CN210651276U - Pressure maintaining cover for tensioning prestressed concrete - Google Patents
Pressure maintaining cover for tensioning prestressed concrete Download PDFInfo
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- CN210651276U CN210651276U CN201920947004.9U CN201920947004U CN210651276U CN 210651276 U CN210651276 U CN 210651276U CN 201920947004 U CN201920947004 U CN 201920947004U CN 210651276 U CN210651276 U CN 210651276U
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Abstract
The utility model relates to a pressure maintaining cover for prestressed concrete tensioning, which comprises a pressure maintaining cover body and a pressure maintaining cover connecting plate, wherein the pressure maintaining cover connecting plate is arranged at the opening of the pressure maintaining cover body and is connected with an anchor backing plate; the bottom is equipped with the grout post in the pressurize cover body, form the grout hole on the grout post, the grout hole extends to outside the pressurize cover body. The utility model discloses a prestressed concrete stretch-draw is with pressurize cover, the structure is ingenious, high durability and convenient use, through meeting this pressurize cover and anchor backing plate, it is airtight with the anchor backing plate opening, make and form airtight space in the bellows, can guarantee the plumpness of thick liquids in the pipeline during the slip casting, the extravagant probability of thick liquids has been reduced, the thick liquids has been saved greatly, the problem of leaking thick liquids when having solved and having pour, the quality of prestressed beam board is carried into to very big degree, be favorable to this pressurize cover in prestressed concrete technical field's popularization and application.
Description
Technical Field
The utility model relates to a prestressed concrete technical field specifically is a prestressed concrete stretch-draw is with keeping pressure cover.
Background
The anchor backing plate is usually in an open state in the application process, and slurry can be sprayed out from the opening during grouting, so that the slurry in the corrugated pipe is not full, and great waste is caused.
But current pressure maintaining cover adopts the metal material usually, and it is complicated at the installation in-process procedure, steel pipe welding, difficult drawing of patterns, and because the exhaust is unobstructed, it is not full to lead to the beam slab to pour in the milk, the beam slab structural performance who forms is poor, the result of use is not good, and sealing performance is poor, need pour many times just can guarantee the quality of beam slab, make use cost high, above-mentioned pressure maintaining cover is poor at prestressed concrete technical field result of use, be unfavorable for the promotion of the whole quality of engineering.
Disclosure of Invention
The utility model relates to an overcome the defect among the above-mentioned prior art, provide a prestressed concrete stretch-draw is with keeping pressure cover, this keeping pressure cover simple structure is ingenious, and simple to operate can effectively solve the not full problem of grout, and the quality of prestressed beam board is carried into to very big degree, is favorable to this keeping pressure cover in prestressed concrete technical field's popularization and application.
In order to achieve the purpose of the invention, the utility model adopts the following technical scheme: a pressure maintaining cover for tensioning prestressed concrete comprises a pressure maintaining cover body and a pressure maintaining cover connecting plate, wherein the pressure maintaining cover connecting plate is arranged at an opening of the pressure maintaining cover body and is connected with an anchor backing plate; the bottom is equipped with the grout post in the pressurize cover body, form the grout hole on the grout post, the grout hole extends to outside the pressurize cover body.
As an optimized proposal of the utility model, the height of the grouting column is 1 mm-2 mm.
As an optimized proposal of the utility model, the height of the grouting column is 1.3 mm.
As an optimized scheme of the utility model, form the seal groove on the pressurize cover fishplate bar, the seal groove is followed pressurize cover body opening edge a week and set up.
As an optimized scheme of the utility model, be equipped with the mounting hole on the pressurize housing joint board.
As an optimized proposal of the utility model, the mounting hole is a countersunk head screw hole.
As an optimal scheme of the utility model, pressurize cover body is equipped with deep floor with pressurize cover fishplate bar junction.
As an optimal scheme of the utility model, four deep floor follows this external equidistance of pressurize cover distributes.
As an optimal scheme of the utility model, pressurize cover body all adopts the PC material to make with pressurize cover fishplate bar.
As an optimal scheme of the utility model, pressurize cover body and the integrative injection moulding of pressurize cover fishplate bar.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a prestressed concrete stretch-draw is with pressurize cover, the structure is ingenious, high durability and convenient use, through meeting this pressurize cover and anchor backing plate, it is airtight with the anchor backing plate opening, make and form airtight space in the bellows, can guarantee the plumpness of thick liquids in the pipeline during the slip casting, the extravagant probability of thick liquids has been reduced, the thick liquids has been saved greatly, the problem of leaking thick liquids when having solved and having pour, the quality of prestressed beam board is carried into to very big degree, be favorable to this pressurize cover in prestressed concrete technical field's popularization and application.
Drawings
FIG. 1 is a schematic structural diagram of a pressure retention cover for prestressed concrete tensioning in the example;
FIG. 2 is a schematic structural diagram of a pressure retention cover for prestressed concrete tensioning in the example;
FIG. 3 is a schematic structural diagram of a pressure retention cover for prestressed concrete tensioning in the example;
FIG. 4 is a schematic structural view of a pressure retention cover for prestressed concrete tensioning in the example;
FIG. 5 is a schematic structural view of a pressure retention cover for prestressed concrete tensioning in the example.
Reference numerals: 1. a pressure maintaining cover body; 2. the pressure maintaining cover is connected with the plate; 3. a sealing groove; 4. mounting holes; 5. reinforcing rib plates; 6. grouting columns; 61. and (7) grouting holes.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Example (b): as shown in figures 1 to 5, a pressure maintaining cover for prestressed concrete tensioning comprises a pressure maintaining cover body 2 and a pressure maintaining cover joint plate 1, wherein the pressure maintaining cover body 2 is of a columnar hollow structure, the pressure maintaining cover joint plate 1 is of a thin plate structure and is arranged at an opening of the pressure maintaining cover body 2 and is connected with an anchor backing plate, the pressure maintaining cover joint plate 1 is arranged to facilitate the connection of the pressure maintaining cover and the anchor backing plate and ensure the tightness of the connection part, in order to further enhance the sealing performance of the connecting position, a sealing groove 3 is arranged on the surface of the pressure-retaining cover connecting plate 1 connected with the anchor backing plate, the sealing groove 3 is arranged along the opening edge of the pressure-retaining cover body 2 for a circle, a sealing ring made of rubber material is arranged in the sealing groove 3 to ensure the sealing performance, in order to facilitate the replacement of the sealing ring in the later period, a digging groove for the finger to go into can be further arranged, and the digging groove is communicated with the sealing groove 3, so that the sealing ring can be taken out quickly, and time and labor are saved.
The bottom is equipped with grout post 6 in the pressurize cover body 2, form grout hole 61 on the above-mentioned grout post 6, above-mentioned grout hole 61 extends to above-mentioned pressurize cover body 2 outside, through grout hole 61 to the intraductal grout of bellows, the setting up of grout post 61 makes the thick liquids flow direction roughly unanimous, avoid spilling spattering, reduce the probability of thick liquids adhesion on 2 inner walls of protective cover body, and guarantee the plumpness of thick liquids in the bellows, avoid causing the waste of thick liquids.
The height of grout post 6 is 1mm ~ 2mm, avoid short or overlength, short causes the thick liquids to splash easily, cause the waste of thick liquids, the overlength easily leads to grout post 6 fracture, the height of grout post 6 in this embodiment is 1.3mm, can effectively guarantee the structural strength of grout post 6, and then guarantee its result of use at the grout in-process, in order to further reduce the stress of grout post 6 and pressurize cover body 2 junction, reduce the cracked probability of grout post 6 and pressurize cover body 2 junction, but grout post 6 and pressurize cover body 2 integrated injection moulding, in order to guarantee the result of use of pressurize cover.
In order to facilitate connection between the anchor backing plate and the pressure maintaining cover, the pressure maintaining cover has the advantages of being convenient to assemble and disassemble and saving time and labor, mounting holes 4 are formed in the pressure maintaining cover connecting plate 1, mounting holes with the same inner diameter are formed in the positions corresponding to the anchor backing plate, the anchor backing plate and the pressure maintaining cover are connected through locking bolts, in order to avoid abrasion of other parts caused by bolt heads on the bolts, the mounting holes 4 are arranged in the structural mode of countersunk head screw holes, and the bolt heads are embedded in the countersunk head screw holes.
In order to further guarantee the structural strength of the pressure maintaining cover, guarantee the service life of the pressure maintaining cover and reduce the use cost, the joint of the pressure maintaining cover body 2 and the pressure maintaining cover connecting plate 1 is provided with reinforcing rib plates 5, and the four reinforcing rib plates 5 are distributed at equal intervals outside the pressure maintaining cover body 2.
