression ball into the soft pipe, the sealing performance of the sealing device on the grouting hole is guaranteed, and through the arrangement of the bag body, slurry can be prevented from entering the soft pipe to influence the matching resistance of the inner wall of the soft pipe and the compression ball, so that the sealing device can be used for sealing grouting holes effectively.

Description

Tunnel grouting hole sealing device

Technical Field

The utility model belongs to the technical field of tunnel construction, and particularly relates to a tunnel grouting hole sealing device.

Background

In some karst areas, tunnel water burst is more common, brings adverse effect to tunnel construction, in order to avoid the appearance of this kind of condition, need set up the slip casting hole in tunnel wall, pour into the shutoff thick liquid into in tunnel wall and the tunnel wall gap through the slip casting hole, treat that shutoff thick liquid solidifies the back, can block in the soil water infiltration tunnel.

The authorized bulletin number is: the utility model patent of CN205805578U, disclose a kind of water injection hole sealing device used in tunnel engineering gushing, involve by hole sealing tube, expansion bag, joint make up, the expansion bag is fixed on hole sealing tube by the fixed steel ring; the hole sealing pipe body is provided with a slurry guide pipe, a one-way rubber valve is arranged at the joint of the hole sealing pipe body and the expansion bag, and the slurry guide pipe is connected with the one-way rubber valve. The hole sealing device is used as a single whole, and threads are arranged at the two ends of the hole sealing pipe body, so that the hole sealing pipe body is convenient to connect and seal with a grouting machine and a joint, and the problem of slurry leakage is avoided; and a gasket is arranged at the joint of the grouting pipe and the joint, so that the grouting pipe has the effect of preventing leakage. When grouting, the hole sealing pipe body is filled with slurry, but the position of the joint is provided with a foil and a one-way pressure valve to block the flow direction of the slurry, the slurry pipe in the hole sealing pipe body is connected with a one-way rubber valve, the slurry flows to an expansion bag, the expansion bag rapidly expands, and when the slurry pressure reaches a certain degree, the foil can be broken through, and the slurry enters the joint through the pressure valve to perform grouting. Thus, the expansion bag expands to form the slurry returning which can bear higher pressure, and the problem of slurry leakage can not occur.

However, in the operation process of sealing by secondary grouting, the slurry needs to pass through the one-way rubber valve, and because sand exists in the slurry, in this case, sand is easy to remain in the inner cavity of the one-way rubber valve, and when the valve core of the one-way rubber valve returns to a position, the one-way sealing performance of the one-way rubber valve is greatly reduced due to the influence of the sand, and the slurry in the expansion bag is easier to flow back and return, so that the sealing performance of the one-way rubber valve and the inner wall of the grouting hole is reduced, and therefore, a sealing device capable of sealing grouting holes more effectively is needed.

Disclosure of Invention

The utility model aims to provide a tunnel grouting hole sealing device, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tunnel slip casting hole sealing device, includes the poling that alternates in the slip casting downthehole, it has the double-screw bolt to alternate in the poling, the one end of poling is provided with intubate and intubate one end is provided with soft pipe and soft pipe's one end is provided with the guide slot to one side, the one end of double-screw bolt is connected with the hold-down ball and the hold-down ball inserts in the guide slot to one side, be provided with on the poling and fixedly penetrate the ring package fixed establishment of slip casting hole degree of depth to the poling, the one end spiro union that the double-screw bolt worn out the poling has the spinning cover.

Preferably, the outer wall of the soft pipe is transversely and uniformly provided with an anti-slip convex ring.

Preferably, one end of the soft tube is provided with a bag body which is sleeved on the compression ball.

Preferably, the ring package fixing mechanism comprises two mutually-attached compression rings, the compression rings are sleeved on the perforating pipe, soft sheets are arranged on the perforating pipe and are tightly pressed on the grouting holes, and the perforating pipe is provided with a convex slot which is inserted into the compression rings and is inserted into the convex slot which is arranged in the compression rings.

Preferably, spinning rods for rotating the spinning sleeve are uniformly arranged on the spinning sleeve in the circumferential direction.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the screw bolt moves rightwards by the forward spinning sleeve, so that the pressing ball is driven to insert rightwards into the soft pipe, the outer wall of the soft ring presses the inner wall of the grouting hole under the action of the insertion of the pressing ball into the soft pipe, the sealing performance of the sealing device on the grouting hole is ensured, and the slurry can be prevented from entering the soft pipe to influence the matching resistance of the inner wall of the soft pipe and the pressing ball by the arrangement of the bag body, so that the grouting hole sealing can be effectively realized.

Drawings

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is a schematic view in partial cutaway of FIG. 1;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: 1 penetrating pipe, 2 studs, 3 insertion pipes, 4 soft pipes, 5 anti-slip convex rings, 6 compaction balls, 7 bag bodies 8 inclined guide grooves, 9 compression rings, 10 soft sheets, 11 inserted protrusions, 12 spinning sleeves and 13 spinning rods.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1, 2 and 3, the embodiment of the utility model provides a sealing device for grouting and sealing a tunnel, which comprises a penetrating pipe 1 penetrating into a grouting hole, wherein a stud 2 is penetrated in the penetrating pipe 1 in a sliding manner, a cannula 3 is integrally arranged at the left end of the penetrating pipe 1, a soft pipe 4 is bonded at the left end of the cannula 3 by adopting resin adhesive, the soft pipe 4 is made of neoprene, an anti-slip convex ring 5 is transversely and uniformly arranged on the outer wall of the soft pipe 4, and the anti-slip convex ring 5 is arranged to enhance the matching resistance between the soft pipe 4 and the inner wall of the grouting hole.

