Automatic removal and collection device and method for residual oil in hydraulic steering gear and valve parts

Abstract

The present invention discloses a device and method for automatically removing and collecting residual oil from hydraulic steering gear and valve parts. The hydraulic steering gear and valve parts are installed on a connecting mechanism by rotating a handle and a limit stud of a locking mechanism, and the transmission mechanism is pulled forward through a slide rail to be connected with a spline in the hydraulic steering gear; the central control switch is pressed, and the gas compressor starts to work to transmit the compressed gas to an oil-water filter through a first transparent hose, and water in the gas is filtered out through the oil-water filter. The gas continues to be transmitted to a connecting block through a second transparent hose, and the gas enters an oil inlet of the hydraulic steering gear through an oil port of the connecting block. At this time, the motor starts to work, and the rotation of the spline joint drives the rotation of a valve core and a valve sleeve of the hydraulic steering gear. During the rotation, the residual oil in the hydraulic steering gear is completely blown out of the hydraulic steering gear and valve parts by the compressed gas, and is transmitted to the residual oil filter through a first oil pipeline, a second oil pipeline and a third oil pipeline. After the filtering is completed, the residual oil flows into a residual oil collection box.

Description

Technical Field

[0001] The invention relates to the technical field of residual oil recovery, in particular to a residual oil removal and recovery device and method for hydraulic steering gears and valve components. Background Art

[0002] Hydraulic steering gear is hydraulic power steering gear. Steering gear (also often called steering machine) is a set of gear mechanism that completes the transformation from rotary motion to linear motion (or approximate linear motion), and is also a reduction transmission device in the steering system. It is the most important component in the steering system. Hydraulic steering gear is a cycloid rotary valve type full hydraulic steering gear composed of a follower rotary valve and a cycloid stator pair. It is a full hydraulic steering system composed of a fuel supply pump, a relief valve (or a diverter valve), a steering cylinder and other connecting accessories.

[0003] After the performance test of the existing hydraulic steering gear is completed, there is often residual oil in the hydraulic steering gear, and there are often impurities in the residual oil. The oil in some hydraulic steering gears will flow out of the hydraulic steering gear, causing the product to be unqualified. Therefore, in order to solve such problems, the present invention proposes a device and method with residual oil removal and collection functions. Summary of the invention

[0004] Purpose of the invention: The present invention proposes a device and method with residual oil removal and collection function, which solves the problem that after the performance test of the hydraulic steering gear is completed, there is often residual oil in the hydraulic steering gear, and the residual oil often contains impurities, and the oil in part of the hydraulic steering gear will flow out of the hydraulic steering gear, causing the product to be unqualified.

[0005] Technical solution: To achieve the above objectives, the present invention is implemented through the following technical solution: a device with the function of collecting residual oil of hydraulic steering gear and valve parts, comprising an operating table, the operating table is provided with a residual oil collection hole, and a residual oil filter is provided on the residual oil collection hole of the operating table.

[0006] The operating table is provided with a central control switch and an emergency stop device.

[0007] A residual oil collection box is provided on the operating table.

[0008] The bottom bracket of the operating table is provided with a gas compressor, and the gas compressor is connected with a first transparent hose.

[0009] The operating panel of the operating table is provided with an oil-water filter, and the oil-water filter is connected to the first transparent hose of the gas compressor, and the right end of the oil-water filter is connected to the second transparent hose of the connecting block.

[0010] The table top of the operating table is provided with a base, a connecting block is fixed on the base, a first locking sleeve is provided on the connecting block, the first locking sleeve is connected to the second transparent hose, a second locking sleeve is provided on the connecting block, the second locking sleeve is connected to the first oil pipeline, a third locking sleeve is provided on the connecting block, the third locking sleeve is connected to the second oil pipeline, and a fourth locking sleeve is provided on the connecting block, and the fourth locking sleeve is connected to the third oil pipeline.

[0011] The base is fixed with a locking mechanism, the locking mechanism is provided with a connecting plate, a rotating handle is installed on the connecting plate, a pressing plate is provided under the rotating handle, and a limiting stud is connected to the pressing plate.

[0012] A slide rail is fixed on the base, a slide table is connected to the slide rail, a motor is fixed on the slide table, a clamping block is installed at the front end of the motor, and a spline joint is fixed at the front end of the clamping block.

[0013] The method for automatically removing and recovering residual oil using the above device is as follows:

[0014] Before draining the residual oil from the hydraulic steering gear and valve parts, first rotate the rotary handle (27) of the locking mechanism (12) to a suitable position, then adjust the limit distance of the limit stud (24) to a suitable position, install the hydraulic steering gear and valve parts on the connecting mechanism (10), tighten the rotary handle (27), and pull the transmission mechanism (13) forward to the spline connection inside the hydraulic steering gear;

[0015] After the hydraulic steering gear is fixedly connected, the central control switch (9) is pressed, and the gas compressor (8) starts to work to transmit the compressed gas to the oil-water filter (14) through the first transparent hose (33). The water in the gas is filtered out by the oil-water filter (14), and the gas is continuously transmitted to the connecting block (17) through the second transparent hose (15). The gas enters the P port of the hydraulic steering gear through the oil port of the connecting block. At this time, the motor starts to work, and the spline joint (32) rotates to drive the valve core and valve sleeve of the hydraulic steering gear to rotate. During the rotation process, the residual oil in the hydraulic steering gear is completely blown out of the hydraulic steering gear and valve parts by the compressed gas, and is transmitted to the residual oil filter (6) through the first oil pipeline (16), the second oil pipeline (20) and the third oil pipeline (19). After the filtering is completed, the residual oil flows into the residual oil collection box 7).

[0016] After removing the residual oil, the operation can be stopped by pressing the emergency stop button.

[0017] Beneficial effects of the present invention:

[0018] 1. The present invention can discharge more than 98% of the residual oil of hydraulic steering gear and valve parts through the dual effects of transmission mechanism and air compressor, thus reducing the long-term work of draining residual oil and improving the work efficiency of hydraulic steering gear and valve parts production units.

[0019] 2. The present invention collects the residual oil uniformly into the residual oil filtering device through an air compressor. The collected residual oil can directly enter the hydraulic steering gear and valve parts performance test bench, reducing intermediate pollution, improving the product cleanliness level, reducing particulate pollution, and saving enterprise production costs.

[0020] 3. The present invention is highly versatile and can meet the residual oil collection needs of more than 90% of hydraulic steering gears and valve parts on the market. It has a good market prospect and can solve the relevant needs of most companies.

[0021] 4. The present invention is easy to operate and can be operated without professional knowledge. It meets the needs of large-scale production of enterprises, can save production costs of enterprises, improve production efficiency of enterprises, optimize product quality, and improve its market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 It is a schematic diagram of the specific structure of the connecting mechanism of the present invention;

[0024] Figure 3 It is a schematic diagram of the specific structure of the locking mechanism of the present invention;

[0025] Figure 4 It is a specific structural schematic diagram of the transmission mechanism of the present invention;

[0026] 5. Operating table; 6. Residual oil filter; 7. Residual oil collection box; 8. Gas compressor; 9. Central control switch and emergency stop button; 10. Connecting mechanism; 11. Base; 12. Locking mechanism; 13. Transmission mechanism; 14. Oil-water filter; 15. Second transparent hose; 16. First oil pipeline; 17. Connecting block; 18. Fourth locking sleeve; 19. Third oil pipeline; 20. Second oil pipeline; 21. Third locking sleeve; 22. First locking sleeve; 23. Second locking sleeve; 24. Limiting stud; 25. Connecting plate; 26. Pressing plate; 27. Rotating handle; 28. Motor; 29. ​​Slide; 30. Slide rail; 31. Clamping block; 32. Spline joint; 33. First transparent hose; 34. Connecting block oil port; 35. Residual oil collection hole. DETAILED DESCRIPTION

[0027] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-4 , the embodiment of the present invention provides a technical solution: Figures 1 to 4 As shown, a device with the function of collecting residual oil of hydraulic steering gear and valve parts includes an operating table 5, the operating table 5 is provided with a residual oil collection hole, and a residual oil filter 6 is provided on the residual oil collection hole 35 of the operating table 5.

[0029] The operating table is provided with a central control switch and an emergency stop device 9.

[0030] A residual oil collecting box 7 is provided on the operating table.

[0031] The bottom bracket of the operating table 5 is provided with a gas compressor 8 , and the gas compressor 8 is connected with a first transparent hose 33 .

[0032] The operating panel of the operating table 5 is provided with an oil-water filter 14 , and the inlet end of the oil-water filter 14 is connected to the first transparent hose 33 of the gas compressor 8 , and the outlet end of the oil-water filter 14 is connected to the second transparent hose 15 of the connecting block 17 .

[0033] The tabletop of the operating table 5 is provided with a base 11, on which a connecting mechanism 10 is fixed, and the connecting mechanism 10 includes a connecting block 17, on which a first locking sleeve 22 is provided, and the first locking sleeve 22 is connected to the second transparent hose 15, on which a second locking sleeve 23 is provided, and the second locking sleeve 23 is connected to the first oil pipeline 16, on which a third locking sleeve 21 is provided, and the third locking sleeve 21 is connected to the second oil pipeline 20, and on which a fourth locking sleeve 18 is provided, and the fourth locking sleeve 18 is connected to the third oil pipeline 19. The first oil pipeline 16, the second oil pipeline 20, and the third oil pipeline 19 are all connected to the residual oil filter 6.

[0034] The base 11 is fixed with a locking mechanism 12, the locking mechanism 12 is provided with a connecting plate 25, the connecting plate 25 is mounted with a rotating handle 27, a pressing plate 26 is provided under the rotating handle 27, and the pressing plate 26 is connected with a limiting stud 24. The height of the pressing plate 26 can be adjusted to correspond to different types of hydraulic steering gears and valve components by rotating the limiting stud 24, and the hydraulic steering gear and valve components to be discharged with residual oil can be fixed on the connecting block 17 by rotating the rotating handle 27.

[0035] A slide rail 30 is fixed on the base 11 , and a slide table 29 is connected to the slide rail 30 . A motor 28 is fixed on the slide table 29 . A clamping block 31 is installed at the front end of the motor 28 , and a spline joint 32 is fixed at the front end of the clamping block 31 .

[0036] Working principle: Before draining the residual oil from the hydraulic steering gear and valve parts, first rotate the rotating handle 27 of the locking mechanism 12 to a suitable position, then adjust the limiting distance of the limiting stud 24 to a suitable position, install the hydraulic steering gear and valve parts on the connecting mechanism 10, tighten the rotating handle 27, and pull the transmission mechanism 13 forward to the spline connection inside the hydraulic steering gear.

[0037] Press the central control switch 9, the gas compressor 8 starts to work and transmits the compressed gas to the oil-water filter 14 through the first transparent hose 33 to filter out the water in the gas to prevent corrosion of the hydraulic steering gear and valve parts. The gas continues to be transmitted to the connecting block 17 through the second transparent hose 15, and the gas enters the oil inlet of the hydraulic steering gear through the connecting block oil port 34. At this time, the transmission mechanism 13 starts to work, and the spline joint 32 rotates to drive the hydraulic steering gear valve core valve sleeve to rotate. During the rotation process, the residual oil in the hydraulic steering gear is blown out of the hydraulic steering gear and valve parts due to the compressed gas, and is transmitted to the residual oil filter 6 through the first oil pipeline 16, the second oil pipeline 20 and the third oil pipeline 19. After the filtering is completed, the residual oil flows into the residual oil collection box 7. The emergency stop button is used to stop the operation of the entire device.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions.

[0039] Although the 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 the scope of the present invention is defined by the appended claims and their equivalents.

[0040] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the present invention. They are not intended to limit the scope of protection of the present invention. All equivalent methods or changes that do not deviate from the technical creation of the present invention should be included in the scope of protection of the present invention.

Claims

1. Automatic removal and collection device for residual oil of hydraulic steering gear and valve parts, characterized in that: The operating table (5) comprises an operating table (5) having a residual oil collection hole, a residual oil filter (6) being arranged on the residual oil collection hole of the operating table, and a residual oil collection box being arranged under the residual oil collection hole; the residual oil filtered by the residual oil filter can flow into the residual oil collection box through the residual oil collection hole; An oil-water filter (14) is also provided on the operating table, and the inlet end of the oil-water filter (14) is connected to the gas compressor (8) via a first transparent hose (33), and the outlet end of the oil-water filter (14) is connected to the inlet end of the connecting mechanism (10) via a second transparent hose (15); the outlet end of the connecting mechanism (10) is connected to the residual oil filter (6); The operating table is also provided with a locking mechanism (12) and a transmission mechanism (13), the locking mechanism (12) and the transmission mechanism (13) cooperate with the connecting mechanism (10), the locking mechanism is used to lock and fix the hydraulic steering gear on the connecting mechanism, and the transmission mechanism can drive the valve core and valve sleeve of the fixed hydraulic steering gear to rotate; The connecting mechanism (10) comprises a connecting block (17), wherein a first locking sleeve (22) is provided on the connecting block (17), and the first locking sleeve (22) is connected to the second transparent hose (15); a second locking sleeve (23) is provided on the connecting block (17), and the second locking sleeve (23) is connected to the first oil delivery pipe (16); a third locking sleeve (21) is provided on the connecting block (17), and the third locking sleeve (21) is connected to the second oil delivery pipe (20); a fourth locking sleeve (18) is provided on the connecting block (17), and the fourth locking sleeve (18) is connected to the third oil delivery pipe (19), wherein the first oil delivery pipe (16), the second oil delivery pipe (20), and the third oil delivery pipe (19) are all connected to the residual oil filter (6); and a plurality of oil ports are provided on the connecting block (17) for receiving residual oil of the hydraulic steering gear; The locking mechanism (12) is provided with a connecting plate (25), a rotating handle (27) is installed on the connecting plate (25), a pressing plate (26) is provided under the rotating handle (27), and a limiting stud (24) is connected to the pressing plate (26); The transmission mechanism (13) is fixed on the base (11) of the operating table, and comprises a slide rail (30), the slide rail is connected to a slide table (29), a motor (28) is fixed on the slide table (29), a clamping block (31) is installed at the front end of the motor (28), a spline joint (32) is fixed at the front end of the clamping block (31), and the spline joint (32) is connected to a hydraulic steering gear, thereby driving the hydraulic steering gear to rotate.

2. The automatic residual oil removal and collection device for hydraulic steering gear and valve parts according to claim 1 is characterized in that: The connection mechanism is fixed on the surface of the operating table (5) via a base (11).

3. The automatic residual oil removal and collection device for hydraulic steering gear and valve parts according to claim 1 is characterized in that: The operating table (5) is provided with a central control switch (9) and an emergency stop button, which are used to start and stop the device respectively.

4. The automatic residual oil removal and collection device for hydraulic steering gear and valve parts according to claim 3 is characterized in that: The oil-water filter (14) is arranged on the operation panel above the side of the operation table.

5. The automatic residual oil removal and collection device for hydraulic steering gear and valve parts according to claim 4 is characterized in that: The gas compressor (8) is located at the bottom bracket of the operating table.

6. A method for automatically removing and collecting residual oil from hydraulic steering gear and valve parts based on the device for automatically removing and collecting residual oil from hydraulic steering gear and valve parts according to claim 5, characterized in that: Before draining the residual oil from the hydraulic steering gear and valve parts, first rotate the rotary handle (27) of the locking mechanism (12) to a suitable position, then adjust the limit distance of the limit stud (24) to a suitable position, install the hydraulic steering gear and valve parts on the connecting mechanism (10), tighten the rotary handle (27), and pull the transmission mechanism (13) forward to the spline connection inside the hydraulic steering gear; After the hydraulic steering gear is fixedly connected, the central control switch (9) is pressed, and the gas compressor (8) starts to work to transmit the compressed gas to the oil-water filter (14) through the first transparent hose (33). The water in the gas is filtered out by the oil-water filter (14), and the gas is further transmitted to the connecting block (17) through the second transparent hose (15). The gas enters the oil inlet of the hydraulic steering gear through the oil port of the connecting block. At this time, the motor starts to work, and the spline joint (32) rotates to drive the valve core and valve sleeve of the hydraulic steering gear to rotate. During the rotation process, the residual oil in the hydraulic steering gear is completely blown out of the hydraulic steering gear and valve parts by the compressed gas, and is transmitted to the residual oil filter (6) through the first oil pipeline (16), the second oil pipeline (20) and the third oil pipeline (19). After the filtering is completed, the residual oil flows into the residual oil collection box (7).

7. The method for automatically removing and collecting residual oil from hydraulic steering gear and valve parts according to claim 6 is characterized in that: The entire device can be stopped by the emergency stop button.

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