CN114042711B - Pre-lubrication and cleaning device for automatic gearbox of automobile - Google Patents
Pre-lubrication and cleaning device for automatic gearbox of automobile Download PDFInfo
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- CN114042711B CN114042711B CN202111126646.0A CN202111126646A CN114042711B CN 114042711 B CN114042711 B CN 114042711B CN 202111126646 A CN202111126646 A CN 202111126646A CN 114042711 B CN114042711 B CN 114042711B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 22
- 238000005461 lubrication Methods 0.000 title claims abstract description 13
- 238000005086 pumping Methods 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000005303 weighing Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to a pre-lubrication and cleaning device for an automatic gearbox of an automobile, which comprises a frame, an oiling mechanism, a gearbox driving mechanism, an oil pumping mechanism and a circulating filtering mechanism, wherein the oil pumping mechanism is arranged on the frame; the oiling mechanism comprises an oiling oil tank and an automatic oiling nozzle, and the oiling oil tank is connected with an oil source through an oil inlet pipe; the oil pumping mechanism comprises an oil pumping pipe, a back suction tank and a dirty oil tank, one end of the oil pumping pipe is connected with an oil outlet of the automatic gearbox of the automobile, and the other end of the oil pumping pipe is connected with the back suction tank; the circulating filtering mechanism comprises a filter group, a clean oil tank and an electric gear pump a, and the dirty oil tank is connected with the filter group through a dirty oil conveying pipe; the filter group is connected with the oil purifying tank through a filtered oil conveying pipe; the oil purifying tank is connected with the transmission driving mechanism connected with the input shaft of the automatic transmission of the automobile through the oil return pipe and the filling oil tank through the electric gear pump a, and the input power drives the gears of the automatic transmission of the automobile to rotate. The invention can remove foreign matters in the gearbox, prolong the service life of the gearbox and reduce the later maintenance cost.
Description
Technical Field
The invention relates to the field of automobile gearbox assembly equipment, in particular to an automobile automatic gearbox pre-lubrication and cleaning device.
Background
The gearbox mainly comprises assemblies such as gears, tooth shafts, bearings, valve bodies, oil ways, control parts and the like, in the assembly process, most parts are pressed together in an interference fit mode, and meanwhile, many parts are fastened in a threaded connection mode, so that a small amount of foreign matters (cutting scraps in the interference press fitting and threaded fastening) can be generated in the assembly process, and the precise electromagnetic valve in the later gearbox is blocked due to the existence of the foreign matters, so that the gearbox is damaged.
In the prior art, after the assembly of the gearbox is completed and before the testing, the gearbox is only refueled, and parts such as gears, valve bodies and oil ways in the gearbox are not cleaned and pre-lubricated, so that the foreign matters existing in the gearbox cannot be removed, the gearbox is easy to break down when a vehicle runs, thereby bringing adverse quality risks and increasing the after-sale cost of the gearbox.
Disclosure of Invention
The invention aims to provide a pre-lubrication and cleaning device for an automatic gearbox of an automobile, which aims at the problems existing in the prior art, can pre-lubricate and clean the interior of the gearbox when the assembly of the gearbox is completed, remove foreign matters in the gearbox, prolong the service life of the gearbox and reduce the later maintenance cost.
The technical scheme of the invention is as follows:
the pre-lubrication and cleaning device for the automatic gearbox of the automobile comprises a frame, an oiling mechanism, a gearbox driving mechanism, an oil pumping mechanism and a circulating filtering mechanism, wherein the oiling mechanism, the gearbox driving mechanism, the oil pumping mechanism and the circulating filtering mechanism are respectively arranged on the frame;
the oiling mechanism comprises an oiling tank and an automatic oiling nozzle, the oiling tank is connected with an oil source through an oil inlet pipe, an oil inlet valve a is arranged on the oil inlet pipe, the oiling tank is connected with the automatic oiling nozzle through an oil delivery pipe, and a filter a, a stop valve a and a flowmeter a are arranged on the oil delivery pipe a; the automatic oiling nozzle is connected with an oiling port of an automatic gearbox of the automobile;
the oil pumping mechanism comprises an oil pumping pipe, a back suction tank and a dirty oil tank, wherein one end of the oil pumping pipe is connected with an oil outlet of an automatic gearbox of the automobile, and the other end of the oil pumping pipe is connected with the back suction tank; the back suction tank is connected with the dirty oil tank through an oil delivery pipe b, and the oil suction pipe and the oil delivery pipe b are respectively provided with a back suction valve for preventing non-return suction; a Y-shaped filter d and a flowmeter b are sequentially arranged on the oil suction pipe along the oil flowing direction;
the circulating filtering mechanism comprises a filter group, a clean oil tank and an electric gear pump a, wherein the dirty oil tank is connected with the filter group through a dirty oil conveying pipe, and a ball valve d, a Y-shaped filter c and an electric gear pump b are sequentially arranged on the dirty oil conveying pipe along the flowing direction of dirty oil;
the filter group is connected with the oil purifying tank through a filtered oil conveying pipe; the oil purifying tank is connected with the filling oil tank through an oil return pipe and an electric gear pump a; ball valves a are respectively arranged on the oil return pipes at the two sides of the electric gear pump a, and a Y-shaped filter a is also arranged on the oil return pipe at the inlet side of the electric gear pump a; an oil inlet valve b is arranged at the position, close to the filling oil tank, of the oil return pipe;
the gearbox driving mechanism is connected with an input shaft of the automatic gearbox of the automobile, and the input power drives gears of the automatic gearbox of the automobile to rotate.
The filter a comprises a Y-type filter b and a fine filter; the Y-shaped filter b is arranged at the front side of the fine filter; the fine filters are connected in parallel and provided with two groups, and ball valves b are respectively arranged on parallel branch pipes at two sides of the two groups of fine filters.
The bottom of the filling oil tank, the bottom of the dirty oil tank and the bottom of the clean oil tank are respectively provided with an oil discharge pipe, and ball valves c are arranged on the oil discharge pipes.
The filter group comprises a filter valve a, a filter 50 mu m, a filter 15 mu m, a filter 5 mu m and a filter valve b which are sequentially arranged along the flowing direction of the dirty oil.
The filter groups are connected in parallel, and a group of pipelines are respectively arranged on two sides of each filter group.
The gearbox driving mechanism comprises a motor and a driving connecting rod, wherein the motor is arranged on the frame and is connected with an input shaft of the automatic gearbox of the automobile through the driving connecting rod to drive a gear of the automatic gearbox of the automobile to rotate.
The machine frame is also provided with a positioning mechanism, a wire body lifting mechanism and a tray compacting assembly;
the positioning mechanism comprises a positioning pin and a telescopic oil cylinder, the telescopic oil cylinder is arranged at the lower part of the frame, the positioning pin is connected with a piston rod of the telescopic oil cylinder, and the positioning pin is inserted into a tray of the automatic gearbox of the automobile under the driving of the telescopic oil cylinder to accurately position the automatic gearbox of the automobile;
the wire body lifting mechanism comprises a supporting table, a lifting guide sleeve and a lifting oil cylinder, wherein the supporting table is arranged at the bottom of the frame through the lifting guide sleeve;
the tray compacting assembly comprises a mounting bracket, a cylinder and a pressing block, wherein the cylinder is mounted on the frame through the mounting bracket, a piston rod of the cylinder is vertically downwards arranged, the pressing block is arranged on the cylinder piston rod and is used for compacting a supporting plate at an oil outlet of an automatic gearbox of an automobile from above.
The bottom of the frame is provided with a weighing mechanism, the initial position of the supporting table is arranged on the weighing mechanism, and the weighing mechanism is used for weighing the weight of the automatic gearbox of the automobile.
The invention also provides a group of pre-lubrication and cleaning methods for the automatic gearbox of the automobile, which are applied to the pre-lubrication and cleaning device for the automatic gearbox of the automobile, and comprise the following steps:
A. the positioning mechanism accurately positions the automatic gearbox of the automobile and descends to the original position, at the moment, the self weight of the supporting table and the automatic gearbox of the automobile falls on the weighing mechanism, the weighing mechanism weighs the empty automatic gearbox of the automobile to obtain the weight of the empty gearbox, and then the wire body lifting mechanism lifts the automatic gearbox of the automobile to an oiling position;
B. filling gearbox oil into the filling oil tank, moving an automatic oiling nozzle to an oiling position, filling a set amount of gearbox oil into an automatic gearbox of an automobile, and controlling the filling amount through a flowmeter a;
C. the transmission driving mechanism drives the input shaft of the automatic transmission to rotate, drives the gear of the automatic transmission to rotate at a low speed, simultaneously starts the oil pumping mechanism, filters oil in the automatic transmission through the circulating filtering mechanism, circulates the oil to return to the filling oil tank, returns the oil to the automatic transmission through the automatic oil filling nozzle, and keeps the pumping flow of the oil pumping mechanism consistent with the filling flow of the automatic oil filling nozzle; the circulation is performed until the set cleaning time is over;
D. closing the automatic oiling nozzle to stop oiling, continuously pumping oil by the oil pumping mechanism, calculating oil pumping quantity by the flowmeter b, and continuously driving the automatic gearbox gear of the automobile to rotate at a low speed by the gearbox driving mechanism; when the residual oil quantity in the automatic gearbox of the automobile is 2.8-3.2L, the gearbox driving mechanism stops working; the oil pumping mechanism continues pumping until the oil cannot be pumped out;
E. the wire body lifting mechanism drives the automatic gearbox of the automobile to descend and return to the original position, at the moment, the self weights of the supporting table and the automatic gearbox of the automobile fall on the weighing mechanism, and the weighing mechanism weighs the gearbox weight containing residual oil after oil pumping in the step D;
F. the line body lifting mechanism lifts the automatic gearbox of the automobile to an oiling position, the oil in the oiling oil tank is emptied through the oil drain pipe to serve as standby oil for subsequent cleaning, new gearbox oil is injected into the oiling oil tank, a set amount of gearbox oil is injected into the automatic gearbox of the automobile through the automatic oiling nozzle, and the injection amount is controlled through the flowmeter a; the calculation formula of the set quantity is as follows:
set amount = final fill amount- (gearbox weight with resid-empty weight) (1).
The invention has the following beneficial effects:
the invention designs a circulating internal cleaning structure with the mutual matching of a gearbox driving mechanism, an oiling mechanism, an oil pumping mechanism and a circulating filtering mechanism, which can automatically pre-lubricate and circularly clean the assembled automatic gearbox of the automobile, and continuously circularly filter the automobile through the circulating filtering mechanism, thereby effectively removing the foreign matters such as cutting scraps in the gearbox.
The invention drives the internal gear shaft at a low speed in the cleaning process, so that parts in the gearbox are pre-lubricated in advance, the damage to the gearbox in the subsequent test post high-speed rotation is reduced, the service life of the gearbox is prolonged, the quality of the gearbox is improved, and the invention has good application prospect.
Drawings
FIG. 1 is a schematic diagram of the workflow of the present invention;
FIG. 2 is a front view of the pre-lubrication and cleaning apparatus of the automatic transmission of the present invention;
the names and serial numbers of the parts in the figure are as follows:
1-rack, 2-filling tank, 3-automatic filler neck, 4-inlet pipe, 5-inlet valve a, 6-oil feed pipe, 7-filter a, 8-shut-off valve a, 9-flow meter a, 10-oil suction pipe, 11-suction tank, 12-oil sump, 13-oil feed pipe b, 14-suction valve, 15-flow meter b, 16-clean oil tank, 17-electric gear pump a, 18-dirty oil delivery pipe, 19-filter valve a, 20-filter valve b, 21-return oil pipe, 22-ball valve a, 23-inlet valve b, 24-Y type filter b, 25-fine filter, 26-ball valve b, 27-28-ball valve c, 29-filter 50 μm, 30-filter 15 μm, 31-filter 5 μm, 32-motor, 33-drive link, 34-locating pin, 35-pallet, 36-lifting guide sleeve, 37-lifting oil cylinder, 38-mounting bracket, 39-cylinder, 40-ball valve d, 41-Y type filter c, 42-electric gear pump b, 43-Y type filter delivery pipe b, 43-Y type filter press 46-type filter b, 45-Y type filter press block.
Detailed Description
The invention is described in detail below with reference to the drawings and examples.
Example 1
1-2, the pre-lubrication and cleaning device for the automatic gearbox of the automobile comprises a frame 1, an oiling mechanism, a gearbox driving mechanism, an oil pumping mechanism and a circulating filtering mechanism, wherein the oiling mechanism, the gearbox driving mechanism, the oil pumping mechanism and the circulating filtering mechanism are respectively arranged on the frame 1;
the oiling mechanism comprises an oiling tank 2 and an automatic oiling nozzle 3, wherein the oiling tank 2 is connected with an oil source through an oil inlet pipe 4, an oil inlet valve a5 is arranged on the oil inlet pipe 4, the oiling tank 2 is connected with the automatic oiling nozzle 3 through an oil delivery pipe 6, and a filter a7, a stop valve a8 and a flowmeter a9 are arranged on the oil delivery pipe a 6; the automatic oiling nozzle 3 is connected with an oiling port of an automatic gearbox of the automobile;
the oil pumping mechanism comprises an oil pumping pipe 10, a return suction tank 11 and a dirty oil tank 12, one end of the oil pumping pipe 10 is connected with an oil outlet of an automatic gearbox of an automobile, the other end of the oil pumping pipe is connected with the return suction tank 11, the return suction tank 11 is connected with the dirty oil tank 12 through an oil delivery pipe b13, return suction valves 14 are respectively arranged on the oil pumping pipe 10 and the oil delivery pipe b13, and a Y-shaped filter d45 and a flowmeter b15 are sequentially arranged on the oil pumping pipe 10 along the oil flowing direction;
the circulating filtering mechanism comprises a filter group, a clean oil tank 16 and an electric gear pump a17, the dirty oil tank 12 is connected with the filter group through a dirty oil conveying pipe 18, and a ball valve d40, a Y-shaped filter c41 and an electric gear pump b42 are sequentially arranged on the dirty oil conveying pipe 18 along the flow direction of dirty oil;
the filter group is connected with the clean oil tank 16 through a filtered oil conveying pipe 43; the clean oil tank 16 is connected with the filling oil tank 2 through an oil return pipe 21 and an electric gear pump a 17; ball valves a22 are respectively arranged on the oil return pipes 21 on the two sides of the electric gear pump a17, and a Y-shaped filter a44 is also arranged on the oil return pipe 21 on the inlet side of the electric gear pump a 17; an oil inlet valve b23 is arranged at the position of the oil return pipe 21, which is close to the filling oil tank 2;
the gearbox driving mechanism is connected with an input shaft of the automatic gearbox of the automobile, and the input power drives gears of the automatic gearbox of the automobile to rotate.
The filter a7 comprises a Y-type filter b24 and a fine filter 25; the Y-shaped filter b24 is arranged at the front side of the fine filter 25; the fine filters 25 are connected in parallel and are provided with two groups, and ball valves b26 are respectively arranged on parallel branch pipes at two sides of the two groups of fine filters 25.
The bottoms of the filling oil tank 2, the dirty oil tank 12 and the clean oil tank 16 are respectively provided with an oil drain pipe 27, and the oil drain pipe 27 is provided with a ball valve c28.
The filter group comprises a filter valve a19, a filter 50 mu m29, a filter 15 mu m30, a filter 5 mu m31 and a filter valve b20 which are sequentially arranged along the flowing direction of the dirty oil.
The filter groups are connected in parallel, and a group of pipelines are respectively arranged on two sides of each filter group.
The gearbox driving mechanism comprises a motor 32 and a driving connecting rod 33, wherein the motor 32 is arranged on the frame 1, and is connected with an input shaft of the automatic gearbox of the automobile through the driving connecting rod 33 to drive gears of the automatic gearbox of the automobile to rotate.
