CN101274338A - Method for producing push-and-pull type cold bending large caliber thick-wall pipe and device thereof - Google Patents
Method for producing push-and-pull type cold bending large caliber thick-wall pipe and device thereof Download PDFInfo
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- CN101274338A CN101274338A CNA2008100312099A CN200810031209A CN101274338A CN 101274338 A CN101274338 A CN 101274338A CN A2008100312099 A CNA2008100312099 A CN A2008100312099A CN 200810031209 A CN200810031209 A CN 200810031209A CN 101274338 A CN101274338 A CN 101274338A
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Abstract
The invention relates to a tube bending equipment, in particular to a novel push-draw method and equipment for cold bending a tube with heavy caliber and thick wall. The novel push-pull type tube bending equipment of the invention comprises the following steps: a set of hydraulic thrust mechanism is arranged at the rear end of a tube to be bended, wherein, a pushrod head that is at the front end of a hydro cylinder pushing arm of the hydraulic thrust mechanism presses against the end of the tube to be bended, thus pushing the tube to be bended to move forward; a set of mainframe mechanism is arranged at the front end of the tube to bended, retains the tube to be bended and leads the tube to be bended to rotate around a central shaft of a steel cable turning wheel through a guide mechanism, a tube bender assembly, a gripping holder and the steel cable turning wheel; the steel cable turning wheel is connected with a laborsaving pulley setting mechanism which consists of a drive static pulley set and a driven static pulley set and is used for pulling the steel cable turning wheel to rotate; the laborsaving pulley setting mechanism is connected with a pulling winch, wherein, the pulling winch is pivotally connected with a reel mechanism through an electric motor and a speed reducer so as to pull a main steel cable and a secondary steel cable of the laborsaving pulley setting mechanism. The tube bending equipment has advanced techniques and high working efficiency.
Description
Technical field
The present invention relates to the equipment of bend pipe, refer in particular to a kind of method and apparatus of producing push-and-pull type cold bending large caliber thick-wall pipe.
Background technology
China's high-voltage tube forming technique has two kinds of methods at present, and the one, hot bending, the 2nd, purely push away or purely draw clod wash.The pipe specification is φ 273 * 40 to the maximum, and the problem of existence is: hot bending, and former material produces oxidation by the high temperature area of heating surface, the tube wall attenuate, the time is long, and operation is many, and energy consumption is big, the cost height; Pure pushing away or pure pulling method makes pipe deformation because of having only a thrust or a pulling force, and bend pipe lateral wall attenuate is big, and the bend pipe ovality is big, and product is difficult to reach designing requirement.
Summary of the invention
The objective of the invention is to be improved, innovate, a kind of method and apparatus with a kind of producing push-and-pull type cold bending large caliber thick-wall pipe of advanced technology characteristic is provided at shortcoming that exists in the background technology and problem.
Method of the present invention comprises following processing step:
1) with pipe by turn of bilge position one end with a rotatable circular arc pattern clamping;
2) rotatable mould is arranged on the rotatable steel wire rope runner;
3) pulling of rotaring wheel steel silk rope and the rotation of drive mould;
4) a laborsaving pulley block structure is set and spurs steel wire rope;
5) power end at laborsaving assembly pulley adopts the elevator tensile machine, spurs the steel wire rope of laborsaving assembly pulley;
6) other end at pipe applies a thrust, makes the pipe moving linearly;
7) adopt a hydraulic thrust mechanism, produce thrust to hydraulic jack, promote the pipe motion with the Motor Drive oil pump feed.
Technical scheme of the present invention is a kind of angle pipe equipment that comprises following structure of structure:
One cover hydraulic thrust mechanism is being set by the rear end of bend pipe, and wherein the push rod cup of the oil cylinder push arm front end of hydraulic thrust mechanism withstands by the termination of bend pipe, is used for promoting to be advanced by bend pipe;
One cover main frame mechanism is being set by the front end of bend pipe, and main frame mechanism will be clamped around the rotation of steel wire rope runner central shaft and by bending by bend pipe by guiding mechanism, bending die assembly, clamping device, steel wire rope runner;
Described steel wire rope runner connects a laborsaving assembly pulley mechanism, and laborsaving assembly pulley mechanism is made up of initiatively quiet assembly pulley and secondary sound assembly pulley, is used to spur the steel wire rope runner and rotates;
Described laborsaving assembly pulley mechanism connects an elevator tensile machine, and wherein the elevator tensile machine articulates main rope and the secondary steel wire rope that drum mechanism built spurs laborsaving assembly pulley mechanism by motor and reductor.
The present invention has following beneficial effect:
The present invention processes the bend pipe of φ 426 * 65 90 a ° R1278, needs artificial 4,10 minutes time, use power 77kw, and the clod wash material does not produce surface oxidation, and the bend pipe ovality reaches 6%, and it is qualified that technical standard requires smaller or equal to 10%; Bend pipe outside wall thickness reduction reaches 8%, and it is qualified that technical standard must not require less than design wall thickness, and design wall thickness is generally 10～12%.Bend pipe with a same specification of out-of-date methods processing needs artificial 6,360 minutes time, uses power 270kw, the former material of high temperature heating bend surface produces oxidation, hot bending is also bigger than clod wash lateral wall attenuate, pushes away curved, pure stretch bending with pure, and pipe lateral wall attenuate and ellipse are all greater than pushing away, draw clod wash.
Description of drawings
Fig. 1 is an overall structure outside drawing of the present invention
Fig. 2 is hydraulic thrust mechanism structure figure
Fig. 3 is main frame mechanism structure figure
Fig. 4 is laborsaving pulley block structure figure
Fig. 5 is an elevator tensile machine structure chart
Fig. 6 is the high-voltage tube state diagram in bending
Fig. 7 is the bending die assembly structure chart
Fig. 8 is bending die and guide chute structure chart
The specific embodiment
By Fig. 1 to 8 as can be known, the present invention includes:
One cover hydraulic thrust mechanism 1 is being set by the rear end of bend pipe 5, and wherein the push rod cup 18 of the oil cylinder push arm front end of hydraulic thrust mechanism 1 withstands by the termination of bend pipe 5, is used for promoting to be advanced by bend pipe 5;
One cover main frame mechanism 2 is being set by the front end of bend pipe 5, and main frame mechanism 2 will be clamped around 212 central shafts, 210 rotations of steel wire rope runner and by bending by bend pipe 5 by guiding mechanism, bending die assembly 29, clamping device, steel wire rope runner 212;
Described steel wire rope runner 212 connects a laborsaving assembly pulley mechanism 3, and laborsaving assembly pulley mechanism 3 is made up of initiatively quiet assembly pulley 31,37 and secondary sound assembly pulley 33,310, is used to spur steel wire rope runner 212 and rotates;
Described laborsaving assembly pulley mechanism 3 connects an elevator tensile machine 4, and wherein elevator tensile machine 4 articulates the main rope 36 and the secondary steel wire rope 35 of the laborsaving assembly pulley of drum mechanism built 42 pullings mechanism 3 by motor 47 and reductor 45.
Shown in Figure 2, hydraulic thrust of the present invention mechanism 1 comprises the two oil cylinders 13 of a cover combination, motor 19, fuel tank 114, oil pump 110, oil circuit integrated package 116, electrical control cabinet 118 and infrastructure, wherein motor 19 articulates oil pump 110 by pipeline 16 connection fuel tanks 114, the two oil cylinders 13 of combination, be provided with overflow valve in the pipeline, be used for the speed of hydraulic thrust mechanism 1 speed and pulling force synchronous.Described infrastructure comprises base plate 11, cylinder support fixed mount 12, oil cylinder hold-down support 17, guide pulley 113, rolling stand 115, wherein the cylinder support fixed mount is located on the base plate 11 at interval, be used for fixing the two oil cylinders 13 of oil cylinder hold-down support 17 and combination, guide pulley 113 and rolling stand 115 are arranged on the front end of the two oil cylinders 13 of combination, be used for supporting move by bend pipe 5.Shown in Figure 3, bending die assembly 29 in the described main frame mechanism 2 comprises die body 291, clamping device 292, mould end fixture block 293, wherein die body 291 is that one section straight arc groove and one section semicircle arc groove are formed, mould end fixture block 293 is the corresponding synthetic pipe shape of one section straight arc groove and die body 291 straight arc grooves, is sandwiched in wherein by bend pipe 5.Guiding mechanism in the described main frame mechanism 2 comprises guide chute 22, laborsaving roller row 21, slide expansion bearing 24, guiding slide 26, column 27, wherein gathering sill 22 is the steel part of a strip band arc groove, be used for clamping by bend pipe 5, laborsaving roller row 21 is located at a side of gathering sill 22, gathering sill 22 respectively has a groove up and down, with connecting slide expansion bearing 24, column 27 is located at guide chute 22 1 sides top by bend pipe one end.Shown in Figure 4, described laborsaving assembly pulley mechanism 3 also comprises driving pulley dolly 32, secondary movable pulley dolly 34, main quiet pulley mooring anchor 38, secondary quiet pulley mooring anchor 311, wherein driving pulley dolly 32 is located at driving pulley 31 bottoms, secondary movable pulley dolly 34 is located at the bottom of secondary movable pulley 33, and mooring anchor all is fixed on the base plate.Shown in Figure 5, motor 47 in the described elevator tensile machine 4 connects reductor 49 by a yielding coupling 46, reductor 49 outputs are by two pinions, 46 engagement gear wheels 43, and drum mechanism built 42 connects gear wheel 43 and is fixed on the bearing 48 by bearing block 41.
Movement relation of the present invention:
Bending die assembly (29) fuses with latch (211) with steel wire rope runner (212), is contained on the central shaft (210).Steel pipe is contained on the die assembly, one end clamps, give the steel pipe clamping and positioning by the mechanism that forms by guide chute (22), guiding slide (26), laborsaving roller row (21), silk pole clamping device (25), hydraulic clamp (28), feeding guiding during steel tube bending.After steel pipe clamping operation was finished, two oil cylinder (13) the pushing tow steel pipes of combination made steel pipe rotate around central shaft together with the bending die assembly; The elevator tensile machine also spurs the steel wire rope runner simultaneously and drives steel pipe with the bending die assembly and rotate around central shaft.Thrust is main, and pulling force is auxilliary, pushes away, pulling force produces simultaneously, makes the bending die assembly drive steel pipe and rotates around central shaft, and pipe reaches the purpose of shaping.
Embodiment of the present invention only is the description that preferred implementation of the present invention is carried out; be not that design of the present invention and scope are limited; do not breaking away under the preceding topic of design philosophy of the present invention; engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
Claims (8)
1, a kind of method of producing push-and-pull type cold bending large caliber thick-wall pipe is characterized in that comprising following processing step:
1) with pipe by turn of bilge position one end with a rotatable circular arc pattern clamping;
2) rotatable mould is arranged on the rotatable steel wire runner;
3) pulling of rotaring wheel steel silk rope and the rotation of drive mould;
4) a laborsaving pulley block structure is set and spurs steel wire rope;
5) power end at laborsaving assembly pulley adopts the elevator tensile machine, spurs the steel wire rope of laborsaving assembly pulley;
6) other end at pipe applies a thrust, makes the pipe moving linearly;
7) adopt a hydraulic thrust mechanism, produce thrust to hydraulic jack, promote the pipe motion with the Motor Drive oil pump feed.
