CN114084224A - Linear displacement type turning deceleration system for industrial vehicle - Google Patents
Linear displacement type turning deceleration system for industrial vehicle Download PDFInfo
- Publication number
- CN114084224A CN114084224A CN202111572898.6A CN202111572898A CN114084224A CN 114084224 A CN114084224 A CN 114084224A CN 202111572898 A CN202111572898 A CN 202111572898A CN 114084224 A CN114084224 A CN 114084224A
- Authority
- CN
- China
- Prior art keywords
- steering
- sensor
- voltage signals
- industrial vehicle
- axle body
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/061—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle provided with effort, steering lock, or end-of-stroke limiters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/02—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/20—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention discloses a linear displacement type turning deceleration system for an industrial vehicle, which comprises a steering axle body, wherein two ends of the steering axle body are provided with fixed main pins, the main pins are provided with steering knuckles rotating around a vertical shaft, the steering knuckles are provided with steering wheels rotating around a transverse shaft, the steering axle body is provided with a steering oil cylinder which is connected with the steering knuckles and drives the steering wheels to steer, the steering axle body is provided with a detection assembly for detecting the transverse moving distance of the steering oil cylinder, the detection assembly is connected with a controller, and the controller is used for adjusting the rotating speed of the steering wheels by adjusting the rotating speed of a driving wheel according to the transverse moving distance. The industrial vehicle linear displacement type turning deceleration system enables the industrial vehicle with the kingpin not rotating along with the steering wheel to apply the automatic control technology of turning deceleration.
Description
Technical Field
The invention relates to the technical field of industrial vehicles, in particular to a linear displacement type turning deceleration system of an industrial vehicle.
Background
Steering axles of industrial vehicles such as forklifts, large-tonnage tractors and the like are generally driven to steer by transverse oil cylinders, and the transverse oil cylinder steering axles are generally two types, wherein one type is that a main pin rotates along with a steering wheel and is generally used in light working conditions; the other kingpin does not rotate with the steerable wheel and is typically used in heavy duty applications.
In the automatic control technology of turning deceleration, for a kingpin rotating along with a wheel in a steering axle, voltage change can be realized by generally installing a detection component such as a rotary potentiometer on the kingpin, and then the position of the wheel is monitored to control the rotating speed of a motor; however, the kingpin that does not rotate with the wheels in the steering axle cannot be realized in the above manner, and thus the above turning deceleration technology cannot be applied to the vehicle.
Therefore, how to provide an industrial vehicle straight line displacement type turning deceleration system which solves the technical problems is a technical problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a linear displacement type turning deceleration system of an industrial vehicle, which enables the industrial vehicle with a kingpin not rotating along with a steering wheel to apply an automatic control technology of turning deceleration.
In order to achieve the above object, the present invention provides a linear displacement type turning deceleration system for an industrial vehicle, which includes a steering axle body, wherein two ends of the steering axle body are provided with fixed kingpins, each kingpin is provided with a steering knuckle rotating around a vertical shaft, each steering knuckle is provided with a steering wheel rotating around a horizontal shaft, the steering axle body is provided with a steering cylinder connected with the steering knuckle and driving the steering wheel to steer, the steering axle body is provided with a detection assembly for detecting a transverse movement distance of the steering cylinder, the detection assembly is connected with a controller, and the controller is used for adjusting a rotation speed of the steering wheel by adjusting a rotation speed of a driving wheel according to the transverse movement distance.
Preferably, the detection assembly comprises a sensor and a sensing member, the sensor is connected with the controller, and the sensor is used for outputting different signals to the controller when the sensing member is located at different positions of the sensor.
Preferably, the sensor is fixed relative to the steering axle body, and the sensing element is fixed relative to the steering oil cylinder, or; the sensor is used for being fixed relative to the steering oil cylinder, and the sensing piece is used for being fixed relative to the steering axle body.
Preferably, the steering device further comprises a connecting rod which is installed on the steering cylinder and moves transversely along with the steering cylinder, and the detection assembly is used for detecting the transverse movement distance of the connecting rod.
Preferably, the sensing member includes a fastening portion and a magnet portion, and the magnet portion is disposed at a rear end of the fastening portion.
Preferably, the connecting rod is provided with a mounting hole for mounting and fixing the sensing piece, and the magnet part is embedded in the connecting rod; the sensor is fixedly installed on the steering axle body.
Preferably, the sensor and the sensing member are both arranged in a center.
Preferably, the sensor comprises a box body and a plurality of potentiometers arranged in the box body, and when the sensing piece is positioned in a detection area of any potentiometer, the sensor outputs a voltage signal of the potentiometer.
Preferably, all the potentiometers are arranged at equal intervals at preset distances, and/or the detection areas of the potentiometers are continuously without intervals; all potentiometers are set in a preset voltage difference gradual change mode, and voltage signals of the potentiometers are gradually decreased.
Preferably, the voltage signals output by the sensor include a median voltage signal, a first group of voltage signals, a second group of voltage signals, a third group of voltage signals and a fourth group of voltage signals, which are distributed outwards in sequence with the median voltage signal as a central axis, the controller is configured to not reduce the speed between the median voltage signal and the first group of voltage signals, reduce the speed between the median voltage signal and the second group of voltage signals with a first reduction rate, reduce the speed between the first group of voltage signals and the third group of voltage signals with a second reduction rate, and reduce the speed between the second group of voltage signals and the fourth group of voltage signals with a third reduction rate, the first reduction rate is greater than the second reduction rate and greater than the third reduction rate, and three-stage reduction rate is in smooth transition.
Compared with the prior art, the linear displacement type turning deceleration system for the industrial vehicle comprises a steering axle body, wherein two ends of the steering axle body are provided with fixed main pins, the main pins are provided with steering knuckles rotating around a vertical shaft, the steering knuckles are provided with steering wheels rotating around a transverse shaft, the steering axle body is provided with a steering oil cylinder which is connected with the steering knuckles and drives the steering wheels to steer, the steering axle body is provided with a detection assembly for detecting the transverse moving distance of the steering oil cylinder, and the detection assembly is connected with a controller for adjusting the rotating speed of the steering wheels according to the transverse moving distance.
In the working process of the industrial vehicle linear displacement type turning deceleration system, the steering oil cylinder makes telescopic action and drives the steering wheels to steer through the steering knuckle; the detection assembly detects the transverse movement of the steering oil cylinder, the detected distance corresponds to the steering angle of the steering wheel, and then the controller adjusts the rotating speed of the steering wheel according to the transverse movement distance to realize automatic deceleration of the steering wheel during steering. The industrial vehicle linear displacement type turning deceleration system has the advantages that the steering detection mode is linear motion detection, the rotating motion of the steering wheels during steering is not required to be detected, and the industrial vehicle with the king pin not rotating along with the steering wheels can apply the automatic control technology of turning deceleration.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a linear displacement type turning deceleration system of an industrial vehicle according to an embodiment of the present invention;
FIG. 2 is a first schematic plan view of a detecting assembly according to an embodiment of the present invention;
FIG. 3 is a second schematic plan view of a detection assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a detecting assembly according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a relationship between a voltage signal and a displacement according to an embodiment of the present invention.
Wherein:
1-steering axle body, 2-steering wheels, 3-steering oil cylinder, 4-steering knuckle, 5-kingpin, 6-connecting rod, 7-detection component, 71-sensor, 72-induction component, 710-box body, 721-fastening portion, 722-magnet portion, 7101-waist-shaped hole and 7102-round hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, in which fig. 1 is a schematic structural diagram of a linear displacement type turning deceleration system of an industrial vehicle according to an embodiment of the present invention, fig. 2 is a schematic plan view of a detection assembly according to an embodiment of the present invention, fig. 3 is a schematic plan view of a detection assembly according to an embodiment of the present invention, fig. 4 is a schematic structural diagram of a detection assembly according to an embodiment of the present invention, and fig. 5 is a schematic relationship diagram between a voltage signal and a displacement according to an embodiment of the present invention.
