CN221167481U - High-speed railway big case roof beam ventilation hole sharing device - Google Patents
High-speed railway big case roof beam ventilation hole sharing device Download PDFInfo
- Publication number
- CN221167481U CN221167481U CN202323087359.0U CN202323087359U CN221167481U CN 221167481 U CN221167481 U CN 221167481U CN 202323087359 U CN202323087359 U CN 202323087359U CN 221167481 U CN221167481 U CN 221167481U
- Authority
- CN
- China
- Prior art keywords
- box girder
- plug
- vent
- sleeve
- outer die
- 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
- 238000009423 ventilation Methods 0.000 title claims description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 239000004567 concrete Substances 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The utility model discloses a high-speed rail big box girder vent hole sharing device which comprises a vent pipe former arranged between a box girder outer die and a box girder inner film, wherein the bottoms of two sides of the box girder outer die are fixedly supported by a support frame, the outer end part of the vent pipe former is in an opening shape, a telescopic blocking mechanism is arranged on the outer side of the box girder outer die at the position of the vent pipe former, and a control cabinet is arranged on the support frame and used for controlling the telescopic blocking mechanism to be separated from or to close the opening of the vent pipe former. According to the utility model, the sleeve is arranged on the outer die of the box girder, the vent pipe shaper is inserted into the sleeve, the opening at the outer end part of the vent pipe shaper can be closed through the telescopic plugging mechanism, box girder concrete is poured at the moment, and when the concrete is solidified to the required strength, the telescopic plugging mechanism is separated from the opening of the vent pipe shaper again to form a vent channel, so that the construction requirements of various girders can be met, the construction efficiency is high, and the shaping effect is good.
Description
Technical Field
The utility model relates to the technical field of high-speed railway box girder construction equipment, in particular to a high-speed railway large box girder ventilation hole sharing device.
Background
In the construction of high-speed railways, the precast concrete high-speed railway large box girder has wide application. The beam body is provided with a ventilation duct. When the beam body is poured, a steel outer mold is generally used for forming a hole, the ventilation pipe model is manually installed and detached, and after the beam body is poured, the pipeline is manually detached to form a ventilation hole. The method is time-consuming and labor-consuming, beam fields are sometimes different in beam shape, and a method of sharing templates is generally adopted to save the investment. During construction, the ventilation holes of the templates are manually cut and repaired, so that the sharing property of the templates is met, repeated cutting and repair welding are needed when the girder erection requirement is adjusted for multiple times, and the service life of the steel templates is greatly influenced due to the fact that time and labor are consumed.
Disclosure of utility model
The utility model aims to provide a ventilation hole sharing device for a high-speed railway large box girder.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a big case roof beam ventilation hole sharing device of high-speed railway, includes the ventilation pipe former of installing the position between case roof beam external mold and case roof beam inner membrance, case roof beam external mold both sides bottom is through support frame fixed stay, ventilation pipe former outer tip is the opening form, case roof beam external mold outside is equipped with telescopic shutoff mechanism in ventilation pipe former position, install the switch board on the support frame, the switch board is used for controlling telescopic shutoff mechanism and breaks away from or seal the opening of ventilation pipe former.
Preferably, the surface of the outer die of the box girder is provided with a through hole, a sleeve is fixedly arranged in the through hole, and the ventilation pipe shaper is inserted between the outer die of the box girder and the inner film of the box girder through the sleeve.
Preferably, the telescopic plugging mechanism comprises an oil cylinder, a support and a plug, wherein the support is fixedly arranged on the outer side of the outer die of the box girder, the support is flush with the sleeve, the oil cylinder is fixedly arranged on the support, a piston shaft of the oil cylinder is detachably connected with the plug, the plug is slidably arranged in the sleeve, and the plug is separated from or seals an opening of the ventilation pipe former through the telescopic of the oil cylinder.
Preferably, one end of the sleeve extends outside the outer die of the box girder.
Preferably, the plug is of a metal disc structure, and a rubber ring is fixedly sleeved outside the plug.
Preferably, the outer end part of the plug is provided with a threaded column with an integrated structure, and a piston shaft of the oil cylinder is connected with the threaded column in a matched manner through a nut.
Preferably, a switch for controlling the start and stop of the oil cylinder is arranged in the control cabinet.
Compared with the prior art, the utility model has the advantages that:
According to the utility model, the sleeve is arranged on the outer die of the box girder, the vent pipe shaper is inserted into the sleeve, the opening at the outer end part of the vent pipe shaper can be closed through the telescopic plugging mechanism, box girder concrete is poured at the moment, when the concrete is solidified to the required strength, the telescopic plugging mechanism is separated from the opening of the vent pipe shaper again, and a vent duct is formed, so that the construction requirements of various girders can be met, repair welding and repeated cutting construction are not needed, the damage to the mould is small, the construction efficiency is high, and the shaping effect is good.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a high-speed rail girder vent sharing device of the present utility model;
FIG. 2 is a block diagram of the telescoping occlusion mechanism of the present utility model;
Fig. 3 is a structural view of the stent of the present utility model.
In the figure: the device comprises a box girder outer mold 1, a box girder inner mold 2, a telescopic plugging mechanism 3, a sleeve 31, a bracket 32, an oil cylinder 33, a plug 34, a control cabinet 4, a ventilation pipe former 5 and a support frame 6.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1-3, the utility model provides a ventilation hole sharing device for a girder of a high-speed railway, which comprises a ventilation pipe former 5 arranged between a girder outer die 1 and a girder inner die 2, wherein bottoms of two sides of the girder outer die 1 are fixedly supported on the ground through a support frame 6, the outer end part of the ventilation pipe former 5 is in an open shape, the ventilation pipe former 5 is in a tubular structure and plays a role of a ventilation duct, a telescopic blocking mechanism 3 is arranged at the position of the ventilation pipe former 5 on the outer side of the girder outer die 1, a control cabinet 4 is arranged on the support frame 6, and the control cabinet 4 is used for controlling the telescopic blocking mechanism 3 to be separated from or to close the opening of the ventilation pipe former 5.
In this embodiment, the surface of the outer die 1 of the box girder is provided with a through hole, a sleeve 31 is fixedly welded and installed in the through hole, and the ventilation pipe shaper 5 is inserted between the outer die 1 of the box girder and the inner film 2 of the box girder through the sleeve 31.
In this embodiment, the telescopic plugging mechanism 3 includes an oil cylinder 32, a support 32 and a plug 34, the support 32 is fixedly installed at the outer side of the outer die 1 of the box girder, the support 32 is formed by two U-shaped steel plates, the support 32 is flush with the sleeve 31, the oil cylinder 32 is fixedly installed at a position between the two supports 32, a piston shaft of the oil cylinder 32 is detachably connected with the plug 34, the plug 34 is slidably arranged in the sleeve 31, and the plug 34 is separated from or seals an opening of the ventilation pipe former 5 through the telescopic movement of the oil cylinder 32.
To facilitate the insertion of the vent tube shaper 5, in this embodiment, one end of the sleeve 31 protrudes outside the outer beam mold 1.
Further, in this embodiment, the plug 34 is of a metal disc structure, and a rubber ring is fixedly sleeved on the outer portion of the plug 34, so that the sleeve 31 can be closed by the rubber ring, and leakage of slurry is avoided.
Further, in order to facilitate the disassembly and assembly of the plug 34, in this embodiment, an integrally structured threaded column is disposed at the outer end of the plug 34, and the piston shaft of the oil cylinder 33 is connected with the threaded column in a matching manner through a nut.
Further, in this embodiment, a switch for controlling the start and stop of the oil cylinder 33 is installed in the control cabinet 4.
The specific operation steps are as follows: after the binding of the steel bars of the box girder is finished, the ventilation pipe shaper 5 is inserted into the sleeve 31, one end of the ventilation pipe shaper 5 is contacted with the box girder inner mold 2 and welded and fixed, then the oil cylinder 33 is started, the oil cylinder 33 drives the plug 34 to move, the plug 34 is inserted into the sleeve 31 to seal the opening of the outer end of the ventilation pipe shaper 5, the box girder concrete is poured at the moment, when the concrete is solidified to the required strength, the oil cylinder 33 is restarted, the oil cylinder 33 drives the plug 34 to separate from the opening of the ventilation pipe shaper 5, and after the box girder outer mold 1 is disassembled, the opening of the ventilation pipe shaper 5 can be exposed.
Although the embodiments of the present utility model have been described with reference to the accompanying drawings, the patentees may make various modifications or alterations within the scope of the appended claims, and are intended to be within the scope of the utility model as described in the claims.
Claims (5)
1. The utility model provides a big case roof beam ventilation hole sharing device of high-speed railway, includes the ventilation pipe former of installing the position between case roof beam external mold and case roof beam internal mold, its characterized in that: the bottoms of two sides of the outer die of the box girder are fixedly supported by a supporting frame, the outer end part of the vent pipe shaper is in an opening shape, a telescopic plugging mechanism is arranged at the position of the vent pipe shaper on the outer side of the outer die of the box girder, a control cabinet is mounted on the supporting frame and used for controlling the telescopic plugging mechanism to be separated from or close the opening of the vent pipe shaper; the surface of the outer die of the box girder is provided with a through hole, a sleeve is fixedly arranged in the through hole, and the ventilation pipe shaper is inserted between the outer die of the box girder and the inner film of the box girder through the sleeve; the telescopic plugging mechanism comprises an oil cylinder, a support and a plug, wherein the support is fixedly arranged on the outer side of the box girder outer die, the support is flush with the sleeve, the oil cylinder is fixedly arranged on the support, a piston shaft of the oil cylinder is detachably connected with the plug, the plug is slidably arranged in the sleeve, and the plug is separated from or seals an opening of the ventilation pipe former through the telescopic of the oil cylinder.
2. The high-speed railway girder vent sharing device according to claim 1, wherein: one end of the sleeve extends out of the outer die of the box girder.
3. The high-speed railway girder vent sharing device according to claim 1, wherein: the plug is of a metal disc structure, and a rubber ring is fixedly sleeved outside the plug.
4. The high-speed railway girder vent sharing device according to claim 1, wherein: the outer end of the plug is provided with a threaded column with an integrated structure, and a piston shaft of the oil cylinder is connected with the threaded column in a matched manner through a nut.
5. The high-speed railway girder vent sharing device according to claim 1, wherein: and a switch for controlling the start and stop of the oil cylinder is arranged in the control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323087359.0U CN221167481U (en) | 2023-11-16 | 2023-11-16 | High-speed railway big case roof beam ventilation hole sharing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323087359.0U CN221167481U (en) | 2023-11-16 | 2023-11-16 | High-speed railway big case roof beam ventilation hole sharing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221167481U true CN221167481U (en) | 2024-06-18 |
Family
ID=91462871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323087359.0U Active CN221167481U (en) | 2023-11-16 | 2023-11-16 | High-speed railway big case roof beam ventilation hole sharing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221167481U (en) |
-
2023
- 2023-11-16 CN CN202323087359.0U patent/CN221167481U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102966121A (en) | Integrally movable mould frame for pipe rack cast-in-site construction | |
| CN111098396A (en) | Hydraulic adjustable multi-cabin prefabricated pipe gallery die and manufacturing method of multi-cabin prefabricated pipe gallery | |
| CN109736841B (en) | Tunnel split type lining side wall lap joint longitudinal slot pouring end die and device | |
| CN221167481U (en) | High-speed railway big case roof beam ventilation hole sharing device | |
| CN205875736U (en) | Sectional type shear force wall is to drawing sealing screw | |
| CN206220512U (en) | A kind of split bolt and its formwork for placing system | |
| CN203541499U (en) | Casting and demolding device for large casting | |
| CN204914346U (en) | Fixed shedder of positive pole pipe hydraulic pressure | |
| CN206053965U (en) | A kind of tunnel ditch cable trough construction trolley | |
| CN215467885U (en) | Wax pressing device for precision casting | |
| CN214993106U (en) | Pier pouring die | |
| CN214828502U (en) | Prefabricated steel reinforcement cage hoist and mount construction equipment of culvert | |
| CN205531394U (en) | Automatic locking mechanism that opens of substep | |
| CN212406110U (en) | Structure for pouring concrete beam post-cast strip by adopting inflatable template | |
| CN100507209C (en) | Controlled deformation method for double-layer structure circular tunnel | |
| CN207156067U (en) | A kind of side mold device | |
| CN107876607A (en) | A kind of corrugated pipe forming machine with enlarging function | |
| CN217580284U (en) | Electric power piping lane does not have pull rod template device | |
| CN203022346U (en) | Three-section-head type water stop threaded rod | |
| CN220576246U (en) | Blow-down pipeline inspection shaft mould demoulding mechanism | |
| CN219772752U (en) | Bridge expansion joint renewing structure | |
| CN201990950U (en) | Lifting-type water-dripping slot-forming system | |
| CN206343886U (en) | A kind of refrigeration plant erecting device | |
| CN112575683A (en) | T-shaped beam template for road and bridge | |
| CN219260732U (en) | Integrated anti-collision wall prefabricating platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |