CN217316805U - Dismounting device for roll gap adjusting mechanism of rolling mill - Google Patents
Dismounting device for roll gap adjusting mechanism of rolling mill Download PDFInfo
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- CN217316805U CN217316805U CN202220908426.7U CN202220908426U CN217316805U CN 217316805 U CN217316805 U CN 217316805U CN 202220908426 U CN202220908426 U CN 202220908426U CN 217316805 U CN217316805 U CN 217316805U
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- roll gap
- rolling mill
- hanging plate
- hanging
- dismounting device
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- 238000005096 rolling process Methods 0.000 title claims abstract description 27
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 210000000078 claw Anatomy 0.000 claims description 5
- 241001079814 Symphyotrichum pilosum Species 0.000 claims 1
- 235000004224 Typha angustifolia Nutrition 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of rolling mills, in particular to a dismounting device for a rolling mill roll gap adjusting mechanism, which comprises a jaw component and two hydraulic cylinders, wherein the jaw component comprises a hanging plate and a jaw mechanism arranged at the bottom of the hanging plate, the central part of the hanging plate is provided with a hanging ring, the jaw mechanism comprises at least one pair of jaws which are oppositely arranged, each jaw comprises a fixedly connected hanging part and a supporting part, the supporting part supports a supporting plate of the rolling mill roll gap adjusting mechanism, the two hydraulic cylinders are fixed on the hanging plate, piston rods of the two hydraulic cylinders respectively pass through the hanging plate to support two pull rods, and the two piston rods correspond to the two pull rods one by one; the utility model discloses two piston rods that utilize two pneumatic cylinders support two pull rods respectively, and the backup pad is held to the jack catch, and the piston rod extends gradually and drives whole device upward movement, makes roll gap adjustment mechanism break away from with the pull rod, and the device simple structure, stability is high.
Description
Technical Field
The utility model relates to a rolling mill technical field especially relates to a rolling mill roll gap adjustment mechanism dismounting device.
Background
The roll gap adjusting mechanism of the rolling mill is used for adjusting the roll gap so as to enable a rolled piece to reach a required section size, and the upper roll adjusting device is also called a screw-down device. The roll gap adjusting mechanism of the rolling mill generally adopts a worm-worm gear, a gear device rotates four pull rods, and an upper roller and a lower roller are symmetrically adjusted relative to a rolling line under the action of a forward thread pair and a reverse thread pair of the pull rods. The roll gap adjusting mechanism is generally in interference connection with the pull rod, and when the roll gap adjusting mechanism breaks down and needs to be maintained, the roll gap adjusting mechanism needs to be detached from the pull rod.
Three hydraulic jacks prop against the bottom of a support plate of the rolling mill roll gap adjusting mechanism by three persons to jack the roll gap adjusting mechanism to separate the roll gap adjusting mechanism from a pull rod, so that manpower is consumed, the jacks and the support plate are difficult to fix, the possibility of slippage exists, potential safety hazards exist, the three jacks are difficult to synchronously lead the roll gap adjusting mechanism to be inconsistent in lifting, and the disassembly is difficult.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problems that in the prior art, labor is consumed when a jack is adopted for dismounting, the jack and a supporting plate are difficult to fix, the possibility of slipping exists, and potential safety hazards exist, a dismounting device for a rolling mill roll gap adjusting mechanism is provided.
In order to solve the technical problem, the utility model discloses a following technical scheme: a dismounting device for a rolling mill roll gap adjusting mechanism comprises a jaw component and two hydraulic cylinders;
the clamping jaw assembly comprises a hanging plate and a clamping jaw mechanism arranged at the bottom of the hanging plate, a hanging ring is arranged at the central part of the hanging plate, the clamping jaw mechanism comprises at least one pair of clamping jaws which are arranged oppositely, each clamping jaw comprises a hanging part and a supporting part which are fixedly connected, and the supporting part supports a supporting plate of the rolling mill roll gap adjusting mechanism;
the two hydraulic cylinders are fixed on the hanging plate, through holes for the piston rods to pass through are formed in the hanging plate, the piston rods of the two hydraulic cylinders respectively pass through the two through holes and then abut against the two pull rods, and the two piston rods correspond to the two pull rods one to one.
According to the technical scheme, the two piston rods of the two hydraulic cylinders are used for respectively supporting the two pull rods, the clamping jaws support the supporting plate, the piston rods are gradually extended to drive the whole device to move upwards, so that the roll gap adjusting mechanism is separated from the pull rods, and the device is simple in structure and high in stability.
Further, jack catch mechanism includes a pair of fixed jack catch and a plurality of pairs of removable jack catches, fixed jack catch is fixed at the hanger plate both ends, and removable jack catch is located between the fixed jack catch, and is longer because of the backup pad, can hold the more firm support of backup pad through the fixed jack catch at both ends and the removable jack catch that is located in the middle of, avoids backup pad middle part downwarping to cause the potential safety hazard, and for the ease of adjusting the position of fixed jack catch, can demolish the removable jack catch earlier, and the position adjustment of fixed jack catch is installed again after good.
Furthermore, the detachable clamping jaws are connected with the hanging plate through screws, the threaded connection mode is stable, and the detachable clamping jaws can be detached.
Furthermore, the detachable clamping jaws are connected to the hanging plate in a sliding mode, and the distance between the two clamping jaws in each pair of detachable clamping jaws can be adjusted by enabling the two clamping jaws to be close to or far away from each other according to the actual condition of the roll gap adjusting mechanism, so that the supporting is more stable.
Furthermore, a sliding groove is formed in the hanging plate, a screw cap of the screw abuts against the hanging plate, a screw rod of the screw is connected into the sliding groove in a sliding mode, when the position of the detachable clamping jaw needs to be adjusted, the screw is unscrewed to enable the screw to slide in the sliding groove, and after the position is adjusted in place, the clamping jaw is fixed by screwing the bolt.
Furthermore, the two hydraulic cylinders are connected through the synchronous motor, so that the synchronous action of the two hydraulic cylinders can be ensured, and the two piston rods can synchronously extend out or retract.
Furthermore, the head of the piston rod of the hydraulic cylinder is conical, and the conical structure can play a role in guiding, so that the piston rod can be more easily inserted into the central hole of the pull rod, and can better abut against the pull rod.
The utility model has the advantages that: the utility model discloses two piston rods that utilize two pneumatic cylinders support two pull rods respectively, and the backup pad is held to the jack catch, and the piston rod extends gradually and drives whole device upward movement, makes roll gap adjustment mechanism break away from with the pull rod, and the device simple structure, stability is high.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the jaw assembly;
FIG. 3 is a top view of the jaw assembly;
FIG. 4 is a left side view of the jaw assembly;
in the figure:
1. a hydraulic cylinder; 101. a piston rod; 2. a jaw assembly; 201. a hanger plate; 2011. a chute; 2012. a hoisting ring; 202. a suspending part; 203. a holding section; 204. fixing the clamping jaw; 205. the clamping jaw can be disassembled; 3. a screw; 4. a synchronous motor; 5. a pull rod; 6. a roll gap adjusting mechanism; 601. a support plate; 7. an oil supply system; 8. a reversing valve.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The first embodiment is as follows:
as shown in fig. 1-4, the utility model relates to a dismounting device for a roll gap adjusting mechanism of a rolling mill, which comprises a jaw component 2 and two hydraulic cylinders 1;
the jaw component 2 comprises a hanging plate 201, a pair of fixed jaws 204 and a plurality of pairs of detachable jaws 205, a hanging ring 2012 is arranged at the center part of the hanging plate 201, the fixed jaws 204 are fixed at two ends of the hanging plate 201, the detachable jaws 205 are positioned between the two fixed jaws 204, the detachable jaws 205 are connected with the hanging plate 201 through screws 3, a sliding groove 2011 is formed in the hanging plate 201, the detachable jaws 205 are slidably connected with the hanging plate 201, a nut of each screw 3 abuts against the hanging plate 201, a screw rod of each screw 3 is slidably connected in the sliding groove 2011, the distance between the two jaws in each pair of detachable jaws 205 can be adjusted by approaching or keeping away from each other according to the actual condition of the roll gap adjusting mechanism 6, when the position of the detachable jaws 205 needs to be adjusted, the screws 3 are unscrewed to enable the screws 3 to slide in the sliding grooves 2011, and after the position is adjusted in place, the screws are screwed to fix the detachable jaws 205, each jaw comprises a suspension part 202 and a supporting part 203 which are fixedly connected, and the supporting part 203 supports a supporting plate 601 of the rolling mill roll gap adjusting mechanism 6.
The two hydraulic cylinders 1 are fixed on the hanging plate 201, through holes for the piston rods 101 to pass through are formed in the hanging plate 201, the piston rods 101 of the two hydraulic cylinders 1 respectively pass through the two through holes and then abut against the two pull rods 5, and the two piston rods 101 correspond to the two pull rods 5 one by one.
The two hydraulic cylinders 1 are connected through the synchronous motor 4, so that synchronous action of the two hydraulic cylinders 1 can be ensured, and the two piston rods 101 can synchronously extend out or retract.
The head of the piston rod 101 of the hydraulic cylinder 1 is conical, and the conical structure can play a role in guiding, so that the piston rod 101 can be more easily inserted into the central hole of the pull rod 5, and can better abut against the pull rod 5.
The working principle is as follows:
when in disassembly, firstly, the hoisting ring 2012 is hoisted by the crane to hoist the disassembling device to the upper part of the roller gap adjusting mechanism 6 of the rolling mill which needs to be disassembled, the position of the fixed jaw 204 is adjusted after the detachable jaw 205 is disassembled to support the supporting plate 601 of the roller gap adjusting mechanism 6, then the detachable claw 205 is installed to also support the supporting plate 601 of the roll gap adjusting mechanism 6, then the head of the piston rod 101 of the hydraulic cylinder 1 is supported in the center hole of the head of the pull rod 5, the oil supply system 7 is started, the reversing valve 8 is adjusted, the synchronous motor 4 enables the piston rods 101 of the two hydraulic cylinders 1 to synchronously extend downwards, the rolling mill roll gap adjusting mechanism 6 is separated from the rolling mill pull rod 5, the crane hangs the hanging ring 2012 to hang the device on a maintenance workbench, the reversing valve 8 is adjusted to enable the piston rod 101 of the special hydraulic cylinder 1 to be retracted, the claw assembly 2 loosens the supporting plate 601 of the rolling mill roll gap adjusting mechanism 6, the oil supply system 7 is closed, and finally the crane hangs the hanging ring 2012 to hang the device on a special placing platform.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a rolling mill roll gap adjustment mechanism dismounting device which characterized in that: comprises a jaw component (2) and two hydraulic cylinders (1);
the clamping jaw assembly (2) comprises a hanging plate (201) and a clamping jaw mechanism arranged at the bottom of the hanging plate (201), a hanging ring (2012) is arranged at the center of the hanging plate (201), the clamping jaw mechanism comprises at least one pair of clamping jaws which are arranged oppositely, each clamping jaw comprises a hanging part (202) and a supporting part (203) which are fixedly connected, and the supporting part (203) supports a supporting plate (601) of the roll gap adjusting mechanism (6);
two pneumatic cylinders (1) are all fixed on hanger plate (201), and two piston rods (101) of two pneumatic cylinders (1) pass hanger plate (201) respectively and support two pull rods (5), and two piston rods (101) and two pull rods (5) one-to-one.
2. The rolling mill roll gap adjustment mechanism dismounting device of claim 1, characterized in that: the jaw mechanism comprises a pair of fixed jaws (204) and a plurality of pairs of detachable jaws (205), the fixed jaws (204) are fixed at two ends of the hanger plate (201), and the detachable jaws (205) are located between the two fixed jaws (204).
3. The rolling mill roll gap adjustment mechanism dismounting device of claim 2, characterized in that: the detachable clamping jaw (205) is connected with the hanging plate (201) through a screw (3).
4. The rolling mill roll gap adjustment mechanism dismounting device of claim 3, characterized in that: the detachable claws (205) are connected on the hanging plate (201) in a sliding way, and two claws in each pair of detachable claws (205) can get close to or far away from each other.
5. The rolling mill roll gap adjustment mechanism dismounting device according to claim 4, characterized in that: a sliding groove (2011) is formed in the hanging plate (201), a nail cap of the screw (3) is abutted to the hanging plate (201), and a nail rod of the screw (3) is connected into the sliding groove (2011) in a sliding mode.
6. The rolling mill roll gap adjustment mechanism dismounting device of claim 1, characterized in that: the two hydraulic cylinders (1) are connected through a synchronous motor (4).
7. The rolling mill roll gap adjustment mechanism dismounting device of claim 1, characterized in that: the head of a piston rod (101) of the hydraulic cylinder (1) is conical.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220908426.7U CN217316805U (en) | 2022-04-19 | 2022-04-19 | Dismounting device for roll gap adjusting mechanism of rolling mill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220908426.7U CN217316805U (en) | 2022-04-19 | 2022-04-19 | Dismounting device for roll gap adjusting mechanism of rolling mill |
Publications (1)
Publication Number | Publication Date |
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CN217316805U true CN217316805U (en) | 2022-08-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202220908426.7U Active CN217316805U (en) | 2022-04-19 | 2022-04-19 | Dismounting device for roll gap adjusting mechanism of rolling mill |
Country Status (1)
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CN (1) | CN217316805U (en) |
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2022
- 2022-04-19 CN CN202220908426.7U patent/CN217316805U/en active Active
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