CN111151988B - Roller drawing device and method - Google Patents
Roller drawing device and method Download PDFInfo
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- CN111151988B CN111151988B CN201911414723.5A CN201911414723A CN111151988B CN 111151988 B CN111151988 B CN 111151988B CN 201911414723 A CN201911414723 A CN 201911414723A CN 111151988 B CN111151988 B CN 111151988B
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- roller
- roll
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- detachable
- track
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention discloses a roller drawing device and a method, wherein the device comprises: the device comprises a drawing roller trolley, a connecting shaft clamping mechanism, a jacking mechanism, a supporting mechanism and a detachable sectional track; the connecting shaft clamping mechanism is used for connecting a bearing seat of the lower working roll to a side roll bearing seat of the upper working roll; the jacking mechanism is used for jacking the upper working roll and the lower working roll upwards; the detachable subsection track is laid on the lower supporting roller and is used as a moving channel of the roller drawing trolley; the roller drawing trolley is used for running on the detachable subsection track to convey out a working roller or a supporting roller; and the supporting mechanism is used for filling a blank area after the lower supporting roller is drawn out when the lower supporting roller is replaced. The roller drawing device and the method can conveniently finish the dismantling of the roller systems of the upper working roller, the upper supporting roller, the lower working roller and the lower supporting roller, and have wider application range. And the operation steps are simple, time and labor are saved, and the labor intensity is reduced.
Description
Technical Field
The invention relates to the technical field of maintenance of straightening machines, in particular to a roller drawing device and a method.
Background
The straightening machine is equipment for straightening metal sections, bars, pipes, wires and the like. The straightener extrudes the bar material and the like through the straightening roller to change the straightness. Generally, a straightening machine comprises a lower frame, a lower supporting roller, a lower working roller, an upper frame, an upper supporting roller and an upper working roller, wherein the lower supporting roller is arranged on the lower frame, the lower working roller is arranged on the lower frame, the upper supporting roller is arranged below the upper frame, the upper working roller is arranged below the upper supporting roller, and the upper working roller and the lower working roller are relatively used for straightening supplied materials. And the upper supporting roller, the lower supporting roller, the upper working roller and the lower working roller comprise a plurality of rollers which are arranged side by side.
When a work roll or a support roll of a leveler fails, the failed work roll or support roll needs to be removed and replaced. Therefore, it is desirable to provide a roller assembly and method.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a roller drawing device and a method. The specific technical scheme is as follows:
in a first aspect, there is provided a roller arrangement, the arrangement comprising: the device comprises a drawing roller trolley, a connecting shaft clamping mechanism, a jacking mechanism, a supporting mechanism and a detachable sectional track; the connecting shaft clamping mechanism is used for connecting a bearing seat of the lower working roll to a side roll bearing seat of the upper working roll; the jacking mechanism is used for jacking the upper working roll and the lower working roll upwards; the detachable subsection track is laid on the lower supporting roller and is used as a moving channel of the roller drawing trolley; the roller drawing trolley is used for running on the detachable subsection track to convey out a working roller or a supporting roller; and the supporting mechanism is used for filling a blank area after the lower supporting roller is drawn out when the lower supporting roller is replaced.
In a possible design, the roller drawing device further comprises fixed pulleys arranged on two sides of the straightening machine, one end of a steel wire rope is connected with the roller drawing trolley, and the other end of the steel wire rope bypasses the fixed pulleys to be connected with an overhead travelling crane.
In a possible design, the drawing roller device further comprises a drawing roller frame, the drawing roller frame is arranged on one side of the straightening machine, and the fixed pulley is arranged on the drawing roller frame.
In one possible design, the number of draw-off roller carriages is two.
In a second aspect, there is provided a method of drawing a roll using the roll drawing apparatus of any one of the above, the method comprising:
connecting a bearing seat of a lower working roll and a side roll bearing seat of an upper working roll together through a connecting shaft clamping device;
the lower working roll and the upper working roll are integrally lifted by 400-500mm through the jacking mechanism;
laying a detachable sectional track on the lower supporting roller;
placing the roller drawing trolley on a detachable subsection track;
drawing out the working roll to be replaced along the axial direction of the working roll and placing the working roll on a roll drawing trolley;
the roller-drawing trolley runs along the detachable subsection track and transports the working roller to be replaced out.
