CN105134890A - Double-gear transmission case - Google Patents

Double-gear transmission case Download PDF

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Publication number
CN105134890A
CN105134890A CN201510678728.4A CN201510678728A CN105134890A CN 105134890 A CN105134890 A CN 105134890A CN 201510678728 A CN201510678728 A CN 201510678728A CN 105134890 A CN105134890 A CN 105134890A
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CN
China
Prior art keywords
gear
sliding
shaft
collar
gearboxes
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Granted
Application number
CN201510678728.4A
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Chinese (zh)
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CN105134890B (en
Inventor
庞涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuzhou Gear Co Ltd
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Zhuzhou Gear Co Ltd
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Filing date
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Priority to CN201510678728.4A priority Critical patent/CN105134890B/en
Publication of CN105134890A publication Critical patent/CN105134890A/en
Application granted granted Critical
Publication of CN105134890B publication Critical patent/CN105134890B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/083Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with radially acting and axially controlled clutching members, e.g. sliding keys
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • F16H63/32Gear shift yokes, e.g. shift forks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • F16H63/32Gear shift yokes, e.g. shift forks
    • F16H2063/324Gear shift yokes, e.g. shift forks characterised by slide shoes, or similar means to transfer shift force to sleeve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/003Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds

Abstract

The invention provides a double-gear transmission case which comprises a transmission gear, a first link gear and a first link gear, wherein the transmission gear comprises a horizontally arranged support shaft, and a first gear shift yoke and a second gear shift yoke which can horizontally slide on the support shaft; the first gear shift device and the second gear shift device respectively comprise input shafts which are arranged symmetrically, and a high-gear gear, a slide toothed sleeve and a low-gear gear which are arranged on the outer side in the radial direction; the top ends of the two input shafts are nearer, and the tail ends are farther; the tail ends and top ends of the two input shafts are respectively provided with a high-gear gear and a low-gear gear; the slide toothed sleeve is connected with the gear-shift yokes and arranged between the high-gear gear and low-gear gear, and can simultaneously make an opposite or reverse slide along the axial direction of the input shafts under the action of the two gear shift yokes; and the two slide toothed sleeves are simultaneously meshed with the two high-gear gears or two low-gear gears, thereby finally implementing the gear shift of the transmission case. The double-gear transmission case provided by the invention has the advantages of simple structure, high use stability and long service life.

Description

Two gear gearboxes
Technical field
The present invention relates to gearbox technical field, particularly, relate to a kind of two gear gearboxes.
Background technique
The agricultural of current China is just progressively to Mechanization Development, but based on the fundamental realities of the country of China, machinery must be limited to lower cost when designing, if gearbox adopts the transmission scheme of hydraulic driving, hub reduction, cost can be caused to raise, therefore most of gearbox still adopt traditional mechanical transmission structure: motor by the engagement between different gear in drive mechanism by the transmission of power of different size to left and right wheels.
Existing gearbox only arranges a selector fork to realize the power transmission of left and right wheels mostly when designing, and such structure is all comparatively complicated, component are many, can cause that disassembly process is loaded down with trivial details, the wearing and tearing of component are comparatively large, and cost is also large.And although minority gearbox employs the drive mechanism of two shift fork, but move in the same way often between two shift forks, consistent in order to ensure the moment of torsion of left and right wheels, the necessary cycle arrangement of gear of the different number of teeth, this makes each type gear occupy larger space, component that are easy and surrounding occur to clash into and collide with, and also make the installation difficulty of gearbox increase, easily wrongly installed.
Summary of the invention
For overcoming in prior art two the gear complex structure of gearbox, the technical problems of dismounting inconvenience, the invention provides a kind of structure simple, be easy for installation and maintenance, two gear gearboxes of low cost.
A kind of two gear gearboxes, it is characterized in that, comprise housing and be located at the first linkage of described enclosure interior, the second linkage and idler shaft, described first linkage and described second linkage are arranged on same level shaft axis, and the two includes input shaft and is located at the high gear gear of its radial outside, sliding gear collar and low gear gear, described idler shaft and this horizontal axis line parallel are arranged;
First input shaft and the second input shaft are symmetrical arranged, the two top is closed on and tail end away from, the tail end of the two is respectively equipped with the first high gear gear and the second high gear gear, the top of the two is respectively equipped with the first low gear gear and the second low gear gear, the middle part of the two is respectively equipped with the first sliding gear collar and the second sliding gear collar, and two sliding gear collars can along the axial direction of place input shaft in opposite directions or dorsal glide simultaneously, by make two sliding gear collars simultaneously with two high gear gears meshing or simultaneously with two low gear gears meshing, finally realize the switching of gearbox high to low gear interdigit,
Described two gear gearboxes also comprise the first duplex-gear, the second duplex-gear, the first output shaft, the second output shaft and are divided into the first output gear and second output gear of two output shaft one end, two duplex-gears are symmetrically set in the axial two ends of described idler shaft, and engage with described first output gear and described second output gear respectively, simultaneously described first duplex-gear and described first high gear gear and described first low gear gears meshing, described second duplex-gear and described second high gear gear and described second low gear gears meshing.
According to a preferred embodiment of the present invention, described two gear gearboxes also comprise back shaft, operating handle and transmission device, one end of described operating handle is located at outside described housing, its the other end to be located in described housing and to be connected with described transmission device, described transmission device comprises the first selector fork be connected with described first sliding gear collar and the second selector fork be connected with described second sliding gear collar, described back shaft to be horizontally placed in described housing and for described two selector fork horizontal slips thereon, two selector forks under the operation of described operating handle along the axial direction of described back shaft close to each other or away from, the while of driving two sliding gear collars being connected with the two on input shaft in opposite directions or dorsal glide.
According to a preferred embodiment of the present invention, described transmission device also comprises cable wire guide pin bushing and is embedded in cable wire wherein, the trend of described cable wire is made to be that 180 ° of revolutions are arranged with described cable wire guide pin bushing guiding, described operating handle is horizontally disposed with, its one end be located in described housing is connected with one end of described second selector fork, one end of described cable wire, and the other end of described cable wire is connected to one end of described first selector fork.
According to a preferred embodiment of the present invention, the entirety of described cable wire guide pin bushing is type, and be located on the sidewall of described housing.
According to a preferred embodiment of the present invention, described transmission device also comprises the first spiral arm and the second spiral arm, described operating handle is longitudinally arranged, its be located at one end in described housing and one end of described first spiral arm, described second spiral arm one end hinged, the other end of two spiral arms is hinged with one end of described first selector fork and described second selector fork respectively.
According to a preferred embodiment of the present invention, size, the shape of described first spiral arm and described second spiral arm are consistent, and the entirety that the two and described operating handle are formed is in falling " Y " font.
According to a preferred embodiment of the present invention, the outer wall of described first sliding gear collar is provided with groove, and one end of described first selector fork is connected in this groove, and the outer wall of described second sliding gear collar is provided with groove, and one end of the second selector fork is connected in this groove.
According to a preferred embodiment of the present invention, the internal spline that described first sliding gear collar inwall is arranged coordinates with the external splines that described first input shaft outer wall is arranged, and the internal spline that described second sliding gear collar inwall is arranged coordinates with the external splines that described second input shaft outer wall is arranged.
According to a preferred embodiment of the present invention, described first high gear gear and the first low gear gear are provided with external splines, and the two all can engage with the internal spline that described first sliding gear collar is arranged; Described second high gear gear and the second low gear gear are provided with external splines, and the two all can engage with the internal spline that described second sliding gear collar is arranged.
According to a preferred embodiment of the present invention, the tail end of described first input shaft and described second input shaft is equipped with internal spline, can be connected with the rotatingshaft of left motor and right motor respectively, one end of described first output shaft, one end of described second output shaft are connected with the left wheel of car body, right wheel respectively.
Technological scheme provided by the invention has following beneficial effect:
1, the entirety of described two gear gearboxes adopts symmetrical structure, its selector fork, input shaft, sliding gear collar, high gear gear, low gear gear and duplex-gear are and are symmetrical arranged between two, the part kind that structure is simply clear, use is less, be convenient to install, and improves stability in use and the working life of gearbox.
2, described two gear gearboxes are provided with the special described transmission device of structure, two selector forks can be made to move in opposite directions or dorsad simultaneously, achieve the one to one transmission of motor to wheel, not only reduce kind and the quantity of part, reduce production cost, also simplify drive mechanism, be convenient to the maintenance of gearbox.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing described below is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of two gear gearboxes provided by the invention;
Fig. 2 is the part-structure schematic diagram of a kind of embodiment of two gear gearboxes shown in Fig. 1;
Fig. 3 is the part-structure schematic diagram of the another kind of embodiment of two gear gearboxes shown in Fig. 1;
In figure: 01 left motor, 02 right motor, 03 left wheel, 04 right wheel; 11 housings, 12 back shafts, 13 operating handles, 14 transmission devices, 15 first linkages, 16 second linkages, 17 idler shafts; 141 cable wires, 142 cable wire guide pin bushings, 143 first selector forks, 144 second selector forks, 145 first spiral arms, 146 second spiral arms; 151 first input shafts, 152 first sliding gear collars, 153 first high gear gears, 154 first low gear gears; 161 second input shafts, 162 second sliding gear collars, 163 second high gear gears, 164 second low gear gears; 181 first duplex-gears, 182 first output gears, 183 first output shafts; 191 second duplex-gears, 192 second output gears, 193 second output shafts.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Seeing also Fig. 1 and Fig. 2, is the structural representation of a kind of embodiment of two gear gearboxes provided by the invention.Described two gear gearboxes are circumscribed with left motor 01, right motor 02, left wheel 03 and right wheel 04, described two gear gearboxes comprise housing 11, operating handle 13 and are located at back shaft 12, transmission device 14, first linkage 15, second linkage 16 and the idler shaft 17 in described housing 11.Described transmission device 14 comprises cable wire 141, cable wire guide pin bushing 142, first selector fork 143 and the second selector fork 144, described first linkage 15 comprises the first input shaft 151 and is located on the first sliding gear collar 152, first high gear gear 153 and the first low gear gear 154 of its radial outside, and described second linkage 16 comprises the second input shaft 161 and is located on the second sliding gear collar 162, second high gear gear 163 and the second low gear gear 164 of its radial outside.Described back shaft 12 is round bar shape, and it is horizontally disposed with and two ends are fixedly connected with the inwall of described housing 11 respectively, and described back shaft 12 is for described first selector fork 143 and described second selector fork 144 horizontal slip thereon.
Described operating handle 13 is horizontally disposed with and through the sidewall of described housing 11, its one end is located at outside described housing 11, and the other end to be located in described housing 11 and to be connected with described transmission device 14.
Described cable wire 141 is embedded in described cable wire guide pin bushing 142, the trend of its entirety is that 180 ° of revolutions are arranged, the two ends of described cable wire 141 connect the top that described operating handle 13 is located at one end in described housing 11 and described first selector fork 143 respectively, described cable wire 141 is the flexible cable that many or multiply finer wire twist into, and has certain rigidity and softness concurrently.
Described cable wire guide pin bushing 142 entirety is type, it is fixedly arranged on the sidewall of described housing 11, mainly plays the effect that the described cable wire 141 of protection is also its guiding
Described first selector fork 143 and described second selector fork 144 are all sheathed on described back shaft 12 and also can slidably reciprocate along its axis, the two top connects one end of described cable wire 141 and described operating handle 13 respectively and is located at one end in described housing 11, and the bottom of the two is connected with described first sliding gear collar 152 and described second sliding gear collar 162 respectively.
Described first input shaft 151 and described second input shaft 161 are relatively arranged on same level shaft axis, the two top close on and tail end away from, and the axis being parallel of this horizontal axis line and described back shaft 12.The tail end of described first input shaft 151 and described second input shaft 161 is equipped with internal spline, can be connected with the rotatingshaft of left motor 01 and right motor 02 respectively.
The tail end of described first input shaft 151 and described second input shaft 161 is located at respectively by described first high gear gear 153 and described second high gear gear 163, described first sliding gear collar 152 and described second sliding gear collar 162 are located at the middle part of described first input shaft 151 and described second input shaft 161 respectively, and the top of described first input shaft 151 and described second input shaft 161 is located at respectively by described first low gear gear 154 and described second low gear gear 164.
The inwall of described first sliding gear collar 152 is provided with internal spline, and the outer wall of described first input shaft 151 is provided with external splines, the two is connected by the gear teeth meshing of interior external splines, by gear teeth backlash, described first sliding gear collar 152 can slide along the axial direction of described first input shaft 151, and the outer wall of described first sliding gear collar 152 is provided with groove, the bottom of described first selector fork 143 is connected in this groove.
Described first high gear gear 153 and described first low gear gear 154 are equipped with external splines, and the two internal spline that can arrange with described first sliding gear collar 152 engages.
The inwall of described second sliding gear collar 162 is provided with internal spline, and the outer wall of described second input shaft 161 is provided with external splines, the two is connected by the gear teeth meshing of interior external splines, by gear teeth backlash, described second sliding gear collar 162 can slide along the axial direction of described second input shaft 161, and the outer wall of described second sliding gear collar 162 is provided with groove, the bottom of described second selector fork 144 is connected in this groove.
Described second high gear gear 163 and described second low gear gear 164 are equipped with external splines, and the two internal spline that can arrange with described second sliding gear collar 162 engages.
Described idler shaft 17 is round bar shape, and arranges with the axis being parallel of described back shaft 12, and its two ends are fixedly connected with the inwall of described housing 11 respectively.
Described two gear gearboxes also comprise the first duplex-gear 181, second duplex-gear 191, first output gear 182, second output gear 192, first output shaft 183 and the second output shaft 193.
Described first duplex-gear 181 and described second duplex-gear 191 are symmetricly set in the axial two ends of described idler shaft 17, and described first duplex-gear 181 engages with described first high gear gear 153, first low gear gear 154 simultaneously, described second duplex-gear 191 engages with described second high gear gear 163, second low gear gear 164 simultaneously.
Described first output gear 182 and described second output gear 192 are located at one end of described first output shaft 183 and described second output shaft 192 respectively, and the two engages with described first duplex-gear 181, described second duplex-gear 191 respectively, the other end of two output shafts distinguishes left wheel 03 and the right wheel 04 of connection body simultaneously.
Referring again to Fig. 3, it is the structural representation of the another kind of embodiment of two gear gearboxes shown in Fig. 1.In the present embodiment, described transmission device 14 instead of the effect of described cable wire 141 and described cable wire guide pin bushing 142 with the structure of the first spiral arm 145 and the second spiral arm 146.
Described operating handle 13 is longitudinally arranged, its be located at one end in described housing 11 and one end of described first spiral arm 145, described second spiral arm 146 one end hinged, the other end of two spiral arms is hinged with one end of described first selector fork 143 and described second selector fork 144 respectively.Size, the shape of two spiral arms are consistent, and the entirety that the two and described operating handle 13 are formed is in falling " Y " font.
The working principle of described two gear gearboxes is as follows:
Operating handle 13 described in push-and-pull, by connected described cable wire 141 or described first spiral arm 145, second spiral arm 146, drive described first selector fork 143 and described second selector fork 144 close to each other or away from motion on described back shaft 12, under the effect of two selector forks, described first sliding gear collar 152 and described second sliding gear collar 162 along place input shaft axial direction in opposite directions or dorsal glide simultaneously, and simultaneously with two high gear gears meshing or two low gear gears meshing, finally realize the switching of gearbox high to low gear interdigit.When two sliding gear collars are simultaneously with two high gear gears meshing, power is transferred sequentially to left and right wheels by input shaft-sliding gear collar-high gear gear-duplex-gear-output shaft, and now gearbox is in high gear operating condition; When two sliding gear collars are simultaneously with two low gear gears meshing, power is transferred sequentially to left and right wheels by input shaft-sliding gear collar-low gear gear-duplex-gear-output shaft, and now gearbox is in low gear operating condition.
The foregoing is only embodiments of the invention; not thereby scope of patent protection of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; directly or indirectly be used in the technical field that other is relevant, be all in like manner included in scope of patent protection of the present invention.

Claims (10)

1. a gear gearbox, it is characterized in that, comprise housing (11) and be located at inner the first linkage (15) of described housing (11), the second linkage (16) and idler shaft (17), described first linkage (15) and described second linkage (16) are arranged on same level shaft axis, and the two includes input shaft and is located at the high gear gear of its radial outside, sliding gear collar and low gear gear, described idler shaft (17) and this horizontal axis line parallel are arranged;
First input shaft (151) and the second input shaft (161) are symmetrical arranged, the two top is closed on and tail end away from, the tail end of the two is respectively equipped with the first high gear gear (153) and the second high gear gear (163), the top of the two is respectively equipped with the first low gear gear (154) and the second low gear gear (164), the middle part of the two is respectively equipped with the first sliding gear collar (152) and the second sliding gear collar (162), and two sliding gear collars can along the axial direction of place input shaft in opposite directions or dorsal glide simultaneously, by make two sliding gear collars simultaneously with two high gear gears meshing or simultaneously with two low gear gears meshing, finally realize the switching of gearbox high to low gear interdigit,
Described two gear gearboxes also comprise the first duplex-gear (181), second duplex-gear (191), first output shaft (183), second output shaft (193) and be divided into the first output gear (182) and second output gear (192) of two output shaft one end, two duplex-gears are symmetrically set in the axial two ends of described idler shaft (17), and engage with described first output gear (182) and described second output gear (192) respectively, described first duplex-gear (181) is engaged with described first high gear gear (153) and described first low gear gear (154) simultaneously, described second duplex-gear (191) is engaged with described second high gear gear (163) and described second low gear gear (164).
2. two gear gearboxes according to claim 1, it is characterized in that, described two gear gearboxes also comprise back shaft (12), operating handle (13) and transmission device (14), described housing (11) is located at outward in one end of described operating handle (13), its the other end to be located in described housing (11) and to be connected with described transmission device (14), described transmission device (14) comprises the first selector fork (143) be connected with described first sliding gear collar (152) and the second selector fork (144) be connected with described second sliding gear collar (162), described back shaft (12) to be horizontally placed in described housing (11) and for described two selector fork horizontal slips thereon, two selector forks under the operation of described operating handle (13) along the axial direction of described back shaft (12) close to each other or away from, the while of driving two sliding gear collars being connected with the two on input shaft in opposite directions or dorsal glide.
3. two gear gearboxes according to claim 2, it is characterized in that, described transmission device (14) also comprises cable wire guide pin bushing (142) and is embedded in cable wire (141) wherein, the trend of described cable wire (141) is made to be that 180 ° of revolutions are arranged with described cable wire guide pin bushing (142) guiding, described operating handle (13) is horizontally disposed with, it is located at one end of one end in described housing (11) and described second selector fork (144), one end of described cable wire (141) connects, the other end of described cable wire (141) is connected to one end of described first selector fork (143).
4. two gear gearboxes according to claim 3, it is characterized in that, the entirety of described cable wire guide pin bushing (142) is type, and be located on the sidewall of described housing (11).
5. two gear gearboxes according to claim 2, it is characterized in that, described transmission device (14) also comprises the first spiral arm (145) and the second spiral arm (146), described operating handle (13) is longitudinally arranged, its be located at one end of one end in described housing (11) and described first spiral arm (145), described second spiral arm (146) one end hinged, the other end of two spiral arms is hinged with one end of described first selector fork (143) and described second selector fork (144) respectively.
6. two gear gearboxes according to claim 5, it is characterized in that, size, the shape of described first spiral arm (145) and described second spiral arm (146) are consistent, and the entirety that the two and described operating handle (13) are formed is in falling " Y " font.
7. two gear gearboxes according to claim 2, it is characterized in that, the outer wall of described first sliding gear collar (152) is provided with groove, one end of described first selector fork (143) is connected in this groove, the outer wall of described second sliding gear collar (162) is provided with groove, and one end of the second selector fork (144) is connected in this groove.
8. two gear gearboxes according to claim 7, it is characterized in that, the internal spline that described first sliding gear collar (152) inwall is arranged coordinates with the external splines that described first input shaft (151) outer wall is arranged, and the internal spline that described second sliding gear collar (162) inwall is arranged coordinates with the external splines that described second input shaft (161) outer wall is arranged.
9. two gear gearboxes according to claim 8, it is characterized in that, described first high gear gear (153) and the first low gear gear (154) are provided with external splines, and the two all can engage with the upper internal spline arranged of described first sliding gear collar (152); Described second high gear gear (163) and the second low gear gear (164) are provided with external splines, and the two all can engage with the upper internal spline arranged of described second sliding gear collar (162).
10. two gear gearboxes according to claim 1, it is characterized in that, the tail end of described first input shaft (151) and described second input shaft (161) is equipped with internal spline, can be connected with the rotatingshaft of left motor (01) and right motor (02) respectively, one end of described first output shaft (183), one end of described second output shaft (191) are connected with the left wheel (03) of car body, right wheel (04) respectively.
CN201510678728.4A 2015-10-19 2015-10-19 Two gear gearboxes Active CN105134890B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018143872A1 (en) * 2017-02-02 2018-08-09 Scania Cv Ab Dog clutch control arrangement, transmission, and vehicle comprising transmission

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1197560A (en) * 1968-05-02 1970-07-08 Gen Motors Corp Countershaft Transmission with Damper to Prevent Gear Clash
CN103486217A (en) * 2013-09-29 2014-01-01 重庆隆旺机电有限责任公司 Continuous-power-shifting two-gear speed changing box
CN203892479U (en) * 2014-06-13 2014-10-22 青岛金江源工业装备有限公司 Two-gear gearbox
CN204127299U (en) * 2014-10-13 2015-01-28 郭兆丰 Vehicle automatic gear shifting device
CN205047750U (en) * 2015-10-19 2016-02-24 株洲齿轮有限责任公司 Two keep off gearbox

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1197560A (en) * 1968-05-02 1970-07-08 Gen Motors Corp Countershaft Transmission with Damper to Prevent Gear Clash
CN103486217A (en) * 2013-09-29 2014-01-01 重庆隆旺机电有限责任公司 Continuous-power-shifting two-gear speed changing box
CN203892479U (en) * 2014-06-13 2014-10-22 青岛金江源工业装备有限公司 Two-gear gearbox
CN204127299U (en) * 2014-10-13 2015-01-28 郭兆丰 Vehicle automatic gear shifting device
CN205047750U (en) * 2015-10-19 2016-02-24 株洲齿轮有限责任公司 Two keep off gearbox

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018143872A1 (en) * 2017-02-02 2018-08-09 Scania Cv Ab Dog clutch control arrangement, transmission, and vehicle comprising transmission

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