The pressure maintaining cover body 2 and the pressure maintaining cover connecting plate 1 are made of PC materials, are light in weight, convenient to install, good in sealing performance, low in production cost and easy to demould, and can be repeatedly used for the pressure maintaining cover to play the effects of environmental protection and energy conservation.
Pressurize cover body 2 and 1 integrative injection moulding of pressurize cover fishplate bar for pressurize cover structural strength is high, and excellent in use effect can greatly reduced pressurize the use cost of cover, is favorable to this pressurize cover in prestressed concrete technical field's popularization and application.
The corners of the pressure maintaining cover body 2 and the pressure maintaining cover connecting plate 1 are all arranged in a round angle, so that the damage to constructors is avoided,
the prestressed concrete stretch-draw in this embodiment is with pressurize cover, the structure is ingenious, high durability and convenient use, through meeting this pressurize cover and anchor backing plate, it is airtight with the anchor backing plate opening, make the interior airtight space that forms of bellows, can guarantee the plumpness of thick liquids in the pipeline during the slip casting, the extravagant probability of thick liquids has been reduced, the thick liquids have been saved greatly, the problem of the hourglass thick liquids when having solved and pour, the quality of prestressing force roof beam board is carried into to very big degree, be favorable to this pressurize cover in the popularization and the application of prestressed concrete technical field.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: 1. a pressure maintaining cover body; 2. the pressure maintaining cover is connected with the plate; 3. a sealing groove; 4. mounting holes; 5. reinforcing rib plates; 6. grouting columns; 61. grout holes, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides a prestressed concrete stretch-draw is with keeping pressure cover which characterized in that: the pressure maintaining cover comprises a pressure maintaining cover body (2) and a pressure maintaining cover connecting plate (1), wherein the pressure maintaining cover connecting plate (1) is arranged at an opening of the pressure maintaining cover body (2) and is connected with an anchor backing plate; the bottom is equipped with grout post (6) in pressurize cover body (2), form grout hole (61) on grout post (6), grout hole (61) extend to outside pressurize the cover body (2).
2. The pressure-retaining cover for prestressed concrete tensioning according to claim 1, characterized in that: the height of the grouting column (6) is 1-2 mm.
3. The pressure-retaining cover for prestressed concrete tensioning according to claim 1, characterized in that: the height of the grouting column (6) is 1.3 mm.
4. The pressure-retaining cover for prestressed concrete tensioning according to claim 1, characterized in that: keep pressing and form seal groove (3) on cover fishplate bar (1), seal groove (3) are followed keep pressing cover body (2) opening border a week and set up.
5. The pressure-retaining cover for prestressed concrete tensioning according to claim 4, characterized in that: and a mounting hole (4) is formed in the pressure maintaining cover connecting plate (1).
6. The pressure-retaining cover for prestressed concrete tensioning according to claim 5, characterized in that: the mounting hole (4) is a countersunk screw hole.
7. The pressure-retaining cover for prestressed concrete tensioning according to claim 1, characterized in that: and a reinforcing rib plate (5) is arranged at the joint of the pressure maintaining cover body (2) and the pressure maintaining cover connecting plate (1).
8. The pressure-retaining cover for prestressed concrete tensioning according to claim 7, characterized in that: the four reinforcing rib plates (5) are distributed along the outside of the pressure maintaining cover body (2) at equal intervals.
9. The pressure-retaining cover for prestressed concrete tensioning according to claim 1, characterized in that: the pressure maintaining cover body (2) and the pressure maintaining cover connecting plate (1) are both made of PC materials.
10. The pressure-retaining cover for prestressed concrete tensioning according to claim 9, characterized in that: the pressure maintaining cover body (2) and the pressure maintaining cover connecting plate (1) are integrally formed by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920947004.9U CN210651276U (en) | 2019-06-21 | 2019-06-21 | Pressure maintaining cover for tensioning prestressed concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920947004.9U CN210651276U (en) | 2019-06-21 | 2019-06-21 | Pressure maintaining cover for tensioning prestressed concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210651276U true CN210651276U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920947004.9U Active CN210651276U (en) | 2019-06-21 | 2019-06-21 | Pressure maintaining cover for tensioning prestressed concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210651276U (en) |
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2019
- 2019-06-21 CN CN201920947004.9U patent/CN210651276U/en active Active
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