CN210660127U

CN210660127U - Grouting device for tunnel construction

Info

Publication number: CN210660127U
Application number: CN201921212801.9U
Authority: CN
Inventors: 翁玉峰; 冯佳庆; 王晓明; 余萌
Original assignee: CCCC Tunnel Engineering Co Ltd
Current assignee: CCCC Tunnel Engineering Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-06-02
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a slip casting device for tunnel construction, including slip casting stock, nut, layer board and only thick liquid stopper, the outer wall of slip casting stock is seted up threadedly, and the nut passes through threaded connection in the middle part of slip casting stock, and the layer board all pegs graft in the middle part of slip casting stock with only thick liquid stopper, the inner wall of slip casting stock one end bonds and has the rubber circle, and the inside of rubber circle is pegged graft and is had the slip casting pipe, the outer wall circumference welding of slip casting pipe one end has two stoppers, and two stoppers are in the bilateral symmetry distribution of rubber circle. The utility model discloses after the slip casting, can outwards drag the slip casting pipe, drag the in-process, stopper extrusion rubber circle makes the rubber circle produce deformation to extract the slip casting pipe, the recycle that the slip casting of being convenient for connects reduces construction cost, and the thickness in the rubber circle outside is greater than inboard thickness, and the passing through of the stopper of being convenient for, baffle and rubber circle carry out the centre gripping to the stopper, prevent that the slip casting from connecting and appearing rocking, avoid the mortar to leak.

Description

Grouting device for tunnel construction

Technical Field

The utility model relates to a tunnel construction technical field especially relates to a slip casting device for tunnel construction.

Background

At present, a tunnel is a building constructed underground or underwater or in a mountain, and a railway is laid or a road is constructed for a motor vehicle to pass through. The tunnel can be divided into three categories of mountain tunnels, underwater tunnels and urban tunnels according to the positions of the tunnels. A tunnel traversing from a mountain or under a hill to shorten the distance and avoid a large slope is called a mountain tunnel; underwater tunnels passing under a river or sea floor to cross a river or channel; urban tunnels are used to cross underground cities to meet the needs of railways to pass through large cities.

The grouting device can be used during tunnel construction to consolidate the inner wall structure in tunnel, and its mainly used instrument is the slip casting stock, is connected with grouting equipment through the joint of slip casting stock, and then realizes the slip casting, and the current slip casting stock is not convenient for recycle with grouting equipment's connector, has increased tunnel engineering's construction cost, needs urgently to design a slip casting device for tunnel construction and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a grouting device for tunnel construction.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a slip casting device for tunnel construction, includes slip casting stock, nut, layer board and only fills in, the screw thread has been seted up to the outer wall of slip casting stock, and the nut passes through threaded connection in the middle part of slip casting stock, and the layer board all pegs graft in the middle part of slip casting stock with only filling in, the inner wall of slip casting stock one end bonds and has the rubber circle, and pegs graft in the inside of rubber circle and have the slip casting pipe, the outer wall circumference welding of slip casting pipe one end has two stoppers, and two stoppers are in the bilateral symmetry distribution of rubber circle, the one end fixedly connected with slip casting of slip casting pipe connects.

As a further aspect of the present invention: the inner wall welding of slip casting stock one end has the baffle, and the jack has been seted up at the middle part of baffle, and the one end of slip casting pipe is pegged graft in the inside of jack, and one side of baffle contacts with adjacent stopper.

As a further aspect of the present invention: the thickness of the outer side of the rubber ring is larger than that of the inner side of the rubber ring.

As a further aspect of the present invention: the one end of slip casting stock has cup jointed the rubber head, and the slip casting mouth has all been seted up to the both sides of rubber head.

As a further aspect of the present invention: the nut and the grout stopping plug are respectively positioned at two sides of the supporting plate, and the grout stopping plug is adhered to one side of the supporting plate.

As a further aspect of the present invention: two reinforcing thorns are symmetrically welded on one side, close to the grout stopping plug, of the supporting plate, and two inverted teeth are arranged on two sides of each reinforcing thorn.

As a further aspect of the present invention: and two protective sleeves are sleeved outside the reinforcing thorns.

The utility model has the advantages that:

1. by arranging the limiting block, the rubber ring and the baffle, the grouting pipe can be pulled outwards after grouting is finished, the limiting block extrudes the rubber ring to deform the rubber ring in the pulling process, so that the grouting pipe is pulled out, the grouting joint is convenient to recycle, the construction cost is reduced, the thickness of the outer side of the rubber ring is larger than that of the inner side of the rubber ring, the limiting block can conveniently pass through, and the baffle and the rubber ring clamp the limiting block to prevent the grouting joint from shaking and avoid mortar leakage;

2. by arranging the reinforcing thorns and the inverted teeth, the reinforcing thorns are inserted into the inner wall of the tunnel in the process that the supporting plate is close to the rock wall, the supporting effect of the supporting plate is further optimized, and the inverted teeth enable the reinforcing thorns to be more stably connected with the inner wall of the tunnel;

3. through setting up the protective sheath, the protective sheath is in the outside of consolidating the thorn, removes the protective sheath again during the use, avoids causing the accidental injury to constructor in handling.

Drawings

Fig. 1 is a partial sectional view of a grouting apparatus for tunnel construction proposed in embodiment 1;

fig. 2 is a schematic structural view of a grouting pipe of the grouting device for tunnel construction provided in embodiment 1;

fig. 3 is a partial sectional view of a grouting apparatus for tunnel construction according to embodiment 2;

fig. 4 is a schematic structural diagram of a protective sheath of the grouting device for tunnel construction in embodiment 2.

In the figure: the grouting device comprises a grouting joint 1, a grouting pipe 2, a limiting block 3, a rubber ring 4, a jack 5, a baffle 6, a nut 7, a supporting plate 8, a pawl 9, a reinforcing thorn 10, a grout stop plug 11, a grouting anchor rod 12, a rubber head 13 and a protective sleeve 14.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a grouting device for tunnel construction, comprising a grouting anchor rod 12, a nut 7, a supporting plate 8 and a grout stop plug 11, wherein the outer wall of the grouting anchor rod 12 is provided with threads, the nut 7 is connected with the middle part of the grouting anchor rod 12 through threads, the supporting plate 8 and the grout stop plug 11 are both inserted into the middle part of the grouting anchor rod 12, the inner wall of one end of the grouting anchor rod 12 is bonded with a rubber ring 4, a grouting pipe 2 is inserted into the rubber ring 4, two limiting blocks 3 are welded on the circumference of the outer wall of one end of the grouting pipe 2 and symmetrically distributed on two sides of the rubber ring 4, one end of the grouting pipe 2 is fixedly connected with a grouting joint 1, the grouting joint 1 is connected with grouting equipment, the grouting anchor rod 12 is inserted into the inner wall of a tunnel, grouting is performed into the grouting anchor rod 12 through the grouting pipe 2, after grouting, the grouting pipe 2 can be pulled outwards, and the limiting blocks 3 extrude the rubber ring 4, the rubber ring 4 is deformed, so that the grouting pipe 2 is pulled out, the grouting joint 1 is convenient to recycle, and the construction cost is reduced.

Wherein, the inner wall welding of 12 one ends of slip casting stock has baffle 6, and the middle part of baffle 6 has seted up jack 5, and the one end of slip casting pipe 2 is pegged graft in the inside of jack 5, and one side of baffle 6 contacts with adjacent stopper 3, and baffle 6 and rubber circle 4 carry out the centre gripping to stopper 3, prevent that slip casting from connecting 1 and appearing rocking, avoid the mortar to leak.

Wherein, the thickness in the rubber circle 4 outside is greater than the inboard thickness, is convenient for stopper 3's the passing through.

Wherein, the rubber head 13 has been cup jointed to the one end of slip casting stock 12, and the slip casting mouth has all been seted up to the both sides of rubber head 13, through the outside mortar of discharging of slip casting mouth.

Wherein, nut 7 and end thick liquid stopper 11 are located the both sides of layer board 8 respectively, and end thick liquid stopper 11 and bond in one side of layer board 8, twist nut 7, push out layer board 8 to the tunnel inner wall, consolidate support to slip casting stock 12, end thick liquid stopper 11 and prevent that the mortar from spilling.

Wherein, the one side symmetric welding that layer board 8 is close to only thick liquid stopper 11 has two to consolidate thorn 10, and the both sides of just consolidating thorn 10 all are provided with two pawl 9, and layer board 8 is close to the in-process of cliff, consolidates thorn 10 and inserts the tunnel inner wall, further optimizes layer board 8's supporting effect, and pawl 9 makes to consolidate thorn 10 and tunnel inner wall connection more firm.

The working principle is as follows: the grouting joint 1 is connected with grouting equipment, a grouting anchor rod 12 is inserted into the inner wall of a tunnel, a nut 7 is screwed, a supporting plate 8 is pushed out towards the inner wall of the tunnel, the grouting anchor rod 12 is reinforced and supported, a grout stop plug 11 prevents mortar from leaking, in the process that the supporting plate 8 is close to the rock wall, a reinforcing spine 10 is inserted into the inner wall of the tunnel, the supporting effect of the supporting plate 8 is further optimized, the reinforcing spine 10 is more stably connected with the inner wall of the tunnel through a pawl 9, grouting is performed into the grouting anchor rod 12 through a grouting pipe 2, the mortar is discharged outside through a grouting opening, a baffle 6 and a rubber ring 4 clamp the limiting block 3, the grouting joint 1 is prevented from shaking, the mortar is prevented from leaking, after grouting is finished, the grouting pipe 2 can be pulled outwards, in the pulling process, the rubber ring 4 is extruded by the limiting block 3, so that the rubber ring 4 is deformed, the grouting pipe 2 is pulled out, and the recycling of the, reduce construction cost, the thickness in the rubber circle 4 outside is greater than inboard thickness, the passing through of stopper 3 of being convenient for.

Example 2

Referring to fig. 3 to 4, in the grouting device for tunnel construction, in this embodiment, compared with embodiment 1, protective sleeves 14 are sleeved on the outer portions of two reinforcing spines 10.

The working principle is as follows: the protective sleeve 14 is sleeved outside the reinforcing thorn 10, and the protective sleeve 14 is removed when the reinforcing thorn is used, so that accidental injury to constructors in the carrying process is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a slip casting device for tunnel construction, includes slip casting stock (12), nut (7), layer board (8) and only fills in (11), the outer wall of slip casting stock (12) is seted up threadedly, and nut (7) are through threaded connection in the middle part of slip casting stock (12), and layer board (8) and only fill in (11) all peg graft in the middle part of slip casting stock (12), its characterized in that, the inner wall of slip casting stock (12) one end bonds and has rubber circle (4), and pegs graft in the inside of rubber circle (4) and have slip casting pipe (2), the outer wall circumference welding of slip casting pipe (2) one end has two stopper (3), and two stopper (3) both sides symmetric distribution in rubber circle (4), the one end fixedly connected with slip casting of slip casting pipe (2) connects (1).

2. The grouting device for tunnel construction according to claim 1, wherein a baffle (6) is welded to the inner wall of one end of the grouting anchor rod (12), a jack (5) is formed in the middle of the baffle (6), one end of the grouting pipe (2) is inserted into the jack (5), and one side of the baffle (6) is in contact with the adjacent limiting block (3).

3. The grouting device for tunnel construction according to any one of claims 1-2, characterised in that the thickness of the rubber ring (4) is greater on the outside than on the inside.

4. The grouting device for tunnel construction according to claim 1, wherein a rubber head (13) is sleeved at one end of the grouting anchor rod (12), and grouting ports are formed in both sides of the rubber head (13).

5. The grouting device for tunnel construction according to claim 1, characterized in that the nut (7) and the grout stop plug (11) are respectively positioned at two sides of the supporting plate (8), and the grout stop plug (11) is adhered to one side of the supporting plate (8).

6. The grouting device for tunnel construction according to claim 5, characterized in that two reinforcing thorns (10) are symmetrically welded on one side of the supporting plate (8) close to the grout stop plug (11), and two inverted teeth (9) are arranged on two sides of each reinforcing thorn (10).

7. The grouting device for tunnel construction according to claim 6, characterized in that a protective sleeve (14) is sleeved on the outside of both the reinforcing stabs (10).