CN212405153U

CN212405153U - Adapter for grouting construction

Info

Publication number: CN212405153U
Application number: CN202022152871.9U
Authority: CN
Inventors: 林昊
Original assignee: Third Engineering Co Ltd of China Railway 14th Bureau Co Ltd
Current assignee: Third Engineering Co Ltd of China Railway 14th Bureau Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-01-26
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a slip casting construction adapter, which comprises a component A and at least one-way valve used in cooperation with the component A; the first pipe body is detachably connected with the grouting pipe, an external thread is arranged at one end of the first pipe body, and a first convex hexagonal column is fixedly connected to the outer wall of the first pipe body; one end of the second pipe body is in threaded connection with a one-way valve, the other end of the one-way valve is in threaded connection with the sounding pipe, and the outer wall of the second pipe body is connected with a second hexagonal column protruding outwards; the two ends of the valve switch are respectively in threaded connection with the first pipe body and the second pipe body; the first pipe body, the second pipe body and the valve switch form the component A. The utility model discloses can be effectively with sounding pipe and slip casting union coupling, have easy operation, convenient to use high efficiency, safe, economic characteristics, have simultaneously and proclaim oneself stifled function, make things convenient for the pressurize, can solve the pipe wall when causing hole bottom slip casting because of traditional construction mode and leak thick liquid, the not technological problem such as full of slip casting.

Description

Adapter for grouting construction

Technical Field

The utility model relates to a building engineering technical field, concretely relates to adapter for slip casting construction.

Background

With the acceleration of urbanization process in China, the construction industry is greatly developed, and projects with large volume and high difficulty emerge in large quantities. The pile foundation engineering belongs to underground engineering, the geological condition is complex and changeable, the concealment is strong, the variability of the pile forming process is large, therefore, the pile forming reliability is low, and the sound wave transmission method (hereinafter referred to as 'acoustic detection method') is a method for detecting the pile forming quality more reliably.

The post-grouting technology at the bottom of the pile can greatly improve the bearing capacity of a single pile and reduce the settlement of the foundation pile, and the application of the post-grouting technology is gradually wide in recent years. The hole bottom grouting construction technology of the acoustic pipe and the grouting pipe is a new effective method for improving the bearing capacity of a single pile, improving the production rate and saving the construction fund in urban expressway construction, and meets the national important guidelines on energy conservation and emission reduction.

However, the construction process of pile bottom grouting by using the sounding pipe as the grouting channel has the following problems: 1) the wall of the acoustic pipe is thin, and the acoustic pipe and the grouting pipe are effectively connected by generally using traditional welding on a construction site; however, the traditional welding construction process is difficult, time-consuming and labor-consuming, and seriously affects the pile foundation grouting speed, and 2) due to the large grouting pressure reaching 3Mpa and the large welding construction difficulty, grout is easily sprayed out from the joint in the grouting process; (3) after grouting is finished, in order to ensure grouting quality, pressure maintaining treatment is needed, although the existing grouting equipment has a pressure maintaining function, the grouting equipment cannot continuously work due to the fact that certain time is needed for pressure maintaining, construction speed and efficiency are reduced, how to seal and plug the end part of the sounding pipe so as to maintain pressure is achieved, the utilization rate of the grouting equipment is further improved, and the shortening of construction period is a problem to be considered.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the adapter for grouting construction is provided. The device can effectively connect the sounding pipe with the grouting pipe, has the characteristics of simple operation, convenient use, high efficiency, safety and economy, has a self-plugging function, and can solve the technical problems of pipe wall leakage, insufficient grouting and the like during hole bottom grouting caused by factors such as a traditional welding mode in the construction process.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a slip casting construction adapter, which comprises a component A and at least one-way valve used in cooperation with the component A;

the grouting pipe comprises a first pipe body detachably connected with a grouting pipe, wherein an external thread is arranged at one end of the first pipe body, and a first convex hexagonal column is fixedly connected to the outer wall of the first pipe body;

one end of the second pipe body is in threaded connection with a one-way valve, the other end of the one-way valve is in threaded connection with the sounding pipe, and the outer wall of the second pipe body is connected with a second outward-protruding hexagonal column;

