CN220259099U - Quick change mechanism and quick change device for rolling mill roll bending block - Google Patents
Quick change mechanism and quick change device for rolling mill roll bending block Download PDFInfo
- Publication number
- CN220259099U CN220259099U CN202321302983.5U CN202321302983U CN220259099U CN 220259099 U CN220259099 U CN 220259099U CN 202321302983 U CN202321302983 U CN 202321302983U CN 220259099 U CN220259099 U CN 220259099U
- Authority
- CN
- China
- Prior art keywords
- wedge
- sliding
- block
- roll
- roll bending
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000013000 roll bending Methods 0.000 title claims abstract description 91
- 230000007246 mechanism Effects 0.000 title claims abstract description 56
- 238000005096 rolling process Methods 0.000 title claims abstract description 56
- 230000008859 change Effects 0.000 title claims abstract description 24
- 230000009471 action Effects 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The utility model relates to a quick change mechanism for a roll bending block of a rolling mill, which comprises a working frame and a working module, wherein the working module comprises a sliding wedge, a connecting wedge and an action unit, the sliding wedge is arranged on the working frame in a sliding way, the connecting wedge is provided with a connecting structure for fixedly connecting with the roll bending block, wedge surface matching is carried out between the connecting wedge and the sliding wedge, the wedge surface of the sliding wedge inclines relative to the sliding direction of the sliding wedge, and the action unit is connected with the connecting wedge and/or the sliding wedge and can drive the connecting wedge and the sliding wedge to slide relatively. In addition, the utility model also relates to a quick-change device for the roll bending block of the rolling mill, which comprises the quick-change mechanism. The utility model is fixedly connected with the roll bending block through the connecting wedge and is matched with the sliding wedge in a wedge surface manner, the roll bending block can be lifted up and well supported in the roll bending block changing process, the roll bending block can be conveniently pulled out from or mounted on a rolling mill, and the utility model has the characteristics of simple structure, stable operation, safety, reliability, convenient and quick maintenance and the like, and can greatly improve the production efficiency and the safety.
Description
Technical Field
The utility model belongs to the technical field of rolling mills, and particularly relates to a quick-change mechanism for a rolling mill roll bending block and a quick-change device for the rolling mill roll bending block comprising the quick-change mechanism.
Background
With the increasing demands of the market on high-quality strip steel and the technical progress of strip steel convexity shape control in the metallurgical industry, the strong bending roller capable of bringing wider adjustment capability is gradually widely applied, but the weight of each bending roller block of the strong bending roller is basically about 4-5 tons and is distributed in a mill housing window, and the safe replacement process cannot be directly realized by a travelling crane or a manual mode in the processes of removing old and installing new strip steel.
Chinese patent CN102029291a discloses a quick replacement device for roll bending blocks of a rolling mill, wherein a jack is driven to move by a roll bending block replacement trolley, and the roll bending blocks are supported by the jack to realize the replacement of the roll bending blocks. This approach requires a large working space, and many rolling mills have limited space, which results in poor application; in addition, the replacement device is poor in stability, the roll bending block is heavy in weight, and the trolley is easy to roll over or the roll bending block is easy to roll over in the replacement process.
Disclosure of Invention
The utility model relates to a quick-change mechanism for a roll bending block of a rolling mill and a quick-change device for the roll bending block of the rolling mill comprising the quick-change mechanism, which at least can solve part of defects in the prior art.
The utility model relates to a quick change mechanism for a roll bending block of a rolling mill, which comprises a working frame and a working module, wherein the working module comprises a sliding wedge, a connecting wedge and an action unit, the sliding wedge is arranged on the working frame in a sliding manner, the connecting wedge is provided with a connecting structure for fixedly connecting with the roll bending block, the connecting wedge is matched with the sliding wedge in a wedge surface manner, the wedge surface of the sliding wedge is inclined relative to the sliding direction of the sliding wedge, and the action unit is connected with the connecting wedge and/or the sliding wedge and can drive the connecting wedge and the sliding wedge to slide relatively.
As one of the implementation modes, the sliding wedge is of an L-shaped structure and comprises a wedge plate and a vertical structure plate connected to the wedge plate, wherein the wedge plate is arranged on the working frame in a sliding manner and is in wedge surface fit with the connecting wedge;
the action unit comprises an adjusting screw and an adjusting nut which is in threaded connection with the adjusting screw, the adjusting screw penetrates through the vertical structure plate and is fixedly connected with the connecting wedge at one end, and the adjusting nut is in close contact with one side plate surface of the vertical structure plate, which is far away from the connecting wedge.
As one of implementation modes, the vertical structure plate is provided with a straight hole, the length direction of the straight hole is parallel to the vertical direction, and the adjusting screw rod penetrates through the straight hole.
As one of the implementation modes, the sliding rail on the operation frame is a groove-shaped sliding rail, a plurality of bolt holes are respectively arranged on the groove walls of two sides of the groove-shaped sliding rail, and locking holes are correspondingly arranged on the sliding wedges; the quick change mechanism of the rolling mill roll bending block is further provided with a safety pin matched with the bolt hole and the locking hole.
As one of the implementation modes, the quick-change mechanism for the rolling mill roll bending blocks comprises an inlet module group for changing the inlet roll bending blocks and an outlet module group for changing the outlet roll bending blocks, wherein the inlet module group and the outlet module group comprise two working modules which are arranged at intervals.
The utility model also relates to a quick change device for the rolling mill roll bending block, which comprises an operation side bending roll block change mechanism and a transmission side bending roll block change mechanism, wherein the operation side bending roll block change mechanism and/or the transmission side bending roll block change mechanism adopts the quick change mechanism for the rolling mill roll bending roll block.
As one of implementation modes, the operation side bending roll block replacement mechanism and the transmission side bending roll block replacement mechanism are both the rolling mill bending roll block quick replacement mechanism, and the two groups of operation frames are connected into a whole through a connecting frame.
As one embodiment, a replacement hook adapted to cooperate with the replacement work roll cylinder is also connected to the work frame on the operation side.
The utility model has at least the following beneficial effects:
according to the utility model, the connecting wedge is fixedly connected with the roll bending block and is matched with the sliding wedge in a wedge surface manner, so that the roll bending block can be lifted up and well supported in the roll bending block changing process, and the roll bending block can be conveniently pulled out of or mounted on a rolling mill.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a roll bending block quick-change device of a rolling mill according to an embodiment of the present utility model;
FIG. 2 is a view from view A in FIG. 1;
fig. 3 is a sectional view of B-B in fig. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1-3, an embodiment of the present utility model provides a quick-change mechanism for a roll bending block of a rolling mill, including a working frame 1 and a working module, where the working module includes a sliding wedge 2, a connecting wedge 3, and an acting unit, where the sliding wedge 2 is slidably disposed on the working frame 1, the connecting wedge 3 is configured with a connecting structure for fixedly connecting with the roll bending block, wedge surface matching is performed between the connecting wedge 3 and the sliding wedge 2, a wedge surface of the sliding wedge 2 is inclined relative to a sliding direction of the sliding wedge 2, and the acting unit is connected with the connecting wedge 3 and/or the sliding wedge 2 and can drive the connecting wedge 3 and the sliding wedge 2 to slide relatively.
In one embodiment, the working frame 1 is an i-shaped frame structure, and includes two transverse frame beams and a bridging frame beam, wherein two ends of the bridging frame beam are respectively connected with the two transverse frame beams; wherein, the length direction of the transverse frame beam is parallel to the axis of the working roll of the rolling mill.
A slide rail is provided on the work frame 1, and the slide wedge 2 slides on the slide rail. In the above-mentioned i-shaped work frame, it is preferable that slide rails are provided on the two transverse frame beams, respectively, and slide wedges 2 are provided on the two slide rails, respectively, so that the above-mentioned work modules have a plurality of groups. Preferably, the two groups of operation modules are used for jointly completing the replacement operation of one roll bending block, so that the roll bending block has higher stability in the replacement process, and the operation reliability can be improved.
Optionally, the operation modules comprise four groups, including an inlet module group for replacing an inlet side bending roller block and an outlet module group for replacing an outlet side bending roller block, wherein the inlet module group and the outlet module group comprise two groups of operation modules which are arranged at intervals; the two groups of operation modules of the inlet module group are respectively arranged on the two sliding rails and positioned at the inlet side of the rolling mill of the sliding rails, and the two groups of operation modules of the outlet module group are respectively arranged on the two sliding rails and positioned at the outlet side of the rolling mill of the sliding rails. Therefore, a set of quick-changing mechanism for the roll bending blocks of the rolling mill can complete the roll bending block changing operation of the inlet side and the outlet side of the rolling mill, is convenient and reliable, and can reduce the number of maintenance equipment.
The two connecting wedges 3 in the inlet module group can be mutually independent or can be connected into a whole; the two connecting wedges 3 in the outlet module group can also be of identical construction. As shown in fig. 1, two connecting wedges 3 in each module group are respectively inserted into two side edges of the roll bending block, so that interference with a roll bending cylinder piston rod on the roll bending block is avoided; in the structure shown in fig. 1, two connecting wedges 3 in each module group are connected into a whole to form a portal structure, and a bridging plate 31 for connecting the two connecting wedges 3 is fixedly connected with the roll bending block, so that the connection between the two connecting wedges 3 and the roll bending block can be realized, and the bridging plate 31 is connected with the roll bending block by a screw, etc.
The roll bending block quick-change mechanism of the rolling mill needs to enter and exit the rolling mill, preferably enters the rolling mill by means of the roll changing track of the working roll, so that the problems of insufficient field arrangement space, disordered equipment arrangement and the like caused by independently arranging the track of the roll bending block quick-change mechanism of the rolling mill can be avoided, and the equipment cost can be reduced. Further, as shown in fig. 2, a sliding lining board matched with a roller changing track of the working roller is arranged at the bottom of the working frame 1; for the above-mentioned i-shaped work frame 1, in one embodiment, a V-shaped lining plate 64 is disposed at the bottom of one of the transverse frame beams, and a flat lining plate 65 is disposed at the bottom of the other transverse frame beam, so that the stability of the movement of the work frame 1 on the work roll changing track can be ensured. Preferably, the sliding lining board is detachably arranged at the bottom of the working frame 1, for example, the sliding lining board is fixed by bolts and the like, so that the sliding lining board is convenient to replace; preferably, the sliding lining plate is arranged into a plurality of lining plate sections which are arranged at intervals along the sliding direction of the sliding lining plate, so that the contact area between the sliding lining plate and the roller changing track of the working roller can be reduced, and the service life of the sliding lining plate is prolonged.
The connecting wedge 3 and the sliding wedge 2 are preferably connected into a whole, so that the connecting wedge and the sliding wedge can stably support the bending roll block; the two are preferably detachably connected, so that the two are conveniently connected into a whole or disconnected.
In one embodiment, as shown in fig. 1 and 2, the sliding wedge 2 has an L-shaped structure, and includes a wedge plate 21 and a vertical structural plate 22 connected to the wedge plate 21, where the wedge plate 21 is slidably disposed on the working frame 1 and performs wedge surface matching with the connecting wedge 3;
the action unit comprises an adjusting screw rod 51 and an adjusting nut 52 which is in threaded connection with the adjusting screw rod 51, the adjusting screw rod 51 is arranged on the vertical structural plate 22 in a penetrating mode, one end of the adjusting screw rod is fixedly connected with the connecting wedge 3, and the adjusting nut 52 is abutted to one side plate surface, far away from the connecting wedge 3, of the vertical structural plate 22.
Based on the scheme, the connecting wedge 3 and the sliding wedge 2 can be connected into a whole, the connecting wedge 3 and the sliding wedge 2 can move relatively, the structure is simple, the operation is convenient, and the efficiency of roll bending block replacement can be improved.
Preferably, an anti-rotation nut 53 is further arranged on the connecting wedge 3, the anti-rotation nut 53 is an interference type anti-rotation nut 53 which is matched with the adjusting screw 51, so that the condition that connection between the adjusting screw 51 and the connecting wedge 3 is loose can be prevented, and the working reliability of the rolling mill roll bending block quick-change mechanism is ensured.
Preferably, the vertical structural plate 22 is provided with a straight hole, the length direction of the straight hole is parallel to the vertical direction, and the adjusting screw 51 passes through the straight hole. By arranging the straight hole, the self-resetting capability of the adjusting screw 51 in the process of changing the roll bending block can be improved, and the conditions that the adjusting screw 51 is out of position or bears larger acting force and the like due to the reasons of roll bending block shaking and the like are avoided.
In the embodiment, the flexible connection between the connecting wedge 3 and the sliding wedge 2 is realized through the adjusting screw rod 51 and the adjusting nut 52, the structure is simple, the operation is convenient, and the screw rod mechanism formed by the adjusting screw rod 51 and the adjusting nut 52 has stronger load bearing capacity and can better meet the replacement operation requirement of the bending roll block.
Preferably, the sliding wedge 2 is provided with a hinge hole 23 and is fitted with an adjustment pin. Wherein the axis of the reaming hole 23 is preferably perpendicular to the sliding direction of the sliding wedge 2; the adjusting pin is preferably in interference fit with the hinge hole 23 to improve the impact resistance of the adjusting pin. The number of the hinge holes 23 is preferably plural, for example, 2 to 3, and an adjusting pin is fitted in each hinge hole 23. Based on the scheme, in the process of changing the roll bending block, the position and the angle of the sliding wedge 2 can be regulated in an auxiliary manner by manually knocking the regulating pin, so that the situations of deflection or position deviation and the like of the sliding wedge 2 are avoided, and smooth and efficient roll bending block replacement is ensured.
In one embodiment, as shown in fig. 1 to 3, the sliding rail on the working frame 1 is a slot-shaped sliding rail 61, a plurality of bolt holes are respectively arranged on the slot walls on two sides of the slot-shaped sliding rail 61, and locking holes are correspondingly arranged on the sliding wedges 2; the quick change mechanism for the roll bending block of the rolling mill is also provided with a safety pin 63 which is matched with the bolt hole and the locking hole. By inserting the safety pin 63 into the latch hole and the locking hole at the corresponding positions, the slide wedge 2 can be locked to the work frame 1, so that the roll bar can be locked to the work frame 1, preventing the roll bar from tipping or rotating. Wherein, each bolt hole on each side groove wall is arranged in sequence along the guiding direction of the sliding rail; the locking hole on the sliding wedge 2 preferably penetrates through two side walls of the sliding wedge, and the safety pin 63 can be inserted from one side groove wall and then inserted into the other side groove wall after passing through the sliding wedge 2; the locking holes can be multiple.
Preferably, a guiding lining plate 62 is arranged at the bottom of the groove type sliding rail 61, and the upper surface of the guiding lining plate 62 is consistent with the bottom elevation of the sliding wedge 2 when the roll bending block is pulled out, so that the roll bending block can be smoothly separated from the inner wall of the mill housing.
Further, the sliding wedge 2 is also provided with a plurality of hollowed holes, so that the weight of the sliding wedge 2 can be correspondingly reduced, and the flexibility of the sliding wedge is improved; the hollowed-out hole is arranged on the side wall of the sliding wedge 2 and can also play a role of temporarily bearing the locking hole. In addition, the connecting wedge 3 can be provided with a hollowed-out hole in the same way so as to reduce the weight of the connecting wedge.
Optionally, the inclination of the inclined plane of the sliding wedge 2 relative to the horizontal plane is 4 ° to 7 °, preferably about 5 °, so that the horizontal component of the interaction force between the sliding wedge 2 and the connecting wedge 3 is small while ensuring reliable jacking of the roll bending block, and the load applied to the adjusting screw 51, the adjusting nut 52, etc. can be greatly reduced.
Further, as shown in fig. 1-3, the quick change mechanism for roll bending blocks of the rolling mill is further provided with a pull plate 4, and a pull ring 41 is arranged on the pull plate 4; the pull plate 4 is fixedly connected to the roll bending block, so that power equipment (such as a chain block, an electric block and the like) can conveniently pull the roll bending block away from a mill housing.
Example two
Referring to fig. 1 and 3, an embodiment of the present utility model provides a roll bending block quick-changing device for a rolling mill, including an operation side bending block changing mechanism and a transmission side bending block changing mechanism, where the operation side bending block changing mechanism and/or the transmission side bending block changing mechanism adopts the roll bending block quick-changing mechanism provided in the first embodiment.
Preferably, the operation side bending roll block replacement mechanism and the transmission side bending roll block replacement mechanism both adopt the rolling mill bending roll block quick replacement mechanism. The two sets of bending roller block replacement mechanisms can be exchanged, so that the device has higher device interchangeability, is beneficial to standardized manufacturing, and reduces device cost and maintenance cost.
Further, as shown in fig. 1 and 3, the two sets of work frames 1 are integrally connected by a connecting frame 9. Wherein, the two groups of operation frames 1 can be connected into a whole through a connecting frame 9; the connection frame 9 includes, but is not limited to, a groined frame structure, and has grating plates provided on the upper surface thereof, which can provide a safe operation platform for the replacement process.
Preferably, as shown in fig. 1 and 3, the working frame 1 on the operating side is also connected with a replacement hook 8 which is suitable for being matched with a working roll replacement hydraulic cylinder, in particular, in the scheme that the rolling mill roll bending block quick-change mechanism enters the rolling mill by means of a working roll replacement rail, and the rolling mill roll bending block quick-change device can enter the rolling mill through the working roll replacement hydraulic cylinder. Wherein, the replacement hook 8 can realize an automatic hooking function by utilizing an inclined plane.
Example III
The embodiment of the utility model provides a method for replacing a roll bending block of a rolling mill, which is implemented based on the rapid replacing mechanism of the roll bending block of the rolling mill or the rapid replacing device of the roll bending block of the rolling mill,
the method for removing the old comprises the following steps:
a1, pushing a quick change mechanism of a roll bending block of a rolling mill into the rolling mill, enabling a connecting wedge 3 to be fixedly connected with the roll bending block, and lifting the roll bending block through the cooperation of the connecting wedge 3 and a sliding wedge 2;
a2, connecting a pull plate 4 on the roll bending block, and pulling the roll bending block out of the frame through the cooperation of the power equipment and the pull plate 4;
a3, pulling out the quick change mechanism of the roll bending block of the rolling mill, installing a roll bending block hanging ring, and hanging away the roll bending block after the connection between the connecting wedge 3 and the roll bending block is released;
the new method comprises the following steps:
b1, placing the working frame 1 on a roller changing track of a working roller, fixing the connecting wedge 3 on a roll bending block, lifting the roll bending block to the sliding wedge 2 and enabling the connecting wedge 3 to be matched with the sliding wedge 2;
b2, removing the connection between the roller block and the lifting equipment, and removing the lifting ring of the roller block; pushing the roll bending block quick-change mechanism of the rolling mill into the rolling mill, pushing the roll bending block into a seam allowance of a rolling mill housing by using a hydraulic jack, fixing the roll bending block on the rolling mill housing, and pulling the roll bending block quick-change mechanism of the rolling mill out of the rolling mill after the connection between the connecting wedge 3 and the roll bending block is released.
Wherein, in b1, when the adjusting screw 51 and the adjusting nut 52 are installed, a tension band is used to prevent the adjusting screw 51 from being inclined.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. A rolling mill roll bending piece quick change mechanism is characterized in that: the device comprises a working frame and a working module, wherein the working module comprises a sliding wedge, a connecting wedge and an action unit, the sliding wedge is arranged on the working frame in a sliding mode, the connecting wedge is provided with a connecting structure which is fixedly connected with a roll bending block, wedge surface matching is carried out between the connecting wedge and the sliding wedge, the wedge surface of the sliding wedge inclines relative to the sliding direction of the sliding wedge, and the action unit is connected with the connecting wedge and/or the sliding wedge and can drive the connecting wedge to slide relatively between the sliding wedge.
2. The roll bending block quick change mechanism of claim 1, wherein: the sliding wedge is of an L-shaped structure and comprises an inclined wedge plate and a vertical structure plate connected to the inclined wedge plate, and the inclined wedge plate is arranged on the operation frame in a sliding manner and is in wedge surface fit with the connecting wedge;
the action unit comprises an adjusting screw and an adjusting nut which is in threaded connection with the adjusting screw, the adjusting screw penetrates through the vertical structure plate and is fixedly connected with the connecting wedge at one end, and the adjusting nut is in close contact with one side plate surface of the vertical structure plate, which is far away from the connecting wedge.
3. The roll bending block quick change mechanism of claim 2, wherein: the vertical structure plate is provided with a straight hole, the length direction of the straight hole is parallel to the vertical direction, and the adjusting screw rod penetrates through the straight hole.
