Damping type hydraulic oil pump
The shock-absorbing hydraulic oil pump addresses vibration-induced damage by incorporating inclined support plates, hydraulic dampers, and springs to enhance shock absorption and facilitate easy maintenance.
Patent Information
- Application Number
- CN202421223886.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-31
AI Technical Summary
Existing hydraulic oil pumps experience significant vibration during use and transportation, leading to potential damage and poor shock absorption performance.
A shock-absorbing hydraulic oil pump design featuring a pump body supported by inclined support plates with slide plates and connecting hinges, incorporating hydraulic dampers, springs, and rotating baffles to absorb vibrations, allowing for rapid disassembly and maintenance.
The design effectively reduces violent vibrations, enhances shock absorption, and facilitates easy maintenance by allowing separate disassembly of the pump body and shock-absorbing structure.
Smart Images

Figure CN222296861U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of hydraulic oil pumps, in particular to a shock-absorbing hydraulic oil pump. Background Art
[0002] A hydraulic oil pump is a mechanical device used to generate liquid pressure and deliver liquid to a hydraulic system. It usually consists of a drive mechanism, a hydraulic pump body, and inlet and outlet pipelines. The working principle of a hydraulic oil pump is based on the principle that mechanical movement converts mechanical energy into hydraulic energy. Hydraulic oil pumps have a wide range of applications in the engineering field, especially in hydraulic transmission systems, such as engineering machinery, aerospace, metallurgy, shipbuilding, and the automotive industry.
[0003] After searching, the patent number is CN220502608U, which discloses an electric forklift hydraulic oil pump. During maintenance, the equipment can be disassembled according to the maintenance position, and individual components can be replaced according to actual problems, without the need to replace the entire device, thereby reducing the maintenance cost of the equipment. Through positioning combination and limit card connection, the difficulty of operation for staff is reduced, and the speed and efficiency of maintenance are guaranteed. However, when the existing hydraulic oil pump is in use, it is easy to vibrate during use or transportation, which will cause damage to the components of the hydraulic oil pump and the shock absorption performance is poor. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a shock-absorbing hydraulic oil pump. The existing hydraulic oil pump is easy to vibrate during use or transportation, thereby causing damage to the parts of the hydraulic oil pump and having poor shock-absorbing performance.
[0005] In order to solve the above technical problems, the technical solution of the utility model is a shock-absorbing hydraulic oil pump, including a pump body arranged above a supporting base, and also including four groups of inclined support plates, the lower sides of the four groups of inclined support plates are provided with slide plates, the pump body and the slide plates are respectively connected to the two end parts of the inclined support plates with connecting hinges, the upper surface of the supporting base is penetrated by two groups of limiting slides, and the supporting base is provided with a limiting rod penetrating the limiting slides, and a hydraulic damper is clamped in the middle position of the lower side of the pump body.
[0006] As a further solution of the utility model, the slide plate is located on the inner side of the limiting sliding opening, the slide plate is slidably connected to the limiting rod, and the two groups of the limiting rods are symmetrically arranged with respect to the hydraulic damper.
[0007] As a further solution of the utility model, a first spring and two groups of second springs are sleeved on the outer side of the limit rod, the first spring is located between the two groups of slide plates, and the two groups of second springs are respectively located on both sides of the first spring.
[0008] As a further solution of the utility model, four groups of limit vertical plates are fixedly connected to the upper surface of the support base, the upper ends of the four groups of limit vertical plates are fixedly connected to fixed shaft rods, the outer sides of the four groups of fixed shaft rods are rotatably sleeved with rotating baffles, both ends of the two groups of limit rods are threadedly connected with baffle rings, and the lower side of the hydraulic damper is fixedly connected with a plug-in rod.
[0009] As a further solution of the utility model, a plug-in hole is provided through the middle of the upper surface of the support base, and the plug-in rod is located on the inner side of the plug-in hole.
[0010] As a further solution of the utility model, the cross-sectional shape of the four groups of limiting vertical plates are all L-shaped, the four groups of rotating baffles are respectively located at the corners of the upper surface of the pump body, and the cross-sectional shape of the four groups of rotating baffles are all fan-shaped.
[0011] Compared with the prior art, the beneficial effect of the utility model is that when the hydraulic oil pump vibrates, the pump body will slightly rise and fall along the four groups of limit vertical plates. At this time, the hydraulic damper will hinder it, and the four groups of inclined support plates are respectively tilted by two groups of connecting hinges, thereby driving the slide plate to move along the limit rod inside the limit slide, and the movement of the slide plate is hindered by the cooperation of the first spring and the two groups of second springs, which can prevent the hydraulic oil pump from vibrating violently during use or transportation, has a good buffering and shock absorbing function, and ensures the safety of the hydraulic oil pump.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: by spirally removing the retaining ring, the two groups of limit rods are pulled out from the supporting base together, and then the four groups of rotating baffles are rotated away from the upper corners of the pump body through the fixed shaft rods on the upper ends of the four groups of limit vertical plates, and then the pump body and the supporting base are separated through the four groups of limit vertical plates. At this time, the connecting rod is moved out from the inside of the connecting hole, realizing the rapid disassembly function of the pump body and the shock absorbing structure, so that the pump body and the shock absorbing structure can be maintained separately. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the overall structure of a shock-absorbing hydraulic oil pump in an embodiment of the utility model;
[0014] Figure 2 This is a schematic diagram of the connection structure of the inclined support plate in the embodiment of the utility model;
[0015] Figure 3 This is a schematic diagram of the connection structure of the support base in the embodiment of the utility model;
[0016] Figure 4 It is a side view of a shock-absorbing hydraulic oil pump in an embodiment of the utility model.
[0017] In the figure: 1. pump body; 2. support base; 3. hydraulic damper; 4. limit slide; 5. limit rod; 6. slide plate; 7. inclined support plate; 8. connecting hinge; 9. first spring; 10. second spring; 11. limit vertical plate; 12. fixed shaft rod; 13. rotating baffle; 14. plug-in rod; 15. plug-in hole; 16. retaining ring. DETAILED DESCRIPTION
[0018] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0019] Example 1, please refer to Figure 1-Figure 4 A shock-absorbing hydraulic oil pump includes a pump body 1 arranged above a support base 2, and also includes four groups of inclined support plates 7. The lower sides of the four groups of inclined support plates 7 are each provided with a slide plate 6. The pump body 1 and the slide plate 6 are respectively connected to the two ends of the inclined support plates 7 with connecting hinges 8. Two groups of limiting slides 4 are penetrated through the upper surface of the support base 2, and a limiting rod 5 penetrating the limiting slide 4 is provided on the support base 2. A hydraulic damper 3 is clamped in the middle position of the lower side of the pump body 1.
[0020] The slide plate 6 is located at the inner side of the limiting sliding opening 4 , and the slide plate 6 is slidably connected to the limiting rod 5 , and the two groups of limiting rods 5 are symmetrically arranged with respect to the hydraulic damper 3 .
[0021] In this embodiment, the limiting rod 5 is slidably connected with the slide plate 6 to cooperate with the limiting sliding opening so as to ensure the stable movement of the inclined support plate 7.
[0022] The outer side of the limiting rod 5 is sleeved with a first spring 9 and two groups of second springs 10 . The first spring 9 is located between the two groups of slide plates 6 , and the two groups of second springs 10 are respectively located on both sides of the first spring 9 .
[0023] In this embodiment, the first spring 9 and the two sets of second springs 10 cooperate to buffer the lifting and lowering of the pump body 1 .
[0024] Specifically, when the hydraulic oil pump vibrates, the pump body 1 will slightly rise and fall along the four groups of limit vertical plates 11. At this time, the hydraulic damper 3 will hinder it, and the four groups of inclined support plates 7 will tilt through two groups of connecting hinges 8 respectively, thereby driving the slide plate 6 to move along the limit rod 5 inside the limit slide 4, and the first spring 9 and the two groups of second springs 10 cooperate to hinder the movement of the slide plate 6, which can prevent the hydraulic oil pump from vibrating violently during use or transportation, has a good buffering and shock absorbing function, and ensures the safety of the hydraulic oil pump.
[0025] Example 2, please refer to Figure 1-Figure 4 A shock-absorbing hydraulic oil pump, the upper surface of the support base 2 is fixedly connected with four groups of limit vertical plates 11, the upper ends of the four groups of limit vertical plates 11 are fixedly connected with fixed shafts 12, the outer sides of the four groups of fixed shafts 12 are rotatably sleeved with rotating baffles 13, the two ends of the two groups of limit rods 5 are threadedly connected with baffle rings 16, and the lower side of the hydraulic damper 3 is fixedly connected with a plug-in rod 14.
[0026] An inserting hole 15 is formed through the middle of the upper surface of the support base 2 , and the inserting rod 14 is located inside the inserting hole 15 .
[0027] In this embodiment, the hydraulic damper 3 is limited by the cooperation between the plug-in rod 14 and the plug-in hole 15 .
[0028] The cross-sectional shapes of the four groups of limit vertical plates 11 are all L-shaped, the four groups of rotating baffles 13 are respectively located at the corners of the upper surface of the pump body 1, and the cross-sectional shapes of the four groups of rotating baffles 13 are all fan-shaped.
[0029] In this embodiment, the top of the pump body 1 is limited by the rotating baffles 13 at the upper ends of the four sets of limiting vertical plates 11.
[0030] Specifically, the two sets of limiting rods 5 are pulled out from the supporting base 2 together by screwing off the retaining ring 16, and then the four sets of rotating baffles 13 are respectively rotated away from the upper corner positions of the pump body 1 through the fixed shaft rods 12 at the upper ends of the four sets of limiting vertical plates 11, and then the pump body 1 is separated from the supporting base 2 through the four sets of limiting vertical plates 11. At this time, the plug-in rod 14 is moved out from the inside of the plug-in hole 15, realizing the rapid disassembly function of the pump body 1 and the shock-absorbing structure, so that the pump body 1 and the shock-absorbing structure can be maintained separately.
[0031] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.
Claims
1. A shock-absorbing hydraulic oil pump, comprising a pump body (1) arranged above a support base (2), characterized in that: It also includes four groups of inclined support plates (7), and the lower sides of the four groups of inclined support plates (7) are all provided with slide plates (6). The pump body (1) and the slide plates (6) are respectively connected to the two ends of the inclined support plates (7) with connecting hinges (8). The upper surface of the support base (2) is provided with two groups of limit slides (4), and the support base (2) is provided with a limit rod (5) passing through the limit slides (4). A hydraulic damper (3) is clamped in the middle position of the lower side of the pump body (1).
2. A shock-absorbing hydraulic oil pump according to claim 1, characterized in that: The slide plate (6) is located on the inner side of the limiting sliding opening (4), the slide plate (6) is slidably connected to the limiting rod (5), and the two groups of limiting rods (5) are symmetrically arranged with respect to the hydraulic damper (3).
3. A shock-absorbing hydraulic oil pump according to claim 2, characterized in that: The outer side of the limiting rod (5) is sleeved with a first spring (9) and two groups of second springs (10); the first spring (9) is located between the two groups of slide plates (6), and the two groups of second springs (10) are respectively located on both sides of the first spring (9).
4. A shock-absorbing hydraulic oil pump according to claim 1, characterized in that: Four groups of limit vertical plates (11) are fixedly connected to the upper surface of the support base (2); the upper ends of the four groups of limit vertical plates (11) are fixedly connected to fixed shaft rods (12); the outer sides of the four groups of fixed shaft rods (12) are rotatably sleeved with rotating baffle plates (13); both ends of the two groups of limit rods (5) are threadedly connected to baffle rings (16); and the lower side of the hydraulic damper (3) is fixedly connected to a plug-in rod (14).
5. A shock-absorbing hydraulic oil pump according to claim 4, characterized in that: A plug-in hole (15) is provided through the middle of the upper surface of the support base (2), and the plug-in rod (14) is located inside the plug-in hole (15).
6. A shock-absorbing hydraulic oil pump according to claim 4, characterized in that: The cross-sectional shapes of the four groups of limit vertical plates (11) are all L-shaped, the four groups of rotating baffles (13) are respectively located at the corner positions of the upper surface of the pump body (1), and the cross-sectional shapes of the four groups of rotating baffles (13) are all fan-shaped.
