CN205059726U - Electronic power assisted steering device of tricycle fork truck - Google Patents
Electronic power assisted steering device of tricycle fork truck Download PDFInfo
- Publication number
- CN205059726U CN205059726U CN201520780797.1U CN201520780797U CN205059726U CN 205059726 U CN205059726 U CN 205059726U CN 201520780797 U CN201520780797 U CN 201520780797U CN 205059726 U CN205059726 U CN 205059726U
- Authority
- CN
- China
- Prior art keywords
- shaft
- connecting rod
- wheel
- slide block
- assisted steering
- 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- Withdrawn - After Issue
Links
Landscapes
- Power Steering Mechanism (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model provides an electronic power assisted steering device of tricycle fork truck, includes steering wheel and ecu, the power assisted steering device still includes transmission shaft, helping hand motor and link mechanism, the motor shaft of helping hand motor pass through the clutch with the upper end of transmission shaft is connected, the cover is equipped with the spring on the connecting axle, be equipped with the potentiometer that is used for detecting connecting axle torque signal on the connection axle bed, the potentiometer with ecu connects, ecu respectively with helping hand motor, clutch, the lower extreme of transmission shaft is equipped with the driving gear, power output shaft's middle section is equipped with driven gear, driving gear and middle transmission gear engagement, the middle transmission gear with the driven gear meshing, power output shaft's lower extreme with the link mechanism linkage, link mechanism and the wheel connection. The utility model provides a more laborsaving, the easy electronic power assisted steering device of tricycle fork truck who maintains.
Description
Technical field
The utility model belongs to fork truck apparatus field, particularly a kind of three-wheel foklift truck electric power-assisted steering apparatus.
Background technology
The steering swivel system of tradition Purely mechanical, when turning to, the torque applied on the steering wheel by chaufeur completely makes wheel steering.When the speed of a motor vehicle is lower or load carrying ability is larger, the resistance that when turning to, wheel flutter is subject to will be very large, and chaufeur will realize turning to fast and accurately feeling abnormal effort under these circumstances.
At present, the servo steering system of fork truck generally adopts hydraulic control system, and not only difficulty of processing is large, unstable properties, and complicated layout, and the maintenance of fault difficulty, take up room large, noise is large, also usually occurs the problem of leakage of oil.When drive motor is positioned at directly over wheel, conventional steering mechanism effectively can not realize synchronously turning to and connectivity problem of bearing circle and wheel.
Summary of the invention
In order to overcome the deficiency of comparatively the requiring great effort of existing vertical fork truck servo steering device, not easy-maintaining, the utility model provides a kind of three-wheel foklift truck electric power-assisted steering apparatus of more laborsaving, easy-maintaining.
The utility model solves the technical scheme that its technical matters adopts:
A kind of three-wheel foklift truck electric power-assisted steering apparatus, comprise bearing circle and electronic control unit, described bearing circle is connected with the upper end of adapter shaft, the lower end of described adapter shaft is connected with the upper end of power take-off shaft by connection shaft seat, described servo steering device also comprises transmission shaft, assist motor and connecting rod mechanism, and the motor shaft of described assist motor is connected by the upper end of power-transfer clutch with described transmission shaft;
Described adapter shaft is set with spring, and described connection shaft seat is provided with the potentiometer detecting adapter shaft dtc signal, and described potentiometer is connected with described electronic control unit, and described electronic control unit is connected with described assist motor, power-transfer clutch respectively;
The lower end of described transmission shaft is provided with driving gear, the stage casing of described power take-off shaft is provided with driven gear, described driving gear engages with intermediate drive gear, described intermediate drive gear engages with described driven gear, lower end and the described connecting rod mechanism of described power take-off shaft link, and described connecting rod mechanism is connected with wheel.
Further, described connecting rod mechanism comprises slide block, first connecting rod, second connecting rod and pull bar, the upper end of described first connecting rod and the lower end of described power take-off shaft hinged, lower end and the described slide block of described first connecting rod are hinged, described slide block is arranged on horizontally disposed slide rail, it is secondary that described slide block and described slide rail form sway, the front end of described second connecting rod is by being connected with described slide block with the pilot bar that slide rail is arranged in parallel, the front end of described pilot bar is fixedly connected with the rear end of described slide block, the rear end of described pilot bar and the front end of described second connecting rod hinged, the rear end of described second connecting rod and the front end of described pull bar hinged, the rear end of described pull bar is connected with wheel, described pull bar be fixed on point articulated on vehicle frame and form revolute pair.
Further again, described electronic control unit is micro controller system.
The beneficial effects of the utility model are mainly manifested in: efficiently solve the problem that traditional mechanical steering gear turns to feel bad, avoid some defects of hydraulic pressure assisted steering device; Especially solve three-wheel foklift truck drive motor when being positioned at directly over wheel, conventional steering system effectively can not realize the problem synchronously turning to and connect of bearing circle and wheel.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of three-wheel foklift truck electric power-assisted steering apparatus.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
With reference to Fig. 1, a kind of three-wheel foklift truck electric power-assisted steering apparatus, comprise bearing circle 1 and electronic control unit 2, described bearing circle 1 is connected with the upper end of adapter shaft 3, the lower end of described adapter shaft 3 is connected with the upper end of power take-off shaft 5 by connection shaft seat 4, described servo steering device also comprises transmission shaft 7, assist motor 8 and connecting rod mechanism, and the motor shaft 81 of described assist motor 8 is connected with the upper end of described transmission shaft 7 by power-transfer clutch 16;
Described adapter shaft 3 is set with spring 17, described connection shaft seat 4 is provided with the potentiometer 18 detecting adapter shaft 3 dtc signal, described potentiometer 18 is connected with described electronic control unit 2, and described electronic control unit 2 is connected with described assist motor 8, power-transfer clutch 16 respectively;
The lower end of described transmission shaft 7 is provided with driving gear 11, the stage casing of described power take-off shaft 5 is provided with driven gear 9, described driving gear 11 engages with intermediate drive gear 10, described intermediate drive gear 10 engages with described driven gear 9, lower end and the described connecting rod mechanism of described power take-off shaft 5 link, and described connecting rod mechanism is connected with wheel 15.
Further, described connecting rod mechanism comprises slide block 20, first connecting rod 12, second connecting rod 13 and pull bar 14, the upper end of described first connecting rod 12 and the lower end of described power take-off shaft 5 hinged, lower end and the described slide block of described first connecting rod 12 are hinged, described slide block 20 is arranged on horizontally disposed slide rail 21, described slide block 20 forms sway pair with described slide rail 21, the front end of described second connecting rod 13 is by being connected with described slide block 20 with the pilot bar that slide rail 21 is arranged in parallel, the front end of described pilot bar is fixedly connected with the rear end of described slide block 20, the rear end of described pilot bar and the front end of described second connecting rod 13 hinged, the rear end of described second connecting rod 13 and the front end of described pull bar 14 hinged, the rear end of described pull bar 14 is connected with wheel 15, described pull bar 14 be fixed on point articulated on vehicle frame and form revolute pair.
Further again, described electronic control unit 2 is micro controller system.
In the present embodiment, when bearing circle 1 rotates, potentiometer 18 detects the angle that adapter shaft 3 turns over, and is converted into dtc signal; Around described adapter shaft 3, spring 17 is housed, disc spring 17 is positioned at above connection shaft seat 4, is fixed by spring bearer plate; The hypomere of described power take-off shaft 5 is arranged to declivity rear, forms certain turning with the stage casing of described power take-off shaft 5, and described pull bar 14 is in falling " V " font, and fall on the rotating hinged support in top of " V " font, fulcrum is fixed on vehicle frame; Described intermediate drive gear 10 is arranged in rotating shaft 6; Described slide rail 21 is arranged on vehicle frame; Electronic control unit 2 is called for short ECU, and ECU obtains optimum target VREF (Voltage Reference) or the electric current of assist motor 8 according to the dtc signal of bearing circle 1, thus drives assist motor 8 to produce certain power torque.
Working process of the present utility model is: when bearing circle 1 rotates, there is deformation in spring 17, produce certain displacement deviation, so potentiometer 18 records the dtc signal of bearing circle 1, and pass to electronic control unit 2, ECU obtains optimum target VREF (Voltage Reference) or the electric current of assist motor 8 through certain control policy according to the dtc signal of bearing circle 1, power-transfer clutch 16 is closed, assist motor 8 is driven to rotate, and then by gear transmission, transmission shaft 7 is rotated, band movable slider 20 sway on horizontal slide rail 21, thus make pull bar 14 pull wheel 15 to turn to, reach power-steering effect.
The utility model efficiently solves the problem that traditional mechanical steering gear turns to feel bad, avoid some defects of hydraulic pressure assisted steering device, especially solve three-wheel foklift truck drive motor when being positioned at directly over wheel, conventional steering system effectively can not realize the problem synchronously turning to and connect of bearing circle and wheel.
Claims (3)
1. a three-wheel foklift truck electric power-assisted steering apparatus, comprise bearing circle and electronic control unit, described bearing circle is connected with the upper end of adapter shaft, the lower end of described adapter shaft is connected with the upper end of power take-off shaft by connection shaft seat, it is characterized in that: described servo steering device also comprises transmission shaft, assist motor and connecting rod mechanism, the motor shaft of described assist motor is connected by the upper end of power-transfer clutch with described transmission shaft;
Described adapter shaft is set with spring, and described connection shaft seat is provided with the potentiometer detecting adapter shaft dtc signal, and described potentiometer is connected with described electronic control unit, and described electronic control unit is connected with described assist motor, power-transfer clutch respectively;
The lower end of described transmission shaft is provided with driving gear, the stage casing of described power take-off shaft is provided with driven gear, described driving gear engages with intermediate drive gear, described intermediate drive gear engages with described driven gear, lower end and the described connecting rod mechanism of described power take-off shaft link, and described connecting rod mechanism is connected with wheel.
2. a kind of three-wheel foklift truck electric power-assisted steering apparatus as claimed in claim 1, it is characterized in that: described connecting rod mechanism comprises slide block, first connecting rod, second connecting rod and pull bar, the upper end of described first connecting rod and the lower end of described power take-off shaft hinged, lower end and the described slide block of described first connecting rod are hinged, described slide block is arranged on horizontally disposed slide rail, it is secondary that described slide block and described slide rail form sway, the front end of described second connecting rod is by being connected with described slide block with the pilot bar that slide rail is arranged in parallel, the front end of described pilot bar is fixedly connected with the rear end of described slide block, the rear end of described pilot bar and the front end of described second connecting rod hinged, the rear end of described second connecting rod and the front end of described pull bar hinged, the rear end of described pull bar is connected with wheel, described pull bar be fixed on point articulated on vehicle frame and form revolute pair.
3. a kind of three-wheel foklift truck electric power-assisted steering apparatus as claimed in claim 1 or 2, is characterized in that: described electronic control unit is micro controller system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520780797.1U CN205059726U (en) | 2015-10-09 | 2015-10-09 | Electronic power assisted steering device of tricycle fork truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520780797.1U CN205059726U (en) | 2015-10-09 | 2015-10-09 | Electronic power assisted steering device of tricycle fork truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205059726U true CN205059726U (en) | 2016-03-02 |
Family
ID=55386316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520780797.1U Withdrawn - After Issue CN205059726U (en) | 2015-10-09 | 2015-10-09 | Electronic power assisted steering device of tricycle fork truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205059726U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216862A (en) * | 2015-10-09 | 2016-01-06 | 浙江工业大学 | A kind of three-wheel foklift truck electric power-assisted steering apparatus |
| CN113816299A (en) * | 2021-08-25 | 2021-12-21 | 浙江宇捷智能装备有限公司 | Novel counter-weight forklift based on electrical control system |
-
2015
- 2015-10-09 CN CN201520780797.1U patent/CN205059726U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216862A (en) * | 2015-10-09 | 2016-01-06 | 浙江工业大学 | A kind of three-wheel foklift truck electric power-assisted steering apparatus |
| CN113816299A (en) * | 2021-08-25 | 2021-12-21 | 浙江宇捷智能装备有限公司 | Novel counter-weight forklift based on electrical control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102673637A (en) | Electric power-assisted steering system for commercial vehicle | |
| CN205706842U (en) | Tandem type dual-motor electric servo steering system | |
| CN102431586A (en) | Integrated steering and suspension system | |
| CN202294949U (en) | Electric power steering system of off-highway vehicle | |
| CN205706843U (en) | Dual-motor electric servo steering system | |
| CN105675314A (en) | Automatic detection platform for electric power-assisted steering controller products | |
| CN205059726U (en) | Electronic power assisted steering device of tricycle fork truck | |
| CN105216862A (en) | A kind of three-wheel foklift truck electric power-assisted steering apparatus | |
| CN202827729U (en) | Trailer wheel steering device | |
| CN201080418Y (en) | Push-and-pull adjustable type hydraulic horizontal jack | |
| CN203293884U (en) | Large-tonnage double-drive four-supporting-point electric forklift | |
| CN201325483Y (en) | Hydraulic power double-steering device mechanism for five-axis heavy truck | |
| CN205059720U (en) | Electronic power assisted steering device of vertical fork truck | |
| CN203268122U (en) | Automobile four-wheel steering system | |
| CN205906039U (en) | Balanced heavy formula fork truck electricity power assisted steering device of three fulcrums | |
| CN105197101A (en) | Vertical-type forklift electric power-assisted steering device | |
| CN203372230U (en) | 100% low floor independent wheel power truck dual motor coaxial two-wheel synchronous driving mechanism | |
| CN201326692Y (en) | Angle transmission box of multi-axis heavy truck | |
| CN205387049U (en) | Remote control highway, dual -purpose tractor of railway | |
| CN204775461U (en) | Large -scale maize machine steering axle assembly | |
| CN201086737Y (en) | Vehicle steering servo-controlled system | |
| CN202963987U (en) | Cabinet body assembling device | |
| CN203902643U (en) | Steering mechanism for motor vehicle | |
| CN203372232U (en) | 100% low floor independent wheel power truck single motor coaxial two-wheel synchronous driving mechanism | |
| CN203854713U (en) | Automobile steering system and electric truck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160302 Effective date of abandoning: 20180302 |