CN110847610A - Vertical steel bar sleeve grouting auxiliary device and method - Google Patents
Vertical steel bar sleeve grouting auxiliary device and method Download PDFInfo
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- CN110847610A CN110847610A CN201911104280.XA CN201911104280A CN110847610A CN 110847610 A CN110847610 A CN 110847610A CN 201911104280 A CN201911104280 A CN 201911104280A CN 110847610 A CN110847610 A CN 110847610A
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- grouting
- slurry
- steel bar
- vertical steel
- sleeve
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention provides a vertical steel bar sleeve grouting auxiliary device and method. The main body of the invention is shaped like a funnel, the upper return funnel is used as a temporary storage place for redundant slurry during grouting, and two ends of the guide pipe are respectively connected with the upper return funnel and the upper slurry overflow hole of the lower sleeve. The invention considers that the gap of the grouting head is pulled out from the grouting hole at the lower part, the slurry can overflow from the grouting hole at the lower part, so that the slurry level of the slurry in the slurry overflow hole at the upper part is reduced, the effective length of the slurry overflow hole is increased from the concept of filling the slurry overflow hole, the overflowed slurry which is filled more than once is temporarily stored in the guide pipe and the backflow funnel during grouting, and the slurry flowing out from the gap of the grouting head is subjected to refilling compensation by the redundant slurry in the guide pipe and the backflow funnel, so that the fullness of the slurry in the sleeve is ensured.
Description
Technical Field
The invention relates to a vertical steel bar sleeve grouting auxiliary device and method.
Background
When the existing vertical steel bar sleeve is in grouting connection construction, grouting is carried out from one grouting hole, and after the cylindrical slurry flows out of the grouting hole, the grouting hole can be blocked, a grouting machine is stopped, and the grouting hole is blocked finally. In stopping the clearance of grouter to shutoff injected hole, thick liquids are because the influence of gravity, flow out from the injected hole, lead to the interior thick liquids of sleeve not full.
Disclosure of Invention
The invention aims to provide an auxiliary device and method for grouting a vertical steel bar sleeve.
In order to solve the above problems, the present invention provides an auxiliary grouting device for a vertical steel sleeve, comprising:
the backflow funnel is provided with an upper opening and a lower opening;
one end of the guide pipe is connected with the lower opening, the other end of the guide pipe is communicated with a grout overflow hole of the vertical steel bar sleeve, and the vertical steel bar sleeve is further provided with a grouting hole which is positioned at the lower part of the grout overflow hole.
Further, in the above device, the conduit is a rigid tube or a flexible tube having a bending degree.
Further, in the above apparatus, further comprising:
and the supporting device is arranged at the bottom of the reflux funnel.
Further, in the above device, the support means is a hollow cylindrical tube having an open upper end and a lower end.
Further, in the above apparatus, a diameter of the hollow cylindrical tube is smaller than a maximum diameter of the return funnel.
Further, in the above device, an opening at the upper end of the hollow cylindrical tube is provided with a hole groove, and the guide tube passes through the hole groove.
Further, in the above device, the diameter of the conduit is matched with the diameter of the grout outlet.
Further, in the above device, a waterproof tape is disposed at a joint of one end of the conduit and the lower opening.
According to another aspect of the present invention, there is provided a vertical steel bar sleeve grouting auxiliary method, which uses any one of the above vertical steel bar sleeve grouting auxiliary devices, the method including:
before the vertical steel bar sleeve is grouted, inserting a guide pipe of a vertical steel bar sleeve grouting auxiliary device into a grout overflow hole in the upper part of the vertical steel bar sleeve;
grouting the grouting hole at the lower part of the vertical steel bar sleeve by using a grouting pipe, and after redundant slurry appears in the reflux funnel, pulling out the grouting pipe on the grouting hole and plugging the grouting hole;
and when the slurry in the backflow funnel does not flow back and descend any more, removing the vertical steel bar sleeve grouting auxiliary device, and finally plugging the slurry overflow hole to finish grouting.
Compared with the prior art, the main body of the invention is funnel-shaped, the upper reflux funnel is used as a temporary storage place for redundant slurry during grouting, and two ends of the guide pipe are respectively connected with the upper reflux funnel and the upper slurry overflow hole of the lower sleeve.
