A busbar power supply device for the outer barrel of a circular stacker-reclaimer

Abstract

The present invention discloses a busbar power supply device for the outer barrel of a circular stacker and reclaimer, comprising a central barrel, a rotating platform provided on the outer side of the central barrel, an annular cavity provided between the central barrel and the rotating platform, at least one busbar wiring device fixedly connected to the central barrel, the busbar wiring device provided in the annular cavity, a power source connected to the busbar wiring device via a wire, and the busbar wiring device electrically connected to a distribution cabinet of the stacker and reclaimer via a conductive wire. Advantages of the present invention: the present device changes the existing connection and power supply mode of cables of circular stackers and reclaimers, transfers the wiring from the inside of the central barrel to the outside, realizes the routing of cables through a lead device and a busbar wiring device, and is directly provided on the outer side of the central barrel, and all cables are fixed without being suspended, which can significantly reduce the labor intensity of workers and improve the operation rate of equipment.

Description

Technical Field

[0001] The invention relates to stacking and reclaiming equipment, in particular to a busbar power supply device for the outer barrel of a circular stacking and reclaiming machine. Background Art

[0002] The circular stacker-reclaimer consists of three parts: a stacker, a reclaimer and a central cylinder. During the reclaiming and stacking operations, it has two distinct levels of stacking rotation mechanisms and reclaiming rotation mechanisms, so that the stacker and reclaimer form two sets of non-interfering and relatively independent operating systems, realizing simultaneous stacking and reclaiming operations.

[0003] The circular stacker-reclaimer is one of the most critical large-scale equipment in cement plants. It can complete the stacking and mixing and reclaiming of limestone simultaneously or separately, and plays a vital role in pre-homogenization of limestone, stabilizing kiln conditions, and ensuring the quality of clinker. With the improvement of environmental protection requirements, some power plants have begun to use circular closed coal yards to store coal in recent years, and circular stackers are used for stacking and reclaiming in circular coal yards.

[0004] At present, the power supply mode of the circular stacker-reclaimer is that the external power supply is connected from the lower part of the center tube, and a slip ring is arranged in the center tube. The power supply is led out to the stacker cavity at the upper part of the center tube through the carbon brush and cable on the slip ring. After being led out from the stacker, the cable is connected to the cable bridge of the rotating platform of the reclaimer through the suspension device, and then connected to the distribution cabinet of the distribution room of the stacker-reclaimer connected to the rotating platform. The main disadvantages are:

[0005] 1. During use, the weight of the suspended cable and the constant swing caused by the rotation of the stacker during operation will cause the cable to be pulled and broken after a period of use;

[0006] 2. Since the slip ring is installed in the cylinder, it is difficult to dissipate heat and failure cannot be discovered in time. In addition, the narrow space in the center cylinder is not convenient for inspection and maintenance.

[0007] 3. The incoming power cable is connected to one side of the slip ring in the cylinder, which cannot fully utilize the load capacity of the slip ring and shortens the service life of the slip ring;

[0008] 4. The stacker drives the slip ring inside the barrel to rotate 90 degrees per minute, and the equipment wear rate is high. Summary of the invention

[0009] The purpose of the present invention is to solve the shortcomings in the prior art and to propose a busbar power supply device for the outer barrel of a circular stacker-reclaimer.

[0010] In order to achieve the above object, the present invention adopts the following technical solutions:

[0011] A busbar power supply device for the outer barrel of a circular stacker and reclaimer, comprising a central barrel, a rotating platform is arranged outside the central barrel, and an annular cavity is arranged between the central barrel and the rotating platform, characterized in that at least one busbar wiring device is fixedly connected to the central barrel, the busbar wiring device is arranged in the annular cavity, a power source is connected to the busbar wiring device through a wire, and the busbar wiring device is electrically connected to a distribution cabinet of the stacker and reclaimer through a conductive wire;

[0012] The sliding contact wiring device comprises a fixing frame, the fixing frame is connected to a wiring seat, the wiring seat is connected to a conducting wire, the fixing frame is connected to a lead device, and the lead device is connected to the conducting wire.

[0013] Preferably, the fixing frame comprises a group of fixing plates connected to the central tube, a group of annular wiring boards are connected to all the fixing plates, and an annular conductive plate is cooperatively connected inside each annular wiring board.

[0014] Preferably, a circular ring groove is provided on the lower side of each circular ring wiring board, and the circular ring conductive plate is connected in the circular ring groove.

[0015] Preferably, the lead device includes a connecting seat connected and fixed on the bracket, a rotating shaft is hinged on the connecting seat, one end of two connecting plates are intersected on the rotating shaft, the other ends of the two connecting plates are hinged to the intersecting plate, and the two connecting plates are arranged in parallel, a tension spring is connected between the two connecting plates, and a wiring board is connected to the intersecting plate.

[0016] Preferably, the connecting plate is a long U-shaped plate with openings at both ends of the connecting plate, the two openings of the connecting plate are respectively clamped on the rotating shaft and the connecting plate, and the tension springs are respectively connected to the opposite sides of the two connecting plates.

[0017] Preferably, the wiring board is a stepped arc-shaped board, which comprises an arc-shaped connection seat connected to the junction board, and an arc-shaped conductive plate is provided on the arc-shaped connection seat.

[0018] Preferably, the connecting seat is an I-shaped plate.

[0019] Preferably, the rotating shaft and the connecting plate are both square plates, and a hinge shaft is provided at both ends of the connecting plate, and each hinge shaft is connected and matched with the connecting seat.

[0020] Preferably, the bracket is an L-shaped plate.

[0021] The advantages of the present invention are as follows: the present device changes the existing connection mode of the cables of the circular stacker and reclaimer. The external power supply is connected from the lower part of the center tube, and is led out through a hole in the center tube near the busbar, so that the wiring is transferred from the inside of the center tube to the outside, and the wires are connected to the distribution cabinet of the stacker and reclaimer through a lead-in device. Moreover, all cables are fixed without being suspended in the air, and are not affected by the rotation of the stacker and reclaimer. The cable is no longer strained or broken. When the external power supply is led out from the hole in the center tube, it is connected to both sides of the busbar wiring device respectively, which increases the load capacity of the busbar by 2 times compared to when it is connected to one side. At the same time, when a fault occurs, it is connected through a spare lead-in device and a busbar wiring device, without stopping production, and is convenient for maintenance and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the principle structure of a busbar power supply device for the outer barrel of a circular stacker-reclaimer provided by the present invention;

[0023] Figure 2 is a schematic diagram of the structure of the lead-in device;

[0024] Figure 3 It is a schematic diagram of the connecting rod structure of the lead-in device;

[0025] Figure 4 It is a structural schematic diagram of a circular conductive plate. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0028] like Figure 1 As shown, the present invention provides a busbar power supply device for the outer barrel of a circular stacker and reclaimer, comprising a central barrel 1, a rotating table 2 being arranged outside the central barrel 1, the central barrel 1 and the rotating table 2 being both prior arts, the connection method between the central barrel 1 and the rotating table 2 being also prior arts, and the rotating table 2 being able to rotate with the central barrel 1 as the axis.

[0029] An annular cavity 3 is provided between the central cylinder 1 and the rotating table 2, and two sliding contact wiring devices 9 are fixedly connected to the central cylinder 1, one sliding contact wiring device 9 is used for wiring in normal use, and the other is for standby. Both sliding contact wiring devices 9 are arranged in the annular cavity 3, and an external power source is connected to the sliding contact wiring device 9 through a wire 15. The power source is not drawn in the figure, that is, the power supply of the circular stacker and reclaimer in the prior art. The sliding contact wiring device 9 is electrically connected to the distribution cabinet of the stacker and reclaimer through a conductive wire, and the distribution cabinet is also not drawn in the figure, which also adopts the prior art.

[0030] The sliding contact wiring device 9 includes a fixing frame 16, the fixing frame 16 is connected to the wiring seat 14, the wiring seat 14 is connected to the wire 15, the fixing frame 16 is connected to the lead device 6, and the lead device 6 is connected to the conductive wire.

[0031] The fixing frame 16 includes four fixing plates 8 uniformly welded on the circumference of the central tube 1. The fixing plates 8 are angle irons. Four annular wiring boards are welded on the four fixing plates 8. The four annular wiring boards are concentrically arranged. A circular groove is provided on the lower side of each annular wiring board. A circular conductive plate 10 is connected in the circular groove. The circular conductive plate 10 is connected to the power supply device through a wire. The circular conductive plate 10 is as shown in FIG. Figure 4 shown.

[0032] Combination Figure 2 and Figure 3 As shown, two brackets 4 are welded on the rotating table 2. The brackets 4 are L-shaped plates and are welded on the rotating table 2. Eight lead devices 6 are connected to each bracket. The lead devices 6 include a connecting seat 5 connected and fixed on the bracket 4. The connecting seat 5 is an arc-shaped card board clamped on the circular wiring board. Each card board is connected to a wire 15.

[0033] The connection seat 5 is an I-shaped plate, and the corresponding slot of the connection seat 5 is clamped on the crossbeam of the bracket 4, and the connection seat 5 is fixed to the crossbeam of the bracket 4 by screws after being clamped. A rotating shaft 12 is hinged in another slot of the connection seat 5, and the rotating shaft 12 is a square plate, and a hinge shaft 12.1 is respectively provided at both ends of the rotating shaft 12, and a cross-connection hole is respectively provided on both sides of the corresponding slot of the connection seat 5, and each hinge shaft 12.1 is correspondingly arranged in the corresponding cross-connection hole.

[0034] One end of two connecting plates 6.1 is connected on the rotating shaft 12, and the other end of the two connecting plates 6.1 is hinged to the connecting plate 13. The connecting plate 13 is a square plate, and the two connecting plates 6.1 are arranged in parallel. The connecting plate 6.1 is a long U-shaped plate, and openings are provided at both ends of the connecting plate 6.1. The two openings of the connecting plate 6.1 are respectively clamped on the rotating shaft 12 and the connecting plate 13, and the tension spring 11 is respectively connected to the opposite sides of the two connecting plates 6.1. The tension spring 11 is connected between the two connecting plates 6.1, and the connecting plate 7 is connected to the connecting plate 13. The connecting plate 7 is a stepped arc plate, which includes an arc connection seat connected to the connecting plate 13, and an arc conductive plate 7.1 is provided on the arc connection seat. Each arc conductive plate 7.1 is correspondingly plugged into the annular groove of the corresponding fixed plate, and each arc conductive plate 7.1 is in contact with the corresponding annular conductive plate 10.

[0035] The sliding contact wiring device 9 replaces the existing circular stacker-reclaimer cable connection method, and the cable routing is directly set outside the central tube 1. All cables are fixed without hanging. The setting method of the sliding contact wiring device 9 is convenient for maintenance and installation.

[0036] The sliding contact wiring device 9 in this solution is set to two layers, the upper layer is for the stacker power supply, and the lower layer is for the reclaimer power supply. The four circular wiring boards are connected to the A, B, C, and N phases of the power supply from the inside to the outside. The external power supply is connected from the lower part of the central tube 1, and is led out through the through hole 1.1 of the central tube 1 near the sliding contact wiring device 9, installed on the wiring seat 14, and the power supply is led out through the arc conductive plate 7.1 and the corresponding circular conductive plate 10 and connected to the distribution cabinet of the stacker and reclaimer connected to the rotating table.

[0037] The busbar power supply device is installed outside the central tube 1, which is more conducive to heat dissipation than the slip ring installed inside, and can be discovered in time when a fault occurs. Fault handling is no longer restricted by the original narrow space, which is convenient for maintenance, effectively shortens the fault handling time, improves equipment operation efficiency, reduces the labor intensity of workers, and reduces the risk level of fault handling.

[0038] The lead device 6 is fixed on the bracket 4, and the bracket 4 is welded on the rotating table 2. The reclaimer rotates once every four days on average, which is about 400 times slower than the stacker which rotates 90 degrees per minute, and can effectively reduce the wear of the equipment.

[0039] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A busbar power supply device for a circular stacker / reclaimer, comprising a central cylinder (1), a rotating platform (2) provided outside the central cylinder (1), and an annular cavity (3) provided between the central cylinder (1) and the rotating platform (2), characterized in that: At least one sliding contact wiring device (9) is fixedly connected to the central tube (1), the sliding contact wiring device (9) is arranged in the annular cavity (3), the power supply is connected to the sliding contact wiring device (9) through a wire (15), and the sliding contact wiring device (9) is electrically connected to a distribution cabinet of the stacker-reclaimer through a conductive wire; The sliding contact wiring device (9) comprises a fixing frame (16), the fixing frame (16) is connected to the wiring seat (14), the wiring seat (14) is connected to the wire (15), the fixing frame (16) is connected to the lead device (6), and the lead device (6) is connected to the conductive wire; The fixing frame (16) comprises a group of fixing plates (8) connected to the central tube (1), a group of annular wiring boards are connected to all the fixing plates (8), and an annular conductive plate (10) is matched and connected inside each annular wiring board; The lead-in device (6) comprises a connection seat (5) connected and fixed on the bracket (4), a rotating shaft (12) hinged on the connection seat (5), one end of two connecting plates (6.1) intersecting on the rotating shaft (12), the other ends of the two connecting plates (6.1) hingedly connected to a connecting plate (13), and the two connecting plates (6.1) are arranged in parallel, a tension spring (11) is connected between the two connecting plates (6.1), and a wiring board (7) is connected on the connecting plate (13).

2. The busbar power supply device for the outer barrel of a circular stacker and reclaimer according to claim 1, characterized in that: A circular ring groove is provided on the lower side of each circular ring wiring board, and the circular ring conductive plate (10) is connected in the circular ring groove.

3. The busbar power supply device for the outer barrel of a circular stacker and reclaimer according to claim 1, characterized in that: The connecting plate (6.1) is a long U-shaped plate, and openings are provided at both ends of the connecting plate (6.1). The two openings of the connecting plate (6.1) are respectively clamped on the rotating shaft (12) and the connecting plate (13), and the tension springs (11) are respectively connected to opposite sides of the two connecting plates (6.1).

4. The busbar power supply device for the outer barrel of a circular stacker and reclaimer according to claim 1, characterized in that: The wiring board (7) is a stepped arc-shaped board, comprising an arc-shaped connection seat connected to the junction board (13), and an arc-shaped conductive plate (7.1) is provided on the arc-shaped connection seat.

5. The busbar power supply device for the outer barrel of a circular stacker and reclaimer according to claim 1, characterized in that: The connecting seat (5) is an I-shaped plate.

6. The busbar power supply device for the outer barrel of a circular stacker and reclaimer according to claim 1, characterized in that: The rotating shaft (12) and the intersection plate (13) are both square plates, and a hinge shaft (12.1) is provided at both ends of the intersection plate (13), and each hinge shaft (12.1) is interlocked with the connection seat (5).

7. The busbar power supply device for the outer barrel of a circular stacker and reclaimer according to claim 1, characterized in that: The bracket (4) is an L-shaped plate.

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