CN111804900B - Shaft type counterpoint tractor of C0 - Google Patents
Shaft type counterpoint tractor of C0 Download PDFInfo
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- CN111804900B CN111804900B CN202010697012.XA CN202010697012A CN111804900B CN 111804900 B CN111804900 B CN 111804900B CN 202010697012 A CN202010697012 A CN 202010697012A CN 111804900 B CN111804900 B CN 111804900B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/12—Travelling ladles or similar containers; Cars for ladles
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/10—Slag pots; Slag cars
Abstract
The invention discloses a C0 shaft type alignment tractor, which comprises a frame, wherein traction buffering devices are arranged at two ends of the frame, a brake resistor cabinet is arranged at the left part in the frame, a traction frequency conversion cabinet is arranged at the middle part in the frame, an electric appliance cabinet and a cable winding system are arranged at the right part in the frame, a walking part is arranged at the lower part of the frame, and the walking part comprises a traction motor and a brake; the external power supply is electrically connected with the cable winding system, the cable winding system is electrically connected with the electric appliance cabinet, the traction frequency conversion cabinet and the brake, and the traction frequency conversion cabinet is electrically connected with the traction motor and the brake resistance cabinet. The alignment tractor is suitable for alignment operation of hot metal ladle cars, torpedo cars or slag ladle cars in iron and steel enterprises, is a domestic first C0 shaft type alignment tractor, can meet the traction alignment functions of different iron and steel enterprises by supplying power through a cable winding system and adopting an alternating current transmission technology, and has the advantages of simple structure, mature technology, safety, reliability, convenience in overhaul and maintenance and the like.
Description
Technical Field
The invention belongs to the technical field of metallurgical vehicles, and particularly relates to a C0 shaft type alignment tractor.
Background
The alignment tractor is suitable for alignment operation of molten iron tank cars, torpedo cars, slag tank cars and the like in iron and steel enterprises. The counterpoint tractor mainly comprises the automobile body, the drive division, the bogie and the electric control four bibliographic categories branch, can replace diesel locomotive to accomplish hot metal bottle counterpoint operation, accomplishes long-range counterpoint through the remote control, convenient operation, and the counterpoint is accurate reliable, efficient to can prevent that maloperation and molten iron from splashing, equipment operation and self-charging all accessible remote contact have reduced man-machine contact number of times, have reduced the incident rate. At present, the domestic alignment tractor adopts a power battery as power and a direct current transmission technology, namely a B0-B0 shaft type, a bogie adopts secondary suspension, and a short-tail coupler buffer device is arranged at the car end. After the power battery discharges, the power battery needs to be charged through a ground power supply and a telescopic power receiving device. However, the direct current traction motor is adopted, so that the exertion of the traction force of the whole vehicle is influenced to a certain extent. And because the alignment tractor is applied in a high-temperature environment, the alignment tractor has the risk of power battery explosion and has certain potential safety hazard.
Disclosure of Invention
The technical problem solved by the invention is as follows: the utility model provides a shaft type counterpoint tractor of C0, this counterpoint tractor is applicable to the counterpoint operation of metallurgical vehicles such as molten iron tank car, hot metal mixer or slag ladle car among the iron and steel enterprise, is the shaft type counterpoint tractor of domestic first money C0, and this car is through the power supply of cable winding system, adopts interchange transmission technique, spring pressurization stopper, can satisfy the traction counterpoint function of different iron and steel enterprises, has advantages such as simple structure, mature technique, safe and reliable and overhaul the maintenance convenience for traditional counterpoint tractor.
The technical scheme adopted by the invention is as follows:
a C0 shaft type alignment tractor comprises a frame, wherein traction buffering devices are arranged at two ends of the frame, a brake resistance cabinet is arranged at the left part in the frame, a traction frequency conversion cabinet is arranged at the middle part in the frame, an electric appliance cabinet and a cable winding system are arranged at the right part in the frame, a walking part is arranged at the lower part of the frame and comprises a traction motor and a brake; the external power supply is electrically connected with the cable winding system, the cable winding system is electrically connected with the electric appliance cabinet, the traction frequency conversion cabinet and the brake, and the traction frequency conversion cabinet is electrically connected with the traction motor and the brake resistance cabinet.
Preferably, the walking part comprises a plurality of groups of walking devices, each walking device comprises a plurality of suspender suspension devices arranged at the lower part of the frame, each suspension device is provided with a suspender capable of sliding vertically, each suspender is provided with a spiral steel spring which slides vertically and contracts relative to the suspender, the bottom of each suspender is provided with a ball joint, each ball joint is connected with a base, the base can swing transversely or longitudinally relative to the suspender through the ball joint, the base is provided with a traction motor and a gearbox, the suspension devices are arranged at two sides of the traction motor, one end of the traction motor is connected with the gearbox through a coupling, the coupling is connected with the gearbox, the other end of the traction motor is provided with a brake, the brake is connected with a speed sensor, the gearbox is connected with a wheel set in a transmission manner, and axle boxes are arranged at two ends of the wheel set, the axle box body is provided with an axle box spring and a traction pull rod, and the axle box spring and the traction pull rod are connected with the frame.
Preferably, the cable winding system comprises a cable winding disc, a cable winding actuator and a cable winding controller, the cable winding disc is wound with a cable winding cable, the cable winding actuator comprises a motor, a hysteresis coupling and a speed reducing mechanism which are sequentially connected, the speed reducing mechanism is connected with the cable winding disc, and the cable winding controller is electrically connected with the cable winding actuator and used for receiving an instruction to control the cable winding actuator to wind or unwind the cable.
Preferably, the alignment tractor comprises an electrical control system, wherein the electrical control system comprises a microcomputer arranged in an electrical appliance cabinet, and an internal control module is used for controlling the traction frequency conversion cabinet, the brake and the cable winding system after receiving an instruction;
the traction frequency conversion cabinet is used for supplying power to the traction motor after receiving a traction instruction so as to drive the alignment tractor to move through the traction motor; the brake resistor cabinet is used for controlling the opening of the brake resistor cabinet to decelerate the alignment tractor;
the brake is used for braking the alignment tractor to stop the alignment tractor;
and the cable winding system is used for transmitting external electric energy to the interior of the alignment tractor to be used as power and controlling the speed and direction of the cable winding to be synchronous with the alignment tractor.
Preferably, the electrical control system further comprises a signal input module, wherein the signal input module is any one of a remote controller, a frame button or an electric appliance cabinet button.
Preferably, a plurality of frequency converters are arranged in the traction frequency conversion cabinet and used for controlling a plurality of traction branches, and a circuit breaker, a contactor and a reactor are arranged in a circuit in front of the frequency converters in each traction branch controlled in the traction frequency conversion cabinet.
Preferably, the frame is provided with a weight.
Preferably, the frame is made of a fire-resistant structure.
Preferably, a vehicle body ventilator is arranged on the frame; and the traction frequency conversion cabinet is provided with an air conditioner.
Preferably, the spiral steel spring is placed on the suspender and is a double-layer spiral steel spring, two ends of the double-layer spiral steel spring are connected with baffle plates, the baffle plates are fixed on the suspender, and the suspender component is arranged on the suspender and separates the double-layer spiral steel spring.
The alignment tractor related by the invention is suitable for alignment operation of metallurgical vehicles such as molten iron tank cars, mixed iron or slag tank cars and the like in iron and steel enterprises, is a domestic first C0 shaft type alignment tractor, and has the following advantages:
1. the C0 shaft type is adopted, the requirements of users can be met, the structure is simple, the overhaul and the maintenance are convenient, the safety and the reliability are realized, and the economical efficiency is good.
2. By adopting an alternating current transmission technology, the traction control device has good adhesion control level and can fully exert the traction force of the alignment tractor.
3. Adopt outside industrial electricity as the power, green has avoided the risk of the explosion of on-vehicle installation power battery.