The invention considers that the gap of the grouting head is pulled out from the grouting hole at the lower part, the slurry can overflow from the grouting hole at the lower part, so that the slurry level of the slurry in the slurry overflow hole at the upper part is reduced, the effective length of the slurry overflow hole is increased from the concept of filling the slurry overflow hole, the overflowed slurry which is filled more than once is temporarily stored in the guide pipe and the backflow funnel during grouting, and the slurry flowing out from the gap of the grouting head is subjected to refilling compensation by the redundant slurry in the guide pipe and the backflow funnel, so that the fullness of the slurry in the sleeve is ensured.
Aiming at the situation that slurry in the sleeve is not full due to the existing vertical steel bar grouting connection process, the invention provides the vertical steel bar sleeve grouting auxiliary device which mainly plays a role in prolonging the length of a slurry overflow hole, temporarily retaining the redundant slurry for grouting and supplementing the slurry in the sleeve lost due to process reasons, so that the slurry fullness in the sleeve meets the requirement, the defect of sleeve grouting construction is overcome, and the steel bar connection quality of an assembly type building is improved.
The grouting connection method solves the problem that the existing grouting connection construction process of the steel bar sleeve is not full, and improves the grouting connection quality of the steel bar sleeve; the invention utilizes the excessive slurry overflowing from the top to make up the lost slurry, thereby saving the cost; the invention can be made by a plurality of materials on site, which is beneficial to environmental protection.
Drawings
Fig. 1 is a structural view of a vertical reinforcing bar sleeve grouting auxiliary device according to an embodiment of the present invention;
fig. 2 is a disassembled schematic view of the vertical steel bar sleeve grouting auxiliary device according to an embodiment of the invention;
fig. 3 is an installation diagram of the vertical steel bar sleeve grouting auxiliary device according to an embodiment of the 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 3, the present invention provides an auxiliary grouting device for a vertical steel sleeve, comprising:
the backflow funnel 1 is provided with an upper opening and a lower opening;
one end of the guide pipe 2 is connected with the lower opening, the other end of the guide pipe 2 is communicated with a grout overflow hole 3 of the vertical steel bar sleeve, a grouting hole 4 is further formed in the vertical steel bar sleeve, and the grouting hole 4 is located on the lower portion of the grout overflow hole 3.
The main body of the invention is shaped like a funnel, the upper return funnel is used as a temporary storage place for the redundant slurry during grouting, and two ends of the guide pipe are respectively connected with the upper return funnel and the upper slurry overflow hole of the lower sleeve.
The invention considers that the gap of the grouting head is pulled out from the grouting hole at the lower part, the slurry can overflow from the grouting hole at the lower part, so that the slurry level of the slurry in the slurry overflow hole at the upper part is reduced, the effective length of the slurry overflow hole is increased from the concept of filling the slurry overflow hole, the overflowed slurry which is filled more than once is temporarily stored in the guide pipe and the backflow funnel during grouting, and the slurry flowing out from the gap of the grouting head is subjected to refilling compensation by the redundant slurry in the guide pipe and the backflow funnel, so that the fullness of the slurry in the sleeve is ensured.
Aiming at the situation that slurry in the sleeve is not full due to the existing vertical steel bar grouting connection process, the invention provides the vertical steel bar sleeve grouting auxiliary device which mainly plays a role in prolonging the length of a slurry overflow hole, temporarily retaining the redundant slurry for grouting and supplementing the slurry in the sleeve lost due to process reasons, so that the slurry fullness in the sleeve meets the requirement, the defect of sleeve grouting construction is overcome, and the steel bar connection quality of an assembly type building is improved.
The grouting connection method solves the problem that the existing grouting connection construction process of the steel bar sleeve is not full, and improves the grouting connection quality of the steel bar sleeve; the invention utilizes the excessive slurry overflowing from the top to make up the lost slurry, thereby saving the cost; the invention can be made by a plurality of materials on site, which is beneficial to environmental protection.
As shown in fig. 1 to 3, in an embodiment of the present invention, the vertical steel sleeve grouting auxiliary device further includes:
and the supporting device 5 is arranged at the bottom of the reflux funnel.
In consideration of the limitation of personnel during grouting construction operation, the invention also comprises a supporting device for supporting the backflow funnel, so that the backflow funnel can be conveniently supported without being held by hands of extra personnel.
As shown in fig. 1 to 3, in an embodiment of the auxiliary grouting device for a vertical steel sleeve of the present invention, the supporting device 5 is a hollow cylindrical tube with an opening at an upper end and a lower end.
Here, the supporting device may be cylindrical.
As shown in fig. 1 to 3, in an embodiment of the auxiliary grouting device for a vertical steel sleeve of the present invention, a diameter of the hollow cylindrical tube is smaller than a maximum diameter of the backflow funnel.
Here, the supporting means is formed in a cylindrical shape having a diameter slightly smaller than the maximum diameter of the funnel to support the funnel.
As shown in fig. 1 to 3, in an embodiment of the auxiliary grouting device for a vertical steel sleeve of the present invention, the conduit 2 is a rigid pipe or a flexible hose with a bending degree.
Here, the conduit 2 may be a bent hard pipe or a bent flexible hose, facilitating the flow of the slurry.
In an embodiment of the vertical steel bar sleeve grouting auxiliary device, a hole groove 6 is formed in an opening at the upper end of the hollow cylindrical pipe, and the guide pipe 2 penetrates out of the hole groove 6.
In this case, the support device 5 can be provided with a bore 6, so that the guide tube can be guided out of the bore 6.
In an embodiment of the vertical steel bar sleeve grouting auxiliary device, the diameter of the guide pipe is matched with the diameter of the grout overflow hole.
The size of the conduit is matched with the size of a grout overflow hole of the grouting sleeve, and the conduit can be just plugged into the vertical steel bar sleeve.
In an embodiment of the grouting auxiliary device for the vertical steel bar sleeve, a waterproof adhesive tape is arranged at a joint of one end of the guide pipe 2 and the lower opening.
The joint part can be sealed by a waterproof adhesive tape, so that the slurry is prevented from overflowing from a gap of the joint part.
As shown in fig. 1 to 3, the invention further provides another vertical steel sleeve grouting auxiliary method, which comprises the following steps:
step S1, before grouting the vertical steel bar sleeve, inserting the guide pipe 2 of the vertical steel bar sleeve grouting auxiliary device into the grout overflow hole 3 at the upper part of the vertical steel bar sleeve;
step S2, grouting the grouting hole 4 at the lower part of the vertical steel bar sleeve by using a grouting pipe, and after redundant slurry appears in the reflux funnel 1, pulling out the grouting pipe on the grouting hole 4 and plugging the grouting hole 4;
and step S3, when the slurry in the backflow funnel 1 does not flow back and descend any more, removing the vertical steel bar sleeve grouting auxiliary device, and finally plugging the slurry overflow hole 3 to finish grouting.
The main body of the invention is shaped like a funnel, the upper return funnel is used as a temporary storage place for the redundant slurry during grouting, and two ends of the guide pipe are respectively connected with the upper return funnel and the upper slurry overflow hole of the lower sleeve.
The invention considers that the gap of the grouting head is pulled out from the grouting hole at the lower part, the slurry can overflow from the grouting hole at the lower part, so that the slurry level of the slurry in the slurry overflow hole at the upper part is reduced, the effective length of the slurry overflow hole is increased from the concept of filling the slurry overflow hole, the overflowed slurry which is filled more than once is temporarily stored in the guide pipe and the backflow funnel during grouting, and the slurry flowing out from the gap of the grouting head is subjected to refilling compensation by the redundant slurry in the guide pipe and the backflow funnel, so that the fullness of the slurry in the sleeve is ensured.
Aiming at the situation that slurry in the sleeve is not full due to the existing vertical steel bar grouting connection process, the invention provides the vertical steel bar sleeve grouting auxiliary device which mainly plays a role in prolonging the length of a slurry overflow hole, temporarily retaining the redundant slurry for grouting and supplementing the slurry in the sleeve lost due to process reasons, so that the slurry fullness in the sleeve meets the requirement, the defect of sleeve grouting construction is overcome, and the steel bar connection quality of an assembly type building is improved.
The grouting connection method solves the problem that the existing grouting connection construction process of the steel bar sleeve is not full, and improves the grouting connection quality of the steel bar sleeve; the invention utilizes the excessive slurry overflowing from the top to make up the lost slurry, thereby saving the cost; the invention can be made by a plurality of materials on site, which is beneficial to environmental protection.
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 vertical steel sleeve auxiliary device that is in milk which characterized in that includes:
the backflow funnel is provided with an upper opening and a lower opening;
one end of the guide pipe is connected with the lower opening, the other end of the guide pipe is communicated with a grout overflow hole of the vertical steel bar sleeve, and the vertical steel bar sleeve is further provided with a grouting hole which is positioned at the lower part of the grout overflow hole.
2. The vertical rebar sleeve grouting aid of claim 1, wherein the conduit is a bent rigid pipe or a bendable hose.
3. The vertical rebar sleeve grouting aid of claim 1, further comprising:
and the supporting device is arranged at the bottom of the reflux funnel.
4. A vertical rebar sleeve grouting aid as claimed in claim 3, wherein the support means is a hollow cylindrical tube open at the upper and lower ends.
5. A vertical rebar sleeve grouting aid as claimed in claim 4, wherein the diameter of the hollow cylindrical tube is less than the maximum diameter of the return funnel.
6. The grouting aid for the vertical steel bar sleeve as claimed in claim 4, wherein a hole slot is formed at the opening at the upper end of the hollow cylindrical pipe, and the guide pipe penetrates out of the hole slot.
7. A vertical rebar sleeve grouting aid as claimed in claim 1, wherein the diameter of the conduit is sized to match the diameter of the grout hole.
8. The grouting aid for a vertical steel bar sleeve as claimed in claim 1, wherein a waterproof tape is provided at a junction of one end of the guide pipe and the lower opening.
9. A vertical steel bar sleeve grouting auxiliary method, which is characterized in that the vertical steel bar sleeve grouting auxiliary device of any one of the claims 1-8 is adopted, and the method comprises the following steps:
before the vertical steel bar sleeve is grouted, inserting a guide pipe of a vertical steel bar sleeve grouting auxiliary device into a grout overflow hole in the upper part of the vertical steel bar sleeve;
grouting the grouting hole at the lower part of the vertical steel bar sleeve by using a grouting pipe, and after redundant slurry appears in the reflux funnel, pulling out the grouting pipe on the grouting hole and plugging the grouting hole;
and when the slurry in the backflow funnel does not flow back and descend any more, removing the vertical steel bar sleeve grouting auxiliary device, and finally plugging the slurry overflow hole to finish grouting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911104280.XA CN110847610A (en) | 2019-11-09 | 2019-11-09 | Vertical steel bar sleeve grouting auxiliary device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911104280.XA CN110847610A (en) | 2019-11-09 | 2019-11-09 | Vertical steel bar sleeve grouting auxiliary device and method |
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| Publication Number | Publication Date |
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| CN110847610A true CN110847610A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911104280.XA Pending CN110847610A (en) | 2019-11-09 | 2019-11-09 | Vertical steel bar sleeve grouting auxiliary device and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017014707A (en) * | 2015-06-29 | 2017-01-19 | 株式会社富士ボルト製作所 | Grout injector and method for injecting grout |
| CN108265629A (en) * | 2018-02-01 | 2018-07-10 | 上海市政工程设计研究总院（集团）有限公司 | A kind of half grouting reinforced steel coupling sleeve of prefabricated assembled column |
| CN208347139U (en) * | 2018-06-04 | 2019-01-08 | 广州市建工设计院有限公司 | A kind of sleeve grouting visual detection instrument of plumpness |
| CN208586820U (en) * | 2018-06-26 | 2019-03-08 | 镇江建科建设科技有限公司 | A kind of grout sleeve benefit sizing device |
| CN212154165U (en) * | 2019-11-09 | 2020-12-15 | 上海建工五建集团有限公司 | Vertical steel bar sleeve grouting auxiliary device |
-
2019
- 2019-11-09 CN CN201911104280.XA patent/CN110847610A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017014707A (en) * | 2015-06-29 | 2017-01-19 | 株式会社富士ボルト製作所 | Grout injector and method for injecting grout |
| CN108265629A (en) * | 2018-02-01 | 2018-07-10 | 上海市政工程设计研究总院（集团）有限公司 | A kind of half grouting reinforced steel coupling sleeve of prefabricated assembled column |
| CN208347139U (en) * | 2018-06-04 | 2019-01-08 | 广州市建工设计院有限公司 | A kind of sleeve grouting visual detection instrument of plumpness |
| CN208586820U (en) * | 2018-06-26 | 2019-03-08 | 镇江建科建设科技有限公司 | A kind of grout sleeve benefit sizing device |
| CN212154165U (en) * | 2019-11-09 | 2020-12-15 | 上海建工五建集团有限公司 | Vertical steel bar sleeve grouting auxiliary device |
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