KR20170004094A - Wheel-mounted modular emergency drive unit - Google Patents
Wheel-mounted modular emergency drive unit Download PDFInfo
- Publication number
- KR20170004094A KR20170004094A KR1020150093981A KR20150093981A KR20170004094A KR 20170004094 A KR20170004094 A KR 20170004094A KR 1020150093981 A KR1020150093981 A KR 1020150093981A KR 20150093981 A KR20150093981 A KR 20150093981A KR 20170004094 A KR20170004094 A KR 20170004094A
- Authority
- KR
- South Korea
- Prior art keywords
- wheel
- drive
- driving
- driver
- vehicle
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/348—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/354—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having separate mechanical assemblies for transmitting drive to the front or to the rear wheels or set of wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/24—Toothed gearings for conveying rotary motion without gears having orbital motion involving gears essentially having intermeshing elements other than involute or cycloidal teeth
Abstract
Description
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheel mounted modular emergency driving apparatus, and more particularly, to a wheel mounted modular emergency driving apparatus capable of forcibly driving a wheel in a situation where a wheel is required to be mounted on a wheel.
Generally, a four-wheel vehicle can be divided into a two-wheel drive system and a four-wheel drive system depending on the drive system.
The two-wheel drive vehicle can be divided into FR (Front Engine Rear Drive), FF (Front Engine Front Drive) and RR (Rear Engine Rear Drive) depending on the position of the engine and the transmission and the actual driving wheel position. Of these, the RR system is used for sports car, rather than a general passenger car and SUV type vehicle, and therefore a two-wheel drive vehicle can be generally regarded as an FF system or an FR system.
In such FF and FR type vehicles, both the engine and the transmission are installed in front of the vehicle, but their arrangement is different. The FR type vehicle generally has a structure in which the engine and the transmission are disposed along the front-rear direction of the vehicle and can transmit power from the transmission to the rear wheel through the propeller shaft. In the FF type, the engine and the transmission are arranged in the lateral direction And has a structure in which power is transmitted to the front wheels through a differential which is integrally formed with the transmission.
On the other hand, a four-wheel-drive vehicle employs a transfer case for forward and rearward power distribution, a drive shaft for transmitting driving force, a clutch, a transmission, and differential, etc. to appropriately supply the driving force of the engine to four wheels. A part time system in which the power to the front wheels is interrupted by manual operation according to the shift mode and a full time system in which the four wheel drive state is always maintained can be distinguished, Depending on the driving mechanism, it is divided into a mechanical four-wheel drive system and a motor-driven four-wheel drive system.
In the mechanical four-wheel drive system, after the engine power is distributed from the auxiliary transmission through the transmission to the front and rear wheels, the engine is transmitted through the propeller shaft via the coupling and the differential device. In the coupling, the mechanical power or the ECU determines the operation state and the power transmission amount according to the vehicle state, and the rear wheel power transmission rate can be varied. Although the mechanical four-wheel drive system has excellent performance, it requires a high level of technical skill in manufacturing the front and rear wheel power distributing devices, and the structure of the power transmission device is large and complicated, And a reduction in space usability.
The motor-driven four-wheel drive system described above does not require a sub-transmission, a propeller shaft, and a coupling used in a mechanical four-wheel drive system, and has a structure capable of four-wheel drive using a motor mounted on a rear wheel. In the motor-driven four-wheel drive system described above, only two-wheel drive is performed at the time of normal running. The electronic clutch can be used to interlock between the motor and the gear set to minimize the loss of unnecessary driving force. The power is transmitted to the rear wheel side by quickly connecting the motor and the gear set using the clutch. The electronic clutch operates by applying pressure to the clutch by driving a pressure applying device such as a ball ramp through a magnetic force generated by applying a current to an electromagnet. In the case of the above driving device, there is a problem that a large-capacity motor driving source for generating a rear wheel driving force must be additionally mounted.
Since the four-wheel drive vehicle is powered by four wheels, the initial acceleration performance is excellent. Even when the front wheel or the rear wheel falls into the puddle or the mud, the power is transferred to the remaining wheels, . Especially, it has an advantage of excellent driving safety on snowy roads and ice roads.
However, in the case of the four-wheel drive system, since the weight of the vehicle is increased and the power transmission can be performed on all four wheels, the production cost is increased and the fuel economy of the vehicle is adversely affected. In most of the driving conditions except for the special driving conditions, there are ineffective disadvantages. As a result, most of the vehicles are being mass-produced by two-wheel drive.
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a two-wheel drive vehicle which is installed in a non-drive wheel of a front wheel or a rear wheel, And to provide a wheel mounted modular emergency drive apparatus which is configured to transmit power to a non-drive wheel in an emergency and to enable emergency four-wheel drive.
The wheel-mounted modular emergency-drive system according to the present invention is simply installed in a modular form in a non-drive wheel of a front wheel or a rear-wheel drive vehicle to transmit power to the non-drive wheel, A wheel connecting portion connected to the wheel of the non-driving wheel to transmit power to the wheel of the non-driving wheel, and a clutch portion provided between the wheel connecting portion and the driving device for connecting or disconnecting power transmitted from the driving device .
The driving unit may further include a speed reducer installed between the driving unit and the clutch unit to increase the driving force. The speed reducer may be a harmonic drive system or a cyclic gear.
A control switch for controlling the driver is provided at a place where the driver of the vehicle can operate the control switch and the control switch can be connected to the driver in a wired or wireless manner so as to transmit a driving signal to the driver.
Or the driver is driven by an electronic control unit (ECU) of a vehicle, and the electronic control unit automatically controls power distribution of the two wheels when the slip occurs on either one of the two wheels of the drive wheel So that the driving force can be appropriately distributed.
The wheel mounted modular emergency driving apparatus of the present invention is advantageous in that it can be easily installed in a non-driving wheel of an existing two-wheeled vehicle so as to perform four-wheel driving in an emergency situation, thereby improving driving performance in an emergency situation at low cost have.
In addition, since the wheel-mounted modular emergency-drive device of the present invention is modularly detachable, it can be additionally installed in a conventional two-wheeled vehicle, and is selectively installed only when a specific situation is expected, such as during the winter or off- There is an advantage to use.
1 is a perspective view showing an embodiment of a wheel mounted modular emergency driving apparatus according to the present invention,
Fig. 2 is a front view of the wheel mounted modular emergency-drive device of Fig. 1; Fig.
3 is a perspective view showing a state in which a wheel mounted modular emergency driving apparatus is mounted on a vehicle,
Fig. 4 is a front view showing the mounting state of the wheel-mounted modular emergency-drive device of Fig. 3; Fig.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a wheel mounted modular emergency driving apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It should be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing. In the accompanying drawings, the dimensions of the structures are enlarged to illustrate the present invention in order to clarify the present invention.
The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.
The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a part or a combination thereof is described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.
Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.
1 to 4 show a wheeled modular emergency driving apparatus according to the present invention in perspective and front views.
Referring to the drawings, the wheel-mounted modular emergency-drive system of the present invention is installed in a non-driving wheel of a vehicle to drive a non-driving wheel in an emergency situation to improve the running performance of the vehicle.
That is, when the vehicle is a front-wheel-drive vehicle, it is installed on both rear wheels, and in the case of a rear-wheel-drive vehicle, it is installed on both front wheels.
The wheel mounted modular emergency driving apparatus of the present invention includes a driver, a speed reducer, a clutch portion, and a wheel connection portion.
The driver is a motor driven by electricity and may be configured to receive power from a battery of the vehicle or may include a separate battery on one side.
The speed reducer is connected to a driver and decelerates the rotational speed of the driving shaft output from the driver to an appropriate speed for driving the wheel W.
It is preferable that either the harmonic drive system or the cycloid gear is applied to the speed reducer.
A harmonic drive system is a structure in which three key component parts of a wave generator, a flexpline, and a circular spline are assembled on the same axis line. In addition, the cycloid gear is also connected to the input shaft by three eccentric bearings through the eccentric bearing, and a pin is provided in the inner diameter of the case. The deceleration output generated between the pin and the cicloid toothed gear is decelerated It is a structure that transmits power.
The harmonic drive system or the cycloid gear type speed reducer is suitable as a speed reducer for an emergency four-wheel system that transmits power to a non-driving wheel because it has characteristics such as small size, light weight, high speed reduction ratio and super precision.
The wheel connecting portion is connected to the wheel W of the non-driving wheel and rotates integrally with the wheel W of the non-driving wheel.
The clutch is installed between the speed reducer and the wheel connecting portion, and serves to connect or disconnect the power transmitting portion between the reducer and the wheel connecting portion so as to transmit power.
In a normal driving situation, the connection between the wheel connecting part and the speed reducer is cut off, so that the wheel connecting part freely rotates together with the rotation of the wheel, and the rotational force of the wheel is prevented from being transmitted to the driving machine.
When the drive unit is operated in a situation where power transmission to the non-drive wheel is required, the clutch connects the reducer and the wheel connection unit so as to transmit power to each other, and causes the wheel of the non-drive wheel to rotate by the drive unit.
Thus, the wheel-mounted modular emergency-drive system according to the present invention can be applied to a frame, a chassis or a support arm (Arm) that supports the non-driving wheels so as to transmit power to non-driving wheels of a two- And it is possible to transmit the power to the non-drive wheels as needed so that the four-wheel drive can be performed in an emergency situation.
In addition, the driver may be provided with a separate control switch at the driver's seat, and may connect the driver and the control switch by wire or wireless, so that the driver may be operated according to the switch operation of the driver.
Alternatively, the drive unit may be configured to be driven by an electronic control unit (ECU) of the vehicle. In addition to inputting a signal by the driver to drive the drive unit, And may be configured to automatically drive the driver when a slip occurs on one side.
The above-described vehicle-mounted modular emergency-drive device according to the present invention can be mounted on a two-wheeled vehicle to selectively perform four-wheel drive, thereby solving problems such as an increase in manufacturing cost and a decrease in fuel consumption compared to a conventional general four- The vehicle running performance in an emergency can be improved.
The description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features presented herein.
100; Mounted modular emergency drive
110; Driver
120; reducer
130; Clutch portion
140; Wheel connection
Claims (5)
A driver installed in the vehicle body to generate a driving force;
A wheel connecting portion connected to the wheel of the non-driving wheel to transmit power to the wheel of the non-driving wheel;
And a clutch unit installed between the wheel connecting unit and the driving unit to connect or disconnect the power transmitted from the driving unit.
Wheel mounted modular emergency drive.
And is provided between the driver and the clutch portion
Further comprising a high reduction gear ratio reducer which enables miniaturization and modularization of the drive unit by increasing the driving force
Wheel mounted modular emergency drive.
Wherein the speed reducer is any one of a harmonic drive system and a cycloid gear
Wheel mounted modular emergency drive.
Wherein a control switch for controlling the driver is provided at a position that can be operated by a driver of the vehicle and the control switch is connected to the driver in a wired or wireless manner so as to transmit a driving signal to the driver
Wheel mounted modular emergency drive.
The driver is driven by an electronic control unit (ECU) of the vehicle,
Wherein the electronic control unit is configured to automatically drive the driver when a slip occurs on any one of two wheels of the drive wheel
Wheel mounted modular emergency drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150093981A KR20170004094A (en) | 2015-07-01 | 2015-07-01 | Wheel-mounted modular emergency drive unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150093981A KR20170004094A (en) | 2015-07-01 | 2015-07-01 | Wheel-mounted modular emergency drive unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20170004094A true KR20170004094A (en) | 2017-01-11 |
Family
ID=57833189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150093981A KR20170004094A (en) | 2015-07-01 | 2015-07-01 | Wheel-mounted modular emergency drive unit |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20170004094A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101187482B1 (en) | 2010-12-28 | 2012-10-02 | 현대위아 주식회사 | Device for driving 4 wheel using motor having limited slip differential function |
-
2015
- 2015-07-01 KR KR1020150093981A patent/KR20170004094A/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101187482B1 (en) | 2010-12-28 | 2012-10-02 | 현대위아 주식회사 | Device for driving 4 wheel using motor having limited slip differential function |
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