CN216611349U

CN216611349U - Device for smooth triggering when electric forklift rotates steering wheel to trigger steering

Info

Publication number: CN216611349U
Application number: CN202122710103.5U
Authority: CN
Inventors: 李晓; 马乙; 张晨飞; 赖有林
Original assignee: Lonking Shanghai Forklift Co ltd
Current assignee: Lonking Shanghai Forklift Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-27
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to a device for smooth triggering when an electric forklift rotates a steering wheel to trigger steering, which mainly comprises the steering wheel, a steering device assembly, a bearing sensor, a signal processor, a controller assembly and a steering motor, wherein the steering device assembly comprises a steering wheel, a steering gear and a steering motor; the steering wheel is arranged at the upper part of the steering device assembly; the bearing sensor is embedded in the steering device assembly; one end of the steering device assembly is connected with one end of the signal processor through a lead, the other end of the signal processor is connected with one end of the controller assembly through a lead, and the other end of the controller assembly is connected with the steering motor through a lead; the signal processor converts the signal of the bearing sensor into a voltage signal and transmits the voltage signal to the controller assembly so as to drive the steering motor to operate. This device that level and smooth trigger when electric fork truck rotates steering wheel and triggers to turn to, energy consumption in the reducible fork truck working process, noise reduction promotes the travelling comfort and the flexibility of fork truck operation.

Description

Device for smooth triggering when electric forklift rotates steering wheel to trigger steering

Technical Field

The utility model relates to the technical field of electric forklift accessories, in particular to a device for smooth triggering when an electric forklift rotates a steering wheel to trigger steering.

Background

With the continuous progress of society, the electric forklift industry is widely applied to various industries. During normal use of the electric forklift, the steering control mechanism is an important component. The steering mechanism is composed of a steering wheel, a steering device assembly and the like, and generally transmits a steering force of a driver turning the steering wheel to the steering gear. At present, most of electric forklifts adopt a hydraulic power-assisted steering mode, and a steering motor is driven to operate after an accelerator signal, a brake signal or a direction switch input signal is detected. The action of the steering motor is generated by following the walking action of the forklift, and the actual steering requirement of the vehicle is not met, so that the defects of high energy consumption, high noise, inflexible operation and the like exist; in addition, in the actual implementation process of the device for triggering the steering of the whole vehicle by rotating the steering wheel, because the steering wheel drives the steering device assembly to move, the bearing sensor cannot detect the movement, and the phenomenon that the initial triggering point of the steering is blocked can occur.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a device for smoothly triggering when the electric forklift turns the steering wheel to trigger steering, in order to solve the above-mentioned technical problems.

A device for smooth triggering when an electric forklift rotates a steering wheel to trigger steering mainly comprises the steering wheel, a steering device assembly, a bearing sensor, a signal processor, a controller assembly and a steering motor; the steering wheel is arranged at the upper part of the steering device assembly; the bearing sensor is embedded in the steering device assembly; one end of the steering device assembly is connected with one end of the signal processor through a lead, the other end of the signal processor is connected with one end of the controller assembly through a lead, and the other end of the controller assembly is connected with the steering motor through a lead; the signal processor converts the signal of the bearing sensor into a voltage signal and transmits the voltage signal to the controller assembly so as to drive the steering motor to operate.

In one embodiment, the signal processor is fixedly arranged on the vehicle frame through a bracket.

In one embodiment, the signal processor comprises a signal processor body, one side of the signal processor body is externally connected with a signal processor power supply, and the other side of the signal processor body is connected with a relay; one side of the relay is externally connected with input voltage.

In one embodiment, the steering motor is provided with a temperature sensor and a speed sensor, and the temperature sensor and the speed sensor are connected with the controller assembly.

The device for smoothly triggering when the electric forklift rotates the steering wheel to trigger steering has the advantages of simple structure and convenience in installation, and can adopt the control mode that the output signal of the bearing sensor is used for controlling the steering action output of a vehicle, so that a control system can control the steering motor to operate according to the actual steering demand input by an operator, when the vehicle has no steering demand, namely when the operator does not rotate the steering wheel, the bearing sensor does not output pulse signals, and the steering motor operates at the idling speed of 200 rpm. In this case, the noise of the running of the vehicle is small, and the energy consumption is reduced; the steering pulse signal can be stably and reliably output through the bearing sensor, and the safety and the stability of the system are ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic connection diagram of the present invention;

fig. 2 is a schematic diagram of the working principle of the present invention.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, an embodiment of the utility model provides a device for smooth triggering when an electric forklift rotates a steering wheel to trigger steering, which mainly comprises a steering wheel 1, a steering device assembly 2, a bearing sensor 3, a signal processor 4, a controller assembly 5 and a steering motor 6; the steering wheel 1 is arranged on the upper part of the steering device assembly 2; the bearing sensor 3 is embedded in the steering device assembly 2; one end of the steering device assembly 2 is connected with one end of the signal processor 4 through a lead, the other end of the signal processor 4 is connected with one end of the controller assembly 5 through a lead, and the other end of the controller assembly 5 is connected with the steering motor 6 through a lead; the signal processor 4 converts the signal of the bearing sensor 3 into a voltage signal and transmits the voltage signal to the controller assembly 5 so as to drive the steering motor 6 to operate.

In an embodiment of the present invention, the signal processor 4 is fixedly disposed on the frame 7 through a bracket.

In an embodiment of the present invention, the signal processor 4 includes a signal processor body 8, one side of the signal processor body 8 is externally connected to a signal processor power supply 9, and the other side of the signal processor body 8 is connected to a relay 10; one side of the relay 10 is externally connected with an input voltage 11.

In one embodiment of the utility model, the steering motor 6 is provided with a temperature sensor 12 and a speed sensor 13 for detecting the operating temperature and the rotational speed of the steering motor 6 and sending the operating temperature and rotational speed data to the controller assembly 5.

The working principle of the device for smoothly triggering when the electric forklift rotates the steering wheel to trigger steering is as follows:

first, when the entire vehicle is powered on, the steering motor 6 is idling at 200 rpm.

When an operator rotates a steering wheel, the steering motor 6 can counteract the inching resistance of the idle stroke of the steering wheel at 200rpm, the steering wheel 1 drives a steering shaft of the steering device assembly 2 to rotate, meanwhile, a bearing sensor 3 is arranged in the steering device assembly 2 and outputs signals along with the rotation of the steering shaft, pulse signals output by the bearing sensor 3 are converted into voltage signals after being processed by the signal processor 4 and then are transmitted to the controller assembly 5, and therefore the steering motor 6 is driven to operate at normal rotating speed through the controller assembly 5, and the hydraulic power-assisted steering of a vehicle is smoothly triggered.

When the operator does not turn the steering wheel 1, the bearing sensor 3 outputs no pulse signal, the vehicle has no steering demand, and the controller assembly 5 controls the steering motor 6 to reduce the rotating speed to 200rpm idling speed.

The device that smooth trigger when this application electric fork-lift rotates steering wheel and triggers to turn to possesses following advantage for traditional steering control mechanism: the structure is simple, and the assembly and disassembly are convenient; the steering pulse signal can be stably and reliably output through the bearing sensor 3, and the safety and the stability of the system are guaranteed; and thirdly, a control mode of controlling the steering action output of the vehicle by adopting the output signal of the bearing sensor 3 enables a control system to control the steering motor to operate according to the actual steering requirement input by an operator, when the vehicle has no steering requirement, namely when the operator does not rotate a steering wheel, the bearing sensor has no pulse signal output, and the steering motor operates at the idling speed of 200 rpm. In this case, the noise of the running of the vehicle is small, and the energy consumption is reduced; and fourthly, the comfort and the flexibility of the forklift in the operation process are improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-described examples merely represent several embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a device that smooth triggering when electric fork-lift rotates steering wheel and triggers to turn to which characterized in that: comprises a steering wheel (1), a steering device assembly (2), a bearing sensor (3), a signal processor (4), a controller assembly (5) and a steering motor (6);

the steering wheel (1) is arranged at the upper part of the steering device assembly (2);

the bearing sensor (3) is embedded in the steering device assembly (2);

one end of the steering device assembly (2) is connected with one end of the signal processor (4) through a lead, the other end of the signal processor (4) is connected with one end of the controller assembly (5) through a lead, and the other end of the controller assembly (5) is connected with the steering motor (6) through a lead; the signal processor (4) converts the signal of the bearing sensor (3) into a voltage signal and transmits the voltage signal to the controller assembly (5) so as to drive the steering motor (6) to operate.

2. The device for smooth triggering when the electric forklift rotates the steering wheel to trigger steering according to claim 1, characterized in that: the signal processor (4) is fixedly arranged on the frame (7) through a bracket.

3. The device for smooth triggering when the electric forklift rotates the steering wheel to trigger steering according to claim 1, characterized in that: the signal processor (4) comprises a signal processor body (8), one side of the signal processor body (8) is externally connected with a signal processor power supply (9), and the other side of the signal processor body (8) is connected with a relay (10); one side of the relay (10) is externally connected with an input voltage (11).

4. The device for smooth triggering when the electric forklift rotates the steering wheel to trigger steering according to claim 1, characterized in that: the steering motor (6) is provided with a temperature sensor (12) and a speed sensor (13), and the temperature sensor (12) and the speed sensor (13) are connected with the controller assembly (5).