CN220444647U - Cable-free roller changer - Google Patents
Cable-free roller changer Download PDFInfo
- Publication number
- CN220444647U CN220444647U CN202320932422.7U CN202320932422U CN220444647U CN 220444647 U CN220444647 U CN 220444647U CN 202320932422 U CN202320932422 U CN 202320932422U CN 220444647 U CN220444647 U CN 220444647U
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- roll
- motor
- roll changing
- cable
- electric cylinder
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- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000005096 rolling process Methods 0.000 abstract description 10
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to the technical field of rolling mill working roll changing, and discloses a cable-free roll changing machine which comprises a machine body, a traveling device, a roll changing hook head and a power device, wherein the traveling device, the roll changing hook head and the power device are arranged on the machine body, the power device is used for providing power for the traveling device and the roll changing hook head, the power device comprises a motor and an electric cylinder, the motor and the electric cylinder are electrically connected with a rechargeable lithium battery, the traveling device is in transmission connection with the motor, the roll changing hook head is in transmission connection with the electric cylinder, the motor and the electric cylinder are also in transmission connection with a vehicle-mounted computer, and the vehicle-mounted computer is in wireless communication with an operating platform through a wireless communication device. The cable-free roll changer disclosed by the utility model realizes no power cable and no communication cable, greatly improves roll changing efficiency, reduces the failure rate of the roll changer and improves production efficiency.
Description
Technical Field
The utility model relates to the technical field of roll changing of working rolls of rolling mills, in particular to a cable-free roll changing machine.
Background
The production value of the existing hot continuous rolling mill is about 1000 yuan per minute, so that the high-speed continuous operation of the hot continuous rolling mill is ensured, and the hot continuous rolling mill is very important in each minute of a hot rolling mill. The work roll replacement of the hot continuous rolling mill is an important daily work of a hot rolling mill, and the roll replacement is carried out for 20 times per day. Therefore, the time control of each roll change plays a critical role in improving the daily operation rate.
The existing working roll changing machine of the steel mill has two cables, one of which is a power cable and the other is a control cable. The cable is very easily damaged by the pulling force of the roll changer when the roll changer works. Especially, the core wire of the control cable is too thin, the core wire is easy to break, the control cable has a core close to 40 cores, and the roll changer cannot work normally due to the fact that a plurality of core wires are broken, so that the cable is scrapped. The replacement of the cable takes several hours, which seriously affects the normal operation of the production. Moreover, such control cables are imported and are particularly expensive, often 7-8 kilo-meters of cable, more than ten meters of cable, and the cable must be replaced every year. The annual average failure time of the existing roll changing machine is about 3.5 hours, which results in high production cost.
Disclosure of Invention
The utility model aims to overcome the defects of the technology, and provides a cable-free roll changer, so that a power-free cable and a communication cable are realized, the roll changing efficiency is greatly improved, the failure rate of the roll changer is reduced, and the production efficiency is improved.
The utility model provides a cable-free roll changing machine which comprises a machine body, a traveling device, a roll changing hook head and a power device, wherein the traveling device and the roll changing hook head are arranged on the machine body, the power device is used for providing power for the traveling device and the roll changing hook head, the power device comprises a motor and an electric cylinder, the motor and the electric cylinder are electrically connected with a rechargeable lithium battery, the traveling device is in transmission connection with the motor, the roll changing hook head is in transmission connection with the electric cylinder, the motor and the electric cylinder are also connected with a vehicle-mounted computer, and the vehicle-mounted computer is in wireless communication with an operating platform through a wireless communication device.
Preferably, the running gear includes a running sprocket driven by the motor, the running sprocket being engaged with a link ring provided on the ground.
Preferably, a speed reducer is arranged between the motor and the walking chain wheel.
Preferably, one end of the roll changing hook head is hinged to the machine body, and the electric cylinder controls the roll changing hook head to rotate.
Preferably, the roll changing hook head is in transmission connection with a hydraulic cylinder, and the hydraulic cylinder controls the roll changing hook head to rotate.
Compared with the prior art, the utility model has the following advantages:
1. the replacement of the cable is omitted, and the production cost is greatly reduced;
2. because no cable influence exists, the roll changing efficiency is greatly improved, the failure rate of a roll changing machine is reduced, and the production efficiency is improved;
3. because no cable exists, when the roll changer breaks down, other roll changers can be used for replacing rapidly, and production is prevented from being influenced.
Drawings
Fig. 1 is a schematic structural view of a cableless roll changer according to the present utility model.
The reference numerals of the components in the drawings are as follows:
the device comprises a machine body 1, a traveling device 2, a roll changing hook head 3, a speed reducer 4, a link chain ring 5, a motor 6, an electric cylinder 7, a rechargeable lithium battery 8, a vehicle-mounted computer 9 and a traveling chain wheel 10.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1, the cable-free roll changer comprises a machine body 1, a traveling device 2, a roll changing hook head 3 and a power device, wherein the traveling device 2 and the roll changing hook head 3 are arranged on the machine body 1, the power device is used for providing power for the traveling device 2 and the roll changing hook head 3, the power device comprises a motor 6 and an electric cylinder 7, the motor 6 and the electric cylinder 7 are electrically connected with a rechargeable lithium battery 8, the traveling device 2 is in transmission connection with the motor 6, the roll changing hook head 3 is in transmission connection with the electric cylinder 7, the motor 6 and the electric cylinder 7 are further connected with a vehicle-mounted computer 9, and the vehicle-mounted computer 9 is in wireless communication with an operation desk through a wireless communication device.
In this embodiment, the motor 6 is a brushless dc motor, and when in use, the motor 6 drives the traveling device 2 to realize traveling of the roll changer, and the electric cylinder 7 realizes the motion of the roll changer hook head 3, so that the roll changer is calculated and controlled by the vehicle-mounted computer 9 according to the advancing rear leg, acceleration and deceleration and position limit of the graph.
In addition, during operation, a roll changing command is issued through the operation panel, the state of the current roll changing machine including the position state and the working state is confirmed through the vehicle-mounted computer 9, and the roll changing machine is controlled to execute the command. The operation desk and the vehicle-mounted computer 9 are communicated through the wireless communication device, a control cable is not needed any more, the roll changing machine provides energy for the power device 5 through the rechargeable lithium battery, and a power cable is not needed any more.
Finally, when the roll changer returns to the waiting position after the roll changing task is performed, the detection and charging of the rechargeable lithium battery 8 can be performed.
In other embodiments, running gear 2 may include a running sprocket 10, running sprocket 10 being driven by motor 6, running sprocket 10 engaging with a link chain 5 provided on the ground.
A speed reducer 4 may also be provided between the motor 6 and the running sprocket 10 to reduce the power requirements of the motor 6.
In the above embodiment, one end of the roll changing hook 3 is hinged on the machine body 1, the electric cylinder 7 controls the roll changing hook 3 to rotate, and the electric cylinder 7 can be replaced by a hydraulic cylinder, and the hydraulic cylinder controls the roll changing hook 3 to rotate.
By implementing the utility model, the replacement of the cable is omitted, the production cost is greatly reduced, taking a certain hot rolling mill as an example, the roll changing machine shares the cable 18 x 2 x 7=252M every year, and the cable is replaced once every year according to 7500 yuan/meter (ten thousands of imported cables) of domestic cables per meter:
annual cost 7500×252=189 ten thousand yuan
Maintenance cost: two cables of each roll changer take 50 yuan/hour, one cable is replaced for 5 hours, the number of construction persons is 10, and 7 roll changers are provided in total:
maintenance labor cost 50 x 2 x 5 x 10 x 7=3.5 ten thousand yuan
The cable reel is replaced by 24 ten thousand per year, meanwhile, the rolling time is influenced by the faults of the roll changing machine to be 3.5 hours per year (the average of 4 years of a certain steel plant), the annual output of the certain steel plant is 450 ten thousand tons per year/(365-35)/24/60=9.47 tons per minute, the annual output of the high-output steel is 7.4 x 3.5 x 60= 1988.7 tons, and the calculated average price of the steel settlement of the certain steel plant is 2600 yuan per ton 1988.7 = 517.062 ten thousand yuan per year.
Aggregate annual savings: 189+3.5++ 24+517.062= 733.562 ten thousand yuan per year.
Meanwhile, the cable-free roll changer has the advantages that the roll changing efficiency is greatly improved, the failure rate of the roll changer is reduced, and the production efficiency is improved because no cable is used; after cordless realization, the roll changer can be exchanged between any rolling mills for use (only the current rolling mill number is required to be reset), and when one rolling mill fails, the standby roll changer can be changed to a frame with the failure, so that the roll changer is overhauled in a way that excessive time is not delayed, generally only 10 minutes is required, and the influence on production is avoided.
Claims (5)
1. The utility model provides a no cable roll changer, includes organism (1) and sets up running gear (2), roll change gib head (3) and for running gear (2) and roll change gib head (3) provide power device, its characterized in that on organism (1): the power device comprises a motor (6) and an electric cylinder (7), the motor (6) and the electric cylinder (7) are electrically connected with a rechargeable lithium battery (8), the walking device (2) is in transmission connection with the motor (6), the roll changing hook head (3) is in transmission connection with the electric cylinder (7), the motor (6) and the electric cylinder (7) are further connected with a vehicle-mounted computer (9), and the vehicle-mounted computer (9) is in wireless communication with an operating platform through a wireless communication device.
2. The cableless roll changer according to claim 1, characterized in that: the walking device (2) comprises a walking chain wheel (10), the walking chain wheel (10) is driven by the motor (6), and the walking chain wheel (10) is meshed with a link chain ring (5) arranged on the ground.
3. The cableless roll changer according to claim 2, characterized in that: a speed reducer (4) is arranged between the motor (6) and the walking chain wheel (10).
4. The cableless roll changer according to claim 1, characterized in that: one end of the roll changing hook head (3) is hinged to the machine body (1), and the electric cylinder (7) controls the roll changing hook head (3) to rotate.
5. The cableless roll changer according to claim 1, characterized in that: the roll changing hook head (3) is in transmission connection with a hydraulic cylinder, and the hydraulic cylinder controls the roll changing hook head (3) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932422.7U CN220444647U (en) | 2023-04-23 | 2023-04-23 | Cable-free roller changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932422.7U CN220444647U (en) | 2023-04-23 | 2023-04-23 | Cable-free roller changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220444647U true CN220444647U (en) | 2024-02-06 |
Family
ID=89734823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320932422.7U Active CN220444647U (en) | 2023-04-23 | 2023-04-23 | Cable-free roller changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220444647U (en) |
-
2023
- 2023-04-23 CN CN202320932422.7U patent/CN220444647U/en active Active
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