CN217028130U

CN217028130U - Grouting system for prestressed pipe

Info

Publication number: CN217028130U
Application number: CN202220702071.6U
Authority: CN
Inventors: 李红军; 杨杰; 李红荣; 张莉莉
Original assignee: Henan Baishun Road And Bridge Prestressed Equipment Co ltd
Current assignee: Henan Baishun Road And Bridge Prestressed Equipment Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-07-22
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a grouting system for a prestressed pipe, which comprises a concrete member, wherein a first grouting groove is formed in the concrete member, a second grouting groove is formed above the first grouting groove, a grouting groove is formed in the upper end of the first grouting groove, and a grouting groove is formed in the second grouting groove. The slurry inlet groove and the slurry outlet groove in the slurry discharging device are both arranged above the grouting groove, so that air is discharged more thoroughly, the slurry outlet pipe is connected with the U-shaped slurry outlet pipe, when gas is discharged, the U-shaped slurry outlet pipe starts to discharge slurry, the valve II is closed, and at the moment, the gas in the first slurry outlet groove and the second slurry outlet groove is emptied. The water pipes are additionally arranged on the grouting pipe, so that after grouting is finished, the connection with the grouting pipe can be disconnected, the valve IV is opened, the outlet of the grouting pipe is cleaned through water delivery of the water pipe, and then the valve III is closed, water flows reversely flow to clean the inside of the grouting pipe, and the service life of the grouting pipe is prolonged.

Description

Grouting system for prestressed pipe

Technical Field

The utility model relates to the technical field of building construction, in particular to a grouting system for a prestressed pipe.

Background

In the building construction, the prestressed pipe is embedded into the prestressed concrete member in advance, after the concrete pouring is finished and the concrete reaches a certain strength, the prestressed tendons are led into the prestressed pipeline, after the prestressed tendons are tensioned and anchored, the prestressed pipeline is grouted, so that the slurry fills the gaps between the prestressed tendons and the pipeline, the prestressed tendons and the concrete are firmly bonded into a whole, the strength, the rigidity and the bending resistance of the concrete member are improved, and the concrete member is prevented from cracking prematurely. The traditional grouting process often has the problem of incompact grouting in construction. Accordingly, one skilled in the art provides a grouting system for prestressed pipes to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a grouting system for prestressed pipes, which solves the above problems of the prior art.

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

a grouting system for a prestressed pipe comprises a concrete member, wherein a first grouting groove is formed in the concrete member, a second grouting groove is formed above the first grouting groove, a grout inlet groove is formed in the upper end of the first grouting groove, and a grout outlet groove is formed in the second grouting groove;

the slurry inlet groove is connected with a slurry inlet pipe, the front end of the slurry inlet pipe is connected with a slurry pressing pipe, the slurry outlet groove is connected with a slurry outlet pipe, the front end of the slurry outlet pipe is connected with a U-shaped slurry outlet pipe, threaded grooves are formed in the front end and the rear end of the first slurry injection groove and the second slurry injection groove, and plugging pieces are arranged in the threaded grooves.

Preferably, the following components: the plugging piece is provided with a rotating handle, a threaded hole is formed in the plugging piece, and a prestressed rib is arranged in the threaded hole.

Preferably: the prestressed tendon is provided with a thread, and the prestressed tendon is in threaded sleeve joint with the plugging piece through the thread.

Preferably: the rear end of the pulp inlet groove is connected with a U-shaped connecting pipe, and the pulp inlet groove is communicated with the pulp outlet groove through the U-shaped connecting pipe.

Preferably, the following components: the slurry inlet pipe is provided with a first valve, the slurry pressing pipe is provided with a second valve, and the slurry outlet pipe is provided with a third valve.

Preferably: the grouting pipe is connected with a water delivery pipe, and a valve IV is arranged on the water delivery pipe.

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

1. the slurry inlet groove and the slurry outlet groove in the utility model are both arranged above the grouting groove, so that the air is discharged more thoroughly, the slurry outlet pipe is connected with the U-shaped slurry outlet pipe, after the gas is discharged, the U-shaped slurry outlet pipe starts to discharge slurry, the valve II is closed, and at the moment, the gas in the first slurry outlet groove and the second slurry outlet groove is emptied.

2. The water pipes are additionally arranged on the grouting pipe, so that the connection with the grouting pipe can be disconnected after grouting is finished, the fourth valve is opened, the outlet of the grouting pipe is cleaned by conveying water through the water pipe, and then the third valve is closed, so that water flows in the reverse direction to clean the inside of the grouting pipe, and the service life of the grouting pipe is prolonged.

Drawings

Fig. 1 is a schematic perspective view of a grouting system for a prestressed pipe according to an embodiment of the present disclosure.

Fig. 2 is a schematic cross-sectional structural diagram of a grouting system for a prestressed pipe according to an embodiment of the present application.

Fig. 3 is an enlarged structural view of fig. 2A in a grouting system for a prestressed pipe according to an embodiment of the present disclosure.

