CN208587461U - Gearbox and mobile platform - Google Patents
Gearbox and mobile platform Download PDFInfo
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- CN208587461U CN208587461U CN201821213709.XU CN201821213709U CN208587461U CN 208587461 U CN208587461 U CN 208587461U CN 201821213709 U CN201821213709 U CN 201821213709U CN 208587461 U CN208587461 U CN 208587461U
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Abstract
The utility model provides a kind of gearbox and mobile platform, is related to the technical field of mechanical driving device.Gearbox provided by the utility model includes: gear input group and two gear wheel reversing groups；Gear wheel reversing group includes that commutation group input shaft, commutation group output shaft, first gear, second gear, the first electromagnetic clutch and the second electromagnetic clutch, the second electromagnetic clutch are set between first gear and second gear；The commutation group input shaft of two gear wheel reversing groups is sequentially connected with gear input group.By gearbox provided by the utility model, the mobile chassis in the prior art driven by electromagnetic clutch gearbox is alleviated when being turned, and clamping stagnation easily occurs for existing chassis, the technical issues of to ground well damage.
Description
Technical field
The utility model relates to the technical fields of mechanical driving device, more particularly, to a kind of gearbox and mobile platform.
Background technique
Mobile robot drives the mobile chassis of moveable robot movement in every profession and trade using more and more extensive in recent years
It is developed rapidly；Crawler belt mobile chassis is one of mobile chassis important form, can be applied to gully, step, gentle slope
With the complex environments such as wet ooze soil.Wheel type mobile chassis is another important form in mobile chassis, very widely used.
There are mainly two types of drive forms respectively for crawler belt mobile chassis and wheel type mobile chassis: motor direct-drive and passing through gearbox drive
It is dynamic.
The crawler belt mobile chassis of motor direct-drive or wheel type mobile chassis adjust chassis by control motor speed
Movement speed, realize the advance, retrogressing and turning on chassis by changing the rotation direction of motor.Motor provides energy by battery
Source, the crawler belt mobile chassis of this form or wheel type mobile chassis need to match the battery of larger capacity, and there are volumes greatly, again
The disadvantages of amount weight and limited cruising ability；In addition, the driving force of motor direct-drive is smaller, so that the crawler belt of this form is mobile
Chassis and wheel type mobile chassis are difficult to be useful in the complex road surfaces such as the gentle hillside fields in the biggish wet ooze soil of resistance；
By gearbox drive crawler belt mobile chassis or wheel type mobile chassis can by motor or fuel engines come
Power is provided, gearbox therein is primarily present two kinds of structure types: tradition machinery gear-driving speed-variable case and electromagnetic clutch
Gearbox.The gear shift operation of tradition machinery gear-driving speed-variable case generally requires operation manual lever to complete, it is difficult to
It realizes and automatically controls.
Electromagnetic clutch gearbox can carry out Electronic control, it is easy to accomplish automatic remote control.Become by electromagnetic clutch
The crawler belt mobile chassis of fast case driving or wheel type mobile chassis, can be set by Electronic control electromagnetic clutch gearbox to realize
The functions such as standby speed change, advance, retrogressing and turning, part agricultural and the shoe that this form is used in forestry mechanically moving equipment
Band mobile chassis or wheel type mobile chassis.But the crawler belt in the prior art driven by electromagnetic clutch gearbox moves
When being turned, there are chassis, and clamping stagnation easily occurs, and asks the technology of ground well damage for dynamic chassis or wheel type mobile chassis
Topic.
Utility model content
The purpose of this utility model is to provide a kind of gearbox and mobile platform, in the prior art pass through electricity to alleviate
When being turned, clamping stagnation easily occurs the mobile chassis of magnet clutch gearbox driving for existing chassis, damages ground tight
The technical problem of weight.
The utility model first aspect provides a kind of gearbox, and gearbox provided by the utility model includes: gear input
Group and two gear wheel reversing groups；Gear wheel reversing group include commutation group input shaft, commutation group output shaft, first gear, second gear,
First electromagnetic clutch and the second electromagnetic clutch, commutation group output shaft and commutation group input shaft are passed by the first electromagnetic clutch
Dynamic connection；First gear is installed on commutation group input shaft, and second gear is installed on commutation group output shaft, first gear and the second tooth
Wheel transmission connection, and from first gear to second gear, the rotation direction phase of the rotation direction and first gear of second gear
Instead；Second electromagnetic clutch is set between first gear and second gear；The commutation group input shaft of two gear wheel reversing groups is equal
It is sequentially connected with gear input group.
Further, gear wheel reversing group further includes third gear, the 4th gear, the first jackshaft, the second jackshaft and
One intermediate gear；Third gear is installed on the first jackshaft, and the 4th gear is installed on the second jackshaft；First jackshaft and second
It is connected between jackshaft by the second electromagnetic clutch；Also, the 4th gear is engaged with second gear, the first intermediate gear difference
It is engaged with third gear and first gear；Alternatively, third gear is engaged with first gear, the first intermediate gear respectively with the 4th tooth
Wheel and second gear engagement.
Further, gear wheel reversing group further includes the 5th gear and third electromagnetic clutch, and the 5th gear is installed on commutation
Group input shaft, the 5th gear engagement of two gear wheel reversing groups；Commutation group input shaft is defeated by third electromagnetic clutch and gear
Enter a group transmission connection.
Further, gear wheel reversing group further includes the 4th electromagnetic clutch；Commutation group input shaft includes the first shaft part and the
Two shaft parts, the 5th gear are installed on the first shaft part, and first gear is installed on the second shaft part；Lead between first shaft part and the second shaft part
Cross the transmission connection of the 4th electromagnetic clutch.
Further, gear input group include the first input shaft, the first output shaft and the second output shaft, the first output shaft and
Second output shaft is sequentially connected with the first input shaft respectively, and the transmission ratio of the first input shaft and the first output shaft is greater than the first input
The transmission ratio of axis and the second output shaft；First output shaft and the second output shaft pass through third electromagnetic clutch and two gears respectively
The commutation group input shaft of commutation group is sequentially connected.
Further, gear input group further includes third jackshaft, passes through tooth between the first input shaft and third jackshaft
The transmission connection of wheel group, and the transmission ratio of the first input shaft and third jackshaft is greater than 1；Third jackshaft is exported with first respectively
Axis and the transmission connection of the second output shaft；And the transmission ratio of third jackshaft and the first output shaft is greater than third jackshaft and second
The transmission ratio of output shaft.
Further, gear input group further includes the 6th gear and the 7th gear, and the 6th gear is installed on third jackshaft,
7th gear is installed on the first output shaft, and the 6th gear is connect with the 7th gear drive, and the 6th gear and the 7th gear
Transmission ratio is greater than 1.
Further, the second intermediate gear and third intermediate gear are provided between the 6th gear and the 7th gear；6th
Gear is engaged with the second intermediate gear, and the second intermediate gear is engaged with third intermediate gear, third intermediate gear and the 7th gear
Engagement.
Further, gearbox provided by the utility model includes shell, and gear input group and two gear wheel reversing groups are equal
It is set in shell；Permanent magnet modular cartridge is provided in shell.
The utility model second aspect provides a kind of mobile platform, and mobile platform provided by the utility model includes: platform
Ontology, the first rolling element, the second rolling element and above-mentioned gearbox；First rolling element and the second rolling element are respectively arranged at platform
The two sides of ontology, and be sequentially connected respectively with two commutation group output shafts in gearbox.
Gearbox and mobile platform provided by the utility model, are related to the technical field of mechanical driving device.This is practical new
The gearbox that type provides includes: gear input group and two gear wheel reversing groups；Gear wheel reversing group includes commutation group input shaft, commutation
Group output shaft, first gear, second gear, the first electromagnetic clutch and the second electromagnetic clutch, commutation group output shaft and commutation
Group input shaft is sequentially connected by the first electromagnetic clutch；First gear is installed on commutation group input shaft, and second gear is installed on
Commutation group output shaft, first gear and second gear are sequentially connected, and from first gear to second gear, and second gear turns
Dynamic direction is opposite with the rotation direction of first gear；Second electromagnetic clutch is set between first gear and second gear；Two
The commutation group input shaft of a gear wheel reversing group is sequentially connected with gear input group.By gearbox application provided by the utility model
In mobile chassis, the defeated enrolled input terminal of gear can be connect with fuel engines, make mobile chassis that can obtain biggish driving force,
Suitable for biggish complex road surfaces of resistances such as the gentle hillside fields in wet ooze soil, and there can be longer continuation of the journey.
In gear wheel reversing group, commutation group input shaft and commutation group output shaft can realize that transmission connects by the first electromagnetic clutch
It connects, under this transmission connection form, commutation group output shaft is identical as the rotation direction of commutation group input shaft；Commutation group input shaft
It can also be realized and be sequentially connected by first gear, second gear and the second electromagnetic clutch with commutation group output shaft, in this biography
Under dynamic type of attachment, commutation group output shaft is opposite with the rotation direction of commutation group input shaft.In this way, the first electricity of control can be passed through
The clutch of the clutch of magnet clutch and the second electromagnetic clutch, switch gear wheel reversing group in two kinds of transmission connection forms,
To control the rotation direction of commutation group output shaft.
Using the mobile chassis of gearbox provided by the utility model, the rolling elements of two sides can respectively with two gear wheel reversings
Commutation group in group exports axis connection；Two gear wheel reversing groups are sequentially connected with gear input group, and power source and gear input
Group connection.It can be by controlling clutch and the second electromagnetic clutch of the first electromagnetic clutch in two gear wheel reversing groups respectively
Clutch, come control respectively two sides rolling element start and stop and rotation direction, realize in same direction rotation or along different directions
Rotation.When rolling element when two sides rotates in same direction, mobile chassis can advance or retreat；When the rolling element of two sides is not along
When equidirectional rotation, mobile chassis can turn to two sides different directions.
The general two sides of mobile chassis in the prior art are connected separately with rolling element；Rolling element can be crawler belt or vehicle
Wheel.On-position is generally in realize turning by the unilateral rolling element of control, surface wear is big over the ground；When positioned at soft terrain
When, pit easily is formed on ground during turning, causes mobile chassis to fall into pit, causes chassis clamping stagnation.It is practical using this
The mobile chassis of the gearbox of novel offer can realize turning along different directions rotation by controlling the rolling element of two sides, this
Sample, in turning, the rolling element of two sides is in rotary state, can reduce the abrasion to ground, reduces the risk of chassis clamping stagnation；
It is existing to alleviate the mobile chassis in the prior art driven by electromagnetic clutch gearbox when being turned
Clamping stagnation easily occurs for chassis, the technical issues of to ground well damage.
Possessed advantage is identical compared with the existing technology with above-mentioned gearbox for the mobile platform, no longer superfluous herein
It states.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, be cited below particularly the utility model compared with
Good embodiment, and cooperate appended attached drawing, it is described below in detail.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the first embodiment of gearbox provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of second of embodiment of gearbox provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the third embodiment of gearbox provided by the embodiment of the utility model.
Icon: 011- first gear；012- second gear；013- third gear；The 4th gear of 014-；The 5th tooth of 015-
Wheel；The 6th gear of 016-；The 7th gear of 017-；018- eighth gear；The 9th gear of 019-；021- commutation group input shaft；0211-
First shaft part；The second shaft part of 0212-；022- commutation group output shaft；The first jackshaft of 0231-；The second jackshaft of 0232-；0233-
Third jackshaft；The first output shaft of 0241-；The second output shaft of 0242-；The first input shaft of 0243-；The first electromagnetic clutch of 031-
Device；The second electromagnetic clutch of 032-；033- third electromagnetic clutch；The 4th electromagnetic clutch of 034-；The first intermediate gear of 041-；
The second intermediate gear of 042-；043- third intermediate gear；1- first gear commutation group；2- second gear commutation group；3- gear is defeated
Enter group.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model embodiment first aspect provides a kind of gearbox, please refers to Fig. 1-Fig. 3, the utility model embodiment
The gearbox of offer includes: gear input group 3 and two gear wheel reversing groups；Gear wheel reversing group includes commutation group input shaft 021, changes
To group output shaft 022, first gear 011, second gear 012, the first electromagnetic clutch 031 and the second electromagnetic clutch 032, change
It is sequentially connected to group output shaft 022 and commutation group input shaft 021 by the first electromagnetic clutch 031；First gear 011 is installed on
Commutation group input shaft 021, second gear 012 are installed on commutation group output shaft 022, and first gear 011 and second gear 012 are driven
Connection, and from first gear 011 to second gear 012, the rotation of the rotation direction and first gear 011 of second gear 012
It is contrary；Second electromagnetic clutch 032 is set between first gear 011 and second gear 012；Two gear wheel reversing groups
Commutation group input shaft 021 is sequentially connected with gear input group 3.
Specifically, gearbox provided by the embodiment of the utility model is applied to crawler type or wheel type mobile chassis, tooth
The input terminal of wheel input group 3 can be connect with fuel engines, make crawler type or wheel type mobile chassis that can obtain biggish driving
Power is suitable for the biggish complex road surfaces of resistances such as the gentle hillside fields in wet ooze soil, and can have longer continuation of the journey.
In gear wheel reversing group, commutation group input shaft 021 and commutation group output shaft 022 can pass through the first electromagnetic clutch 031
Realize transmission connection, under this transmission connection form, the rotation direction of commutation group output shaft 022 and commutation group input shaft 021
It is identical；Commutation group input shaft 021 and commutation group output shaft 022 can also pass through first gear 011, second gear 012 and the second electricity
Magnet clutch 032 realizes transmission connection, under this transmission connection form, commutation group output shaft 022 and commutation group input shaft 021
Rotation direction it is opposite.In this way, can be by controlling clutch and second electromagnetic clutch 032 of the first electromagnetic clutch 031
Clutch, switch gear wheel reversing group in two kinds of transmission connection forms, to control the rotation side of commutation group output shaft 022
To.
Using the mobile chassis of gearbox provided by the embodiment of the utility model, the rolling elements of two sides can respectively with two teeth
The commutation group output shaft 022 of rotation Xiang Zuzhong connects；Two gear wheel reversing groups are sequentially connected with gear input group 3, power source
It is connect with gear input group 3.It can be by controlling the clutch and of the first electromagnetic clutch 031 in two gear wheel reversing groups respectively
The clutch of two electromagnetic clutch 032, come control respectively two sides rolling element start and stop and rotation direction, realization turn in same direction
It moves or is rotated along different directions.When rolling element when two sides rotates in same direction, mobile chassis can advance or retreat；When
When the rolling element of two sides is rotated along different directions, mobile chassis can turn to two sides different directions.
Mobile chassis in the prior art generally be in on-position by controlling unilateral rolling element and realizes and turn, right
Ground surface wear is big；When being located at soft terrain, pit easily is formed on ground during turning, mobile chassis is caused to fall into pit
In, cause chassis clamping stagnation.The rolling of control two sides can be passed through using the mobile chassis of gearbox provided by the embodiment of the utility model
Kinetoplast realizes turning along different directions rotation, in this way, the rolling element of two sides is in rotary state, can reduce in turning
Abrasion to ground reduces the risk that chassis clamping stagnation occurs；Furthermore it is also possible to reduce the turning radius of rolling element mobile chassis,
Mobile chassis is set to be convenient for carrying out turning and operation in narrow space.
Specifically, Fig. 1 is please referred to, two gear wheel reversing groups in gearbox provided by the embodiment of the utility model are respectively
First gear commutation group 1 and second gear commutation group 2.
In each gear wheel reversing group, one end of commutation group input shaft 021 is connect with gear input group 3, the other end and first
One end of electromagnetic clutch 031 connects, and the other end of the first electromagnetic clutch 031 is connect with commutation group output shaft 022, commutation group
Output shaft 022 can be sequentially connected with the side rolling element of mobile chassis.When commutation group input shaft 021 passes through the first electromagnetic clutch
031 is sequentially connected with commutation group output shaft 022, the rotation direction of commutation group output shaft 022 and the rotation of commutation group input shaft 021
Direction is consistent.
In each gear wheel reversing group, in the case where commutation group input shaft 021 rotates, when the first electromagnetic clutch 031 closes
It closes, when the second electromagnetic clutch 032 disconnects, the rotation direction of commutation group output shaft 022 and the rotation side of commutation group input shaft 021
To identical；When the first electromagnetic clutch 031 disconnects, and the second electromagnetic clutch 032 is closed, the rotation of commutation group output shaft 022
Direction is opposite with the rotation direction of commutation group input shaft 021.
First gear commutation group 1 and second gear commutation group 2 are connect by gear input group 3 with the same power source；And
In the first electromagnetic clutch 031 and the second electromagnetic clutch 032 and second gear commutation group 2 in first gear commutation group 1
First electromagnetic clutch 031 and the second electromagnetic clutch 032 can be with independent controls, in this way, connecting with first gear commutation group 1
The rotation direction of rolling element and the rotation direction for the rolling element being connect with second gear commutation group 2 can independently control, mention
The high control performance and the degree of automation of mobile chassis optimizes mobile chassis and turn etc. the mobility of movement；And
And due to using electromagnetic clutch, practicable long-range control is applicable to remote control intelligent independent robot.
As another embodiment, gearbox provided by the embodiment of the utility model can also be applied to robot, hand
In the mechanisms such as arm, class arm.
Further, gear wheel reversing group further includes third gear 013, the 4th gear 014, the first jackshaft 0231, second
Jackshaft 0232 and the first intermediate gear 041；Third gear 013 is installed on the first jackshaft 0231, and the 4th gear 014 is installed on
Second jackshaft 0232；It is connected between first jackshaft 0231 and the second jackshaft 0232 by the second electromagnetic clutch 032；And
And the 4th gear 014 engaged with second gear 012, the first intermediate gear 041 respectively with third gear 013 and first gear 011
Engagement；Alternatively, third gear 013 is engaged with first gear 011, the first intermediate gear 041 respectively with the 4th gear 014 and second
Gear 012 engages.
Specifically, Fig. 1 is please referred to, in each gear wheel reversing group, the first intermediate gear 041 is set to 011 He of first gear
Between third gear 013.It is engaged by first gear 011 with the first intermediate gear 041 and third gear 013 and the first center tooth
041 engagement is taken turns, commutation group input shaft 021 is realized to be sequentially connected with the first jackshaft 0231, and turn of the first jackshaft 0231
Dynamic direction is identical as the rotation direction of commutation group input shaft 021.
One end of first jackshaft 0231 is connect with one end of the second electromagnetic clutch 032, the second electromagnetic clutch 032
The other end is connect with the second jackshaft 0232.By controlling the second electromagnetic clutch 032, the first jackshaft 0231 and the can control
Two jackshafts 0232 are connected and disconnected from.When the second electromagnetic clutch 032 closure, the second jackshaft 0232, the first jackshaft
0231 rotation direction and the rotation direction of commutation group input shaft 021 are all the same.
It is engaged by the 4th gear 014 with second gear 012, realizes the second jackshaft 0232 and commutation group output shaft 022
Transmission connection, and the rotation direction of the rotation direction of commutation group output shaft 022 and the second jackshaft 0232 is on the contrary, i.e. commutation group
The rotation direction of output shaft 022 is opposite with the rotation direction of commutation group input shaft 021.
In this way, when the first electromagnetic clutch 031 disconnects and the second electromagnetic clutch 032 is closed, it can be achieved that commutation group is defeated
The rotation direction of shaft 022 is opposite with the rotation direction of commutation group input shaft 021.
As another embodiment, referring to figure 2., in each gear wheel reversing group, the first intermediate gear 041 is set to
Between four gears 014 and second gear 012, the first intermediate gear 041 is engaged with the 4th gear 014 and second gear 012 respectively；
Third gear 013 is directly engaged with first gear 011.
Further, gear wheel reversing group further includes the 5th gear 015 and third electromagnetic clutch 033, the 5th gear 015 peace
Loaded on commutation group input shaft 021, the 5th gear 015 engagement of two gear wheel reversing groups；Commutation group input shaft 021 passes through third electricity
Magnet clutch 033 and gear input group 3 are sequentially connected.
Specifically, the number of teeth of the 5th gear 015 in first gear commutation group 1 is equal to the in second gear commutation group 2
The number of teeth of five gears 015.
Specifically, the 5th gear 015 in first gear commutation group 1 and the 5th gear 015 in second gear commutation group 2
Engagement can make the commutation group input shaft 021 in first gear commutation group 1 and the commutation group input shaft in second gear commutation group 2
021 rotates synchronously, and rotation direction is opposite.
Specifically, the third in the third electromagnetic clutch 033 in first gear commutation group 1 and second gear commutation group 2
Electromagnetic clutch 033 can be independently controlled.When gearbox provided by the embodiment of the utility model operates, each gear wheel reversing group
In third electromagnetic clutch 033 there are three kinds of clutch states: the third electromagnetic clutch 033 in first gear commutation group 1 closes
It closes, and the third electromagnetic clutch 033 in second gear commutation group 2 disconnects；Third electromagnetic clutch in first gear commutation group 1
Device 033 disconnects, and the third electromagnetic clutch 033 in second gear commutation group 2 is closed；Third in first gear commutation group 1
Third electromagnetic clutch 033 in electromagnetic clutch 033 and second gear commutation group 2 disconnects.
Further, gear wheel reversing group further includes the 4th electromagnetic clutch 034；Commutation group input shaft 021 includes first axle
Section 0211 and the second shaft part 0212, the 5th gear 015 are installed on the first shaft part 0211, and first gear 011 is installed on the second shaft part
0212；It is sequentially connected between first shaft part 0211 and the second shaft part 0212 by the 4th electromagnetic clutch 034.
Specifically, Fig. 1 is please referred to, in each gear wheel reversing group, one end of the first shaft part 0211 and the 4th electromagnetic clutch
034 one end connection, the other end of the 4th electromagnetic clutch 034 are connect with one end of the second shaft part 0212.Pass through control the 4th
Electromagnetic clutch 034 is, it can be achieved that being connected and disconnected to the first shaft part 0211 and the second shaft part 0212.
Further, gear input group 3 includes the first input shaft 0243, the first output shaft 0241 and the second output shaft
0242, the first output shaft 0241 and the second output shaft 0242 are sequentially connected with the first input shaft 0243 respectively, the first input shaft
0243 and first output shaft 0241 transmission ratio be greater than the first input shaft 0243 and the second output shaft 0242 transmission ratio；First is defeated
Shaft 0241 and the second output shaft 0242 are inputted by the commutation group of third electromagnetic clutch 033 and two gear wheel reversing groups respectively
Axis 021 is sequentially connected.
Specifically, by gear input group 3, the revolving speed of the commutation group input shaft 021 in first gear commutation group 1 is adjusted
With the revolving speed of the commutation group input shaft 021 in second gear commutation group 2, high speed or two kinds of velocities of rotation of low speed are realized.
Fig. 1 is please referred to, the first output shaft 0241 is connect with the commutation group input shaft 021 in first gear commutation group 1, and second
Output shaft 0242 is connect with the commutation group input shaft 021 in second gear commutation group 2.
Specifically, third electromagnetism when gearbox provided by the embodiment of the utility model operates, in each gear wheel reversing group
Clutch 033 is as follows there are three kinds of clutch states:
Third electromagnetic clutch 033 in first gear commutation group 1 is closed, and the third electricity in second gear commutation group 2
Magnet clutch 033 disconnects, and the kinetic energy of the first input shaft 0243 is passed in first gear commutation group 1 by the first output shaft 0241
Commutation group input shaft 021, the commutation in commutation group input shaft 021 and second gear commutation group 2 in first gear commutation group 1
Group input shaft 021 is to slowly run.
Third electromagnetic clutch 033 in first gear commutation group 1 disconnects, and the third electricity in second gear commutation group 2
Magnet clutch 033 is closed, and the kinetic energy of the first input shaft 0243 is passed in second gear commutation group 2 by the second output shaft 0242
Commutation group input shaft 021, the commutation in commutation group input shaft 021 and second gear commutation group 2 in first gear commutation group 1
Group input shaft 021 is with high-speed rotation.
The third electromagnetic clutch in third electromagnetic clutch 033 and second gear commutation group 2 in first gear commutation group 1
Device 033 disconnects, the commutation group input in the commutation group input shaft 021 and second gear commutation group 2 in first gear commutation group 1
Axis 021 stops operating.
In some embodiments, the first input shaft 0243 is connect with fuel engines, fuel engines have continuation of the journey long and
The big advantage of driving force can make to be applicable to more fields using the mobile chassis of gearbox provided by the embodiment of the utility model
It closes.
In some embodiments, the first input shaft 0243 is connected to motor.
Further, gear input group 3 further includes third jackshaft 0233, the first input shaft 0243 and third jackshaft
It is sequentially connected between 0233 by gear set, and the transmission ratio of the first input shaft 0243 and third jackshaft 0233 is greater than 1；The
Three jackshafts 0233 are sequentially connected with the first output shaft 0241 and the second output shaft 0242 respectively；And 0233 He of third jackshaft
The transmission ratio of first output shaft 0241 is greater than the transmission ratio of third jackshaft 0233 and the second output shaft 0242.
Specifically, Fig. 1 is please referred to, eighth gear 018 is connected on the first input shaft 0243, is connected on third jackshaft 0233
It is connected to the 9th gear 019, eighth gear 018 is engaged with the 9th gear 019, and the number of teeth of eighth gear 018 is less than the 9th tooth
The number of teeth of wheel 019, so that revolving speed of the revolving speed of third jackshaft 0233 less than the first input shaft 0243, to reduce each gear
The velocity of rotation of commutation group output shaft 022 in commutation group increases output torque, is conducive to mention using the utility model embodiment
The mobile chassis of the gearbox of confession is in complex road surface operation.
It in some embodiments, can be according to the wheelbase between the first input shaft 0243 and third jackshaft 0233, the 8th
Intermediate gear is set among gear 018 and the 9th gear 019, and eighth gear 018 and the 9th gear 019 are respectively and among this
Gear engagement.
Further, gear input group 3 further includes the 6th gear 016 and the 7th gear 017, and the 6th gear 016 is installed on
Third jackshaft 0233, the 7th gear 017 are installed on the first output shaft 0241, and the 6th gear 016 and the transmission of the 7th gear 017 connect
It connects, and the transmission ratio of the 6th gear 016 and the 7th gear 017 is greater than 1.
Specifically, Fig. 1 is please referred to, one end of third jackshaft 0233 is connect with one end of the second output shaft 0242, and second
The revolving speed of output shaft 0242 is equal to the revolving speed of third jackshaft 0233.
6th gear 016 and the 7th gear 017 are sequentially connected, and realize that third jackshaft 0233 and the first output shaft 0241 pass
Dynamic connection, and the revolving speed of the first output shaft 0241 is less than the revolving speed of third jackshaft 0233, i.e. and the first output shaft 0241 turns
Revolving speed of the speed less than the second output shaft 0242.
Further, it is provided among the second intermediate gear 042 and third between the 6th gear 016 and the 7th gear 017
Gear 043；6th gear 016 is engaged with the second intermediate gear 042, and the second intermediate gear 042 is nibbled with third intermediate gear 043
It closes, third intermediate gear 043 is engaged with the 7th gear 017.
Specifically, the number of teeth of the 6th gear 016 less than the 7th gear 017 the number of teeth so that third jackshaft 0,233 first
0241 deceleration transmission of output shaft.
Wheelbase between third jackshaft 0233 and the first output shaft 0241 is larger, by the way that the second intermediate gear 042 is arranged
With third intermediate gear 043, the size of the 6th gear 016 and the size of the 7th gear 017 can be reduced.
Gearbox provided by the embodiment of the utility model, by the third electromagnetic clutch 033 in first gear commutation group 1
Third electromagnetic clutch 033 in closure and second gear commutation group 2 disconnects, the third being switched in first gear commutation group 1
When electromagnetic clutch 033 disconnects and the third electromagnetic clutch 033 in second gear commutation group 2 is closed, first gear commutation group 1
In commutation group output shaft 022 rotation direction and second gear commutation group 2 in commutation group output shaft 022 rotation direction it is equal
It does not change, it may be assumed that when switch between high speed and low speed, turn of the commutation group output shaft 022 in each gear wheel reversing group
Dynamic direction does not change, and impact when can reduce rotation direction switching between driving member is convenient for rate conversion.
In some embodiments, the 6th gear 016 and the 7th gear 017 directly engage.
In some embodiments, the first input shaft 0243 rotates forward, the third electromagnetic clutch in first gear commutation group 1
Device 033 is closed, and the third electromagnetic clutch 033 in second gear commutation group 2 disconnects, and application is provided by the embodiment of the utility model
The motion state of the mobile chassis of gearbox includes various states listed in Table.
Further, gearbox provided by the embodiment of the utility model includes shell, and gear input group 3 and two gears change
It is all set in shell to group；Permanent magnet modular cartridge is provided in shell.
Specifically, permanent magnet modular cartridge is connected in shell, the adsorbable intracorporal clast of shell, reduces clast to each movement
The interference of part is conducive to the even running and service life of gearbox provided by the embodiment of the utility model.
The utility model embodiment second aspect provides a kind of mobile platform, and movement provided by the embodiment of the utility model is flat
Platform includes: platform body, the first rolling element, the second rolling element and above-mentioned gearbox；First rolling element and the second rolling element point
It is not set to the two sides of platform body, and is sequentially connected respectively with two commutation group output shafts 022 in gearbox.
Specifically, the commutation group output shaft 022 in first gear commutation group 1 is connect with the first rolling element, and second gear is changed
Commutation group output shaft 022 into group 2 is connect with the second rolling element.In the case where single power source provides power, by this
Gearbox can control the start and stop of the first rolling element and the start and stop and rotation direction of rotation direction and the second rolling element respectively, improve
The mobility of mobile platform provided by the embodiment of the utility model, facilitates that it is suitable for a variety of occasions.
In some embodiments, between the first rolling element and the commutation group output shaft 022 of gearbox and the second rolling element with
Brake apparatus is respectively arranged between the commutation group output shaft 022 of gearbox.
In some embodiments, brake apparatus includes brake.
In some embodiments, mobile platform provided by the embodiment of the utility model is tracked mobile platform, and first rolls
Body and the second rolling element are crawler belt.
In some embodiments, mobile platform provided by the embodiment of the utility model is wheel moving platform, and first rolls
Body and the second rolling element are wheel group.
In some embodiments, mobile platform provided by the embodiment of the utility model is Combined movable platform, the first rolling
Kinetoplast is wheel group, and the second rolling element is crawler belt.
Finally, it should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment
What is stressed is all differences from other embodiments, and same and similar part cross-reference is between each embodiment
It can；The above various embodiments is only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned each implementation
The utility model is described in detail in example, those skilled in the art should understand that: it still can be to aforementioned
Technical solution documented by each embodiment is modified, or equivalent substitution of some or all of the technical features；
And these are modified or replaceed, the model for various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (10)
1. a kind of gearbox characterized by comprising gear input group and two gear wheel reversing groups；
The gear wheel reversing group include commutation group input shaft, commutation group output shaft, first gear, second gear, the first electromagnetism from
Clutch and the second electromagnetic clutch, the commutation group output shaft and the commutation group input shaft pass through first electromagnetic clutch
Transmission connection；
The first gear is installed on the commutation group input shaft, and the second gear is installed on the commutation group output shaft, institute
It states first gear and the second gear is sequentially connected, and from the first gear to the second gear, second tooth
The rotation direction of wheel is opposite with the rotation direction of the first gear；Second electromagnetic clutch is set to the first gear
Between the second gear；
The commutation group input shaft of two gear wheel reversing groups is sequentially connected with the gear input group.
2. gearbox according to claim 1, which is characterized in that the gear wheel reversing group further includes third gear, the 4th
Gear, the first jackshaft, the second jackshaft and the first intermediate gear；
The third gear is installed on first jackshaft, and the 4th gear is installed on second jackshaft；
It is connected between first jackshaft and second jackshaft by second electromagnetic clutch；
Also, the 4th gear is engaged with the second gear, first intermediate gear respectively with the third gear and
The first gear engagement；
Alternatively, the third gear is engaged with the first gear, first intermediate gear respectively with the 4th gear and
The second gear engagement.
3. gearbox according to claim 1, which is characterized in that the gear wheel reversing group further includes the 5th gear and third
Electromagnetic clutch, the 5th gear are installed on the commutation group input shaft, and the 5th gear of two gear wheel reversing groups is nibbled
It closes；
The commutation group input shaft is sequentially connected by the third electromagnetic clutch and the gear input group.
4. gearbox according to claim 3, which is characterized in that the gear wheel reversing group further includes the 4th electromagnetic clutch
Device；The commutation group input shaft includes the first shaft part and the second shaft part, and the 5th gear is installed on first shaft part, described
First gear is installed on second shaft part；
It is sequentially connected between first shaft part and second shaft part by the 4th electromagnetic clutch.
5. gearbox according to claim 3, which is characterized in that the gear input group includes the first input shaft, first
Output shaft and the second output shaft, first output shaft and second output shaft are driven with first input shaft respectively to be connected
It connects, the transmission ratio of first input shaft and first output shaft is greater than first input shaft and second output shaft
Transmission ratio；
First output shaft and second output shaft are changed by the third electromagnetic clutch and two gears respectively
It is sequentially connected to the commutation group input shaft of group.
6. gearbox according to claim 5, which is characterized in that the gear input group further includes third jackshaft, institute
It states and is sequentially connected between the first input shaft and the third jackshaft by gear set, and first input shaft and described the
The transmission ratio of three jackshafts is greater than 1；
The third jackshaft is sequentially connected with first output shaft and second output shaft respectively；And in the third
Between the transmission ratio of axis and first output shaft be greater than the third jackshaft and second output shaft transmission ratio.
7. gearbox according to claim 6, which is characterized in that the gear input group further includes the 6th gear and the 7th
Gear, the 6th gear are installed on the third jackshaft, and the 7th gear is installed on first output shaft, and described
Six gears are connect with the 7th gear drive, and the transmission ratio of the 6th gear and the 7th gear is greater than 1.
8. gearbox according to claim 7, which is characterized in that be arranged between the 6th gear and the 7th gear
There are the second intermediate gear and third intermediate gear；
6th gear is engaged with second intermediate gear, and second intermediate gear is nibbled with the third intermediate gear
It closes, the third intermediate gear is engaged with the 7th gear.
9. gearbox according to claim 1-8, which is characterized in that the gearbox includes shell, the tooth
Wheel input group and two gear wheel reversing groups are all set in the shell；Permanent magnet modular cartridge is provided in the shell.
10. a kind of mobile platform characterized by comprising platform body, the first rolling element, the second rolling element and as right is wanted
Seek the described in any item gearboxes of 1-9；
First rolling element and second rolling element are respectively arranged at the two sides of the platform body, and respectively with it is described
Two commutation group output shafts transmission connection in gearbox.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213709.XU CN208587461U (en) | 2018-07-27 | 2018-07-27 | Gearbox and mobile platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213709.XU CN208587461U (en) | 2018-07-27 | 2018-07-27 | Gearbox and mobile platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757852A (en) * | 2018-07-27 | 2018-11-06 | 重庆西玛福科技有限公司 | gearbox and mobile platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757852A (en) * | 2018-07-27 | 2018-11-06 | 重庆西玛福科技有限公司 | gearbox and mobile platform |
| CN108757852B (en) * | 2018-07-27 | 2023-09-22 | 重庆西玛福科技有限公司 | Gearbox and mobile platform |
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