CN103423409A

CN103423409A - Two-speed transmission in all-electric automobiles

Info

Publication number: CN103423409A
Application number: CN2012101632565A
Authority: CN
Inventors: 崔春林; 姜华
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-24
Filing date: 2012-05-24
Publication date: 2013-12-04

Abstract

The invention relates to a two-speed transmission in all-electric automobiles. According to the technical scheme, the two-speed transmission mainly comprises a transmission mechanism, a parking mechanism, and a shifting mechanism. The parking mechanism is connected with the shifting mechanism through the transmission mechanism. The two-speed transmission has the advantages that the automobiles can be provided with good power performance, economy, shifting comfort and speediness and the two-speed transmission has lower cost than the international same-power transmissions.

Description

Pure electric vehicle two gear drivers

Technical field

The present invention relates to a kind of pure electric vehicle two gear drivers.

Background technique

As everyone knows, along with world energy sources crisis and environmental issue become increasingly conspicuous, automotive industry is faced with stern challenge: on the one hand, the petroleum resources shortage, automobile is the oil consumption rich and influential family, the automobile pollution climbed up and up has aggravated this contradiction; A large amount of uses of automobile have aggravated environmental pollution on the other hand, along with continuing to increase under the resource and environment dual-pressure, the development new-energy automobile is to become the direction of automobile industry development, and wherein Development of EV is topmost, but China's pure electric automobile driver is also a blank.

Summary of the invention

In order to solve the problem of electric vehicle driver, the invention provides a kind of pure electric vehicle two gear drivers.The technical solution used in the present invention is: it mainly comprises driving mechanism, halting mechanism, gearshift, driving mechanism connects halting mechanism and gearshift, and driving mechanism comprises the input shaft assembly, countershaft assembly, the output shaft assembly, the input shaft assembly comprises input shaft, the low gear driving gear, the third hand tap synchronizer, the high gear driving gear, wherein the third hand tap synchronizer is connected on input shaft by spline, the high gear driving gear, the low gear driving gear is fixed on input shaft, and input shaft adopts a pair of selfsealings deep groove ball bearing to support, and countershaft assembly comprises jack shaft, the high gear driven gear, the low gear driven gear, parking gear, parking gear and high gear driven gear, the low gear driven gear is contained on jack shaft, and jack shaft adopts a pair of selfsealings deep groove ball bearing to support equally, and the output shaft assembly comprises output shaft, planetary pinion, differential gear, differential casing, main deceleration driven gear, planet pin, differential casing supports by two cone bearings, and planetary pinion is connected on differential casing mutually by planet pin, and differential gear is by being connected in differential casing with planetary pinion, and halting mechanism comprises park pawl, the park pawl axle, parking gear, roller, locating stud, oil sealing, the Parking axle, pull bar, spring-pull bar, sector, torsion spring, fixed block-pull bar, fixed block-park pawl axle, the compositions such as angle transducer, wherein sector and angle transducer are arranged on the Parking axle, angle transducer and sector are provided with oil sealing, pull bar is arranged on sector, pull bar rides in fixed block-tie rod hole, and parking gear is arranged on the driving mechanism jack shaft, and park pawl is between the Parking axle rotates and torsion spring has been housed, locating stud rolls in the groove of sector, and gearshift comprises shift motor, buffer, angle transducer, shifting shaft, gear shifting pulling head, shift fork, declutch shift shaft, linear bearing, self-lock pin, third hand tap synchronizer etc., buffer is connected with shift motor, shifting shaft is arranged on buffer by spline joint, the shifting shaft two ends are respectively angle transducer and gear shifting pulling head, be provided with oil sealing between angle transducer and gear shifting pulling head, gear shifting pulling head is inserted in the shift fork hole, and shift fork and declutch shift shaft link together by pin, before and after declutch shift shaft is connected to by linear bearing, on housing, shift fork is inserted in third hand tap synchronizer gear ring.

The present invention has and guarantees that the advantage Ji Yu world that vehicle obtains good power character, Economy and shifting comfort, agility compares and have low-cost advantage with the function driver.

The accompanying drawing explanation

Below in conjunction with drawings and Examples, the invention will be further described.

Fig. 1 is structural representation of the present invention

Fig. 2 is the driving mechanism structural representation

Fig. 3 is the halting mechanism structural representation

Fig. 4 is the gearshift structural representation

Embodiment

As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, the present invention includes driving mechanism 40, halting mechanism 39, gearshift 38, driving mechanism 40 connects halting mechanism 39 and gearshift 38, and driving mechanism 40 comprises the input shaft assembly, countershaft assembly, the output shaft assembly, the input shaft assembly comprises input shaft 41, low gear driving gear 13, third hand tap synchronizer 14, high gear driving gear 1, wherein third hand tap synchronizer 14 is connected on input shaft 41 by spline, high gear driving gear 1, low gear driving gear 13 is fixed on input shaft 41, and input shaft 41 adopts a pair of selfsealings deep groove ball bearing 11 to support, and countershaft assembly comprises jack shaft 4, high gear driven gear 2, low gear driven gear 10, parking gear 3, parking gear 3 and high gear driven gear 2, low gear driven gear 10 is contained on jack shaft 4, and jack shaft 4 is same adopts a pair of selfsealings deep groove ball bearing 11 to support, and the output shaft assembly comprises output shaft 8, planetary pinion 9, differential gear 5, differential casing 7, main deceleration driven gear 12, planet pin, differential casing 7 supports by two cone bearings, and planetary pinion 9 is connected on differential casing 7 mutually by planet pin, and differential gear 5 is by being connected in differential casing 7 with planetary pinion 9, and halting mechanism 39 comprises park pawl 17, park pawl axle 19, parking gear 27, roller 15, locating stud 23, oil sealing 26, Parking axle 25, pull bar 22, spring-pull bar 18, sector 24, torsion spring 21, fixed block-pull bar 16, fixed block-park pawl axle 20, the compositions such as angle transducer, wherein sector 24 and angle transducer are arranged on Parking axle 25, angle transducer and sector 24 are provided with oil sealing 26, pull bar 22 is arranged on sector 24, pull bar 22 rides in fixed block-pull bar 16 holes, and parking gear 27 is arranged on driving mechanism 20 jack shafts 4, and park pawl 17 is between Parking axle 25 rotates and torsion spring 21 has been housed, locating stud 23 rolls in the groove of sector 24, and gearshift 38 comprises shift motor 28, buffer 36, angle transducer 37, shifting shaft 35, gear shifting pulling head 34, shift fork 33, declutch shift shaft 30, linear bearing 29, self-lock pin 32, third hand tap synchronizer 31 etc., buffer 36 is connected with shift motor 28, shifting shaft 35 is arranged on buffer 36 by spline joint, shifting shaft 35 two ends are respectively angle transducer 37 and gear shifting pulling head 34, be provided with oil sealing between angle transducer 37 and gear shifting pulling head 34, gear shifting pulling head 34 is inserted in shift fork 33 holes, and shift fork 33 and declutch shift shaft 30 link together by pin, before and after declutch shift shaft 30 is connected to by linear bearing 29, on housing, shift fork 33 is inserted in third hand tap synchronizer 31 gear rings.

Claims

1. a pure electric vehicle two keeps off drivers, and it is characterized in that: it comprises driving mechanism (40), halting mechanism (39), gearshift (38), driving mechanism (40) connects halting mechanism (39) and gearshift (38), and driving mechanism (40) comprises the input shaft assembly, countershaft assembly, the output shaft assembly, the input shaft assembly comprises input shaft (41), low gear driving gear (13), third hand tap synchronizer (14), high gear driving gear (1), wherein third hand tap synchronizer (14) is connected in input shaft (41) above by spline, high gear driving gear (1), it is upper that low gear driving gear (13) is fixed on input shaft (41), and input shaft (41) adopts a pair of selfsealings deep groove ball bearing (11) to support, and countershaft assembly comprises jack shaft (4), high gear driven gear (2), low gear driven gear (10), parking gear (3), parking gear (3) and high gear driven gear (2), it is upper that low gear driven gear (10) is contained in jack shaft (4), and jack shaft (4) adopts a pair of selfsealings deep groove ball bearing (11) to support equally, and the output shaft assembly comprises output shaft (8), planetary pinion (9), differential gear (5), differential casing (7), main deceleration driven gear (12), planet pin, differential casing (7) supports by two cone bearings, planetary pinion (9) is connected on differential casing (7) mutually by planet pin, differential gear (5) is by being connected in differential casing (7) with planetary pinion (9), and halting mechanism (39) comprises park pawl (17), park pawl axle (19), parking gear (27), roller (15), locating stud (23), oil sealing (26), Parking axle (25), pull bar (22), spring-pull bar (18), sector (24), torsion spring (21), fixed block-pull bar (16), fixed block-park pawl axle (20), angle transducer forms, wherein sector (24) and angle transducer are arranged on Parking axle (25), angle transducer and sector (24) are provided with oil sealing (26), pull bar (22) is arranged on sector (24), pull bar (22) rides in fixed block-pull bar (16) hole, parking gear (27) is arranged on driving mechanism (20) jack shaft (4), park pawl (17) is between Parking axle (25) rotates and torsion spring (21) has been housed, locating stud (23) rolls in the groove of sector (24), and gearshift (38) comprises shift motor (28), buffer (36), angle transducer (37), shifting shaft (35), gear shifting pulling head (34), shift fork (33), declutch shift shaft (30), linear bearing (29), self-lock pin (32), third hand tap synchronizer (31), buffer (36) is connected with shift motor (28), shifting shaft (35) is arranged on buffer (36) by spline joint, shifting shaft (35) two ends are respectively angle transducer (37) and gear shifting pulling head (34), be provided with oil sealing between angle transducer (37) and gear shifting pulling head (34), gear shifting pulling head (34) is inserted in shift fork (33) hole, shift fork (33) and declutch shift shaft (30) link together by pin, before and after declutch shift shaft (30) is connected to by linear bearing (29), on housing, shift fork (33) is inserted in third hand tap synchronizer (31) gear ring.