Protective assembly of hydraulic oil pump of special vehicle
By designing a protective component for special vehicle hydraulic oil pumps, the problem of hydraulic oil pumps being eroded by sand and gravel and moisture when driving in mountainous areas is solved, achieving a longer service life and better heat dissipation effect.
Patent Information
- Application Number
- CN202421779719.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-07-26
AI Technical Summary
When special vehicles are driving in mountainous areas, hydraulic oil pumps are susceptible to erosion by sand, gravel and moisture, resulting in damage and reduced service life.
A protective component of a special vehicle hydraulic oil pump is designed, including the hydraulic oil pump body, protective shell, clamp, lock groove, lock block and spring. By pushing the hydraulic oil pump into the protective shell, the spring force is used to insert the lock block into the lock groove, and the protective shell is fixed outside the hydraulic oil pump to provide protection.
Effectively reduce the risk of hydraulic oil pumps being eroded by sand, gravel and moisture, extend their service life, and provide heat dissipation through the design of cooling pipes and water tanks.
Smart Images

Figure CN222782808U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of special vehicles, in particular to a protective component of a hydraulic oil pump of a special vehicle. Background Art
[0002] Special vehicles refer to vehicles whose overall dimensions, weight, etc. exceed the design vehicle limits and vehicles for special purposes. These vehicles are specially made or modified, equipped with fixed devices and equipment, and their main function is not to carry people or goods.
[0003] The hydraulic oil pump of special vehicles is the power source in the hydraulic system. Its function is to convert the mechanical energy of the prime mover into the pressure energy of the liquid to provide power for the entire hydraulic system. There are many types of hydraulic oil pumps, including vane pumps, gear pumps, plunger pumps and screw pumps, etc. Each pump has its own characteristics and application scenarios.
[0004] In the current existing technology, when a special vehicle is traveling in a mountainous area, the hydraulic oil pump may be corroded by sand, gravel, water and other substances during driving, causing damage to the hydraulic oil pump and reducing the service life of the hydraulic oil pump. Therefore, a protective component for the hydraulic oil pump of a special vehicle is proposed to address the above problem. Utility Model Content
[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes a protective component for a hydraulic oil pump of a special vehicle.
[0006] The technical solution adopted by the utility model to solve its technical problem is: the utility model is a protective component of a special vehicle hydraulic oil pump, including a hydraulic oil pump body, a clamping block is fixedly connected to the end of the hydraulic oil pump body; a locking groove is provided inside the clamping block; a protective shell is sleeved on the outside of the hydraulic oil pump body; a fixed block is fixedly connected to the end of the protective shell; a cavity is provided inside the fixed block; a locking block is slidably connected to the inside of the cavity; a spring is fixedly connected to the top of the locking block; the other end of the spring is fixedly connected to the inner wall of the cavity.
[0007] Preferably, the end of the protective shell is fixedly connected to a water tank; the inner side wall of the protective shell is fixedly connected to a cooling pipe, and the other end of the cooling pipe is fixedly connected to the end of the water tank.
[0008] Preferably, a pull rod is fixedly connected to the top of the locking block; a pull handle is fixedly connected to the top of the pull rod; and the pull rod is slidably connected to the fixing block and the inside of the cavity.
[0009] Preferably, heat dissipation holes are provided at the end of the protective shell and are arranged in a circular array.
[0010] Preferably, a spring sheet is fixedly connected to the top of the protective shell; and the other end of the spring sheet is fixedly connected to a protective plate and is located at the top of the heat dissipation hole.
[0011] Preferably, the end of the locking block is semi-arc-shaped and matches the locking groove; a protective pad is fixedly connected to the end of the locking block; and protective strips are fixedly connected to the two side walls of the protective plate and are located at the top of the heat dissipation hole.
[0012] Beneficial effects of the utility model:
[0013] 1. The utility model provides a protective component for a hydraulic oil pump of a special vehicle, which pushes the hydraulic oil pump into the interior of a protective shell, and then drives the clamping blocks on both sides of the hydraulic oil pump body to be inserted into the interior of a fixed block, and then squeezes the locking block to shrink toward the interior of a cavity, and squeezes a spring to generate elastic force. When the locking groove and the cavity are aligned with each other, the spring generates elastic force to push the locking block to be inserted into the interior of the locking groove for clamping and fixing, so that the protective shell is sleeved on the outside of the hydraulic oil pump body, so as to protect the surface of the hydraulic oil pump body and reduce the erosion problem caused by sand and water.
[0014] 2. The utility model provides a protective component for a hydraulic oil pump of a special vehicle. When the hydraulic oil pump body is placed inside the protective shell, the cooling pipe is tightly fitted to the surface of the hydraulic oil pump body. Then, by opening the water tank, the water inside the water tank flows into the cooling pipe, thereby dissipating the heat on the surface of the hydraulic oil pump body. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0016] Figure 1 It is a three-dimensional diagram of the utility model;
[0017] Figure 2 It is a cross-sectional view of the utility model;
[0018] Figure 3 It is a structural schematic diagram of the heat dissipation hole in the utility model;
[0019] Figure 4 yes Figure 2 Enlarged view of point A in the middle.
[0020] Legend:
[0021] 1. Hydraulic oil pump body; 21. Protective shell; 22. Fixed block; 23. Block; 24. Cavity; 25. Locking slot; 26. Locking block; 27. Spring; 28. Pull rod; 29. Pull handle; 31. Water tank; 32. Cooling pipe; 33. Heat dissipation hole; 41. Protective plate; 42. Shrapnel. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Specific examples are given below.
[0024] See also Figure 1-Figure 4 The utility model provides a protective component for a hydraulic oil pump of a special vehicle, comprising a hydraulic oil pump body 1, a clamping block 23 is fixedly connected to the end of the hydraulic oil pump body 1; a locking groove 25 is provided inside the clamping block 23; a protective shell 21 is sleeved on the outside of the hydraulic oil pump body 1; a fixing block 22 is fixedly connected to the end of the protective shell 21; a cavity 24 is provided inside the fixing block 22; a locking block 26 is slidably connected inside the cavity 24; a spring 27 is fixedly connected to the top of the locking block 26; the other end of the spring 27 is fixedly connected to the inner side wall of the cavity 24; when working, when it is necessary to When the hydraulic oil pump is protected, the hydraulic oil pump is pushed into the interior of the protective shell 21, and then the blocks 23 on both sides of the hydraulic oil pump body 1 are driven to be inserted into the interior of the fixed block 22, and then the locking block 26 is squeezed to shrink toward the interior of the cavity 24, and the squeezing spring 27 generates elastic force. When the locking groove 25 and the cavity 24 are aligned with each other, the spring 27 generates elastic force to push the locking block 26 to be inserted into the interior of the locking groove 25 for clamping and fixing, so that the protective shell 21 is sleeved on the outside of the hydraulic oil pump body 1, so as to protect the surface of the hydraulic oil pump body 1 and reduce the erosion by sand and water.
[0025] Further, such as Figure 3 As shown, a water tank 31 is fixedly connected to the end of the protective shell 21; a cooling pipe 32 is fixedly connected to the inner wall of the protective shell 21, and the other end of the cooling pipe 32 is fixedly connected to the end of the water tank 31; during operation, when the hydraulic oil pump body 1 is placed inside the protective shell 21, the cooling pipe 32 is tightly attached to the surface of the hydraulic oil pump body 1, and then the water tank 31 is opened to allow the water inside the water tank 31 to flow into the cooling pipe 32, thereby achieving a heat dissipation effect on the surface of the hydraulic oil pump body 1.
[0026] Further, such as Figure 3 As shown, a pull rod 28 is fixedly connected to the top of the locking block 26; a pull handle 29 is fixedly connected to the top of the pull rod 28; the pull rod 28 is slidably connected to the inside of the fixed block 22 and the cavity 24; during operation, when the hydraulic oil pump body 1 needs to be repaired and replaced, the pull handle 29 is pulled to drive the pull rod 28 to slide to the side end, so that the pull rod 28 drives the locking block 26 to shrink into the inside of the cavity 24, and then the block 23 is driven by the hydraulic oil pump body 1 to slide out from the inside of the fixed block 22, and the hydraulic oil pump body 1 is taken out to facilitate subsequent repairs and replacements.
[0027] Further, such as Figure 3 As shown, the end of the protective shell 21 is provided with heat dissipation holes 33, which are arranged in a circular array; when working, the heat dissipation holes 33 are installed at the end of the protective shell 21 to discharge the hot air generated when the protective shell 21 works to the outside through the heat dissipation holes 33, so as to improve the working efficiency of the hydraulic oil pump body 1.
[0028] Further, such as Figure 3 As shown, a spring piece 42 is fixedly connected to the top of the protective shell 21; the other end of the spring piece 42 is fixedly connected to a protective plate 41, and is located at the top of the heat dissipation hole 33; when working, the protective plate 41 and the spring piece 42 are installed on both sides of the protective shell 21 to provide a secondary protection effect for the hydraulic oil pump body 1, and the protective plate 41 covers the surface of the heat dissipation hole 33 to shield and protect the heat dissipation hole 33.
[0029] Further, such as Figure 4 As shown, the end of the locking block 26 is semi-arc-shaped and matches the locking groove 25; a protective pad is fixedly connected to the end of the locking block 26; when working, the protective pad is installed at the end of the locking block 26 to provide a wear-resistant effect on the surface of the locking block 26.
[0030] Further, such as Figure 4 As shown, the two side walls of the protection plate 41 are fixedly connected with protection strips, and are located at the top of the heat dissipation hole 33; when working, the protection strips are installed on the surface of the protection plate 41 to achieve the effects of protection and buffering.
[0031] Working principle: When the hydraulic oil pump needs to be protected, the hydraulic oil pump is pushed into the inside of the protective shell 21, and then the blocks 23 on both sides of the hydraulic oil pump body 1 are driven to be inserted into the inside of the fixed block 22, and then the locking block 26 is squeezed to shrink into the inside of the cavity 24, and the squeezing spring 27 generates elastic force. When the locking groove 25 and the cavity 24 are aligned with each other, the spring 27 generates elastic force to push the locking block 26 to be inserted into the inside of the locking groove 25 for clamping and fixing, so that the protective shell 21 is sleeved on the outside of the hydraulic oil pump body 1 to protect the surface of the hydraulic oil pump body 1 and reduce the erosion by sand and water; when the hydraulic oil pump body 1 is placed in the inside of the protective shell 21, the cooling pipe 32 is tightly attached to the surface of the hydraulic oil pump body 1, and then the water tank 31 is opened to allow the water inside the water tank 31 to flow into the inside of the cooling pipe 32, so as to dissipate heat on the surface of the hydraulic oil pump body 1; when the hydraulic oil pump body 1 needs to be protected During maintenance and replacement, the pull handle 29 is pulled to drive the pull rod 28 to slide to the side end, so that the pull rod 28 drives the locking block 26 to shrink into the cavity 24, and then the block 23 is driven to slide out from the inside of the fixed block 22 through the hydraulic oil pump body 1, and the hydraulic oil pump body 1 is taken out for subsequent maintenance and replacement; by installing a heat dissipation hole 33 at the end of the protective shell 21, the hot air generated when the protective shell 21 is working inside is discharged to the outside through the heat dissipation hole 33, so as to improve the working efficiency of the hydraulic oil pump body 1; by installing a protective plate 41 and a spring 42 on both sides of the protective shell 21, a secondary protection effect is achieved for the hydraulic oil pump body 1, and the protective plate 41 covers the surface of the heat dissipation hole 33 to shield and protect the heat dissipation hole 33; by installing a protective pad at the end of the locking block 26, the surface of the locking block 26 is wear-resistant; by installing a protective strip on the surface of the protective plate 41, a protective and buffering effect is achieved.
[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A protective assembly for a hydraulic oil pump of a special vehicle, comprising a hydraulic oil pump body (1), characterized in that: A clamping block (23) is fixedly connected to the end of the hydraulic oil pump body (1); a locking groove (25) is provided inside the clamping block (23); a protective shell (21) is sleeved on the outside of the hydraulic oil pump body (1); a fixing block (22) is fixedly connected to the end of the protective shell (21); a cavity (24) is provided inside the fixing block (22); a locking block (26) is slidably connected inside the cavity (24); a spring (27) is fixedly connected to the top of the locking block (26); and the other end of the spring (27) is fixedly connected to the inner wall of the cavity (24).
2. A protective assembly for a special vehicle hydraulic oil pump as claimed in claim 1, characterized in that: The end of the protective shell (21) is fixedly connected to a water tank (31); the inner side wall of the protective shell (21) is fixedly connected to a cooling pipe (32), and the other end of the cooling pipe (32) is fixedly connected to the end of the water tank (31).
3. The protective assembly for a special vehicle hydraulic oil pump according to claim 1, characterized in that: A pull rod (28) is fixedly connected to the top of the locking block (26); a pull handle (29) is fixedly connected to the top of the pull rod (28); and the pull rod (28) is slidably connected to the inside of the fixed block (22) and the cavity (24).
4. The protective assembly for a special vehicle hydraulic oil pump according to claim 1, characterized in that: The end of the protective shell (21) is provided with heat dissipation holes (33) which are arranged in a circular array.
5. The protective assembly for a special vehicle hydraulic oil pump according to claim 4, characterized in that: A spring sheet (42) is fixedly connected to the top of the protective shell (21); the other end of the spring sheet (42) is fixedly connected to a protective plate (41) and is located at the top of the heat dissipation hole (33).
6. The protective assembly for a special vehicle hydraulic oil pump according to claim 1, characterized in that: The end of the locking block (26) is semi-arc-shaped and matches the locking groove (25); a protective pad is fixedly connected to the end of the locking block (26).
7. The protective assembly for a special vehicle hydraulic oil pump according to claim 5, characterized in that: Protection strips are fixedly connected to both side walls of the protection plate (41) and are located at the top of the heat dissipation hole (33).