Hydraulic station convenient to overhaul

The hydraulic station cabinet door, designed with a rubber jacket and rotating shaft structure, enables keyless opening and closing, solving the problem of easy loss or corrosion of hydraulic station cabinet door locks, and improving the convenience and efficiency of maintenance.

CN224214499UActive Publication Date: 2026-05-08TAIAN GUANGYU HYDRAULIC & ELECTRICAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAIAN GUANGYU HYDRAULIC & ELECTRICAL CO LTD
Filing Date
2025-06-11
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

The locks on the cabinet doors of the hydraulic station are easily lost or the keys are difficult to insert due to corrosion and oxidation, affecting the convenience of maintenance.

Method used

The cabinet adopts a rubber jacket and rotating shaft structure design. Through the cooperation of the rotating shaft, the limiting ring sleeve and the T-shaped ring, the cabinet door can be opened and closed without a key. The cabinet door also has a storage compartment for storing maintenance tools.

Benefits of technology

This avoids the problem of cabinet doors being unable to be opened due to lost or corroded keys, improves maintenance efficiency and convenience, and reduces the risk of not having all the necessary tools.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224214499U_ABST
    Figure CN224214499U_ABST
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Abstract

The utility model relates to the technical field of hydraulic stations, in particular to a hydraulic station convenient to overhaul. Comprising a fixing sleeve fixed to the surface of a protruding block, a limiting ring sleeve fixed to one end of a rotating shaft, a pull rod and a spring movably arranged in the rotating shaft, a mounting disc fixed to the end of the pull rod, and a limiting block fixed to the side surface of the mounting disc. The storage bin is used for storing tools for overhauling parts in the hydraulic station main body, so that the situation that the overhauling efficiency of the hydraulic station main body is affected due to incomplete tools carried by workers is avoided, and meanwhile, when the first cabinet door and the second cabinet door are opened, the tools can be used for overhauling the parts in the hydraulic station main body; the rubber clamping blocks are fixed to the surfaces of the first cabinet door and the second cabinet door, the rubber clamping blocks can be clamped in the rubber clamping sleeves, the situation that the cabinet doors shake when workers overhaul the hydraulic station body is avoided, and therefore convenience is improved when the hydraulic station body is overhauled.
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Description

Technical Field

[0001] This utility model relates to the field of hydraulic station technology, specifically a hydraulic station that is easy to maintain. Background Technology

[0002] A hydraulic power unit is a hydraulic power source device, mainly composed of a hydraulic pump, a drive motor, an oil tank, directional valves, throttle valves, relief valves, etc., and sometimes also includes control valves. The motor drives the hydraulic pump to transmit power, and the hydraulic oil output by the hydraulic pump is transmitted to the hydraulic cylinder or motor through pipelines and valves to transmit energy. The hydraulic valves control the flow of hydraulic oil for control and regulation. All components work in coordination to achieve energy transmission and control, ensuring the efficient and stable operation of the system.

[0003] In the existing technology, hydraulic power units, as the power source of hydraulic systems, are widely used in fields such as engineering machinery, metallurgical equipment, and ships. Hydraulic power units usually adopt an integrated structure, integrating components such as motors, oil pumps, oil tanks, and valve groups into a single box. The surface of the box is equipped with cabinet doors to facilitate the maintenance of components inside the box and to protect the components inside the box. The cabinet doors are usually used in conjunction with a locking mechanism.

[0004] However, hydraulic stations require regular maintenance to ensure operational safety. The cabinet doors of hydraulic station housings are usually sealed with locks. The keys are small and easy to lose. Furthermore, over time, the lock cylinders can corrode and oxidize, making it difficult to insert the key and affecting the opening of the cabinet doors. Utility Model Content

[0005] The purpose of this invention is to provide a hydraulic station that is easy to maintain, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic station that is easy to maintain, the hydraulic station comprising:

[0007] The hydraulic station body has a rubber sleeve fixed on its outer surface. The hydraulic station body has a first cabinet door and a second cabinet door that are movably provided inside. The inner surface of the first cabinet door has a storage compartment that is movably provided. The side surface of the first cabinet door has a protrusion that is fixed. The surface of the protrusion has a fixing sleeve that is fixed.

[0008] A rotating shaft, one end of which is fixed with a limiting ring, and a pull rod and a spring are movably provided inside the rotating shaft. A mounting plate is fixed to the end of the pull rod, and a limiting block is fixed to the side surface of the mounting plate.

[0009] Preferably, a first 'T'-shaped ring is fixed to the inner surface of the first cabinet door, and a second 'T'-shaped ring is fixed to the inner surface of the second cabinet door. The second 'T'-shaped ring, the protrusion, and the first 'T'-shaped ring are coaxial, and rubber clamps are fixed to the front surfaces of both the first and second cabinet doors.

[0010] Preferably, the rotating shaft is movably inserted inside the protrusion, the limiting ring is located inside the second cabinet door, one end of the pull rod is fixed with a stop block, the side surface of the stop block is provided with a positioning groove, and the stop block is movably disposed inside the rotating shaft.

[0011] Preferably, the limiting ring sleeve corresponds to and is movably engaged with the second 'T'-shaped ring and the first 'T'-shaped ring. The limiting ring sleeve and the first 'T'-shaped ring are semicircular, the second 'T'-shaped ring is quarter-circular, and a wrench is fixed to the end of the mounting plate.

[0012] Preferably, the rotating shaft has a storage groove inside, and a positioning block is fixed on the inner wall of the storage groove. The positioning groove corresponds to the positioning block and is movably engaged. The spring is movably sleeved on the outer surface of the pull rod and is located on the inner wall of the storage groove.

[0013] Preferably, the outer surface of the fixed sleeve is provided with a limiting groove, and the limiting groove is provided in four sets distributed in a circle. The limiting block corresponds to the limiting groove and is movably engaged.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This structure eliminates the need for keys or other external tools to open and close the first and second cabinet doors, preventing key loss from affecting door opening. The storage compartment contains tools for inspecting internal components of the hydraulic station, ensuring efficient maintenance of the hydraulic station is achieved even if workers lack the necessary tools. Furthermore, when the first and second cabinet doors are open, rubber clamps fixed to their surfaces secure them in rubber sleeves, preventing door wobbling during maintenance and improving ease of access. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a three-dimensional schematic diagram of the rubber jacket structure of this utility model;

[0018] Figure 3 This is a three-dimensional schematic diagram of the cabinet door component structure of this utility model;

[0019] Figure 4 This is an exploded three-dimensional view of the rear of the cabinet door component structure of this utility model;

[0020] Figure 5 This is an exploded three-dimensional view of the front of the cabinet door component structure of this utility model;

[0021] Figure 6 This is an exploded three-dimensional schematic diagram of the limiting ring assembly structure of this utility model;

[0022] Figure 7 This is a cross-sectional three-dimensional schematic diagram of the limiting ring structure of this utility model;

[0023] Figure 8 This is a cross-sectional three-dimensional schematic diagram of the limiting component structure of this utility model;

[0024] Figure 9 This is an exploded three-dimensional schematic diagram of the limiting component structure of this utility model.

[0025] In the diagram: 1. Main body of the hydraulic station; 2. Rubber sleeve; 3. First cabinet door; 4. Second cabinet door; 5. Limiting ring sleeve; 6. Storage compartment; 7. Second 'T' ring; 8. Protrusion; 9. First 'T' ring; 10. Rubber clamp; 11. Fixing sleeve; 12. Rotating shaft; 13. Stop block; 14. Positioning groove; 15. Pull rod; 16. Mounting plate; 17. Wrench; 18. Limiting block; 19. Spring; 20. Storage groove; 21. Positioning block; 22. Limiting groove. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0027] Please see Figures 1 to 9 This utility model provides a technical solution: a hydraulic station that is easy to maintain.

