CN205906039U - Balanced heavy formula fork truck electricity power assisted steering device of three fulcrums - Google Patents
Balanced heavy formula fork truck electricity power assisted steering device of three fulcrums Download PDFInfo
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- CN205906039U CN205906039U CN201620794423.XU CN201620794423U CN205906039U CN 205906039 U CN205906039 U CN 205906039U CN 201620794423 U CN201620794423 U CN 201620794423U CN 205906039 U CN205906039 U CN 205906039U
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Abstract
The utility model discloses a balanced heavy formula fork truck electricity power assisted steering device of three fulcrums, including installing the steering wheel assembly on the fork truck frame, steering wheel assembly is equipped with the lower part universal joint coupling assembly, a universal joint coupling lower part and the hookup of drive sprocket subassembly, the drive sprocket subassembly is through the 2nd universal joint coupling assembly and the hookup of driven sprocket subassembly, the driven sprocket subassembly again with the power transmission to turning to parts, the pinion that turns to on the parts drives the bull gear on the steering wheel assembly 0 assembly, realizes the rotation of steering wheel assembly 0 assembly. Turning to the inside helical gear of parts and driving the detection gear rotation, with displacement from top to bottom occasionally, this displacement causes the action of sharp potentiometre to provide signal to controller, the controller give -out order lets and turns to the motor action, turns to motor below pinion and drives the bull gear on the steering axle assembly, realizes electric power assisted steering. The utility model discloses realize electric power assisted steering on balanced heavy fork truck, the oil spill risk who has avoided hydraulic system probably to exist reaches the pollution to the environment.
Description
Technical field
The utility model is related to fork truck system regions, specifically a kind of three pivot counterweight motor-driven formula fork truck electric power steering dresses
Put.
Background technology
The development of modern logistics industry diversification, fork truck abundant species, and start to manipulating comfortable, energy-conserving and environment-protective etc.
Direction is developed, and has had very eurypalynous pure electric powered steering, electric power steering fork truck, the steering side of such fork truck in the market
Formula, than mechanical steering and fluid-link steering, has the advantages such as convenient, the light, energy-conserving and environment-protective of operation of steering.But in Forklift Industry, make
Use widest counterbalanced lift truck, at present mainly or by the way of fluid-link steering.
In order to make up prior art problem, the purpose of this utility model is to provide a kind of three pivot counterweight motor-drivens to content of the invention
Formula fork truck electric power steering device, transfers power to turning member by transmission device, on turning member, potentiometer sends letter
Number to controller control steer motor rotate, drive steeraxle rotate, realize electric power steering.
In order to achieve the above object, the technical scheme that the utility model is adopted is:
A kind of three pivot counterweight motor-driven formula fork truck electric power steering devices it is characterised in that: include:
The steering wheel assembly of fork truck；
First gimbal coupling assembly, it is vertically provided at below steering wheel assembly, the first gimbal coupling assembly
It is made up of with the universal joint being connected to shaft coupling upper and lower end vertical shaft coupling, in described steering wheel assembly, steering wheel shaft lower end connects
The universal joint of the first gimbal coupling assembly upper end；
Drive sprocket assembly, it is made up of the driving-chain of forward and backward sprocket wheel and the forward and backward sprocket wheel that is in transmission connection, wherein front sprocket wheel
Below the first gimbal coupling assembly, forward and backward centre of sprocket axle is vertically arranged respectively, and forward and backward centre of sprocket is divided
Coaxially it is not fixed with wheel shaft, the axle stub of sprocket wheel before the universal joint connection of described first gimbal coupling assembly lower end；
Second gimbal coupling assembly, it is vertically provided in the first drive sprocket assembly above rear sprocket wheel, and the 20000th
Identical with the first gimbal coupling assembly to section shaft coupling assembly structure, in the second gimbal coupling assembly, lower end is universal
Section connects the axle stub of rear sprocket wheel in drive sprocket assembly；
Driven sprocket assembly, it is identical with drive sprocket assembly structure, and in driven sprocket assembly, front sprocket wheel is arranged on second
Above gimbal coupling assembly, the universal joint of the second gimbal coupling assembly upper end connects front sprocket wheel in driven sprocket assembly
Axle stub；
The turning member of fork truck, has tooth sector group inside it, in driven sprocket assembly, the axle stub of rear sprocket wheel connects
Switch through to input gear center in gear train, the wheel shaft of output gear in tooth sector group be coaxially fixed with the first little gear,
Equipped with linear potentiometer in turning member, linear potentiometer is electrically connected with the controller of fork truck；
The steering axle assembly of fork truck, is fixed with bull gear thereon, the first little gear and steering axle assembly in turning member
Bull gear transmission engagement；
Steer motor, it is arranged on the side turning to axle assembly, the motor shaft of steer motor is coaxially fixed with second little
Gear, and the second little gear engage with turning to bull gear transmission on axle assembly, the control end of steer motor and the controller of fork truck
Electrical connection.
Described one kind three pivot counterweight motor-driven formula fork truck electric power steering device it is characterised in that: in described turning member
Portion's tooth sector group at least includes a helical gear and a detection gear, and this helical gear is engaged with detection gear drive, by oblique
Gear driven detection pinion rotation and upper and lower straight-line displacement, described linear potentiometer is arranged on turning member housing, straight-line electric
Position device projecting shaft is vertically contacted with detection gear, and it is dynamic that the detection upper and lower straight-line displacement of gear causes linear potentiometer projecting shaft to stretch
Make, so that linear potentiometer obtains signal, the straight-line displacement up and down of detection detection gear.
Described one kind three pivot counterweight motor-driven formula fork truck electric power steering device it is characterised in that: described steering axle assembly
On be also equipped with potentiometer, this potentiometer is electrically connected with the controller of fork truck, and potentiometer is arranged on steeraxle assembly shell, current potential
Device projecting shaft is connected with turning to axle assembly jackshaft, and steeraxle jackshaft rotational band electrokinetic potential device projecting shaft rotates, so that electric
Position device obtains steering angle information, is detected by this potentiometer and turns to the steering angle of axle assembly and send signal to controller.
The utility model has the advantages that:
The utility model realizes electric power steering on Counterbalanced forklift, instead of traditional hydrostatic steering system, energy-conservation
Environmental protection, operates comfortable convenient, low noise, it is to avoid hydraulic system oil leak that may be present risk and the pollution to environment.
Brief description
Fig. 1 is structural representation of the present utility model.
Specific embodiment
As shown in figure 1, a kind of three pivot counterweight motor-driven formula fork truck electric power steering devices, comprising:
The steering wheel assembly 1 of fork truck；
First gimbal coupling assembly 2, it is vertically provided at below steering wheel assembly 1, and the first gimbal coupling is total
2 are become to be made up of vertical shaft coupling 2.1 and the universal joint 2.2 being connected to shaft coupling 2.1 upper and lower end, steering wheel shaft in steering wheel assembly 1
Lower end connects the universal joint of the first gimbal coupling assembly 2 upper end；
Drive sprocket assembly 3, it is by the driving-chain of forward and backward sprocket wheel 3.1,3.2 and the forward and backward sprocket wheel 3.1,3.2 that is in transmission connection
3.3 compositions, wherein front sprocket wheel 3.1 is located at below the first gimbal coupling assembly 2, and forward and backward sprocket wheel 3.1,3.2 central shafts are respectively
Vertically arrange, and forward and backward sprocket wheel 3.1,3.2 centers are coaxially fixed with wheel shaft respectively, the first gimbal coupling assembly 2 lower end
Universal joint connect before sprocket wheel 3.1 axle stub；
Second gimbal coupling assembly 4, it is vertically provided in the first drive sprocket assembly 3 above rear sprocket wheel 3.2, the
Two gimbal coupling assembly 4 structure is identical with the first gimbal coupling assembly 2, in the second gimbal coupling assembly 4 under
The universal joint 4.1 at end connects the axle stub of rear sprocket wheel 3.2 in drive sprocket assembly 3；
Driven sprocket assembly 5, it is identical with drive sprocket assembly 3 structure, and in driven sprocket assembly 5, front sprocket wheel 5.1 is arranged
Above the second gimbal coupling assembly 4, the universal joint 4.2 of the second gimbal coupling assembly 4 upper end connects driven sprocket
The axle stub of front sprocket wheel 5.1 in assembly 5；
The turning member 6 of fork truck, has tooth sector group inside it, the wheel shaft axle of rear sprocket wheel 5.2 in driven sprocket assembly 5
End connects input gear center in tooth sector group, and the wheel shaft of output gear in tooth sector group is coaxially fixed with the first little tooth
Wheel 6.1, equipped with linear potentiometer 6.2 in turning member 6, linear potentiometer 6.2 is electrically connected with the controller of fork truck；
The steering axle assembly 7 of fork truck, is fixed with bull gear 7.1 thereon, the first little gear 6.1 and steering in turning member 6
The bull gear 7.1 transmission engagement of axle assembly 7；
Steer motor 8, it is arranged on the side turning to axle assembly 7, and the motor shaft of steer motor 8 is coaxially fixed with second
Little gear, and the second little gear engage with turning to bull gear 7.1 transmission on axle assembly 7, the control end of steer motor 8 and fork truck
Controller electrically connects.
Turning member 6 internal turn gear train at least includes a helical gear and a detection gear, this helical gear and inspection
Survey gear drive engagement, detection pinion rotation and upper and lower straight-line displacement are driven by helical gear, linear potentiometer 6.2 is arranged on steering
On part case, linear potentiometer projecting shaft is vertically contacted with detection gear, and the detection upper and lower straight-line displacement of gear causes straight-line electric
Position device projecting shaft expanding-contracting action, so that linear potentiometer obtains signal, the straight-line displacement up and down of detection detection gear.
Turn to and be also equipped with potentiometer 7.2 on axle assembly 7, this potentiometer 7.2 is electrically connected with the controller of fork truck, potentiometer
7.2 are arranged on steeraxle assembly shell, and potentiometer 7.2 projecting shaft is connected with turning to axle assembly jackshaft, steeraxle jackshaft
Rotational band electrokinetic potential device projecting shaft rotates, so that potentiometer 7.2 obtains steering angle information, is detected by this potentiometer 7.2 and turns
To the steering angle of axle assembly 7 and send signal to controller.
The utility model includes steering wheel assembly 1, is connected to the first gimbal coupling assembly of steering wheel assembly 1 bottom
2, the first gimbal coupling assembly 2 is connected with the drive sprocket assembly 3 of bottom, and car body rear is provided with driven sprocket assembly 5,
Driving-chain in driving and driven chain wheel assembly is respectively adopted roller chain.
Drive sprocket assembly 3 top is equipped with the second gimbal coupling assembly 4, the second gimbal coupling assembly 4 top
Be connected with driven sprocket assembly 5, in driven sprocket assembly 5 after sprocket wheel be connected with turning member 6, equipped with the below turning member 6
One little gear 6.1, the first little gear 6.1 engages with turning to the bull gear 7.1 on axle assembly 7.
It is also equipped with little gear below steer motor 8, engage with bull gear 7.1.
Wherein steering wheel assembly 1, drive sprocket assembly 3, driven sprocket assembly 5, turning member 6, steer motor 8, steering
Axle assembly 7 is all fixed on car body.
Equipped with linear potentiometer 6.2 on turning member 6, turn on axle assembly 7 equipped with potentiometer 7.2.
The utility model is embodied as follows:
Rotation direction disc assembly 1, transfers power to drive sprocket assembly 3 by the first gimbal coupling assembly 2, main
Forward and backward sprocket wheel in movable sprocket assembly 3 transmits power by roller chain.Drive sprocket assembly 3 passes through the second gimbal coupling
Assembly 4 imparts power to driven sprocket assembly 5, and the forward and backward sprocket wheel in driven sprocket assembly 5 is transmitted power to by roller chain
On turning member 6, the first little gear 6.1 of turning member 6 lower section is engaged with bull gear 7.1, drives steering axle assembly 7 to rotate.
Now so that steeraxle is rotated for manpower, turn to heavier, in the case of short of electricity or electrical malfunction, still can be by this side
Formula makes fork-truck steering.
Under normal condition, when turning member 6 rotates, internal helical drives detection pinion rotation, has upper and lower displacement simultaneously,
This displacement causes linear potentiometer 6.2 action, and provides signal to controller, and controller sends instruction and allows steer motor 8 action,
Steer motor 8 lower section the second little gear drives the bull gear 7.1 turning on axle assembly 7, realizes turning to the rotation of axle assembly 7, this
Shi Shixian electric power steering, turns to light comfortable.
Turn to equipped with potentiometer 7.2 on axle assembly 7, potentiometer 7.2 detection steering angle simultaneously issues a signal to controller, control
Device processed controls motor differential to run.
Claims (3)
1. a kind of three pivot counterweight motor-driven formula fork truck electric power steering devices it is characterised in that: include:
The steering wheel assembly of fork truck；
First gimbal coupling assembly, it is vertically provided at below steering wheel assembly, and the first gimbal coupling assembly is by erecting
To shaft coupling and be connected to shaft coupling upper and lower end universal joint constitute, in described steering wheel assembly steering wheel shaft lower end connect first
The universal joint of gimbal coupling assembly upper end；
Drive sprocket assembly, it is made up of the driving-chain of forward and backward sprocket wheel and the forward and backward sprocket wheel that is in transmission connection, and wherein front sprocket wheel is located at
Below first gimbal coupling assembly, forward and backward centre of sprocket axle is vertically arranged respectively, and forward and backward centre of sprocket is same respectively
Axle is fixed with wheel shaft, the axle stub of sprocket wheel before the universal joint connection of described first gimbal coupling assembly lower end；
Second gimbal coupling assembly, it is vertically provided in the first drive sprocket assembly above rear sprocket wheel, the second universal joint
Shaft coupling assembly structure is identical with the first gimbal coupling assembly, and in the second gimbal coupling assembly, the universal joint of lower end connects
Connect the axle stub of sprocket wheel after in drive sprocket assembly；
Driven sprocket assembly, it is identical with drive sprocket assembly structure, and in driven sprocket assembly, to be arranged on second universal for front sprocket wheel
Above section shaft coupling assembly, the universal joint of the second gimbal coupling assembly upper end connects the wheel of front sprocket wheel in driven sprocket assembly
Axle axle head；
The turning member of fork truck, has tooth sector group inside it, in driven sprocket assembly, the axle stub of rear sprocket wheel connects and turns
The input gear center in gear train, the wheel shaft of output gear in tooth sector group is coaxially fixed with the first little gear, turns to
Equipped with linear potentiometer in part, linear potentiometer is electrically connected with the controller of fork truck；
The steering axle assembly of fork truck, is fixed with bull gear thereon, the first little gear and the canine tooth turning to axle assembly in turning member
Circle transmission engagement；
Steer motor, it is arranged on the side turning to axle assembly, and the motor shaft of steer motor is coaxially fixed with the second little gear,
And second little gear with turn to axle assembly on bull gear transmission engage, the control end of steer motor is electrically connected with the controller of fork truck
Connect.
2. a kind of three pivot counterweight motor-driven formula fork truck electric power steering devices according to claim 1 it is characterised in that: institute
State turning member internal turn gear train and at least include a helical gear and a detection gear, this helical gear is passed with detection gear
Dynamic engagement, drives detection pinion rotation and upper and lower straight-line displacement by helical gear, and described linear potentiometer is arranged on turning member shell
On body, linear potentiometer projecting shaft is vertically contacted with detection gear, and the detection upper and lower straight-line displacement of gear causes linear potentiometer to stretch
Shaft expanding-contracting action, so that linear potentiometer obtains signal, the straight-line displacement up and down of detection detection gear.
3. a kind of three pivot counterweight motor-driven formula fork truck electric power steering devices according to claim 1 it is characterised in that: institute
State and be also equipped with potentiometer on steering axle assembly, this potentiometer is electrically connected with the controller of fork truck, and it is total that potentiometer is arranged on steeraxle
Become on housing, potentiometer projecting shaft is connected with turning to axle assembly jackshaft, steeraxle jackshaft rotational band electrokinetic potential device projecting shaft
Rotate, so that potentiometer obtains steering angle information, detected by this potentiometer and turn to the steering angle of axle assembly and send letter
Number to controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620794423.XU CN205906039U (en) | 2016-07-27 | 2016-07-27 | Balanced heavy formula fork truck electricity power assisted steering device of three fulcrums |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620794423.XU CN205906039U (en) | 2016-07-27 | 2016-07-27 | Balanced heavy formula fork truck electricity power assisted steering device of three fulcrums |
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| Publication Number | Publication Date |
|---|---|
| CN205906039U true CN205906039U (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620794423.XU Active CN205906039U (en) | 2016-07-27 | 2016-07-27 | Balanced heavy formula fork truck electricity power assisted steering device of three fulcrums |
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| CN (1) | CN205906039U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143598A (en) * | 2016-07-27 | 2016-11-23 | 合肥搬易通科技发展有限公司 | A kind of three pivot counterweight motor-driven formula fork truck electric power steering devices |
| CN109109567A (en) * | 2018-08-09 | 2019-01-01 | 安徽宇锋仓储设备有限公司 | A kind of fork truck steering and balancing device |
| CN111943091A (en) * | 2020-09-18 | 2020-11-17 | 安徽合力股份有限公司 | Control method for hydraulic steering of forklift and hydraulic steering system |
-
2016
- 2016-07-27 CN CN201620794423.XU patent/CN205906039U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143598A (en) * | 2016-07-27 | 2016-11-23 | 合肥搬易通科技发展有限公司 | A kind of three pivot counterweight motor-driven formula fork truck electric power steering devices |
| CN109109567A (en) * | 2018-08-09 | 2019-01-01 | 安徽宇锋仓储设备有限公司 | A kind of fork truck steering and balancing device |
| CN111943091A (en) * | 2020-09-18 | 2020-11-17 | 安徽合力股份有限公司 | Control method for hydraulic steering of forklift and hydraulic steering system |
| CN111943091B (en) * | 2020-09-18 | 2023-12-22 | 安徽合力股份有限公司 | Control method for hydraulic steering of forklift and hydraulic steering system |
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| GR01 | Patent grant |