In the figure: 1. a concrete member; 2. a first grouting tank; 201. a second grouting tank; 3. a pulp inlet groove; 301. a U-shaped connecting pipe; 4. a pulp outlet groove; 5. a pulp inlet pipe; 501. a first valve; 6. a grouting pipe; 601. a second valve;

7. a pulp outlet pipe; 701. a third valve; 8. a U-shaped slurry outlet pipe; 9. a thread groove; 10. a blocking piece; 1001. rotating the handle; 1002. a threaded hole; 11. pre-stressed tendons; 1101. a thread; 12. a water delivery pipe; 1201. and a valve IV.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

7. referring to fig. 1 to 3, in the embodiment of the present invention, a grouting system for a prestressed pipe includes a concrete member 1, and is characterized in that a first grouting groove 2 is formed in the concrete member 1, a second grouting groove 201 is formed above the first grouting groove 2, a grout inlet groove 3 is formed at an upper end of the first grouting groove 2, a U-shaped connecting pipe 301 is connected to a rear end of the grout inlet groove 3, the grout inlet groove 3 is communicated with a grout outlet groove 4 through the U-shaped connecting pipe 301, and a grout outlet groove 4 is formed in the second grouting groove 201;

the mortar inlet groove 3 is connected with a mortar inlet pipe 5, the front end of the mortar inlet pipe 5 is connected with a mortar pressing pipe 6, the mortar outlet groove 4 is connected with a mortar outlet pipe 7, the front end of the mortar outlet pipe 7 is connected with a U-shaped mortar outlet pipe 8, the mortar inlet pipe 5 is provided with a first valve 501, the mortar pressing pipe 6 is provided with a second valve 601, the mortar outlet pipe 7 is provided with a third valve 701, the front end and the rear end of the first mortar injection groove 2 and the front end and the rear end of the second mortar injection groove 201 are both provided with thread grooves 9, the thread grooves 9 are internally provided with plugging pieces 10, the plugging pieces 10 are provided with rotating handles 1001 and threaded holes 1002, the threaded holes 1002 are internally provided with prestressed ribs 11, the prestressed ribs 11 are provided with threads 1101, and the prestressed ribs 11 are in threaded sleeve joint with the plugging pieces 10 through the threads 1101;

in concrete member 1, advance dressing trough 3 and grout outlet 4 and all set up in the top of first grout groove 2 and second grout groove 201, during the slip casting, because the height drop, make things convenient for the air escape in the grouting groove, and for air escape's more thorough, be connected with U type grout outlet pipe 8 on grout outlet pipe 7, after the slurry is filled, U type grout outlet pipe 8 begins the discharge slurry, explain that no bubble or air gap produce in the grouting groove, later close valve three 701, the gaseous evacuation in first grout outlet 2 and the second grout outlet 201 this moment, in time close valve three 701 and valve one 501 can avoid gas reflux.

Example 2:

in the embodiment of the present invention, as a further improvement of the previous embodiment, the specific difference is that a water pipe 12 is connected to the mud jacking pipe 6, and a valve four 1201 is installed on the water pipe 12;

the water conveying pipe 12 is additionally arranged on the grouting pipe 6, after grouting is completed, connection with the grouting pipe 5 can be disconnected, the fourth valve 1201 is opened, the outlet of the grouting pipe 6 is cleaned through water conveying of the water conveying pipe 12, then the second valve 601 is closed, water flow reversely flows to clean the inside of the grouting pipe 6, and the service life of the grouting pipe 6 is prolonged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A grouting system for a prestressed pipe comprises a concrete member (1), and is characterized in that a first grouting groove (2) is formed in the concrete member (1), a second grouting groove (201) is formed above the first grouting groove (2), a grouting groove (3) is formed in the upper end of the first grouting groove (2), and a grouting groove (4) is formed in the second grouting groove (201);

advance to be connected with on dressing trough (3) and advance thick liquid pipe (5), advance thick liquid pipe (5) front end and be connected with mud jacking pipe (6), be connected with out thick liquid pipe (7) on going out dressing trough (4), it is connected with U type play thick liquid pipe (8) to go out thick liquid pipe (7) front end, both ends have all seted up thread groove (9) around first grout groove (2) and second grout groove (201), are provided with shutoff piece (10) in thread groove (9).

2. The grouting system for the prestressed pipe as claimed in claim 1, wherein a rotating handle (1001) is mounted on the plugging member (10), a threaded hole (1002) is formed in the plugging member (10), and a prestressed rib (11) is arranged in the threaded hole (1002).

3. The grouting system for the prestressed pipe as claimed in claim 2, wherein the prestressed tendon (11) is provided with a thread (1101), and the prestressed tendon (11) is in threaded socket joint with the plugging piece (10) through the thread (1101).

4. The mud jacking system for the prestressed pipe as claimed in claim 1, wherein the rear end of said mud inlet tank (3) is connected with a U-shaped connecting pipe (301), and the mud inlet tank (3) is communicated with the mud outlet tank (4) through the U-shaped connecting pipe (301).

5. The grouting system for the prestressed pipe as claimed in claim 1, wherein a first valve (501) is mounted on the grout inlet pipe (5), a second valve (601) is mounted on the grouting pipe (6), and a third valve (701) is mounted on the grout outlet pipe (7).

6. The grouting system for the prestressed pipe as claimed in claim 1, wherein a water pipe (12) is connected to the grouting pipe (6), and a valve four (1201) is installed on the water pipe (12).