[0028] Example 1: A hydraulic power station is a hydraulic source device, mainly composed of a hydraulic pump, a drive motor, an oil tank, a directional valve, a throttle valve, and a relief valve. Sometimes it also includes a control valve. The motor drives the hydraulic pump to transmit power. The hydraulic oil output by the hydraulic pump is transmitted to the hydraulic cylinder or motor through pipelines and valves for energy transmission. The hydraulic valve controls the flow of hydraulic oil for control and regulation. All components work in coordination to achieve energy transmission and control, ensuring efficient and stable operation of the system. The outer surface of the hydraulic power station body 1 is fixed with a rubber sleeve 2. The hydraulic power station body 1 has a first cabinet door 3 and a second cabinet door 4 that are movable inside. The inner surface of the first cabinet door 3 has a storage compartment 6 that is movable inside. The storage compartment 6 stores tools for repairing the internal parts of the hydraulic power station body 1, avoiding the impact on the efficiency of repairing the hydraulic power station body 1 due to workers not carrying complete tools. The side surface of the first cabinet door 3 is fixed with a protrusion 8, and the surface of the protrusion 8 is fixed with a fixing sleeve 11.

[0029] One end of the rotating shaft 12 is fixed with a limiting ring 5. The rotating shaft 12 is equipped with a pull rod 15 and a spring 19. The end of the pull rod 15 is fixed with a mounting plate 16. The side surface of the mounting plate 16 is fixed with a limiting block 18. Due to the elastic reset of the spring 19, the pull rod 15 will move towards the inside of the storage groove 20, so that the limiting block 18 is re-locked in the limiting groove 22. At this time, the pull rod 15 cannot rotate, thus maintaining the cabinet door in the open state.

[0030] Based on Embodiment 1, in order to facilitate the maintenance of the hydraulic station body 1, a first 'T'-shaped ring 9 is fixed on the inner surface of the first cabinet door 3, and a second 'T'-shaped ring 7 is fixed on the inner surface of the second cabinet door 4. The second 'T'-shaped ring 7, the protrusion 8, and the first 'T'-shaped ring 9 are coaxial. Rubber clamps 10 are fixed on the front surfaces of both the first cabinet door 3 and the second cabinet door 4. Since rubber clamps 10 are fixed on the surfaces of both the first cabinet door 3 and the second cabinet door 4, the rubber clamps 10 will be locked in the rubber sleeve 2, preventing the cabinet doors from shaking when workers are maintaining the hydraulic station body 1, thereby improving the convenience of maintaining the hydraulic station body 1.

[0031] The rotating shaft 12 is movably inserted inside the protrusion 8. The limiting ring 5 is located inside the second cabinet door 4. One end of the pull rod 15 is fixed with a stop 13. The side surface of the stop 13 is provided with a positioning groove 14. The stop 13 is movably disposed inside the rotating shaft 12. The limiting ring 5 corresponds to the second 'T' ring 7 and the first 'T' ring 9 and is movably locked. The limiting ring 5 and the first 'T' ring 9 are semicircular, and the second 'T' ring 7 is a quarter circle. When the first cabinet door 3 and the second cabinet door 4 are closed, half of the limiting ring 5 is locked on the second 'T' ring 7, and the other half is locked on the upper part of the first 'T' ring 9. When the limiting ring 5 rotates 90 degrees with the pull rod 15, the limiting ring 5 will be fully locked on the first 'T' ring 9. At this time, the limitation between the first cabinet door 3 and the second cabinet door 4 disappears, and they can be opened. The end of the mounting plate 16 is fixed with a wrench 17.

[0032] The rotating shaft 12 has a storage groove 20 inside, and a positioning block 21 is fixed on the inner wall of the storage groove 20. The positioning groove 14 corresponds to the positioning block 21 and is movably locked. When the pull rod 15 rotates, the mutual locking between the positioning groove 14 and the positioning block 21 limits the rotation of the pull rod 15, which in turn drives the rotating shaft 12 to rotate. The rotation of the rotating shaft 12 drives the limiting ring 5 to rotate. The spring 19 is movably sleeved on the outer surface of the pull rod 15 and is located on the inner wall of the storage groove 20. The outer surface of the fixed sleeve 11 has a limiting groove 22. There are four sets of limiting grooves 22 distributed in a circle. The limiting block 18 corresponds to the limiting groove 22 and is movably locked.

[0033] In actual use, when it is necessary to open the first cabinet door 3 and the second cabinet door 4 to inspect the electrical components inside the hydraulic station body 1, the lever 15 is pulled outward by holding the wrench 17, so that the limit block 18 is no longer stuck in the limit groove 22. At this time, the rotation limit between the lever 15 and the fixed sleeve 11 disappears. Then, the lever 15 is rotated by the wrench 17, so that the lever 15 rotates 90 degrees. Then, the lever 15 is stopped from being pulled. Due to the elastic reset of the spring 19, the lever 15 will move into the storage groove 20, so that the limit block 18 is re-stuck in the limit groove 22. At this time, the lever 15 cannot rotate.

[0034] When the pull rod 15 rotates, due to the mutual locking and limiting between the positioning groove 14 and the positioning block 21, the rotation of the pull rod 15 will drive the rotating shaft 12 to rotate, and the rotation of the rotating shaft 12 will drive the limiting ring 5 to rotate. When the first cabinet door 3 and the second cabinet door 4 are closed, half of the limiting ring 5 is locked on the second 'T' ring 7, and the other half is locked on the upper part of the first 'T' ring 9. When the limiting ring 5 rotates 90 degrees with the pull rod 15, the limiting ring 5 will be fully locked on the first 'T' ring 9. At this time, the limiting between the first cabinet door 3 and the second cabinet door 4 disappears, and they can be opened.

[0035] This structure eliminates the need for keys or other external tools to open and close the first cabinet door 3 and the second cabinet door 4, preventing key loss from affecting door opening. The storage compartment 6 contains tools for inspecting internal components of the hydraulic station body 1, ensuring efficient maintenance of the hydraulic station body 1 is not affected by workers carrying incomplete tools. Furthermore, when the first cabinet door 3 and the second cabinet door 4 are opened, rubber clamps 10 are fixed to their surfaces, locking them in rubber sleeves 2, preventing door wobbling during maintenance and improving ease of maintenance.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hydraulic power unit that is easy to maintain, characterized in that: The aforementioned easy-to-maintain hydraulic station includes: The hydraulic station body (1) has a rubber sleeve (2) fixed on its outer surface. The hydraulic station body (1) has a first cabinet door (3) and a second cabinet door (4) that are movable inside. The inner surface of the first cabinet door (3) has a storage compartment (6) that is movable. The side surface of the first cabinet door (3) has a protrusion (8) fixed on it. The surface of the protrusion (8) has a fixing sleeve (11) fixed on it. A rotating shaft (12) is provided with a limiting ring (5) fixed at one end. A pull rod (15) and a spring (19) are movably provided inside the rotating shaft (12). A mounting plate (16) is fixed at the end of the pull rod (15). A limiting block (18) is fixed on the side surface of the mounting plate (16).

2. The hydraulic station for easy maintenance according to claim 1, characterized in that: The inner surface of the first cabinet door (3) is fixed with a first 'T' ring (9), and the inner surface of the second cabinet door (4) is fixed with a second 'T' ring (7). The second 'T' ring (7), the protrusion (8) and the first 'T' ring (9) are coaxial. The front surfaces of the first cabinet door (3) and the second cabinet door (4) are both fixed with rubber clamps (10).

3. The hydraulic station for easy maintenance according to claim 2, characterized in that: The rotating shaft (12) is movably inserted inside the protrusion (8), the limiting ring (5) is located inside the second cabinet door (4), one end of the pull rod (15) is fixed with a stop block (13), the side surface of the stop block (13) is provided with a positioning groove (14), and the stop block (13) is movably disposed inside the rotating shaft (12).

4. A hydraulic station that is easy to maintain according to claim 3, characterized in that: The limiting ring sleeve (5) corresponds to the second 'T' ring (7) and the first 'T' ring (9) and is movably locked. The limiting ring sleeve (5) and the first 'T' ring (9) are semicircular, and the second 'T' ring (7) is a quarter circle. A wrench (17) is fixed at the end of the mounting plate (16).

5. A hydraulic station that is easy to maintain according to claim 4, characterized in that: The rotating shaft (12) has a storage groove (20) inside. A positioning block (21) is fixed on the inner wall of the storage groove (20). The positioning groove (14) corresponds to the positioning block (21) and is movably engaged. The spring (19) is movably sleeved on the outer surface of the pull rod (15). The spring (19) is located on the inner wall of the storage groove (20).

6. A hydraulic station for easy maintenance according to claim 5, characterized in that: The outer surface of the fixed sleeve (11) is provided with a limiting groove (22), and the limiting groove (22) is provided in four sets distributed in a circle. The limiting block (18) corresponds to the limiting groove (22) and is movably engaged.