In a first specific embodiment, the industrial vehicle linear displacement type turning deceleration system provided by the invention comprises a steering axle body 1, steering wheels 2, a steering oil cylinder 3, a steering knuckle 4, a kingpin 5 and a detection assembly 7.
The steering axle body 1, the steering wheels 2, the steering oil cylinder 3, the steering knuckle 4 and the kingpin 5 are arranged in a manner similar to that of a conventional steering axle.
The main pins 5 are arranged at two ends of the steering axle body 1 and are connected with the upper surface and the lower surface of the steering axle body 1 through bearings, bushes and the like, and the main pins 5 are in a fixed state; the steering knuckle 4 is arranged on the main pin 5 and connected through a bearing, and the steering knuckle 4 can rotate around a vertical shaft relative to the main pin 5; the steering wheel 2 is arranged on the steering knuckle 4, and the steering wheel 2 can rotate around a transverse shaft relative to the steering knuckle 4; the steering oil cylinder 3 is arranged on the steering axle body 1, the steering oil cylinder 3 is connected with the steering knuckle 4 through a transmission rod, and two ends of the transmission rod are rotatably connected.
In conclusion, the steering wheels 2 rotate around the transverse shaft on the steering axle body 1, so that normal running is realized; the piston rod of the steering oil cylinder 3 moves transversely to realize the left and right turning and reversing of the steering wheel 2.
On the basis, the steering axle body 1 is provided with a detection assembly 7, the detection assembly 7 is connected with a controller, and the controller can be independently arranged on a control unit of the steering axle or an original control system of an accessed industrial vehicle.
In summary, the detecting component 7 is used for detecting the lateral movement of the steering cylinder 3 to obtain the lateral movement distance of the steering cylinder 3, and inputting the displacement into the controller, and the controller can further convert the displacement of the steering cylinder 3 into the steering angle of the steering wheel 2, so as to realize the turning deceleration control on the steering wheel 2 according to the angle change of the steering wheel 2 and the turning deceleration technology; in the turn down control, the controller adjusts the speed of the drive wheels on the industrial vehicle, and the steerable wheels 2 move together with the drive wheels, thereby adjusting the rotation speed of the steerable wheels 2 by adjusting the rotation speed of the drive wheels.
It should be noted that the steering cylinder 3, the steering knuckle 4 and the steering wheel 2 on the steer axle body 1 are respectively arranged on the left and right sides, and the movement of the steering cylinder 3 on the left and right sides is reversed to make the movement of the steering wheel 2 on the left and right sides in the same direction.
Taking left turn as an example, at this time, the steering cylinder 3 on the left is contracted, the steering knuckle 4 on the left drives the steering wheel 2 to rotate anticlockwise, the steering cylinder 3 on the right is extended, the steering knuckle 4 on the right drives the steering wheel 2 to rotate anticlockwise, and the steering wheels 2 on the left and right sides rotate synchronously.
In a specific process description, the steering oil cylinder 3 makes telescopic action, and the steering oil cylinder 3 drives the steering wheels 2 to steer through the steering knuckle 4; the detection assembly 7 detects the transverse movement of the steering oil cylinder 3, the detected distance corresponds to the steering angle of the steering wheel 2 regardless of the state of the kingpin 5, and then the controller adjusts the rotating speed of the steering wheel 2 according to the transverse movement distance to realize the automatic deceleration of the steering wheel 2 during steering.
The industrial vehicle linear displacement type turning deceleration system has the advantages that the steering detection mode is linear motion detection, the rotating motion of the steering wheels 2 during steering is not required to be detected, and the automatic control technology of turning deceleration can be applied to the industrial vehicle with the kingpin 5 not rotating along with the steering wheels 2.
It should be emphasized that one of the core improvements of the present invention is to detect the steering action of the steering axle in the form of linear displacement, without detecting the steering angle when the steering wheel 2 is steered, and regardless of the state of the kingpin 5, thereby solving the problem of turning deceleration of industrial vehicles such as forklifts, tractors and the like, in which the kingpin 5 does not rotate with the steering wheel 2, improving the longitudinal stability and the heavy load capacity of the vehicle, and effectively reducing the vehicle safety accidents.
It should be noted that there are various detection principles and manners of the detection assembly 7, including but not limited to contact sensing and non-contact sensing, as long as the detection of the linear displacement can be achieved, and the detection principle and manner should also fall within the scope of the present embodiment.
Illustratively, the detecting assembly 7 comprises two separate parts, namely a sensor 71 and a sensing element 72 which are independent of each other, one part is fixed relative to the steering cylinder 3 and follows the steering cylinder 3 to move, and the other part is fixed relative to the steering axle body 1, so that the displacement between the steering cylinder 3 and the steering axle body 1 is equal to the displacement between the sensor 71 and the sensing element 72.
The sensor 71 is connected with the controller, the sensor 71 sends signals to the controller when sensing the sensing piece 72, on the basis, the sensor 71 sends different signals to the controller when the sensing piece 72 is located at different positions of the sensor 71, and the controller can determine the displacement of the steering oil cylinder 3, namely the steering angle of the steering wheel 2 according to the different signals.
It should be noted that there are many situations in the installation positions of the sensor 71 and the sensing member 72, including: the sensor 71 is fixed relative to the steering axle body 1, and the sensing piece 72 is fixed relative to the steering oil cylinder 3; the sensor 71 is fixed relative to the steering oil cylinder 3, and the sensing piece 72 is fixed relative to the steering axle body 1; the same shall fall within the scope of the present embodiment.
Illustratively, in order to realize the construction of the linear displacement type turning deceleration system of the industrial vehicle more conveniently, the system further comprises a connecting rod 6, and at the moment, the original steering axle body 1 is not changed, and only a set of connecting rod 6 is added on the steering axle body 1.
In this embodiment, when the steering wheel rotates to move the steering cylinder 3 left and right, the connecting rod 6 is driven to move left and right, and further the steering knuckle 4 is pushed to achieve steering of the steering wheel 2, at this time, the connecting rod 6 is mounted on the steering cylinder 3 and moves laterally together with the steering cylinder 3, the detection assembly 7 detects the lateral movement distance of the connecting rod 6, and accordingly displacement of the steering cylinder 3 is detected.
Illustratively, the sensing member 72 is mounted on the connecting rod 6, and the sensor 71 is mounted on the steer axle body 1, which are arranged oppositely to each other, so as to ensure a good detection range.
Specifically, the sensing member 72 includes a fastening portion 721 and a magnet portion 722, and the magnet portion 722 is provided at a rear end of the fastening portion 721.
In this embodiment, the fastening part 721 is used to realize the installation of the sensing element 72, the magnet part 722 is a sensing magnetic block, the sensor 71 is a linear displacement sensor, the magnet senses the voltage of the sensor, and the turning angle of the steerable wheel 2 is monitored according to the change of the voltage signal, and the rotating speed of the motor is further controlled to realize the turning speed limit. The sensor adopts a Hall non-contact sensor, the sensor has high protection level, IP67 and long service life.
The fastening portion 721 is exemplarily a fixing bolt, the link 6 is provided with a mounting hole having an internal thread, the fixing bolt is embedded in the link 6 when being mounted in the mounting hole, and the linear sensor voltage is varied when the magnet moves left and right.
On the basis, a magnet is embedded into the fixing bolt, and the magnet is provided with an S pole and an N pole; the induction surface of the linear displacement sensor is an N pole, the induction magnet is an S pole, and the gap between the induction magnet and the S pole is 3-5mm, so that normal induction voltage output is guaranteed; the linear displacement sensor and the induction magnet have the advantages of being capable of preventing metal and other powder from entering the induction distance and generating signal misjudgment.
Specifically, the sensor 71 and the sensing member 72 are both provided in a center.
In the present embodiment, the sensor 71 and the sensing element 72 are both disposed in axial symmetry with respect to the symmetry center of the steering axle; when the steering angle of the steering axle is zero, the sensing piece 72 is positioned in the middle of the sensor 71 until the sensing piece 72 is positioned at the left or right of the center of the sensor 71 after the steering axle is steered.
More specifically, the sensor 71 includes a box 710 and a plurality of potentiometers built in the box 710, and the sensor 71 outputs a voltage signal of any potentiometer when the sensing element 72 is located in a detection area of the potentiometer.
In the embodiment, the box body 710 is provided with the waist-shaped hole 7101 and the circular hole 7102, and the sensor 71 is mounted on the steering axle body 1 through the fastener, the waist-shaped hole 7101 and the circular hole 7102, so that the mounting precision is guaranteed, and the requirements of manufacturing and mounting processes are simplified.
Furthermore, all the potentiometers are arranged at equal intervals at a preset distance, and the detection areas of the potentiometers are continuous without intervals, and/or; all potentiometers are set gradually according to the preset voltage difference, and the voltage signals of the potentiometers are gradually decreased.
Referring to fig. 5, 22 points are embedded in the potentiometer, the distance between the points is 10mm, and the induction distance reaches 220 mm; the voltage is monotonically decreased from left to right from 4.95V to 0.5V, a rotating speed point is arranged at each corresponding voltage point, and when the induction points are at the relative voltage potentials, the controller controls the motor to output corresponding rotating speeds, so that the vehicle turning speed is controlled in a graded manner.
In the embodiment, in order to better solve the voltage idle stroke between the embedded point and the point, the voltage point between the points adopts a continuous step type, and a voltage invariable buffer zone with a distance of 10mm between the points is ensured, so that the speed can be reduced finely and hierarchically, and the speed mutation phenomenon is avoided; the sensor adopts a linear embedded point type sensor, and compared with a linear continuous voltage change type sensor, the sensor has the advantages of long sensing distance, easiness in realization, easiness in production and low cost.
On the basis, the voltage signals output by the sensor 71 comprise a middle voltage signal, a first group of voltage signals, a second group of voltage signals, a third group of voltage signals and a fourth group of voltage signals which are distributed outwards in sequence by taking the middle voltage signal as a central axis, the controller is used for not reducing the speed when the middle voltage signal and the middle voltage signal are between the first group of voltage signals, reducing the speed between the middle voltage signal and the second group of voltage signals at a first reduction rate, reducing the speed between the first group of voltage signals and the third group of voltage signals at a second reduction rate, and reducing the speed between the second group of voltage signals and the fourth group of voltage signals at a third reduction rate, wherein the first reduction rate is greater than the second reduction rate and greater than the third reduction rate, and three-stage reduction is in smooth transition.
In the embodiment, when the voltage is more than 4.95V and less than 0.5V, the steering wheel 2 is at the leftmost end and the rightmost end, and the speed is controlled at 3 Km/h; when the voltage is 2.3V-2.7V, the speed of the vehicle is not reduced, the highest-speed linear running of the vehicle is ensured, and the vehicle runs stably; when the voltage is 2.7V-4.95V and 2.3V-0.5V, the vehicle is subjected to graded speed reduction treatment.
Specifically, after the tire is straightened, the middle voltage is 2.5V, namely a middle voltage signal, and the middle value is ensured to be deviated within 5mm left and right after the potentiometer is installed; when the steering wheel is finely adjusted during straight-line walking, the speed is not reduced when the voltage value is stabilized at 2.7V or 2.3V, namely a first group of voltage signals, the straight-line walking is stable, the vehicle speed is 16Km/h, and the tire angle is reflected to be +/-4 degrees; when the angle of the steering wheel 2 is +/-10 degrees, the vehicle speed is 9Km/h, and the voltage value is 1.9V or 2.9V, namely a second group of voltage signals; when the angle of the steering wheel 2 is +/-45 degrees, the vehicle speed is 7Km/h, and the voltage value is 0.7V or 4.3V, namely a third group of voltage signals; when the angle of the steering wheel 2 is +/-58 degrees, the left side of the steering wheel is dead, the potentiometer value is more than or equal to 4.5V, namely the fourth group of voltage signals is obtained, and the speed is 3 Km/h; the right side is killed, the potentiometer value is less than or equal to 0.5V, namely the fourth group of voltage signals, and the speed is 3 Km/h.