the two ends of the valve switch are respectively in threaded connection with the first pipe body and the second pipe body;

the first tube body, the second tube body and the valve switch form the component A;

the check valve comprises a valve body, wherein a baffle table is arranged in the valve body and connected with the inner wall of the valve body to divide the inner space of the valve body into two parts; an overflow hole is formed in the center of the baffle table; a plug is arranged on one side of the overflow hole in a matched manner, a fixed seat is arranged on one side of the plug, and the fixed seat is connected with the inner wall of the valve body; a stepped hole is formed in the center of the fixed seat, a movable column is arranged in the stepped hole in a sliding mode, one end of the movable column is connected with the plug, and the other end of the movable column penetrates out of the stepped hole; the plug is characterized by further comprising a spring, wherein one end of the spring is connected with the plug, and the other end of the spring is connected with the fixed seat; the fixed seat is also provided with a slurry outlet.

Preferably, the shape of the plug is hemispherical.

Preferably, the spring is sleeved on the movable column, one end of the spring props against the end face of the plug, and the other end of the spring props against the hole shoulder of the stepped hole.

Preferably, the second hexagonal column is detachably sleeved on the second pipe body, an inner six-hole is formed in the second hexagonal column, and the outer wall of the connecting part of the second pipe body and the second hexagonal column is matched with the inner six-hole; the second hexagonal column freely moves out of the second pipe body through the inner six holes; and a second limiting retainer ring used for limiting the second hexagonal column is arranged on the outer wall of the second pipe body.

Preferably, a third hexagonal column is further fixed on the outer wall of the second pipe body.

The use method of the adapter for grouting construction comprises the following steps:

s1, correspondingly installing a one-way valve on each sounding pipe;

s2, connecting one component A with a grouting pipe of a set of grouting equipment;

s3, connecting the component A with one of the one-way valves, starting grouting equipment, detaching the component A from the one-way valve after grouting is completed, and then installing the component A on the other non-grouted one-way valve to complete grouting;

and S4, repeating the step S3 until all the sounding pipes are grouted.

Preferably, the method further comprises the following steps:

when the second hexagonal column is worn, the second hexagonal column is clamped on the third hexagonal column by a wrench, then the second pipe body is integrally disassembled, then the second hexagonal column is moved along the length direction of the second pipe body, the second hexagonal column is disassembled from the second pipe body, and then a new second hexagonal column is replaced; after the replacement is finished, the second pipe body is installed to the original position.

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

1. the utility model can effectively connect the sounding pipe with the grouting pipe, has the characteristics of simple operation, convenient and efficient use, safety and economy, and solves the technical problems of insufficient grouting caused by pipe wall leakage when grouting at the bottom of a hole due to factors such as the traditional welding mode in the construction process; meanwhile, the one-way valve is arranged, so that a plug in the one-way valve can automatically reset under the action of elasticity after grouting is finished, the one-way valve has a self-plugging function so as to maintain pressure, the utilization rate of grouting equipment is further improved, the pressure maintaining time does not need to be waited again, the construction speed is improved, and the construction period is shortened;

2. the utility model discloses a subassembly A can use with a plurality of check valves are supporting, when the slip casting, only need with the check valve on the crossover sub connect on the sounding pipe can, need not to install whole crossover sub whole on the sounding pipe, a subassembly A just can accomplish the slip casting to a plurality of sounding pipes, when making things convenient for the pressurize, the maximize saves the cost, has optimized the construction process, has improved the construction speed;

3. the first pipe body, the second pipe body, the valve switch and the one-way valve are arranged and connected in a threaded manner, so that the grouting joint is convenient to disassemble and assemble, when the grouting joint is damaged, the easily damaged part can be independently replaced, the whole grouting joint is not required to be discarded, and the cost is saved;

4. because the easy wearing and tearing of second hexagonal post after long-time the use warp, warp inconvenient and spanner joint after, can dismantle the cover through with second hexagonal post and establish on the second body, in case second hexagonal post can't form effective joint with the spanner, can change it, be convenient for maintain, save the cost.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is a view showing a structure of the split structure of the present invention shown in fig. 1.

