CN213997730U - Slab slow cooling pit heat preservation cover car - Google Patents
Slab slow cooling pit heat preservation cover car Download PDFInfo
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- CN213997730U CN213997730U CN202022268137.9U CN202022268137U CN213997730U CN 213997730 U CN213997730 U CN 213997730U CN 202022268137 U CN202022268137 U CN 202022268137U CN 213997730 U CN213997730 U CN 213997730U
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Abstract
The utility model discloses a slab slow cooling hole heat preservation cover car, include: the low-level heat-preservation cover vehicle and the high-level heat-preservation cover vehicle are sequentially arranged along the slab slow cooling pit direction; low-order heat preservation cover car is including a plurality of first heat preservation cover cars that are connected through first connecting plate, every first heat preservation cover car all includes first heat preservation cover, first side heat preservation cover, first walking roof beam, first wheel and first motor, first walking roof beam is located slab slow cooling hole top, first heat preservation cover with first walking roof beam sets up relatively, first heat preservation cover with first walking roof beam passes through first side heat preservation cover is connected, first wheel is located the bottom of first walking roof beam, first motor is used for the drive first wheel. The utility model discloses reduce the thermal deformation of heat preservation lid, realized improving the slow cooling quality of steel billet, reduce the trouble frequency of heat preservation cover car, reduce heat preservation lid use cost.
Description
Technical Field
The utility model relates to a technical field of metallurgical continuous casting equipment, in particular to slab slow cooling pit heat preservation cover car.
Background
In order to meet the requirements of steel products of various types such as military industry, nuclear power, molds and the like, a slow cooling pit needs to be arranged, and a slow cooling process of off-line steel billets is realized. The existing high-low heat-preservation cover vehicle is large in overall dimension, a walking beam is directly connected with a heat-preservation cover, after a vehicle body is heated and deformed, a supporting wheel cannot be in good contact with a rail, walking of the high-low heat-preservation cover vehicle is affected, and once the large-size heat-preservation cover is deformed, the large-size heat-preservation cover is not easy to recover, and the requirement of a slow cooling process cannot be met.
Therefore, how to develop a slab slow cooling pit thermal insulation covering vehicle capable of reducing the thermal deformation of the thermal insulation cover becomes a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a slab slow cooling hole heat preservation cover car reduces the thermal deformation that keeps warm and covers, has realized improving the slow cooling quality of steel billet, reduces the trouble frequency of heat preservation cover car, reduces the heat preservation and covers use cost.
In order to achieve the above object, the utility model provides a slab slow cooling hole heat preservation cover car, include: the low-level heat-preservation cover vehicle and the high-level heat-preservation cover vehicle are sequentially arranged along the slab slow cooling pit direction;
the low-position heat-preservation covering vehicle comprises a plurality of first heat-preservation covering vehicles connected through first connecting plates, each first heat-preservation covering vehicle comprises a first heat-preservation cover, a first side face heat-preservation cover, a first walking beam, first wheels and a first motor, the first walking beam is located above a slab slow cooling pit, the first heat-preservation covers are arranged opposite to the first walking beam, the first heat-preservation covers are connected with the first walking beam through the first side face heat-preservation covers, the first wheels are arranged at the bottom of the first walking beam, and the first motors are used for driving the first wheels;
high-order heat preservation cover car is including a plurality of second heat preservation cover cars that are connected through the second connecting plate, every the second heat preservation cover car all includes second heat preservation lid, second side heat preservation cover, second walking beam, second wheel and second motor, second walking beam is located slab slow cooling pit top, the second heat preservation lid with second walking beam sets up relatively, the second heat preservation lid with second walking beam passes through second side heat preservation cover is connected, the second wheel is located the bottom of second walking beam, the second motor is used for the drive the second wheel.
Furthermore, the first heat-preservation cover and the second heat-preservation cover are both provided with heat-preservation cotton.
Further, the number of the first heat-preservation cover vehicles is 3.
Further, the number of the second heat-preservation cover vehicles is 3.
Further, a first reinforcing beam is arranged on the first heat-preservation cover.
Further, each first heat-insulating cover is provided with 2 first reinforcing cross beams.
Furthermore, a second reinforcing beam is arranged on the second heat-preservation cover.
Furthermore, each second heat-preservation cover is provided with 2 second reinforcing cross beams.
The control device comprises a first encoder, a second encoder, a first limit switch, a second limit switch, a first frequency converter, a second frequency converter and a control host;
the first encoder is arranged on the first wheel, the second encoder is arranged on the second wheel, the first motor is in signal connection with the first frequency converter, the second motor is in signal connection with the second frequency converter,
the first encoder, the second encoder, the first limit switch, the second limit switch, the first frequency converter and the second frequency converter are all connected with the control host through signals,
the control host sends corresponding instructions according to signals generated by the limit switch, the first encoder and the second encoder to control the first frequency converter and the second frequency converter, and the first frequency converter and the second frequency converter respectively control the first motor and the second motor.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the utility model provides a slab slow cooling pit heat preservation cover car, which divides a large-size heat preservation cover into a plurality of sections, and can reduce the thermal deformation of the heat preservation cover; the walking beam and the heat-insulating cover are separated through the side heat-insulating cover, so that the deformation of the walking beam caused by the deformation of the heat-insulating cover is effectively reduced, and the jamming of the roller and the track is reduced; the slow cooling quality of the steel billet is improved, the failure frequency of the heat-insulation cover vehicle is reduced, and the use cost of the heat-insulation cover is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a slab annealing pit heat preservation cover vehicle of the present invention;
fig. 2 is a connection diagram of a control device in a slab slow cooling pit heat preservation cover car of the utility model.
Wherein, 1, a low-position heat preservation cover vehicle; 11. a first heat-preserving cover vehicle; 12. a first connecting plate;
111. a first heat-insulating cover; 112. a first side heat-insulating cover; 113. a first walking beam; 114. a first wheel; 115. a first motor; 116. a first reinforcing cross member;
2. a high-position heat-preservation cover vehicle; 21. a second heat-preservation cover vehicle; 22. a second connecting plate;
211. a second heat-preserving cover; 212. a second side heat-insulating cover; 213. a second walking beam; 214. a second wheel; 215. a second motor; 216. a second reinforcing cross member;
3. slab annealing pit;
4. a control device; 41. a first limit switch; 42. a second limit switch; 43. a first encoder; 44. a second encoder; 45. a first frequency converter; 46. a second frequency converter; 47. and a control host.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments and examples, and the advantages and various effects of the present invention will be more clearly apparent from the description. It will be understood by those skilled in the art that the present embodiments and examples are illustrative of the present invention, and are not to be construed as limiting the invention.
Throughout the specification, unless otherwise specifically noted, terms used herein should be understood as having meanings as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. If there is a conflict, the present specification will control.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by an existing method. The terms "first", "second", and the like in the embodiments of the present invention do not denote any order, and may be understood as nouns.
The embodiment of the utility model provides a technical scheme is for solving above-mentioned technical problem, and the general thinking is as follows:
according to the utility model relates to a typical embodiment provides a slab slow cooling hole heat preservation cover car, include: the low-level heat-preservation cover vehicle 1 and the high-level heat-preservation cover vehicle 2 are sequentially arranged along the slab slow cooling pit direction;
the low-position heat-preservation covered vehicle 1 comprises a plurality of first heat-preservation covered vehicles 11 connected through first connecting plates 12, each first heat-preservation covered vehicle 11 comprises a first heat-preservation cover 111, a first side heat-preservation cover 112, a first walking beam 113, first wheels 114 and a first motor 115, the first walking beam 113 is located above a slab annealing pit 3, the first heat-preservation covers 111 and the first walking beam 113 are arranged oppositely, the first heat-preservation covers 111 and the first walking beam 113 are connected through the first side heat-preservation covers 112, the first wheels 114 are arranged at the bottom of the first walking beam 113, and the first motors 115 are used for driving the first wheels 114;
high-order heat preservation cover car 2 includes a plurality of second heat preservation cover cars 21 that are connected through second connecting plate 22, every second heat preservation cover car 21 all includes second heat preservation cover 211, second side heat preservation cover 212, second walking beam 213, second wheel 214 and second motor 215, second walking beam 213 is located slab slow cooling pit 3 top, second heat preservation cover 211 with second walking beam 213 sets up relatively, second heat preservation cover 211 with second walking beam 213 passes through second side heat preservation cover 212 is connected, second wheel 214 is located the bottom of second walking beam 213, second motor 215 is used for the drive second wheel 214.
The slab slow cooling pit heat-preservation cover vehicle provided by the embodiment of the utility model divides a large-size heat-preservation cover into a plurality of sections, so that the thermal deformation of the heat-preservation cover can be reduced; the walking beam and the heat-insulating cover are separated through the side heat-insulating cover, so that the deformation of the walking beam caused by the deformation of the heat-insulating cover is effectively reduced, and the jamming of the roller and the track is reduced; the vehicle body and the heat insulation cover are ensured to be split, the bending of the walking beam caused by the deformed heat insulation cover is effectively reduced, and the problem of jamming caused by thermal deformation during the traveling of the vehicle body is effectively solved; the slow cooling quality of the steel billet is improved, the failure frequency of the heat-insulation cover vehicle is reduced, and the use cost of the heat-insulation cover is reduced.
Preferably, the first heat-preservation cover 111 and the second heat-preservation cover 211 are both provided with heat-preservation cotton. The heat preservation effect is good.
The first side surface heat preservation cover 112 and the second side surface heat preservation cover 212 are filled and fixed by refractory fiber felts, and the heat preservation effect is good.
Specifically, in this embodiment, the number of the first heat-preserving covering cars 11 is 3; the number of the second heat-preservation cover vehicles 21 is 3.
Preferably, the first heat-preservation cover 111 is provided with a first reinforcing beam 116. Each first heat-insulating cover is provided with 2 first reinforcing cross beams, and 6 first reinforcing cross beams 116 are provided in total; a second reinforcing cross beam 216 is arranged on the second heat-insulating cover 211; each second heat-preservation cover is provided with 2 second reinforcing cross beams 216, and the total number of the second reinforcing cross beams is 6. The first reinforcing cross beam 116 and the second reinforcing cross beam 216 are arranged to ensure firmness and stability of two sides of the heat-preservation cover vehicle, and deformation of the connecting piece above the heat-preservation cover is further reduced.
Preferably, the control device 4 is further included, and the control device 4 includes a first encoder 43, a second encoder 44, a first limit switch 41, a second limit switch 42, a first frequency converter 45, a second frequency converter 46 and a control host 47;
the first encoder 43 is mounted on the first wheel 114, the second encoder 44 is mounted on the second wheel 214, the first motor 115 is in signal connection with the first frequency converter 45, and the second motor 215 is in signal connection with the second frequency converter 46;
the first encoder 43, the second encoder 44, the first limit switch 41, the second limit switch 42, the first frequency converter 45 and the second frequency converter 46 are all connected with the control host 47 through signals,
the control host 47 sends corresponding instructions according to the signals generated by the first limit switch 41, the second limit switch 42, the first encoder 43 and the second encoder 44 to control the first frequency converter 45 and the second frequency converter 46, and the first frequency converter 45 and the second frequency converter 46 control the first motor 115 and the second motor 215, respectively.
The control device controls the heat preservation cover vehicle to travel through the frequency converter and feeds back the position of the heat preservation cover through the installed encoder and the limit switch; the frequency converter control, the encoder and the limit switch are used as signal feedback, so that the walking position and the stopping position of the high-low heat-preservation cover vehicle can be controlled more stably, accurately and energy-saving;
the control device adopts a PLC control technology, and the control device further comprises a touch display screen, can be controlled on the touch display screen, has automatic control and manual control, and can modify parameters on the touch screen. In the automatic control, 5 working conditions can be selected,
the method comprises the following steps: initial state, pot head are closed (operating mode 1), first heat preservation lid 111 is closed, second heat preservation lid 211 is half-opened (operating mode 2), first heat preservation lid 111 is closed, second heat preservation lid 211 is opened entirely (operating mode 3), first heat preservation lid 111 is half-opened, second heat preservation lid 211 is half-opened (operating mode 4), first heat preservation lid 111 is half-opened, second heat preservation lid 211 is closed (operating mode 5), first heat preservation lid 111 is full-opened, second heat preservation lid 211 is closed (operating mode 6).
