A vehicle hydraulic system external pump station with filtering mechanism

Abstract

The invention discloses an external pump station of a vehicle hydraulic system with a filtering mechanism, belonging to the technical field of hydraulic pump stations, comprising a filter box and an oil inlet pipe and an oil outlet pipe connected at both sides of the filter box, the interior of the filter box is divided into a chamber a and a chamber b, a bearing a is embedded and fixedly connected at the top of the filter box, and a rotating shaft is rotatably connected in the bearing a, a rotating handle is fixedly connected to one end of the rotating shaft located at the outer side of the filter box, a main bevel gear is fixedly connected to one end located inside the filter box and extending to the inside of the chamber b, and the main bevel gear is meshed with the slave bevel gear; the filter screen can be cleaned from the outside, which is convenient and simple, and no disassembly operation is required, thereby ensuring long-term operation of the filtering operation, and the filtered impurities fall into the guide groove, slide along the guide groove to the bottom of the guide groove, and the impurities can be discharged through the slag discharge pipe by opening the valve, which is convenient to clean the impurities and easy to disassemble and assemble, thereby ensuring effective filtering operation of the filter screen.

Description

Technical Field

[0001] The invention belongs to the technical field of hydraulic pump stations, and in particular relates to an external pump station of a vehicle hydraulic system with a filtering mechanism. Background Art

[0002] The hydraulic power pump station is a pump station that provides hydraulic power in the hydraulic system. It generally uses hydraulic oil that meets the requirements of the hydraulic system as the medium. The medium that meets the required flow and pressure is pumped out by the original power for use by the hydraulic system. The medium of the hydraulic power pump station is generally recycled, so it is equipped with a cooling system, a filtering system, a pressure regulating system, a safety system, a flow regulation system, a pressure and temperature indicator, a valve control and a medium storage box, and some are also equipped with energy storage devices.

[0003] At present, the energy filtering device of the hydraulic system of special vehicles can meet the emergency repair tasks at the same time. The energy filtering device of the hydraulic system will be used as an external energy source for the hydraulic system of special vehicles during repair. When the vehicle engine is overhauled, the hydraulic pump fails, etc. cannot provide hydraulic energy, the hydraulic system will be provided with external energy. A filtering device needs to be installed in the hydraulic pump station to filter out large particles of impurities or colloidal substances in the hydraulic oil to improve the purity of the hydraulic oil. However, in the existing filtering device, impurities will adhere to the surface of the filter in large quantities during filtering, which will affect the filtering effect of the filter after long-term use. At the same time, it is easy to cause the filter to be blocked, the oil to pass through unsmoothly, etc., and it is difficult to clean. Summary of the invention

[0004] The object of the present invention is to provide an external pump station for a vehicle hydraulic system having a filtering mechanism to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a vehicle hydraulic system external pump station with a filtering mechanism, comprising a filter box and an oil inlet pipe and an oil outlet pipe connected to both sides of the filter box, the interior of the filter box is divided into a chamber a and a chamber b, a bearing a is embedded and fixedly connected to the top of the filter box, and a rotating shaft is rotatably connected in the bearing a, a rotating handle is fixedly connected to one end of the rotating shaft located outside the filter box, and a main bevel gear is fixedly connected to one end located inside the filter box and extending to the inside of the chamber b, and the main bevel gear is meshed with a slave bevel gear, and the slave bevel gear is fixedly connected to the transmission shaft A plurality of worms are fixedly connected to the outer wall of the transmission shaft, and the plurality of worms are respectively meshed with a plurality of worm wheels, the worm wheels are fixedly connected to one end of the rotating shaft located in chamber b, the rotating shaft is rotatably connected at the connection between chamber a and chamber b through a sealed bearing, a reciprocating screw is fixedly connected to one end of the rotating shaft located inside chamber a, and a thread sleeve is spirally connected to the outer wall of the reciprocating screw, and the thread sleeve is fixedly connected to a cleaning rod, the cleaning rod is attached to a side wall of the filter screen facing the oil inlet pipe, a disassembly assembly is fixedly provided on one side wall of the filter box, and four filter screens are fixedly connected to the disassembly assembly.

[0006] As a preferred embodiment, both ends of the transmission shaft are rotatably connected in bearings b, and the two bearings b are embedded and fixed on the inner wall of the chamber b.

[0007] As a preferred embodiment, a guide groove is provided at the bottom of the chamber a on one side of the filter screen, and the guide groove is located directly below the reciprocating screw, and the bottom of the guide groove is a slope structure inclined downward.

[0008] As a preferred embodiment, a slag discharge pipe is connected to the bottom of the filter box at a position corresponding to the bottom of the guide groove, and a valve is installed on the slag discharge pipe.

[0009] As a preferred embodiment, the disassembly and assembly component includes an inspection plate connected to a side wall of the filter box, and connecting parts are fixedly connected to the four sides of the inspection plate, and the four connecting parts are provided with fixing bolts, and the four fixing bolts are used in conjunction with four screw holes opened on the side wall of the filter box.

[0010] As a preferred embodiment, four through holes are opened on one side wall of the filter box at positions corresponding to the four filter screens, and a sealing ring is fixed on the outer side wall of the inspection plate.

[0011] As a preferred implementation, the inner diameter of the through hole is consistent with the cross-sectional size of the filter screen.

[0012] As a preferred implementation, the number of mesh holes on the filter screen is specifically 150 meshes to 200 meshes.

[0013] Compared with the prior art, the vehicle hydraulic system external pump station with a filtering mechanism provided by the present invention has at least the following beneficial effects:

[0014] (1) The rotating shaft is driven to rotate by rotating the handle, and the transmission shaft is driven to rotate under the meshing action of the main bevel gear and the slave bevel gear, and then the reciprocating screw is driven to rotate through the rotating shaft under the meshing action of the worm and worm gear, so that the thread sleeve can move up and down on the reciprocating screw, and then the cleaning rod is driven to move on the surface of the filter screen, so as to remove impurities adhering to the surface of the filter screen. The filter screen can be cleaned from the outside, which is convenient and simple, without the need for disassembly, ensuring the long-term operation of the filtering operation, and the filtered impurities fall into the guide groove, slide along the guide groove to the bottom of the guide groove, open the valve to discharge the impurities through the slag discharge pipe, and the impurities are convenient to clean;

[0015] (2) If the filter is still severely clogged after cleaning, the four fixing bolts can be unscrewed and the four filters can be taken out of the filter box through the inspection panel. Manual cleaning can be performed from the outside. After cleaning, the filter can be put back into the filter box. The disassembly and assembly are simple to ensure the effective filtering operation of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention;

[0017] Figure 2 It is a schematic structural diagram of a cross-section of the filter box of the present invention;

[0018] Figure 3 It is a structural schematic diagram of the filter screen cleaning component in the filter box of the present invention;

[0019] Figure 4 It is a structural schematic diagram of the disassembly and assembly components of the present invention;

[0020] Figure 5 It is a schematic structural diagram of one side wall of the filter box of the present invention.

[0021] In the figure: 1. filter box; 2. oil inlet pipe; 3. oil outlet pipe; 4. chamber a; 5. chamber b; 6. bearing a; 7. rotating shaft; 8. turning handle; 9. main bevel gear; 10. slave bevel gear; 11. transmission shaft; 12. bearing b; 13. worm; 14. worm wheel; 15. rotating shaft; 16. sealed bearing; 17. reciprocating screw; 18. threaded sleeve; 19. cleaning rod; 20. filter screen; 21. guide groove; 22. slag discharge pipe; 23. valve; 24. disassembly and assembly components; 241. inspection plate; 242. connecting piece; 243. fixing bolt; 244. screw hole; 245. through hole; 246. sealing ring. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the embodiments.

[0023] The following examples are used to illustrate the present invention, but they cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions. Simple improvements to the method of the present invention under the premise of the concept of the present invention belong to the scope of protection claimed in the present invention.

[0024] See also Figure 1-5 The present invention provides a vehicle hydraulic system external pump station with a filtering mechanism, comprising a filter box 1 and an oil inlet pipe 2 and an oil outlet pipe 3 connected to both sides of the filter box 1, the interior of the filter box 1 is divided into a chamber a4 and a chamber b5, a bearing a6 is embedded and fixedly connected at the top of the filter box 1, and a rotating shaft 7 is rotatably connected in the bearing a6, a rotating handle 8 is fixedly connected to the end of the rotating shaft 7 located outside the filter box 1, and a main bevel gear 9 is fixedly connected to the end located inside the filter box 1 and extending to the inside of the chamber b5, and the main bevel gear 9 is meshed with a slave bevel gear 10, and the slave bevel gear 10 is fixed to a transmission shaft 11, both ends of the transmission shaft 11 are rotatably connected in the bearing b12, and the two bearings b12 are embedded and fixedly connected to the inner wall of the chamber b5 (see Figure 3 ); through the action of the bearing b12, the transmission shaft 11 is ensured to be more stable during rotation.

[0025] A plurality of worms 13 are fixedly connected to the outer wall of the transmission shaft 11, and the plurality of worms 13 are respectively meshed with a plurality of worm wheels 14, the worm wheels 14 are fixedly connected to one end of the rotating shaft 15 located in the chamber b5, the rotating shaft 15 is rotatably connected to the connection between the chamber a4 and the chamber b5 through a sealed bearing 16, a reciprocating screw 17 is fixedly connected to one end of the rotating shaft 15 located inside the chamber a4, and a thread sleeve 18 is spirally connected to the outer wall of the reciprocating screw 17, and the thread sleeve 18 is fixedly connected to a cleaning rod 19, the cleaning rod 19 is attached to a side wall of the filter screen 20 facing the oil inlet pipe 2, the bottom of the chamber a4 is located on one side of the filter screen 20, and a guide groove 21 is opened, and the guide groove 21 is located directly below the reciprocating screw 17, and the bottom of the guide groove 21 is a downwardly inclined inclined surface structure (see Figure 2 ); The filtered impurities fall into the guide groove 21 and slide along the guide groove 21 to the bottom of the guide groove 21.

[0026] The bottom of the filter box 1 is connected to a slag discharge pipe 22 at the bottom of the guide groove 21, and a valve 23 is installed on the slag discharge pipe 22 (see Figure 1 , Figure 2 and Figure 5 ); Open the valve 23 to discharge impurities through the slag discharge pipe 22, which is convenient for cleaning impurities.

[0027] A disassembly assembly 24 is fixedly provided on one side wall of the filter box 1, and the four filter screens 20 are fixedly connected to the disassembly assembly 24. The disassembly assembly 24 includes an inspection plate 241 connected to one side wall of the filter box 1, and the four sides of the inspection plate 241 are fixedly connected to connecting members 242, and the four connecting members 242 are provided with fixing bolts 243, and the four fixing bolts 243 are used in conjunction with four screw holes 244 opened on one side wall of the filter box 1 (see Figure 4 and Figure 5 ); If the filter screen 20 is still severely clogged after cleaning, the four fixing bolts 243 can be screwed out and the four filter screens 20 can be taken out from the filter box 1 through the inspection plate 241, and the manual cleaning operation can be performed from the outside. After the cleaning is completed, the filter screen 20 can be installed back into the filter box 1. The disassembly and assembly are simple, which can ensure the effective filtering operation of the filter screen 20.

[0028] Four through holes 245 are provided on one side wall of the filter box 1 at positions corresponding to the four filter screens 20, and a sealing ring 246 is fixedly provided on the outer side wall of the inspection plate 241 (see FIG. Figure 5 The through hole 245 is provided to facilitate the simultaneous removal and installation of the four filters 20, and the sealing ring 246 is provided to strengthen the sealing effect of the access plate 241 and the side wall of the filter box 1 to prevent oil leakage.

[0029] The inner diameter of the through hole 245 is consistent with the cross-sectional size of the filter screen 20 (see Figure 5 ); ensure that the filter screen 20 can be smoothly pulled out from the through hole.

[0030] The number of mesh holes on the filter screen 20 is specifically 150 mesh to 200 mesh (see Figure 2 ) can filter impurities with a size of 0.1mm to 0.075m in hydraulic oil.

[0031] When in use, oil enters the filter box 1 through the oil inlet pipe 2 for filtering, and the filtered oil is discharged through the oil outlet pipe 3. If it is necessary to clean the filter screen 20 in the filter box 1, the rotating shaft 7 is driven to rotate by rotating the handle 8, and the transmission shaft 11 is driven to rotate under the meshing action of the main bevel gear 9 and the slave bevel gear 10, and then the reciprocating screw 17 is driven to rotate through the rotating shaft 15 under the meshing action of the worm 13 and the worm wheel 14, so that the wire sleeve 18 can move up and down on the reciprocating screw 17, and then the cleaning rod 19 is driven to move on the surface of the filter screen 20, so that Remove impurities adhered to the surface of the filter screen 20, and the filtered impurities fall into the guide groove 21, slide along the guide groove 21 to the bottom of the guide groove 21, open the valve 23 to discharge the impurities through the slag discharge pipe 22. If the cleaned filter screen 20 is still seriously clogged, the four fixing bolts 243 can be screwed out and the four filter screens 20 can be taken out of the filter box 1 through the inspection plate 241, and manual cleaning operations can be performed from the outside. After cleaning, the filter screen 20 is reinstalled into the filter box 1 through the through hole 245, and the four fixing bolts 243 are screwed back in.

[0032] 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 vehicle hydraulic system external pump station with a filtering mechanism, comprising a filter box (1) and an oil inlet pipe (2) and an oil outlet pipe (3) connected on both sides of the filter box (1), characterized in that: The interior of the filter box (1) is divided into a chamber a (4) and a chamber b (5). A bearing a (6) is embedded and fixedly connected at the top of the filter box (1), and a rotating shaft (7) is rotatably connected in the bearing a (6). A rotating handle (8) is fixedly connected to one end of the rotating shaft (7) located outside the filter box (1), and a main bevel gear (9) is fixedly connected to one end located inside the filter box (1) and extending into the chamber b (5). The main bevel gear (9) is meshed with a slave bevel gear (10). The slave bevel gear (10) is fixedly connected to a transmission shaft (11). A plurality of worms (13) are fixedly connected to an outer wall of the transmission shaft (11), and the plurality of worms (13) are respectively meshed with a plurality of worm wheels (14). The worm wheels (14) are fixedly connected to one end of the rotating shaft (15) located inside the chamber b (5). The rotating shaft (15) is rotatably connected to the chamber a (4) and the chamber b (5) via a sealed bearing (16). The rotating shaft (15) is located at a connection point inside the chamber a (4), and a reciprocating screw (17) is fixedly connected to one end of the rotating shaft (15) inside the chamber a (4), and a thread sleeve (18) is spirally connected to the outer wall of the reciprocating screw (17), and the thread sleeve (18) is fixedly connected to a cleaning rod (19), and the cleaning rod (19) is attached to a side wall of the filter screen (20) facing the oil inlet pipe (2), and a disassembly assembly (24) is fixedly provided on one side wall of the filter box (1), and the four filter screens (20 ) are fixedly connected to the disassembly assembly (24), both ends of the transmission shaft (11) are rotatably connected in the bearing b (12), and the two bearings b (12) are embedded and fixedly connected to the inner wall of the chamber b (5), and the bottom of the chamber a (4) is located on one side of the filter screen (20) and is provided with a guide groove (21), and the guide groove (21) is located directly below the reciprocating screw (17), and the bottom of the guide groove (21) is a slope structure inclined downward.

2. The vehicle hydraulic system external pump station with a filtering mechanism according to claim 1, characterized in that: The bottom of the filter box (1) is connected to a slag discharge pipe (22) at a position corresponding to the bottom of the guide groove (21), and a valve (23) is installed on the slag discharge pipe (22).

3. The vehicle hydraulic system external pump station with a filtering mechanism according to claim 1, characterized in that: The disassembly assembly (24) comprises an inspection plate (241) connected to a side wall of the filter box (1), and connecting pieces (242) are fixedly connected to four sides of the inspection plate (241), and fixing bolts (243) are provided on the four connecting pieces (242), and the four fixing bolts (243) are used in conjunction with four screw holes (244) opened on a side wall of the filter box (1).

4. The vehicle hydraulic system external pump station with a filtering mechanism according to claim 3, characterized in that: Four through holes (245) are provided on one side wall of the filter box (1) at positions corresponding to the four filter screens (20), and a sealing ring (246) is fixedly provided on the outer side wall of the inspection plate (241).

5. The vehicle hydraulic system external pump station with a filtering mechanism according to claim 4, characterized in that: The inner diameter of the through hole (245) is consistent with the cross-sectional dimension of the filter screen (20).

6. The vehicle hydraulic system external pump station with a filtering mechanism according to claim 1, characterized in that: The number of mesh holes on the filter screen (20) is specifically 150 meshes to 200 meshes.

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