Fig. 3 is a schematic structural diagram of the second embodiment of the present invention.

Fig. 4 is an enlarged schematic view of a sectional structure of the check valve in fig. 3.

Fig. 5 is a schematic diagram of the three structures of the present invention.

Fig. 6 is a schematic structural view of a second pipe body in the fourth embodiment of the present invention.

Fig. 7 is a schematic view of the six-hole structure of fig. 6.

Description of reference numerals:

1 a first tube; 2 a second tube; 3, opening and closing a valve; 4 a first hexagonal column; 5 a second hexagonal column; 51, six holes inside; 6 a third hexagonal column; 7, a first limit retainer ring; 8, a second limit retainer ring; 9 extending the tube; 10 a one-way valve; 101 a valve body; 102 a blocking platform; 1021 an overflow aperture; 103 plug; 104 moving the column; 105 springs; 106 a fixed seat; 1061 a stepped bore; 1062 pulp outlet.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 invention, and should not be construed as limiting the present invention.

Example one

As shown in fig. 1-2, the crossover sub is used in slip casting construction that this embodiment provided includes and can dismantle first body 1 of being connected with the mud jacking pipe, and the one end of first body 1 is provided with the external screw thread, and when the mud jacking pipe was the steel pipe, can directly set up the internal thread at mud jacking pipe tip, adopts threaded connection's mode, realizes the fixed of first body 1 and mud jacking pipe.

In order to rotate the first pipe body 1 conveniently, the outer wall of the first pipe body 1 is fixedly connected with a convex first hexagonal column 4, and when the first hexagonal column is disassembled and assembled, the first hexagonal column 4 is clamped by a shifting wrench, so that the first pipe body 1 can be rotated conveniently.

And the second pipe body 2 is in threaded connection with the sounding pipe, the outer wall of the sounding pipe is provided with an external thread, the inner wall of one end of the second pipe body 2 is provided with an internal thread matched with the sounding pipe, and the second pipe body 2 is connected with the sounding pipe in a threaded connection mode.

In order to rotate the second pipe body 2 conveniently, the second hexagonal column 5 protruding outwards is welded on the outer wall of the second pipe body 2, and when the second hexagonal column is disassembled and assembled, the second hexagonal column 5 is clamped by a shifting wrench, so that the second pipe body 2 can be rotated conveniently.

The grouting joint further comprises a valve switch 3, wherein two ends of the valve switch 3 are respectively in threaded connection with the first pipe body 1 and the second pipe body 2, so that a complete grouting joint is formed, and the valve switch 3 can be a long-handle ball valve. The setting of valve switch 3 can conveniently adjust the slip casting flow on the one hand, and on the other hand, closes valve switch 3 and can carry out the pressurize after the slip casting is accomplished, improves the slip casting quality.

Still fixed welding has third hexagonal post 6 on the one end outer wall of second body 2, increases a point of application of force, and the diameter of second hexagonal post 5 will be greater than the diameter of third hexagonal post 6, and second hexagonal post 5 is as the point of application of force commonly used, and when second hexagonal post 5 appeared wearing and tearing can't normally joint with the spanner, third hexagonal post 6 was as reserve use.

Still can be provided with first spacing retaining ring 7 on the 1 outer wall of first body, first spacing retaining ring 7 links to each other with first hexagonal column 4, and when the assembly, first spacing retaining ring 7 is used for spacing to the mud jacking pipe tip.

Similarly, the outer wall of one end of the second pipe body 2 is provided with a second limiting retainer ring 8 for limiting the second hexagonal column 5, and since the second hexagonal column 5 is welded to the outer wall of the second pipe body 2 in the embodiment, the second limiting retainer ring 8 may or may not be provided.

Therefore, the device can effectively connect the sounding pipe with the grouting pipe, has the characteristics of simple operation, convenient and efficient use, safety and economy, and can solve the technical problems of pipe wall leakage, insufficient grouting and the like during bottom grouting due to the pipe wall thickness, the connection mode and other factors in the construction process; through setting up first body 1, second body 2 and valve switch 3, and connect through the mode of spiro union between the three, make things convenient for the dismouting, when the mud jacking joint damaged, can change the part of easy damage alone, need not whole abandonment, practiced thrift the cost.

Example two

3-4, although the valve switch 3 is provided in the first embodiment, after grouting is completed, the valve switch 3 can also be closed to seal and maintain pressure, but manual closing is required, and further improvement is needed in terms of convenience in use, so on the basis of the first embodiment, the inventor further optimizes the first embodiment and provides another adapter for grouting construction, which comprises a component a and at least one-way valve 10 used in cooperation with the component a;

can dismantle first body 1 of being connected with the mud jacking pipe, the one end of first body 1 is provided with the external screw thread, and fixedly connected with evagination's first hexagonal post 4 on the 1 outer wall of first body.

The one end threaded connection of second body 2, second body 2 has check valve 10, and the check valve 10 other end and sounding pipe looks threaded connection are connected with the second hexagonal post 5 of evagination on the second body outer wall.

The two ends of the valve switch 3 are respectively in threaded connection with the first pipe body 1 and the second pipe body 2.

The first pipe body 1, the second pipe body 2 and the valve switch 3 form the component A.

The check valve 10 comprises a valve body 101, a baffle table 102 is arranged in the valve body 101, and the baffle table 102 is connected with the inner wall of the valve body 101 to divide the inner space of the valve body 101 into two parts; an overflow hole 1021 is formed in the center of the baffle table 102 and is used for communicating cavities on the left side and the right side of the baffle table 102; a plug 103 is arranged on one side of the overflow hole 1021 in a matching manner, the plug 103 can be arranged in a hemispherical shape, and the plug 103 is used for plugging the overflow hole 1021; a fixed seat 106 is arranged on one side of the plug 103, and the fixed seat 106 is connected with the inner wall of the valve body 101; a stepped hole 1061 is formed in the center of the fixing seat 106, a movable column 104 is slidably disposed in the stepped hole 1061, one end of the movable column 104 is connected to the plug 103, the other end of the movable column passes through the stepped hole 1061, and the movable column 104 can freely slide in the stepped hole 1061; the plug structure further comprises a spring 105, one end of the spring 105 is connected with the plug 103, the other end of the spring 105 is connected with the fixed seat 106, specifically, the spring 105 is sleeved on the movable column 104, one end of the spring 105 props against the end face of the plug 103, and the other end of the spring 105 props against a hole shoulder of the stepped hole 1061.

The fixing base 106 is further provided with slurry outlet holes 1062, and the number of the slurry outlet holes 1062 is 2 and the holes are symmetrically arranged. The slurry flows out of the valve body 101 through the overflow hole 1021 and the slurry outlet 1062. In the non-working state, the plug 103 is tightly supported on the block 102 under the action of the elastic force of the spring 105 to block the overflow hole 1021.

When the slurry flow detector is used, after slurry enters the one-way valve 10, the plug 103 is pushed open under the action of pumping pressure, so that the plug 103 is separated from the baffle table 102, the plug 103 compresses the spring 105 and moves towards the direction close to the fixed seat 106, and the slurry flows into a cavity between the fixed seat 106 and the baffle table 102 through the overflow hole 1021 and then flows to the sound measuring pipe through the slurry outlet hole 1062.

Through being equipped with check valve 10, make it have from the shutoff function, when slip casting completion back, quick automatic re-setting is twisted soon to end cap 103 under the effect of spring 105 elasticity, need not to hand, labour saving and time saving.

In addition, after grouting is finished, the valve switch 3 is closed, and the one-way valve 10 is matched for use, so that a double pressure maintaining effect is achieved, slurry return is prevented, grouting quality is improved, and the grouting effect is better.

