CN202387798U - Steel pipe fastener special for cold bending of steel pipes - Google Patents
Steel pipe fastener special for cold bending of steel pipes Download PDFInfo
- Publication number
- CN202387798U CN202387798U CN2011205188625U CN201120518862U CN202387798U CN 202387798 U CN202387798 U CN 202387798U CN 2011205188625 U CN2011205188625 U CN 2011205188625U CN 201120518862 U CN201120518862 U CN 201120518862U CN 202387798 U CN202387798 U CN 202387798U
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- steel pipe
- steel
- bending
- cold
- plate
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Abstract
The utility model relates to a steel pipe fastener special for the cold bending of steel pipes. The steel pipe fastener comprises a bottom plate, two positioning adjustment screws connected to the bottom plate and an upper pinch plate and a lower pinch plate which are used for fastening the steel pipes, wherein two horizontally-extending arms are connected to the lower pinch plate, and traction holes through which a steel wire rope penetrates and penetration holes through which the positioning adjustment screws penetrate are formed in the horizontally-extending arms; and the positioning adjustment screws are fixed in the penetration holes of the horizontally-extending arms by nuts. The steel pipe fastener is simple in structure, low in manufacturing cost, short in assembly time and convenient to use and adjust, and realizes the cold bending operation of the steel pipes in construction sites where a bending machine is not arranged, so that the cost of bending the steel pipes in the process of manufacturing a pipe truss is saved, the work efficiency is improved, and the construction period is ensured.
Description
Technical field
The utility model relates to the cold simmering and bending machine-shaping of a kind of steel pipe device, the cold simmering and bending special steel pipe of specifically a kind of steel pipe fastener.
Background technology
In the pipe truss construction process of building trade, run into the situation that to carry out simmering and bending to steel pipe for building through regular meeting.The steel pipe simmering and bending generally are to adopt cold simmering and bending and the curved two kinds of different processes of fire bending to carry out.The fire bending bending process generally is applicable to the steel pipe that caliber is bigger, but in the heating process of steel pipe, can cause the change of steel pipe material physical and chemical index, the compression strength of steel pipe is reduced, corrosion rate quickening etc.Cold simmering and bending technology belongs to mechanical simmering and bending, though can not produce above-mentioned adverse effect to steel pipe, cold simmering and bending action need carries out in Bender by roasting; And Bender by roasting is bulky; The equipment purchasing cost is high, and Bender by roasting itself all is fixedly mounted in the machined workshop, therefore; Do not have the setting of Bender by roasting thereby the constructing operation that yet just can't carry out the cold simmering and bending of steel pipe at the scene at construction site.
The utility model content
The purpose of the utility model just provides the cold simmering and bending special steel pipe of a kind of steel pipe fastener, with the auxiliary cold simmering and bending operation of steel pipe that realizes the job site, thereby practices thrift steel pipe simmering and bending cost in the pipe truss fabrication, improves work efficiency, guarantees the construction period.
The utility model is achieved in that the cold simmering and bending special steel pipe of a kind of steel pipe fastener, comprises base plate, is connected two of said base plate location adjustment screw rods, and snapping steel pipe last buckle and the lower pinch plate used; On said lower pinch plate, be connected to two flat semi-girders, on said flat semi-girder, have the stretch hole of cross-under steel wire rope and the jack hole of cross-under location adjustment screw rod; Said location adjustment screw rod is fixed in the jack hole of said flat semi-girder through nut.
The said external diameter that internal diameter equals the cold stewing steel pipe of wanting that surrounds of going up buckle and lower pinch plate.
The utility model be a kind ofly be buckled in cold stewing steel tube end part, to the clamper mechanism of cold stewing steel pipe carrying out horizontal side direction tractive.Its operation principle is the location-plate of fixing some inboard positions on the theoretical tube bending camber line of emitting on the operating platform; Snap onto the end of cold stewing steel pipe again with this steel tube fastener; Utilize jack, steel pipe implemented to force tractive, thereby make it brake forming through this steel tube fastener.
The utility model is specially adapted for steel pipe is carried out the tractive clamper in the cold simmering and bending operating process, and it is simple in structure, and cost of manufacture is low; Built-up time is short; Use and easy to adjust makes that the cold simmering and bending constructing operation of steel pipe in the job site that does not have the Bender by roasting configuration becomes possibility, can practice thrift the cost of steel pipe simmering and bending in the pipe truss fabrication thus; Increase work efficiency, guarantee the construction period.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the cold simmering and bending constructing operation of a steel pipe sketch map.
Among the figure: 1, base plate, 2, location-plate, 3, go up buckle, 4, lower pinch plate, 5, flat semi-girder; 6, location adjustment screw rod, 7, steel tube fastener, 8, outer camber line, 9, control point, the outside, 10, interior camber line; 11, steel wire rope, 12, jack, 13, drag-line, 14, cold stewing steel pipe, 15, fixing point.
The specific embodiment
As shown in Figure 1, base plate 1 is a rectangular steel plates, on base plate 1, is welded with the nut that two connecting screw rods are used, and two location adjustment screw rods 6 are connected on the base plate through these two nut threads.Last buckle 3 is a pair of can fastenings relatively to form the buckling plate of circular hole with lower pinch plate 4, and the two connects through the bolt of joining cross-under on the ear in the end.On lower pinch plate 4, be connected to two flat semi-girders 5, on flat semi-girder 5, have the stretch hole of cross-under steel wire rope and the jack hole of cross-under location adjustment screw rod.Location adjustment screw rod 6 is fixed in the jack hole of flat semi-girder 5 through upper and lower two nuts.
Each member should select for use intensity to be not less than the steel plate processing and fabricating that 16MnR and thickness are not less than 25mm in the utility model, and upper and lower buckle fastens the external diameter that formed Circularhole diameter should equal cold stewing steel pipe.
As shown in Figure 2, adopt the auxiliary cold simmering and bending operating procedure of steel pipe that realizes of the utility model to be:
One, platform setting-out: press the drawing requirement of steel tube bending, on the table top of operating platform, emit theoretical tube bending camber line, comprise the interior camber line 10 and outer camber line 8 of tube bending.The mid point of interior camber line two ends line is demarcated to the center O point, made some radioactive ray, intersect with interior camber line and outer camber line respectively from this center O point.Two end points of seven intersection points of radioactive ray and interior camber line and interior camber line are inboard control point, and radioactive ray are control point, the outside 9 with the intersection point of outer camber line.
Two, assembly tooling: a location-plate 2 of being with the cancave cambered surface riser is fixed in welding respectively on each the inboard control point on the interior camber line, and the cancave cambered surface on each location-plate is outside along radioactive ray; Fixing location-plate on first control point, outside of camber line 8 right-hand members outside, the cancave cambered surface of this location-plate is inside, and cooperates the chuck that forms a clamping steel pipe between the location-plate that is fixed on the inner arc thread end.One end of cold stewing steel pipe 14 is penetrated in this chuck,, make the flat load of cold stewing steel pipe on the table top of operating platform at fixing this steel tube fastener 7 of the other end of cold stewing steel pipe.Transfer the location adjustment screw rod on this whole steel tube fastener 7, make cold stewing steel pipe 14 keep level.Penetrate steel wire rope 11 in the stretch hole on this steel tube fastener, the other end of steel wire rope is hooked on the hook of jack 12 (being bottle gouard moved by hands).The termination of jack is fixed on a fixing point 15 that is provided with on the operating platform (point is welded in a upright short wooden stake on the operating platform).This fixing point is provided with the position on operating platform, should guarantee that the steel wire rope of tractive and the angle of cold stewing steel pipe right-hand member are 80 °.
Three, the cold stewing of steel pipe: the drag-line 13 on the tractive jack, hook is constantly tightened up, the right-hand member through steel wire rope 11 and 7 pairs of cold stewing steel pipes 14 of this steel tube fastener applies the side direction pulling force, makes the left part (illustrated bottom) of cold stewing steel pipe 14 produce lateral thrust.Along with the continuous contraction of hook and the bending gradually of cold stewing steel pipe left part, the angle between steel wire rope and the cold stewing steel pipe constantly enlarges.Guaranteeing under the precondition of α angle at 80-100 °; After on the location-plate on cold stewing tube bending to the second inboard control point; Promptly with this opposite external side control point, control point, inboard on fixing location-plate, the cancave cambered surface on this location-plate should be inside along radioactive ray, on the lateral surface that fastens to cold stewing steel pipe; Play location, the outside and spacing effect, in order to prevent that bent arc is excessive, the control curvature.When the α angle is expanded 100 ° to, stop drag drag-line, change the fixing point of jack termination.Second fixing point is provided with the position on operating platform, also be to guarantee that steel wire rope and the angle of cold stewing steel pipe right-hand member after tractive is tightened are 80 °.
Four, continue completion: repeat the cold stewing of above-mentioned steel pipe and operate, put in place, also in the end put last location-plate of burn-oning on the control point, an outside, so far, do not have the cold stewing of on-the-spot steel pipe of Bender by roasting to operate completion until the complete bending of cold stewing steel pipe.
Claims (2)
1. the cold simmering and bending special steel pipe of a steel pipe fastener is characterized in that, comprises base plate (1), is connected on the said base plate (1) two location adjustment screw rods (6), and snapping steel pipe last buckle (3) and the lower pinch plate (4) used; On said lower pinch plate (4), be connected to two flat semi-girders (5), on said flat semi-girder (5), have the stretch hole of cross-under steel wire rope and the jack hole of cross-under location adjustment screw rod; Said location adjustment screw rod (6) is fixed in the jack hole of said flat semi-girder (5) through nut.
2. the cold simmering and bending special steel pipe of steel pipe according to claim 1 fastener is characterized in that, the said external diameter that internal diameter equals the cold stewing steel pipe of wanting that surrounds of going up buckle (3) and lower pinch plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205188625U CN202387798U (en) | 2011-12-13 | 2011-12-13 | Steel pipe fastener special for cold bending of steel pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205188625U CN202387798U (en) | 2011-12-13 | 2011-12-13 | Steel pipe fastener special for cold bending of steel pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202387798U true CN202387798U (en) | 2012-08-22 |
Family
ID=46662750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205188625U Expired - Fee Related CN202387798U (en) | 2011-12-13 | 2011-12-13 | Steel pipe fastener special for cold bending of steel pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202387798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391786A (en) * | 2016-11-08 | 2017-02-15 | 中国能源建设集团天津电力建设有限公司 | Pipe bending device for sliding table type pipe bending machine and using method of pipe bending device |
-
2011
- 2011-12-13 CN CN2011205188625U patent/CN202387798U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391786A (en) * | 2016-11-08 | 2017-02-15 | 中国能源建设集团天津电力建设有限公司 | Pipe bending device for sliding table type pipe bending machine and using method of pipe bending device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20141213 |
|
| EXPY | Termination of patent right or utility model |