2, a kind of producing push-and-pull type cold bending large caliber thick-wall pipe equipment according to claim 1 is characterized in that comprising:
One cover hydraulic thrust mechanism (1) is being set by the rear end of bend pipe (5), and wherein the push rod cup (18) of the oil cylinder push arm front end of hydraulic thrust mechanism (1) withstands by the termination of bend pipe (5), is used for promoting to be advanced by bend pipe (5);
One cover main frame mechanism (2) is being set by the front end of bend pipe (5), main frame mechanism (2) will be clamped around steel wire rope runner (212) central shaft (210) rotation and by bending by bend pipe (5) by guiding mechanism, bending die assembly (29), clamping device, steel wire rope runner (212);
Described steel wire rope runner (212) connects a laborsaving assembly pulley mechanism (3), and laborsaving assembly pulley mechanism (3) is made up of active quiet assembly pulley (31,37) and secondary sound assembly pulley (33,310), is used to spur steel wire rope runner (212) rotation;
Described laborsaving assembly pulley mechanism (3) connects an elevator tensile machine (4), and wherein elevator tensile machine (4) articulates the main rope (36) and the secondary steel wire rope (35) of drum mechanism built (42) the laborsaving assembly pulley mechanism of pulling (3) by motor (47) and reductor (45).
3, a kind of producing push-and-pull type cold bending large caliber thick-wall pipe equipment according to claim 1, it is characterized in that described hydraulic thrust mechanism (1) comprises the two oil cylinders (13) of a cover combination, motor (19), fuel tank (114), oil pump (110), oil circuit integrated package (116), electrical control cabinet (118) and infrastructure, wherein motor (19) articulates oil pump (110) by pipeline (16) connection fuel tank (114), the two oil cylinders (13) of combination, be provided with overflow valve in the pipeline, be used for the speed of hydraulic thrust mechanism (1) speed and pulling force synchronous.
4, a kind of producing push-and-pull type cold bending large caliber thick-wall pipe equipment according to claim 3, it is characterized in that described infrastructure comprises base plate (11), cylinder support fixed mount (12), oil cylinder hold-down support (17), guide pulley (113), rolling stand (115), wherein the cylinder support fixed mount is located on the base plate (11) at interval, be used for fixing the two oil cylinders (13) of oil cylinder hold-down support (17) and combination, guide pulley (113) and rolling stand (115) are arranged on the front end of the two oil cylinders (13) of combination, be used for supporting move by bend pipe (5).
5, a kind of producing push-and-pull type cold bending large caliber thick-wall pipe equipment according to claim 2, it is characterized in that the bending die assembly (29) in the described main frame mechanism (2) comprises die body (291), clamping device (292), mould end fixture block (293), wherein die body (291) is that one section straight arc groove and one section semicircle arc groove are formed, mould end fixture block (293) is the corresponding synthetic pipe shape of the straight arc groove of one section straight arc groove and die body (291), is sandwiched in wherein by bend pipe (5).
6, a kind of producing push-and-pull type cold bending large caliber thick-wall pipe equipment according to claim 2, it is characterized in that the guiding mechanism in the described main frame mechanism (2) comprises guide chute (22), laborsaving roller row (21), slide expansion bearing (24), guiding slide (26), column (27), wherein gathering sill (22) is the steel part of a strip band arc groove, be used for clamping by bend pipe (5), laborsaving roller row (21) is located at a side of gathering sill (22), gathering sill (22) respectively has a groove up and down, with connecting slide expansion bearing (24), column (27) is located at guide chute (22) one sides top by bend pipe one end.
7, a kind of producing push-and-pull type cold bending large caliber thick-wall pipe equipment according to claim 2, it is characterized in that described laborsaving assembly pulley mechanism (3) also comprises driving pulley dolly (32), secondary movable pulley dolly (34), main quiet pulley mooring anchor (38), secondary quiet pulley mooring anchor (311), wherein driving pulley dolly (32) is located at driving pulley (31) bottom, secondary movable pulley dolly (34) is located at the bottom of secondary movable pulley (33), and mooring anchor all is fixed on the base plate.
8, a kind of producing push-and-pull type cold bending large caliber thick-wall pipe equipment according to claim 2, it is characterized in that the motor (47) in the described elevator tensile machine (4) connects reductor (45) by a yielding coupling (46), reductor (45) output is by two pinions (44) engagement gear wheel (43), and drum mechanism built (42) connects gear wheel (43) and is fixed on the bearing (48) by bearing block (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100312099A CN100562380C (en) | 2008-04-29 | 2008-04-29 | A kind of method and apparatus of producing push-and-pull type cold bending large caliber thick-wall pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100312099A CN100562380C (en) | 2008-04-29 | 2008-04-29 | A kind of method and apparatus of producing push-and-pull type cold bending large caliber thick-wall pipe |
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| Publication Number | Publication Date |
|---|---|
| CN101274338A true CN101274338A (en) | 2008-10-01 |
| CN100562380C CN100562380C (en) | 2009-11-25 |
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| CNB2008100312099A Active CN100562380C (en) | 2008-04-29 | 2008-04-29 | A kind of method and apparatus of producing push-and-pull type cold bending large caliber thick-wall pipe |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380529A (en) * | 2011-09-23 | 2012-03-21 | 湖南四化建高压阀门管件有限公司 | Bending equipment of urea-level stainless steel pipe and bending method |
| CN102944767A (en) * | 2012-09-25 | 2013-02-27 | 浙江华电器材检测研究所 | Electrical equipment energy consumption testing device |
| CN103920761A (en) * | 2014-05-04 | 2014-07-16 | 岳阳筑盛阀门管道有限责任公司 | Push-pull cold pipe bending machine sliding block movable bracket |
| CN104759499A (en) * | 2015-04-27 | 2015-07-08 | 岳阳筑盛阀门管道有限责任公司 | Method and system for cold bending of four major power pipes |
| CN104759500A (en) * | 2015-04-27 | 2015-07-08 | 岳阳筑盛阀门管道有限责任公司 | Method and system for cold bending of nuclear power surge pipe |
-
2008
- 2008-04-29 CN CNB2008100312099A patent/CN100562380C/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380529A (en) * | 2011-09-23 | 2012-03-21 | 湖南四化建高压阀门管件有限公司 | Bending equipment of urea-level stainless steel pipe and bending method |
| CN102944767A (en) * | 2012-09-25 | 2013-02-27 | 浙江华电器材检测研究所 | Electrical equipment energy consumption testing device |
| CN102944767B (en) * | 2012-09-25 | 2015-01-28 | 浙江华电器材检测研究所 | Electrical equipment energy consumption testing device |
| CN103920761A (en) * | 2014-05-04 | 2014-07-16 | 岳阳筑盛阀门管道有限责任公司 | Push-pull cold pipe bending machine sliding block movable bracket |
| CN103920761B (en) * | 2014-05-04 | 2015-08-12 | 岳阳筑盛阀门管道有限责任公司 | Producing push-and-pull type cold bending bending machine slide block movable bracket |
| CN104759499A (en) * | 2015-04-27 | 2015-07-08 | 岳阳筑盛阀门管道有限责任公司 | Method and system for cold bending of four major power pipes |
| CN104759500A (en) * | 2015-04-27 | 2015-07-08 | 岳阳筑盛阀门管道有限责任公司 | Method and system for cold bending of nuclear power surge pipe |
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| Publication number | Publication date |
|---|---|
| CN100562380C (en) | 2009-11-25 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for producing push-and-pull type cold bending large caliber thick-wall pipe and device thereof Effective date of registration: 20171225 Granted publication date: 20091125 Pledgee: Yueyang small and medium enterprise guarantee investment Co., Ltd. Pledgor: Yueyang Zhusheng Valve Pipeline Co., Ltd. Registration number: 2017430000116 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220505 Granted publication date: 20091125 Pledgee: Yueyang small and medium enterprise guarantee investment Co.,Ltd. Pledgor: YUEYANG ZHUSHENG VALVE PIPELINE Co.,Ltd. Registration number: 2017430000116 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |