CN107214221A - A kind of interior bending machine and bending method - Google Patents
A kind of interior bending machine and bending method Download PDFInfo
- Publication number
- CN107214221A CN107214221A CN201710538154.XA CN201710538154A CN107214221A CN 107214221 A CN107214221 A CN 107214221A CN 201710538154 A CN201710538154 A CN 201710538154A CN 107214221 A CN107214221 A CN 107214221A
- Authority
- CN
- China
- Prior art keywords
- towing plate
- sliding stand
- sliding
- bending machine
- sliding shoe
- 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
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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
- B21D9/00—Bending tubes using mandrels or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of interior bending machine and bending method, including body and towing plate, body is by anterior sliding stand, middle part square body and rear portion sliding stand are constituted, anterior sliding stand and rear portion sliding stand are in round table-like, it is hollow and interior be provided with the first cylinder in the middle part of anterior sliding stand, towing plate is fixedly installed in first cylinder, slide and be provided with sliding shoe in the outer surface of anterior sliding stand and rear portion sliding stand, the second cylinder is provided with the square body side surface in middle part, second cylinder is fixedly installed middle part radial motion platform, middle part radial motion platform is frustum cone structure and center is square hollow structure, middle part radial motion platform is sheathed at the square body of middle part, slide and be provided with sliding shoe in middle part radial motion platform outer surface, towing plate is connected with sliding shoe by pull rope.The present invention interior bending machine it is easy to operate, it is simple to operate can easily reach pipeline bending effect.
Description
Technical field
The present invention relates to long distance pipeline equipment, more particularly to a kind of interior bending machine and bending method.
Background technology
In the prior art, in long distance pipeline process of deployment, due to ground environment or section laying requirement, generally require
Pipeline part bends some angle, the problems such as due to pipe material, volume, and pipeline bending is relatively difficult to achieve, using artificial progress
Bending is practically impossible to what is realized, and the outer bending machine of more use carries out the bending of pipeline, but finished for anti-corrosion
Pipeline, the destruction of anticorrosive coat is easily caused using outer bending machine, it is therefore desirable to which certain equipment carries out bending operation.
The content of the invention
It can facilitate the equipment of pipe bending in pipe-laying process it is an object of the invention to provide a kind of.
In order to achieve the above object, the invention provides a kind of interior bending machine, including body and leading positioned at body front end
Corbel back slab, the body is connected and composed by anterior sliding stand, middle part square body and rear portion sliding stand, the anterior sliding stand and rear portion
Sliding stand in round table-like, in the middle part of anterior sliding stand it is hollow and it is interior be provided with the first cylinder, the telescopic end of first cylinder is fixed
Towing plate is set, and the outer surface of the anterior sliding stand and rear portion sliding stand, which is slided, is provided with sliding shoe, the middle part square body
A side surface on be provided with the second cylinder, the telescopic end of the second cylinder is fixedly installed middle part radial motion platform, the middle part
Radial motion platform is frustum cone structure and center is square hollow structure, and the middle part radial motion platform is sheathed on the middle part side of body
At body, middle part radial motion platform outer surface is slided and is provided with sliding shoe, anterior sliding stand, the connecting portion circumference of middle part square body
Direction is provided with some elastic wheels, and rear portion sliding stand, the connecting portion circumferencial direction of middle part square body are provided with some elastic wheels, led
Corbel back slab is connected with the sliding shoe set on body by pull rope.
Specifically, being provided with chute and slip on the anterior sliding stand, rear portion sliding stand and middle part radial motion platform
The projection of block bottom is engaged sliding motion mechanism.
The setting specifically, the elastic wheel position and pull rope are staggered on body circumference.
Specifically, the cutting plane of the axial rotary of the elastic wheel is in I-shaped.
It is preferred that, the pull rope forms space through elastic wheel and body.
Specifically, the anterior sliding stand, rear portion sliding stand are identical with the taper of middle part radial motion platform.
Specifically, the anterior sliding stand is more than the diameter away from towing plate one end close to one end diameter of towing plate；
Rear portion sliding stand is more than the diameter away from towing plate one end close to one end diameter of towing plate；
Radial motion platform in middle part is more than the diameter away from towing plate one end close to one end diameter of towing plate.
As described above, the present invention be applied to pipeline tubular body, by the first cylinder promote towing plate make sliding shoe with
Inboard wall of tube body is in close contact, then power f1 of second cylinder by middle part radial motion platform to one radial direction of inboard wall of tube body, according to
Sliding shoe the power f2 to one direction of inboard wall of tube body, power f1 and power f2 side on mechanics principle, anterior sliding stand, rear portion sliding stand
To on the contrary, and then bend pipeline, interior bending machine of the invention is easy to operate, simple to operate can easily reach the effect of pipeline bending
Really.
Brief description of the drawings
Fig. 1 is a kind of interior bending machine structural representation of the present invention.
Fig. 2 is Fig. 1 A-A sectional views；
Fig. 3 is Fig. 1 B-B sectional views；
Fig. 4 is Fig. 1 C-C sectional views.
Towing plate 1, body 2, anterior sliding stand 3, rear portion sliding stand 4, middle part radial motion platform 5, sliding shoe 6, elastic wheel
7th, the first cylinder 8, the second cylinder 9, pull rope 10, body 11.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and join
According to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring this
The concept of invention.
As shown in figure 1, the invention provides a kind of interior bending machine, including body 2 and the towing plate 1 positioned at body front end.
The body 2 is connected and composed by anterior sliding stand 3, middle part square body and rear portion sliding stand 4, the anterior sliding stand 3 and rear portion
Sliding stand 4 is in round table-like, and the anterior middle part of sliding stand 3 is hollow and interior is provided with the first cylinder 8, the telescopic end of first cylinder 8
Towing plate 1 is fixedly installed, the outer surface of the anterior sliding stand 3 and rear portion sliding stand 4 is provided with chute and the bottom of sliding shoe 6
Projection is engaged on sliding motion mechanism, a side surface of the middle part square body and is provided with the second cylinder 9, the second cylinder 9
Telescopic end is fixedly installed middle part radial motion platform 5, and the middle part radial motion platform 5 is frustum cone structure and center is square hollow
Structure, the middle part radial motion platform 5 is sheathed at the middle part square body of body 2, on the side direction of middle part square body originally
Body 2 can be slided in middle part radial motion platform 5, and the outer surface of middle part radial motion platform 5 is slided and is provided with chute and the bottom of sliding shoe 6
Projection be engaged sliding motion mechanism, if the connecting portion circumferencial direction of anterior sliding stand 3, middle part square body is provided with dry elasticity
Wheel 7, rear portion sliding stand 4, the connecting portion circumferencial direction of middle part square body are provided with some elastic wheels 7, and towing plate 1 on body with setting
The sliding shoe 6 put is connected by pull rope 10.
In order to prevent interference between elastic wheel 7 and pull rope 10, it is necessary to the position of elastic wheel 7 and pull rope 10 at this
Be staggered setting on the circumference of body 2.The cutting plane of the axial rotary of the elastic wheel 7 can also be designed as I-shaped, it is described to lead
Messenger 10 forms space through elastic wheel 7 and body 11.
The anterior sliding stand 3, rear portion sliding stand 4 are identical with the taper of middle part radial motion platform 5.
The anterior sliding stand 3 is more than the diameter away from the one end of towing plate 1 close to one end diameter of towing plate 1；Slide at rear portion
Dynamic platform 4 is more than the diameter away from the one end of towing plate 1 close to one end diameter of towing plate 1；Radial motion platform 5 in middle part is close to towing plate
1 one end diameter is more than the diameter away from the one end of towing plate 1.
The interior bending machine of the present invention is used for inside pipeline body 11, and interior bending machine of the present invention is put into body 11
Portion, elastic wheel 7 is contacted with the inwall of pipeline body 11 and rotated, and space is left between sliding shoe 6 and the inwall of body 11, traction
Plate 1 is contacted with body 2.The interior bending machine is dragged in by drawstring needed in body 11 bending place, by the first cylinder 8 to
Preceding promotion towing plate 1, because towing plate 1 is linked together with sliding shoe 6 by pull rope 10, towing plate 1 travels forward, then slides
Motion block 6 can travel forward with towing plate 1, therefore sliding shoe 6 is increasingly closer to the inwall of body 11, is arrived until sliding shoe 6 is adjacent
Inner-walls of duct, then the first cylinder 8 stopping promotes towing plate 1, and then the second cylinder 9 gives body 11 by middle part radial motion platform 5
The power f1 of one radial direction of inwall, according to mechanics principle, the sliding shoe 6 on anterior sliding stand 3, rear portion sliding stand 4 is given in body 11
The power f2, power f1 and power f2 in one direction of wall are in opposite direction, and then bend pipeline.The present invention interior bending machine it is easy to operate,
It is simple to operate easily to reach the effect of pipeline bending.
When needing to move forward, the first cylinder 8 is shunk, interior bending machine of the present invention is dragged by drawstring, by
Frictional force between sliding shoe 6 and body 11 so that sliding shoe 6 is slided backward so that the shape between sliding shoe 6 and body 11
Into space, now elastic wheel 7 starts rotation, and towing plate 1 is contacted with body 2.The interior bending machine is dragged forward by drawstring,
Go round and begin again, be finally completed the bending of pipeline body 11.
It should be appreciated that the above-mentioned embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.In addition, appended claims purport of the present invention
Covering the whole changes fallen into scope and border or this scope and the equivalents on border and repairing
Change example.
Claims (9)
1. a kind of interior bending machine, it is characterised in that the towing plate (1) including body (2) and positioned at body (2) front end, described
Body (2) is connected and composed by anterior sliding stand (3), middle part square body and rear portion sliding stand (4), the anterior sliding stand (3) and after
Portion's sliding stand (4) is hollow in the middle part of anterior sliding stand (3) and interior be provided with the first cylinder (8), first cylinder in round table-like
(8) towing plate (1) is fixedly installed in telescopic end, and the outer surface slip of the anterior sliding stand (3) and rear portion sliding stand (4) is set
Have and the second cylinder (9) is provided with sliding shoe (6), a side surface of the middle part square body, the telescopic end of the second cylinder (9) is consolidated
Surely middle part radial motion platform (5) is provided with, the middle part radial motion platform (5) is frustum cone structure and center is square hollow knot
Structure, the middle part radial motion platform (5) is sheathed at the middle part square body of body (2), and middle part radial motion platform (5) outer surface is slided
Dynamic to be provided with sliding shoe (6), anterior sliding stand (3), the connecting portion circumferencial direction of middle part square body are provided with some elastic wheels
(7), rear portion sliding stand (4), the connecting portion circumferencial direction of middle part square body are provided with some elastic wheels (7), towing plate (1) and sheet
The sliding shoe (6) set on body (2) is connected by pull rope (10).
2. interior bending machine according to claim 1, it is characterised in that the anterior sliding stand (3), rear portion sliding stand (4)
Sliding motion mechanism is engaged with chute is provided with middle part radial motion platform (5) with the projection of sliding shoe (6) bottom.
3. interior bending machine according to claim 1, it is characterised in that elastic wheel (7) position exists with pull rope (10)
Be staggered setting on body (2) circumference.
4. interior bending machine according to claim 1, it is characterised in that the cutting plane of the axial rotary of the elastic wheel (7)
In I-shaped.
5. interior bending machine according to claim 4, it is characterised in that the pull rope (10) is through elastic wheel (7) with managing
Body forms space between (11).
6. interior bending machine according to claim 1, it is characterised in that the anterior sliding stand (3), rear portion sliding stand (4)
It is identical with the taper of middle part radial motion platform (5).
7. interior bending machine according to claim 1, it is characterised in that
The anterior sliding stand (3) is more than the diameter away from towing plate (1) one end close to one end diameter of towing plate (1)；
The rear portion sliding stand (4) is more than the diameter away from towing plate (1) one end close to one end diameter of towing plate (1)；
Middle part radial motion platform (5) is more than the diameter away from towing plate (1) one end close to one end diameter of towing plate (1).
8. a kind of bending method, it is characterised in that interior bending machine of the present invention is put into body (11) inside, elastic wheel (7)
Contact and rotate with pipeline body (11) inwall, space, towing plate are left between sliding shoe (6) and body (11) inwall
(1) contacted with body (2), the interior bending machine, which is dragged in body (11), by drawstring needs the place of bending, to pass through the first gas
Cylinder (8) promotes forward towing plate (1), because towing plate (1) is linked together with sliding shoe (6) by pull rope (10), traction
Plate (1) travels forward, then sliding shoe (6) can travel forward with towing plate (1), therefore sliding shoe (6) is increasingly closer to body
(11) inwall, inner-walls of duct is arrived until sliding shoe (6) is adjacent, then the first cylinder (8) stops promoting towing plate (1), then second
Cylinder (9) gives the power f1 of one radial direction of body (11) inwall by middle part radial motion platform (5), and according to mechanics principle, front portion is sliding
Sliding shoe (6) on dynamic platform (3), rear portion sliding stand (4) gives power f2, power f1 and power the f2 direction in one direction of body (11) inwall
On the contrary, and then bending pipeline.
9. a kind of bending method according to claim 8, it is characterised in that when needing to move forward, by the first gas
Cylinder (8) is shunk, and interior bending machine of the present invention is dragged by drawstring, due to the frictional force between sliding shoe (6) and body (11),
So that sliding shoe (6) is slided backward so that the formation space between sliding shoe (6) and body (11), now elastic wheel (7) starts
Rotation, towing plate 1 contacts with body 2, drags the interior bending machine forward by drawstring, go round and begin again, be finally completed pipeline
The bending of body 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538154.XA CN107214221B (en) | 2017-07-04 | 2017-07-04 | Internal pipe bending machine and pipe bending method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538154.XA CN107214221B (en) | 2017-07-04 | 2017-07-04 | Internal pipe bending machine and pipe bending method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107214221A true CN107214221A (en) | 2017-09-29 |
| CN107214221B CN107214221B (en) | 2023-07-28 |
Family
ID=59951612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710538154.XA Active CN107214221B (en) | 2017-07-04 | 2017-07-04 | Internal pipe bending machine and pipe bending method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107214221B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07214179A (en) * | 1994-01-28 | 1995-08-15 | Aisin Seiki Co Ltd | Manufacture of bent pipe and its device |
| JP2006326601A (en) * | 2005-05-23 | 2006-12-07 | Comco Corp | Pipe bender and pipe bending method |
| CN2894885Y (en) * | 2005-05-09 | 2007-05-02 | 中国石油天然气管道局 | Steel pipeline cold pipe bending machine mandrel |
| CN201399513Y (en) * | 2009-04-28 | 2010-02-10 | 中国重型机械研究院有限公司 | Inner supporting type extension rod mechanism for pipe bending equipment |
| CN102688920A (en) * | 2011-12-25 | 2012-09-26 | 河南科技大学 | Pipe bender and bending method using pipe bender |
| CN202893920U (en) * | 2012-09-21 | 2013-04-24 | 芜湖通和汽车管路系统有限公司 | Bending pipe core rib used for pipeline bending pipe |
| CN103341536A (en) * | 2013-06-17 | 2013-10-09 | 中国航空工业集团公司北京航空制造工程研究所 | Tube bending inner supporting device and tube bending method |
| CN104174724A (en) * | 2014-08-15 | 2014-12-03 | 成都兴博达精密机械有限公司 | Exhaust pipe bending method |
| US20150266075A1 (en) * | 2012-06-20 | 2015-09-24 | Isobend GmbH | Device and method for bending pipes for pipelines |
| CN204912532U (en) * | 2015-08-12 | 2015-12-30 | 重庆港乾机械有限公司 | Plough quick -witted handrail tube return bend positioner a little |
| CN205463774U (en) * | 2016-03-31 | 2016-08-17 | 天津恒亚通机械有限公司 | Hydraulic pipe bender |
| CN205701972U (en) * | 2016-04-11 | 2016-11-23 | 浙江杭良锅炉制造有限公司 | Combination type bending machine |
| CN206838831U (en) * | 2017-07-04 | 2018-01-05 | 中石化石油工程技术服务有限公司 | Bending machine in a kind of long distance pipeline |
-
2017
- 2017-07-04 CN CN201710538154.XA patent/CN107214221B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07214179A (en) * | 1994-01-28 | 1995-08-15 | Aisin Seiki Co Ltd | Manufacture of bent pipe and its device |
| CN2894885Y (en) * | 2005-05-09 | 2007-05-02 | 中国石油天然气管道局 | Steel pipeline cold pipe bending machine mandrel |
| JP2006326601A (en) * | 2005-05-23 | 2006-12-07 | Comco Corp | Pipe bender and pipe bending method |
| CN201399513Y (en) * | 2009-04-28 | 2010-02-10 | 中国重型机械研究院有限公司 | Inner supporting type extension rod mechanism for pipe bending equipment |
| CN102688920A (en) * | 2011-12-25 | 2012-09-26 | 河南科技大学 | Pipe bender and bending method using pipe bender |
| US20150266075A1 (en) * | 2012-06-20 | 2015-09-24 | Isobend GmbH | Device and method for bending pipes for pipelines |
| CN202893920U (en) * | 2012-09-21 | 2013-04-24 | 芜湖通和汽车管路系统有限公司 | Bending pipe core rib used for pipeline bending pipe |
| CN103341536A (en) * | 2013-06-17 | 2013-10-09 | 中国航空工业集团公司北京航空制造工程研究所 | Tube bending inner supporting device and tube bending method |
| CN104174724A (en) * | 2014-08-15 | 2014-12-03 | 成都兴博达精密机械有限公司 | Exhaust pipe bending method |
| CN204912532U (en) * | 2015-08-12 | 2015-12-30 | 重庆港乾机械有限公司 | Plough quick -witted handrail tube return bend positioner a little |
| CN205463774U (en) * | 2016-03-31 | 2016-08-17 | 天津恒亚通机械有限公司 | Hydraulic pipe bender |
| CN205701972U (en) * | 2016-04-11 | 2016-11-23 | 浙江杭良锅炉制造有限公司 | Combination type bending machine |
| CN206838831U (en) * | 2017-07-04 | 2018-01-05 | 中石化石油工程技术服务有限公司 | Bending machine in a kind of long distance pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107214221B (en) | 2023-07-28 |
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