In one possible design, the work rolls to be replaced are a combination of a lower work roll and an upper work roll which are fixed.
In one possible design, the method further includes: the roller-drawing trolley runs along the detachable subsection track, after the working roller to be replaced is transported out,
disassembling the track section above the lower support roller to be replaced;
after the lower supporting roller to be replaced is lifted, filling the supporting mechanism in a blank area of the lower supporting roller, and laying a disassembled track section;
the lower support roller to be replaced is placed on the detachable sectional track,
the roller-drawing trolley runs along the detachable subsection track, and the lower supporting roller to be replaced is transported out.
In one possible design, the lower support roll to be replaced is lifted by means of a travelling beam
The technical scheme of the invention has the following main advantages:
the roller drawing device and the method can conveniently finish the dismantling of the roller systems of the upper working roller, the upper supporting roller, the lower working roller and the lower supporting roller, and have wider application range. And the operation steps are simple, time and labor are saved, and the labor intensity is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a drawing roller device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme provided by the embodiment of the invention is described in detail below with reference to the accompanying drawings.
A roller assembly, as shown in figure 1, comprising: the device comprises a drawing roller trolley, a connecting shaft clamping mechanism, a jacking mechanism, a supporting mechanism and a detachable sectional track. And the connecting shaft clamping mechanism is used for connecting the bearing seat of the lower working roll with the side roll bearing seat of the upper working roll. And the jacking mechanism is used for jacking the upper working roll and the lower working roll upwards. The detachable subsection track is laid on the lower supporting roller and used as a moving channel of the roller drawing trolley. The roller drawing trolley is used for running on the detachable subsection track to convey out the working rollers or the supporting rollers. And the supporting mechanism is used for filling a blank area after the lower supporting roller is drawn out when the lower supporting roller is replaced.
The working principle of the roller drawing device provided by the embodiment of the invention is explained as follows:
the roller drawing device provided by the embodiment of the invention can finish the dismounting of the working roller and the supporting roller in the straightening machine without the roller box, and specifically, the flow for dismounting the upper working roller, the upper supporting roller and the lower working roller is as follows: connecting a bearing seat of a lower working roll and a side roll bearing seat of an upper working roll together through a connecting shaft clamping device; the lower working roll and the upper working roll are integrally lifted by 400-500mm (for example, 400mm, 450mm, 500mm and the like can be achieved) through the jacking mechanism; laying a detachable sectional track on the lower supporting roller; placing the roller drawing trolley on a detachable subsection track; drawing out the working roll to be replaced along the axial direction of the working roll and placing the working roll on a roll drawing trolley; the roller-drawing trolley runs along the detachable subsection track and transports the working roller to be replaced out. Wherein, the roller to be replaced can be a lower working roller, or the lower working roller, the upper working roller and the upper supporting roller are combined and fixed and then are wholly separated. After the lower supporting roller is dismantled, firstly, the lower working roller above the lower supporting roller to be replaced is dismantled through the process, and then, the track section above the lower supporting roller to be replaced is dismantled; after the lower supporting roller to be replaced is lifted, filling the supporting mechanism in a blank area of the lower supporting roller, and laying a disassembled track section; and the lower supporting roller to be replaced is placed on the detachable subsection track, and the roller drawing trolley runs along the detachable subsection track and transports the lower supporting roller to be replaced.
Therefore, the roller drawing device provided by the embodiment of the invention can conveniently finish the dismantling of the roller systems of the upper working roller, the upper supporting roller, the lower working roller and the lower supporting roller, and has a wider application range. And the operation steps are simple, time and labor are saved, and the labor intensity is reduced.
The detachable subsection track is formed by splicing a plurality of track sections, so that on one hand, the transportation and the storage of equipment are facilitated, the subsection installation and the detachment are facilitated, on the other hand, the track sections are locally detached when the lower supporting rollers are detached, and the lower supporting rollers are taken out and then installed on the supporting mechanism again.
The jacking mechanism can be a hydraulic oil cylinder or a jack and the like, and only the jacking force can be lifted to lift the lower working roll and the upper working roll upwards.
Bolt holes can be reserved on bearing seats of the upper working roll and the lower working roll, and two ends of the connecting shaft clamping mechanism are respectively connected with the bearing seats of the upper working roll and the bearing seats of the lower working roll through bolts to connect the lower working roll and the upper working roll together.
In the embodiment of the invention, as for how the drawing roller trolley moves, the following example is given:
the roller drawing device also comprises fixed pulleys arranged on two sides of the straightening machine, one end of the steel wire rope is connected with the roller drawing trolley, and the other end of the steel wire rope is connected with the crown block by bypassing the fixed pulleys. So set up, the overhead traveling crane passes through wire rope pulling take-out roller dolly and removes, need not to set up extra power source and drives the take-out roller dolly, simplifies equipment structure, and the energy saving.
Optionally, the drawing roller device further comprises a drawing roller frame, the drawing roller frame is arranged on one side of the straightening machine, and the fixed pulley is arranged on the drawing roller frame. Wherein, it can be understood that the height of fixed pulley can be with can dismantle the high parallel and level of segmentation track, be convenient for pull out the roller dolly.
As shown in the attached figure 1, fixed pulleys are respectively arranged on two sides of the straightening machine and are respectively used for pulling the roller withdrawing trolley to move in two directions. The upper surface of the drawing roller frame is flush with the upper surface of the upper supporting roller, and the detachable subsection track is laid on the drawing roller frame and the upper supporting roller simultaneously, so that the drawing roller trolley can still move to completely leave the straightening machine after beginning to leave the straightening machine, and the supporting roller and the working roller are transported out.
In the embodiment of the invention, the number of the roll drawing trolleys is two, and when the upper working roll, the lower working roll and the upper supporting roll are dismantled, the two roll drawing trolleys are preferably selected so as to be convenient for dragging the combination of the upper working roll, the lower working roll and the upper supporting roll. When the lower supporting roller is dismantled, one roller drawing trolley is selected.
In a second aspect, an embodiment of the present invention provides a method for performing roller extraction by using the roller extraction device in any one of the above-mentioned aspects, where the method includes:
connecting a bearing seat of a lower working roll and a side roll bearing seat of an upper working roll together through a connecting shaft clamping device;
the lower working roll and the upper working roll are integrally lifted by 400-500mm through the jacking mechanism, for example, the lifting mechanism can be 400mm, 450mm, 500mm and the like, and the size can be only required to meet the requirements of laying a detachable subsection track and installing a roller drawing trolley;
and laying a detachable sectional track on the lower supporting roller.
And placing the roller drawing trolley on the detachable subsection track.
And drawing out the working roll to be replaced along the axial direction of the working roll, and placing the working roll on a drawing roll trolley.
The roller-drawing trolley runs along the detachable subsection track and transports the working roller to be replaced out.
The working roll to be replaced is a combination body formed by fixing the lower working roll and the upper working roll.
The roller drawing method provided by the embodiment of the invention can be used for drawing the working roller and the upper support out conveniently, has simple steps and strong operability, saves time and labor and reduces the labor consumption.
Further, the roller drawing method provided by the embodiment of the invention further comprises the following steps of dismantling the lower support roller:
the roller-drawing trolley runs along the detachable subsection track, after the working roller to be replaced is transported out,
disassembling the track section above the lower support roller to be replaced;
after the lower supporting roller to be replaced is lifted, filling the supporting mechanism in a blank area of the lower supporting roller, and laying a disassembled track section;
the lower support roller to be replaced is placed on the detachable sectional track,
the roller-drawing trolley runs along the detachable subsection track, and the lower supporting roller to be replaced is transported out.
It will be appreciated that when the lower support roll needs to be removed, the lower work roll located above the lower support roll needs to be removed first, and therefore, the removal of the lower support roll is performed after the lower work roll is removed using the steps described above.
When the lower supporting roller is lifted, the movable beam can be used for lifting the lower supporting roller to be replaced.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A roller assembly, comprising: the device comprises a drawing roller trolley, a connecting shaft clamping mechanism, a jacking mechanism, a supporting mechanism and a detachable sectional track;
the connecting shaft clamping mechanism is used for connecting a bearing seat of the lower working roll to a side roll bearing seat of the upper working roll;
the jacking mechanism is used for jacking the upper working roll and the lower working roll upwards;
the detachable subsection track is laid on the lower supporting roller and is used as a moving channel of the roller drawing trolley;
the roller drawing trolley is used for running on the detachable subsection track to convey out a working roller or a supporting roller;
and the supporting mechanism is used for filling a blank area after the lower supporting roller is drawn out when the lower supporting roller is replaced.
2. The roller device as claimed in claim 1, further comprising fixed pulleys provided on both sides of the leveler, wherein one end of the wire rope is connected to the roller-pulling trolley, and the other end of the wire rope is connected to the crown block by passing around the fixed pulleys.
3. The roller device as claimed in claim 2, further comprising a roller frame, wherein the roller frame is arranged on one side of the straightener, and the fixed pulley is arranged on the roller frame.
4. The apparatus of claim 1, wherein the number of draw carriage is two.
5. A method of drawing rolls using the roll drawing apparatus of any one of claims 1 to 4, the method comprising:
connecting a bearing seat of a lower working roll and a side roll bearing seat of an upper working roll together through a connecting shaft clamping device;
the lower working roll and the upper working roll are integrally lifted by 400-500mm through the jacking mechanism;
laying a detachable sectional track on the lower supporting roller;
placing the roller drawing trolley on a detachable subsection track;
drawing out the working roll to be replaced along the axial direction of the working roll and placing the working roll on a roll drawing trolley;
the roller-drawing trolley runs along the detachable subsection track and transports the working roller to be replaced out.
6. The method of claim 5, wherein the work rolls to be replaced are a combination of a lower work roll and an upper work roll which are fixed.
7. The method of claim 5, further comprising: the roller-drawing trolley runs along the detachable subsection track, after the working roller to be replaced is transported out,
disassembling the track section above the lower support roller to be replaced;
after the lower supporting roller to be replaced is lifted, filling the supporting mechanism in a blank area of the lower supporting roller, and laying a disassembled track section;
the lower support roller to be replaced is placed on the detachable sectional track,
the roller-drawing trolley runs along the detachable subsection track, and the lower supporting roller to be replaced is transported out.
8. A method according to claim 7, characterized in that the lower support roll to be replaced is lifted by means of a travelling beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911414723.5A CN111151988B (en) | 2019-12-31 | 2019-12-31 | Roller drawing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911414723.5A CN111151988B (en) | 2019-12-31 | 2019-12-31 | Roller drawing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111151988A CN111151988A (en) | 2020-05-15 |
| CN111151988B true CN111151988B (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911414723.5A Active CN111151988B (en) | 2019-12-31 | 2019-12-31 | Roller drawing device and method |
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| Country | Link |
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| CN (1) | CN111151988B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA957530A (en) * | 1971-04-15 | 1974-11-12 | Charles S. Shumaker | Roll changing arrangement for a rolling mill |
| SU1450892A1 (en) * | 1987-07-27 | 1989-01-15 | Производственное объединение "Новокраматорский машиностроительный завод" | Arrangement for changing rolls of working stand |
| CN202366954U (en) * | 2011-12-21 | 2012-08-08 | 二重集团（德阳）重型装备股份有限公司 | Roller changing device |
| CN109158427A (en) * | 2018-09-27 | 2019-01-08 | 天津市中重科技工程有限公司 | A kind of ESP endless rolling work roll change |
| CN109848220A (en) * | 2018-12-27 | 2019-06-07 | 二重（德阳）重型装备有限公司 | The roll replacing options of four-high mill |
-
2019
- 2019-12-31 CN CN201911414723.5A patent/CN111151988B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA957530A (en) * | 1971-04-15 | 1974-11-12 | Charles S. Shumaker | Roll changing arrangement for a rolling mill |
| SU1450892A1 (en) * | 1987-07-27 | 1989-01-15 | Производственное объединение "Новокраматорский машиностроительный завод" | Arrangement for changing rolls of working stand |
| CN202366954U (en) * | 2011-12-21 | 2012-08-08 | 二重集团（德阳）重型装备股份有限公司 | Roller changing device |
| CN109158427A (en) * | 2018-09-27 | 2019-01-08 | 天津市中重科技工程有限公司 | A kind of ESP endless rolling work roll change |
| CN109848220A (en) * | 2018-12-27 | 2019-06-07 | 二重（德阳）重型装备有限公司 | The roll replacing options of four-high mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111151988A (en) | 2020-05-15 |
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