Embodiment one:

referring to fig. 1, 2 and 3, the left end of the flexible pipe 4 is bonded with a bag body 7 by adopting resin adhesive, the bag body 7 is sleeved on the compression ball 6, the arrangement of the bag body 7 can prevent slurry from entering the flexible pipe 4 to influence the matching resistance of the inner wall of the flexible pipe 4 and the compression ball 6, one end of the flexible pipe 4 is provided with an inclined guide groove 8, the compression ball 6 is welded at the left end of the stud 2 and inserted into the inclined guide groove 8, the inclined guide groove 8 is arranged to facilitate the compression ball 6 to squeeze into the flexible pipe 4, the stud 2 penetrates through the right end of the penetrating pipe 1 and is screwed with a spinning sleeve 12, a rotary rod 13 for rotating the spinning sleeve 12 is uniformly welded on the spinning sleeve 12 in a circumferential direction, and the stud 2 moves rightward through the forward spinning sleeve 12, so that the compression ball 6 is driven to be inserted into the flexible pipe 4 to the right side.

Embodiment two:

referring to fig. 1 and 2, a ring fixing mechanism for fixing the penetration depth of a grouting hole into the penetration pipe 1 is arranged on the penetration pipe 1, the ring fixing mechanism comprises two mutually-attached compression rings 9, the compression rings 9 are sleeved on the penetration pipe 1, the outer wall of the penetration pipe 1 is bonded with a soft sheet 10 by resin adhesive, the soft sheet 10 is tightly pressed on the grouting hole, the soft sheet 10 is made of neoprene, an inserting protrusion 11 is integrally arranged on the penetration pipe 1, the inserting protrusion 11 is slidably inserted into a convex groove arranged in the compression rings 9, the soft sheet 10 is used for limiting the matching resistance of the compression rings 9 and the grouting hole after the compression rings 9 are driven into the grouting hole, and the penetration pipe 1 is limited to transversely move in the grouting hole by matching the inserting protrusion 11 with the convex groove due to the fixed position of the compression rings 9.

The working principle of this embodiment is as follows: when grouting through the grouting holes is completed, firstly wrapping a wood stick with cotton cloth, inserting the wood stick into the grouting holes, firstly cleaning the inner walls of the grouting holes, and then preparing the sealing device;

when the grouting device is used, the compression ring 9 is sleeved on the through pipe 1, the insertion protrusion 11 is inserted into the protruding groove, the compression ball 6 and the soft pipe 4 are inserted into the grouting hole, then the compression ring 9 is knocked by a hammer until the right side of the compression ring 9 is tightly attached to a tunnel, the spinning sleeve 12 is rotated forward, the stud 2 is enabled to move rightwards, the compression ball 6 is driven to be inserted into the soft pipe 4 rightwards, the outer wall of the soft ring 4 is enabled to compress the inner wall of the grouting hole under the action of the insertion of the compression ball 6 into the soft pipe 4, the sealing performance of the sealing device on the grouting hole is guaranteed, and through the arrangement of the bag body 7, slurry can be prevented from entering the soft pipe 4 to influence the matching resistance of the inner wall of the soft pipe 4 and the compression ball 6, so that the grouting hole can be sealed effectively.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model.

Claims

1. The utility model provides a tunnel slip casting hole sealing device which characterized in that: including interlude poling (1) in the slip casting hole, interlude has double-screw bolt (2) in poling (1), the one end of poling (1) is provided with intubate (3) and the one end of intubate (3) is provided with hose (4) and the one end of hose (4) is provided with oblique guide slot (8), the one end of double-screw bolt (2) is connected with compact ball (6) and compact ball (6) inserts in oblique guide slot (8), be provided with on poling (1) to the fixed ring package fixed establishment who penetrates slip casting hole degree of depth of poling (1), the one end spiro union that poling (1) were worn out to double-screw bolt (2) has spinning cover (12).

2. The tunnel grouting sealing device according to claim 1, wherein: the outer wall of the soft pipe (4) is transversely and uniformly provided with an anti-slip convex ring (5).

3. The tunnel grouting sealing device according to claim 1, wherein: one end of the soft tube (4) is provided with a bag body (7), and the bag body (7) is sleeved on the compression ball (6).

4. The tunnel grouting sealing device according to claim 1, wherein: the ring package fixing mechanism comprises two mutually-attached compression rings (9), the compression rings (9) are sleeved on the perforating pipe (1), soft sheets (10) are arranged on the perforating pipe (1), the soft sheets (10) are tightly pressed on grouting holes, and inserting protrusions (11) are arranged on the perforating pipe (1) and inserted into protruding grooves formed in the compression rings (9).

5. The tunnel grouting sealing device according to claim 1, wherein: the spinning sleeve (12) is provided with spinning rods (13) for rotating the spinning sleeve (12) in a circumferential direction.