Device to control mining and tunneling harvester

 

(57) Abstract:

The invention relates to the operation of mining machines and can be used for remote control remote control operation of the mining machine. The objective of the invention is to increase the productivity of the operator, the sharpness of execution of commands and control in semi-automatic mode. The device comprises a remote control unit direct control of connected lines of communication with the Executive point located on the harvester and having an intrinsically safe power supply and the unit electrohydraulically, with each electrohydraulically through the corresponding buttons on the unit direct control of communication lines connected to an intrinsically safe power supply unit. The remote control supplied with the software unit, a display unit, matching amplifiers, relay contact closure and block buttons software management (BCPU) that contains the button command to combine, click the next command button to select the direction of commands and buttons to select the desired sequence of commands. The input BCPU connected to an intrinsically safe power supply unit, the first output BCPU Conn is Alenia. Second, third and fourth outputs of BCPU connected respectively to the first, second and third inputs of the software unit. The first and second outputs of the software unit are connected respectively to the first input of the display unit and the input impedance of amplifiers whose outputs are connected to the windings of the relay and to the second input of the display unit. The input BCPU is a login button command on the harvester, and its output is the first output BCPU. The second, third and fourth outputs of BCPU are respectively output the navigation buttons in the following command output selection buttons direction commands and output buttons, select the desired sequence of commands. Software block may contain the encoder, two pulse shaper, a register, a binary counter, a persistent storage device and the element OR NOT. The input BCPU can be connected to the power pole "+" intrinsically safe power supply. In addition, BKPU may be further provided with a voltage Converter, through which a software unit of the remote control is connected to the intrinsically safe power supply unit of the Executive point of the mountain harvester. 3 C.p. f-crystals, 1 Il.

The invention relates to a device remote control is barb mining combine multiple motors and other mechanisms, managed through the electric hydraulic valves by hydraulic cylinders.

You know the remote control mekhanogidravlicheskijj harvesters (see log for "Coal", 2, 1979, S. 42, Fig. 1, 2, 3), including remote control panel push-type communication line, the magnetic station, the hydraulic system of the harvester. Remote control made in the form of a chest rig with microcephaly, by which stranded cable sends control commands harvester. The harvester also provides local management using the handles.

The disadvantage of this device is the following: when working with this device the operator must constantly work on the buttons of the remote control with both hands, which creates a natural disturbances in the process and therefore reduces productivity. The specified device does not have the software to control the processor, this device cannot provide sufficient clarity of command execution and adjustment of technological process in each specific point.

A device for management of mining combine (A. C. the USSR 638723, B. I. 47, 1978), adopted Neelam paragraph, located on the harvester and having an intrinsically safe power supply and the unit electrohydraulically, with each electrohydraulically through the corresponding buttons on the unit direct control of communication lines connected to an intrinsically safe power supply unit.

The disadvantages of the prototype is identical to the disadvantages of analogue.

The objective of the proposed technical solution is to increase the productivity of the operator (driver) and accordingly the productivity of the harvester due to the enhancement of the performance of teams and due to the fact that the feed sequence to combine the required commands are in semi-automatic mode, and the duration of the command is controlled by the operator, allowing the operator to fully control the process, with control over the situation is provided by a single resolution button.

The task is solved by the fact that the remote control is equipped with a software unit, a display unit, matching amplifiers, relay contact closure and block buttons software control that contains a button command to combine, click the next command button select the OK program management connected to an intrinsically safe power supply unit, the first output unit buttons software control is connected to closing the relay contacts, the outputs of which are connected to the NC contacts of the buttons block direct control, second, third and fourth outputs of the block buttons software control connected respectively to the first, second and third inputs of the software block, the first and second outputs of the software unit are connected respectively to the first input of the display unit and the input impedance of amplifiers whose outputs are connected to the windings of the relay and to the second input of the display unit, the input unit buttons software control is an input button command on the harvester, and its output is the first output unit buttons software control with the buttons move to the next team is the second output unit buttons software control, the output selection buttons direction commands is the third output block buttons software control, the outputs of the buttons to select the desired sequence of commands are the fourth output unit buttons software control.

In addition, the program block contains the encoder, two pulse shaper, a register, a binary counter, a constant zoodom application block, and the output of the first pulse shaper is connected to the input of a binary counter, the first and second inputs of the encoder are the second and third inputs of the software unit, the first output of the encoder is connected to the data input register, and the second output of the encoder via a second pulse shaper is connected to the input of Gating register and login reset the binary counter, the output of the register is connected with the older address inputs of the ROM and is the first release of the block, counting the outputs of the binary counter are connected with younger address inputs of the ROM, the outputs of which are connected with the elements OR NOT and are the second access application block, and the output of the element OR NOT connected to the input of reset binary counter.

The input unit buttons software control is connected to the power pole "+" intrinsically safe power supply, in addition, the block of buttons software management is further provided with a voltage Converter, through which a software unit of the remote control is connected to the intrinsically safe power supply unit Executive item mining combine.

The drawing shows a General diagram of the system control processor.

Device to control the harvester VK is the indication unit 4, block direct management of 5 direct access buttons enable 16, block 6 electrohydraulically 15, intrinsically safe power supply of the Executive point of the mountain harvester 7. Block buttons software control 1 contains buttons select the desired sequence of commands 17, button-direction commands 18, button, go to the next command 19, and click command on the harvester 20 and the voltage Converter 8. Software block 2 contains the encoder 9, the register 10, the binary counter 11, a persistent storage device (ROM) 12, the element OR NOT 13, two pulse shaper 14 and 23. The input unit buttons software control 1 is connected to an intrinsically safe power supply unit of the Executive point of the mountain harvester 7, the first output unit buttons software control 1 is connected to a closing relay contacts 22, the outputs of which are connected to the NC contacts of the buttons block direct control 5. second, third and fourth outputs of the block buttons software control 1 are connected respectively to the first, second and third inputs of the software block 2, the first and second outputs of the software block 2 are connected respectively to the first input of the display unit 4 and to the input matching politropnogo control 1 is the input button command on the harvester 20, and its output is the first output unit buttons software control 1, while the exit button to move to the next command 19 is a second output unit buttons software control 1, output selection buttons direction commands 18 is the third output block buttons software control 1, output buttons, select the desired sequence of commands 17 are the fourth output unit buttons software management 1.

The input unit buttons software control 1 is connected to the power pole "+" intrinsically safe power supply of the Executive point of the mountain harvester 7, in addition, the block of buttons software control 1 is further provided with a voltage Converter 8 through which a software unit 2 of the remote control is connected to the intrinsically safe power supply unit of the Executive point of the mountain harvester 7.

The device operates as follows.

To control the mining machine in the manual mode, use the block of direct control with 5 buttons direct connection 16. Pressing any of the buttons 16, the voltage of the intrinsically safe power supply unit 7 is fed to the corresponding electrohydrodynamical 15. The number of simultaneously include e the ptx2">

For management of mining combine in semi-automatic mode using keypad program management 1 buttons to select the desired sequence of commands 17, the button 18 to select the direction of a sequence of commands, the button 19 to move to the next command, and the button 20 for direct command on the harvester. To select the sequence of commands is pressed the corresponding button 17, and if necessary, change the direction of the sequence (forward-backward, left-right) simultaneously press the button 18. With the outputs of the encoder 9 to the input data register 10 receives 4-bit binary code of the selected program, and through the pulse shaper 14 to the input of Gating register 10 serves a single pulse, producing a record of the program code in the register 10 and simultaneously Abdoulaye binary counter steps 11. With output register 10 binary code is supplied to the upper address inputs are constant memory (ROM) 12 and the display unit 4 to display the current selected program. The counting outputs of counter 11 is connected to the lowest address inputs of the ROM 12. Thus, the inputs of the ROM 12 is formed by the address of the first step program. At the outputs of the ROM 12 is th electrohydraulically 15, logical 0 is disabled. Data from the ROM 12 are received in matching amplifiers 21, which are connected to the windings of the relay 22 and the display unit 4 to display the current command. Relay 22, the Executive winding which corresponds to the amplifier 21 receives a logical 1, completing the circuit between the button 20 and the corresponding electrohydraulically 15 through normally closed contacts of direct control buttons 16. Thus, the generated command is displayed on the display unit 4 and ready for submission to the harvester. The commands directly on the harvester by pressing the button 20. The voltage of power supply unit 7 is fed to the corresponding electrohydraulically 15 chain: button 20, closing the relay contacts 22, normally closed contacts of direct control buttons 16. To stop execution of a command button 20 is released, electrohydraulically 15 is de-energized, and the harvester stops. The transition to the next command by pressing the button 19, which at the counting input of the binary counter 11 through the pulse shaper 23 is supplied single pulse. The counter outputs to the ROM 12, the address of the next instruction and the process repeats. The ending sequence of commands oboznachaetsya steps 11. When logic 0 in all bits of the data schema are automatically returned to the 1st step of the current program. Thus, the command sequence can cyclically repeated.

Dashed lines in the block diagram indicated the same type of control circuit electrohydrodynamically (13 pieces) and button selection programs (6 PCs), not shown in the diagram.

1. Device to control the mining machine containing the remote control unit direct control of connected lines of communication with the Executive point located on the harvester and having an intrinsically safe power supply and the unit electrohydraulically, with each electrohydraulically through the corresponding buttons on the unit direct control of communication lines connected to an intrinsically safe power supply unit, characterized in that the remote control is equipped with a software unit, a display unit, matching amplifiers, relay contact closure and block buttons software control that contains a button command to combine, click go to the next command, button-direction commands and buttons to select the desired sequence of commands, the input software control is connected to the closing relay contacts, the outputs are connected to the NC contacts of the buttons block direct control, second, third and fourth outputs of the block buttons software control connected respectively to the first, second and third inputs of the software block, the first and second outputs of the software unit are connected respectively to the first input of the display unit and the input impedance of amplifiers whose outputs are connected to the windings of the relay and to the second input of the display unit, the input unit buttons software control is an input button command on the harvester, and its output is the first output unit buttons software management, out button go to the next team is the second output unit buttons software control, the output selection buttons direction commands is the third output block buttons software control, the outputs of the buttons to select the desired sequence of commands are the fourth output unit buttons software control.

2. The device according to p. 1, wherein the software unit contains the encoder, two pulse shaper, a register, a binary counter, a persistent storage device (ROM) and the element OR NOT, and the entrance lane shall sow connected to the input of a binary counter, the first and second inputs of the encoder are the second and third inputs of the software unit, the first output of the encoder is connected to the data input register, and the second output of the encoder via a second pulse shaper is connected to the input of Gating register and login reset the binary counter, the output of the register is connected with the older address inputs of the ROM and is the first release of the block, counting the outputs of the binary counter are connected with younger address inputs of the ROM, the outputs of which are connected with the elements OR NOT and are the second access application block, and the output of the element OR NOT connected to the input of reset binary counter.

3. The device under item 1 or 2, characterized in that the input unit buttons software control is connected to the power pole "+" intrinsically safe power supply.

4. The device under item 1 or 2, characterized in that the block of buttons software management is further provided with a voltage Converter, through which a software unit of the remote control is connected to the intrinsically safe power supply unit of the Executive point of the mountain harvester.

 

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