CN106425405B - The quick collars of overhung type straightening machine replaces device - Google Patents
The quick collars of overhung type straightening machine replaces device Download PDFInfo
- Publication number
- CN106425405B CN106425405B CN201611117249.6A CN201611117249A CN106425405B CN 106425405 B CN106425405 B CN 106425405B CN 201611117249 A CN201611117249 A CN 201611117249A CN 106425405 B CN106425405 B CN 106425405B
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- Prior art keywords
- frame
- collars
- straightening machine
- hanging plate
- quick
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
-
- 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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
-
- 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
Abstract
The present invention provides a kind of quick collars replacement device of overhung type straightening machine.Including frame, the frame is equipped with multiple for clamping the clamping device of collars；It further include the telescopic device for pushing frame to move horizontally to straightening machine frame；The dynamic structure that the telescopic device includes the guide frame connecting with frame, is moved horizontally for driver framework along guide frame；The clamping device includes the holding holes being arranged on frame and multiple snap-gauges for being arranged in around holding holes, is additionally provided on the frame for driving movement inside and outside the snap-gauge to clamp and unclamp the driving structure of collars.The purpose of the present invention is to provide a kind of quick collars of overhung type straightening machine to replace device, so that collars replacing construction is greatly reduced on line, and reduces labourer and produces intensity.
Description
Technical field
The invention belongs to beam straightening technical fields, more particularly to a kind of quick collars replacement dress of overhung type straightening machine
It sets.
Background technique
Currently, middle-size and small-size cantilevered section straightener currently in use is substantially all use when replacing collars both at home and abroad
The pattern of single collars group replacement — that is, locking device on each working roll shaft end is unclamped first, then use crane or outstanding
Arm is hung removes each collars group one by one, is placed on collars area；When installing collars, sequence is opposite.This replacement collars bring
Problem is operator's large labor intensity, and roll changing time is long, occupies a large amount of production time.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of overhung type straightening machine quick rolls
Ring more changing device so that collars replacing construction is greatly reduced on line, and reduces labourer and produces intensity.
In order to achieve the above objects and other related objects, the present invention provides a kind of quick collars replacement dress of overhung type straightening machine
It sets.Including frame, the frame is equipped with multiple for clamping the clamping device of collars；It further include for pushing frame to aligning
The mobile telescopic device of machine rack level.
Further, the telescopic device includes the guide frame connecting with frame, is used for driver framework along guide frame
The dynamic structure moved horizontally.
Further, the telescopic device is connect by lifting lug with frame, and the frame includes upper frame and lower box
Frame is equipped with hoisting screw in the upper frame and lower frame.
Further, the guide frame includes two groups of guide posts, and two groups of guide posts are connected with frame or so end respectively, institute
It states and is arranged with guide sleeve outside guide post, which is mounted on straightening machine frame, and the guide post and frame are direct or indirect
Connection.
Further, guide post described in every group includes upper and lower two guide posts disposed in parallel, the front end of every group of guide post
It is connected on same connecting plate, rear end is connected on same hanging plate, and the hanging plate is connect with frame, and the hanging plate is equipped with and is used for
It is clamped the blocked hole of upper frame and lower frame lifting lug.
Further, the dynamic structure includes two spiral lifts corresponding with two groups of guide posts, the spiral lifting
The lead screw of machine is arranged in parallel with corresponding guide post, and one end of the lead screw is connected with corresponding connecting plate.
Further, the dynamic structure further includes the driving motor being mounted on straightening machine frame and connecting shaft, described
Connecting shaft both ends are connected separately with a transmission mechanism, the corresponding one group of guide post of each transmission mechanism, and the transmission mechanism includes
Bevel gear box, universal-joint spindle, the bevel gear box with connect axis connection；The universal-joint spindle lower end is connect with spiral lift,
Upper end is connect with bevel gear box.
Further, the clamping device includes the holding holes being arranged on frame and is arranged in multiple around holding holes
Snap-gauge is additionally provided on the frame for driving movement inside and outside the snap-gauge to clamp and unclamp the driving structure of collars.
