CN212310426U - Push away base rollgang and hot rolling slab cover that keeps warm - Google Patents
Push away base rollgang and hot rolling slab cover that keeps warm Download PDFInfo
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- CN212310426U CN212310426U CN202020218896.1U CN202020218896U CN212310426U CN 212310426 U CN212310426 U CN 212310426U CN 202020218896 U CN202020218896 U CN 202020218896U CN 212310426 U CN212310426 U CN 212310426U
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Abstract
The utility model discloses a blank pushing and conveying roller way and a hot rolled plate blank heat preservation cover, wherein the blank pushing and conveying roller way comprises a conveying roller way, a pushing device and a heat preservation cover, the heat preservation cover is arranged on the conveying roller way, the heat preservation cover comprises a top plate, a side plate and a turnover door, and the side plate and the turnover door are respectively arranged on two sides of the top plate in the width direction of the plate blank to form a door-shaped cover body; the turnover door is rotatably connected with the top plate. The utility model discloses an existing ejecting device of ingenious utilization is opened for heat preservation cover roll-over door and is provided power for the heat preservation cover has removed actions such as lifting, decline from, and the slab releases the heat preservation cover scope after the roll-over door leans on the dead weight to fall down automatically, simple structure, practicality, efficient, solves at the heat preservation cover structure complicacy of the release machine region, with high costs, installation and maintenance trouble, the many problems of power consumption. Is particularly suitable for the slab heat preservation in the area of a rough rolling slab pusher. The hot-rolled slab heat-insulating cover has the advantages of simple structure, strong practicability, safety and reliability, and is easy to popularize in other similar positions.
Description
Technical Field
The application belongs to the technical field of hot rolling, concretely relates to hot rolling slab keeps warm and covers from pushing away base rollgang and hot rolling slab that shifts out from the rollgang suitable for hot rolling slab.
Background
Because the rough rolling area of the hot continuous rolling production line is long, the length is generally more than 100 meters, and the plate blank is generally heated to about 1200 ℃ and then conveyed to the rough rolling area through a conveying roller way for rolling. The slab can give off a large amount of heat in rolling and transportation process, cause slab temperature reduction and surface temperature inhomogeneous, this is very unfavorable to product quality and precision control, so increase the heat preservation cover for slab top and both sides in the transportation, reduce the slab heat dissipation, it is very necessary, also very effective from the reality aspect, can reduce the temperature drop of slab 70 ℃ -120 ℃.
The heat preservation cover is an important device of a hot rolling production line, and temperature loss in the slab rolling and transporting processes is reduced. Because production characteristics, the rough rolling region design has the ejecting device that shifts out the slab roll table, and the heat preservation cover at this position generally adopts hydraulic pressure or power equipment to lift, and this method has many-sided shortcoming:
when the slab is pushed out, the heat preservation device must be lifted first, and the action of the hydraulic or electric lifting device has specific steps, so that certain time is needed, and the production time is wasted;
the hydraulic or electric lifting equipment is complex, and relates to a plurality of equipment such as a hydraulic valve table, a hydraulic cylinder, a motor, a link mechanism and the like, so that the equipment investment cost is high, the installation and debugging time is long, the maintenance amount is large, the manpower is occupied, a certain amount of spare parts are required to be consumed in the maintenance process, electric energy and hydraulic oil are also consumed in the use process, the energy waste exists, and the cost is high; the defects cause that the traditional heat-insulating cover occupies more production time, has low efficiency, high cost and more manpower investment when in use.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a simple, high-efficient, energy-conserving blank rollgang and hot rolling slab heat preservation cover push away solves at the regional heat preservation cover structure of release complicated, with high costs, installation and the trouble of maintenance, the many problems of power consumption.
The technical scheme adopted for realizing the purpose of the utility model is that the blank pushing and conveying roller way comprises a conveying roller way, a pushing device and a heat preservation cover, wherein the pushing device is arranged beside the conveying roller way and is provided with a telescopic pushing part which can be extended to be in contact with a plate blank conveyed on the conveying roller way;
the heat-insulating cover is arranged on the conveying roller way and comprises a top plate, side plates and a turnover door, and the side plates and the turnover door are respectively arranged on two sides of the top plate in the width direction of the plate blank to form a door-shaped cover body;
one end of the side plate is fixedly connected with the guard plate on one side, close to the pushing device, of the conveying roller way, the other end of the side plate is fixedly connected with the first side edge of the top plate, and the turnover door is rotatably installed on the second side edge, opposite to the first side edge, of the top plate.
Optionally, a rib plate is arranged on the second side edge of the top plate, a pin hole is formed in the rib plate, and the turnover door is rotatably mounted on the top plate through a pin shaft mounted in the pin hole.
Optionally, more than 1 rib plate is arranged on the side plate, the rib plate is fixedly connected with the side plate, and the side plate is connected with the guard plate through the rib plate.
Optionally, the top plate is provided with more than 1 reinforcing rib, the reinforcing rib extends along the width direction of the slab, and the reinforcing rib is along with the top plate fixed connection.
Optionally, the top plate is provided with more than 1 lifting ring.
Based on the same inventive concept, the utility model also provides a hot rolling slab heat preservation cover, including roof, curb plate and turnover door, the curb plate with the first side fixed connection of roof, the turnover door rotationally install in the roof with the second side opposite side of first side, curb plate and the turnover door install respectively in the roof on the slab width direction both sides, constitute the door type cover body.
Optionally, a rib plate is arranged on the second side edge of the top plate, a pin hole is formed in the rib plate, and the turnover door is rotatably mounted on the top plate through a pin shaft mounted in the pin hole.
Optionally, more than 1 rib plate is arranged on the side plate, the rib plate is fixedly connected with the side plate, and the side plate is connected with the guard plate through the rib plate.
Optionally, the top plate is provided with more than 1 reinforcing rib, the reinforcing rib extends along the width direction of the slab, and the reinforcing rib is along with the top plate fixed connection.
Optionally, the top plate is provided with more than 1 lifting ring.
According to the above technical scheme, the utility model provides a push away base rollgang uses the neotype cover that keeps warm that has the turnover door, and this cover support mounting that keeps warm is on the rollgang, keeps warm and covers including roof, curb plate and turnover door, and the curb plate is installed respectively in the both sides of roof, is constituted the door type cover body with the turnover door, and the door type cover body surrounds to the top and the both sides of slab, reduces the slab and scatters and disappears in the heat that transports the in-process. The side plate is fixedly connected with the guard plate on one side of the conveying roller way and is close to the pushing device, and the side plate is a supporting piece and supports the whole heat-insulating cover. The turnover door is rotatably mounted on the top plate and is far away from the pushing device, namely, the turnover door is arranged in the extending direction of the pushing part of the pushing device. During normal production, the slab normally passes through in following the heat preservation cover, when needing to shift out the rollgang with the slab, the stretching out of ejecting portion of ejecting device promotes the slab and moves to the side of turnover door place, and the slab contacts turnover door and with its jack-up, and after the slab left the heat preservation cover scope, the turnover door was by the dead weight automatic fall, is closed. Through the setting of turnover door for the slab need not use hydraulic pressure or electric power lifting at the regional heat preservation cover of pusher, can save the required personnel of purchase, installation, maintenance of a large amount of hydraulic pressure or power equipment, time and expense, makes the operating efficiency who shifts out the slab higher, more convenient.
Compared with the prior art, the utility model provides a push away base rollgang and hot rolling slab heat preservation cover opens for heat preservation cover roll-over gate through the existing ejecting device of ingenious utilization and provides power for heat preservation cover removes actions such as lifting, decline from, and the roll-over gate leans on the dead weight to fall down automatically after the heat preservation cover scope is released to the slab, and simple structure, practicality, efficient solve at the regional heat preservation cover structure complicacy of ejecting machine, with high costs, installation and maintenance trouble, the many problems of power consumption. Is particularly suitable for the slab heat preservation in the area of a rough rolling slab pusher. The hot-rolled slab heat-insulating cover has the advantages of simple structure, strong practicability, safety and reliability, and is easy to popularize in other similar positions.
Drawings
FIG. 1 is a front view of a hot rolled slab heat retaining cover according to embodiment 1 of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a top view of a blank-pushing rollgang in embodiment 2 of the present invention;
FIG. 4 is a side view of FIG. 3;
fig. 5 is a drawing showing the operation of slab pushing.
Description of reference numerals: 10-a heat preservation cover, 11-a top plate, 12-a side plate, 13-a turnover door, 14-a rib plate, 15-a hanging ring, 16-a rib plate and 17-a reinforcing rib; 20-conveying roller table, 21-guard plate; 30-a pushing-out device, 31-a pushing-out part; 40-slab.
Detailed Description
In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.
Example 1:
in the embodiment of the present invention, a hot rolled slab heat preservation cover 10, the structure of which is shown in fig. 1 and fig. 2, includes a top plate 11, a side plate 12 and a turnover door 13, wherein the side plate 12 and the turnover door 13 are respectively installed on both sides of the top plate 11 in the width direction of a slab 40, and constitute a door-shaped cover body, as shown in fig. 1. The door-shaped cover body surrounds the upper part and two sides of the slab 40, and reduces heat loss of the slab 40 in the conveying process. The structure of the hot rolled slab heat retaining cover 10 will be described in detail below:
the top plate 11 can be a whole steel plate or a plurality of steel plates which are welded and assembled. The top plate 11 is the largest-area member of the entire heat-retaining cover 10, and is easily deformed. As a preferred embodiment, referring to fig. 2, 1 or more reinforcing ribs 17 are provided on the top plate 11, the reinforcing ribs 17 extending in the width direction of the slab 40 (the slab pushing direction, the direction indicated by the arrow b in fig. 2), and the reinforcing ribs are fixedly connected to the top plate 11.
In this embodiment, the top plate 11 is provided with 4 reinforcing ribs 17, the 4 reinforcing ribs 17 are uniformly distributed at intervals along the slab conveying direction (the direction indicated by arrow a in fig. 2), and the reinforcing ribs 17 are welded to the top plate 11, so that the top plate 11 is prevented from being deformed due to a large area, and the turnover door 13 cannot be smoothly opened and closed.
In order to facilitate the installation and the disassembly of the whole heat preservation cover 10, more than 1 hanging ring 15 is arranged on the top plate 11. The entire heat-insulating cover 10 can be lifted by a crane hook. In this embodiment, set up 4 rings 15 on roof 11, 4 rings 15 distribute in the four corners of roof 11. In a preferred embodiment, the lifting ring 15 is installed obliquely, for example, the plane of the lifting ring 15 is 45 degrees away from the slab pushing-out direction b and the slab conveying direction a, so that the lifting hook can conveniently hook the lifting ring 15.
The side plate 12 is fixedly connected to a first side edge of the top plate 11, which is one side edge of the top plate 11 in the slab pushing direction b and is far from the pushing side. The side plates 12 are preferably welded to the top plate 11. Since the flap door 13 needs to be freely rotated, the flap door 13 cannot support the top panel 11, and the top panel 11 is entirely supported by the side panels 12.
The side plate 12 is also made of steel plate, and in order to ensure the structural strength and the installation stability of the side plate 12, as a preferred embodiment, more than 1 rib plate 16 is arranged on the side plate 12, the rib plate 16 is fixedly connected with the side plate 12, and the side plate 12 is connected with the guard plate through the rib plate 16. In this embodiment, the side plate 12 is provided with 4 rib plates 16, the rib plates 16 are welded to the side plate 12, the 4 rib plates 16 are uniformly distributed at intervals along the slab conveying direction a, and the positions of the 4 rib plates 16 correspond to the positions of the 4 reinforcing ribs 17 one by one.
The flap door 13 is rotatably attached to a second side of the top panel 11, which is the other side of the top panel 11 in the slab push-out direction b and is close to the push-out side, opposite to the first side. The turnover door 13 is also made of steel plate and has the same size as the side plate 12, and the turnover door 13 can be mounted on the top plate 11 by adopting any rotatable connecting structure such as a hinge, a guy cable and the like.
Referring to fig. 2, in the present embodiment, a rib plate 14 is disposed on a second side edge of the top plate 11, the rib plate 14 is welded to the top plate 11, a pin hole is formed in the rib plate 14, and the turnover door 13 is rotatably mounted on the top plate 11 by a pin shaft mounted in the pin hole. In order to ensure the fluency of the opening and closing actions of the turnover door 13, in the embodiment, 8 rib plates 14 are arranged, each two of the 8 rib plates 14 form a group, and a pin shaft is installed in each group of rib plates 14. 4 groups of rib plates 14 are distributed at intervals and uniformly along the slab conveying direction a, and the positions of the 4 groups of rib plates 14 correspond to the positions of the 4 reinforcing ribs 17 one by one.
Example 2:
based on the same inventive concept, the embodiment of the utility model provides a push away base rollgang, its structure refers to fig. 2 and fig. 3, including rollgang 20, ejecting device 30 and heat preservation cover 10, ejecting device 30 sets up by rollgang 20, and ejecting device 30 has telescopic ejecting portion 31, and ejecting portion 31 can stretch out to the slab 40 contact of carrying on the rollgang 20, and heat preservation cover 10 is installed on rollgang 20.
In this embodiment, rollgang 20, ejecting device 30 all adopt prior art, and rollgang 20 is current common slab rollgang, and the roll table is provided with backplate 21 along slab width direction's both sides, and backplate 21 main users protects transmission parts such as bearing. Ejecting device 30 can adopt arbitrary structure that has flexible function, for example jack, pneumatic cylinder, electric telescopic handle etc. concrete structure the utility model discloses do not do the restriction.
The heat-insulating cover 10 is installed on the conveying roller way 20, and the structure of the heat-insulating cover 10 is the same as that of embodiment 1, and detailed description is omitted here. Only the connection relationship between the heat-insulating cover 10 and the conveying roller way 20 is described in detail below:
the side plate 12 of the heat preservation cover 10 is fixedly connected with the guard plate 21 of the conveying roller way 20 close to the pushing device 30. Specifically, referring to fig. 4, the rib plate 16 is provided with a mounting hole, and the rib plate 16 is connected with the guard plate 21 through a threaded fastener, so that the whole heat-insulating cover 10 is mounted on the conveying roller way 20. In order to ensure that the turnover door 13 is freely opened and closed, the lower end of the turnover door 13 should be at a certain height, preferably not more than 10mm, away from the lower structure, so as to avoid heat loss from the gap.
The hot-rolled slab heat-retaining cover 10 of example 1 is disposed on the hot-rolled mill table 20 of a certain steel mill company, and the method of mounting the hot-rolled slab heat-retaining cover 10 is:
the top plate 11 and the side plate 12 are welded to form a fixed cover, the rib plate 16 is welded to the side plate 12, and the rib plate 16 and the roller bed guard plate 21 are fixed by bolts. The pin shaft is welded with the turnover door 13, the rib plate 14 is welded on the top plate 11, the pin shaft penetrates through a hole in the rib plate 14, the turnover door 13 is connected with the fixed cover, and the turnover door 13 is turned over when meeting thrust and falls down by dead weight.
The working process of the push roller conveyor equipped with the hot-rolled slab heat-insulating cover 10 of example 1 is as follows:
1. the normal production process: referring to fig. 3, the rollers of the rollgang 20 roll and transport the slab 40 forward in the transport direction a, and the slab 40 passes through the heat-insulating cover 10.
2. The slab pushing process comprises the following steps: referring to fig. 5, the pushing portion 31 of the pushing device 30 is extended to push the slab 40 to move away from the heat-insulating cover 10 (as indicated by arrow b in fig. 5), the slab 10 pushes up the turnover door 13, and when the slab 40 leaves the range of the heat-insulating cover 10, the turnover door 13 automatically falls down by its own weight.
Through the embodiment, the utility model has the following beneficial effect or advantage:
the utility model provides a push away base rollgang and hot rolling slab heat preservation cover opens for heat preservation cover roll-over gate through ingenious existing ejecting device that utilizes and provides power for heat preservation cover roll-over gate has removed actions such as lifting, decline from, and the roll-over gate leans on the dead weight to fall down automatically after the heat preservation cover scope is released to the slab, and simple structure, practicality, efficient solve at the regional heat preservation cover structure of ejecting machine complicacy, with high costs, installation and maintenance trouble, the many problems of power consumption. Is particularly suitable for the slab heat preservation in the area of a rough rolling slab pusher. The hot-rolled slab heat-insulating cover has the advantages of simple structure, strong practicability, safety and reliability, and is easy to popularize in other similar positions.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A push away base rollgang which characterized in that: the device comprises a conveying roller way, a push-out device and a heat insulation cover, wherein the push-out device is arranged beside the conveying roller way and is provided with a telescopic push-out part which can extend out to be in contact with a plate blank conveyed on the conveying roller way;
the heat-insulating cover is arranged on the conveying roller way and comprises a top plate, side plates and a turnover door, and the side plates and the turnover door are respectively arranged on two sides of the top plate in the width direction of the plate blank to form a door-shaped cover body;
one end of the side plate is fixedly connected with the guard plate on one side, close to the pushing device, of the conveying roller way, the other end of the side plate is fixedly connected with the first side edge of the top plate, and the turnover door is rotatably installed on the second side edge, opposite to the first side edge, of the top plate.
2. A push roller conveyor according to claim 1, characterized in that: and a rib plate is arranged on the second side edge of the top plate, a pin hole is formed in the rib plate, and the turnover door is rotatably arranged on the top plate through a pin shaft arranged in the pin hole.
3. A push roller conveyor according to claim 1, characterized in that: the side plate is provided with more than 1 ribbed plate, the ribbed plate is fixedly connected with the side plate, and the side plate is connected with the guard plate through the ribbed plate.
4. A push roller conveyor according to claim 1, characterized in that: the reinforcing rib is arranged on the top plate and extends along the width direction of the plate blank, and the reinforcing rib is fixedly connected with the top plate.
5. A push roller conveyor according to claim 1, characterized in that: the top plate is provided with more than 1 lifting ring.
6. The utility model provides a hot rolling slab heat preservation cover which characterized in that: including roof, curb plate and upset door, the curb plate with the first side fixed connection of roof, the upset door rotationally install in the roof with on the second side that first side is relative, the curb plate with the upset door is installed respectively the roof in slab width direction both sides, constitute the door type cover body.
7. The hot rolled slab heat retaining cover of claim 6, wherein: and a rib plate is arranged on the second side edge of the top plate, a pin hole is formed in the rib plate, and the turnover door is rotatably arranged on the top plate through a pin shaft arranged in the pin hole.
8. The hot rolled slab heat retaining cover of claim 6, wherein: the side plate is provided with more than 1 rib plate, the rib plate is fixedly connected with the side plate, and the side plate is connected with a protective plate of the conveying roller way through the rib plate.
9. The hot rolled slab heat retaining cover of claim 6, wherein: the reinforcing rib is arranged on the top plate and extends along the width direction of the plate blank, and the reinforcing rib is fixedly connected with the top plate.
10. The hot rolled slab heat retaining cover of claim 6, wherein: the top plate is provided with more than 1 lifting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020218896.1U CN212310426U (en) | 2020-02-27 | 2020-02-27 | Push away base rollgang and hot rolling slab cover that keeps warm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020218896.1U CN212310426U (en) | 2020-02-27 | 2020-02-27 | Push away base rollgang and hot rolling slab cover that keeps warm |
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| CN212310426U true CN212310426U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020218896.1U Active CN212310426U (en) | 2020-02-27 | 2020-02-27 | Push away base rollgang and hot rolling slab cover that keeps warm |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500105A (en) * | 2021-08-06 | 2021-10-15 | 东台嘉琳铧不锈钢有限公司 | Cooling device for hot-rolled steel plate |
| CN114210739A (en) * | 2021-11-25 | 2022-03-22 | 北京首钢股份有限公司 | Method and device for controlling temperature difference of two transverse sides of strip steel |
-
2020
- 2020-02-27 CN CN202020218896.1U patent/CN212310426U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500105A (en) * | 2021-08-06 | 2021-10-15 | 东台嘉琳铧不锈钢有限公司 | Cooling device for hot-rolled steel plate |
| CN114210739A (en) * | 2021-11-25 | 2022-03-22 | 北京首钢股份有限公司 | Method and device for controlling temperature difference of two transverse sides of strip steel |
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