CN107363984B - Device for fixing precast beam bridge deck drain pipe - Google Patents
Device for fixing precast beam bridge deck drain pipe Download PDFInfo
- Publication number
- CN107363984B CN107363984B CN201710677032.9A CN201710677032A CN107363984B CN 107363984 B CN107363984 B CN 107363984B CN 201710677032 A CN201710677032 A CN 201710677032A CN 107363984 B CN107363984 B CN 107363984B
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- China
- Prior art keywords
- steel plate
- drain pipe
- fixing device
- round
- handle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
A device for fixing a precast beam bridge face water drain pipe belongs to a fixing device used in the construction of precast beams in railway engineering, in particular to a mounting and fixing device for the precast beam bridge face water drain pipe. The device comprises a handle device, an upper fixing device and a bottom fixing device, wherein the upper fixing device is formed by sleeving a protection tube on a connecting pull rod, and a spring is sleeved between a first round steel plate and a second round steel plate in the protection tube; the bottom fixing device is characterized in that two crescent steel plates are arranged at the upper opening of the wedge-shaped steel ring, a bottom steel plate is arranged at the lower opening of the wedge-shaped steel ring, and a connecting hole is formed in the bottom steel plate. The invention has the beneficial effects that: the concrete pouring and vibrating device can effectively prevent the bottom of the water drain pipe from moving when vibrating concrete or reinforcing steel bars move, ensure that the concrete pouring and vibrating device has no disturbance influence on the installation position of the water drain pipe, and can effectively control the installation quality of the water drain pipe.
Description
Technical Field
The invention belongs to a fixing device used in the construction of a precast beam in railway engineering, in particular to a mounting and fixing device for a precast beam bridge face drain pipe.
Background
PVC (polyvinyl chloride) pipes are adopted for the bridge surface water drain pipes of the precast beams of the high-speed railway, the pipes are light in weight and difficult to fix with the outer mold, and the accuracy of the installation position of the water drain pipes can be affected in the concrete pouring and vibrating process. The drain pipe is improperly installed, so that the accumulated water on the bridge deck is difficult to discharge, and the appearance quality of the beam body is affected. Under the influence of the current construction conditions, construction process and other factors, the drain pipe is installed to form a difficult problem of box girder construction.
Disclosure of Invention
The invention aims to solve the problems of providing the drain pipe fixing device which is simple in structure, convenient to operate and high in practicability. The technical scheme is as follows:
the handle device is characterized in that the lower end of the handle device is also provided with a clamping steel plate, and one end, close to the handle, of the connecting pull rod is provided with a first round steel plate; the handle device is also connected with an upper fixing device and a bottom fixing device, the upper fixing device is formed by sleeving a protection tube on the connecting pull rod, a first round steel plate is positioned in the protection tube, a second round steel plate is fixed at the lower end of the protection tube, a third round steel plate is fixed by the second round steel plate through the connecting steel plate, and a spring is sleeved between the first round steel plate and the second round steel plate in the protection tube; the bottom fixing device is characterized in that two crescent steel plates are arranged at the upper opening of the wedge-shaped steel ring, a bottom steel plate is arranged at the lower opening of the wedge-shaped steel ring, and a connecting hole is formed in the bottom steel plate.
Compared with the prior art, the invention has the following beneficial effects:
1. the device comprises a handle device, an upper fixing device and a bottom fixing device, wherein the handle device is connected with the upper fixing device and the bottom fixing device; the upper fixing device ensures that the upper part of the drain pipe is consistent with the lower interface, so that the drain pipe is not inclined and does not float upwards; the bottom fixing device can be fixed on the outer die of the box girder through bolts to fix the lower joint of the drain pipe. Through the synergistic effect of the three parts of devices, the bottom of the water drain hole is fixed, the bottom of the water drain pipe can be effectively prevented from moving when concrete or steel bars are vibrated, the situation that the installation position of the water drain pipe is not disturbed when concrete pouring and vibrating of the box girder are guaranteed, and the installation quality of the water drain pipe can be effectively controlled.
2. Before construction, the lower fixing device can be firstly arranged at the fixed position of the template, and only one person is required to press the handle to fix the drain pipe through the compression spring during installation, so that the fixing bolt is not required to be additionally arranged at the bottom of the template by the person; if the construction is finished and the subsequent construction is carried out, the lower fixing device can be not disassembled, so that the installation time is saved, and the labor cost is saved.
3. The arc edge of the crescent steel plate is welded at the top of the wedge steel ring, and the straight edges of the two crescent steel plates form a rectangular space, so that the clamping steel plate can work.
4. The device can be suitable for fixing all drain pipes under general conditions by adjusting the length of the connecting pull rod and forming a slope by the inclined surface at the bottom of the wedge-shaped steel ring.
5. The stress is applied to two positions of the two layers of steel plates of the second round steel plate and the third round steel plate, so that the gravity center is reduced, and the stability of the device is improved.
6. The end of the handle device is processed into a T-shaped structure, so that the operation is convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the handle assembly of the present invention;
FIG. 3 is a schematic view of the upper fixture of the present invention;
FIG. 4 is a schematic view of the bottom fixture of the present invention;
FIG. 5 is a schematic view of the crescent steel plate structure of the invention;
FIG. 6 is a schematic diagram showing the change of the working state of the clamping steel plate.
Detailed Description
Referring to the drawings, the invention comprises a handle device, wherein the handle device is provided with a handle 1 at the upper end of a connecting pull rod 2, and the key technology is that the lower end of the handle device is also provided with a clamping steel plate 9, and a first round steel plate 4 is arranged at one end of the connecting pull rod 2 close to the handle; the handle device is also connected with an upper fixing device and a bottom fixing device, the upper fixing device is formed by sleeving a protection tube 3 on a connecting pull rod 2, a first round steel plate 4 is positioned in the protection tube 3, a second round steel plate 6 is fixed at the lower end of the protection tube 3, a third round steel plate 8 is fixed on the second round steel plate 6 through a connecting steel plate 7, and a spring 5 is sleeved between the first round steel plate 4 and the second round steel plate 6 in the protection tube 3; the bottom fixing device is characterized in that two crescent steel plates 10 are arranged at the upper opening of a wedge steel ring 11, a bottom steel plate 12 is arranged at the lower opening of the wedge steel ring 11, and a connecting hole 13 is formed in the bottom steel plate 12.
The lower end of the connecting pull rod 2 is provided with a thread 17, the clamping steel plate 9 is provided with a round hole, the upper part of the round hole is provided with a second nut 16, and the connecting pull rod 2 can be screwed into the second nut 16.
Circular holes are formed in the circle center positions of the second circular steel plate 6 and the third circular steel plate 8, and are welded into a whole through the connecting steel plates 7.
The bottom of the wedge-shaped steel ring 11 is inclined.
One side of the cross section of the crescent steel plate 10 is a straight line side, and the other side is an arc side.
The shape of the detent steel plate 9 is rectangular.
The thickness of the steel plates is 2-3mm, and the dimensions of the steel plates are matched with the internal dimensions of the drain pipe;
the connecting pull rod 2 is made of a common steel pipe with the diameter of 18-20 mm;
the outer diameter of the wedge-shaped steel ring 11 is equal to the outer diameter of the drain pipe, the bottom is processed into an inclined plane, and the angle of the inclined plane is equal to the design angle of the bottom surface of the drain pipe.
The device of the invention is assembled as follows:
(1) assembling a handle device: firstly, welding a handle 1 on the top of a connecting pull rod 2, and then welding a first round steel plate 4 on the upper half part of the connecting pull rod 2; finally, welding the first nut 16 and the clamping steel plate 9 together, and keeping the centers of the holes of the first nut 16 and the clamping steel plate 9 aligned during welding;
(2) upper fixture assembly: after the processing of the protection steel pipe 3 is completed, the handle device penetrates through the protection steel pipe 3, the spring 5 penetrates into the protection steel pipe 3 from the bottom of the connecting pull rod, the second round steel plate 6 is welded at the lower part of the protection steel pipe 3, and finally the third round steel plate 8 is welded together through the connecting steel plate 7, so that the centers of holes in the protection steel pipe 3, the second round steel plate 6 and the third round steel plate 8 are kept consistent during welding;
(3) and (3) assembling a lower fixing device: firstly, welding a bottom steel plate 12 on the lower inclined surface of a wedge-shaped steel ring 11; and two crescent steel plates 10 are symmetrically welded on the top plane of the wedge-shaped steel ring 11, and the arc-shaped edges of the crescent steel plates are welded on the top of the wedge-shaped steel ring 11.
During construction, the bottom fixing device is fixed at the corresponding position of the structural formwork, 4 second nuts 14 are used for fixing the bottom steel plate 12 on the formwork surface, then the drain pipe 15 is arranged on the bottom fixing device, and the clamping steel plate 9 is adjusted to a proper position according to the length of the drain pipe 15; then the whole welded by the handle device and the upper fixing device is put into the drain pipe 15, the handle 1 is pressed down, the spring 5 is extruded by the first round steel plate 4, the upper fixing device is subjected to downward acting force by acting counterforce, and the acting force fixes the drain pipe 15 on the bottom fixing device through the second round steel plate 6 and the third round steel plate 8; referring to fig. 6, the handle 1 is pressed down, the connecting pull rod 2 moves down to drive the clamping steel plate 9 to move down, the clamping steel plate 9 is rotated to be parallel to the rectangle formed between the two crescent steel plates 10, then the clamping steel plate 9 enters the bottom fixing device, after the clamping steel plate 9 enters, the clamping steel plate 9 is rotated again to enable the rectangle formed between the clamping steel plate 9 and the two crescent steel plates 10 to be vertical, and accordingly the fixing work of the drain pipe 15 is completed.
After the construction is completed, the rotary handle 1 is pressed down to drive the clamping steel plate 9 to rotate, the clamping steel plate 9 is taken out in the same way, the whole welded by the handle device and the upper fixing device is taken down, the lower fixing device is still placed in place, and after the drain pipe 15 is separated from the template along with the structure, the second nut 14 is loosened to take down the lower fixing device. If construction is to be continued, the lower fixing device may not be removed.
Claims (4)
1. The device for fixing the precast beam bridge deck drain pipe comprises a handle device, wherein the handle device is provided with a handle (1) at the upper end of a connecting pull rod (2), and is characterized in that the lower end of the handle device is also provided with a clamping steel plate (9), and one end, close to the handle, of the connecting pull rod (2) is provided with a first round steel plate (4); the handle device is also connected with an upper fixing device and a bottom fixing device, the upper fixing device is formed by sleeving a protection tube (3) on a connecting pull rod (2), a first round steel plate (4) is positioned in the protection tube (3), a second round steel plate (6) is fixed at the lower end of the protection tube (3), a third round steel plate (8) is fixed on the second round steel plate (6) through a connecting steel plate (7), and a spring (5) is sleeved between the first round steel plate (4) and the second round steel plate (6) in the protection tube (3); the bottom fixing device is characterized in that two crescent steel plates (10) are arranged at the upper opening of a wedge steel ring (11), a bottom steel plate (12) is arranged at the lower opening of the wedge steel ring (11), a connecting hole (13) is formed in the bottom steel plate (12), the bottom of the wedge steel ring (11) is an inclined plane, one side of the cross section of the crescent steel plate (10) is a straight line side, and the other side of the cross section of the crescent steel plate is an arc side.
2. The device for fixing a precast beam bridge deck drain pipe according to claim 1, characterized in that the lower end of the connecting pull rod (2) is provided with a screw thread (17), the clamping steel plate (9) is provided with a round hole, and the upper part of the round hole is provided with a second nut (16).
3. The device for fixing the precast beam bridge deck drain pipe according to claim 1, characterized in that the center positions of the second round steel plate (6) and the third round steel plate (8) are provided with round holes, and are welded into a whole through the connecting steel plates (7).
4. Device for fixing a precast bridge deck drain according to claim 1, characterized in that the shape of the detent steel plate (9) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710677032.9A CN107363984B (en) | 2017-08-09 | 2017-08-09 | Device for fixing precast beam bridge deck drain pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710677032.9A CN107363984B (en) | 2017-08-09 | 2017-08-09 | Device for fixing precast beam bridge deck drain pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107363984A CN107363984A (en) | 2017-11-21 |
| CN107363984B true CN107363984B (en) | 2023-05-05 |
Family
ID=60309357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710677032.9A Active CN107363984B (en) | 2017-08-09 | 2017-08-09 | Device for fixing precast beam bridge deck drain pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107363984B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10115092A (en) * | 1996-08-21 | 1998-05-06 | Nippon Hume Pipe Co Ltd | Forming method for sheath hole |
| CN202047597U (en) * | 2011-04-13 | 2011-11-23 | 中建七局第二建筑有限公司 | Sleeve fixator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3942735B2 (en) * | 1998-06-02 | 2007-07-11 | カネソウ株式会社 | Drain body fixing device |
| CN102364004A (en) * | 2011-11-02 | 2012-02-29 | 中建三局第二建设工程有限责任公司 | Concrete floor hole reserving device capable of being quickly assembled and disassembled |
| CN202937007U (en) * | 2012-11-29 | 2013-05-15 | 傅国勤 | Air conditioner through pipe embedded part |
| CN103291072A (en) * | 2013-05-31 | 2013-09-11 | 上海宝冶集团有限公司 | Method for reserving holes in floors by aid of PVC (polyvinyl chloride) sleeves |
| CN206233577U (en) * | 2016-11-29 | 2017-06-09 | 中建五局华东建设有限公司 | The positioner of sleeve pipe on a kind of aluminum dipping form |
| CN206376567U (en) * | 2017-01-09 | 2017-08-04 | 山东华邦建设集团有限公司 | Drainage pipeline hole to be provided protector |
| CN207044386U (en) * | 2017-08-09 | 2018-02-27 | 中国水利水电第七工程局有限公司 | A kind of device for being used to fix prefabricated beam bridge floor tapping pipe |
-
2017
- 2017-08-09 CN CN201710677032.9A patent/CN107363984B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10115092A (en) * | 1996-08-21 | 1998-05-06 | Nippon Hume Pipe Co Ltd | Forming method for sheath hole |
| CN202047597U (en) * | 2011-04-13 | 2011-11-23 | 中建七局第二建筑有限公司 | Sleeve fixator |
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| Publication number | Publication date |
|---|---|
| CN107363984A (en) | 2017-11-21 |
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