4. The roll bending block quick change mechanism of claim 1, wherein: the sliding rail on the operation frame is a groove-shaped sliding rail, a plurality of bolt holes are respectively arranged on the groove walls of the two sides of the groove-shaped sliding rail, and locking holes are correspondingly arranged on the sliding wedges; the quick change mechanism of the rolling mill roll bending block is further provided with a safety pin matched with the bolt hole and the locking hole.
5. The roll bending block quick change mechanism of claim 1, wherein: the device comprises an inlet module group for replacing the inlet side bending roller block and an outlet module group for replacing the outlet side bending roller block, wherein the inlet module group and the outlet module group comprise two groups of operation modules which are arranged at intervals.
6. A roll bending block quick-change device of a rolling mill is characterized in that: comprising an operation side bending roll block replacing mechanism and a transmission side bending roll block replacing mechanism, wherein the operation side bending roll block replacing mechanism and/or the transmission side bending roll block replacing mechanism adopts the rolling mill bending roll block quick replacing mechanism of any one of claims 1 to 5.
7. The roll bending block quick change apparatus of claim 6, wherein: the operation side bending roll block replacing mechanism and the transmission side bending roll block replacing mechanism are both the rolling mill bending roll block quick replacing mechanism, and the two groups of operation frames are connected into a whole through the connecting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321302983.5U CN220259099U (en) | 2023-05-26 | 2023-05-26 | Quick change mechanism and quick change device for rolling mill roll bending block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321302983.5U CN220259099U (en) | 2023-05-26 | 2023-05-26 | Quick change mechanism and quick change device for rolling mill roll bending block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220259099U true CN220259099U (en) | 2023-12-29 |
Family
ID=89306832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321302983.5U Active CN220259099U (en) | 2023-05-26 | 2023-05-26 | Quick change mechanism and quick change device for rolling mill roll bending block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220259099U (en) |
-
2023
- 2023-05-26 CN CN202321302983.5U patent/CN220259099U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101066577B1 (en) | A supporting apparatus of a large impeller for assembling and disassembling | |
| CN108964376B (en) | Auxiliary device for penetrating rotor of generator and operation method thereof | |
| CN220259099U (en) | Quick change mechanism and quick change device for rolling mill roll bending block | |
| WO2021190020A1 (en) | Roller system side pulling type roller press and roller system side pulling mounting and dismounting method | |
| CN220259096U (en) | Rolling mill roll bending block quick-change mechanism and device with high operation reliability | |
| CN116786601A (en) | Quick change mechanism, quick change device and quick change method for roll bending block of rolling mill | |
| CN220259097U (en) | Rolling mill roll bending block quick-changing device capable of utilizing working roll changing track | |
| CN217458481U (en) | Track component hoisting device | |
| CN114715777A (en) | Track component hoisting device and operation method thereof | |
| CN213037351U (en) | Copper processing smelting furnace inductor dismouting device | |
| CN113829290B (en) | Sector block disassembly tool and disassembly inspection method thereof | |
| CN110523779B (en) | Device and method for replacing stand roller of reversible rolling mill | |
| CN221093480U (en) | Mounting and dismounting device for transmission shaft of vertical roller mill | |
| CN218345079U (en) | Device for replacing step pad on rolling mill | |
| CN217665424U (en) | Replacing tool of fixed block type bending and channeling device of hot continuous rolling finishing mill | |
| CN217858023U (en) | Novel band steel rolling line trolley type pressure changing hydraulic cylinder device | |
| US4537056A (en) | Rolling mill | |
| CN220165736U (en) | Replacement device for yaw brake of wind generating set | |
| CN219151164U (en) | Efficient roll changing structure of tab roll pressing equipment | |
| CN219503448U (en) | Cast iron water cutting plate safety replacement device on outlet of finish rolling front-stage frame | |
| CN215369910U (en) | Mine hydraulic support dismouting mechanism | |
| CN110682074B (en) | Frock is unloaded to hot rolling line edger roll AWC pneumatic cylinder | |
| CN216989192U (en) | Installation and positioning device for Danieli vertical rolling mill | |
| CN218988618U (en) | Bridge crane convenient to change electric block | |
| CN117466149A (en) | Mounting and dismounting device for transmission shaft of vertical roller mill and use method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |