CN206918173U - A kind of new structure fixed axle gearbox - Google Patents
A kind of new structure fixed axle gearbox Download PDFInfo
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- CN206918173U CN206918173U CN201720732200.5U CN201720732200U CN206918173U CN 206918173 U CN206918173 U CN 206918173U CN 201720732200 U CN201720732200 U CN 201720732200U CN 206918173 U CN206918173 U CN 206918173U
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Abstract
It the utility model is related to a kind of new structure fixed axle gearbox, input axle assembly side is connected with one grade of clutch assembly side of advancing, the one grade of clutch assembly opposite side that advances is connected with retreating two grades of clutch assembly sides, retreat two grades of clutch assembly opposite sides to be connected with three fourth gear clutch assembly sides, three fourth gear clutch assembly opposite sides are connected with countershaft part, output shaft assembly respectively.The beneficial effects of the utility model：The selection of 8 gears can be realized, gearshift is reliable, can meet the needs of loading machine complex job operating mode；Each clutch is using multiple wavy springs as cut spring, and firmly uniform, smooth clutch engagement is soft, effectively prevent shift shock；Clutch separation is quickly thorough, can effectively avoid piston clamping stagnation, sealing ring damage, friction plate sintering phenomena such as, so as to extend gearbox service life；Large-tonnage equipment is can be applied to, the vacancy in domestic large-tonnage loading machine gearbox market can be filled up.
Description
Technical field
In terms of the utility model is related to engineering machinery, more particularly to a kind of new structure fixed axle gearbox.
Background technology
The stability of engineering truck overall performance depends primarily on the stability of gearbox performance, at present, engineering machine at present
Tool industry has the gearbox of multiple structural forms, and such as BYD2205 gearboxes, it is mainly used in 1.5 tons of loading machines, but the speed change
Case only advances, retreats each two gears, and shift shock is big, and gear shifting characteristic is not ideal enough, it is impossible to meets loading machine complex job
The demand of operating mode；Also a kind of SD16 gearboxes, it is mainly used in 160 horsepowers of bull-dozers, and the gearbox employs planetary knot
Structure, gear shifting characteristic are improved, and transmission efficiency increases, but planetary transmission is complicated, and part is more, planet carrier,
Ring gear manufacturing process difficulty is big, and required precision is higher, is not suitable for large-tonnage loading machine；In addition, domestic large-tonnage loading machine
Wide market, the utility model gearbox can fill up this vacancy.
Utility model content
Technical problem to be solved in the utility model is：A kind of fixed axle gearbox of new structure is provided, can be answered
For large-tonnage equipment such as 7 tons of loading machines, have the advantages that rational in infrastructure, gearshift reliability is high, operating efficiency is high, while can be more
Mend the vacancy in domestic large-tonnage loading machine gearbox market.
The utility model is to solve the problems, such as that used technical scheme set forth above is：
A kind of new structure fixed axle gearbox, including input axle assembly, one grade of clutch of advancing are set in casing and casing
Device assembly, retreat two grades of clutch assemblies, three fourth gear clutch assemblies, countershaft part and output shaft assembly, input axle assembly one
Side is connected with one grade of clutch assembly side of advancing, and the one grade of clutch assembly opposite side that advances is with retreating two grades of clutch assemblies one
Side connects, and retreats two grades of clutch assembly opposite sides and is connected with three fourth gear clutch assembly sides, three fourth gear clutch assemblies are another
Side is connected with countershaft part, output shaft assembly respectively；
Described input axle assembly includes input shaft 21 and input gear 22, and the output end of 21 one end torque-converters of input shaft 8 connects
Connect, the middle part of input shaft 21 sets input gear 22；
Described one grade of clutch assembly of advance includes advance one grade of clutch cylinder body 31,32, one grades of forward gear clutch
Clutch 33, power transmission shaft A34, the shelves gear 36 of forward gear 35 and one, forward gear clutch 32, advance one grade of clutch cylinder body
31st, one grade of right-to-left of clutch 33 is successively set on power transmission shaft A34, and the right side of forward gear clutch 32 sets forward gear
35, one grade of left side of clutch 33 sets a shelves gear 36, and forward gear 35 engages with input gear 22；
Described two grades of clutch assemblies of retrogressing include retreating two grades of clutch cylinder bodies 41,42, two grades of reverse drive gear clutch from
Clutch 43, power transmission shaft B44, backward gear 45 and intermediate gear 46, reverse drive gear clutch 42, retreat two grades of clutch cylinder bodies 41, two
The shelves right-to-left of clutch 43 is successively set on power transmission shaft B44, the right side of reverse drive gear clutch 42 setting backward gear 45, two grades
The left side of clutch 43 sets intermediate gear 46, and backward gear 45 engages with forward gear 35, the shelves gear 36 of intermediate gear 46 and one
Engagement, retreat two grades of clutch cylinder bodies 41 and engaged with the one grade of clutch cylinder body 31 that advances；
Three described fourth gear clutch assemblies include three fourth gear clutch cylinder bodies 51, third gear clutch 52, fourth gear clutch
53rd, power transmission shaft C54, third gear 55 and fourth gear 56, fourth gear clutch 53, three fourth gear clutch cylinder bodies 51, third gear clutch
The right-to-left of device 52 is successively set on power transmission shaft C54, and the right side of fourth gear clutch 53 sets fourth gear 56, third gear clutch 52
Left side sets third gear 55, and fourth gear 56 engages with backward gear 45, and third gear 55 engages with intermediate gear 46, and three or four
Shelves clutch cylinder body 51 engages with retreating two grades of clutch cylinder bodies 41；
Described output shaft assembly includes output shaft 61 and output gear 62, and the middle part of output shaft 61 sets output gear 62,
Output gear 62 engages with third gear 55；
Described countershaft part includes countershaft 71, the 3rd gear 72 and the 4th gear 73, and the left and right ends of countershaft 71 are set respectively
The 3rd gear 72 and the 4th gear 73 are put, the 4th gear 73 is engaged with fourth gear 56, and the 3rd gear 72 is nibbled with third gear 55
Close.
Torque-converters 8, the connection of the output end of 21 one end torque-converters of input shaft 8 are set on the outside of described casing.
Described forward gear clutch 32,42, one grades of reverse drive gear clutch, 33, two grades of clutch clutch 43, third gear from
Clutch 52 is identical with the structure of fourth gear clutch 53, and its structure includes clutch housing 101, power transmission shaft 102, piston 103, return dress
Put 104, bearing disc 105 and gear 106, power transmission shaft 102 is set in clutch housing 101, right-to-left in clutch housing 101
Set gradually piston 103, returning device 104, bearing disc 105 and gear 106, piston 103, returning device 104, bearing disc 105
It is set on power transmission shaft 102 with gear 106, the active that the returning device 104 includes being circularly set successively from left to right rubs
Pad 141, driven friction disk 142 and wavy spring 143, the internal spline of driven friction disk 142 and the spline engagement of gear 106.
The described right side of piston 103 sets exterior seal ring 131 and inner seal ring 132, exterior seal ring 131 to be located at bell housing
Between the inwall of body 101 and piston 103, inner seal ring 132 is between power transmission shaft 102 and piston 103.
The described left side of bearing disc 105 sets back-up ring 151, and the outside of back-up ring 151 is fixedly connected with clutch housing 101.
The described left and right ends of gear 106 are respectively provided with baffle plate 161.
The number of described active friction plate 141 is 12, and described 142 numbers of driven friction disk are 11, described
The number 11 of wavy spring 143.
Operation principle of the present utility model：Set and forward gear clutch, reverse drive gear clutch, one grade of clutch in casing
The fluid pressure line that device, two grades of clutches, third gear clutch, fourth gear clutch are engaged, hydraulic pump, hydraulic pressure are set on fluid pressure line
Speed change control valve is set on pipeline；When selection advance, one grade of gear, forward gear clutch is in tying with one grade of clutch
Conjunction state, the power from engine are delivered to the input gear on input shaft by torque-converters, and input gear is with before
Enter gear engagement, power is delivered to the one grade of clutch cylinder body that advances by forward gear, and clutch cylinder body drives a shelves gear to turn
Dynamic, a shelves gear engages with intermediate gear, and intermediate gear engages with third gear simultaneously, and third gear engages with output gear,
Power is delivered to output gear by third gear, and output gear drives output shaft rotation to output power；As selection advance, two
During the gear of shelves, forward gear clutch and two grades of clutches are in bonding state, and the power from engine is passed by torque-converters
The input gear being delivered on input shaft, input gear engage with forward gear, and power is driven by forward gear to advance
One grade of clutch cylinder body rotates, and the one grade of clutch cylinder body that advances engages with retreating two grades of clutch cylinder bodies, and power is by retreating two
Shelves clutch cylinder body is delivered to intermediate gear, and intermediate gear engages with third gear, and third gear engages with output gear, power
Output gear is delivered to by third gear, output gear drives output shaft rotation to output power；When selection advances, third gear
During gear, forward gear clutch is in bonding state with third gear clutch, and power is delivered to installed in input shaft by torque-converters
On input gear, input gear engages with forward gear, and power passes through forward gear and drives the one grade of clutch cylinder body that advances to turn
Dynamic, the one grade of clutch cylinder body gear that advances engages with retreating two grades of clutch cylinder body gears, retreats two grades of clutch cylinder body gears
Engaged again with three fourth gear clutch cylinder body gears, power obtains to be combined for delivery to three fourth gear clutch cylinder bodies, third gear clutch, band
Dynamic third gear rotates, and third gear engages with output gear, and power is delivered to output shaft by output gear and exported；When
Selection is advanced, the gear of fourth gear when, forward gear clutch is in bonding state with fourth gear clutch, and the power from engine leads to
Cross torque-converters and be delivered to the input gear on input shaft, input gear engages with forward gear, and power passes through advance tooth
Wheel drives the one grade of clutch cylinder body that advances to rotate, and the one grade of clutch cylinder body gear that advances is nibbled with retreating two grades of clutch cylinder body gears
Close, retreat two grades of clutch cylinder body gears and engage again with three fourth gear clutch cylinder body gears, power must for delivery to three fourth gear from
Clutch cylinder body, fourth gear clutch combine, and drive fourth gear to rotate, and fourth gear engages with the 4th gear on countershaft, drive
Countershaft is rotated, and the 3rd pinion rotation on countershaft is driven while countershaft rotates, and the 3rd gear engages with third gear, third gear tooth
Wheel engages with output gear again, and power is delivered to output shaft by output gear and exported；When selection retrogressing, one grade of gear
When, reverse drive gear clutch and one grade of clutch are in bonding state, and the power from engine is delivered to installation by torque-converters
Input gear on input shaft, input gear engage with backward gear simultaneously, and power is delivered to retrogressing two by backward gear
Shelves clutch cylinder body, retreat two grades of clutch cylinder body gears and engaged with the one grade of clutch cylinder body gear that advances, before power is delivered to
Entering one grade of clutch cylinder body, one grade of clutch, which is in, to be combined, and drives a shelves gear to rotate, and a shelves gear engages with intermediate gear,
Intermediate gear engages with third gear simultaneously, and third gear engages with output gear, and power is delivered to output by third gear
Gear, output gear drive output shaft rotation to output power；When selection retreats, two grades of gear when, reverse drive gear clutch with
Two grades of clutches are in bonding state, and the power from engine is delivered to the input tooth on input shaft by torque-converters
Wheel, input gear are engaged with backward gear, and power is delivered to by backward gear and retreats two grades of clutch cylinder bodies, two grades of clutches
In combination, intermediate gear is driven to rotate, intermediate gear engages with third gear, and third gear engages with output gear, power
Output gear is delivered to by third gear, drives output shaft rotation to output power；When selection retreats, the gear of third gear when,
Reverse drive gear clutch is in bonding state with third gear clutch, and the power from engine is delivered to installed in defeated by torque-converters
Enter the input gear on axle, input gear is engaged with backward gear, and power is delivered to by backward gear and retreats two grades of clutches
Cylinder body, retreat two grades of clutch cylinder body gears and engaged again with three fourth gear clutch cylinder body gears, power is obtained for delivery to three fourth gear
Clutch cylinder body, third gear clutch combine, and drive third gear to rotate, and third gear engages with output gear, and power passes through defeated
Go out gear and be delivered to output shaft to be exported；When selection retreats, the gear of fourth gear when, reverse drive gear clutch with fourth gear clutch
In bonding state, the power from engine is delivered to the input gear on input shaft, input gear by torque-converters
Engaged with backward gear, power is delivered to by backward gear and retreats two grades of clutch cylinder bodies, retreats two grades of clutch cylinder body teeth
Wheel is engaged with three fourth gear clutch cylinder body gears again, and power obtains to be combined for delivery to three fourth gear clutch cylinder bodies, fourth gear clutch,
Fourth gear is driven to rotate, fourth gear engages with the 4th gear on countershaft, drives countershaft to rotate, and then drives on countershaft
3rd pinion rotation, the 3rd gear engage with third gear, and third gear engages with output gear again, and power passes through output gear
Output shaft is delivered to be exported.
The beneficial effects of the utility model are：1st, the utility model fixed axle gearbox employs 3 double clutches, energy
Realize advance, retrogressing and one, two, three, four each gears（Totally 8 gears）Selection, gear shifting characteristic is more satisfactory, and gearshift can
Lean on, can meet the needs of loading machine complex job operating mode；2nd, each clutch of the present utility model uses multiple wavy springs
As cut spring, firmly uniform, smooth clutch engagement is soft, effectively prevent shift shock；Clutch separation is quickly thorough
Bottom, can effectively avoid piston clamping stagnation, sealing ring damage, friction plate sintering phenomena such as, so as to extend gearbox service life；3rd, originally
Utility model can be applied to large-tonnage equipment, can fill up the vacancy in domestic large-tonnage loading machine gearbox market.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structure partial enlarged diagram of clutch in the utility model.
Wherein, 21- input shafts, 22- input gears, one grade of clutch cylinder body of 31- advances, 32- forward gear clutch, 33-
One grade of clutch, 34- power transmission shaft A, 35- forward gear, the shelves gears of 36- mono-, 41- retreat two grades of clutch cylinder bodies, 42- reverse drive gears from
Clutch, bis- grades of clutches of 43-, 44- power transmission shaft B, 45- backward gear, 46- intermediate gears, the fourth gear clutch cylinder bodies of 51- tri-, 52-
Third gear clutch, 53- fourth gear clutch, 54- power transmission shaft C, 55- third gear, 56- fourth gears, 61- output shafts, 62- outputs
Gear, 71- countershafts, the gears of 72- the 3rd, the gears of 73- the 4th, 8- torque-converters, 101- clutch housings, 102- power transmission shafts, 103-
Piston, 104- returning devices, 105- bearing discs, 106- gears, 141- active friction plates, 142- driven friction disks, 143- waveforms
Spring, 131- exterior seal rings, 132- inner seal rings, 151- back-up rings, 161- baffle plates.
Embodiment
Embodiment of the present utility model is further illustrated below in conjunction with the accompanying drawings.
Reference picture 1-2, a kind of new structure fixed axle gearbox described in present embodiment, including casing and casing
Interior setting input axle assembly, one grade of clutch assembly of advancing, retreat two grades of clutch assemblies, three fourth gear clutch assemblies, countershaft
Part and output shaft assembly, input axle assembly side are connected with one grade of clutch assembly side of advancing, and the one grade of clutch that advances is total
It is connected into opposite side with retreating two grades of clutch assembly sides, retreats two grades of clutch assembly opposite sides and three fourth gear clutches are total
Connected into side, three fourth gear clutch assembly opposite sides are connected with countershaft part, output shaft assembly respectively；
Described input axle assembly includes input shaft 21 and input gear 22, and the output end of 21 one end torque-converters of input shaft 8 connects
Connect, the middle part of input shaft 21 sets input gear 22；
Described one grade of clutch assembly of advance includes advance one grade of clutch cylinder body 31,32, one grades of forward gear clutch
Clutch 33, power transmission shaft A34, the shelves gear 36 of forward gear 35 and one, forward gear clutch 32, advance one grade of clutch cylinder body
31st, one grade of right-to-left of clutch 33 is successively set on power transmission shaft A34, and the right side of forward gear clutch 32 sets forward gear
35, one grade of left side of clutch 33 sets a shelves gear 36, and forward gear 35 engages with input gear 22；
Described two grades of clutch assemblies of retrogressing include retreating two grades of clutch cylinder bodies 41,42, two grades of reverse drive gear clutch from
Clutch 43, power transmission shaft B44, backward gear 45 and intermediate gear 46, reverse drive gear clutch 42, retreat two grades of clutch cylinder bodies 41, two
The shelves right-to-left of clutch 43 is successively set on power transmission shaft B44, the right side of reverse drive gear clutch 42 setting backward gear 45, two grades
The left side of clutch 43 sets intermediate gear 46, and backward gear 45 engages with forward gear 35, the shelves gear 36 of intermediate gear 46 and one
Engagement, retreat two grades of clutch cylinder bodies 41 and engaged with the one grade of clutch cylinder body 31 that advances；
Three described fourth gear clutch assemblies include three fourth gear clutch cylinder bodies 51, third gear clutch 52, fourth gear clutch
53rd, power transmission shaft C54, third gear 55 and fourth gear 56, fourth gear clutch 53, three fourth gear clutch cylinder bodies 51, third gear clutch
The right-to-left of device 52 is successively set on power transmission shaft C54, and the right side of fourth gear clutch 53 sets fourth gear 56, third gear clutch 52
Left side sets third gear 55, and fourth gear 56 engages with backward gear 45, and third gear 55 engages with intermediate gear 46, and three or four
Shelves clutch cylinder body 51 engages with retreating two grades of clutch cylinder bodies 41；
Described output shaft assembly includes output shaft 61 and output gear 62, and the middle part of output shaft 61 sets output gear 62,
Output gear 62 engages with third gear 55；
Described countershaft part includes countershaft 71, the 3rd gear 72 and the 4th gear 73, and the left and right ends of countershaft 71 are set respectively
The 3rd gear 72 and the 4th gear 73 are put, the 4th gear 73 is engaged with fourth gear 56, and the 3rd gear 72 is nibbled with third gear 55
Close.
Torque-converters 8, the connection of the output end of 21 one end torque-converters of input shaft 8 are set on the outside of described casing.
Described forward gear clutch 32,42, one grades of reverse drive gear clutch, 33, two grades of clutch clutch 43, third gear from
Clutch 52 is identical with the structure of fourth gear clutch 53, and its structure includes clutch housing 101, power transmission shaft 102, piston 103, return dress
Put 104, bearing disc 105 and gear 106, power transmission shaft 102 is set in clutch housing 101, right-to-left in clutch housing 101
Set gradually piston 103, returning device 104, bearing disc 105 and gear 106, piston 103, returning device 104, bearing disc 105
It is set on power transmission shaft 102 with gear 106, the active that the returning device 104 includes being circularly set successively from left to right rubs
Pad 141, driven friction disk 142 and wavy spring 143, the internal spline of driven friction disk 142 and the spline engagement of gear 106.
The described right side of piston 103 sets exterior seal ring 131 and inner seal ring 132, exterior seal ring 131 to be located at bell housing
Between the inwall of body 101 and piston 103, inner seal ring 132 is between power transmission shaft 102 and piston 103.
The described left side of bearing disc 105 sets back-up ring 151, and the outside of back-up ring 151 is fixedly connected with clutch housing 101.
The described left and right ends of gear 106 are respectively provided with baffle plate 161.
The number of described active friction plate 141 is 12, and described 142 numbers of driven friction disk are 11, described
The number 11 of wavy spring 143.
The operation principle of present embodiment：Set in casing with forward gear clutch, reverse drive gear clutch, one grade from
The fluid pressure line that clutch, two grades of clutches, third gear clutch, fourth gear clutch are engaged, hydraulic pump, liquid are set on fluid pressure line
Pressure pipe sets speed change control valve on road；When selection advance, one grade of gear, forward gear clutch is in one grade of clutch
Bonding state, the power from engine are delivered to the input gear on input shaft by torque-converters, input gear with
Forward gear engages, and power is delivered to the one grade of clutch cylinder body that advances by forward gear, and clutch cylinder body drives a shelves gear
Rotate, a shelves gear is engaged with intermediate gear, and intermediate gear is engaged with third gear simultaneously, and third gear is nibbled with output gear
Close, power is delivered to output gear by third gear, and output gear drives output shaft rotation to output power；Before selection
Enter, two grades of gear when, forward gear clutch and two grades of clutches are in bonding state, and the power from engine passes through bending moment
Device is delivered to the input gear on input shaft, and input gear is engaged with forward gear, and power is driven by forward gear
The one grade of clutch cylinder body that advances rotates, and the one grade of clutch cylinder body that advances engages with retreating two grades of clutch cylinder bodies, and power passes through rear
Moving back two grades of clutch cylinder bodies and be delivered to intermediate gear, intermediate gear engages with third gear, and third gear engages with output gear,
Power is delivered to output gear by third gear, and output gear drives output shaft rotation to output power；As selection advance, three
During the gear of shelves, forward gear clutch is in bonding state with third gear clutch, and power is delivered to installed in defeated by torque-converters
Enter the input gear on axle, input gear engages with forward gear, and power drives the one grade of clutch cylinder that advances by forward gear
Body rotates, and the one grade of clutch cylinder body gear that advances engages with retreating two grades of clutch cylinder body gears, retreats two grades of clutch cylinder bodies
Gear is engaged with three fourth gear clutch cylinder body gears again, and power is obtained for delivery to three fourth gear clutch cylinder bodies, third gear clutch knot
Close, drive third gear to rotate, third gear engages with output gear, and it is defeated that power by output gear is delivered to output shaft progress
Go out；When selection advances, the gear of fourth gear when, forward gear clutch is in bonding state with fourth gear clutch, from engine
Power is delivered to the input gear on input shaft by torque-converters, and input gear engages with forward gear, and power passes through
Forward gear drives the one grade of clutch cylinder body that advances to rotate, and the one grade of clutch cylinder body gear that advances is with retreating two grades of clutch cylinder bodies
Gear engages, and retreats two grades of clutch cylinder body gears and is engaged again with three fourth gear clutch cylinder body gears, power is obtained for delivery to three
Fourth gear clutch cylinder body, fourth gear clutch are combined, and drive fourth gear to rotate, and fourth gear is nibbled with the 4th gear on countershaft
Close, drive countershaft to rotate, the 3rd pinion rotation on countershaft is driven while countershaft rotates, the 3rd gear is nibbled with third gear
Close, third gear engages with output gear again, and power is delivered to output shaft by output gear and exported；When selection retreat,
During one grade of gear, reverse drive gear clutch and one grade of clutch are in bonding state, and the power from engine passes through torque-converters
The input gear being delivered on input shaft, input gear are engaged with backward gear simultaneously, and power is passed by backward gear
It is delivered to and retreats two grades of clutch cylinder bodies, retreats two grades of clutch cylinder body gears and engaged with the one grade of clutch cylinder body gear that advances, moved
Power is delivered to the one grade of clutch cylinder body that advances, and one grade of clutch, which is in, to be combined, and drives a shelves gear to rotate, a shelves gear with two grades
Gear is engaged, and intermediate gear is engaged with third gear simultaneously, and third gear is engaged with output gear, and power is passed by third gear
Output gear is delivered to, output gear drives output shaft rotation to output power；When selection retrogressing, two grades of gear, reverse drive gear
Clutch and two grades of clutches are in bonding state, and the power from engine is delivered on input shaft by torque-converters
Input gear, input gear engages with backward gear, and power is delivered to by backward gear retreats two grades of clutch cylinder bodies, two
Shelves clutch, which is in, to be combined, and drives intermediate gear to rotate, intermediate gear is engaged with third gear, and third gear is nibbled with output gear
Close, power is delivered to output gear by third gear, drives output shaft rotation to output power；When selection retreats, third gear
During gear, reverse drive gear clutch is in bonding state with third gear clutch, and the power from engine is delivered to by torque-converters
Input gear on input shaft, input gear engage with backward gear, and power is delivered to retrogressing two by backward gear
Shelves clutch cylinder body, retreat two grades of clutch cylinder body gears and engaged again with three fourth gear clutch cylinder body gears, power is transmitted
To three fourth gear clutch cylinder bodies, third gear clutch combines, and drives third gear to rotate, and third gear engages with output gear, moves
Power is delivered to output shaft by output gear and exported；When selection retreats, the gear of fourth gear when, reverse drive gear clutch and fourth gear
Clutch is in bonding state, and the power from engine is delivered to the input gear on input shaft by torque-converters,
Input gear is engaged with backward gear, and power is delivered to by backward gear and retreats two grades of clutch cylinder bodies, retreats two grades of clutches
Device cylinder body gear engages with three fourth gear clutch cylinder body gears again, power for delivery to three fourth gear clutch cylinder bodies, fourth gear from
Clutch combines, and drives fourth gear to rotate, and fourth gear engages with the 4th gear on countershaft, drives countershaft to rotate, then band
The 3rd pinion rotation on dynamic countershaft, the 3rd gear engage with third gear, and third gear engages with output gear again, and power leads to
Cross output gear and be delivered to output shaft and exported.
The beneficial effect of present embodiment is：1st, the utility model fixed axle gearbox employs 3 double clutches
Device, advance, retrogressing and one, two, three, four each gears can be realized（Totally 8 gears）Selection, gear shifting characteristic is more satisfactory,
Gearshift is reliable, can meet the needs of loading machine complex job operating mode；2nd, each clutch of the present utility model uses multiple ripples
Shape spring is as cut spring, and firmly uniform, smooth clutch engagement is soft, effectively prevent shift shock；Clutch separation
Quickly thoroughly, phenomena such as effectively avoiding piston clamping stagnation, sealing ring damage, friction plate sintering, the longevity is used so as to extend gearbox
Life；3rd, the utility model can be applied to large-tonnage equipment, can fill up the vacancy in domestic large-tonnage loading machine gearbox market.
Specific embodiment of the utility model is not formed to limitation of the present utility model, every to use phase of the present utility model
Like structure and change, in the scope of protection of the utility model.
Claims (3)
- A kind of 1. new structure fixed axle gearbox, it is characterised in that：Including setting input axle assembly in casing and casing, advancing One grade of clutch assembly, retreat two grades of clutch assemblies, three fourth gear clutch assemblies, countershaft part and output shaft assembly, input Axle assembly side is connected with one grade of clutch assembly side of advancing, and the one grade of clutch assembly opposite side that advances is with retreating two grades of clutches Device assembly side connects, and retreats two grades of clutch assembly opposite sides and is connected with three fourth gear clutch assembly sides, three fourth gear clutches Device assembly opposite side is connected with countershaft part, output shaft assembly respectively；Described input axle assembly includes input shaft（21）And input gear（22）, input shaft（21）Middle part sets input gear （22）；Described one grade of clutch assembly of advance includes the one grade of clutch cylinder body that advances（31）, forward gear clutch（32）, one grade Clutch（33）, power transmission shaft A（34）, forward gear（35）With a shelves gear（36）, forward gear clutch（32）, advance one grade from Clutch cylinder body（31）, one grade of clutch（33）Right-to-left is successively set on power transmission shaft A（34）On, forward gear clutch（32）It is right Side sets forward gear（35）, one grade of clutch（33）Left side sets a shelves gear（36）, forward gear（35）With input gear （22）Engagement；Described two grades of clutch assemblies of retrogressing include retreating two grades of clutch cylinder bodies（41）, reverse drive gear clutch（42）, two grades from Clutch（43）, power transmission shaft B（44）, backward gear（45）And intermediate gear（46）, reverse drive gear clutch（42）, retreat two grades of clutches Cylinder body（41）, two grades of clutches（43）Right-to-left is successively set on power transmission shaft B（44）On, reverse drive gear clutch（42）Right side is set Put backward gear（45）, two grades of clutches（43）Left side sets intermediate gear（46）, backward gear（45）With forward gear（35） Engagement, intermediate gear（46）With a shelves gear（36）Engagement, retreat two grades of clutch cylinder bodies（41）With the one grade of clutch cylinder body that advances （31）Engagement；Three described fourth gear clutch assemblies include three fourth gear clutch cylinder bodies（51）, third gear clutch（52）, fourth gear clutch （53）, power transmission shaft C（54）, third gear（55）And fourth gear（56）, fourth gear clutch（53）, three fourth gear clutch cylinder bodies （51）, third gear clutch（52）Right-to-left is successively set on power transmission shaft C（54）On, fourth gear clutch（53）Right side sets fourth gear Gear（56）, third gear clutch（52）Left side sets third gear（55）, fourth gear（56）With backward gear（45）Engagement, three Shelves gear（55）With intermediate gear（46）Engagement, three fourth gear clutch cylinder bodies（51）With retreating two grades of clutch cylinder bodies（41）Engagement；Described output shaft assembly includes output shaft（61）And output gear（62）, output shaft（61）Middle part sets output gear （62）, output gear（62）With third gear（55）Engagement；Described countershaft part includes countershaft（71）, the 3rd gear（72）With the 4th gear（73）, countershaft（71）Left and right ends point She Zhi not the 3rd gear（72）With the 4th gear（73）, the 4th gear（73）With fourth gear（56）Engagement, the 3rd gear（72） With third gear（55）Engagement.
- A kind of 2. new structure fixed axle gearbox as claimed in claim 1, it is characterised in that：Set on the outside of described casing Torque-converters（8）, input shaft（21）One end and torque-converters（8）Output end connects.
- A kind of 3. new structure fixed axle gearbox as claimed in claim 1, it is characterised in that：Described forward gear clutch （32）, reverse drive gear clutch（42）, one grade of clutch（33）, two grades of clutches（43）, third gear clutch（52）With fourth gear clutch Device（53）Structure is identical, and its structure includes clutch housing（101）, power transmission shaft（102）, piston（103）, returning device（104）、 Bearing disc（105）And gear（106）, clutch housing（101）Interior setting power transmission shaft（102）, clutch housing（101）It is interior certainly right Piston is set gradually to the left（103）, returning device（104）, bearing disc（105）And gear（106）, piston（103）, returning device （104）, bearing disc（105）And gear（106）It is set in power transmission shaft（102）On, the returning device（104）Including from left-hand The active friction plate that the right side is circularly set successively（141）, driven friction disk（142）And wavy spring（143）, driven friction disk （142）Internal spline and gear（106）Spline engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720732200.5U CN206918173U (en) | 2017-06-22 | 2017-06-22 | A kind of new structure fixed axle gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720732200.5U CN206918173U (en) | 2017-06-22 | 2017-06-22 | A kind of new structure fixed axle gearbox |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939701A (en) * | 2019-08-31 | 2020-03-31 | 重庆铁马工业集团有限公司 | Fixed shaft type multi-way power hybrid gearbox |
| CN111288139A (en) * | 2020-02-24 | 2020-06-16 | 山东临工工程机械有限公司 | Planetary gearbox assembly |
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2017
- 2017-06-22 CN CN201720732200.5U patent/CN206918173U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939701A (en) * | 2019-08-31 | 2020-03-31 | 重庆铁马工业集团有限公司 | Fixed shaft type multi-way power hybrid gearbox |
| CN111288139A (en) * | 2020-02-24 | 2020-06-16 | 山东临工工程机械有限公司 | Planetary gearbox assembly |
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