CN213358623U - Pile foundation post-grouting construction grouting joint - Google Patents
Pile foundation post-grouting construction grouting joint Download PDFInfo
- Publication number
- CN213358623U CN213358623U CN202022153825.0U CN202022153825U CN213358623U CN 213358623 U CN213358623 U CN 213358623U CN 202022153825 U CN202022153825 U CN 202022153825U CN 213358623 U CN213358623 U CN 213358623U
- Authority
- CN
- China
- Prior art keywords
- pipe
- grouting
- pipe body
- wall
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a grouting joint for pile foundation post-grouting construction, which 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 an outward-convex first hexagonal column is fixedly connected to the outer wall of the first pipe body; the second pipe body is in threaded connection with the sound measuring pipe, an inner thread matched with the sound measuring pipe is arranged on the inner wall of one end of the second pipe body, and a second convex hexagonal column is connected to the outer wall of the second pipe body; and two ends of the valve switch are respectively in threaded connection with the first pipe body and the second pipe body to form the grouting joint. 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 hole bottom grouting due to factors such as pipe wall thickness, connection mode and the like in the construction process.
Description
Technical Field
The utility model relates to a building engineering technical field, concretely relates to pile foundation back slip casting is mud jacking joint for 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; but the traditional welding construction process is not only difficult, but also time-consuming and labor-consuming, which seriously affects the pile foundation grouting speed, and 2) due to the large grouting pressure reaching 3Mpa and the large welding construction difficulty, the grouting liquid is easily sprayed out from the joint in the grouting process.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the grouting joint for pile foundation post-grouting construction is provided. 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 hole bottom grouting due to factors such as pipe wall thickness, connection mode and the like in the construction process.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a slip casting joint is used in slip casting construction behind pile foundation, include:
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;
the second pipe body is in threaded connection with the sound measuring pipe, an inner thread matched with the sound measuring pipe is arranged on the inner wall of one end of the second pipe body, and a second convex hexagonal column is connected to the outer wall of the second pipe body;
and two ends of the valve switch are respectively in threaded connection with the first pipe body and the second pipe body to form the grouting joint.
Preferably, the external thread end of the first pipe body is connected with an extension pipe, the other end of the extension pipe extends into the grouting pipe, and a pipe clamp is sleeved outside the grouting pipe to fixedly connect the extension pipe and the grouting pipe.
Preferably, the valve switch is a long-handle ball valve.
Preferably, a first limiting retainer ring is arranged on the outer wall of the first pipe body, and the first limiting retainer ring is connected with the first hexagonal column.
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 can solve the technical problems of pipe wall leakage, insufficient grouting and the like when grouting at the bottom of a hole due to factors such as pipe wall thickness, connection mode and the like in the construction process;
2. the first pipe body, the second pipe body and the valve switch are arranged and connected in a screwed connection mode, 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;
3. the device is through setting up the valve switch, can conveniently adjust the slip casting flow on the one hand, and on the other hand, closes the valve switch and can carry out the pressurize after the slip casting is accomplished, improves the slip casting quality.
4. When the mud jacking pipe is the hose, inconvenient and the utility model discloses be connected, through the extension pipe of supporting setting, can effectively solve this problem.
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 a schematic diagram of the three structures of the present invention.
Fig. 5 is a schematic view of the six-hole structure of fig. 4.
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.
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 mud jacking joint for pile foundation post-grouting construction that this embodiment provided includes the first body 1 of dismantling the connection 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 the 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
As shown in fig. 3, on the basis of the first 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 first pipe body 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 III
As shown in fig. 4-5, on the basis of the first 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 to 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.
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.
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. In this embodiment, the second limit stop 8 must be provided to facilitate the limit of the second hexagonal socket 5.
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 (4)
1. The utility model provides a pile foundation post-grouting slip casting is with mud jacking joint which characterized in that includes:
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;
the second pipe body is in threaded connection with the sound measuring pipe, an inner thread matched with the sound measuring pipe is arranged on the inner wall of one end of the second pipe body, and a second convex hexagonal column is connected to the outer wall of the second pipe body;
and two ends of the valve switch are respectively in threaded connection with the first pipe body and the second pipe body to form the grouting joint.
2. The grouting joint for pile foundation post-grouting construction according to claim 1, wherein an extension pipe is connected to the external thread end of the first pipe body, the other end of the extension pipe extends into the grouting pipe, and a pipe clamp is sleeved outside the grouting pipe to fixedly connect the extension pipe and the grouting pipe.
3. The grouting joint for pile foundation post-grouting construction according to claim 1, wherein the valve switch is a long-handle ball valve.
4. The grouting joint for pile foundation post-grouting construction according to claim 1, wherein a first limiting retainer ring is arranged on the outer wall of the first pipe body, and the first limiting retainer ring is connected with the first hexagonal column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022153825.0U CN213358623U (en) | 2020-09-27 | 2020-09-27 | Pile foundation post-grouting construction grouting joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022153825.0U CN213358623U (en) | 2020-09-27 | 2020-09-27 | Pile foundation post-grouting construction grouting joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213358623U true CN213358623U (en) | 2021-06-04 |
Family
ID=76155993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022153825.0U Active CN213358623U (en) | 2020-09-27 | 2020-09-27 | Pile foundation post-grouting construction grouting joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213358623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114875893A (en) * | 2022-04-28 | 2022-08-09 | 中煤江南建设发展集团有限公司 | Post-grouting construction process for cast-in-situ bored pile |
-
2020
- 2020-09-27 CN CN202022153825.0U patent/CN213358623U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114875893A (en) * | 2022-04-28 | 2022-08-09 | 中煤江南建设发展集团有限公司 | Post-grouting construction process for cast-in-situ bored pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208379580U (en) | It expands bolt pin type connector and pile for prestressed pipe expands bolt pin type mechanical connecting structure | |
| CN213358623U (en) | Pile foundation post-grouting construction grouting joint | |
| CN112610755B (en) | Waterproof sleeve for horizontal through-wall pipeline and leakage detection method thereof | |
| CN201753606U (en) | Dual-purpose grouting pipe for deep and shallow holes | |
| CN208804392U (en) | A kind of novel system split tube method and repair underground piping | |
| CN201130168Y (en) | Ultrasound wave detecting tube | |
| CN109519151B (en) | Splitting grouting hole sealing device and method suitable for collapsible loess field | |
| CN213358590U (en) | Self-sealing grouting joint for pile foundation post-grouting construction | |
| CN212405153U (en) | Adapter for grouting construction | |
| CN200978626Y (en) | Hydraulic extrusion diameter-changing drill jig | |
| CN201288906Y (en) | Steel oil pipe opening flange code | |
| CN2632148Y (en) | Bowl-shaped tip of prestressed high strength concrete tubular piles | |
| CN211599909U (en) | Plugging device for pressure test of lining pipe | |
| CN204023803U (en) | A kind of steel column and reinforced concrete structured beam bar connecting construct | |
| CN112012215A (en) | Adapter for grouting construction and using method thereof | |
| CN201462253U (en) | Plug bush clamping pressure self sealing acoustic pipe and pipe joint | |
| CN211117955U (en) | Puller device adopting pneumatic impact tube bursting method | |
| CN208152113U (en) | A kind of bamboo joint type basket for cement mixing pile coring | |
| CN217268780U (en) | Built-in bolt type finalized wall connecting device | |
| CN213233565U (en) | High leakproofness pile foundation quality detection pipe | |
| CN202790905U (en) | Pipeline crossing device for pipeline crossing construction | |
| CN110630292A (en) | Hole sealing and grouting reinforcement device and method for fractured coal rock mass | |
| CN215759566U (en) | Round CFRP steel pipe concrete column-steel beam node | |
| CN217810948U (en) | Water stopping device for freezing method construction | |
| CN213331173U (en) | Drilling orifice gas drainage cross |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |