Walking mechanism of continuous casting tundish car and continuous casting tundish car

Abstract

The utility model relates to the technical field of ferrous metallurgy, and particularly discloses a walking mechanism of a continuous casting tundish car and the continuous casting tundish car, and the walking mechanism of the continuous casting tundish car comprises wheels; the controller, the electromagnetic brake and the control switch are sequentially connected, the control switch is electrically connected with the wheels and the electromagnetic brake and arranged on the direct current side of the electromagnetic brake, the controller is connected with a sensor, the sensor can monitor the brake clearance of the electromagnetic brake and transmit the brake clearance to the controller, and the controller is connected with the electromagnetic brake. And the controller can confirm the abnormal brake clearance and turn off the control switch, so that the wheels stop walking. The control switch is additionally arranged on the direct current side of the electromagnetic brake, direct current supplied to the electromagnetic coil of the electromagnetic brake can be directly switched on and off, switching between the working state and the stopping state of the electromagnetic brake can be accurately achieved, effective control over brake clearance changes of the electromagnetic brake is achieved, and cost reduction and efficiency improvement are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steel metallurgy technology especially relates to a walking mechanism of continuous casting tundish car. BACKGROUND

[0002] The slab continuous casting machine is a key equipment for continuously casting liquid steel into a slab in the steel production process, and it realizes the transformation from liquid steel to solid slab, and is an important link connecting the steelmaking and rolling processes. The tundish car, namely the intermediate ladle carrying vehicle, is an important equipment matched with the slab continuous casting machine, and its main function is to carry and transport the intermediate ladle, so as to ensure that the intermediate ladle can be accurately and stably moved between different working positions, and plays a key role in the whole molten steel pouring process.

[0003] The electromagnetic brake of the existing tundish car changes the braking gap after being used for a period of time, increases the working voltage, and further causes the coil or motor of the electromagnetic brake to be burned out. When this fault occurs in the casting and ladle changing process, even if the fault time is only 1-5 minutes, it will cause the casting machine to fail to cast and the casting to be interrupted, and seriously interfere with the stable production of the No. 2 slab continuous casting machine.

[0004] Therefore, the prior art still needs to be improved. UTILITY MODEL CONTENTS

[0005] One of the technical problems to be solved by the utility model is to reduce or avoid the problem that the braking gap of the electromagnetic brake of the tundish car changes after being used for a period of time, the working voltage increases, and the coil or motor of the electromagnetic brake is burned out.

[0006] To solve the above technical problems, some embodiments of the utility model disclose a walking mechanism of a continuous casting tundish car, which comprises:

[0007] A wheel;

[0008] A controller, an electromagnetic brake and a control switch connected in sequence, the control switch is electrically connected with the wheel and the electromagnetic brake and is arranged on the direct current side of the electromagnetic brake, and the controller is connected with a sensor,

[0009] The sensor can monitor the braking gap of the electromagnetic brake and transmit it to the controller, and the controller can confirm the abnormal braking gap and disconnect the control switch, so that the wheel stops walking.

[0010] In some embodiments, the power supply voltage of the direct current side of the electromagnetic brake is 170V of direct current voltage.

[0011] In some embodiments, the walking mechanism of the continuous casting tundish car further comprises a track matched with the size of the wheel.

[0012] In some embodiments, the running gear of the continuous casting tundish car further comprises a rectifier electrically connected with the electromagnetic brake.

[0013] In some embodiments, the control switch is arranged between the electromagnetic brake and the rectifier.

[0014] In some embodiments, the number of the electromagnetic brakes comprises a plurality, and the DC side of each electromagnetic brake is provided with a control switch.

[0015] In some embodiments, the running gear further comprises an alarm electrically connected with the controller.

[0016] In some embodiments, the sensor is an inductive displacement sensor.

[0017] In some embodiments, the running gear further comprises an axle, and the wheel is mounted on the axle through a bearing.

[0018] According to some other embodiments of the utility model, a continuous casting tundish car is further provided, which comprises a frame and the running gear according to any one of the above embodiments, and the running gear is mounted on the frame.

[0019] By adopting the above technical scheme, the utility model has at least the following beneficial effects: the utility model provides a running gear of a continuous casting tundish car, which comprises a wheel and a controller, an electromagnetic brake and a control switch connected in sequence, the control switch is connected with the wheel, the control switch is electrically connected with the electromagnetic brake and arranged on the DC side of the electromagnetic brake, the controller is connected with a sensor, the sensor can monitor the brake gap of the electromagnetic brake and transmit it to the controller, the controller can confirm the abnormal brake gap and disconnect the control switch, so that the wheel stops running. The control switch is added on the DC side of the electromagnetic brake, the direct on-off operation of the DC power supplied to the electromagnetic coil of the electromagnetic brake can be realized, and the switching between the working state and the stop state of the electromagnetic brake can be accurately realized. The controller, the sensor, the electromagnetic brake and the control switch cooperate with each other, when the brake gap of the electromagnetic brake is monitored to change, the running gear can cut off the control circuit corresponding to the control switch by disconnecting the control switch, so that the abnormal current can be prevented from further damaging the electromagnetic brake and related equipment. The effective control of the brake gap change of the electromagnetic brake is realized, the equipment failure rate in the steel plant is significantly reduced, the equipment failure downtime and production interruption caused thereby are reduced, and the cost reduction and benefit increase are facilitated.

