CN202366955U - Hydraulic cross travelling device used for replacing roller set of rolling mill - Google Patents
Hydraulic cross travelling device used for replacing roller set of rolling mill Download PDFInfo
- Publication number
- CN202366955U CN202366955U CN2011205545340U CN201120554534U CN202366955U CN 202366955 U CN202366955 U CN 202366955U CN 2011205545340 U CN2011205545340 U CN 2011205545340U CN 201120554534 U CN201120554534 U CN 201120554534U CN 202366955 U CN202366955 U CN 202366955U
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- Prior art keywords
- hydraulic cylinder
- dolly
- slide rail
- along
- rolling mill
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Abstract
The utility model discloses a hydraulic cross travelling device used for replacing a roller set of a rolling mill, which comprises trolley sliding rails, a plurality of cross travelling trolleys and a driving device, wherein the trolley sliding rails are arranged in parallel along a rolling line; the cross travelling trolleys can respectively do a reciprocating motion along the trolley sliding rails and are mutually connected; the driving device is used for pushing the cross travelling trolleys to move; the driving device comprises at least two hydraulic cylinders connected in series along the direction of each trolley sliding rail; a first hydraulic cylinder is fixedly arranged along the direction of each trolley sliding rail; and the last one hydraulic cylinder is connected one of the cross travelling trolleys. The driving device connected in series with the common hydraulic cylinders not only is capable of meeting the requirement of large stroke but also cannot enable the hydraulic cylinder blocks and pistons to be overlong, and thereby, the manufacturing and maintenance cost is reduced, and meanwhile, the driving is also stable and reliable.
Description
Technical field
The utility model relates to steel rolling equipment, particularly a kind of auxiliary equipment that is used for the replacing of rolling mill roll group.
Background technology
In steel rolling mill,, be employed in the other mode that the roll shifting device is set of milling train usually for solving the problem of quick replacing roll stacks.Its operation principle is: Traverse Displacement Unit adopts the double structure, on Traverse Displacement Unit one side station, places new roll stacks during roll change earlier, and old roll stacks falls back on the opposite side station through the roll withdrawing device.Then Traverse Displacement Unit moves, and old roll stacks is left milling train aim at the position, simultaneously new roll stacks is moved on to milling train and aims at the position, to realize fast roll changing.Wherein, the traversing action of Traverse Displacement Unit is generally accomplished through hydraulic cylinder.But in rolling of sectional iron, generally adopting multimachine frame tandem rolling pattern, is three frames even four frame tandem rollings sometimes.The roll stacks that need carry out simultaneously more than three pairs is changed, and the displacement of Traverse Displacement Unit was longer when this just required roll change, traversing distance even possibly reach tens meters.
Existing Traverse Displacement Unit drives hydraulic cylinder and normally adopts the single cylinder structure; Under the conditional situation of hydraulic cylinder cylinder diameter; Adopt the traversing mode of single hydraulic cylinder can not meet the demands, there is following shortcoming in single hydraulic cylinder: the one, and hydraulic cylinder self is oversize, processing difficulties; The 2nd, stroke is oversize, and unstability appears in hydraulic cylinder easily, and the influence operation is accidents caused; The 3rd, the cost of long hydraulic cylinder is high, and maintenance cost is high.
To above-mentioned deficiency, need existing cross sliding driving device is improved, make its needs that both can satisfy big stroke, be unlikely to make hydraulic cylinder body and piston rod long again, make and maintenance cost to reduce, also let driving steadily reliable simultaneously.
The utility model content
In view of this; The utility model provides a kind of hydraulic pressure Traverse Displacement Unit that the rolling mill roll group is changed that is used for; The hydraulic cylinder series connection of this device through will a plurality of common strokes made the maintenance cost height, the technical problem of unstability accident occurred easily to solve existing single hydraulic cylinder.
The hydraulic pressure Traverse Displacement Unit that is used for the replacing of rolling mill roll group of the utility model; Comprise the dolly slide rail that laterally arranges along rolling line, a plurality of can moving back and forth and interconnective traversing dolly and be used to promote the drive unit that traversing dolly moves along the dolly slide rail; Said drive unit comprises at least two hydraulic cylinders along the series connection of dolly slide rail direction; First hydraulic cylinder fixedly installs along dolly slide rail direction, and one in last hydraulic cylinder and a plurality of traversing dollies is connected.
Further, also comprise the hinge mount slide rail that laterally arranges with the dolly slide rail and the hinges frame that can move back and forth along the hinge mount slide rail, the abutting end of adjacent two hydraulic cylinders is articulated in respectively on the same hinge mount;
Further, said first hydraulic cylinder is hinged with the bearing that fixedly installs, and in last hydraulic cylinder and a plurality of traversing dolly is hinged;
Further, be hinged between the said traversing dolly.
The beneficial effect of the utility model: the hydraulic pressure Traverse Displacement Unit that is used for the replacing of rolling mill roll group of the utility model; Comprise the dolly slide rail that laterally arranges along rolling line, a plurality of can moving back and forth and interconnective traversing dolly and be used to promote the drive unit that traversing dolly moves along the dolly slide rail; Said drive unit comprises at least two hydraulic cylinders along the series connection of dolly slide rail direction; First hydraulic cylinder fixedly installs along dolly slide rail direction; One in last hydraulic cylinder and a plurality of traversing dollies is connected, and the drive unit of a plurality of common hydraulic cylinders series connection both can satisfy the needs of big stroke, was unlikely to make hydraulic cylinder body and piston long again; Make and maintenance cost to reduce, also let driving steadily reliable simultaneously.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described;
Structural representation when Fig. 1 is in retracted mode for the hydraulic pressure Traverse Displacement Unit of the utility model;
Structural representation when Fig. 2 is in elongation state for the hydraulic pressure Traverse Displacement Unit of the utility model.
The specific embodiment
Below will combine accompanying drawing that the utility model is elaborated: the hydraulic pressure Traverse Displacement Unit that is used for the replacing of rolling mill roll group of present embodiment; Comprise that the dolly slide rail that laterally arranges along rolling line 1, six can move back and forth and interconnective traversing dolly 2 and be used to promote the drive unit that traversing dolly 2 moves along dolly slide rail 1; In six traversing dollies; First three is used for placing old roll (first three traversing dolly figure does not draw); Three of backs are used to place new roll, and said drive unit comprises two hydraulic cylinders 3 along the series connection of dolly slide rail 1 direction, and first hydraulic cylinder fixedly installs along dolly slide rail direction; Be that hydraulic cylinder does not move on dolly slide rail direction; One in last hydraulic cylinder and a plurality of traversing dollies 2 is connected, and can drive traversing dolly when hydraulic cylinder elongates or shortens and move back and forth, and connects through hydraulic cylinder; Can satisfy big stroke needs, also can effectively avoid the use of single hydraulic cylinder and cause cylinder body or piston rod cross long running unstable with the difficulty and cost increase that cause that the hydraulic cylinder manufacturing is safeguarded.Certainly, adopt the hydraulic cylinder series connection more than three or three, can realize the purpose of the utility model equally.
Further improvement as technique scheme; Also comprise the hinge mount slide rail that laterally arranges with dolly slide rail 14 and the hinges frame 5 that can move back and forth along hinge mount slide rail 4, the abutting end of adjacent two hydraulic cylinders 3 is articulated in respectively on the same hinge mount 5, in the present embodiment; The piston nose jaw of two hydraulic cylinders is hinged with the hinges frame respectively; 5 pairs of hydraulic cylinders of hinge mount are hinged lights the support guide effect, avoids the unstability in the hydraulic cylinder course of action, simultaneously; Also be convenient to increase more hydraulic cylinder, extensibility is good.
Further improvement as technique scheme; Said first hydraulic cylinder is hinged with the bearing 6 that fixedly installs; In last hydraulic cylinder and a plurality of traversing dolly 2 one is hinged; Adopt non-rigid syndeton, can avoid the use of effectively that hydraulic cylinder is damaged in the process, improve the service life of hydraulic cylinder.
As the further improvement of technique scheme, be hinged between the said traversing dolly 2, be convenient to increase and decrease traversing dolly quantity, simultaneously, flexible connecting structure also can avoid attaching parts impaired, prolongs the service life of equipment.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (4)
1. one kind is used for the hydraulic pressure Traverse Displacement Unit that the rolling mill roll group is changed; Comprise the dolly slide rail (1) that laterally arranges along rolling line, a plurality of can moving back and forth and interconnective traversing dolly (2) and be used to promote the drive unit that traversing dolly (2) moves along dolly slide rail (1); It is characterized in that: said drive unit comprises at least two hydraulic cylinders (3) along the series connection of dolly slide rail (1) direction; First hydraulic cylinder fixedly installs along dolly slide rail direction, and one in last hydraulic cylinder and a plurality of traversing dollies (2) is connected.
2. the hydraulic pressure Traverse Displacement Unit that is used for the replacing of rolling mill roll group according to claim 1; It is characterized in that: also comprise the hinge mount slide rail (4) that laterally arranges with dolly slide rail (1) and the hinges frame (5) that can move back and forth along hinge mount slide rail (4), the abutting end of adjacent two hydraulic cylinders (3) is articulated in respectively on the same hinge mount (5).
3. the hydraulic pressure Traverse Displacement Unit that is used for the replacing of rolling mill roll group according to claim 2 is characterized in that: said first hydraulic cylinder is hinged with the bearing (6) that fixedly installs, and in last hydraulic cylinder and a plurality of traversing dolly (2) is hinged.
4. the hydraulic pressure Traverse Displacement Unit that is used for the replacing of rolling mill roll group according to claim 3 is characterized in that: be hinged between the said traversing dolly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205545340U CN202366955U (en) | 2011-12-27 | 2011-12-27 | Hydraulic cross travelling device used for replacing roller set of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205545340U CN202366955U (en) | 2011-12-27 | 2011-12-27 | Hydraulic cross travelling device used for replacing roller set of rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202366955U true CN202366955U (en) | 2012-08-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205545340U Expired - Lifetime CN202366955U (en) | 2011-12-27 | 2011-12-27 | Hydraulic cross travelling device used for replacing roller set of rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202366955U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234134A (en) * | 2017-06-30 | 2017-10-10 | 天津市中重科技工程有限公司 | A kind of new transfer dolly and the roll change structure containing the transfer dolly |
| CN108067921A (en) * | 2016-11-10 | 2018-05-25 | 中国重型机械研究院股份公司 | A kind of charging basket quick replacement device |
| CN112296099A (en) * | 2020-10-12 | 2021-02-02 | 广东恒华重工有限公司 | Detection platform for short stress rolling mill |
| CN117428009A (en) * | 2023-12-20 | 2024-01-23 | 涿州市飞亚机械有限责任公司 | Double-aluminum casting and rolling machine with shared structure arrangement |
-
2011
- 2011-12-27 CN CN2011205545340U patent/CN202366955U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067921A (en) * | 2016-11-10 | 2018-05-25 | 中国重型机械研究院股份公司 | A kind of charging basket quick replacement device |
| CN107234134A (en) * | 2017-06-30 | 2017-10-10 | 天津市中重科技工程有限公司 | A kind of new transfer dolly and the roll change structure containing the transfer dolly |
| CN112296099A (en) * | 2020-10-12 | 2021-02-02 | 广东恒华重工有限公司 | Detection platform for short stress rolling mill |
| CN117428009A (en) * | 2023-12-20 | 2024-01-23 | 涿州市飞亚机械有限责任公司 | Double-aluminum casting and rolling machine with shared structure arrangement |
| CN117428009B (en) * | 2023-12-20 | 2024-03-08 | 涿州市飞亚机械有限责任公司 | Double-aluminum casting and rolling machine with shared structure arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
|
| CX01 | Expiry of patent term |