CN108856390A - Device is used in pipeline bending - Google Patents
Device is used in pipeline bending Download PDFInfo
- Publication number
- CN108856390A CN108856390A CN201810792081.1A CN201810792081A CN108856390A CN 108856390 A CN108856390 A CN 108856390A CN 201810792081 A CN201810792081 A CN 201810792081A CN 108856390 A CN108856390 A CN 108856390A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- arc grip
- rack
- lead screw
- bending
- 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.)
- Granted
Links
- 238000005452 bending Methods 0.000 title claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 23
- 239000010687 lubricating oil Substances 0.000 claims description 21
- 238000010422 painting Methods 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/167—Greasing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention relates to pipeline processing technical fields, specifically disclose a kind of pipeline bending device, including rack, clamping device and bending mechanism, clamping device includes two arc grip blocks being oppositely arranged, arc grip block and rack level are slidably connected and the opposite face of arc grip block is equipped with rubber bumps, two-way lead screw is equipped between two arc grip blocks, two-way lead screw is located on the downside of arc grip block and two-way lead screw is equipped with contrary screw thread, and two-way lead screw is connect with gantry rotation；Bending mechanism includes column and bending part, column is fixed on the rack, it is rotated coaxially in column and is connected with rotation axis, interconnecting piece is fixed between rotation axis and bending part, one end that rotation axis is located in rack has been fixedly and coaxially connected partial gear, rack gear is engaged between two-way lead screw and partial gear, rack gear is connect with housing slide.The process that can simplify fixed -piping before bending pipeline using this programme reduces the time cost of pipeline processing to improve pipeline processing efficiency.
Description
Technical field
The present invention relates to pipeline processing technical fields, specifically disclose a kind of pipeline bending device.
Background technique
The pipe fitting that original metal tube is produced all is linear structure, but the pipe arrived used in production application
Part is not limited to straight tube, it is often necessary to carry out bending process to pipe fitting.The prior art usually uses various bar folders and will manage
Road is bent into non-linear structure from linear structure, and when implementation needs worker that first pipeline is put into clamping device, starts clamping machine
After pipeline is clamped on bending machine table top by structure, it is rotated further by bending mechanism and pipeline is bent, worker needs to carry out a few step behaviour
Make the bending of the complete twin conduit of ability；Meanwhile it can also be applied above before being processed in the prior art to the pipeline of metal material
Lubricating oil is smeared, to prevent pipeline from generating abrasion in process or lead because having adhered to different impurity in different environments
Cause tube wall be corroded oxidation etc., and the bending mechanism of the prior art can not to pipeline carry out coating lubricating oil the step of.
Summary of the invention
The invention is intended to provide a kind of pipeline bending device, to realize the process for simplifying bending pipeline, to improve pipe
Road processing efficiency reduces the purpose of the time cost of pipeline processing.
In order to achieve the above objectives, base case of the invention is as follows：Pipeline bending device, including rack, clamping device
And bending mechanism, the clamping device include two arc grip blocks being oppositely arranged, arc grip block and rack level slide
Connection and the opposite one side of arc grip block are equipped with rubber bumps, are equipped with two-way lead screw, two-way silk between two arc grip blocks
Thick stick is located on the downside of arc grip block and two-way lead screw is equipped with contrary screw thread, and two-way lead screw is connect with gantry rotation；
The bending mechanism includes column and bending part, and column is located at the side of arc grip block and is fixed at rack
On, it is rotated coaxially in column and is connected with rotation axis, interconnecting piece is fixed between rotation axis and bending part, rotation axis is located at rack
Interior one end has been fixedly and coaxially connected partial gear, is engaged with rack gear, rack gear between the two-way lead screw and partial gear
It is connect with housing slide.
