CN103084409B - Pressure constant width machine pinch roll changes system - Google Patents

Pressure constant width machine pinch roll changes system Download PDF

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Publication number
CN103084409B
CN103084409B CN201210549759.6A CN201210549759A CN103084409B CN 103084409 B CN103084409 B CN 103084409B CN 201210549759 A CN201210549759 A CN 201210549759A CN 103084409 B CN103084409 B CN 103084409B
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China
Prior art keywords
pinch roll
hydraulic cylinder
bracket
base plate
constant width
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CN201210549759.6A
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CN103084409A (en
Inventor
车磊
陈刚
杨毅
王仲民
李建东
刘文富
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Beijing Shougang Co Ltd
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Beijing Shougang Co Ltd
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Abstract

The invention discloses a kind of pressure constant width machine pinch roll and change system, comprise base plate, pinch roll more changing device and control device; Described pinch roll more changing device is connected with described control device; Described pinch roll more changing device and control device is all fixed on base plate.Pressure constant width machine pinch roll provided by the invention changes system, simplify the complex process using manpower to have bad luck pinch roll, the personnel of eliminating enter the unsafe factor of frame, decrease the input of personnel and work facility, improve operating efficiency, and fully ensure that stability in pinch roll Renewal process, security and accuracy.

Description

Pressure constant width machine pinch roll changes system
Technical field
The present invention relates to pressure constant width machine aid technical field, particularly pressure constant width machine pinch roll changes system.
Background technology
In hot rolling line, use pressure constant width machine to subtract slab wide, the entrance and exit of pressure constant width machine is provided with pinch roll, for transporting the slab entering pressure constant width machine.Need regularly to change when pinch roll roll surface wearing or when there is other problem.The pinch roll of pressure constant width machine is arranged on machine frame inside, the entrance of frame and export bottom pinch roll in each installation a pair, and installing space is less.Dismounting side compression machine tup is needed during current replacing pinch roll, it is inner that workmen enters pressure constant width machine, use jack that pinch roll can be carried out dismounting from the position of having bad luck in frame to overhead traveling crane Liftable, Renewal process needs to drop into a large amount of human and material resources, relatively waste time and energy, and pinch roll replacing stability, security and accuracy can not ensure.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of time saving and energy saving, and can improve that pinch roll changes stability, the pressure constant width machine pinch roll of security and accuracy changes system.
For solving the problems of the technologies described above, the invention provides a kind of pressure constant width machine pinch roll and changing system, comprising: base plate, pinch roll be changing device and control device more;
Described pinch roll more changing device is connected with described control device;
Described pinch roll more changing device and control device is all fixed on base plate.
Further, described pinch roll more changing device comprise:
Pinch roll bracket, pinch roll connecting cross beam and pinch roll connecting axle;
Described pinch roll bracket is made up of the gripper shoe that two pieces be arranged in parallel;
Described pinch roll connecting cross beam is arranged between two pieces of gripper shoes of described pinch roll bracket, for increasing the intensity of pinch roll bracket;
Described pinch roll connecting axle is arranged on one end of pinch roll bracket, and hinged with described control device, and the other end of described pinch roll bracket is fixedly connected with base plate.
Further, described pinch roll more changing device number is two, is symmetricly set on the two ends of control device, and the structure that pinch roll described in one of them changes device end face is consistent with the structure of top pinch roll bearing block, for replacing with pinch roll;
Wherein the structure of the more end face of changing device of pinch roll described in another is consistent with the structure of bottom pinch roll bearing block, for changing bottom pinch roll.
Further, described pinch roll more changing device number is 1, and is provided with two end faces, the structure of an end face is consistent with the structure of top pinch roll bearing block, for replacing with pinch roll, the structure of another end face is consistent with the structure of bottom pinch roll bearing block, for changing bottom pinch roll.
Further, described pinch roll more changing device number is 1, and be provided with an end face interface and two movable end faces, two described end faces are fixedly connected with end face interface, and in two described end faces, the structure of an end face is consistent with the structure of top pinch roll bearing block, for replacing with pinch roll, the structure of another end face is consistent with the structure of bottom pinch roll bearing block, and for changing bottom pinch roll, two end faces are used alternatingly.
Further, described control device comprises:
Locating piece, balancing weight, hydraulic pump, valve block, reversal valve, top pinch roll change hydraulic cylinder, bottom pinch roll changes hydraulic cylinder, ball valve and pipeline;
Described locating piece is welded on described base plate, for positioning balancing weight;
Described balancing weight is fixedly connected with locating piece;
Described valve block and hydraulic pump are arranged on balancing weight, and described hydraulic pump is used for changing hydraulic cylinder to top pinch roll replacing hydraulic cylinder and bottom pinch roll provides power source;
Described reversal valve, ball valve and pipeline are arranged on valve block, and the direction of hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder changed by reversal valve for controlling top pinch roll, and ball valve and pipeline change hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder for being communicated with top pinch roll;
Described top pinch roll changes hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder one end is fixed on base plate by hydraulic cylinder base, the other end and described pinch roll connecting axle hinged, described hinge point is provided with copper sheathing, for preventing the wearing and tearing between junction, and is easy to change;
Described top pinch roll is changed hydraulic cylinder and is provided with bearing pin between bottom pinch roll replacing hydraulic cylinder and hydraulic cylinder base, and described top pinch roll changes hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder can rotate on bearing pin.
Further, also comprise pinch roll bracket fixture, described pinch roll bracket fixture comprises:
Axis pin base and bearing pin;
Described axis pin base is fixedly connected with base plate, during for preventing pinch roll carriage turns and base plate collide;
Be provided with copper sheathing in described axis pin base, described bearing pin and copper sheathing adopt matched in clearance, and described copper sheathing is used for preventing axis pin base from wearing and tearing, and are easy to change, and described axis pin base and bearing pin are used for fixedly pinching roll bracket.
Further, described pressure constant width machine pinch roll changes system, also comprises:
Safety pin support and safety pin;
Described safety pin support is fixedly connected with base plate;
Described safety pin support is provided with two locating holes, locating hole is above used for positioning the lower limit position of pinch roll bracket, and locating hole is below used for positioning for position when pinch roll pulls out;
Described safety pin is plugged in locating hole.
Further, described pressure constant width machine pinch roll changes system, also comprises:
Lifting block, described lifting block is arranged on base plate, totally four, for lifting whole system.
Further, the end face of described pinch roll bracket is provided with four screwed holes, for fixedly pinching roll bearing seat;
The angle of described pinch roll pallet centerline and horizontal plane is 8 °-25 °.
Pressure constant width machine pinch roll provided by the invention changes system, simplify the complex process using manpower to have bad luck pinch roll, the personnel of eliminating enter the unsafe factor of frame, decrease the input of personnel and work facility, use native system that single pinch roll replacing construction was foreshortened to 6 hours by 10 hours, improve operating efficiency, and fully ensure that stability in pinch roll Renewal process, security and accuracy.
Accompanying drawing explanation
The structural representation of the pressure constant width machine pinch roll replacing system that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the working state figure during replacing of structure shown in Fig. 1 bottom pinch roll;
Fig. 3 is working state figure when structure shown in Fig. 1 replaces with pinch roll;
Fig. 4 is the end construction schematic diagram of top pinch roll bracket in structure shown in Fig. 1.
Detailed description of the invention
A kind of pressure constant width machine pinch roll provided by the invention is changed system and is comprised: base plate, pinch roll be changing device, control device, pinch roll bracket fixture, safety pin support, safety pin and lifting block more.Wherein, pinch roll more changing device be used for receive control device transmit replacing information after pinch roll is changed; Pinch roll more changing device and control device is all fixed on base plate.
Pinch roll more changing device comprises: pinch roll bracket, pinch roll connecting cross beam and pinch roll connecting axle; Pinch roll bracket is made up of the gripper shoe that two pieces be arranged in parallel; Pinch roll connecting cross beam is arranged between two pieces of gripper shoes of pinch roll bracket, for increasing the intensity of pinch roll bracket; Pinch roll connecting axle is arranged on one end of pinch roll bracket, and hinged with control device, and the other end of pinch roll bracket is fixedly connected with base plate.Pinch roll bracket is provided with four screwed holes, for fixedly pinching roll bearing seat; The angle of pinch roll pallet centerline and horizontal plane is 8 °-25 °.
Control device comprises: locating piece, balancing weight, hydraulic pump, valve block, reversal valve, top pinch roll change hydraulic cylinder and bottom pinch roll changes hydraulic cylinder, ball valve and pipeline; Locating piece is welded on base plate, for positioning balancing weight; Balancing weight is fixedly connected with locating piece; Valve block and hydraulic pump are arranged on balancing weight, and hydraulic pump is used for changing hydraulic cylinder to top pinch roll replacing hydraulic cylinder and bottom pinch roll provides power source; Reversal valve, ball valve and pipeline are arranged on valve block, and the direction of hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder changed by reversal valve for controlling top pinch roll, and ball valve and pipeline change hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder for being communicated with top pinch roll; Top pinch roll is changed hydraulic cylinder and bottom pinch roll and is changed hydraulic cylinder one end and be fixed on base plate by hydraulic cylinder base, and the other end is hinged with pinch roll connecting axle, and hinge point is provided with copper sheathing, for preventing the wearing and tearing between junction, and is easy to replacing; Top pinch roll is changed hydraulic cylinder and is provided with bearing pin between bottom pinch roll replacing hydraulic cylinder and hydraulic cylinder base, and top pinch roll changes hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder can rotate on bearing pin.
Roll bracket fixture is sent to comprise axis pin base and bearing pin.Axis pin base is fixedly connected with base plate, during for preventing pinch roll carriage turns and base plate collide; Be provided with copper sheathing in axis pin base, bearing pin and copper sheathing adopt matched in clearance, and copper sheathing is used for preventing axis pin base from wearing and tearing, and are easy to change, and axis pin base and bearing pin are used for fixedly pinching roll bracket.Safety pin support is fixedly connected with base plate; Safety pin support is provided with two locating holes, locating hole is above used for positioning the lower limit position of pinch roll bracket, and locating hole is below used for positioning for position when pinch roll pulls out; Safety pin is plugged in locating hole.Lifting block is arranged on base plate, totally four, for lifting whole system.
Below by specific embodiment, the present invention will be further described.
Embodiment one:
See Fig. 1, Fig. 2, a kind of pressure constant width machine pinch roll that the embodiment of the present invention provides changes system, and pinch roll more changing device number is two, comprising: base plate 1, top pinch roll be changing device A, bottom pinch roll more changing device B and control device C more; Base plate 1, for installing other auxiliary device of native system, is the straight carbon steel steel plate of thickness 30-40mm.Top pinch roll more changing device A is used for carrying out replacing A to top pinch roll after the replacing information receiving control device C transmission.Bottom pinch roll more changing device B is used for carrying out replacing B to bottom pinch roll after the replacing information receiving control device C transmission.Control device C is arranged on top pinch roll more changing device A and bottom pinch roll more between changing device B.Top pinch roll more changing device A, bottom pinch roll more changing device B and control device C be all fixed on base plate 1.Top pinch roll more changing device A and bottom pinch roll more changing device B be symmetricly set on base plate 1 two ends.The angle of upper and lower pinch roll pallet centerline and horizontal plane is 8 °-25 °, 8 ° are reached when top pinch roll changes hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder is retracted completely, it is 25 ° when top pinch roll changes hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder stretches out completely, main purpose ensures the height of pinch roll, when preventing pinch roll from pulling out and roller-way interfere.
Wherein, top pinch roll more changing device comprise: top pinch roll bracket 2, top pinch roll connecting cross beam 3 and top pinch roll connecting axle 4; Top pinch roll bracket 2 is made up of the gripper shoe that two pieces be arranged in parallel; Top pinch roll connecting cross beam 3 is arranged between two pieces of gripper shoes of top pinch roll bracket 2, for increasing the intensity of top pinch roll bracket; Top pinch roll connecting axle 4 is arranged on one end of top pinch roll bracket, and hinged with control device C, and the other end of top pinch roll bracket 2 is fixedly connected with base plate 1.
Bottom pinch roll more changing device B comprises: bottom pinch roll bracket 5, bottom pinch roll connecting cross beam 6 and bottom pinch roll connecting axle 7; Bottom pinch roll bracket 5 is made up of the gripper shoe that two pieces be arranged in parallel; Bottom pinch roll connecting cross beam 6 is arranged between two pieces of gripper shoes of bottom pinch roll bracket 5, for increasing the intensity of bottom pinch roll bracket 5; Bottom pinch roll connecting axle 6 is arranged on one end of bottom pinch roll bracket 5, and hinged with control device C, and the other end of bottom pinch roll bracket 5 is fixedly connected with base plate 1.
The end face a of top pinch roll bracket 2 is designed to the shape consistent with top pinch roll bearing block, and the end face b of bottom pinch roll bracket 5 is designed to the shape consistent with bottom pinch roll bearing block, is convenient to installation and the location of pinch roll.The biside plate that top pinch roll bracket 2 and the end face of bottom pinch roll bracket 5 contact with pinch roll being respectively equipped with 4 screwed holes, on each side plate 2, fixedly pinching roll bearing seat for installing.As shown in Figure 4, the biside plate that the end face b of top pinch roll bracket 2 contacts with top pinch roll is provided with 4 screwed holes, on each side plate 2.The spacing of bottom pinch roll bracket 5 supported on both sides plate is 1460mm, the spacing of top pinch roll bracket 2 supported on both sides plate is 1460mm, centre-to-centre spacing between two screwed holes on the every collateral fagging of upper and lower pinch roll bracket is consistent with the centre-to-centre spacing of two bolts hole of the same side pinch roll bearing block when changing fixing, is convenient to construction bolt.
Control device C comprises: locating piece 13, balancing weight 14, hydraulic pump 15, valve block 16, reversal valve, top pinch roll change hydraulic cylinder and bottom pinch roll changes hydraulic cylinder, ball valve 17 and pipeline; Locating piece 13 is welded on base plate 1, for positioning balancing weight 14; Balancing weight 14 is fixedly connected with locating piece 13; Valve block 16 and hydraulic pump 15 are arranged on balancing weight 14, and hydraulic pump 15 provides power source for changing hydraulic cylinder to top pinch roll replacing hydraulic cylinder and bottom pinch roll; Reversal valve, ball valve and pipeline are arranged on valve block 16, and the direction of hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder changed by reversal valve for controlling top pinch roll, and ball valve 17 and pipeline change hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder for being communicated with top pinch roll; Top pinch roll is changed hydraulic cylinder 18 one end and is fixed on base plate 1 by hydraulic cylinder base 19, the other end and top pinch roll connecting axle 3 hinged, bottom pinch roll is changed hydraulic cylinder 20 one end and is fixed on base plate 1 by hydraulic cylinder base 19, the other end and bottom pinch roll connecting axle 6 hinged, hinge point is provided with copper sheathing, for preventing the wearing and tearing between junction, and be easy to change; Top pinch roll is changed hydraulic cylinder and is provided with bearing pin between bottom pinch roll replacing hydraulic cylinder and hydraulic cylinder base 19, and top pinch roll changes hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder can rotate on bearing pin.
A kind of pressure constant width machine pinch roll that the embodiment of the present invention provides changes system, also comprises: safety pin support 8, safety pin 9, lifting block 10 axis pin base 11 and bearing pin 12; Safety pin support 8 is welded on base plate 1; Safety pin support 8 is provided with two locating holes, locating hole is above used for positioning the lower limit position of upper and lower pinch roll bracket, and locating hole is below used for positioning for position when pinch roll pulls out; Safety pin 9 is plugged in locating hole.Lifting block 10 arranges on a base plate 2, totally four, for lifting whole system.Axis pin base 11 is welded on base plate 1, every side is provided with four, and each end face distance apart from base plate 1 can not be too large, can affect the anglec of rotation of upper and lower pinch roll bracket time too large, the present embodiment adopts 20-30mm, when preventing upper and lower pinch roll carriage turns and base plate 1 collide.Be provided with copper sheathing in axis pin base 11, bearing pin 12 and copper sheathing adopt matched in clearance, and copper sheathing is used for preventing axis pin base from wearing and tearing, and are easy to change, and axis pin base 11 and bearing pin 12 are for fixing upper and lower pinch roll bracket.
See Fig. 2, use the operation principle of pressure constant width machine pinch roll provided by the invention replacing system conversion pressure constant width machine bottom pinch roll 22 specific as follows: first by roller-way 21 near native system lifting to the pinch roll that need change.Remove the set bolt of bottom pinch roll 22, use jack to be promoted to above roller-way 21 absolute altitude by bottom pinch roll 22.Rotating roller-way 21 makes native system enter bottom pinch roll 22 installation region.Use jack to put down bottom pinch roll 22, use bolt bottom pinch roll 22 and bottom pinch roll bracket 5 to be connected and fixed.Close the ball valve 17 that top pinch roll changes hydraulic cylinder 18, open the ball valve 17 that bottom pinch roll changes hydraulic cylinder 20 liang of chambeies.Primer fluid press pump 15, by adjustment reversal valve, adjustment bottom pinch roll changes the flexible of hydraulic cylinder 20 lever, and then the absolute altitude of adjustment bottom pinch roll 22, makes bottom pinch roll 22 higher than the absolute altitude of roller-way 21.Can adjust by regulating choke valve the stretching speed that bottom pinch roll changes hydraulic cylinder 20, controlling the position of bottom pinch roll 22, note checking whether bottom pinch roll 22 interferes with surrounding devices.Plug safety pin 9 behind position adjustment complete (being adjusted to roll surface 21 absolute altitude top) of bottom pinch roll 22, prevent changing hydraulic cylinder 20 due to bottom pinch roll and slip car and cause bottom pinch roll 22 change in location.Rotate backward roller-way 21, make pressure constant width machine pinch roll change system and transport frame 23 with bottom pinch roll 22.Overhead traveling crane is used to be hung out by old pinch roll.Return dress to be undertaken by backward.
See Fig. 3, when using pressure constant width machine pinch roll provided by the invention to change system conversion pressure constant width machine top pinch roll 24, overhead traveling crane is first used to be sling by native system, horizontally rotate 180 °, make top pinch roll change bracket 2 and aim at frame 23, other exchonge step Renewal process is consistent with replacing bottom pinch roll 22.
The pressure constant width machine pinch roll that the application of the invention provides changes system, simplify the complex process using manpower to have bad luck pinch roll, the personnel of eliminating enter the unsafe factor of frame, decrease the input of personnel and work facility, use native system that single pinch roll replacing construction was foreshortened to 6 hours by 10 hours, improve operating efficiency, and fully ensure that stability in pinch roll Renewal process, security and accuracy.
Embodiment two:
The difference of the present embodiment and embodiment one is, pinch roll more changing device number is 1, and be provided with two end faces, the structure of an end face is consistent with the structure of top pinch roll bearing block, for replacing with pinch roll, the structure of another end face is consistent with the structure of bottom pinch roll bearing block, for changing bottom pinch roll.Other are local completely the same with embodiment one.
Embodiment three:
The difference of the present embodiment and embodiment one is, pinch roll more changing device number is 1, and be provided with an end face interface and two movable end faces, two end faces are fixedly connected with end face interface, in two end faces, an end face is consistent with the structure of top pinch roll bearing block, for replacing with pinch roll, another end face is consistent with the structure of bottom pinch roll bearing block, for changing bottom pinch roll.When the pressure constant width machine pinch roll replacing system using the present embodiment to provide is changed top pinch roll, first the end face consistent with top pinch roll bearing block structure is fixed on end face interface, then top pinch roll is changed.When bottom pinch roll changed by needs, first need pull down end face when replacing with pinch roll, be fixedly connected with by the end face consistent with bottom pinch roll bearing block structure, then change bottom pinch roll with end face interface, two end faces are used alternatingly, and can not carry out simultaneously.Other are local completely the same with embodiment one.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (8)

1. pressure constant width machine pinch roll changes a system, it is characterized in that, comprising:
Base plate, pinch roll be changing device and control device more;
Described pinch roll more changing device is connected with described control device;
Described pinch roll more changing device and control device is all fixed on base plate;
Described pinch roll more changing device comprises:
Pinch roll bracket, pinch roll connecting cross beam and pinch roll connecting axle;
Described pinch roll bracket is made up of the gripper shoe that two pieces be arranged in parallel;
Described pinch roll connecting cross beam is arranged between two pieces of gripper shoes of described pinch roll bracket, for increasing the intensity of pinch roll bracket;
Described pinch roll connecting axle is arranged on one end of pinch roll bracket, and hinged with described control device, and the other end of described pinch roll bracket is fixedly connected with base plate;
Described control device comprises: locating piece, balancing weight, hydraulic pump, valve block, reversal valve, choke valve, top pinch roll change hydraulic cylinder, bottom pinch roll changes hydraulic cylinder, ball valve and pipeline;
Described locating piece is welded on described base plate, for positioning balancing weight;
Described balancing weight is fixedly connected with locating piece;
Described valve block and hydraulic pump are arranged on balancing weight, and described hydraulic pump is used for changing hydraulic cylinder to top pinch roll replacing hydraulic cylinder and bottom pinch roll provides power source;
Described reversal valve, ball valve and pipeline are arranged on valve block, the direction of hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder changed by described reversal valve for controlling top pinch roll, the stretching speed of hydraulic cylinder changed by described choke valve for adjusting described bottom pinch roll, described ball valve and pipeline change hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder for being communicated with top pinch roll;
Described top pinch roll changes hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder one end is fixed on base plate by hydraulic cylinder base, the other end and described pinch roll connecting axle hinged, described hinged position is provided with copper sheathing, for preventing the wearing and tearing between junction, and is easy to change;
Described top pinch roll is changed hydraulic cylinder and is provided with bearing pin between bottom pinch roll replacing hydraulic cylinder and hydraulic cylinder base, and described top pinch roll changes hydraulic cylinder and bottom pinch roll replacing hydraulic cylinder can rotate on bearing pin.
2. pressure constant width machine pinch roll as claimed in claim 1 changes system, it is characterized in that:
Described pinch roll more changing device number is two, is symmetricly set on the two ends of control device, and the structure that pinch roll described in one of them changes device end face is consistent with the structure of top pinch roll bearing block, for replacing with pinch roll;
Wherein the structure of the more end face of changing device of pinch roll described in another is consistent with the structure of bottom pinch roll bearing block, for changing bottom pinch roll.
3. pressure constant width machine pinch roll as claimed in claim 1 changes system, it is characterized in that:
Described pinch roll more changing device number is 1, and being provided with two end faces, the structure of an end face is consistent with the structure of top pinch roll bearing block, for replacing with pinch roll, the structure of another end face is consistent with the structure of bottom pinch roll bearing block, for changing bottom pinch roll.
4. pressure constant width machine pinch roll as claimed in claim 1 changes system, it is characterized in that:
Described pinch roll more changing device number is 1, and be provided with an end face interface and two movable end faces, two described end faces are fixedly connected with end face interface, in two described end faces, the structure of an end face is consistent with the structure of top pinch roll bearing block, and for replacing with pinch roll, the structure of another end face is consistent with the structure of bottom pinch roll bearing block, for changing bottom pinch roll, two end faces are used alternatingly.
5. the pressure constant width machine pinch roll as described in any one of claim 2-4 changes system, and it is characterized in that, also comprise pinch roll bracket fixture, described pinch roll bracket fixture comprises:
Axis pin base and bearing pin;
Described axis pin base is fixedly connected with base plate, during for preventing pinch roll carriage turns and base plate collide;
Be provided with copper sheathing in described axis pin base, described bearing pin and copper sheathing adopt matched in clearance, and described copper sheathing is used for preventing axis pin base from wearing and tearing, and are easy to change, and described axis pin base and bearing pin are used for fixedly pinching roll bracket.
6. pressure constant width machine pinch roll as claimed in claim 5 changes system, it is characterized in that, also comprises:
Safety pin support and safety pin;
Described safety pin support is fixedly connected with base plate;
Described safety pin support is provided with two locating holes, locating hole is above used for positioning the lower limit position of pinch roll bracket, and locating hole is below used for positioning for position when pinch roll pulls out;
Described safety pin is plugged in locating hole.
7. pressure constant width machine pinch roll as claimed in claim 6 changes system, it is characterized in that, also comprises:
Lifting block, described lifting block is arranged on base plate, totally four, for lifting whole system.
8. pressure constant width machine pinch roll as claimed in claim 7 changes system, it is characterized in that:
The end face of described pinch roll bracket is provided with four screwed holes, for fixedly pinching roll bearing seat;
The angle of described pinch roll pallet centerline and horizontal plane is 8 °-25 °.
CN201210549759.6A 2012-12-17 2012-12-17 Pressure constant width machine pinch roll changes system Active CN103084409B (en)

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Application Number Priority Date Filing Date Title
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105032949B (en) * 2015-07-09 2017-02-01 首钢总公司 Clamping method for controlling circle forms of tails of high-speed wire rods
CN105000503B (en) * 2015-07-13 2017-04-19 北京首钢建设集团有限公司 Construction method for sliding and replacing whole body of jacking and revolving bearing of revolved body of stacker-reclaimer

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Publication number Priority date Publication date Assignee Title
US4074558A (en) * 1977-02-17 1978-02-21 Gulf & Western Manufacturing Company Roll changing apparatus
CN101016104A (en) * 2006-02-07 2007-08-15 河南安彩高科股份有限公司 Plate-shaped matter packaging box and packaging method
CN200981077Y (en) * 2006-09-28 2007-11-28 鞍钢股份有限公司 Device for changing rolling mill breast roller
CN201120400Y (en) * 2007-10-31 2008-09-24 朱惠兴 Roll changer for rolling mill
CN201253632Y (en) * 2008-09-23 2009-06-10 北京京诚之星科技开发有限公司 Back-up roll changer on multi-roll milling device
CN201442965U (en) * 2009-05-07 2010-04-28 鞍钢股份有限公司 Roller changing car

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074558A (en) * 1977-02-17 1978-02-21 Gulf & Western Manufacturing Company Roll changing apparatus
CN101016104A (en) * 2006-02-07 2007-08-15 河南安彩高科股份有限公司 Plate-shaped matter packaging box and packaging method
CN200981077Y (en) * 2006-09-28 2007-11-28 鞍钢股份有限公司 Device for changing rolling mill breast roller
CN201120400Y (en) * 2007-10-31 2008-09-24 朱惠兴 Roll changer for rolling mill
CN201253632Y (en) * 2008-09-23 2009-06-10 北京京诚之星科技开发有限公司 Back-up roll changer on multi-roll milling device
CN201442965U (en) * 2009-05-07 2010-04-28 鞍钢股份有限公司 Roller changing car

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