CN219622691U - Pipe jacking mud grouting device - Google Patents

Abstract

The utility model provides a pipe jacking slurry grouting device which comprises a concrete pipeline, a connecting seat, a plug, a protection plate, a butt joint seat, a rotating seat, balls, a spray head and a sliding seat.

Description

Pipe jacking mud grouting device

Technical Field

The utility model relates to a jacking pipe slurry grouting device, and belongs to the technical field of jacking pipe slurry grouting.

Background

The pipe jacking construction technology is a non-excavation technology for laying underground pipelines, which well protects the environment, and under the condition of not disturbing or slightly disturbing the soil layer structure outside the pipe, a tool pipe or a heading machine is led into a receiving well from a working well through a soil layer along the line by means of the thrust of jacking equipment such as a main top oil pump and the like; at the same time, the following pipelines are connected in sequence and buried in the pipeline soil layer connecting the two wells.

Chinese patent No. CN218598214U discloses a pipe jacking mud grouting device, through being provided with multiunit conveying steel pipe and rotatory nozzle at concrete pipe annular side lower extreme, drive self rotation when spraying mud through rotatory nozzle, thereby make the mud injection around the concrete pipe even, but the position protrusion concrete pipe surface of this design rotatory nozzle, the resistance that the pipe in-process comes from the external world damages rotatory nozzle easily, second rotatory nozzle only can rotate as the center by oneself, the coverage is narrower, make the mud filling less space appear easily between rotatory nozzle two liang, influence the effect of mud injection, the practicality is lower, the present urgent need pipe jacking mud grouting device solves the problem that above-mentioned appears.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a pipe jacking slurry grouting device which solves the problems in the prior art, has reasonable structure, can uniformly output slurry through the rotation of a rotating seat sleeved outside a concrete pipeline, has wider slurry coverage range, is convenient to install and detach, and has strong practicability.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a push pipe mud slip casting device, includes concrete pipe, connecting seat, top, guard plate, butt joint seat, roating seat, ball, shower nozzle and sliding seat, the connecting seat upper end cover is equipped with concrete pipe, the inside butt joint seat that is provided with of connecting seat, the connecting seat below is provided with the top, the welding of top annular side has the guard plate, the top up end rotates and is provided with the roating seat, the roating seat below is provided with the ball, the roating seat up end is provided with the shower nozzle, the inside sliding seat that is provided with of roating seat.

Further, the top up end is provided with the fixing base, the rolling groove has been seted up to the equal specification of fixing base up end and roating seat lower terminal surface, the ball sets up inside the rolling groove, specifications such as ball are provided with the multiunit.

Further, a shunt cavity is formed in the fixing base, a conveying hose is arranged on the upper end face of the butt joint base, the butt joint base penetrates through the upper end face of the fixing base and is connected with the bottom of the shunt cavity, and a through hole is formed in the part of the annular side face of the inside of the shunt cavity.

Further, connecting pipes are arranged in the rotating seat, one ends of the connecting pipes are connected with the spray heads, the other ends of the connecting pipes are connected with the sliding seat, and the sliding seat is arranged in the shunt cavity.

Further, the specifications of the spray heads and the like are provided with a plurality of groups, and the spray heads are obliquely arranged along the anticlockwise direction and form an included angle of 15 degrees with the vertical direction.

Further, the sliding seat penetrates through the fixing seat and then is connected with the rotating seat, a sealing gasket is arranged at the contact position of the sliding seat and the fixing seat, and the sealing gasket is made of wear-resistant rubber.

Further, the lower end face of the connecting seat is welded with a limiting plate, the inner wall of the rotating seat is provided with a limiting groove, and the limiting plate is in sliding clamping with the limiting groove.

Further, the outer diameter of the connecting seat is equal to the inner diameter of the concrete pipeline, and the connecting seat is connected with the concrete pipeline through a connecting bolt.

The utility model has the beneficial effects that: according to the pipe jacking slurry grouting device, the fixed seat, the butt joint seat, the split flow cavity, the sliding seat and the rotating seat are added, the plug drives the fixed seat to move downwards in the pipe descending process, slurry is filled into the split flow cavity through the butt joint seat and the through hole, enters the spray head through the sliding seat and the connecting pipeline, and is sprayed outwards through the spray head, the rotating seat is driven to rotate clockwise due to the reaction force of the slurry in the spraying process, meanwhile, the sliding seat is driven to slide tightly along the inner wall of the split flow cavity, the rolling balls and the rolling groove can reduce the friction force when the rotating seat rotates, the protection plate can prevent the resistance from soil in the pipe descending process from acting on the rotating seat, the design, the installation and the disassembly are convenient, the slurry spraying coverage area is more comprehensive, the grouting effect is good, and the practicability is strong.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view of a pipe jacking slurry grouting device according to the present utility model;

FIG. 2 is a schematic diagram of a rotary base in a pipe jacking slurry injector according to the present utility model;

FIG. 3 is a front cross-sectional view of a pipe-jacking slurry injector according to the present utility model;

in the figure: 1-concrete pipeline, 2-connecting seat, 21-connecting bolt, 22-limiting plate, 3-plug, 31-fixing seat, 32-split cavity, 4-guard plate, 5-butt seat, 51-conveying hose, 52-through hole, 6-rotating seat, 61-limiting groove, 7-ball, 71-rolling groove, 8-shower nozzle, 81-connecting pipeline, 9-sliding seat, 91-sealing gasket.

Description of the embodiments

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a pipe jacking mud slip casting device, including concrete pipe 1, connecting seat 2, top 3, guard plate 4, butt joint seat 5, roating seat 6, ball 7, shower nozzle 8 and sliding seat 9, the concrete pipe 1 is equipped with to the cover of connecting seat 2 upper end, the inside butt joint seat 5 that is provided with of connecting seat 2, the connecting seat 2 below is provided with top 3, the welding of top 3 annular side has guard plate 4, the rotation of top 3 up end is provided with roating seat 6, roating seat 6 below is provided with ball 7, roating seat 6 up end is provided with shower nozzle 8, roating seat 6 inside is provided with sliding seat 9, this design has solved the problem that original pipe jacking mud slip casting device mud coverage is narrower, influence slip casting effect.

As a first embodiment of the present utility model: the upper end face of the plug 3 is provided with a fixed seat 31, the fixed seat 31 is fixedly connected with the connecting seat 2, rolling grooves 71 are formed in equal specifications of the upper end face of the fixed seat 31 and the lower end face of the rotating seat 6, balls 7 are arranged in the rolling grooves 71, a plurality of groups of the balls 7 are arranged in the same specifications, the sliding friction between the rotating seat 6 and the fixed seat 31 can be changed into rolling friction by the design of the rolling grooves 71 and the balls 7, so that the friction force when the rotating seat 6 rotates is reduced, a diversion cavity 32 is formed in the fixed seat 31, a conveying hose 51 is arranged on the upper end face of the butt joint seat 5, the butt joint seat 5 penetrates through the upper end face of the fixed seat 31 and is connected with the bottom of the diversion cavity 32, slurry is injected into the diversion cavity 32 through the butt joint seat 5, a connecting pipeline 81 is arranged in the rotating seat 6, one end of the connecting pipeline 81 is connected with a spray head 8, the other end of the connecting pipeline 81 is connected with the sliding seat 9, the sliding seat 9 is arranged in the shunt cavity 32, the sliding seat 9 can slide tightly along the inner wall of the shunt cavity 32, meanwhile, slurry in the shunt cavity 32 can enter the spray head 8 through the connecting pipeline 81, a plurality of groups of spray heads 8 are arranged in specification such as a plurality of groups, the spray heads 8 are obliquely arranged in the anticlockwise direction and form an included angle of 15 DEG with the vertical direction, the design ensures that the spray heads 8 spray slurry outwards and drive the rotating seat 6 to rotate in the clockwise direction under the action of the reaction force of the slurry, the sliding seat 9 penetrates through the fixed seat 31 and is connected with the rotating seat 6, the contact part of the sliding seat 9 and the fixed seat 31 is provided with the sealing gasket 91, the sealing gasket 91 can enhance the sealing property between the sliding seat 9 and the fixed seat 31, so that slurry leakage can not occur in the rotating process of the sliding seat 9, the lower end face of the connecting seat 2 is welded with the limiting plate 22, the inner wall of the rotating seat 6 is provided with the limiting groove 61, limiting plate 22 and spacing groove 61 sliding block, limiting plate 22 and spacing groove 61 can carry out spacingly to rotary seat 6, and connecting seat 2 external diameter equals with concrete pipe 1 internal diameter, is connected through connecting bolt 21 between connecting seat 2 and the concrete pipe 1, and this design is convenient for install and dismantle concrete pipe 1 and connecting seat 2.

