CN220974317U - Electric steering control system of industrial vehicle - Google Patents

Abstract

The utility model provides an electric steering control system of an industrial vehicle, which comprises a bogie, a driving system, a steering system, a power supply module, an electromagnetic plate and a power-off positioning system, wherein the driving system, the steering system, the power supply module, the electromagnetic plate and the power-off positioning system are arranged in the bogie, mounting grooves are formed in two ends of the bogie, a containing groove communicated with the mounting grooves is formed in the center position of the bogie, the driving system comprises a gear and a rack which are embedded in the containing grooves, positioning grooves are formed in the side wall of the rack at equal intervals, the power-off positioning system comprises a mounting box fixed on the side wall of the bogie and a positioning block which is elastically inserted in the mounting box, the positioning block is clamped with the positioning groove, the positioning block is magnetically attracted and fixed with the electromagnetic plate, and the steering system comprises a steering shaft which is rotatably arranged in the mounting groove and a tire mounting plate fixed on the side wall of the steering shaft, so that the steering shaft is positioned after the steering motor is powered off, and deviation and dislocation of the steering shaft are avoided.

Description

Electric steering control system of industrial vehicle

Technical Field

The utility model relates to the technical field of electric steering control, in particular to an electric steering control system of an industrial vehicle.

Background

At present, a steering mechanism of a forklift comprises a hydraulic power steering structure, an electric power steering structure and the like, a pump motor is adopted for providing power for a hydraulic pump for the hydraulic steering mechanism, a steering control valve of the hydraulic pump controls the flow direction of oil, and a hydraulic cylinder pushes a slider rocker mechanism to act, so that the steering of wheels is realized. The sensitivity and steering efficiency of the structure are relatively low, the maintenance cost is high, and the potential safety hazard of pollution to the environment due to leakage of hydraulic oil exists.

The patent application number 202010115809.4 discloses an electric steering structure of a balanced forklift truck, which comprises a steering axle body, wherein the steering axle body is provided with a shell, a tie rod, a connecting rod and a steering knuckle, the tie rod is positioned in the shell, and the steering knuckle is connected with the tie rod; the steering motor and the speed reducing mechanism are also included; the output end of the steering motor is connected with the input end of the speed reducing mechanism; the speed reducing mechanism is arranged in the shell and is provided with an output gear; the tie rod is provided with a rack which is meshed with the output gear.

However, the steering motor is controlled by the steering wheel through a circuit, and when the steering motor is in power failure or circuit damage occurs during running, the steering wheel cannot control the direction of the vehicle, and the vehicle is influenced by the friction force between the tire and the ground to cause the situation of direction deviation, so that potential safety hazards exist in use.

Disclosure of utility model

The utility model aims at overcoming the defects of the prior art, and provides an electric steering control system of an industrial vehicle, which realizes the function of locking the steering frame in the power-off direction through the structure of clamping a positioning block and a positioning groove which are arranged elastically and the structure of mutually attracting a magnetic attraction rod on the positioning block, and solves the problem of direction deviation caused by power-off of the steering frame.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric steering control system of industrial vehicle, includes the bogie and installs actuating system, steering system, power module, electromagnetic plate and the outage positioning system in the bogie, the mounting groove has all been seted up at the both ends of bogie, and the central point department of bogie put and has been seted up the holding tank that is linked together with the mounting groove, actuating system is including embedded gear and the rack that sets up in the holding tank, the constant head tank has been seted up to the lateral wall equidistance of rack, the locating piece in the mounting box including fixing mounting box and the elasticity grafting of bogie lateral wall, locating piece and constant head tank joint, and locating piece and electromagnetic plate magnetism inhale fixedly.

Further, the steering system comprises a steering shaft rotatably arranged in the mounting groove and a tire mounting plate fixed on the side wall of the steering shaft, and grooves are formed in one ends, close to the steering shaft, of the two steering shafts.

Further, connecting rods are arranged at two ends of the rack, and two ends of each connecting rod are respectively connected with the rack and the inner wall of the groove in a rotating mode through pin shafts.

Further, a steering motor is fixedly embedded in the side wall of the bogie, and the shaft of the steering motor extends into the accommodating groove to be fixedly connected with the gear.

Further, the power supply module is fixedly arranged on the side wall of the bogie, and the power supply module is respectively and electrically connected with the electromagnetic plate and the driving system.

Further, the side wall of the mounting box is provided with a telescopic groove communicated with the accommodating groove, and springs are embedded into the two ends of the telescopic groove.

