CN208430921U - A kind of electric loop of Ning Luo mechanism - Google Patents

Abstract

The utility model discloses a kind of electric loops of Ning Luo mechanism, it includes electric loop and variable resistor device, electric loop includes upper stubborn motor main circuit, lower stubborn motor main circuit and control loop, has sealed in variable resistor device in upper stubborn motor main circuit and lower stubborn motor main circuit；Control loop includes relay and manual knob switch, and relay and manual knob switch are serially connected on the circuit of stubborn motor and lower stubborn motor.The utility model is designed reasonably, structure is simple, at low cost, it is only necessary to increase by six groups of variable resistor devices, substantially reduce fire door rupture degree, convenient operating maintenance, operational effect are good.Reduce fire door station maintenance labor intensity, improve the working environment of employee, greatly reduce the harm to environment, haves laid a good foundation for safe and environment-friendly production.

Description

A kind of electric loop of Ning Luo mechanism

Technical field

The utility model relates to technical field of electricity, and in particular to a kind of electric loop of Ning Luo mechanism.

Background technique

In process of coking, coke oven must open coke oven door in coke pushing, must be by coke oven door lid when coalingging On, matched equipment is exactly the Ning Luo mechanism on pusher machine and coke guide, and Ning Luo mechanism is in prolonged use process In, due to the factors such as mechanical wear and motor insulation ag(e)ing, torque becomes smaller, and fire door, which is twisted, not to be occurred tightly smoldering burning with anger；Coke oven door Most of due to using the time long, the torque for twisting screw head generally reduces, and the Ning Luo mechanism newly used, which is greater than, twists screw head torque, causes Stubborn spiral shell process fire door rupture is frequently appeared in, serious security risk is easily caused, influences the normal operation of production.

Utility model content

For the above-mentioned deficiency of the prior art, the utility model provides a kind of pusher machine and coke guide Shang Ning spiral shell mechanism Electric loop and the variable resistor device for being used in the circuit.

To achieve the above object of the invention, the technology employed by the present utility model is

There is provided a kind of electric loop of Ning Luo mechanism comprising electric loop and variable resistor device, electric loop include It is upper to twist motor main circuit, lower stubborn motor main circuit and control loop, it is gone here and there in upper stubborn motor main circuit and lower stubborn motor main circuit Enter to have variable resistor device；Control loop includes relay and manual knob switch, and relay and manual knob switch concatenate On the circuit of upper stubborn motor and lower stubborn motor, the contact KB1 of relay is concatenated with the coil KF1 of relay, the line of relay Circle KB1 is concatenated with the contact KF1 of relay；The contact KB2 of relay is concatenated with the coil KF2 of relay, the coil of relay KB2 is concatenated with the contact KF2 of relay；Manual knob switch includes contact SA1 and SA2, contact SA1 and contact KF1 and contact KB1 concatenation, contact SA2 are concatenated with contact KF2 and contact KB2.

Variable resistor device includes slide rheostat and push-pull electromagnet, is connected with and pushes away on the slide plate of slide rheostat The dynamic iron core of bar, push rod and push-pull electromagnet connects, and push-pull electromagnet is electrically connected with the controller, is provided with out on controller Close button.

Further, push-pull electromagnet includes shell, coil, dynamic iron core and static iron core, and coil is set in shell, is moved Iron core is placed in coil；One end of dynamic iron core is connected on shell by spring, and push rod is fixed on the other end；Static iron core is solid Due in shell, and it is located at the connecting pin of push rod and static iron core.

Further, travel switch is provided on push rod, travel switch is connect with controller.

The utility model has the following beneficial effects: this programme is electrical time for applying to pusher machine and coke guide Shang Ning spiral shell mechanism Road, for controlling upper stubborn motor and lower stubborn motor；When manual knob switch rotary is to contact SA1, turn is worked as in upper stubborn motor work When to contact SA2, lower stubborn motor work；Variable resistor device is concatenated on the major loop of two motors, by changing resistance Mode adjusts the revolving speed of motor, and then adjusts the torque of Ning Luo mechanism, prevents Ning Luo mechanism to be greater than the torque for twisting screw head, causes Appear in the case where fire door ruptures during stubborn spiral shell.

Push-pull electromagnet on variable resistor device can realize adjust automatically resistance, when a button is depressed, plug-type electricity Magnet obtains electric slide plate movement on push rod promotion slide rheostat, and then achievees the purpose that change resistance；It upper stubborn motor and lower twists It is mutually self-locking between the contact on relay connected on the circuit of motor and coil, when contact is closed at two-by-two, motor Just it is powered, the work of driving Ning Luo mechanism.It is more than stroke that travel switch is mobile for anti-throw-out lever, damages variable resistor device.

The utility model is designed reasonably, structure is simple, at low cost, it is only necessary to increase by six groups of variable resistor devices, it is practical to pacify Dress is convenient.In debugging process, when Ning Luo mechanism inability, variable resistor device resistance value is reduced；When Ning Luo mechanism torque is excessive When, increase variable resistor device resistance value, and by automation control, substantially reduce fire door rupture degree, Operation and Maintenance side Just, operational effect is good.Reduce fire door station maintenance labor intensity, improves the working environment of employee, greatly reduce to environment Harm, for it is safe and environment-friendly production have laid a good foundation.

Detailed description of the invention

Fig. 1 is the electric loop schematic diagram of Ning Luo mechanism.

Fig. 2 is the structural schematic diagram of variable resistor device.

Wherein, 1, coil, 2, spring, 3, shell, 4, travel switch, 5, static iron core, 6, push rod, 7, terminals, 8, cunning Piece, 9, resistance coil, 10, dynamic iron core.

Specific embodiment

Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art The utility model, it should be apparent that the utility model is not limited to the range of specific embodiment, to the common skill of the art For art personnel, if various change the attached claims limit and determine the utility model spirit and scope in, These variations are it will be apparent that all utilize the innovation and creation of the utility model design in the column of protection.

As depicted in figs. 1 and 2 comprising electric loop and variable resistor device, electric loop include that upper stubborn motor master returns Variable resistance has been sealed in road, lower stubborn motor main circuit and control loop, upper stubborn motor main circuit and lower stubborn motor main circuit Device；Control loop include relay and manual knob switch, relay and manual knob switch be serially connected in stubborn motor and Down on the circuit of stubborn motor, the contact KB1 of relay is concatenated with the coil KF1 of relay, the coil KB1 and relay of relay Contact KF1 concatenation；The contact KB2 of relay is concatenated with the coil KF2 of relay, the coil KB2 of relay and relay Contact KF2 concatenation；Manual knob switch includes contact SA1 and SA2, and contact SA1 is concatenated with contact KF1 and contact KB1, contact SA2 is concatenated with contact KF2 and contact KB2.

Variable resistor device includes slide rheostat and push-pull electromagnet, is connected with and pushes away on the slide plate 8 of slide rheostat Bar 6, push rod 6 are connect with the dynamic iron core 10 of push-pull electromagnet, and push-pull electromagnet is electrically connected with the controller, and is arranged on controller There is switch button.

Push-pull electromagnet includes shell 3, coil 1, dynamic iron core 10 and static iron core 5, and coil 1 is set in shell 3, moves iron Core 10 is set in coil 1, and dynamic iron core 10 can be free to slide in coil 1；One end of dynamic iron core 10 is connected to by spring 2 Push rod 6 is fixed on shell 3, on the other end；Static iron core 5 is fixed in shell 3, and is located at the connection of push rod 6 and static iron core 5 End.Travel switch 4 is provided on push rod 6, travel switch 4 is connect with controller.Controller uses C51 single-chip microcontroller, travel switch 4 Using WK1-03 type travel switch, manual knob switch uses two gear rotary switch of XB5 water proof type, and relay uses SZR- MY4-S-N1DC24V type relay.

This programme is the electric loop for applying to pusher machine Yu coke guide Shang Ning spiral shell mechanism, for controlling upper stubborn motor under Twist motor；When manual knob switch rotary is to contact SA1, upper stubborn motor work, when turn is to contact SA2, lower stubborn motor work Make；Variable resistor device is concatenated on the major loop of two motors, and the terminals for wiring are provided on variable resistor device 7, the revolving speed of motor is adjusted by way of the resistance of circuit is accessed changing resistance coil 9, and then adjust the torsion of Ning Luo mechanism Square prevents Ning Luo mechanism to be greater than the torque for twisting screw head, causes to appear in the case where fire door during stubborn spiral shell ruptures.

Push-pull electromagnet on variable resistor device can realize adjust automatically resistance, when a button is depressed, plug-type electricity Magnet obtains electric, and dynamic iron core 10 is magnetized, and dynamic iron core 10 attracts each other with static iron core 5, so that dynamic iron core 10 is slided in coil 1, Push rod 6 pushes the slide plate 8 on slide rheostat mobile, and then achievees the purpose that change resistance；Upper stubborn motor and lower stubborn motor Mutually self-locking between the contact and coil of the relay connected on circuit, when contact is closed at two-by-two, motor is just powered, and drives The work of Dong Ning spiral shell mechanism.It is more than stroke that travel switch 4 is mobile for anti-throw-out lever 6, damages variable resistor device.

The utility model is designed reasonably, structure are simple, it is only necessary to increase by six groups of variable resistor devices, actual installation is convenient. In debugging process, when Ning Luo mechanism inability, variable resistor device resistance value is reduced；When Ning Luo mechanism torque is excessive, increase Variable resistor device resistance value；And by automation control, substantially reduce fire door rupture degree, convenient operating maintenance, operation Effect is good.Reduce fire door station maintenance labor intensity, greatly reduce the harm to environment, is established for safe and environment-friendly production Good basis.

Claims (3)

1. a kind of electric loop of Ning Luo mechanism, which is characterized in that including electric loop and variable resistor device, described electrical time Road includes upper stubborn motor main circuit, lower stubborn motor main circuit and control loop, the upper stubborn motor main circuit and lower stubborn motor master The variable resistor device has been sealed in circuit；The control loop includes relay and manual knob switch, the relay Device and manual knob switch are serially connected on the circuit of stubborn motor and lower stubborn motor, the contact KB1 and relay of the relay The coil KF1 of device is concatenated, and the coil KB1 of the relay is concatenated with the contact KF1 of relay；The contact KB2 of the relay It is concatenated with the coil KF2 of relay, the coil KB2 of the relay is concatenated with the contact KF2 of relay；The manual knob is opened Closing includes contact SA1 and contact SA2, and the contact SA1 is concatenated with contact KF1 and contact KB1, the contact SA2 and contact KF2 It is concatenated with contact KB2；

The variable resistor device includes slide rheostat and push-pull electromagnet, is connected on the slide plate (8) of the slide rheostat It is connected to push rod (6), the push rod (6) connect with the dynamic iron core (10) of push-pull electromagnet, the push-pull electromagnet and control Device is electrically connected, and is provided with switch button on the controller.

2. the electric loop of Ning Luo mechanism according to claim 1, which is characterized in that the push-pull electromagnet includes outer Shell (3), coil (1), dynamic iron core (10) and static iron core (5), the coil (1) are set in shell (3), the dynamic iron core (10) It is placed in coil (1)；One end of the dynamic iron core (10) is connected on shell (3) by spring (2), is fixed on the other end Push rod (6)；The static iron core (5) is fixed in shell (3), and is located at the connecting pin of push rod (6) and static iron core (5).

3. the electric loop of Ning Luo mechanism according to claim 1, which is characterized in that be provided with row on the push rod (6) Cheng Kaiguan (4), the travel switch (4) connect with controller.