CN201704957U - Lift-up connecting device for core concrete of steel pipe column - Google Patents
Lift-up connecting device for core concrete of steel pipe column Download PDFInfo
- Publication number
- CN201704957U CN201704957U CN2010201803315U CN201020180331U CN201704957U CN 201704957 U CN201704957 U CN 201704957U CN 2010201803315 U CN2010201803315 U CN 2010201803315U CN 201020180331 U CN201020180331 U CN 201020180331U CN 201704957 U CN201704957 U CN 201704957U
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- steel pipe
- pipe column
- port
- connecting device
- column
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Abstract
The utility model relates to a lift-up connecting device for core concrete of a steel pipe column, which belongs to the technical field of building construction. The device comprises a bent pipe with a horizontal port and an upwarp port. A check valve bonnet is arranged at the higher side of the upwarp port of the bent pipe through hinges and extends thereto from the lower part of the steel pipe column. The horizontal port of the bent pipe is connected with a pumping pipe. An inserting plate-type stop valve is arranged on the pumping pipe. When in use, the upwarp port is stretched into the steel pipe column instead of sticking to the wall of the steel pipe column, thereby pumping the concrete out of the pipe core and having good pouring effect. Concrete backflow is prevented from inside to outside of the steep pipe column by the check valve and the stop valve, thereby having double insurance, reliable effect, good sealing effect and keeping the lift-up pressure. When the pressure in the pipe is larger, the check valve shares the pressure so as to effectively prevent concrete from flowing out of the stop valve. Therefore, the device is suitable for pouring high steep pipe column.
Description
Technical field
The utility model relates to a kind of concrete pouring assembling pipe joint, and especially a kind of column core concrete lift-up connecting device of steel pipe column belongs to technical field of building construction.
Background technology
Steel core concrete column is good with its fluent form, structure tension performance, sectional dimension economic dispatch advantage is used widely in steel work.Concrete filled steel tube is inserted in the steel pipe and a kind of novel combining structure that forms by concrete, adopts in the tubing string bottom and opens interim irrigation hole, with the concrete pump pumping-up method construction of concrete perfusion from bottom to top.The construction of employing pumping-up method need not vibrated in the concrete casting process, can save a large amount of concrete recruitment and machinery.Because concrete utilizes concrete gravity self-compaction from the reverse pouring of jacking that makes progress of post root, more closely knit, even than the concrete of traditional construction technology pouring, greatly improved efficiency of construction.In addition,, therefore reduced amount of high-altitude operation, aspect safety guarantee, bigger improvement can have been arranged, and had short, advantage such as expense is low of time owing to need not to set up height scaffolding.
Realize that at present steel pipe column that said method adopted and the concrete lift-up connecting device between the slush pump such as application number are that 87103180 Chinese invention patent application is disclosed, have flashboard and adpting flange.In addition, application number is that 200920083635.7 Chinese utility application can disclose similar plate non-return streaming concrete lift-up device for casting, comprise steel pipe column, arm, concrete mixer, the steel pipe column bottom is embedded in the patten, one end of the close patten of steel pipe column offers affluent hole and is connected with arm, arm links to each other with concrete mixer by pump line, offer slot near on the arm of pump line one end, the pump line clip covers that slot is connected with arm and rubber pad is set in the junction and carries out jacking and pour into, the slot place disposes plate, and plate inserts slot and ends backflow when finishing perfusion.Facts have proved that above-mentioned existing concrete lift-up connecting device in use remains following major defect: 1) not only gas leakage easily of plate back-flow preventer, influence jacking pressure, and pressure is excessive easily when higher; 2) non-disconnectable the removing of board plug device reused, and causes waste.
The utility model content
Primary and foremost purpose of the present utility model is: at the shortcoming that above-mentioned prior art exists, propose the column core concrete lift-up connecting device of steel pipe column that a kind of obturation effect is good, can reliably prevent the concrete refluence.
The further purpose of the utility model is: propose a kind of simple in structure, can reusable column core concrete lift-up connecting device of steel pipe column.
In order to reach above purpose, column core concrete lift-up connecting device of steel pipe column of the present utility model comprises the bend pipe that has horizontal port and upwarp port; The higher side of port that upwarps of described bend pipe is equipped with unidirectional valve gap by hinge, and stretches into wherein from the bottom of steel pipe column; The horizontal port of described bend pipe is connected with pumping line, and the board plug type stop valve is housed on the described pumping line.
During work, the end that upwarps of the present utility model stretches in the steel pipe column, but not be attached on the steel pipe column tube wall, so concrete pumps by tube core, pours into a mould effective; And one way valve and stop valve flow backwards from the inside and outside concrete that prevents of steel pipe column respectively, therefore have the effect of dual fail-safe, and be not only very reliable, and obturation effect is good, can keep jacking pressure; When the pipe internal pressure is big, shares pressure by one way valve earlier, thereby effectively avoid the concrete at stop valve place excessive; Therefore very suitable higher steel pipe column cast.
Utility model is further improved, and the angle that upwarps port cross section and horizontal plane of described bend pipe is 20-30 °, and described hinge has the limiting steering shelves, and the maximum opening angle of described unidirectional valve gap and the angle of horizontal plane are 60-70 °.Like this, in the fluid concrete process, can bonding to valve gap when unlatching has required jacking pressure, smooth and easy output, avoid the issuable unlatching resistance of port barrier fully up.
In order to reach the further purpose of the utility model, the horizontal port of described bend pipe be connected by cuff between described pump is taken over.Because the utility model is when stopping to pour into a mould, one way valve will be closed under the effect of steel pipe column inner concrete pressure automatically, and the cuff that therefore can get loose is easily pulled down stop valve and reused, and avoids waste.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the structural representation of stop valve among Fig. 1.
Fig. 3 is the vertical view of Fig. 2.
The specific embodiment
Embodiment one
The column core concrete lift-up connecting device of steel pipe column basic structure of present embodiment as shown in Figure 1, bend pipe 2 has horizontal port and upwarp port, about 300mm～500mm stretches into wherein from steel pipe column 1 bottom, and seal welding.Upwarp the higher side of port and unidirectional valve gap 3 is housed by hinge 4, the angle that upwarps port cross section and horizontal plane is 25 ° (between 20-30 ° all can), hinge 4 has limiting steering shelves 5, make that the maximum opening angle of unidirectional valve gap is 90 °, be 65 ° (60-70 ° all can) promptly with the included angle A of horizontal plane, like this, has certain angle of inclination during fluid concrete, be convenient to back down unidirectional valve gap 3 smooth and easy outputs, assurance has enough jacking pressure, avoid port unlatching resistance barrier fully up, and guarantee to have reliable unidirectional control function.The horizontal port of bend pipe 2 is connected with pumping line 7 by cuff 8, and board plug type stop valve 6 is housed on the pumping line 7.
The concrete structure of stop valve 6 has two sides and is connected and forms the perforate fixed head 6-4 of the line of rabbet joint as shown in Figures 2 and 3, and the side of present embodiment is connected and is connected by four block welding plate 6-1 welding, also can be connected by alternate manner.The perforate portable plate 6-3 that line of rabbet joint plug-in mounting matches with it, fixed head 6-4 and portable plate 6-3 have along the slotted eye of line of rabbet joint length direction and be equipped with can be along the securing member 6-2 of slotted eye slippage.Be that fixed head has along the slotted eye of line of rabbet joint length direction, portable plate is equipped with can be along the securing member of slotted eye slippage; Perhaps portable plate has along the slotted eye of line of rabbet joint length direction, and fixed head is equipped with can be along the securing member of slotted eye slippage; All can.Because all members all use steel plate materials, during assembling two fixed heads are separately fixed on the adjacent interface of pumping line and get final product, make very convenient.
Facts have proved that the column core concrete lift-up connecting device of steel pipe column of present embodiment has the following advantages:
1) one way valve and stop valve structure are simple, and stop valve can be removed repeated use, cost economy;
2) concrete is by exporting in the pipe, pour into a mould effective, and easy construction, the duration shortens greatly;
3) concrete in the steel pipe column is in the side loaded state, and its compressive strength can significantly improve, and has improved the rigidity of steel pipe simultaneously, has improved supporting capacity;
4) change the complicated procedures of forming of traditional handicraft placing of concrete, reduced labour intensity, accelerated construction speed.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (7)
1. a column core concrete lift-up connecting device of steel pipe column is characterized in that: comprise the bend pipe that has horizontal port and upwarp port; The higher side of port that upwarps of described bend pipe is equipped with unidirectional valve gap by hinge, and stretches into wherein from the bottom of steel pipe column; The horizontal port of described bend pipe is connected with pumping line, and the board plug type stop valve is housed on the described pumping line.
2. column core concrete lift-up connecting device of steel pipe column according to claim 1, it is characterized in that: the angle that upwarps port cross section and horizontal plane of described bend pipe is 20-30 °, described hinge has the limiting steering shelves, and the maximum opening angle of described unidirectional valve gap and the angle of horizontal plane are 60-70 °.
3. column core concrete lift-up connecting device of steel pipe column according to claim 1 and 2 is characterized in that: the horizontal port of described bend pipe be connected by cuff between described pump is taken over.
4. column core concrete lift-up connecting device of steel pipe column according to claim 3, it is characterized in that: described stop valve has two sides and is connected and forms the perforate fixed head of the line of rabbet joint, the perforate portable plate that described line of rabbet joint plug-in mounting matches with it, described fixed head and portable plate have along the slotted eye of line of rabbet joint length direction and be equipped with can be along the securing member of slotted eye slippage.
5. column core concrete lift-up connecting device of steel pipe column according to claim 4 is characterized in that: described fixed head has along the slotted eye of line of rabbet joint length direction, and described portable plate is equipped with can be along the securing member of slotted eye slippage.
6. column core concrete lift-up connecting device of steel pipe column according to claim 4 is characterized in that: described portable plate has along the slotted eye of line of rabbet joint length direction, and described fixed head is equipped with can be along the securing member of slotted eye slippage.
7. column core concrete lift-up connecting device of steel pipe column according to claim 5 is characterized in that: the side of described fixed head is connected by the welding of four block welding plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201803315U CN201704957U (en) | 2010-05-06 | 2010-05-06 | Lift-up connecting device for core concrete of steel pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201803315U CN201704957U (en) | 2010-05-06 | 2010-05-06 | Lift-up connecting device for core concrete of steel pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201704957U true CN201704957U (en) | 2011-01-12 |
Family
ID=43442110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201803315U Expired - Lifetime CN201704957U (en) | 2010-05-06 | 2010-05-06 | Lift-up connecting device for core concrete of steel pipe column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201704957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824917A (en) * | 2010-05-06 | 2010-09-08 | 江苏南通二建集团有限公司 | Column core concrete lift-up connecting device of steel pipe column |
-
2010
- 2010-05-06 CN CN2010201803315U patent/CN201704957U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824917A (en) * | 2010-05-06 | 2010-09-08 | 江苏南通二建集团有限公司 | Column core concrete lift-up connecting device of steel pipe column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110112 |
|
| CX01 | Expiry of patent term |