CN205524442U - Electronic steering helping hand system suitable for mechanical steering fork truck - Google Patents
Electronic steering helping hand system suitable for mechanical steering fork truck Download PDFInfo
- Publication number
- CN205524442U CN205524442U CN201620103846.2U CN201620103846U CN205524442U CN 205524442 U CN205524442 U CN 205524442U CN 201620103846 U CN201620103846 U CN 201620103846U CN 205524442 U CN205524442 U CN 205524442U
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- flange
- steering
- torque sensor
- tiller
- fixed
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Abstract
The utility model discloses an electronic steering helping hand system suitable for mechanical steering fork truck, including torque sensor, DC geared motor, machine controller and drive gear, torque sensor with turn to tiller and steering spindle rigid connection, torque sensor and DC geared motor are connected with the machine controller electricity, machine controller controls DC geared motor start -up carrying on DC geared motor 3 according to the DC geared motor 1 of torque sensor seizure, DC geared motor's action wheel with turn to epaxial drive gear and be connected the transmission. The utility model discloses can realize turning to and laborsavingly can reach 50%, no hysteresis quality, overall structure is compact, and the motor model is littleer, low cost.
Description
Technical field
This utility model relates to a kind of electrical steering force aid system being applicable to mechanical steering fork truck, is such as applicable to car of storing in a warehouse.
Background technology
So-called mechanical steering system, refers to turn to tiller to be rigidly connected with steering spindle, utilizes turning to directly to moment realization of people.
So-called electric steering system, refers to turn to tiller lower end connection angle sensor, is not connected to steering spindle；Steering spindle is connected by gear pair with steer motor, and steer motor outfan (or steering spindle gear) is provided with angular transducer.When tiller turns to, angular transducer catches angle signal, and changes into the signal of telecommunication, to steer motor controller, controls rotation direction and the time period of steer motor, it is achieved all-electronin turns to.
At present, many storage cars still use the form of mechanical steering, laborsaving to turn to, and turn to tiller length to be accomplished by greatly, and operating flexibility is the poorest；Also having the form that part storage car uses all-electronin to turn to, steering force is light, but steering cost is high, and there is certain go to action hysteresis quality.
Utility model content
The purpose of this utility model is to provide a kind of electrical steering force aid system being applicable to mechanical steering fork truck, turns to laborsaving with realization, and without hysteresis quality, compact overall structure, motor model is less, with low cost.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of electrical steering force aid system being applicable to mechanical steering fork truck, including torque sensor, DC speed-reducing, electric machine controller and travelling gear, torque sensor is rigidly connected with turning to tiller and steering spindle, torque sensor and DC speed-reducing electrically connect with electric machine controller respectively, electric machine controller controls DC speed-reducing according to the turn signal that torque sensor catches and is actuated for power steering, and the drivewheel of DC speed-reducing is connected transmission with the travelling gear in steering spindle.
Described turning to tiller to be rigidly connected with steering spindle, torque sensor is fixed on and turns on tiller or in steering spindle or turn between tiller and steering spindle.
Described steering spindle includes epimere axle and hypomere axle；The upper end of epimere axle is cased with three-flange and is fixed with the second flange, and three-flange is positioned at the lower section of the second flange, epimere axle be arranged over tiller seat；Tiller seat has the first flange, the top of the first flange has a pair pivot joint lug, the lower end turning to tiller is fixed on the upper end of pivot joint lug, the upper end of torque sensor is fixed on the stage casing of pivot joint lug, and the lower end of torque sensor is plugged in the directional hole of the second flange through the through hole of the first flange again；First flange and three-flange are fixed together, and make the second flange between the first flange and three-flange, and make the epimere axle of tiller seat and steering spindle be fixed together；The lower end of epimere axle has the 4th flange and keyway, and travelling gear is enclosed within the epimere axle of steering spindle, and the lower surface of travelling gear is positioned on the 4th flange that upper surface is fixed by the pin key being plugged in keyway；Lower end the 4th flange of epimere axle is fixed on the upper end of hypomere axle；Hypomere axle is bolted on traveling and drives electric machine casing, and entirely through being bolted on vehicle frame, vehicle frame is fixed with armlet support, and the column of armlet support is installed DC speed-reducing and electric machine controller.
Profile groove is offered in the upper end of described torque sensor, and the upper end of torque sensor is equipped with Contraband type pin, and the middle montant of Contraband type pin is inserted in the profile groove of torque sensor and fixes, and two cross bars of Contraband type pin are separately fixed at the stage casing of a pair pivot joint lug.
Offer ball grooves on described second flange, in ball grooves install ball, the second flange by ball support and between the first flange and three-flange.
Described steering boost system, is connected to alarm device.Optionally, this alarm device is abnormal warning lamp, or is buzzer.
After using such scheme, this utility model by torque sensor with turn to being rigidly connected of tiller and steering spindle, can reach to transmit the purpose of moment, turn signal can be caught again, it is achieved the utilization of operator's steering force, the steering force of DC speed-reducing is combined, reach labour-saving effect, further, because turning to tiller to be rigidly connected with steering spindle, the problem turning to hysteresis quality is overcome.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is that this utility model saves the structural representation turning to tiller；
Fig. 3 is partial exploded view of the present utility model；
Fig. 4 is steering spindle exploded view of the present utility model；
Fig. 5 is working envelope figure of the present utility model.
Label declaration
Torque sensor 1, profile groove 11, Contraband type pin 12, screw 13；DC speed-reducing 2, drivewheel 21；Electric machine controller 3；Travelling gear 4；Turn to tiller 5；Steering spindle 6, epimere axle 61, directional hole 611, the second flange 612, three-flange 613, screw 614, screw 615, the 4th flange 616, keyway 617, pin key 618, ball grooves 619, screw 620, hypomere axle 62, tiller seat 63, first flange 631, pivot joint lug 632, fixing hole 633, fixing hole 634, through hole 635, drive wheel carrier 64；Ball 7；Driving wheel 8.
Detailed description of the invention
As shown in Figures 1 to 5, a kind of electrical steering force aid system being applicable to mechanical steering fork truck that this utility model discloses, including torque sensor 1, DC speed-reducing 2, electric machine controller 3 and travelling gear 4.
Torque sensor 1 is rigidly connected with turning to tiller 5 and steering spindle 6, torque sensor 1 and DC speed-reducing 2 electrically connect with electric machine controller 3, electric machine controller 3 controls DC speed-reducing 2 according to the turn signal that torque sensor 1 catches and is actuated for power steering, and the drivewheel 21 of DC speed-reducing 2 is connected transmission with the travelling gear 4 in steering spindle 6.
So, this utility model is only with torque sensor 1, without two angular transducers, by torque sensor 1 with turn to being rigidly connected of tiller 5 and steering spindle 6, can reach to transmit the purpose of moment, output turn signal can be caught again, it is achieved the utilization of operator's steering force, and combine the steering force of DC speed-reducing 2, reach labour-saving effect, and, because turning to tiller 5 to be rigidly connected with steering spindle 6, ensure that the concordance of go to action, overcome the problem turning to hysteresis quality；Further through the setting of electric machine controller 3, when operating physical force reaches certain value, DC speed-reducing 2 is actuated for power steering.
Wherein, turning to tiller 5 to be rigidly connected with steering spindle 6, torque sensor 1 can be fixed on and turn on tiller 5, it is also possible to be fixed in steering spindle 6, or is fixed on and turns between tiller 5 and steering spindle 6.
