Hydraulic oil cylinder facilitating automatic heat dissipation

Abstract

The invention discloses a hydraulic oil cylinder convenient for automatic heat dissipation, and belongs to the technical field of hydraulic oil cylinders, the hydraulic oil cylinder convenient for automatic heat dissipation comprises a hydraulic oil cylinder barrel; four oil cylinder flat heat pipes are fixed between the hydraulic oil cylinder bottom and the hydraulic oil cylinder head; heat dissipation mechanisms used for blowing air to the oil cylinder heat dissipation fins are arranged outside the hydraulic oil cylinder barrel, and ventilation mechanisms used for conducting one-way circulating air suction and air blowing through the heat dissipation mechanisms are arranged between the heat dissipation mechanisms. The heat dissipation mechanism and the ventilation mechanism are arranged, the heat dissipation mechanism presses down a corrugated air bag of the ventilation mechanism, and a cylindrical spring can reset the corrugated air bag, so that the corrugated air bag sucks air and blows air through an air inlet and an air outlet of the heat dissipation mechanism, one-way circulation of air flow is ensured, and the heat dissipation efficiency is improved by utilizing the air suction and blowing actions of the corrugated air bag. Therefore, the blown gas can accurately and fully act on radiating fins of the oil cylinder, the working temperature of the oil cylinder is effectively reduced, and the service life of the oil cylinder is prolonged.

Description

Technical Field

[0001] This invention belongs to the field of hydraulic cylinder technology, specifically relating to a hydraulic cylinder that facilitates automatic heat dissipation. Background Technology

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or oscillating motion). It has a simple structure and reliable operation. When used to achieve reciprocating motion, it eliminates the need for a speed reduction device and has no transmission backlash, resulting in smooth movement. Therefore, it is widely used in the hydraulic systems of various machines. The output force of a hydraulic cylinder is directly proportional to the effective area of ​​the piston and the pressure difference between its two sides. A hydraulic cylinder basically consists of a cylinder barrel and cylinder head, a piston and piston rod, a sealing device, a buffer device, and an exhaust device. The buffer device and exhaust device are determined according to the specific application, while the other devices are essential.

[0003] During prolonged operation, existing hydraulic cylinders generate significant heat due to internal oil friction and mechanical wear, leading to elevated oil temperature. Excessive hydraulic oil temperature results in decreased viscosity, deteriorated lubrication performance, accelerated aging of seals, and in severe cases, internal leakage or even system failure. Currently, two common methods are used to control oil temperature in engineering practice: one is forced air cooling using an external cooler and fan, and the other is increasing the oil tank volume to enhance natural heat dissipation. While the former can cool down quickly, it is energy-intensive and suffers from localized overheating. The latter is limited by installation space and is not suitable for compact equipment. Furthermore, the external fan only acts on the surface of the oil tank and cannot effectively remove the concentrated heat generated by the piston reciprocating motion inside the cylinder. Air cooling also requires continuous electrical energy to drive the fan, which is inconsistent with the trend of energy conservation. On the other hand, increasing the size of the oil tank significantly increases the overall weight and footprint of the equipment, limiting its application in confined working conditions.

[0004] Therefore, there is an urgent need to provide a hydraulic cylinder that can automatically dissipate heat to solve the above problems. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a hydraulic cylinder that is easy to automatically dissipate heat.

[0006] The technical solution adopted to solve the above technical problems is: a hydraulic cylinder that facilitates automatic heat dissipation, including a hydraulic cylinder barrel, a hydraulic cylinder bottom fixed at the bottom end of the hydraulic cylinder barrel, a hydraulic cylinder head fixed at the top end of the hydraulic cylinder barrel, and a hydraulic cylinder piston rod sealed inside the hydraulic cylinder barrel. Four cylinder flat heat pipes are fixed between the bottom of the hydraulic cylinder and the cylinder head of the hydraulic cylinder, and uniformly distributed cylinder cooling fins are welded and fixed to the outside of the four cylinder flat heat pipes. The hydraulic cylinder barrel is provided with a heat dissipation mechanism that blows air onto the cylinder's cooling fins, and a ventilation mechanism is provided between the heat dissipation mechanisms to perform unidirectional air intake and exhaust. One end of the heat dissipation mechanism and the ventilation mechanism is provided with a connecting mechanism that surrounds and fixes them, and the outside of the hydraulic cylinder piston rod is provided with a pressing mechanism that does not require additional power.

[0007] Through the above technical solution, when the piston rod of the hydraulic cylinder moves, it will generate heat with the cylinder barrel. The heat is then distributed to the cooling fins of the cylinder through the cylinder flat heat pipe, and the heat is quickly dissipated through the cooling fins.

[0008] Furthermore, the heat dissipation mechanism includes four vertical cylindrical guide rails that are fitted and installed between the heat dissipation fins of the four oil cylinders. Each of the four vertical cylindrical guide rails has a vertical cylindrical partition plate fixedly engaged inside, and each of the four vertical cylindrical guide rails has a lifting vertical rod slidably installed inside.

[0009] With the above technical solution, four vertical cylinder guide rails are respectively fitted between the four oil cylinder cooling fins, and the contact surface between the oil cylinder cooling fins and the vertical cylinder guide rails is inclined to facilitate quick assembly and disassembly. The vertical cylinder partition plate closes the opening on one side of the vertical cylinder guide rail, and the lifting rod can be raised and lowered smoothly through the vertical cylinder guide rails.

[0010] Furthermore, fixed rotating plates are fixed on both sides of the vertical cylinder guide rail, and lifting rotating plates are fixed on both sides of the lifting vertical rod.

[0011] The above technical solution involves installing a ventilation mechanism using a fixed rotating plate and a lifting rotating plate, with the lifting vertical rod driving the lifting rotating plate to rise and fall accordingly.

[0012] Furthermore, a first rubber gasket is glued and fixed to the air outlets on both sides of the vertical cylinder guide rail, a second rubber gasket is glued and fixed to the air inlet on one side of the vertical cylinder partition plate, and vertical cylinder air vents are provided on both sides of the vertical cylinder guide rail.

[0013] Through the above technical solution, the vertical cylinder partition plate and the vertical cylinder guide rail form multiple relatively sealed transfer spaces. When gas enters the transfer space through the air inlet, the second rubber gasket is located inside the transfer space, causing the air to blow it open, allowing air to enter the transfer space. At the same time, the first rubber gasket is located outside the transfer space, causing the air to tightly seal the first rubber gasket against the air outlet, preventing air from entering the transfer space. Similarly, when gas is discharged through the air outlet, the air blows the first rubber gasket open, allowing air to exit from the transfer space. At the same time, the air tightly seals the second rubber gasket against the air inlet, preventing air from exiting from the transfer space, ensuring unidirectional airflow circulation, so that the blown gas can accurately and fully act on the oil cylinder cooling fins.

[0014] Furthermore, the ventilation mechanism includes an arc-shaped connecting plate rotatably mounted between two fixed rotating plates, an arc-shaped lifting plate rotatably mounted between the two lifting rotating plates, two connecting rods fixed to the top of the arc-shaped connecting plate, the outer side of the connecting rods being rotatably connected to one end of the arc-shaped connecting plate, the arc-shaped lifting plate and the lifting rotating plate respectively, and a columnar spring being sleeved on the outer side of each of the two connecting rods.

[0015] Through the above technical solution, the lifting plate drives the arc-shaped lifting plate to rise and fall accordingly. The arc-shaped lifting plate rises and falls stably through the connecting rod. When the arc-shaped lifting plate descends, it squeezes the columnar spring. When the arc-shaped lifting plate is released, the columnar spring rebounds and drives the arc-shaped lifting plate to rise.

[0016] Furthermore, a ventilation base is fixed to the top of the arc-shaped connecting plate, a corrugated airbag is fixed between the ventilation base and the arc-shaped lifting plate, and ventilation pipes are fixed on both sides of the ventilation base, with one end of the ventilation pipe connected to the vertical cylinder ventilation port.

[0017] Through the above technical solution, the arc-shaped lifting plate drives the corrugated airbag to rise and fall accordingly. The corrugated airbag rises and falls stably through the ventilation base. The corrugated airbag and the ventilation base draw in and blow out air through the ventilation pipe, thereby drawing in and blowing out air into the transfer space.

[0018] Furthermore, the connecting mechanism includes a first rod frame disposed on one side of the arc-shaped connecting plate, a uniformly distributed spring plug fixed on one side of the first rod frame, a second rod frame attached to one side of the first rod frame, and a spring pad plate with one end penetrating through and extending to the spring plugs fixed on one side of the second rod frame.

[0019] Through the above technical solution, the first frame connects the fixed rotating plate and the arc-shaped connecting plate through the spring plug, and the first frame also connects the lifting rotating plate and the arc-shaped lifting plate through the spring plug. The second frame supports the two spring plugs through the spring pad, and the first and second frames are fixed with screws, thus completing the connection between the heat dissipation mechanism and the ventilation mechanism. Similarly, when disassembling the heat dissipation mechanism and the ventilation mechanism, loosen the screws of the first and second frames, separate the first and second frames, and pull the first frame by hand to remove the spring plug.

[0020] Furthermore, the compression mechanism includes a piston rod collar sleeved on the outside of the piston rod of the hydraulic cylinder. A collar sealing ring is fixed inside the piston rod collar, and four mounting guide rails are fixed on the outside of the piston rod collar. A guide rail mounting block is fixed at one end of each of the four mounting guide rails.

[0021] With the above technical solution, when the hydraulic cylinder piston rod descends to the bottom, it will squeeze the piston rod collar, causing the piston rod collar to drive the four mounting guide rails to descend.

[0022] Furthermore, circular sliders are slidably mounted inside the four mounting rails, and a first folding rod is rotatably mounted at the bottom end of the circular slider. A second folding rod is rotatably mounted between one end of the first folding rod and the top end of the rail mounting block.

[0023] With the above technical solution, when the circular slider descends, it drives the first and second folding rods to fold, so that one end of the first and second folding rods connects to the lifting vertical rod. This allows the mounting rail to drive the lifting vertical rod to rise and fall accordingly via the folding rods. When disassembling the heat dissipation and ventilation mechanisms, the screws connecting the circular slider and the guide rail mounting block are removed, and the circular slider is moved upward by hand, so that the first and second folding rods are no longer connected to the lifting vertical rod, thus facilitating the disassembly of the heat dissipation and ventilation mechanisms.

[0024] The beneficial effects of this invention are as follows: (1) The present invention is provided with a heat dissipation mechanism and a ventilation mechanism. It is driven by the reciprocating motion of the oil cylinder itself without the need for additional power input. The heat dissipation mechanism presses down on the corrugated air bag of the ventilation mechanism, and the column spring will reset the corrugated air bag, so that the corrugated air bag can draw in and blow air through the air inlet and air outlet of the heat dissipation mechanism, and ensure that the airflow is unidirectionally circulated. By using the air inlet and air outlet action of the corrugated air bag, the blown air can act precisely and fully on the oil cylinder heat dissipation fins, effectively reducing the temperature of the oil cylinder during operation and extending its service life. (2) By providing a connecting mechanism and a pressing mechanism, and by using quick-release connections for each component, the heat dissipation mechanism and the ventilation mechanism can be easily removed, making it convenient for staff to perform daily maintenance, repair and replacement of each component when necessary. (3) By providing a compression mechanism and a heat dissipation mechanism, when the piston rod retracts inward, it will press down on the piston rod collar, thereby driving the compression mechanism to press down on the heat dissipation mechanism. No additional power source is required, avoiding additional energy consumption and reducing equipment operating costs. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is an exploded structural diagram of the present invention; Figure 3 This is a schematic diagram of the heat dissipation mechanism, ventilation mechanism, and connection mechanism of the present invention; Figure 4 This is a schematic diagram of the unfolded structure of the heat dissipation mechanism, ventilation mechanism and connecting mechanism of the present invention; Figure 5 This is a partial structural diagram of the heat dissipation mechanism and ventilation mechanism of the present invention; Figure 6 This is a schematic diagram of the ventilation mechanism structure of the present invention; Figure 7 This is an exploded view of the connection mechanism of the present invention; Figure 8 This is an exploded view of the heat dissipation mechanism of the present invention; Figure 9 This is a schematic diagram of the compression mechanism of the present invention; Figure 10 This is a partial structural diagram of the compression mechanism of the present invention; Figure 11 This is a cross-sectional structural diagram of the heat dissipation mechanism and the compression mechanism of the present invention; Figure 12 yes Figure 11 A magnified view of a portion of point A in the middle.

[0026] Reference numerals: 1. Hydraulic cylinder barrel; 2. Hydraulic cylinder bottom; 3. Hydraulic cylinder head; 4. Hydraulic cylinder piston rod; 5. Cylinder flat heat pipe; 6. Cylinder cooling fins; 7. Cooling mechanism; 701. Vertical cylinder guide rail; 702. Vertical cylinder partition plate; 703. Lifting vertical rod; 704. Fixed rotating plate; 705. Lifting rotating plate; 706. First rubber gasket; 707. Second rubber gasket; 708. Vertical cylinder vent; 8. Ventilation mechanism; 801. Arc-shaped connecting plate; 802. Arc-shaped lifting plate; 803. Connecting rod; 804. Cylindrical spring; 805. Ventilation base; 806. Corrugated airbag; 807. Ventilation duct; 9. Connecting mechanism; 901. First rod frame; 902. Spring plug; 903. Second rod frame; 904. Spring pad; 10. Compression mechanism; 1001. Piston rod collar; 1002. Collar sealing ring; 1003. Mounting guide rail; 1004. Guide rail mounting block; 1005. Circular slider; 1006. First folding rod; 1007. Second folding rod. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0028] like Figures 1-12As shown, this embodiment of a hydraulic cylinder for easy automatic heat dissipation includes a hydraulic cylinder barrel 1, a hydraulic cylinder bottom 2 fixed to the bottom end of the hydraulic cylinder barrel 1, a hydraulic cylinder head 3 fixed to the top end of the hydraulic cylinder barrel 1, and a hydraulic cylinder piston rod 4 sealed inside the hydraulic cylinder barrel 1. Four cylinder flat heat pipes 5 are fixed between the hydraulic cylinder bottom 2 and the hydraulic cylinder head 3, and uniformly distributed cylinder cooling fins 6 are welded and fixed to the outside of each of the four cylinder flat heat pipes 5. A heat dissipation mechanism 7 for blowing air onto the cylinder cooling fins 6 is provided outside the hydraulic cylinder barrel 1. The heat dissipation mechanism 7 includes four vertical cylindrical guide rails 701 fitted between the four cylinder cooling fins 6. Each of the four vertical guide rails 701 has a vertical divider plate 702 fixedly engaged inside. Each of the four vertical guide rails 701 has a lifting vertical rod 703 slidably mounted inside. A fixed rotating plate 704 is fixed to both sides of each vertical guide rail 701, and a lifting rotating plate 705 is fixed to both sides of each lifting vertical rod 703. A first rubber gasket 706 is adhered and fixed to the air outlets on both sides of each vertical guide rail 701. A second rubber gasket 707 is adhered and fixed to the air inlet on one side of each vertical divider plate 702. Vertical guide rails 701 have vertical vents 708 on both sides. When the hydraulic cylinder piston rod 4 moves, it generates heat with the hydraulic cylinder barrel 1. This heat is dispersed to the cylinder cooling fins 6 through the cylinder flat heat pipe 5. The upper part of the cylinder is rapidly cooled by the oil cylinder cooling fins 6. Four vertical cylindrical guide rails 701 are respectively fitted between the four oil cylinder cooling fins 6, and the contact surfaces between the oil cylinder cooling fins 6 and the vertical cylindrical guide rails 701 are inclined to facilitate quick assembly and disassembly. The vertical cylinder partition plate 702 closes one opening of the vertical cylindrical guide rail 701. The lifting rod 703 can be smoothly raised and lowered through the vertical cylindrical guide rail 701. The vertical cylinder partition plate 702 and the vertical cylindrical guide rail 701 form multiple relatively sealed transfer spaces. When gas enters the transfer space through the air inlet, the second rubber gasket 707 is located inside the transfer space, causing the air to blow open the second rubber gasket 707, allowing air to enter the transfer space. Meanwhile, since the first rubber pad 706 is located outside the transfer space, the air will tightly seal the first rubber pad 706 with the air outlet, preventing the air from entering the transfer space. Similarly, when the gas is discharged through the air outlet, the air will blow the first rubber pad 706 open, allowing the air to be discharged from the transfer space. At the same time, the air will tightly seal the second rubber pad 707 with the air inlet, preventing the air from being discharged from the transfer space, ensuring unidirectional airflow circulation. This allows the blown gas to act precisely and fully on the oil cylinder cooling fins 6. The ventilation mechanism 8 is installed by fixing the rotating plate 704 and lifting the rotating plate 705. The lifting vertical rod 703 drives the lifting rotating plate 705 to rise and fall accordingly.

[0029] like Figures 3-8As shown, a ventilation mechanism 8 is provided between the heat dissipation mechanisms 7 for unidirectional air intake and exhaust; the ventilation mechanism 8 includes an arc-shaped connecting plate 801 rotatably mounted between two fixed rotating plates 704, an arc-shaped lifting plate 802 rotatably mounted between two lifting rotating plates 705, two connecting rods 803 fixed to the top of the arc-shaped connecting plate 801, the outside of the connecting rods 803 being rotatably connected to one end of the arc-shaped connecting plate 801, the arc-shaped lifting plate 802, and the lifting rotating plate 705 respectively, and a cylindrical spring 804 sleeved on the outside of each of the two connecting rods 803, a ventilation base 805 fixed to the top of the arc-shaped connecting plate 801, a corrugated airbag 806 fixed between the ventilation base 805 and the arc-shaped lifting plate 802, and two other airbags fixed to both sides of the ventilation base 805. Ventilation duct 807, one end of which is connected to vertical cylinder ventilation port 708. Lifting vertical rod 703 drives lifting rotating plate 705 to rise and fall accordingly. Lifting rotating plate 705 drives arc-shaped lifting plate 802 to rise and fall accordingly. Arc-shaped lifting plate 802 is stably raised and lowered through connecting rotating rod 803. When arc-shaped lifting plate 802 descends, it compresses column spring 804. When arc-shaped lifting plate 802 is released, column spring 804 rebounds, driving arc-shaped lifting plate 802 to rise. Arc-shaped lifting plate 802 drives corrugated airbag 806 to rise and fall accordingly. Corrugated airbag 806 is stably raised and lowered through ventilation base 805. Corrugated airbag 806 and ventilation base 805 draw in and blow out air through ventilation duct 807, thereby drawing in and blowing out air into the transfer space.

[0030] like Figure 4 and Figure 7 As shown, one end of the heat dissipation mechanism 7 and the ventilation mechanism 8 is provided with a connecting mechanism 9 that surrounds and fixes them. The connecting mechanism 9 includes a first rod 901 located on one side of the arc-shaped connecting plate 801. A uniformly distributed spring plug 902 is fixed to one side of the first rod 901. A second rod 903 is attached to one side of the first rod 901. A spring pad 904, with one end penetrating and extending between the spring plugs 902, is fixed to one side of the second rod 903. The first rod 901 connects the fixed rotating plate 704 and the arc-shaped connecting plate 801 through the spring plugs 902. The spring plug 902 connects the lifting plate 705 and the arc-shaped lifting plate 802. The second rod 903 supports the two spring plugs 902 through the spring pad 904. The first rod 901 and the second rod 903 are fixed by screws, completing the connection between the heat dissipation mechanism 7 and the ventilation mechanism 8. Similarly, when disassembling the heat dissipation mechanism 7 and the ventilation mechanism 8, loosen the screws of the first rod 901 and the second rod 903, separate the first rod 901 and the second rod 903, and pull the first rod 901 by hand to remove the spring plug 902.

[0031] like Figures 9-12As shown, the hydraulic cylinder piston rod 4 is externally equipped with a pressing mechanism 10 that requires no additional power. The pressing mechanism 10 includes a piston rod collar 1001 sleeved on the outside of the hydraulic cylinder piston rod 4. A collar sealing ring 1002 is fixed inside the piston rod collar 1001. Four mounting guide rails 1003 are fixed on the outside of the piston rod collar 1001. A guide rail mounting block 1004 is fixed to one end of each of the four mounting guide rails 1003. A circular slider 1005 is slidably mounted inside the four mounting guide rails 1003. A first folding rod 1006 is rotatably mounted on the bottom end of the circular slider 1005. A second folding rod 1007 is rotatably mounted between one end of the first folding rod 1006 and the top end of the guide rail mounting block 1004. When the circular slider 1005 descends and is fixed to the guide rail mounting block 1004 by screws, the circular slider 1005... 05 will drive the first folding rod 1006 and the second folding rod 1007 to fold, so that one end of the first folding rod 1006 and the second folding rod 1007 are connected to the lifting vertical rod 703. When the hydraulic cylinder piston rod 4 descends to the bottom, it will squeeze the piston rod collar 1001, so that the piston rod collar 1001 drives the four mounting rails 1003 to descend, so that the mounting rails 1003 can drive the lifting vertical rod 703 to rise and fall accordingly through the folding rod. When disassembling the heat dissipation mechanism 7 and the ventilation mechanism 8, remove the screws connecting the ring slider 1005 and the guide rail mounting block 1004, and move the ring slider 1005 upward by hand, so that the first folding rod 1006 and the second folding rod 1007 are no longer connected to the lifting vertical rod 703, thereby facilitating the disassembly of the heat dissipation mechanism 7 and the ventilation mechanism 8.

[0032] The working principle of this embodiment is as follows: When the hydraulic cylinder piston rod 4 moves, it generates heat with the hydraulic cylinder barrel 1. The heat is dispersed to the cylinder cooling fins 6 through the cylinder flat heat pipe 5, and the heat is quickly dissipated through the cylinder cooling fins 6. When the hydraulic cylinder piston rod 4 descends to the bottom, it squeezes the piston rod collar 1001, causing the piston rod collar 1001 to drive the four mounting guide rails 1003 to descend. The mounting guide rails 1003 drive the lifting vertical rod 703 to rise and fall accordingly through the folding rod. The lifting vertical rod 703 can rise and fall smoothly through the vertical cylinder guide rail 701. The lifting vertical rod 703 drives the lifting rotating plate 705 to rise and fall accordingly. The lifting rotating plate 705 drives the arc-shaped lifting plate 802 to rise and fall accordingly. The arc-shaped lifting plate 802 is connected to the rotating rod. 803 stabilizes the lifting mechanism. When the arc-shaped lifting plate 802 descends, it compresses the cylindrical spring 804. When the arc-shaped lifting plate 802 releases, the cylindrical spring 804 rebounds, driving the arc-shaped lifting plate 802 to rise. This causes the arc-shaped lifting plate 802 to move the corrugated airbag 806 up and down accordingly. The corrugated airbag 806 stabilizes the lifting mechanism via the ventilation base 805. The corrugated airbag 806 and the ventilation base 805 are connected by a ventilation pipe 807 for air intake and exhaust, thereby absorbing and expelling air from the transfer space. When air enters the transfer space through the air inlet, the second rubber pad 707, located inside the transfer space, blows open the second rubber pad 707, allowing air to enter the transfer space. Simultaneously, the first rubber pad 706... Outside the transfer space, air will tightly seal the first rubber gasket 706 against the air outlet, preventing air from entering the transfer space. Similarly, when gas is discharged through the air outlet, the air will blow the first rubber gasket 706 open, allowing air to escape from the transfer space. At the same time, the air will tightly seal the second rubber gasket 707 against the air inlet, preventing air from escaping from the transfer space. This ensures unidirectional airflow circulation, allowing the blown gas to accurately and fully act on the oil cylinder cooling fins 6, thereby accelerating the heat dissipation effect of the oil cylinder cooling fins 6. When disassembling the heat dissipation mechanism 7 and the ventilation mechanism 8, remove the screws connecting the circular slider 1005 and the guide rail mounting block 1004, and manually move the circular slider 1005 upwards, causing the first folding rod 1006 to... The second folding rod 1007 is no longer connected to the lifting vertical rod 703. Loosen the screws of the first rod frame 901 and the second rod frame 903 to separate them. Pull the first rod frame 901 by hand to remove the spring plug 902. The four vertical cylinder guide rails 701 are respectively fitted between the four oil cylinder cooling fins 6, and the contact surface between the oil cylinder cooling fins 6 and the vertical cylinder guide rails 701 is inclined to facilitate the removal of the heat dissipation mechanism 7 and the ventilation mechanism 8 from between the four oil cylinder cooling fins 6. Then, the staff performs routine maintenance and inspection on each component, and then installs the heat dissipation mechanism 7 and the ventilation mechanism 8. The first rod frame 901 is connected to the fixed rotating plate 704 and the arc-shaped connecting plate 801 through the spring plug 902.The first support frame 901 connects the lifting rotating plate 705 and the arc-shaped lifting plate 802 via a spring-loaded plug 902. The second support frame 903 supports the two spring-loaded plugs 902 via a spring-loaded pad 904. The first and second support frames 901 and 903 are fixed with screws, completing the connection between the heat dissipation mechanism 7 and the ventilation mechanism 8. The circular slider 1005 is fixed to the guide rail mounting block 1004 with screws. The circular slider 1005 drives the first folding rod 1006 and the second folding rod 1007 to fold, so that one end of the first folding rod 1006 and the second folding rod 1007 connects to the lifting vertical rod 703, completing routine maintenance and repair work.

[0033] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention.

Claims

1. A hydraulic cylinder that facilitates automatic heat dissipation, comprising a hydraulic cylinder barrel (1), characterized in that: The bottom end of the hydraulic cylinder barrel (1) is fixed with a hydraulic cylinder bottom (2), the top end of the hydraulic cylinder barrel (1) is fixed with a hydraulic cylinder head (3), and the inside of the hydraulic cylinder barrel (1) is sealed with a hydraulic cylinder piston rod (4). Four cylinder flat heat pipes (5) are fixed between the bottom (2) and the head (3) of the hydraulic cylinder. The four cylinder flat heat pipes (5) are all welded and fixed with uniformly distributed cylinder heat dissipation fins (6). The cylinder barrel (1) of the hydraulic cylinder is provided with a heat dissipation mechanism (7) for blowing air onto the cylinder heat dissipation fins (6), and a ventilation mechanism (8) is provided between the heat dissipation mechanisms (7) for unidirectional circulation air intake and blowing. One end of the heat dissipation mechanism (7) and the ventilation mechanism (8) is provided with a connecting mechanism (9) for fixing them around it, and the outside of the hydraulic cylinder piston rod (4) is provided with a pressing mechanism (10) that does not require additional power.

2. The hydraulic cylinder for easy automatic heat dissipation according to claim 1, characterized in that, The heat dissipation mechanism (7) includes four vertical cylindrical guide rails (701) fitted between the heat dissipation fins (6) of the four oil cylinders. Each of the four vertical cylindrical guide rails (701) has a vertical cylindrical partition plate (702) snapped into its interior. Each of the four vertical cylindrical guide rails (701) has a lifting vertical rod (703) slidably installed inside its interior.

3. The hydraulic cylinder for easy automatic heat dissipation according to claim 2, characterized in that, The vertical guide rail (701) is fixed with a fixed rotating plate (704) on both sides, and the lifting vertical rod (703) is fixed with a lifting rotating plate (705) on both sides.

4. The hydraulic cylinder for easy automatic heat dissipation according to claim 3, characterized in that, The air outlets on both sides of the vertical cylinder guide rail (701) are fixed with a first rubber gasket (706), and the air inlet on one side of the vertical cylinder partition plate (702) is fixed with a second rubber gasket (707). Both sides of the vertical cylinder guide rail (701) are provided with vertical cylinder air vents (708).

5. The hydraulic cylinder for easy automatic heat dissipation according to claim 4, characterized in that, The ventilation mechanism (8) includes an arc-shaped connecting plate (801) rotatably mounted between two fixed rotating plates (704), and an arc-shaped lifting plate (802) rotatably mounted between the two lifting rotating plates (705). Two connecting rods (803) are fixed at the top of the arc-shaped connecting plate (801). The outside of the connecting rods (803) is rotatably connected to one end of the arc-shaped connecting plate (801), the arc-shaped lifting plate (802), and the lifting rotating plate (705), respectively. A columnar spring (804) is sleeved on the outside of the two connecting rods (803).

6. The hydraulic cylinder for easy automatic heat dissipation according to claim 5, characterized in that, A ventilation base (805) is fixed to the top of the arc-shaped connecting plate (801). A corrugated airbag (806) is fixed between the ventilation base (805) and the arc-shaped lifting plate (802). Ventilation pipes (807) are fixed on both sides of the ventilation base (805). One end of the ventilation pipe (807) is connected to the vertical cylinder ventilation port (708).

7. The hydraulic cylinder for easy automatic heat dissipation according to claim 5, characterized in that, The connecting mechanism (9) includes a first rod (901) disposed on one side of the arc-shaped connecting plate (801), a uniformly distributed spring plug (902) fixed on one side of the first rod (901), a second rod (903) attached to one side of the first rod (901), and a spring pad (904) with one end passing through and extending to the spring plug (902) fixed on one side of the second rod (903).

8. The hydraulic cylinder for easy automatic heat dissipation according to claim 1, characterized in that, The compression mechanism (10) includes a piston rod collar (1001) sleeved on the outside of the piston rod (4) of the hydraulic cylinder. A collar sealing ring (1002) is fixed inside the piston rod collar (1001). Four mounting guide rails (1003) are fixed on the outside of the piston rod collar (1001). A guide rail mounting block (1004) is fixed at one end of each of the four mounting guide rails (1003).

9. The hydraulic cylinder for easy automatic heat dissipation according to claim 8, characterized in that, A circular slider (1005) is slidably mounted inside the four mounting rails (1003). A first folding rod (1006) is rotatably mounted at the bottom end of the circular slider (1005). A second folding rod (1007) is rotatably mounted between one end of the first folding rod (1006) and the top end of the rail mounting block (1004).

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