CN2040043U - Five-speed all-synchronous gear shift for automobile - Google Patents
Five-speed all-synchronous gear shift for automobile Download PDFInfo
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- CN2040043U CN2040043U CN 88217065 CN88217065U CN2040043U CN 2040043 U CN2040043 U CN 2040043U CN 88217065 CN88217065 CN 88217065 CN 88217065 U CN88217065 U CN 88217065U CN 2040043 U CN2040043 U CN 2040043U
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Abstract
The utility model discloses the improvement of a change-speed gearing for light wt. Automobile comprising six assemblies of a casing, a first shaft, a second shaft, a middle shaft, a back action and an operating mechanism, etc. Five froward gears and the back action are all sliding block type synchronizator structures in the housing assembly, which is manipulated by corresponding shifting forks, and gear pairs in each bumper are all helical tooth meshing. The utility model because of adopting the sliding block type synchronizator structures has the advantages of compact structure, smalll volume, light weight, high capability, high reliability, good versatility, small noise, easy assembling and saving oil consumption, and can improve the service life of engines.
Description
The utility model belongs to the improvement of light vehicle transmission.
At present, be used for the change-speed box of lilliput car, be generally the third gear or the four-speed gear box of no synchro, gear slippage gear shift.Because what this change-speed box adopted is the straight-tooth engagement, gear impacts greatly when making its gear shift, and noise is big, send a grade distance, operation fatigue, and the gear shift difficulty, consumption of fuel is big.
It is light reliable that the purpose of this utility model provides a kind of operation, send span from weak point, the full synchronized gear transmission of five speed that oil consumption is few.
Description of drawings:
Fig. 1 is the axial sectional structure scheme drawing of two tonnes of the utility model.
Fig. 2 is that the neck of two tonnes of the utility model is to the sectional structure scheme drawing.
Fig. 3 is the axial semi-sictional view structural representation of one tonne of the utility model.
Axial semi-sictional view structural representation when Fig. 4 is meshing with each other for constant mesh gear of the utility model passenger vehicle type and tween drive shaft constant mesh gear.
Fig. 5 is the local appearance figure of one tonne of the utility model.
Fig. 6 is that the utility model reverse gear shaft is to the semi-sictional view constructional drawing.
Fig. 7 is the interlocking plunger structure cutaway view in the utility model.
Fig. 8 is the self-lock pin structure cutaway view in the utility model.
Fig. 9 is two tonnes of External views of the present utility model.
Figure 10 is one tonne of External view of the present utility model.
Figure 11 is the local structure enlarged drawing of the utility model Fig. 1.
Main points of the present utility model are:
It is made up of six assemblies such as housing and one, two, tween drive shaft, reverse gear, steering units.
Housing assembly is based on housing (9), comprise a shaft-cup (2), spring washer and bolt of rear end plate (4), medium (21), connection for bbreather pipe (22), loam cake (23) spring washer and bolt of rear end plate (29), two bonnets (38), two bonnet oil sealings (49), spring washer and bolt of rear end plate (53), adjusting pad (54), tween drive shaft gland (55), cap packing after two (60), spring washer and captive nut (61), thru-bolt (62), back-up ring (82), O RunddichtringO (83), tween drive shaft protecgulum (84), one shaft-cup liner (85), last cap packing (87), spring washer and bolt of rear end plate (116), power taking port lid (117), medium (118), power take-off hole cap packing (119), holding screw (132), nut (133), add drain the oil stifled (134), one axle assembly is to be the constant mesh gear (7) of one based on one (1) with it, comprises inner washer (3), one axle bearing (5), outer back-up ring (6), a needle bearing (8), a fourth gear is in conjunction with ring gear (10), oil retainer washer (86).Two axle assemblies are based on two (43), comprise back-up ring (11), fourth gear synchro converter ring (12), four Five-gear synchronizer slide blocks (13), four Five-gear synchronizer springs (14), four Five-gear synchronizer tooth covers (15), four Five-gear synchronizer tooth hubs (16), Five-gear synchronizer ring gear (17), five-gear combinating tooth ring (18), two five grades gears (19), five grades of needle bearings (20), two reverse gearwheels (24), two reverse gear needle bearings (25), reverse gear is in conjunction with ring gear (25), reverse gear synchro converter ring (27), one reverse gear synchronizer gear sleeve (28), one reverse gear synchronizer key (30), one reverse gear synchronizer spring (31), one grade of synchro converter ring (32), one grade in conjunction with ring gear (33), two one grade gear (34), one grade of needle bearing (35), one grade of lining (36), two axle bearings (37), two preceding spacers (39), spacer in two (40), mileage meter ring gear (41), driving gear speedometer (42), two axial flange (44), flange oil sealing (45), packing ring (46), nut (47), spring cotter (48), two rear bearings (50), spacer after two (51), outer back-up ring (52), two third gear synchronizer key (57), two third gear synchronizer springs (58), second gear needle bearing (63), two seconds speed gear (64), second gear is in conjunction with ring gear (65), second gear synchro converter ring (66), two third gear synchronizer gear sleeves (68), third gear synchro converter ring (70), third gear is in conjunction with ring gear (71), third gear needle bearing (72), third gear lining (73), two 3rd gears (74), one reverse gear synchromesh gear hub (130), two third gear synchromesh gear hubs (131).Countershaft assembly is to be one grade of gear of tween drive shaft (59), countershaft reversing gear (67), secondary gear of intermediate shaft (69), the third-speed gear of intermediate shaft (75) of one based on tween drive shaft (78) with it, comprise tween drive shaft rear bearing (56), countershaft fifth speed gear (76), tween drive shaft spacer (77), flat key (79), tween drive shaft constant mesh gear (80), tween drive shaft front bearing (81).The reverse gear assembly is based on reverse gear shaft (120), comprises thrust pad (121), reverse gear needle bearing (122), reverse gearwheel (123), fix screw (124).Control mechanism assembly is based on change-speed box side cover (96), comprises two third gear shift forks (88), two third gear fork shafts (89), four or five grades of shift forks (90), one reverse speed fork (91), elastic cylindrical pin (92), one reverse gear fork shaft (93), four or five grades of fork shafts (94), one reverse gear jaw (95), spring washer and bolt of rear end plate (97), gear shift guide shaft (98), back-up ring (99), packing ring (100), O RunddichtringO (101), gear shift fork (102), gear shifting rocking arm (103), transposition fork (104), gland (105), steel ball (106), plain cushion (107), plug screw (108), transposition rocking arm (109), spring (110), transposition guide shaft (111), cover bush (112), oil sealing (113), packing ring (114), spring washer and bolt of rear end plate (115), interlocking lateral pin (125), interlocking plunger steel ball (126), self-lock pin steel ball (127), self-locking spring cover (128), self-locking spring (129), spring washer and bolt of rear end plate (135), packing ring and reversing switch (136).
One axle assembly is by single-row radial ball bearing (5), two axle assemblies join with housing assembly by single-row radial ball bearing (37) and (50), one axle assembly is connected by needle bearing (8) with two axle assemblies, two (43) tail ends of two axle assemblies are connected the back and are sealed by oil sealing (45) with two axial flange (44) spline, the tween drive shaft of countershaft assembly (78) two ends are (preceding, the back) block bearing (81,56) adopt single-row tapered roller bearing, preceding block bearing (81) is fixing by the back-up ring on the housing (82), rear trunnion holds (56) and adjusts endplay by the adjusting pad (54) on the gland (55), and fastening with nut (61); The constant mesh gear of one axle assembly (7) is meshed with the constant mesh gear (80) of countershaft assembly; The reverse gearwheel of reverse gear assembly (123) is bearing on the reverse gear shaft (120) by needle bearing (122), and adjust its endplay with two thrust pads (121), reverse gear shaft (120) two supports is in the reverse gear shaft earhole of housing (9) and fastening with fix screw (124); The side cover of control mechanism assembly (96) is placed on housing (9) left surface, on having on the side cover (96), in, following three conplane fork shaft holes, one reverse gear fork shaft (93) places in the hole, one reverse speed fork (91) is arranged on the rear end of a reverse gear fork shaft (93), prong directly inserts in the annular fork pockets of a reverse gear synchronizer gear sleeve (28), one reverse gear jaw (95) is arranged on the middle part of a reverse gear fork shaft (93), and be fixed with elastic cylindrical pin, make three's one each other, four or five grades of fork shafts (94) place in the mesopore, four or five grades of shift forks (90) are arranged on the middle part of four or five grades of fork shafts (94), and be fixed with elastic cylindrical pin (92), prong directly is inserted in the annular fork pockets of four Five-gear synchronizer tooth covers (15), two third gear fork shafts (89) place down in the hole, two third gear shift forks (88) are arranged on the middle part of two third gear fork shafts (89) and fix with elastic cylindrical pin (92), and prong directly is inserted in the annular fork pockets of two third gear synchronizer gear sleeves (63).
The vertical direction that the vertical direction of the preceding abutment wall of last three fork shafts of side cover (96) is provided with the interlocking lateral pin (125) of interlocking plunger mechanism and interlocking steel ball (126), back abutment wall is provided with self-locking steel ball (127), self-locking spring cover (128), the self-locking spring (129) of self-lock pin mechanism, makes its gear shift freely, accurately, reliably.Vertical direction in gear shift guide shaft hole is provided with gland (105), steel ball (106), plain cushion (107), plug screw (108) and the spring (110) of feel pin mechanism, makes that it changes one, during reverse gear, and sensation obviously.
Gear shift guide shaft hole is located at the outside in three fork shaft holes and in parallel, cut vertical with one, two axis, gear shift guide shaft (98) places this hole, back-up ring (99) is packed in its groove, prevented external leakage with O RunddichtringO (101) and oil sealing (113) oil sealing, load onto packing ring (100) simultaneously, the internal splined hole of gear shift fork (102) cooperates the back axially to slide freely with the male splined shaft of gear shift guide shaft (98).The internal splined hole of gear shifting rocking arm (103) cooperates the back with spring washer and bolt of rear end plate (135) that it is fastening with the male splined shaft of gear shift guide shaft (98) axle head, and the ball head that makes gear shift fork (102) is inserted into it rotated freely, and it is fastening with it with spring washer and bolt of rear end plate (115) to load onto packing ring (114) back.Transposition guide shaft hole and vertical setting the in gear shift guide shaft hole, transposition guide shaft (111) places this hole, one end of transposition guide shaft (111) is corresponding with transposition fork (104) to cooperate the back weldering dead, the ball head of transposition fork (104) is inserted in the respective grooves of gear shift fork (102), it is rotated freely, after loading onto oil sealing and plain cushion back-up ring is installed in the circlip groove of transposition guide shaft (111), internal splined hole and the male splines of transposition guide shaft (111) head of rocking arm (109) of will replacing again cooperates with spring washer and bolt of rear end plate (135) it is fastening, and loads onto reversing switch and packing ring (136).
Five D Drives and a reverse gear in the housing assembly are the block type synchronization device structure, each grade put in order from after a reverse gear, two third gear, four or five grades respectively forward, handle with corresponding shift fork, each grade gear pair is helical teeth and meshes; Each grade gear on one or two with combine ring gear and all adopt two style structure, the two uses the invoice serration captive joint, a fourth gear has crescent assembly technology groove in conjunction with ring gear (10), and five grades of gears (19) of two axle assemblies, 3rd gear (74), second speed gear (64), reverse gearwheel (24), one grade of gear (34) are bearing on its corresponding axle journal or the lining (73,36) by corresponding needle bearing (20,72,63,25,35).
The utility model compared with prior art owing to adopted the block type synchronization device structure, makes it simple and compact for structure, volume is little in light weight, and load-carrying capacity is big, and noise is little, manoeuvrable is reliable, promptly saves oil consumption and can improve driving engine service life, its advanced and reasonable design again.
The constant mesh gear of an axle assembly of the present utility model (7) is meshed with countershaft assembly constant mesh gear (80), is press-fitted in conjunction with ring gear (10) female splines and constant mesh gear (7) end face male splines to be one.Five grades of gears (19) of two axle assemblies, reverse gearwheel (24), one grade of gear (34), second speed gear (64), the corresponding five-gear combinating tooth ring of the external key of 3rd gear (74) (18) with it, reverse gear in conjunction with (26) one grades of ring gears in conjunction with ring gear (33), second gear is in conjunction with ring gear (65), third gear is press-fitted in conjunction with the female splines of ring gear (71) and is one, while its corresponding five grades of needle bearings (20) reverse gear needle bearings (25), one grade of needle bearing (35), second gear needle bearing (63), third gear needle bearing (72) is contained in corresponding axle journal and one grade of lining (36) of two (43) respectively, on the third gear lining (73), it is rotated freely.The female splines of four Five-gear synchronizer tooth hubs (16), a reverse gear synchromesh gear hub (130), two third gear synchromesh gear hubs (131) respectively with the corresponding male splines transition fit of two (43).Four Five-gear synchronizer tooth covers (15), a reverse gear synchronizer gear sleeve (23), two third gear synchronizer gear sleeves (68) respectively with corresponding four Five-gear synchronizer tooth hubs (16), a reverse gear synchromesh gear hub (130), two third gear synchromesh gear hub (131) bearing fits, it is endwisely slipped freely.Synchronizer key (13,30,57) is contained in respectively in the corresponding trisection slot of synchromesh gear hub (16,130,131), and synchronizer spring (14,31,58) is housed in its both sides, make in its elastomeric corresponding recesses that is pressed in synchronizer gear sleeve (15,28,68).Synchro converter ring (12,17,27,32,65,70) is contained in respectively in the corresponding synchronous device assembly.The corresponding axle journal transition fit of the endoporus of one grade of lining (36), third gear lining (73) and two (43) and two same having transferred to, prevent that third gear lining (73) and two (43) from relatively rotating, with steel ball the two is fixed, two axial flange (44) are used splined with two (43).The tween drive shaft of countershaft assembly (78) is an integral structure with one shelves gear (59), reverse gearwheel (67) second speed gear (69), 3rd gear (75), the endoporus of five grades of gears (76), constant mesh gear (80) and its axle journal flush fit, and connect as one spacer (77) and tween drive shaft (78) sliding fit by flat key (79).The endoporus of rear bearing (56), front bearing (81) and its axle journal transition fit, the reverse gear shaft of reverse gear assembly (120) cooperates the back with fix screw (124) that it is fastening with the reverse gear shaft earhole of housing (9) admittedly.
Housing of the present utility model (9) front end links to each other with engine clutch housing, and two ears of two bonnets in rear end (38) and the corresponding vehicle frame of two Kong Junyu are connected.Two axial flange (44) are the mouths of change-speed box, link to each other with transmission shaft, and the power take-off hole of change-speed box is arranged on the opening part of housing (9) reverse gear shaft earhole.The speed ratio that changes an axle assembly constant mesh gear (7) and countershaft assembly constant mesh gear (80) can make it be common to visitor, lorry, constant mesh gear (7) and (80) speed ratio of being used for passenger vehicle are 1.579, being used for the constant mesh gear (7) of lorry and the speed ratio of (80) is 1.882, the relevant part dimension of two axle assemblies changes the automobile applicable to a tonne and two tonnes, when being used for two tonnes of automobiles (seeing Fig. 1,2), two earholes of two bonnets (38) and the axial distance of housing front end face are 346 millimeters.Distance is 158 millimeters and 120 degree angles each other between two earholes, and the axial distance that the transmission shaft of two axial flange (44) connects end face and housing (9) front end face is 697 millimeters, and two axial flange (44) and the transmission connection dimension that coils that is coupling is 92 * 70 millimeters of φ.When being used for one tonne of automobile (seeing Fig. 3,5), the axial distance of two earholes of two bonnets (38) and housing (9) front end face is 365 millimeters, between two earholes distance be 158 millimeters and each other 120 the degree angles, the axial distance that the transmission shaft of two axial flange (44) connects end face and housing (9) front end face is 716 millimeters, and two axial flange (44) and the transmission connection dimension that coils that is coupling is 80 * 50 millimeters of φ.
Five D Drives of the present utility model and a reverse gear are the block type synchronization device structure, all are arranged in the all-in-one-piece case of transmission (9).The 5th grade is high range overdrive gear, in order that improve the speed and the economy of automobile, the service life of also improving driving engine simultaneously.For intensity and rigidity that improves housing (9) and the resonance noise that reduces housing (9), be provided with the checkering reinforced rib at its outside face.Because each grade gear pair adopts the helical teeth engaged transmission, has increased overlap coefficient, it is transmitted steadily, reduce noise simultaneously.In order to shorten housing (9) axial dimension, make its compact conformation, a constant mesh gear (7), two gear (19,24,34,64,74) is its corresponding all adopts split-type structural in conjunction with ring gear (10,18,26,33,65,71).Out of supply automatically in order to prevent, each synchronizer gear sleeve (15,28,68) and all be designed to the back taper tooth in conjunction with ring gear (10,18,26,33,65,71).In order to reduce the noise of change-speed box, be coated with the medium (21,118) of reduction noise in the inside face subsides of housing (9) loam cake (23) and power taking port lid (117).
Fitting process of the present utility model is:
Adorn countershaft assembly earlier, back-up ring (82) is installed in the groove in hole under housing (9) front end face, the front bearing of countershaft assembly (81) outer race installs in this hole simultaneously, the countershaft assembly that assembles installs to its tween drive shaft hole site by the upper end open place of housing (9), front bearing (81) is packed in its outer race taper hole, again rear bearing (56) outer race of countershaft assembly is packed under housing (9) aft end face in the hole, and load onto adjusting pad (54) and gland (55), after adjusting its endplay with adjusting pad (54), spring washer and bolt of rear end plate (53) are fastening with it.Adorn two axle assemblies, two (43) tail ends of the two axle assembly first halfs that will assemble earlier are by the upper end open place of housing (9), go here and there two axle assembly positions, hole on the aft end face from inside to outside, load onto bearing (37) and back-up ring (52), liner (60) (two sides evenly is coated with sealant), two bonnets (38), it is fastening with spring washer and captive nut (61) by two shaft tail ends.Refill preceding spacer (39), middle spacer (40), driving gear speedometer (42), back spacer (51), bearing (50), oil sealing (49), two axial flange (44), oil sealing (45), packing ring (46), with nut (47) with it fastening and the string cottering (48), load onto mileage meter ring gear (41) and supporting base simultaneously.
Adorn an axle assembly, an outer neck in conjunction with crescent moon notch place's positive alignment tween drive shaft constant mesh gear (80) of ring gear (10) with an axle assembly can directly insert earlier, makes the bearing (5) of an axle assembly install to one axle assembly position, hole on housing (9) front end face.Refill liner (85) (two sides evenly is coated with sealant), a shaft-cup (2), fastening spring washer and bolt of rear end plate (4), holding screw (132) and nut (133).
Dress reverse gear assembly, earlier reverse gearwheel (123), needle bearing (122), two thrust pads (121) are delivered to the reverse gear shaft hole site by the power take-off hole opening part of housing (9), the reverse gear shaft auxiliary hole of reverse gear shaft (120) by housing (9) aft end face installed to the reverse gear shaft position of housing (9) and use fix screw (124) fastening.Refill liner (119) (two sides evenly is coated with sealant), power taking port lid (117) and medium (118), spring washer and bolt of rear end plate (116) are fastening with it.
The dress control mechanism assembly, earlier liner (112) two sides evenly is coated with the side cover opening part that is attached to housing (9) behind the sealant, the prong of three shift forks of the control mechanism assembly that assembles is inserted into by housing (9) side cover opening in the circular groove of the shift fork of corresponding synchronous device tooth cover (15), (28) (68) separately, with spring washer and bolt of rear end plate (97) that it is fastening.
The dress housing assembly evenly is coated with liner (87) two sides earlier the opening part that is attached to housing (9) loam cake behind the sealant, loads onto medium (21) and loam cake (23), it is fastening with spring washer and bolt of rear end plate (29).Load onto connection for bbreather pipe (22) and add, drain the oil stifled (134).
Manipulation process of the present utility model is: power is passed to the constant mesh gear (7) and tween drive shaft constant mesh gear (80) engagement of change-speed box one (1) by driving engine, power-transfer clutch, power is passed on the tween drive shaft (78), its all gears are rotated simultaneously, simultaneously all gears on the corresponding ingear change-speed box two (43) all dally, and wait to wait gear shift output (the tooth cover moves and all is as the criterion with Neutral Position).
During neutral gear, transposition rocking arm (109), gear shifting rocking arm (103) are shown in Fig. 9,10.One reverse gear synchronizer gear sleeve (28), two third gear synchronizer gear sleeves (68), four Five-gear synchronizer tooth covers (15) are all in position shown in Figure 1.All gears on two (43) all dally, at this moment no power takeoff.
The transposition rocking arm (109) that changes a reverse gear and be Fig. 9 draws (the transposition rocking arm (109) of Figure 10 pulls back) forward, and transposition fork (104) is rotated, and drives gear shift fork (102) and is moved upwards up in the respective openings groove of a reverse gear jaw (95).In the time of one grade gear shifting rocking arm (103) is drawn forward, making gear shift guide shaft (98) drive gear shift fork (102) rotates, stir a reverse gear jaw (95), a reverse gear fork shaft (93) and a reverse speed fork (91) move backward one send span from, drive simultaneously a reverse gear synchronizer gear sleeve (28) also move backward same send span from, reach and change one grade purpose.At this moment power passes to tween drive shaft constant mesh gear (80), tween drive shaft (78), one grade of gear of tween drive shaft (59), two one grade gear (34), one grade in conjunction with ring gear (33), a reverse gear synchronizer gear sleeve (28), a reverse gear synchromesh gear hub (130), transmission main shaft, two axial flange (44), i.e. one grade of output by the constant mesh gear (7) on the change-speed box one (1).During reverse gear gear shifting rocking arm (103) is pulled back, making gear shift guide shaft (98) drive gear shift fork (102) rotates, stir a reverse gear jaw (95), a reverse gear fork shaft (93) and a reverse speed fork (91) move forward one send span from, drive simultaneously a reverse gear synchronizer gear sleeve (28) also move forward same send span from, reach the purpose of changing reverse gear.At this moment power passes to tween drive shaft constant mesh gear (80), tween drive shaft (78), countershaft reversing gear (67), reverse gearwheel (123), two reverse gearwheels (24), reverse gear in conjunction with ring gear (26), a reverse gear synchronizer gear sleeve (28), a reverse gear synchromesh gear hub (130), change-speed box two (43), two axial flange (44) by the constant mesh gear (7) on the change-speed box one (1), i.e. reverse gear output.
The transposition rocking arm (109) that changes two third gear and be Fig. 9 pulls back (the transposition rocking arm (109) of Figure 10 draws forward), and transposition fork (104) is rotated, and drives gear shift fork (102) and is moved down in the respective openings groove of two third gear shift forks (88).During second gear, gear shifting rocking arm (103) is drawn forward, making gear shift guide shaft (98) drive gear shift fork (102) rotates, stir two third gear shift forks (88) and two third gear fork shafts (89) move backward one send span from, drive simultaneously two third gear synchronizer gear sleeves (68) also move backward same send span from, reach the purpose of changing second gear.At this moment power passes to tween drive shaft constant mesh gear (80), tween drive shaft (78), secondary gear of intermediate shaft (69), two seconds speed gear (64), second gear in conjunction with ring gear (65), two third gear synchronizer gear sleeves (68), two third gear synchromesh gear hubs (131), change-speed box two (43), two axial flange (44) by the constant mesh gear (7) on the change-speed box one (1), i.e. second gear output.During third gear, gear shifting rocking arm (103) is pulled back, gear shift guide shaft (98) power shift fork (102) is rotated, stir two third gear shift forks (88) and two or three the retaining fork shafts (89) move forward one send span from, drive simultaneously two third gear synchronizer gear sleeves (68) also move forward same send span from, reach and change the three-speed purpose.At this moment power passes to tween drive shaft constant mesh gear (80), tween drive shaft (78), third-speed gear of intermediate shaft (75), two 3rd gears (74), third gear in conjunction with ring gear (71), two third gear synchronizer gear sleeves (68), two third gear synchromesh gear hubs (131), change-speed box two (43), two axial flange (44) by the constant mesh gear (7) on the change-speed box one (1), i.e. third gear output.
Changing four or five grades is that transposition rocking arm (109) is motionless in Fig. 9,10 initial positions.
During fourth gear (direct speed), gear shifting rocking arm (103) is pulled back, making gear shift guide shaft (98) drive gear shift fork (102) rotates, stir four or five grades of shift forks (90) and four or five grades of fork shafts (94) move forward one send span from, drive simultaneously four Five-gear synchronizer tooth covers (15) also move forward same send span from, reach and change the four-speed purpose.At this moment power passes to a fourth gear in conjunction with ring gear (10), four Five-gear synchronizer tooth covers (15), four Five-gear synchronizer tooth hubs (16), change-speed box two (43), two axial flange (44) by the constant mesh gear (7) on the change-speed box one (1), and promptly fourth gear is directly exported.When five grades (high range overdrive gear), gear shifting rocking arm (103) is drawn forward, making gear shift guide shaft (98) drive gear shift fork (102) rotates, stir four or five grades of shift forks (90) and four or five grades of fork shafts (94) move backward one send span from, drive simultaneously four Five-gear synchronizer tooth covers (15) also move backward same send span from, reach and change five grades purpose.At this moment power passes to tween drive shaft constant mesh gear (80), tween drive shaft (78), countershaft fifth speed gear (76), two five grades gears (19), five-gear combinating tooth ring (18), four Five-gear synchronizer tooth covers (15), four Five-gear synchronizer tooth hubs (16), change-speed box two (43), two axial flange (44) by the constant mesh gear (7) on the change-speed box one (1), i.e. five grades of hypervelocity outputs.
The utility model organically changes the part draw bail and the gear shifting rocking arm of each grade transmitting ratio and mouth, transposition rocking arm installation direction, part is general in addition to make its overwhelming majority, reaches one or two tonnes, and the equal universal scheme of passenger-cargo automobile is promptly formed the light-duty series of this change-speed box.
Claims (4)
1, a kind of by six automobile gear box with five-speed and full synchronization that assembly is formed such as housing and one, two, tween drive shaft, reverse gear, steering units, it is characterized in that five D Drives and a reverse gear in the housing assembly are the block type synchronization device structure, handle with corresponding shift fork, each grade gear pair is the helical teeth engagement; Housing [9] is an one-piece construction; Each grade gear on one or two all adopts two style structure with combining ring gear, and the two uses the invoice serration captive joint, each synchronizer gear sleeve and be the back taper tooth in conjunction with ring gear; One axle assembly is by single-row radial ball bearing [5], and two axle assemblies join with housing assembly by single-row radial ball bearing [37] and [50], and an axle assembly is connected by needle bearing [8] with two axle assemblies; Two [43] tail ends of two axle assemblies are connected the back and seal with oil sealing [45] with two axial flange [44] spline; The constant mesh gear of one axle assembly [7] is meshed with the constant mesh gear [80] of countershaft assembly, and the tween drive shaft of countershaft assembly [78] two ends (front and back) block bearings [81,56] adopt single-row tapered roller bearing; The reverse gearwheel of reverse gear assembly [123] is bearing on the reverse gear shaft [120] by needle bearing [122], and adjusts its endplay with two thrust pads, and reverse gear shaft [120] two supports is in the reverse gear shaft earhole of housing [9] and use fix screw [124] fastening; The side cover of control mechanism assembly [96] is placed on the left surface of housing [9], three conplane fork shafts hole, upper, middle and lower is arranged on the side cover [96], one reverse gear fork shaft [93] places in the hole, and four or five grades of fork shafts [94] place in the mesopore, and two, third gear fork shaft [89] places down in the hole; A fourth gear has crescent assembly technology groove in conjunction with ring gear [10]; Five grades of gears [19] of two axle assemblies, 3rd gear [74], second speed gear [64], reverse gearwheel [24], one grade of gear [34] are bearing on its corresponding axle journal or the lining [73,36] by corresponding needle bearing [20,72,63,25,35].
2, according to the described automobile gear box with five-speed and full synchronization of claim 1, when it is characterized in that being used for two tonnes of automobiles, the axial distance of two earholes of two axle assembly bonnets (38) and housing (9) front end face is 346 millimeters, between two earholes distance be 158 millimeters and each other 120 the degree angles, the axial distance that the transmission shaft of two axial flange (44) connects end face and housing (9) front end face is 697 millimeters, and two axial flange (44) and the transmission connection dimension that coils that is coupling is 92 * 70 millimeters of φ; When being used for one tonne of automobile, the axial distance of two earholes of two bonnets (38) and housing (9) front end face is 365 millimeters, between two earholes distance be 158 millimeters and each other 120 the degree angles, the axial distance that the transmission shaft of two axial flange (44) connects end face and housing (9) front end face is 716 millimeters, and two axial flange (44) and the transmission connection dimension that coils that is coupling is 80 * 50 millimeters of φ.
3, according to the described automobile gear box with five-speed and full synchronization of claim 1, constant mesh gear (7) and (80) speed ratio of it is characterized in that being used for lorry are 1.882, and constant mesh gear (7) and (80) speed ratio of being used for passenger vehicle are 1.579.
4,, it is characterized in that the outside face of housing (9) is provided with the checkering strengthening rib according to the described automobile gear box with five-speed and full synchronization of claim 1; Inside face subsides at housing (9), loam cake (23) and power taking port lid (117) scribble medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88217065 CN2040043U (en) | 1988-11-10 | 1988-11-10 | Five-speed all-synchronous gear shift for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88217065 CN2040043U (en) | 1988-11-10 | 1988-11-10 | Five-speed all-synchronous gear shift for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2040043U true CN2040043U (en) | 1989-06-28 |
Family
ID=4849634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88217065 Expired - Lifetime CN2040043U (en) | 1988-11-10 | 1988-11-10 | Five-speed all-synchronous gear shift for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2040043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128601A (en) * | 2015-09-18 | 2015-12-09 | 和县农坛机械厂 | Device for preventing walking wheels from locking |
| US11231193B2 (en) | 2015-04-03 | 2022-01-25 | Chengdu Qixingtian Intellectual Property Agency Ltd. | Device control system |
-
1988
- 1988-11-10 CN CN 88217065 patent/CN2040043U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11231193B2 (en) | 2015-04-03 | 2022-01-25 | Chengdu Qixingtian Intellectual Property Agency Ltd. | Device control system |
| US11287150B2 (en) | 2015-04-03 | 2022-03-29 | Chengdu Qixingtian Intellectual Property Agency Ltd. | Device control system |
| CN105128601A (en) * | 2015-09-18 | 2015-12-09 | 和县农坛机械厂 | Device for preventing walking wheels from locking |
| CN105128601B (en) * | 2015-09-18 | 2017-06-30 | 和县农坛机械厂 | A kind of device for preventing road wheel locking |
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| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
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| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |