CN203727462U - Forklift steering axle - Google Patents
Forklift steering axle Download PDFInfo
- Publication number
- CN203727462U CN203727462U CN201420061068.6U CN201420061068U CN203727462U CN 203727462 U CN203727462 U CN 203727462U CN 201420061068 U CN201420061068 U CN 201420061068U CN 203727462 U CN203727462 U CN 203727462U
- Authority
- CN
- China
- Prior art keywords
- steering
- hydraulic
- speed reduction
- reduction gearing
- axle
- 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.)
- Expired - Fee Related
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Abstract
Provided is a forklift steering axle. The forklift steering axle is provided with an axle body, wherein a vertical central line of the axle body and a central line of an axle where two steering wheels are installed are vertically arranged crosswise and enable the steering wheels to horizontally rotate for 180 degrees, the upper end of the axle body is fixed at the lower portion of the rear portion of a vehicle body, the vehicle body is provided with a driving mechanism and a speed reducing mechanism, and the driving mechanism and a vehicle control system are connected and control horizontal rotation or straight running of the steering wheels through the speed reducing mechanism. The vertical central line of the axle body and the central line of the axle where two steering wheels are installed form a cross layout structure, adopt double-tire arrangement and can enable the steering wheels to horizontally rotate for 180 degrees, the axle is flexible in steering, small in resistance and good in bearing capacity, an angle detection device is in butt joint with the vehicle control system, the accurate steering control demand during unmanned driving of an electric vehicle can be met, and the forklift steering axle is suitable for fuel forklift, an electric forklift and other small-steering-radius vehicles.
Description
Technical field
The utility model belongs to fork truck technical field, is specifically related to a kind of forklift steering bridge.
Background technology
Existing forklift steering bridge, steering angle is 172 ° to the maximum, and the steeraxle of this kind of structure turns to that heavy resistance is large flexibly, weight capacity is poor, when basic out of reach propons drives turning, turning center is on vehicle front axle centre, so turn radius and turn control are just different, and turning to of existing forklift steering bridge can not accurately control, can only manual operation, can not adopt unmanned automation mechanized operation, therefore be necessary to improve.
Utility model content
The technical matters that the utility model solves: a kind of forklift steering bridge is provided, the line of centers of the wheel shaft of two wheel flutters of the vertical line of centers of pontic and installation is arranged vertically and is crosswise, can realize the wheel flutter 180 ° of rotations in left and right, steeraxle is provided with speed reduction gearing, adopt HM Hydraulic Motor or motor drive axle body left-right rotation or craspedodrome, pontic is provided with angle detection device simultaneously.
The technical solution adopted in the utility model: forklift steering bridge, there is pontic, the vertical line of centers of described pontic and the line of centers of wheel shaft that two wheel flutters are installed are arranged vertically and are crosswise and make the wheel flutter 180 ° of rotations in left and right, pontic upper end is fixed on rear vehicle lower end, described car body is provided with driver train and speed reduction gearing, and described driver train is connected with vehicle control system and by speed reduction gearing control wheel flutter left-right rotation or craspedodrome.
Further, on described pontic, be also provided with angle detection device, the detection signal of wheel shaft rotational angle is fed back to vehicle control system by described angle detection device, and described vehicle control system reaches closed loop according to feedback signal to the steering angle correction of wheel flutter and accurately controls.
Preferred version one: described driver train is motor, described vehicle control system output termination input end of motor, described motor output end connects speed reduction gearing input end, and described speed reduction gearing drives wheel flutter left-right rotation or craspedodrome.
Preferred version two: described driver train is HM Hydraulic Motor, described vehicle control system output termination hydraulic power unit input end, described hydraulic power unit output termination hydraulic control unit input end control hydraulic flow direction and flow, described hydraulic control unit drives HM Hydraulic Motor to rotate, described HM Hydraulic Motor output termination speed reduction gearing input end, described speed reduction gearing drives wheel flutter left-right rotation or craspedodrome.
Preferred version three: described driver train is HM Hydraulic Motor, Hydraulic Pump output termination hydraulic steering gear input end, described hydraulic steering gear output termination HM Hydraulic Motor input end, described HM Hydraulic Motor output termination speed reduction gearing input end, described speed reduction gearing drives wheel flutter left-right rotation or craspedodrome, and the mechanical differential gear box of simultaneously installing on drive axle adapts to the steering angle of drive wheel the output torque of automatic synchronization two drive wheels automatically realizes the steering manipulation of fork truck.
The utility model compared with prior art vertical line of centers of pontic is arranged vertically and is crosswise with the line of centers of wheel shaft that two wheel flutters are installed, can realize the wheel flutter 180 ° of rotations in left and right, it is flexible that this takes turns axle steer, resistance is little, weight capacity is strong, angle detection device docks with vehicle control system, can realize elec. vehicle driverless operation time, turns to accurate demand for control, is applicable to the tight turn radius vehicle of fuel oil fork truck or electri forklift.
