CN114425575A - Double-control electric hydraulic pipeline bending machine tool and bending method - Google Patents
Double-control electric hydraulic pipeline bending machine tool and bending method Download PDFInfo
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- CN114425575A CN114425575A CN202210195036.4A CN202210195036A CN114425575A CN 114425575 A CN114425575 A CN 114425575A CN 202210195036 A CN202210195036 A CN 202210195036A CN 114425575 A CN114425575 A CN 114425575A
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- 238000005452 bending Methods 0.000 title claims abstract description 158
- 238000000034 method Methods 0.000 title claims description 27
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/14—Bending rods, profiles, or tubes combined with measuring of bends or lengths
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- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to a double-control electric hydraulic pipe bending machine tool, which comprises: a base; the two hydraulic thrusters are arranged on the base; the adjusting platform is fixedly arranged on the base and positioned on the front side of the hydraulic propeller, and the height of the adjusting platform is adjustable; and the bending die is fixedly arranged on the base and positioned on one side, far away from the hydraulic propeller, of the adjusting platform, and is arc-shaped. The height-adjustable pipeline bending machine is provided with the height-adjustable adjusting platform for supporting a pipeline to be subjected to bending, the height is adjusted according to the diameter of the pipeline to be subjected to bending, so that the middle part of the pipeline to be subjected to bending corresponds to the end part of the hydraulic thruster, the hydraulic thruster can push the middle part of the pipeline to be subjected to bending and realize the bending of the pipeline by means of the bending die.
Description
Technical Field
The invention relates to the technical field of constructional engineering construction, in particular to a double-control electro-hydraulic pipeline bending machine tool and a bending method.
Background
In the existing large public buildings such as stadiums and large opera houses in China, most of electrical systems contain arc-shaped pipelines, arc-shaped pipeline processing equipment on construction sites can only meet pipeline processing below DN100, large-caliber pipelines on most construction sites are subjected to simmer bending processing by manufacturers and then directly transported to the site for installation, the method wastes time and labor, drawings need to be provided for pipeline processing manufacturers in advance, the pipelines can be wasted due to the fact that field pipelines and the drawings are different, and the arc-shaped pipelines are far not convenient and reliable as the arc-shaped pipelines are directly processed according to actual conditions on site.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a double-control electric hydraulic pipeline simmer bending machine tool and a simmer bending method, and solves the problems that the existing large-diameter pipeline simmer bending in a construction site is time-consuming and labor-consuming in hot simmer bending processing of a manufacturer, and the pipeline is wasted due to the difference.
The technical scheme for realizing the purpose is as follows:
the invention provides a double-control electric hydraulic pipe bending machine tool, which comprises:
a base;
the two hydraulic thrusters are arranged on the base;
the adjusting platform is fixedly arranged on the base and positioned on the front side of the hydraulic propeller, and the height of the adjusting platform is adjustable; and
and the bending die is fixedly arranged on the base and positioned on one side, far away from the hydraulic propeller, of the adjusting platform, and is arc-shaped.
The pipeline bending machine tool is provided with the height-adjustable adjusting platform for supporting a pipeline to be subjected to bending, the height is adjusted according to the diameter of the pipeline to be subjected to bending, so that the middle of the pipeline to be subjected to bending corresponds to the end part of the hydraulic thruster, the hydraulic thruster can push the middle of the pipeline to be subjected to bending and realize bending of the pipeline by means of the bending die.
The double-control electric hydraulic pipeline bending machine tool is further improved in that the hydraulic thruster comprises a propelling motor and a propelling rod, and the propelling motor can be transversely movably and adjustably mounted on the base;
the propelling motor is in driving connection with the propelling rod and can drive the propelling rod to perform telescopic movement adjustment;
the end part of the push rod is rotatably adjusted and connected with a bending pressure head.
The double-control electric hydraulic pipeline simmer bending machine tool is further improved in that a first marking line is arranged in the middle of the simmer bending pressure head;
a second marking line is arranged in the middle of the pipeline to be simmered;
the pipeline of bending over a slow fire is waited to the regulation platform bearing, just the second mark line with first mark line sets up relatively mutually, through adjusting the height of regulation platform makes the second mark line with first mark line is corresponding.
The double-control electric hydraulic pipeline simmer bending machine tool is further improved in that a sliding block is arranged on the base in a sliding mode, a string height scale mark is arranged on the sliding block, and the sliding block is arranged on two sides of the simmer bending die.