Further, the driving structure includes two link mechanisms being symmetrical set, and the link mechanism includes
The upper shaft of setting symmetrical above and below and lower side axle are connected with upper connecting rod in the upper shaft, are connected with down in the lower side axle
Connecting rod, is additionally provided with intermediate bar between the upper connecting rod and lower connecting rod, the upper shaft is further fixed on for clamping collars
Upper snap-gauge, the lower side axle be equipped with for clamping collars lower snap-gauge；It further include rotating handle, for fixing rotating handle
Fixed pin, the rotating handle is arranged in upper shaft or lower side axle.
A kind of replacing options of the quick collars of overhung type straightening machine, including remove old roller step, the new roller step of installation；
It is described to remove old roller step and include,
1, start telescopic device, hanging plate is made to move to position 2；
3, frame is sling, is moved to position 2, and lifting lug is connected in the blocked hole of hanging plate；
4, start telescopic device, hanging plate is made to drive frame movement to position 1；
5, rotating handle is pulled, clamping device is made to clamp collars；
6, start telescopic device, hanging plate is made to drive frame movement to position 2；
7, frame is sling, is moved to collars area；
The new roller step of the installation includes,
A, collars is sling, is placed on frame one by one, and clamped by clamping device；
B, start telescopic device, hanging plate is made to move to position 2；
C, frame is sling, is moved to position 2, and lifting lug is connected in the blocked hole of hanging plate；
D, start telescopic device, hanging plate is made to move to position 1；
E, rotating handle is pulled, clamping device is made to unclamp collars；
F, frame is sling, is moved to collars area.
As described above, the invention has the following advantages:
1, since the step of installation and disassembly of most of collars is all online lower progress, it can be greatly reduced and stop
The machine time, to meet the production requirement for completing collars replacement in 30 minutes；
2, the work of installation and the disassembly of collars is all automatically performed on line, without human intervention, therefore can be greatly reduced
Labor intensity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of quick collars of overhung type straightening machine of the present invention replaces device；
Fig. 2 is the structural schematic diagram of upper frame of the present invention；
Fig. 3 is the structural schematic diagram of lower frame of the present invention；
Fig. 4 is the structural schematic diagram of telescopic device of the present invention；
Fig. 5 is the structural schematic diagram of link mechanism of the present invention；
Fig. 6 is the structural schematic diagram of clamping device of the present invention
Fig. 7 is the structural schematic diagram of hanging plate of the present invention；
Fig. 8 is the present invention and straightener positional diagram.
Piece mark explanation
1 frame
10 link mechanisms
Snap-gauge on 101
102 upper connecting rods
103 upper shafts
104 intermediate bars
105 rotating handles
106 fixed pins
107 lower side axles
108 lower connecting rods
109 lower snap-gauges
11 upper frames
12 lower frames
13 hoisting screws
14 lifting lugs
15 pin holes
16 positioning pins
2 guide frames
21 connecting plates
22 guide posts
23 hanging plates
231 blocked holes
3 dynamic structures
31 bevel gear boxes
32 universal-joint spindles
33 connecting shafts
4 spiral lifts
41 lead screws
5 positions 2
6 positions 1
7 straightening machine frames
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Fig. 1 is please referred to Fig. 8.In order to describe the present invention in detail, next the present invention is illustrated: a kind of
The quick collars of overhung type straightening machine replaces device, including frame 1, and frame 1 includes upper frame 11 and lower frame 12, upper box
Frame 11 is similar with 12 structure of lower frame, be it is U-shaped, in this way convenient for connecting both ends with guide frame 2, then facilitate in the middle part of lean on
Nearly straightening machine frame 7, and both ends are also used to connect and lift by crane.In the present embodiment, upper frame 11 is filled equipped with multiple clampings
It sets, the quantity and mutual alignment relation of clamping device are corresponding with the collars on straightener upper layer, similarly the folder of lower frame 12
It is corresponding with the collars of straightener lower layer to hold device.Lifting spiral shell is equipped in the left and right ends of upper frame 11 and lower frame 12
Nail, is equipped with pin hole 15 in the downside of 11 left and right ends of upper frame, is equipped with positioning pin in the upside of 12 left and right ends of lower frame
16.In this way, upper frame 11 is placed in lower frame 12, positioning pin 16 and pin hole 15 play the role of connection positioning.?
The left and right ends of upper frame 11 and lower frame 12 are additionally provided with lifting lug 14, which is stepped cylinder, for stretch
Compression apparatus clamping enables telescopic device to push 1 horizontal movement of frame.
Telescopic device includes the guide frame 2 connecting with frame 1, moves horizontally along guide frame 2 for driver framework 1
Dynamic structure 3.
Guide frame 2 includes left and right two groups of guide posts 22, and every group of guide post 22 includes upper and lower two guiding disposed in parallel
Column 22, the front end of every group of guide post 22 are fixedly connected on same connecting plate 21, and rear end is fixedly connected on same hanging plate 23.It hangs
Plate 23 is equipped with the blocked hole 231 for being clamped with lifting lug 14.The guide post 22 in left side is left by the hanging plate 23 and frame 1 in left side
The lifting lug 14 at end is clamped, and the guide post 22 on right side is clamped by the hanging plate 23 on right side and the lifting lug of 1 right end of frame, in this way, frame
As soon as frame 1 and guide frame 2 are formed a concave structure, straightener is arranged in the inner space of concave structure.It is being oriented to
Guide sleeve is arranged on column 22, guide sleeve can be fixed on straightening machine frame 7, can also be fixed by other means.In this way,
As long as driving guide post 22 along guide sleeve horizontal movement, then, frame 1 can be along the direction of guide post 2 close to or far from strong
Straight machine, also, frame 1 is clamped by lifting lug 14 and hanging plate 23, to be connected on guide frame 2, then only need to be by frame 1
It slings, so that it may very easily frame 1 be connect or be detached from guide frame 2.
Dynamic structure 3 includes two spiral lifts 4 corresponding with two groups of guide posts 22, the lead screw of the spiral lift 4
41 are arranged in parallel with corresponding guide post 22, and one end of the lead screw 41 is connected with corresponding connecting plate 21.In this way, lead screw
41 push connecting plate 21 to move, and connecting plate 21 can drive guide post 22 to move.In the present embodiment, spiral lift 4 passes through
Bolt is fixed on straightening machine frame 7, and lead screw 41 is arranged in parallel in the centre of two guide posts 22.
Dynamic structure 3 further includes the driving motor being mounted on straightening machine frame 7, connecting shaft 33, transmission mechanism, driving electricity
Machine is decelerating motor, for being drivingly connected axis 33.The both ends of connecting shaft 33 are located at the top of two groups of guide posts 22, and both ends
Respectively it is connected with a transmission mechanism.Transmission mechanism includes bevel gear box 31, universal-joint spindle 32.Bevel gear box 31 is fixed on straightener
It in rack 7, and is connect with connecting shaft 33,32 lower end of universal-joint spindle is connect with spiral lift 4, and upper end and bevel gear box 31 connect
It connects.In this way, entire dynamic structure 3 is located at the top and two sides of straightening machine frame 7.The sky placed has been reserved for straightener
Between.And axis 33 is drivingly connected by decelerating motor, connecting shaft 33 drives universal-joint spindle 32 by bevel gear box 31, and universal-joint spindle 32 is made
For the input shaft of spiral lift 4, and connecting shaft 33 is as a whole, moves synchronously the lead screw 41 of the spiral lift 4 at both ends,
It ensure that frame 1 is moved horizontally with guide post 22 without deflection.
Clamping device includes the holding holes being arranged on frame 1 and multiple snap-gauges for being arranged in around holding holes, on frame 1
It is additionally provided with for driving movement inside and outside snap-gauge to clamp and unclamp the driving structure of collars.
Driving structure includes two link mechanisms 10 being symmetrical set, and link mechanism 10 includes setting symmetrical above and below
Upper shaft 103 and lower side axle 107, upper shaft 103 and lower side axle 107 are mounted on frame 1 by bearing, and upper shaft 103
Part inside frame 1 is fixedly connected with upper connecting rod 102, and the part that lower side axle 107 is located inside frame 1 is fixedly connected with
Lower connecting rod 108 is also hinged with intermediate bar 104 between upper connecting rod 102 and lower connecting rod 108.Frame is stretched out in 103 front end of upper shaft
Frame 1, and it is fixed with the upper snap-gauge 101 for clamping collars, lower 107 front end of side axle is stretched out frame 1 and is fixed with for clamping roller
The lower snap-gauge 109 of ring.It further include rotating handle 105, the fixed pin 106 for fixing rotating handle 105, rotating handle 105 is solid
It is scheduled on upper shaft 103 or lower side axle 107 stretches out the rear end of frame 1.In the present embodiment, rotating handle 105 is each attached to downside
The rear end of axis 107.In this way, by pulling rotating handle 105, so that it may so that the fortune synchronous with lower snap-gauge 109 of upper snap-gauge 101
Dynamic, clamping collars passes through fixed pin 106, so that it may position rotating handle 105, keep clamping or releasing orientation.
It when replacing collars, including removes old roller and new roller is installed, since frame 1 includes upper frame 11 and lower frame
12, whole collars can be replaced, or only removable parts collars, when removable parts collars, only need corresponding upper frame 11 or
Lower frame 12, for replacing whole collars.
Remove old roller step:
Upper frame 11, lower frame 12 are placed on collars area.
Rotating handle 105 is pulled, upper frame 11, the clamping device in lower frame 12 is made to be in releasing orientation.It uses
Driving slings upper frame 11 and is moved to the top of lower frame 12, by positioning pin 16 and pin hole 15, by upper frame 11
It is placed in lower frame 12.
Unclamp the locking device of each work roll end.
Start decelerating motor, move hanging plate 23 towards the direction far from straightener, move suitable distance, which conveniently exists
Hanging frame 1 on hanging plate 23, using the position as position 2.
The hoisting screw 13 in lower frame 12 is hooked using driving, upper frame 11, lower frame 12 are sling simultaneously,
It is moved to position 2, the lifting lug 14 in upper frame 11, lower frame 12 is placed in the blocked hole 231 of hanging plate 23, will be driven a vehicle
Suspension hook remove, at this moment upper frame 11, lower frame 12 have been hung on hanging plate 23.
It is again started up decelerating motor, moves hanging plate 23 towards straightener, the clamping device for moving to frame 1 can block
Collars, using the position as position 1.
Rotating handle 105 is pulled, so that the clamping device in upper frame 11, lower frame 12 clamps collars.
Start decelerating motor, so that hanging plate 23 is moved to position 2, at this moment collars is completely disengaged with working roll.Use row
Hitch lives the hoisting screw 13 in lower frame 12, by the upper frame 11 for being loaded with collars, lower frame 12 while slinging, mobile
It is sling to collars area, then by upper frame 11, is placed on collars area.
Pull handle, upper frame 11, the clamping device in lower frame 12 made to be in releasing orientation, using driving or
Cantilever crane slings collars group one by one, is placed in collars area.
New roller step is installed:
Upper frame 11, lower frame 12 are placed on collars area.
Rotating handle 105 is pulled, upper frame 11, the clamping device in lower frame 12 is made to be in releasing orientation.
Collars is placed at clamping device one by one using driving or cantilever crane, is made in the center line and holding holes of collars
Heart line essentially coincides, and pulls rotating handle 105, clamps collars.
Upper frame 11 is sling, the top of lower frame 12 is moved to, by positioning pin 16 and pin hole 15, by upper box
Frame 11 is placed in lower frame 12.
Start decelerating motor, makes 23 horizontal movement of hanging plate at position 2.
Upper frame 11, lower frame 12 are sling simultaneously, are moved to the top of hanging plate 23, by upper frame 11, lower part
Lifting lug 14 on frame 12 is placed in the blocked hole 231 of hanging plate 23, and at this moment upper frame 11, lower frame 12 have been hung over
On plate 23；
It is again started up decelerating motor, is made at 23 horizontal movement position 1 of hanging plate, at this moment, collars has been inserted into working roll.
Rotating handle 105 is pulled, upper frame 11, the clamping device in lower frame 12 is made to be in releasing orientation.
The upper frame 11 of not collars, lower frame 12 are sling, collars area is placed on.
Lock work roll end.
By the old roller step of above-mentioned dismounting and new roller step is installed it is found that needing the step of completing on line only includes by frame
1 is connected on hanging plate 23, and hanging plate 23 moves, thus installation or dismounting collars group.Remaining step includes taking collars from frame 1
Out, or collars is mounted on frame 1 etc. is all online lower completion, parking replacing construction is greatly reduced in this way, thus real
Completion replacement in existing 30 minutes.Secondly, the work for installing or removing collars on line is automatically performed by the present apparatus, manually only need to pull
Dynamic rotating handle 105, to reduce labor intensity.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (9)
1. a kind of quick collars of overhung type straightening machine replaces device, it is characterised in that: including frame, the frame is equipped with multiple
For clamping the clamping device of collars；It further include the telescopic device for pushing frame to move horizontally to straightening machine frame；It is described
Clamping device includes the holding holes being arranged on frame and multiple snap-gauges for being arranged in around holding holes, is also set up on the frame
Have for driving movement inside and outside the snap-gauge to clamp and unclamp the driving structure of collars, the driving structure includes that bilateral symmetry is set
Two link mechanisms set, the link mechanism include the upper shaft and lower side axle of setting symmetrical above and below, are connected in the upper shaft
It is connected to upper connecting rod, lower connecting rod is connected in the lower side axle, is additionally provided with centre between the upper connecting rod and lower connecting rod
Bar, the upper shaft are further fixed on the upper snap-gauge for clamping collars, and the lower side axle is equipped with the lower card for clamping collars
Plate.
2. the quick collars of a kind of overhung type straightening machine according to claim 1 replaces device, it is characterised in that: described flexible
The dynamic structure that device includes the guide frame connecting with frame, is moved horizontally for driver framework along guide frame.
3. the quick collars of a kind of overhung type straightening machine according to claim 2 replaces device, it is characterised in that: described flexible
Device is connect by lifting lug with frame, and the frame includes upper frame and lower frame, the upper frame and lower frame
On be equipped with hoisting screw.
4. the quick collars of a kind of overhung type straightening machine according to claim 3 replaces device, it is characterised in that: the guiding
Structure includes two groups of guide posts, and two groups of guide posts are connected with frame or so end respectively, are arranged with guide sleeve outside the guide post, should
Guide sleeve is mounted on straightening machine frame, the guide post and frame direct or indirect connection.
5. the quick collars of a kind of overhung type straightening machine according to claim 4 replaces device, it is characterised in that: described in every group
Guide post includes upper and lower two guide posts disposed in parallel, and the front end of every group of guide post is connected on same connecting plate, and rear end connects
It connects on same hanging plate, the hanging plate is connect with frame, and the hanging plate is equipped with and hangs for being clamped upper frame and lower frame
The blocked hole of ear.
6. the quick collars of a kind of overhung type straightening machine according to claim 4 or 5 replaces device, it is characterised in that: described
Dynamic structure includes two spiral lifts corresponding with two groups of guide posts, the lead screw of the spiral lift and corresponding guide post
It is arranged in parallel, and one end of the lead screw is connected with corresponding connecting plate.
7. the quick collars of a kind of overhung type straightening machine according to claim 6 replaces device, it is characterised in that: the power
Structure further includes the driving motor being mounted on straightening machine frame and connecting shaft, and the connecting shaft both ends are connected separately with a biography
Motivation structure, the corresponding one group of guide post of each transmission mechanism, the transmission mechanism includes bevel gear box, universal-joint spindle, the cone tooth
Roller box with connect axis connection；The universal-joint spindle lower end is connect with spiral lift, and upper end is connect with bevel gear box.
8. the quick collars of a kind of overhung type straightening machine according to claim 1 replaces device, it is characterised in that: further include rotation
Handle, the fixed pin for fixing rotating handle are changed hands, the rotating handle is arranged in upper shaft or lower side axle.
9. a kind of fast using the quick collars replacement device progress overhung type straightening machine of overhung type straightening machine as claimed in claim 7
The replacing options of fast collars, it is characterised in that: including removing old roller step, the new roller step of installation；
It is described to remove old roller step and include,
1, start telescopic device, hanging plate is made to move to position 2；
3, frame is sling, is moved to position 2, and lifting lug is connected in the blocked hole of hanging plate；
4, start telescopic device, hanging plate is made to drive frame movement to position 1；
5, rotating handle is pulled, clamping device is made to clamp collars；
6, start telescopic device, hanging plate is made to drive frame movement to position 2；
7, frame is sling, is moved to collars area；
The new roller step of the installation includes,
A, collars is sling, is placed on frame one by one, and clamped by clamping device；
B, start telescopic device, hanging plate is made to move to position 2；
C, frame is sling, is moved to position 2, and lifting lug is connected in the blocked hole of hanging plate；
D, start telescopic device, hanging plate is made to move to position 1；
E, rotating handle is pulled, clamping device is made to unclamp collars；
F, frame is sling, is moved to collars area；
And define hanging plate and moved towards straightener, it is position 1 that the clamping device for moving to frame, which can block the position of collars,；It is fixed
Justice moves hanging plate towards the direction far from straightener, and the position of hanging frame is position 2 on hanging plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611117249.6A CN106425405B (en) | 2016-12-07 | 2016-12-07 | The quick collars of overhung type straightening machine replaces device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611117249.6A CN106425405B (en) | 2016-12-07 | 2016-12-07 | The quick collars of overhung type straightening machine replaces device |
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| Publication Number | Publication Date |
|---|---|
| CN106425405A CN106425405A (en) | 2017-02-22 |
| CN106425405B true CN106425405B (en) | 2018-12-04 |
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ID=58217108
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611117249.6A Active CN106425405B (en) | 2016-12-07 | 2016-12-07 | The quick collars of overhung type straightening machine replaces device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5913521A (en) * | 1982-07-13 | 1984-01-24 | Nippon Kokan Kk <Nkk> | Roll replacing method of steel pipe straightening machine |
| CN202845508U (en) * | 2012-09-20 | 2013-04-03 | 天津市中重科技工程有限公司 | Roller changing mechanism of straightening machine |
| CN203030681U (en) * | 2013-01-21 | 2013-07-03 | 中冶赛迪工程技术股份有限公司 | Double-support type steel straightening machine and fast-replaced roller group thereof |
| CN104307929A (en) * | 2014-10-13 | 2015-01-28 | 中冶南方工程技术有限公司 | Roll changing gear for cantilever-type parallel roll straightening machine |
| CN205200144U (en) * | 2015-10-29 | 2016-05-04 | 天津津重重工机器设备制造有限公司 | Four roller working machine rollers are dismouting machine |
| CN206253865U (en) * | 2016-12-07 | 2017-06-16 | 中冶赛迪工程技术股份有限公司 | The quick collars of overhung type straightening machine changes device |
-
2016
- 2016-12-07 CN CN201611117249.6A patent/CN106425405B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5913521A (en) * | 1982-07-13 | 1984-01-24 | Nippon Kokan Kk <Nkk> | Roll replacing method of steel pipe straightening machine |
| CN202845508U (en) * | 2012-09-20 | 2013-04-03 | 天津市中重科技工程有限公司 | Roller changing mechanism of straightening machine |
| CN203030681U (en) * | 2013-01-21 | 2013-07-03 | 中冶赛迪工程技术股份有限公司 | Double-support type steel straightening machine and fast-replaced roller group thereof |
| CN104307929A (en) * | 2014-10-13 | 2015-01-28 | 中冶南方工程技术有限公司 | Roll changing gear for cantilever-type parallel roll straightening machine |
| CN205200144U (en) * | 2015-10-29 | 2016-05-04 | 天津津重重工机器设备制造有限公司 | Four roller working machine rollers are dismouting machine |
| CN206253865U (en) * | 2016-12-07 | 2017-06-16 | 中冶赛迪工程技术股份有限公司 | The quick collars of overhung type straightening machine changes device |
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| Publication number | Publication date |
|---|---|
| CN106425405A (en) | 2017-02-22 |
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