When the tire angle is +/-4 degrees and +/-10 degrees, the vehicle speed is changed linearly, and the deceleration rate is high; when the tire angle is +/-10 degrees or +/-45 degrees, the vehicle speed is changed linearly, and the speed reduction rate is moderate; when the tire angle is +/-45 degrees and +/-58 degrees, the vehicle speed is linearly changed, and the speed reduction rate is relatively smooth; the three-stage velocity section has smooth transition and cannot have distortion and mutation.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The industrial vehicle linear displacement type turning deceleration system provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an industry vehicle straight line displacement formula turn deceleration system, includes steering axle body (1), fixed swizzle (5) are installed at the both ends of steering axle body (1), swizzle (5) are installed around vertical axis pivoted knuckle (4), knuckle (4) are installed around cross axle pivoted steering wheel (2), steering axle body (1) install with knuckle (4) are connected and are driven steering cylinder (3) that steering wheel (2) turned to, a serial communication port, steering axle body (1) is installed and is used for detecting detection steering cylinder's (3) lateral shifting distance's detection module (7), detection module (7) are connected with the controller, the controller is used for the basis lateral shifting distance is in order to adjust through the rotational speed of adjusting the drive wheel the rotational speed of steering wheel (2).
2. The industrial vehicle straight-line displacement type turning deceleration system according to claim 1, characterized in that the detection assembly (7) comprises a sensor (71) and a sensing member (72), the sensor (71) is connected with a controller, and the sensor (71) is used for outputting different signals to the controller when the sensing member (72) is located at different positions of the sensor (71).
3. The industrial vehicle straight displacement turn deceleration system according to claim 2, characterized in that the sensor (71) is configured to be fixed relative to the steer axle body (1), the sensing member (72) is configured to be fixed relative to the steering cylinder (3), or; the sensor (71) is used for being fixed relative to the steering oil cylinder (3), and the sensing piece (72) is used for being fixed relative to the steering axle body (1).
4. The industrial vehicle straight-line displacement type turning deceleration system according to claim 3, further comprising a connecting rod (6) installed at the steering cylinder (3) and moving laterally together with the steering cylinder (3), wherein the detection assembly (7) is used for detecting a lateral movement distance of the connecting rod (6).
5. The industrial vehicle straight displacement cornering deceleration system according to claim 4, wherein the induction member (72) includes a fastening portion (721) and a magnet portion (722), the magnet portion (722) being provided at a rear end of the fastening portion (721).
6. The industrial vehicle linear displacement type turning deceleration system as claimed in claim 5, characterized in that the connecting rod (6) is provided with a mounting hole for mounting and fixing the sensing member (72), and the magnet part (722) is embedded in the connecting rod (6); the sensor (71) is fixedly arranged on the steering axle body (1).
7. The industrial vehicle straight displacement turn deceleration system according to any one of claims 3 to 6, characterized in that the sensor (71) and the sensing member (72) are both provided in a center.
8. The industrial vehicle linear displacement type turning deceleration system according to any one of claims 2 to 6, characterized in that the sensor (71) comprises a box body (710) and a plurality of potentiometers built in the box body (710), and the sensor (71) outputs voltage signals of the potentiometers when the sensing piece (72) is positioned in the detection area of any one of the potentiometers.
9. The industrial vehicle straight-line displacement type turning deceleration system according to claim 8, wherein all the potentiometers are arranged at equal intervals at a preset distance, the detection areas of the potentiometers are continuously without intervals, and/or; all potentiometers are set in a preset voltage difference gradual change mode, and voltage signals of the potentiometers are gradually decreased.
10. The industrial vehicle straight-line displacement turn deceleration system as claimed in claim 9, wherein the voltage signals output by the sensor (71) include a median voltage signal, a first set of voltage signals, a second set of voltage signals, a third set of voltage signals and a fourth set of voltage signals distributed outward in sequence with the median voltage signal as a central axis, the controller is configured to not decelerate between the median voltage signal and the first set of voltage signals, to decelerate between the median voltage signal and the second set of voltage signals at a first deceleration rate, to decelerate between the first set of voltage signals and the third set of voltage signals at a second deceleration rate, and to decelerate between the second set of voltage signals and the fourth set of voltage signals at a third deceleration rate, the first deceleration rate being greater than the second deceleration rate than the third deceleration rate, and three-stage deceleration is in smooth transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111572898.6A CN114084224A (en) | 2021-12-21 | 2021-12-21 | Linear displacement type turning deceleration system for industrial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111572898.6A CN114084224A (en) | 2021-12-21 | 2021-12-21 | Linear displacement type turning deceleration system for industrial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114084224A true CN114084224A (en) | 2022-02-25 |
Family
ID=80308156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111572898.6A Pending CN114084224A (en) | 2021-12-21 | 2021-12-21 | Linear displacement type turning deceleration system for industrial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114084224A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954653A (en) * | 2022-06-23 | 2022-08-30 | 海汇新能源汽车有限公司 | Steering control device and aligning control method for rear wheel steering electric sweeper |
-
2021
- 2021-12-21 CN CN202111572898.6A patent/CN114084224A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954653A (en) * | 2022-06-23 | 2022-08-30 | 海汇新能源汽车有限公司 | Steering control device and aligning control method for rear wheel steering electric sweeper |
| CN114954653B (en) * | 2022-06-23 | 2024-01-26 | 海汇新能源汽车有限公司 | Steering control device and return control method for rear wheel steering electric sweeper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101239625B (en) | Motor drive motor coach hydraulic steering system and controlling steering method thereof | |
| EP2711212B1 (en) | Suspension device for vehicle | |
| CN203047345U (en) | Steering system and combined type automobile steering system and automobile | |
| CN102085799B (en) | Wheel motion assembly of city electric vehicle | |
| CN111902332B (en) | Steering system and vehicle with same | |
| CN2866285Y (en) | Hydraulic centralizing cylinder of vehicle rear wheel steering mechanism | |
| CN102069843A (en) | Wire controlled wheel independent steering execution mechanism and wheel assembly | |
| JPS62125952A (en) | All-wheel independent steering gear | |
| CN114084224A (en) | Linear displacement type turning deceleration system for industrial vehicle | |
| CN201907555U (en) | Control-by-wire wheel independent steering actuating mechanism and wheel assembly | |
| CN103171612A (en) | Steer-by-wire vehicle steering wheel limit mechanism | |
| CN216468066U (en) | Linear displacement type turning deceleration system for industrial vehicle | |
| CN106152994B (en) | Wheel corner measuring device, multi-axle steering vehicle and wheel corner measuring method | |
| CN201914074U (en) | Wheel movement assembly of urban electric vehicle | |
| JPH0567441B2 (en) | ||
| WO2023232732A1 (en) | Differential steering arrangement for electrically driven lift trucks | |
| CN110901753A (en) | Rear wheel linear control steering gear with middle position self-locking function and control method thereof | |
| CN213007440U (en) | Bogie and have its rail vehicle | |
| CN211568084U (en) | Novel electrically-driven steering wheel set | |
| CN208774867U (en) | A kind of steering structure device of crane | |
| CN215851451U (en) | Auxiliary steering device and vehicle | |
| CN210707601U (en) | Vehicle auxiliary steering control device | |
| CN112918243B (en) | Rudder wheel of AGV dolly | |
| CN217553989U (en) | Trailer gooseneck electric steering structure | |
| CN216546360U (en) | Steering axle assembly and vehicle with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |