JP2002149050A - Training device for transmission of machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a training device for a transmission capable of easily understanding the configuration and operational principal of an electronic control transmission can easily be understood and repair techniques can be digested. SOLUTION: A transmission lever 16 for directing a speed step and a running direction to an electronic control transmission, an electric circuit parts 19 for controlling the electronic control transmission according to the speed step and running direction directed by the transmission lever 16, and a transmission controller 21 are installed on a 1st board 11. Plural clutch solenoids 52 for controlling a speed change mechanism of the electronic control transmission operated by a signal outputted from the transmission controller 21, and a mobile model 53 of the speed change mechanism imitating the speed change mechanism are installed on a 2nd board 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission training apparatus for a machine equipped with an electronically controlled transmission.

[0002]

2. Description of the Related Art A transmission mounted on a conventional construction machine only shifts up and down by hydraulic control, so that it is easy to understand without a special training device.

On the other hand, recently, transmissions electronically controlled using a computer require more advanced repair techniques, and a transmission training apparatus capable of meeting the demands is desired.

[0004]

At that time, using the electronically controlled transmission of the actual machine as it is involves the engine and the hydraulic control system, and also has a large weight and volume, so that its structure and operating principle can be easily understood. It is difficult to put together as much as possible, but if there is no actually operated mechanical part such as a speed change mechanism, it will be a mere training of electric and electronic circuits, and repair technology for electronically controlled transmissions will be surely It is difficult to learn.

The present invention has been made in view of the above points, and it is easy to understand the structure and operation principle of an electronically controlled transmission. In addition, the present invention has been applied to an electronically controlled transmission in relation to a mechanism part actually operated. An object of the present invention is to provide a transmission training device that can surely acquire related repair techniques.

[0006]

According to the present invention, there is provided an apparatus main body, a transmission lever mounted on the apparatus main body for instructing an electronically controlled transmission of a machine to indicate a speed step and a traveling direction, and an apparatus. An electronic circuit component and a transmission controller mounted on the main body for controlling an electronically controlled transmission according to a speed stage and a traveling direction designated by a transmission lever, and are operated by a signal output from the transmission controller mounted on the main body and operated electronically. A transmission actuator for controlling a transmission mechanism of a controlled transmission, and a movable transmission mechanism model simulating the transmission mechanism of an electronically controlled transmission mounted on the main body of the apparatus and operated by a signal output from a transmission controller. This is a training device for transmission of a machine that has been equipped with a transmission lever, an electric circuit component, a transmission controller, a transmission actuator, and a movable transmission mechanism model that can be mounted compactly on the device body. The structure of the transmission is easy to understand, the operating principle is easy to understand from the shift change by the transmission lever to the movement mechanism model, and furthermore, electronic control in relation to the actually operated gear shifting actuator and gear mechanism model Repair technology related to the transmission can be surely acquired.

According to a second aspect of the present invention, there is provided a transmission training apparatus for a machine according to the first aspect, wherein the apparatus main body includes a first board on which a transmission lever, an electric circuit component, and a transmission controller are mounted, and a speed change gear. A second board on which an actuator and a transmission mechanism model are mounted, whereby installation and wiring of mainly electric devices on the first board and mainly mechanical devices on the second board The first board and the second board can be separated and easily moved during transportation.

According to a third aspect of the present invention, there is provided a training apparatus for a transmission of a machine according to the first or second aspect, wherein a plurality of troubleshooting units are provided on a back surface of the main body of the apparatus and cause a failure by breaking an electric wiring. It is provided with wiring intermittent means, which enables trouble spots to be easily selected and made using the trouble shooting and interrupting means. It is possible to improve the understanding of the controlled transmission and the ability to deal with troubles.

According to a fourth aspect of the present invention, there is provided the training machine for machine transmission according to the third aspect, wherein the transmission controller diagnoses a failure of the input / output circuit and failure information obtained by the diagnosis. Having a data link unit capable of connecting a failure diagnostic tool that retrieves the failure information recorded in the transmission controller and searches for a failure in the electric system. By connecting a failure diagnosis tool to the data link section of the transmission controller and communicating, the failure information in the transmission controller can be called to the failure diagnosis tool, and unknown failure points created using the troubleshooting wiring intermittent means can be easily performed. Can train on techniques that can be explored.

According to a fifth aspect of the present invention, in the training apparatus for machine transmission according to the third or fourth aspect, a function of diagnosing a failure of the input / output circuit mounted on the apparatus main body, recording and displaying the failure information is provided. With this, it is possible to train a method of easily searching for an unknown failure point created by using the trouble-shooting wiring connecting / disconnecting means by using the monitoring system device.

According to a sixth aspect of the present invention, in the training apparatus for transmission of a machine according to any one of the third to fifth aspects, the weight of the load mounted on the apparatus main body and lifted by the machine is measured by a detector. It is equipped with a payload system device that has the function of displaying and recording the result, diagnosing the failure of the measurement circuit, and recording and displaying the failure information, whereby the weight of the load is measured using the payload system device. Can learn how to easily search for faults in the measurement circuit.

According to a seventh aspect of the present invention, in the training apparatus for transmission of a machine according to any one of the first to sixth aspects, the transmission mechanism model is driven by an electric motor provided in place of an engine and an electric motor. A speed change planetary gear set, and a speed detector for detecting a rotation speed of at least an input portion and an output portion of the speed change planetary gear set and inputting a detection signal to a transmission controller, the electric motor being mounted on the device body. Accelerator-type motor speed variable means for accelerating and decelerating the rotational speed of the gears, shifting gear braking means for applying gear shifting braking to the gear shifting planetary gear set, and applying a load to the output section of the gear shifting planetary gear set mounted on the apparatus body. Load braking means, which allows the actual engine and transmission mechanism to be Without having an accelerator-type motor speed changing means, the speed change brake unit and the load braking means,
The speed change planetary gear set of the speed change mechanism model can be operated in the same manner as the actual one, and at that time, the rotational speed of at least the input and output portions of the speed change gear planetary gear set is detected by a speed detector, and the detection signal is output. Input to the transmission controller to confirm the shift function of the electronically controlled transmission,
Measurement of signal output and the like can be performed in the same manner as the actual machine.

According to an eighth aspect of the present invention, in the training apparatus for a machine transmission according to the seventh aspect, a transparent case for covering the transmission mechanism model is provided.
As a result, the movement of the operating transmission mechanism model can be checked from the outside, and sound and protection can be achieved.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows an example of a training device for an electronically controlled transmission of a wheel loader as a machine.
An apparatus main body 10 includes a first board 11 erected and a first board 11
And a second board 12 erected near the board 11.

The first board 11 is provided with a horizontal operation device mounting plate 13.
On the other hand, the electric circuit component mounting plate 14 is installed vertically.

A transmission lever 16 is mounted on the operation device mounting panel 13 via a mounting table 15.
An auto / manual changeover switch 18 is attached via 17.

The transmission lever 16 is an operating device that outputs an electric signal for instructing a speed stage and a traveling direction to an electronically controlled transmission of the machine by a turning operation of twisting a grip. The automatic / manual changeover switch 18 is a switch for changing over the transmission to manual shifting or automatic shifting.

An electric circuit component mounting plate 14 includes an electric circuit component 19 for controlling an electronically controlled transmission according to a speed stage and a traveling direction indicated by a transmission lever 16, and a transmission controller 21.
Is installed.

The transmission controller 21 has a built-in computer equipped with a central processing unit, a memory, and the like. The transmission controller 21 mainly controls the vehicle based on the engine speed, the transmission speed, and the shift position of the transmission lever 16 (speed stage, running direction). The electronic control module automatically shift-controls the electronically controlled transmission according to the present invention. The electronic control module operates the corresponding shift clutch solenoid based on the information on the rotational speed and the shift position. Is selected, the speed is controlled to the speed designated by the lever operation of the operator.

The transmission controller 21
Has a failure diagnosis function for diagnosing a failure of a machine input / output circuit and a failure information recording function for recording failure information obtained by the diagnosis in a memory, and fetching the failure information recorded in the memory. And a data link unit 22 to which a failure diagnosis tool (not shown) for searching for a failure in the electric system can be connected.

The failure diagnosis tool includes a personal computer, a communication adapter tool, a data link cable, diagnosis software, and the like.

The electric circuit parts 19 are mounted on the electric circuit part mounting plate 14.
100 V AC to DC (hereinafter DC is referred to as “D
C) is provided with a 24V DC power supply (not shown) for converting to 24V, and a key start switch 23, a main power relay 24,
A starter relay 25, a main breaker 26, a disconnect switch 27, a fuse box 28, and the like are provided.

Further, on the front surface of the electric circuit component mounting plate 14 of the first board 11, a monitoring system device 34 and a payload system device 35 are provided together with a pressure switch / sensors 31, a temperature sensor 32, and a fuel level float sensor 33. Is provided.

The key start switch 23 applies a voltage from a 24 V DC power supply to the coil of the main power relay 24.
When the coil is energized by turning on the power supply, 24 V DC is applied to the system, and the starter relay 25 is activated by the key start switch.
When 23 is set to the start position, the coil of the engine starter is excited to rotate the starter motor, and the main breaker 26
The maximum current is limited, and the disconnect switch 27
The (-) terminal of the 24V power supply is connected or disconnected from the ground circuit, and the fuse box 28 limits the current in the circuit.

The pressure switches / sensors 31 sense or detect the oil pressure in the hydraulic circuit, and the temperature sensor 32 detects the cooling water temperature, the operating oil temperature of the hydraulic circuit, the oil temperature of the torque converter, and the like. The sensor 33 detects a fuel level.

The monitoring system unit 34 includes a main display module 36 containing a central processing unit and a memory, a quadruple gauge 37, an octopus speedometer 38, and is connected to various switches and various sensors of the machine. The system has a function of diagnosing those faults while monitoring the operation information of the circuit, and recording and displaying the fault information to help early detection of the fault.

That is, it has a data memory function for storing information transmitted from an operating input / output circuit, and a self-diagnosis function for managing and warning whether the vehicle system is normal or abnormal.

The main display module 36 displays an abnormal location, status, and failure information of the transmission controller 21, and the like, and the quadruple gauge 37 displays a cooling water temperature, a hydraulic oil operating temperature, a torque converter oil temperature, and a fuel level, respectively. The octopus speedometer 38 displays the engine speed and the running speed.

The payload system device 35 includes a central processing unit, a control module 42 having a display unit 41 and a built-in memory, a keypad 43, a lift cylinder oil pressure sensor 44 and a lift arm angle sensor 45 as detectors, and the like. It has a work load integration function that measures the weight of the load lifted by the wheel loader, displays and records the measurement result, and has the sensor 4
It also has the function of diagnosing faults in the measurement circuit consisting of 4, 45 and their wiring systems, and recording and displaying fault information.

The payload system device 35
Is to calculate the bucket load by detecting the head end pressure of the lift cylinder by a lift cylinder oil pressure sensor 44 and detecting the angle position of the lift arm by a lift arm angle sensor 45. Using 35, a method of searching for a failure of the lift cylinder oil pressure sensor 44 and the lift arm angle sensor 45 for measuring the weight of the load is trained.

Further, the electric wiring 46 of each electric circuit component 19
Is performed on the back side of the electric circuit component mounting plate 14, a part of which is drawn out to the front side of the electric circuit component mounting plate 14 and connected by the wiring connector 47.

As shown in FIG. 2, on the back surface of the first board 11, the electric wiring 46 is broken to cause a simulated fault, and a trouble-shooting wiring connecting / disconnecting means for training in searching for a fault. The trouble switch 48 as the mounting base 49
Are provided in plurality. This trouble switch 48
Turns on the electric wiring and turns off the electric wiring.

Returning to FIG. 1, a second board 12 installed adjacent to the first board 11 and electrically connected by an electric wiring 51 outputs an output from the transmission controller 21 based on an instruction of the transmission lever 16. A plurality of clutch solenoids 52 as shift actuators that operate in response to a given signal to control the transmission mechanism of the electronically controlled transmission, and a transmission mechanism of an electronically controlled transmission that is activated by a signal output from the transmission controller 21 A movable transmission mechanism model 53 is mounted.

The plurality of clutch solenoids 52 are clutch control solenoids used for an electromagnetic proportional valve for controlling the operating oil pressure supplied to the hydraulically operated clutch of the transmission. The transmission controller is selected by selecting the clutch solenoid 52 to be excited. Set the speed gear corresponding to the signal output from 21.

The speed change mechanism model 53 applies an electric motor 54 provided in place of the engine, a speed change planetary gear set 55 driven by the electric motor 54, and speed change braking to the speed change planetary gear set 55. Transmission braking means
And a speed detector 57 that detects the rotational speed of at least the input unit and the output unit of the transmission planetary gear set 55 and inputs a detection signal to the transmission controller 21.

The electric motor 54 is connected to the DC2 of the first board 11.
This is a DC motor provided as a substitute for an engine driven by electric power supplied from a 4V power supply.

The planetary gear set 55 for shifting is a planetary gear train of four speeds forward and backward, and a shifting braking means.
The gear 56 has a plurality of gears 58 having a relatively large diameter, and a speed change brake 59 provided for these gears 58.

The speed detector 57 is installed opposite to a gear 61 provided on the output shaft of the electric motor 54 and the plurality of gears 58, and changes each time the teeth of the gears 58, 61 pass. Signal to transmission controller
This is a speed sensor that detects the rotational speed by inputting it to 21. From the left side of FIG. 1, a sensor for detecting the engine output speed, a sensor for detecting the output speed of the torque converter, a sensor for detecting the intermediate speed, and a sensor for detecting the transmission output speed are arranged. Has been established.

The transmission mechanism model 53 is covered by a case 62 formed of a transparent synthetic resin plate or a glass plate having excellent impact resistance. As a result, the operating transmission model 53
Movement can be checked from the outside, and sound and protection can be achieved.

Further, the second board 12 has an electric motor
An accelerator-type motor speed varying means 63 for accelerating and decelerating the rotation speed of the motor 54 and a load braking means 64 for applying a load to an output portion of the gear planetary gear set 55 are mounted.

In the accelerator type motor 63, an accelerator pedal for accelerating and decelerating the engine speed is movably attached to the second board 12, and thereby the acceleration speed of the electric motor 54 is controlled.

The load braking means 64 includes a load lever 65 for shifting up and down the transmission by increasing and decreasing the load, and a disk brake 66 which is operated by the load lever 65 and applies a load to the transmission output shaft. Have.

As shown in FIG. 3, the transmission controller 21 includes an auto / manual changeover switch 18, a transmission lever 16, a downshift switch 71 for instructing the transmission to shift down one stage, a key start switch 23, a starter relay
25, steering pressure switch 72, parking brake pressure switch 31a for detecting that the hydraulic parking brake provided on the vehicle's running system is applied, transmission torque converter oil temperature sensor 32a, backup alarm 73, engine output speed detection Sensor 57a,
Torque converter output speed detection sensor 57b, intermediate speed detection sensor 57c, transmission output speed detection sensor 57d, forward, reverse, and first to fourth speed clutch solenoids 52a, 52b, 52c, 52d, 52e, 52f Etc. are connected.

As shown in FIG. 4, the monitoring system device 34 includes, on the main display module 36, various switches 74, various sensors 75, and various senders 7 of various parts of the machine.
6, service connector 77, harness code connector 78,
A data link 79 for exchanging data with other control devices, a quadruple gauge 37, an octopus speedometer 38, a warning lamp 81 and an alarm 82 are connected.

As shown in FIG. 5, the payload system device 35 includes a keypad
43, a lift cylinder oil pressure sensor 44 that detects the head side oil pressure of the lift cylinder of the wheel loader, a lift arm angle sensor 45 that detects the angle position of the lift arm, and a data link 83 for communicating data with other control devices are connected. Have been.

Next, the operation of this embodiment will be described.

First board 11 of apparatus main body 10 erected
In addition, the transmission lever 16, the electric circuit components 19, the transmission controller 21, the monitoring system device 34, the payload system device 35, etc. are mounted three-dimensionally and compactly, and the second board is set up.
12, clutch solenoid 52, movable type transmission mechanism model 5
3. The accelerator type motor speed varying means 63 and the load braking means 64 are mounted three-dimensionally and compactly.

With these, the structure of the electronically controlled transmission can be understood, and the shift mechanism model
With the movement up to 53, the operating principle can be easily understood, and in addition to the actually operated clutch solenoid 52 and the transmission mechanism model 53, the repair technology related to the electronically controlled transmission can be learned.

For example, by simply switching a plurality of trouble switches 48 to the OFF position, a trouble spot can be easily selected and made, and a troubleshoot for the trainee to search for an unknown trouble spot can be performed. The aim is to improve the understanding of electronically controlled transmissions and the ability to respond to problems.

At the time of troubleshooting, the measurement of the voltage, frequency, duty cycle, etc. of the electric circuit and the output of various sensors and the quality judgment may be performed by a tester or a sensor, but the transmission controller 21 or the monitoring system device 34 With, it is easy to find unknown faults, so the method is also trained.

That is, as shown in FIG. 6, the transmission controller 21 detects whether most of the signals of the input / output circuit are within a prescribed range (step 1).
If it is out of the range, it is detected as a defect (step 2),
Since a failure diagnosis function for storing the failure information in the memory is provided (step 3), a failure diagnosis tool is connected to the data link unit 22 of the transmission controller 21, and the failure information in the transmission controller 21 is used as the failure diagnosis tool. Invoke and train a troubleshooting technique to search for unknown faults created by the trouble switch 48.

Thus, for example, a disconnection in the wiring from the transmission lever 16 to the transmission controller 21, a disconnection in the wiring from the transmission controller 21 to the clutch solenoid 52, and abnormal contact of the pressure switches / sensors 31 and the temperature sensor 32. Training to deal with trouble occurrence such as short circuit of electric circuit and failure of electric circuit components themselves.

The monitoring system device 34 also has a failure diagnosis function and a failure information recording function, and also has a failure information display function of displaying failure information on its own main display module 36, so that these functions are used. Then, a troubleshooting technique for searching for an unknown failure point created by the trouble switch 48 is trained.

Further, the payload system device 35
Lift cylinder oil pressure sensor 44 that measures the weight of the load,
The lift arm angle sensor 45 has a failure diagnosis function and a failure information recording function, and also has a failure information display function of displaying failure information on its own display unit 41.
Training methods for finding unknown failure points in the measurement circuit related to the lift cylinder oil pressure sensor 44 and the lift arm angle sensor 45 made by the company.

Further, even if there is no actual engine and transmission mechanism, the clutch solenoid 52 (clutch solenoid 52) can be used.
a, 52b, 52c, 52d, 52e, 52f) can be visually observed, so that the change operation of the traveling direction and the speed gear can be actually confirmed, and the accelerator type motor speed varying means 63, the shifting braking means 56 and By the load braking means 64, the speed change planetary gear set 55 of the speed change mechanism model 53 can be operated in the same manner as that of the actual machine, and the rotational speed of at least the input portion and the output portion of the speed change planetary gear set 55 at that time can be reduced. Speed detector 57 (engine output speed detection sensor 57
a) The output of the electronically controlled transmission is detected by the torque converter output speed detection sensor 57b, the intermediate speed detection sensor 57c, and the transmission output speed detection sensor 57d), and the detection signal is input to the transmission controller 21. Function confirmation, failure search, signal output measurement, etc. can be performed in the same way as the actual machine.

Further, since the apparatus body 10 is separated into a first board 11 and a second board 12, the first board
Installation and wiring of mainly electrical in 11;
The installation of mainly mechanical components on the second board 12 can be efficiently performed in parallel, and the first board 11 and the second board 12 can be separated and easily moved during transportation.

The training apparatus is not limited to the training of the electronically controlled transmission of the wheel loader, but can be used as a training apparatus for transmission of another construction machine having a similar vehicle structure.

[0059]

According to the first aspect of the present invention, a transmission lever, an electric circuit component, a transmission controller, a speed change actuator, and a movable speed change mechanism model can be compactly mounted on the apparatus main body. The structure of the electronically controlled transmission is easy to understand, the operation principle is easy to understand by the movement from the shift change by the transmission lever to the transmission mechanism model, and furthermore, in relation to the actually operated actuator and the transmission mechanism model. Repair technology related to electronically controlled transmissions can be reliably obtained.

According to the second aspect of the present invention, the installation and wiring of mainly electric devices on the first board,
The installation of mainly mechanical devices on the second board can be efficiently performed in parallel, and during transportation, the first board and the second board can be separated and easily moved.

According to the third aspect of the present invention, it is possible to select and easily make a faulty part by using a plurality of trouble-shooting wiring connecting / disconnecting means, and to make the trainee search for an unknown faulty part. In addition, it is possible to improve the understanding of the electronically controlled transmission and the ability to deal with troubles.

According to the fourth aspect of the present invention, the failure diagnosis tool is connected to the data link section of the transmission controller for communication, whereby the failure information in the transmission controller is called to the failure diagnosis tool, and the troubleshooting wiring is performed. You can train a method that can easily search for an unknown fault created using the intermittent means.

According to the fifth aspect of the present invention, it is possible to train a method of easily searching for an unknown failure point created by using the trouble-shooting wiring connecting / disconnecting means using the monitoring system device.

According to the sixth aspect of the present invention, it is possible to use the payload system apparatus to train a method for easily searching for a failure in a measurement circuit for measuring the weight of a load.

According to the seventh aspect of the present invention, the planetary gear for shifting the model of the shifting mechanism can be obtained by the accelerator-type motor speed changing means, the shifting braking means and the load braking means even if the engine and the shifting mechanism are not actual. The set can be operated in the same manner as the actual one, and furthermore, by detecting the rotational speed of at least the input portion and the output portion of the planetary gear set for shifting at that time by a speed detector and inputting the detection signal to the transmission controller. In addition, it is possible to confirm the shift function of the electronically controlled transmission, search for a failure, measure the signal output, etc., in the same manner as the actual machine.

According to the eighth aspect of the invention, the transparent case allows the movement of the operating transmission mechanism model to be checked from the outside, and also allows soundproofing and protection.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a training device for a machine transmission according to the present invention.

FIG. 2 is an enlarged perspective view of a part of the back side of the training device.

FIG. 3 is a block diagram showing a connection relationship of a transmission controller mounted on the training device.

FIG. 4 is a block diagram showing a connection relationship of a monitoring system device mounted on the training device according to the first embodiment;

FIG. 5 is a block diagram showing a connection relationship of a payload system device mounted on the training device.

FIG. 6 is a flowchart showing a self-diagnosis function of the transmission controller.

[Explanation of symbols]

10 Device body 11 First board 12 Second board 16 Transmission lever 19 Electric circuit parts 21 Transmission controller 22 Data link unit 34 Monitoring system unit 35 Payload system unit 44 Lift cylinder oil pressure sensor as detector 45 Lift as detector Arm angle sensor 46 Electrical wiring 48 Trouble switch as a wiring connection / disconnection means for troubleshooting 52 Clutch solenoid as a gearshift actuator 53 Gearshift model 54 Electric motor 55 Planetary gear set for gearshift 56 Gearshift braking means 57 Speed detector 62 Case 63 Accelerator type motor speed variable means 64 Load braking means

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Tatsuo Inoue 4-10-1, Yoga, Setagaya-ku, Tokyo New Caterpillar Mitsubishi F-term (reference) 2C032 BB00 3J552 MA02 NA00 NB05 PA00 PA60 PB01 QB02 VA32Z VA37Z VA48Z VA62Z VA63Z

Claims (8)

[Claims] A transmission lever mounted on the apparatus main body and instructed by an electronically controlled transmission of the machine to indicate a speed stage and a traveling direction; and a speed stage and traveling mounted on the apparatus main body and indicated by the transmission lever. An electric circuit component and a transmission controller for controlling the electronically controlled transmission according to the direction; a transmission actuator mounted on the device body and operated by a signal output from the transmission controller to control a transmission mechanism of the electronically controlled transmission; A transmission mechanism model simulating a transmission mechanism of an electronically controlled transmission which is mounted on the device body and operated by a signal output from a transmission controller. Training equipment. 2. The apparatus main body includes a first board on which a transmission lever, an electric circuit component, and a transmission controller are mounted, and a second board on which a shift actuator and a shift mechanism model are mounted. The training device for transmission of a machine according to claim 1. 3. The training for transmission of a machine according to claim 1, further comprising a plurality of wiring connecting / disconnecting means provided on a back surface of the apparatus main body for disconnecting electric wiring and causing a failure. apparatus. 4. The transmission controller has a failure diagnosis function for diagnosing a failure of the input / output circuit and a failure information recording function for recording failure information obtained by the diagnosis, and the failure information recorded in the transmission controller. 4. The training apparatus for machine transmission according to claim 3, further comprising a data link unit to which a failure diagnosis tool for extracting the failure and searching for a failure in the electric system can be connected. 5. A monitoring system device mounted on the device body and having a function of diagnosing a failure of an input / output circuit and recording and displaying failure information.
Or a training device for transmission of a machine according to 4. 6. A payload having a function of measuring the weight of a load mounted on an apparatus body and lifted by a machine with a detector, displaying and recording a measurement result, diagnosing a failure of a measurement circuit, and recording and displaying failure information. The training device for machine transmission according to any one of claims 3 to 5, further comprising a system device. 7. A transmission mechanism model includes: an electric motor provided in place of an engine; a speed change planetary gear set driven by the electric motor; and a rotational speed of at least an input portion and an output portion of the speed change planetary gear set. A speed detector for detecting and inputting a detection signal to a transmission controller; an accelerator-type motor speed variable means mounted on the device main body for accelerating and decelerating the rotation speed of the electric motor; and a speed-changing planetary gear set for speed-changing braking. The machine according to any one of claims 1 to 6, further comprising: a shift braking means for applying a force; and a load braking means mounted on the apparatus main body and for applying a load to an output portion of the shift planetary gear set. Transmission training equipment. 8. The training device for transmission of a machine according to claim 7, further comprising a transparent case that covers the transmission mechanism model.