CN213829493U - Precast beam mud jacking gas sealing cover - Google Patents
Precast beam mud jacking gas sealing cover Download PDFInfo
- Publication number
- CN213829493U CN213829493U CN202022881747.6U CN202022881747U CN213829493U CN 213829493 U CN213829493 U CN 213829493U CN 202022881747 U CN202022881747 U CN 202022881747U CN 213829493 U CN213829493 U CN 213829493U
- Authority
- CN
- China
- Prior art keywords
- plate
- sealing
- sealing ring
- inner sleeve
- gas
- 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.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a precast beam mud jacking gas sealing cover, it includes: the device comprises an air sealing plate, a sealing ring and an adjusting device; the gas sealing plate is provided with a bolt hole for connecting the anchor backing plate, and the middle part of the gas sealing plate is provided with a threaded hole; the sealing ring is arranged on one side of the air seal plate, and the outer diameter of the sealing ring is smaller than the inner diameter of the anchor head pore passage; the adjusting device comprises an inner sleeve, a screw rod and a nut; the screw is provided with an external thread matched with the threaded hole on the air sealing plate, and the two ends of the screw are respectively positioned at the two sides of the air sealing plate; the nut is fixed on one side of the gas seal plate, which is not provided with the sealing ring, and the inner sleeve is fixed on one side of the gas seal plate, which is provided with the sealing ring; the inner sleeve is of a frustum structure, and the sealing ring is tightly pressed in the anchor head pore passage by the inner sleeve of the adjusting screw rod. Because the adjusting device is additionally arranged, the installed sealing ring can better seal the pore channel by utilizing the extrusion effect of the inner sleeve, and the problem of slurry leakage caused by untight sealing is avoided.
Description
Technical Field
The utility model belongs to the technical field of precast beam construction auxiliary device, especially, relate to a precast beam mud jacking gas sealing cover.
Background
The box girder is one of the middle girders in bridge engineering, the inner part is hollow, and flanges are arranged on two sides of the upper part. Single boxes, multiple boxes, etc. The box girder of the reinforced concrete structure is divided into a prefabricated box girder and a cast-in-place box girder. The box girder prefabricated in the independent site can be erected after the lower project is finished by combining the bridge girder erection machine, so that the project progress can be accelerated, and the construction period can be saved; cast-in-place box girders are mostly used for large continuous bridges.
The problem of air tightness of the hole channel needs to be solved in the grouting process of the concrete precast box girder, the sealing device with the anchor ring is directly used for sealing in the prior art method, the sealing device is cut during grouting, the sealing effect is poor, the operation process is complex, and a convenient and efficient solution is needed for grouting operation to guarantee the air tightness of the hole channel.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a precast beam mud jacking gas sealing cover.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a precast beam mud jacking gas seal cover, comprising: the device comprises an air sealing plate, a sealing ring and an adjusting device; the air seal plate is provided with a bolt hole for connecting an anchor backing plate, and the middle part of the air seal plate is provided with a threaded hole; the sealing ring is arranged on one side of the air seal plate, and the outer diameter of the sealing ring is smaller than the inner diameter of the anchor head pore passage; the adjusting device comprises an inner sleeve, a screw rod and a nut; the screw is provided with an external thread matched with the threaded hole in the air sealing plate, and the two ends of the screw are arranged at the two sides of the air sealing plate respectively; the nut is fixed on one side of the gas seal plate, which is not provided with the sealing ring, and the inner sleeve is fixed on one side of the gas seal plate, which is provided with the sealing ring; the inner sleeve is of a frustum structure, and the sealing ring is tightly pressed in the anchor head pore passage by the adjusting screw rod inner sleeve.
The utility model discloses as above precast beam mud jacking gas sealing cover, it is further, the gas sealing plate includes base plate, first otic placode and second otic placode, and first base plate and second base plate set up at the both ends of base plate relatively, all are equipped with the bolt hole on first otic placode and the second otic placode, are equipped with the screw hole on the base plate.
The utility model discloses as above precast beam mud jacking gas sealing cover, it is further, the bolt hole is the strip structure, and the length direction of bolt hole is parallel with first otic placode, second otic placode axis.
The utility model discloses as above precast beam mud jacking seals gas hood, further, base plate, first otic placode and second otic placode utilize thickness 4mm-6 mm's steel sheet to make.
The utility model discloses as above precast beam mud jacking gas seal cover, it is further, the endotheca includes connecting plate and extrusion cover, extrusion cover external profile is the round platform structure, and the diameter ratio second end diameter of extrusion cover first end is little, and the first end at the extrusion cover is connected to the connecting plate.
The utility model discloses as above precast beam mud jacking gas sealing cover, it is further, the extrusion cover is hollow structure or solid construction, the extrusion cover is metal material or plastics material.
The utility model discloses a precast beam mud jacking gas sealing cover makes the endotheca progressively follow inside extrusion sealing washer through rotating nut and screw rod, makes the sealing washer hug closely the pore. Because the adjusting device is additionally arranged, the installed sealing ring can better seal the pore channel by utilizing the extrusion effect of the inner sleeve, and the problem of slurry leakage caused by untight sealing is avoided.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:
fig. 1 is an upper view of a precast beam grouting and gas sealing cover according to an embodiment of the present invention;
fig. 2 is a schematic side view of a precast beam grouting gas sealing cover according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a precast beam grouting gas sealing cover according to an embodiment of the present invention;
fig. 4 is a schematic front view of fig. 3.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the gas sealing device comprises a gas sealing plate, 11, a base plate, 12, a first lug plate, 13, a second lug plate, 14, a bolt hole, 2, a sealing ring, 3, an adjusting device, 31, an inner sleeve, 32, a screw rod, 33 and a nut.
Detailed Description
Hereinafter, embodiments of the precast beam mud jacking gas sealing cover of the present invention will be described with reference to the accompanying drawings.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
Fig. 1-4 show precast beam mud jacking gas sealing cover of an embodiment of the utility model, it includes:
the air seal plate 1 is provided with a bolt hole 14 for connecting an anchor backing plate, and the middle part of the air seal plate 1 is provided with a threaded hole; in a specific embodiment of the precast beam grouting air sealing cover, as shown in fig. 1, the air sealing plate 1 includes a base plate 11, a first lug plate 12 and a second lug plate 13, the first base plate 11 and the second base plate 11 are oppositely disposed at two ends of the base plate 11, the first lug plate 12 and the second lug plate 13 are both provided with bolt holes 14, and the base plate 11 is provided with threaded holes; through setting up the otic placode, can be convenient pass through bolted connection to the keyhole that the anchor backing plate was reserved in the anchor cave with the gas seal board, because same engineering uses the gas seal cover quantity very big, has reduced the design size of base plate to a certain extent through the otic placode setting, has played save material's effect. In a preferred embodiment of the precast beam grouting gas seal cover, the bolt holes 14 are in a strip structure, and the length direction of the bolt holes 14 is parallel to the central axes of the first lug plate 12 and the second lug plate 13. The bolt hole that the anchor backing plate was reserved probably causes and the design position is inconsistent because of reasons such as construction, leads to the unable normal installation of bolt, sets up the bolt hole of strip structure and can solve above-mentioned problem to a certain extent. In a preferred embodiment, the base plate 11, the first ear plate 12 and the second ear plate 13 are preferably made of a metal material, for example, a steel plate having a thickness of 4mm to 6mm, and further, the base plate 11, the first ear plate 12 and the second ear plate 13 may be made of a stainless steel plate.
The sealing ring 2 is arranged on one side of the gas sealing plate 1, and the outer diameter of the sealing ring 2 is smaller than the inner diameter of the anchor head pore passage; the sealing ring is preferably made of flexible materials such as rubber or silica gel.
The adjusting device 3, the adjusting device 3 includes the inside race 31, threaded spindle 32 and nut 33; the screw rod 32 is provided with an external thread which is matched with the threaded hole on the air sealing plate 1, and the two ends of the screw rod 32 which are arranged in the threaded hole are respectively positioned at the two sides of the air sealing plate 1; the nut 33 is fixed on the side of the gas seal plate 1 without the sealing ring 2, and the inner sleeve 31 is fixed on the side of the gas seal plate 1 with the sealing ring 2; the adjusting screw 32 causes the inner sleeve 31 to press the sealing ring 2 in the anchor head hole channel. In a specific embodiment of the precast beam grouting gas sealing cover, the inner sleeve 31 comprises a connecting plate and an extrusion cover, the outer contour of the extrusion cover is in a circular truncated cone structure, the diameter of a first end part of the extrusion cover is smaller than that of a second end part, and the connecting plate is connected to the first end part of the extrusion cover. The internal structure of the extrusion enclosure can be determined by those skilled in the art according to the material and the use requirement of the extrusion enclosure, for example, the extrusion enclosure is a hollow structure or a solid structure, and the extrusion enclosure is made of metal or plastic.
The utility model discloses above-mentioned embodiment's precast beam mud jacking gas sealing cover use as follows: before use, the inner sleeve is positioned at a position far away from the air sealing plate by adjusting the screw rod, and the inner sleeve is not inserted into the sealing ring or only the first end part of the extrusion cover is inserted into the sealing ring; then buckling a sealing ring of the gas sealing cover on the working anchorage device, connecting a bolt hole reserved in the gas sealing plate with a bolt hole reserved in an anchor backing plate in the anchor recess by using a bolt, and realizing positioning and installation of the gas sealing cover; and next, the nut and the screw rod are rotated to enable the inner sleeve to gradually extrude the sealing ring from the inside, so that the sealing ring is tightly attached to the pore channel. Because the adjusting device is additionally arranged, the installed sealing ring can better seal the pore channel by utilizing the extrusion effect of the inner sleeve, and the problem of slurry leakage caused by untight sealing is avoided.
The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.
Claims (6)
1. The utility model provides a precast beam mud jacking gas seal cover which characterized in that includes: the air seal device comprises an air seal plate (1), a sealing ring (2) and an adjusting device (3); the air seal plate (1) is provided with a bolt hole (14) for connecting an anchor backing plate, and the middle part of the air seal plate (1) is provided with a threaded hole; the sealing ring (2) is arranged on one side of the air seal plate (1), and the outer diameter of the sealing ring (2) is smaller than the inner diameter of the anchor head pore passage; the adjusting device (3) comprises an inner sleeve (31), a screw rod (32) and a nut (33); the screw rod (32) is provided with an external thread which is matched with a threaded hole in the air sealing plate (1), and the two ends of the screw rod (32) which are arranged in the threaded hole are respectively positioned at the two sides of the air sealing plate (1); the nut (33) is fixed on one side of the air seal plate (1) where the sealing ring (2) is not installed, and the inner sleeve (31) is fixed on one side of the air seal plate (1) where the sealing ring (2) is installed; the inner sleeve (31) is of a frustum structure, and the sealing ring (2) is tightly pressed in the anchor head pore passage by the inner sleeve (31) of the adjusting screw rod (32).
2. The precast beam grouting gas sealing cover according to claim 1, wherein the gas sealing plate (1) comprises a base plate (11), a first lug plate (12) and a second lug plate (13), the first base plate (11) and the second base plate (11) are oppositely arranged at two ends of the base plate (11), bolt holes (14) are arranged on the first lug plate (12) and the second lug plate (13), and threaded holes are arranged on the base plate (11).
3. The precast beam grouting gas seal cover according to claim 2, wherein the bolt holes (14) are in a strip structure, and the length direction of the bolt holes (14) is parallel to the central axes of the first lug plate (12) and the second lug plate (13).
4. Precast beam mudjacking gas enclosure according to claim 2, characterized in that the base plate (11), the first ear plate (12) and the second ear plate (13) are made of steel plate with a thickness of 4mm-6 mm.
5. The precast beam mudjacking gas-sealing boot according to claim 1, wherein the inner sleeve (31) comprises a connecting plate and an extrusion boot, the outer profile of the extrusion boot is a circular truncated cone structure, the diameter of a first end of the extrusion boot is smaller than that of a second end, and the connecting plate is connected to the first end of the extrusion boot.
6. The precast beam mud jacking gas sealing cover according to claim 5, wherein the extrusion cover is of a hollow structure or a solid structure, and the extrusion cover is made of metal or plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022881747.6U CN213829493U (en) | 2020-12-04 | 2020-12-04 | Precast beam mud jacking gas sealing cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022881747.6U CN213829493U (en) | 2020-12-04 | 2020-12-04 | Precast beam mud jacking gas sealing cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213829493U true CN213829493U (en) | 2021-07-30 |
Family
ID=76997269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022881747.6U Active CN213829493U (en) | 2020-12-04 | 2020-12-04 | Precast beam mud jacking gas sealing cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213829493U (en) |
-
2020
- 2020-12-04 CN CN202022881747.6U patent/CN213829493U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105735112B (en) | Bolt connection-based rapid assembling precast rectangular concrete filled steel tube bridge pier | |
| CN107489435B (en) | Replaceable inflatable water stop for mine tunnel | |
| CN109026079B (en) | Tunnel joint waterproof structure and waterproof construction method | |
| CN213829493U (en) | Precast beam mud jacking gas sealing cover | |
| CN107514097B (en) | Prestressed corrugated pipe assembly and installation and construction method thereof | |
| CN103206223A (en) | Reinforcing structure of surrounding rock inside precast-segment tunnel | |
| CN112324456A (en) | Shield tunnel composite lining structure and method | |
| CN219011000U (en) | External prestress reinforcement structure of T-shaped bridge diaphragm plate | |
| CN210066525U (en) | Template is once only pour with eaves that drips to anticollision mound | |
| CN111335467A (en) | Self-resetting node connecting structure and assembling method for beam column of assembled concrete frame | |
| CN215256600U (en) | Wind power hybrid tower prefabricated tower cylinder connected by section steel ring beams | |
| CN210316592U (en) | Prestressed pipeline positioning device of segment beam | |
| CN211173065U (en) | Basement outer wall construction joint anti-seepage template structure | |
| CN213773848U (en) | T-shaped concrete filled steel tube column and steel beam connecting node structure | |
| CN209779949U (en) | Prefabricated assembled profiled steel sheet concrete shear force wall | |
| CN112575909A (en) | Concrete column and H-shaped steel beam combined node structure | |
| CN220977669U (en) | Pre-buried channel fixed mounting structure | |
| CN218815245U (en) | Novel stagnant water is to drawing screw rod | |
| CN219343766U (en) | Reinforced subway prestress beam body | |
| CN220469677U (en) | Integrated device for embedding wood bricks at door and window openings and fixing door and window frame members | |
| CN215593742U (en) | Reinforcing structure for bridge cracks | |
| CN213683217U (en) | Can dismantle syllogic stagnant water split screw | |
| CN216740549U (en) | Prefabricated roof wind channel structure of track traffic underground station assembled | |
| CN219311600U (en) | Use fixture for grouting sleeve | |
| CN220908391U (en) | Tensioning counterforce device of prestressed anti-floating anchor rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |