Hydraulic oil cylinder capable of being rapidly cooled
By integrating a heat sink and a cooling fan on the hydraulic cylinder, the high temperature problem caused by the accumulation of friction heat in the hydraulic cylinder is solved, and the effect of rapid cooling and extended service life is achieved.
Patent Information
- Application Number
- CN202421088203.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-20
AI Technical Summary
During long-term use, the existing hydraulic cylinders have accumulated heat generated by friction, which leads to an increase in oil temperature, affecting their service life, and lacks a heat dissipation structure and cannot effectively cool down.
A hydraulic cylinder including an outer wall heat sink, a cooling cover, a cooling fan and an exhaust hole is designed to transfer heat through the heat sink, and accelerate gas flow and accelerate cooling with the heat dissipation fan. It is designed to facilitate maintenance and replacement of the heat dissipation fan through a removable design. .
It effectively improves the cooling efficiency and service life of the hydraulic cylinder, ensures that the temperature is maintained at a low temperature under high-speed working conditions, and extends the service life of the equipment.
Smart Images
Figure CN222208466U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydraulic oil cylinders, in particular to a hydraulic oil cylinder capable of rapidly cooling down. Background Art
[0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion. It has a simple structure and reliable operation. When using it to achieve reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap and the movement is smooth. Therefore, it is widely used in the hydraulic systems of various machines. The output force of the hydraulic cylinder is proportional to the effective area of the piston and the pressure difference on both sides. The hydraulic cylinder is basically composed of a cylinder barrel and a cylinder head, a piston and a piston rod, a sealing device, a buffer device and an exhaust device.
[0003] The hydraulic cylinders currently used in the market, when used for a long time, the movement of the piston in the cylinder will generate friction with the machine parts, and this friction will generate heat, thereby causing the oil temperature in the hydraulic cylinder to rise. Since the existing hydraulic cylinders do not have a heat dissipation structure, high-speed hydraulic cylinders work at high temperatures for a long time, affecting the service life of the hydraulic cylinders. Utility Model Content
[0004] The purpose of the utility model is to provide a hydraulic cylinder capable of rapidly cooling down, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic cylinder that can cool down quickly, comprising a hydraulic cylinder body, the outer side wall of the hydraulic cylinder body is fixedly connected to a plurality of heat sinks, a cooling cover one is provided on one side of the hydraulic cylinder body, a filter is fixedly installed in the middle of one side of the cooling cover one, a cooling cover two is provided on the other side of the cooling cover one, a cooling fan is fixedly installed in the middle of one side of the cooling cover two, both ends of the hydraulic cylinder body are fixedly connected to mounting frames, and an exhaust hole is opened through one side of the mounting frame.
[0006] As a further preferred embodiment of the present technical solution, a plurality of mounting plates are fixedly connected to one side of the cooling hood 2, and one side of each of the plurality of mounting plates is rotatably connected to two clamping frames, and a return spring is fixedly connected to the other side of the clamping frame, and clamping blocks are fixedly connected at the four corners of one side of the cooling fan, and the clamping block is located between the two clamping frames.
[0007] As a further preferred embodiment of the technical solution, one side of the two clamping frames is rotatably connected to a rolling rod, and the outer side walls of the two rolling rods are rollingly connected to the outer surface of the clamping block.
[0008] As a further preferred embodiment of the present technical solution, a sliding groove is provided on one side of the two mounting frames, and an inner wall of the sliding groove is slidably connected to one side of the cooling cover 1 and the cooling cover 2.
[0009] As a further preferred embodiment of the present technical solution, one side of the mounting frame is fixedly connected to a connecting frame, one side of the cooling cover one is fixedly connected to a fixing ear one, the inner wall of the fixing ear one is threadedly connected to a fixing bolt, one side of the outer wall of the fixing bolt is threadedly connected to a fixing ear two, and one side of the fixing ear two is fixedly connected to one side of the cooling cover two.
[0010] As a further preferred embodiment of the present technical solution, one side of the outer side wall of the hydraulic cylinder body is fixedly connected to an oil outlet pipe, and the other side of the outer side wall of the hydraulic cylinder body is fixedly connected to an oil inlet pipe.
[0011] The utility model provides a hydraulic cylinder capable of rapid cooling, which has the following beneficial effects:
[0012] (1) The utility model transfers the heat generated by the hydraulic cylinder body during use through the heat sink. When the heat dissipation fan is turned on, the external air enters the cooling cover 1 and the cooling cover 2 through the filter. The heat dissipation fan accelerates the gas flow in the cooling cover 1 and the cooling cover 2, and discharges the cooled gas from the exhaust hole, thereby improving the cooling efficiency of the hydraulic cylinder body and also improving the service life of the hydraulic cylinder body.
[0013] (2) The utility model loosens the fixing bolts to separate the fixing ear 2, the fixing ear 1 and the connecting frame, and removes the cooling cover 1 and the cooling cover 2 from the hydraulic cylinder body. Then, the cooling fan is pulled, and the clamping block squeezes the two rolling rods to both sides, thereby removing the clamping block from the clamping frame, making it convenient to remove the cooling fan from the cooling cover 2 for maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0015] Figure 2 It is a schematic diagram of the explosion structure of the utility model;
[0016] Figure 3 for Figure 2 A partial enlarged schematic diagram of the middle A area;
[0017] Figure 4 It is a three-dimensional structural schematic diagram of the hydraulic cylinder body in the utility model;
[0018] In the figure: 1. Hydraulic cylinder body; 2. Mounting frame; 3. Cooling cover 1; 4. Filter; 5. Exhaust hole; 6. Sliding groove; 7. Fixing ear 1; 8. Fixing bolt; 9. Cooling cover 2; 10. Fixing ear 2; 11. Heat sink; 12. Cooling fan; 13. Connecting frame; 14. Mounting plate; 15. Clamping frame; 16. Rolling rod; 17. Reset spring; 18. Block; 19. Oil outlet pipe; 20. Oil inlet pipe. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0020] The utility model provides a technical solution: Figure 1 - Figure 4 As shown, in the present embodiment, a hydraulic cylinder capable of rapid cooling comprises a hydraulic cylinder body 1, the outer side wall of the hydraulic cylinder body 1 is fixedly connected with a plurality of heat sinks 11, a cooling cover 1 3 is arranged on one side of the hydraulic cylinder body 1, a filter screen 4 is fixedly installed on the middle part of one side of the cooling cover 1 3, a cooling cover 2 9 is arranged on the other side of the cooling cover 1 3, a cooling fan 12 is fixedly installed on the middle part of one side of the cooling cover 2 9, both ends of the hydraulic cylinder body 1 are fixedly connected with a mounting frame 2, an exhaust hole 5 is penetrated through one side of the mounting frame 2, the heat generated by the hydraulic cylinder body 1 during use is transferred out through the heat sink 11, when the heat sink fan 12 is turned on, the external air enters the cooling cover 1 3 and the cooling cover 2 9 through the filter screen 4, the heat sink fan 12 accelerates the gas flow in the cooling cover 1 3 and the cooling cover 2 9, and discharges the cooling gas from the exhaust hole 5, thereby improving the cooling efficiency of the hydraulic cylinder body 1 and also improving the service life of the hydraulic cylinder body 1, wherein the cooling cover 1 3 and the cooling cover 2 9 have the same structure.
[0021] like Figure 2 and Figure 3 As shown, one side of the cooling cover 2 9 is fixedly connected with multiple mounting plates 14, one side of the multiple mounting plates 14 is rotatably connected with two clamping frames 15, the other side of the clamping frames 15 is fixedly connected with a return spring 17, and the four corners of one side of the cooling fan 12 are fixedly connected with a clamping block 18, and the clamping block 18 is located between the two clamping frames 15. By pulling the cooling fan 12, the clamping block 18 squeezes the two rolling rods 16 to both sides, thereby removing the clamping block 18 from the clamping frame 15, making it convenient to remove the cooling fan 12 from the cooling cover 2 9 for maintenance and replacement.
[0022] like Figure 3 As shown, one side of the two clamping frames 15 is rotatably connected with a rolling rod 16, and the outer side walls of the two rolling rods 16 are rollingly connected to the outer surface of the block 18. The rolling rod 16 rolls on the clamping frame 15, so that the block 18 can be easily removed.
[0023] like Figure 1 , Figure 2 and Figure 4 As shown, a sliding groove 6 is provided on one side of the two mounting frames 2, and the inner wall of the sliding groove 6 is slidably connected to one side of the cooling cover 1 3 and the cooling cover 2 9, and the sliding groove 6 is used to limit the cooling cover 1 3 and the cooling cover 2 9.
[0024] like Figure 1 and Figure 2 As shown, one side of the mounting frame 2 is fixedly connected to a connecting frame 13, one side of the cooling cover 3 is fixedly connected to a fixing ear 7, the inner wall of the fixing ear 7 is threadedly connected to a fixing bolt 8, one side of the outer wall of the fixing bolt 8 is threadedly connected to a fixing ear 2 10, one side of the fixing ear 2 10 is fixedly connected to one side of the cooling cover 2 9, and the fixing ear 2 10, the fixing ear 7 and the fixing bolt 8 are used to fix the cooling cover 3 and the cooling cover 2 9 on the mounting frame 2.
[0025] like Figure 2 and Figure 4 As shown, one side of the outer wall of the hydraulic cylinder body 1 is fixedly connected with an oil outlet pipe 19, and the other side of the outer wall of the hydraulic cylinder body 1 is fixedly connected with an oil inlet pipe 20. Through the cooperation of the oil inlet pipe 20 and the oil outlet pipe 19, the piston moves back and forth in the cylinder body.
[0026] The utility model provides a hydraulic cylinder capable of rapid temperature reduction, and the specific working principle is as follows:
[0027] When the hydraulic cylinder body 1 is used, the oil is firstly introduced into the hydraulic cylinder body 1 through the oil inlet pipe 20 and discharged from the oil outlet pipe 19 to realize the extension and contraction of the hydraulic cylinder body 1. After a period of use, the heat sink 11 transfers the heat generated by the hydraulic cylinder body 1 during use. When the heat dissipation fan 12 is turned on, the external air enters the cooling cover 1 3 and the cooling cover 2 9 through the filter screen 4. The heat dissipation fan 12 accelerates the gas flow in the cooling cover 1 3 and the cooling cover 2 9, and the cooled gas is discharged from the exhaust hole 5. , thereby cooling the hydraulic cylinder body 1. When the cooling fan 12 is used for a long time and needs to be replaced and repaired, loosen the fixing bolts 8 to separate the fixing ears 10, the fixing ears 1 7 and the connecting frame 13, remove the cooling cover 1 3 and the cooling cover 2 9 from the hydraulic cylinder body 1, and then pull the cooling fan 12. The block 18 squeezes the two rolling rods 16 to both sides, thereby taking the block 18 out of the clamping frame 15, making it convenient to remove the cooling fan 12 from the cooling cover 2 9 for repair and replacement.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hydraulic cylinder capable of rapid cooling, comprising a hydraulic cylinder body (1), characterized in that: The outer wall of the hydraulic cylinder body (1) is fixedly connected to a plurality of heat sinks (11); a cooling cover (3) is provided on one side of the hydraulic cylinder body (1); a filter (4) is fixedly installed in the middle of one side of the cooling cover (3); a cooling cover (9) is provided on the other side of the cooling cover (3); a cooling fan (12) is fixedly installed in the middle of one side of the cooling cover (9); both ends of the hydraulic cylinder body (1) are fixedly connected to a mounting frame (2); an exhaust hole (5) is opened through one side of the mounting frame (2).
2. A hydraulic cylinder capable of rapid cooling according to claim 1, characterized in that: A plurality of mounting plates (14) are fixedly connected to one side of the cooling cover (9); two clamping frames (15) are rotatably connected to one side of the plurality of mounting plates (14); a return spring (17) is fixedly connected to the other side of the clamping frame (15); and clamping blocks (18) are fixedly connected at the four corners of one side of the cooling fan (12); the clamping block (18) is located between the two clamping frames (15).
3. A hydraulic cylinder capable of rapid cooling according to claim 2, characterized in that: One side of the two clamping frames (15) is rotatably connected to a rolling rod (16), and the outer side walls of the two rolling rods (16) are rollingly connected to the outer surface of the clamping block (18).
4. The hydraulic cylinder capable of rapid cooling according to claim 1, characterized in that: A sliding groove (6) is provided on one side of the two mounting frames (2), and the inner wall of the sliding groove (6) is slidably connected to one side of the cooling cover 1 (3) and the cooling cover 2 (9).
5. The hydraulic cylinder capable of rapid cooling according to claim 1, characterized in that: One side of the mounting frame (2) is fixedly connected to a connecting frame (13), one side of the cooling cover (3) is fixedly connected to a fixing ear (7), an inner wall of the fixing ear (7) is threadedly connected to a fixing bolt (8), one side of an outer wall of the fixing bolt (8) is threadedly connected to a fixing ear (10), and one side of the fixing ear (10) is fixedly connected to one side of the cooling cover (9).
6. The hydraulic cylinder capable of rapid cooling according to claim 1, characterized in that: One side of the outer wall of the hydraulic cylinder body (1) is fixedly connected to an oil outlet pipe (19), and the other side of the outer wall of the hydraulic cylinder body (1) is fixedly connected to an oil inlet pipe (20).