As a second embodiment of the present utility model: the user inserts concrete pipe 1 lower extreme with connecting seat 2 earlier, carry out fixed connection to concrete pipe 1 and connecting seat 2 through connecting bolt 21 afterwards, can carry out the pipe, pipe in-process top 3 drives fixing base 31 downwardly moving down, conveying hose 51 is through pouring into mud to reposition of redundant personnel chamber 32 inside to seat 5 and through-hole 52, mud gets into shower nozzle 8 through sliding seat 9 and connecting tube 81, and spray outwards through shower nozzle 8, the reaction force of spraying in-process because mud drives rotating seat 6 and rotates clockwise, drive sliding seat 9 simultaneously and closely slide along reposition of redundant personnel chamber 32 inner wall, the frictional force when ball 7 and rolling groove 71 can reduce rotating seat 6 rotation, guard plate 4 can avoid the resistance effect from soil in-process down on rotating seat 6.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. The utility model provides a push pipe mud slip casting device, includes concrete pipe, connecting seat, top, guard plate, butt joint seat, roating seat, ball, shower nozzle and sliding seat, its characterized in that: the concrete pipeline is sleeved at the upper end of the connecting seat, the butt joint seat is arranged inside the connecting seat, the plug is arranged below the connecting seat, the protection plate is welded on the annular side face of the plug, the rotary seat is rotationally arranged on the upper end face of the plug, the ball is arranged below the rotary seat, the spray head is arranged on the upper end face of the rotary seat, and the sliding seat is arranged inside the rotary seat.

2. The pipe jacking slurry injector according to claim 1, wherein: the upper end face of the plug is provided with a fixed seat, rolling grooves are formed in the upper end face of the fixed seat and the lower end face of the rotary seat in equal specification, balls are arranged in the rolling grooves, and a plurality of groups of balls are arranged in the same specification.

3. The pipe jacking slurry injector according to claim 2, wherein: the inside reposition of redundant personnel chamber of having seted up of fixing base, the conveying hose is installed to butt joint seat up end, the butt joint seat runs through the fixing base up end and is connected with reposition of redundant personnel chamber bottom, the through-hole has been seted up to the inside partial annular side of butt joint seat reposition of redundant personnel chamber.

4. A pipe jacking slurry injector as claimed in claim 3, wherein: the rotary seat is internally provided with a connecting pipeline, one end of the connecting pipeline is connected with the spray head, the other end of the connecting pipeline is connected with the sliding seat, and the sliding seat is arranged inside the diversion cavity.

5. The pipe jacking slurry injector according to claim 1, wherein: the specifications of the spray heads and the like are provided with a plurality of groups, and the spray heads are obliquely arranged along the anticlockwise direction and form an included angle of 15 degrees with the vertical direction.

6. The pipe jacking slurry injector according to claim 2, wherein: the sliding seat penetrates through the fixing seat and then is connected with the rotating seat, a sealing gasket is arranged at the contact position of the sliding seat and the fixing seat, and the sealing gasket is made of wear-resistant rubber.

7. The pipe jacking slurry injector according to claim 1, wherein: the lower end face of the connecting seat is welded with a limiting plate, the inner wall of the rotating seat is provided with a limiting groove, and the limiting plate is in sliding clamping with the limiting groove.

8. The pipe jacking slurry injector according to claim 1, wherein: the external diameter of the connecting seat is equal to the internal diameter of the concrete pipeline, and the connecting seat is connected with the concrete pipeline through a connecting bolt.