JPH01261200A - Drive control device in industrial vehicle - Google Patents

Abstract

PURPOSE:To facilitate adjustment of action in a driving gear by constituting a device reading data of an external memory medium, storing in memory a data for determining the action of a driving means for every driver, and determining the action of the driving means, based on a control of an operating mans, being based on the data of the external memory medium. CONSTITUTION:An IC card 23, which is provided in every driver, is used serving as the external memory medium storing in memory a data for the driver to determine a driving means in its action, and the IC card 23 stores in memory the action determining data of running acceleration action, lift action of a lift cylinder 8, action of a tilt cylinder 14, etc. In every shift of the driver, by inserting the IC card 23, possessed by the driver, into a card data read-write device 22 of a control box 21 reading the data, a machine bed controlling control unit 2 determines running acceleration, lift speed of the lift cylinder 8 and a speed of the tilt cylinder 14 for that driver.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a drive control device for an industrial vehicle such as a forklift.

[Conventional Technique II] Conventionally, for example, in a battery-powered forklift, driving operations such as traveling acceleration and lift/tilt speed can be adjusted. As shown in FIG. 4, these are the acceleration adjustment volume VR1 for adjusting the traveling speed ai, and the lift speed adjustment volume VR2 for adjusting the lift speed.
, a tilt speed adjustment volume VR3 for adjusting the tilt speed is provided, and each volume VR1°VH
2, VB2 (7) lIlf value is converted to a digital value in A10] member 91, and the converted value is further transferred to the machine tJ.
j Taken into H control unit 2.

Then, the machine control control unit 2 determines the motor acceleration based on the set value by the acceleration adjustment volume VRI, and controls the acceleration so that the acceleration is achieved by operating the accelerator pedal 2 (detection operation of the accelerator pedal operation detection sensor 4). The traveling motor 5 is not driven.

In addition, the control unit 2 for controlling the machine controls the pump motor 7 that drives the hydraulic pump 6 based on the set value by the lift/speed adjustment volume VR2 at tII 111 to adjust the extension operation speed of the lift cylinder 8 (Ill, fork lift). speed). This lift operation is performed by outputting a detection signal from a lift lever operating position detection sensor 10 that detects the operating position of the lift lever 9 to the control unit 2 for controlling the machine and the control valve 11, which controls the control unit 2 and the control valve 11. This is done by controlling the valve 11 to switch.

Furthermore, control unit 2 for machine t111111
is the till [-pump motor 13 that drives the hydraulic pump 12 based on the set value by the speed adjustment volume VR3.
υNIO to calculate the telescopic operation speed of the tilt cylinder 14 (
That is, the tilt speed) is controlled.

This tilt operation is detected by the tilt lever operation position detection sensor 16 that detects the operation position of the tilt lever 15 (3@ is output to the control unit 2 for controlling the machine and the control valve 17, and the control unit 2 is controlled. At the same time, the control valve 17 is controlled to switch.

[Problems to be Solved by the Invention] However, the appropriate running acceleration and cargo handling speed (lift operation speed, tilt operation speed) differ depending on the driving experience or skill of the driver, and because one forklift is used by multiple people. Moreover, each time the driver changes, it is necessary to operate the volumes VR1, VR2° and VR3 to adjust the running acceleration, etc., which is optimal for that driver, which is very troublesome.

SUMMARY OF THE INVENTION An object of the present invention is to provide a drive control device for an industrial vehicle that solves the above-mentioned problems and can easily adjust the operation of the drive device to suit the skill and experience of each driver.

[Means for Solving Problem 11] The first invention is an industrial vehicle that is equipped with a drive means that is driven by the operation of an operating means and that can adjust the operation of the drive means. an external storage medium storing data for determining the operation of the driving means of the user; a data reading means for reading the data stored in the external storage medium; and an operation based on the data read by the data reading means. The gist of the present invention is a drive unit and a control device for an industrial vehicle, which includes a control unit that determines the operation of the drive unit based on the operation of the unit.

A second invention provides an industrial vehicle equipped with a driving means that is driven by the operation of an operating means, and an external storage medium that is provided for each driver and stores driver data for identifying the driver; a data reading means for reading data stored in an external storage medium; and a control means for not causing the driving means to operate if the driver data read by the data reading means is not pre-registered driver data. The gist of this invention is a driving force training IIl device for an industrial vehicle equipped with the following.

[Operation 1 In the first invention, the data reading means reads data for determining the operation of the driving means of the driver from the external storage medium, and the data reading means reads the data for determining the operation of the driver's driving means, and the fb! Based on the read data, the t19 means determines the operation of the operating means based on the operation of the operating means. As a result, the operation of the drive means can be adjusted by simply reading out the data stored in the external storage medium each time the driver takes action.

Further, in the second invention, the data reading means reads driver data for identifying the driver from the external storage medium, and the control means controls the driving data in which the driver data read by the data reading means is registered in advance. If the data is not user data, the driving means is not operated.

[Embodiment 1] Hereinafter, an embodiment in which the present invention is embodied in a battery-powered forklift will be described with reference to the drawings. Note that components having the same configuration as the battery-powered forklift truck described above will be designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in Figure 1, the driver's seat of a battery-powered forklift is equipped with a drive! A control box 21, which is the main part of the II control device, is installed, and the box 21 is equipped with a card data writing/reading device 22 as data reading means. Further, an IC card 23 as an external storage medium is prepared for each driver, and the card data writing/reading device 22 reads the IC card 23 when the IC card 23 is inserted.
It is now possible to write and store data. The control box 21 is equipped with a keyboard 24, and various keys that can be operated by the driver are prepared. Furthermore, the control box 21 has a display! 25 is provided, and various data are displayed on the device 25.

Also, a control unit 26 constituting a control means is built into the control box 21, and the control unit 26 inputs signals from the keyboard 24 via an interface 27, and also receives input by key operations. Display the data on display 14W25,
Furthermore, the card data writing/reading device 22 writes the key manual data to the IC card 23 and the IC card 2
Data can be read from 3.

The control unit 26 and the machine-based illumination control unit 2 constituting the control means are connected via communication interfaces 27 and 28, and communicate with each other (exchanging data). 11 units 1bl
As described above, the W control unit 2 detects the operation of the accelerator pedal 3 as an operation means using a signal from the accelerator pedal operation detection sensor 4, and controls the operation of the travel motor 5 as a drive means. The operation of the lift and tilt lever 9.15 as an operating means is detected by the signal from the tilt lever operation position detection sensor 10.16, and the hydraulic motor 7.13 is controlled, and the lift and tilt cylinder 8.14 is used as a driving means.
It is now possible to control the operation of

Next, the operation of the drive 1) Jill tall device in the battery-powered forklift constructed as described above will be explained based on FIG. 2.

First, the control unit 26 performs initialization when the key switch is turned on with the IC card 23 inserted into the card data write/read \1ift 22 (step 1). The control unit 6 then detects the driving acceleration of the driver.

A key operation for writing new or modified data to the IC card 23 to determine each operation such as lift operation speed and tilt operation speed, or a forklift operation based on the data already written to the IC card 23. Waits for key operation to drive (step 2).

Then, when the driver performs a key operation to fill the IC card 23 with data, the control unit 26 responds to the key operation and performs a data writing process (
Execute steps 3-5). In this processing operation, first, data for determining each of the operations is input using the keyboard 24, and is written to the IC card 23, and the input data is displayed on the display device 25. Therefore,
In this processing operation, new data is written to the new IC card 23. Further, the IC card 23 for correction is loaded with polished correction data.

When the writing is completed, the control unit 2
6 reads each data of the IC card 23 (step 6), transfers it to the machine ESW stiffness control unit via the communication interface 28, 29, and ends the operation (step 7).

Therefore, from now on, the control unit 2 for machine m- controls the operation of each drive means υN based on this transferred data.
ml.

On the other hand, in step 2, when a key operation is performed to operate the forklift based on the data stored in the IC card 23, the control unit 26 immediately reads each data stored in the IC card 23 (step 6). , the data is transferred to the machine control control unit 2 via the interfaces 28 and 29, and the operation is completed (Step 7).

As a result, the machine control control unit 2 controls the hydraulic motor 7.13 based on the data from the control unit 26 (data on the IC card 23), and determines and adjusts the operations of the lift and tilt cylinders 8.14.

In this way, the drive control device for the battery-powered forklift of this embodiment is provided for each driver.
The IC card 23 is used as an external storage medium for storing data for determining the operation of the driver's driving means, and the driving acceleration operation 71 to the upward movement of the cylinder 8 and the operation of the tilt cylinder 14 are determined. The data is stored in the IC card 23, and each time the driver changes, the IC card 23 held by that driver is inserted into the card data writing/reading device 22, and the same data is read out and the driving acceleration and lift for that driver are read out. The control unit 2 for machine control controls the upper limit speed of the cylinder 8 and the speed of the tilt cylinder 14.
can be determined. Therefore, the IC card 23 can be inserted into the card data writing/reading device 22 without having to operate the volumes VR1, VR2, and VR3 to adjust the running acceleration, etc. that is optimal for the driver every time the driver changes. You can easily set the optimum settings by simply

As another aspect of the present invention, driver data for identifying the driver is stored in the IC card 23 in addition to data such as traveling acceleration, lift operation speed, and tilt operation speed, and the routine shown in FIG. By executing this IC card 23
The driving means may not operate if the driver data read from the driver data is not pre-registered driver data.

That is, the control unit 26 determines whether or not the ICI C card 23 is registered in advance in step 8, and if a registered card is inserted, a drive stop signal is sent to the base control control unit 1-2. , and all drive devices are not driven (step 9). In other words, the traveling acceleration, lift operation speed, and tilt operation are performed only when the data of the IC card 23 is read and it is determined that the driver is a previously registered driver.

As a result, only registered drivers can drive and handle cargo.

Further, as another aspect, data is input into the IC card 23 using a card data writing/reading device 1 provided in the drive control device.
22, it may be carried out by a card data farming device separate from the drive control device, and the drive-side W device only reads the data.

Furthermore, as the external recording medium, a magnetic card or the like may be used in addition to the IC card.

[Effects of the Invention] As detailed above, according to the first invention, it is possible to easily adjust the operation of the drive device to suit the skill and experience of each driver, and according to the second invention, For example, only those registered in advance can drive the driving means, which provides an excellent effect.

[Brief explanation of the drawing]

FIG. 1 is an electric and hydraulic circuit diagram for explaining a drive control device for an industrial vehicle embodying the present invention, FIG. 2 is a flowchart of the drive control device for an industrial vehicle, and FIG.
The figure is a flowchart of a drive control device for a separate industrial vehicle, and FIG. 4 is a circuit diagram for explaining the drive control device for a conventional industrial vehicle. Reference numeral 2 denotes a base control control unit constituting a control means, 3 a 7xel pedal as an operating means, 5 a travel motor as a driving means, 8 a lift cylinder as a driving means, 9 a lift lever as an operating means, 14 is a tilt cylinder as a driving means, 15 is a tilt lever as an operating means, 22 is a card data writing/reading device as a data reading means, 23 is an IC card as an external storage medium, and 26 is a control forming a control means. unit.

Claims (1)

[Scope of Claims] 1. In an industrial vehicle that is equipped with a drive means that is driven by the operation of an operating means and that can adjust the operation of the drive means, an industrial vehicle that is provided for each driver and that controls the operation of the drive means by the driver. an external storage medium storing data for determination; a data reading means for reading the data stored in the external storage medium; and a driving means based on the operation of the operating means based on the data read by the data reading means. A drive control device for an industrial vehicle, comprising a control means for determining operation. 2. In an industrial vehicle equipped with a driving means that is driven by the operation of an operating means, an external storage medium provided for each driver and storing driver data for identifying the driver; The data reading means reads the stored data, and the control means does not cause the drive means to operate if the driver data read by the data reading means is not pre-registered driver data. Drive control device for industrial vehicles.