CN208263976U - Dual wheels synchronous speed change driving device - Google Patents
Dual wheels synchronous speed change driving device Download PDFInfo
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- CN208263976U CN208263976U CN201820242376.7U CN201820242376U CN208263976U CN 208263976 U CN208263976 U CN 208263976U CN 201820242376 U CN201820242376 U CN 201820242376U CN 208263976 U CN208263976 U CN 208263976U
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Abstract
For driving the dual wheels synchronous speed change driving device of two wheels simultaneously, it is symmetrical arranged the first drive mechanism for wheel and the second drive mechanism for wheel on chassis overhang, for respectively driving two wheels；Speed drive control controls the first and second speed changers and switches clutch simultaneously, realizes the gear ratio switching simultaneously of the first and second drive mechanism for wheel.The synchronous speed change of both sides drive mechanism for wheel switches, and simplifies speed change switching device, improves consistency；Dual-range transmission and the cascade of the first primary transmission mechanism, are furthermore achieved big gear ratio；Deceleration mechanism optimizes entire transmission chain structure, improves transmission efficiency.
Description
Technical field
The utility model relates to wheel speed-changing driving device more particularly to dual wheels synchronous speed change driving device.
Background technique
Wheel speed-changing driving device in the prior art needs to adapt to the needs of different output torques according to difference
Operating condition export different torques.
In two-wheel speed-changing driving device in the prior art, gear and gear is respectively set in usual two wheels
Control device carries out independent speed change switching to two-wheel, and speed-change control device is complicated, needs two-wheel some while switching speed change
The occasion of ratio, both sides speed change switching device need Collaborative Control, increase the complexity of control device, and the synchronization of two-wheel switching
Property it is poor, reliability is low, be not easy to ensure the effectively work simultaneously of two sets of gears.
Utility model content
In place of avoiding above-mentioned the deficiencies in the prior art, and propose a kind of energy
Realize the dual wheels synchronous speed change driving device of two-wheel while switch speed ratio.
The technical solution that the utility model solves above-mentioned technical problem is a kind of dual wheels synchronous speed change driving device, is used for
Two wheels, including chassis overhang are driven simultaneously；It is symmetrical arranged the first drive mechanism for wheel on chassis overhang and the second wheel drives
Motivation structure, for respectively driving two wheels；First drive mechanism for wheel includes the first speed changer, the second drive mechanism for wheel packet
Include the second speed changer；It is provided with speed drive control on the chassis overhang, described in speed drive control control
First speed changer and the second speed changer while switch speed ratio.
First speed changer includes the first clutch and second clutch for the switching of the first speed changer output power speed change；
The clutch state mutual exclusion of first clutch and second clutch；Second speed changer includes the change for the second speed changer output power
The third clutch and the 4th clutch of speed switching；The clutch state mutual exclusion of third clutch and the 4th clutch.
The speed drive control includes the speed change switch motor for providing drive control power, speed change switching control
Axis, the first control device for controlling first clutch and second clutch and for controlling third clutch and the 4th clutch
The second control device of device；The speed change switching control axis that rotational power is obtained from speed change switch motor, for connecting the first control
Device and second control device.
The first screw rod and the second screw rod, the spiral shell being arranged on the first screw rod and the second screw rod are provided on speed change switching control axis
Line is contrary；First control device includes promotion arm on first, pushing part, the first lower push push under arm and first on first
Portion；Pushing part is connected with first clutch on first, for controlling first clutch engagement or separation；First lower pushing part and the
Two clutches connection, for controlling second clutch engagement or separation；One end of arm is pushed to be socketed by feed screw nut on first
On the first screw rod；Pushing part on the other end and first of arm is pushed to be fixedly connected on first；First lower one end for pushing arm is logical
Feed screw nut is crossed to be socketed on the first screw rod；The first lower other end for pushing arm and the first lower pushing part are fixedly connected；Second control
Device processed includes promotion arm on second, pushing part, the second lower promotion arm, the second lower pushing part on second；On second pushing part and
Third clutch connection, for controlling the engagement of third clutch or separation；Second lower pushing part is connected with the 4th clutch, is used for
Control the engagement of the 4th clutch or separation；One end of arm is pushed to be socketed on the second screw rod by feed screw nut on second；Second
Pushing part is fixedly connected on the upper other end and second for pushing arm；Second lower one end for pushing arm is socketed in the by feed screw nut
On two screw rods；The second lower other end for pushing arm and the second lower pushing part are fixedly connected.
It is driven between speed change switch motor and speed change switching control axis by belt wheel transmission mechanism；The belt wheel transmission mechanism packet
Include the first speed change switching belt wheel, the second speed change switching belt wheel and speed change switching synchronous belt；First speed change switching belt wheel is fixed on change
On the power output shaft of fast switch motor；First speed change switching belt wheel and the second speed change switch belt wheel and switch synchronous belt by speed change
Transmission connection；Second speed change switching belt wheel is fixed on speed change switching control axis, for driving speed change switching control axis to rotate.
First speed changer includes the first variable-speed shaft by being arranged on chassis overhang；First level-one speed change small pulley is fixed
On the first transmission shaft；First level-one speed change small pulley is connected by the first level-one transmission synchronization band and the first level-one speed change big belt wheel
Connect transmission；First level-one speed change big belt wheel is socketed on the first variable-speed shaft by bearing；First two stage speed change small pulley is fixed on
On first variable-speed shaft；First two stage speed change small pulley is connected by the first two stage speed change synchronous belt and the first two stage speed change big belt wheel
Transmission；First two stage speed change big belt wheel is socketed on the first transmission shaft by bearing；It is fixed in first two stage speed change big belt wheel
First power output shaft is provided with the first driving pulley on first power output shaft, and first driving pulley is for driving vehicle
Wheel；Second speed changer includes by the way that the second variable-speed shaft is arranged on chassis overhang；Second level-one speed change small pulley is fixed on second
On transmission shaft；Second level-one speed change small pulley is passed by the second level-one transmission synchronization band and the connection of the second level-one speed change big belt wheel
It is dynamic；Second level-one speed change big belt wheel is socketed on the second variable-speed shaft by bearing；Second two stage speed change small pulley is fixed on second
On variable-speed shaft；Second two stage speed change small pulley is passed by the second two stage speed change synchronous belt and the connection of the second two stage speed change big belt wheel
It is dynamic；Second two stage speed change big belt wheel is socketed on second driving shaft by bearing；Is fixed in second two stage speed change big belt wheel
Two power output shafts are provided with the second driving pulley on second power output shaft, and second driving pulley is for driving wheel.
First clutch includes first clutch operand and first clutch initiative part；Second clutch include second from
Clutch operand and second clutch initiative part；Third clutch includes third clutch operand and third clutch active
Portion；4th clutch includes the 4th clutch operand and the 4th clutch initiative part；First clutch and third clutch
Clutch state is consistent, and the clutch state of second clutch and the 4th clutch is consistent；Speed drive control passes through the first control
The collaboration of device and second control device processed, while first clutch and third clutch being chosen to engage or separate, switch simultaneously
The variator drive ratio of first drive mechanism for wheel and the second drive mechanism for wheel.
Second clutch initiative part and the first variable-speed shaft are slidably connected；Second clutch operand and the first two stage speed change are big
Belt wheel is fixedly connected；First clutch operand and the first two stage speed change big belt wheel are fixedly connected；First clutch initiative part and
The connection of first propeller shaft slip；4th clutch initiative part and the second variable-speed shaft are slidably connected；4th clutch operand and
Two level-one speed change big belt wheels are fixedly connected；Third clutch operand and the second two stage speed change big belt wheel are fixedly connected；Third from
Clutch initiative part and second driving shaft are slidably connected.
First primary transmission mechanism includes the first primary transmission small pulley, and the first primary transmission small pulley passes through first
Primary transmission synchronous belt and the connection transmission of the first primary transmission big belt wheel；First main drive motor passes through first shaft coupling and first
The connection transmission of primary transmission small pulley；First primary transmission big belt wheel is socketed on the first transmission shaft by bearing；Described second
Primary transmission mechanism includes the second primary transmission small pulley, the second primary transmission small pulley by the second primary transmission synchronous belt and
The connection transmission of second primary transmission big belt wheel；Second main drive motor is connected by second shaft coupling and the second primary transmission small pulley
Connect transmission；Second primary transmission big belt wheel is socketed on second driving shaft by bearing.
Compared with the existing technology compared with the beneficial effect of the utility model dual wheels synchronous speed change driving device is: a change
Fast switch motor can switch two speed changers simultaneously, realize the synchronous speed change switching of both sides drive mechanism for wheel, simplify speed change
Switching device, and improve the consistency of both sides drive mechanism for wheel.
Detailed description of the invention
Fig. 1 the utility model relates to one of dual wheels synchronous speed change driving device preferred embodiment schematic top plan view；Figure
In show two be equipped with synchronous belt wheels；
Fig. 2 be the utility model relates to the axonometric projection of one of dual wheels synchronous speed change driving device preferred embodiment show
It is intended to；Two wheels for being equipped with synchronous belt are shown in figure；
Fig. 3 be the utility model the utility model relates to one of dual wheels synchronous speed change driving device preferred embodiment
Axonometric projection schematic diagram；In the figure, chassis overhang and wheel have been concealed.
Specific embodiment
The embodiments of the present invention is further described below in conjunction with each attached drawing.
As shown in Figures 1 to 3 in a kind of embodiment of dual wheels synchronous speed change driving device, including chassis overhang 400；Chassis
The first drive mechanism for wheel 700 and the second drive mechanism for wheel 800 are symmetrical arranged on bracket 400, for respectively driving two vehicles
Wheel；First drive mechanism for wheel 700 includes the first main drive motor 710, the first primary transmission machine for being fixed on chassis overhang 400
Structure 730, the first transmission shaft 740 and the first speed changer 750 for single wheel driving speed change；First main drive motor 710 is defeated
Outlet is connected with the input terminal of the first primary transmission mechanism 730, realizes transmission；The output end of first primary transmission mechanism 730 with
And first speed changer 750 and the connection of the first transmission shaft 740, realize transmission；Second drive mechanism for wheel 800 includes being fixed on bottom
Second main drive motor 810 of disc carrier 400, the second primary transmission mechanism 830, second driving shaft 840 and it is used for single wheel
Drive the second speed changer 850 of speed change；The input terminal of second main drive motor, 810 output end and the second primary transmission mechanism 830
Transmission is realized in connection；The output end of second primary transmission mechanism 830 and the second speed changer 850 connect with second driving shaft 840
It connects, realizes transmission；Speed drive control 900, the first speed changer 750 and the second speed changer are provided on chassis overhang 400
850 connect with speed drive control 900, the control of speed drive control 900 while the first wheel driving machine of switching
The gear ratio of structure 700 and the second drive mechanism for wheel 800.
In embodiment as shown in Figures 1 to 3, the first main drive motor 710 is passed by first shaft coupling 720 and the first level-one
The input terminal of motivation structure 730 connects, and realizes transmission；Second main drive motor 810 is passed by second shaft coupling 820 and the second level-one
The input terminal of motivation structure 830 connects；First transmission shaft 740 is connected by bearing and the first transmission shaft fixing support 4740, makes the
One transmission shaft 740 can be rotated around its own axis；First transmission shaft fixing support 4740 is fixedly connected with chassis overhang 400；The
Two transmission shafts 840 are connected by bearing and the fixed bracket 4840 of second driving shaft, enable second driving shaft 840 around its own axis
Rotation；The fixed bracket 4840 of second driving shaft is fixedly connected with chassis overhang 400.First main drive motor 710 is main by first
The fixed bracket 4710 of driving motor is fixedly connected with chassis overhang 400；Second main drive motor 810 passes through the second main drive motor
Fixed bracket 4810 is fixedly connected with chassis overhang 400.
As shown in Figure 2 in a kind of embodiment of dual wheels synchronous speed change driving device, the first wheel stand 181 and the second vehicle
Wheel support 182 is each attached to chassis overhang 400；First transmission shaft 740 can also be connected by bearing and the first wheel stand 181
It connects, the first transmission shaft 740 is enable to rotate around its own axis；Second driving shaft 840 can also pass through bearing and the second wheel branch
Frame 182, second driving shaft 840 can be rotated around its own axis.
In embodiment as shown in Figures 1 to 3, the first speed changer 750 includes for the switching of 750 speed change of the first speed changer
One clutch 7581 and second clutch 7582；The clutch state mutual exclusion of first clutch 7581 and second clutch 7582；The
Two speed changers 850 include the third clutch 8581 and the 4th clutch 8582 for the switching of 850 speed change of the second speed changer；Third
The clutch state mutual exclusion of clutch 8581 and the 4th clutch 8582.
In embodiment as shown in Figures 1 to 3, the speed drive control 900 includes providing drive control power
Speed change switch motor 910, speed change switching control axis 920, first control device 970 and second control device 980；Speed change switching control
Axis 920 processed, for obtaining rotational power from speed change switch motor 910, speed change switching control axis 920 is also used to connect the first control
Device 970 and second control device 980 processed；The first screw rod and the second screw rod are provided on speed change switching control axis 920.
In embodiment as shown in Figures 1 to 3, first control device 970 includes pushing to push on arm 971, first on first
Portion 972, first is lower to push arm 973 and the first lower pushing part 974；Pushing part 972 and first clutch 7581 connect on first, use
In the engagement of control first clutch 7581 or separation；First lower pushing part 974 and second clutch 7582 connect, for controlling the
The engagement of two clutches 7582 or separation.
In embodiment as shown in Figures 1 to 3, one end of arm 971 is pushed to be socketed in first by feed screw nut on first
It is pushed on bar or on first and is provided with wire rod thread and the cooperation of the first screw rod on the inner wall of arm 971；Arm 971 is pushed on first
Pushing part 972 is fixedly connected on the other end and first；First lower one end for pushing arm 973 is socketed in first by feed screw nut
Wire rod thread and the cooperation of the first screw rod are provided on bar or on the first lower inner wall for pushing arm 973；First lower promotion arm 973
The other end and the first lower pushing part 974 are fixedly connected.
In embodiment as shown in Figures 1 to 3, the first lower push pushes arm 971 to be also possible to one one on arm 973 and first
A hollow structure is arranged in the component of body among it, and arm 971 is pushed on arm 973 and first for connecting the first lower push；At this
Wire rod thread is set on setting feed screw nut or its inner wall among hollow structure；The hollow structure is socketed on the first screw rod, is led to
The rotation variation of speed change switching control axis 920 is become the first lower push and pushed on arm 973 and first by the cooperation for crossing wire rod thread
The linear motion axial along speed change switching control axis 920 of arm 971.
In embodiment as shown in Figures 1 to 3, second control device 980 includes pushing to push on arm 981, second on second
Portion 982, second is lower to push the lower pushing part 983 of arm 983, second；Pushing part 982 and third clutch 8581 connect on second, use
In the engagement of control third clutch 8581 or separation；Second lower pushing part 983 and the connection of the 4th clutch 8582, for controlling the
The engagement of four clutches 8582 or separation.
In the embodiment as shown in Fig. 2 to 3, one end of arm 981 is pushed to be socketed in second by feed screw nut on second
On bar, or the wire rod thread by being arranged on inner wall and the connection of the second screw rod；On the other end and second for pushing arm 981 on second
Pushing part 982 is fixedly connected；Second lower one end for pushing arm 983 is socketed on the second screw rod by feed screw nut；It is pushed away under second
The other end of swing arm 983 is fixedly connected with pushing part 984 under second clutch.
In embodiment as shown in Figures 1 to 3, the second lower push pushes arm 981 to be also possible to one one on arm 983 and second
A hollow structure is arranged in the component of body among it, and arm 981 is pushed on arm 983 and second for connecting the second lower push；At this
Feed screw nut is set among hollow structure, which connects with the second screw rod, or the wire rod thread by being arranged on inner wall
It is connected with the second screw rod, the rotation variation of speed change switching control axis 920 is become into the second lower push and pushes arm on arm 983 and second
981 linear motions axial along speed change switching control axis 920.
Since the hand of spiral of the first screw rod and the second screw rod is opposite；When speed change switch motor 910 rotates, cut by speed change
It changes control shaft 920 while the clutch on both sides being driven to cooperate；First lower pushing part 974 pushes second clutch 7582 to engage
While, the second lower pushing part 984 pushes the engagement of the 4th clutch 8582；Pushing part 972 pushes first clutch on first
While 7581 engagement, pushing part 982 pushes the engagement of the 4th clutch 8582 on second；Realize the first speed changer 750 and second
The speed change switching simultaneously of speed changer 850.
In embodiment as shown in Figures 1 to 3, pass through belt wheel between speed change switch motor 910 and speed change switching control axis 920
Transmission mechanism 930 is driven；Speed change switch motor 910 and the speed change switch motor bracket 4910 that chassis overhang 400 is arranged in are fixed
Connection, the belt wheel transmission mechanism 930 include that the first speed change switching belt wheel 931, the second speed change switching belt wheel 933 and speed change switching are same
Walk band 932；First speed change switching belt wheel 931 is fixed on the power output shaft of speed change switch motor 910；First speed change switches band
Wheel 931 and the second speed change switching belt wheel 933 switch synchronous belt 932 by speed change and are sequentially connected；It is solid that second speed change switches belt wheel 933
It is scheduled on speed change switching control axis 920, for driving speed change switching control axis 920 to rotate.
In embodiment as shown in Figures 1 to 3, the first speed changer 750 includes the first variable-speed shaft 751, and the first variable-speed shaft 751 is logical
It crosses bearing to be arranged on the upper first speed change bracing strut 4751 of chassis overhang 400, the first variable-speed shaft 751 is enable to turn around it from axis
It is dynamic；First level-one speed change small pulley 752 is fixed on the first transmission shaft 740；First level-one speed change small pulley 752 passes through the 1st
Grade transmission synchronization band 753 and the connection transmission of the first level-one speed change big belt wheel 754；First level-one speed change big belt wheel 754 passes through bearing
It is socketed on the first variable-speed shaft 751；First two stage speed change small pulley 755 is fixed on the first variable-speed shaft 751；First two stage speed change
Small pulley 755 passes through the first two stage speed change synchronous belt 756 and the connection transmission of the first two stage speed change big belt wheel 757；First second level becomes
Fast big belt wheel 757 is socketed on the first transmission shaft 740 by bearing；754 to be fixed with first dynamic in first two stage speed change big belt wheel
Power output shaft is provided with the first driving pulley 551 on first power output shaft, and first driving pulley 551 is for driving vehicle
Wheel.
In embodiment as shown in Figures 1 to 3, the second speed changer 850 includes the second variable-speed shaft 851, and the second variable-speed shaft 851 is logical
It crosses bearing to be arranged on the second speed change bracing strut 4851 of chassis overhang 400, the second variable-speed shaft 851 is enable to rotate around it from axis；
Second level-one speed change small pulley 852 is fixed on second driving shaft 840；Second level-one speed change small pulley 852 passes through the second level-one
Transmission synchronization band 853 and the connection transmission of the second level-one speed change big belt wheel 854；Second level-one speed change big belt wheel 854 passes through bearing holder (housing, cover)
It connects on the second variable-speed shaft 851；Second two stage speed change small pulley 855 is fixed on the second variable-speed shaft 851；Second two stage speed change is small
Belt wheel 855 passes through the second two stage speed change synchronous belt 856 and the connection transmission of the second two stage speed change big belt wheel 857；Second two stage speed change
Big belt wheel 857 is socketed on second driving shaft 840 by bearing；The second power is fixed in second two stage speed change big belt wheel 857
Output shaft is provided with the second driving pulley on second power output shaft, and second driving pulley is for driving wheel.
In embodiment as shown in Figures 1 to 3, first clutch 7581 includes first clutch operand 75811 and first
Clutch initiative part 75812；Second clutch 7582 includes second clutch operand 75821 and second clutch initiative part
75822；Third clutch 8581 includes third clutch operand 85811 and third clutch initiative part 85812；4th clutch
Device 8582 includes the 4th clutch operand 85821 and the 4th clutch initiative part 85822；First clutch 7581 and third from
The clutch state of clutch 8581 is consistent, and second clutch 7582 is consistent with the clutch state of the 4th clutch 8582；Variable speed drives
Control device 900 passes through the collaboration of first control device 970 and second control device 980, while choosing first clutch 7581
It engages or separates with third clutch 8581, while switching the first drive mechanism for wheel 700 and the second drive mechanism for wheel 800
Variator drive ratio.
In embodiment as shown in Figures 1 to 3, second clutch initiative part 75822 and the first variable-speed shaft 751 are slidably connected,
Second clutch initiative part 75822 the spline such as trapezoid spline or ball spline and first variable-speed shaft 751 small by drive gap
Realization is slidably connected；In second clutch discrete state, second clutch initiative part 75822 can be on the first variable-speed shaft 751
It slides axially, the first variable-speed shaft 751 can also be followed to rotate；Second clutch operand 75821 and the big band of the first two stage speed change
Wheel 757 is fixedly connected；In second clutch engagement state, first clutch will drive the rotation of the first variable-speed shaft 751.First from
Clutch operand 75811 is fixedly connected with the first two stage speed change big belt wheel 757；First clutch initiative part 75812 and first passes
Moving axis 740 is slidably connected；First clutch initiative part 75812 the spline such as trapezoid spline or ball spline small by drive gap
It is slidably connected with the realization of the first variable-speed shaft 751；In first clutch discrete state, first clutch initiative part 75812 can be
It slides axially on first transmission shaft 740, the first transmission shaft 740 can also be followed to rotate；In first clutch engagement state
One clutch can follow the first transmission shaft 740 to rotate.
4th clutch initiative part 85822 and the second variable-speed shaft 851 are slidably connected, and the 4th clutch initiative part 85822 is logical
It crosses the small spline of drive gap such as trapezoid spline or ball spline and the realization of the second variable-speed shaft 851 is slidably connected；In the 4th clutch
When device discrete state, the 4th clutch initiative part 85822 can slide axially on the second variable-speed shaft 851, can also follow second
Variable-speed shaft 851 rotates；4th clutch operand 85821 is fixedly connected with the second level-one speed change big belt wheel 854；In the 4th clutch
The 4th clutch initiative part 85822 will drive the rotation of the second variable-speed shaft 851 when device engagement state；Third clutch operand
85811 are fixedly connected with the second two stage speed change big belt wheel 857；Third clutch initiative part 85812 and second driving shaft 840 slide
Connection；Third clutch initiative part 85812 passes through drive gap small spline such as trapezoid spline or ball spline and the second transmission
The realization of axis 840 is slidably connected；In third clutch separation state, third clutch initiative part 85812 can be in second driving shaft
It slides axially on 840, second driving shaft 840 can also be followed to rotate；Third clutch operand 85811 and the second two stage speed change
Big belt wheel 857 is fixedly connected；In third clutched state, third clutch initiative part 85812 can follow second driving shaft
840 rotations.
In embodiment as shown in Figures 1 to 3, first primary transmission mechanism 730 includes the first primary transmission small pulley
731, the first primary transmission small pulley 731 is connected by the first primary transmission synchronous belt 732 and the first primary transmission big belt wheel 733
Transmission；First main drive motor 710 passes through first shaft coupling 720 and the connection transmission of the first primary transmission small pulley 731；One one
Grade transmission big belt wheel 733 is socketed on the first transmission shaft 740 by bearing；Second primary transmission mechanism 830 includes second
Primary transmission small pulley 831, the second primary transmission small pulley 831 are passed by the second primary transmission synchronous belt 832 and the second level-one
The dynamic connection of big belt wheel 833 transmission；Second main drive motor 810 passes through second shaft coupling 820 and the second primary transmission small pulley 831
Connection transmission；Second primary transmission big belt wheel 833 is socketed on second driving shaft 840 by bearing.
When first clutch 7581 separates, and second clutch 7582 engages, third clutch 8581 is engaged, the 4th clutch
Device 8582 separates, and the first speed changer 750 and the second speed changer 850 all work in big gear ratio state；First vehicle in the case of this kind
Actuation 700 and the gear ratio of the second drive mechanism for wheel 800 are respectively as follows:
With。
When first clutch 7581 engages, and second clutch 7582 separates, third clutch 8581 is separated, the 4th clutch
Device 8582 engages, and the first speed changer 750 and the second speed changer 850 are all not engaged in speed change, and the first wheel drives in the case of this kind
Mechanism 700 and the gear ratio of the second drive mechanism for wheel 800 are respectively as follows:With。
Compared with the existing technology compared with the further beneficial effect of the utility model dual wheels synchronous speed change driving device is:
1, it because the speed changer of setting is dual-range transmission, in addition being cascaded with the first primary transmission mechanism, therefore may be implemented very big
Gear ratio；2, speed changer and primary transmission mechanism all use synchronous belt mode and are driven, and do not adopt after driving motor
With speed reducer, no backlash, without backlash；3, deceleration mechanism is not set separately in the transmission mechanism of dual wheels synchronous speed change driving device,
Entire transmission chain structure is optimized, transmission efficiency is improved.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by utility model specification and accompanying drawing content, it is applied directly or indirectly in it
His relevant technical field, is also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of dual wheels synchronous speed change driving device is used for while driving two wheels (100), which is characterized in that the bottom of including
Disc carrier (400)；
It is symmetrical arranged the first drive mechanism for wheel (700) and the second drive mechanism for wheel (800) on chassis overhang (400), is used for
Respectively drive two wheels；First drive mechanism for wheel (700) includes the first speed changer (750), the second drive mechanism for wheel
(800) include the second speed changer (850)；Speed drive control (900), the change are provided on the chassis overhang (400)
Fast drive dynamic control device (900) controls first speed changer (750) and the second speed changer (850) switch speed ratio simultaneously.
2. dual wheels synchronous speed change driving device according to claim 1, it is characterised in that:
First speed changer (750) includes the first clutch (7581) for the switching of the first speed changer (750) output power speed change
With second clutch (7582)；The clutch state mutual exclusion of first clutch (7581) and second clutch (7582)；
Second speed changer (850) includes the third clutch switched for the speed change of the second speed changer (850) output power
(8581) and the 4th clutch (8582)；The clutch state mutual exclusion of third clutch (8581) and the 4th clutch (8582).
3. dual wheels synchronous speed change driving device according to claim 2, it is characterised in that:
The speed drive control (900) includes the speed change switch motor (910) for providing drive control power, speed change switching
Control shaft (920), the first control device (970) for controlling first clutch and second clutch and for control third from
The second control device (980) of clutch and the 4th clutch；The speed change switching of rotational power is obtained from speed change switch motor (910)
Control shaft (920), for connecting first control device (970) and second control device (980).
4. dual wheels synchronous speed change driving device according to claim 3, it is characterised in that:
It is provided with the first screw rod and the second screw rod on speed change switching control axis (920), is arranged on the first screw rod and the second screw rod
Hand of spiral is opposite；
First control device (970) includes promotion arm (971) on first, pushing part (972), the first lower promotion arm on first
(973) and under first pushing part (974)；
Pushing part (972) and first clutch (7581) connection on first, for controlling first clutch (7581) engagement or dividing
From；First lower pushing part (974) and second clutch (7582) connection, for controlling second clutch (7582) engagement or dividing
From；
The one end of arm (971) is pushed to be socketed on the first screw rod by feed screw nut on first；The another of arm (971) is pushed on first
One end is fixedly connected with pushing part on first (972)；First lower one end for pushing arm (973) is socketed in first by feed screw nut
On screw rod；The first lower other end for pushing arm (973) and first lower pushing part (974) are fixedly connected；
Second control device (980) includes promotion arm (981) on second, pushing part (982), the second lower promotion arm on second
(983), second lower pushing part (984)；
Pushing part (982) and third clutch (8581) connection on second, for controlling third clutch (8581) engagement or dividing
From；Pushing part (984) and the connection of the 4th clutch (8582) under second, for controlling the engagement of the 4th clutch (8582) or dividing
From；
The one end of arm (981) is pushed to be socketed on the second screw rod by feed screw nut on second；The another of arm (981) is pushed on second
One end is fixedly connected with pushing part on second (982)；Second lower one end for pushing arm (983) is socketed in second by feed screw nut
On screw rod；The second lower other end for pushing arm (983) and second lower pushing part (984) are fixedly connected.
5. dual wheels synchronous speed change driving device according to claim 3, it is characterised in that:
It is driven between speed change switch motor (910) and speed change switching control axis (920) by belt wheel transmission mechanism (930)；
The belt wheel transmission mechanism (930) includes the first speed change switching belt wheel (931), the second speed change switching belt wheel (933) and speed change
Switch synchronous belt (932)；First speed change switching belt wheel (931) is fixed on the power output shaft of speed change switch motor (910)；The
One speed change switches belt wheel (931) and the second speed change switching belt wheel (933) and passes through speed change switching synchronous belt (932) transmission connection；The
Two speed changes switching belt wheel (933) is fixed on speed change switching control axis (920), for driving speed change switching control axis (920) to turn
It is dynamic.
6. dual wheels synchronous speed change driving device according to claim 2, it is characterised in that:
First speed changer (750) includes the first variable-speed shaft (751) by being arranged on chassis overhang (400)；First level-one becomes
Fast small pulley (752) is fixed on the first transmission shaft (740)；First level-one speed change small pulley (752) passes through the first level-one speed change
Synchronous belt (753) and the connection transmission of the first level-one speed change big belt wheel (754)；First level-one speed change big belt wheel (754) passes through bearing
It is socketed on the first variable-speed shaft (751)；First two stage speed change small pulley (755) is fixed on the first variable-speed shaft (751)；One or two
Grade speed change small pulley (755) is passed by the first two stage speed change synchronous belt (756) and the connection of the first two stage speed change big belt wheel (757)
It is dynamic；First two stage speed change big belt wheel (757) is socketed on the first transmission shaft (740) by bearing；First two stage speed change big belt wheel
(757) it is fixed with the first power output shaft on, the first driving pulley (551) are provided on first power output shaft, this first
Driving pulley (551) is for driving wheel；
Second speed changer (850) includes by the way that the second variable-speed shaft (851) is arranged on chassis overhang (400)；Second level-one speed change
Small pulley (852) is fixed on second driving shaft (840)；Second level-one speed change small pulley (852) passes through the second level-one speed-changing same
Step band (853) and the connection transmission of the second level-one speed change big belt wheel (854)；Second level-one speed change big belt wheel (854) passes through bearing holder (housing, cover)
It connects on the second variable-speed shaft (851)；Second two stage speed change small pulley (855) is fixed on the second variable-speed shaft (851)；Second second level
Speed change small pulley (855) passes through the second two stage speed change synchronous belt (856) and the connection transmission of the second two stage speed change big belt wheel (857)；
Second two stage speed change big belt wheel (857) is socketed on second driving shaft (840) by bearing；Second two stage speed change big belt wheel
(857) it is fixed with the second power output shaft on, is provided with the second driving pulley on second power output shaft, the second driving band
Wheel is for driving wheel.
7. dual wheels synchronous speed change driving device according to claim 6, it is characterised in that:
First clutch (7581) includes first clutch operand (75811) and first clutch initiative part (75812)；Second
Clutch (7582) includes second clutch operand (75821) and second clutch initiative part (75822)；
Third clutch (8581) includes third clutch operand (85811) and third clutch initiative part (85812)；4th
Clutch (8582) includes the 4th clutch operand (85821) and the 4th clutch initiative part (85822)；
First clutch (7581) is consistent with the clutch state of third clutch (8581), second clutch (7582) and the 4th from
The clutch state of clutch (8582) is consistent；
Speed drive control (900) passes through the collaboration of first control device (970) and second control device (980), simultaneously
It chooses first clutch (7581) and third clutch (8581) to engage or separate, while switching the first drive mechanism for wheel
(700) and the variator drive ratio of the second drive mechanism for wheel (800).
8. dual wheels synchronous speed change driving device according to claim 7, it is characterised in that:
Second clutch initiative part (75822) and the first variable-speed shaft (751) are slidably connected；Second clutch operand (75821)
It is fixedly connected with the first two stage speed change big belt wheel (757)；
First clutch operand (75811) is fixedly connected with the first two stage speed change big belt wheel (757)；First clutch initiative part
(75812) it is slidably connected with the first transmission shaft (740)；
4th clutch initiative part (85822) and the second variable-speed shaft (851) are slidably connected；4th clutch operand (85821)
It is fixedly connected with the second level-one speed change big belt wheel (854)；
Third clutch operand (85811) is fixedly connected with the second two stage speed change big belt wheel (857)；Third clutch initiative part
(85812) it is slidably connected with second driving shaft (840).
9. dual wheels synchronous speed change driving device according to claim 8, it is characterised in that:
First primary transmission mechanism (730) includes the first primary transmission small pulley (731), the first primary transmission small pulley
(731) pass through the first primary transmission synchronous belt (732) and the connection transmission of the first primary transmission big belt wheel (733)；First main driving
Motor (710) passes through first shaft coupling (720) and the connection transmission of the first primary transmission small pulley (731)；First primary transmission is big
Belt wheel (733) is socketed on the first transmission shaft (740) by bearing；
Second primary transmission mechanism (830) includes the second primary transmission small pulley (831), the second primary transmission small pulley
(831) pass through the second primary transmission synchronous belt (832) and the connection transmission of the second primary transmission big belt wheel (833)；Second main driving
Motor (810) passes through second shaft coupling (820) and the connection transmission of the second primary transmission small pulley (831)；Second primary transmission is big
Belt wheel (833) is socketed on second driving shaft (840) by bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820242376.7U CN208263976U (en) | 2018-02-11 | 2018-02-11 | Dual wheels synchronous speed change driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820242376.7U CN208263976U (en) | 2018-02-11 | 2018-02-11 | Dual wheels synchronous speed change driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208263976U true CN208263976U (en) | 2018-12-21 |
Family
ID=64675295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820242376.7U Active CN208263976U (en) | 2018-02-11 | 2018-02-11 | Dual wheels synchronous speed change driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208263976U (en) |
-
2018
- 2018-02-11 CN CN201820242376.7U patent/CN208263976U/en active Active
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Effective date of registration: 20210819 Address after: 415106 Guanxi Town, Dingcheng District, Changde City, Hunan Province Patentee after: Hunan candela Innovation Technology Co.,Ltd. Address before: 20 / F, sannuo wisdom building, 3012 Binhai Avenue, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: CANDELA (SHENZHEN) TECHNOLOGY INNOVATION Co.,Ltd. |
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