CN2715878Y - Machine for making metal spiral flat pipe for prestressed concrete - Google Patents
Machine for making metal spiral flat pipe for prestressed concrete Download PDFInfo
- Publication number
- CN2715878Y CN2715878Y CN 200420064270 CN200420064270U CN2715878Y CN 2715878 Y CN2715878 Y CN 2715878Y CN 200420064270 CN200420064270 CN 200420064270 CN 200420064270 U CN200420064270 U CN 200420064270U CN 2715878 Y CN2715878 Y CN 2715878Y
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- China
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- frame
- flat tube
- wheels
- prestressed concrete
- metal spiral
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- Expired - Lifetime
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Abstract
The utility model relates to a machine for making spiral flat metal pipes for prestressed concrete. A machine frame is fixed with two rows of rolling wheels, driving wheels of the rolling wheels are connected with a motor through a transmission mechanism, the machine frame comprises an upper and a lower beams, the two rows of multi-stage wheels are respectively and correspondingly distributed evenly and fixed on the upper and the lower beams, both sides of the last stage of the rolling wheels are provided with a pair of lateral wheel components with adjustable intervals, the lateral wheel components comprise two lateral wheels and an elastic connecting element connected with a retainer, shafts of the lateral wheels are longitudinally penetrated in the lateral wheels which are connected with the retainer of the machine frame and sheathed on the shafts of the lateral wheels, the shafts of the lateral wheels are perpendicular to shafts of the rolling wheels, and the generating line of the lateral wheel forms an arc shape and is matched with a bilateral surface of a machined flat pipe. A pair of upper and lower corresponding idle pulleys are arranged on the extension line of the multi-stage rolling wheels along the direction of the last stage of the rolling wheels and on the machine frame, and the interval between the two idle pulleys is matched with the diameter of a short shaft of the machined flat pipe. The utility model solves the problems of sharp corners at both sides of a flat pipe in machining and space warp of a flat pipe in molding.
Description
Technical field
The utility model relates to a kind of metal tube processing equipment, particularly a kind of processing equipment of ripple flat tube.
Background technology
The post-tensioned prestressing technology has obtained using widely in Bridges in Our Country, municipal administration, building, water conservancy project and nuclear power station engineering.Need in the engineering to stay by pre-buried bellows and establish presstressed reinforcing steel and wear the muscle duct, the quality of helical bellows directly influences hole quality and then influences the quality of prestress engineering.Metallic spiral corrugated pipe is divided into circle and flat by its cross sectional shape, is called pipe and flat tube.At present, the pipe quality has reached higher level, and engineering is used comparative maturity.And flat tube is very unstable owing to its quality of reason of aspects such as manufacture craft, and is domestic since eighties of last century Application and Development nineties flat tube, constantly occurs such-and-such quality problems in the engineering, and technical merit is still more backward.Staying in existing flat tube processing equipment adopts is formed flat type bellows distortion with interior staying by pipe.Earlier pull bar is penetrated in the pipe to be processed, pass and be connected from the other end of pipe with the awl core, advance and gradually it is strutted with hoist engine tractive awl core with the relative slip of spacer bar of its both sides, the spacer bar that constantly struts is flat its outer pipe that wraps in of support continuously, when the awl core when the other end of pipe is pulled out, flat tube making work is finished, and removes pull bar this moment and bores being connected of core, extract manufactured flat tube out, whole process finishes.There are a lot of problems in this processing method: be distorted easily when 1) long tube draws, make the flat tube spatial warp; 2) flat tube of every kind of model designs a kind of fuse, and versatility is poor; Become the wearing and tearing of core and both sides reinforcing bar very fast; 3) operating efficiency is very low, and the seaming flat tube that easily gets loose is of poor quality; 4) labour intensity is big, and the operating space is big, the waste place.
The utility model content
The utility model will provide a kind of metal spiral flat tube machine for prestressed concrete, solves metallic spiral corrugated pipe and makes flat tube, enhances productivity and the problem that becomes to manage quality; Solution is in have living space when there are wedge angle and moulding in the both sides during flat tube problem of warpage of processing.
