Hydraulic oil cylinder with cooling function

Abstract

The utility model discloses a hydraulic oil cylinder with a cooling function, which relates to the technical field of hydraulic oil cylinders and comprises a mounting shell, a hydraulic cylinder arranged in the mounting shell, a cover plate arranged at the top of the mounting shell, a heat dissipation shell and heat dissipation fins sleeved on the outer side of the hydraulic cylinder, and a refrigeration box arranged on the outer wall of the mounting shell. The refrigeration box is connected with the installation shell through a liquid outlet pipe and a backflow pipe, a pump is arranged on the backflow pipe, semiconductor refrigeration pieces are arranged on the inner wall of the refrigeration box, a sliding rod, a fixing plate and an inserting rod are arranged at the bottom of the cover plate through an installation plate, and a limiting groove is formed in the side wall of the installation shell. Through the arrangement of the heat dissipation shell and the heat dissipation fins, the heat dissipation capacity of the hydraulic oil cylinder is effectively enhanced, heat generated when the hydraulic oil cylinder works can be rapidly conducted out through the heat dissipation shell and the heat dissipation fins, the problem that the hydraulic oil cylinder is damaged or the performance is reduced due to the fact that the temperature is too high is solved, and meanwhile the heat dissipation performance of the hydraulic oil cylinder is improved. And through cooperative use of the refrigeration box, the liquid outlet pipe, the backflow pipe and the pump machine, the heat dissipation effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic cylinder technical field, specifically a kind of hydraulic cylinder with cooling function. BACKGROUND

[0002] As an important component in hydraulic system, hydraulic cylinder is widely used in various mechanical equipment, for realizing linear reciprocating motion or swing motion, and outputting certain force.

[0003] However, in the working process of hydraulic cylinder, due to oil friction, mechanical friction and pressure change, a large amount of heat will be generated, which will cause the temperature of hydraulic cylinder to rise. If the hydraulic cylinder is in high temperature state for a long time, not only the aging of oil and the wear of sealing element will be accelerated, but also the working efficiency and service life of the hydraulic cylinder will be reduced, and safety accidents may also be caused. The traditional method is to use natural cooling or forced air cooling, however, these heat dissipation methods often have poor heat dissipation effect and cannot meet the heat dissipation demand of hydraulic cylinder under high temperature and high load working conditions, therefore, we propose a kind of hydraulic cylinder with cooling function. SUMMARY

[0004] The utility model aims at providing a kind of hydraulic cylinder with cooling function to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of hydraulic cylinder with cooling function, including installation shell, the inside of installation shell is provided with hydraulic cylinder, the top of installation shell is also provided with cover plate, the outside of hydraulic cylinder is equipped with heat dissipation shell, the side wall of heat dissipation shell is evenly provided with several radiating fins, the outer wall of installation shell is also provided with refrigeration box, refrigeration box is provided with liquid outlet pipe, the liquid outlet end of liquid outlet pipe is connected with installation shell and extends to the inside of installation shell, the installation shell is also provided with return pipe, the liquid outlet end of return pipe is connected with refrigeration box, the return pipe is also provided with pump machine, the inner wall of refrigeration box is also provided with semiconductor refrigeration piece, the refrigeration box is also provided with liquid injection port, the bottom of cover plate is also evenly provided with several installation plates, installation plate is provided with installation hole, slidingly arranged in installation hole is slide rod, the inboard end of slide rod is provided with fixed plate, fixed plate is provided with insertion rod, the side wall of installation shell is also provided with several limit grooves matched with insertion rod.

[0007] As a further scheme of the utility model: the cover plate is provided with through hole for the movement of telescopic rod.

[0008] As a further scheme of the utility model: the outside of slide rod is equipped with reset spring, one end of reset spring is connected with installation plate.

[0009] As a further scheme of the utility model: the other end of the reset spring is connected with the mounting plate.

[0010] As a further scheme of the utility model: a heat dissipation mesh plate is arranged on the side wall of the refrigeration box outside the semiconductor refrigeration sheet.

[0011] As a further scheme of the utility model: a handle is arranged at the outer end of the sliding rod.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. Firstly, the heat dissipation shell and the heat dissipation fin are arranged, so that the heat dissipation capacity of the hydraulic oil cylinder is effectively enhanced, the heat generated by the hydraulic cylinder during work can be rapidly conducted out through the heat dissipation shell and the heat dissipation fin, the problems of damage or performance reduction of the hydraulic oil cylinder caused by excessively high temperature are avoided, meanwhile, the refrigeration box, the liquid outlet pipe, the return pipe and the pump machine are used in cooperation, an efficient cooling liquid circulating system is formed, the heat dissipation effect is further improved, the cooling liquid is cooled in the refrigeration box by the semiconductor refrigeration sheet, enters the inside of the mounting shell of the hydraulic oil cylinder through the liquid outlet pipe, is returned to the refrigeration box through the return pipe after absorbing heat, and effective heat transfer and dissipation are realized.

[0014] 2. The sliding rod, the fixing plate, the insertion rod and the limiting groove are used in cooperation, so that the tight connection between the cover plate and the mounting shell is realized, the sealing property and the stability of the hydraulic oil cylinder are ensured, meanwhile, the reset spring and the handle arranged at the outer side of the sliding rod make it easy to disassemble the cover plate by pulling the handle when disassembly is needed, and the operation is simple and fast. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the utility model embodiment.

[0016] Fig. 2 It is a structural schematic view of the utility model embodiment in the view from below.

[0017] Fig. 3 It is a structural schematic view of the inside of the mounting shell in the utility model embodiment.

[0018] Fig. 4 It is a structural schematic view of A in the utility model embodiment.

[0019] Mark annotation: 1, mounting shell, 2, cover plate, 3, hydraulic cylinder, 4, heat dissipation shell, 5, heat dissipation fin, 6, refrigeration box, 7, return pipe, 8, liquid outlet pipe, 9, heat dissipation mesh plate, 10, liquid injection port, 11, mounting plate, 12, sliding rod, 13, fixing plate, 14, insertion rod, 15, limiting groove, 16, handle, 17, reset spring. PREFERRED EMBODIMENT

[0020] The following embodiments will be described in detail with reference to the accompanying drawings. In the drawings or description, similar or identical parts are denoted by the same reference numerals, and in practical applications, the shape, thickness, or height of each component can be enlarged or reduced. The embodiments listed in the present application are only used to illustrate the present application and are not intended to limit the scope of the present application. Any obvious modification or change made to the present application does not deviate from the spirit and scope of the present application.

[0021] Embodiment

[0022] Please refer to Figs. 1-4 In the embodiment of the present application, a hydraulic oil cylinder with cooling function includes a mounting shell 1, a hydraulic cylinder 3 is arranged inside the mounting shell 1, and a cover plate 2 is further arranged on the top of the mounting shell 1. Under the action of the mounting shell 1 and the cover plate 2, the hydraulic cylinder 3 can be protected, thereby reducing the damage of the hydraulic cylinder 3 caused by external factors, and further ensuring the use efficiency of the hydraulic cylinder 3. The cover plate 2 is provided with a through hole for the movement of the telescopic rod.

[0023] The outer side of the hydraulic cylinder 3 is provided with a heat dissipation shell 4, and a plurality of heat dissipation fins 5 are uniformly arranged on the side wall of the heat dissipation shell 4. When the hydraulic cylinder 3 works, a large amount of heat will be generated. At this time, under the action of the heat dissipation shell 4 and the heat dissipation fin 5, the heat generated by the hydraulic cylinder 3 during work can be dissipated, thereby reducing the damage of the hydraulic cylinder 3 caused by excessive heat. A refrigeration box 6 is further arranged on the outer wall of the mounting shell 1. The refrigeration box 6 is provided with a liquid outlet pipe 8. The liquid outlet end of the liquid outlet pipe 8 is connected with the mounting shell 1 and extends into the inside of the mounting shell 1. A return pipe 7 is further arranged on the mounting shell 1. The liquid outlet end of the return pipe 7 is connected with the refrigeration box 6. A pump is further arranged on the return pipe 7. A semiconductor refrigeration fin is further arranged on the inner wall of the refrigeration box 6. A heat dissipation mesh plate 9 is arranged on the side wall of the refrigeration box 6 outside the semiconductor refrigeration fin. A liquid inlet 10 is further arranged on the refrigeration box 6. In actual use, when the hydraulic cylinder 3 needs to be cooled and cooled, the pump is started to pump the cooling liquid in the mounting shell 1 into the refrigeration box 6. Under the action of the semiconductor refrigeration fin, the cooling liquid in the refrigeration box 6 can be cooled. The cooled cooling liquid enters the inside of the mounting shell 1 through the liquid outlet pipe 8, so that the cooling liquid carries away the heat discharged by the heat dissipation shell 4 and the heat dissipation fin 5, thereby realizing the cooling work of the hydraulic cylinder 3, and further ensuring the use efficiency of the hydraulic cylinder 3. In addition, under the action of the heat dissipation mesh plate 9, the semiconductor refrigeration fin can be cooled, thereby ensuring the working efficiency and working quality of the semiconductor refrigeration fin.

[0024] The bottom of the cover plate 2 is also uniformly provided with a plurality of mounting plates 11, the mounting plates 11 are provided with mounting holes penetratingly, the mounting holes are slidingly provided with sliding rods 12, the inner side of the sliding rod 12 is provided with a fixed plate 13, the fixed plate 13 is provided with a plug rod 14, the side wall of the mounting shell 1 is also provided with a plurality of limiting grooves 15 matched with the plug rod 14, at this time, under the action of the limiting grooves 15 and the plug rod 14, the connection quality of the mounting shell 1 and the cover plate 2 is ensured, and then the sealing performance of the connection is ensured, so that the use efficiency of the cooling liquid is ensured, and the leakage of the cooling liquid is reduced, so that the cooling quality is ensured, the outer side of the sliding rod 12 is provided with a reset spring 17, one end of the reset spring 17 is connected with the mounting plate 11, the other end of the reset spring 17 is connected with the mounting plate 11, at this time, under the action of the reset spring 17, the connection quality of the plug rod 14 and the limiting groove 15 is ensured, the outer side of the sliding rod 12 is provided with a handle 16, and the sliding rod 12 can be driven to move through the handle 16.

[0025] In actual use, the hydraulic cylinder 3 runs in the mounting shell 1, generates heat, the heat is effectively led out by the heat dissipation shell 4 and the heat dissipation fins 5, at the same time, the cooling liquid in the refrigeration box 6 continuously flows in the circulation of the return pipe 7 and the liquid outlet pipe 8 driven by the pump, the cooling liquid enters the mounting shell 1 from the liquid outlet pipe 8, absorbs the heat led out by the heat dissipation shell 4 and the heat dissipation fins 5, and then returns to the refrigeration box 6 through the return pipe 7, in the refrigeration box 6, the semiconductor refrigeration piece cools the cooling liquid, ensures that the cooling liquid always keeps a low temperature, and the heat dissipation net plate 9 helps the semiconductor refrigeration piece to dissipate the heat generated during work, prevents overheating, the cooling liquid is cooled by the refrigeration box 6, and then enters the mounting shell 1 through the liquid outlet pipe 8 again, to form an effective cooling circulation, the cover plate 2 is closely connected with the mounting shell 1 through the mounting plate 11, the sliding rod 12, the fixed plate 13 and the plug rod 14, the cooperation of the plug rod 14 and the limiting groove 15 ensures the sealing performance and stability of the connection, the reset spring 17 provides stable elastic force for the plug rod 14, and ensures the connection quality, when the cover plate 2 needs to be disassembled, the sliding rod 12 can be pulled through the handle 16, so that the plug rod 14 is separated from the limiting groove 15.

[0026] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0027] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A hydraulic cylinder with a cooling function, comprising a mounting housing (1), characterized in that, A hydraulic cylinder (3) is installed inside the mounting shell (1). A cover plate (2) is also installed on the top of the mounting shell (1). A heat dissipation shell (4) is fitted on the outside of the hydraulic cylinder (3). Several heat dissipation fins (5) are evenly arranged on the side wall of the heat dissipation shell (4). A refrigeration box (6) is also installed on the outer wall of the mounting shell (1). A liquid outlet pipe (8) is installed on the refrigeration box (6). The liquid outlet end of the liquid outlet pipe (8) is connected to the mounting shell (1) and extends into the mounting shell (1). A return pipe (7) is also installed on the mounting shell (1). The liquid outlet end of the return pipe (7) is connected to the refrigeration box (6). A pump is also provided on the return pipe (7), a semiconductor cooling chip is also provided on the inner wall of the refrigeration box (6), a liquid injection port (10) is also provided on the refrigeration box (6), a number of mounting plates (11) are evenly provided at the bottom of the cover plate (2), a mounting hole is provided through the mounting plate (11), a sliding rod (12) is slidably provided in the mounting hole, a fixing plate (13) is provided at the inner end of the sliding rod (12), a plug rod (14) is provided on the fixing plate (13), and a number of limiting grooves (15) that cooperate with the plug rod (14) are also provided on the side wall of the mounting shell (1).

2. The hydraulic cylinder with cooling function according to claim 1, characterized in that, The cover plate (2) has a through hole for the telescopic rod to move.

3. The hydraulic cylinder with cooling function according to claim 1, characterized in that, A return spring (17) is sleeved on the outside of the slide bar (12), and one end of the return spring (17) is connected to the mounting plate (11).

4. The hydraulic cylinder with cooling function according to claim 3, characterized in that, The other end of the return spring (17) is connected to the mounting plate (11).

5. The hydraulic cylinder with cooling function according to claim 1, characterized in that, A heat dissipation mesh plate (9) is provided on the side wall of the refrigeration box (6) outside the semiconductor refrigeration chip.

6. The hydraulic cylinder with cooling function according to claim 1, characterized in that, A handle (16) is provided at the outer end of the slide bar (12).

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