CN105626839A - Gear-lubricating-type automotive reduction gearbox - Google Patents
Gear-lubricating-type automotive reduction gearbox Download PDFInfo
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- CN105626839A CN105626839A CN201410616699.4A CN201410616699A CN105626839A CN 105626839 A CN105626839 A CN 105626839A CN 201410616699 A CN201410616699 A CN 201410616699A CN 105626839 A CN105626839 A CN 105626839A
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Abstract
The invention discloses a gear-lubricating-type automotive reduction gearbox. The gear-lubricating-type automotive reduction gearbox comprises an input shaft, wherein a first-grade driving cylindrical gear is arranged on the input shaft; the first-stage driving cylindrical gear is meshed with a first-stage driven cylindrical gear; a third-stage driving cylindrical gear is meshed with a third-stage driven cylindrical gear; the first-stage driving cylindrical gear, the first-stage driven cylindrical gear, the third-stage driving cylindrical gear and the third-stage driven cylindrical gear are of novel heat-dissipation lubricating-type gear structures; and each novel heat-dissipation lubricating-type gear structure comprises a gear body, a central hole, gear teeth, gear grooves, a gear lubricating component and a heat-dissipation component, wherein the gear lubricating component comprises at least one grease injection hole, a grease groove, multiple lubricating channels and multiple grease guiding channels. According to the automotive gears, the gear lubricating component and the heat-dissipation component are arranged on the two sides of each gear body; oil films between gear surfaces are maintained, so that gear abrasion is avoided, and the service life of the automotive gears is prolonged; and the temperature of the gear surfaces of the meshed gears is lowered, so that the use time of lubrication grease in an automobile is prolonged.
Description
Technical field
It is to be related to a kind of automobile-used reduction box of gear lubrication formula specifically the present invention relates to a kind of transmission device.
Background technology
Gear is the colyliform machine components of the engagement transmitting torque by tooth.Gear by with other dentation machine components（Such as another gear, tooth bar, worm screw）It can be achieved to change rotating speed and moment of torsion, change the direction of motion and change the functions such as forms of motion.Due to transmission efficiency, gearratio is accurate, power bracket is big the advantages of, gear mechanism extensive use in industrial products, its design with manufacture level can directly influence the quality of industrial products.
Gear is main basic transmission element in automobile industry, and the quality of gear directly affects the noise of automobile, stationarity and service life.Automotive transmission is used as the critical piece in car transmissions, torque and rotating speed for changing engine, are required driving moment tractive force and the different of speed with adapting to automobile in the case where starting to walk, accelerating, travelling and overcoming the different conditions such as different kinds of roads obstacle.Automotive transmission relies primarily on the gearratio of gear to change what is completed in the interaction and relative motion of each pair mesh tooth face in gear mechanism when motion and the transmission of power between speed, working gear face, and friction is necessarily led to therebetween.Working face is separated, it is necessary to form oil film between working gear face to avoid the direct friction of mechanical part, to keep the work efficiency of gear mechanism and increase the service life.Two types are divided into the lubrication of gear in automotive transmission：Countershaft assembly, reverse idler gear assembly and jackshaft two supports in immersion lubrication and splash lubrication, automotive transmission are immersed in lubricating oil, are immersion lubrication；End bearing, mileometer are splash lubrication from tooth and gearshift before two axle assemblies, two axle two supports bearings, an axle assembly, an axle.
But in above two lubricating system, it is especially in the gear of splash lubrication, the external gear teeth of gear is also possible that the oil film that can not be obtained between sufficient lubrication, mesh tooth face will disappear so that the metal surface of two gears is directly contacted, so as to occur mutual bonding, when two flank of tooth continue relative motion, the harder flank of tooth tears the portion of material on the softer flank of tooth along glide direction to form rill, goes down for a long time, the tooth root of gear can be caused to be broken, significant impact is caused.In addition, in above two mode, the position that gear internal and an axle connect by being bonded is due in gear, cannot typically lubricate, and the side of key is directly contacted with the medial surface of gear, is accumulated over a long period, the surface of key and surface wear on the inside of gear can be caused.And, even if scribbling lubricating oil, the temperature between mesh tooth face is still very high, is if things go on like this easy to make the deterioration of lubricant in automobile.Therefore, therefore a kind of automobile gear is needed badly, when external lubrication regulation is bad, using self-contained oil lubrication, keep the oil film between the flank of tooth, oilgear itself and the gear and gear internal being meshed, it is to avoid gear wear, extend the service life of automobile gear, good heat radiating can be kept again simultaneously, make the temperature reduction of the flank of tooth of meshing gear, eliminate the use time of lubricating oil in the thermal stress of gear internal, extension automobile.
The content of the invention
In view of the above-mentioned problems existing in the prior art, it is an object of the invention to provide a kind of automobile-used reduction box of gear lubrication formula, using self-contained oil lubrication, the oil film between the flank of tooth is kept, Self-lubricating gear is outside, internal and the gear that is meshed, avoid gear wear, extend the service life of automobile gear, while good heat radiating can be kept again, make the temperature reduction of the flank of tooth of meshing gear, eliminate the use time of lubricating oil in the thermal stress of gear internal, extension automobile.
For achieving the above object, the technical solution adopted by the present invention is as follows：
A kind of automobile-used reduction box of gear lubrication formula, including input shaft, one-level active roller gear is installed on the input shaft, the one-level active roller gear engages the passive roller gear of one-level, the passive roller gear of one-level is coaxially mounted in secondary drive shaft with planetary gear, it is also equipped with adjusting the first axle spring of axial gap in the secondary drive shaft, the planetary gear is also meshed with gear ring, the gear ring is coaxially mounted on three-level power transmission shaft with three-level active roller gear, the three-level active roller gear engages the passive roller gear of three-level, the passive roller gear of three-level is arranged on output shaft, it is also equipped with adjusting the second axle spring of axial gap on the output shaft；
The one-level active roller gear, the passive roller gear of one-level, three-level active roller gear and the passive roller gear of three-level are heat sinking lubricated type gear structure, heat sinking lubricated type gear structure includes gear, centre bore, the gear teeth, teeth groove, gear lubrication part and radiating piece, central hole is in the center of gear, it is toothed around in gear and teeth groove, gear lubrication part and radiating piece are separately positioned on the both sides of gear；Wherein gear lubrication part includes at least one oil filler point, an oil groove, multiple lubrication channels and multiple Oil Guide passages, and lubrication channel and Oil Guide passage are respectively at the both sides of oil groove and connected with oil groove；Radiating piece includes at least one water injection hole, a tank and multiple heat dissipation channels, and water injection hole is arranged on the other end of gear, and tank connects with heat dissipation channel and inside gear, enters tank by water injection hole water filling.
Preferably, oil groove is not connected with tank, and oil discharge passage is not connected with heat dissipation channel.
Preferably, each lubrication channel includes teeth groove oil discharge passage and gear teeth oil discharge passage, and Oil Guide passage is connected with centre bore, by teeth groove lubrication channel oilgear in itself, gear teeth lubrication channel lubrication phase gear, inside Oil Guide passage oilgear.
It is highly preferred that teeth groove oil discharge passage is arranged in teeth groove, gear teeth oil discharge passage is arranged in the gear teeth, passes through teeth groove oil discharge passage and gear teeth oil discharge passage oilgear itself and phase gear.
More preferably, each Oil Guide passage further comprises Oil Guide oiler, Oil Guide oil-out and barrier element, Oil Guide oiler is connected with oil groove, on the hole wall in the centrally disposed hole of Oil Guide oil-out, barrier element is between Oil Guide oiler and Oil Guide oil-out, and flowing of the barrier element control lubricating oil in Oil Guide passage.
Preferably, barrier element includes at least two panels barrier piece, and barrier piece is distributed around the center line of barrier element.
More preferably, the summation of the area of barrier piece is more than the total open area of barrier element, so the barrier piece of barrier element can only open along the direction of Oil Guide oiler to Oil Guide oil-out, so lubricating oil can only flow to Oil Guide oil-out from Oil Guide oiler, so that gear internal is lubricated, and prevent that the lubricating oil of gear internal from overflowing.
It is highly preferred that barrier piece is made of elastomeric material in barrier element.
Preferably, heat dissipation channel is arranged on inside the gear teeth, and heat dissipation channel imports the water in tank inside the gear teeth, eliminates the thermal stress in the gear teeth, makes the temperature reduction of the flank of tooth of meshing gear.
