CN212250698U

CN212250698U - Cooling device for hydraulic station of cold rolling mill

Info

Publication number: CN212250698U
Application number: CN202020399138.4U
Authority: CN
Inventors: 张伟; 邓乐; 李海星; 刘学锋
Original assignee: Foshan Jinxi Jinlan Cold Rolled Sheet Co ltd
Current assignee: Foshan Jinxi Jinlan Cold Rolled Sheet Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-12-29
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a cooling device for a hydraulic station of a cold rolling mill, which comprises a shell; a working plane is formed at the top of the shell; the working plane is provided with a first cooling assembly; the first cooling assembly comprises an air cooling device, a first cold air pipe and a second cold air pipe; one end of the first cold air pipe is communicated with the first air outlet, and the other end of the first cold air pipe is communicated with the interior of the hydraulic station; one end of the second cold air pipe is communicated with the second air outlet, and the other end of the second cold air pipe faces the hydraulic station; a cavity is arranged in the shell; a second cooling assembly is arranged in the cavity; the second cooling assembly comprises a heat conduction frame and a heat sink assembly; the heat conducting frame comprises a frame and a plurality of heat conducting plates; the frame is attached to the top of the cavity; the radiating groove component comprises radiating fins and a groove body; the heat conducting plate is inserted and fixed in the groove body; the tank body is internally provided with liquid for cooling. This application provides cooling device's structure promptly, it has simple structure, stability is strong, the radiating effect is good, the later maintenance is convenient and the cost advantage with low costs.

Description

Cooling device for hydraulic station of cold rolling mill

Technical Field

The utility model relates to a hydraulic pump technical field particularly, relates to a cooling device that cold rolling mill hydraulic pressure station was used.

Background

A steel slab is heated, rolled several times, trimmed, and straightened into a steel plate, which is called hot rolling. In the hot rolling process, a cold rolling mill is required to perform hot rolling operation on a steel billet, and the cold rolling mill is used without a hydraulic station to provide a power source. The hydraulic station is a hydraulic source device including a hydraulic pump, a driving motor, a tank, a directional valve, a throttle valve, a relief valve, and the like, or a hydraulic device including a control valve. The oil supply is carried out according to the flow direction, pressure and flow quantity required by the driving device, the hydraulic system is suitable for various machines with the driving device separated from a hydraulic station, and the hydraulic station is connected with the driving device (an oil cylinder or a motor) through an oil pipe, so that various specified actions can be realized by the hydraulic system.

In the long-term use process, people find that the stability of a hydraulic station is influenced to a certain extent by the heat dissipation performance of an oil tank, because the temperature of hydraulic oil is too high, the equipment action becomes slow and weak, the working efficiency is reduced, the oil consumption of an engine is increased, the aging of a sealing element is accelerated, the sealing performance is reduced, the viscosity is reduced, the lubricating performance is reduced, the influence of the temperature on the viscosity of the hydraulic oil is large, and important hydraulic elements such as a hydraulic pump, a valve, a lock and the like are damaged. Typical or common prior art techniques are:

for example, CN103541952A discloses an air-cooled cooling device for a hydraulic station, in which a coupling of a motor is connected to a hydraulic pump and an impeller, a radiator is installed between the hydraulic pump and the impeller, and the radiator is provided with an oil inlet and an oil outlet for high-temperature hydraulic oil. The hydraulic station has the advantages that firstly, the whole volume of the hydraulic station can be reduced; secondly, energy consumption can be reduced; thirdly, noise can be reduced; fourthly, the heat dissipation effect is increased. Referring again to the prior art such as CN107084170A, a thermostatic hydraulic station is disclosed, the cooling efficiency of the present device is much higher than that of the conventional hydraulic station.

In conclusion, through the mass search of the applicant, the cooling device for the existing hydraulic station at least has the problems of poor heat dissipation effect, complex structure, poor stability, higher manufacturing cost and inconvenience for later maintenance in the field. Therefore, there is a need to develop or improve a cooling device for a hydraulic station of a cold rolling mill.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooling device that cold rolling mill hydraulic pressure station was used is in order to solve the problem.

In order to achieve the above object, the present invention provides a cooling device for a hydraulic station of a cold rolling mill, which comprises a housing; the top of the shell is provided with a working plane for placing a hydraulic station; a first cooling assembly is arranged on the working plane; the first cooling assembly comprises an air cooling device, a first cold air pipe and a second cold air pipe; the air cooling device comprises a shell; an installation cavity is arranged in the shell; fan blades are arranged in the mounting cavity; the shell is provided with a first air outlet and a second air outlet which are respectively communicated with the installation cavity; the air cooling device also comprises a driving device; the driving device is arranged on the shell, and an output end of the driving device penetrates through the shell to extend into the mounting cavity and be connected with the fan blades; one end of the first cold air pipe is communicated with the first air outlet, and the other end of the first cold air pipe is communicated with the interior of the hydraulic station; one end of the second cold air pipe is communicated with the second air outlet, and the other end of the second cold air pipe faces the hydraulic station; a cavity is arranged in the shell; a second cooling assembly is arranged in the cavity; the second cooling assembly comprises a heat conduction frame and a heat sink assembly positioned below the heat conduction frame; the heat conduction frame comprises a frame and a plurality of heat conduction plates; the frame is attached to the top of the cavity, and the plurality of heat conduction plates are arranged on one end face, far away from the working plane, of the frame; the heat dissipation groove assembly comprises heat dissipation fins and groove bodies which correspond to the heat conduction plates one by one; the top of the tank body is provided with an opening; the heat conducting plate is inserted and fixed in the groove body through the opening; the radiating fins are arranged at the bottom of the groove body; the tank body is internally provided with liquid for cooling.

Preferably, a plurality of the heat conducting plates are arranged at intervals.

Preferably, a plurality of heat conduction pipes are connected between adjacent grooves.

Preferably, the bottom of the shell is provided with an inlet and an outlet; a notch communicated with the inlet and the outlet is formed in the side surface of the shell; a sliding rail extending towards the cavity direction along the notch is arranged on the inner wall of the cavity; the device also comprises a bottom plate; a plurality of heat dissipation holes are formed in the bottom plate; abutting parts extend outwards from two sides of the bottom plate; the abutting part is erected on the sliding rail and is in sliding connection with the sliding rail.

Preferably, a plurality of access holes communicated with the cavity are formed in the side surface of the shell; and the access opening is connected with an access cover through a screw.

Preferably, the shell is further provided with a third air outlet; the third air outlet faces the working plane; and a heat dissipation plate is arranged on the inner wall of the mounting cavity far away from the third air outlet.

Preferably, the middle section of the first cold air pipe is designed to be attached to the working plane.

Above-mentioned technical scheme provides a cooling device that cold rolling mill hydraulic pressure station used, compares with prior art, its beneficial effect includes:

1. the utility model provides a cooling device radiating effect that current hydraulic pressure station was used poor, the structure is complicated, poor stability, cost are higher and the later maintenance's of being not convenient for problem.

2. The utility model is provided with a first cooling component and a second cooling component; and through the cooperation of the position relation of first cooling assembly and second cooling assembly, realized the quick cooling to cold rolling mill hydraulic pressure station.

3. The utility model has the advantages of simple structure, strong stability, good heat dissipation effect, convenient later maintenance and low cost.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

Fig. 1 is one of the schematic structural diagrams of a cooling device for a hydraulic station of a cold rolling mill in embodiments 1-2 of the present invention;

fig. 2 is a second schematic structural view of a cooling device for a hydraulic station of a cold rolling mill in embodiments 1-2 of the present invention;

fig. 3 is a third schematic structural diagram of a cooling device for a hydraulic station of a cold rolling mill in embodiments 1-2 of the present invention;

fig. 4 is the fourth schematic structural diagram of a cooling device for a hydraulic station of a cold rolling mill in embodiments 1-2 of the present invention.

Description of reference numerals: 1-a shell; 2-a hydraulic station; 3-a working plane; 4-a first cooling assembly; 41-air cooling device; 42-a first cold air duct; 43-a second cold air duct; 5-a housing; 6-a drive device; 7-a second cooling assembly; 71-a heat conducting frame; 72-a heat sink assembly; 721-radiating fins; 722-trough body; 8-a frame; 9-heat conducting plate; 10-a heat conducting pipe; 11-a base plate; 12-an access cover; 13-a third air outlet; 14-heat sink plate.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be further described in detail with reference to the following embodiments thereof; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or component must have a specific direction, be constructed in a specific direction, and operate, and therefore the terms describing the positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the above terms according to specific situations.

The first embodiment is as follows:

a cooling device for a hydraulic station of a cold rolling mill as shown in fig. 1 to 4, comprising a housing 1; the top of the shell 1 is provided with a working plane 3 for placing the hydraulic station 2; a first cooling assembly 4 is arranged on the working plane 3; the first cooling assembly 4 comprises an air cooling device 41, a first cold air pipe 42 and a second cold air pipe 43; the air cooling device 41 comprises a shell 5; an installation cavity is arranged in the shell 5; fan blades are arranged in the mounting cavity; the shell 5 is provided with a first air outlet and a second air outlet which are respectively communicated with the installation cavity; the air cooling device 41 further comprises a driving device 6; the driving device 6 is arranged on the shell 5, and the output end of the driving device 6 penetrates through the shell 5 to extend into the mounting cavity and be connected with the fan blades; one end of the first cold air pipe 42 is communicated with the first air outlet, and the other end of the first cold air pipe is communicated with the interior of the hydraulic station 2; one end of the second cold air pipe 43 is communicated with the second air outlet, and the other end faces the hydraulic station 2; a cavity is arranged in the shell 1; a second cooling assembly 7 is arranged in the cavity; the second cooling assembly 7 comprises a heat conduction frame 71 and a heat sink assembly 72 positioned below the heat conduction frame 71; the heat conducting frame 71 comprises a frame 8 and a plurality of heat conducting plates 9; the frame 8 is attached to the top of the cavity, and the plurality of heat-conducting plates 9 are arranged on one end face, far away from the working plane 3, of the frame 8; the heat dissipation groove assembly 72 comprises heat dissipation fins 721 and groove bodies 722 corresponding to the heat conduction plates 9 one by one; the top of the groove body 722 is provided with an opening; the heat conducting plate 9 is inserted and fixed in the groove body 722 through the opening; the heat dissipation fins 721 are installed at the bottom of the slot 722; the tank 722 is filled with a liquid for cooling. Wherein, a plurality of heat conducting plates 9 are arranged at intervals; a plurality of heat conduction pipes 10 are connected between the adjacent slots 722.

The bottom of the shell 1 in the embodiment 1 is provided with an inlet and an outlet; a notch communicated with the inlet and the outlet is formed in the side surface of the shell 1; a sliding rail extending towards the cavity direction along the notch is arranged on the inner wall of the cavity; also includes a bottom plate 11; a plurality of heat dissipation holes are formed in the bottom plate 11; abutting parts extend outwards from two sides of the bottom plate 11; the abutting part is erected on the sliding rail and is in sliding connection with the sliding rail.

Wherein, the side surface of the shell 1 in this embodiment 1 is provided with a plurality of access ports communicated with the cavity; the access hole is connected with an access cover 12 through a screw.

In this embodiment 1, the housing 5 is further provided with a third air outlet 13; the third air outlet 13 faces the working plane 3; and a heat dissipation plate 14 is arranged on the inner wall of the mounting cavity far away from the third air outlet 13.

In addition, in this embodiment 1, the middle section of the first cold air duct 42 is designed to fit the working plane 3.

Example two:

a cooling device for a hydraulic station of a cold rolling mill as shown in fig. 1 to 4, comprising a housing 1; the top of the shell 1 is provided with a working plane 3 for placing the hydraulic station 2; a first cooling assembly 4 is arranged on the working plane 3; the first cooling assembly 4 comprises an air cooling device 41, a first cold air pipe 42 and a second cold air pipe 43; the air cooling device 41 comprises a shell 5; an installation cavity is arranged in the shell 5; fan blades are arranged in the mounting cavity; the shell 5 is provided with a first air outlet and a second air outlet which are respectively communicated with the installation cavity; the air cooling device 41 further comprises a driving device 6; the driving device 6 is arranged on the shell 5, and the output end of the driving device 6 penetrates through the shell 5 to extend into the mounting cavity and be connected with the fan blades; one end of the first cold air pipe 42 is communicated with the first air outlet, and the other end of the first cold air pipe is communicated with the interior of the hydraulic station 2; one end of the second cold air pipe 43 is communicated with the second air outlet, and the other end faces the hydraulic station 2; a cavity is arranged in the shell 1; a second cooling assembly 7 is arranged in the cavity; the second cooling assembly 7 comprises a heat conduction frame 71 and a heat sink assembly 72 positioned below the heat conduction frame 71; the heat conducting frame 71 comprises a

frame

8 and 2 heat conducting plates 9 arranged side by side; the frame 8 is attached to the top of the cavity, and 2 heat-conducting plates 9 are arranged on one end face, far away from the working plane 3, of the frame 8; the heat dissipation groove assembly 72 comprises heat dissipation fins 721 and groove bodies 722 corresponding to the heat conduction plates 9 one by one; the top of the groove body 722 is provided with an opening; the heat conducting plate 9 is inserted and fixed in the groove body 722 through the opening; the heat dissipation fins 721 are installed at the bottom of the slot 722; the tank 722 is filled with a liquid for cooling. Wherein, a plurality of heat conducting plates 9 are arranged at intervals; a plurality of heat conduction pipes 10 are connected between the adjacent slots 722.

In order to facilitate the maintenance of the second cooling module 7, the bottom of the housing 1 in this embodiment 2 is provided with an access; a notch communicated with the inlet and the outlet is formed in the side surface of the shell 1; a sliding rail extending towards the cavity direction along the notch is arranged on the inner wall of the cavity; also includes a bottom plate 11; a plurality of heat dissipation holes are formed in the bottom plate 11; abutting parts extend outwards from two sides of the bottom plate 11; the abutting part is erected on the sliding rail and is in sliding connection with the sliding rail.

In order to facilitate manual addition of cooling liquid into the tank body 722 at any time, a plurality of access holes communicated with the cavity are formed in the side surface of the shell 1 in the embodiment 2; the access hole is connected with an access cover 12 through a screw.

In order to improve the heat dissipation effect and ensure the rapid heat dissipation of the hydraulic station 2, the housing 5 in this embodiment 2 is further provided with a third air outlet 13; the third air outlet 13 faces the working plane 3; and a heat dissipation plate 14 is arranged on the inner wall of the mounting cavity far away from the third air outlet 13.

In addition, in this embodiment 2, the middle section of the first cold air duct 42 is designed to fit the working plane 3.

The present embodiment 2 achieves rapid heat dissipation by providing the first cooling unit 4 and the second cooling unit 7. In the first cooling mode, the fan blades are driven to rotate by the driving device 6, so that cold air is output from the first air outlet, the second air outlet and the third air outlet 13. First cold-blast pipe 42 of first air outlet intercommunication is used for cooling off the inside of hydraulic pressure station 2, and cold wind is got rid of from the gap of hydraulic pressure station 2, and second cold-blast pipe 43 of second air outlet intercommunication is used for cooling off the longitudinal direction of working plane 3, third air outlet 13 cools off the transverse direction of working plane 3. The second cooling mode is based on the principle of heat conduction, in which heat is transferred from the hydraulic station 2 to the working plane 3, the working plane 3 is transferred to the frame 8, the frame 8 is transferred to the heat-conducting plate 9, the heat-conducting plate 9 is transferred to the cooling liquid in the tank 722, the cooling liquid absorbs part of the heat, and the rest of the heat is transferred to the heat-dissipating fins 721. Through multiple heat dissipation, thereby improve the radiating effect.

Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.

Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

It is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be understood as merely illustrative of the present invention and not as limiting the scope of the invention. After reading the description of the present invention, the skilled person can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope of the present invention defined by the claims.

Claims

1. A cooling device for a hydraulic station of a cold rolling mill is characterized by comprising a shell; the top of the shell is provided with a working plane for placing a hydraulic station; a first cooling assembly is arranged on the working plane; the first cooling assembly comprises an air cooling device, a first cold air pipe and a second cold air pipe; the air cooling device comprises a shell; an installation cavity is arranged in the shell; fan blades are arranged in the mounting cavity; the shell is provided with a first air outlet and a second air outlet which are respectively communicated with the installation cavity; the air cooling device also comprises a driving device; the driving device is arranged on the shell, and an output end of the driving device penetrates through the shell to extend into the mounting cavity and be connected with the fan blades; one end of the first cold air pipe is communicated with the first air outlet, and the other end of the first cold air pipe is communicated with the interior of the hydraulic station; one end of the second cold air pipe is communicated with the second air outlet, and the other end of the second cold air pipe faces the hydraulic station; a cavity is arranged in the shell; a second cooling assembly is arranged in the cavity; the second cooling assembly comprises a heat conduction frame and a heat sink assembly positioned below the heat conduction frame; the heat conduction frame comprises a frame and a plurality of heat conduction plates; the frame is attached to the top of the cavity, and the plurality of heat conduction plates are arranged on one end face, far away from the working plane, of the frame; the heat dissipation groove assembly comprises heat dissipation fins and groove bodies which correspond to the heat conduction plates one by one; the top of the tank body is provided with an opening; the heat conducting plate is inserted and fixed in the groove body through the opening; the radiating fins are arranged at the bottom of the groove body; the tank body is internally provided with liquid for cooling.

2. The cooling apparatus for a hydraulic station of a cold rolling mill according to claim 1, wherein a plurality of said heat-conducting plates are arranged at intervals.

3. The cooling device for the hydraulic station of the cold rolling mill according to claim 1, wherein a plurality of heat conducting pipes are connected between the adjacent grooves.

4. The cooling apparatus for a hydraulic station of a cold rolling mill according to claim 1, wherein the bottom of the housing is provided with an access opening; a notch communicated with the inlet and the outlet is formed in the side surface of the shell; a sliding rail extending towards the cavity direction along the notch is arranged on the inner wall of the cavity; the device also comprises a bottom plate; a plurality of heat dissipation holes are formed in the bottom plate; abutting parts extend outwards from two sides of the bottom plate; the abutting part is erected on the sliding rail and is in sliding connection with the sliding rail.

5. The cooling device for the hydraulic station of the cold rolling mill according to claim 1, wherein a plurality of access ports communicated with the cavity are formed in the side surface of the housing; and the access opening is connected with an access cover through a screw.

6. The cooling device for the hydraulic station of the cold rolling mill according to claim 1, wherein a third air outlet is further formed in the housing; the third air outlet faces the working plane; and a heat dissipation plate is arranged on the inner wall of the mounting cavity far away from the third air outlet.

7. The cooling apparatus for a hydraulic station of a cold rolling mill of claim 1, wherein a middle section of the first cold air duct is designed to fit the working plane.