Metallurgy ground vehicle off-line maintenance detection device

Abstract

The invention relates to an off-line maintenance and detection device for a metallurgical ground vehicle, and the device comprises a supporting mechanism which is used for supporting the metallurgical ground vehicle and enabling wheels of the metallurgical ground vehicle to be separated from the ground; and the electrical control panel is used for electrically controlling the running state of the metallurgical ground vehicle. An off-line vehicle is placed on the supporting mechanism to be maintained, the wheel turning jigger can be maintained without turning over to replace wheels and a speed reducer, and operation is easy and convenient; by arranging the electric control panel, smooth speed regulation can be achieved through the frequency converter, and the running states of the vehicle at high speed and low speed can be detected; through parallel use of the button change-over switches, inching or continuous operation of the motor can be realized, converter metallurgical vehicle fault offline or planned offline maintenance can be effectively avoided, offline test run can be carried out after the motor or a speed reducer, wheels and other parts are replaced, and problems can be handled in time when occurring, so that the equipment assembly precision is ensured, and normal production is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of iron and steel metallurgy, and in particular to an off-line maintenance and detection device for metallurgical ground vehicles. Background Art

[0002] With the implementation of high-standard and automatic production technologies such as environmental protection and intelligent manufacturing, the requirements for long-term stable operation and automated operation of equipment are becoming higher and higher, and higher requirements are put forward for the safe and stable operation of metallurgical vehicle equipment. Metallurgical ground vehicles such as ladle cars and slag cars are used in the high-temperature production field of steel mills and are vulnerable equipment. In order to ensure the stable operation of vehicles, reducing the workload of offline maintenance of equipment and offline vehicle fault detection are important links in daily use.

[0003] At present, when replacing the wheels of offline vehicles, the vehicle needs to be turned over before the operation can be carried out, and the operation process is very cumbersome. In addition, it is impossible to test the vehicles that have been repaired in time, and the equipment assembly defects cannot be discovered in time, causing the converter metallurgical vehicles (ladle cars, slag cars) to fail and go offline or be planned to be offline for maintenance. After replacing the motor or reducer, wheels and other components, the test run cannot be carried out offline, and the equipment assembly accuracy cannot be guaranteed. The test run can only be carried out after the vehicle is put online. Problems cannot be handled in time, causing the equipment to run with problems and frequent damage, resulting in equipment failures and affecting normal production. Summary of the invention

[0004] The purpose of the present invention is to provide an offline maintenance and detection device for metallurgical ground vehicles, which can solve the shortcomings of the prior art. When replacing the wheels of offline vehicles, the operation can be performed without turning over the vehicle. The repaired vehicles can be tested in time to promptly discover equipment assembly defects, avoid vehicle damage caused by vehicles going online with defects, and ensure normal production.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] An off-line maintenance and detection device for metallurgical ground vehicles, the device comprising:

[0007] A supporting mechanism, which is used to support the metallurgical ground vehicle so that the wheels of the metallurgical ground vehicle are off the ground;

[0008] An electrical control panel is used to electrically control the operating status of a metallurgical ground vehicle.

[0009] in,

[0010] The supporting mechanism comprises a concrete foundation supported on the ground and a supporting seat installed on the concrete foundation.

[0011] The electrical control panel comprises a frequency converter; the frequency converter has an input terminal connected to a power source and an output terminal connected to a motor of a metallurgical ground vehicle.

[0012] Furthermore, the frequency converter includes a power supply side R terminal, a power supply side S terminal, a power supply side T terminal, a digital control terminal DI1, a digital control terminal DI2, a digital control common terminal DCM1, an alarm output normally open terminal FA1, a load side U terminal, a load side V terminal, a load side W terminal, an analog speed regulation 24V power supply terminal +V, an analog speed regulation control terminal V1F1 and an analog control common terminal ACM1.

[0013] Furthermore, the power supply side R terminal, the power supply side S terminal, and the power supply side T terminal are respectively connected to the power supply L1 phase, L2 phase, and L3 phase via an air switch QF1.

[0014] Furthermore, the digital control terminal DI1 is set to forward rotation, and the digital control terminal DI2 is set to reverse rotation; the digital control terminal DI1 is connected to a first inverter control unit, and the digital control terminal DI2 is connected to a second inverter control unit.

[0015] The first end of the inverter control unit 1 is connected to the digital control terminal DI1, the first end of the inverter control unit 2 is connected to the digital control terminal DI2, and the second end of the inverter control unit 1 is connected to the second end of the inverter control unit 2 and then connected to the digital control common terminal DCM1.

[0016] The inverter control unit 1 includes a three-position switching switch SA1-1 and a forward electric operation button SB1 connected in parallel; the inverter control unit 2 includes a three-position switching switch SA1-2 and a reverse electric operation button SB2 connected in parallel.

[0017] Further, the load-side U terminal is connected to the U phase of the motor, the load-side V terminal is connected to the V phase of the motor, and the load-side W terminal is connected to the W phase of the motor.

[0018] Furthermore, a potentiometer is connected between the analog speed regulation 24V power supply terminal +V and the analog control common terminal ACM1, and the analog speed regulation control terminal V1F1 is connected to the moving contact of the potentiometer.

[0019] Furthermore, the support seat is made of H-shaped steel.

[0020] Compared with the prior art, the advantages of the present invention are:

[0021] The present invention can be operated without overturning the vehicle when replacing the wheels of offline vehicles, and the vehicle that has been repaired can be tested in time to timely discover equipment assembly defects, avoid vehicle damage caused by the vehicle being put on line with defects, and ensure normal production. Specifically, the present invention can repair the wheel turning turntable without overturning the vehicle to replace the wheels and reducers by placing the offline vehicle on a support mechanism for repair, and the operation is simple and convenient; by setting an electrical control panel, the frequency converter can be used to achieve smooth speed regulation, and the running status of the vehicle at high and low speeds can be detected; by using the button conversion switch in parallel, the motor can be started or continuously operated, which can effectively avoid the converter metallurgical vehicle (ladle car, slag car) from going offline due to failure or planned offline maintenance. After replacing the motor or reducer, wheels and other components, the test run can be carried out offline, and problems can be dealt with in time to ensure the equipment assembly accuracy and ensure normal production. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 It is a working principle diagram of the electrical control panel in the present invention.

[0024] in:

[0025] 1. Metallurgical ground vehicle, 2. Wheels, 3. Cable drum, 4. Support mechanism, 5. Distribution box, 6. Electrical control panel. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings:

[0027] like Figure 1 A metallurgical ground vehicle offline maintenance and detection device is shown, the device comprising:

[0028] A supporting mechanism 4, which is used to support the metallurgical ground vehicle 1 so that the wheels 2 of the metallurgical ground vehicle 1 are off the ground;

[0029] The electrical control panel 6 is used to electrically control the operation state of the metallurgical ground vehicle 1. The electrical control panel is installed on the metallurgical ground vehicle or placed on one side of the metallurgical ground vehicle, and its input terminal is connected to the power supply and the output terminal is connected to the motor of the metallurgical ground vehicle.

[0030] Specifically, the support mechanism 4 includes a concrete foundation supported on the ground and a support seat installed on the concrete foundation. The support seat adopts H-shaped steel. The support mechanism 4 is a fixed support mechanism designed and manufactured according to the height required for vehicle maintenance, which is convenient for vehicle fixation and maintenance personnel to perform maintenance operations.

[0031] The electrical control panel 6 includes a frequency converter; the frequency converter has an input terminal connected to a power source and an output terminal connected to a motor of a metallurgical ground vehicle.

[0032] exist Figure 1 The invention also includes a cable drum 3 and a distribution box 5. The cable drum 3 is a cable winding component when the molten iron transport vehicle is in online operation. During offline maintenance, the output terminal of the frequency converter can be directly connected to the cable drum, or it can be connected to each motor separately, so as to facilitate the confirmation of the operating status of a single motor. The distribution box 5 is used to connect and repair electric tools on site.

[0033] like Figure 2 As shown, the inverter includes a power supply side R terminal, a power supply side S terminal, a power supply side T terminal, a digital control terminal DI1, a digital control terminal DI2, a digital control common terminal DCM1, an alarm output normally open terminal FA1, a load side U terminal, a load side V terminal, a load side W terminal, an analog speed regulation 24V power supply terminal +V, an analog speed regulation control terminal V1F1 and an analog control common terminal ACM1.

[0034] like Figure 2 As shown, the power supply side R terminal, the power supply side S terminal, and the power supply side T terminal are respectively connected to the power supply L1 phase, L2 phase, and L3 phase via an air switch QF1.

[0035] Furthermore, the digital control terminal DI1 is set to forward rotation, and the digital control terminal DI2 is set to reverse rotation; the digital control terminal DI1 is connected to a first inverter control unit, and the digital control terminal DI2 is connected to a second inverter control unit.

[0036] The first end of the inverter control unit 1 is connected to the digital control terminal DI1, the first end of the inverter control unit 2 is connected to the digital control terminal DI2, and the second end of the inverter control unit 1 is connected to the second end of the inverter control unit 2 and then connected to the digital control common terminal DCM1.

[0037] The inverter control unit 1 includes a three-position switch SA1-1 and a forward electric operation button SB1 connected in parallel; the inverter control unit 2 includes a three-position switch SA1-2 and a reverse electric operation button SB2 connected in parallel. The three-position switch SA1 can realize the continuous operation of the inverter; SB1 and SB2 are forward and reverse inching operation buttons, which are connected to the inverter control terminal in parallel with the switch to realize the inching control of the motor. The button line can be extended to a position where maintenance personnel can observe the operation status of the equipment according to actual needs.

[0038] Furthermore, the load side U terminal is connected to the U phase of the motor, the load side V terminal is connected to the V phase of the motor, and the load side W terminal is connected to the W phase of the motor; the output end of the inverter is connected to the two motors M1 and M2 of the metallurgical ground vehicle through the circuit breaker QF2 with overcurrent and quick-break protection. These two motors can realize the common drive of the metallurgical vehicle and the separate drive in case of fault.

[0039] Furthermore, a potentiometer is connected between the analog speed regulation 24V power supply terminal +V and the analog control common terminal ACM1, and the analog speed regulation control terminal V1F1 is connected to the moving contact of the potentiometer, and the high and low speed adjustment of the inverter is achieved by rotating the potentiometer.

[0040] In summary, the present invention can be operated without overturning the vehicle when replacing the wheels of offline vehicles, and the vehicle that has been repaired can be tested in time to timely discover equipment assembly defects, avoid vehicle damage caused by the vehicle being put on line with defects, and ensure normal production. Specifically, the present invention can repair the wheel turning turntable without overturning the vehicle to replace the wheels and reducers by placing the offline vehicle on a support mechanism for repair, and the operation is simple and convenient; by setting an electrical control panel, the frequency converter can be used to achieve smooth speed regulation, and the running status of the vehicle at high and low speeds can be detected; by using the button conversion switch in parallel, the motor can be started or continuously, which can effectively avoid the fault of converter metallurgical vehicles (ladle cars, slag cars) offline or planned offline maintenance. After replacing the motor or reducer, wheels and other components, a test run can be carried out offline, and problems can be dealt with in time to ensure the equipment assembly accuracy and ensure normal production.

[0041] The above-described embodiments are merely descriptions of preferred implementations of the present invention and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the scope of protection determined by the claims of the present invention.

Claims

1. A metallurgical ground vehicle offline maintenance and detection device, characterized in that: The device includes: A supporting mechanism, which is used to support the metallurgical ground vehicle so that the wheels of the metallurgical ground vehicle are off the ground; An electrical control panel, which is used to electrically control the operating status of the metallurgical ground vehicle; in, The support mechanism includes a concrete foundation supported on the ground and a support seat installed on the concrete foundation; The electrical control panel includes a frequency converter.

2. The off-line maintenance and detection device for metallurgical ground vehicles according to claim 1 is characterized in that: The frequency converter has an input terminal connected to a power source, and an output terminal connected to a motor of a metallurgical ground vehicle.

3. The off-line maintenance and detection device for metallurgical ground vehicles according to claim 1 is characterized in that: The frequency converter includes a power supply side R terminal, a power supply side S terminal, a power supply side T terminal, a digital control terminal DI1, a digital control terminal DI2, a digital control common terminal DCM1, an alarm output normally open terminal FA1, a load side U terminal, a load side V terminal, a load side W terminal, an analog speed regulation 24V power supply terminal +V, an analog speed regulation control terminal V1F1 and an analog control common terminal ACM1.

4. The off-line maintenance and detection device for metallurgical ground vehicles according to claim 3 is characterized in that: The power supply side R terminal, the power supply side S terminal, and the power supply side T terminal are respectively connected to the power supply L1 phase, L2 phase, and L3 phase through an air switch QF1.

5. The off-line maintenance and detection device for metallurgical ground vehicles according to claim 3 is characterized in that: The digital control terminal DI1 is set to forward rotation, and the digital control terminal DI2 is set to reverse rotation; the digital control terminal DI1 is connected to the inverter control unit 1, and the digital control terminal DI2 is connected to the inverter control unit 2; the first end of the inverter control unit 1 is connected to the digital control terminal DI1, the first end of the inverter control unit 2 is connected to the digital control terminal DI2, the second end of the inverter control unit 1 is connected to the second end of the inverter control unit 2, and then connected to the digital control common terminal DCM1; The inverter control unit 1 includes a three-position position conversion switch SA1-1 and a forward electric operation button SB1 connected in parallel; The second frequency conversion control unit includes a three-position positioning conversion switch SA1-2 and a reverse electric operation button SB2 connected in parallel.

6. The off-line maintenance and detection device for metallurgical ground vehicles according to claim 3 is characterized in that: The load-side U terminal is connected to the U phase of the motor, the load-side V terminal is connected to the V phase of the motor, and the load-side W terminal is connected to the W phase of the motor.

7. The off-line maintenance and detection device for metallurgical ground vehicles according to claim 3 is characterized in that: A potentiometer is connected between the analog speed regulation 24V power supply terminal +V and the analog control common terminal ACM1, and the analog speed regulation control terminal V1F1 is connected to the moving contact of the potentiometer.

8. The off-line maintenance and detection device for metallurgical ground vehicles according to claim 1 is characterized in that: The support seat is made of H-shaped steel.

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