CN208219660U - A kind of drilling post-pressure grouting slurry casting machine - Google Patents
A kind of drilling post-pressure grouting slurry casting machine Download PDFInfo
- Publication number
- CN208219660U CN208219660U CN201820786249.3U CN201820786249U CN208219660U CN 208219660 U CN208219660 U CN 208219660U CN 201820786249 U CN201820786249 U CN 201820786249U CN 208219660 U CN208219660 U CN 208219660U
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- China
- Prior art keywords
- injected hole
- grouting pipe
- grouting
- sealing
- pressure
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model relates to a kind of drilling post-pressure grouting slurry casting machines, belong to construction foundation working apparatus field, solve the problems, such as that slurry casting machine is easy blocking, including hollow Grouting Pipe, Grouting Pipe is equipped with multiple groups injected hole, every group of injected hole includes the injected hole that multiple tube walls along Grouting Pipe circumferentially uniformly open up, sealing element is inserted in injected hole, sealing element includes the guide rod that diameter is less than injected hole aperture, it is fixedly arranged on the sealing that one end that guide rod stretches out outside injected hole is used to close injected hole, the elastic component of the state for driving sealing to keep sealing injected hole is provided in Grouting Pipe, Grouting Pipe upper end is equipped with grouting port, bottom end closure.When grouting pressure reduces or does not have started slip casting, the pressure of elastic component drives sealing fitting Grouting Pipe and seals injected hole, it to be effectively prevented from soil and powder on pit bottom sand enters Grouting Pipe, prevents the blocking of injected hole and influences slurry casting machine normal work, avoid influencing construction progress.
Description
Technical field
The utility model relates to construction foundation working apparatus field, in particular to a kind of drilling post-pressure grouting slurry casting machine.
Background technique
Currently, in drilled pile construction, it is most of that bearing capacity of pile is improved using post grouting process, reduce pile body sedimentation
Amount, to reduce a number, reduce cost and shorten the construction period.And the quality and slurry casting machine of bored pile with groutpour have close pass
System.
The slurry casting machine of existing grouting behind shaft or drift lining is made according to the actual conditions of each engineering, and simple slip casting is generally used
Valve, leakproofness is poor, and in practice of construction, slurry casting machine will appear various problems, especially soil and powder on pit bottom sand is easy to pour in note
Slurry pipe, causes slurry casting machine to block, to influence slurry casting machine normal work, extends construction period to a certain extent and increases work
Journey cost.
Utility model content
The purpose of this utility model is to provide a kind of drilling post-pressure grouting slurry casting machines, and slurry casting machine is effectively prevent to block
The advantages of.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of drilling post-pressure grouting slurry casting machine, including hollow Grouting Pipe, the Grouting Pipe is equipped with multiple groups injected hole, often
Group injected hole includes the injected hole that multiple tube walls along Grouting Pipe circumferentially uniformly open up, and is inserted with sealing element in the injected hole,
The sealing element includes the guide rod that diameter is less than injected hole aperture, is fixedly arranged on one end that the guide rod stretches out outside injected hole and uses
In the bullet for being provided with the state for driving sealing to keep sealing injected hole on the sealing of closing injected hole, the Grouting Pipe
Property part, the Grouting Pipe upper end be equipped with grouting port, bottom end closure.
Implement above-mentioned technical proposal, in use, by under the bed mud soil of Grouting Pipe insertion drilled pile hole, by grouting port to slip casting
Cement slurry in pipe after injection pressurization, and guide rod and sealing move under the pressure of cement slurry to outside injected hole, sealing
Outwardly against elastic component and make to form the gap passed through for cement slurry between sealing and the tube wall of Grouting Pipe, to keep cement slurry slow
In the slow injection soil body, and when grouting pressure reduces or do not have started slip casting, the pressure of elastic component drives sealing to be bonded slip casting
Injected hole is managed and sealed, to be effectively prevented from soil and powder on pit bottom sand enters Grouting Pipe, the blocking of injected hole is prevented and influences
Slurry casting machine works normally, and avoids influencing construction progress.
Preferably, the elastic component is set as rubber ring, the rubber ring sleeve be set on the outer wall of Grouting Pipe and with sealing
Portion compresses.
Implement above-mentioned technical proposal, when elastic component is set as rubber ring, production and processing is convenient, and cost is relatively low, and installation side
Just.
Preferably, the sealing is installed with the connection for being used to connect rubber ring across rubber ring far from the end face of Grouting Pipe
Bar.
Implement above-mentioned technical proposal, the setting of connecting rod connect rubber ring with sealing, prevents rubber ring along Grouting Pipe
Tube wall slides and is detached from sealing, keeps that rubber ring is good to sealing compresses state.
Preferably, the connecting rod top is provided with convenient for piercing through the point of rubber ring.
Implement above-mentioned technical proposal, when rubber ring is installed, rubber ring sleeve is located in Grouting Pipe, and mobile rubber ring makes it
Face point, and rubber ring is pressed, so that point is pierced through rubber ring, so that connecting rod is connect with rubber ring, the peace of rubber ring
It fills simple and convenient.
Preferably, area of the point close to the end face of connecting rod is greater than the area of the cross section of connecting rod.
Implement above-mentioned technical proposal, area of the point close to the end face of connecting rod is larger, to be effectively prevented rubber
Circle is disconnected bar easily, guarantees that rubber ring is good to sealing and compresses effect.
Preferably, the sealing is set as the arcwall face being bonded with the tube wall of Grouting Pipe close to the end face of Grouting Pipe.
Implement above-mentioned technical proposal, under normality, the pressure of rubber ring drives sealing to compress Grouting Pipe, and arcwall face is set
Setting is bonded sealing with slip casting tube wall, improves sealing to the sealing effect of injected hole, is effectively prevented silt and enters note
Slurry pipe.
Preferably, the Grouting Pipe bottom end is provided with the closing point of taper.
Implement above-mentioned technical proposal, under the soil that the setting for closing point facilitates Grouting Pipe insertion drilled pile to cheat bottom.
Preferably, it is located on the outer wall of the Grouting Pipe under injected hole and is fixedly installed mud retaining ring, the Grouting Pipe
On outer wall and it is located on injected hole and is fixedly installed pressure ring, the diameter of the mud retaining ring and pressure ring is all larger than the straight of Grouting Pipe
Diameter.
Implement above-mentioned technical proposal, when under the soil at Grouting Pipe insertion drilled pile hole bottom, the setting of mud retaining ring and pressure ring
Make to form loose slip casting area between Grouting Pipe and the soil body, facilitates the diffusion of cement slurry.
Preferably, more reinforcing rods are fixedly connected between the mud retaining ring and pressure ring.
Implement above-mentioned technical proposal, the setting of reinforcing rod increases the intensity of mud retaining ring and pressure ring, is effectively prevented gear mud
Ring and pressure ring deform.
In conclusion the utility model drills in contrast to having the beneficial effect that in use, Grouting Pipe is inserted into for the prior art
Under the bed mud soil of stake hole, the cement slurry after injecting pressurization into Grouting Pipe by grouting port, and guide rod and sealing are in cement slurry
Pressure under moved to outside injected hole, sealing outwardly against elastic component and make between sealing and the tube wall of Grouting Pipe formed supply water
The gap that mud passes through, so that it is slowly injected into cement slurry in the soil body, and when grouting pressure reduces or do not have started slip casting, bullet
Property part pressure drive sealing fitting Grouting Pipe and to seal injected hole, to be effectively prevented from soil and powder on pit bottom sand enters note
Slurry pipe prevents the blocking of injected hole and influences slurry casting machine normal work, avoids influencing construction progress.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the explosive view of the utility model embodiment；
Fig. 3 is the portion the A enlarged drawing in Fig. 2.
Appended drawing reference: 1, Grouting Pipe；11, injected hole；12, grouting port；13, closing point；2, sealing element；21, guide rod；
22, sealing；221, connecting rod；2211, point；222, arcwall face；3, rubber ring；4, mud retaining ring；5, pressure ring；6, reinforce
Bar.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Embodiment:
As shown in Figure 1, a kind of drilling post-pressure grouting slurry casting machine, including hollow Grouting Pipe 1, referring to Fig. 3, in Grouting Pipe 1
Equipped with multiple groups injected hole 11, every group of injected hole 11 includes the injected hole 11 that multiple tube walls along Grouting Pipe 1 circumferentially uniformly open up, note
It starches to be located under injected hole 11 on the outer wall of pipe 1 and is fixedly installed mud retaining ring 4, on the outer wall of Grouting Pipe 1 and be located at injected hole 11
On be fixedly installed pressure ring 5, the diameter of mud retaining ring 4 and pressure ring 5 is all larger than the diameter of Grouting Pipe 1, mud retaining ring 4 and pressure ring 5 it
Between be fixedly connected with more reinforcing rods 6.
When under the soil that Grouting Pipe 1 is inserted into drilled pile hole bottom, the setting of mud retaining ring 4 and pressure ring 5 makes Grouting Pipe 1 and the soil body
Between form loose slip casting area, facilitate the diffusion of cement slurry；And the setting of reinforcing rod 6 increases the strong of mud retaining ring 4 and pressure ring 5
Degree, is effectively prevented mud retaining ring 4 and pressure ring 5 deforms.
As shown in Figure 2,3, sealing element 2 is inserted in injected hole 11, sealing element 2 includes that diameter is less than 11 aperture of injected hole
Guide rod 21 is fixedly arranged on guide rod 21 and stretches out the sealing 22 that the outer one end of injected hole 11 is used to close injected hole 11, sealing 22
End face close to Grouting Pipe 1 is set as the arcwall face 222 being bonded with the tube wall of Grouting Pipe 1；The setting of arcwall face 222 makes sealing
22 are bonded with 1 tube wall of Grouting Pipe, improve sealing 22 to the sealing effect of injected hole 11, are effectively prevented silt and enter Grouting Pipe
1。
As shown in Figure 2,3, the bullet of the state for driving sealing 22 to keep sealing injected hole 11 is provided in Grouting Pipe 1
Property part, elastic component are set as rubber ring 3, and rubber ring 3 is sheathed on the outer wall of Grouting Pipe 1 and compresses with sealing 22；Rubber ring 3
Cost is relatively low and easy for installation.1 upper end of Grouting Pipe is equipped with grouting port 12, bottom end closure, and is provided with the closing point 13 of taper, with
Grouting Pipe 1 is facilitated to be inserted under the soil at drilled pile hole bottom.
Specific work process: in use, Grouting Pipe 1 is inserted under the bed mud soil of drilled pile hole, by grouting port 12 to slip casting
Cement slurry in pipe 1 after injection pressurization, and guide rod 21 and sealing 22 move under the pressure of cement slurry to outside injected hole 11,
Sealing 22 is outwardly against elastic component and makes to form the gap passed through for cement slurry between sealing 22 and the tube wall of Grouting Pipe 1, from
And it is slowly injected into cement slurry in the soil body, and when grouting pressure reduces or do not have started slip casting, the pressure of rubber ring 3 drives close
Envelope portion 22 is bonded Grouting Pipe 1 and simultaneously seals injected hole 11, to be effectively prevented from soil and powder on pit bottom sand enters Grouting Pipe 1, prevents
The blocking of injected hole 11 and influence slurry casting machine normal work, avoid influence construction progress.
As shown in Figure 2,3, sealing 22 is installed with across rubber ring 3 far from the end face of Grouting Pipe 1 for connecting rubber ring 3
Connecting rod 221；The setting of connecting rod 221 connect rubber ring 3 with sealing 22, prevents rubber ring 3 along 1 tube wall of Grouting Pipe
It slides and is detached from sealing 22, keep that rubber ring 3 is good to sealing 22 compresses state.
As shown in Figure 2,3,221 top of connecting rod is provided with convenient for piercing through the point 2211 of rubber ring 3, point 2211
Area close to the end face of connecting rod 221 is greater than the area of the cross section of connecting rod 221.
When rubber ring 3 is installed, rubber ring 3 is set in Grouting Pipe 1, and mobile rubber ring 3 makes its face point
2211, and rubber ring 3 is pressed, so that point 2211 is pierced through rubber ring 3, so that connecting rod 221 is connect with rubber ring 3, rubber ring 3
Installation it is simple and convenient；And area of the point 2211 close to the end face of connecting rod 221 is larger, to be effectively prevented rubber ring
3 are disconnected bar 221 easily, guarantee that rubber ring 3 is good to sealing 22 and compress effect.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the protection scope of the utility model is determined by the attached claims.
Claims (9)
1. a kind of drilling post-pressure grouting slurry casting machine, including hollow Grouting Pipe (1), characterized in that the Grouting Pipe (1) is equipped with
Multiple groups injected hole (11), every group of injected hole (11) include the injected hole that multiple tube walls along Grouting Pipe (1) circumferentially uniformly open up
(11), it is inserted with sealing element (2) in the injected hole (11), the sealing element (2) includes that diameter is less than injected hole (11) aperture
Guide rod (21), be fixedly arranged on the guide rod (21) and stretch out injected hole (11) outer one end for closing the close of injected hole (11)
Envelope portion (22) is provided with the bullet of the state for driving sealing (22) to keep sealing injected hole (11) on the Grouting Pipe (1)
Property part, Grouting Pipe (1) upper end be equipped with grouting port (12), bottom end closure.
2. a kind of drilling post-pressure grouting slurry casting machine according to claim 1, characterized in that the elastic component is set as rubber
It encloses (3), the rubber ring (3) is sheathed on the outer wall of Grouting Pipe (1) and compresses with sealing (22).
3. a kind of drilling post-pressure grouting slurry casting machine according to claim 2, characterized in that the sealing (22) is far from note
The end face of slurry pipe (1) is installed with the connecting rod (221) for being used to connect rubber ring (3) across rubber ring (3).
4. a kind of drilling post-pressure grouting slurry casting machine according to claim 3, characterized in that connecting rod (221) top
It is provided with convenient for piercing through the point (2211) of rubber ring (3).
5. a kind of drilling post-pressure grouting slurry casting machine according to claim 4, characterized in that the point (2211) is close
The area of the end face of connecting rod (221) is greater than the area of the cross section of connecting rod (221).
6. a kind of drilling post-pressure grouting slurry casting machine according to claim 1, characterized in that the sealing (22) is close to note
The end face of slurry pipe (1) is set as the arcwall face (222) being bonded with the tube wall of Grouting Pipe (1).
7. a kind of drilling post-pressure grouting slurry casting machine according to claim 1, characterized in that Grouting Pipe (1) bottom end is set
The closing for being equipped with taper is sharp (13).
8. a kind of drilling post-pressure grouting slurry casting machine according to claim 1, characterized in that the outer wall of the Grouting Pipe (1)
It is upper to be fixedly installed mud retaining ring (4) under injected hole (11), on the outer wall of the Grouting Pipe (1) and it is located at injected hole (11)
On be fixedly installed pressure ring (5), the diameter of the mud retaining ring (4) and pressure ring (5) is all larger than the diameter of Grouting Pipe (1).
9. a kind of drilling post-pressure grouting slurry casting machine according to claim 8, characterized in that the mud retaining ring (4) and pressure ring
(5) more reinforcing rods (6) are fixedly connected between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820786249.3U CN208219660U (en) | 2018-05-24 | 2018-05-24 | A kind of drilling post-pressure grouting slurry casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820786249.3U CN208219660U (en) | 2018-05-24 | 2018-05-24 | A kind of drilling post-pressure grouting slurry casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208219660U true CN208219660U (en) | 2018-12-11 |
Family
ID=64506028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820786249.3U Expired - Fee Related CN208219660U (en) | 2018-05-24 | 2018-05-24 | A kind of drilling post-pressure grouting slurry casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208219660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005872A (en) * | 2019-04-23 | 2019-07-12 | 河海大学 | A kind of integral pipe and its operating method transported with slip casting |
-
2018
- 2018-05-24 CN CN201820786249.3U patent/CN208219660U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005872A (en) * | 2019-04-23 | 2019-07-12 | 河海大学 | A kind of integral pipe and its operating method transported with slip casting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20200524 |