Brief description of the drawings
Fig. 1 is the utility model the first example structure front view;
Fig. 2 is the utility model the first example structure birds-eye view;
Fig. 3 is the utility model the second example structure front view;
Fig. 4 is the utility model the 3rd example structure front view;
Fig. 5 is the utility model the 3rd example structure birds-eye view.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-2, the first embodiment of the present utility model is described.
Forklift steering bridge, there is pontic 1, described pontic 1 line of centers and the line of centers of wheel shaft 12 that two wheel flutters 2 are installed are arranged vertically and are crosswise and make wheel flutter 180 ° of 2 left and right rotation, pontic 1 upper end is fixed on car body 14 front lower ends, described car body 14 is provided with driver train and speed reduction gearing 3, described driver train is connected with vehicle control system 6 and drives wheel flutter 2 left-right rotation or craspedodrome by speed reduction gearing 3, specifically, described driver train is motor 4, described vehicle control system 6 is exported termination motor 4 input ends, described motor 4 is exported termination speed reduction gearing 3 input ends, described speed reduction gearing 3 drives wheel flutter 2 left-right rotation or craspedodrome.On described pontic 1, be also provided with angle detection device 5, the detection signal of wheel shaft 12 rotational angles is fed back to vehicle control system 6 by described angle detection device 5, and described vehicle control system 6 reaches closed loop according to feedback signal to the steering angle correction of wheel flutter 2 and accurately controls.
Principle of work: when the utility model adopts motor 4 to drive, need output motor to drive parameter by vehicle control system 6 according to program, drive motor 4 turns round, vehicle control system 6 is arrived in the detection signal immediate feedback of wheel flutter 2 rotational angles by angle detection device 5 simultaneously, vehicle control system 6 is revised the steering angle of wheel flutter 2 according to feedback signal, accurately controls requirement thereby reach closed loop.
Below in conjunction with accompanying drawing 3, the second embodiment of the present utility model is described.
Forklift steering bridge, there is pontic 1, the vertical line of centers of described pontic 1 and the line of centers of wheel shaft 12 that two wheel flutters 2 are installed are arranged vertically and are crosswise and make wheel flutter 180 ° of 2 left and right rotation, pontic 1 upper end is fixed on car body 14 front lower ends, described car body 14 is provided with driver train and speed reduction gearing 3, described driver train is connected with vehicle control system 6 and drives wheel flutter 2 left-right rotation or craspedodrome by speed reduction gearing 3, specifically, described driver train is HM Hydraulic Motor 7, described vehicle control system 6 is exported termination hydraulic power unit 8 input ends, described hydraulic power unit 8 is exported termination hydraulic control unit 9 input end control hydraulic flow direction and flows, described hydraulic control unit 9 drives HM Hydraulic Motor 7 to rotate, described HM Hydraulic Motor 7 is exported termination speed reduction gearing 3 input ends, described speed reduction gearing 3 drives wheel flutter 2 left-right rotation or craspedodrome.On described pontic 1, be also provided with angle detection device 5, the detection signal of wheel shaft 12 rotational angles is fed back to vehicle control system 6 by described angle detection device 5, and described vehicle control system 6 reaches closed loop according to feedback signal to the steering angle correction of wheel flutter 2 and accurately controls.
Principle of work: when the utility model HM Hydraulic Motor 7 drives, need output motor to drive parameter by vehicle control system 6 according to program, drive hydraulic power unit 8 to turn round, control hydraulic flow direction and flow, pressure etc. by hydraulic control unit 9, drive HM Hydraulic Motor 7 to rotate, meet and turn to requirement; Angle detection device 5 is by the detection signal immediate feedback of wheel shaft 12 rotational angles to vehicle control system 6 simultaneously, and vehicle control system 6 is revised the steering angle of wheel flutter 2 according to feedback signal, accurately controls requirement thereby reach closed loop.
Below in conjunction with accompanying drawing 4-5, the third embodiment of the present utility model is described.
Forklift steering bridge, there is pontic 1, the vertical line of centers of described pontic 1 and the line of centers of wheel shaft 12 that two wheel flutters 2 are installed are arranged vertically and are crosswise and make wheel flutter 180 ° of 2 left and right rotation, pontic 1 upper end is fixed on car body 14 front lower ends, described car body 14 is provided with driver train and speed reduction gearing 3, described driver train drives wheel flutter 2 left-right rotation or craspedodrome by speed reduction gearing 3, specifically, described driver train is HM Hydraulic Motor 7, Hydraulic Pump 10 is exported termination hydraulic steering gear 11 input ends, described hydraulic steering gear 11 is exported termination HM Hydraulic Motor 7 input ends, described HM Hydraulic Motor 7 is exported termination speed reduction gearing 3 input ends, described speed reduction gearing 3 drives wheel flutter 2 left-right rotation or craspedodrome, the automatic adaptation steering angle of drive wheel 16 of mechanical differential gear box 13 of simultaneously installing on drive axle 15 output torque of automatic synchronization two drive wheels 16 realize the steering manipulation of fork truck.
