CN201003599Y

CN201003599Y - Automobile below-seven shift gear box forced lubrication device

Info

Publication number: CN201003599Y
Application number: CNU2007201155503U
Authority: CN
Inventors: 佟晓刚; 赵大富
Original assignee: Harbin Gear Box Factory China No1 Automobile Group
Current assignee: Harbin Gear Box Factory China No1 Automobile Group
Priority date: 2007-02-08
Filing date: 2007-02-08
Publication date: 2008-01-09
Anticipated expiration: 2017-02-08

Abstract

The utility model relates to an auto transmission case with less than seven gears, particularly to a forced lubricating device for a transmission case with less than seven gears. The utility model is characterized in that: an oil absorption disc(1) is fixed at the bottom part of the transmission case shell body(3) through a spring washer and screw bolt; an O-shaped ring I(2) is sleeved on the oil absorption disc(1), and is plugged into the oil through and shell body(3-1); the back bearing cap(4) of the transmission case is fixed on the connecting port of the back cap and shell body(3-2); the oil pum(7) is fixed on the oil pump port and a shell body(3-3) through screw bolt; an idler wheel(15) sleeved on the needle bearing(14) and a thrust housing(13) together are sleeved on the idler wheel shaft(12); an O-shaped ring II(11) is sleeved on the back end of the idler wheel shaft(12). Each components go through the idler wheel and the shell body(3-4); the idler wheel shaft(12) is fixed on the back head face of the transmission box shell body(3) through a lock banking stop(16), a spring washer and a screw bolt; a three way pipe(8) is fixed on the output end of the oil pump(7); the lower end of the oil pipe(6) is connected with one outlet of the three way pipe(8); the upper end of the oil pipe I(6) goes through an elbow I(5) and the transmission case, and then is connected with the bearing cap(4); the back end of the oil pipe II(9) is connected with another outlet of the three way pipe(8). The utility model has the advantages of simple structure, low costs; sufficient lubricating of the internal bearing of the input shaft and the bearing of the output shaft of the transmission case avoiding shaft bearing ablation during the course of long time continuous down slope or upward slope vehicle running; therefore the life expectancy of the low speed gears inside the transmission case is prolonged.

Description

Automobile is the gearbox forced lubrication device below seven grades

Technical field: the utility model relates to automobile gearbox gearbox below seven grades, is specially automobile gearbox gearbox forced lubrication device below seven grades.

Background technique: state's forced lubricating system principle that gearbox (band odd-side gearbox) part adopts more than eight grades is at present: gearbox jack shaft front end connects oil pump, enter gearbox input shaft center by the passage that processes in the middle of the gear box casing, the hollow elongated hole is processed at input shaft center and output shaft center, and odd-side planet axis and synchronizer process oilhole, and input shaft, output shaft and odd-side planet axis are connected by connecting tube; Oil pump sucks gear oil from gearbox, output to input shaft, output shaft and odd-side planet axis and synchronizer, little oilhole is opened at component (needle bearing) position that wherein needs everywhere on input shaft and the output shaft to lubricate makes gear oil output to the relevant position, enters the lubricated odd-side synchronizer of gear oil of odd-side.Its advantage is that the lubricant housings is many, and shortcoming is that gearbox clutch (gearbox front end) increase axial length brings difficulty to the car load layout, the cost of manufacturing simultaneously height.Domestic automobile gearbox gearbox below seven grades does not have forced lubricating system at present, particularly seven grades of integrated type gearboxes do not have forced lubricating system, and seven grades of integrated type gear box length are long, and the insufficient bearing that easily causes of gearbox input shaft inner bearing and output shaft of gear-box bearing lubrication is ablated when the long-time ascents and descents of automobile.

Summary of the invention: the purpose of this utility model be to provide a kind of simple in structure, with low cost, when the long-time ascents and descents of automobile gearbox input shaft inner bearing and the sufficient automobile of output shaft of gear-box bearing lubrication gearbox forced lubrication device below seven grades.The purpose of this utility model is achieved in that it is by oil suction dish (1), O type circle I (2), gear box casing (3), oil through-housing (3-1), bonnet attachment hole-housing (3-2), oil pump hole-housing (3-3), idle pulley hole-housing (3-4), idle pulley oilhole-housing (3-5), antetheca oilhole-housing (3-6), gearbox rear bearing cover (4), elbow I (5), oil pipe I (6), oil pump (7), threeway (8), 9-oil pipe II (9), straight-through (10), O type circle II (11), 12-idler shaft (12, thrust housing (13), needle bearing (14), idle pulley (15), lock banking stop (16), screw plug (17), elbow II (18), oil pipe III (19), locking plate (20), positioning shaft (21), input shaft (22), bearing of input shaft (23), oil sealing (24), primary shaft bearing lid (25).Oil suction dish (1) is through spring washer and the bottom that is bolted to gear box casing (3), O type circle I (2) is enclosed within oil suction dish (1) and goes up in insertion oil through-housing (3-1), gearbox rear bearing cover (4) is through being bolted on bonnet attachment hole-housing (3-2), oil pump (7) is by being bolted on oil pump hole-housing (3-3), idle pulley (15) is enclosed within the last same thrust housing (13) of needle bearing (14) and is enclosed within together on the idler shaft (12), O type circle II (11) is enclosed within on idler shaft (12) rear end, above-mentioned each parts are through in idle pulley hole-housing (3-4), idler shaft (12) by lock banking stop (16) through spring washer and being bolted on gear box casing (3) ear end face, threeway (8) is fixed on oil pump (7) output terminal, (8) outlets in oil pipe I (6) lower end and threeway are connected, oil pipe I (6) upper end is by elbow I (5), be connected with bearing cap (4) behind the gearbox, another outlet of oil pipe II (9) rear end and threeway (8) is connected, oil pipe II (9) front end is connected with idler shaft (12) rear end through straight-through (10), idler shaft (12) front end is sealed by screw plug (17), oil pipe III (19) rear end is connected on idle pulley oilhole-housing (3-5) through elbow II (18), oil pipe III (19) middle part is fixed on the sidewall of gear box casing (3) through positioning shaft (21), oil pipe III (19) anterior through locking plate (20) by the antetheca that is bolted to gear box casing (3) on, oil pipe III (19) front end inserts in antetheca oilhole-housing (3-6), bearing of input shaft (23), oil sealing (24) and primary shaft bearing lid (25) are enclosed within on the input shaft (22) successively, and primary shaft bearing lid (25) is by the front-end face that is bolted to gear box casing (3).The utility model has the advantages that: simple in structure, with low cost, gearbox input shaft inner bearing and output shaft of gear-box bearing lubrication fully do not cause the bearing ablation when the long-time ascents and descents of automobile; Increase the TRL Transmission Select Switch Low life-span.

Description of drawings: Fig. 1 is the utility model linkage structure principle schematic; Fig. 2 is the utility model input shaft, bearing of input shaft, oil sealing, primary shaft bearing lid and transmission housing attachment structure principle schematic.

Embodiment: oil suction dish (1) is through spring washer and the bottom that is bolted to gear box casing (3), O type circle I (2) is enclosed within oil suction dish (1) and goes up in insertion oil through-housing (3-1), gearbox rear bearing cover (4) is through being bolted on bonnet attachment hole-housing (3-2), oil pump (7) is by being bolted on oil pump hole-housing (3-3), idle pulley (15) is enclosed within the last same thrust housing (13) of needle bearing (14) and is enclosed within together on the idler shaft (12), O type circle II (11) is enclosed within on idler shaft (12) rear end, above-mentioned each parts are through in idle pulley hole-housing (3-4), idler shaft (12) by lock banking stop (16) through spring washer and being bolted on gear box casing (3) ear end face, threeway (8) is fixed on oil pump (7) output terminal, (8) outlets in oil pipe I (6) lower end and threeway are connected, oil pipe I (6) upper end is by elbow I (5), be connected with bearing cap (4) behind the gearbox, another outlet of oil pipe II (9) rear end and threeway (8) is connected, oil pipe II (9) front end is connected with idler shaft (12) rear end through straight-through (10), idler shaft (12) front end is sealed by screw plug (17), oil pipe III (19) rear end is connected on idle pulley oilhole-housing (3-5) through elbow II (18), oil pipe III (19) middle part is fixed on the sidewall of gear box casing (3) through positioning shaft (21), oil pipe III (19) anterior through locking plate (20) by the antetheca that is bolted to gear box casing (3) on, oil pipe III (19) front end inserts in antetheca oilhole-housing (3-6), bearing of input shaft (23), oil sealing (24) and primary shaft bearing lid (25) are enclosed within on the input shaft (22) successively, and primary shaft bearing lid (25) is by the front-end face that is bolted to gear box casing (3).

Working principle: during the gearbox running, suck gear oil by the oil suction dish when oil pump 7 rotates.Oil pump is by three reduction of fractions to a common denominator two-way output gear oil, leads up to oil pipe I (6) and elbow I (5) to be input to and to lubricate the output shaft of gear-box bearing in the gearbox rear bearing cover; Another road is input in the hole at idler shaft center by oil pipe II (9) and straight-through (10), the hole front end at idler shaft center is sealed with screw plug, the idler shaft surface Machining go out 3 communicate with the hole at center oilhole, gear oil is exported from these three oilholes, last oilhole is exported to such an extent that gear oil is ejected on the countershaft-gear on the idler shaft surface, the cooling bootom gear; Gear oil from idler shaft (12) surface in the middle of an oilhole lubrication quill bearing; The antetheca endoporus of the most previous oilhole by oil pipe III (19), gear box casing flows in the enclosed space that bearing of input shaft, oil sealing and input shaft form on the idler shaft surface, at last by flowing into lubricated this bearing in the bearings mounted endoporus in input shaft center with the oilhole of this spatial communication on the input shaft diameter of axle.

Working procedure: during the gearbox running, input shaft drives the rotation of gearbox jack shaft, and jack shaft drives oil pump and rotates, and sucks by the gear oil after the filtration of oil suction dish by the oil suction dish in gear box casing when oil pump rotates.Oil pump output gear oil, the gear oil of output is by three reduction of fractions to a common denominator two-way output, leads up to oil pipe I (6) and elbow I (5) to be input to and to lubricate the output shaft of gear-box bearing in the gearbox rear bearing cover; Another road is input in the hole at idler shaft center by oil pipe II (9) and straight-through (10), and the hole front end at idler shaft center is sealed with screw plug, idler shaft (12) surface Machining go out 3 communicate with the hole at center oilhole, gear oil is exported from these three oilholes.Last oilhole communicates with the hole of thrust housing centre on the idler shaft surface, and gear oil therefrom is ejected on the countershaft-gear that is meshed with one grade of gear and reverse gear, the cooling bootom gear; Gear oil from the idler shaft surface in the middle of an oilhole be ejected on the needle bearing of support idle pulley, thereby the lubrication quill bearing; The most previous oilhole links to each other with idle pulley support place of gear box casing on idler shaft (12) surface, and this place's oilhole is communicated with oil pipe III (19) by elbow II (18), and gear oil flows among the oil pipe III (19).The antetheca endoporus of gear oil among the oil pipe III (19) by gear box casing flows in the enclosed space that bearing of input shaft, oil sealing and input shaft form, at last by flowing into lubricated this bearing in the bearings mounted endoporus in input shaft center with the oilhole of this spatial communication on the input shaft diameter of axle.

Claims

1, a kind of automobile gearbox forced lubrication device below seven grades, it is by oil suction dish (1), O type circle I (2), gear box casing (3), oil through-housing (3-1), bonnet attachment hole-housing (3-2), oil pump hole-housing (3-3), idle pulley hole-housing (3-4), idle pulley oilhole-housing (3-5), antetheca oilhole-housing (3-6), gearbox rear bearing cover (4), elbow I (5), oil pipe I (6), oil pump (7), threeway (8), 9-oil pipe II (9), straight-through (10), O type circle II (11), 12-idler shaft (12, thrust housing (13), needle bearing (14), idle pulley (15), lock banking stop (16), screw plug (17), elbow II (18), oil pipe III (19), locking plate (20), positioning shaft (21), input shaft (22), bearing of input shaft (23), oil sealing (24), primary shaft bearing lid (25), it is characterized in that: oil suction dish (1) is through spring washer and the bottom that is bolted to gear box casing (3), O type circle I (2) is enclosed within oil suction dish (1) and goes up in insertion oil through-housing (3-1), gearbox rear bearing cover (4) is through being bolted on bonnet attachment hole-housing (3-2), oil pump (7) is by being bolted on oil pump hole-housing (3-3), idle pulley (15) is enclosed within the last same thrust housing (13) of needle bearing (14) and is enclosed within together on the idler shaft (12), O type circle II (11) is enclosed within on idler shaft (12) rear end, above-mentioned each parts are through in idle pulley hole-housing (3-4), idler shaft (12) by lock banking stop (16) through spring washer and being bolted on gear box casing (3) ear end face, threeway (8) is fixed on oil pump (7) output terminal, (8) outlets in oil pipe I (6) lower end and threeway are connected, oil pipe I (6) upper end is by elbow I (5), be connected with bearing cap (4) behind the gearbox, another outlet of oil pipe II (9) rear end and threeway (8) is connected, oil pipe II (9) front end is connected with idler shaft (12) rear end through straight-through (10), idler shaft (12) front end is sealed by screw plug (17), oil pipe III (19) rear end is connected on idle pulley oilhole-housing (3-5) through elbow II (18), oil pipe III (19) middle part is fixed on the sidewall of gear box casing (3) through positioning shaft (21), oil pipe III (19) anterior through locking plate (20) by the antetheca that is bolted to gear box casing (3) on, oil pipe III (19) front end inserts in antetheca oilhole-housing (3-6), bearing of input shaft (23), oil sealing (24) and primary shaft bearing lid (25) are enclosed within on the input shaft (22) successively, and primary shaft bearing lid (25) is by the front-end face that is bolted to gear box casing (3).