CN212310799U - Quick replacement device and system for tension leveler - Google Patents
Quick replacement device and system for tension leveler Download PDFInfo
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- CN212310799U CN212310799U CN202021115145.3U CN202021115145U CN212310799U CN 212310799 U CN212310799 U CN 212310799U CN 202021115145 U CN202021115145 U CN 202021115145U CN 212310799 U CN212310799 U CN 212310799U
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- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 230000008859 change Effects 0.000 claims abstract description 6
- 239000000498 cooling water Substances 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000009749 continuous casting Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a draw and rectify quick replacement device of machine and system relates to and draws and rectify the machine and change technical field for it is inconvenient to solve current continuous casting and draw and rectify machine dismouting difficulty, installation location, and the more complicated problem of machine is rectified in online operation change. The device comprises: a hydraulic locking mechanism and an alignment mechanism; the hydraulic locking mechanism comprises a hydraulic cylinder fixed on the base, the hydraulic cylinder is connected with a joint, the joint is nested in a connecting flange hole, the connecting flange is connected with the near-end sliding block, the other side of the near-end sliding block is connected with a guide rod, and the guide rod transmits the push-pull force of the hydraulic cylinder to the far-end sliding block; the alignment mechanism comprises a cross beam, and a pin shaft and a positioning pin are arranged on the cross beam. The system comprises: tension leveler and tension leveler quick replacement device. The method is implemented by adopting the system. The utility model discloses the whole dismouting of realization withdrawal and straightening unit that can be better is convenient, the installation location is accurate, functions such as online operation change.
Description
Technical Field
The utility model relates to a technical field is changed to the tension leveler, in particular to tension leveler quick replacement device and system.
Background
The withdrawal and straightening machine is a key device in continuous casting production and is closely related to the operating rate level of a continuous casting machine. At present, the problems of high replacement strength, long time consumption and the like of the withdrawal and straightening machine commonly exist in domestic steel mills, which greatly influences the continuous casting operation rate and the whole capacity of the casting machine. The concrete expression is as follows:
firstly, the disassembly and assembly are difficult: the base and the beam of the conventional five-roller set straightening and withdrawal machine are connected and fastened by a pin shaft and a wedge block. The manual disassembly is difficult due to the reasons of field oxide scale accumulation, water vapor corrosion and the like, even an oxygen gun is needed for cutting, the consumed time is long, the difficulty is high, and particularly, the online replacement during production can not be basically realized.
Secondly, the installation and positioning are inconvenient: when a conventional withdrawal and straightening machine is installed, the inner side surface of a guide groove on a base and the outer side surface of a slide rail on a cross beam are overlapped to be used as a positioning reference. Because the fitting surface is too accurate and for the clearance fit alignment, requires too much to the overhead traveling crane worker, carries out the dismouting location on line very inconvenient during production, wastes time and energy.
Thirdly, the pipe joints are dispersed: the pipeline of the tension leveler comprises a plurality of hydraulic pipelines, a cooling water pipeline, a lubricating pipeline and a strong and weak current electric pipeline, the distribution connection points of the equipment body are dispersed, and the offline dismounting efficiency is very low.
Fourthly, the flow is too narrow, and manual online disassembly and assembly cannot be carried out during production.
SUMMERY OF THE UTILITY MODEL
The utility model provides a draw and rectify quick replacement device of machine and system for it is inconvenient to solve current continuous casting and draw and rectify quick-witted dismouting difficulty, installation location, changes the more complicated problem of machine of drawing and rectifying on line.
In order to achieve the above purpose, the utility model provides the following technical scheme:
first part, the utility model discloses a tension leveler quick replacement device of an embodiment includes: a hydraulic locking mechanism and an alignment mechanism; the hydraulic locking mechanism comprises a hydraulic cylinder fixed on the base, the hydraulic cylinder is connected with a joint, the joint is nested in a connecting flange hole, the connecting flange is connected with the near-end sliding block, the other side of the near-end sliding block is connected with a guide rod, and the guide rod transmits the push-pull force of the hydraulic cylinder to the far-end sliding block; the alignment mechanism comprises a cross beam, and a pin shaft and a positioning pin are arranged on the cross beam.
Preferably, the quick replacement device of the withdrawal and straightening unit further comprises: the cooling water pipeline quick connecting mechanism is arranged at the water through hole of the cross beam; the cooling water pipeline quick connecting mechanism comprises a steel pipe, an elbow and a U-shaped seal, wherein the steel pipe and the elbow are connected, the other end of the steel pipe is tightly attached to the U-shaped seal, and the U-shaped seal is consistent with the joint surface of the cross beam.
Preferably, the joint is nested in the hole of the connecting flange, and the gap is 0.5mm to 1.5 mm.
The second part, the utility model discloses a tension leveler quick replacement system of an embodiment includes: the tension leveler and the tension leveler quick replacement device; draw and rectify quick replacement device of machine includes: a hydraulic locking mechanism and an alignment mechanism; the hydraulic locking mechanism comprises a hydraulic cylinder fixed on the base, the hydraulic cylinder is connected with a joint, the joint is nested in a connecting flange hole, the connecting flange is connected with the near-end sliding block, the other side of the near-end sliding block is connected with a guide rod, and the guide rod transmits the push-pull force of the hydraulic cylinder to the far-end sliding block; the alignment mechanism comprises a cross beam, and a pin shaft and a positioning pin are arranged on the cross beam; the base of the withdrawal and straightening machine comprises: the pressing block, the pin shaft hole and the positioning pin hole; when the tension leveler is replaced, the pin shaft is aligned with the pin shaft hole, and the positioning pin is aligned with the positioning pin hole, so that the tension leveler and the quick replacement device of the tension leveler are aligned; and the hydraulic locking mechanism pushes and pulls the near-end slide block and the far-end slide block to be tightly jointed with the corresponding pressing blocks.
Preferably, draw and rectify quick replacement device of machine in the quick replacement system of machine, still include: the cooling water pipeline quick connecting mechanism is arranged at the water through hole of the cross beam; the cooling water pipeline quick connecting mechanism comprises a steel pipe and an elbow which are connected with each other, and a U-shaped seal for preventing cooling water from leaking, wherein the U-shaped seal is positioned on the base of the straightening and pulling machine and on the joint surface of the cross beam, and is tightly attached to the other end of the steel pipe.
Preferably, the contact surface of the near-end slider and the corresponding pressing block is an inclined surface, and the contact surface of the far-end slider and the corresponding pressing block is an inclined surface.
Preferably, the included angle of the inclined plane is 15-30 degrees.
Preferably, the end of the locating pin is tapered at 10 ° to 20 °.
Preferably, after the pin shaft and the pin shaft hole are in contraposition nesting, the gap is 1mm to 3 mm.
The utility model discloses a draw and rectify quick replacement device of machine and system, realization that can be better draws and rectify that the whole dismouting of machine is convenient, the installation location is accurate, functions such as online operation change.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic top view of a hydraulic locking mechanism and an alignment mechanism of a quick replacement device of a tension leveler of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a hydraulic cylinder and associated components of a quick replacement device of a withdrawal and straightening machine according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of an alignment mechanism of a quick replacement device of a tension leveler of embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a cooling water pipeline quick connection mechanism of a quick replacement device of a withdrawal and straightening unit according to embodiment 1 of the present invention;
fig. 5 is an overall schematic view of a quick replacement system of a withdrawal and straightening unit according to embodiment 2 of the present invention;
fig. 6 is a schematic view of a tension leveler with a quick replacement system according to embodiment 2 of the present invention;
fig. 7 is a schematic top view of a hydraulic locking mechanism and an alignment mechanism of a quick replacement system of a tension leveler of embodiment 2 of the present invention;
fig. 8 is a schematic structural view of a hydraulic cylinder and associated components of a quick replacement system of a withdrawal and straightening unit according to embodiment 2 of the present invention;
fig. 9 is a schematic structural view of an alignment mechanism of a quick replacement system of a withdrawal and straightening unit according to embodiment 2 of the present invention;
fig. 10 is a schematic structural view of a cooling water pipe quick connection mechanism of a quick replacement system of a withdrawal and straightening unit according to embodiment 2 of the present invention;
fig. 11 is a flow chart of a method for quickly replacing a withdrawal and straightening unit according to embodiment 3 of the present invention;
in fig. 1 to 4: 11 hydraulic locking mechanisms, 12 alignment mechanisms, 13 cooling water pipeline quick connection mechanisms, 111 hydraulic cylinders, 112 joints, 113 connection flanges, 114-1 proximal end sliders, 114-2 distal end sliders, 115 bases, 116 guide rods, 121 pin shafts, 122 positioning pins, 123 cross beams, 131 steel pipes, 132 elbows and 133U-shaped seals;
in fig. 5 to 10: 21 quick replacement device of a tension leveler, 22 tension leveler, 211 hydraulic locking mechanism, 212 alignment mechanism, 213 cooling water pipeline quick connection mechanism, 221 pressing block, 222 pin shaft hole, 223 positioning pin hole, 2111 hydraulic cylinder, 2112 joint, 2113 connecting flange, 2114-1 near end slide block, 2114-2 far end slide block, 2115 base, 2116 guide rod, 2121 pin shaft, 2122 positioning pin, 2123 cross beam, 2131 steel pipe, 2132 elbow and 2133U-shaped seal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The hydraulic lock mechanism 11 includes: the hydraulic cylinder 111 fixed on the base 115 is connected with the joint 112 through a piston rod of the hydraulic cylinder 111 in a threaded connection mode, the joint 112 is nested in a hole of the connecting flange 113, a certain gap exists between the joint 112 and the hole, and the gap is preferably 0.5mm in the embodiment. The connecting flange 113 is connected with the near-end slider 114-1 through bolts, the other side of the near-end slider 114-1 is connected with the guide rod 116 through a joint in a threaded connection mode, and the guide rod 116 transmits the push-pull force of the piston rod of the hydraulic cylinder 111 to the far-end slider 114-2. The contact surfaces of proximal slider 114-1, distal slider 114-2, and base 115 are finished.
The alignment mechanism 12 includes: the pin shaft 121 and the positioning pin 122 are arranged on the cross beam 123. In a specific implementation, one group of the pins 121 may be 2 pins arranged diagonally or 4 pins arranged at four corners, and is located between two groups of the hydraulic locking mechanisms 11; the number of the positioning pins 122 may be 2, and the positioning pins are located on the symmetry center line of the two sets of hydraulic locking mechanisms 11 and are disposed at the far end and the near end with respect to the hydraulic cylinder 111.
The cooling water line quick-connect mechanism 13 includes: steel pipe 131, elbow 132 and U-shaped seal 133. The steel pipe 131 is welded to the inner wall of the water passage hole, the elbow 132 is welded to the steel pipe 131, and the U-shaped seal 133 is tightly attached to the other end of the steel pipe 131 and is in line with the joint surface of the cross beam 123.
Embodiment 2, the quick replacement system of a withdrawal and straightening unit of this embodiment, as shown in fig. 5 to 10, includes: a tension leveler quick replacement device 21 and a tension leveler 22. The quick replacement device 21 of the withdrawal and straightening unit further comprises: a hydraulic locking mechanism 211, an alignment mechanism 212 and a cooling water pipeline quick connection mechanism 213. The base of the withdrawal and straightening unit 22 comprises: a press block 221, a pin shaft hole 222 and a dowel pin hole 223.
The hydraulic lock mechanism 211 includes: the hydraulic cylinder 2111 fixed on the base 2115 is connected with the joint 2112 through a threaded connection mode through a piston rod of the hydraulic cylinder 2111, the joint 2112 is nested in a hole of the connecting flange 2113, a certain gap exists between the two, preferably 1mm in the embodiment, the connecting flange 2113 is connected with the near-end slider 2114-1 through a bolt, the other side of the near-end slider 2114-1 is connected with the guide rod 2116 through the joint through a threaded connection mode, and the guide rod 2116 transmits the push-pull force of the piston rod of the hydraulic cylinder 2111 to the far-end slider 2114-2. The contact surfaces of the proximal slider 2114-1, the distal slider 2114-2 and the base 2115 are finished. The contact surfaces of the proximal slider 2114-1 and the distal slider 2114-2 with the corresponding pressing block 221 on the base of the straightening and withdrawal machine are inclined planes, preferably 20 degrees in the embodiment, and are subjected to finish machining.
The alignment mechanism 212 includes: a pin 2121 and a locating pin 2122 are located on the cross beam 2123. When the tension leveler is hoisted and aligned, a maximum gap of 3mm is formed between the pin shaft 2121 and the pin shaft hole 222 on the base of the tension leveler 22, and the pin shaft 2121 easily falls into the pin shaft hole 222 to complete rough alignment; the head of the positioning pin 2122 has a taper of about 15 degrees, and the positioning pin is easy to fall into the positioning pin hole 223 on the base of the withdrawal and straightening unit 22 to complete fine alignment. In a specific implementation, one set of the pin shafts 2121 may be 2 pins arranged diagonally or 4 pins arranged at four corners, and is located between the two sets of the hydraulic locking mechanisms 211; one set of 2 positioning pins 2122 may be located on the center line of symmetry of the two sets of hydraulic locking mechanisms 211 and located at the proximal end and the distal end with respect to the hydraulic cylinder 2111.
The cooling water line quick-connect mechanism 213 includes: steel pipe 2131, elbow 2132 and U-shaped seal 2133. The cooling water pipeline quick connecting mechanism 213 is arranged at the position of a water through hole of the base of the withdrawal and straightening machine 22 and the cross beam 2123, the steel pipe 2131 is connected with the inner wall of the water through hole in a welding mode, the elbow 2132 is connected with the steel pipe 2131 in a welding mode, and the U-shaped seal 2133 is arranged on the joint surface of the base of the withdrawal and straightening machine 22 and the cross beam 2123 to prevent cooling water from leaking.
When the withdrawal and straightening machine is replaced, the pin shaft 2121 is aligned with the pin shaft hole 222, the positioning pin 2122 is aligned with the positioning pin hole 223, so that the withdrawal and straightening machine 22 and the withdrawal and straightening machine quick replacement device 21 are accurately aligned, and the hydraulic locking mechanism 211 pushes and pulls the near-end sliding block 2114-1 and the far-end sliding block 2114-2 to be tightly combined with the corresponding pressing block 221.
According to the quick replacement system of the tension leveler, the quick connection and separation of the tension leveler and the bottom cross beam are realized by means of the hydraulic locking mechanism, the disassembly and assembly efficiency is improved, and the replacement time is shortened; the cooling water pipeline quick connecting mechanism is used for realizing that a cooling water interface of the withdrawal and straightening machine is free of joints, and the cooling water pipeline is quickly disassembled and assembled; quick joints are adopted among hydraulic tubing, lubricating tubing, electric pipelines and workshop tubing and are centralized at one position, so that the tubing dismounting efficiency is improved; the lifting and aligning operation of the tension leveler is simple and convenient to operate by means of the aligning mechanism, and the positioning is quick and accurate. The quick replacement of the continuous casting withdrawal and straightening machine is realized, the operating rate level of a continuous casting machine can be improved, the whole capacity is increased, and the enterprise benefit is improved.
Embodiment 3, the method for quickly replacing a tension leveler of this embodiment is implemented by using the system for quickly replacing a tension leveler of the above embodiment 2, and is shown in fig. 10, and includes the following steps:
s31, moving out of the original withdrawal and straightening machine
When the hydraulic tension leveler is replaced, energy media such as water, oil and electricity are closed, the quick pipeline joint is disassembled, the hydraulic locking mechanism is controlled to be opened, namely, the piston rod of the hydraulic cylinder pushes the sliding block to be separated from the pressing block on the base of the tension leveler, and the original tension leveler is lifted to be placed at a designated position.
S32, step of aligning new withdrawal and straightening machine
Hoisting a new tension leveler, and performing alignment through an alignment mechanism, namely sleeving a pin shaft on a bottom cross beam by using a pin shaft hole on a base of the tension leveler to complete coarse alignment; and (4) sleeving a positioning pin on a positioning pin hole on the base of the withdrawal and straightening machine to finish the precise alignment.
S33, locking after the new tension leveler is located
After the new withdrawal and straightening machine is in a falling position, the hydraulic locking mechanism is locked, namely a hydraulic cylinder piston rod pulls the sliding block to tightly press the pressing block on the withdrawal and straightening machine base. And (5) the quick joint of the pipeline is reinstalled, energy media such as water, oil, electricity and the like are opened, and the whole replacement process is completed.
In the concrete implementation, when the withdrawal and straightening unit needs to be replaced, after energy media such as water, oil, electricity and the like are closed, the quick joint for connecting the piping and wiring of hydraulic, lubricating, electric and other equipment concentrated at one position with the piping and wiring of a workshop is disassembled; the hydraulic locking mechanism is controlled to be opened, namely oil is supplied to a rodless cavity of the hydraulic cylinder through the hydraulic system and the reversing device, the piston rod is pushed out, the sliding block is pushed to slide in the slideway and is separated from a pressing block on the base of the withdrawal and straightening machine, and the withdrawal and straightening machine is free of restraint in the vertical lifting direction. After the original tension leveler is hoisted out, hoisting the tension leveler into a new tension leveler for alignment, namely, in the descending process of the tension leveler, firstly sleeving a pin shaft on a bottom cross beam by using a pin shaft hole on a base of the tension leveler to complete rough alignment; the tension leveler axially descends along the pin shaft, the head of the positioning pin is sleeved on the positioning pin hole in the base of the tension leveler because the head of the positioning pin has about 15-degree taper, the tension leveler axially descends along the positioning pin, and the positioning pin hole is tightly matched with the positioning pin to complete fine alignment. And controlling the hydraulic locking mechanism to lock, namely supplying oil to a rod cavity of the hydraulic cylinder through a hydraulic system and a reversing device, pushing a piston rod to retract, pulling the sliding block to slide in the slideway, completely jointing the inclined surface of the sliding block with the inclined surface of a pressing block on a base of the withdrawal and straightening machine, pressing the pressing block by utilizing the component force of the pulling force, and restraining the withdrawal and straightening machine in the vertical lifting direction. And after the quick joint connected with the equipment pipe distribution and the workshop pipe distribution is reassembled in place, opening energy media such as water, oil, electricity and the like, and finishing the quick replacement process of the whole withdrawal and straightening unit.
In the method for quickly replacing the tension leveler, the hydraulic locking mechanism is used for quickly connecting and separating the tension leveler and the bottom cross beam, so that the dismounting efficiency is improved, and the replacement time is shortened; the connecting form of quick joints is adopted between the piping wiring of hydraulic, lubricating, electric and other equipment and the piping wiring of a workshop, and the piping wiring is concentrated at one position, so that the piping dismounting efficiency is improved; the lifting and aligning operation of the tension leveler is simple and convenient to operate by means of the aligning mechanism, and the positioning is quick and accurate. The quick replacement of the continuous casting withdrawal and straightening machine is realized by integrating the above aspects, and the operation rate level of a continuous casting machine is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides a tension leveler quick replacement device which characterized in that includes: a hydraulic locking mechanism and an alignment mechanism;
the hydraulic locking mechanism comprises a hydraulic cylinder fixed on the base, the hydraulic cylinder is connected with a joint, the joint is nested in a connecting flange hole, the connecting flange is connected with the near-end sliding block, the other side of the near-end sliding block is connected with a guide rod, and the guide rod transmits the push-pull force of the hydraulic cylinder to the far-end sliding block;
the alignment mechanism comprises a cross beam, and a pin shaft and a positioning pin are arranged on the cross beam.
2. The quick change device of a withdrawal and straightening unit as set forth in claim 1, further comprising: the cooling water pipeline quick connecting mechanism is arranged at the water through hole of the cross beam;
the cooling water pipeline quick connecting mechanism comprises a steel pipe, an elbow and a U-shaped seal, wherein the steel pipe and the elbow are connected, the other end of the steel pipe is tightly attached to the U-shaped seal, and the U-shaped seal is consistent with the joint surface of the cross beam.
3. The quick change device of a withdrawal and straightening unit as claimed in claim 1, wherein the joint is nested in the hole of the connecting flange with a clearance of 0.5mm to 1.5 mm.
4. A quick replacement system for a tension leveler is characterized by comprising: the tension leveler and the tension leveler quick replacement device;
draw and rectify quick replacement device of machine includes: a hydraulic locking mechanism and an alignment mechanism; the hydraulic locking mechanism comprises a hydraulic cylinder fixed on the base, the hydraulic cylinder is connected with a joint, the joint is nested in a connecting flange hole, the connecting flange is connected with the near-end sliding block, the other side of the near-end sliding block is connected with a guide rod, and the guide rod transmits the push-pull force of the hydraulic cylinder to the far-end sliding block; the alignment mechanism comprises a cross beam, and a pin shaft and a positioning pin are arranged on the cross beam;
the base of the withdrawal and straightening machine comprises: the pressing block, the pin shaft hole and the positioning pin hole;
when the tension leveler is replaced, the pin shaft is aligned with the pin shaft hole, and the positioning pin is aligned with the positioning pin hole, so that the tension leveler and the quick replacement device of the tension leveler are aligned; and the hydraulic locking mechanism pushes and pulls the near-end slide block and the far-end slide block to be tightly jointed with the corresponding pressing blocks.
5. The rapid replacement system of a tension leveler as in claim 4, wherein the tension leveler rapid replacement device further comprises: the cooling water pipeline quick connecting mechanism is arranged at the water through hole of the cross beam; the cooling water pipeline quick connecting mechanism comprises a steel pipe and an elbow which are connected with each other, and a U-shaped seal for preventing cooling water from leaking, wherein the U-shaped seal is positioned on the base of the straightening and pulling machine and on the joint surface of the cross beam, and is tightly attached to the other end of the steel pipe.
6. The rapid replacement system of a withdrawal and straightening machine as claimed in claim 4, wherein the contact surface of the proximal slide block with the corresponding pressure block is an inclined surface, and the contact surface of the distal slide block with the corresponding pressure block is an inclined surface.
7. The rapid replacement system for a withdrawal and straightening unit as claimed in claim 6, wherein the included angle of the inclined surface is between 15 ° and 30 °.
8. The rapid replacement system for a withdrawal and straightening machine as claimed in claim 4, wherein the end of the positioning pin is tapered at 10 ° to 20 °.
9. The quick replacement system of a withdrawal and straightening unit as claimed in claim 4, wherein the clearance is 1mm to 3mm after the pin shaft is aligned and nested with the pin shaft hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021115145.3U CN212310799U (en) | 2020-06-12 | 2020-06-12 | Quick replacement device and system for tension leveler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021115145.3U CN212310799U (en) | 2020-06-12 | 2020-06-12 | Quick replacement device and system for tension leveler |
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| CN212310799U true CN212310799U (en) | 2021-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118397A (en) * | 2021-03-15 | 2021-07-16 | 上海二十冶建设有限公司 | Integral base of vertical continuous casting machine light pressure module and adjusting method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118397A (en) * | 2021-03-15 | 2021-07-16 | 上海二十冶建设有限公司 | Integral base of vertical continuous casting machine light pressure module and adjusting method thereof |
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