CN219300073U - Waterproof type push pipe - Google Patents

Abstract

The application provides a waterproof pipe jacking, it includes the unit pipe, and unit pipe front end is connected with integrated into one piece's grafting pipe, and the rear end is connected with integrated into one piece's adapter tube, is provided with the grout mouth on the unit pipe front end, and the inside glue storage chamber that has seted up of front end, glue storage chamber rear end has seted up the extrusion groove, and a plurality of pipeline have been seted up jointly to unit pipe and grafting intraduct, and pipeline is linked together with the extrusion groove. The device makes the gap between the connecting pipe and the grouting sealing ring groove in the pipe jacking process all filled with elastic sealant, and the elastic sealant forms elastic colloid after solidification, plays the waterproof effect of sealing, and its simple structure, and sealed effectual.

Description

Waterproof type push pipe

Technical Field

The application relates to the field of buildings, in particular to a waterproof jacking pipe.

Background

The non-excavation construction technology is a pipeline burying technology without excavation or with less excavation, the jacking pipe is a pipeline buried by adopting the non-excavation construction technology, the jacking pipe is required to overcome the friction resistance between the pipeline and surrounding soil by means of jacking force generated by jacking equipment (such as a jack and the like) during construction, and the pipeline is jacked into a foundation according to the designed gradient. The jacking pipe has the advantages of small influence on surrounding environment, small construction occupied area, low noise and the like, solves the problems of damage to roads and buildings and the like in pipeline burying construction, and has obvious advantages in stabilizing soil layers and protecting the environment, so that the jacking pipe is more and more commonly used in building engineering.

The construction process of the jacking pipe is as follows: and after one section of pipe body is jacked into the foundation, the second section of pipe body is jacked in continuously to form a jacking pipe penetrating through the foundation layer. In order to enhance the connection effect and the waterproof effect between two adjacent pipe bodies, the two ends of the pipe bodies are usually respectively provided with a socket and an spigot. However, gaps are easily generated in the front-back connection process of the socket joint and the spigot joint of the adjacent pipelines, the tightness is poor, and the waterproof effect of the jacking pipe is poor.

Disclosure of Invention

One of the purposes of this application is to provide a waterproof pipe jacking to solve the current poor problem of pipe jacking sealing effect.

The technical scheme of the application is as follows:

a waterproof jacking pipe comprises a unit pipe; the front end of the unit pipe is connected with an integrally formed plug pipe, and the rear end of the unit pipe is connected with an integrally formed socket pipe used for being connected with the plug pipe; the upper part of the front end of the unit pipe is provided with a grouting opening, the inside of the front end is provided with a glue storage cavity communicated with the grouting opening, and the rear end of the glue storage cavity is provided with an extrusion groove; the unit pipe is communicated with the inside of the insertion pipe through a plurality of conveying pipelines, one end of each conveying pipeline is communicated with the extrusion groove, and the other end of each conveying pipeline is communicated with a corresponding slurry outlet formed in the insertion pipe; a plurality of grouting sealing ring grooves which are arranged at intervals are formed in the outer peripheral surface of the insertion pipe, a circulation port is formed between two adjacent grouting sealing ring grooves, and a plurality of grout outlets are formed in the bottom wall of the grouting sealing ring groove at the forefront side; the unit pipe with be provided with the extrusion subassembly jointly on the plug pipe, the one end of extrusion subassembly movably cover is located on the plug pipe, the other end movably cover is located on the inner wall of the front end of unit pipe, and hug closely on the inner peripheral wall of glue storage chamber, be arranged in with from among the grout mouth enter into the elastic sealant in the glue storage chamber pass through extrusion groove, pipeline, the grout outlet extrudees on the outer peripheral face of plug pipe.

As one technical scheme of the application, the extrusion assembly comprises an extrusion plate, a plurality of movable rods and a piston plate; the extrusion plate and the piston plate are arranged in parallel at intervals; the movable rods are arranged at intervals, one end of each movable rod is connected with the extrusion plate, and the other end of each movable rod penetrates through the unit pipe, extends into the glue storage cavity and is fixedly connected with the piston plate; the extruding plate is sleeved on the inserting pipe, the piston plate is movably sleeved on the inner wall of the front end of the unit pipe and clings to the inner peripheral wall of the glue storage cavity.

As a technical scheme of this application, movable rod with sliding connection between the unit pipe, and junction is provided with sealed pad.

As a technical scheme of the application, the slurry outlets are uniformly arranged along the peripheral wall of the plug-in pipe at intervals.

As a technical scheme of this application, be provided with the stagnant water rubber tape in the front end inner chamber of the adapter tube.

As a technical scheme of this application, be provided with sealed lid on the grout mouth, sealed lid can be opened or closed the grout mouth.

As a technical scheme of the present application, the adjacent circulation ports on the grouting seal grooves are staggered.

The beneficial effects of this application:

in the waterproof jacking pipe of this application, it is when carrying out the jacking pipe work, earlier inject the elastic sealing gum to storing up the intracavity through the grout mouth, then insert the grafting pipe of back section unit pipe in the grafting pipe of front section unit pipe, in the course of insertion, the back extrusion of the grafting pipe of front side is its stripper plate, the stripper plate drives the piston plate through the movable rod and moves backward, the piston plate extrudees the extrusion inslot with the elastic sealing gum, then discharge from the grout outlet through pipeline, when the grafting pipe of rear gets into the grafting pipe of front side completely, the gap between full grouting sealing washer groove and grafting pipe and the grafting pipe is also fully filled to the elastic sealing gum, form the elastic sealing gum after the elastic sealing gum solidifies, play sealed waterproof effect. Meanwhile, after elastic sealing glue in the grouting sealing ring grooves is solidified, a plurality of O-shaped sealing rings are formed, so that the sealing waterproof effect of the jacking pipe can be further improved, and meanwhile, the water stop rubber belt can play a waterproof role. Therefore, the device is ingenious in design, good in sealing effect and high in waterproof performance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a waterproof jacking pipe according to an embodiment of the present application;

fig. 2 is a first angular cross-sectional view of a waterproof jacking pipe according to an embodiment of the present application;

fig. 3 is a second angular cross-sectional view of the waterproof jacking pipe according to the embodiment of the present application;

FIG. 4 is a schematic view of a press assembly provided in an embodiment of the present application;

fig. 5 is a schematic view of a local first angle of a waterproof jacking pipe according to an embodiment of the present application;

fig. 6 is a schematic view of a local second angle of the waterproof jacking pipe according to the embodiment of the present application.

Icon: 1-unit pipes; 2-an insertion tube; 3-a socket; 4-grouting openings; 5-an extrusion assembly; 6-a glue storage cavity; 7-an extrusion groove; 8-a conveying pipeline; 9-grouting a sealing ring groove; 10-a slurry outlet; 11-flow port; 12-a water stop rubber belt; 13-squeeze plates; 14-a movable rod; 15-piston plate.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application.

Furthermore, in this application, unless expressly stated or limited otherwise, a first feature may include first and second features being in direct contact, either above or below, or through additional features being in contact therewith. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Examples:

referring to fig. 1, and referring to fig. 2 to 6, the present application provides a waterproof jacking pipe, which has a unit pipe 1; the front end of the unit pipe 1 is connected with an integrally formed plug pipe 2, and the rear end is connected with an integrally formed socket pipe 3 used for being connected with the plug pipe 2; meanwhile, a grouting opening 4 is formed in the upper part of the front end of the unit pipe 1, a glue storage cavity 6 communicated with the grouting opening 4 is formed in the front end of the unit pipe, elastic sealant is injected into the glue storage cavity 6 through the grouting opening 4, and an extrusion groove 7 is formed in the rear end of the glue storage cavity 6; the unit pipe 1 is communicated with the inside of the plug pipe 2 through a plurality of conveying pipelines 8, one end of each conveying pipeline 8 is communicated with the extrusion groove 7, and the other end of each conveying pipeline 8 is communicated with a corresponding slurry outlet 10 formed in the plug pipe 2; and, set up a plurality of grout sealing grooves 9 that set up at the interval on the outer peripheral face of grafting pipe 2, and set up circulation mouth 11 between two adjacent grout sealing grooves 9, a plurality of grout outlets 10 all are located on the diapire of forefront grout sealing groove 9, and grout outlet 10 sets up along the interval on the outer peripheral wall of grafting pipe 2 uniformly. In addition, the unit pipe 1 and the plug pipe 2 are jointly provided with an extrusion component 5, one end of the extrusion component 5 is movably sleeved on the plug pipe 2, the other end of the extrusion component is movably sleeved on the inner wall of the front end of the unit pipe 1 and is tightly attached to the inner peripheral wall of the glue storage cavity 6, and the extrusion component is used for extruding elastic sealant entering the glue storage cavity 6 from the grouting opening 4 to the outer peripheral surface of the plug pipe 2 through the extrusion groove 7, the conveying pipeline 8 and the grout outlet 10. And, a water stop rubber belt 12 is arranged in the front end inner cavity of the joint pipe 3. Be provided with sealed lid on the grout mouth 4, sealed lid can open or close grout mouth 4, can prevent that foreign matter and air from getting into and storing up in the gluey chamber 6 and leading to pipeline 8 to block up. The circulation ports 11 on the adjacent grouting sealing ring grooves 9 are staggered. The insertion pipe 2 is matched with the connection pipe 3, the inner surface of the connection pipe 3 is rough, so that the sealing glue is more compact in the bonding process, and the waterproof effect is improved.

The pressing assembly 5 includes a pressing plate 13, a plurality of movable rods 14, and a piston plate 15; wherein the extrusion plate 13 and the piston plate 15 are arranged in parallel and at intervals; the movable rods 14 are arranged at intervals, one end of each movable rod 14 is connected with the extrusion plate 13, and the other end of each movable rod 14 penetrates through the unit pipe 1, extends into the glue storage cavity 6 and is fixedly connected with the piston plate 15; in addition, the squeeze plate 13 is sleeved on the plug tube 2, and the piston plate 15 is movably sleeved on the inner wall of the front end of the unit tube 1 and is tightly attached to the inner peripheral wall of the glue storage cavity 6. Specifically, sliding connection is provided between movable rod 14 and unit pipe 1, and the junction is provided with sealed the pad, can prevent that the air from passing the gap and carrying out and store up gluey chamber 6 and cause the sealant solidification, mobility reduction, influence result of use. The extrusion plate 13 moves to drive the movable rod 14 to move backwards, and the movable rod 14 drives the piston plate 15 to move backwards, so that the elastic sealant is pushed into the conveying pipeline 8.

The working principle of the device is as follows:

before jacking pipe of unit pipe 1, moving extrusion plate 13 of unit pipe 1 to the forefront, injecting elastic sealant into glue storage cavity 6 through grouting port 4, covering sealing cover, and jacking pipe; inserting the splicing tube 2 of the rear section of unit tube 1 into the joint tube 3 of the front section of unit tube 1, driving the rear section of unit tube 1 to move forwards into a foundation by the pipe jacking equipment, and in the process of moving the rear section of unit tube 1 forwards, driving the extrusion plate 13 to move backwards by the joint tube 3 of the front section of unit tube 1, thereby driving the movable rod 14 to move backwards, driving the piston plate 15 to move backwards by the movable rod 14, extruding the elastic sealant in the glue storage cavity 6 into the extrusion groove 7, enabling the elastic sealant to enter the conveying pipeline 8 under the action of pressure, then discharging from the grout outlet 10, filling a plurality of grouting sealing ring grooves 9 by the elastic sealant through the grout outlet 10, and simultaneously, forming elastic sealant after solidification of gaps between the splicing tube 2 and the joint tube 3, thereby playing a role of sealing and waterproofing, and forming a plurality of O-shaped elastic sealing rings after solidification of the elastic sealant in the grouting sealing ring grooves 9, and further improving the waterproof effect; in addition, the construction process of the unit pipe 1 of the follow-up construction is the same.

In summary, in the waterproof jacking pipe of the present application, when the jacking pipe is operated, the grouting port 4 is used for injecting the elastic sealant into the glue storage cavity 6, then the plug pipe 2 of the next section of unit pipe 1 is inserted into the socket pipe 3 of the previous section of unit pipe 1, in the insertion process, the socket pipe 3 at the front side extrudes the extrusion plate 13 thereof backwards, the extrusion plate 13 drives the piston plate 15 to move backwards through the movable rod 14, the piston plate 15 extrudes the elastic sealant into the extrusion groove 7, and then the elastic sealant is discharged from the grout outlet 10 through the conveying pipeline 8, and when the plug pipe 2 at the rear completely enters the socket pipe 3 at the front side, the elastic sealant also completely fills the gap between the grouting sealing ring groove 9 and the socket pipe 2 and the socket pipe 3, and the elastic sealant forms the elastic sealant after solidification, so as to play the role of sealing and waterproofing. Meanwhile, after the elastic sealant in the grouting sealing ring grooves 9 is solidified, a plurality of O-shaped sealing rings are formed, so that the sealing waterproof effect of the jacking pipe can be further improved, and meanwhile, the water stop rubber belt 12 can play a waterproof role. Therefore, the device is ingenious in design, good in sealing effect and high in waterproof performance.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (7)

1. The waterproof jacking pipe is characterized by comprising a unit pipe; the front end of the unit pipe is connected with an integrally formed plug pipe, and the rear end of the unit pipe is connected with an integrally formed socket pipe used for being connected with the plug pipe; the upper part of the front end of the unit pipe is provided with a grouting opening, the inside of the front end is provided with a glue storage cavity communicated with the grouting opening, and the rear end of the glue storage cavity is provided with an extrusion groove; the unit pipe is communicated with the inside of the insertion pipe through a plurality of conveying pipelines, one end of each conveying pipeline is communicated with the extrusion groove, and the other end of each conveying pipeline is communicated with a corresponding slurry outlet formed in the insertion pipe; a plurality of grouting sealing ring grooves which are arranged at intervals are formed in the outer peripheral surface of the insertion pipe, a circulation port is formed between two adjacent grouting sealing ring grooves, and a plurality of grout outlets are formed in the bottom wall of the grouting sealing ring groove at the forefront side; the unit pipe with be provided with the extrusion subassembly jointly on the plug pipe, the one end of extrusion subassembly movably cover is located on the plug pipe, the other end movably cover is located on the inner wall of the front end of unit pipe, and hug closely on the inner peripheral wall of glue storage chamber, be arranged in with from among the grout mouth enter into the elastic sealant in the glue storage chamber pass through extrusion groove, pipeline, the grout outlet extrudees on the outer peripheral face of plug pipe.

2. The waterproof jacking pipe of claim 1, wherein said compression assembly comprises a compression plate, a plurality of movable rods, and a piston plate; the extrusion plate and the piston plate are arranged in parallel at intervals; the movable rods are arranged at intervals, one end of each movable rod is connected with the extrusion plate, and the other end of each movable rod penetrates through the unit pipe, extends into the glue storage cavity and is fixedly connected with the piston plate; the extruding plate is sleeved on the inserting pipe, the piston plate is movably sleeved on the inner wall of the front end of the unit pipe and clings to the inner peripheral wall of the glue storage cavity.

3. The waterproof jacking pipe according to claim 2, wherein the movable rod is slidably connected with the unit pipe, and a sealing gasket is arranged at the connection part.

4. The waterproof jacking pipe according to claim 1, wherein the grout outlets are uniformly spaced along the outer peripheral wall of the splicing pipe.

5. The waterproof jacking pipe according to claim 1, wherein a water-stop rubber belt is arranged in the inner cavity of the front end of the joint pipe.

6. The waterproof jacking pipe according to claim 1, wherein a sealing cover is arranged on the grouting port, and the sealing cover can open or close the grouting port.

7. The waterproof jacking pipe according to claim 1, wherein the flow openings in adjacent grouting sealing grooves are staggered.

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