CN201664961U - Anchor backing plate for controlling vibration compactness - Google Patents
Anchor backing plate for controlling vibration compactness Download PDFInfo
- Publication number
- CN201664961U CN201664961U CN2010202930017U CN201020293001U CN201664961U CN 201664961 U CN201664961 U CN 201664961U CN 2010202930017 U CN2010202930017 U CN 2010202930017U CN 201020293001 U CN201020293001 U CN 201020293001U CN 201664961 U CN201664961 U CN 201664961U
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- Prior art keywords
- backing plate
- concrete
- anchor backing
- hole
- template
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- Expired - Fee Related
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Abstract
The utility model discloses an anchor backing plate for controlling vibration compactness. The anchor backing plate is provided with a central hole in the middle part and also is provided with installing and fixing holes, a mud-jacking hole and overflowing holes. The axis distance between the overflowing holes and the central hole is smaller than the radius of the steel stranded wire punch hole of a template. The anchor backing plate in the utility model is provided with the overflowing holes, after concrete is injected into the template chamber where a prestress tensioning hole has, the concrete is vibrated by a vibrator. According to whether the concrete grout overflows through the overflowing holes to judge the vibration compactness of the concrete, the concrete is not compact and needs continued vibration if no concrete grout overflows, otherwise the concrete is compact. The anchor backing plate, having a more scientific structure design, prevents the formation of cavity after the anchor backing plate is arranged, meanwhile, prevents the press or rupture of the anchor backing plate when prestress is tensioned, improves the quality of concrete member and safety, eliminates bubbles on the surface of concrete, and improves the surface smoothness after the concrete is demoulded.
Description
Technical field
The utility model relates to a kind of anchor backing plate, relates in particular to a kind of anchor backing plate of controlling the vibration compacting degree.
Background technology
The construction industry particularly in the road and bridge professional construction, generally adopts post stretching prefabricated reinforced concrete prestressed component in design, implements prestressed stretch-draw.The method of post stretching prefabricated reinforced concrete prestressed component is: at first, pre-buried bellows, with the endoporus of bellows as the prestressing force pulling eye; Then, at the pre-buried anchor backing plate of prestressed stretch-draw nose end, anchor backing plate is mounted on the template in the outside by bolt, the centre bore and the template that make the steel strand wires in the prestressing force pulling eye pass anchor backing plate; Again then, concrete is injected in the die cavity at prestressing force pulling eye place after, vibrate with vibrator; Again then, treat that concrete strength reaches requirement after, the prestressed stretch-draw operation of following road; At last, inject cement mortar in the mud jacking hole from the anchor backing plate, fill the prestressing force pulling eye.
A kind of anchor backing plate of controlling the vibration compacting degree of the prior art, the middle part of this anchor backing plate is provided with centre bore, also is provided with on it to install and fix hole and mud jacking hole.In use mainly there is following deficiency in the anchor backing plate of this structure: after anchor backing plate is fixed on the template, then formed concrete cast obturator, after in the die cavity at concrete injection prestressing force pulling eye place, the vibration head that operating personnel only control vibrator is by rule of thumb controlled the vibration compacting degree of concrete, if taking place, human negligence will cause the concrete leakiness, thereby behind anchor backing plate, form the cavity, when carrying out the prestressed stretch-draw operation, ground tackle both may occur inwardly compresses into anchor backing plate, may occur anchor backing plate again is crushed, security incident easily takes place, even causes the concrete member to scrap.
The utility model content
At the prior art above shortcomings, the utility model provides a kind of anchor backing plate of controlling the control vibration compacting degree of concrete pouring compactness, by using this anchor backing plate can guarantee anchor backing plate concrete packing, stopped the cavity to occur behind the anchor backing plate, anchor backing plate is not destroyed during prestressed stretch-draw, and has improved security.
A kind of anchor backing plate of controlling the vibration compacting degree that the utility model provides, the middle part of this anchor backing plate is provided with centre bore, also be provided with on it and install and fix hole, mud jacking hole and spout hole, the axial line distance in described spout hole distance center hole is less than the radius of the steel strand wires perforation of template.
Further, described spout hole is four, is distributed in upper and lower, four positions in a left side and the right side of anchor backing plate, and the edge of the steel strand wires perforation of described template is positioned at the outside of four spout holes.
A kind of anchor backing plate of controlling the vibration compacting degree of the present utility model is provided with spout hole, and the axial line distance in spout hole distance center hole compared with prior art, has following advantage less than the radius of the steel strand wires perforation of template:
1, the utility model is provided with spout hole on anchor backing plate, after in the die cavity at concrete injection prestressing force pulling eye place, vibrate, whether have the concrete slurry to flow out the vibration compacting degree of judging concrete according to spout hole with vibrator, if there is the concrete slurry to flow out the concrete leakiness is not described then, need continues to vibrate; If the concrete slurry flows out, illustrate that then concrete is closely knit.This structural design is science more, has avoided forming behind the anchor backing plate cavity fully, and the phenomenon that anchor backing plate is crushed when also having avoided prestressed stretch-draw had simultaneously both improved the quality of concrete member, had improved security again.