[0020] The utility model further provides a continuous casting tundish car, which can at least realize the above beneficial effects, and details are not repeated. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0022] Figure 1 A schematic view of a walking mechanism of a continuous casting tundish car disclosed in some embodiments of the present application.

[0023] Explanation of reference signs:

[0024] 1, wheel; 2, controller; 3, sensor; 4, electromagnetic brake; 5, control switch; 6, rectifier; 100, walking mechanism of continuous casting tundish car. DETAILED DESCRIPTION

[0025] The embodiments of the present application will be further described in detail below with reference to the drawings and embodiments. The detailed description and drawings of the following embodiments are used to exemplarily illustrate the principles of the present application, but cannot be used to limit the scope of the present application, and the present application can be implemented in many different forms, and is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0026] The present application provides these embodiments in order to make the present application thorough and complete, and fully express the scope of the present application to those skilled in the art. It should be noted that: unless otherwise specified, the relative arrangement of components and steps, the composition of materials, numerical expressions and values set forth in these embodiments should be interpreted as merely exemplary, and not as a limitation.

[0027] It should be noted that, in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is greater than or equal to two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer" and the like is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0028] In addition, "first", "second", and similar words used in the disclosure do not mean any order, number or importance, but are only used to distinguish different parts. "Vertical" is not strictly vertical, but within the allowable range of error. "Parallel" is not strictly parallel, but within the allowable range of error. "Include" or "contain" and similar words mean that the elements before the word cover the elements listed after the word, and do not exclude the possibility of also covering other elements.

[0029] It should also be noted that in the description of the disclosure, unless otherwise explicitly specified and limited, the terms "mount", "connect", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the disclosure can be understood according to the specific circumstances. When it is described that a specific device is located between the first device and the second device, there can be or can not be an intermediate device between the specific device and the first device or the second device.

[0030] All terms used in the disclosure have the same meaning as understood by those skilled in the art to which the disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted to have meanings consistent with their meanings in the context of the relevant art, and should not be interpreted in an idealized or excessively formalized sense, unless otherwise defined herein.

[0031] Techniques, methods and devices known to those skilled in the relevant art can not be discussed in detail, but in appropriate cases, the techniques, methods and devices should be considered as part of the specification.

[0032] As Figure 1 shown, Figure 1The schematic view of the walking mechanism 100 of the continuous-casting tundish car disclosed by some embodiments of the utility model, the walking mechanism 100 of the continuous-casting tundish car includes a wheel 1; a controller 2, an electromagnetic brake 4 and a control switch 5 connected in sequence, the controller 2 is connected with a sensor 3, the electromagnetic brake 4 is electrically connected with the control switch 5, the control switch 5 is arranged at the direct current side of the electromagnetic brake 4, the sensor 3 can monitor the brake gap of the electromagnetic brake and transmit it to the controller 2, the controller 2 can confirm the abnormal brake gap and disconnect the control switch 5, so that the wheel 1 stops walking.Increasing the control switch 5 at the direct current side of the electromagnetic brake 4, the direct on-off operation of the direct current supplied to the electromagnetic coil of the electromagnetic brake 4 can be carried out, and the switching of the working and stopping states of the electromagnetic brake 4 can be accurately realized.The controller 2, the sensor 3, the electromagnetic brake 4 and the control switch 5 cooperate with each other, when the abnormal brake gap of the electromagnetic brake 4 is monitored, the walking mechanism 100 will cut off the control circuit corresponding thereto by disconnecting the control switch 5, to prevent the abnormal current from causing further damage to the electromagnetic brake 4 and related equipment.The effective control of the brake gap change of the electromagnetic brake 4 is realized, the equipment failure rate in the steel plant is significantly reduced, the equipment failure downtime and production interruption caused thereby are reduced, and the cost is reduced and the efficiency is increased.

[0033] According to some embodiments of the utility model, the power supply voltage of the direct current side of the electromagnetic brake 4 is direct current voltage 170V. Due to different industrial application scenarios and different requirements of equipment on the working voltage of the electromagnetic brake 4, for some medium and large scale steel plant equipment (such as slab continuous casting machine tundish car), the load is large, the braking requirement is high, and the 170V direct current power supply voltage may be exactly suitable for the design specification of the electromagnetic brake 4 in such equipment, improving the safety and reliability of the equipment.

[0034] According to some embodiments of the utility model, the walking mechanism 100 of the continuous-casting tundish car further includes a track matched with the size of the wheel 1. The track guides the wheel 1 and limits the path and direction of the tundish car walking. The size and shape of the wheel 1 are designed according to the shape of the track, for example, for an I-shaped track, the width, thickness and fitting mode of the wheel 1 rim are matched with the track, which can ensure that the wheel 1 is stably clamped on the track and prevent derailment, and also ensure that the wheel 1 has a suitable gap during rolling.

[0035] According to some embodiments of the utility model, the walking mechanism 100 of the continuous-casting tundish car further includes a rectifier 6 electrically connected with the electromagnetic brake 4. Further, the control switch 5 is arranged between the electromagnetic brake 4 and the rectifier 6. The rectifier 6 can convert the alternating current input from the power grid into direct current to provide direct current for the electromagnetic brake 4, ensuring that the electromagnetic coil of the electromagnetic brake 4 can normally work with power supply, generating a stable magnetic field to ensure stable and effective braking of the tundish car.

[0036] According to the utility model discloses a plurality of electromagnetic brakes 4, and the direct current side of each electromagnetic brake 4 is provided with control switch 5. Figure 1 As shown, there are two electromagnetic valves 5, each electromagnetic valve 5 has control switch 5 electrically connected therewith, and each switch controls the opening or disconnection of one electromagnetic brake 4, can directly carry out on-off operation to the direct current of the electromagnetic coil of the electromagnetic brake 4, and the switching of the working and stopping state of the electromagnetic brake 4 can be accurately realized.

[0037] According to the utility model discloses a plurality of electromagnetic brakes 4, and the direct current side of each electromagnetic brake 4 is provided with control switch 5.

[0038] According to the utility model discloses a plurality of electromagnetic brakes 4, and the direct current side of each electromagnetic brake 4 is provided with control switch 5.

[0039] According to the utility model discloses a plurality of electromagnetic brakes 4, and the direct current side of each electromagnetic brake 4 is provided with control switch 5.

[0040] According to the utility model discloses a plurality of electromagnetic brakes 4, and the direct current side of each electromagnetic brake 4 is provided with control switch 5.

[0041] According to the utility model discloses a plurality of electromagnetic brakes 4, and the direct current side of each electromagnetic brake 4 is provided with control switch 5.

[0042] The above-mentioned embodiments have described the walking mechanism 100 of the continuous casting ladle car of the utility model in detail, and thus the embodiments of the present disclosure have been described in detail.

[0043] Although some specific embodiments of the present disclosure have been described in detail by way of examples, one skilled in the art should understand that the above examples are only for illustration, and are not intended to limit the scope of the present disclosure. One skilled in the art should understand that the above embodiments can be modified or equivalent replacements can be made to some technical features without departing from the scope and spirit of the present disclosure. In particular, the technical features mentioned in each embodiment can be combined in any manner as long as there is no structural conflict.

Claims

1. A traveling mechanism for a continuous casting ladle car, characterized in that, include: wheel; A controller, an electromagnetic brake, and a control switch are connected in sequence. The control switch is electrically connected to the wheel and the electromagnetic brake and is located on the DC side of the electromagnetic brake. The controller is connected to a sensor. The sensor can detect the braking gap of the electromagnetic brake and transmit it to the controller. The controller can identify the abnormal braking gap and disconnect the control switch to stop the wheel from moving.

2. The traveling mechanism of the continuous casting tundish car according to claim 1, characterized in that, The power supply voltage on the DC side of the electromagnetic gate is 170V DC.

3. The traveling mechanism of the continuous casting tundish car according to claim 1, characterized in that, The running mechanism of the continuous casting ladle car also includes a track that matches the size of the wheels.

4. The traveling mechanism of the continuous casting tundish car according to claim 1, characterized in that, The traveling mechanism of the continuous casting tundish car also includes a rectifier electrically connected to the electromagnetic gate.

5. The traveling mechanism of the continuous casting tundish car according to claim 4, characterized in that, The control switch is located between the electromagnetic gate and the rectifier.

6. The traveling mechanism of the continuous casting tundish car according to claim 1, characterized in that, The electromagnetic gates are multiple in number, and each electromagnetic gate is equipped with a control switch on its DC side.

7. The traveling mechanism of the continuous casting tundish car according to claim 1, characterized in that, The walking mechanism also includes an alarm, which is electrically connected to the controller.

8. The traveling mechanism of the continuous casting tundish car according to claim 1, characterized in that, The sensor is an inductive displacement sensor.

9. The traveling mechanism of the continuous casting tundish car according to claim 1, characterized in that, The walking mechanism also includes an axle, and the wheels are mounted on the axle via bearings.

10. A continuous casting tundish car, characterized in that, It includes a frame and a running gear as described in any one of claims 1-9, wherein the running gear is mounted on the frame.

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