Preferably, the quantity of heat dissipation channel is no less than the quantity of the gear teeth.
It is highly preferred that the quantity of heat dissipation channel is consistent with the quantity of the gear teeth, so that each gear teeth can be radiated.
Preferably, radiating piece further comprises interlayer, and interlayer is arranged in tank and heat dissipation channel, prevents that water from corroding gear.
It is highly preferred that interlayer is made of radiating silicon rubber.
Preferably, the water that each water injection hole is provided with removable cover, anti-water stopping trough overflows.
More electedly, radiating piece includes four water injection holes, and four water injection holes are distributed on the end face of gear around the center of gear in 90 degree, by the water filling simultaneously of four water injection hole feed troughs, improves efficiency.
It will be further appreciated that, inventor has invented another self lubricating structure in R＆D process, when outside lubricating condition is bad, Self-lubricating gear is outwardly and inwardly, and and can prevent that the lubricating oil of gear internal from overflowing, the abrasion of gear is reduced, makes the transmission of automobile gear more flexible, while noise when effectively reducing gear drive；I.e. described one-level active roller gear, the passive roller gear of one-level, three-level active roller gear and the passive roller gear of three-level are self-lubricating type gear structure, the self-lubricating type gear structure includes gear, centre bore, the gear teeth, teeth groove and gear lubrication part, central hole is in the center of gear, the gear teeth are arranged in gear, a teeth groove is formed between each two adjacent teeth, gear lubrication part is arranged in gear；Wherein gear lubrication part includes at least one oil filler point, an oil groove, multiple lubrication channels and multiple Oil Guide passages, oil groove is connected with lubrication channel and Oil Guide passage, lubrication channel and Oil Guide passage are respectively at the both sides of oil groove, oil groove is entered by oil filler point oiling, lubrication channel is connected with teeth groove, Oil Guide passage is connected with centre bore, imports lubricating oil in oil groove by lubrication channel and the flank of tooth is lubricated in teeth groove, and Oil Guide passage imports lubricating oil in oil groove in centre bore inside oilgear.
Preferably, each lubrication channel includes a teeth groove oiler and teeth groove oil-out, teeth groove oiler is connected with oil groove, teeth groove oil-out is arranged on gullet base, teeth groove oil-out is connected with teeth groove, by the fuel-displaced oilgear of the teeth groove oil-out flank of tooth of itself, so when outside lubricating condition is bad, keep the flank of tooth oil film of phase gear, it is to avoid gear wear.
It is highly preferred that the quantity of lubrication channel is consistent with the quantity of teeth groove.
Preferably, each Oil Guide passage further comprises Oil Guide oiler, Oil Guide oil-out and barrier element, Oil Guide oiler is connected with oil groove, on the hole wall in the centrally disposed hole of Oil Guide oil-out, barrier element is between Oil Guide oiler and Oil Guide oil-out, and flowing of the barrier element control lubricating oil in Oil Guide passage.
Preferably, barrier element includes at least two panels barrier piece, and barrier piece is distributed around the center line of barrier element.
More preferably, the summation of the area of barrier piece is more than the total open area of barrier element, so the barrier piece of barrier element can only open along the direction of Oil Guide oiler to Oil Guide oil-out, so lubricating oil can only flow to Oil Guide oil-out from Oil Guide oiler, so that gear internal is lubricated, and prevent that the lubricating oil of gear internal from overflowing.
It is highly preferred that when barrier piece opens, Oil Guide oiler is connected with Oil Guide oil-out, whole Oil Guide passage is unimpeded state, and lubricating oil passes through barrier element；When barrier piece resets, Oil Guide oiler and Oil Guide oil-out non-interconnected, lubricating oil cannot pass through barrier element.
More preferably, barrier element includes three barrier pieces, three barrier pieces are distributed around the center line of barrier element in 120 degree, the gross area of three barrier pieces is more than the total open area of barrier element, the area of every barrier piece exceedes the 1/3 of the total open area of barrier element, when lubricating oil flows to the flowing of Oil Guide oil-out direction from Oil Guide oiler, lubricating oil promotes three barrier pieces to open, and lubricating oil passes through barrier element；When lubricating oil flows to the flowing of Oil Guide oiler direction from Oil Guide oil-out, lubricating oil promotes three barrier piece closures.
Preferably, the quantity of lubrication channel is no less than the quantity of Oil Guide passage.
It is highly preferred that lubrication channel quantity is more than Oil Guide number of channels.
It is highly preferred that the quantity of lubrication channel is consistent with Oil Guide number of channels.
It is highly preferred that the quantity of lubrication channel is consistent with Oil Guide number of channels, the position of each lubrication channel and the non-one-to-one corresponding of each Oil Guide channel position.
It is highly preferred that lubrication channel quantity is consistent with Oil Guide number of channels, the position of each lubrication channel and the position of each Oil Guide passage are corresponded.
Preferably, the oil filler point in gear lubrication part is on the end face of gear, and each oil filler point is provided with removable cover, prevents that the lubricating oil in oil groove from overflowing.
More electedly, gear lubrication part includes four oil filler points, and four oil filler points are distributed on the end face of gear around the center of gear in 90 degree, gives oil groove oiling simultaneously by four oil filler points, improves efficiency.
Compared with prior art, the automobile-used reduction box of gear lubrication formula that the present invention is provided, the automobile gear sets gear lubrication part and radiating piece respectively in the both sides of gear, using self-contained oil lubrication, Self-lubricating gear is outside, internal and the gear that is meshed, keep the oil film between the flank of tooth, avoid gear wear, extend the service life of automobile gear, good heat radiating can be kept again simultaneously, make the temperature reduction of the flank of tooth of meshing gear, eliminate the use time of lubricating oil in the thermal stress of gear internal, extension automobile；Self-lubricating structure sets oil groove, lubrication channel and Oil Guide passage in gear, by the gear teeth outside lubrication channel oilgear, inside Oil Guide passage oilgear, and prevents that the lubricating oil of gear internal from overflowing using barrier element；Using the rotary motion of gear, Self-lubricating gear is inside and outside, reduces gear wear, make transmission more flexible, while noise when can effectively reduce gear drive, extends the service life of gear, the reliability of working gear is improved, therefore its application prospect is very wide.
Brief description of the drawings
The schematic diagram for the automobile-used reduction box of gear lubrication formula that Fig. 1 provides for the present invention；
The top view for the heat radiation lubricating formula gear structure that Fig. 2 provides for the present invention；
Barrier element schematic in the heat radiation lubricating formula gear structure that Fig. 3 provides for the present invention；
The upward view for the heat radiation lubricating formula gear structure that Fig. 4 provides for the present invention；
The sectional view for the heat radiation lubricating formula gear structure that Fig. 5 provides for the present invention；
Lubricating oil flow schematic diagram in the self-lubricating type gear structure that Fig. 6 A provide for the present invention；
Lubricating oil flow schematic diagram in the self-lubricating type gear structure that Fig. 6 B provide for the present invention.
Embodiment
The present invention is made with reference to embodiment and accompanying drawing further in detail, intactly to illustrate.
Embodiment 1
Fig. 1 to Fig. 5, the preferred embodiment of the automobile-used reduction box of gear lubrication formula provided for the present invention, the gear structure can utilize self-contained oil lubrication, Self-lubricating gear is outside, internal and the gear that is meshed, keep the oil film between the flank of tooth, avoid gear wear, extend the service life of automobile gear, good heat radiating can be kept again simultaneously, make the temperature reduction of the flank of tooth of meshing gear, the use time of lubricating oil in the thermal stress of gear internal, extension automobile is eliminated, therefore its application prospect is very wide.
The automobile-used reduction box of gear lubrication formula includes input shaft b1, one-level active roller gear b2 is installed on the input shaft b1, the passive roller gear b3 of the one-level active roller gear b2 engagement one-levels, the passive roller gear b3 of one-level and planetary gear b5 is coaxially mounted on secondary drive shaft b4, it is also equipped with adjusting the first axle spring b41 of axial gap on the secondary drive shaft b4, the planetary gear b5 is also meshed with gear ring b6, the gear ring b6 and three-level active roller gear b8 is coaxially mounted on three-level power transmission shaft b7, the passive roller gear b9 of the three-level active roller gear b8 engagement three-levels, the passive roller gear b9 of three-level is arranged on output shaft b10, it is also equipped with adjusting the second axle spring b11 of axial gap on the output shaft b10.
The one-level active roller gear b2, the passive roller gear b3 of one-level, the three-level active roller gear b8 and passive roller gear b9 of three-level is heat sinking lubricated type gear structure, heat sinking lubricated type gear structure includes gear 1, centre bore 2, the gear teeth 3, teeth groove 4, gear lubrication part 5 and radiating piece 6, centre bore 2 is in the center of gear 1, 3 and teeth groove 4 are toothed around in gear 1, a teeth groove 4 is formed between each two adjacent teeth 3, gear lubrication part 5 and radiating piece 6 are separately positioned on the both sides of gear 1, pass through the gear teeth and gear internal outside the oilgear of gear lubrication part 5, radiating piece 6 reduces the temperature of the flank of tooth of meshing gear, eliminate the thermal stress of gear internal.
Gear lubrication part 5 includes at least one oil filler point 51, one oil groove 52, multiple lubrication channels 53 and multiple Oil Guide passages 54, oil groove 52 is connected with lubrication channel 53 and Oil Guide passage 54, lubrication channel 53 and Oil Guide passage 54 are respectively at the both sides of oil groove 52, oil groove 52 is entered by the note lubricating oil of oil filler point 51, lubrication channel 53 is connected with teeth groove 4, Oil Guide passage 54 is connected with centre bore 2, lubricating oil in oil groove 52 is exported to the gear teeth of oilgear itself and the gear teeth of phase gear by lubrication channel 53, Oil Guide passage 54 imports lubricating oil in oil groove 52 in centre bore 2 inside oilgear.
The quantity of lubrication channel 53 is no less than the quantity of Oil Guide passage 54.It is preferred that lubrication channel 53 is consistent with the quantity of Oil Guide passage 54.When the quantity of lubrication channel 53 is consistent with the quantity of Oil Guide passage 54, the position of each lubrication channel 53 can non-one-to-one corresponding or one-to-one corresponding with each position of Oil Guide passage 54.It is now consistent with the quantity of Oil Guide passage 54 with the quantity of lubrication channel 53, and position and the explanation exemplified by the one-to-one corresponding of each position of Oil Guide passage 54 of each lubrication channel 53.
Each lubrication channel 53 includes teeth groove oil discharge passage 531 and gear teeth oil discharge passage 532, teeth groove oil discharge passage 531 is arranged in teeth groove 4, gear teeth oil discharge passage is arranged in the gear teeth 3, by the gear teeth 3 of the oilgear itself of teeth groove oil discharge passage 531, gear teeth oil discharge passage 532 lubricates the gear teeth of phase gear.
Oil Guide passage 54 is with the office of lubrication channel 53 in the both sides of oil groove 52, and each Oil Guide passage 54 is corresponded with each lubrication channel 53.Each Oil Guide passage 54 further comprises Oil Guide oiler 541, Oil Guide oil-out 542 and barrier element 543, Oil Guide oiler 541 is connected with oil groove 52, on the hole wall in the centrally disposed hole 2 of Oil Guide oil-out 542, barrier element 543 is between Oil Guide oiler 541 and Oil Guide oil-out 542, and flowing of the control lubricating oil of barrier element 543 in Oil Guide passage 54.
Barrier element 543 includes at least two panels barrier piece 5431, and barrier piece 5431 is distributed around the center line of barrier element 543.Barrier element 543 is made of elastomeric material, and barrier piece is made of elastomeric material.The summation of the area of barrier piece 5431 is more than the total open area of barrier element 543, so the barrier piece 5431 of barrier element 543 can only open along the direction of Oil Guide oiler 541 to Oil Guide oil-out 542, so lubricating oil can only flow to Oil Guide oil-out 542 from Oil Guide oiler 541, so that gear internal is lubricated, and prevent that the lubricating oil of gear internal from overflowing.When barrier piece 5431 opens, Oil Guide oiler 541 is connected with Oil Guide oil-out 542, and whole Oil Guide passage 54 is unimpeded state, and lubricating oil passes through barrier element 543；When barrier piece 5431 resets, Oil Guide oiler 541 and the non-interconnected of Oil Guide oil-out 542, lubricating oil cannot pass through barrier element 543, so as to prevent that the lubricating oil of gear internal from overflowing from gear internal.
Barrier element 543 includes three barrier pieces 5431, three barrier pieces 5431 are distributed around the center line of barrier element 543 in 120 degree, the gross area of three barrier pieces 5431 is more than the total open area of barrier element 543, the area of every barrier piece 5431 exceedes the 1/3 of the total open area of barrier element 543, when lubricating oil flows to the flowing of the direction of Oil Guide oil-out 542 from Oil Guide oiler 541, lubricating oil promotes three barrier pieces 5431 to open, and lubricating oil passes through barrier element 543；When lubricating oil flows to the flowing of the direction of Oil Guide oiler 541 from Oil Guide oil-out 542, lubricating oil promotes three barrier pieces 5431 to close.
Radiating piece 6 is arranged on the opposite side of gear 1, radiating piece 6 includes at least one water injection hole 61, a tank 62 and multiple heat dissipation channels 63, water injection hole 61 is arranged on the other end of gear 1, tank 62 is connected with heat dissipation channel 63 and inside gear 1, enters tank 62 by the water filling of water injection hole 61.
Heat dissipation channel 63 is arranged on inside the gear teeth 3, and heat dissipation channel 63 imports the water in tank 62 inside the gear teeth 3, eliminates the thermal stress in the gear teeth 3, makes the temperature reduction of the flank of tooth of meshing gear.The quantity of heat dissipation channel 63 is no less than the quantity of the gear teeth 3.It is preferred that, the quantity of heat dissipation channel 63 is consistent with the quantity of the gear teeth 3, so that each gear teeth 3 can be radiated.
Radiating piece 6 further comprises interlayer 64, and interlayer 64 is arranged in tank 62 and heat dissipation channel 63, prevents that water from corroding gear 1.Interlayer 64 is made of radiating silicon rubber.
The water that each water injection hole 61 is provided with removable cover, anti-water stopping trough overflows.It is preferred that, radiating piece 6 includes four water injection holes 61, and four water injection holes 61 are distributed on the other end of gear 1 around the center of gear 1 in 90 degree, by four water fillings simultaneously of 61 feed trough of water injection hole 62, improves efficiency.
Embodiment 2
The present embodiment differs only in the one-level active roller gear b2 with embodiment 1, the passive roller gear b3 of one-level, the three-level active roller gear b8 and passive roller gear b9 of three-level is self-lubricating type gear structure, the self-lubricating type gear structure includes gear 1, centre bore 2, the gear teeth 3, teeth groove 4 and gear lubrication part 5, centre bore 2 is in the center of gear 1, the gear teeth 3 are arranged in gear 1, a teeth groove 4 is formed between each two adjacent teeth 3, gear lubrication part 5 is arranged in gear 1, pass through the gear teeth and gear internal outside the oilgear of gear lubrication part 5.Lubricating oil in oil groove 52 is imported by the lubrication flank of tooth in teeth groove 52 by lubrication channel 53, Oil Guide passage 54 imports lubricating oil in oil groove 52 in centre bore 2 inside oilgear.
Oil filler point 51 in gear lubrication part 5 is on the end face of gear 1, and each oil filler point 51 is provided with removable cover, prevents that the lubricating oil in oil groove 52 from overflowing.As shown in figure 1, gear lubrication part 5 includes four oil filler points 51, four oil filler points 51 are distributed on the end face of gear 1 around the center of gear 1 in 90 degree, are given oil groove oiling simultaneously by four oil filler points 1, are improved efficiency.
Lubrication channel 53 is connected with teeth groove 4, and the quantity of lubrication channel 53 is consistent with the quantity of teeth groove 4.Each lubrication channel 53 includes a teeth groove oiler 531 ' and teeth groove oil-out 532 ', teeth groove oiler 531 ' is connected with oil groove 52, teeth groove oil-out 532 ' is arranged on the bottom of teeth groove 4, teeth groove oil-out 532 ' is connected with teeth groove 4, pass through the flank of tooth of the fuel-displaced oilgear itself of teeth groove oil-out 532 ', so when outside lubricating condition is bad, the flank of tooth oil film of phase gear is kept, it is to avoid gear wear.
Flow process of the lubricating oil in the self-lubricating automotive gear, to lubricate a lubrication channel 53 and an Oil Guide passage 54 in part 5, the lubrication channel 53 and Oil Guide passage 54 are in explanation exemplified by the both sides of oil groove 52 and the two one-to-one corresponding：In the rotary course of the automobile gear, the upwardly and downwardly recurrent state that the lubrication channel 53 and Oil Guide passage 54 can go round and begin again, when lubrication channel 53 teeth groove oiler 531 ' upward when, the Oil Guide oiler 541 of Oil Guide passage 54 is down.
When lubrication channel 53 teeth groove oiler 531 ' down when, the Oil Guide oiler 541 of Oil Guide passage 54 is upward.The automobile gear rotates in automotive transmission, when lubrication channel 53 teeth groove oiler 531 ' down when, now the Oil Guide oiler 541 of Oil Guide passage 54 is upward, lubricating oil in oil groove 52 is flowed from Oil Guide oiler 541 toward the direction of Oil Guide oil-out 542, lubricating oil flow is to barrier element 543, lubricating oil is concentrated on barrier piece 5431, the gravitational force urges barrier piece 5431 of lubricating oil opens to the direction of Oil Guide oil-out 542, the barrier piece 5431 of so barrier element 543 opens, barrier element 543 is opened, lubricating oil passes through barrier element 543, flow to Oil Guide oil-out 542, into gear internal, lubricating oil remaining in lubrication channel 53 flows from teeth groove oil-out 532 ' toward the direction of teeth groove oiler 531 ' simultaneously, it is back in oil groove 52, as shown in Figure 6A.
Gear continue rotate, when rotation to lubrication channel 53 teeth groove oiler 531 ' it is non-down and it is non-down（Such as horizontality）, also right and wrong are upward and non-state down for the Oil Guide oiler 541 of Oil Guide passage 54（Such as horizontality）, there is no lubricating oil on the barrier piece 5431 of retaining piece 543, barrier piece 5431 is resetted due to its own resilient, and whole retaining piece 533 is closed.
When lubrication channel 53 teeth groove oiler 531 ' upward, now the Oil Guide oiler 541 of Oil Guide passage 54 is down, lubricating oil in oil groove 52 flows from teeth groove oiler 531 ' to the direction of teeth groove oil-out 532 ', and the flank of tooth of two adjacent teeths 3 on lubrication teeth groove 4 in teeth groove 4 is flowed to from teeth groove oil-out 532 ', make the flank of tooth formation oil film of the gear teeth 3, abrasion is reduced when gear is engaged, the lubricating oil of gear internal flows backward to Oil Guide oil-out 542 simultaneously, it is back to from Oil Guide oil-out 542 on the barrier piece 5431 of barrier element 543, because the summation of the area of barrier piece 5431 in barrier element 543 exceedes the aperture area of whole barrier element 533, lubrication pressure is on barrier piece 5431, barrier piece 5431 receives resistance each other, barrier piece 5431 can not open to the direction of Oil Guide oiler 541, so barrier element 543 is kept closed, lubricating oil cannot pass through barrier element 543, lubricating oil will not flow from Oil Guide oil-out 542 to the direction of Oil Guide oiler 541, so as to prevent that the lubricating oil of gear internal from overflowing, reduce the abrasion of gear, as shown in Figure 6B.
Finally be necessary described herein be：Above example is served only for being described in more detail technical scheme; it is not intended that limiting the scope of the invention, some nonessential modifications and adaptations that those skilled in the art makes according to the above of the present invention belong to protection scope of the present invention.
Claims (10)
1. a kind of automobile-used reduction box of gear lubrication formula, it is characterized in that, including input shaft, one-level active roller gear is installed on the input shaft, the one-level active roller gear engages the passive roller gear of one-level, the passive roller gear of one-level is coaxially mounted in secondary drive shaft with planetary gear, it is also equipped with adjusting the first axle spring of axial gap in the secondary drive shaft, the planetary gear is also meshed with gear ring, the gear ring is coaxially mounted on three-level power transmission shaft with three-level active roller gear, the three-level active roller gear engages the passive roller gear of three-level, the passive roller gear of three-level is arranged on output shaft, it is also equipped with adjusting the second axle spring of axial gap on the output shaft；
The one-level active roller gear, the passive roller gear of one-level, three-level active roller gear and the passive roller gear of three-level are heat sinking lubricated type gear structure, heat sinking lubricated type gear structure includes gear, centre bore, the gear teeth, teeth groove, gear lubrication part and radiating piece, central hole is in the center of gear, it is toothed around in gear and teeth groove, gear lubrication part and radiating piece are separately positioned on the both sides of gear；Wherein gear lubrication part includes at least one oil filler point, an oil groove, multiple lubrication channels and multiple Oil Guide passages, and lubrication channel and Oil Guide passage are respectively at the both sides of oil groove and connected with oil groove；Radiating piece includes at least one water injection hole, a tank and multiple heat dissipation channels, and water injection hole is arranged on the other end of gear, and tank connects with heat dissipation channel and inside gear, enters tank by water injection hole water filling.
2. the automobile-used reduction box of gear lubrication formula according to claim 1, it is characterised in that：Oil groove is not connected with tank, and oil discharge passage is not connected with heat dissipation channel.
3. the automobile-used reduction box of gear lubrication formula according to claim 2, it is characterised in that：Each lubrication channel includes teeth groove oil discharge passage and gear teeth oil discharge passage, teeth groove oil discharge passage is arranged in teeth groove, gear teeth oil discharge passage is arranged in the gear teeth, Oil Guide passage is connected with centre bore, by teeth groove lubrication channel oilgear in itself, gear teeth lubrication channel is lubricated inside phase gear, Oil Guide passage oilgear.
4. the automobile-used reduction box of gear lubrication formula according to claim 3, it is characterised in that：Each Oil Guide passage further comprises Oil Guide oiler, Oil Guide oil-out and barrier element, Oil Guide oiler is connected with oil groove, on the hole wall in the centrally disposed hole of Oil Guide oil-out, barrier element is between Oil Guide oiler and Oil Guide oil-out, and flowing of the barrier element control lubricating oil in Oil Guide passage.
5. the automobile-used reduction box of gear lubrication formula according to claim 4, it is characterised in that：Barrier element includes at least two panels barrier piece, and barrier piece is distributed around the center line of barrier element, and the summation of the area of barrier piece is more than the total open area of barrier element.
6. the automobile-used reduction box of gear lubrication formula according to claim 5, it is characterised in that：Barrier piece is made of elastomeric material in barrier element.
7. the automobile-used reduction box of gear lubrication formula according to claim 2, it is characterised in that：Heat dissipation channel is arranged on inside the gear teeth, and heat dissipation channel imports the water in tank inside the gear teeth.
8. the automobile-used reduction box of gear lubrication formula according to claim 7, it is characterised in that：The quantity of heat dissipation channel is consistent with the quantity of the gear teeth.
9. the automobile-used reduction box of gear lubrication formula according to claim 8, it is characterised in that：Radiating piece further comprises interlayer, and interlayer is arranged in tank and heat dissipation channel.
10. the automobile-used reduction box of gear lubrication formula according to claim 9, it is characterised in that：Interlayer is made of radiating silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616699.4A CN105626839A (en) | 2014-11-05 | 2014-11-05 | Gear-lubricating-type automotive reduction gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616699.4A CN105626839A (en) | 2014-11-05 | 2014-11-05 | Gear-lubricating-type automotive reduction gearbox |
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| Publication Number | Publication Date |
|---|---|
| CN105626839A true CN105626839A (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410616699.4A Pending CN105626839A (en) | 2014-11-05 | 2014-11-05 | Gear-lubricating-type automotive reduction gearbox |
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| CN (1) | CN105626839A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021081864A1 (en) * | 2019-10-31 | 2021-05-06 | Abb Schweiz Ag | A reducer and an industrial robot |
| CN117515142A (en) * | 2024-01-08 | 2024-02-06 | 常州天安尼康达电器有限公司 | Permanent magnet direct current gear reduction motor with self-lubricating function |
-
2014
- 2014-11-05 CN CN201410616699.4A patent/CN105626839A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021081864A1 (en) * | 2019-10-31 | 2021-05-06 | Abb Schweiz Ag | A reducer and an industrial robot |
| CN117515142A (en) * | 2024-01-08 | 2024-02-06 | 常州天安尼康达电器有限公司 | Permanent magnet direct current gear reduction motor with self-lubricating function |
| CN117515142B (en) * | 2024-01-08 | 2024-03-29 | 常州天安尼康达电器有限公司 | Permanent magnet direct current gear reduction motor with self-lubricating function |
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Application publication date: 20160601 |