Universal hydraulic cylinder oil way device

Abstract

The utility model relates to the technical field of hydraulic cylinders, in particular to a universal hydraulic cylinder oil way device, which comprises a hydraulic cylinder, a hydraulic oil way, a hydraulic oil way, a hydraulic oil way, a hydraulic oil way, a hydraulic oil way and a hydraulic oil way. An inner cavity for accommodating hydraulic oil is formed in the inner side of the multi-way control valve; communication ports are formed in the top, the front portion, the rear portion, the left portion and the right portion of the inner cavity, communication valves are installed in the communication ports, and pipelines are inserted into the communication ports, communicate with the communication ports and are used for circulating flowing of hydraulic oil; accurate positioning and stable installation of the multi-way control valve on the hydraulic cylinder are guaranteed through the supporting legs and the positioning holes, the influence of equipment movement and vibration on a system is reduced, the cooling efficiency is remarkably improved through the cooling assembly and the fan, the working temperature of the hydraulic system is effectively maintained, and the performance problem caused by overheating is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic cylinders, in particular to a universal hydraulic cylinder oil circuit device. Background Art

[0002] At present, in order to connect a hydraulic cylinder to a pipeline, pipeline connection ports are provided at both ends of the hydraulic cylinder. The hydraulic cylinder pipeline interfaces are usually fixedly arranged at both ends of the hydraulic cylinder. Therefore, a certain space size is required at the connection of the pipe joint to the oil pipe and the hydraulic cylinder. However, when multiple hydraulic cylinders need to be arranged locally on a mechanical device, such as three hydraulic cylinders are locally arranged in front of the bucket of a slag raking machine. Due to the large number of hydraulic cylinders and the fixed oil pipe interfaces at both ends, the arrangement of the oil pipes is greatly affected. Usually, a larger space is required to arrange the oil pipes or additional pipeline arrangement devices are added. Otherwise, the arrangement of too long or too many pipelines will interfere with the operation of the equipment. Therefore, the use of a multi-way control valve can solve the above problems. However, when in use, the temperature of the hydraulic oil is inconsistent when flowing through different hydraulic cylinders, which easily causes the use effect of the hydraulic oil to decline. Based on this, the present application provides a universal hydraulic cylinder oil circuit device. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a universal hydraulic cylinder oil circuit device, which solves the problem of low regulation accuracy of the temperature change of the hydraulic oil by using a multi-way control valve in the prior art.

[0004] The universal hydraulic cylinder oil circuit device of the utility model includes:

[0005] A hydraulic cylinder, the hydraulic cylinder includes a cylinder body, and two connection ports are arranged at the top of the cylinder body for the circulation of hydraulic oil;

[0006] A multi-way control valve, an inner cavity for accommodating hydraulic oil is arranged inside the multi-way control valve;

[0007] Communication ports are opened at the top, front and back, left and right of the inner cavity, and a communication valve is installed at the communication ports. A pipeline is inserted at the communication ports, and the pipeline is communicated with the connection ports for the circulating flow of hydraulic oil.

[0008] As a further improvement of the utility model, an inner shell is arranged on the inner side of the outer surface of the multi-way control valve, the inner cavity is arranged in the inner shell, and the communication ports opened at the inner cavity extend to the outside of the outer surface.

[0009] As a further improvement of the utility model, a fixed distance is maintained between the outer surface and the inner shell, and a heat conduction layer wrapping the outside of the inner shell is arranged at the fixed distance. A cooling medium is filled in the heat conduction layer for cooling the hydraulic oil in the inner cavity.

[0010] As a further improvement of the present utility model, through holes are provided on the outer side of the heat conduction layer, and a circulation pump and a diversion pipe are installed at the through holes for circulating the cooling medium in the heat conduction layer.

[0011] As a further improvement of the present utility model, one or more groups of cooling fins are provided on the inner side of the inner cavity for directly contacting the hydraulic oil to cool the hydraulic oil.

[0012] As a further improvement of the present utility model, two symmetrically arranged support feet are provided at the bottom of the outer surface of the multi-way control valve, and positioning holes are provided at the support feet for restricting the position of the multi-way control valve on the hydraulic cylinder.

[0013] As a further improvement of the present utility model, a cooling assembly is provided between the two support feet at the bottom of the outer surface of the multi-way control valve, and a fan is installed in the middle of the cooling assembly for heat dissipation.

[0014] As a further improvement of the present utility model, an inlay shell is sleeved on the cylinder body of the hydraulic cylinder, and the outer side of the inlay shell is combined with the support feet.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] The present utility model ensures the precise positioning and stable installation of the multi-way control valve on the hydraulic cylinder through the support feet and the positioning holes, reduces the influence of equipment movement and vibration on the system, the use of the cooling assembly and the fan significantly improves the heat dissipation efficiency, effectively maintains the working temperature of the hydraulic system, and prevents performance problems caused by overheating;

[0017] The combination of the inlay shell and the support feet provides additional structural stability, enhances the overall support of the hydraulic cylinder and the multi-way control valve, reduces mechanical problems, the compact cooling assembly and support foot design optimize the space utilization, improve the integration and efficiency of the system, the improved cooling and structural design reduces the failure frequency, extends the service life of the hydraulic oil, and reduces the maintenance and replacement costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present application, form a part of the present application, and the illustrative embodiments and descriptions thereof of the present application are used to explain the present application, and do not constitute an improper limitation of the present application. In the drawings:

[0019] Figure 1 is a three-dimensional structural schematic diagram of the hydraulic cylinder of the present utility model;

[0020] Figure 2 is a front-view structural schematic diagram of the combination of the hydraulic cylinder and the multi-way control valve of the present utility model;

[0021] Figure 3Schematic three-dimensional structure diagram of the multi-way control valve of the present utility model;

[0022] Figure 4 Schematic front view structure diagram of the multi-way control valve of the present utility model;

[0023] Figure 5 Of the present utility model Figure 4 Schematic A-A sectional structure diagram;

[0024] Figure 6 Schematic side view structure diagram of the multi-way control valve of the present utility model;

[0025] Figure 7 Of the present utility model Figure 5 Enlarged structure diagram at position A in the present utility model.

[0026] In the figure: 1, hydraulic cylinder; 2, multi-way control valve;

[0027] 11, cylinder block; 12, connection port; 13, inlay shell;

[0028] 21, outer surface; 22, pipeline; 23, communication port; 24, support feet; 25, positioning holes; 26, cooling assembly; 27, fan; 28, cooling medium; 29, circulation pump; 210, inner cavity; 211, inner shell; 212, cooling fins; 213, diversion pipe. Specific embodiments

[0029] The following will disclose multiple embodiments of the present utility model with illustrations. For the sake of clarity, many physical details will be described together in the following narrative. However, it should be understood that these physical details are not used to limit the present utility model. That is to say, in some embodiments of the present utility model, these physical details are not necessary. In addition, for the sake of simplifying the illustrations, some well-known and commonly used structures and components will be shown in a simple schematic manner in the illustrations.

[0030] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on what can be achieved by those of ordinary skill in the art. When the combination of technical solutions results in contradictions or cannot be achieved, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0031] Please refer to Figures 1-7, currently, in order to connect the hydraulic cylinder 1 to the pipeline, pipeline connection ports are provided at both ends of the hydraulic cylinder 1. The pipeline interface of the hydraulic cylinder 1 is usually fixedly arranged at both ends of the hydraulic cylinder 1. Therefore, a certain space dimension is required at the connection of the pipe joint to the oil pipe and the hydraulic cylinder 1. However, when multiple hydraulic cylinders 1 need to be arranged locally on a mechanical device, such as three hydraulic cylinders 1 are arranged locally in front of the slag bucket of a slag raking machine. Due to the large number of hydraulic cylinders 1 and the fixed oil pipe interfaces of the hydraulic cylinders 1 at both ends, it greatly affects the layout of the oil pipes. Usually, a larger space is required to arrange the oil pipes or additional pipeline arrangement devices need to be added. Otherwise, the arrangement of too long or too many pipelines will interfere with the operation of the equipment. Therefore, the use of the multi-way control valve 2 can solve the above problems. However, when in use, the temperature of the hydraulic oil shows inconsistency when flowing through different hydraulic cylinders 1, which easily causes the use effect of the hydraulic oil to decline. Based on this, the present application provides a general-purpose hydraulic cylinder 1 oil circuit device, which is characterized in that it includes:

[0032] A hydraulic cylinder 1, which includes a cylinder block 11, and two connection ports 12 are arranged at the top of the cylinder block 11 for the circulation of hydraulic oil;

[0033] A multi-way control valve 2, and an inner cavity 210 for accommodating hydraulic oil is arranged inside the multi-way control valve 2;

[0034] Communication ports 23 are opened at the top, front, rear, left and right of the inner cavity 210, and a communication valve is installed at the communication ports 23. A pipeline 22 is inserted at the communication ports 23, and the pipeline 22 is communicated with the connection ports 12 for the circulating flow of hydraulic oil.

[0035] The hydraulic cylinder 1 is the core component of this device. It includes a sturdy cylinder block 11, and the cylinder block 11 is made of high-strength materials to ensure stable performance when bearing high-pressure hydraulic oil. Two connection ports 12 are specially designed at the top of the cylinder block 11. These two connection ports 12 are the channels for hydraulic oil to enter and exit the hydraulic cylinder 1, ensuring that the hydraulic cylinder 1 can work smoothly.

[0036] Matched with the hydraulic cylinder 1 is the multi-way control valve 2. An inner cavity 210 for accommodating hydraulic oil is provided inside this control valve. This inner cavity 210 not only has enough capacity to store hydraulic oil, but also takes into account the fluidity of the hydraulic oil. Communication ports 23 are opened at the top, front, rear, left and right of the inner cavity 210. These communication ports 23 are controlled by communication valves. This design enables the hydraulic oil to be flexibly divided and combined in multiple directions, thus realizing the precise control of the hydraulic cylinder 1.

[0037] To ensure the smooth flow of hydraulic oil between the hydraulic cylinder 1 and the multi-way control valve 2, a pipeline 22 is inserted at the communication port 23. These pipelines 22 are made of materials resistant to high pressure and corrosion, ensuring good performance even in harsh working environments. The other end of the pipeline 22 is connected to the connection port 12 of the hydraulic cylinder 1, thus forming a complete hydraulic oil circulation system.

[0038] By reasonably designing the position of the connection port 12 of the hydraulic cylinder 1 and the layout of the communication port 23 of the multi-way control valve 2, the device has optimized the oil circuit layout, enabling the hydraulic oil to complete the circulation in a shorter path, thereby improving the overall working efficiency.

[0039] The design of the multi-way control valve 2 enables the device to easily handle complex hydraulic control requirements. By adjusting the opening and closing states of the communication valves, multi-directional and multi-speed control of the hydraulic cylinder 1 can be achieved, greatly enhancing the flexibility and versatility of the device.

[0040] Compared with the traditional hydraulic cylinder 1 oil circuit device, the device structure of this embodiment is more compact and occupies less space. This not only facilitates the arrangement of more hydraulic cylinders 1 in a limited space but also reduces the weight and cost of the overall equipment.

[0041] The simple oil circuit design and modular components make the device more convenient to maintain. Once a fault occurs, the damaged parts can be quickly located and replaced, thus reducing the maintenance time and cost.

[0042] An inner shell 211 is provided inside the outer surface 21 of the multi-way control valve 2. The inner cavity 210 is arranged in the inner shell 211, and the communication port 23 opened in the inner cavity 210 extends to the outside of the outer surface 21.

[0043] A fixed distance is maintained between the outer surface 21 and the inner shell 211. A heat-conducting layer wrapping the outside of the inner shell 211 is provided at this fixed distance, and a cooling medium 28 is filled in the heat-conducting layer for cooling the hydraulic oil in the inner cavity 210.

[0044] An inner shell 211 is provided inside the outer surface 21 of the multi-way control valve 2. The inner shell 211 is a protective structure surrounding the inner cavity 210, used to separate the inner cavity 210 from the external environment. The function of the inner shell 211 is not only to support and fix the inner cavity 210 but also to help maintain the flow stability of the hydraulic oil in the inner cavity 210.

[0045] The inner cavity 210 is arranged inside the inner shell 211 and has a plurality of opened communication ports 23 which extend to the outside of the outer surface 21. Through these communication ports 23, hydraulic oil can flow in the inner cavity 210 and is connected to the external oil circuit system. The communication ports 23 ensure that the hydraulic oil can smoothly flow into and out of the inner cavity 210 for effective oil circuit control.

[0046] A fixed spacing is maintained between the outer surface 21 and the inner shell 211, and at this fixed spacing, a heat conducting layer is wrapped. The main function of the heat conducting layer is to transfer the heat generated by the inner shell 211 to the external cooling medium 28, thereby cooling the hydraulic oil in the inner cavity 210. The heat conducting layer is usually made of a high heat conducting material to ensure effective heat transfer.

[0047] The heat conducting layer is filled with a cooling medium 28 (such as water, coolant, etc.). The cooling medium 28 is in close contact with the heat conducting layer and can effectively absorb and carry away the heat of the hydraulic oil in the inner cavity 210 of the multi-way control valve 2, thereby reducing the temperature of the hydraulic oil and ensuring that the hydraulic system operates within the optimal working temperature range.

[0048] The setting of the heat conducting layer and the cooling medium 28 can effectively absorb and dissipate the heat generated in the inner cavity 210 of the multi-way control valve 2. This design ensures that the hydraulic oil remains in a lower temperature range when flowing through the inner cavity 210, thereby improving the stability and working efficiency of the hydraulic system.

[0049] By reducing the temperature of the hydraulic oil, the viscosity change and oxidation rate of the hydraulic oil are reduced, and the lubricity and service life of the hydraulic oil are improved. This directly enhances the overall performance and reliability of the hydraulic system.

[0050] Reducing the temperature of the hydraulic oil helps reduce the wear and aging of components in the system, thereby extending the service life of the hydraulic cylinder 1 and the multi-way control valve 2. This not only reduces the maintenance and replacement costs but also improves the long-term economy of the equipment. The design of the heat conducting layer and the cooling medium 28 enables the multi-way control valve 2 to achieve efficient cooling in a more compact space.

[0051] Effective cooling can reduce hydraulic system failures caused by overheating, reduce the safety hazards caused by overheating of the hydraulic oil, and improve the safety of the equipment.

[0052] Through holes are arranged on the outer side of the heat conducting layer, and a circulation pump 29 and a diversion pipe 213 are installed at the through holes for circulating the cooling medium 28 in the heat conducting layer.

[0053] One or more groups of cooling fins 212 are arranged on the inner side of the inner cavity 210 for directly contacting the hydraulic oil to cool the hydraulic oil.

[0054] There are through - holes provided on the outer side of the heat - conducting layer. These through - holes are used to connect with an external cooling system. The existence of the through - holes enables the circulation of the cooling medium 28 and provides space for the installation of the circulation pump 29 and the diversion pipe 213.

[0055] The circulation pump 29 and the diversion pipe 213 are installed at the through - holes. The function of the circulation pump 29 is to push the cooling medium 28 to circulate inside the heat - conducting layer, thereby enhancing the cooling effect on the inner shell 211 and the hydraulic oil. The diversion pipe 213 is responsible for transporting the cooling medium 28 from the circulation pump 29 to various parts of the heat - conducting layer and guiding the cooled medium back to the circulation system. This configuration can effectively maintain the temperature stability of the heat - conducting layer and improve the cooling effect.

[0056] One or more groups of cooling fins 212 are provided inside the inner cavity 210 of the multi - way control valve 2. These cooling fins 212 are in direct contact with the hydraulic oil, increasing the contact area between the hydraulic oil and the cooling surface, thereby improving the heat transfer efficiency.

[0057] The configuration of the through - holes, the circulation pump 29 and the diversion pipe 213 in the heat - conducting layer enables the cooling medium 28 to circulate effectively inside the heat - conducting layer, thereby improving the overall cooling efficiency. The continuous flow of the cooling medium 28 can quickly carry away the heat generated in the heat - conducting layer and the inner cavity 210, ensuring that the temperature of the hydraulic oil is maintained within the optimal range.

[0058] The cooling fins 212 in the inner cavity 210 are in direct contact with the hydraulic oil, increasing the cooling area of the hydraulic oil and the heat transfer efficiency. The design of the fins enables the hydraulic oil to dissipate heat more effectively during the flow process, thereby reducing the temperature of the hydraulic oil.

[0059] Effective cooling can reduce the temperature fluctuation of the hydraulic oil, reduce viscosity changes and oxidation, thereby improving the working stability and performance of the hydraulic system. The system operates at a lower temperature, which can extend the service life of the hydraulic oil and reduce the maintenance and replacement frequency.

[0060] By keeping the temperature of the hydraulic oil within a reasonable range, the hydraulic system failures caused by overheating are reduced, the hydraulic oil leakage and other potential safety hazards are lowered, and the reliability and safety of the equipment are enhanced.

[0061] The cooling system can reduce the energy waste caused by overheating, improve the energy efficiency and economy of the equipment. The circulation design of the cooling medium 28 improves the energy utilization efficiency and reduces the additional energy consumption.

[0062] The design of the cooling fins 212 in the inner cavity 210 and the external cooling system simplifies the maintenance and inspection process of the cooling system. The modular design of the cooling system makes fault detection and component replacement more convenient, reducing the maintenance cost and time.

[0063] At the bottom of the outer surface 21 of the multi-way control valve 2, there are two symmetrically arranged support feet 24. Positioning holes 25 are provided at the support feet 24 to limit the position of the multi-way control valve on the hydraulic cylinder 1.

[0064] Between the two support feet 24 at the bottom of the outer surface 21 of the multi-way control valve 2, a cooling component 26 is provided. A fan 27 is installed in the middle of the cooling component 26 for heat dissipation.

[0065] A fitting shell 13 is sleeved on the cylinder block 11 of the hydraulic cylinder 1, and the outside of the fitting shell 13 is combined with the support feet 24.

[0066] At the bottom of the outer surface 21 of the multi-way control valve 2, there are two symmetrically distributed support feet 24. These support feet 24 are designed to stabilize the installation position of the multi-way control valve 2 on the hydraulic cylinder 1, ensuring that the multi-way control valve 2 remains stable and does not move during operation.

[0067] Positioning holes 25 are provided at the support feet 24. These holes are used to dock with the corresponding positioning structures on the hydraulic cylinder 1, thereby restricting the specific position of the multi-way control valve 2. The presence of the positioning holes 25 ensures the precise installation of the multi-way control valve 2, improving the assembly accuracy and reliability of the system.

[0068] A cooling component 26 is provided between the two support feet 24 at the bottom of the outer surface 21 of the multi-way control valve 2. The arrangement position of the cooling component 26 ensures that the cooling system can effectively dissipate heat from the multi-way control valve 2, avoiding heat accumulation.

[0069] A fan 27 is installed in the middle of the cooling component 26. The function of the fan 27 is to promote the circulation of cooling air, thereby enhancing the heat dissipation effect on the multi-way control valve 2. The design of the fan 27 improves the cooling efficiency, helps to maintain the system within an appropriate operating temperature range, and avoids the impact of overheating on the hydraulic system.

[0070] A fitting shell 13 is sleeved on the cylinder block 11 of the hydraulic cylinder 1. The fitting shell 13 is combined with the cylinder block 11 of the hydraulic cylinder 1 to provide additional structural support. The outside of the fitting shell 13 is combined with the support feet 24 to ensure the stable installation position of the multi-way control valve 2.

[0071] The design of the fitting shell 13 and the combination method with the support feet 24 effectively enhance the overall structural stability of the device. The fitting shell 13 can bear the load exerted by the multi-way control valve 2, and through the combination with the support feet 24, further fixes the position of the control valve.

[0072] The support feet 24 and their positioning holes 25 are designed such that the multi-way control valve 2 can be accurately positioned and stably installed on the hydraulic cylinder 1. This structure can reduce equipment movement caused by vibration or external forces, ensuring the long-term stable operation of the hydraulic system.

[0073] The configuration of the cooling assembly 26, including the installation of the middle fan 27, significantly improves the heat dissipation effect of the multi-way control valve 2. The fan 27 can effectively take away the generated heat, keep the system within the optimal operating temperature range, and thus prevent performance degradation or failures caused by overheating.

[0074] The design of the cooling assembly 26 not only enhances the heat dissipation effect of the fan 27, but also enables the cooling system to handle heat more efficiently. This is important for maintaining the low temperature of the hydraulic oil and helps improve the working efficiency and reliability of the hydraulic system.

[0075] The use of the inlay shell 13 provides additional structural support, making the combination of the hydraulic cylinder 1 and the multi-way control valve 2 more stable. The cooperation between the inlay shell 13 and the support feet 24 enhances the strength and stability of the overall structure, and reduces mechanical problems caused by uneven loads or vibrations.

[0076] The above are only the embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, various modifications and changes can be made to the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the scope of the claims of the present utility model.

Claims

1. A universal hydraulic cylinder oil circuit device, characterized in that it includes: A hydraulic cylinder (1), the hydraulic cylinder (1) comprising a cylinder body (11), the top of the cylinder body (11) being provided with two connection ports (12) for circulation of hydraulic oil; A multi-way control valve (2), wherein an inner cavity (210) for accommodating hydraulic oil is provided inside the multi-way control valve (2); The inner cavity (210) is provided with connecting ports (23) at the top, front and back, and left and right, and is equipped with connecting valves. A pipeline (22) is plugged into the connecting port (23), and the pipeline (22) is connected to the connecting port (12) for the circulation of hydraulic oil.

2. A universal hydraulic cylinder oil circuit device according to claim 1, characterized in that: An inner shell (211) is arranged on the inner side of the outer surface (21) of the multi-way control valve (2), the inner cavity (210) is arranged in the inner shell (211), and the communication port (23) provided at the inner cavity (210) extends to the outside of the outer surface (21).

3. A universal hydraulic cylinder oil circuit device according to claim 2, characterized in that: A fixed distance is maintained between the outer surface (21) and the inner shell (211), and a heat-conducting layer wrapped around the outer side of the inner shell (211) is provided at the fixed distance, and a cooling medium (28) is filled in the heat-conducting layer for cooling the hydraulic oil in the inner cavity (210).

4. A universal hydraulic cylinder oil circuit device according to claim 3, characterized in that: A through hole is provided on the outer side of the heat-conducting layer, and a circulation pump (29) and a flow guide pipe (213) are installed at the through hole for circulating the cooling medium (28) in the heat-conducting layer.

5. A universal hydraulic cylinder oil circuit device according to claim 1, characterized in that: One or more groups of cooling fins (212) are arranged on the inner side of the inner cavity (210) for directly contacting the hydraulic oil and cooling the hydraulic oil.

6. A universal hydraulic cylinder oil circuit device according to claim 1, characterized in that: Two symmetrically arranged supporting feet (24) are provided at the bottom of the outer surface (21) of the multi-way control valve (2), and positioning holes (25) are provided at the supporting feet (24) for limiting the position of the multi-way control valve on the hydraulic cylinder (1).

7. A universal hydraulic cylinder oil circuit device according to claim 1, characterized in that: A cooling assembly (26) is provided at the bottom of the outer surface (21) of the multi-way control valve (2) between two supporting legs (24), and a fan (27) is installed in the middle of the cooling assembly (26) for heat dissipation.

8. A universal hydraulic cylinder oil circuit device according to claim 1, characterized in that: An inlay shell (13) is sleeved on the cylinder body (11) of the hydraulic cylinder (1), and the outer side of the inlay shell (13) is combined with a supporting foot (24).

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