CN204296851U - A kind of fork truck electricity steering operation Force control system - Google Patents
A kind of fork truck electricity steering operation Force control system Download PDFInfo
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- CN204296851U CN204296851U CN201420803873.1U CN201420803873U CN204296851U CN 204296851 U CN204296851 U CN 204296851U CN 201420803873 U CN201420803873 U CN 201420803873U CN 204296851 U CN204296851 U CN 204296851U
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Abstract
The utility model belongs to industrial vehicle course changing control technical field, be specifically related to a kind of fork truck electricity steering operation Force control system, comprise electric steering direction disk control unit, steering controller, turn to actr and supply unit, described bearing circle control setup comprises sensor, described sensor comprises the damping arrangement of rotation angle detecting apparatus and adaptive damping, the signal output part of described rotation angle detecting apparatus is connected to steering controller, the signal output part of described steering controller is connected to damping arrangement, described steering controller also has signal output part simultaneously and is connected to and turns to actr.Control system described in the utility model turns to work requirements that is frequent and pivot turn when meeting forklift workability, improve operating efficiency and driving safety.
Description
Technical field
The utility model belongs to industrial vehicle course changing control technical field, is specifically related to a kind of fork truck electricity steering operation Force control system.
Background technology
Fork truck belongs to a kind of conventional industrial vehicle, for carrying and handling goods, is widely used in the short-haul operation places such as goods yard, harbour, warehouse, has fork truck quantity both at home and abroad very huge.Work places and the running lanes of fork truck are narrow, turn to frequent, and often need pivot turn during operation, therefore steering swivel system to the operating efficiency of fork truck and driving safety most important.
At present, the electric steering direction disk control unit that fork truck adopts, is setting angle or position transduser on the steering wheel, in order to detect the change of steering wheel angle, is realized the change of steering wheel angle afterwards by steering controller.Because this direction disk control unit does not have corresponding operating effort generation device, the operating effort of bearing circle is kicked the beam.And bearing circle control setup and steering hardware adopt is be electrically connected, fork truck is when turning to, and the operating effort suffered by steering hardware cannot pass to chaufeur by bearing circle.Therefore, chaufeur can not experience the change of road conditions, can not adjust driver behavior in time, greatly reduces traveling comfort and the safety of car load.
Utility model content
Control system energy high sensitivity perception road conditions described in the utility model, and the operating effort of continuous variable is provided, be applicable to the crowded narrow Work places of fork truck, turn to work requirements that is frequent and pivot turn when meeting forklift workability, improve operating efficiency and driving safety.For achieving the above object, the utility model have employed following technical scheme: a kind of fork truck electricity steering operation Force control system, comprise electric steering direction disk control unit, steering controller, turn to actr and supply unit, described electric steering direction disk control unit comprises bearing circle, sensor and mounting bracket, described sensor comprises the damping arrangement of rotation angle detecting apparatus and variable damping force, the signal output part of described rotation angle detecting apparatus is connected to steering controller by signal wire (SW), the signal output part of described steering controller is connected to damping arrangement by signal wire (SW), described steering controller is also had signal output part simultaneously and is connected to by signal wire (SW) and turns to actr, also comprise car speed sensor and steered wheel angle sensor in operating effort control system, described car speed sensor and steered wheel angle sensor are equipped with signal output part and are connected to steering controller by signal wire (SW).
Sensor in described electric steering direction disk control unit and bearing circle are all installed on mounting bracket, sensor in described bearing circle control setup is installed in the bottom of steering wheel shaft, described mounting bracket is hinged on forklift frame, and described electric steering direction disk control unit regulates by mounting bracket and tilts forward and back angle.
Compared with prior art, the utility model has following beneficial effect:
(1) in control system described in the utility model, electricity steering direction disk control unit is integrated with the damping arrangement of steering wheel angle detecting device and variable damping force, rotation angle detecting apparatus by steering wheel angle Signal transmissions to steering controller, the signal of steering controller overall speed sensor, steered wheel angle sensor again, control damping arrangement and produce corresponding linear operation power, and then make chaufeur real-time perception to the change of road conditions by bearing circle, improve the ability of chaufeur perception condition of road surface;
(2) control system energy high sensitivity perception road conditions described in the utility model, and the operating effort of continuous variable is provided, be applicable to the crowded narrow Work places of fork truck, turn to work requirements that is frequent and pivot turn when meeting forklift workability, improve operating efficiency and driving safety;
(3) electric steering direction disk control unit compact structure described in the utility model, simple installation, and compatible good, can use after more changing device, upgrading steering controller software.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model electricity steering direction disk control unit;
Fig. 3 is the homologous thread figure of the speed of a motor vehicle and steering wheel operation power in embodiment;
Fig. 4 is the homologous thread figure of steering wheel angle and steering wheel operation power in embodiment;
In figure: 1-bearing circle, 2-sensor, 3-rotation angle detecting apparatus, 4-damping arrangement, 5-steering controller, 6-turns to actr, 7-car speed sensor, 8-steered wheel angle sensor, 9-mounting bracket.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described:
As Fig. 1, shown in 2, a kind of fork truck electricity steering operation Force control system, comprise electric steering direction disk control unit, steering controller 5, turn to actr 6 and supply unit, described electric steering direction disk control unit comprises bearing circle 1, sensor 2 and mounting bracket 9, described sensor 2 comprises the damping arrangement 4 of rotation angle detecting apparatus 3 and variable damping force, the signal output part of described rotation angle detecting apparatus 3 is connected to steering controller 5 by signal wire (SW), the signal output part of described steering controller 5 is connected to damping arrangement 4 by signal wire (SW), described steering controller 5 is also had signal output part simultaneously and is connected to by signal wire (SW) and turns to actr 6, also comprise car speed sensor 7 and steered wheel angle sensor 8 in operating effort control system, described car speed sensor 7 and steered wheel angle sensor 8 are equipped with signal output part and are connected to steering controller 5 by signal wire (SW).
Bearing circle 1 in described electric steering direction disk control unit and sensor 2 are all located on mounting bracket 9 admittedly, sensor in described bearing circle control setup is installed in the bottom of steering wheel shaft, described mounting bracket 9 is hinged on forklift frame, and described electric steering direction disk control unit regulates by mounting bracket 9 and tilts forward and back angle.
When being specifically used in vehicle operating, rotation angle detecting apparatus 3 detect bearing circle 1 corner size and by the signal real-time Transmission of correspondence to steering controller 5; Meanwhile, car speed sensor 7, steered wheel angle sensor 8 by the vehicle speed signal of Real-time Collection, steered wheel angle Signal transmissions to steering controller 5; The signal that steering controller 5 Integrated Receiver arrives, be real-time transmitted to damping arrangement 4 according to the corresponding signal of the Program Generating be stored in course changing control, described damping arrangement 4 changes voltage, magnetic field or electric field according to the signal received, cause described damping arrangement that the distortion of significant reversible machine occurs, and then produce linearly controlled operating effort; Chaufeur passes through the change real-time perception of bearing circle 1 operating effort to road conditions, and then judges the steering operation of next step bearing circle 1, and steering wheel rotation 1; Steering controller 5 receives the size of bearing circle 1 corner that rotation angle detecting apparatus 3 detects again, and by the signal real-time Transmission of correspondence to steering controller 5, steering controller 5 one aspect repeats Integrated Receiver the operation of processing signals, on the other hand by steering operation Signal transmissions to turning to actr 6 to change the travel direction of vehicle.
The fork truck of above-mentioned electric steering operation Force control system is adopted to achieve following function:
(1) speed of a motor vehicle as shown in Figure 3 and steering wheel operation power homologous thread, when fork truck low speed or pivot stud, bearing circle 1 operating effort is little, light to make to turn to; During vehicle high-speed, bearing circle 1 operating effort is large, to turn to accurate control;
(2) deflection angle as shown in Figure 4 and steering wheel operation power homologous thread, steering wheel angle is 0 ° time, and bearing circle 1 operating effort is little; During dead point, steering wheel angle left and right, bearing circle 1 operating effort is large, so that chaufeur perception steer wheel position.
Above embodiment is not limited only to protection domain of the present utility model, and all amendments of carrying out based on basic thought of the present utility model or variation all belong to protection domain of the present utility model.
Claims (2)
1. a fork truck electricity steering operation Force control system, comprise electric steering direction disk control unit, steering controller, turn to actr and supply unit, described electric steering direction disk control unit comprises bearing circle, sensor and mounting bracket, it is characterized in that: described sensor comprises the damping arrangement of rotation angle detecting apparatus and variable damping force, the signal output part of described rotation angle detecting apparatus is connected to steering controller by signal wire (SW), the signal output part of described steering controller is connected to damping arrangement by signal wire (SW), described steering controller is also had signal output part simultaneously and is connected to by signal wire (SW) and turns to actr, also comprise car speed sensor and steered wheel angle sensor in operating effort control system, described car speed sensor and steered wheel angle sensor are equipped with signal output part and are connected to steering controller by signal wire (SW).
2. fork truck electricity steering operation Force control system according to claim 1, it is characterized in that: the sensor in described electric steering direction disk control unit and bearing circle are all installed on mounting bracket, sensor in described bearing circle control setup is installed in the bottom of steering wheel shaft, described mounting bracket is hinged on forklift frame, and described electric steering direction disk control unit regulates by mounting bracket and tilts forward and back angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420803873.1U CN204296851U (en) | 2014-12-18 | 2014-12-18 | A kind of fork truck electricity steering operation Force control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420803873.1U CN204296851U (en) | 2014-12-18 | 2014-12-18 | A kind of fork truck electricity steering operation Force control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204296851U true CN204296851U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420803873.1U Active CN204296851U (en) | 2014-12-18 | 2014-12-18 | A kind of fork truck electricity steering operation Force control system |
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| CN (1) | CN204296851U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106274486A (en) * | 2016-08-31 | 2017-01-04 | 长沙中联恒通机械有限公司 | A kind of steering control apparatus of fork truck and method |
| CN111762258A (en) * | 2019-03-30 | 2020-10-13 | 吉林微思智能科技有限公司 | Hidden steering wheel |
| CN111924002A (en) * | 2020-08-10 | 2020-11-13 | 浙江吉利新能源商用车集团有限公司 | Electromagnetic damping steering device and electromagnetic damping steering method for vehicle |
-
2014
- 2014-12-18 CN CN201420803873.1U patent/CN204296851U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106274486A (en) * | 2016-08-31 | 2017-01-04 | 长沙中联恒通机械有限公司 | A kind of steering control apparatus of fork truck and method |
| CN106274486B (en) * | 2016-08-31 | 2019-02-15 | 长沙中联恒通机械有限公司 | A kind of steering control apparatus of fork truck and method |
| CN111762258A (en) * | 2019-03-30 | 2020-10-13 | 吉林微思智能科技有限公司 | Hidden steering wheel |
| CN111924002A (en) * | 2020-08-10 | 2020-11-13 | 浙江吉利新能源商用车集团有限公司 | Electromagnetic damping steering device and electromagnetic damping steering method for vehicle |
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