CN109127822A - A kind of space bent pipe equipment - Google Patents
A kind of space bent pipe equipment Download PDFInfo
- Publication number
- CN109127822A CN109127822A CN201810780658.7A CN201810780658A CN109127822A CN 109127822 A CN109127822 A CN 109127822A CN 201810780658 A CN201810780658 A CN 201810780658A CN 109127822 A CN109127822 A CN 109127822A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- base
- clamping device
- clamping
- bend pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/14—Twisting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/027—Combined feeding and ejecting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- General Induction Heating (AREA)
Abstract
The present invention relates to bend pipe processing equipment technical fields, and in particular to a kind of space bent pipe equipment.Including base, the bending mechanism on base one end, the clamping device positioned at bending mechanism rear end, the propulsive mechanism positioned at clamping device rear end, the heating mechanism above bending mechanism and/or clamping device.Gap is equipped between the bending mechanism and clamping device, the heating mechanism is equipped with induction coil, and induction coil is located at above-mentioned gap.The bending mechanism includes mobile device, and the mobile device load is carried out to bend pipe relative to the movement on clamping device left and right directions.Propulsive mechanism is travelled forward on base using screw rod and screw principle.To bend pipe through bending mechanism, across induction coil and clamping device, it is clipped on propulsive mechanism later.The present invention fundamentally changes traditional first postwelding bending process, avoids root of weld hidden danger in bend pipe, is the reform of art technology, has important progress meaning.
Description
Technical field
The present invention relates to bend pipe processing equipment technical fields, and in particular to a kind of space bent pipe equipment.
Background technique
Chemical industry furnace is the heating tool of chemical industry indispensability.Currently, chemical industry furnace interior generally passes through setting furnace
Pipe is heated, and this requires boiler tube setting is scientific and reasonable.Bend pipe is inevitably used in above-mentioned boiler tube setting to carry out
The unique arrangement of boiler tube is realized in connection by the connection of bend pipe.Not requiring nothing more than bending pipe tool above has special moulding, also to meet
It is smooth in bend pipe, reach lower roughness.
Currently, for the bend pipe manufacture be using merogenesis prepare, several sections are welded again later, become one it is whole
Body.This manufacturing method complex steps, influence factor is numerous, and quality pass rate is lower, and waste of material is serious, more seriously
Solder joint polishing after welding is difficult, bend pipe subsequent use is influenced very remote.
Summary of the invention
The technical problem to be solved by the present invention is to how to overcome the shortcomings of the prior art, a kind of space bent pipe is provided and is set
It is standby, bend pipe one-step shaping is made, bend pipe shape is flexible and changeable controllable, and it is easy to operate, it is time saving and energy saving.
The technical solution of the invention is as follows: a kind of space bent pipe equipment, including base, further includes being located on base one end
Bending mechanism, the clamping device positioned at bending mechanism rear end and on base, positioned at clamping device rear end and on base
Propulsive mechanism is located at the heating mechanism above bending mechanism and/or clamping device by column；The bending mechanism and clamping machine
Certain distance is equipped between structure, the heating mechanism is equipped with induction coil, and induction coil is located at above-mentioned distance；The bending
Mechanism includes mobile device, and the mobile device load is carried out to bend pipe relative to the movement on clamping device left and right directions；
Before the propulsive mechanism includes the screw rod being located on base, the push bracket being coupled on screw rod by screw, is fixed on push bracket
The clamping of side is sat, and the screw rod is located in longitudinal orientation of base, and the screw rod is driven by the driving motor of screw rod rear end, is being pushed away
The rear side of frame is equipped with servo rotating electric machine；To bend pipe through bending mechanism, across induction coil and clamping device, it is clipped in clamping later
It takes, servo rotating electric machine is treated bend pipe and is rotated；Axis between clamping device and clamping seat is parallel with screw rod.
Further, the bending mechanism includes screw rod power device, the shifting for being coupled in by screw screw rod power device
Dynamic device, screw rod power device are secured transverse on base by the carriage rack of side, and the mobile device passes through screw rod and silk
Parent structure realizes the side-to-side movement relative to base or screw rod power device, and there are two laterally rows for the mobile device upper end installation
The pipe bending wheel of column, placement spaced apart is to bend pipe between pipe bending wheel.
Further, the clamping device includes fixing piece, is located at two groups of clamping wheels on fixing piece, is located at fixing piece side
Motor reducer, two groups of longitudinally asymmetric distributions of clamping wheel, the movement of motor reducer control clamping wheel, two groups of folders
Hold spaced apart between wheel place to bend pipe.
Further, the heating mechanism is separately fixed at bending mechanism, on clamping device by two root posts, it is described plus
Induction coil is arranged in the side of heat engine structure, is equipped with up and down adjustment screw rod and left and right adjusting silk in the heating mechanism other side
Bar, screw rod are driven by driving motor.
Further, the rear and front end of the screw rod is equipped with bearing block, and bearing block is directly anchored on base, the silk
Bar rear and front end is each attached on bearing block, and driving motor is located at the rear end of the bearing block of rear end, and driving motor drives screw rod
Movement.
Further, the lower end of the push bracket is equipped with screw, the push bracket by screw and screw structure realize relative to
The longitudinal movement of base or screw rod；The fixed clamping of the push bracket leading flank is sat, and clamping is sat by bolt adjusting size；After the push bracket
Side is equipped with rotating servo motor, and the rotating servo motor fixation is rotated to bend pipe.
Further, the screw rod is located at base longitudinal center position, and the clamping device position matches with screw rod.
Further, it is equipped with track strip in the two sides of the screw rod, the track strip is parallel with screw rod, and the track strip is solid
Dingan County is on base；The left and right sides of push bracket is equipped with balance end, and wheel or groove are equipped with below two balance ends, and balance end is logical
It crosses wheel or groove moves on track strip.
It further, further include temperature sensor and PLC programmable controller, the temperature sensor is mounted on induction
Around coil, the PLC programmable controller by electrically with temperature sensor, bending mechanism, clamping device, heating mechanism,
Propulsive mechanism is connected and is controlled.
The present invention can carry out integrated molding preparation to bend pipe, to the flexible and changeable regulation of bend pipe shape, avoid conventional method
Unitary system it is standby, efficiency greatly increases.The present invention controls heating equipment by PLC programmable controller and temperature sensor, real
Bend pipe being evenly heated during the preparation process is effectively ensured in the immediately monitoring of existing temperature, and the bend pipe thickness and diameter of preparation have guarantor
Card, quality are excellent.The present invention prepares bend pipe by mechanical distortion, and bend pipe molded dimension is stablized, and the breakage of bend pipe is avoided, and reduces residual
Secondary rate, reduces economic cost.The present invention fundamentally changes traditional first postwelding bending process, and it is hidden to avoid root of weld in bend pipe
Suffer from, be the reform of art technology, there is important progress meaning.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the embodiment of the present invention.
Specific embodiment
Referring to the drawings, a kind of space bent pipe equipment that the present invention will be described in detail.
As shown in Figure 1, a kind of space bent pipe equipment, including base 1, base 1 are rectangular parallelepiped structure, convenient for loading other knots
Structure.Bending mechanism 2 is mounted on above-mentioned 1 front end of base, bending mechanism 2, which is mounted directly, to be fixed on base 1.
The specific structure of bending mechanism 2 is as follows: bending mechanism 2 is coupled in silk including screw rod power device 21, by screw
The mobile device 22 of bar power device.Screw rod power device 21 is secured transverse on base 1 by the carriage rack 211 of side, silk
Bar power device 21 realizes power transmission by driving motor.Screw rod power device 21 is equipped with screw rod, mobile device 22 as its name suggests
Equipped with screw, side-to-side movement of the mobile device 22 by screw rod and the realization of screw structure relative to base 1 is realized.For realize to
Prepared by the bending of bend pipe A, in 22 upper end of mobile device, installation is there are two transversely arranged pipe bending wheel 23, the two pipe bending wheels 23 it
Between it is spaced apart for place to bend pipe A.
Bending mechanism 2 realize have the technical effect that mobile device 22 relative to 1 side-to-side movement of base, drive be located at it is curved
Between pipe wheel 23 to bend pipe A side-to-side movement.
It is clamping device 3 in the rear end of bending mechanism 2, clamping device 3 is also stationarily mounted on base 1, it is emphasized that
Be between bending mechanism 2 and clamping device 3 be equipped with certain space length.Above-mentioned clamping device 3 include fixing piece 31,
Two groups of clamping wheels 32 on fixing piece 31, the motor reducer 33 positioned at 31 right side of fixing piece.Two groups of clamping wheels 32 1
Group two, fixing piece 31 is directly fixedly mounted on base 1, and two groups of clamping wheels 32 are symmetrical on 1 longitudinal centre line direction of base
Distribution, also be provided between two groups of clamping wheels 32 certain distance for place to bend pipe A, motor reducer 33 can control two groups of clampings
The moving process of wheel 32.
What clamping device 3 was realized has the technical effect that under the control of motor reducer 33, by two groups of clamping wheels 32 to be curved
Pipe A is clamped or loosens.Cooperate above-mentioned mobile device 22, when mobile device 22 with when bend pipe A carry out side-to-side movement when,
It is in clamped condition that two groups of clamping wheels 32 treat bend pipe A, makes to be in longitudinal center position always to bend pipe A and provides bending counter-force.
To realize the distortion to bend pipe A, it is necessary to treat bend pipe A and be heated.
In order to realize heating, heating mechanism 4 is provided in the top of bending mechanism 2, clamping device 3.Specifically, heater
Structure 4 is equipped with two root posts 41, and two root posts 41 are separately fixed at bending mechanism 2, on clamping device 3.The leading flank of heating mechanism 4
Equipped with induction coil 42, induction coil 42 is exactly in bending mechanism
At space length between 2 and clamping device 3, induction coil 42 is highly suitable for, to guarantee to pass through induction coil to bend pipe A
42 and by two groups of clamping wheels 32.Heating mechanism 4 be an induction heating power, for adjust induction coil 42 position, in heater
The left side of structure 4 is equipped with up and down adjustment screw rod 43 and left and right adjusting screw rod 44, both screw rods are driven by equal driving motor, real
Existing induction coil 42 all around moves.
Heating mechanism 43 realize have the technical effect that when mobile device 22 with when bend pipe A carry out side-to-side movement when, two groups
It is in clamped condition that clamping wheel 32 treats bend pipe A, realizes and generates distortion power to bend pipe A.It is to be curved near induction coil 42
Pipe A local heating, heating are bent immediately to fight the distortion power generated, finally realize and be bent to bend pipe A, curved big
It is small related with distortion power, distortion time.
To bend pipe A transverse rotation itself and travel forward to realize, this structure further include positioned at 3 rear end of clamping device and
Propulsive mechanism 5 on base 1.
Above-mentioned propulsive mechanism 5 includes the screw rod 51 being located on base, the push bracket 52 being coupled on screw rod by screw, consolidates
It is scheduled on the clamping on front side of push bracket and sits 53, clamping is sat by bolt adjusting size.
The screw rod 51 is located at the longitudinal center position of base 1, and above-mentioned clamping device 3 and clamping sit the axis between 53
It is parallel with screw rod 51, guarantee that clamping wheel 32 and clamping are smoothly mounted on to bend pipe A to be sat on 53.
It is equipped with bearing block 54 in the rear and front end of screw rod 51, bearing block 54 is directly anchored on base 1, the screw rod 51
Rear and front end is each attached on bearing block 54, is equipped with driving motor 55 in the rear end of the bearing block of rear end, driving motor 55 is silk
Bar 51 provides power.It is equipped with screw 521 in the lower end of push bracket 52, push bracket 52 is realized by screw and screw structure relative to base
1 longitudinal movement；
It is equipped with rotating servo motor 56 in the trailing flank of above-mentioned push bracket 52, bend pipe A can be treated by rotating servo motor 56 and be revolved
Turn, realizes and rotated to bend pipe A.
What propulsive mechanism 5 was realized has the technical effect that two groups of clamping wheels 32 treat bend pipe A and are in releasing orientation, can to bend pipe A
Rotation is generated under the drive of rotating servo motor 56, in the behaviour for cooperating above-mentioned bending mechanism 2
Make, to realize to bend pipe A bending in Different Plane.It bends a movement to complete, two groups of clamping wheels 32, which are in, loosens shape
State, push bracket 52 travel forward under the driving of driving motor 55 with to bend pipe A, reach suitable position, carry out next section of bend pipe
Production.
For the balance for guaranteeing push bracket 52, it is equipped with balance end 522 at left and right sides of push bracket 52, is equipped with below two balance ends recessed
Slot is equipped with track strip 11 in the two sides of above-mentioned screw rod 51, and the track strip 11 is parallel with screw rod 51, and track strip 11 is fixedly mounted on
On base 1.The balance end 522 of the left and right sides of push bracket 52 is moved on the rail 11 by groove, and cooperation screw rod 51 is steady forward
Movement.
