Simulation control device of bogie bearing press-fitting equipment

Abstract

The utility model provides a bogie bearing press-fitting equipment simulation control device comprising a mesh disc, a button box, a PLC, a scram button SB1, a start button SB2, a stop button SB3, a button SB4-7, a change-over switch SA1-4, a limit switch SP1, relays KA0-K07, a switch power supply, a fuse, a 3P air switch QF, a fuse FU1, a fuse FU2, a fuse FU3, a contactor KM1, a contactor KM1 coil, an indicating lamp HL1, a thermal element FR1 and a motor M1. The components form a main loop and a control loop; according to the device, electrical connection among all control elements is completed, descending, return stroke and pressure adjustment setting of the bogie bearing press-fitting equipment are achieved, and the device is high in universality and stable in performance and has great popularization value.

Description

Technical Field

[0001] This utility model relates to the technical application field of press control. Specifically, the control device of this utility model realizes the automated drive of the press-fitting equipment for railway passenger car bogie bearings. Background Technology

[0002] With the advancement of technology, the requirements for bogie bearing press-fitting equipment are becoming increasingly stringent. There is an urgent need for an automated drive system to achieve precise control of the bogie bearing press-fitting equipment and to meet the requirements of descent, return, pressure regulation settings, and stroke control. In order to adapt to the technical demands of electrical design and maintenance brought about by this development, it is necessary to research a device that meets the equipment control requirements. Utility Model Content

[0003] The purpose of this invention is to provide a simulation control device to enable the bogie bearing press-fitting equipment to meet automation requirements.

[0004] To achieve the above objectives, this utility model provides a simulation control device for bogie bearing press-fitting equipment, including a mesh disc, a button box, a PLC, an emergency stop button SB1, a start button SB2, a stop button SB3, buttons SB4-7, a changeover switch SA1-4, a limit switch SP1, relays KA0 to K07, a switching power supply, a fuse, a 3P circuit breaker QF, fuses FU1, FU2, and FU3, a contactor KM1, a contactor KM1 coil, an indicator light HL1, a thermal element FR1, and a motor M1. These components constitute the main circuit and the control circuit.

[0005] The main circuit includes: a three-phase 380V power supply connected to the upper side of a 3P circuit breaker QF; a fuse FU1 connected to the lower side of the 3P circuit breaker QF; a contactor KM1 connected to the lower side of the fuse FU1; a thermal element FR1 connected to the lower side of the contactor KM1; a motor M1 connected to the lower side of the thermal element FR1; a fuse FU2 connected to the lower side of the 3P circuit breaker QF, which is then connected to a fuse FU3 via a transformer; a normally open auxiliary contact of the contactor KM1 and an emergency stop button SB1 connected to the fuse FU3; an indicator light HL1 connected to the normally open auxiliary contact of the contactor KM1; a start button SB2 and a normally open auxiliary contact of the contactor KM1 connected to the lower side of the emergency stop button SB1; a stop button SB3 connected in parallel to the start button SB2 and the normally open auxiliary contact of the contactor KM1; and a thermal element FR1 connected to the coil of the contactor KM1.

[0006] The control circuit includes: control circuit lines 5 and 0 are connected to the L and N terminals of the PLC, respectively; switching power supply 24- is connected to the COM1 point of the PLC; 24+ is connected to the common terminal of changeover switches SA1, SA2, SA3, SA4, buttons SB4, SB5, SB6, SB7, and limit switch SP1; inputs are sent to the 000 to 008 input terminals of the PLC through changeover switches SA1, SA2, SA3, SA4, buttons SB4, SB5, SB6, SB7, and limit switch SP1; line 5 is connected to the upper side of fuse FU4; the lower side of fuse FU4 is connected to the COM2 point of the PLC; line 0 is connected to the common terminal of relays KA0 to KA7; and the PLC output terminals 1000 to 1007 are connected to the coils of relays KA0 to KA7, respectively.

[0007] The device has completed the electrical connection between various control components, realizing the lowering, return, and pressure adjustment settings of the bogie bearing press-fitting equipment. The device is highly versatile, has stable performance, and has great potential for widespread application. Attached Figure Description

[0008] Figure 1 This is based on the electrical schematic diagram of the main circuit of this utility model;

[0009] Figure 2 This is the electrical schematic diagram of the control circuit according to this utility model. Detailed Implementation

[0010] The simulation control device for bogie bearing press-fitting equipment mainly consists of an Omron PLC, contactors, buttons, circuit breakers, and thermal elements. The hardware wiring of the device has been completed, realizing the automated drive of the equipment.

[0011] Using Omron PLCs, frequency converters, and other components as the core, and connecting various components through the logical relationships of electrical components, this device is designed, assembled, and developed to achieve equipment automation. It is easy to learn and understand.

[0012] This device improves the control method of bogie bearing press-fitting equipment and enhances the reliability of the equipment.

[0013] Through the above connections, fuses, emergency stop buttons, start buttons, and stop buttons are connected to the contactor coil. The normally open auxiliary contact of the contactor is connected to indicator light HL1, and the main contact of the contactor controls the motor operation.

[0014] The PLC is the core of the equipment. It consists of 4 selector switches, 4 buttons, and 1 limit switch to input switch signals to the PLC. The PLC performs internal logic operations and outputs control relays KA0 to KA7, thereby controlling the operation of the equipment.

[0015] The device uses an Omron PLC, which is a fully functional compact PLC with the ability to be upgraded through various advanced internal boards. It has a large program capacity and memory unit. As for the working principle of the PLC controller and how it realizes the automated operation of the equipment, it is common knowledge in the industry and will not be elaborated on here.

[0016] Advantages of PLC: 1. Flexible structure, not limited by the environment; 2. High transmission quality, fast speed, and stable bandwidth; 3. Wide range of applications; 4. Low cost; 5. Wide applicability.

[0017] The PLC is connected to buttons, selector switches, relays, switching power supplies, and fuses; the circuit breaker is connected to fuses, contactors, thermal elements, and motors.

[0018] Through the above connections, fuses, emergency stop buttons, start buttons, and stop buttons are connected to the contactor coil. The normally open auxiliary contact of the contactor is connected to indicator light HL1, and the main contact of the contactor controls the motor operation.

[0019] Reference Figure 1 This is the main circuit electrical schematic diagram of the simulation control device for the bogie bearing press-fitting equipment in this device. The following is an analysis of this schematic diagram.

[0020] (1) Main circuit analysis

[0021] A three-phase 380V power supply is connected to the upper side of a 3P circuit breaker QF. A fuse FU1 is connected to the lower side of the 3P circuit breaker QF. A contactor KM1 is connected to the lower side of fuse FU1. A thermal element FR1 is connected to the lower side of contactor KM1. A motor M1 is connected to the lower side of thermal element FR1. Simultaneously, a fuse FU2 is connected to the lower side of the 3P circuit breaker QF, which, through a transformer, connects to fuse FU3. Fuse FU3 is connected to the normally open auxiliary contact of contactor KM1 and emergency stop button SB1. The normally open auxiliary contact of contactor KM1 is connected to indicator light HL1. The lower side of emergency stop button SB1 is connected to start button SB2 and the normally open auxiliary contact of contactor KM1. Start button SB2 and the normally open auxiliary contact of contactor KM1 are connected in parallel to stop button SB3. Stop button SB3 is connected to thermal element FR1. Thermal element FR1 is connected to the coil of contactor KM1.

[0022] Reference Figure 2 This is the electrical schematic diagram of the simulation control device for the bogie bearing press-fitting equipment in this device. The following is an analysis of the schematic diagram.

[0023] (2) Control Circuit Analysis

[0024] The control circuit lines 5 and 0 are connected to the L and N terminals of the PLC, respectively. The switching power supply 24- is connected to the COM1 point of the PLC, and 24+ is connected to the common terminal of the selector switches SA1, SA2, SA3, SA4, SB4, SB5, SB6, SB7, and limit switch SP1. The inputs are sent to the PLC's input terminals 000 to 008 through the selector switches SA1, SA2, SA3, SA4, SB4, SB5, SB6, SB7, and limit switch SP1. Line 5 is connected to the upper side of fuse FU4, and the lower side of fuse FU4 is connected to the COM2 point of the PLC. Line 0 is connected to the common terminal of KA0 to KA7. The PLC's output terminals 1000 to 1007 are connected to the coils of relays KA0 to KA7, respectively.

[0025] It should be noted that the selector switches SA1, SA2, SA3, and SA4, buttons SB4, SB5, SB6, and SB7, and limit switch SP1 provide operation for adjustment, single operation, constant pressure, constant stroke, master cylinder fast descent, master cylinder slow descent, master cylinder return stroke, pressing, and oil filter clogging, respectively.

Claims

1. A simulation control device for bogie bearing press-fitting equipment, characterized in that, The main circuit and control circuit consist of the following components: PLC, emergency stop button SB1, start button SB2, stop button SB3, buttons SB4-7, changeover switches SA1-4, limit switches SP1, relays KA0 to K07, switching power supply, fuse, 3P circuit breaker QF, fuse FU1, fuse FU2, fuse FU3, contactor KM1, contactor KM1 coil, indicator light HL1, thermal element FR1, and motor M1. The main circuit includes: a three-phase 380V power supply connected to the upper side of a 3P circuit breaker QF; a fuse FU1 connected to the lower side of the 3P circuit breaker QF; a contactor KM1 connected to the lower side of the fuse FU1; a thermal element FR1 connected to the lower side of the contactor KM1; a motor M1 connected to the lower side of the thermal element FR1; a fuse FU2 connected to the lower side of the 3P circuit breaker QF, which is then connected to a fuse FU3 via a transformer; a normally open auxiliary contact of the contactor KM1 and an emergency stop button SB1 connected to the fuse FU3; an indicator light HL1 connected to the normally open auxiliary contact of the contactor KM1; a start button SB2 and a normally open auxiliary contact of the contactor KM1 connected to the lower side of the emergency stop button SB1; a stop button SB3 connected in parallel to the start button SB2 and the normally open auxiliary contact of the contactor KM1; and a thermal element FR1 connected to the coil of the contactor KM1. The control circuit includes: control circuit lines 5 and 0 are connected to the L and N terminals of the PLC, respectively; switching power supply 24- is connected to the COM1 point of the PLC; 24+ is connected to the common terminal of changeover switches SA1, SA2, SA3, SA4, buttons SB4, SB5, SB6, SB7, and limit switch SP1; inputs are sent to the 000 to 008 input terminals of the PLC through changeover switches SA1, SA2, SA3, SA4, buttons SB4, SB5, SB6, SB7, and limit switch SP1; line 5 is connected to the upper side of fuse FU4; the lower side of fuse FU4 is connected to the COM2 point of the PLC; line 0 is connected to the common terminal of relays KA0 to KA7; and the PLC output terminals 1000 to 1007 are connected to the coils of relays KA0 to KA7, respectively.

2. The simulation control device for a bogie bearing press-fitting equipment according to claim 1, characterized in that, The device also includes a mesh panel and a button box.

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