CN102029291A - Quick replacing device for bending roll block of rolling mill - Google Patents
Quick replacing device for bending roll block of rolling mill Download PDFInfo
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- CN102029291A CN102029291A CN 201010547259 CN201010547259A CN102029291A CN 102029291 A CN102029291 A CN 102029291A CN 201010547259 CN201010547259 CN 201010547259 CN 201010547259 A CN201010547259 A CN 201010547259A CN 102029291 A CN102029291 A CN 102029291A
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- 238000005452 bending Methods 0.000 title claims abstract description 137
- 238000005096 rolling process Methods 0.000 title claims abstract description 100
- 230000008859 change Effects 0.000 claims description 17
- 238000013000 roll bending Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The invention provides a quick replacing device for a bending block of a rolling mill, which at least comprises: a roller bending block replacing trolley; the lifting platform is arranged at the upper part of the bending roll block replacing trolley and can move up and down relative to the bending roll block replacing trolley; and the jack is arranged between the roller block replacing trolley and the lifting platform and is used for controlling the lifting or descending of the lifting platform. The quick replacement device for the bending block of the rolling mill has a simple structure, is convenient to operate, can realize quick disassembly or assembly of the bending block of the rolling mill, greatly improves the operation efficiency, greatly reduces the labor intensity and shortens the maintenance time of equipment.
Description
Technical Field
The invention relates to a device for replacing a bending block of a rolling mill, in particular to a device for rapidly replacing the bending block of the rolling mill, which can rapidly replace the bending block of the rolling mill and improve the production efficiency.
Background
At present, in a strip mill, in order to improve rolling quality, roll bending devices are generally arranged at two ends of a working roll of the mill. For example, chinese patent No. 200820114799.9 discloses a positive/negative roll bending device for a rolling mill work roll, which is provided with four upper bending blocks and four lower bending blocks matching with the upper bending blocks at the bearing seats at the two ends of the upper and lower work rolls. The plate shape is adjusted through the roller bending device, the positive bending or negative bending function of the working roller is guaranteed, the plate shape is controlled in the rolling process, and the plate shape quality is improved.
During the use of the rolling mill, due to the abrasion of the bending block and the replacement of the vulnerable components in the bending block, the bending block needs to be detached from the rolling mill during maintenance, and the bending block needs to be installed back into the rolling mill again after the maintenance. Because the bending roll block is heavy, the operation space in the rolling mill is narrow and small, and the environment is severe, the maintenance, the disassembly and the assembly of the bending roll block are very difficult, and the labor intensity of workers is very high.
In view of the above-mentioned shortcomings of the known technology, the inventor of the present invention developed a quick change device for bending blocks of a rolling mill according to the present invention based on the production design experience of the present invention and related fields.
Disclosure of Invention
The invention aims to provide a replacing device for a bending block of a rolling mill, in particular to a quick replacing device for the bending block of the rolling mill, which can reduce the labor intensity of workers and improve the production efficiency.
To this end, the invention proposes a device for rapidly replacing a bending block of a rolling mill, comprising at least: a roller bending block replacing trolley; the lifting platform is arranged at the upper part of the bending roll block replacing trolley and can move up and down relative to the bending roll block replacing trolley; and the jack is arranged between the roller block replacing trolley and the lifting platform and is used for controlling the lifting or descending of the lifting platform.
In the device for quickly replacing the bending block of the rolling mill, four guide posts are arranged at the lower part of the lifting platform, four guide sleeves are arranged on the bending block replacing trolley, and each guide post is correspondingly inserted into the guide sleeve and can move up and down in the guide sleeve.
In the device for quickly replacing the bending block of the rolling mill, the bending block replacing trolley is provided with two oppositely arranged guide columns, and corresponding surfaces of the two guide columns are respectively provided with a guide rail; the lower part of the lifting platform is provided with a sliding block, the two corresponding side surfaces of the sliding block are respectively provided with a guide block matched with a guide rail arranged on the guide column, and the ejector rod of the jack is abutted against the guide block.
The quick replacing device for the bending roll block of the rolling mill further comprises a retainer, the outer portion of the retainer is fixedly connected with the guide sleeve, a through hole is formed in the retainer, and the jack is sleeved in the through hole.
In the device for quickly replacing the bending block of the rolling mill, the bottom of the sliding block is provided with the through groove, the periphery of the retainer is fixed with the inner side wall of the through groove, a through hole is formed in the retainer, and the jack is sleeved in the through hole.
The quick replacing device for the bending roll block of the rolling mill further comprises a cushion block, wherein the cushion block is arranged on the bending roll block replacing trolley and is positioned at the lower part of the jack.
In the device for quickly replacing the bending block of the rolling mill, the bottom of the bending block replacing trolley is provided with wheels, so that the bending block replacing trolley can be pushed into or pulled out of the rolling mill.
The device for quickly replacing the bending block of the rolling mill is characterized in that a bearing part is arranged at the top of the guide sleeve or the guide column, and the lifting platform can be placed on the bearing part.
The quick replacing device for the bending block of the rolling mill has the characteristics and advantages that:
1. according to the quick replacement device for the bending roll block of the rolling mill, the lifting platform capable of moving up and down is arranged on the bending roll block replacement trolley, and the lifting platform is driven by the jack to adjust the height, so that the lifting platform can be conveniently and quickly lifted to the bottom of the bending roll block, the bending roll block is conveniently dismounted and mounted during installation and maintenance of the rolling mill, the labor intensity of workers is greatly reduced, and the operation efficiency is improved.
2. According to the invention, the retainer is fixed on the guide sleeve or the through groove of the sliding block, and the jack sleeve is arranged in the through hole arranged in the center of the retainer, so that the jack is always in an upright state, and even if the lifting platform bears the bending roller block, the retainer can prevent the jack from toppling under the condition of unbalanced stress or the condition that the whole quick replacement device of the bending roller block of the rolling mill vibrates or shakes under the action of external force, the normal operation of equipment is ensured, and the safety performance of the equipment is improved.
3. According to the device for quickly replacing the bending roll block of the rolling mill, the cushion block can be arranged on the bending roll block replacing trolley, and the jack is lifted through the cushion block, so that the effective stroke of the lifting platform can be effectively increased, and the lifting height of the lifting platform is increased. By changing the thickness of the cushion block, the lifting height of the lifting platform can be properly increased without replacing the lifting platform with a jack with a larger stroke specification. In addition, the cushion block is arranged between the jack and the trolley, so that the jack can be conveniently detached and installed, the utilization efficiency of the lifting device is improved, and the use cost is reduced.
In a word, the quick replacement device for the bending block of the rolling mill has the advantages of simple structure and convenient operation, can realize quick disassembly or assembly of the bending block of the rolling mill, greatly improves the operation efficiency, greatly reduces the labor intensity and shortens the maintenance time of equipment.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein,
FIG. 1 is a schematic structural view of a quick change device for a bending block of a rolling mill according to the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural view of the lifting platform of the device for rapidly replacing the bending blocks of the rolling mill of the present invention during lifting;
FIG. 4 is a schematic diagram of the operation of the quick change device for the bending blocks of the rolling mill of the present invention, showing the operation of the present invention in disassembling the bending blocks of the rolling mill;
FIG. 5 is a schematic structural view of another embodiment of a quick change device for a bending block of a rolling mill of the present invention;
FIG. 6 is a schematic view of the lifting platform of another embodiment of the device for rapidly changing the bending blocks of a rolling mill of the present invention;
fig. 7 is a schematic sectional view taken along line B-B in fig. 6.
Description of the reference numerals
1 roller block replacing trolley 11 guide sleeve 111 bearing part
12 wheel 13 guide post 14 guide rail
15 reinforcing rib plate 2 lifting platform 21 guide pillar
3 jack 4, 8 retainer 41, 81 through hole
5 cushion block 6 rolling mill 61 rolling mill bending roll block
62 accommodation space 63 frame 7 slide block
70 guide block 71 through groove
Detailed Description
The invention provides a device for quickly replacing a bending block of a rolling mill, which at least comprises a bending block replacing trolley, a lifting platform and a jack, wherein the lifting platform is arranged at the upper part of the bending block replacing trolley and can move up and down relative to the bending block replacing trolley; the jack is arranged between the roller block replacing trolley and the lifting platform and controls the lifting or descending of the lifting platform. The quick replacement device for the bending block of the rolling mill is easy to replace the bending block of the rolling mill quickly, can reduce the labor intensity of workers and improves the production efficiency.
In order to make the technical features, objects and effects of the present invention more clearly understood, the following description of the embodiments, structures, features and functions of the fast replacing device for bending blocks of rolling mill according to the present invention with reference to the accompanying drawings and preferred embodiments is provided in detail. Furthermore, while the present invention has been described in connection with the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, alternative constructions, and arrangements included within the scope of the appended claims.
FIG. 1 is a schematic structural view of a device for rapidly replacing a bending block of a rolling mill according to the present invention; FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1; fig. 3 is a schematic structural view of the lifting platform in the device for rapidly replacing the bending blocks of the rolling mill of the invention during lifting.
As shown in the figure, the device for rapidly replacing the bending block of the rolling mill comprises: the bending roll block replacing trolley comprises a bending roll block replacing trolley 1, a lifting platform 2 arranged on the upper portion of the bending roll block replacing trolley 1, and a jack 3 arranged between the bending roll block replacing trolley 1 and the lifting platform 2, wherein the lifting platform 2 can move up and down relative to the bending roll block replacing trolley 1, and the lifting platform 3 can control the lifting or descending of the lifting platform 2.
In one embodiment of the invention, the lifting platform 2 and the bending block replacing trolley 1 are connected through sliding sleeve connection. Referring to fig. 1 and 2, four guide posts 21 are arranged at the lower part of the lifting platform 2, four guide sleeves 11 are arranged on the bending block replacing trolley 1, and each guide post 21 is correspondingly inserted into the guide sleeve 11 and can move up and down in the guide sleeve 11. Because the bending roll block replacing trolley 1 and the lifting platform 2 can be separated, when the device is not used, the lifting platform 2 can be taken out from the guide sleeve 11 of the bending roll block replacing trolley 1, so that the volume of the device is reduced, the storage space is saved, and the device is convenient to transport. It should be noted that the number of the guide sleeves 11 is not limited to four, and may be, for example, one, three … …, etc., that is, the number of the guide sleeves capable of stably bearing the weight of the bending roller block of the rolling mill during the up-and-down movement of the lifting platform 2, all belong to the protection scope of the present invention.
The device for rapidly replacing the bending block of the rolling mill can also be provided with a retainer 4, the outer part of the retainer 4 is fixedly connected with the guide sleeve 11, and for example, the retainer 4 and the guide sleeve can be fixedly connected by adopting known modes such as welding, riveting and the like. The middle part of the retainer 4 is provided with a through hole 41, and the jack 3 is sleeved in the through hole 41. Through setting up keep ware 4, can keep jack 3 in the state of standing vertically, prevent that it from taking place to empty, guaranteed equipment normal operating to and improved the security performance of equipment.
Alternatively, the device for quickly replacing the bending roll block of the rolling mill can also be provided with a cushion block 5, and the cushion block 5 is arranged at the top of the bending roll block replacing trolley 1 and is positioned at the lower part of the jack 3. By arranging the cushion block 5 at the lower part of the jack 3, on one hand, the height of the jack 3 is increased, and when the jack with a smaller lifting stroke is adopted, the lifting platform 2 can be lifted to a required height, the stroke of the jack is effectively reduced, and the working stability of the lifting platform is improved, in other words, by arranging the cushion block 5, the effective stroke of the lifting platform 2 can be effectively increased, and the lifting platform can be lifted to a higher height without replacing the jack 3 with a jack with a larger stroke specification, so that the utilization efficiency of the lifting platform is improved, and the use cost is reduced; on the other hand, the cushion block 5 is arranged, so that the jack can be conveniently detached and installed; on the other hand, the lifting height of the device for rapidly replacing the bending block of the rolling mill can be conveniently adjusted by replacing the cushion block 5.
Further, a support part 111 is correspondingly disposed on the top of the guide sleeve 11, the support part 111 is a plate-shaped component with a through hole in the middle, and is fixedly connected to the guide sleeve 11 by known methods such as welding and screwing, and the guide posts 21 pass through the through holes of the support part 111 and are inserted into the corresponding guide sleeves 11. The support portion 111 may be made of a material having a certain elasticity, such as rubber. By arranging the bearing part 111, on one hand, the lifting platform 2 can be directly placed on the bearing part 111 when in a low position, so that the contact area between the guide sleeve 11 and the lifting platform 2 can be increased; on the other hand, when the supporting portion 111 is made of elastic material, the supporting portion 111 can also play a role of buffering in the descending process of the lifting platform 2, so that the stability of the lifting platform 2 in descending is improved, and the damage to the guide sleeve 11 is reduced.
In addition, the bottom of the bending block replacing trolley 1 is also provided with wheels 12, so that the bending block replacing trolley 1 can be quickly pushed into or pulled out of the rolling mill.
Referring to fig. 1 and 3, the working principle of the present invention is: the lifting platform 2 is arranged on the roller block replacing trolley 1, and a guide pillar 21 at the lower part of the lifting platform is correspondingly inserted into the guide sleeve 11; the jack 3 is placed at the top of the roller bending block replacing trolley 1, the ejector rod of the jack can be abutted against the lower plane of the lifting platform 2, and the lifting platform 2 can move up and down in the guide sleeve 11 of the roller bending block replacing trolley 1 through the guide pillar 21 by controlling the ascending or descending of the ejector rod. In order to prevent the jack 3 from tilting due to vibration or shaking and the like, so that the jack is stably in an upright state and the reliability in working is improved, the invention is also provided with the retainer 4, the retainer 4 is fixedly connected with the guide sleeve 11, the jack 3 is sleeved in the through hole 41 of the retainer 4, and the mandril of the retainer can be abutted against the lower plane of the lifting platform 2. In addition, the top of the bending roller block replacing trolley 1 can be further provided with a cushion block 5, a jack 3 is placed on the cushion block 5, and by means of the cushion block 5, the lifting platform can be lifted to a higher height under the condition that the jack 3 does not need to be replaced by a jack with a larger stroke specification, so that the effective stroke of the lifting platform 2 is increased. In addition, after the installation or the change of the bending roller block of the rolling mill is completed, the cushion block 5 is taken out from the bottom of the jack at first, the jack 3 can be conveniently dropped and placed on the bending roller block changing trolley, so that the jack 3 can be conveniently moved out of the bending roller block changing trolley 1, the jack 3 can also be used for other work, and the utilization efficiency of the equipment is greatly improved.
Fig. 4 is a schematic diagram of the operation process of the quick change device for the bending blocks of the rolling mill of the invention, which shows the action process of the invention when the bending blocks of the rolling mill are disassembled.
Referring to fig. 4, when the bending block 61 of the rolling mill 6 needs to be repaired and disassembled, the height of the jack 3 of the quick replacement device for the bending block of the rolling mill of the present invention is adjusted to make the lifting platform 2 at a low position corresponding to the height of the accommodating space 62 of the rolling mill 6 so as to prevent the lifting platform 2 from interfering with other components in the rolling mill 6, and then the bending block replacing carriage 1 is pushed into the rolling mill 6 from the outside of the frame 63 of the rolling mill 6, and the lifting platform 2 is correspondingly positioned in the accommodating space 62 and is placed right below the bending block 61 of the rolling mill to be replaced. Raising the jack 3, raising the lifting platform 2 to support the rolling mill bending block 61, then detaching the rolling mill bending block 61 from the frame 63, placing the rolling mill bending block on the lifting platform 2, and moving the rolling mill bending block 61 to the middle position of the lifting platform 2, wherein the purpose is as follows: on the one hand, can let each guide pillar atress of lift platform 2 even, guarantee the firm placing on lift platform 2 of rolling mill bending roller piece 61, prevent lift platform 2 and topple over to one side because of the atress inequality, improve stability and reliability, guarantee the safe work of equipment, on the other hand, because the operating space of rolling mill 6 is narrow and small, the structure is complicated, various parts have still been installed on it, arrange rolling mill bending roller piece 61 in the intermediate position, when bending roller piece change dolly 1 pulls out the rolling mill, can also avoid rolling mill bending roller piece 61 to collide with other parts of rolling mill 6, prevent to cause the damage to rolling mill 6. After the bending block 61 of the rolling mill is placed at the middle position of the lifting platform 2, the height of the jack 3 is reduced, so that the lifting platform 2 returns to the initial low position state pushed into the rolling mill 6, namely, the position with the height corresponding to the accommodating space 62 of the rolling mill 6, and then the bending block replacing trolley 1 provided with the bending block 61 of the rolling mill is pulled out from the rolling mill 6 stably, thereby completing the disassembly process of the bending block 61 of the rolling mill.
When the rolling mill bending block is assembled, the working process of the quick change device for the rolling mill bending block is opposite to the disassembly process, and the working principle and the beneficial effect are the same, so the details are not repeated.
In the device for rapidly replacing the bending block of the rolling mill provided by the invention, the above description is only the preferred embodiment of the invention, and does not limit the scope and specific structure of the invention, for example, in other possible embodiments, the jack 3 can be accommodated in the guide sleeve 11, and the retainer 4 is eliminated, so that the jack 3 can be ensured to be in a completely upright state, and a better fixing effect than the retainer 4 is achieved. In addition, when the lifting platform 2 does not work, the jack 3 can also bear the weight of the lifting platform 2, so that the pressure of the lifting platform 2 on the guide sleeve 11 can be reduced, and the service life of the lifting platform is prolonged.
FIG. 5 is a schematic structural view of another embodiment of a quick change device for a bending block of a rolling mill of the present invention; FIG. 6 is a schematic view of the lifting platform of another embodiment of the device for rapidly changing the bending blocks of a rolling mill of the present invention; fig. 7 is a schematic sectional view taken along line B-B in fig. 6. In the present embodiment, the structure other than the elevating structure is the same as that of embodiment 1, and the same reference numerals are used for the same structure.
As shown in the figure, the bending block replacing trolley 1 is provided with two oppositely arranged guide columns 13, guide rails 14 are respectively arranged on corresponding surfaces of the two guide columns 13, and the top of each guide column 13 is provided with a bearing part 111. The lower part of the lifting platform 2 is provided with a sliding block 7, two corresponding side surfaces of the sliding block 7 are respectively provided with a guide block 70 matched with the guide rail 14 arranged on the guide column 13, the top rod of the jack 3 is propped against the guide block 70, and the lifting platform 2 can be driven to ascend or descend by the lifting of the jack 3. The elevating platform 2 can perform an elevating motion smoothly by means of the cooperation of the guide blocks 70 and the guide rails 14. It should be noted that the arrangement positions of the guide rail 14 and the guide block 70 are not limited to this, and the shapes thereof are not limited to the shapes of the groove and the projection shown in the drawings of the present embodiment, and the arrangement positions of the guide rail 14 and the guide block 70 may be interchanged and arranged on the sliding block 7 and the guide post 13, respectively. It is within the scope of the present invention to provide a configuration in which the guide rail 14 and the guide block 70 are configured to cooperate with each other and the lifting platform 2 can be lifted stably.
Referring to fig. 5-7, the bottom of the sliding block 7 is further provided with a through groove 71, the outer periphery of a retainer 8 is fixed to the inner wall of the through groove 71, a through hole 81 is provided in the retainer 8, and the jack 3 is sleeved in the through hole 81 and abuts against the top of the through groove 71. When the bending block replacing trolley 1 is pushed into or pulled out of a rolling mill, the rolling mill bending block 61 can be prevented from colliding with other parts of the rolling mill 6, and the rolling mill 6 is prevented from being damaged, so that the bending block replacing trolley can be better suitable for various working conditions.
The sliding block 7 can be integrated with the lifting platform 2 into a whole through known methods such as welding, screwing and the like; two deep floor 15 have been evenly distributed respectively to the outside limit of two guide posts 13, this deep floor 15 is connected with bending roll piece change dolly 1 simultaneously, deep floor 15 enables guide post 13 and bending roll piece change dolly 1 between be connected inseparabler, the steadiness of guide post 13 has been improved, wherein, foretell deep floor 15 does not use two as the limit, according to the weight that guide post 13 needs to bear, can suitably increase, for example can be three, four … … etc. and guide post 13 and bending roll piece change dolly 1, between deep floor 15, can adopt the welding mode rigid coupling. Other structures, operation principles and advantageous effects of the present embodiment are the same as those of embodiment 1, and are not described herein again.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention. It should be noted that the components of the present invention are not limited to the above-mentioned overall application, but can be combined with other prior art according to actual needs, and therefore, the present invention naturally covers other combinations and specific applications related to the invention.
Claims (8)
1. The utility model provides a rolling mill bending roll piece quick replacement device which characterized in that, rolling mill bending roll piece quick replacement device includes at least:
a roller bending block replacing trolley;
the lifting platform is arranged at the upper part of the bending roll block replacing trolley and can move up and down relative to the bending roll block replacing trolley;
and the jack is arranged between the roller block replacing trolley and the lifting platform and is used for controlling the lifting or descending of the lifting platform.
2. The apparatus for rapidly replacing a roll bending block of a rolling mill as claimed in claim 1, wherein the lower portion of the lifting platform is provided with four guide posts, the roll bending block replacing carriage is provided with four guide sleeves, and each guide post is correspondingly inserted into the guide sleeve and can move up and down in the guide sleeve.
3. The rolling mill bending block quick replacement device as claimed in claim 1, wherein the bending block replacement trolley is provided with two oppositely arranged guide posts, and corresponding surfaces of the two guide posts are respectively provided with a guide rail; the lower part of the lifting platform is provided with a sliding block, the two corresponding side surfaces of the sliding block are respectively provided with a guide block matched with a guide rail arranged on the guide column, and the ejector rod of the jack is abutted against the guide block.
4. The rapid change device for the bending block of the rolling mill as claimed in claim 2, further comprising a retainer, wherein the outer portion of the retainer is fixedly connected with the guide sleeve, a through hole is formed in the retainer, and the jack is sleeved in the through hole.
5. The device for rapidly replacing the bending block of the rolling mill as claimed in claim 3, wherein the bottom of the sliding block is provided with a through groove, the periphery of a retainer is fixed with the inner side wall of the through groove, a through hole is arranged in the retainer, and the jack is sleeved in the through hole.
6. The rolling mill bending block quick change device of any one of claims 1 to 5, further comprising a spacer block disposed on the bending block change carriage and located below the jack.
7. The rolling mill bending block quick change device of claim 6, wherein the bottom of the bending block changing carriage is provided with wheels to enable the bending block changing carriage to be pushed into or pulled out of the rolling mill.
8. The rolling mill bending block quick change device of claim 6, wherein the top of the guide sleeve or guide post is provided with a bearing portion on which the lifting platform can be placed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010547259XA CN102029291B (en) | 2010-11-16 | 2010-11-16 | Quick replacing device for bending roll block of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010547259XA CN102029291B (en) | 2010-11-16 | 2010-11-16 | Quick replacing device for bending roll block of rolling mill |
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| Publication Number | Publication Date |
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| CN102029291A true CN102029291A (en) | 2011-04-27 |
| CN102029291B CN102029291B (en) | 2012-07-04 |
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| CN201010547259XA Active CN102029291B (en) | 2010-11-16 | 2010-11-16 | Quick replacing device for bending roll block of rolling mill |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103191995A (en) * | 2012-01-06 | 2013-07-10 | 中联重科股份有限公司 | Plate splicing device and plate splicing method |
| CN103192207A (en) * | 2012-01-06 | 2013-07-10 | 中联重科股份有限公司 | Arc sheet material positioner and sheet material splicing apparatus |
| CN104907813A (en) * | 2015-06-25 | 2015-09-16 | 海安远东新材料有限公司 | Semi-automatic roller change vehicle |
| CN106140824A (en) * | 2016-08-23 | 2016-11-23 | 邯钢集团邯宝钢铁有限公司 | A kind of cold rolling tension roll changing rig |
| CN106734222A (en) * | 2016-11-28 | 2017-05-31 | 莱芜钢铁集团有限公司 | Under rolling mill in roll-in reductor more changing device and replacing options |
| CN106914493A (en) * | 2017-04-05 | 2017-07-04 | 邯钢集团邯宝钢铁有限公司 | A kind of Bowed roll block fast replacing device for rolling mill |
| CN110253493A (en) * | 2019-07-12 | 2019-09-20 | 山东钢铁股份有限公司 | Fashioned iron roughing mill equalizer bar more changing device and fashioned iron roughing mill equalizer bar replacing options |
| CN110525578A (en) * | 2019-09-04 | 2019-12-03 | 江南造船(集团)有限责任公司 | A kind of gondola mounting device and installation method |
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