CN213392088U

CN213392088U - A drill way closure for slip casting structure

Info

Publication number: CN213392088U
Application number: CN202021855526.5U
Authority: CN
Inventors: 刘德安; 林三国; 汤宇; 彭学军; 阳军生; 梁雄; 彭雨杨; 张聪; 谢亦朋; 龚方浩
Original assignee: First Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
Current assignee: First Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-08
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a drill way closure for slip casting structure, including can the cover establish in slip casting structure well pipe canopy pipe outside seal the pipe box, the one end that seals the pipe box have be arranged in inserting slip casting structure between drill way sleeve pipe and the pipe canopy pipe and with drill way sleeve pipe sealing connection's connecting portion, seal the pipe box and still be equipped with and be used for sealing the sealed subassembly in clearance between pipe box and the pipe canopy pipe. The utility model discloses an drill way sealer for slip casting structure has the hole sealing and only starches advantages such as reliable, simple structure, simple operation, circulated use.

Description

A drill way closure for slip casting structure

Technical Field

The utility model belongs to geotechnical engineering basic processing slip casting field especially relates to a drill way closure for slip casting structure.

Background

In the natural world, the underground engineering construction is carried out in the areas, a certain pre-reinforcement measure is needed to ensure the smooth construction, wherein the pipe shed grouting method has the characteristics of high support rigidity, strong bearing capacity and the like, and is widely applied. The grouting structure of pipe canopy slip casting includes drill way sleeve pipe and pipe canopy pipe, and pipe canopy pipe adopts the pipe canopy steel pipe more, and at pipe canopy slip casting in-process, because drill way sleeve pipe diameter is greater than pipe canopy steel pipe diameter, need carry out the shutoff to the clearance between the two before the slip casting to reach the purpose of shutoff backward flow thick liquid. At present, cement mortar is mostly adopted for simple plugging in construction sites, the problems of slurry backflow and leakage, inter-hole slurry stringing and the like often occur in the plugging mode, mortar at an orifice needs to be waited for solidification, and the construction time is prolonged.

Therefore, designing an orifice sealer for a grouting structure to achieve the purposes of sealing holes, stopping grout reliably, preventing backflow and leakage of grout and saving construction time has become a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a hole sealing ware that is used for slip casting structure that the hole sealing is only starched reliably, simple structure, simple operation, circulated use.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a drill way closure for slip casting structure, includes that can the cover establishes the sealing pipe box in slip casting structure pipe canopy pipe outside, the one end of sealing pipe box has the grafting portion that is arranged in inserting between slip casting structure drill way sleeve pipe and the pipe canopy pipe and with drill way sleeve pipe sealing connection, the sealing pipe box still is equipped with and is used for sealing up the seal assembly in the clearance between pipe box and the pipe canopy pipe. The wear-resisting grout stop ring can block grout, prevent the phenomena of grout backflow leakage, inter-hole grout stringing and the like, and the orifice sealer is convenient and quick to use, does not need to wait for the solidification of orifice mortar, and saves construction time.

In the above orifice sealer for grouting structure, preferably, the sealing assembly includes an annular wear-resistant grout stop ring, and the wear-resistant grout stop ring is made of flexible material. The wear-resistant grout stopping ring can be tightly attached to the outer wall of the pipe shed pipe, and grout stopping is reliable.

Foretell an orifice sealer for slip casting structure, it is preferred, wear-resisting thick liquid circle of ending is installed with the detachable mode seal in the pipe box, make wear-resisting thick liquid circle of ending change that can be convenient fast, do benefit to the stability that improves orifice sealer work.

In the above orifice sealer for grouting structure, preferably, the inner wall of the sealing pipe sleeve is provided with an annular grout isolation steel gasket for placing the wear-resistant grout stopping ring. The wear-resistant slurry stop ring is convenient to replace.

In the orifice closer for a grouting structure, preferably, the inner diameter of the wear-resistant grout stop ring is consistent with the inner diameter of the annular grout isolation steel gasket. The wear-resistant grout stopping ring can tightly hold the outer wall of the pipe shed, and grout stopping is reliable.

In the above orifice sealer for grouting structure, preferably, a gland is arranged at one end of the sealing pipe sleeve far away from the insertion part, the gland is in threaded connection with the sealing pipe sleeve, and the gland and the annular grout isolating steel gasket can extrude the flexible wear-resistant grout stopping ring so that the wear-resistant grout stopping ring expands and deforms. The gland is screwed, the gland joint extrudes the wear-resistant grout stopping ring, the wear-resistant grout stopping ring is subjected to expansion deformation under the extrusion action, the gap between the sealing pipe sleeve and the pipe shed pipe is plugged, and the grout stopping effect is improved.

In the above orifice sealer for grouting structure, preferably, the gland is provided with a grouting pipe joint. The grouting pipe joint can be directly connected with the grouting pipe without temporarily welding the grouting pipe joint on site, so that the site construction is more convenient and the work efficiency is improved.

In the above orifice sealer for a grouting structure, preferably, a pair of ear-shaped handles is symmetrically arranged on both sides of the outer wall of the sealing pipe sleeve. The sealing pipe sleeve is more convenient and faster to carry, assemble and disassemble.

Foretell a drill way closure for slip casting structure, it is preferred, seal the pipe sleeve and be equipped with out the thick liquid pipe, it avoids wear-resisting grout ring setting to go out the thick liquid pipe, it can open and seal the end cap of play thick liquid pipe to be equipped with on the play thick liquid pipe, the end cap is connected with play thick liquid pipe screw thread. The consistency of the slurry is observed through the slurry outlet pipe, the grouting condition is mastered, and the engineering quality is favorably improved.

In the above orifice sealer for a grouting structure, preferably, the sealing sleeve is screwed with the orifice sleeve through a connecting part. The orifice sealer is simple and quick to assemble and disassemble, and can be disassembled after grouting of the pipe shed is finished and injected slurry is stably solidified, so that the orifice sealer can be used in next engineering to achieve the purpose of recycling.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a drill way obturator for slip casting structure, it seals the pipe box cover and establishes outside the pipe canopy pipe in the slip casting structure, with the end cladding that stretches out of pipe canopy pipe in sealing the pipe box inboard. Meanwhile, the sealing pipe sleeve is connected with the orifice sleeve, so that the pipe shed pipe and the slurry are sealed, and the slurry is prevented from leaking from the port of the pipe shed pipe and the port of the orifice sleeve. The sealing assembly separates the grouting port from the grout outlet and prevents the grout from leaking from the grout outlet, thereby preventing the backflow and leakage of the grout and preventing the grout from being mixed between the grouting port and the grout outlet. The utility model discloses an observing outflow thick liquids, mastering grout slurry state, consequently can ensure grouting quality, the utility model discloses still having grouting stability height, be convenient for construction and dismouting, advantages such as raise the efficiency, cyclic recovery utilize.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for helping the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. The skilled person in the art can, under the teaching of the present invention, choose various possible shapes and proportional dimensions to implement the invention according to the specific situation.

Fig. 1 is a front view of the orifice sealer.

Fig. 2 is a front sectional view of the orifice stopper in the axial direction.

Fig. 3 is a side sectional view of the orifice sealer in the axial direction.

Figure 4 is a top view of the gland.

Fig. 5 is a hole sealing schematic diagram of the orifice sealer used in the pipe shed grouting process.

Illustration of the drawings:

1. a gland; 11. grouting pipe joints; 2. sealing the pipe sleeve; 23. an ear-shaped handle; 25. an annular mortar isolation steel pad; 3. a wear-resistant grout stop ring; 4. a pulp outlet pipe; 41. a plug; 5. an orifice sleeve; 6. and (4) pipe shed pipes.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

As shown in fig. 1 to 5, the orifice sealer for a grouting structure of the present embodiment includes a sealing pipe sleeve 2 capable of being sleeved outside a pipe shed pipe 6 in the grouting structure, one end of the sealing pipe sleeve 2 has a connection portion for being inserted between the orifice pipe 5 and the pipe shed pipe 6 in the grouting structure and being hermetically connected with the orifice pipe 5, and the sealing pipe sleeve 2 is further provided with a sealing assembly for sealing a gap between the sealing pipe sleeve 2 and the pipe shed pipe 6. In this embodiment, the diameter of the orifice casing 5 is 180mm, the diameter of the pipe shed pipe 6 is 159mm, and the pipe shed pipe 6 is a pipe shed steel pipe. The sealing pipe sleeve 2 is a circular tubular shell, the outer diameter of the cross section of the shell is 180mm, the wall thickness of the shell is 10mm, the inner wall of the upper portion of the shell is provided with an inner sealing pipe sleeve wire 21, the length of the inner sealing pipe sleeve wire is 20mm, and the outer wall of the lower portion of the shell is provided with an outer sealing pipe sleeve wire, and the length of the outer sealing pipe. The orifice sleeve 5 is connected with the sealing sleeve 2 through the sealing sleeve outer thread. The sealing pipe sleeve 2 is sleeved outside the pipe shed pipe 6 in the grouting structure, and the extending end of the pipe shed pipe 6 is coated on the inner side of the sealing pipe sleeve 2. Meanwhile, the sealing pipe sleeve 2 is connected with the orifice sleeve 5 to seal the pipe shed pipe 6 and the slurry, so that the slurry is prevented from leaking from the port of the pipe shed pipe 6 and the port of the orifice sleeve 5. The sealing assembly separates the grouting port from the grout outlet and prevents the grout from leaking from the grout outlet, thereby preventing the backflow and leakage of the grout and preventing the grout from being mixed between the grouting port and the grout outlet. The orifice sealer for the grouting structure further has the advantages of being convenient and fast to use, free of waiting for solidification of orifice mortar and saving construction time.

In this embodiment, the seal assembly includes an annular wear-resistant slurry stop ring 3, and the wear-resistant slurry stop ring 3 is made of a flexible material. Annular wear-resisting thick liquid circle 3 suit is on pipe canopy pipe 6 to through extrusion wear-resisting thick liquid circle 3 of ending, utilize the wear-resisting flexible deformable effect that ends thick liquid circle 3, reduce wear-resisting thick liquid circle 3 and pipe canopy pipe 6 joint clearance of ending, hold pipe canopy pipe 6 tightly, play good thick liquid leak protection effect of ending. The wear-resistant grout stopping ring 3 is a polyether polyurethane wear-resistant grout stopping ring, and has the advantages of good performances of chemical corrosion resistance, high elasticity, high wear-resistant strength and the like, reliability in hole sealing and grout stopping and long service cycle. The length of the wear-resistant slurry stop ring 3 is 60mm, the width of a cross section ring is 5mm, and the inner diameter and the outer diameter of the wear-resistant slurry stop ring are respectively designed to be 162mm and 167 mm.

In this embodiment, wear-resisting thick liquid circle 3 is installed in sealing pipe box 2 with the detachable mode, and the loading and unloading and the change of wear-resisting thick liquid circle 3 of ending of being convenient for prevent that wear-resisting thick liquid circle 3 from ageing, make the device inefficacy.

In this embodiment, the inner wall of the sealing pipe sleeve 2 is provided with an annular mortar isolation steel pad 25 for placing the wear-resistant mortar stop ring 3. The annular steel gasket 25 is welded on the inner wall of the middle part of the sealing pipe sleeve 2, the thickness is 5mm, and the inner diameter and the outer diameter are respectively designed to be 162mm and 170 mm. The annular mortar isolation steel pad 25 plays a role in supporting the pipe shed 6 and also plays a role in limiting the axial direction of the wear-resistant mortar stop ring 3.

In this embodiment, the inner diameter of the wear-resistant slurry stop ring 3 is consistent with the inner diameter of the annular slurry separation steel pad 25. The pipe shed pipe 6 can conveniently pass through the annular mortar isolation steel pad 25 and the wear-resistant mortar stop ring 3.

In this embodiment, a gland 1 is disposed at an end of the sealing pipe sleeve 2 away from the connection portion, and the gland 1 seals the extending ends of the sealing pipe sleeve 2 and the pipe shed pipe 6. The gland 1 is a rotary gland, the outer contour is a regular hexagon, the side length is 110mm, and the thickness is 10 mm. The gland 1 is connected with the sealing pipe sleeve 2 by screw threads, which not only ensures the tightness of connection, but also is convenient for assembly, disassembly and manufacture. The gland 1 and the annular mortar isolation steel gasket 25 can extrude the flexible wear-resistant mortar stop ring 3, so that the wear-resistant mortar stop ring 3 expands and deforms. The gland 1 is screwed and the wear-resistant grout stop ring 3 is axially extruded by the gland 1 under the action of a matched adjustable wrench, so that the gland is radially expanded, the joint of the sealing pipe sleeve 2 and the pipe shed pipe 6 is fully expanded, and the slurry is prevented from flowing between the pipe shed pipe 6 and the orifice sleeve 5 from the joint.

In this embodiment, the gland 1 is provided with a grouting pipe joint 11. The grouting pipe joint 11 is used for connecting with a grouting pipe and injecting slurry into the pipe shed 6. The grouting pipe joint 11 is 40mm in length and 25mm in diameter. The end part of the grouting pipe joint 11 is provided with an external thread, the length of the external thread is 20mm, and the external thread can be directly connected with a grouting pipe, so that the grouting pipe joint does not need to be welded temporarily on site.

In this embodiment, a pair of ear-shaped handles 23 are symmetrically disposed on two sides of the outer wall of the sealing pipe sleeve 2. Two ends of the ear-shaped handle 23 are welded with the outer wall of the sealing pipe sleeve 2, and the span is 150 mm. The ear-shaped handle 23 facilitates the operator to hold the sealing pipe sleeve 2 and also facilitates the transportation, mounting and dismounting of the sealing pipe sleeve 2.

In this embodiment, be equipped with out thick liquid pipe 4 on the sealing pipe box 2, go out thick liquid pipe 4 and avoid wear-resisting thick liquid ring 3 setting of ending, prevent that wear-resisting thick liquid ring 3 from hindering the play thick liquid of play thick liquid pipe 4. The pulp outlet pipe 4 is provided with a plug 41 capable of opening and closing the pulp outlet pipe 4, and the plug 41 is in threaded connection with the pulp outlet pipe 4. The length of the pulp outlet pipe 4 is 40mm, the diameter is 25mm, the end part of the outer wall of the pulp outlet pipe is provided with an external thread, and the length is 20 mm. Before grouting the pipe shed, the plug 41 seals the grout outlet pipe 4 to prevent the grout from leaking out of the grout outlet pipe 4. When the grouting end standard is reached, the plug 41 is detached, and the grouting effect is judged by observing the slurry flowing out of the slurry outlet pipe 4. The plug 41 is connected with the pulp outlet pipe 4 through screw threads, and has the advantages of good connection tightness, convenient assembly and disassembly and easy manufacture.

In this embodiment, the sealing sleeve 2 is screwed to the orifice sleeve 5 through a connecting portion. The connection tightness between the sealing pipe sleeve 2 and the orifice sleeve 5 is ensured, and the slurry leakage at the joint is prevented. The screw thread connection also has the advantages of convenient assembly and disassembly and easy manufacture.

The specific installation and operation method of the orifice sealer for the grouting structure is as follows:

after the pipe shed pipe 6 is completely driven into the ground layer and before grouting of the pipe shed, the ear-shaped handle 23 is held by two hands to enable the sealing pipe sleeve 2 to penetrate through the pipe shed pipe 6 and to be aligned with the orifice sleeve 5, the sealing pipe sleeve is connected and screwed through the outer thread of the sealing pipe sleeve, the sealing pipe sleeve 2 is connected with the orifice sleeve 5, the polyether polyurethane wear-resistant grout stopping ring 3 is placed into the sealing pipe sleeve 2 until the polyether polyurethane wear-resistant grout stopping ring 3 is contacted with the annular grout isolating steel gasket 25, the grout outlet pipe 4 is plugged by the plug 41, the gland 1 is connected with the sealing pipe sleeve 2, the gland 1 is screwed by a matched movable wrench until the wear-resistant grout stopping ring 3 is expanded and deformed, so that the inner wall of the sealing pipe sleeve 2 is fully extruded with the embracing shed pipe 6, grouting can be started, after the standard of grouting is reached, the plug 41 is detached, the grouting effect is deduced by observing the consistency of grout flowing out from the grout outlet pipe 4, if the, if the slurry flowing out is thinner, it can be concluded that the grouting effect is poor.

The shapes, the proportional sizes and the like of the components of the present embodiment are only illustrative and are not intended to limit the understanding of the present invention. In other embodiments, the shape and proportional size of the components may also have other results. The skilled person in the art can, under the teaching of the present invention, choose various possible shapes and proportional dimensions to implement the invention according to the specific situation.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.

Claims

1. An orifice sealer for a grouting structure, characterized in that: including can overlap the pipe box (2) of sealing of pipe box (6) outside in the slip casting structure, the one end of sealing pipe box (2) has and is arranged in inserting among the slip casting structure between drill way sleeve pipe (5) and pipe box pipe (6) and with drill way sleeve pipe (5) sealing connection's connecting portion, it still is equipped with and is used for sealing the sealed subassembly in clearance between pipe box (2) and pipe box pipe (6) to seal pipe box (2).

2. An aperture closure for a grouting structure according to claim 1, characterized in that: the sealing assembly comprises an annular wear-resistant slurry stop ring (3), and the wear-resistant slurry stop ring (3) is made of flexible materials.

3. The orifice sealer for a grouting structure according to claim 2, wherein: the wear-resistant slurry stop ring (3) is detachably arranged in the sealing pipe sleeve (2).

4. An aperture closure for a grouting structure according to claim 3, characterized in that: the inner wall of the sealing pipe sleeve (2) is provided with an annular mortar isolation steel pad (25) for placing the wear-resistant mortar stop ring (3).

5. An aperture sealer for a grouting structure according to claim 4, wherein: the inner diameter of the wear-resistant slurry stop ring (3) is consistent with that of the annular slurry separation steel pad (25).

6. An aperture sealer for a grouting structure according to claim 4, wherein: seal pipe box (2) and keep away from the one end of connecting portion and be equipped with gland (1), gland (1) and seal pipe box (2) screw thread are connected, gland (1) with the annular separates thick liquid steel gasket (25) can extrude flexible wear-resisting thick liquid circle (3) of ending for wear-resisting thick liquid circle (3) bulging deformation of ending.

7. An aperture closure for a grouting structure as claimed in claim 6, wherein: and a grouting pipe joint (11) is arranged on the gland (1).

8. An aperture closure for a grouting structure according to claim 1, characterized in that: a pair of ear-shaped handles (23) are symmetrically arranged on two sides of the outer wall of the sealing pipe sleeve (2).

9. An aperture closure for a grouting structure according to any one of claims 1-8, characterised in that: be equipped with out thick liquid pipe (4) on sealing pipe sleeve (2), it stops thick liquid circle (3) setting to avoid wear-resisting in thick liquid pipe (4) to go out, be equipped with end cap (41) that can open and seal out thick liquid pipe (4) on play thick liquid pipe (4), end cap (41) are connected with play thick liquid pipe (4) screw thread.

10. An aperture closure for a grouting structure according to any one of claims 1-8, characterised in that: the sealing pipe sleeve (2) is in threaded connection with the orifice sleeve (5) through a connecting part.