2, anchor backing plate of the present utility model has not only been controlled outside the anchor backing plate concrete packing, has also eliminated the bubble on concrete surface, and concrete demoulding rear surface fineness further improves.
Description of drawings
Fig. 1 is a kind of front view of controlling the anchor backing plate of vibration compacting degree;
Fig. 2 is a kind of anchor backing plate structural representation in use of controlling the vibration compacting degree.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done to describe in further detail.
Fig. 1 is a kind of front view of controlling the anchor backing plate of vibration compacting degree, and Fig. 2 is a kind of anchor backing plate structural representation in use of controlling the vibration compacting degree, as shown in the figure.A kind of anchor backing plate of controlling the vibration compacting degree, be provided with centre bore 2 at the middle part of this anchor backing plate 1, anchor backing plate 1 is provided with three and installs and fixes hole 3 and a mud jacking hole 4, and upper and lower, the left side and uniform four spout holes 5 of right and relative centre bore 2 symmetries of anchor backing plate 1, the axial line distance in described spout hole 5 distance center holes 2 is less than the radius of the steel strand wires perforation 7 of template 6, and the edge of the steel strand wires perforation 7 of promptly described template 6 is positioned at the outside of four spout holes 5.
When using the anchor backing plate of this control vibration compacting degree, anchor backing plate 1 is embedded in the prestressed stretch-draw nose end, penetrate bolt in the hole and be mounted on the template 6 installing and fixing of anchor backing plate 1, outside four spout holes 5 on the anchor backing plate 1 are positioned at the steel strand wires perforation 7 of template 6 and are exposed to.
After in the die cavity at concrete injection prestressing force pulling eye place, vibrate with vibrator, whether observation spout hole 5 has the concrete slurry to flow out the vibration compacting degree of judging concrete, as if there being the concrete slurry to flow out the concrete leakiness is not described then, need continue to vibrate, and flows out until the concrete slurry; The observation spout hole has concrete slurry to flow out, and illustrates that then concrete is closely knit, stops up spout hole 5 with plug simultaneously, and therefore this a kind of anchor backing plate structure of controlling the vibration compacting degree is science more, and judges that the vibration compacting degree of concrete is more accurate.
After treating that concrete strength reaches requirement, adopt ground tackle and jack to carry out the prestressed stretch-draw operation, last, inject cement mortars in the mud jacking hole 4 from the anchor backing plate 1, fill the prestressing force pulling eye.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (2)
1. anchor backing plate of controlling the vibration compacting degree, the middle part of this anchor backing plate (1) is provided with centre bore (2), also is provided with on it to install and fix hole (3) and mud jacking hole (4); It is characterized in that: also be provided with spout hole (5) on the described anchor backing plate (1), the axial line distance in described spout hole (5) distance center hole (2) is less than the radius of the steel strand wires perforation (7) of template (6).
2. a kind of anchor backing plate of controlling the vibration compacting degree according to claim 1, it is characterized in that: described spout hole (5) is four, be distributed in upper and lower, four positions in a left side and the right side of anchor backing plate (1), the edge of the steel strand wires perforation (7) of described template (6) is positioned at the outside of four spout holes (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202930017U CN201664961U (en) | 2010-08-16 | 2010-08-16 | Anchor backing plate for controlling vibration compactness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202930017U CN201664961U (en) | 2010-08-16 | 2010-08-16 | Anchor backing plate for controlling vibration compactness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201664961U true CN201664961U (en) | 2010-12-08 |
Family
ID=43265913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202930017U Expired - Fee Related CN201664961U (en) | 2010-08-16 | 2010-08-16 | Anchor backing plate for controlling vibration compactness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201664961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736573A (en) * | 2018-12-14 | 2019-05-10 | 东南大学 | A kind of built-in tamping equipment based on sleeve post grouting construction |
| CN110578298A (en) * | 2019-09-19 | 2019-12-17 | 常州市市政建设工程有限公司 | Concrete pouring process for top of viaduct upright post |
-
2010
- 2010-08-16 CN CN2010202930017U patent/CN201664961U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736573A (en) * | 2018-12-14 | 2019-05-10 | 东南大学 | A kind of built-in tamping equipment based on sleeve post grouting construction |
| CN110578298A (en) * | 2019-09-19 | 2019-12-17 | 常州市市政建设工程有限公司 | Concrete pouring process for top of viaduct upright post |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20130816 |