CN213502274U - Electric power traction system for blast furnace tapping - Google Patents

Abstract

The utility model provides a blast furnace is power traction system for tapping, including traction locomotive and control system, traction locomotive includes lower part automobile body, upper portion automobile body, supporting component, actuating mechanism, coupling and measuring wheel device, actuating mechanism includes driving motor, the measuring wheel device include along locomotive orbit pivoted wheel body and with wheel body coupling's position finding encoder, control system includes photoelectric switch, the alarm, controller and display, photoelectric switch, the alarm, driving motor, position finding encoder and display are connected with the controller electricity respectively, whether photoelectric switch who is used for responding to coupling colludes the tongue and opens installs the below at the coupling, the alarm is installed on the locomotive, the display is used for showing controller received information. The utility model provides the high security and the intelligence of locomotive, the system is applicable to the demand of transporting the molten iron along the trapped orbit between ironmaking system and steel-making system.

Description

Electric power traction system for blast furnace tapping

Technical Field

The utility model relates to the field of steel, in particular to an electric traction system for blast furnace tapping.

Background

In the steel smelting industry, many steel plants firstly make iron and then make steel by using the obtained high-temperature molten iron as a raw material, and a common iron making system and a steel making system are separated by a certain distance and need to transport the molten iron. The blast furnace tapping is a continuous process with long time, after the tapping of one molten iron tank is finished, the locomotive needs to move the molten iron tank once, and then the next molten iron tank needs to be dragged for ten to fifteen minutes, and the process needs the locomotive to be started for waiting so as to quickly respond to an emergency. Therefore, if the internal combustion engine is used, a large amount of energy is consumed during the startup waiting process. And a shunting winch traction system is adopted in part of steel plants. The traction system consists of a fixed winch retracting device, a steel cable, a shunting winch, a carrier roller, a guide wheel and the like, but most winch systems have poor equipment reliability, bearing capacity and automatic intelligence.

SUMMERY OF THE UTILITY MODEL

The above-mentioned problem to prior art exists, the utility model provides a blast furnace is cast iron and is used electric traction system starts the control such as to the locomotive at the operation panel, can acquire information such as the functioning speed and the coupling state of locomotive simultaneously, and subsequent couple of being convenient for etc. operation shows alarm information when the locomotive moves, reminds the staff to notice dodges, has improved the security and the intellectuality of locomotive, the system is applicable to the demand of transporting the molten iron along the trapped orbit between iron-making system and steelmaking system.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

the utility model provides a blast furnace is power traction system for tapping, including traction locomotive and control system, traction locomotive includes lower part automobile body, upper portion automobile body, supporting component, actuating mechanism, coupling and measuring wheel device, actuating mechanism includes driving motor, measuring wheel device includes along locomotive orbit pivoted wheel body and the position finding encoder of being connected with the wheel body, control system includes photoelectric switch, the alarm, a controller and a display, photoelectric switch, the alarm, driving motor, position finding encoder and display are connected with the controller electricity respectively, a photoelectric switch for whether the colluding tongue of response coupling is opened is installed in the below of coupling, the alarm is installed on the locomotive, the display is used for showing the information that the controller received.

As a further improvement of the above technical solution:

and information on whether the coupler is opened, the running speed of the locomotive and whether the driving motor is started is displayed on the display.

The display is mounted on or remote from the operator station of the locomotive.

Buttons for controlling the start and stop of the drive motor are provided on an operator's station remote from the locomotive.

After the driving motor is started, the locomotive starts to run, wheel bodies of the measuring wheel devices synchronously run along the track, the position finding encoder receives rotating speed information of the wheel bodies and sends the received information to the controller, and the controller converts the rotating speed information of the wheel bodies into the running speed of the locomotive and displays the running speed on the display.

After the driving motor is started, the controller sends an instruction to an alarm on the locomotive, and the alarm gives out audible and visual alarm.

The car coupler is provided with two sets of photoelectric switches, the two sets of car couplers are respectively positioned at two ends of the running direction of the lower car body, and the two sets of photoelectric switches are respectively positioned below the two sets of car couplers.

The lower vehicle body and the upper vehicle body are connected through a support assembly.

The utility model has the advantages that: the locomotive is controlled by the operating platform, information such as the running speed and the car coupler state of the locomotive can be acquired, subsequent operations such as hooking are facilitated, alarm information is displayed when the locomotive runs, workers are reminded of avoiding, the safety and the intelligence of the locomotive are improved, and the system is suitable for the requirement of transferring molten iron between an iron making system and a steel making system along a fixed track.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic view of another perspective structure according to an embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

An electric traction system for blast furnace tapping, as shown in fig. 1 and 2, comprises a traction vehicle and a control system, wherein the traction vehicle comprises a lower vehicle body 1, an upper vehicle body 2, a supporting assembly, a driving mechanism, a coupler 5 and a measuring wheel device 6.

The lower vehicle body 1 comprises two carrying running frames, the carrying running frames comprise two sets of wheel pairs 11 and a bogie 12 arranged on the two sets of wheel pairs 11, and the installation mode of the bogie 12 on the wheel pairs 11 is the same as that of the vehicle body arranged on a chassis in the prior art, and the detailed description is omitted. The wheel-set 11 comprises two wheels and an axle connecting the two wheels, i.e. four wheels per carrier. Preferably, the driving wheel is one of the wheel pairs 11 carrying the carrier, and the other wheel pair 11 carrying the carrier is a driven driving wheel.

The bogie 12 includes a frame body 121, sets of load beams 123 and sets of wheel set buffer springs 122. The number of the load-bearing beams 123 is the same as the number of the wheels, that is, each load-bearing carrier has four load-bearing beams 123, and the four load-bearing beams 123 are respectively located on the four wheels. The load-bearing beam 123 is connected with the frame body 121 through the plurality of wheel pair buffer spring sets 122, specifically, each load-bearing beam 123 is connected with the frame body 121 through the four wheel pair buffer spring sets 122, the four wheel pair buffer spring sets 122 are located in the same plane, when the locomotive runs in a straight line, the plane where the four wheel pair buffer spring sets 122 are located is parallel to or coincident with the plane where the wheels are located, and two buffer spring sets 122 are respectively arranged on one side of the wheel shaft.

The wheel set buffer spring assembly 122 includes a bolt, a first spring, a second spring, an upper nut, and a lower nut. One end of the bolt upwards penetrates through the connecting plate of the frame body 121 and then is connected with the upper nut, and the other end of the bolt downwards penetrates through the bearing beam 123 and then is connected with the lower nut. The bolts of the four wheel pair damping spring assemblies 122 are arranged in parallel and spaced apart. The first spring and the second spring are sleeved outside the bolt 122, the first spring is located between the upper nut and the bearing beam 123, and specifically, the first spring is located between the connecting plate of the frame body 121 and the bearing beam 123. The second spring is located between the lower nut and the load beam 123. The diameter of the spring wire of the first spring is larger than that of the spring wire of the second spring.

The load beam 123 includes a planar top plate, a planar first bottom plate, and two curved second bottom plates. One second bottom plate, the first bottom plate and the other second bottom plate are sequentially connected to form a bottom plate of the bearing beam 123, the top plate is located above the bottom plate, and the top plate is connected with the bottom plate through a flat plate. Two second bottom plates are arranged symmetrically relative to the first bottom plate, and the second bottom plate is concave towards the direction of roof, and is concrete, and the one end of second bottom plate is connected first bottom plate, and the other end upwards hangs to the direction slope of keeping away from first bottom plate and stretches and connect the flat board.

The lower ends of the bolts of the wheel set buffer spring set 122 sequentially penetrate through the top plate and the second bottom plate, so that the wheel set buffer spring set 122 does not affect wheels, and meanwhile, the interference of the wheel set buffer spring set 122 is avoided due to the curved surface design of the second bottom plate. The wheel set buffer spring set 122 and the bearing beam 123 are designed to realize the buffer and shock absorption effects while ensuring the supporting effect of the bearing beam 123, so that the lower vehicle body 1 is more stable.

The upper vehicle body 2 includes a front weight chamber 21, an electric control chamber 22, and a rear weight chamber 23 connected in this order. The electric control room 22 includes different functional room areas such as a main control cabinet, a driving cabinet, a winding mechanism cabinet and a hydraulic station cabinet.

The supporting components are provided with two groups and are used for connecting the upper vehicle body 2 and two carrying carriers, and each carrying carrier is connected with the upper vehicle body 2 through a group of supporting components.

The support assembly comprises a center bearing 31 and four side bearings 32, wherein the four side bearings 32 are respectively positioned at two sides of the center bearing 31, and further, the four side bearings 32 are positioned at four vertexes of a rectangle, and the center bearing 31 is positioned at the center of the rectangle. The center bearing 31 includes a hemispherical hemisphere and a hemispherical hole fitted to the hemisphere. The hemisphere is located at the top of the frame body 121, and the hemisphere hole is opened at the bottom of the upper vehicle body 2, in other words, the hemisphere is a hemispherical protrusion protruding out of the top of the frame body 121, and the hemisphere hole is a hemispherical groove. During installation, the hemispheroids are positioned in the hemispherical holes, so that the upper vehicle body 2 can rotate relative to the lower vehicle body 1, the small change of the running direction is adapted, and the upper vehicle body 2 is more stable during running.

The side bearing 32 comprises a side bearing spring having both ends connected to the bottom of the upper vehicle body 2 and the top of the bogie 12, respectively.

Based on the structure, the locomotive is a four-shaft driving locomotive.

The driving mechanism comprises a driving motor, a gearbox 41, a brake and a clutch, and the components of the driving mechanism can adopt the structure in the prior art. The gearbox 41 is located at the bottom of the bogie 12.

The car couplers 5 are arranged in two groups and are respectively positioned at two ends of the running direction of the lower car body 1, and specifically, the two groups of car couplers 5 are respectively arranged on two carrying carriers.

The measuring wheel device 6 is mounted at the bottom end of a carrying frame, specifically, the frame body 121. Preferably, the measuring wheel device 6 is mounted at the bottom end of the carrying frame where the active driving wheel is located. The carrier with the driving wheels thereon operates more stably than the other carrier, and the wheel set 11 of the other carrier may slip, i.e. the driven wheels may slip. Therefore, the measuring wheel device 6 is arranged at the bottom end of the bearing running frame where the driving wheel is arranged, so that the measuring wheel device 6 is more stable, and the speed measurement is more effectively and accurately carried out.

The measuring wheel device 6 comprises a connecting plate, a hinged plate, a mounting shaft, a supporting shaft, a limiting plate, a pressing spring, a wheel body and a position measuring encoder. The upper end of connecting plate link body 121, the lower extreme and the articulated slab of connecting plate hinge, specifically, the connecting plate realizes hinge through the articulated shaft with the articulated slab.

The articulated slab middle part is equipped with the limiting plate, and limiting plate one end fixed connection articulated slab's middle part, other end overhang, limiting plate and articulated slab out of plumb, one side of limiting plate and the contained angle of articulated slab be the obtuse angle promptly, the contained angle of opposite side and articulated slab, acute angle and obtuse angle sum are 180. The limiting plate is provided with a through hole.

One end of the supporting shaft and the bottom of the connecting plate are fixedly connected, the other end of the supporting shaft penetrates through the through hole in the limiting plate and then is connected with a limiting block, the outer diameter of the limiting block is larger than the outer diameter of the supporting shaft, and the supporting shaft is prevented from slipping out of the through hole. Specifically, one end of the supporting shaft connected with the connecting plate is located on one side of the obtuse angle, and the other end of the supporting shaft is located on one side of the acute angle.

The pressing spring is sleeved outside the supporting shaft and located between the connecting plate and the limiting plate, and one end of the pressing spring is fixedly connected with the bottom of the connecting plate, and the other end of the pressing spring is fixedly connected with the limiting plate.

The one end and the connecting plate of articulated slab are articulated, the installation axle is connected to the other end, installs the wheel body and position finding encoder respectively at the both ends of installation axle, and the wheel body is rotationally installed on the installation axle, and position finding encoder and wheel body are connected and can be detected the rotational speed of wheel body.

Based on the structure, when the locomotive running guide rail pressing wheel is used, the wheel body is in contact with the running guide rail of the locomotive, and due to the elastic force of the pressing spring, the wheel body can be in pressed contact with the running guide rail, so that the wheel body rotates along the running guide rail along with the locomotive.

The control system comprises two photoelectric switches, an alarm, a controller and a display, wherein the photoelectric switches, the alarm, the driving motor, the brake, the position finding encoder and the display are respectively and electrically connected with the controller.

The two photoelectric switches are respectively arranged below the two car couplers 5 and used for sensing whether the coupler tongues of the car couplers 5 are opened or not, sending the sensed opening state information of the car couplers 5 to the controller and displaying the information on the display.

The alarm is arranged at a position on the locomotive where workers can obviously see the alarm, and the alarm is an audible and visual alarm. The alarm sends out sound and light information of alarm after receiving the instruction of the controller.

The display is used for displaying information such as whether the coupler 5 is opened, the running speed of the locomotive, whether the driving motor is started and the like. The display may be mounted in the control room 22 or remote from the operator's station of the locomotive, etc. The display can also be provided with a touch screen button for controlling the driving motor to start and stop, when the touch screen button is triggered, the controller receives touch screen information and then sends an instruction to the driving motor, and the driving motor starts or stops after receiving the instruction.

The buttons controlling the start or stop of the drive motor may also be provided as mechanical buttons mounted on the console or elsewhere. When the stop button is pressed, the driving motor stops rotating, and the brake brakes the locomotive.

Furthermore, two buttons for controlling the starting of the motor are arranged and are respectively used for controlling the driving motor to rotate forwards and backwards so as to control the forward and reverse running of the locomotive.

The control system shown is also provided with a gear adjuster for gear adjustment, i.e. shifting gears, of the gearbox 41 to achieve adjustment of different operating speeds of the locomotive.

The position encoder of the measuring wheel device 6 transmits the wheel body rotation speed information detected by the position encoder to the controller.

When the locomotive needs to be started to operate, if the locomotive is filled with molten iron and needs to be transported, the controller controls the driving motor to start, the locomotive starts to operate, meanwhile, the wheel body of the measuring wheel device 6 synchronously operates along the track, the position measuring encoder receives the rotating speed information of the wheel body and sends the received information to the controller, and the controller converts the rotating speed information of the wheel body into the operating speed of the locomotive and displays the operating speed on the display. When the locomotive starts to run, namely the driving motor is started, the controller sends an instruction to an alarm on the locomotive, and the alarm gives out audible and visual alarm to remind workers of avoiding.

Finally, it must be said here that: the above embodiments are only used for further detailed description of the technical solutions of the present invention, and should not be understood as limiting the scope of the present invention, and the modifications and adjustments made by those skilled in the art according to the above-mentioned contents of the present invention are all included in the scope of the present invention.

Claims (8)

1. The utility model provides an electric traction system is used in blast furnace tapping which characterized in that: the device comprises a traction locomotive and a control system, wherein the traction locomotive comprises a lower part locomotive body (1), an upper part locomotive body (2), a supporting assembly, a driving mechanism, a coupler (5) and a measuring wheel device (6), the driving mechanism comprises a driving motor, the measuring wheel device (6) comprises a wheel body rotating along a locomotive running track and a position measuring encoder connected with the wheel body, the control system comprises a photoelectric switch, an alarm, a controller and a display, the photoelectric switch, the alarm, the driving motor, the position measuring encoder and the display are respectively electrically connected with the controller, the photoelectric switch used for sensing whether a hook tongue of the coupler (5) is opened is arranged below the coupler (5), the alarm is arranged on the locomotive, and the display is used for displaying information received by the controller.

2. The traction system of claim 1, wherein: the information of whether the coupler (5) is opened, the running speed of the locomotive and whether the driving motor is started is displayed on the display.

3. The traction system of claim 2, wherein: the display is mounted on or remote from the operator station of the locomotive.

4. The traction system of claim 1, wherein: buttons for controlling the start and stop of the drive motor are provided on an operator's station remote from the locomotive.

5. The traction system of claim 4, wherein: after the driving motor is started, the locomotive starts to run, meanwhile, the wheel body of the measuring wheel device (6) synchronously runs along the track, the position finding encoder receives the rotating speed information of the wheel body and sends the received information to the controller, and the controller converts the rotating speed information of the wheel body into the running speed of the locomotive and displays the running speed on the display.

6. The traction system of claim 5, wherein: after the driving motor is started, the controller sends an instruction to an alarm on the locomotive, and the alarm gives out audible and visual alarm.

7. The traction system of claim 1, wherein: the two sets of car couplers (5) are provided, the two sets of photoelectric switches are provided, the two sets of car couplers (5) are respectively positioned at two ends of the running direction of the lower car body (1), and the two sets of photoelectric switches are respectively positioned below the two sets of car couplers (5).

8. The traction system of claim 1, wherein: the lower vehicle body (1) and the upper vehicle body (2) are connected through a support component.

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