The principle and advantage of this programme are：
The arc grip block of this programme, which slides in opposition, can be realized the purpose for clamping pipeline, meanwhile, arc grip block
Sliding is driven by two-way lead screw, so arc grip block is at the uniform velocity smoothly to slide in opposition to realize the mesh for clamping pipeline
, when alleviating Quick-clamped pipeline is caused to the shock of pipeline the problem of damaging；
The two-way lead screw of this programme is driven by driving gear, and driving gear is by rack drives, and rack gear is by incomplete tooth
Wheel drives, and partial gear is driven by rotation axis, the movement linkage of partial gear and bending part, so this programme only needs
One driving mechanism is set and drives bending part rotation；
The bending part rotation of this programme can drive arc grip block that pipeline is fixed, so with first in the prior art
Pipeline is fixed to carry out bending again and is compared, this programme has saved the time that pipeline is fixed, and reduces and fixes this
Process alleviates the labor intensity of worker, also improves working efficiency；
The rubber bumps of this programme can play the role of a buffering, alleviate arc shaped slider is clamped pipeline one
Moment and pipeline, which are mutually hit, produces damage to pipeline.
Further, painting oil reservoir is additionally provided in the opposite one side of described two arc grip blocks.
It is arranged and applies oil reservoir to the outer surface coating lubricating oil of pipeline, pipeline can be alleviated and rub what cause was damaged in the process of bending
Situation, meanwhile, also it can increase by one layer of antioxidation coating for the outer surface of pipeline.
Further, accommodating chamber is additionally provided in the arc grip block, accommodating chamber, which is equipped with, drains into painting oil reservoir for lubricating oil
On discharge port, discharge port is equipped with sliding slot close to the side for applying oil reservoir, valve plate slidably connected in sliding slot, between valve plate and sliding slot
Equipped with the pressure spring for resetting valve plate, the one end of valve plate far from discharge port is protruded above from oil reservoir is applied.
Accommodating chamber can be to a certain amount of lubricating oil be stored, so this programme does not need worker and often adds to painting oil reservoir
Oil alleviates the labor intensity of worker；Valve plate is to make pipeline to enable valve plate to contact with each other with pipeline from applying oil reservoir and protruding above
Valve plate can be driven to slide together while sliding, thus the mesh for driving valve plate to close discharge port while realizing pipe slides
's.
Further, the valve plate is equipped with rubber layer far from one end of discharge port.
It is so that pipeline is driven valve plate sliding in order to increase the frictional force between valve plate and pipeline that rubber layer is arranged on valve plate
Effect become apparent from.
Further, the painting oil reservoir is cotton layer.
It is certain oil mass to be stored, to ensure that the painting to pipeline because cotton layer oil absorption capacity is strong using cotton layer
Smear the length of lubricating oil；Cotton layer material is relatively soft simultaneously, scrapes abrasion so will not generate to pipeline.
Further, the bending part is equipped with handle.
For pushing directly on bending part compared to worker, holds handle and push bending part that can make worker is more convenient to make power, and
At a distance from ensure that worker before pipeline, caused injury between pipeline and bending part is caught in when avoiding worker operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that device is used in inventive pipeline bending；
Fig. 2 is the left view of clamping device in Fig. 1；
Fig. 3 is that setting applies the positive view of oil reservoir and accommodating chamber on clamping device in Fig. 2；
Connection relationship diagram of the Fig. 4 between clamping device of the present invention and rotation axis；
Fig. 5 is the left view that valve plate is arranged in Fig. 3 on clamping device.
Specific embodiment
It is further described below by specific embodiment：
Appended drawing reference in Figure of description includes：Rack 1, rubber bumps 3, valve plate 4, sliding slot 5, is held arc grip block 2
Receive chamber 6, handle 7, discharge port 8, partial gear 9, pedestal 10, two-way lead screw 11, driven gear 12, the first rack gear 13, second
Rack gear 14, rotation axis 16, interconnecting piece 17, bending part 18, applies oil reservoir 19, rubber layer 20, pressure spring 21 at column 15.
Embodiment is substantially as shown in Fig. 1：Pipeline bending device, including rack 1, clamping device and bending mechanism, folder
Holding mechanism includes two arc grip blocks 2 being oppositely arranged, as shown in Fig. 2, arc grip block 2 is slidably connected with 1 level of rack
And the fixed adhesion of the opposite one side of arc grip block 2 has rubber bumps 3.The bottom of two arc grip blocks 2 is fixedly welded respectively
There is pedestal 10, the interior guide rail integrally formed with for guiding pedestal 10 to slide of rack 1, arc grip block 2 and rack 1 pass through pedestal
10 are slidably connected.Two-way lead screw 11 is installed, two pedestals 10 are threadedly coupled with two-way lead screw 11 respectively, two-way lead screw in guide rail
11 both ends and rack 1 are rotatablely connected, and two-way lead screw 11 is located at 2 downside of arc grip block.
As shown in Fig. 2, being also fixedly connected in the opposite one side of two arc grip blocks 2 for applying lubricating oil to pipeline
Oil reservoir 19 is applied, oil reservoir 19 is applied in the present embodiment and uses cotton layer.By taking the arc grip block 2 on right side as an example, as shown in figure 3, arc
Also integrally formed with the accommodating chamber 6 for holding lubricating oil in grip block 2, discharge port 8 has also been opened in the bottom of accommodating chamber 6, out
Material mouth 8 is connected to cotton layer, as shown in figure 5, left and right directions is sliding in sliding slot 5 also integrally formed with sliding slot 5 on arc grip block 2
The dynamic valve plate 4 being connected with for controlling the opening and closing of discharge port 8, is welded with the pressure for resetting valve plate 4 between valve plate 4 and sliding slot 5
Spring 20.The left end of valve plate 4 is fixedly connected with rubber layer 20, and the left end of rubber layer 20 as shown in Figure 3 can be with processed tube contacts.
The feed inlet for adding lubricating oil is also opened on arc grip block.
As Figure 1 and Figure 4, bending mechanism includes column 15 and bending part 18, and column 15 is located at the one of arc grip block 2
It side and is fixed in rack 1,15 central integration of column has the arc-shaped curved surface for being bonded pipeline more with 15 side of column.
Close to the side of column 15 integrally formed with the arc-shaped curved surface for Clad pipe, the right side of bending part 18 is fixed to be connected bending part 18
It is connected to handle 7.It is rotated coaxially in column 15 and is connected with rotation axis 16, be fixed with interconnecting piece between rotation axis 16 and bending part 18
17, in the present embodiment, interconnecting piece 17 is connecting rod.The bottom end of rotation axis 16 has been fixedly and coaxially connected partial gear 9, not exclusively
The side of 9 face bending part of gear, 18 side is equipped with tooth.As shown in figure 4, slidably connecting rack gear in rack 1, rack gear includes
The upper surface processing of first rack gear 13 of left end and the second rack gear 14 of right end, the first rack gear 13 is with teeth and nibbles with driven gear 12
It closes, the side of the second rack gear 14 is machined with the tooth for engaging with partial gear 9.In the present embodiment, the lower surface of rack gear is solid
Surely sliding block is connected with, integrally formed with the guide groove cooperated with sliding block in rack 1, to realize the sliding of rack gear Yu rack 1
Connection.
Specific implementation process is as follows：As shown in Figure 1, in use, be rotated by 90 ° bending part 18 counterclockwise makes bending part first
The gap between gap and two arc grip blocks 2 between 18 and column 15 is on same straight line, and pipeline is pressed from both sides from arc
The left end for holding block 2 is put between two arc grip blocks 2, and then push pipeline makes pipeline that the position bent be needed to slide into the right
Between column 15 and bending part 18.
Without using this programme pipeline bending device when, valve plate 4 can be fixed on to the position of discharge port 8 with the hard object such as wooden unit
Setting is in close state discharge port 8.In use, a certain amount of lubricating oil is added into arc grip block 2 by feed inlet,
Will, it takes out hard object and slides to keep discharge port 8 in the open state under the action of pressure spring 20 by valve plate 4, lubricating oil is by going out
Material mouth 8, which flows to, to be applied on oil reservoir 19.When pipe slides, realized with the 19 phase mutual friction of painting oil reservoir on two arc grip blocks 2
The lubricating oil applied on oil reservoir 19 is applied to the purpose on pipeline external surface.
And pipeline can be pressed downward because of the gravity of itself, rubber layer 20 is located on 2 lower half portion of arc grip block, so pipe
Road can be pressed in rubber layer 20 and with 20 phase mutual friction of rubber layer to drive rubber layer 20 to move right together when sliding, rubber
Layer 20 drives valve plates 4 to move right so that discharge port 8 is blocked in the position that valve plate 4 slides into discharge port 8, so as to avoid
A large amount of lubricating oil flow out caused lubricating oil waste from discharge port 8.So this programme can be pipeline coating lubricating oil and ratio automatically
Compared with saving lubricating oil；Meanwhile because the position of smearing is just that the right end needs of pipeline are curved when lubricating oil is more abundant when starting
The part of folding, and what the lubricating oil on later period oiling layer 19 was smeared after gradually decreasing is then the position for not needing bending process, institute
The position that lubricating oil is applied to and is most needed is also ensured while realizing with this programme and save lubricating oil.The left end of pipeline is located at
Between two arc grip blocks 2, and after the right end of pipeline is pushed between column 15 and bending part 18, bending part is rotated clockwise
18 drive the right end rotation of pipeline, and then realize the bending to pipeline.
Bending part 18 rotates initial stage, and the left end of pipeline is located in the arc-shaped curved surface of two arc grip blocks 2, so rotation is curved
The left end of 18 pipeline of folding part will not be swung.And rotate bending part 18 and will drive rotation axis 16 and rotate together, rotation axis 16 drives
Partial gear 9 rotates, and partial gear 9 is mobile with carry-over bar, and rack drives driven gear 12 rotates, and driven gear 12 drives
Two-way lead screw 11 rotates, and the two-way rotation of lead screw 11 drives two pedestals 10 to move toward one another, and pedestal 10 drives two arc clampings
Block 2 moves toward one another to realize the purpose for clamping pipeline.So this programme is that bending part 18 starts turning can be by pipe
Road clamps.
When continuing to rotate bending part 18, bending part 18 drives partial gear 9 to rotate, but partial gear 9 and the second tooth
Item 14 has been detached from meshing state, so partial gear 9 not will drive rack gear and continue to move to, so two arc grip blocks 2
Bending of the state for clamping pipeline until completing pipeline can be always maintained at.
After pipeline completes bending, the bending part 18 at the visual angle Fig. 1 is rotated counterclockwise, so that bending part 18 is set back, bending part
18 drive partial gear 9 to rotate, and partial gear 9 is mobile with carry-over bar, and rack drives driven gear 12 drives two-way in turn
Lead screw 11 rotates, and the two-way rotation of lead screw 11 drives pedestal 10 to set back, and pedestal 10 drives arc grip block 2 to reset, by pipeline
Continue to slide to take out the pipeline completed the process to the right.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise, also
Several modifications and improvements can be made, these also should be considered as protection scope of the present invention, these all will not influence of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific embodiment can be used for explaining the content of claim.
Claims (6)
1. pipeline bending device, it is characterised in that：Including rack, clamping device and bending mechanism, the clamping device includes
Two arc grip blocks being oppositely arranged, arc grip block is slidably connected with rack level and arc grip block is opposite sets on one side
There are rubber bumps, two-way lead screw is equipped between two arc grip blocks, two-way lead screw is located on the downside of arc grip block and two-way silk
Thick stick is equipped with contrary screw thread, and two-way lead screw is connect with gantry rotation；
The bending mechanism includes column and bending part, and column is located at the side of arc grip block and is fixed on the rack,
It is rotated coaxially in column and is connected with rotation axis, interconnecting piece is fixed between rotation axis and bending part, rotation axis is located in rack
One end be fixedly and coaxially connected partial gear, be engaged with rack gear between the two-way lead screw and partial gear, rack gear with
Housing slide connection.
2. pipeline bending device according to claim 1, it is characterised in that：Described two arc grip blocks it is opposite one
Painting oil reservoir is additionally provided on face.
3. pipeline bending device according to claim 2, it is characterised in that：Receiving is additionally provided in the arc grip block
Chamber, accommodating chamber, which is equipped with, drains into the discharge port applied on oil reservoir for lubricating oil, and discharge port is equipped with sliding slot close to the side for applying oil reservoir,
Valve plate is slidably connected in sliding slot, the pressure spring for resetting valve plate is equipped between valve plate and sliding slot, valve plate is far from discharge port
One end is protruded above from oil reservoir is applied.
