Hydraulic motor with flushing function

Abstract

The utility model relates to the technical field of hydraulic motors, and discloses a hydraulic motor with a flushing function, which comprises a motor body, a flushing assembly is mounted on the left side surface of the motor body, the flushing assembly comprises an oil passing disc mounted on the left side surface of the motor body, and an oil distribution disc is arranged in the oil passing disc. A low-pressure flow channel is formed in the oil passing disc, a first flow channel is connected to the surface of the bottom of the low-pressure flow channel, and the first flow channel communicates with a second flow channel transversely penetrating through the side wall of the oil passing disc. By arranging the positioning groove, when a worker assembles the flushing assembly, the positioning block is inserted into the positioning groove so that butt joint between the oil passing disc and the motor body can be rapidly completed, rapid installation and positioning are facilitated, and by arranging the steel ball, when the screw plug is rotated, the set screw pushes the steel ball to move, so that the oil passing disc and the motor body can be rapidly installed and positioned. Therefore, the port area of the first flow channel and the port area of the second flow channel are adjusted, and the purpose of adjusting the flushing flow speed of low-pressure oil can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic motors, in particular to a hydraulic motor with a flushing function. Background Art

[0002] The hydraulic motor is an actuator of the hydraulic system. It converts the liquid pressure energy provided by the hydraulic pump into the mechanical energy (torque and speed) of its output shaft. It is mainly used in injection molding machinery, ships, hoists, engineering machinery, construction machinery, coal mining machinery, mining machinery, metallurgical machinery, marine machinery, petrochemical industry, port machinery and other fields.

[0003] Existing hydraulic motors generate heat during operation, causing the temperature of the meshing point between the rotor and the linkage shaft to rise. The temperature rise can easily lead to insufficient lubrication between the rotor and the linkage shaft, thereby affecting the performance and service life of the hydraulic motor. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a hydraulic motor with a flushing function, which can flush the connection between the rotor and the linkage shaft, which can not only have a cooling effect, but also increase the lubricity between the rotor and the linkage shaft, thereby extending the service life of the hydraulic motor and solving the above-mentioned technical problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic motor with a flushing function, comprising a motor body, a flushing assembly installed on the left side surface of the motor body, the flushing assembly comprising an oil pan installed on the left side surface of the motor body, an oil distribution pan is arranged inside the oil pan, and a low-pressure flow channel is opened inside the oil pan, the bottom surface of the low-pressure flow channel is connected to a first flow channel, the first flow channel is connected to a second flow channel that laterally penetrates the side wall of the oil pan, and the right end of the second flow channel is connected to a third flow channel.

[0008] Preferably, a positioning block is processed on the right side surface of the oil pan, and a positioning groove is opened on the left side surface of the motor body, and the positioning block matches the positioning groove.

[0009] Through the above technical solution, by setting the positioning groove, when the staff assembles the flushing component, the positioning block is inserted into the positioning groove to quickly complete the docking between the oil pan and the motor body. The operation is simple and convenient for quick installation and positioning.

[0010] Preferably, a steel ball floating up and down is arranged at the position where the first flow channel and the second flow channel meet, a set screw is arranged closely at the lower end of the steel ball, and the head of the set screw is connected to the screw plug located at the lower end of the oil pan.

[0011] Through the above technical solution, by setting a steel ball, when the screw plug is rotated, the set screw will push the steel ball to move, thereby adjusting the port area of ​​the first flow channel and the second flow channel, thereby achieving the purpose of adjusting the low-pressure oil flushing flow rate.

[0012] Preferably, the diameter of the steel ball is larger than the end diameter of the first flow channel.

[0013] Through the above technical solution, by designing the diameter of the steel ball to be larger than the diameter of the first flow channel, the steel ball can be prevented from entering the interior of the first flow channel when moving, thereby avoiding blockage and improving the smoothness and stability of the device.

[0014] Preferably, a combined sealing gasket is installed between the screw plug and the oil pan.

[0015] Through the above technical solution, the sealing effect between the screw plug and the oil pan can be increased by arranging a combined sealing gasket, thereby avoiding oil leakage.

[0016] Preferably, a sealing ring is installed on the end surface of the connecting portion between the second flow channel and the third flow channel.

[0017] Through the above technical solution, the second flow channel and the third flow channel can be sealed by setting a sealing ring, so that an integral sealed cavity is formed between the two pipes when in use, which helps the flow of oil between the device and the motor body.

[0018] Preferably, the right end of the third flow channel is an internal cavity of the motor body, and an oil drain port is provided at the bottom of the internal cavity.

[0019] Through the above technical solution, by setting the oil drain port, it is convenient for the staff to quickly remove the low-pressure oil from the motor body, the operation is simple, and oil splashing can be avoided.

[0020] Compared with the prior art, the utility model provides a hydraulic motor with a flushing function, which has the following beneficial effects:

[0021] 1. The utility model provides a positioning groove. When the staff assembles the flushing component, the positioning block can be inserted into the positioning groove to quickly complete the docking between the oil pan and the motor body. The operation is simple and convenient, and it is easy to install and position quickly. In addition, by providing a steel ball, when the screw plug is rotated, the set screw will push the steel ball to move, thereby adjusting the port area of ​​the first flow channel and the second flow channel, so as to achieve the purpose of adjusting the low-pressure oil flushing flow rate.

[0022] 2. The utility model designs the diameter of the steel ball to be larger than the diameter of the first flow channel, thereby preventing the steel ball from entering the first flow channel during movement, thereby preventing blockage and improving the smoothness and stability of the device. The oil drain port is provided to facilitate the staff to quickly remove the low-pressure oil from the motor body, which is easy to operate and avoids oil splashing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Figure 3 For the utility model Figure 1 The enlarged structural diagram of point A is shown;

[0026] Figure 4 For the utility model Figure 1 The enlarged structural diagram of point B is shown.

[0027] Among them: 1. Motor body; 2. Oil pan; 21. Positioning block; 3. Oil distribution plate; 31. Positioning groove; 4. Screw plug; 5. Combined sealing gasket; 6. Set screw; 7. Steel ball; 8. First flow channel; 9. Low-pressure flow channel; 10. Second flow channel; 11. Sealing ring; 12. Third flow channel; 13. Oil drain port. DETAILED DESCRIPTION

[0028] 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 in 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.

[0029] Embodiment 1:

[0030] like Figure 1-4 As shown, the utility model provides a hydraulic motor with a flushing function, comprising a motor body 1, a flushing assembly being installed on the left surface of the motor body 1, the flushing assembly comprising an oil pan 2 installed on the left surface of the motor body 1, an oil distribution pan 3 being arranged inside the oil pan 2, and a low-pressure flow channel 9 being opened inside the oil pan 2, a first flow channel 8 being connected to the bottom surface of the low-pressure flow channel 9, the first flow channel 8 being connected to a second flow channel 10 which passes through the side wall of the oil pan 2 laterally, and a third flow channel 12 being connected to the right end of the second flow channel 10.

[0031] Specifically, a positioning block 21 is processed on the right surface of the oil pan 2, and a positioning groove 31 is opened on the left surface of the motor body 1, and the positioning block 21 matches the positioning groove 31. The advantage is that by setting the positioning groove 31, when the staff assembles the flushing component, the positioning block 21 is inserted into the positioning groove 31 to quickly complete the docking between the oil pan 2 and the motor body 1, which is easy to operate and convenient for quick installation and positioning.

[0032] Specifically, a steel ball 7 floating up and down is arranged at the position where the first flow channel 8 and the second flow channel 10 are connected, and a set screw 6 is arranged closely at the lower end of the steel ball 7, and the head of the set screw 6 is connected to the screw plug 4 located at the lower end of the oil pan 2. The advantage is that by providing the steel ball 7, when the screw plug 4 is rotated, the set screw 6 will push the steel ball 7 to move, thereby adjusting the port area of ​​the first flow channel 8 and the second flow channel 10, so as to achieve the purpose of adjusting the low-pressure oil flushing flow rate.

[0033] Specifically, the diameter of the steel ball 7 is larger than the end diameter of the first flow channel 8. The advantage is that by designing the diameter of the steel ball 7 to be larger than the diameter of the first flow channel 8, the steel ball 7 can be prevented from entering the interior of the first flow channel 8 when moving, thereby avoiding blockage and improving the smoothness and stability of the device.

[0034] Embodiment 2:

[0035] like Figure 1-4 As shown, as an improvement to the previous embodiment, specifically, a combined sealing gasket 5 is installed between the screw plug 4 and the oil pan 2. The advantage is that the combined sealing gasket 5 can increase the sealing effect between the screw plug 4 and the oil pan 2 to avoid oil leakage.

[0036] Specifically, a sealing ring 11 is installed on the end surface of the connecting part of the second flow channel 10 and the third flow channel 12. The advantage is that the second flow channel 10 and the third flow channel 12 can be sealed by setting the sealing ring 11, so that an integral sealed cavity is formed between the two pipes when in use, which helps the flow of oil between the device and the motor body 1.

[0037] Specifically, the right end of the third flow channel 12 is the internal cavity of the motor body 1, and the bottom of the internal cavity is provided with an oil drain port 13. The advantage is that by providing the oil drain port 13, it is convenient for the staff to quickly remove the low-pressure oil from the motor body 1, the operation is simple, and oil splashing is avoided.

[0038] Working principle: When in use, by setting the positioning groove 31, when the staff assembles the flushing component, the positioning block 21 is inserted into the positioning groove 31 to quickly complete the docking between the oil pan 2 and the motor body 1. The operation is simple and convenient for quick installation and positioning. By setting the steel ball 7, when the screw plug 4 is rotated, the set screw 6 will push the steel ball 7 to move, thereby adjusting the port area of ​​the first flow channel 8 and the second flow channel 10, so as to achieve the purpose of adjusting the low-pressure oil flushing flow rate, and by adjusting the diameter of the steel ball 7 The pipe diameter designed to be larger than the first flow channel 8 can prevent the steel ball 7 from entering the first flow channel 8 when moving, avoid clogging, and improve the smoothness and stability of the device. By setting the oil drain port 13, it is convenient for the staff to quickly take out the low-pressure oil from the motor body 1, which is easy to operate and avoids oil splashing. The low-pressure oil passes through the low-pressure flow channel 9 of the oil pan 2, and enters the first flow channel 8, the second flow channel 10, and the third flow channel 12 in turn from the low-pressure flow channel 9, so as to cool and flush the hydraulic motor, and finally discharged from the oil drain port 13.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic motor with a flushing function, comprising a motor body (1), characterized in that: A flushing assembly is installed on the left side surface of the motor body (1), and the flushing assembly includes an oil pan (2) installed on the left side surface of the motor body (1), an oil distribution pan (3) is arranged inside the oil pan (2), and a low-pressure flow channel (9) is opened inside the oil pan (2), and the bottom surface of the low-pressure flow channel (9) is connected to a first flow channel (8), and the first flow channel (8) is connected to a second flow channel (10) that laterally penetrates the side wall of the oil pan (2), and the right end of the second flow channel (10) is connected to A third flow channel (12), a positioning block (21) is processed on the right side surface of the oil pan (2), a positioning groove (31) is opened on the left side surface of the motor body (1), the positioning block (21) matches the positioning groove (31), a steel ball (7) floating up and down is arranged at the position where the first flow channel (8) and the second flow channel (10) are connected, a set screw (6) is tightly arranged at the lower end of the steel ball (7), and the head of the set screw (6) is connected to the screw plug (4) located at the lower end of the oil pan (2).

2. A hydraulic motor with flushing function according to claim 1, characterized in that: The diameter of the steel ball (7) is greater than the diameter of the end of the first flow channel (8).

3. A hydraulic motor with flushing function according to claim 1, characterized in that: A combined sealing gasket (5) is installed between the screw plug (4) and the oil pan (2).

4. The hydraulic motor with flushing function according to claim 1, characterized in that: A sealing ring (11) is installed on the end surface of the portion where the second flow channel (10) and the third flow channel (12) are connected.

5. The hydraulic motor with flushing function according to claim 1, characterized in that: The right end of the third flow channel (12) is an internal cavity of the motor body (1), and an oil drain port (13) is provided at the bottom of the internal cavity.

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