The machine frame 1 is also provided with a positioning mechanism, a wire body lifting mechanism and a tray compacting assembly;
the positioning mechanism comprises a positioning pin 34 and a telescopic oil cylinder, wherein the telescopic oil cylinder is arranged at the lower part of the frame 1, the positioning pin 34 is connected with a piston rod of the telescopic oil cylinder, and is inserted into a tray of the automatic gearbox of the automobile under the driving of the telescopic oil cylinder, so that the automatic gearbox of the automobile is accurately positioned;
the wire body lifting mechanism comprises a supporting table 35, a lifting guide sleeve 36 and a lifting oil cylinder 37, wherein the supporting table 35 is arranged at the bottom of the frame 1 through the lifting guide sleeve 36, the lifting oil cylinder 37 is arranged at the bottom of the frame 1, and a telescopic rod of the lifting oil cylinder 37 is connected with the bottom of the supporting table 35 to drive the supporting table 35 to lift along the lifting guide sleeve 36;
the tray compacting assembly comprises a mounting bracket 38, a cylinder 39 and a pressing block 46, wherein the cylinder 39 is mounted on the frame 1 through the mounting bracket 38, a piston rod of the cylinder 39 is vertically arranged downwards, and the pressing block 46 is arranged on the cylinder 39 and is used for compacting a supporting plate at an oil outlet of an automatic gearbox of an automobile from above.
The bottom of the frame 1 is provided with a weighing mechanism, the initial position of the supporting table 35 is arranged on the weighing mechanism, and the weighing mechanism is used for weighing the weight of the automatic gearbox of the automobile.
Example 2
The pre-lubrication and cleaning method for the automatic gearbox of the automobile comprises the following steps:
A. the positioning mechanism accurately positions the automatic gearbox of the automobile and descends to the original position, at the moment, the self weight of the supporting table and the automatic gearbox of the automobile falls on the weighing mechanism, the weighing mechanism weighs the empty automatic gearbox of the automobile to obtain the weight of the empty gearbox, and then the wire body lifting mechanism lifts the automatic gearbox of the automobile to an oiling position;
B. the filling oil tank 2 is filled with gearbox oil firstly, the automatic oiling nozzle 3 moves to an oiling position to fill a set amount of gearbox oil into an automatic gearbox of an automobile, and the filling amount is controlled by the flowmeter a9;
C. the transmission driving mechanism drives the input shaft of the automatic transmission of the automobile to rotate, drives the gear of the automatic transmission of the automobile to rotate, simultaneously starts the oil pumping mechanism, filters oil in the automatic transmission of the automobile through the circulating filtering mechanism, returns to the filling oil tank 2 in a circulating way, returns to the automatic transmission of the automobile through the automatic oil filling nozzle 3, and keeps the pumping flow of the oil pumping mechanism consistent with the filling flow of the automatic oil filling nozzle 3; the circulation is performed until the set cleaning time is over;
D. closing the automatic oiling nozzle to stop oiling, continuously pumping oil by the oil pumping mechanism, calculating oil pumping quantity by the flowmeter b, and continuously driving the automatic gearbox gear of the automobile to rotate at a low speed by the gearbox driving mechanism; when the residual oil quantity in the automatic gearbox of the automobile is 3.0L, the gearbox driving mechanism stops working; the oil pumping mechanism continues pumping until the oil cannot be pumped out;
E. the wire body lifting mechanism drives the automatic gearbox of the automobile to descend and return to the original position, at the moment, the self weights of the supporting table and the automatic gearbox of the automobile fall on the weighing mechanism, and the weighing mechanism weighs the gearbox weight containing residual oil after oil pumping in the step D;
F. the line body lifting mechanism lifts the automatic gearbox of the automobile to an oiling position, the oil in the oiling oil tank is emptied through the oil drain pipe to serve as standby oil for subsequent cleaning, new gearbox oil is injected into the oiling oil tank, a set amount of gearbox oil is injected into the automatic gearbox of the automobile through the automatic oiling nozzle, and the injection amount is controlled through the flowmeter a; the calculation formula of the set quantity is as follows:
set amount = final fill amount- (gearbox weight with resid-empty weight) (1).
The cleaning degree test was performed by using a 10 μm filter for 50 samples of an automatic transmission not treated by the method of this example and 50 samples of an automatic transmission not treated by the method of this example, and the average impurity weight in the samples of an automatic transmission not treated by the method of this example was found to be 52 mg, and the average impurity weight in the samples of an automatic transmission not treated by the method of this example was found to be 35 mg. The cleanliness grade of the automobile automatic gearbox sample processed by the method of the embodiment is greatly improved.
Claims (1)
1. The utility model provides an automatic gearbox pre-lubrication and belt cleaning device of car, includes frame (1), oiling mechanism, gearbox actuating mechanism, pumping mechanism, circulation filter mechanism locate frame (1) on, its characterized in that respectively:
the oiling mechanism comprises an oiling tank (2) and an automatic oiling nozzle (3), wherein the oiling tank (2) is connected with an oil source through an oil inlet pipe (4), an oil inlet valve a (5) is arranged on the oil inlet pipe (4), the oiling tank (2) is connected with the automatic oiling nozzle (3) through an oil delivery pipe a (6), and a filter a (7), a stop valve a (8) and a flowmeter a (9) are arranged on the oil delivery pipe a (6); the automatic oiling nozzle (3) is connected with an oiling port of an automatic gearbox of the automobile;
the oil pumping mechanism comprises an oil pumping pipe (10), a return suction tank (11) and a dirty oil tank (12), one end of the oil pumping pipe (10) is connected with an oil outlet of an automatic gearbox of an automobile, the other end of the oil pumping pipe is connected with the return suction tank (11), the return suction tank (11) is connected with the dirty oil tank (12) through an oil delivery pipe b (13), return suction valves (14) are respectively arranged on the oil pumping pipe (10) and the oil delivery pipe b (13), and a Y-shaped filter d (45) and a flowmeter b (15) are sequentially arranged on the oil pumping pipe (10) along the oil flowing direction;
the circulating filtering mechanism comprises a filter group, a clean oil tank (16) and an electric gear pump a (17), the dirty oil tank (12) is connected with the filter group through a dirty oil conveying pipe (18), and a ball valve d (40), a Y-shaped filter c (41) and an electric gear pump b (42) are sequentially arranged on the dirty oil conveying pipe (18) along the flowing direction of dirty oil;
the filter group is connected with the clean oil tank (16) through a filtered oil conveying pipe (43); the oil purifying tank (16) is connected with the filling oil tank (2) through an oil return pipe (21) and an electric gear pump a (17); ball valves a (22) are respectively arranged on the oil return pipes (21) at the two sides of the electric gear pump a (17), and a Y-shaped filter a (44) is also arranged on the oil return pipe (21) at the inlet side of the electric gear pump a (17); an oil inlet valve b (23) is arranged at the position of the oil return pipe (21) close to the filling oil tank (2);
the gearbox driving mechanism is connected with an input shaft of the automatic gearbox of the automobile, and the input power drives a gear of the automatic gearbox of the automobile to rotate;
the filter a (7) comprises a Y-shaped filter b (24) and a fine filter (25); the Y-shaped filter b (24) is arranged at the front side of the fine filter (25); two groups of fine filters (25) are arranged in parallel, and ball valves b (26) are respectively arranged on parallel branch pipes at two sides of the two groups of fine filters (25);
the bottom of the filling oil tank (2), the bottom of the dirty oil tank (12) and the bottom of the clean oil tank (16) are respectively provided with an oil drain pipe (27), and the oil drain pipe (27) is provided with a ball valve c (28);
the filter group comprises a filter valve a (19), a filter 50 mu m (29), a filter 15 mu m (30), a filter 5 mu m (31) and a filter valve b (20) which are sequentially arranged along the flowing direction of the dirty oil;
the filter groups are connected in parallel, and a group of pipelines are respectively arranged on two sides of each filter group;
the gearbox driving mechanism comprises a motor (32) and a driving connecting rod (33), wherein the motor (32) is arranged on the frame (1) and is connected with an input shaft of the automatic gearbox of the automobile through the driving connecting rod (33) to drive a gear of the automatic gearbox of the automobile to rotate;
the machine frame (1) is also provided with a positioning mechanism, a wire body lifting mechanism and a tray compacting assembly;
the positioning mechanism comprises a positioning pin (34) and a telescopic oil cylinder, wherein the telescopic oil cylinder is arranged at the lower part of the frame (1), the positioning pin (34) is connected with a piston rod of the telescopic oil cylinder, and is inserted into a tray of the automatic gearbox of the automobile under the driving of the telescopic oil cylinder to accurately position the automatic gearbox of the automobile;
the wire body lifting mechanism comprises a supporting table (35), a lifting guide sleeve (36) and a lifting oil cylinder (37), wherein the supporting table (35) is arranged at the bottom of the frame (1) through the lifting guide sleeve (36), the lifting oil cylinder (37) is arranged at the bottom of the frame (1), a telescopic rod of the lifting oil cylinder is connected with the bottom of the supporting table (35), and the supporting table (35) is driven to lift along the lifting guide sleeve (36);
the tray compacting assembly comprises a mounting bracket (38), a cylinder (39) and a pressing block (46), wherein the cylinder (39) is mounted on the frame (1) through the mounting bracket (38), a piston rod of the cylinder (39) is vertically downwards arranged, and the pressing block (46) is arranged on the cylinder and is used for compacting a supporting plate at an oil outlet of an automatic gearbox of an automobile from above;
the bottom of the frame (1) is provided with a weighing mechanism, the initial position of the supporting table (35) is arranged on the weighing mechanism, and the weighing mechanism is used for weighing the weight of the automatic gearbox of the automobile;
the pre-lubrication and cleaning method for the automatic gearbox of the automobile comprises the following steps:
A. the positioning mechanism accurately positions the automatic gearbox of the automobile and descends to the original position, at the moment, the self weight of the supporting table and the automatic gearbox of the automobile falls on the weighing mechanism, the weighing mechanism weighs the empty automatic gearbox of the automobile to obtain the weight of the empty gearbox, and then the wire body lifting mechanism lifts the automatic gearbox of the automobile to an oiling position;
B. filling gearbox oil into the oil filling tank (2), moving the automatic oiling nozzle (3) to an oiling position to fill a set amount of gearbox oil into an automatic gearbox of an automobile, and controlling the injection amount through the flowmeter a (9);
C. the transmission driving mechanism drives the input shaft of the automatic transmission of the automobile to rotate, drives the gear of the automatic transmission of the automobile to rotate, simultaneously starts the oil pumping mechanism, filters oil in the automatic transmission of the automobile through the circulating filtering mechanism, returns to the filling oil tank (2) in a circulating way, returns to the automatic transmission of the automobile through the automatic oil filling nozzle (3), and keeps the extraction flow of the oil pumping mechanism consistent with the injection flow of the automatic oil filling nozzle (3); the circulation is performed until the set cleaning time is over;
D. closing the automatic oiling nozzle to stop oiling, continuously pumping oil by the oil pumping mechanism, calculating oil pumping quantity by the flowmeter b, and continuously driving the automatic gearbox gear of the automobile to rotate at a low speed by the gearbox driving mechanism; when the residual oil quantity in the automatic gearbox of the automobile is 2.8-3.2L, the gearbox driving mechanism stops working; the oil pumping mechanism continues pumping until the oil cannot be pumped out;
E. the wire body lifting mechanism drives the automatic gearbox of the automobile to descend and return to the original position, at the moment, the self weights of the supporting table and the automatic gearbox of the automobile fall on the weighing mechanism, and the weighing mechanism weighs the gearbox weight containing residual oil after oil pumping in the step D;
F. the line body lifting mechanism lifts the automatic gearbox of the automobile to an oiling position, the oil in the oiling oil tank is emptied through the oil drain pipe to serve as standby oil for subsequent cleaning, new gearbox oil is injected into the oiling oil tank, a set amount of gearbox oil is injected into the automatic gearbox of the automobile through the automatic oiling nozzle, and the injection amount is controlled through the flowmeter a; the calculation formula of the set quantity is as follows:
set amount = final fill amount- (gearbox weight with resid-empty weight).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111126646.0A CN114042711B (en) | 2021-09-26 | 2021-09-26 | Pre-lubrication and cleaning device for automatic gearbox of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111126646.0A CN114042711B (en) | 2021-09-26 | 2021-09-26 | Pre-lubrication and cleaning device for automatic gearbox of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114042711A CN114042711A (en) | 2022-02-15 |
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