Further, the positioning block is inserted into the telescopic groove in a sliding mode, and the side wall of the positioning block is abutted with the spring.

Further, a magnetic suction rod is fixedly arranged at the center of the side wall of the positioning block, and the magnetic suction rod is fixedly attracted with the electromagnetic plate.

The utility model has the beneficial effects that:

(1) According to the utility model, the power-off positioning system is arranged on the side wall of the bogie, when the vehicle is started, the power supply module supplies power to the steering motor and the power-off positioning system, the electromagnetic plate is started after the power supply, the electromagnetic plate is fixedly attracted with the magnetic attraction rod on the side wall of the positioning block, the positioning block is moved out of the positioning groove after the power supply is attracted, the steering motor drives the rack to synchronously move through the gear after the power supply is started, the rack is driven to reciprocate in the accommodating groove through the positive and negative rotation of the steering motor, the steering shaft is driven to rotate through the connecting rod in the motion process, and the tire mounting plate is driven to steer in the rotation process, so that the control steering of the vehicle is facilitated.

(2) According to the utility model, the steering motor and the electromagnetic plate are synchronously powered off due to the failure of the power supply module, and the electromagnetic plate loses magnetism after the power failure, and the spring in the telescopic groove pushes the positioning block to be inserted into the positioning groove, so that the rack is kept transversely fixed in the accommodating groove, the directions of the two steering shafts are kept stable, the steering shafts are conveniently positioned after the power failure of the steering motor, and the situation that the steering shafts deviate and are misplaced is avoided.

Drawings

FIG. 1 is a schematic flow chart of the system of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the bogie according to the present utility model;

FIG. 4 is a schematic diagram of a power-off positioning system according to the present utility model.

In the figure: 1. a bogie; 2. a steering shaft; 3. a power-off positioning system; 301. a telescopic slot; 302. a spring; 303. a positioning block; 304. a mounting box; 305. an electromagnetic plate; 306. a magnetic suction rod; 4. a power supply module; 5. a mounting groove; 6. a tire mounting plate; 7. a connecting rod; 8. a rack; 9. a positioning groove; 10. a groove; 11. a receiving groove; 12. a gear; 13. and a steering motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Example 1

As shown in fig. 1, 2 and 3, the present embodiment provides an electric steering control system of an industrial vehicle, which comprises a bogie 1, a driving system installed in the bogie 1, a steering system, a power supply module 4, an electromagnetic plate 305 and a power-off positioning system 3, wherein both ends of the bogie 1 are provided with mounting grooves 5, a containing groove 11 communicated with the mounting grooves 5 is formed in the central position of the bogie 1, the driving system comprises a gear 12 and a rack 8 which are embedded in the containing groove 11, positioning grooves 9 are formed in the side wall of the rack 8 at equal intervals, the power-off positioning system 3 comprises a mounting box 304 fixed on the side wall of the bogie 1 and a positioning block 303 which is elastically inserted in the mounting box 304, the positioning block 303 is clamped with the positioning grooves 9, the positioning block 303 is magnetically fixed with the electromagnetic plate 305, the steering system comprises a steering shaft 2 rotatably arranged in the mounting groove 5 and a tire mounting plate 6 fixed on the side wall of the steering shaft 2, the two steering shafts 2 are provided with grooves 10 at one end close to each other, connecting rods 7 are arranged at two ends of a rack 8, the two ends of the connecting rods 7 are respectively connected with the rack 8 and the inner wall of the grooves 10 in a rotating way through pin shafts, a steering motor 13 is fixedly embedded in the side wall of the bogie 1, the shaft of the steering motor 13 stretches into a containing groove 11 to be fixedly connected with a gear 12, when a vehicle is started, a power supply module 4 supplies power to the steering motor 13 and a power-off positioning system 3, an electromagnetic plate 305 is started after the power supply, the electromagnetic plate 305 is fixedly attracted with a magnetic attraction rod 306 on the side wall of a positioning block 303, the positioning block 303 is moved out of the positioning groove 9 after the attraction, the steering motor 13 drives the rack 8 to synchronously move through the gear 12 after the starting, the rack 8 is driven to reciprocate in the containing groove 11 through the positive and negative rotation of the steering motor 13, and the steering shaft 2 is driven to rotate through the connecting rod 7 in the moving process, and the tire mounting plate 6 is driven to steer in the rotating process.

Example two

As shown in fig. 4, wherein the same or corresponding parts as those in the first embodiment are denoted by the corresponding reference numerals as in the first embodiment, only the points of distinction from the first embodiment will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that: the power supply module 4 is fixedly arranged on the side wall of the bogie 1, the power supply module 4 is electrically connected with the electromagnetic plate 305 and the driving system respectively, the side wall of the installation box 304 is provided with a telescopic groove 301 communicated with the accommodating groove 11, two ends of the telescopic groove 301 are respectively embedded with a spring 302, the positioning block 303 is slidably inserted into the telescopic groove 301, the side wall of the positioning block 303 is abutted with the springs 302, the magnetic attraction rod 306 is fixedly arranged at the center position of the side wall of the positioning block 303, the magnetic attraction rod 306 is fixedly attracted with the electromagnetic plate 305, the power supply module 4 fails to cause the synchronous power failure of the steering motor 13 and the electromagnetic plate 305, the electromagnetic plate 305 loses magnetism after the power failure, and the springs 302 in the telescopic groove 301 push the positioning block 303 to be inserted into the positioning groove 9, so that the rack 8 is kept transversely fixed in the accommodating groove 11, and the directions of the two steering shafts 2 are kept stable.

Working procedure

Step one, when the vehicle starts, the power supply module 4 supplies power to the steering motor 13 and the power-off positioning system 3, and after power supply, the electromagnetic plate 305 is started, the electromagnetic plate 305 is fixedly attracted with the magnetic attraction rod 306 on the side wall of the positioning block 303, and after the attraction, the positioning block 303 is moved out of the positioning groove 9, the steering motor 13 drives the rack 8 to synchronously move through the gear 12 after starting, the rack 8 is driven to reciprocate in the accommodating groove 11 through the forward and backward rotation of the steering motor 13, the steering shaft 2 is driven to rotate through the connecting rod 7 in the moving process, the tire mounting plate 6 is driven to rotate in the rotating process, when the power supply module 4 fails, the steering motor 13 and the electromagnetic plate 305 synchronously break power, the electromagnetic plate 305 loses magnetism after power is broken, the spring 302 in the telescopic groove 301 pushes the positioning block 303 to be inserted into the positioning groove 9, so that the rack 8 is kept transversely fixed in the accommodating groove 11, the directions of the two steering shafts 2 are kept stable, the steering shaft 2 is conveniently positioned after the steering motor 13 is powered off, and the situation that deviation and dislocation of the steering shaft 2 are avoided.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. The utility model provides an electric steering control system of industrial vehicle, includes bogie and installs actuating system, steering system, power module, electromagnetic plate and outage positioning system in the bogie, its characterized in that, the mounting groove has all been seted up at the both ends of bogie, and the central point of bogie puts and has been seted up the holding tank that is linked together with the mounting groove, actuating system is including embedded gear and the rack that sets up in the holding tank, the constant head tank has been seted up to the lateral wall equidistance of rack, outage positioning system is including fixing the locating piece in the mounting box of bogie lateral wall and elasticity grafting, locating piece and constant head tank joint, and locating piece and electromagnetic plate magnetism inhale fixedly.

2. The electric steering control system of claim 1, wherein the steering system comprises steering shafts rotatably disposed in the mounting grooves and tire mounting plates fixed to the side walls of the steering shafts, and wherein both of the steering shafts are recessed at one end thereof adjacent to each other.

3. The electric steering control system of an industrial vehicle according to claim 2, wherein connecting rods are provided at both ends of the rack, and both ends of the connecting rods are rotatably connected to the rack and the inner wall of the groove, respectively, through pin shafts.

4. The electric steering control system of an industrial vehicle according to claim 1, wherein a steering motor is fixedly embedded in a side wall of the bogie, and a shaft of the steering motor extends into the accommodating groove to be fixedly connected with the gear.

5. The electric steering control system of claim 1, wherein the power module is fixedly mounted on a side wall of the bogie and is electrically connected to the electromagnetic plate and the drive system, respectively.

6. The electric steering control system of an industrial vehicle according to claim 1, wherein the side wall of the mounting box is provided with a telescopic slot communicated with the accommodating slot, and springs are embedded at both ends of the telescopic slot.

7. The electric steering control system of an industrial vehicle of claim 1, wherein the positioning block is slidably inserted into the telescoping slot with a side wall of the positioning block abutting the spring.

8. The electric steering control system of an industrial vehicle according to claim 1, wherein a magnetic attraction rod is fixedly installed at the center of the side wall of the positioning block, and the magnetic attraction rod is fixedly attracted with the electromagnetic plate.