A thermostat device arranged on a hydraulic oil tank

Abstract

The application discloses a constant temperature device arranged on a hydraulic oil tank, which comprises a cooling assembly arranged on the hydraulic oil tank; the cooling assembly comprises a water tank used for storing seawater as cooling water; and a water inlet pipe arranged on the water tank and used for sending seawater into the water tank; a plurality of groups of vertical cooling pipes are fixedly connected inside the hydraulic oil tank, and the plurality of groups of cooling pipes are uniformly distributed inside the hydraulic oil tank; the number of each group of cooling pipes is several; the plurality of cooling pipes are not communicated with each other, so that each cooling pipe is relatively independent compared with other cooling pipes; the upper end of each cooling pipe is communicated with the water tank, and the lower end of each cooling pipe protrudes from the lower surface of the hydraulic oil tank, so that the seawater in the water tank can flow into the cooling pipe as cooling water. The hydraulic water tank is cooled by the plurality of relatively independent cooling pipes, and better cooling effect can be achieved.

Description

Technical Field

[0001] This invention relates to the field of hydraulic pump station technology, and in particular to a constant temperature device installed on a hydraulic oil tank. Background Technology

[0002] A hydraulic pump station is a hydraulic power source device or a hydraulic device including control valves, consisting of a hydraulic pump, a drive motor, an oil tank, directional valves, throttle valves, and relief valves. It supplies oil according to the flow direction, pressure, and flow rate required by the drive device. It is suitable for various machines where the drive device is separate from the hydraulic pump station. By connecting the hydraulic pump station to the drive device (cylinder or motor) with oil pipes, the hydraulic system can achieve various specified actions.

[0003] The cooling devices in existing hydraulic pump stations generally adopt a dual-circulation structure for cooling. Because they use a dual-circulation structure and a heat exchange device, they occupy too much space, especially for hydraulic pump stations used in marine equipment. Since marine equipment is generally installed on offshore platforms, the space on the offshore platforms is limited, which makes conventional cooling devices troublesome to install and inconvenient to use. Summary of the Invention

[0004] This application provides a constant temperature device installed on a hydraulic oil tank, including a cooling component installed on the hydraulic oil tank; the cooling component includes a water tank for storing seawater as cooling water;

[0005] And the water inlet pipe installed on the tank, which is used to send seawater into the tank;

[0006] The hydraulic oil tank is fixedly connected to multiple sets of vertical cooling pipes, which are evenly distributed inside the hydraulic oil tank.

[0007] The number of cooling pipes in each group is several;

[0008] The multiple cooling pipes are not interconnected, making each cooling pipe relatively independent compared to the others;

[0009] The upper end of each cooling pipe is connected to the water tank, and the lower end of each cooling pipe protrudes from the lower surface of the hydraulic oil tank, allowing seawater in the water tank to enter the cooling pipe and flow as cooling water inside the cooling pipe.

[0010] The cooling water inside the multiple cooling pipes is not interconnected. The cooling water in each cooling pipe is formed by seawater from the water tank entering the cooling pipe from the top and then flowing out from the bottom of the cooling pipe into the sea.

[0011] By adopting the above technical solution, when the hydraulic pump station is applied to an offshore platform, because it uses a dual-circulation structure for cooling, it requires temperature exchangers, cooling equipment, etc., which would occupy a large space. However, the space on an offshore platform is limited, so a water tank is installed on the hydraulic oil tank. The water tank stores seawater as cooling water, using seawater locally, which does not occupy additional water resources. Moreover, the bottom surface of the water tank is in contact with the upper surface of the hydraulic oil tank, so the cooling water in the water tank can directly cool the hydraulic oil tank. Furthermore, the water tank is located on the upper surface of the hydraulic oil tank, and its depth is not required, so it does not occupy too much space. At the same time, multiple evenly distributed cooling pipes are installed inside the hydraulic oil tank, and the cooling pipes are connected to the water tank, allowing the seawater in the water tank to enter the cooling system. Cooling water is generated inside the pipes, and under the action of the cooling pipes, the cooling water can penetrate deep into the hydraulic oil tank, allowing it to cool the hydraulic oil deep inside the tank and achieve a better cooling effect. Multiple cooling pipes have independent inlets and outlets, so that each cooling pipe is independent of the others. The cooling water inside the cooling pipes does not flow between them. The cooling water enters from the inlet of the cooling pipe, flows through the hydraulic oil tank and flows out directly. The cooling water does not repeatedly pass through multiple cooling pipes, so the temperature of the cooling pipes inside the hydraulic oil tank is relatively low, eliminating the problem of uneven cooling and thus achieving better cooling of the hydraulic oil tank and achieving the best cooling effect. At the same time, because the hydraulic oil tank is located on the sea surface, seawater can be directly drawn for use as cooling water, thus avoiding the waste of water resources.

[0012] Optionally, the cooling pipe is in the shape of a spiral tube.

[0013] By adopting the above technical solution, the contact area between the cooling pipe and the hydraulic oil can be increased, the flow path length of the cooling water inside the hydraulic oil tank can be increased, and the cooling effect of the cooling pipe on the hydraulic oil can be improved.

[0014] Optionally, the water tank also contains multiple cleaning balls that can enter the cooling pipe. The surface of the cleaning balls is also evenly distributed with multiple cleaning blades, and the cleaning balls are tangent to the inner wall of the cooling pipe.

[0015] By adopting the above technical solution, since seawater is used as the cooling water, algae can easily grow on the inner wall of the cooling pipe after a long time. Therefore, a cleaning ball that can roll freely is provided. The cleaning ball rolls and falls inside the cooling pipe under its own weight and the action of water flow, so that the cleaning blades on the surface of the cleaning ball can clean the surface of the cooling pipe and reduce the probability of algae growth.

[0016] Optionally, the cleaning blades on the surface of the cleaning ball are evenly divided into eight parts, and the cleaning blades of each part are oriented differently.

[0017] By adopting the above technical solution, the rolling direction of the cleaning ball is uncontrollable. Therefore, the cleaning blades on the surface of the cleaning ball are divided into eight parts, each with a different cleaning blade orientation. This allows the cleaning ball to clean the inside of the cooling pipe regardless of which direction it rotates.

[0018] Optionally, a recovery assembly is provided below the hydraulic water tank to collect the cleaning balls flowing out of the cooling pipe.

[0019] The cost of the cleaning ball is relatively high when the above technical solution is adopted, so a recovery component is provided. The recovery component can recover the cleaning ball that falls from the bottom of the hydraulic tank, and then transport the cleaning ball into the water tank so that the cleaning ball can be circulated.

[0020] Optionally, the recycling assembly includes a filter plate located below the hydraulic water tank and a lifting belt located at one end of the filter plate.

[0021] The filter plate is mesh-like, allowing the remaining seawater to pass through. The filter plate is set at an angle, and the lifting belt is located at the lower angle of the filter plate.

[0022] The lifting belt is circular and vertically arranged, with rotating rollers at both ends. The rotation of the rotating rollers can drive the lifting belt to move.

[0023] The rotating roller has vertical plates at both ends, which are fixedly connected to the hydraulic oil tank. The two ends of the rotating roller are rotatably connected to the two vertical plates respectively, so that the rotating roller can rotate along its own axis.

[0024] The lower end of the lifting belt is located near the lower end of the filter plate, and the upper end of the lifting belt is higher than the upper surface of the water tank. The lifting belt can transport the cleaning balls into the water tank.

[0025] A lifting plate is fixedly connected to the surface of the lifting belt. The cleaning ball can roll onto the lifting plate, and the lifting plate drives the cleaning ball to rise.

[0026] By adopting the above technical solution, the filter plate allows the seawater flowing out of the cooling pipe to fall directly into the sea. The filter plate intercepts the cleaning balls falling out of the cooling pipe, allowing them to be collected and then sent back into the water tank through the cooperation of the lifting belt and the lifting plate, and then back into the cooling pipe, thus realizing the recycling of the cleaning balls. The inclined setting of the filter plate allows the cleaning balls to flow better to the lifting belt, preventing them from staying on the filter plate and further realizing the recycling of the cleaning balls.

[0027] Optionally, the filter plate is further provided with a shock-absorbing mesh inside, and the filter plate is provided with a round hole at the outlet end corresponding to the cooling pipe, the diameter of the round hole being larger than the diameter of the cleaning ball.

[0028] By adopting the above technical solution, the surface of the cleaning ball has cleaning blades. Therefore, if the cleaning ball falls directly onto the filter plate, it will damage the cleaning blades. The shock-absorbing mesh can play a role in shock absorption, which can prevent damage to the cleaning blades and increase the service life of the cleaning ball.

[0029] Optionally, the rotating roller and the vertical plate are connected together by a one-way bearing, so that the rotating roller can only rotate in one direction;

[0030] A connecting block is fixedly connected to one end of the shock-absorbing mesh near the lifting belt. Driven gears are coaxially connected to both ends of the rotating roller at the lower end of the lifting belt, and the tooth tips of the driven gears are inclined in the direction away from the rotation direction of the driven gears.

[0031] The end of the connecting block away from the damping mesh is integrally formed with a rack, which is located below the driven gear. The teeth of the rack are inclined towards the damping mesh, and the rack and the driven gear mesh.

[0032] A spring is connected to the end of the rack away from the connecting block, and a fixing plate is fixedly connected to the end of the spring away from the rack. The fixing plate and the vertical plate are fixedly connected.

[0033] By adopting the above technical solution, the shock-absorbing mesh protrudes downward under force, which causes the end connecting the shock-absorbing mesh and the rack to retract, thereby driving the rack to move. The movement of the rack can drive the driven gear to rotate, which in turn drives the rotating roller to rotate, causing the lifting belt to move. The lifting plate can drive the cleaning ball to move upward. Spring 1 can reset the rack, thereby converting the gravitational potential energy of the falling cleaning ball into the power to drive the lifting belt. No additional power equipment is required, increasing the service life of the recycling components.

[0034] In summary,

[0035] 1. The water tank is installed on the upper surface of the hydraulic oil tank. The cooling water inside the water tank is in contact with the upper surface of the hydraulic oil tank, which can achieve the purpose of cooling the hydraulic oil tank. In addition, the cooling water inside the water tank flows through the hydraulic oil tank through multiple independent cooling pipes, which can greatly improve the cooling effect.

[0036] 2. The water tank is equipped with multiple cleaning balls that can roll through the cooling pipes. The cleaning blades on the surface of the cleaning balls can clean the inside of the cooling pipes, preventing seawater used as cooling water from causing algae to grow on the inner wall of the cooling pipes. Attached Figure Description

[0037] Figure 1 This is a schematic diagram showing the state of the hydraulic oil tank located on the hydraulic pump station in the embodiment.

[0038] Figure 2 This is a schematic diagram of the hydraulic oil tank in the embodiment.

[0039] Figure 3This is a cross-sectional view highlighting the shape of the cooling pipe in the embodiment.

[0040] Figure 4 This is a schematic diagram of the cleaning ball in the embodiment.

[0041] Figure 5 This is a cross-sectional view highlighting the driven gear in the embodiment.

[0042] Figure 6 yes Figure 5 Enlarged view of section A.

[0043] Figure 7 This is a schematic diagram highlighting the driving component in the embodiment.

[0044] Figure 8 This is a schematic diagram of the horizontal plate in the embodiment.

[0045] Figure 9 yes Figure 7 Enlarged view of section B in the middle.

[0046] Explanation of reference numerals in the attached figures:

[0047] 1. Hydraulic pump station; 2. Hydraulic oil tank; 21. Cooling pipe; 3. Water tank; 4. Water inlet pipe; 5. Cleaning ball; 51. Cleaning blade; 6. Support assembly; 61. Support plate; 62. Support rod; 63. Vertical plate; 631. Support frame; 632. Water spray pipe; 64. Driven gear; 65. Rack; 66. Connecting block; 67. Rectangular plate; 68. Fixing plate; 69. Spring one; 7. Recycling assembly; 71. Filter plate; 711. Round hole; 72. Lifting belt; 73. Rotating roller; 74. Lifting plate; 75. Shock absorber net; 8. Horizontal plate; 81. Sliding block; 82. Slide groove; 83. Inclined surface; 9. Drive assembly; 91. Drive rod; 911. Limiting block; 912. Protrusion; 92. Connecting rod; 93. Drive disc; 94. Guide component; 95. Sliding part; 96. Telescopic groove; 961. Spring two; Detailed Implementation

[0048] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0049] The hydraulic pump station 1 is equipped with a hydraulic oil tank 2 for supplying oil. The hydraulic oil in the hydraulic oil tank 2 is supplied to the hydraulic cylinder and other equipment through the oil supply system in the hydraulic pump station 1 to perform their work.

[0050] This embodiment discloses a temperature control device installed on a hydraulic oil tank, referring to... Figure 1 and Figure 2The temperature control device includes a temperature control component mounted on the hydraulic oil tank 2. This component includes a water tank 3 on the upper surface of the hydraulic oil tank 2 and a water inlet pipe 4 on one side of the water tank 3. The water inlet pipe 4 draws seawater into the water tank 3 as cooling water. The bottom surface of the water tank 3 is the upper surface of the hydraulic oil tank 2, so the cooling water is in contact with the upper surface of the hydraulic oil tank 2, achieving the purpose of cooling the hydraulic oil tank 2 and maintaining a constant temperature. Using seawater as cooling water allows for direct, on-site availability, facilitating water use and avoiding waste. Furthermore, in the unique environment of the ocean, seawater is readily available, and its temperature remains relatively stable regardless of whether it's winter or summer. Using seawater as cooling water helps maintain the internal temperature of the hydraulic oil tank between 50 and 60 degrees Celsius, ensuring the hydraulic oil temperature is neither too high nor too low, thus facilitating its use.

[0051] Reference Figure 2 and Figure 3 The hydraulic oil tank 2 is equipped with multiple sets of vertically arranged cooling pipes 21, which are evenly distributed inside the hydraulic oil tank. Each set of cooling pipes 21 contains several pipes. The multiple cooling pipes 21 are set independently and connect the upper and lower surfaces of the hydraulic oil tank 2. Therefore, the upper end of the cooling pipe 21 is connected to the inside of the water tank 3. The cooling water in the water tank 3 can enter the cooling pipe 21, pass through the inside of the hydraulic oil tank 2, and flow out from the lower surface of the hydraulic oil tank 2. The multiple cooling pipes 21 are relatively independent, so they can be regarded as multiple condensers to cool the hydraulic oil inside the hydraulic oil tank 2, so that the cooling pipes 21 can better cool the hydraulic oil inside the hydraulic oil tank 2. The inlet and outlet of the multiple cooling pipes 21 are not connected to each other. Therefore, the cooling water in the water tank 3 enters each cooling pipe 21 to cool the inside of the hydraulic oil tank 2. The cooling water in the cooling pipe 21 only flows through the inside of the hydraulic oil tank 2 from top to bottom and does not flow repeatedly inside the hydraulic oil tank 2, so it can have a better cooling effect. The hydraulic pump station 1 in this application is used on the sea surface. Therefore, the water inlet pipe 4 directly draws seawater into the water tank 3 as cooling water, and then flows directly into the seawater from the lower surface of the hydraulic oil tank 2. Thus, it can achieve a better cooling effect without wasting water resources.

[0052] Reference Figure 3 and Figure 4The water tank 3 contains multiple cleaning balls 5. These balls enter the cooling pipe 21 with the water flow and fall downwards along the pipe under their own weight. The surface of each cleaning ball 5 has multiple cleaning blades 51 evenly distributed. As the ball rolls, these blades contact the inner wall of the cooling pipe 21, effectively cleaning it. Because seawater is used as the cooling water, over time, algae can easily grow on the inner wall of the cooling pipe 21, eventually causing blockage. Therefore, the cleaning balls 5 in the water tank 3 remove algae, preventing blockage. The cleaning blades 51 on the surface of each ball 5 are oriented differently. The surface of each ball 5 is divided into eight areas, each with a different blade orientation, allowing the ball to clean the cooling pipe 21 regardless of its direction of movement.

[0053] Reference Figure 2 and Figure 3 The water tank 3 is provided with a support component 6 on its outer side. The hydraulic oil tank 2 is installed on the hydraulic pump station 1. The support component 6 is connected to both the hydraulic oil tank 2 and the hydraulic pump station 1, so that the support component 6 can reinforce the installation of the hydraulic oil tank 2.

[0054] Reference Figure 3 and Figure 5 The support assembly 6 includes a rectangular support plate 61 and two support rods 62. The support plate 61 and support rods 62 are respectively located at both ends of the hydraulic oil tank 2. A recovery assembly 7 is provided on one side of the support rods 62. The recovery assembly 7 includes a filter plate 71 located below the hydraulic oil tank 2 and a lifting belt 72 located at one end of the filter plate 71. The recovery assembly 7 also includes two rotating rollers 73 located at one end of the hydraulic oil tank 2. The two rotating rollers 73 are arranged vertically, one above the other. The lifting belt 72 is arranged vertically in a ring shape and is sleeved on the two rotating rollers 73. Multiple evenly distributed lifting plates 74 are fixedly connected to the outer surface of the lifting belt 72. The lower end of the lifting belt 72 is located at one end of the filter plate 71. The upper end of the filter plate 71 is higher than the upper end of the water tank 3. The filter plate 71 is mesh-shaped, so the cooling water flowing down from the cooling pipe 21 can pass through the filter plate 71 and fall back into the sea. The cleaning ball 5 falling down from the cooling pipe 21 will be intercepted by the filter plate 71. The filter plate 71 is set at an angle, and the lifting belt 72 is located at the lower end of the filter plate 71. Therefore, the cleaning ball 5 will roll along the filter plate 71 to the lifting plate 74. The rotation of the lifting belt 72 can drive the lifting plate 74 to move, thereby making the lifting plate 74 lift the cleaning ball 5. The lifting belt 72 and the lifting plate 74 work together to lift the cleaning ball 5 and send it back into the water tank 3, realizing the recycling of the cleaning ball 5, so that the cleaning ball 5 can continuously clean the inner wall of the cooling pipe 21.

[0055] Reference Figure 3 and Figure 5 The lifting belt 72 is located between two support rods 62. Vertical plates 63 are fixedly connected to the side of the two support rods 62 away from the hydraulic oil tank 2. The rotating roller 73 is located between the two vertical plates 63. The two ends of the rotating roller 73 are rotatably connected to the two vertical plates 63, so that the rotating roller 73 can rotate along its own axis. Through the cooperation of the vertical plates 63 and the support rods 62, the rotating roller 73 and the lifting belt 72 can be installed on one side of the hydraulic oil tank 2.

[0056] Reference Figure 3 The filter plate 71 has multiple round holes 711, the diameter of which is larger than that of the cleaning ball. The round holes 711 are aligned with the lower outlet of the cooling pipe 21. A shock-absorbing mesh 75 is provided below the filter plate 71. The cleaning ball 5 falling from the cooling pipe 21 will pass through the round holes 711 and land on the shock-absorbing mesh 75, which can reduce the impact force of the cleaning ball 5 falling on the filter plate 71. This can reduce the impact between the cleaning blade 51 on the surface of the cleaning ball 5 and the filter plate 71, and prevent the cleaning blade 51 from failing to clean the inner wall of the cooling pipe 21 after multiple impacts.

[0057] Reference Figure 5 and Figure 6 Two vertical plates 63 are mounted on opposite sides with driven gears 64. A rack 65 is located below the driven gears 64, meshing with them. A connecting block 66 is integrally formed at the end of the rack 65 closest to the damping mesh 75, and the connecting block 66 is fixedly connected to the damping mesh 75. When the cleaning ball 5 falls from inside the cooling pipe 21, the water flow exerts a thrust on it, accelerating its descent. Therefore, the impact force of the cleaning ball 5 on the damping mesh 75 mainly comes from the impact force of the water flow. The cleaning ball 5 and the water flow together impact the damping mesh 75, causing the middle part of the damping mesh 75 to sag. At this time, one side of the damping mesh 75... The end of the shock absorber 75 is fixedly connected to the support plate 61. Therefore, when the shock absorber 75 is impacted, the end connected to the connecting block 66 will retract, thereby driving the rack 65 to move. The movement of the rack 65 can drive the driven gear 64 to rotate. The driven gear 64 is coaxially connected to the rotating roller 73, so it can drive the rotating roller 73 to rotate. Therefore, it can drive the lifting belt 72 to move. The lifting belt 72 drives the lifting plate 74 to move, so as to achieve the purpose of sending the cleaning ball 5 into the water tank 3. The power of the rotating roller 73 comes from the impact force generated by the water flow pushing the cleaning ball 5 to move. No additional power is required, which can increase the service life of the recycling component 7.

[0058] Reference Figure 6A rectangular plate 67 is fixedly connected to the end of the vertical plate 63 away from the support rod 62. A fixed plate 68 is fixedly connected to the lower end of the rectangular plate 67. A spring 69 is fixedly connected to the side of the fixed plate 68 near the rack 65. The end of the spring 69 away from the fixed plate 68 is fixedly connected to the rack 65. Therefore, when the damping net 75 is subjected to force, causing the rack 65 to move, the spring 69 stretches and stores force. When the gravitational potential energy of the cleaning ball 5 is zero, the spring 69 returns to its initial state and applies a pulling force to the rack 65, causing the rack 65 to move in the direction of movement. This, in turn, drives the damping net 75 to return to its initial state and supports the cleaning ball 5, causing the cleaning ball 5 to be pushed out of the round hole 711 by the damping net 75. This allows the cleaning ball 5 to roll on the filter plate 71, achieving the purpose of damping the cleaning ball 5 without causing the cleaning ball 5 to stay in the round hole 711.

[0059] Reference Figure 6 The teeth of the driven gear 64 are inclined in the direction opposite to the direction of rotation of the driven gear 64, while the teeth of the rack 65 are inclined in the direction of rotation of the driven gear 64. This ensures that the rack 65 can only drive the driven gear 64 to rotate when it moves in one direction, thus preventing the driven gear 64 from rotating during the rack 65's reset process. Consequently, the rotating roller 73 can only rotate in one direction. The bearing connecting the rotating roller 73 and the vertical plate 63 is a one-way bearing, further preventing the driven gear 64 from reversing.

[0060] Reference Figure 2 A support frame 631 is installed at the upper end of the vertical plate 63. The water inlet pipe 4 is installed on the support frame 631. Multiple water spray pipes 632 are installed at the end of the support frame 631 near the hydraulic oil tank 2. The water inlet pipe 4 brings seawater into the water spray pipes 632. The front end of the water spray pipe 632 is bent downward so that the water sprayed out by the water spray pipe 632 can impact the cleaning ball 5, thereby enabling the cleaning ball 5 on the lifting plate 74 to better detach from the lifting plate 74 and enter the water tank 3.

[0061] Meanwhile, in order to enable the cleaning ball 5 to better enter the multiple cooling pipes 21, the bottom surface of the water tank 3 can be set as an inclined bottom surface, with the end of the bottom surface of the water tank 3 closest to the water inlet pipe 4 as the upper end. This allows the cleaning ball 5 to roll away from the lifting belt 72 in the water tank 3 under the action of the inclined surface and the water flow, so that the cleaning ball 5 can enter the cooling pipes 21 for cleaning.

[0062] Reference Figure 7The interior of the water tank 3 is provided with several movable horizontal plates 8, and the outer wall of the water tank 3 is provided with a drive component 9 that can drive the horizontal plates 8 to move back and forth. Since there are four sets of cooling pipes 21 in this embodiment, three horizontal plates 8 are provided in this embodiment. The three horizontal plates 8 can intermittently block the three sets of cooling pipes 21 that are closest to the recycling component 7, so that when the cleaning ball 5 passes through the first three sets of cooling pipes 21, the cleaning ball 5 will be unable to enter, so that the cleaning ball 5 can also enter the set of cooling pipes 21 that is farthest from the recycling component 7.

[0063] Reference Figure 8 Both ends of the horizontal plate 8 are provided with sliders 81. The bottom of the sliders 81 is provided with recessed grooves 82. The grooves 82 can be fastened to the side wall of the water tank 3, so that the sliders 81 can slide on the side wall of the water tank 3. This allows the two ends of the horizontal plate 8 to be limited during the sliding process, and the horizontal plate 8 is not easy to deviate during the sliding process.

[0064] The horizontal plate 8 has an inclined surface 83 on the side near the recycling component 7. The presence of the inclined surface 83 can reduce the impact on the cleaning ball 5 during its rolling process, as well as the impact of the water flow, so that the cleaning ball 5 can pass over the horizontal plate 8 and continue rolling.

[0065] Reference Figure 7 The drive assembly 9 includes a drive rod 91, a connecting rod 92, and a drive disc 93. The drive disc 93 is rotatably mounted on the vertical plate 63 and coaxially connected to the rotating roller 73, so the drive disc 93 can rotate synchronously with the rotating roller 73. One end of the connecting rod 92 is rotatably connected to the eccentric part of the drive disc 93, and the other end of the connecting rod 92 is rotatably connected to the drive rod 91. The drive rod 91 is parallel to the side wall of the water tank 3, and the drive rod 91 is provided with a U-shaped guide 94. The guide 94 is fastened and fixed to the side wall of the water tank 3, so the guide 94 and the side wall of the water tank 3 form a guide groove, which can guide the drive rod 91 so that the drive rod 91 can only move laterally. The drive rod 91 can drive the slider 81 to move, thereby driving the horizontal plate 8 to move.

[0066] Reference Figure 9When there is only one horizontal plate 8, there is also one connecting rod 92. When there are multiple horizontal plates 8, there are also multiple connecting rods 92. Adjacent connecting rods 92 are slidably connected. The specific method of sliding connection is as follows: the ends of two adjacent connecting rods 92 that are close to each other abut against each other. The end of one connecting rod 92 has an integrally formed sliding part 95. The end of the other connecting rod 92 has a telescopic groove 96. The opening of the telescopic groove 96 has a stop block. The end of the sliding part 95 has a stop head, so that the sliding part 95 can move telescopically within the telescopic groove 96, but will not detach from the telescopic groove 96. Because the lengths of the sliding part 95 and the telescopic groove 96 are different, the movement of multiple horizontal plates 8 is not synchronized. Therefore, the horizontal plates 8 will not block different groups of cooling pipes 21 at the same time, which allows the cleaning ball 5 to enter the distant cooling pipe 21 better.

[0067] A second spring 961 is also fixedly connected inside the telescopic groove 96. The other end of the second spring 961 is fixedly connected to the end of the sliding part 95. When the sliding part 95 extends inside the telescopic groove 96, it will stretch the second spring 961. The stretching of the second spring 961 will cause it to be under force, and the retraction of the second spring 961 will accelerate the movement speed of the horizontal plate 8, thereby further preventing the multiple horizontal plates 8 from blocking the cooling pipes 21 of different groups at the same time.

[0068] Each drive rod 91 has a limiting block 911 fixed to the side wall of the water tank 3 on both the upper and lower sides. A semi-circular protrusion 912 is also fixedly connected to the upper and lower surfaces of the drive rod 91. The protrusion 912 can be limited by the limiting block 911, so that the sliding part 95 can slide in the telescopic groove 96. The sliding part 95 will not retract prematurely due to the second spring 961, ensuring that the second spring 961 can be stretched and stored. Therefore, the second spring 961 can apply a pulling force to the sliding part 95 and drive the sliding part 95 to move at a non-uniform speed.

[0069] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A temperature control device installed on a hydraulic oil tank, characterized in that: The system includes a cooling assembly mounted on the hydraulic oil tank (2); the cooling assembly includes a water tank (3) for storing seawater as cooling water; and an inlet pipe (4) mounted on the water tank (3) for feeding seawater into the water tank (3); multiple sets of vertical cooling pipes (21) are fixedly connected inside the hydraulic oil tank (2), and the multiple sets of cooling pipes (21) are evenly distributed inside the hydraulic oil tank (2); the number of each set of cooling pipes (21) is several; the multiple cooling pipes (21) are not interconnected, so that each cooling pipe (21) is relatively independent compared to other cooling pipes (21); the upper end of each cooling pipe (21) is connected to the water tank (3), and the lower end of each cooling pipe (21) protrudes from the lower surface of the hydraulic oil tank (2), so that the seawater in the water tank (3) can enter the cooling pipe (21) and flow as cooling water in the cooling pipe (21); The cooling water inside the multiple cooling pipes (21) will not be connected. The cooling water in each cooling pipe (21) is formed by seawater in the water tank (3) entering the cooling pipe (21) from the upper end and then flowing out from the lower end of the cooling pipe (21) into the sea. The water tank (3) is also filled with a number of cleaning balls (5), which can enter the cooling pipe (21). The surface of the cleaning balls (5) is also evenly distributed with a number of cleaning blades (51). Below the hydraulic oil tank is a recovery assembly (7), which is used to receive the cleaning balls (5) flowing out from the cooling pipe (21); The recycling assembly (7) includes a filter plate (71) located below the hydraulic oil tank and a lifting belt (72) located at one end of the filter plate (71); the filter plate (71) is mesh-shaped, allowing the remaining seawater to pass through, and the filter plate (71) is inclined, with the lifting belt (72) located at the lower end of the filter plate (71); the lifting belt (72) is annular and vertically arranged, with rotating rollers (73) at both ends of the lifting belt (72), and the rotation of the rotating rollers (73) can drive the lifting belt (72) to move; the rotating rollers (73) have vertical plates (63) at both ends, which are fixedly connected to the hydraulic oil tank (2), and the two ends of the rotating rollers (73) are rotatably connected to the two vertical plates (63) respectively, so that the rotating rollers (73) can rotate along their own axis; The lower end of the lifting belt (72) is located near the lower end of the filter plate (71), and the upper end of the lifting belt (72) is higher than the upper surface of the water tank (3). The lifting belt (72) can transport the cleaning ball (5) into the water tank (3). A lifting plate (74) is fixedly connected to the surface of the lifting belt (72). The cleaning ball (5) can roll onto the lifting plate (74), and the lifting plate (74) drives the cleaning ball (5) to rise.

2. The constant temperature device provided on a hydraulic oil tank according to claim 1, characterized in that: The cooling pipe (21) is in the shape of a spiral tube.

3. The constant temperature device provided on a hydraulic oil tank according to claim 1, characterized in that: The cleaning blades (51) on the surface of the cleaning ball (5) are evenly divided into eight parts, and the cleaning blades (51) of each part are oriented differently.

4. A constant temperature device installed on a hydraulic oil tank according to claim 1, characterized in that: The filter plate (71) is also provided with a shock-absorbing mesh (75) inside. The filter plate (71) is provided with a round hole (711) at the outlet end of the cooling pipe (21). The diameter of the round hole (711) is larger than the diameter of the cleaning ball (5).

5. A constant temperature device installed on a hydraulic oil tank according to claim 4, characterized in that: The rotating roller (73) and the vertical plate (63) are connected together by a one-way bearing, so that the rotating roller (73) can only rotate in one direction; a connecting block (66) is fixedly connected to one end of the shock-absorbing net (75) near the lifting belt (72), and driven gears (64) are coaxially connected to both ends of the rotating roller (73) at the lower end of the lifting belt (72), and the tooth tip of the driven gear is inclined away from the rotation direction of the driven gear (64); a rack (65) is integrally formed at the end of the connecting block (66) away from the shock-absorbing net (75), the rack (65) is located below the driven gear (64), the teeth of the rack (65) are inclined towards the shock-absorbing net (75), and the rack (65) and the driven gear (64) mesh; A spring (69) is connected to the end of the rack (65) away from the connecting block (66). A fixing plate (68) is fixedly connected to the end of the spring (69) away from the rack (65). The fixing plate (68) and the vertical plate (63) are fixedly connected.

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