EXAMPLE III

As shown in fig. 5, on the basis of the second embodiment, the end of the first pipe body 1 having the external thread is connected with the extension pipe 9, when the grouting pipe is a hose, the extension pipe cannot be directly connected with the grouting joint, and an indirect connection mode of a connection pipe can be adopted, when the grouting pipe is used, the other end of the extension pipe 9 is extended into the grouting pipe, the pipe clamp is sleeved outside the grouting pipe, and the extension pipe 9 and the grouting pipe are fixedly connected through the pipe clamp. The pipe clamp can adopt a pipe clamp commonly used in the market.

Example four

As shown in fig. 6-7, on the basis of the second embodiment, considering that the grouting joint is frequently disassembled and assembled, and the second hexagonal column 5 is a common stress point, the second hexagonal column 5 is easily deformed, i.e. the wrench cannot be fastened on the second hexagonal column 5, so that the second hexagonal column cannot be screwed down, but because of the small point problem, the whole grouting joint is thrown away, and then great waste is caused, so as to solve the problem, the inventor further optimizes the grouting joint, and detachably sleeves the second hexagonal column 5 on the second pipe body 2, and the concrete structure is as follows: an inner six-hole 51 is formed in the second hexagonal column 5, and a protrusion is formed on the outer wall of the connecting part of the second pipe body 2 and the second hexagonal column 5, is in a hexagonal nut shape and is matched with the inner six-hole 51; the external diameter that interior six holes 51's aperture is greater than third hexagonal post 6 is less than the diameter of second spacing retaining ring 8, and outside second hexagonal post 5 can freely pass third hexagonal post 6 and remove second body 2 through interior six holes 51 like this, the convenient change that realizes second hexagonal post 5.

And a second limiting retainer ring 8 used for limiting the second hexagonal column 5 is arranged on the outer wall of the second pipe body 2.

When changing second hexagonal column 5, pull down second body 2, slide second hexagonal column 5 and move outside second body 2 always, then wear to establish third hexagonal column 6 joints with new second hexagonal column 5 on 2 outer walls of second body, accomplish the change.

In this embodiment, the second limit stop 8 must be provided to facilitate the limit of the second hexagonal socket 5.

s1, correspondingly installing a one-way valve on each sounding pipe;

and S4, repeating the step S3 until all the sounding pipes are grouted.

In addition, when the second hexagonal column 5 is worn, a wrench is used for clamping the third hexagonal column 6, then the second pipe body 2 is integrally disassembled, then the second hexagonal column 5 is moved along the length direction of the second pipe body 2, the second hexagonal column 5 is disassembled from the second pipe body 2, and then a new second hexagonal column 5 is replaced; after the replacement is completed, the second pipe body 2 is installed back to the original position.

The utility model discloses well a subassembly A can with a plurality of check valve 10 supporting uses, when carrying out the slip casting, only need with the check valve 10 connection on the crossover sub on the sounding pipe can, need not to install whole crossover sub integral erection on the sounding pipe, a subassembly A just can accomplish the slip casting to a plurality of sounding pipes, in the time of making things convenient for the pressurize, the cost of having saved of maximize, construction process has been optimized, can improve the utilization ratio of mud jacking equipment, need not wait for the pressurize time again, continuous mud jacking has been realized, construction speed is improved, the construction cycle is shortened.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A slip casting construction adapter is characterized by comprising an assembly A and at least one-way valve matched with the assembly A;

2. The adapter as claimed in claim 1, wherein the plug is shaped as a hemisphere.

3. The adapter according to claim 1, wherein the spring is sleeved on the movable column, one end of the spring is supported on the end surface of the plug, and the other end of the spring is supported on the hole shoulder of the stepped hole.

4. The adapter for grouting construction as claimed in claim 1, wherein the second hexagonal column is detachably sleeved on the second pipe body, an inner six holes are formed in the second hexagonal column, and an outer wall of a connecting part of the second pipe body and the second hexagonal column is matched with the inner six holes; the second hexagonal column freely moves out of the second pipe body through the inner six holes; and a second limiting retainer ring used for limiting the second hexagonal column is arranged on the outer wall of the second pipe body.

5. The adapter according to claim 4, wherein a third hexagonal post is further fixed to an outer wall of the second pipe body.