4. The brake adopts a spring pressurization electromagnetic type, and has the advantages of simple structure, convenience in overhaul and maintenance and the like compared with electro-hydraulic braking and air braking.
5. By adopting a platform design, the same-platform design of the B0 shaft type alignment tractor can be realized, and the universality of parts is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of an alignment tractor, wherein fig. 1a is a front view and fig. 1b is a top view;
FIG. 2 is a schematic structural view of the walking device, wherein FIG. 2a is a front view and FIG. 2b is a top view;
FIG. 3 is a schematic diagram of the operation of the cable winding system;
FIG. 4 is a schematic control diagram;
FIG. 5 is a functional block diagram of a traction circuit;
FIG. 6 is a schematic structural view of a damper, wherein FIG. 6a is a top view and FIG. 6b is a front view;
figure 7 is a schematic view of the alignment tractor distance control.
Wherein, the names corresponding to the reference numbers are:
1-journal box spring; 2-a draw bar base; 3-a frame; 4-a suspension device; 5-a base; 6-wheel pair; 7-axle box body; 8-a traction pull rod; 9-a speed sensor; 10-a brake; 11-a traction motor; 12-a coupling; 13-a gearbox; 14-a vehicle body ventilator; 15-an air conditioner; 16-a cable reel; 17-a cable winding controller; 18-a cable-winding actuator; 19-traction frequency conversion cabinet; 20-a walking part; 21-a weight; 22-a traction buffer; 23-brake resistor cabinet; 24-an electrical cabinet; 25-an electric motor; 26-hysteresis coupling; 27-a reduction mechanism; 28-a coupler; 29-coupler lifting rod; 30-a balance beam; 31-hook tail frame; 32-a pallet; 33-buffer, 34-spiral steel spring, 35-ball joint.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Example 1
A shaft type C0 aligning towing vehicle is shown in FIG. 1, and includes a frame 3, a towing buffering device 22 disposed at two ends of the frame 3, the buffering device 22 is a common coupler buffering device, and the specific structure of the shaft type C0 aligning towing vehicle is shown in FIG. 6, and includes a coupler 28, a coupler lifting rod 29 connected with the coupler 28, the coupler 28 is connected with an equalizing beam 30, the equalizing beam 30 is connected with a coupler tail frame 31, a buffer 33 is disposed in the coupler tail frame 31, and a support plate 32 is disposed outside the coupler tail frame 31, and the specific application of the shaft type C0 aligning towing vehicle is well known to those skilled in the art, and will not be described in detail herein. According to the invention, as shown in fig. 1, the brake resistor cabinet 23, the traction frequency conversion cabinet 19 and the electrical appliance cabinet 24 are electrical appliance structures well known to those skilled in the art, and detailed explanation is omitted, the cable winding on the cable winding disc 16 of the cable winding system is a cable, and the cable is connected with an external power supply, so that alternating current is provided for the whole tractor, the length of the cable wound on the cable winding disc 16 meets the moving range of the alignment tractor, the speed and direction of the cable winding are synchronous with the alignment of the tractor, and the real-time power supply of the alignment tractor is ensured. Frame 3 lower part is provided with walking portion 20 for counterpoint the removal of tractor, walking portion 20 includes traction motor 11 and stopper 10, as shown in fig. 2, traction motor 11 is used for providing power to the walking portion, stopper 10 is used for brakieing the walking portion for counterpoint the tractor stops, stopper 10 chooses for use to be spring pressurization stopper, compares with electric liquid braking, air brake and has advantages such as simple structure, maintenance convenience. The external power supply is electrically connected with the cable winding system, a main circuit breaker is connected between the external power supply and the cable winding system, the main circuit breaker is arranged in the ground power supply cabinet, and when the alignment tractor needs to be overhauled or is not used for a long time due to various reasons, the power supply and the alignment tractor are isolated; the cable winding system is respectively and electrically connected with an electric appliance cabinet 24, a traction frequency conversion cabinet 19 and a brake 10, and the traction frequency conversion cabinet 19 is respectively and electrically connected with a traction motor 11 and a brake resistance cabinet 23. The external power supply is connected with a cable winding system, the cable winding system is respectively and electrically connected with an electric appliance cabinet 24, a traction frequency conversion cabinet 19 and a brake 10 so as to supply alternating current to the electric appliance cabinet 24, the traction frequency conversion cabinet 19 and the brake 10, and the traction frequency conversion cabinet 19 is respectively and electrically connected with a traction motor 11 and a brake resistance cabinet 23 so as to realize the control of the traction motor 11 and the brake resistance cabinet 23 by the traction frequency conversion cabinet 19. This counterpoint tractor's design and electric connection mode can make the counterpoint tractor adopt and supply the alternating current, realize the transmission of exchanging, compare with the direct current transmission technique, exchange transmission technique can better exert wheel rail and adhere and wheel pair idle running control, traction motor 11 does not have other mechanical contact except that the bearing, and motor structure is simple, it is convenient to maintain. Under the same power condition, the traction motor 11 has the advantages of small volume, high rotating speed and light weight.
An external power supply of the alignment tractor passes through a main circuit breaker in a ground power supply cabinet, passes through an alignment tractor cable winding disc 16, then enters a traction frequency conversion cabinet 19, and current is inverted by a frequency converter in the traction frequency conversion cabinet 19 and then supplies power to a traction motor 11 to drive the alignment tractor to move forward or backward; when the alignment tractor needs braking, the inverter of the traction frequency conversion cabinet 19 regulates the traction motor 11 to perform resistance braking, and energy is consumed on the external brake resistance cabinet 23 to reduce the speed of the alignment tractor. When the alignment tractor needs to stop, the brake 10 is switched on to hold the traction motor 11 until the speed is reduced to zero.
Example 2
Based on the above embodiment 1, as shown in fig. 2, the walking part comprises a plurality of groups of walking devices, the walking devices comprise a plurality of boom suspensions 4 arranged at the lower part of the frame 3, the suspension device 4 is provided with a suspension rod which can slide vertically, the suspension rod is provided with a spiral steel spring 34 which can slide vertically relative to the suspension rod and contract, the bottom of the suspension rod is provided with a ball joint 35, the ball joint 35 is connected with a base 5, the base 5 can realize transverse or longitudinal swing relative to the suspension rod through the ball joint 35, the base 5 is provided with a traction motor 11 and a gear box 13, the suspension device 4 is arranged at two sides of the traction motor 11, one end of the traction motor 11 is connected with a gear box 13 through a coupler 12, the coupler 12 is connected with the gear box 13, the other end of the traction motor 11 is provided with a brake 10, and the brake 10 is connected with the speed sensor 9; the transmission case 13 is in transmission connection with the wheel pair, two ends of the wheel pair 13 are provided with axle case bodies 7, the axle case bodies 7 are provided with axle box springs 1 and traction pull rods 8, the axle box springs 1 and the traction pull rods 8 are both connected with the vehicle frame 3, and the traction pull rods 8 are connected with the vehicle frame 3 through traction pull rod seats 2, as shown in fig. 2 a. The embodiment provides a concrete device of a walking part, which comprises a walking device, the walking device provides traction power through a traction motor 11 arranged, so as to move a wheel set 6, a suspension rod capable of vertically sliding on a suspension device 4 is provided with a spiral steel spring 34 capable of vertically sliding relative to the suspension rod and contracting, the lower part of the suspension rod is connected with a ball joint 35, the ball joint 35 is connected with a base 5, the ball joint 35 is a structure common to those skilled in the art, and is not described in detail herein, the base 5 is provided with the traction motor 11 and a gearbox 13 connected through a coupling 12, the gearbox 13 is in transmission connection with the wheel set 6, two ends of the wheel set 6 are provided with axle box bodies 7, an axle box spring 1 and an axle box pull rod 8 arranged on the upper part of the axle box bodies 7 are both connected with a frame 3, so that the vertical direction movement of the suspension rod drives the base 5 to move in a vertical direction, therefore, the vertical positioning and displacement of the walking device can be realized, and the specific connection relationship of the spiral steel spring 34 can be that one end of the spiral steel spring is provided with a baffle plate, and the other end of the spiral steel spring is in contact connection with the suspension device 4. The lower end of the suspension rod is connected with a ball joint 35, the ball joint 35 is connected with a base 5, the base 5 swings in the transverse direction and the longitudinal direction relative to the suspension rod through the ball joint 35, therefore, the transverse direction and the longitudinal direction positioning and displacement of the walking device can be realized, meanwhile, the weight of the upper part of the vehicle body is transmitted to the wheels through the axle box spring 1 and the axle box body, and the traction and braking force is transmitted to the vehicle body through the wheel pair 6 and the traction pull rod seat 2 of the vehicle frame through the traction pull rod 8. The walking device does not need a framework frame and secondary suspension, and the manufacturing cost is reduced.
Example 3
Based on the embodiment 1, as shown in fig. 3, the cable winding system includes a cable winding disc 16, a cable winding actuator 18 and a cable winding controller 17, a cable winding cable is wound on the cable winding disc 16, the cable winding actuator 18 includes a motor 25, a hysteresis coupler 26 and a speed reducing mechanism 27, which are connected in sequence, the speed reducing mechanism 27 is connected to the cable winding disc 16, and the cable winding controller 17 is electrically connected to the cable winding actuator 18 and configured to receive a command to control the cable winding actuator 18 to wind or unwind the cable. The embodiment discloses a specific structure of a cable winding system, and the cable winding system is composed of a cable winding disc 16, a cable winding actuator 18 and a cable winding controller 17. The length of a cable curled by the cable winding disc meets the moving range of the alignment tractor, the cable winding actuator 18 transmits power to the hysteresis coupling 26 through the motor 25, then transmits amplified torque to the cable winding disc 16 through speed reduction, when the alignment tractor travels (winds the cable) towards the power supply device, the motor 25 works to drag the hysteresis coupling 26 to rotate at a high speed, the hysteresis coupling 26 drives the speed reducing mechanism 27 through magnetic coupling, and the speed reducing mechanism 27 drives the cable winding disc 16 to work. When the alignment tractor walks (unwinds) in the direction away from the power supply device, the magnetic field torque of the hysteresis coupling 26 is overcome by dragging the cable, so that slip is generated between the two reels, and the cable on the reels is unwound. Due to the presence of the "magnetic coupling", the magnetic field torque of the hysteresis coupling 26 will always remain in tension during the payout process. The cable releasing speed and the cable winding speed are synchronous with the moving speed of the alignment tractor. The cable winding controller 17 receives the locomotive command to control the cable winding actuator 18 to wind and unwind the cable.
Example 4
Based on any one of the above embodiments 1 to 3, as shown in fig. 4, the alignment tractor includes an electrical control system, the electrical control system includes a microcomputer disposed in an electrical cabinet 24, and a built-in control module is configured to control the traction frequency conversion cabinet 19, the brake 10, and the cable winding system after receiving an instruction; the traction frequency conversion cabinet 19 is used for supplying power to the traction motor 11 after receiving a traction instruction so as to drive the alignment tractor to move through the traction motor 11; the brake resistor cabinet 23 is controlled to be opened, so that the alignment tractor is decelerated; the brake 10 is used for braking the alignment tractor to stop the alignment tractor; and the cable winding system is used for transmitting external electric energy to the interior of the alignment tractor to serve as power, and the cable winding speed and direction are synchronous with the alignment tractor. The embodiment specifically explains an electric control system of the alignment tractor, and adopts a microcomputer control technology. The alignment tractor microcomputer outputs control to the traction frequency conversion cabinet 19, the brake 10 and the cable winding controller 17 of the cable winding system after being calculated by the microcomputer according to the received instruction, and the start, stop and alignment functions of the alignment tractor are completed. The control system is shown in a schematic block diagram in FIG. 4:
when the microcomputer receives the operation instruction, the microcomputer sends an instruction to the frequency converter in the traction frequency conversion cabinet 19, the traction frequency conversion cabinet 19 outputs alternating current to drive the traction motor 11 to rotate, and the wheel pair 6 is driven to rotate through the gearbox 13, so that the alignment tractor operates. The microcomputer sends an operation instruction to the traction frequency conversion cabinet 19 and outputs an instruction to a cable winding controller 17 of the cable winding system, and the cable winding controller 17 controls a cable winding actuator 18 to drive a cable winding disc 16 to unwind or wind the cable, so that the winding and unwinding speed is synchronous with the operation speed of the alignment tractor.
When the microcomputer receives a parking instruction, the microcomputer sends an instruction to a frequency converter in the traction frequency conversion cabinet 19, the traction frequency conversion cabinet 19 enables the traction motor 11 to work in a braking mode, meanwhile, the braking resistance cabinet 23 is switched on to convert braking energy into heat energy, the alignment tractor is decelerated, when the speed of the alignment tractor is reduced to 0.5km/h, the microcomputer sends an instruction to the traction frequency conversion cabinet 19, the traction motor 11 and the braking resistance cabinet 23 are switched off, meanwhile, the microcomputer sends an instruction to the brake 10, and the brake 10 performs service braking, so that the alignment tractor is parked. The microcomputer sends an instruction to the traction frequency conversion cabinet 19 and outputs an instruction to the cable winding controller 17 of the cable winding system, and the cable winding controller 17 controls the cable winding actuator 18 to drive the cable winding disc 16 to unwind or wind the cable, so that the winding and unwinding speed and the alignment tractor speed are synchronous and stop.
When the microcomputer receives an emergency braking instruction, the microcomputer sends an instruction to the frequency converter in the traction frequency conversion cabinet 19, the traction motor 11 is disconnected, an instruction is simultaneously output to the brake 10, and the brake 10 implements emergency braking to stop the alignment tractor.
Example 5
Based on the above embodiment 4, the electrical control system further includes a signal input module, and the signal input module is any one of a remote controller, a frame button or an electrical cabinet button. In this embodiment, it specifically states that electrical control system's signal input module is the remote controller, and any kind in frame button or the electrical apparatus cabinet button, these signal input modules have corresponding signal button, realize some functions according to controller module control counterpoint tractor, for example "distance driving" button, realize the distance function, counterpoint tractor receives the instruction after, the fixed distance of a vehicle of walking at every turn, this distance can set up according to different vehicle types, and the scope is generally between 8 ~ 26 meters. This function is achieved by: when any one of a remote controller, a frame button or an electric appliance cabinet button is pressed down, the walking distance of the alignment tractor is calculated by an on-board microcomputer through a signal of a speed sensor on a traction motor, and when the alignment tractor walks to a set distance value, the microcomputer outputs different frequency signals to a frequency converter of a traction frequency conversion cabinet 19, so that the frequency converter controls the traction motor 11 to complete speed adjustment. In this case, the running distance S is automatically controlled for the alignment tractor, and the distance control is schematically shown in fig. 7.
The contraposition tractor is started from a starting position, the microcomputer outputs an increasing frequency signal to the frequency converter of the traction frequency conversion cabinet 19, the train is accelerated to 3km/h within the distance of S1, then the microcomputer outputs a constant frequency value, the speed of the train is maintained at 3km/h, the train is accumulatively operated to S2, then the microcomputer transmits a decreasing frequency signal to the frequency converter for speed reduction control, the train is decelerated to 0.5km/h within the distance of S3, the frequency converter stops outputting, then the spring pressurizing brake is started until the speed of the train is 0km/h, and the running distance is S4.
Example 6
Based on the above embodiment 4 or 5, as shown in fig. 5, a plurality of frequency converters are arranged in the traction frequency conversion cabinet 19 for controlling a plurality of traction branches, and in each traction branch controlled in the traction frequency conversion cabinet 19, a circuit in front of the frequency converter is provided with a circuit breaker, a contactor and a reactor. In this embodiment, the principle of counterpoint tractor traction circuit has been elucidated, wherein the effect of circuit breaker is when the converter need overhaul or various reasons do not use for a long time, realizes that power and converter keep apart, protects when the fault such as short circuit takes place for the input side of converter. The contactor is used for conveniently controlling the power-on and power-off of the frequency converter through a button; when the frequency converter has a fault, the power supply can be automatically cut off. The reactor has the functions of restraining higher harmonics of input current of the frequency converter and improving power factor. The frequency converter comprises an inverter module, and the inverter module is used for converting input alternating current into three-phase power with adjustable voltage and frequency for the traction motor 11 to use and controlling the rotating speed and the torque of the traction motor 11.
Example 7
Based on the above embodiment 1 or 2, as shown in fig. 1, the carriage 3 is provided with the weight 21. In the embodiment, the frame 3 of the alignment tractor is provided with the counterweight weights 21 to increase the weight of the locomotive, and when the shaft C0 is converted into the shaft B0, the total weight on the locomotive can be changed by reducing the number of the weights. In this embodiment, the weights 21 are preferably arranged in a manner that two weights 21 are provided, which are placed on the diagonal line of the top of the frame 3.
Example 8
Based on the above embodiment 1 or 2, the frame 3 is made of a fire-resistant structure. In this embodiment, frame 3 adopts fire-resistant structure to set up for the counterpoint tractor prevents that the high temperature from producing the influence to the components and parts that set up in the frame when being arranged in iron and steel enterprise hot metal tank car, torpedo car and slag ladle car. The specific structure of the fire-resistant structure is that the fire-resistant structure is three layers, the upper layer and the lower layer are steel plates, and the middle layer is a fire-resistant layer. In this embodiment, the fire-resistant layer is made of a fire-resistant fiber board. However, the refractory is not limited to a refractory fiber board.
Example 9
Based on the above embodiment 1 or 2, as shown in fig. 1, the vehicle body ventilator 14 is provided on the vehicle frame 3; the traction frequency conversion cabinet 19 is provided with an air conditioner 15. In this embodiment, the frame 3 is further provided with two vehicle body ventilators 14, and preferably, the two vehicle body ventilators 14 are arranged on the upper portion of the side wall of the alignment tractor frame, so that hot air in the vehicle can be exhausted in time, and normal operation of equipment in the vehicle is guaranteed. Meanwhile, the air conditioner 15 is arranged on the traction frequency conversion cabinet 19 to prevent the traction frequency conversion cabinet 19 from being overheated to affect normal work. In the present embodiment, the vehicle body ventilator 14 and the air conditioner 15 are technical devices that are common to those skilled in the art, are well known to those skilled in the art, and will not be described in detail herein.
Example 10
Based on the above embodiment 2, as shown in fig. 2, the spiral steel spring 34 placed on the suspension rod is a double-layer spiral steel spring, two ends of the double-layer spiral steel spring are connected with the baffle plates, the baffle plates are fixed on the suspension rod, and the suspension rod assembly separates the double-layer spiral steel spring placed on the suspension rod. In this embodiment, adopt double-deck steel coil spring on the jib, because double-deck steel coil spring both ends are connected with the baffle, the baffle is fixed on the jib, the jib subassembly will be arranged in double-deck steel coil spring on the jib separates, and during consequently the vertical motion of jib, the flexible process of detached double-deck steel coil spring is opposite to realize running gear's vertical location and the demand of displacement.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (9)
1. A C0 shaft type alignment tractor comprises a frame and is characterized in that traction buffering devices are arranged at two ends of the frame, a brake resistor cabinet is arranged at the left part in the frame, a traction frequency conversion cabinet is arranged at the middle part in the frame, an electric appliance cabinet and a cable winding system are arranged at the right part in the frame, a walking part is arranged at the lower part of the frame and comprises a traction motor and a brake; the external power supply is electrically connected with a cable winding system, the cable winding system is respectively electrically connected with an electric appliance cabinet, a traction frequency conversion cabinet and a brake, and the traction frequency conversion cabinet is respectively electrically connected with a traction motor and a brake resistance cabinet;
the walking part comprises a plurality of groups of walking devices, each walking device comprises a plurality of suspender suspension devices arranged at the lower part of the frame, each suspension device is provided with a suspender capable of sliding vertically, each suspender is provided with a spiral steel spring which slides vertically and contracts relative to the suspender, the bottom of each suspender is provided with a ball joint, each ball joint is connected with a base, the base can swing transversely or longitudinally relative to the suspender through the ball joint, the base is provided with a traction motor and a gearbox, the suspension devices are arranged at two sides of the traction motor, one end of the traction motor is connected with the gearbox through a coupling, the coupling is connected with the gearbox, the other end of the traction motor is provided with a brake, the brake is connected with a speed sensor, the gearbox is in transmission connection with a wheel set, and shaft box bodies are arranged at two ends of the wheel set, the axle box body is provided with an axle box spring and a traction pull rod, and the axle box spring and the traction pull rod are connected with the frame.
2. The C0 shaft type alignment tractor as claimed in claim 1, wherein the cable winding system comprises a cable winding disc, a cable winding actuator and a cable winding controller, the cable winding disc is wound with a cable winding cable, the cable winding actuator comprises a motor, a hysteresis coupler and a speed reducing mechanism which are connected in sequence, the speed reducing mechanism is connected with the cable winding disc, and the cable winding controller is electrically connected with the cable winding actuator for receiving a command to control the cable winding actuator to wind or unwind the cable.
3. The C0 axle type alignment tractor as claimed in claim 1 or 2, wherein the alignment tractor comprises an electrical control system, the electrical control system comprises a microcomputer arranged in an electrical cabinet, and a built-in control module is used for controlling the traction frequency conversion cabinet, the brake and the cable winding system after receiving instructions;
the traction frequency conversion cabinet is used for supplying power to the traction motor after receiving a traction instruction so as to drive the alignment tractor to move through the traction motor; the brake resistor cabinet is used for controlling the opening of the brake resistor cabinet to decelerate the alignment tractor;
the brake is used for braking the alignment tractor to stop the alignment tractor;
and the cable winding system is used for transmitting external electric energy to the interior of the alignment tractor to be used as power and controlling the speed and direction of the cable winding to be synchronous with the alignment tractor.
4. The C0 axle alignment tractor of claim 3, wherein the electrical control system further comprises a signal input module, the signal input module is any one of a remote control, a frame button or an electrical cabinet button.
5. The C0 shaft type alignment tractor according to claim 4, wherein a plurality of frequency converters are arranged in the traction frequency conversion cabinet for controlling a plurality of traction branches, and a circuit breaker, a contactor and a reactor are arranged in a circuit in front of the frequency converter in each traction branch controlled in the traction frequency conversion cabinet.
6. The C0 axle alignment tractor as claimed in claim 1, wherein the frame is provided with weights.
7. The C0 axle alignment tractor as claimed in claim 1 or 2, wherein the frame is made of fire resistant construction.
8. The C0 axle alignment tractor as claimed in claim 1, wherein the frame is provided with a vehicle body ventilator; and the traction frequency conversion cabinet is provided with an air conditioner.
9. The C0 axle type alignment tractor as claimed in claim 1, wherein the coil steel spring on the suspension rod is a double-layer coil steel spring, the ends of the double-layer coil steel spring are connected with a baffle plate, the baffle plate is fixed on the suspension rod, and the suspension rod assembly separates the double-layer coil steel spring on the suspension rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697012.XA CN111804900B (en) | 2020-07-20 | 2020-07-20 | Shaft type counterpoint tractor of C0 |
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| CN112327863A (en) * | 2020-11-17 | 2021-02-05 | 中车资阳机车有限公司 | Auxiliary positioning control method for alignment tractor |
| CN112721886B (en) * | 2021-01-11 | 2022-03-01 | 中车唐山机车车辆有限公司 | Train braking force distribution method and device and terminal equipment |
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| CN111804900A (en) | 2020-10-23 |
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