Principle of work: when the utility model is applicable to fuel power type fork truck, HM Hydraulic Motor 7 directly, by the Hydraulic Pump 10 output hydraulic pressure power of fork truck, drives through hydraulic steering gear 11 output hydraulic pressure oil, and the steering angle of wheel shaft 12 is without detection.The mechanical differential gear box 13 of the drive axle 15 of fork truck can adapt to the steering angle of drive wheel 16 output torque of automatic synchronization drive wheel 16 automatically, realizes the steering manipulation of fork truck.
Above-mentioned mechanical differential gear box 13 can be adjusted output speed and the moment of left and right sidesing driving wheel 16 automatically, thereby the fork truck entirety center of gyration that reaches the left and right sidesing driving wheel 16 speeds discrepancy formation of drive axle overlaps with wheel shaft 12 line of centerss and drive axle 15 line of centers intersection point O points, ensures that fork truck is turned normally, nothing tows.
It should be noted that in addition, in existing fork lift truck structure, when steeraxle uses with propons with the drive axle structure of mechanical differential gear box, the rotating that cannot realize left and right wheels due to mechanical differential gear box drives (can only rotate forward), so the center of gyration of this fork truck certainty outside fork truck body scope, that is to say fork truck and cannot realize pivot stud.
Above-described embodiment, is preferred embodiment of the present utility model, is not used for limiting the utility model practical range, and the equivalence of being done with content described in the utility model claim therefore all changes, within all should being included in the utility model claim scope.
Claims (5)
1. forklift steering bridge, there is pontic (1), it is characterized in that: described pontic (1) vertically line of centers and the line of centers of wheel shaft (12) that two wheel flutters (2) are installed is arranged vertically and is crosswise and makes wheel flutter (2) the 180 ° of rotations in left and right, pontic (1) upper end is fixed on car body (14) lower end, rear portion, described car body (14) is provided with driver train (4) and speed reduction gearing (3), and described driver train (4) is connected with vehicle control system (6) and passes through speed reduction gearing (3) and control wheel flutter (2) left-right rotation or craspedodrome.
2. forklift steering bridge according to claim 1, it is characterized in that: on described pontic (1), be also provided with angle detection device (5), the detection signal of wheel shaft (12) rotational angle is fed back to vehicle control system (6) by described angle detection device (5), and described vehicle control system (6) reaches closed loop according to feedback signal to the steering angle correction of wheel flutter (2) and accurately controls.
3. forklift steering bridge according to claim 1 and 2, it is characterized in that: described driver train is motor (4), described vehicle control system (6) output termination motor (4) input end, described motor (4) output termination speed reduction gearing (3) input end, described speed reduction gearing (3) drives wheel flutter (2) left-right rotation or craspedodrome.
4. forklift steering bridge according to claim 1 and 2, it is characterized in that: described driver train is HM Hydraulic Motor (7), described vehicle control system (6) output termination hydraulic power unit (8) input end, described hydraulic power unit (8) output termination hydraulic control unit (9) input end control hydraulic flow direction and flow, described hydraulic control unit (9) drives HM Hydraulic Motor (7) to rotate, described HM Hydraulic Motor (7) output termination speed reduction gearing (3) input end, described speed reduction gearing (3) drives wheel flutter (2) left-right rotation or craspedodrome.
5. forklift steering bridge according to claim 1, it is characterized in that: described driver train is HM Hydraulic Motor (7), Hydraulic Pump (10) output termination hydraulic steering gear (11) input end, described hydraulic steering gear (11) output termination HM Hydraulic Motor (7) input end, described HM Hydraulic Motor (7) output termination speed reduction gearing (3) input end, described speed reduction gearing (3) drives wheel flutter (2) left-right rotation or craspedodrome, simultaneously the upper mechanical differential gear box (13) of installing of drive axle (15) adapts to the steering angle of drive wheel (16) the output torque of automatic synchronization two drive wheels (16) and realizes the steering manipulation of fork truck automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061068.6U CN203727462U (en) | 2013-08-16 | 2014-02-11 | Forklift steering axle |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504846 | 2013-08-16 | ||
| CN201320504846.X | 2013-08-16 | ||
| CN201420061068.6U CN203727462U (en) | 2013-08-16 | 2014-02-11 | Forklift steering axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203727462U true CN203727462U (en) | 2014-07-23 |
Family
ID=51197557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420061068.6U Expired - Fee Related CN203727462U (en) | 2013-08-16 | 2014-02-11 | Forklift steering axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203727462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754258A (en) * | 2013-08-16 | 2014-04-30 | 杨鹏波 | Forklift steering axle |
-
2014
- 2014-02-11 CN CN201420061068.6U patent/CN203727462U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754258A (en) * | 2013-08-16 | 2014-04-30 | 杨鹏波 | Forklift steering axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160920 Address after: 721004 Baoji City Jintai District of Baoji city of Shaanxi province Guo Road ten hospital No. 2 unit 1 Building No. 8 Patentee after: Yang Pengbo Address before: Ten road 721004 Baoji city of Shaanxi province Guo Hospital No. 10 Building 2, unit 1, No. 8 Patentee before: Yang Pengbo |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20190211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |