CN207049315U - Two-pass magnet control two keeps off fork type automatic gear-box - Google Patents

Two-pass magnet control two keeps off fork type automatic gear-box Download PDF

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Publication number
CN207049315U
CN207049315U CN201720723286.5U CN201720723286U CN207049315U CN 207049315 U CN207049315 U CN 207049315U CN 201720723286 U CN201720723286 U CN 201720723286U CN 207049315 U CN207049315 U CN 207049315U
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China
Prior art keywords
gear
electromagnet
clutch
low
pass
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CN201720723286.5U
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Chinese (zh)
Inventor
鲍全兴
肖青锋
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CHANGZHOU WUQI AUTO ELECTRIC Co Ltd
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CHANGZHOU WUQI AUTO ELECTRIC Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed 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
    • F16H3/087—Toothed 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 characterised by the disposition of the gears
    • F16H3/089—Toothed 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 characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed 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
    • F16H2003/0811—Toothed 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 using unsynchronised clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1232—Bringing the control into a predefined state, e.g. giving priority to particular actuators or gear ratios
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
    • F16H2061/1288—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is an actuator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
    • F16H2063/3053—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force using linear motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H2063/3089—Spring assisted shift, e.g. springs for accumulating energy of shift movement and release it when clutch teeth are aligned
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/32—Gear shift yokes, e.g. shift forks

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Structure Of Transmissions (AREA)

Abstract

It the utility model is related to gearbox technical field, especially a kind of two grades of fork type automatic gear-box of two-pass magnet control, the gearbox includes casing, input shaft, jackshaft, clutch and two-pass electromagnet, and input shaft and jackshaft are rotatably arranged in casing；Low-grade driving gear and high-grade driving gear are fixed with input shaft；Axial restraint has low-grade driven gear and high-grade driven gear on jackshaft, low-grade driving gear is meshed with low-grade driven gear forms low-grade input gear pair, high-grade driving gear is meshed with high-grade driven gear forms high-grade input gear pair, when being switched to top gear by two-pass magnet control low or first gear or top gear is switched to low or first gear, and it is additionally arranged neutral gear, as gear shift transition, gear shift is set smoothly to realize automatically, and impulsive force when eliminating gear shift, due to the fast response time of two-pass electromagnet, greatly reduce pause and transition in rhythm or melody sense during gear shift, improve the comfortableness of driver and crew.

Description

Two-pass magnet control two keeps off fork type automatic gear-box
Technical field
Gearbox technical field is the utility model is related to, it is automatic that especially a kind of two-pass magnet control two keeps off fork type Gearbox.
Background technology
Gearbox is mainly used in changing gearratio, expands the excursion of driving wheel torque and rotating speed, to adapt to often become The driving conditions of change, while engine is worked under the favourable operating mode that power is higher and oil consumption is relatively low.
With the pollution problem of energy increasingly depleted and getting worse, electrically drivable motor vehicle has become development Trend.Electrically drivable motor vehicle mainly uses two-gear automatic speed changing case at present, but current two keep off variable-speed motor generally existing cost Height, transmission efficiency is low, shift shock power is big and traveling in pause and transition in rhythm or melody sense of shifting gears it is strong, there is also that to beat tooth etc. existing in shift process As.
Utility model content
The technical problems to be solved in the utility model is：Impulsive force during in order to solve two gear variable-speed motor gearshift in the prior art The problem of big and pause and transition in rhythm or melody sense is strong, a kind of two-pass magnet control two is now provided and keeps off fork type automatic gear-box.
Technical scheme is used by the utility model solves its technical problem：A kind of gear of two-pass magnet control two is dialled V shape automatic gear-box, the gearbox include casing, input shaft, jackshaft, clutch and two-pass electromagnet, the input shaft And jackshaft is rotatably arranged in casing；
Low gear driving gear and high gear driving gear are fixed with the input shaft；
Axial restraint has a low gear driven gear and high gear driven gear on the jackshaft, low gear driving gear and low gear from Moving gear, which is meshed, forms low gear input gear pair, and high gear driving gear is meshed with high gear driven gear forms high gear input tooth Wheel set；
The clutch sleeve is located on jackshaft, clutch between low gear driven gear and high gear driven gear, from When being moved to low gear driven gear on jackshaft, clutch engages clutch with low gear driven gear, and clutch is on jackshaft When being moved to high gear driven gear, clutch engages with high gear driven gear；
The two-pass electromagnet includes the first electromagnet and the second electromagnet for being respectively provided with dynamic iron core, the second electromagnet Dynamic iron core is located at the outside of the first electromagnet, and shifting fork bar is connected with the dynamic iron core of the first electromagnet, is fixed on the shifting fork bar There is shift fork, the shift fork is stuck on the clutch, has the shaft shoulder on the shifting fork bar, the shifting fork bar is away from two-pass electromagnetism One end of iron is arranged with compression spring, and one end of the compression spring is against on the shaft shoulder, and the other end is against on the inwall of casing.
Moved in this programme by two-pass solenoid actuated clutch along countershaft axis direction, realize that clutch is located at Bottom gear, neutral or top gear, when clutch is located at bottom gear, clutch engages with low gear driven gear；When clutch position When neutral, low gear driven gear and high gear driven gear homogeneously dally to jackshaft；When clutch is located at high gear, clutch Engaged with high gear driven gear；
When the first electromagnet and the second electromagnet it is electric when, the dynamic iron core of the first electromagnet promotes shifting fork bar, shifting fork bar On shift fork drive clutch inwardly promoted along countershaft axis direction, compression spring is in compressive state, the second electromagnet Dynamic iron core is located on the outside of the dynamic iron core of the first electromagnet, and now clutch is located at bottom gear；
When the first electromagnet dead electricity and the second electromagnet obtain electric, compression spring promotes shifting fork bar outside under elastic force effect Mobile, until the dynamic iron core of the second electromagnet props up the dynamic iron core of the first electromagnet, now clutch is in neutral；
When the first electromagnet and the equal dead electricity of the second electromagnet, the dynamic iron core of the first electromagnet loses the dynamic of the second electromagnet Iron core is spacing, and shifting fork bar continues to be displaced outwardly under the elastic force effect of compression spring, and shifting fork bar resets, and now clutch is in height Speed gear；
By being additionally arranged in two-pass electromagnet when bottom gear is switched to top gear or when top gear is switched to bottom gear Neutral, as gearshift transition, impulsive force when enabling gearshift smoothly to realize automatically, and eliminating gearshift, due to the sound of electromagnet Answer speed fast, greatly reduce pause and transition in rhythm or melody sense during gearshift, improve the comfortableness of driver and crew.
Specifically, the two-pass electromagnet also includes housing, and first electromagnet and the second electromagnet include line Circle, the first electromagnet and the second magnet spool be arranged in housing, and the front end of the coil is provided with spacer, and second The spacer of electromagnet coil front end between the first electromagnet and the second electromagnet, the first electromagnet and the second electromagnet Dynamic iron core is slidably arranged in coil thereon respectively, and the inner side of the dynamic iron core is outward extended with extension, the first electromagnetism The extension of dynamic iron core is fixedly connected with shifting fork bar in iron, when the first electromagnet and the second electromagnet it is electric when, the second electromagnetism The dynamic iron core outboard end of the extension of dynamic iron core and the first electromagnet has spacing in iron, and now clutch is located at bottom gear； When the first electromagnet dead electricity and the second electromagnet obtain electric, the extension end of dynamic iron core is against the first electromagnetism in the second electromagnet The outboard end of dynamic iron core in iron, now clutch be in neutral；When the first electromagnet and the equal dead electricity of the second electromagnet, first The dynamic iron core outboard end of electromagnet is recovered to be against on the spacer between the first electromagnet and the second electromagnet；First electromagnet with Spacer between second ferroelectric can limit the distance of the dynamic iron core movement in the second electromagnet, the first electromagnet coil front end The distance for the dynamic iron core movement that spacer is used to limit in it.
Further, rotated in the casing and be provided with differential mechanism, output driven gear, institute are fixed with the differential mechanism State and input driving gear is fixed with jackshaft, the input driving gear forms output gear with output driven gear intermeshing Wheel set.
Further, the velocity sensor for detecting middle rotating speed is provided with the casing.
Preferably, the clutch is provided with some first teeth portion close to the side of low gear driven gear, the low gear from Moving gear offers some the first slots to match with the first teeth portion close to the side of clutch.
Preferably, the clutch is provided with some second teeth portion close to the side of high gear driven gear, the high gear from Moving gear offers some the second slots to match with the second teeth portion close to the side of clutch.
Preferably, the low gear driving gear, high gear driving gear and input shaft are integrally formed.
The periphery of the clutch offers neck, and the shift fork is fastened in the neck.
The inwall of the casing offers the slide opening plugged for shifting fork bar, the shifting fork bar away from two-pass electromagnet one End is plugged in the slide opening.
The beneficial effects of the utility model are：Two-pass magnet control two of the present utility model keeps off fork type fluid drive When case is switched to top gear by two-pass magnet control bottom gear or top gear is switched to bottom gear, and is additionally arranged neutral, As gearshift transition, impulsive force when enabling gearshift smoothly to realize automatically, and eliminating gearshift, due to the sound of two-pass electromagnet Answer speed fast, greatly reduce pause and transition in rhythm or melody sense during gearshift, improve the comfortableness of driver and crew.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the schematic diagram that the utility model two-pass magnet control two keeps off fork type automatic gear-box；
Fig. 2 is the schematic side view that the utility model two-pass magnet control two keeps off fork type automatic gear-box；
Fig. 3 be in Fig. 2 A-A to schematic cross-sectional view；
Fig. 4 is that the clutch of the gear fork type automatic gear-box of the utility model two-pass magnet control two is located at bottom gear Schematic diagram；
Fig. 5 is that the clutch of the gear fork type automatic gear-box of the utility model two-pass magnet control two is located at neutral Schematic diagram；
Fig. 6 is that the clutch of the gear fork type automatic gear-box of the utility model two-pass magnet control two is located at top gear Schematic diagram.
In figure：1st, casing, 1-1, slide opening, 2, input shaft, 2-1, low gear driving gear, 2-2, high gear driving gear, 3, in Countershaft, 3-1, low gear driven gear, 3-11, the first slot, 3-2, high gear driven gear, 3-21, the second slot, 3-3, input master Moving gear, 4, clutch, 4-1, the first teeth portion, 4-2, the second teeth portion, 4-3, neck, 5, shifting fork bar, 5-1, the shaft shoulder, 6, shift fork, 7th, two-pass electromagnet, the 71, first electromagnet, the 72, second electromagnet, 73, housing, 7-1, coil, 7-2, dynamic iron core, 7-21, Extension, 7-3, spacer, 8, compression spring, 9, differential mechanism, 10, output driven gear.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram, Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model, direction With can be only used for helping the description to the feature in accompanying drawing with reference to (for example, upper and lower, left and right, etc.).Therefore, not limiting Detailed description below is used in property meaning processed, and is only asked by appended claims and its equivalents to limit The scope of the theme of protection.
Embodiment 1
As Figure 1-3, a kind of two-pass magnet control two keeps off fork type automatic gear-box, and the gearbox includes casing 1st, input shaft 2, jackshaft 3, clutch 4 and two-pass electromagnet 7, input shaft 2 and jackshaft 3 are rotatably arranged in casing 1；
Low gear driving gear 2-1 and high gear driving gear 2-2 are fixed with input shaft 2；
Low gear driven gear 3-1 and high gear driven gear 3-2, low gear driven gear 3-1 and height are set with jackshaft 3 Gear driven gear 3-2 is axially fixed on jackshaft 3, and low gear driving gear 2-1 is meshed composition with low gear driven gear 3-1 Low gear input gear pair, high gear driving gear 2-2 is meshed with high gear driven gear 3-2 forms high gear input gear pair；
Clutch 4 is set on jackshaft 3, and clutch 4 is radially fixed to be slidably connected on jackshaft 3 and with it, clutch Device 4 is located between low gear driven gear 3-1 and high gear driven gear 3-2, and it is driven that clutch 4 is moved to low gear on jackshaft 3 During gear 3-1, clutch 4 engages with low gear driven gear 3-1, the mobile paramount gear driven gear 3- on jackshaft 3 of clutch 4 When 2, clutch 4 engages with high gear driven gear 3-2；
Two-pass electromagnet 7 includes the first electromagnet 71 and the second electromagnet 72 for being respectively provided with dynamic iron core 7-2, the second electromagnetism The dynamic iron core 7-2 of iron 72 is located at the outside of the first electromagnet 71, and shifting fork bar 5 is connected with the dynamic iron core 7-2 of the first electromagnet 71, Shift fork 6 is fixed with shifting fork bar 5, shift fork 6 is stuck on clutch 4, has shaft shoulder 5-1 on shifting fork bar 5, shifting fork bar 5 is away from duplicate rows One end of journey electromagnet 7 is arranged with compression spring 8, and one end of compression spring 8 is against on shaft shoulder 5-1, and the other end is against casing 1 Inwall on.
Two-pass electromagnet 7 also includes housing 73, and the first electromagnet 71 and the second electromagnet 72 include coil 7-1, the The coil 7-1 of one electromagnet 71 and the second electromagnet 72 is arranged in housing 73, and coil 7-1 front end is provided with spacer 7-3, the spacer 7-3 of the coil 7-1 front ends of the second electromagnet 72 is between the first electromagnet 71 and the second electromagnet 72, and first The dynamic iron core 7-2 of the electromagnet 72 of electromagnet 71 and second is slidably arranged in coil 7-1 thereon respectively, and dynamic iron core 7-2's is interior Side is outward extended with extension, and dynamic iron core 7-2 extension 7-21 is fixedly connected with shifting fork bar 5 in the first electromagnet 71, when First electromagnet 71 and the second electromagnet 72 it is electric when, dynamic iron core 7-2 extension 7-21 and first in the second electromagnet 72 The dynamic iron core 7-2 outboard ends of electromagnet 71 have spacing, and now clutch 4 is located at bottom gear；When the dead electricity of the first electromagnet 71 And second electromagnet 72 it is electric when, dynamic iron core 7-2 extension 7-21 ends are against the first electromagnet 71 in the second electromagnet 72 Interior dynamic iron core 7-2 outboard end, now clutch 4 be in neutral；When 72 equal dead electricity of the first electromagnet 71 and the second electromagnet When, the dynamic iron core 7-2 outboard ends of the first electromagnet 71 recover to be against between the first electromagnet 71 and the second electromagnet 72 every Cover on 7-3；The dynamic iron core 7-2 that spacer 7-3 between first electromagnet 71 and the second ferroelectric can be limited in the second electromagnet 72 is moved Dynamic distance, the dynamic iron core 7-2 movements that the spacer 7-3 of the coil 7-1 front ends of the first electromagnet 71 is used to limit in it away from From.
Rotated in casing 1 and be provided with differential mechanism 9, output driven gear 10 is fixed with differential mechanism 9, is fixed on jackshaft 3 There are input driving gear 3-3, input driving gear 3-3 to form output gear wheel set with the output intermeshing of driven gear 10.
The velocity sensor for detecting the rotating speed of jackshaft 3 is provided with casing 1.
Clutch 4 is provided with some first teeth portion 4-1, low gear driven gear 3-1 close to low gear driven gear 3-1 side Some the first slot 3-11 to match with the first teeth portion 4-1 are offered close to the side of clutch 4.
Clutch 4 is provided with some second teeth portion 4-2, high gear driven gear 3-2 close to high gear driven gear 3-2 side Some the second slot 3-21 to match with the second teeth portion 4-2 are offered close to the side of clutch 4.
Low gear driving gear 2-1, high gear driving gear 2-2 and input shaft 2 are integrally formed.
The periphery of clutch 4 offers neck 4-3, and shift fork 6 is fastened in neck 4-3.
The inwall of casing 1 offers the slide opening 1-1 plugged for shifting fork bar 5, shifting fork bar 5 away from two-pass electromagnet 7 one End is plugged in slide opening 1-1.
When motor driven input shaft 2 rotates, the operation principle of above-mentioned two-gear automatic speed changing case is as follows：
When clutch 4 is located at bottom gear, clutch 4 engages with low gear driven gear 3-1；When clutch 4 is located at neutral When, low gear driven gear 3-1 and high gear driven gear 3-2 homogeneously dally to jackshaft 3；When clutch 4 is located at high gear, clutch Device 4 engages with high gear driven gear 3-2.
1), bottom gear (moment of torsion is big), as shown in figure 4, the first electromagnet 71 and the second electromagnet 72 electric, the first electromagnetism The dynamic iron core 7-2 of iron 71 promotes shifting fork bar 5, and shifting fork bar 5 is forced inwardly into bottom, compression spring 8 along the axis direction of jackshaft 3 Dynamic iron core 7-2 extension 7-21 is located at the dynamic iron core 7-2's of the first electromagnet 71 in compressive state, the second electromagnet 72 Outside simultaneously has at regular intervals, the first teeth portion 4-1 insertion low gear driven gears 3-1 of clutch 4 the first slot 3-11, this When low gear driven gear 3-1 drive jackshaft 3 to rotate by clutch 4, low gear input gear is secondary and output gear vice division chief is in work Make state, high gear input gear vice division chief runs in idling conditions, motor under the high rotating speed of high pulling torque；
2), neutral (transition state of bottom gear to top gear), as shown in figure 5, the dead electricity of the first electromagnet 71 and the second electricity Magnet 72 must be electric, and compression spring 8 promotes shifting fork bar 5 to be displaced outwardly under elastic force effect, until dynamic iron core in the second electromagnet 72 7-2 extension 7-21 ends prop up the end of dynamic iron core 7-2 in the first electromagnet 71, and compression spring 8 promotes clutch 4 To neutral, low gear input gear is secondary and high gear input gear pair is in idling conditions；
3), top gear (initial position of clutch 44), as shown in fig. 6, the first electromagnet 71 and the second electromagnet 72 lose When electric, the dynamic iron core 7-2 in the first electromagnet 71 loses the spacing of dynamic iron core 7-2 extension 7-21 in the second electromagnet 72, Spacing so as to cause shifting fork bar 5 to lose, shifting fork bar 5 continues to be displaced outwardly under the elastic force effect of compression spring 8, and shifting fork bar 5 is multiple Position, compression spring 8 drive the second teeth portion 4-2 of clutch 4 to insert high gear driven gear 3-2 the second slot 3-21, and high gear is defeated It is in running order to enter gear pair, low gear input gear vice division chief is in idling conditions.
First, bottom gear is cut height and kept off：During startup, control the first electromagnet 71 and the second electromagnet 72 it is electric, first is electric Shifting fork bar 5 is forced inwardly to bottom by the dynamic iron core 7-2 of magnet 71, and compression spring 8 is in compressive state, low gear input gear it is secondary and Output gear pair is in running order, and high gear input gear vice division chief runs in idling conditions, motor under the high rotating speed of high pulling torque；
When velocity pick-up detects that the rotating speed of jackshaft 3 meets gearshift condition, the dead electricity of the first electromagnet 71 and the second electricity Magnet 72 must be electric, and compression spring 8 promotes shifting fork bar 5, and clutch 44 is pushed to neutral by shifting fork bar 5 by shift fork 6, and low gear is defeated Enter gear pair and high gear input gear pair is in idling conditions；
When velocity sensor detects that the rotating speed of jackshaft 3 is consistent with high gear driven gear 3-2 rotating speed, meet gearshift Condition, velocity sensor will believe that conjunction feeds back to controller, control the first electromagnet 71 and the second electromagnet 72 to lose by controller Electricity, while compression spring 8 promotes shifting fork bar 5 to reset, while clutch 4 returns to initial position top gear, high gear input gear pair In running order, low gear input gear vice division chief is in idling conditions.
2nd, top gear cuts bottom gear：When velocity pick-up detects that the rotating speed of jackshaft 3 drops to gearshift condition, velocity pick-up Device will believe that conjunction feeds back to controller, control the dead electricity of the first electromagnet 71 and the second electromagnet 72 to obtain electric, the second electromagnetism by controller The dynamic iron core 7-2 of iron 72 inwardly promotes shifting fork bar 5 by the dynamic iron core 7-2 of the first electromagnet 71, and compresses compression spring 8, this When clutch 4 be in neutral, low gear input gear is secondary and high gear input gear pair is in idling conditions；Velocity pick-up detects When the rotating speed of jackshaft 3 drops to consistent with low gear driven gear 3-1 rotating speed, velocity sensor will believe that conjunction feeds back to controller, By controller control the first electromagnet 71 and the second electromagnet 72 it is electric, the dynamic iron core 7-2 of the first electromagnet 71 is by shifting fork bar 5 are forced inwardly to bottom, and the first teeth portion 4-1 of clutch 4 inserts low gear driven gear 3-1 the first slot 3-11, now low gear Driven gear 3-1 drives jackshaft 3 to rotate by clutch 4, and low gear input gear is secondary and output gear pair is in running order, High gear input gear vice division chief runs in idling conditions, motor under the high rotating speed of high pulling torque.
It is above-mentioned according to desirable embodiment of the present utility model for enlightenment, pass through above-mentioned description, relevant staff Various changes and amendments can be carried out in the range of without departing from this item utility model technological thought completely.This item is practical New technical scope is not limited to the content on specification, it is necessary to determines that its is technical according to right Scope.

Claims (9)

1. a kind of two-pass magnet control two keeps off fork type automatic gear-box, it is characterised in that：The gearbox includes casing (1), input shaft (2), jackshaft (3), clutch (4) and two-pass electromagnet (7), the input shaft (2) and jackshaft (3) are equal It is rotatably arranged in casing (1)；
Low gear driving gear (2-1) and high gear driving gear (2-2) are fixed with the input shaft (2)；
Axial restraint has low gear driven gear (3-1) and high gear driven gear (3-2), low gear driving tooth on the jackshaft (3) Wheel (2-1) is meshed with low gear driven gear (3-1) forms low gear input gear pair, high gear driving gear (2-2) and high gear from Moving gear (3-2), which is meshed, forms high gear input gear pair；
The clutch (4) is set on jackshaft (3), and clutch (4) is located at low gear driven gear (3-1) and high gear driven tooth Between taking turns (3-2), clutch (4) when being moved to low gear driven gear (3-1) on jackshaft (3), clutch (4) and low gear from Moving gear (3-1) engages, and clutch (4) is in mobile paramount gear driven gear (3-2) on jackshaft (3), clutch (4) and height Keep off driven gear (3-2) engagement；
The two-pass electromagnet (7) includes being respectively provided with the first electromagnet (71) and the second electromagnet (72) of dynamic iron core (7-2), The dynamic iron core (7-2) of second electromagnet (72) is located at the outside of the first electromagnet (71), the dynamic iron core (7- of the first electromagnet (71) 2) shifting fork bar (5) is connected with, shift fork (6) is fixed with the shifting fork bar (5), the shift fork (6) is stuck in the clutch (4) On, there is the shaft shoulder (5-1), the one end of the shifting fork bar (5) away from two-pass electromagnet (7) is arranged with the shifting fork bar (5) Compression spring (8), one end of the compression spring (8) are against on the shaft shoulder (5-1), and the other end is against on the inwall of casing (1).
2. two-pass magnet control two according to claim 1 keeps off fork type automatic gear-box, it is characterised in that：It is described Two-pass electromagnet (7) also includes housing (73), and first electromagnet (71) and the second electromagnet (72) include coil (7- 1), the coil (7-1) of the first electromagnet (71) and the second electromagnet (72) is arranged in housing (73), the coil (7-1) Front end be provided with spacer (7-3), the spacer (7-3) of the second electromagnet (72) coil (7-1) front end is located at the first electromagnetism Between iron (71) and the second electromagnet (72), the dynamic iron core (7-2) of the first electromagnet (71) and the second electromagnet (72) is slided respectively In the dynamic coil (7-1) being disposed thereon, the inner side of the dynamic iron core (7-2) is outward extended with extension, the first electromagnet (71) extension (7-21) of dynamic iron core (7-2) is fixedly connected with shifting fork bar (5) in.
3. two-pass magnet control two according to claim 1 keeps off fork type automatic gear-box, it is characterised in that：It is described Rotated in casing (1) and be provided with differential mechanism (9), output driven gear (10), the jackshaft are fixed with the differential mechanism (9) (3) input driving gear (3-3) is fixed with, the input driving gear (3-3) is intermeshed with output driven gear (10) Form output gear wheel set.
4. two-pass magnet control two according to claim 1 keeps off fork type automatic gear-box, it is characterised in that：It is described The velocity sensor for detecting jackshaft (3) rotating speed is provided with casing (1).
5. two-pass magnet control two according to claim 1 keeps off fork type automatic gear-box, it is characterised in that：It is described Clutch (4) is provided with some first teeth portion (4-1), the low gear driven gear close to the side of low gear driven gear (3-1) (3-1) offers some the first slots (3-11) to match with the first teeth portion (4-1) close to the side of clutch (4).
6. two-pass magnet control two according to claim 1 keeps off fork type automatic gear-box, it is characterised in that：It is described Clutch (4) is provided with some second teeth portion (4-2), the high gear driven gear close to the side of high gear driven gear (3-2) (3-2) offers some the second slots (3-21) to match with the second teeth portion (4-2) close to the side of clutch (4).
7. two-pass magnet control two according to claim 1 keeps off fork type automatic gear-box, it is characterised in that：It is described Low gear driving gear (2-1), high gear driving gear (2-2) and input shaft (2) are integrally formed.
8. two-pass magnet control two according to claim 1 keeps off fork type automatic gear-box, it is characterised in that：It is described The periphery of clutch (4) offers neck (4-3), and the shift fork (6) is fastened in the neck (4-3).
9. two-pass magnet control two according to claim 1 keeps off fork type automatic gear-box, it is characterised in that：It is described The inwall of casing (1) offers the slide opening (1-1) plugged for shifting fork bar (5), and the shifting fork bar (5) is away from two-pass electromagnet (7) one end is plugged in the slide opening (1-1).
CN201720723286.5U 2017-06-20 2017-06-20 Two-pass magnet control two keeps off fork type automatic gear-box Active CN207049315U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109751407A (en) * 2019-01-31 2019-05-14 湖南中成动力科技有限公司 A kind of Shift Strategy method
CN110341300A (en) * 2019-07-12 2019-10-18 安徽一诺青春工业设计有限公司 A kind of stationery printing device
CN110985664A (en) * 2019-12-16 2020-04-10 西安法士特汽车传动有限公司 Hydraulic gear shifting structure, gear shifting method and transmission
CN113236769A (en) * 2021-07-13 2021-08-10 江苏金光电机科技有限公司 Automatic speed changing gearbox

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109751407A (en) * 2019-01-31 2019-05-14 湖南中成动力科技有限公司 A kind of Shift Strategy method
CN109751407B (en) * 2019-01-31 2020-09-11 湖南中成动力科技有限公司 Gear decision method
CN110341300A (en) * 2019-07-12 2019-10-18 安徽一诺青春工业设计有限公司 A kind of stationery printing device
CN110985664A (en) * 2019-12-16 2020-04-10 西安法士特汽车传动有限公司 Hydraulic gear shifting structure, gear shifting method and transmission
CN113236769A (en) * 2021-07-13 2021-08-10 江苏金光电机科技有限公司 Automatic speed changing gearbox

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