CN113152900A - Backflow-preventing grouting gun joint and mounting method thereof - Google Patents

Backflow-preventing grouting gun joint and mounting method thereof Download PDF

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Publication number
CN113152900A
CN113152900A CN202110515757.4A CN202110515757A CN113152900A CN 113152900 A CN113152900 A CN 113152900A CN 202110515757 A CN202110515757 A CN 202110515757A CN 113152900 A CN113152900 A CN 113152900A
Authority
CN
China
Prior art keywords
backflow
grout
slurry
grouting
preventing
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.)
Pending
Application number
CN202110515757.4A
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Chinese (zh)
Inventor
马跃强
张秀翔
张纬伦
房国琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Construction No 2 Group Co Ltd
Original Assignee
Shanghai Construction No 2 Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Construction No 2 Group Co Ltd filed Critical Shanghai Construction No 2 Group Co Ltd
Priority to CN202110515757.4A priority Critical patent/CN113152900A/en
Publication of CN113152900A publication Critical patent/CN113152900A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04Devices for both conveying and distributing
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162Connectors or means for connecting parts for reinforcements
    • E04C5/163Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
    • E04C5/165Coaxial connection by means of sleeves

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

The invention provides a backflow-preventing grouting gun connector and an installation method thereof, wherein the backflow-preventing grouting gun connector comprises the following steps: the outer interface comprises a first cylinder and a first cone; an inner port comprising a second cylinder and a second cone. The device is very simple, low in cost and low in failure rate; the operation of workers is simple; can promote the efficiency of construction, one person both can operate. The invention solves the problem of slurry backflow when the grouting gun is pulled out after grouting is finished, and can effectively prevent the slurry backflow when the grouting gun is pulled out. Compared with a compensation method, the invention can solve the problem from the source.

Description

Backflow-preventing grouting gun joint and mounting method thereof
Technical Field
The invention relates to a backflow-preventing grouting gun connector and an installation method thereof.
Background
The grouting sleeve is a combination assembled by a specially processed sleeve, matched grouting materials and reinforcing steel bars, and the reinforcing steel bars and the sleeve are connected by means of the bonding and meshing action between materials through injecting the quick-hardening non-shrinkage grouting materials when the reinforcing steel bars are connected. The sleeve grouting joint has the advantages of reliable performance, wide applicability, simplicity and convenience in installation and the like.
Generally in the grout construction, can extract the grouting gun from the grout mouth after stopping the grout, at this moment in the short time, can take place the condition of thick liquids backward flow, thick liquids follow grout mouthful outflow, lead to appearing the cavity in the sleeve, influence the grout quality, leave the potential safety hazard. Normally, a constructor is oblivious to the situation or adds a slurry compensator at a slurry outlet, but the compensator is troublesome to be installed each time.
Disclosure of Invention
The invention aims to provide a backflow-preventing grouting gun connector and an installation method thereof.
In order to solve the above problems, the present invention provides a backflow prevention grouting gun joint, comprising:
the external interface comprises a first cylinder and a first cone, two ends of the first cylinder are open, one end of the first cone is closed, the other end of the first cone is open, the opening at the other end of the first cone and the opening at one end of the first cylinder are connected into a whole, and a first slurry through port is formed in the first cone;
the internal junction, the internal junction includes second barrel and second centrum, the both ends opening of second barrel, the one end of second centrum is sealed, the other end opening of second centrum links into an organic whole with the one end opening of second barrel, there is second thick liquids through-opening on the second centrum, the external interface cover is located outside the internal junction, the external interface inserts the grout mouth, the other end opening cover of second barrel is on the grout rifle.
Further, in the backflow-preventing grouting gun joint, the friction force of the outer wall of the inner joint, which is in contact with the outer joint, is smaller, and the friction force of the inner wall of the inner joint, which is in contact with the grouting gun, is larger.
Furthermore, in the backflow-preventing grouting gun connector, the inner side wall of the first cylinder is provided with a first fixing part, and the outer side wall of the second cylinder is provided with a second fixing part matched with the first fixing part.
Further, in the above-mentioned backflow-preventing grouting gun connector, the first fixing portion is an internal thread, and the second fixing portion is an external thread.
Further, in the backflow-preventing grouting gun joint, the number of the first slurry passing openings is plural.
Furthermore, in the backflow-preventing grouting gun connector, a plurality of first slurry passing ports are arranged on the first cone at preset intervals.
Further, in the backflow-preventing grouting gun joint, the number of the second slurry passing openings is plural.
Furthermore, in the backflow-preventing grouting gun connector, a plurality of second slurry passing ports are arranged on the second cone body at preset intervals.
According to another aspect of the present invention, there is also provided a method for installing a backflow-preventing grouting gun joint, using any one of the backflow-preventing grouting gun joints, the method including:
inserting the external interface into the grout hole;
inserting the inner interface into the outer interface;
when grouting is needed, inserting a grouting gun into the inner interface, aligning a second slurry through port of the inner interface with a first slurry through port of the outer interface, and allowing the slurry to pass through;
after grouting is finished, the grouting gun is twisted, the inner interface is twisted along with the grouting gun, so that the second slurry through port of the inner interface and the first slurry through port of the outer interface are completely staggered, the second slurry through port and the first slurry through port are sealed, and slurry cannot flow back;
and (4) reserving the backflow-preventing grouting gun connector at the grouting opening, and removing the backflow-preventing grouting gun connector after the slurry is solidified.
Compared with the prior art, the device is very simple, low in cost and low in failure rate; the operation of workers is simple; can promote the efficiency of construction, one person both can operate. The invention solves the problem of slurry backflow when the grouting gun is pulled out after grouting is finished, and can effectively prevent the slurry backflow when the grouting gun is pulled out. Compared with a compensation method, the invention can solve the problem from the source.
Drawings
FIG. 1 is a block diagram of an internal interface of a backflow-preventing grout gun adaptor according to an embodiment of the present invention;
FIG. 2 is a block diagram of an external interface of a backflow-preventing grout gun connector according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a grouted state of an embodiment of the present invention;
fig. 4 is a schematic view illustrating an end of grouting anti-backflow state according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 4, the present invention provides a backflow prevention grouting gun joint, including:
the external interface 1 comprises a first cylinder and a first cone, two ends of the first cylinder are open, one end of the first cone is closed, the other end of the first cone is open, the opening at the other end of the first cone and the opening at one end of the first cylinder are connected into a whole, and a first slurry through port is formed in the first cone;
inner joint 2, inner joint 2 includes second barrel and second centrum, the both ends opening of second barrel, the one end of second centrum is sealed, the other end opening of second centrum and the one end opening of second barrel link into an organic whole, there is second thick liquids through-opening 3 on the second centrum, 1 covers of outer joint is located outside inner joint 2, outer joint 1 inserts the grout mouthful, the other end opening cover of second barrel is on the grout rifle.
The device is very simple, low in cost and low in failure rate; the operation of workers is simple; can promote the efficiency of construction, one person both can operate. The invention solves the problem of slurry backflow when the grouting gun is pulled out after grouting is finished, and can effectively prevent the slurry backflow when the grouting gun is pulled out. Compared with a compensation method, the invention can solve the problem from the source.
In an embodiment of the backflow-preventing grouting gun joint of the present invention, the outer wall of the inner joint 2 in contact with the outer joint 1 has a smaller friction force, and the inner wall of the inner joint 2 in contact with the grouting gun has a larger friction force.
The device of the invention is divided into an outer interface 1 inserted into a grouting port and an inner interface 2 inserted into the outer interface 1, a grouting gun is sleeved in the inner interface 2, the outer interface 1 can be fixed on the grouting port, the outer wall friction force of the inner interface 2 contacted with the outer interface 1 is smaller, the friction force of the inner wall of the inner interface 2 contacted with the grouting gun is larger, when the interface 2 is sleeved on the grouting gun, the grouting gun is twisted, the inner interface 2 is twisted along with the grouting gun, and the outer interface 1 is still fixed on the grouting port.
In an embodiment of the backflow-preventing grouting gun connector, the inner side wall of the first cylinder is provided with a first fixing portion, and the outer side wall of the second cylinder is provided with a second fixing portion matched with the first fixing portion.
Here, through the cooperation of the first fixed part on the inside wall of first barrel and the second fixed part on the outside wall of second barrel, realize outer interface 1 and inner interface 2's reliable cup jointing.
In an embodiment of the backflow-preventing grouting gun connector of the present invention, as shown in fig. 3, the first fixing portion is an internal thread 6, and as shown in fig. 2, the second fixing portion is an external thread 4.
The internal thread and the external thread can play a role in fixing, and the inner connector 2 cannot be pulled out together with the grouting gun when the grouting gun is pulled out.
In an embodiment of the backflow-preventing grouting gun connector of the present invention, the number of the first slurry passing holes 5 is multiple.
In an embodiment of the backflow-preventing grouting gun connector of the present invention, a plurality of first slurry passing ports 5 are disposed at predetermined intervals on the first cone.
In an embodiment of the backflow-preventing grouting gun connector of the present invention, the number of the second slurry passing holes 3 is multiple.
In an embodiment of the backflow-preventing grouting gun connector, a plurality of second slurry passing ports 3 are arranged on the second cone at the preset intervals.
According to another aspect of the present invention, there is also provided a method for installing a backflow-preventing grouting gun joint, which uses the backflow-preventing grouting gun joint of any one of the above embodiments, the method including:
step S1, inserting the external interface 1 into the grout hole;
step S2, inserting the internal interface 2 into the external interface 1;
step S3, when grouting is needed, inserting a grouting gun into the inner interface 2, as shown in fig. 3, wherein the second slurry through port of the inner interface 2 is aligned with the first slurry through port of the outer interface 1, and the slurry passes through;
step S4, after grouting, twisting the grouting gun, so that the inner interface 2 is twisted with the grouting gun, as shown in fig. 4, so that the second slurry passage of the inner interface 2 and the first slurry passage of the outer interface 1 are all staggered, the second slurry passage and the first slurry passage are sealed, and the slurry cannot flow back;
here, when grouting is finished, for example, the grouting gun may be twisted by 60 degrees, confirming that the second slurry passage port and the first slurry passage port of the apparatus are in the state of fig. 4;
and step S5, reserving the backflow-preventing grouting gun connector at the grouting opening, and removing the backflow-preventing grouting gun connector after the slurry is solidified.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. The utility model provides a grout gun of anti-return connects which characterized in that includes:
the external interface comprises a first cylinder and a first cone, two ends of the first cylinder are open, one end of the first cone is closed, the other end of the first cone is open, the opening at the other end of the first cone and the opening at one end of the first cylinder are connected into a whole, and a first slurry through port is formed in the first cone;
the internal junction, the internal junction includes second barrel and second centrum, the both ends opening of second barrel, the one end of second centrum is sealed, the other end opening of second centrum links into an organic whole with the one end opening of second barrel, there is second thick liquids through-opening on the second centrum, the external interface cover is located outside the internal junction, the external interface inserts the grout mouth, the other end opening cover of second barrel is on the grout rifle.
2. The backflow-preventing grout gun connector of claim 1, wherein the inner port has a lower outer wall friction in contact with the outer port and a higher inner wall friction in contact with the grout gun.
3. The backflow-preventing grout gun connector of claim 1, wherein the inner sidewall of the first barrel is provided with a first fixing portion, and the outer sidewall of the second barrel is provided with a second fixing portion engaged with the first fixing portion.
4. The backflow-preventing grout gun connector of claim 3, wherein said first securing portion is internally threaded and said second securing portion is externally threaded.
5. The backflow-preventing grout gun connector of claim 1, wherein said first grout passage port is plural.
6. The backflow-preventing grout gun connector of claim 5, wherein a plurality of first grout passage ports are provided at predetermined intervals on said first cone.
7. The backflow-preventing grout gun connector of claim 1, wherein said second grout passage port is plural.
8. The backflow-preventing grout gun connector of claim 7, wherein a plurality of second grout passage ports are provided at said predetermined intervals on said second cone.
9. A method of installing a backflow-preventing grouting gun adaptor, wherein the backflow-preventing grouting gun adaptor according to any one of claims 1 to 8 is used, the method comprising:
inserting the external interface into the grout hole;
inserting the inner interface into the outer interface;
when grouting is needed, inserting a grouting gun into the inner interface, aligning a second slurry through port of the inner interface with a first slurry through port of the outer interface, and allowing the slurry to pass through;
after grouting is finished, the grouting gun is twisted, the inner interface is twisted along with the grouting gun, so that the second slurry through port of the inner interface and the first slurry through port of the outer interface are completely staggered, the second slurry through port and the first slurry through port are sealed, and slurry cannot flow back;
and (4) reserving the backflow-preventing grouting gun connector at the grouting opening, and removing the backflow-preventing grouting gun connector after the slurry is solidified.
CN202110515757.4A 2021-05-12 2021-05-12 Backflow-preventing grouting gun joint and mounting method thereof Pending CN113152900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110515757.4A CN113152900A (en) 2021-05-12 2021-05-12 Backflow-preventing grouting gun joint and mounting method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110515757.4A CN113152900A (en) 2021-05-12 2021-05-12 Backflow-preventing grouting gun joint and mounting method thereof

Publications (1)

Publication Number Publication Date
CN113152900A true CN113152900A (en) 2021-07-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110515757.4A Pending CN113152900A (en) 2021-05-12 2021-05-12 Backflow-preventing grouting gun joint and mounting method thereof

Country Status (1)

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CN (1) CN113152900A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB498147A (en) * 1937-07-23 1939-01-04 Thomas Clifford Durley Improvements in and relating to shuttering for use with vibrating apparatus for the consolidation of concrete cast in situ
CN207739264U (en) * 2017-12-21 2018-08-17 广东省水利水电第三工程局有限公司 A kind of Grouting Pipe
CN211395647U (en) * 2019-12-10 2020-09-01 苏坤建设(江苏)有限公司 High-efficient slip casting pipe is used in foundation engineering of sand prevention stone jam
CN212359143U (en) * 2020-04-20 2021-01-15 深圳市零五建筑工程有限公司 Assembled building slip casting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB498147A (en) * 1937-07-23 1939-01-04 Thomas Clifford Durley Improvements in and relating to shuttering for use with vibrating apparatus for the consolidation of concrete cast in situ
CN207739264U (en) * 2017-12-21 2018-08-17 广东省水利水电第三工程局有限公司 A kind of Grouting Pipe
CN211395647U (en) * 2019-12-10 2020-09-01 苏坤建设(江苏)有限公司 High-efficient slip casting pipe is used in foundation engineering of sand prevention stone jam
CN212359143U (en) * 2020-04-20 2021-01-15 深圳市零五建筑工程有限公司 Assembled building slip casting device

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Application publication date: 20210723