The technical solution of the utility model is: this metal spiral flat tube tuber for prestressed concrete, on frame, be fixed with two row's rolling wheels, the driving wheel of rolling wheel is connected with motor by transmission mechanism, it is characterized in that: frame comprises entablature and sill, multistage rolling wheel is uniform relatively respectively is fixed on for two rows, on the sill, but be provided with the side wheels assembly of a pair of spacing in level rolling wheel both sides not, this comprises that to the side direction wheel assembly two vertically are installed with the side direction wheel shaft, and connect frame retainer, be enclosed within side wheels and the Flexible Connector that is connected retainer on the side direction wheel shaft, side direction wheel shaft and roll extrusion wheel shaft are perpendicular, the side wheels bus is curved, and adapts with the nilarteral surface of processed flat tube.
Above-mentioned Flexible Connector is at least one adjusting screw(rod) that passes retainer, be enclosed within spring and nut on the adjusting screw(rod).
Above-mentioned side wheels assembly is connected with the entablature or the sill of frame.
Above-mentioned multistage rolling wheel also is fixed with a pair of corresponding up and down idle pulley on frame on the extended line of level rolling wheel direction not, this is connected on two idler shafts of idle pulley frame idle pulley, and the minor axis diameter of the spacing of two idle pulleys and processed flat tube adapts.
The entablature of above-mentioned idle pulley frame and frame or sill or between the entablature of frame and sill, be connected.
Beneficial effect: the utility model adopts rolling process, and the circular metal helical bellows of corresponding specification is pressed into flat tube, is used for the flat anchor system of post-tensioned prestressed concrete engineering.This flat tube tuber uses motor as power, by speed changer and necessary transmission device, power is reached on six grades of rolling wheels that are installed in two groups of crossbeams up and down, and the cone angle effects by rolling wheel on the lower and upper cross-member progressively increases amount of compression, make pipe step by step distortion in rolling improved operating rate; Level rolling wheel place is not provided with the side wheels assembly, and side wheels to being limited on its major diameter direction, eliminated the wedge angle phenomenon that flat tube is shaped when flat tube will be shaped.Idle pulley on the frame is installed in multistage rolling wheel on the extended line of level rolling wheel direction not, and the minor axis diameter of the spacing of two idle pulleys and processed flat tube adapts, and has effectively offset the internal stress of flat tube itself, has solved the problem of the easy warpage of flat tube.That has improved production efficiency and flat tube becomes pipe quality, no wedge angle, no warping phenomenon.
The utility model automaticity height, regulate rolling wheel, side wheels after, carry out tubulation work fully automatically, do not need personnel to carry out manual operations; The production efficiency height, rolling flat tube speed reaches 6.7m/min; Easy for operation, labour intensity is low, and a people can finish tubulation and all work; Become pipe quality height, appearance and size is accurate, and the flat tube of moulding meets the quality standard of national regulation; The tuber volume is little, and is in light weight, and occupied ground is little, moves flexible; The environmental protection power saving; Be easy to adjust, maintain and safeguard.Overcome defectives such as traditional tube-making process production efficiency is low, the one-tenth pipe is of poor quality, can carry out the flat tube of multiple size and make.By regulating the position of rolling wheel, side wheels, to make the flat tube of different size.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is the structural representation of side wheels assembly;
Fig. 4 is the perspective view of the utility model side;
Fig. 5 is the perspective view of side wheels assembly.
The 1-motor; The 2-decelerator; The 3-sill; The 4-entablature; The 5-idle pulley; The 6-rolling wheel; 7-side wheels assembly; The 8-gear; The 9-A nut; The 10-B nut; The 11-retainer; The 12-side wheels; 13-adjusting screw(rod) hole; The 14-adjusting screw(rod); The 15-spring; 16-side direction wheel shaft; 17-side wheels bus; 18-idle pulley frame; The 19-idler shaft; The processed flat tube of 20-.
The specific embodiment
Embodiment of the present utility model is referring to Fig. 1, Fig. 2, this metal spiral flat tube tuber for prestressed concrete, on frame, be fixed with two row's rolling wheels 6, the driving wheel of rolling wheel is connected with motor 1 by transmission mechanism, its frame comprises entablature 4 and sill 3, two rows multistage rolling wheel 6 is uniform relatively respectively and is fixed on the upper and lower crossbeam.After the energising start, motor 1 is given decelerator 2 transmission of power, passes to rolling wheels at different levels 6 on the sill 3 by the sprocket wheel of transmission mechanism again through the decelerating effect of decelerator 2, by gear 8 power is also passed to rolling wheels at different levels 6 on the entablature 4 simultaneously.After pipe is sent into by the porch, with the effect of rolling wheel frictional force under travel forward, also under the effect of pressure, deform simultaneously, through progressively roll extrusion of rolling wheels at different levels, formed flat tube.But be provided with the side wheels assembly 7 of a pair of spacing in level rolling wheel both sides not, the entablature 4 of side wheels assembly 7 and frame or sill 3 are connected all can.Multistage rolling wheel 6 also is fixed with a pair of corresponding up and down idle pulley 5 on frame on the extended line of level rolling wheel direction not.
The structure of side wheels assembly 7 in complete machine is referring to Fig. 3,4,5, this comprises two retainers 11 that vertically are installed with the side direction wheel shaft and connect frame entablature 4, is enclosed within side wheels 12 and the Flexible Connector that is connected retainer on the side direction wheel shaft 16 the side direction wheel assembly, in the present embodiment, Flexible Connector is two adjusting screw(rod)s 14 that pass retainer adjusting screw(rod) hole 13, is enclosed within spring 15, A nut 9, B nut 10 on the adjusting screw(rod).Side direction wheel shaft 16 is perpendicular with the axle of rolling wheel 6, and side wheels bus 17 is curved, and adapts with the nilarteral surface of processed flat tube 20.
The embodiment of side wheels assembly 7 can also be installed on the entablature 4 by retainer 11 referring to Fig. 4,5, and effect is to prevent in the middle of the pipe deformation process, because both sides do not have constraint and wedge angle occurs on the direction that makes two minor axis of flat tube under the effect of last downforce.The pressure of side wheels and spacing can be regulated as requested, just need to adjust B nut 10 during the flat tube of compacting different size and adjusting screw(rod) 14 changes spacing; When the major diameter both sides of flat tube wedge angle appears or collapse ripple just needs adjustment A nut 9 degree of compression that changes spring 15 obtain suitable pressure.
The structure of idle pulley is referring to Fig. 1,2,4, because the raw material that the flat tube tuber is adopted are metallic spiral corrugated pipes, there is certain internal stress in pipe itself in the process of compacting, makes the flat tube space that the phenomenon of warpage be arranged.In order to address this problem, this flat tube tuber is preferably in multistage rolling wheel 6 not on the extended line of level rolling wheel direction, increase a pair of corresponding up and down idle pulley 5, utilize idle pulley 5 and rolling wheel 6 existing angles at different levels effectively to eliminate the internal stress of flat tube, suppressed that size is qualified, the flat tube of good looking appearance.This is connected on two idler shafts 19 of idle pulley frame 18 idle pulley, and the minor axis diameter of the spacing of two idle pulleys and processed flat tube 20 adapts.The idle pulley frame can have multiple mode with being connected of frame, can be connected entablature or sill or all can between the entablature of frame and sill.
What this flat tube tuber adopted is rolling method tube-making process, promptly on tuber, arrange six grades of rolling wheels and side wheels, the radian of each grade rolling wheel is to design under computer simulation according to the rule that circle becomes flat, cone angle effects by lower platen on the rolling wheel progressively increases amount of compression, with the progressively rolling of round bellows, distortion becomes required flat size gradually.This flat tube tuber is applicable to makes flat bellows commonly used in the post-tensioning prestress with bond engineering, and the concrete size of bellows sees the following form.
| Bellows (mm) | Corrugated pipe connector (mm) | |||||
| Model | The pipe diameter | Minor axis (B) | Major diameter (A) | The pipe diameter | Minor axis (B) | Major diameter (A) |
| 3 holes | 50 | 25 | 65 | 55 | 30 | 70.0 |
| 4 holes | 60 | 25 | 80 | 60 | 30 | 85.0 |
| 5 holes | 70 | 25 | 96 | 70 | 30 | 101.0 |
Claims (8)
1, a kind of metal spiral flat tube tuber for prestressed concrete, on frame, be fixed with two row's rolling wheels, the driving wheel of rolling wheel is connected with motor by transmission mechanism, it is characterized in that: frame comprises entablature and sill, multistage rolling wheel is uniform relatively respectively is fixed on for two rows, on the sill, but be provided with the side wheels assembly of a pair of spacing in level rolling wheel both sides not, this comprises that to the side direction wheel assembly two vertically are installed with the side direction wheel shaft, and the retainer of connection frame, be enclosed within side wheels and the Flexible Connector that is connected retainer on the side direction wheel shaft, side direction wheel shaft and roll extrusion wheel shaft are perpendicular, the side wheels bus is curved, and adapts with the nilarteral surface of processed flat tube.
2, metal spiral flat tube tuber for prestressed concrete according to claim 1 is characterized in that: described Flexible Connector is at least one adjusting screw(rod) that passes frame and retainer, be enclosed within spring and nut on the adjusting screw(rod).
3, metal spiral flat tube tuber for prestressed concrete according to claim 1 and 2, it is characterized in that: described side wheels assembly is connected with the entablature of frame.
4, metal spiral flat tube tuber for prestressed concrete according to claim 1 and 2, it is characterized in that: described side wheels assembly is connected with the sill of frame.
5, metal spiral flat tube tuber for prestressed concrete according to claim 1 and 2, it is characterized in that: described multistage rolling wheel is on the extended line of level rolling wheel direction not, on frame, also be fixed with a pair of corresponding up and down idle pulley, this is connected on two idler shafts of idle pulley frame idle pulley, and the minor axis diameter of the spacing of two idle pulleys and processed flat tube adapts.
6, metal spiral flat tube tuber for prestressed concrete according to claim 5, it is characterized in that: described idle pulley frame is connected with the entablature of frame.
7, metal spiral flat tube tuber for prestressed concrete according to claim 5, it is characterized in that: described idle pulley frame is connected with the sill of frame.
8, metal spiral flat tube tuber for prestressed concrete according to claim 5 is characterized in that: described idle pulley frame connects between the entablature of frame and sill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420064270 CN2715878Y (en) | 2004-05-28 | 2004-05-28 | Machine for making metal spiral flat pipe for prestressed concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420064270 CN2715878Y (en) | 2004-05-28 | 2004-05-28 | Machine for making metal spiral flat pipe for prestressed concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2715878Y true CN2715878Y (en) | 2005-08-10 |
Family
ID=34873331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420064270 Expired - Lifetime CN2715878Y (en) | 2004-05-28 | 2004-05-28 | Machine for making metal spiral flat pipe for prestressed concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2715878Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570340A (en) * | 2018-12-10 | 2019-04-05 | 元祥精密机电新沂有限公司 | A kind of high-precision, stable type flat tube machine |
| CN112355088A (en) * | 2020-10-30 | 2021-02-12 | 天津大学 | Method for machining overall ovality of steel pipe |
| CN112453198A (en) * | 2020-10-30 | 2021-03-09 | 天津大学 | Steel pipe overall ovality machining device |
| CN114378183A (en) * | 2021-12-27 | 2022-04-22 | 无锡市晟斐机械设备制造有限公司 | Flat pipe machine |
-
2004
- 2004-05-28 CN CN 200420064270 patent/CN2715878Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570340A (en) * | 2018-12-10 | 2019-04-05 | 元祥精密机电新沂有限公司 | A kind of high-precision, stable type flat tube machine |
| CN109570340B (en) * | 2018-12-10 | 2020-10-20 | 元祥精密机电新沂有限公司 | A high-precision and stable flat tube machine |
| CN112355088A (en) * | 2020-10-30 | 2021-02-12 | 天津大学 | Method for machining overall ovality of steel pipe |
| CN112453198A (en) * | 2020-10-30 | 2021-03-09 | 天津大学 | Steel pipe overall ovality machining device |
| CN114378183A (en) * | 2021-12-27 | 2022-04-22 | 无锡市晟斐机械设备制造有限公司 | Flat pipe machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140528 Granted publication date: 20050810 |