For the monitoring temperature for realizing induction coil 42, it is mounted with temperature sensor 6, near induction coil 42 so as to instant
Monitor temperature.For the control of aspect whole device, peripheral hardware PLC programmable controller, PLC programmable controller by electrically with
Temperature sensor 6, bending mechanism 2, clamping device 3, heating mechanism 4, propulsive mechanism 5 are connected and are controlled.Specifically, PLC can be compiled
Range controller controls various motors, heating element and the sensor of above-mentioned component, and PLC programmable controller can also equally carry out people
Work setting.
Usage mode:
The curved bend pipe of single side: single side push bracket 52 retreats to 1 rear end certain position of base, will to bend pipe A clamping on clamping seat 53,
Mobile device 22 with after bend pipe A carries out moving left and right certain position, treat bend pipe A and be in clamping shape by two groups of clamping wheels 32
State generates distortion power to bend pipe A.Near induction coil 42 to bend pipe A local heating, heating is bent immediately with right
The distortion power of anti-generation waits for that bend pipe A advances forward by the rotation forces of screw rod 51, be manipulated into bend pipe one section it is certain curved
The arc of bilge radius has just curved longer arc when constantly pushing screw rod 51, by the moving distance for controlling push bracket 52
Control the arc length of elbow.
The curved bend pipe of multi-panel: when bending the angle of Different Plane, before a rear push bracket 52 travels forward, control
Rotating servo motor 56 makes to turn an angle to bend pipe A.Mobile device 22 to bend pipe A with carrying out moving left and right certain position
It sets, to bend pipe A local heating, waits for bend pipe by the rotation forces of screw rod 51
A advances forward, i.e., the arc of one section of certain bending radius is bent on the angle level, when constantly pushing screw rod 51
Longer arc is just curved.
Temperature sensor 6 can give heating signal to PLC programmable controller, heat regulation power, interlock screw rod 51, adjust
52 speed of push bracket is saved, is made constant in setting value to the curved temperature of bend pipe A system.
The above is only the embodiment of the present invention, is not intended to limit the present invention in any form, any ripe
Those skilled in the art is known, without departing from the scope of the technical proposal of the invention, utilizes the method content pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications, is all within the protection scope of the claims.
Claims (9)
1. a kind of space bent pipe equipment, including base, it is characterised in that: further include the bending mechanism being located on base one end, position
In bending mechanism rear end and the clamping device on base, the propulsive mechanism positioned at clamping device rear end and on base, pass through
Column is located at the heating mechanism above bending mechanism and/or clamping device；One is equipped between the bending mechanism and clamping device
Set a distance, the heating mechanism are equipped with induction coil, and induction coil is located at above-mentioned distance；The bending mechanism includes movement
Device, the mobile device load are carried out to bend pipe relative to the movement on clamping device left and right directions；
Before the propulsive mechanism includes the screw rod being located on base, the push bracket being coupled on screw rod by screw, is fixed on push bracket
The clamping of side is sat, and the screw rod is located in longitudinal orientation of base, and the screw rod is driven by the driving motor of screw rod rear end, is being pushed away
The rear side of frame is equipped with servo rotating electric machine；To bend pipe through bending mechanism, across induction coil and clamping device, it is clipped in clamping later
It takes, servo rotating electric machine is treated bend pipe and is rotated；Axis between clamping device and clamping seat is parallel with screw rod.
2. a kind of space bent pipe equipment according to claim 1, it is characterised in that: the bending mechanism includes screw rod power
Device, the mobile device that screw rod power device is coupled in by screw, screw rod power device are laterally solid by the carriage rack of side
It is scheduled on base, the mobile device realizes the left and right fortune relative to base or screw rod power device by screw rod and screw structure
It moves, transversely arranged pipe bending wheel that there are two the mobile device upper end installations, placement spaced apart is to be curved between pipe bending wheel
Pipe.
3. a kind of space bent pipe equipment according to claim 1, it is characterised in that: the clamping device include fixing piece,
Two groups of clamping wheels, the motor reducer positioned at fixing piece side on fixing piece, two groups of longitudinally asymmetric distributions of clamping wheel are described
Motor reducer controls the movement of clamping wheel, and placement spaced apart is to bend pipe between two groups of clamping wheels.
4. a kind of space bent pipe equipment according to claim 1, it is characterised in that: the heating mechanism passes through two root posts
It is separately fixed at bending mechanism, on clamping device, induction coil is arranged in the side of the heating mechanism, another in the heating mechanism
Side is equipped with up and down adjustment screw rod and left and right adjusting screw rod, and up and down adjustment screw rod and left and right adjusting screw rod are by driving motor band
It is dynamic.
5. a kind of space bent pipe equipment according to claim 1, it is characterised in that: the rear and front end of the screw rod is equipped with
Bearing block, bearing block are directly anchored on base, and the screw rod rear and front end is each attached on bearing block, after driving motor is located at
The rear end of the bearing block at end, driving motor drive the movement of screw rod.
6. a kind of space bent pipe equipment according to claim 1, it is characterised in that: the lower end of the push bracket is equipped with screw,
The push bracket realizes the longitudinal movement relative to base or screw rod by screw and screw structure；The fixed dress of the push bracket leading flank
Folder is sat；The push bracket trailing flank is equipped with rotating servo motor, and the rotating servo motor fixation is rotated to bend pipe.
7. a kind of space bent pipe equipment according to claim 1 or 5, it is characterised in that: the screw rod is located at base longitudinal direction
Center, the clamping device position match with screw rod.
8. a kind of space bent pipe equipment according to claim 7, it is characterised in that: be equipped with track in the two sides of the screw rod
Item, the track strip is parallel with screw rod, and the track strip is fixedly mounted on base；The left and right sides of push bracket is equipped with balance end,
Wheel or groove are equipped with below two balance ends, balance end is moved on track strip by wheel or groove.
9. -6 a kind of space bent pipe equipment according to claim 1, it is characterised in that: further include temperature sensor with
And PLC programmable controller, the temperature sensor are mounted on around induction coil, the PLC programmable controller passes through electricity
Property connect and controls with temperature sensor, bending mechanism, clamping device, heating mechanism, propulsive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780658.7A CN109127822A (en) | 2018-07-17 | 2018-07-17 | A kind of space bent pipe equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780658.7A CN109127822A (en) | 2018-07-17 | 2018-07-17 | A kind of space bent pipe equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109127822A true CN109127822A (en) | 2019-01-04 |
Family
ID=64800635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810780658.7A Pending CN109127822A (en) | 2018-07-17 | 2018-07-17 | A kind of space bent pipe equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109127822A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845897A (en) * | 2020-12-29 | 2021-05-28 | 哈尔滨工业大学 | Servo cantilever structure heating device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63171220A (en) * | 1987-01-08 | 1988-07-15 | Nippon Steel Corp | Method for bending steel pipe |
| JPH02200317A (en) * | 1989-01-27 | 1990-08-08 | Mitsubishi Heavy Ind Ltd | Hot bending method for steel tube |
| CN2850747Y (en) * | 2005-12-22 | 2006-12-27 | 和和机械股份有限公司 | Tube bending machine with both rightward and leftward tube-bending function |
| CN102151726A (en) * | 2010-11-24 | 2011-08-17 | 番禺珠江钢管有限公司 | Hot bending forming process and equipment for bent pipe of steel pipe |
| CN202539294U (en) * | 2012-04-01 | 2012-11-21 | 中国石油化工股份有限公司 | Pipeline bending device |
| CN103736795A (en) * | 2014-01-10 | 2014-04-23 | 株洲双菱科技有限公司 | Steel pipe heating space bending method and heating space pipe bending machine |
-
2018
- 2018-07-17 CN CN201810780658.7A patent/CN109127822A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63171220A (en) * | 1987-01-08 | 1988-07-15 | Nippon Steel Corp | Method for bending steel pipe |
| JPH02200317A (en) * | 1989-01-27 | 1990-08-08 | Mitsubishi Heavy Ind Ltd | Hot bending method for steel tube |
| CN2850747Y (en) * | 2005-12-22 | 2006-12-27 | 和和机械股份有限公司 | Tube bending machine with both rightward and leftward tube-bending function |
| CN102151726A (en) * | 2010-11-24 | 2011-08-17 | 番禺珠江钢管有限公司 | Hot bending forming process and equipment for bent pipe of steel pipe |
| CN202539294U (en) * | 2012-04-01 | 2012-11-21 | 中国石油化工股份有限公司 | Pipeline bending device |
| CN103736795A (en) * | 2014-01-10 | 2014-04-23 | 株洲双菱科技有限公司 | Steel pipe heating space bending method and heating space pipe bending machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845897A (en) * | 2020-12-29 | 2021-05-28 | 哈尔滨工业大学 | Servo cantilever structure heating device |
| CN112845897B (en) * | 2020-12-29 | 2021-11-02 | 哈尔滨工业大学 | Servo cantilever structure heating device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190104 |