Hydraulic pump structure convenient to overhaul
By introducing the insert mounting strip and sealed connection design into the hydraulic pump structure, the problem of inconvenient hydraulic pump disassembly is solved, rapid maintenance and good sealing are achieved, and maintenance efficiency is improved.
Patent Information
- Application Number
- CN202422883221.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-11-26
AI Technical Summary
The existing hydraulic pump is difficult to disassemble between the pump body and the motor, which makes daily maintenance difficult.
A hydraulic pump structure that is easy to maintain is designed. By setting an insert mounting strip and a positioning lock on the sliding mounting seat, and installing a sealing end cover at the front end of the servo motor, combined with a sealing connection seat and an embedded sealing ring, the motor and pump body can be quickly separated and well sealed.
It realizes the rapid disassembly and maintenance of the hydraulic pump, ensures the sealing between the motor and the pump body, avoids leakage, and facilitates daily maintenance.
Smart Images

Figure CN223305944U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a hydraulic pump structure which is convenient for maintenance and belongs to the technical field of hydraulic pumps. Background Art
[0002] A hydraulic pump is a power element of a hydraulic system. It is driven by an engine or an electric motor, sucking oil from a hydraulic tank, discharging pressurized oil, and sending it to the actuator. Hydraulic pumps are divided into gear pumps, plunger pumps, vane pumps, and screw pumps according to their structure. In the prior art, patent number CN202322734576.8 discloses a hydraulic pump assembly. When installing the hydraulic pump, the hydraulic pump assembly only requires two sets of semi-arc clamps to be brought close to each other and the fixing ring to be firmly against the limit groove. After fixing the semi-arc clamps, by inserting the limit plug into the limit hole, hydraulic pumps of different models and sizes can be quickly and accurately positioned and installed, effectively reducing the complexity and difficulty of installation.
[0003] However, in actual use of the hydraulic pump disclosed above, it is inconvenient to disassemble the pump body and the motor, which leads to inconvenience in daily maintenance. Therefore, we design a hydraulic pump structure that is convenient for maintenance. Utility Model Content
[0004] The purpose of the present utility model is to provide a hydraulic pump structure that is easy to repair, so as to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic pump structure that is easy to maintain, comprising a servo motor, a hydraulic pump body, an output shaft and a sliding mounting seat, wherein the bottom end of the hydraulic pump body is provided with a pump body support frame, the top end of the sliding mounting seat is provided with a plurality of V-shaped reinforcement frames, the bottom end of the servo motor is provided with a connecting base plate, the sliding mounting seat is connected to the connecting base plate of the servo motor through a plurality of V-shaped reinforcement frames, an insert mounting strip is provided on one side of the sliding mounting seat, a positioning lock is provided on one end of the insert mounting strip, a locking clamp is provided inside the pump body support frame, the insert mounting strip is inserted into the pump body support frame so that the positioning lock is connected to the locking clamp, and a cylindrical handle is installed on the side of the sliding mounting seat;
[0006] A sealing end cover is installed at the front end of the servo motor, a sealing card seat is provided at the front end of the sealing end cover, and a sealing connection seat is provided at the rear end of the hydraulic pump body. The sealing connection seat is connected to the sealing card seat through an embedded sealing ring so that the shaft of the servo motor corresponds to the connecting sleeve of the hydraulic pump body.
[0007] In the above-mentioned hydraulic pump structure that is easy to maintain, an oil inlet interface and an oil outlet interface are provided on the side of the hydraulic pump body, and oil filter screens are installed inside the oil inlet interface and inside the oil outlet interface.
[0008] In the above-mentioned hydraulic pump structure convenient for maintenance, an input shaft sealing seat is provided at the front end of the hydraulic pump body, and the output shaft is installed in the sealing channel of the input shaft sealing seat and is keyed to the output end of the hydraulic pump body.
[0009] In the above-mentioned hydraulic pump structure that is easy to maintain, a wiring installation box is installed on the side of the servo motor, a line card slot is opened on the top of the wiring installation box, a wiring card plate is installed inside the line card slot, and a push ball is provided on the top of the wiring card plate.
[0010] In the above-mentioned hydraulic pump structure that is easy to maintain, it also includes a lifting ring, and the bottom end of the lifting ring is connected to the hydraulic pump body through a set bolt column.
[0011] In the above-mentioned hydraulic pump structure that is easy to maintain, two steel balls are provided at the bottom end of the sliding mounting seat, and the distance that the steel balls protrude from the sliding mounting seat is less than 2 mm.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. The utility model provides a hydraulic pump structure which is convenient for maintenance, wherein an insert mounting strip is provided on one side of the sliding mounting seat, a positioning lock is provided at one end of the insert mounting strip, a locking clamp is provided inside the pump body support frame, the insert mounting strip is inserted into the pump body support frame so that the positioning lock is connected to the locking clamp, and a cylindrical handle is installed on the side of the sliding mounting seat, which can quickly separate the servo motor and the hydraulic pump body, making it easier to carry out maintenance and convenient for daily maintenance. At the same time, a sealing end cover is installed at the front end of the servo motor, a sealing card seat is provided at the front end of the sealing end cover, and a sealing connection seat is provided at the rear end of the hydraulic pump body. The sealing connection seat is connected to the sealing card seat through an embedded sealing ring so that the shaft of the servo motor corresponds to the connecting sleeve of the hydraulic pump body, ensuring that the servo motor and the hydraulic pump body have good sealing after being connected to avoid leakage. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a three-dimensional structural diagram of a hydraulic pump structure that is easy to maintain according to the utility model.
[0015] Figure 2 This is a structural schematic diagram of a sliding mounting base for a hydraulic pump structure that is convenient for maintenance according to the present invention.
[0016] Figure 3 This is a structural schematic diagram of a hydraulic pump structure wiring installation box that is easy to repair according to the utility model.
[0017] In the figure: 1. Servo motor; 2. Hydraulic pump body; 3. Sealing end cover; 4. Wiring installation box; 5. Pump body support frame; 6. Output shaft; 7. Input shaft sealing seat; 8. Lifting ring; 9. Connecting base plate; 10. V-shaped reinforcement frame; 11. Sliding mounting seat; 12. Cylindrical handle; 13. Insert mounting strip; 14. Positioning lock; 15. Locking clamp; 16. Sealing card seat; 17. Sealing connection seat; 18. Embedded sealing ring; 19. Oil inlet interface; 20. Oil outlet interface; 21. Oil filter screen; 22. Line card slot; 23. Wiring card plate; 24. Push ball. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0019] See also Figure 1-3 The utility model provides a technical solution for a hydraulic pump structure that is convenient for maintenance:
[0020] Embodiment 1: The hydraulic pump structure includes a servo motor 1, a hydraulic pump body 2, an output shaft 6 and a sliding mounting seat 11. The bottom end of the hydraulic pump body 2 is provided with a pump body support frame 5, and the top of the sliding mounting seat 11 is provided with a plurality of V-shaped reinforcement frames 10. The bottom end of the servo motor 1 is provided with a connecting base plate 9. The sliding mounting seat 11 is connected to the connecting base plate 9 of the servo motor 1 through the plurality of V-shaped reinforcement frames 10. An insert mounting strip 13 is provided on one side of the sliding mounting seat 11, and a positioning lock head 14 is provided on one end of the insert mounting strip 13. A locking clamp 15 is provided inside the pump body support frame 5. The insert mounting strip 13 is inserted into the pump body support frame 5 so that the positioning lock head 14 is connected to the locking clamp 15. A cylindrical handle 12 is installed on the side of the sliding mounting seat 11;
[0021] In this embodiment, in order to achieve better connection sealing and prevent oil leakage, a sealing end cover 3 is installed at the front end of the servo motor 1, and a sealing card seat 16 is provided at the front end of the sealing end cover 3. A sealing connection seat 17 is provided at the rear end of the hydraulic pump body 2. The sealing connection seat 17 is connected to the sealing card seat 16 through an embedded sealing ring 18 so that the shaft of the servo motor 1 corresponds to the connecting shaft sleeve of the hydraulic pump body 2.
[0022] In this embodiment, in order to better connect the hydraulic station and realize the inlet and outlet of hydraulic oil, an oil inlet interface 19 and an oil outlet interface 20 are opened on the side of the hydraulic pump body 2, and an oil filter screen 21 is installed inside the oil inlet interface 19 and the oil outlet interface 20.
[0023] In this embodiment, in order to better connect the output components and ensure the stability of the connection, an input shaft sealing seat 7 is provided at the front end of the hydraulic pump body 2, and the output shaft 6 is installed in the sealing channel of the input shaft sealing seat 7 and is keyed to the output end of the hydraulic pump body 2.
[0024] In the first embodiment, in order to better enable the sliding mounting seat 11 to move, two steel balls are provided at the bottom end of the sliding mounting seat 11 , and the distance that the steel balls protrude from the sliding mounting seat 11 is less than 2 mm.
[0025] Example 2: To better connect the wires, ensure the firmness of the wires, and prevent loosening, a wiring installation box 4 is installed on the side of the servo motor 1. A wiring slot 22 is provided on the top of the wiring installation box 4. A wiring card plate 23 is installed inside the wiring card slot 22. A push ball 24 is provided on the top of the wiring card plate 23.
[0026] Embodiment 2: In order to better carry out lifting and assembly, a lifting ring 8 is also included, and the bottom end of the lifting ring 8 is connected to the hydraulic pump body 2 through a set bolt column.
[0027] Working principle: multiple V-shaped reinforcement frames 10 are set at the top of the sliding mounting seat 11, and a connecting base plate 9 is set at the bottom end of the servo motor 1. The sliding mounting seat 11 is connected to the connecting base plate 9 of the servo motor 1 through multiple V-shaped reinforcement frames 10. An insert mounting bar 13 is set on one side of the sliding mounting seat 11. The insert mounting bar 13 is inserted into the inside of the pump body support frame 5 so that the positioning lock head 14 is connected to the locking clamp 15. A cylindrical handle 12 is installed on the side of the sliding mounting seat 11. The cylindrical handle 12 can be used to conveniently separate the servo motor 1 and the hydraulic pump body 2, which is convenient for daily maintenance operations.
[0028] Matters not described in detail in this specification constitute prior art known to those skilled in the art. The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art to which the present invention relates may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.
Claims
1. A hydraulic pump structure convenient for maintenance, comprising a servo motor (1), a hydraulic pump body (2), an output shaft (6) and a sliding mounting seat (11), characterized in that: The bottom end of the hydraulic pump body (2) is provided with a pump body support frame (5), the top end of the sliding mounting seat (11) is provided with a plurality of V-shaped reinforcement frames (10), the bottom end of the servo motor (1) is provided with a connecting base plate (9), the sliding mounting seat (11) is connected to the connecting base plate (9) of the servo motor (1) through the plurality of V-shaped reinforcement frames (10), one side of the sliding mounting seat (11) is provided with an insert mounting strip (13), one end of the insert mounting strip (13) is provided with a positioning lock head (14), the interior of the pump body support frame (5) is provided with a locking clamp (15), the insert mounting strip (13) is inserted into the interior of the pump body support frame (5) so that the positioning lock head (14) is connected to the locking clamp (15), and the side of the sliding mounting seat (11) is provided with a cylindrical handle (12); The front end of the servo motor (1) is provided with a sealing end cover (3), the front end of the sealing end cover (3) is provided with a sealing snap-in seat (16), the rear end of the hydraulic pump body (2) is provided with a sealing connection seat (17), and the sealing connection seat (17) is connected to the sealing snap-in seat (16) through an embedded sealing ring (18) so that the shaft of the servo motor (1) corresponds to the connecting shaft sleeve of the hydraulic pump body (2).
2. A hydraulic pump structure that is easy to maintain according to claim 1, characterized in that: An oil inlet interface (19) and an oil outlet interface (20) are provided on the side of the hydraulic pump body (2), and an oil filter screen (21) is installed inside the oil inlet interface (19) and inside the oil outlet interface (20).
3. The hydraulic pump structure for easy maintenance according to claim 1, characterized in that: An input shaft sealing seat (7) is provided at the front end of the hydraulic pump body (2), and the output shaft (6) is installed at the sealing channel of the input shaft sealing seat (7) and is keyed to the output end of the hydraulic pump body (2).
4. The hydraulic pump structure for easy maintenance according to claim 1, characterized in that: A wiring installation box (4) is installed on the side of the servo motor (1), a circuit card slot (22) is provided on the top of the wiring installation box (4), a wiring card plate (23) is installed inside the circuit card slot (22), and a push ball (24) is provided on the top of the wiring card plate (23).
5. The hydraulic pump structure for easy maintenance according to claim 1, characterized in that: It also includes a lifting ring (8), the bottom end of which is connected to the hydraulic pump body (2) via a provided bolt column.
6. The hydraulic pump structure for easy maintenance according to claim 1, characterized in that: Two steel balls are provided at the bottom end of the sliding mounting seat (11), and the distance that the steel balls protrude from the sliding mounting seat (11) is less than 2 mm.
Citation Information
Patent Citations
A hydraulic pump assembly
CN220956007U