4. pipeline bending device according to claim 3, it is characterised in that：The valve plate is set far from one end of discharge port
There is rubber layer.
5. pipeline bending device according to claim 2, it is characterised in that：The painting oil reservoir is cotton layer.
6. pipeline bending device according to claim 1, it is characterised in that：The bending part is equipped with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792081.1A CN108856390B (en) | 2018-07-18 | 2018-07-18 | Device for bending pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792081.1A CN108856390B (en) | 2018-07-18 | 2018-07-18 | Device for bending pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108856390A true CN108856390A (en) | 2018-11-23 |
| CN108856390B CN108856390B (en) | 2020-08-04 |
Family
ID=64303105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810792081.1A Active CN108856390B (en) | 2018-07-18 | 2018-07-18 | Device for bending pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108856390B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110270610A (en) * | 2019-07-22 | 2019-09-24 | 中国电建集团贵州电力设计研究院有限公司 | A kind of swan neck system of anti-pipe bending point displacement |
| CN114618922A (en) * | 2022-03-23 | 2022-06-14 | 浙江中工石化设备有限公司 | Multi-angle pipe bending machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0647449A (en) * | 1992-08-03 | 1994-02-22 | Showa Alum Corp | Bending device |
| CN102357602A (en) * | 2011-10-31 | 2012-02-22 | 苏州市天烨机械工程有限公司 | Pipe bending mold |
| CN204657196U (en) * | 2015-03-10 | 2015-09-23 | 天津杰锋钢管工贸有限公司 | Steel pipe bending apparatus |
| CN205763145U (en) * | 2016-06-15 | 2016-12-07 | 河南新科隆电器有限公司 | A kind of light-wall pipe linkage shaping mechanism |
| CN107812814A (en) * | 2017-11-01 | 2018-03-20 | 三菱重工金羚空调器有限公司 | A kind of copper tube processing device with oil spout function |
| CN208495470U (en) * | 2018-07-18 | 2019-02-15 | 重庆祥越管道配件制造有限公司 | Device is used in pipeline bending |
-
2018
- 2018-07-18 CN CN201810792081.1A patent/CN108856390B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0647449A (en) * | 1992-08-03 | 1994-02-22 | Showa Alum Corp | Bending device |
| CN102357602A (en) * | 2011-10-31 | 2012-02-22 | 苏州市天烨机械工程有限公司 | Pipe bending mold |
| CN204657196U (en) * | 2015-03-10 | 2015-09-23 | 天津杰锋钢管工贸有限公司 | Steel pipe bending apparatus |
| CN205763145U (en) * | 2016-06-15 | 2016-12-07 | 河南新科隆电器有限公司 | A kind of light-wall pipe linkage shaping mechanism |
| CN107812814A (en) * | 2017-11-01 | 2018-03-20 | 三菱重工金羚空调器有限公司 | A kind of copper tube processing device with oil spout function |
| CN208495470U (en) * | 2018-07-18 | 2019-02-15 | 重庆祥越管道配件制造有限公司 | Device is used in pipeline bending |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110270610A (en) * | 2019-07-22 | 2019-09-24 | 中国电建集团贵州电力设计研究院有限公司 | A kind of swan neck system of anti-pipe bending point displacement |
| CN114618922A (en) * | 2022-03-23 | 2022-06-14 | 浙江中工石化设备有限公司 | Multi-angle pipe bending machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108856390B (en) | 2020-08-04 |
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Effective date of registration: 20240802 Address after: No. 201, Building 37, Phase I Project of Zhongnan High tech Zhuzhou Intelligent Manufacturing Industrial Park, No. 329 Xinma West Road, Tianyuan District, Zhuzhou City, Hunan Province 412000 Patentee after: Hunan Baishide New Materials Co.,Ltd. Country or region after: China Address before: 401329 Land Fort, 7th Community, Phase I Factory Building, Hailong Village Economic Development Center, Baishiyi Town, Jiulongpo District, Chongqing City Patentee before: CHONGQING XIANGYUE PIPE PARTS MANUFACTURING CO.,LTD. Country or region before: China |
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