The manual control can be performed by inching control, and the low-position heat-preservation covering vehicle 1 and the high-position heat-preservation covering vehicle 2 can move to any position except the stop position; the low-position heat preservation covering vehicle 1 can also be set according to the percentage (0% -100%) of the stroke of the low-position heat preservation covering vehicle 1, and after the low-position heat preservation covering vehicle is started through a command, the low-position heat preservation covering vehicle 1 can walk to a target position. If a fault occurs, the device can automatically stop and simultaneously output alarm information, so that the maintenance personnel can conveniently process the alarm information; after confirming that there is no problem, a fault reset operation can be performed on the touch screen.
Finally, it should also be noted that 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.
While the preferred embodiments of the present invention 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. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides a slab slow cooling pit heat preservation cover car which characterized in that includes: the low-level heat-preservation cover vehicle and the high-level heat-preservation cover vehicle are sequentially arranged along the slab slow cooling pit direction;
the low-position heat-preservation covering vehicle comprises a plurality of first heat-preservation covering vehicles connected through first connecting plates, each first heat-preservation covering vehicle comprises a first heat-preservation cover, a first side face heat-preservation cover, a first walking beam, first wheels and a first motor, the first walking beam is located above a slab slow cooling pit, the first heat-preservation covers are arranged opposite to the first walking beam, the first heat-preservation covers are connected with the first walking beam through the first side face heat-preservation covers, the first wheels are arranged at the bottom of the first walking beam, and the first motors are used for driving the first wheels;
high-order heat preservation cover car is including a plurality of second heat preservation cover cars that are connected through the second connecting plate, every the second heat preservation cover car all includes second heat preservation lid, second side heat preservation cover, second walking beam, second wheel and second motor, second walking beam is located slab slow cooling pit top, the second heat preservation lid with second walking beam sets up relatively, the second heat preservation lid with second walking beam passes through second side heat preservation cover is connected, the second wheel is located the bottom of second walking beam, the second motor is used for the drive the second wheel.
2. The slab slow cooling pit heat preservation cover car of claim 1, wherein the first heat preservation lid and the second heat preservation lid are both provided with heat preservation cotton.
3. The slab annealing pit insulation covering vehicle of claim 1, wherein the number of the first insulation covering vehicles is 3.
4. The slab annealing pit insulation covering vehicle of claim 1, wherein the number of the second insulation covering vehicles is 3.
5. The slab annealing pit insulation cover vehicle of claim 1, wherein the first insulation cover is provided with a first reinforcing beam.
6. A slab slow cooling pit thermal insulation cover car according to claim 5, wherein 2 first reinforcing beams are provided on each first thermal insulation cover.
7. The slab annealing pit insulation cover vehicle of claim 1, wherein a second reinforcing beam is arranged on the second insulation cover.
8. A slab annealing pit insulation cover car according to claim 7, wherein 2 said second reinforcing beams are provided on each said second insulation cover.
9. The slab slow cooling pit heat preservation cover car as claimed in claim 1, further comprising a control device, wherein the control device comprises a first encoder, a second encoder, a first limit switch, a second limit switch, a first frequency converter, a second frequency converter and a control host;
the first encoder is arranged on the first wheel, the second encoder is arranged on the second wheel, the first motor is in signal connection with the first frequency converter, the second motor is in signal connection with the second frequency converter,
the first encoder, the second encoder, the first limit switch, the second limit switch, the first frequency converter and the second frequency converter are all connected with the control host through signals,
the control host sends corresponding instructions according to signals generated by the limit switch, the first encoder and the second encoder to control the first frequency converter and the second frequency converter, and the first frequency converter and the second frequency converter respectively control the first motor and the second motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022268137.9U CN213997730U (en) | 2020-10-13 | 2020-10-13 | Slab slow cooling pit heat preservation cover car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022268137.9U CN213997730U (en) | 2020-10-13 | 2020-10-13 | Slab slow cooling pit heat preservation cover car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213997730U true CN213997730U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022268137.9U Active CN213997730U (en) | 2020-10-13 | 2020-10-13 | Slab slow cooling pit heat preservation cover car |
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| Country | Link |
|---|---|
| CN (1) | CN213997730U (en) |
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- 2020-10-13 CN CN202022268137.9U patent/CN213997730U/en active Active
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