CN207089544U - A kind of double while three-wheels driven of back wheel driving gear and trailing wheel in tricycle - Google Patents
A kind of double while three-wheels driven of back wheel driving gear and trailing wheel in tricycle Download PDFInfo
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- CN207089544U CN207089544U CN201720990173.1U CN201720990173U CN207089544U CN 207089544 U CN207089544 U CN 207089544U CN 201720990173 U CN201720990173 U CN 201720990173U CN 207089544 U CN207089544 U CN 207089544U
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- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 230000008878 coupling Effects 0.000 claims abstract description 19
- 238000010168 coupling process Methods 0.000 claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 239000002360 explosive Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
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Abstract
It the utility model is related to a kind of back wheel driving gear of side tricycle, including a differential mechanism, a speed changer and a Hooks coupling universal coupling；The differential mechanism is installed on the main car frame of side three-wheel, its have be used to being connected while the input shaft of three turbines, for being connected while the main trailing wheel of three-wheel main drive shaft and the output shaft that is connected with one end of the everything shaft coupling；A box of tricks is provided with the differential mechanism, the input shaft, main drive shaft and output shaft can be connected by the box of tricks, and then realize and main drive shaft and output shaft differential are driven；The speed changer is used to be fixedly installed in the frame of side of side three-wheel, and it has one to be used for and rear wheel drive be connected in three-wheel side drive shaft and a power transmission shaft being connected with the everything shaft coupling other end；The main drive shaft is different to the input shaft gearratio from the side drive shaft, so make main trailing wheel in three-wheel from while the different driving force of trailing wheel generation.
Description
Technical field
The utility model belongs to transit equipment technical field, and in particular to a kind of in the double while three-wheels driven of three-wheel repacking trailing wheel
The back wheel driving gear of car and possess the double while three-wheels driven of trailing wheel in the back wheel driving gear of tricycle.
Background technology
Motor cycle combination, abbreviation side tricycle, also referred to as eccentric pedicab or sidecar tricycle, it is to solve two-wheel motorcycle
Lack of support, transport inefficiency and to the Curve guide impeller of two-wheel motorcycle.
Conventional side tricycle structure is：Frame of side is installed additional on the main car frame of two-wheel motorcycle, and the frame of side is provided with side
Trailing wheel；And type of drive is by original main rear wheel drive.
Single rear wheel drives, and it drives effect poor, vehicle handling capacity deficiency；And because side tricycle structure is asymmetric, in reality
Driven so failing to realize that trailing wheel is double always in use, the structure of double rear wheel driving frequently results in side three-wheel and is easy to unbalance on border.
The content of the invention
The utility model aims to provide a kind of back wheel driving gear of side tricycle, can not to solve existing side three-wheel
Realize the problem of trailing wheel pair drives.
Concrete scheme is：A kind of back wheel driving gear of side tricycle, it is characterised in that：Including a differential mechanism, a speed change
Device and a Hooks coupling universal coupling；The differential mechanism is installed on the main car frame of side three-wheel, and it has input shaft, main drive shaft and output
Axle, it is connected in the engine of side tricycle by the input shaft, is connected by the main drive shaft in side tricycle
Main trailing wheel, and be connected by one end of the output shaft and the Hooks coupling universal coupling；A box of tricks is provided with the differential mechanism,
The input shaft, main drive shaft and output shaft are connected by the box of tricks, and then are realized to main drive shaft and output shaft
Differential drives；The speed changer is used to be fixedly installed in the frame of side of side tricycle, its have one side drive shaft, a power transmission shaft with
And a gear both speed change, the speed changer by this while drive shaft with while rear wheel drive be connected, pass through power transmission shaft and ten thousand
It is connected to the other end of shaft coupling；The main drive shaft to input shaft gearratio and the side drive shaft to the input shaft is driven
Than difference, so make main trailing wheel in tricycle from while the different driving force of trailing wheel generation.
Further, the gearratio of the input shaft to main drive shaft is more than the gearratio that the input shaft drives to the side, enters
And main drive shaft output torque is set to be more than side drive shaft output torque.
Further, the speed changer has a case of transmission, and the side drive shaft and power transmission shaft are respectively arranged on the speed change
The both ends of device housing；A mounting rod is additionally provided with the case of transmission, the mounting rod is used for the frame of side for being installed on side three-wheel,
To realize the installation of the speed changer.
Further, the differential mechanism is on the one side of the main trailing wheel of side three-wheel；The differential mechanism has a differential carrier
Body, the differential casing are provided with an axis hole, and a mounting rod is through the axis hole and is fixedly mounted, and then the mounting rod is located at the axle
The both sides in hole are respectively used to be fixed on the main car frame of side three-wheel, and then realize the fixed installation of the differential mechanism.
Further, in addition to one is used to be fixedly installed in main rear axle on the three-wheel main car frame of side, and the main rear axle is used to wear
Main trailing wheel is crossed to realize the rotational installation of main trailing wheel；On the differential mechanism to should the position of main rear axle be provided with a mounting hole, the master
Rear axle is installed on the differential mechanism by the mounting hole, so that the differential mechanism is installed on main car frame by the main rear axle.
Further, the box of tricks includes the first differential tooth, the second differential tooth, Gear Planet Transmission part and a rotating cage；Should
What the first differential tooth, the second differential tooth and rotating cage can rotate is sheathed on the main rear axle, what the Gear Planet Transmission part can rotate
It is connected on the rotating cage and respectively with the first and second differentials tooth；The rotating cage is connected with this with the input shaft
Input shaft is rotated by, and the main drive shaft and output shaft are connected with the first differential tooth, the second differential tooth respectively.
Further, the main drive shaft has a rotating bar, and the rotating bar is provided with main wheel sliding tooth, the first differential tooth
It is fixedly installed in the rotating bar；What the rotating bar can rotate is installed in the differential mechanism；
The second differential tooth is sheathed on the main drive shaft and can rotated around the main drive shaft, is also arranged on the main drive shaft
There is a differential output gear, the second differential tooth is fixedly connected with the differential output gear, to drive this defeated by the differential output gear
Shaft；
A cavity is set in the rotating cage, first, second differential tooth is sheathed in the rotating cage, main wheel sliding tooth, the differential
Output gear is respectively arranged on the both sides of rotating cage；The Gear Planet Transmission part includes to be connected respectively with the first and second differential teeth respectively
First, second driving cog；The rotating bar is hollow structure, is provided with the mounting hole in it, the main rear axle is inserted in the installation
In hole.
Further, the second differential tooth is connected with the first spline, and being also arranged with first spline can be along first flower
The sealed wheel of key movement, on the rotating cage to should sealed wheel be provided with sealed tooth, be additionally provided with the differential mechanism be used to stirring this it is sealed
First shift fork of wheel.
Further, the output shaft is provided with the second spline, and second spline upper sleeve is provided with engagement and taken turns, in the differential mechanism also
Provided with the second shift fork for stirring the engagement wheel；Second spline realizes the transmission with the second differential tooth by the engagement wheel
Connection.
The utility model also provides a kind of trailing wheel double side three-wheels driven, including main car frame and frame of side；On the main car frame
Provided with main trailing wheel, the frame of side is provided with side trailing wheel；It is characterized in that：Also include claim 1-9 any one claims
The back wheel driving gear of described side tricycle；The differential mechanism is installed on the main car frame, and the main trailing wheel is installed on the main driving
On axle；The speed changer is on the frame of side, and this is when trailing wheel is installed on this in drive shaft；And then realize main trailing wheel, Bian Hou
Take turns the Two-wheeled of different driving power.
In the prior art, differential mechanism is generally used to realize the adjustment of the internal foreign steamer amount of spin of steering procedure of vehicle, this case
Inventor breaks the intrinsic technical thought, and two driving wheel Torque distributions are realized using differential mechanism, and differential mechanism is used for realizing pair
The distribution of double rear wheel driving force：
The while three-wheels of the present utility model driven in three-wheel drive device and trailing wheel pair, pass through differential mechanism, Hooks coupling universal coupling
And speed changer realizes the Two-wheeled of main trailing wheel and side trailing wheel respectively；Further, main drive shaft is made to be driven with the side
Axle is different to the input shaft gearratio, so make main trailing wheel in three-wheel from while the different driving force of trailing wheel generation, realize hair
Distribution of the motivation driving force on two trailing wheels；Again in further technical scheme, the speed changer is the adjustable setting of gear ratio, i.e.,
Double rear wheel driving force size can be adjusted according to road conditions, load condition and speed of service etc., solving existing side three-wheel can not be real
Existing trailing wheel double the problem of driving.
Brief description of the drawings
Fig. 1 shows the utility model side tricycle frame main body mechanism structural representation；
Fig. 2 shows that Fig. 1 differential mechanisms are installed on the structural representation on main car frame；
Fig. 3 shows Fig. 2 explosive views；
Fig. 4 shows another angled arrangement schematic diagrames of Fig. 1；
Fig. 5 shows Fig. 4 speed changer structure schematic diagrames；
Fig. 6 shows Fig. 1 differential mechanism explosive views；
Fig. 7 shows Fig. 6 box of tricks structural representations；
Fig. 8 shows Fig. 7 explosive views；
Fig. 9 shows Fig. 6 locking mechanism explosive views；
Figure 10 shows that Fig. 9 removes the structural representation after the lid of side.
Embodiment
To further illustrate each embodiment, the utility model is provided with accompanying drawing.These accompanying drawings are in the utility model discloses
A part for appearance, it can coordinate the associated description of specification to explain the running of embodiment original mainly to illustrate embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new
The advantages of type.Component in figure is not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
With reference to shown in Fig. 1 to Fig. 5, the embodiment provides a kind of trailing wheel double side three-wheels driven, and it includes main car frame 1 and side
Vehicle frame 2；The convinent car frame 2 is installed on the main car frame 1, and the main car frame 1 is provided with engine (not shown) and main trailing wheel
11, the frame of side 2 is provided with side trailing wheel 21.
Drive while the main trailing wheel 11 and side trailing wheel 21 to realize, be also equipped with the main car frame 1 and convinent car frame 2
The back wheel driving gear of one side tricycle.The back wheel driving gear of the side tricycle include a differential mechanism 3, a speed changer 4 and
Connect a Hooks coupling universal coupling 5 of the differential mechanism 3 and speed changer 4
With reference to Fig. 1, Fig. 2 and Fig. 3, the differential mechanism 3 is installed on the main car frame 1 of side three-wheel, and it has a housing, the housing
Inside once protrude out for be connected while the input shaft 31 of three turbines, for being connected while three-wheel main trailing wheel 11
Main drive shaft 62 (this is not shown, can be referring to the part of Fig. 7 labels 62) and one end drive connection with the Hooks coupling universal coupling 5
Output shaft 32.
Specifically, the differential mechanism 3 is on the one side of the main trailing wheel 11 of side three-wheel：The housing of differential mechanism 3 is provided with one
Axis hole 33, a mounting rod 30 is through the axis hole 33 and is fixedly installed in the axis hole 33, and then the mounting rod 30 is located at the axis hole
The region of 33 both sides is respectively used to be fixed on the main car frame 1 of side three-wheel, and then realizes the fixed installation of the differential mechanism 3.
Further, to realize most firm installation, the differential mechanism 3 also includes one and is used to be fixedly installed in side three-wheel main car frame
Main rear axle 110 on 1：The main rear axle 110 passes through the center of rotation of main trailing wheel 11 and makes the installation that can be rotated of main trailing wheel 11, and
Afterwards, the main rear axle 110 is located at one end of main trailing wheel 11 and is fixed on main car frame 1, and the other end passes through the mounting hole on the differential mechanism 3
(invisible in figure, to be the endoporus of main drive shaft 62) is installed on the differential mechanism 3, and the main rear axle 110 is set perpendicular to mounting rod 30
Put, so that the differential mechanism 3 is installed on main car frame 1 by horizontal and longitudinal both direction.
With reference to Fig. 4 and Fig. 5, the speed changer 4 is used to be fixedly installed in the frame of side 2 of side three-wheel, its have one be used for
The side drive shaft and a power transmission shaft being connected with the other end of the Hooks coupling universal coupling 5 that trailing wheel 21 is connected in three-wheel
41；
The speed changer 4 has a case of transmission, and the side drive shaft and power transmission shaft 41 are respectively arranged on the both ends of the housing；
The side propeller shaft sleeve on one side rear axle 210, with by while rear axle 210 by while trailing wheel 21 be installed on speed changer 4；The speed change
A mounting rod 40 is additionally provided with device housing, the mounting rod 40 is sheathed on the frame of side 2 of side three-wheel, to realize the speed changer 4
Installation.
It is provided with a box of tricks 6 in conjunction with Fig. 6 to Fig. 8, in the differential mechanism 2, the input shaft 31, main drive shaft 62 and defeated
Shaft 32 can be connected by the box of tricks, and the main drive shaft 62 and the gearratio of the side drive shaft to the input shaft 31
Difference, so make main trailing wheel 11 in three-wheel from while trailing wheel 21 produce different driving forces；Preferably, the main drive shaft 62 is to defeated
The gearratio for entering axle 31 is less than the side drive shaft to the gearratio of input shaft 31, and then realizes that the output torque of main drive shaft 62 is big
In side drive shaft output torque, it is further preferred that the ratio between two gearratios are 6:4, to realize the main driving force ratio side of trailing wheel 11
The driving force of trailing wheel 21 is 4:6.
With reference to shown in Fig. 6, the differential mechanism of the embodiment includes box of tricks 6 and locking mechanism 8.
With reference to Fig. 7 and Fig. 8, the box of tricks 6 includes the first differential tooth 622, the second differential tooth 631, rotating cage 61 and peace
Loaded on the Gear Planet Transmission part 611 on rotating cage 61.The first differential tooth 622 is fixed on main drive shaft 62, the second differential tooth 631
It is sheathed on main drive shaft 62 and can be rotated around the main drive shaft 62.
Specifically, the main part of main drive shaft 62 is a hollow rotating bar, one end of the rotating bar is to be nibbled with main trailing wheel
The main sliding tooth 621 to be connected is closed, the first differential tooth 622 is arranged and is fixed in the rotating bar, then the rotating bar
What can be rotated is installed in the differential mechanism 2.
The second differential tooth 631 is connected with a differential output gear 632 (see the part of label in Fig. 9 632) to form second
Actuator 63；Second actuator 63 is also hollow setting, and is sheathed in the rotating bar of the main drive shaft 62 and can be around this turn
Lever rotates.
A cavity is set in the rotating cage 61, first, second differential tooth is sheathed in the rotating cage 61, and is differential output
Tooth 632, main sliding tooth 621 divide half both ends for being located at rotating cage 61；It is poor with first and second respectively that the Gear Planet Transmission part 611 includes
First, second driving cog that fast tooth 622,631 engages respectively, and the first, second driving cog gear ratio is 4:6 are driven with realizing
Power differentiation exports.
In this embodiment, the rotating bar of the main drive shaft 62 is hollow structure, the mounting hole is provided with it, to pass through
The mounting hole, which accommodates, disposes main rear axle 110, makes the part that the main rear axle 110 protrudes out in the mounting hole.The embodiment passes through
It is sheathed on what the main drive shaft 62, the second actuator 63 and rotating cage 61 can rotate on the main rear axle 110, the Gear Planet Transmission
What part 611 can rotate is connected on the rotating cage 61 and respectively with the first and second differentials tooth；The rotating cage 61 is defeated with this
Enter axle 31 to be connected and drive rotation, realize differential, the output of difference torque.
In conjunction with Fig. 8, Fig. 9 and Figure 10, second actuator 63 is provided with the first spline 630, and first spline 630 is fixed
In on the second differential tooth 631, the differential output gear 632 is located at the end of first spline 630；It is arranged on first spline 630
There is sealed wheel 72, be provided with sealed tooth 610 to that sealed should take turns on the rotating cage 61, be additionally provided with the differential mechanism 2 for stirring the lock
The first shift fork 721 of wheel is closed, the sealed wheel 72 can be stirred and be locked on sealed tooth 610, realize that the second actuator 63 is locked on and turn
Cage 61.
Wherein, the output shaft 32 is provided with the second spline 320 (see Fig. 6), and engagement wheel is arranged with second spline 320
71, the second shift fork 711 for stirring the engagement wheel 71 is additionally provided with the differential mechanism 2；Second spline 320 is taken turns by the engagement
71 realize the drive connection with the differential output gear 632 on second actuator 63.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (10)
- A kind of 1. back wheel driving gear of side tricycle, it is characterised in that：It is universal including a differential mechanism, a speed changer and one Axle device；The differential mechanism is installed on the main car frame of side three-wheel, and it has input shaft, main drive shaft and output shaft, passes through the input shaft It is connected in the engine of side tricycle, is connected by the main drive shaft in the main trailing wheel of side tricycle, and pass through One end of the output shaft and the Hooks coupling universal coupling is connected；A box of tricks is provided with the differential mechanism, the input shaft, main drive shaft and output shaft are driven by the box of tricks to be connected Connect, and then realize and main drive shaft and output shaft differential are driven；The speed changer is used for the frame of side for being fixedly installed in side tricycle, and it has one side drive shaft, a power transmission shaft and one The gear of both speed changes, the speed changer by this while drive shaft with while rear wheel drive be connected, by power transmission shaft with it is universal The other end drive connection of axle device；The main drive shaft is different to the input shaft gearratio with the side drive shaft to the input shaft gearratio, and then makes side tricycle The main trailing wheel driving force different from the generation of side trailing wheel.
- 2. the back wheel driving gear of side tricycle according to claim 1, it is characterised in that：The input shaft is to main drive shaft Gearratio be more than the gearratio that drive to the side of the input shaft, and then make main drive shaft output torque more than the output of side drive shaft Torque.
- 3. the back wheel driving gear of side tricycle according to claim 1, it is characterised in that：The speed changer has a speed change Device housing, the side drive shaft and power transmission shaft are respectively arranged on the both ends of the case of transmission；One is additionally provided with the case of transmission Mounting rod, the mounting rod is used for the frame of side for being installed on side three-wheel, to realize the installation of the speed changer.
- 4. the back wheel driving gear of side tricycle according to claim 1, it is characterised in that：The differential mechanism is located at side three-wheel Main trailing wheel one side on；The differential mechanism has a differential casing, and the differential casing is provided with an axis hole, a mounting rod Through the axis hole and it is fixedly mounted, then the mounting rod is located at the both sides of the axis hole and is respectively used to be fixed on the main car of side three-wheel On frame, and then realize the fixed installation of the differential mechanism.
- 5. the back wheel driving gear of side tricycle according to claim 1, it is characterised in that：Also include one and be used for fixed peace Loaded on the main rear axle on the three-wheel main car frame of side, the main rear axle is used for through main trailing wheel to realize the rotational installation of main trailing wheel；The difference On fast device to should the position of main rear axle be provided with a mounting hole, the main rear axle is installed on the differential mechanism by the mounting hole, with The differential mechanism is set to be installed on by the main rear axle on main car frame.
- 6. the back wheel driving gear of side tricycle according to claim 5, it is characterised in that：The box of tricks includes first Differential tooth, the second differential tooth, Gear Planet Transmission part and a rotating cage；The first differential tooth, the second differential tooth and rotating cage can turn Dynamic is sheathed on the main rear axle, the Gear Planet Transmission part can rotate on the rotating cage and respectively with first and second differential Tooth is connected；The rotating cage is connected to be rotated by the input shaft with the input shaft, the main drive shaft and output Axle is connected with the first differential tooth, the second differential tooth respectively.
- 7. the back wheel driving gear of side tricycle according to claim 6, it is characterised in that：The main drive shaft has a rotating bar, and the rotating bar is provided with main wheel sliding tooth, and the first differential tooth is fixedly installed in this In rotating bar；What the rotating bar can rotate is installed in the differential mechanism；The second differential tooth is sheathed on the main drive shaft and can rotated around the main drive shaft, and one is also arranged with the main drive shaft Differential output gear, the second differential tooth are fixedly connected with the differential output gear, to drive the output shaft by the differential output gear；A cavity is set in the rotating cage, first, second differential tooth is sheathed in the rotating cage, the main wheel sliding tooth, differential output Tooth is respectively arranged on the both sides of rotating cage；The Gear Planet Transmission part includes to be connected respectively with the first and second differential teeth respectively First, the second driving cog；The rotating bar is hollow structure, is provided with the mounting hole in it, the main rear axle is inserted in the mounting hole.
- 8. the back wheel driving gear of the side tricycle according to claim 6 or 7, it is characterised in that：The second differential tooth is connected with the first spline, be also arranged with first spline can be moved along first spline it is sealed Take turns, be provided with sealed tooth to that sealed should take turns on the rotating cage, the first shift fork for stirring the sealed wheel is additionally provided with the differential mechanism.
- 9. the back wheel driving gear of the side tricycle according to claim 6 or 7, it is characterised in that：The output shaft is provided with Second spline, second spline upper sleeve are provided with engagement and taken turns, and the second shift fork for stirring the engagement wheel is additionally provided with the differential mechanism； Second spline realizes the drive connection with the second differential tooth by the engagement wheel.
- 10. a kind of double side three-wheels driven of trailing wheel, including main car frame and frame of side；The main car frame is provided with main trailing wheel, the side car Frame is provided with side trailing wheel；It is characterized in that：After also including the side tricycle described in claim 1-9 any one claims Wheel drive unit；The differential mechanism is installed on the main car frame, and the main trailing wheel is installed on the main drive shaft；The speed changer is located at should On frame of side, this is when trailing wheel is installed on this in drive shaft；And then realize the two-wheel drive of main trailing wheel, side trailing wheel different driving power It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720990173.1U CN207089544U (en) | 2017-08-09 | 2017-08-09 | A kind of double while three-wheels driven of back wheel driving gear and trailing wheel in tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720990173.1U CN207089544U (en) | 2017-08-09 | 2017-08-09 | A kind of double while three-wheels driven of back wheel driving gear and trailing wheel in tricycle |
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| Publication Number | Publication Date |
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| CN207089544U true CN207089544U (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720990173.1U Active CN207089544U (en) | 2017-08-09 | 2017-08-09 | A kind of double while three-wheels driven of back wheel driving gear and trailing wheel in tricycle |
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| CN (1) | CN207089544U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298146A (en) * | 2017-08-09 | 2017-10-27 | 厦门南旗佰特精密工具制造有限公司 | A kind of double while three-wheels driven of back wheel driving gear and trailing wheel in tricycle |
| CN112213531A (en) * | 2020-10-19 | 2021-01-12 | 中国人民解放军海军工程大学 | Power electronic device equipment testing device and testing system |
| CN115306625A (en) * | 2022-09-20 | 2022-11-08 | 华北电力大学 | High-flow-rate liquid piston system |
-
2017
- 2017-08-09 CN CN201720990173.1U patent/CN207089544U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298146A (en) * | 2017-08-09 | 2017-10-27 | 厦门南旗佰特精密工具制造有限公司 | A kind of double while three-wheels driven of back wheel driving gear and trailing wheel in tricycle |
| CN112213531A (en) * | 2020-10-19 | 2021-01-12 | 中国人民解放军海军工程大学 | Power electronic device equipment testing device and testing system |
| CN112213531B (en) * | 2020-10-19 | 2023-08-11 | 中国人民解放军海军工程大学 | Power electronic device testing device and testing system |
| CN115306625A (en) * | 2022-09-20 | 2022-11-08 | 华北电力大学 | High-flow-rate liquid piston system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The invention relates to a rear wheel drive device of a side tricycle and a side tricycle with rear wheel dual drive Effective date of registration: 20210415 Granted publication date: 20180313 Pledgee: Bank of China Limited Xiamen Tong'an sub branch Pledgor: XIAMEN NANCHBIT PRECISION TOOLS Co.,Ltd. Registration number: Y2021980002661 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231023 Granted publication date: 20180313 Pledgee: Bank of China Limited Xiamen Tong'an sub branch Pledgor: XIAMEN NANCHBIT PRECISION TOOLS Co.,Ltd. Registration number: Y2021980002661 |