The double-control electric hydraulic pipeline simmer bending machine tool is further improved in that the base is also provided with pipe diameter scale marks of a pipeline to be simmer bent, and the pipe diameter scale marks are arranged on two sides of the adjusting platform.
The invention also provides a simmering method by using the double-control electric hydraulic pipeline simmering machine tool, which comprises the following steps:
placing the pipeline to be simmered on the adjusting platform, and adjusting the height of the adjusting platform to enable the middle of the pipeline to be simmered to be opposite to the hydraulic thruster;
starting two hydraulic thrusters to prop against the pipeline to be subjected to simmering bending;
utilize a hydraulic pressure propeller to the direction of simmer bending mould pushes away the one side of the pipeline of waiting simmer bending, until the one side bending of the pipeline of waiting simmer bending targets in place, recycle another hydraulic pressure propeller to the direction of simmer bending mould pushes away the opposite side of the pipeline of waiting simmer bending, until the opposite side bending of the pipeline of waiting simmer bending targets in place.
The bending method is further improved in that the hydraulic thruster can be transversely movably and adjustably mounted on the base;
when treating the pipeline of bending over a slow fire the elbow, through adjusting hydraulic pressure propeller's position carries out the operation of multipoint bending over a slow fire in order to treat the pipeline of bending over a slow fire.
The bending method is further improved in that after the pipeline to be subjected to bending is placed on the adjusting platform, a second marking line is arranged in the middle of the pipeline to be subjected to bending;
arranging a first marking line at the end part of the hydraulic thruster;
when the height of the adjusting platform is adjusted, the second marking line corresponds to the first marking line;
when treating the pipeline of bending over a slow fire and bend over a slow fire, observe first mark line with whether the coincidence of second mark line takes place the distortion in order to judge the pipeline of treating the bending over a slow fire and bend over a slow fire.
The simmering method is further improved in that a sliding block is arranged on the base in a sliding mode, and chord height scale marks are arranged on the sliding block;
before treating the pipeline of bending over a slow fire the bending over a slow fire, adjust the sliding block makes 0 scale of string height scale mark is aligned with the center of treating the pipeline of bending over a slow fire.
The bending method is further improved in that the end part of the hydraulic pusher is rotatably adjusted and connected with a bending pressure head;
in the process of pushing the pipeline to be simmered by using the hydraulic pusher, the simmered pressure head is manually adjusted to enable the simmered pressure head to be tightly attached to the surface of the pipeline to be simmered.
Drawings
FIG. 1 is a front view of the double-control electro-hydraulic pipe bending machine tool of the present invention.
FIG. 2 is a side view of the double-control electro-hydraulic pipe bending machine tool of the present invention.
FIG. 3 is a top view of the double-control electro-hydraulic pipe bending machine tool of the present invention.
Fig. 4 and 5 are schematic structural views of bending pipelines of the double-control electric hydraulic pipeline bending machine tool.
FIG. 6 is a flow chart of a simmering method of the double-control electric hydraulic pipeline simmering machine tool of the invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a double-control electric hydraulic pipeline simmer bending machine tool and a simmer bending method, which are used for meeting the requirements of machining of an arc-shaped pipeline from DN100 to DN400 and filling the blank of the machining field of the large-diameter arc-shaped pipeline in electromechanical construction. The double-control electro-hydraulic pipe bending machine tool and the bending method of the invention are explained below with reference to the accompanying drawings.
Referring to fig. 1, a front view of the double-control electro-hydraulic pipe bending machine of the present invention is shown. Referring to fig. 2, a side view of the double-control electro-hydraulic pipe bending machine of the present invention is shown. The double-control electro-hydraulic pipe bending machine tool of the invention is explained below with reference to fig. 1 and 2.
As shown in fig. 1 and 2, the double-control electro-hydraulic pipe bending machine tool of the present invention includes a base 21, two hydraulic thrusters 22, an adjusting platform 23 and a bending mold 24, wherein the two hydraulic thrusters 22 are arranged on the base 21, and the two hydraulic thrusters 22 are oppositely arranged on the left and right sides of the base; the adjusting platform 23 is fixedly arranged on the base 21, the adjusting platform 23 is positioned at the front side of the hydraulic thruster 22, and the height of the adjusting platform 23 is adjustable; the bending die 24 is fixedly arranged on the base 21, the bending die 24 is positioned on one side of the adjusting platform 23 far away from the hydraulic thruster 22, and the bending die 24 is arc-shaped.
When the pipeline is subjected to simmering bending, the pipeline to be simmered can be placed on the adjusting platform 23, the height of the adjusting platform 23 is adjusted according to the size of the pipeline to be simmered, so that the middle part of the pipeline to be simmered is arranged corresponding to the hydraulic thruster 22, and the hydraulic thruster 22 can push the middle part of the pipeline to be simmered. The bending die is arc-shaped, when bending the pipeline, pushes away the part that the pipeline corresponds through hydraulic thruster, combines shown in fig. 4 and 5, lets pipeline and bending die paste mutually, and the spacing through bending die becomes the arc pipeline with the pipeline bending.
In one embodiment of the present invention, as shown in fig. 2 and 3, the hydraulic thruster 22 includes a thrusting motor 221 and a thrusting rod 222, the thrusting motor 221 is mounted on the base 21 in a laterally adjustable manner, the thrusting motor 221 is connected to the thrusting rod 222 in a driving manner and can drive the thrusting rod 222 to perform telescopic adjustment; a simmer ram 223 is rotatably adjustably attached to the end of the ram 222.
When pushing a pipeline to be simmered, the pushing motor 221 is started to drive the pushing rod 222 to extend forwards, as shown in fig. 4 and 5, a simmered pressing head at the end of the pushing rod 222 abuts against the pipeline to be simmered, the pipeline to be simmered bends along with the extension of the pushing rod 222 and is attached to the simmered bending die 24, when the pipeline bends, the simmered pressing head 223 can be adjusted through manual rotation, the simmered pressing head 223 is attached to the surface of the pipeline to be bent, and therefore the simmered pressing head 223 can completely transmit the acting force of the pushing rod to the pipeline. Preferably, the simmer ram 223 is fastened to the end of the pushing rod 222 by a bolt, and when the simmer ram 223 needs to be adjusted by rotation, the adjustment can be performed by loosening the bolt, and after the adjustment, the bolt is tightened to fix the simmer ram 223.
But propulsion motor 221 lateral shifting adjusting position, when treating the pipeline of bending a fire the operation, through the position of adjusting propulsion motor 221, can make the pushing ram 222 carry out the multiple spot bending a fire to the pipeline, so can guarantee that the radian of the pipeline of bending out is even, level and smooth, improves bending an fire effect and quality.
Preferably, a simmer push point is marked on the pipeline to be simmered, and the position of the push motor 221 is adjusted according to the marked simmer push point. When bending, carry out many times repeatedly bending to each bending pushing point, can ensure that the bending radian of pipeline satisfies the requirement.
In one embodiment of the present invention, a first marking line is provided at the middle of the simmer bending ram 223; a second marking line is arranged in the middle of the pipeline to be simmered; the pipeline to be simmered is arranged on the adjusting platform 23, the second marking line is arranged opposite to the first marking line, and the second marking line corresponds to the first marking line by adjusting the height of the adjusting platform 23.
The second marking line and the first marking line that set up have played the sign effect, can conveniently adjust the altitude mixture control of platform 23, let the middle part of pipeline align with the middle part of hydraulic pressure propeller 22's bending over pressure head 223. In addition, in the process of bending the pipeline, the second marking line and the first marking line can also mark whether the pipeline is twisted, when the bending pressure head is adjusted in a rotating mode, the bending pressure head is attached to the surface of the pipeline, whether the second marking line is overlapped with the first marking line or not can be observed, if yes, the pipeline is not twisted, and if not, the pipeline is twisted. The first marking line and the second marking line are both straight lines.
When the pipeline is twisted, the hydraulic thruster 22 needs to be reset, and after the pipeline rebounds, the position is readjusted and the bending is carried out. In the process of bending the pipeline, the bending effect of the pipeline is confirmed in an auxiliary mode through the second marking lines and the first marking lines, and the bending quality of the pipeline can be guaranteed.
In one embodiment of the present invention, as shown in fig. 1 to 3, a sliding block is slidably disposed on the base 21, and the sliding block is provided with a string height scale 213 and disposed on two sides of the simmer bending mold 24.
Preferably, the base 21 is provided with a sliding slot 211, and a sliding block is slidably disposed in the sliding slot 211, and the sliding block can be slidably adjusted along the sliding slot 211, so as to adjust the position of the chord height scale mark 213.
After placing the pipeline on adjusting the platform, the position of removal regulation sliding block lets 0 scale of chordal height scale mark 213 align with the center of pipeline, and then at the in-process of pipeline simmer bend, the chordal height that the pipeline simmer bend was identified to accessible chordal height scale mark 213. In order to facilitate observation of the chord height, a center mark is arranged at the pipe orifice of the pipeline, and the center mark is used for reading the chord height of the simmer bend.
Furthermore, a pipe diameter scale 212 of the pipeline to be simmered is also arranged on the base 21, and the pipe diameter scale 212 is arranged on two sides of the adjusting platform 23. The center of the corresponding pipe can be marked by using the pipe diameter scale mark 212, so that the sliding block can be conveniently adjusted.
Preferably, the pipe diameter scale line 212 includes DN100, DN125, DN150, DN200, DN250, DN300, DN350 and DN400 scales corresponding to the size of the pipes DN100, DN125, DN150, DN200, DN250, DN300, DN350 and DN400, respectively. When the pipeline of the DN100 is placed on the adjusting platform 23 and the hydraulic thruster 22 pushes the pipeline of the DN100 to be attached to the simmer bending mould 24, the center of the pipeline of the DN100 is aligned with the DN100 scale on the pipe diameter scale line 212.
In one embodiment of the present invention, the adjusting platform 23 is attached to or adjacent to the bending die 24, so that the middle of the pipe on the adjusting platform 23 is attached to the bending die 24.
In an embodiment of the present invention, a control cabinet 25 is further disposed on the base 21, the control cabinet 25 provides power and power for the hydraulic thruster and the adjusting platform, and a control button is further disposed on the control cabinet 25 to control the operation of the hydraulic thruster and the adjusting platform.
Furthermore, a controller is arranged in the control cabinet 25, and parameters such as pipe diameter, simmering and bending string height and the like can be input into the controller for automatic simmering and bending.
The propulsion motor of the hydraulic thruster is preferably a three-phase asynchronous motor. The adjusting platform comprises a driving cylinder and a platform plate fixedly arranged at the top of the driving cylinder, and the driving cylinder can drive the platform plate to be adjusted in a lifting mode.
The invention also provides a bending method by using the double-control electric hydraulic pipeline bending machine tool, which is explained below.
As shown in fig. 6, the bending method of the present invention includes the following steps:
step S11 is executed, the pipeline to be simmered is placed on an adjusting platform, and the height of the adjusting platform is adjusted to enable the middle of the pipeline to be simmered to be opposite to the hydraulic thruster; then, step S12 is executed;
step S12 is executed, two hydraulic thrusters are started to push the pipeline to be simmered and bent tightly; then, step S13 is executed;
and S13, pushing one side of the pipeline to be simmered in the direction of the simmered bending mould by using one hydraulic thruster until the one side of the pipeline to be simmered is bent in place, and pushing the other side of the pipeline to be simmered in the direction of the simmered bending mould by using the other hydraulic thruster until the other side of the pipeline to be simmered is bent in place.
In one embodiment of the present invention, as shown in fig. 1 to 3, the hydraulic thruster 22 is mounted on the base 21 so as to be laterally movable and adjustable;
referring to fig. 4 and 5, when the pipe to be simmered is simmered, the position of the hydraulic thruster 22 is adjusted to perform multi-point simmering operation on the pipe to be simmered.
Preferably, a plurality of simmering pushing points are arranged on the pipeline to be simmered, and when the pipeline is pushed by the hydraulic thruster, the position of the hydraulic thruster is adjusted to enable the hydraulic thruster to correspond to the corresponding simmering pushing points, so that the pipeline is subjected to multi-point simmering. When bending, carry out many times repeatedly bending to each bending pushing point, can ensure that the bending radian of pipeline satisfies the requirement.
In one embodiment of the invention, after the pipeline to be simmered is placed on the adjusting platform, a second marking line is arranged in the middle of the pipeline to be simmered;
arranging a first marking line at the end part of the hydraulic thruster;
when the height of the adjusting platform is adjusted, the second marking line corresponds to the first marking line;
when treating the pipeline of bending by fire and bending by fire, observe first mark line and second mark line whether coincide in order to judge whether the pipeline of treating the bending by fire takes place the distortion.
First marking line and second marking line are the straight line, play the sign effect, can be convenient for adjust the altitude mixture control of platform, can also in time discover whether the distortion has taken place for the pipeline, specifically, at the bending over a slow fire in-process, rotate and adjust the bending over a slow fire pressure head, let the bending over a slow fire pressure head paste with the surface of pipeline mutually, can observe this moment whether the second marking line coincides mutually with first marking line, if then indicate the pipeline does not take place the distortion, if do not coincide, then indicate that the pipeline has taken place the distortion.
In one embodiment of the present invention, as shown in fig. 4 and 5, a sliding block is slidably disposed on the base, and the sliding block is provided with a chord height scale line 213;
before the pipe to be simmered is simmered, the slide block is adjusted so that the 0 scale of the chordal height scale mark 213 is aligned with the center of the pipe to be simmered.
Furthermore, a pipe diameter scale 212 of the pipeline to be simmered is also arranged on the base 21, and the pipe diameter scale 212 is arranged on two sides of the adjusting platform 23. The center of the corresponding pipe can be marked by using the pipe diameter scale mark 212, so that the sliding block can be conveniently adjusted. When adjusting the chord height scale mark, let 0 scale of chord height scale mark align with the pipe diameter scale mark that corresponds, later accessible chord height scale mark convenient the string height of reading out the pipeline bending.
And further, when bending the pipeline, observing the position of the center of the pipe orifice of the pipeline, and stopping pushing of the hydraulic propeller when the center of the pipe orifice is intersected with the designed chord height position marked on the chord height scale mark.
In one embodiment of the invention, the end part of the hydraulic pusher is rotatably adjusted and connected with a bending ram;
in the process of pushing the pipeline to be simmered by using the hydraulic pusher, the simmered bending pressure head is manually adjusted to enable the simmered bending pressure head to be tightly attached to the surface of the pipeline to be simmered.
Preferably, the simmer ram 223 is fastened to the end of the pushing rod 222 by a bolt, and when the simmer ram 223 needs to be adjusted by rotation, the adjustment can be performed by loosening the bolt, and after the adjustment, the bolt is tightened to fix the simmer ram 223.
The automatic control system adopts two automatic and manual control modes, can meet the requirements of bending pipelines with different specifications and different radians, is simple and convenient to operate, saves the production cost, and reduces potential safety hazards caused by other non-special machines.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. The utility model provides a two accuse electronic hydraulic pressure pipeline bending machine beds which characterized in that includes:
a base;
the two hydraulic thrusters are arranged on the base;
the adjusting platform is fixedly arranged on the base and positioned on the front side of the hydraulic propeller, and the height of the adjusting platform is adjustable; and
and the bending die is fixedly arranged on the base and positioned on one side, far away from the hydraulic propeller, of the adjusting platform, and is arc-shaped.
2. The double-control electro-hydraulic pipe bending machine tool according to claim 1, wherein the hydraulic thruster comprises a thrusting motor and a thrusting rod, and the thrusting motor is transversely movably and adjustably mounted on the base;
the propelling motor is in driving connection with the propelling rod and can drive the propelling rod to perform telescopic movement adjustment;
the end part of the push rod is rotatably adjusted and connected with a bending pressure head.
3. The double-control electro-hydraulic pipeline bending machine tool according to claim 2, wherein a first marking line is arranged in the middle of the bending press head;
a second marking line is arranged in the middle of the pipeline to be simmered;
the adjusting platform supports a pipeline to be simmered, the second marking line and the first marking line are arranged oppositely, and the height of the adjusting platform is adjusted to enable the second marking line to correspond to the first marking line.
4. The double-control electro-hydraulic pipe bending machine tool according to claim 1, wherein a sliding block is slidably arranged on the base, the sliding block is provided with string height scale marks, and the sliding block is arranged on two sides of the bending die.
5. The dual-control electro-hydraulic pipe bending machine tool according to claim 1, wherein the base is further provided with pipe diameter scales of a pipe to be bent, and the pipe diameter scales are arranged on two sides of the adjusting platform.
6. A simmer bending method using the double-controlled electro-hydraulic pipe simmer bending machine tool according to claim 1, comprising the steps of:
placing the pipeline to be simmered on the adjusting platform, and adjusting the height of the adjusting platform to enable the middle of the pipeline to be simmered to be opposite to the hydraulic thruster;
starting two hydraulic thrusters to prop against the pipeline to be subjected to simmering bending;
utilize a hydraulic pressure propeller to the direction of simmering bending mould pushes away one side of the pipeline of waiting to simmering bending, until the one side of the pipeline of waiting to simmering bending is crooked target in place, reuse another hydraulic pressure propeller to the direction of simmering bending mould pushes away the opposite side of the pipeline of waiting to simmering bending, until the opposite side of the pipeline of waiting to simmering bending is crooked target in place.
7. A method of bending a pipe according to claim 6, wherein the hydraulic rams are laterally adjustably mounted on the base;
when treating the pipeline of bending over a slow fire the elbow, through adjusting hydraulic pressure propeller's position carries out the operation of multipoint bending over a slow fire in order to treat the pipeline of bending over a slow fire.
8. The simmering method of claim 6, wherein after the pipe to be simmered is placed on the adjustable platform, a second marking line is provided at the middle of the pipe to be simmered;
arranging a first marking line at the end part of the hydraulic thruster;
when the height of the adjusting platform is adjusted, the second marking line corresponds to the first marking line;
when treating the pipeline of bending over a slow fire and bend over a slow fire, observe first mark line with whether the coincidence of second mark line takes place the distortion in order to judge the pipeline of treating the bending over a slow fire and bend over a slow fire.
9. The simmer bending method of claim 6, wherein a sliding block is slidably disposed on the base, and the sliding block is provided with a string height scale mark;
before treating the pipeline of bending over a slow fire the bending over a slow fire, adjust the sliding block makes 0 scale of string height scale mark is aligned with the center of treating the pipeline of bending over a slow fire.
10. A method of bending a pipe in accordance with claim 6, wherein the end of said hydraulic ram is rotatably adjustable to connect to a bending ram;
in the process of pushing the pipeline to be simmered by using the hydraulic pusher, the simmered pressure head is manually adjusted to enable the simmered pressure head to be tightly attached to the surface of the pipeline to be simmered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210195036.4A CN114425575B (en) | 2022-03-01 | 2022-03-01 | Double-control electric hydraulic pipeline bending machine tool and bending method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210195036.4A CN114425575B (en) | 2022-03-01 | 2022-03-01 | Double-control electric hydraulic pipeline bending machine tool and bending method |
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| CN114425575A true CN114425575A (en) | 2022-05-03 |
| CN114425575B CN114425575B (en) | 2024-06-14 |
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| EP2248611A1 (en) * | 2009-05-06 | 2010-11-10 | CML International S.P.A. | A machine for continuously bending an elongated workpiece at predetermined radii |
| CN201684818U (en) * | 2010-05-07 | 2010-12-29 | 浙江精工钢结构有限公司 | Mechanized cold bending equipment for steel pipe |
| CN107520296A (en) * | 2017-08-18 | 2017-12-29 | 中建三局安装工程有限公司 | A kind of arc pipe processing unit (plant) |
| CN108655226A (en) * | 2018-06-29 | 2018-10-16 | 中国电建集团核电工程有限公司 | The flat bending machine of Multifunction flat molten steel |
| CN208303564U (en) * | 2018-05-16 | 2019-01-01 | 中铁十九局集团电务工程有限公司 | A kind of multitube material bending device |
| CN213728710U (en) * | 2020-09-23 | 2021-07-20 | 中国核工业二三建设有限公司 | Stainless steel pipe bending machine's device |
| CN214768056U (en) * | 2021-06-11 | 2021-11-19 | 中建八局第二建设有限公司 | Pipeline bending machine ware |
-
2022
- 2022-03-01 CN CN202210195036.4A patent/CN114425575B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2248611A1 (en) * | 2009-05-06 | 2010-11-10 | CML International S.P.A. | A machine for continuously bending an elongated workpiece at predetermined radii |
| CN201684818U (en) * | 2010-05-07 | 2010-12-29 | 浙江精工钢结构有限公司 | Mechanized cold bending equipment for steel pipe |
| CN107520296A (en) * | 2017-08-18 | 2017-12-29 | 中建三局安装工程有限公司 | A kind of arc pipe processing unit (plant) |
| CN208303564U (en) * | 2018-05-16 | 2019-01-01 | 中铁十九局集团电务工程有限公司 | A kind of multitube material bending device |
| CN108655226A (en) * | 2018-06-29 | 2018-10-16 | 中国电建集团核电工程有限公司 | The flat bending machine of Multifunction flat molten steel |
| CN213728710U (en) * | 2020-09-23 | 2021-07-20 | 中国核工业二三建设有限公司 | Stainless steel pipe bending machine's device |
| CN214768056U (en) * | 2021-06-11 | 2021-11-19 | 中建八局第二建设有限公司 | Pipeline bending machine ware |
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| CN114425575B (en) | 2024-06-14 |
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