Hydraulic pump lubrication protection device

Abstract

The utility model discloses a hydraulic pump lubrication protection device which comprises a supporting device, a lower butt-joint device is arranged above the supporting device, an upper butt-joint device is arranged above the lower butt-joint device, a storage box is arranged above the lower butt-joint device, injection devices are arranged on the left side and the right side of the upper butt-joint device, and a hydraulic pump is arranged in the storage box. The supporting device internally comprises a buffer block for supporting the lower butt joint device, the lower butt joint device internally comprises a first fan for cooling a hydraulic pump, the upper butt joint device internally comprises a second fan for cooling the hydraulic pump, and the storage box comprises a box body for storing lubricating oil. A dripping nozzle for injecting lubricating oil is arranged in the injection device, and a lifting plate for driving the injection device is arranged in the auxiliary device. By means of the structure, the bearing connected with the gear can be lubricated in the using process of the hydraulic pump; and the hydraulic pump can be cooled.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic pump technology, and in particular to a hydraulic pump lubrication protection device. Background Technology

[0002] Gear hydraulic pumps are simple in structure and low in cost, positive displacement hydraulic pumps that rely on gear meshing to transport hydraulic fluid. They are widely used in engineering machinery, agricultural equipment, and industrial hydraulic systems. Their working principle involves using gear rotation to create volume changes, thus achieving oil suction and discharge. While these pumps offer advantages such as high reliability and easy maintenance, they also have disadvantages including large flow pulsation, relatively high noise levels, and increased internal leakage under high pressure.

[0003] 1. In existing technology, during the use of a gear hydraulic pump, the gears need to rotate continuously. During this rotation, the bearings connected to the gears need to withstand the frictional forces generated. To ensure the long-term use of the hydraulic pump, operators need to lubricate the bearings connected to the gears. However, in reality, operators cannot lubricate the bearings in the hydraulic pump constantly. Short-term lack of lubrication will lead to bearing wear, while long-term lack of lubrication may cause irreversible failures in the entire hydraulic pump, which is detrimental to the long-term use of the gear pump.

[0004] 2. In existing technologies, during the operation of gear hydraulic pumps, the gears need to rotate for extended periods. When the gears rotate at high speed, the relative sliding and contact friction between the gear teeth generates heat. Over time, this causes the overall temperature of the gear hydraulic pump to remain high. Prolonged high temperatures may lead to a decrease in oil viscosity, reducing lubrication effectiveness, accelerating wear, and potentially accelerating seal aging, oil oxidation, and even causing a decrease in pump efficiency or malfunction, which is detrimental to the long-term use of the hydraulic pump. Utility Model Content

[0005] The purpose of this utility model is to provide a hydraulic pump lubrication and protection device that can lubricate the bearings of the connecting gears during the use of the hydraulic pump and can cool the hydraulic pump.

[0006] To achieve the above objectives, a hydraulic pump lubrication protection device is provided, including a support device, a lower docking device above the support device, an upper docking device above the lower docking device, a storage box above the lower docking device, injection devices on the left and right sides of the upper docking device, and an auxiliary device above the injection devices.

[0007] The support device includes a buffer block that supports the lower docking device. The lower docking device includes a first fan that cools the hydraulic pump. The upper docking device includes a second fan that cools the hydraulic pump. The storage tank includes a box for storing lubricating oil. The injection device includes a nozzle for injecting lubricating oil. The auxiliary device includes a lifting plate that drives the injection device.

[0008] According to the hydraulic pump lubrication protection device, the support device includes a connecting frame, mounting blocks are fixedly connected to the four corners of the connecting frame, and buffer blocks are fixedly connected inside the connecting frame.

[0009] According to the hydraulic pump lubrication protection device, the lower docking device includes a first docking block, a first heat sink plate is fixedly connected inside the first docking block, a first fan is fixedly connected to the front and rear sides of the first heat sink plate, support columns are fixedly connected to the four upper corners of the first docking block, a connecting column is fixedly connected to the upper end of the support column, the first docking block is located above the buffer block, the first docking block is fixedly connected to the buffer block, and the first docking block is slidably connected to the connecting frame.

[0010] According to the hydraulic pump lubrication protection device, the upper docking device includes a second docking block, connecting blocks are fixedly connected to the four lower corners of the second docking block, a second heat sink is fixedly connected to the middle of the second docking block, and a second fan is fixedly connected to the front and rear sides of the second heat sink.

[0011] According to the hydraulic pump lubrication protection device, the connecting block is slidably connected to the connecting column, the connecting block abuts against the upper end of the support column, and a connecting bolt is threadedly connected to the upper part of the connecting column.

[0012] According to the hydraulic pump lubrication protection device, the storage box includes a box body, the box body is fixedly connected to a second docking block, a first observation window is provided at the front of the box body, and a cover is threadedly connected to the top of the box body.

[0013] According to the hydraulic pump lubrication protection device, the injection device includes a chamber body, which is fixedly connected to a second docking block. A lifting rod is slidably connected to the upper part of the chamber body, and a piston is fixedly connected to the lower end of the lifting rod. The piston is slidably connected to the chamber body. A second observation window is provided in front of the chamber body. A one-way feed valve is installed below the chamber body, and the input end of the one-way feed valve is connected to the inside of the chamber body. A one-way discharge valve is installed at the lower end of the chamber body, and a drip nozzle is fixedly connected below the one-way discharge valve.

[0014] According to the hydraulic pump lubrication protection device, the auxiliary device includes a support frame, which is fixedly connected to a connecting block. A frame is fixedly connected to the top of the support frame. A drive motor is fixedly connected to the top of the inside of the frame. A lifting screw is fixedly connected to the output end of the drive motor. A lifting plate is threadedly connected to the middle of the lifting screw. The lifting plate is slidably connected to the frame. The lifting plate is fixedly connected to a lifting rod. A limit rod is fixedly connected inside the frame. The limit rod is slidably connected to the lifting plate.

[0015] This utility model has the following beneficial effects:

[0016] 1. Compared with existing technologies, the injection device fills the chamber with internal lubricating oil by driving the motor. After filling, the operator controls the motor to slowly rotate in the opposite direction, causing the lubricating oil to drip slowly from the nozzle. Finally, the external motor is connected to the hydraulic pump, and the nozzle is connected to the bearing above the bearing through an external conduit, but without contact. By dripping oil onto the bearing, the bearing is lubricated, and the bearing connecting the gears can be lubricated during the use of the hydraulic pump.

[0017] 2. Compared with existing technologies, by incorporating a first docking block with a first heat sink internally connected, the heat conduction of the hydraulic pump surface is transferred to the top of the first docking block and the first heat sink through their heat conduction. First fans are fixedly connected to the front and rear sides of the first heat sink, with the fans blowing in the same direction. The airflow from these fans carries away the heat absorbed by the first docking block and the first heat sink, thus cooling them and indirectly cooling the hydraulic pump. Similarly, the second fan cools the second docking block and the second heat sink, indirectly cooling the hydraulic pump as well. Through the combined action of these two components, the hydraulic pump can be cooled. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 This is a perspective view of a hydraulic pump lubrication protection device according to the present invention;

[0020] Figure 2 This is a three-dimensional structural diagram of the upper docking device of a hydraulic pump lubrication protection device according to the present invention;

[0021] Figure 3 This is a three-dimensional structural diagram of the lower docking structure of a hydraulic pump lubrication protection device according to the present invention;

[0022] Figure 4This is a cross-sectional view of an auxiliary device of a hydraulic pump lubrication protection device according to the present invention.

[0023] Legend:

[0024] 1. Support device; 2. Lower docking device; 3. Upper docking device; 4. Storage tank; 5. Injection device; 6. Auxiliary device; 7. Connecting bolts;

[0025] 11. Connecting frame; 12. Mounting block; 13. Buffer block; 21. First docking block; 22. First heat sink; 23. First fan; 24. Support column; 25. Connecting column; 31. Second docking block; 32. Connecting block; 33. Second heat sink; 34. Second fan; 41. Housing; 42. First observation window; 43. Cover;

[0026] 51. Bin body; 52. Lifting rod; 53. Piston; 54. Second observation window; 55. One-way feed valve; 56. One-way discharge valve; 57. Dropper; 61. Support frame; 62. Frame; 63. Drive motor; 64. Lifting screw; 65. Lifting plate; 66. Limit rod. Detailed Implementation

[0027] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0028] Reference Figure 1-4 This utility model discloses a hydraulic pump lubrication protection device, which includes a support device 1, a lower docking device 2 above the support device 1, an upper docking device 3 above the lower docking device 2, a storage tank 4 above the lower docking device 2, injection devices 5 on the left and right sides of the upper docking device 3, and an auxiliary device 6 above the injection devices 5. The support device 1 includes a buffer block 13 supporting the lower docking device 2, the lower docking device 2 includes a first fan 23 for cooling the hydraulic pump, the upper docking device 3 includes a second fan 34 for cooling the hydraulic pump, the storage tank 4 includes a box 41 for storing lubricating oil, the injection device 5 includes a nozzle 57 for injecting lubricating oil, and the auxiliary device 6 includes a lifting plate 65 for driving the injection device 5.

[0029] The support device 1 includes a connecting frame 11, with mounting blocks 12 fixedly connected to the four corners of the connecting frame 11, and buffer blocks 13 fixedly connected inside the connecting frame 11.

[0030] The above structure includes a mounting block 12 with openings on both the left and right sides, allowing the operator to install the support device 1 onto the workbench using external bolts and nuts.

[0031] By incorporating a buffer block 13, which is a nitrile rubber shock-absorbing pad, the vibration generated during the operation of the hydraulic valve can be buffered through its own deformation.

[0032] The lower docking device 2 includes a first docking block 21, a first heat sink 22 is fixedly connected inside the first docking block 21, a first fan 23 is fixedly connected to the front and rear sides of the first heat sink 22, support columns 24 are fixedly connected to the four upper corners of the first docking block 21, and a connecting column 25 is fixedly connected to the upper end of the support column 24. The first docking block 21 is located above the buffer block 13, the first docking block 21 is fixedly connected to the buffer block 13, and the first docking block 21 is slidably connected to the connecting frame 11.

[0033] The above structure, by providing a first docking block 21, and the first heat sink 22 being fixedly connected inside the first docking block 21, allows the heat conduction effect of the first docking block 21 and the first heat sink 22 to conduct the temperature of the surface of the hydraulic pump to the top of them. The first fans 23 are fixedly connected to the front and rear sides of the first heat sink 22, and the air blowing direction of the first fans 23 on the front and rear sides is the same. The air blowing action of the first fans 23 on the front and rear sides allows the air flow to carry away the temperature absorbed by the first docking block 21 and the first heat sink 22, thereby completing the cooling of both and indirectly cooling the hydraulic pump.

[0034] The support column 24 is provided to support the upper docking device 3, storage tank 4, injection device 5 and auxiliary device 6.

[0035] The upper docking device 3 includes a second docking block 31. Connecting blocks 32 are fixedly connected to the four lower corners of the second docking block 31. A second heat sink 33 is fixedly connected to the middle of the second docking block 31. A second fan 34 is fixedly connected to the front and rear sides of the second heat sink 33. The connecting block 32 is slidably connected to the connecting column 25. The connecting block 32 abuts against the upper end of the support column 24. A connecting bolt 7 is threadedly connected to the upper part of the connecting column 25.

[0036] The above structure includes a second docking block 31, with a second heat sink 33 fixedly connected to the middle of the second docking block 31. A second fan 34 is fixedly connected to the front and rear sides of the second heat sink 33. Similarly, the second fan 34 blows air in the same direction. As with the first docking block 21, the second fan 34 cools down both the second docking block 31 and the second heat sink 33, thereby indirectly cooling down the hydraulic pump.

[0037] By providing a connecting block 32, which is slidably connected to the connecting column 25, and with a connecting bolt 7 threadedly connected to the top of the connecting column 25, the operator can use the connecting block 32 and the connecting column 25 to connect the lower docking device 2 and the upper docking device 3, and lock them together using the connecting bolt 7.

[0038] The storage box 4 includes a box body 41, which is fixedly connected to the second docking block 31. A first observation window 42 is provided at the front of the box body 41, and a cover 43 is threadedly connected to the top of the box body 41.

[0039] The above structure includes a housing 41 with a first observation window 42 at the front. The first observation window 42 is made of tempered glass and is connected to the housing 41 through a sealing element. The first observation window 42 allows the operator to observe the content of lubricating oil inside the housing 41, making it convenient for the operator to add lubricating oil.

[0040] A cover 43 is threaded onto the top of the housing 41, allowing the operator to unscrew the cover 43 and add lubricating oil to the inside of the housing 41.

[0041] The injection device 5 includes a chamber 51, which is fixedly connected to the second docking block 31. A lifting rod 52 is slidably connected to the upper part of the chamber 51, and a piston 53 is fixedly connected to the lower end of the lifting rod 52. The piston 53 is slidably connected to the chamber 51. A second observation window 54 is provided in front of the chamber 51. A one-way feed valve 55 is installed below the chamber 51. The input end of the one-way feed valve 55 is connected to the inside of the housing 41. A one-way discharge valve 56 is installed at the lower end of the chamber 51, and a dropper 57 is fixedly connected below the one-way discharge valve 56.

[0042] The above structure includes a second observation window 54, which is made of tempered glass and connected to the housing 51 via a sealing element. The second observation window 54 allows the operator to perform subsequent operations based on the level of oil inside the window; specifically, when the oil level is too low, the direction of rotation of the drive motor 63 is changed.

[0043] The auxiliary device 6 includes a support frame 61, which is fixedly connected to the connecting block 32. A frame 62 is fixedly connected to the top of the support frame 61. A drive motor 63 is fixedly connected to the top inside the frame 62. A lifting screw 64 is fixedly connected to the output end of the drive motor 63. A lifting plate 65 is threadedly connected to the middle of the lifting screw 64. The lifting plate 65 is slidably connected to the frame 62. The lifting plate 65 is fixedly connected to the lifting rod 52. A limit rod 66 is fixedly connected inside the frame 62. The limit rod 66 is slidably connected to the lifting plate 65.

[0044] The above structure, driven by the drive motor 63, causes the lifting screw 64 to rotate. The lifting plate 65 is connected to the middle of the lifting screw 64 by a thread, so that the lifting screw 64 drives the lifting plate 65 to move up and down.

[0045] The lifting plate 65 is fixedly connected to the lifting rod 52, so that the lifting plate 65 drives the lifting rod 52 to move up and down synchronously. When the lifting rod 52 moves downward, a piston 53 is fixedly connected to the lower end of the lifting rod 52, so that the lifting rod 52 pushes the piston 53 to move downward. As the piston 53 moves downward, and the speed of the piston 53 moving downward is relatively slow, the lubricating oil drips out from the one-way discharge valve 56 and the drip nozzle 57, thereby completing the addition of lubricating oil. At this time, the lubricating oil does not pass through the one-way feed valve 55.

[0046] When the lifting rod 52 moves upward, a piston 53 is fixedly connected to the lower end of the lifting rod 52, causing the lifting rod 52 to pull the piston 53 upward. The upward process is relatively rapid, and the lubricating oil is connected to the inside of the housing 41 through the input end of the one-way feed valve 55, so that the lubricating oil enters the inside of the injection device 5 from the inside of the housing 41, thereby completing the filling of the lubricating oil.

[0047] By setting a limit rod 66, and the limit rod 66 being slidably connected to the lifting plate 65, the limit rod 66 limits the lifting plate 65, allowing the lifting plate 65 to move stably upward or downward.

[0048] Working principle: When using this hydraulic pump lubrication protection device, first install the support device 1 at the designated location, then place the hydraulic pump above the lower docking device 2, then place the upper docking device 3 above the lower docking device 2, and tighten the connecting bolts 7. Then, introduce suitable lubricating oil into the inside of the housing 41. Driven by the drive motor 63, the injection device 5 fills the inside of the housing 41 with lubricating oil. After it is full, the operator controls the drive motor 63 to slowly rotate in the reverse direction, so that the lubricating oil slowly drips out from the drip nozzle 57. Finally, connect the external motor to the hydraulic pump, and connect the drip nozzle 57 to the bearing through the external conduit without contact. The bearing is lubricated by dripping oil onto it. After installing the hydraulic pump into the machine, turn on the first fan 23 and the second fan 34 to cool the hydraulic pump.

[0049] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A hydraulic pump lubrication protection device, characterized in that, Includes a support device (1), a lower docking device (2) is provided above the support device (1), an upper docking device (3) is provided above the lower docking device (2), a storage box (4) is provided above the lower docking device (2), injection devices (5) are provided on the left and right sides of the upper docking device (3), and an auxiliary device (6) is provided above the injection device (5). The support device (1) includes a buffer block (13) that supports the lower docking device (2). The lower docking device (2) includes a first fan (23) that cools the hydraulic pump. The upper docking device (3) includes a second fan (34) that cools the hydraulic pump. The storage tank (4) includes a tank (41) that stores lubricating oil. The injection device (5) includes a nozzle (57) that injects lubricating oil. The auxiliary device (6) includes a lifting plate (65) that drives the injection device (5).

2. The hydraulic pump lubrication protection device according to claim 1, characterized in that, The support device (1) includes a connecting frame (11), with mounting blocks (12) fixedly connected to the four corners of the connecting frame (11), and buffer blocks (13) fixedly connected inside the connecting frame (11).

3. The hydraulic pump lubrication protection device according to claim 1, characterized in that, The lower docking device (2) includes a first docking block (21), a first heat sink (22) is fixedly connected inside the first docking block (21), a first fan (23) is fixedly connected to the front and rear sides of the first heat sink (22), a support column (24) is fixedly connected to the four upper corners of the first docking block (21), a connecting column (25) is fixedly connected to the upper end of the support column (24), the first docking block (21) is located above the buffer block (13), the first docking block (21) is fixedly connected to the buffer block (13), and the first docking block (21) is slidably connected to the connecting frame (11).

4. A hydraulic pump lubrication protection device according to claim 1, characterized in that, The upper docking device (3) includes a second docking block (31), with connecting blocks (32) fixedly connected to the four lower corners of the second docking block (31), a second heat sink (33) fixedly connected to the middle of the second docking block (31), and a second fan (34) fixedly connected to the front and rear sides of the second heat sink (33).

5. A hydraulic pump lubrication protection device according to claim 4, characterized in that, The connecting block (32) is slidably connected to the connecting column (25), the connecting block (32) abuts against the upper end of the support column (24), and the connecting column (25) is threaded with a connecting bolt (7).

6. A hydraulic pump lubrication protection device according to claim 1, characterized in that, The storage box (4) includes a box body (41), which is fixedly connected to the second docking block (31). A first observation window (42) is provided in front of the box body (41), and a cover (43) is threadedly connected to the top of the box body (41).

7. A hydraulic pump lubrication protection device according to claim 1, characterized in that, The injection device (5) includes a chamber (51), which is fixedly connected to a second docking block (31). A lifting rod (52) is slidably connected to the upper part of the chamber (51), and a piston (53) is fixedly connected to the lower end of the lifting rod (52). The piston (53) is slidably connected to the chamber (51). A second observation window (54) is provided in front of the chamber (51). A one-way feed valve (55) is installed below the chamber (51). The input end of the one-way feed valve (55) is connected to the inside of the box (41). A one-way discharge valve (56) is installed at the lower end of the chamber (51). A dropper (57) is fixedly connected below the one-way discharge valve (56).

8. A hydraulic pump lubrication protection device according to claim 1, characterized in that, The auxiliary device (6) includes a support frame (61), which is fixedly connected to a connecting block (32). A frame (62) is fixedly connected above the support frame (61). A drive motor (63) is fixedly connected inside the frame (62). A lifting screw (64) is fixedly connected to the output end of the drive motor (63). A lifting plate (65) is threadedly connected to the middle of the lifting screw (64). The lifting plate (65) is slidably connected to the frame (62). The lifting plate (65) is fixedly connected to the lifting rod (52). A limit rod (66) is fixedly connected inside the frame (62). The limit rod (66) is slidably connected to the lifting plate (65).

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