Scrap melting plant production line basket car power supply system
By using cable connections to move between the loading and batching bays in the scrap steel smelting workshop production line, and with the power supply sliding contact line located above the track line, the problems of cable damage and interference from hoisting devices have been solved, thus achieving smooth workshop access and improved production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 河源德润钢铁有限公司
- Filing Date
- 2025-09-11
- Publication Date
- 2026-07-21
AI Technical Summary
In existing scrap steel smelting workshop production lines, the power supply cable of the basket car is easily damaged during long-distance movement, and the power supply sliding contact line crossing the material span affects the operation route of the hoisting device.
The basket car, connected by cable, moves between the loading span and the batching span. The power supply sliding contact line is only located between the rear of the loading span and the processing span. The cable length is moderate to avoid dragging damage. The power supply sliding contact line is located above the track line, so it does not affect the passage of workshop roads and does not cross the loading span, ensuring the normal operation of the hoisting device.
This effectively reduces the risk of cable damage, ensures unobstructed workshop roads, and does not affect the normal operation of hoisting equipment, thereby improving the operating efficiency and safety of the production line.
Smart Images
Figure CN224529773U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of scrap steel smelting technology, and in particular to a power supply system for a material basket car in a scrap steel smelting workshop production line. Background Technology
[0002] Steelmaking refers to the process of melting raw materials such as pig iron, sponge iron, or scrap steel in a smelting furnace according to a specific process to obtain steel. The smelted steel usually needs to be processed into corresponding steel products, and this process generates excess scrap steel. Some factories specifically recycle scrap steel as raw material for steelmaking; their steelmaking workshop production line is called a scrap steel smelting workshop production line. A scrap steel smelting workshop production line typically includes sequentially adjacent electric furnace bays, charging bays, multiple batching bays, multiple storage bays, and processing bays. It also includes multiple tracks running across the charging bays, batching bays, storage bays, and processing bays, with two basket cars arranged in a row on each track. Initially, each basket car is located at the charging bay. Each basket car moves from the charging bay to the processing bay, storage bay, or batching bay to pick up scrap steel, then returns to the charging bay. A hoisting device lifts the basket from the basket car to the electric furnace bay, where the scrap steel is fed into the electric furnace for melting. The empty basket is then returned to the raw material basket car. In the existing scrap steel smelting production line, the basket carts are powered by cables. Because the basket carts need to move back and forth between the loading, batching, storage, and processing bays, the entire travel distance is long, requiring long cables. Furthermore, the cables are dragged during movement, which can easily damage them. Additionally, the cables may be pulled across the workshop aisles, obstructing vehicle traffic. A proposed solution is to use a power supply sliding contact line. This involves a parallel power supply sliding contact line installed above the entire track. During the basket cart's movement, power is drawn from this line via a current collector. This avoids cable dragging damage. However, the power supply sliding contact line crossing the loading bay would affect the operating route of the hoisting equipment. Summary of the Invention
[0003] The purpose of this utility model is to provide a power supply system for the material basket car in the scrap steel smelting workshop production line, which can reduce the impact on vehicle traffic in the workshop and will not affect the running route of the hoisting device above the loading bay.
[0004] To achieve the above objectives, this utility model provides a power supply system for basket cars in a scrap steel smelting workshop production line, comprising an electric furnace span, a loading span, a batching span, a storage span, and a processing span arranged sequentially. It includes at least one track line running horizontally through the loading span, batching span, storage span, and processing span. Each track line has at least two basket cars arranged sequentially. The basket car at the front of each track line is connected to a power source via a cable and moves only between the loading span and the batching span. The power supply system includes a power supply sliding contact line arranged along the track line, extending from the processing span forward to the connection point between the batching span and the loading span. The basket car at the rear of each track line draws power from the power supply sliding contact line via a current collector and moves between the rear of the loading span and the processing span.
[0005] Furthermore, each basket car includes a walking unit and a control unit that controls the walking unit, and the walking unit is equipped with an incremental encoder that connects to the controller.
[0006] Furthermore, each basket car is equipped with a limit switch connected to the control unit. Each track line has a limit plate at the starting position of each corresponding basket car that cooperates with the limit switch of that basket car. When the basket car receives scrap steel and returns to the starting position, its limit switch collides with the corresponding limit plate and triggers a zeroing signal. When the basket car control unit receives the zeroing signal from the limit switch, it causes the incremental encoder to count to zero.
[0007] Furthermore, the leading basket cart is specifically connected to the power supply via a cable reel.
[0008] Furthermore, the stack spans three adjacent units and / or the ingredients span three adjacent units.
[0009] Furthermore, the system includes a hoisting device, an inclined bridge transport track, and an inclined bridge trolley mounted on the inclined bridge transport track. The electric furnace span is equipped with a quantum electric furnace. The lower end of the inclined bridge transport track is located on the ground, and the upper end is located above the preheating charging port of the quantum electric furnace in the electric furnace span. In the initial state, the inclined bridge trolley is located at the lower end of the inclined bridge transport track. The hoisting device hoists the basket of scrap steel already loaded on the basket car to the upper part of the inclined bridge trolley and puts the scrap steel in the basket into the inclined bridge trolley. The inclined bridge trolley rises along the inclined bridge transport track to the upper part of the preheating charging port of the quantum electric furnace and puts the scrap steel in the basket into the quantum electric furnace for smelting.
[0010] Furthermore, there are four track lines, arranged side by side on the left and right.
[0011] In the aforementioned power supply system for the basket cars in the scrap steel smelting workshop production line, the basket cars at the front only move between the loading span and the batching span, and are powered by cables. The cable length only needs to be sufficient for the basket cars to move between the loading span and the batching span, and does not need to be very long. Moreover, the cables only block the area between the loading span and the batching span and do not affect the passage between other spans in the workshop. The basket cars at the rear move between the rear of the loading span and the processing span, and are powered by a sliding contact line. The sliding contact line is located above the track line and does not affect the passage between the workshop roads. Furthermore, the sliding contact line only extends forward to the connection between the loading span and the batching span, and does not cross over the loading span, so it does not affect the running route of the hoisting device above the loading span. Attached Figure Description
[0012] Figure 1 This is a layout diagram of the power supply system for the material basket carts on the production line of the scrap steel smelting workshop. Detailed Implementation
[0013] The present invention will be further described in detail below with reference to specific embodiments.
[0014] Example 1
[0015] like Figure 1 As shown, the power supply system for the scrap steel smelting workshop production line basket cars includes four tracks 10 that run horizontally across the electric furnace span, the charging span, the batching span (1), the batching span (2), the batching span (3), the storage span (1), the storage span (2), the storage span (3), and the processing span). These tracks 10 are arranged side-by-side. Each track 10 has two basket cars 11 arranged in a staggered pattern. The basket car 11 at the front of each track 10 is connected to the power supply via a cable reel (not shown) and moves only between the charging span and the batching span. The power supply system includes a power supply sliding contact line 12 running along the track 10, extending from the processing span to the connection between the batching and charging spans. The basket car 11 at the rear of each track 10 draws power from the power supply sliding contact line 12 via a current collector and can move between the rear of the charging span and the processing span.
[0016] In this embodiment, each of the batching spans 1, 2, and 3, the storage spans 1, 2, and 3, and the processing span has four receiving stations distributed from left to right. These four receiving stations correspond to four track lines 10. The leading basket cars on the four track lines 10 are designated as basket car 1, basket car 2, basket car 3, and basket car 4 from left to right, and the trailing basket cars are designated as basket car 5, basket car 6, basket car 7, and basket car 8 from left to right. After the scrap steel smelting workshop production line starts working, the operator manually controls each basket car to move from its starting position at the loading span to the corresponding receiving station to receive scrap steel, and then returns to the starting position of the loading span. The power supply system includes a hoisting device (not shown in the figure), an inclined bridge transport track (not shown in the figure), and an inclined bridge trolley (not shown in the figure) mounted on the inclined bridge transport track. The electric furnace span is equipped with a quantum electric furnace. The lower end of the inclined bridge transport track is located on the ground, and the upper end is located above the preheating charging port of the quantum electric furnace in the electric furnace span. In the initial state, the inclined bridge trolley is located at the lower end of the inclined bridge transport track. The hoisting device hoists the basket of scrap steel already loaded on the basket car to the upper end of the inclined bridge trolley and puts the scrap steel in the basket into the inclined bridge trolley. The inclined bridge trolley rises along the inclined bridge transport track to the upper end of the preheating charging port of the quantum electric furnace and puts the scrap steel in the basket into the quantum electric furnace for smelting. For example, basket car 11 moves along its track line 10 to the receiving station of the batching span to receive scrap steel and then returns to the starting position of the loading span. The hoisting device then hoists the basket on basket car 11 to the upper end of the inclined bridge trolley and puts the scrap steel in the basket into the inclined bridge trolley. Then the empty basket is put back on basket car 11, and basket car 1 continues to move to the receiving station of the batching span to receive scrap steel. The inclined bridge trolley rises along the inclined bridge transport track to above the preheating charging port of the quantum electric furnace, and feeds the scrap steel from the basket into the furnace for smelting. Basket car 11 (No. 2) moves along its track 10 to the receiving station of the second batching span to receive scrap steel, then returns to the starting position of the loading span. The hoisting device then lifts the basket from basket car 11 to above the inclined bridge trolley and feeds the scrap steel into it. The empty basket is then returned to basket car 11, which continues to move to the receiving station of the second batching span for receiving. The inclined bridge trolley rises along the inclined bridge transport track to above the preheating charging port of the quantum electric furnace, and feeds the scrap steel from the basket into the furnace for smelting. The No. 3 basket car 11 moves along its track 10 to the receiving station of the third batching span to receive scrap steel, then returns to the starting position of the loading span. The hoisting device then lifts the basket on the No. 3 basket car 11 to above the inclined bridge trolley and feeds the scrap steel from the basket into the inclined bridge trolley. The empty basket is then placed back on the No. 3 basket car 11, which continues to move to the receiving station of the third batching span to receive scrap steel. The inclined bridge trolley rises along the inclined bridge transport track to above the preheating charging port of the quantum electric furnace, feeding the scrap steel from the basket into the quantum electric furnace for melting.Basket car 11 (No. 4) moves along its track 10 to the receiving station of the first batching span to receive scrap steel, then returns to the starting position of the loading span. The hoisting device then lifts the basket from basket 11 to above the inclined bridge trolley and feeds the scrap steel from the basket into the inclined bridge trolley. The empty basket is then returned to basket car 11, which continues to move to the receiving station of the first batching span to receive scrap steel. The inclined bridge trolley rises along the inclined bridge transport track to above the preheating charging port of the quantum electric furnace and feeds the scrap steel from the basket into the quantum electric furnace for melting. Basket car 1 can move to the receiving station of any one of the first, second, or third batching spans to receive scrap steel; basket cars 2, 3, and 4 operate similarly. The No. 5, No. 6, No. 7, and No. 8 material basket cars can move to any of the receiving stations in the batching span 1, batching span 2, batching span 3, storage span 1, storage span 2, storage span 3, and processing span to receive scrap steel.
[0017] In the power supply system of the basket car in the scrap steel smelting workshop production line, the basket car 11 at the front only moves between the loading span and the batching span, and uses a cable to draw power. The cable length only needs to be sufficient for the basket car to move between the loading span and the batching span, and does not need to be very long. Moreover, the cable will only block the passage between the loading span and the batching span, and will not affect the passage between other spans in the workshop. The basket car 11 at the rear moves between the rear of the loading span and the processing span, and uses a power supply sliding contact line 12 to draw power. The power supply sliding contact line 12 is located above the track line 10, and does not affect the passage of the workshop road. Moreover, the power supply sliding contact line 12 only extends forward to the connection between the loading span and the batching span, and does not cross over the loading span, so it does not affect the running route of the hoisting device above the loading span.
[0018] The baskets placed in the aforementioned basket cars 11 (numbers 1-8) are square baskets, referred to as square basket cars. Before the first smelting, the quantum electric furnace needs to be filled with scrap steel from the top. The furnace then begins smelting, melting all the scrap steel into molten steel to form a pool. In subsequent smelting processes, scrap steel is added to the furnace through the preheatable charging port. Since the top opening of the quantum electric furnace is circular, a circular basket is required to add the scrap steel from the top opening. Therefore, in this embodiment, for example... Figure 1As shown, the power supply system further includes a circular basket car 13, which holds circular baskets. The circular basket car 13 is also connected to the power supply via a cable reel. Each track line 10 includes a left track and a right track, and the two track lines 10 are arranged together as a group. The two middle tracks in one group of track lines 10 also serve as circular basket car track lines 14. These two tracks extend forward to the electric furnace span, and the circular basket car 13 is located on the circular basket car track line 14. After receiving scrap steel from the first, second, or third batching span, the circular basket car 13 moves to the electric furnace span. The hoisting device hoists the circular basket to the top opening of the quantum electric furnace and adds the scrap steel from the circular basket into the quantum electric furnace through the top opening.
[0019] Example 2 is largely the same as Example 1, except for the specific structure of the basket cart 11. The following description only details the differences in this example; for the same content, please refer to Example 1 above, which will not be repeated here. In this example, the basket cart 11 includes a traveling unit and a control unit connected to the traveling unit. The traveling unit is equipped with an incremental encoder connected to the controller. The basket cart is equipped with a limit switch connected to the control unit. Each track line has a limit plate at the starting position of each corresponding basket cart that cooperates with the limit switch of that basket cart. For example, on the first track, the two basket cars are number 1 and 5. The first track has a limit plate at the starting position of basket car 1 that cooperates with the limit switch of basket car 1, and a limit plate at the starting position of basket car 5 that cooperates with the limit switch of basket car 5. On the second track, the two basket cars are number 2 and 6. The first track has a limit plate at the starting position of basket car 2 that cooperates with the limit switch of basket car 2, and a limit plate at the starting position of basket car 6 that cooperates with the limit switch of basket car 6, and so on. In this embodiment, the control unit of each basket car 11 pre-stores the distance that basket car 11 will travel from its starting position to the receiving station of each span. To add scrap steel to the electric furnace, the operator inputs a receiving command to the basket car 11. The control unit of the basket car 11 determines the target distance the basket car 11 needs to move based on the target receiving station information in the receiving command. Then, it controls the walking unit to drive the basket car 11. During this process, the control unit receives real-time counting data from the incremental encoder, determines the current distance the basket car has moved based on this data, and compares the current distance with the target distance to determine if the basket car 11 has reached the receiving station specified in the receiving command. If the current distance equals the target distance, the walking unit stops, and the basket car 11 stops at the corresponding receiving station to begin receiving scrap steel. After receiving the scrap steel, the basket car 11 returns to its starting position. Since the track has a corresponding limit plate at the starting position of the basket car 11, once the basket car 11 returns to the starting position, its limit switch will collide with the corresponding limit plate, triggering a zeroing signal. The control unit of the basket car 11 receives the zeroing signal from the limit switch and resets the incremental encoder count to zero. After the basket car 11 returns to its starting position, the hoisting device lifts the basket on the basket car 11 to the top of the electric furnace in the electric furnace bay, and puts the scrap steel in the basket into the electric furnace for smelting. In this embodiment, the basket car 11 is equipped with an incremental encoder and a limit switch. Based on the structure of this basket car 11, the software engineer programs the software so that the control unit of the basket car 11 can automatically determine the moving distance of the basket car 11 using the incremental encoder, so that the basket car 11 can automatically move to the target receiving station to receive scrap steel, and then automatically return to the starting position without the need for manual operation by the operator.
[0020] The above description is merely an embodiment of the present invention and does not limit the scope of patent protection. Any non-substantial changes or substitutions made by those skilled in the art based on the present invention will still fall within the scope of patent protection.
Claims
1. A scrap melting plant production line basket car power supply system, comprising electric furnace spans, charging spans, blending spans, stockpiling spans and processing spans arranged in sequence and adjacent to each other, comprising at least one track line (10) crossing the charging spans, the blending spans, the stockpiling spans and the processing spans, at least two basket cars (11) arranged in front and back on each track line (10), characterized in that, The leading basket car on each track is connected to the power supply via a cable and moves only between the loading span and the batching span. The power supply system includes a power supply sliding contact line (12) arranged along the track, which extends forward from the processing span to the connection between the batching span and the loading span. The trailing basket car on each track draws power from the power supply sliding contact line via a current collector and moves between the rear of the loading span and the processing span.
2. Scrap melting plant production line basket car power supply system according to claim 1, characterized in that, Each basket car includes a walking unit and a control unit that controls the walking unit. The walking unit is equipped with an incremental encoder that connects to the controller.
3. Scrap melting plant production line basket car power supply system according to claim 2, characterized in that, Each basket car is equipped with a limit switch connected to the control unit. Each track line has a limit plate at the starting position of each basket car that cooperates with the limit switch of that basket car. When the basket car receives scrap steel and returns to the starting position, its limit switch will collide with the corresponding limit plate and trigger a zeroing signal. When the basket car control unit receives the zeroing signal from the limit switch, it will reset the incremental encoder count to zero.
4. The scrap melting plant production line basket car power supply system of claim 1, wherein, The leading basket cart is specifically connected to the power supply via a cable reel.
5. The scrap melting plant production line basket car power supply system of claim 1, wherein, The stack spans three adjacent sections and / or the ingredients span three adjacent sections.
6. The scrap melting plant production line basket car power supply system of claim 1, wherein, The system includes a hoisting device, an inclined bridge transport track, and an inclined bridge trolley mounted on the inclined bridge transport track. The electric furnace span is equipped with a quantum electric furnace. The lower end of the inclined bridge transport track is located on the ground, and the upper end is located above the preheating charging port of the quantum electric furnace in the electric furnace span. In the initial state, the inclined bridge trolley is located at the lower end of the inclined bridge transport track. The hoisting device hoists the basket of scrap steel already loaded on the basket car to the upper part of the inclined bridge trolley and puts the scrap steel in the basket into the inclined bridge trolley. The inclined bridge trolley rises along the inclined bridge transport track to the upper part of the preheating charging port of the quantum electric furnace and puts the scrap steel in the basket into the quantum electric furnace for smelting.
7. The scrap melting plant production line basket car power supply system of claim 1, wherein, There are four tracks, arranged side by side on the left and right.