In this embodiment, torque sensor 1 is fixed on and turns between tiller 5 and steering spindle 6.Specifically, steering spindle 6 includes epimere axle 61 and hypomere axle 62.The upper end of epimere axle 61 is cased with three-flange 613 and is fixed with the second flange 612 by screw 614, and three-flange 613 is positioned at the lower section of the second flange 612, epimere axle 61 be arranged over tiller seat 63.Tiller seat 63 has the first flange 631, and the top of the first flange 631 has a pair pivot joint lug 632.The lower end turning to tiller 5 is fixed at the upper end fixing hole 633 of pivot joint lug 632, the upper end of torque sensor 1 is fixed at the stage casing fixing hole 634 of pivot joint lug 632, and the lower end of torque sensor 1 is plugged in the directional hole 611 of the second flange 612 through the through hole 635 of the first flange 631 again.First flange 631 and three-flange 613 is fixing by together with screw 615, makes the second flange 612 between the first flange 631 and three-flange 613, and makes the epimere axle 61 of tiller seat 63 and steering spindle 6 be fixed together.The lower end of epimere axle 61 has the 4th flange 616 and keyway 617.Travelling gear 4 is enclosed within the epimere axle 61 of steering spindle 6, and the lower surface of travelling gear 4 is positioned on the 4th flange 616, and the upper surface of travelling gear 4 is fixed by the pin key 618 being plugged in keyway 617.Lower end the 4th flange 616 of epimere axle 61 is fixed on the upper end of hypomere axle 62 by screw 620.Hypomere axle 62 is bolted on traveling and drives electric machine casing 64, and entirely through being bolted on vehicle frame, vehicle frame is fixed with armlet support, and the column of armlet support is installed DC speed-reducing 2 and electric machine controller 3.
Further, profile groove 11 is offered in the upper end of torque sensor 1, the upper end of torque sensor 1 is equipped with Contraband type pin 12, the middle montant of Contraband type pin 12 is inserted in the profile groove 11 of torque sensor 1 and fixes by screw 13, two cross bars of Contraband type pin 12 are separately fixed at the stage casing fixing hole 634 of a pair pivot joint lug 632, in order to preferably sense rotational angle.
In order to reduce friction, the second flange 612 is offered ball grooves 619, in ball grooves 619 install ball 7, the second flange 612 by ball 7 support and between the first flange 631 and three-flange 613.
This utility model can be used on the fork truck of all mechanical steerings.
Described electrical steering force aid system, when without turning to, torque sensor 1 is in middle position, optionally, torque sensor 1 exports to electric machine controller 3 with median signal, electric machine controller 3 belongs to off position according to signal determining motor, disconnects the performance loop of DC speed-reducing 2, controls DC speed-reducing 2 and stops.
When tiller is operated and produces moment rotationally clockwise, torque sensor 1 produces positive signal, and signal form is optionally voltage V/mV, or electric current A/mA；Electric machine controller 3 is according to the signal of torque sensor 1, controlling the corresponding output voltage of electric machine controller 3, the running voltage of direct current decompression motor 2 is linear along with the output signal of torque sensor 1, when the moment that people applies is less, DC speed-reducing 2 does not works, and steering spindle 6 does not turns to；Increasing with steering moment, torque sensor 1 signal value output increases；When reaching the set point of DC speed-reducing 2 work, when i.e. the moment of operator's applying and the moment sum of DC speed-reducing 2 output can overcome the extraneous moment of resistance, electric machine controller 3 controls by controlling output sense of current and the size of output voltage, realize DC speed-reducing 2 and synchronize corresponding turning to operator, and the rotating speed of DC speed-reducing 2 is adjustable, keep the rotating speed concordance with tiller.
When tiller is operated rotate in an anti-clockwise direction generation moment, torque sensor 1 in like manner produces negative signal, and its principle is ibid.
Described steering boost system, is connected to alarm device (not shown).This alarm device is abnormal warning lamp, or is buzzer.When steering boost system normally works, alarm device can be green light Chang Liang, or is that when steering boost system exception, by entire car controller, alarm device is blinking red lamp without buzzing, or is buzzer warning, speed is reduced the most automatically.
Above example is only in order to illustrate the technical solution of the utility model and unrestricted, other amendment or equivalents that the technical solution of the utility model is made by those of ordinary skill in the art, without departing from the spirit and scope of technical solutions of the utility model, all should contain in right of the present utility model.
Claims (6)
1. the electrical steering force aid system being applicable to mechanical steering fork truck, it is characterized in that: include torque sensor, DC speed-reducing, electric machine controller and travelling gear, torque sensor is rigidly connected with turning to tiller and steering spindle, torque sensor and DC speed-reducing electrically connect with electric machine controller respectively, electric machine controller controls DC speed-reducing according to the turn signal that torque sensor catches and starts or stops power steering, and the drivewheel of DC speed-reducing is connected transmission with the travelling gear in steering spindle.
A kind of electrical steering force aid system being applicable to mechanical steering fork truck, it is characterised in that turn to tiller to be rigidly connected with steering spindle described in:, torque sensor is fixed on and turns on tiller or in steering spindle or turn between tiller and steering spindle.
A kind of electrical steering force aid system being applicable to mechanical steering fork truck, it is characterised in that: described steering spindle includes epimere axle and hypomere axle；The upper end of epimere axle is cased with three-flange and is fixed with the second flange, and three-flange is positioned at the lower section of the second flange, epimere axle be arranged over tiller seat；Tiller seat has the first flange, the top of the first flange has a pair pivot joint lug, the lower end turning to tiller is fixed on the upper end of pivot joint lug, the upper end of torque sensor is fixed on the stage casing of pivot joint lug, and the lower end of torque sensor is plugged in the directional hole of the second flange through the through hole of the first flange again；First flange and three-flange are fixed together, and make the second flange between the first flange and three-flange, and make the epimere axle of tiller seat and steering spindle be fixed together；The lower end of epimere axle has the 4th flange and keyway, and travelling gear is enclosed within the epimere axle of steering spindle, and the lower surface of travelling gear is positioned on the 4th flange that upper surface is fixed by the pin key being plugged in keyway；Lower end the 4th flange of epimere axle is fixed on the upper end of hypomere axle；Hypomere axle is bolted on traveling and drives electric machine casing, and entirely through being bolted on vehicle frame, vehicle frame is fixed with armlet support, and the column of armlet support is installed DC speed-reducing and electric machine controller.
A kind of electrical steering force aid system being applicable to mechanical steering fork truck, it is characterized in that: profile groove is offered in the upper end of described torque sensor, the upper end of torque sensor is equipped with Contraband type pin, the middle montant of Contraband type pin is inserted in the profile groove of torque sensor and fixes, and two cross bars of Contraband type pin are separately fixed at the stage casing of a pair pivot joint lug.
A kind of electrical steering force aid system being applicable to mechanical steering fork truck, it is characterized in that: on described second flange, offer ball grooves, in ball grooves install ball, the second flange by ball support and between the first flange and three-flange.
A kind of electrical steering force aid system being applicable to mechanical steering fork truck, it is characterised in that: described steering boost system, it is connected to alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620103846.2U CN205524442U (en) | 2016-02-02 | 2016-02-02 | Electronic steering helping hand system suitable for mechanical steering fork truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620103846.2U CN205524442U (en) | 2016-02-02 | 2016-02-02 | Electronic steering helping hand system suitable for mechanical steering fork truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205524442U true CN205524442U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620103846.2U Expired - Fee Related CN205524442U (en) | 2016-02-02 | 2016-02-02 | Electronic steering helping hand system suitable for mechanical steering fork truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205524442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105730503A (en) * | 2016-02-02 | 2016-07-06 | 林德（中国）叉车有限公司 | Electronic power-assisted steering system suitable for mechanical steering forklift |
-
2016
- 2016-02-02 CN CN201620103846.2U patent/CN205524442U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105730503A (en) * | 2016-02-02 | 2016-07-06 | 林德（中国）叉车有限公司 | Electronic power-assisted steering system suitable for mechanical steering forklift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20190202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |