CN109318986A - A kind of steering system of fork truck - Google Patents
A kind of steering system of fork truck Download PDFInfo
- Publication number
- CN109318986A CN109318986A CN201811209967.5A CN201811209967A CN109318986A CN 109318986 A CN109318986 A CN 109318986A CN 201811209967 A CN201811209967 A CN 201811209967A CN 109318986 A CN109318986 A CN 109318986A
- Authority
- CN
- China
- Prior art keywords
- speed reducer
- transmission shaft
- axis connection
- commutator
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
- B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
- B62D7/15—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
- B62D7/1518—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels comprising a mechanical interconnecting system between the steering control means of the different axles
- B62D7/1545—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels comprising a mechanical interconnecting system between the steering control means of the different axles provided with electrical assistance
Abstract
The invention discloses a kind of steering systems of fork truck, it is connect including motor, speed reducer, front steering unit and rear steering unit, motor with speed reducer, speed reducer has double output shaft, a wherein output axis connection front steering unit, and another output axis connection rear steering unit;Rear steering unit includes one first transmission shaft, two sides transmission shaft, a commutator, two drivers, two pillar panels and two rear-wheels, one end of first transmission shaft and an output axis connection of speed reducer, and first transmission shaft the other end and commutator input axis connection, commutator has parallel double output shaft, and it is connect respectively with one end of side transmission shaft, the other end of side transmission shaft and the input axis connection of driver, the output shaft of each driver is all connect with the upper end of pillar panel, and the lower end of each pillar panel is all connect with wheel.The present invention can see clearly in real time the direction of steering wheel and rapidly react next step direction, can longitudinal driving also can cross running, suitable for various narrow places.
Description
Technical field
The present invention relates to the steering system technical fields of vehicle, more particularly to a kind of steering system of fork truck.
Background technique
The driving direction of the wish control fork truck according to driver, Most current fork truck may be implemented in the steering system of fork truck
Steering system deflecting roller corner at 50 degree or so, and many times the tunnel in warehouse is very narrow, and fork truck is difficult to turn, and regards
Line is bad, and existing steering system is unable to reach perfect requirement.Existing fork-truck steering needs biggish steering space,
So being unfavorable for the accurate quick positioning of fork truck, it has not been convenient to which the steering wheel of driver's operation, the steering system of existing fork truck is whole
In the back direction of driver, vehicle seat is low, due to can't see the direction of steering wheel, driver when frequent transitions not
Know last direction where.
In order to overcome drawbacks described above, the positive innovation research of those skilled in the art, to create a kind of steering of fork truck
System.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of steering systems of fork truck, can always clearly
See the direction of steering wheel, can quickly react the direction of next step, be very beneficial for new hand and narrow road section, and can be by
Longitudinal driving quickly changes into cross running.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of steering system of fork truck is provided,
Including motor, speed reducer, front steering unit and rear steering unit, the input shaft of the output shaft of the motor and the speed reducer connects
It connecing, the speed reducer has double output shaft, wherein an output axis connection front steering unit, and rear turn described in another output axis connection
To unit;
The rear steering unit includes one first transmission shaft, two sides transmission shaft, a commutator, two drivers, two pillar panels
With two rear-wheels, one end of first transmission shaft and an output axis connection of the speed reducer, and first transmission shaft is another
The input axis connection of one end and the commutator, the commutator have parallel double output shaft, and are driven respectively with the side
One end of axis connects, the other end of the side transmission shaft and the input axis connection of the driver, each driver it is defeated
Shaft is all connect with the upper end of the pillar panel, and the lower end of each pillar panel is all connect with the rear-wheel, the motor
Torque passes to the first transmission shaft through speed reducer and respectively while passing to and driver and then pass through after commutator conversion direction
Pillar panel drives rear-wheel is synchronous to turn to.
Further say, the front steering unit include a pillar panel and a front-wheel, an output shaft of the speed reducer with
The upper end of the pillar panel connects, and the lower end of the pillar panel is connect with the front-wheel;The torque of the motor is passed through speed reducer
It passs and passes through pillar panel and drive front-wheel steer.
It further says, the double output shaft of the speed reducer is vertical.
It further says, the front steering unit includes a second driving shaft, two sides transmission shaft, a commutator, two transmissions
One output axis connection of device, two pillar panels and two front wheels, one end of the second driving shaft and the speed reducer, and described second
The input axis connection of the other end of transmission shaft and the commutator, the commutator have parallel double output shaft, and respectively with
One end of the side transmission shaft connects, the other end of the side transmission shaft and the input axis connection of the driver, the transmission
The output shaft of device is connect with the upper end of the pillar panel, and the lower end of each pillar panel is all connect with the front-wheel, the electricity
The torque of machine passes to second driving shaft through speed reducer and respectively while passing to driver in turn after commutator conversion direction
Drive front-wheel is synchronous to turn to by pillar panel.
It further says, the double output shaft of the speed reducer is parallel.
It further says, the output shaft of the driver and the pillar panel are located at same straight line and all hang down with horizontal plane
Directly.
The beneficial effects of the present invention are:
In the present invention, the torque of motor through speed reducer pass to the first transmission shaft and after commutator conversion direction it is same respectively
When pass to driver and then drive rear-wheel is synchronous to turn to by pillar panel, while the torque of motor is passed through through speed reducer
Pillar panel drives the torque of front-wheel steer or motor to pass to second driving shaft through speed reducer and divides after commutator conversion direction
Driver is not passed to not simultaneously and then drives front-wheel is synchronous to turn to by pillar panel;The synchronization that can be realized front wheels and rear wheels turns
To, while pillar panel and front-wheel or rear-wheel can realize 360 ° of rotations, the i.e. rotation of realization original place by fulcrum of driver simultaneously, therefore
Flexibly, it is big that direction changes amplitude, and the space occupied is small, is particularly suitable for narrow in the spaces such as workshop or warehouse for the direction transformation of fork truck
Small place uses, and facilitates forklift-walking tunnel and narrow road;And turning for next step is known according to the direction of front-wheel whenever and wherever possible
To trend, preferably driver is instructed to operate, changes fork truck direction;Separately since pillar panel and front-wheel or rear-wheel can be simultaneously to pass
Dynamic device is that fulcrum realizes 360 ° of rotations, and torque is small, so that fork truck is quickly changed into cross running by longitudinal driving, even if the sky of very little
Between be also able to achieve turning, also be conducive to disengaging warehouse warehouse gate.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is a schematic structural view of Embodiment 1 of the present invention;
Fig. 2 is a schematic structural view of Embodiment 1 of the present invention (installation vehicle frame);
Fig. 3 is a schematic structural view of Embodiment 2 of the present invention;
Each section label is as follows in attached drawing:
Motor 1, front steering unit 3, rear steering unit 4, the first transmission shaft 5, commutator 6, driver 7, is stood speed reducer 2
Column plate 8, rear-wheel 9, side transmission shaft 10, front-wheel 11, second driving shaft 12 and vehicle frame 13.
Specific embodiment
Illustrate a specific embodiment of the invention below by way of particular specific embodiment, those skilled in the art can be by this
The revealed content of specification understands advantages of the present invention and effect easily.The present invention can also give in further, different ways
Implement, that is, under the scope of without departing substantially from disclosed, different modification and change can be given.
Embodiment 1: a kind of steering system of fork truck, as shown in Figure 1, including motor 1, speed reducer 2,3 and of front steering unit
Rear steering unit 4, the input axis connection of the output shaft of the motor and the speed reducer, the speed reducer have double output shaft,
A wherein output axis connection front steering unit, and rear steering unit described in another output axis connection;
The rear steering unit is vertical including one first transmission shaft 5, two sides transmission shaft 10, a commutator 6, two drivers 7, two
Column plate 8 and two rear-wheels 9, one end of first transmission shaft and an output axis connection of the speed reducer, and first transmission
The input axis connection of the other end of axis and the commutator, the commutator have parallel double output shaft, and respectively with it is described
One end of side transmission shaft connects, the other end of the side transmission shaft and the input axis connection of the driver, each transmission
The output shaft of device is all connect with the upper end of the pillar panel, and the lower end of each pillar panel is all connect with the rear-wheel, described
The torque of motor through speed reducer pass to the first transmission shaft and after commutator conversion direction respectively and meanwhile pass to driver into
And drive rear-wheel is synchronous to turn to by pillar panel.
The front steering unit includes a pillar panel and a front-wheel 11, the output shaft and the pillar panel of the speed reducer
Upper end connection, the lower end of the pillar panel is connect with the front-wheel;The torque of the motor is passed through vertical through speed reducer
Column strip moves front-wheel steer.This structure is suitable for three-wheel foklift truck.
The double output shaft of the speed reducer is vertical.
The output shaft of the driver and the pillar panel be located at same straight line and all with horizontal plane.
As shown in Fig. 2, the fork truck includes vehicle frame 13, in the present embodiment, the vehicle frame is installed on two biographies of steering system
The periphery of dynamic device and speed reducer.
For the steering system and vehicle frame that this design ensures vehicle frame there is no interference, i.e. the running gear of fork truck will not influence fork truck
Steering system, therefore fork truck can be realized 360 ° of steerings.
Embodiment 2: a kind of steering system of fork truck, as shown in figure 3, there is similar structure, difference with embodiment 1
It is, the front steering unit includes a second driving shaft 12, two sides transmission shaft 10, a commutator, two drivers, two pillar panels
And two front wheels, an output axis connection of one end of the second driving shaft and the speed reducer, and the second driving shaft is another
The input axis connection of one end and the commutator, the commutator have parallel double output shaft, and are driven respectively with the side
One end of axis connects, the other end of the side transmission shaft and the input axis connection of the driver, the output shaft of the driver
It is connect with the upper end of the pillar panel, the lower end of each pillar panel is all connect with the front-wheel, the torque warp of the motor
Speed reducer passes to second driving shaft and respectively while passing to driver after commutator conversion direction and then passing through pillar panel
Drive front-wheel is synchronous to turn to.This structure is suitable for four-wheel fork truck.
The double output shaft of the speed reducer is parallel.
The course of work and working principle of the invention is as follows:
The torque of motor passes to the first transmission shaft through speed reducer and respectively while passing to after commutator conversion direction
Driver drives rear-wheel is synchronous to turn to by pillar panel in turn, while the torque of motor is passed through pillar panel band through speed reducer
The torque of dynamic front-wheel steer or motor passes to second driving shaft through speed reducer and respectively while passing after commutator conversion direction
It passs driver and then drives front-wheel is synchronous to turn to by pillar panel;It can be realized the synchronous of front wheels and rear wheels to turn to, stand simultaneously
Column plate and front-wheel or rear-wheel can realize 360 ° of rotations by fulcrum of driver simultaneously, i.e. realization original place rotates, therefore the side of fork truck
Flexibly to transformation, it is big to change amplitude for direction, and the space occupied is small, is particularly suitable in the place of the narrow spaces such as workshop or warehouse
It uses, facilitates forklift-walking tunnel and narrow road;And know the direction of next step whenever and wherever possible according to the direction of front-wheel, preferably
It instructs driver to operate, changes fork truck direction.
The above description is only an embodiment of the present invention, and not thereby the above description is only an embodiment of the present invention, not because
This limits the scope of the patents of the invention, all using equivalent structure made by description of the invention and accompanying drawing content, or directly or
Other related technical areas are used in indirectly, are included within the scope of the present invention.
Claims (6)
1. a kind of steering system of fork truck, it is characterised in that: including motor (1), speed reducer (2), front steering unit (3) and rear turn
To unit (4), the input axis connection of the output shaft of the motor and the speed reducer, the speed reducer has double output shaft,
In an output axis connection front steering unit, and rear steering unit described in another output axis connection;
The rear steering unit include one first transmission shaft (5), two sides transmission shaft (10), a commutator (6), two drivers (7),
Two pillar panels (8) and two rear-wheels (9), one end of first transmission shaft and an output axis connection of the speed reducer, and it is described
The input axis connection of the other end of first transmission shaft and the commutator, the commutator has parallel double output shaft, and divides
It is not connect with one end of the side transmission shaft, the other end of the side transmission shaft and the input axis connection of the driver are each
The output shaft of the driver is all connect with the upper end of the pillar panel, and the lower end of each pillar panel all connects with the wheel
It connects, the torque of the motor passes to the first transmission shaft through speed reducer and respectively while passing to after commutator conversion direction
Dynamic device passes through the synchronous steering of pillar panel band motor car wheel in turn.
2. a kind of steering system of fork truck according to claim 1, it is characterised in that: the front steering unit includes one vertical
Column plate and a front-wheel (11), an output shaft of the speed reducer are connect with the upper end of the pillar panel, the lower end of the pillar panel
It is connect with the front-wheel;The torque of the motor is passed through pillar panel through speed reducer and drives front-wheel steer.
3. a kind of steering system of fork truck according to claim 1, it is characterised in that: the front steering unit includes one the
Two transmission shafts (12), two sides transmission shaft (10), a commutator, two drivers, two pillar panels and two front wheels, the second driving shaft
One end and the speed reducer an output axis connection, and the input shaft of the other end of the second driving shaft and the commutator
Connection, the commutator has parallel double output shaft, and connect respectively with one end of the side transmission shaft, the side transmission shaft
The other end and the driver input axis connection, the output shaft of the driver connect with the upper end of the pillar panel, often
The lower end of one pillar panel is all connect with the wheel, and the torque of the motor passes to second driving shaft through speed reducer and passes through
It passes to driver after commutator conversion direction simultaneously respectively and then is turned to by the way that pillar panel band motor car wheel is synchronous.
4. a kind of steering system of fork truck according to claim 2, it is characterised in that: the double output shaft of the speed reducer hangs down
Directly.
5. a kind of steering system of fork truck according to claim 3, it is characterised in that: the double output shaft of the speed reducer is flat
Row.
6. a kind of steering system of fork truck according to claim 1, it is characterised in that: the output shaft of the driver and institute
State pillar panel be located at same straight line and all with horizontal plane.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811209967.5A CN109318986A (en) | 2018-10-17 | 2018-10-17 | A kind of steering system of fork truck |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811209967.5A CN109318986A (en) | 2018-10-17 | 2018-10-17 | A kind of steering system of fork truck |
Publications (1)
Publication Number | Publication Date |
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CN109318986A true CN109318986A (en) | 2019-02-12 |
Family
ID=65262879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811209967.5A Withdrawn CN109318986A (en) | 2018-10-17 | 2018-10-17 | A kind of steering system of fork truck |
Country Status (1)
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CN (1) | CN109318986A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104401395A (en) * | 2014-11-25 | 2015-03-11 | 广西大学 | Single-drive four-wheel steering mechanism based on worm gear and worm |
CN104477238A (en) * | 2014-12-30 | 2015-04-01 | 林庆玉 | 360-degree four-wheel steering agricultural vehicle |
CN106042915A (en) * | 2016-05-30 | 2016-10-26 | 山东凯大工程机械有限公司 | Four-wheel-drive and four-steering system for forklift |
CN106995000A (en) * | 2017-03-17 | 2017-08-01 | 安徽亿派通科技有限公司 | The 4 wheel driven dolly of four-wheel steering |
CN108583684A (en) * | 2018-05-26 | 2018-09-28 | 苏州智泉农业科技有限公司 | A kind of 4 wheel driven revolving support running gear and control method |
-
2018
- 2018-10-17 CN CN201811209967.5A patent/CN109318986A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104401395A (en) * | 2014-11-25 | 2015-03-11 | 广西大学 | Single-drive four-wheel steering mechanism based on worm gear and worm |
CN104477238A (en) * | 2014-12-30 | 2015-04-01 | 林庆玉 | 360-degree four-wheel steering agricultural vehicle |
CN106042915A (en) * | 2016-05-30 | 2016-10-26 | 山东凯大工程机械有限公司 | Four-wheel-drive and four-steering system for forklift |
CN106995000A (en) * | 2017-03-17 | 2017-08-01 | 安徽亿派通科技有限公司 | The 4 wheel driven dolly of four-wheel steering |
CN108583684A (en) * | 2018-05-26 | 2018-09-28 | 苏州智泉农业科技有限公司 | A kind of 4 wheel driven revolving support running gear and control method |
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PB01 | Publication | ||
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WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190212 |
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WW01 | Invention patent application withdrawn after publication |