A high-voltage switch cabinet trolley operating device

Abstract

The present invention belongs to the technical field of high-voltage switch cabinet trolleys, and specifically relates to a high-voltage switch cabinet trolley operating device; it comprises a bottom plate, guide columns are arranged on the bottom plate, and the guide columns are connected to a dovetail slider; an upper reversing gear is arranged on the top of the guide column, and a lower reversing gear is arranged on the bottom of the guide column; an upper clamping gear, a driving gear and a lower clamping gear are arranged on the lower part of the guide column; the dovetail slider is connected with a connecting bolt, the connecting bolt is connected with a connecting sleeve, and a connecting rod is connected between the connecting sleeves; driving motors are arranged on both sides of the bottom plate, the driving motors are connected with a transmission shaft, and the transmission shaft is connected with the driving gear; a connecting support plate is arranged on the side of the dovetail slider, the connecting support plate is connected with a lifting platform, and a trolley guide rail is arranged on the lifting platform; the overall structure of the present invention is reasonable, the operation is convenient, and the height of the trolley can be adjusted quickly and automatically, so as to adapt to various trolley loading heights, reduce the labor intensity of disassembling and assembling the high-voltage switch cabinet trolley, and improve the disassembly and assembly efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of high-voltage switch cabinet trolleys, and in particular relates to a high-voltage switch cabinet trolley operating device. Background Art

[0002] High-voltage switchgear plays the role of on-off, control and protection in the power transmission and distribution process of the power system. It has functions such as overhead incoming and outgoing lines, cable incoming and outgoing lines, and busbar connection. It can be used in various places such as power plants, substations, petrochemicals, factories and mines, and residential areas. The normal operation of high-voltage switchgear is inseparable from the switchgear trolley. The switchgear trolley includes circuit breaker trolley, PT trolley, isolation trolley, fuse trolley, metering trolley, etc. Taking the circuit breaker trolley as an example, the switchgear is equipped with a detachable baffle in the cabinet, which separates the circuit breaker room, busbar room and The cable room is separated. When the switch is disconnected, the trolley can be pulled out of the switch cabinet by hand after laying the guide rail for maintenance or replacement, which fully ensures the personal safety of the staff and shortens the maintenance power outage time; however, the loading heights of trolleys of different types and models of high-voltage switch cabinets are often different, and different trolley operating devices are required for this purpose. Storing different trolley operating devices not only takes up space, but also is inconvenient to manage. Therefore, it is very necessary to provide a high-voltage switch cabinet trolley operating device that can adapt to various trolley loading heights. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and to provide a high-voltage switch cabinet trolley operating device which has a reasonable structure, is easy to operate and can quickly and automatically adjust the trolley height to adapt to various trolley loading heights.

[0004] The object of the present invention is achieved in this way: a high-voltage switch cabinet trolley operating device, which includes a base plate, a walking wheel is arranged on the base plate, the rotating shaft height of the walking wheel is the same as the middle height of the side surface of the base plate, and guide columns are arranged on the four corners of the base plate, the guide column is slidably connected with a dovetail slider, a dovetail groove is arranged on one side of the guide column, and a dovetail tenon is arranged on one side of the dovetail slider, and the dovetail tenon cooperates with the dovetail groove to realize the sliding connection between the guide column and the dovetail slider; a fourth vertical plate is arranged on the top of the guide column, and the fourth vertical plate is rotatably connected to the upper reversing gear, and a fifth vertical plate is arranged at the bottom of the guide column, and the fifth vertical plate is rotatably connected to the lower reversing gear; a first vertical plate, a second vertical plate and a third vertical plate are arranged on the side surface of the lower part of the guide column from top to bottom, and the first vertical plate rotates The transmission gear of the present invention is a gear which is connected to the upper and lower surfaces of the gear train, and the gear is connected to the transmission gear of the present invention on a gear that is connected to the lower surface of the gear train.

[0005] A groove is arranged at the bottom of the guide column, and the fifth vertical plate and the lower reversing gear are located in the groove.

[0006] The fourth vertical plate is rotationally connected to the upper reversing gear via a rotating shaft and a bearing; the fifth vertical plate is rotationally connected to the lower reversing gear via a rotating shaft and a bearing.

[0007] The driving motor is a stepping motor with a reducer, and the reducer is a dual-output co-directional gear reducer.

[0008] The chain is a double-row chain.

[0009] Two connecting support plates are arranged on each of the dovetail sliders, and an embedding groove matched with the connecting support plates is arranged on the edge of the lifting platform. The connecting support plates are embedded in the embedding grooves and connected to the lifting platform by bolts.

[0010] The top of the trolley guide rail is a conical surface that can fit with the trolley roller.

[0011] A limit stopper is arranged on the lifting platform, and the limit stopper is located at the end of the trolley guide rail.

[0012] Beneficial effects of the present invention: A high-voltage switch cabinet trolley operating device of the present invention mainly includes a base plate, a lifting platform, a guide column, a dovetail slider and a chain. A walking wheel is arranged at the upper edge of the base plate, and the center height of the walking wheel is the same as the middle height of the base plate, rather than being arranged below the base plate, which can effectively reduce the height between the base plate and the ground, thereby reducing the minimum height of the lifting platform, so as to enhance the adaptability of the trolley operating device to the installation positions of trolleys of different heights; the guide columns are arranged at the four corners of the base plate, and the dovetail slider cooperates with the dovetail groove and the dovetail tenon to realize the lifting and lowering of the lifting platform; the driving motor drives the transmission shaft to rotate, the transmission shaft drives the driving gears on each guide column to rotate, and the driving gear drives the chain meshing connected thereto The chain is connected to the dovetail slider by a connecting rod, a connecting sleeve and a connecting bolt, and the tightness of the chain can be adjusted by turning the connecting bolt, thereby facilitating the disassembly and assembly of the chain and improving the practicality of the trolley operating device. The overall structure of the present invention is reasonable, and the operation is convenient and use. The height of the trolley can be adjusted quickly and automatically, thereby adapting to various trolley loading heights, reducing the labor intensity of disassembly and assembly of the trolley in the high-voltage switch cabinet, and improving the disassembly and assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The present invention is a schematic diagram of the front structure of a high-voltage switch cabinet trolley operating device.

[0014] Figure 2 The present invention is a schematic diagram of a top view of the structure of a high-voltage switch cabinet trolley operating device.

[0015] Figure 3 The present invention is a schematic diagram of the front view structure of a guide column of a high-voltage switch cabinet trolley operating device.

[0016] Figure 4 The present invention is a schematic diagram of the left side structure of a guide column of a high-voltage switch cabinet trolley operating device.

[0017] Figure 5 The present invention is a schematic front view of the structure of a dovetail slider and a guide column connected to a high-voltage switch cabinet trolley operating device.

[0018] Figure 6 The present invention is a schematic top view of the structure of a dovetail slider and a guide column of a high-voltage switch cabinet trolley operating device connected to each other.

[0019] In the figure: 1, lower clamping gear 2, drive motor 3, drive gear 4, upper clamping gear 5, dovetail slider 6, trolley guide rail 7, lifting platform 8, chain 9, guide column 10, upper reversing gear 11, bottom plate 12, walking wheel 13, third vertical plate 14, second vertical plate 15, first vertical plate 16, fourth vertical plate 17, transmission shaft 18, connecting support plate 19, limit block 20, lower reversing gear 21, fifth vertical plate 22, connecting bolt 23, connecting sleeve 24, connecting rod 25, dovetail groove 26, dovetail tenon. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Example 1

[0022] like Figure 1-6As shown, a high-voltage switch cabinet trolley operating device includes a bottom plate 11, a travel wheel 12 is arranged on the bottom plate 11, the rotation axis height of the travel wheel 12 is the same as the middle height of the side of the bottom plate 11, and guide columns 9 are arranged on the four corners of the bottom plate 11. The guide columns 9 are slidably connected with a dovetail slider 5. A dovetail groove 25 is arranged on one side of the guide column 9, and a dovetail tenon 26 is arranged on one side of the dovetail slider 5. The dovetail tenon 26 and the dovetail groove 25 are connected to each other. The guide column 9 is matched to realize the sliding connection between the guide column 9 and the dovetail slider 5; the top of the guide column 9 is provided with a fourth vertical plate 16, and the fourth vertical plate 16 is rotatably connected to the upper reversing gear 10, and the bottom of the guide column 9 is provided with a fifth vertical plate 21, and the fifth vertical plate 21 is rotatably connected to the lower reversing gear 20; the side surface of the lower part of the guide column 9 is provided with a first vertical plate 15, a second vertical plate 14 and a third vertical plate 13 from top to bottom, and the first vertical plate 15 is rotatably connected to the upper pressing Gear 4, the second vertical plate 14 is rotatably connected with the driving gear 3, and the third vertical plate 13 is rotatably connected with the lower clamping gear 1; the top and bottom surfaces of the dovetail slider 5 are both threadedly connected with connecting bolts 22, and the connecting bolts 22 are rotatably connected with the connecting sleeves 23, and a connecting rod 24 is connected between the two connecting sleeves 23; the connecting rod 24 located above the dovetail slider 5 is connected with one end of the chain 8, and the chain 8 is meshed and connected with the upper reversing gear 10, the upper clamping gear 4, the driving gear 3, the lower clamping gear 1 and the lower reversing gear 20 in sequence, and the other end of the chain 8 is connected to the connecting rod 24 below the dovetail slider 5; the left and right sides of the bottom plate 11 are provided with a driving motor 2, and the driving motor 2 is connected with a transmission shaft 17, and the transmission shaft 17 is connected with the driving gear 3; a connecting support plate 18 is provided on the side of the dovetail slider 5, and the connecting support plate 18 is connected with a lifting platform 7, and a trolley guide rail 6 is provided on the lifting platform 7.

[0023] A high-voltage switch cabinet trolley operating device of the present invention mainly includes a base plate 11, a lifting platform 7, a guide column 9, a dovetail slider 5 and a chain 8. A walking wheel 12 is arranged at the upper edge of the base plate 11. The center height of the walking wheel 12 is the same as the middle height of the base plate 11, rather than being arranged below the base plate 11, which can effectively reduce the height between the base plate 11 and the ground, thereby reducing the minimum height of the lifting platform 7, so as to enhance the adaptability of the trolley operating device to the installation positions of trolleys of different heights; the guide column 9 is arranged at the four corners of the base plate 11, and the guide column 9 cooperates with the dovetail slider 5 through the dovetail groove 25 and the dovetail tenon 26 to realize the lifting and lowering of the lifting platform 7; the driving motor 2 drives the transmission shaft 17 to rotate, and the transmission shaft 17 drives the driving gear 3 on each guide column 9 to rotate, and the driving gear 3 drives the meshing connection therewith The chain 8 is pulled to pull the dovetail slider 5 to slide along the guide column 9, thereby achieving the purpose of quickly changing the height of the lifting platform 7, which is convenient and quick; the driving gear 3 cooperates with the upper clamping gear 4 above it and the lower clamping gear 1 below it, so that the chain 8 is tensioned and fully meshed with the driving gear 3, ensuring the stability of the chain 8 transmission; the chain 8 is connected to the dovetail slider 5 through the connecting rod 24, the connecting sleeve 23 and the connecting bolt 22, and the tightness of the chain 8 can be adjusted by screwing the connecting bolt 22, further ensuring the stability of the chain 8 transmission, and facilitating the disassembly and assembly of the chain 8, thereby improving the practicality of the trolley operating device; the overall structure of the present invention is reasonable, the operation is convenient, and the height of the trolley can be quickly and automatically adjusted to adapt to various trolley loading heights, reducing the labor intensity of disassembly and assembly of the high-voltage switch cabinet trolley, and improving the disassembly and assembly efficiency.

[0024] Example 2

[0025] like Figure 1-6As shown, a high-voltage switch cabinet trolley operating device includes a bottom plate 11, a travel wheel 12 is arranged on the bottom plate 11, the rotation axis height of the travel wheel 12 is the same as the middle height of the side of the bottom plate 11, and guide columns 9 are arranged on the four corners of the bottom plate 11. The guide columns 9 are slidably connected with a dovetail slider 5. A dovetail groove 25 is arranged on one side of the guide column 9, and a dovetail tenon 26 is arranged on one side of the dovetail slider 5. The dovetail tenon 26 and the dovetail groove 25 are connected to each other. The guide column 9 is matched to realize the sliding connection between the guide column 9 and the dovetail slider 5; the top of the guide column 9 is provided with a fourth vertical plate 16, and the fourth vertical plate 16 is rotatably connected to the upper reversing gear 10, and the bottom of the guide column 9 is provided with a fifth vertical plate 21, and the fifth vertical plate 21 is rotatably connected to the lower reversing gear 20; the side surface of the lower part of the guide column 9 is provided with a first vertical plate 15, a second vertical plate 14 and a third vertical plate 13 from top to bottom, and the first vertical plate 15 is rotatably connected to the upper pressing Gear 4, the second vertical plate 14 is rotatably connected with the driving gear 3, and the third vertical plate 13 is rotatably connected with the lower clamping gear 1; the top and bottom surfaces of the dovetail slider 5 are both threadedly connected with connecting bolts 22, and the connecting bolts 22 are rotatably connected with the connecting sleeves 23, and a connecting rod 24 is connected between the two connecting sleeves 23; the connecting rod 24 located above the dovetail slider 5 is connected with one end of the chain 8, and the chain 8 is meshed and connected with the upper reversing gear 10, the upper clamping gear 4, the driving gear 3, the lower clamping gear 1 and the lower reversing gear 20 in sequence, and the other end of the chain 8 is connected to the connecting rod 24 below the dovetail slider 5; the left and right sides of the bottom plate 11 are provided with a driving motor 2, and the driving motor 2 is connected with a transmission shaft 17, and the transmission shaft 17 is connected with the driving gear 3; a connecting support plate 18 is provided on the side of the dovetail slider 5, and the connecting support plate 18 is connected with a lifting platform 7, and a trolley guide rail 6 is provided on the lifting platform 7.

[0026] For better effect, a groove is provided at the bottom of the guide column 9, and the fifth vertical plate 21 and the lower reversing gear 20 are located in the groove, which can effectively reduce the distance between the guide column 9 and the ground, further reduce the minimum descent height of the lifting platform 7, and improve the practicality of the trolley operating device.

[0027] For better effect, the fourth vertical plate 16 is rotationally connected to the upper reversing gear 10 through a rotating shaft and a bearing; the fifth vertical plate 21 is rotationally connected to the lower reversing gear 20 through a rotating shaft and a bearing, which effectively reduces the friction force when the upper reversing gear 10 and the lower reversing gear 20 rotate, thereby improving the efficiency and stability of the operation of the trolley operating device.

[0028] In order to achieve better results, the driving motor 2 is a stepping motor with a reducer, which is convenient for accurately controlling the lifting height of the lifting platform 7 and improving work efficiency. The reducer is a dual-output unidirectional gear reducer, which can simultaneously drive the transmission shaft 17 on its left and right sides to rotate in the same direction. The structure is simple, and the synchronous drive can ensure the stability of the lifting platform 7 during lifting.

[0029] For better effect, the chain 8 is a double-row chain with stable transmission and large transmission force.

[0030] For better effect, each of the dovetail sliders 5 is provided with two connecting support plates 18, and the edge of the lifting platform 7 is provided with an embedding groove adapted to the connecting support plate 18. The connecting support plate 18 is embedded in the embedding groove and connected to the lifting platform 7 by bolts. The connection method is simple and efficient, which facilitates the disassembly and assembly of the lifting platform 7.

[0031] For better effect, the top of the trolley guide rail 6 is a conical surface that can fit with the trolley roller, which can better cooperate with the trolley roller, reduce the friction when the trolley moves, and make its movement more stable.

[0032] For better effect, a limit stopper 19 is provided on the lifting platform 7, and the limit stopper 19 is located at the end of the trolley guide rail 6. The stopper 1 can prevent the roller of the trolley from leaving the trolley guide rail 6 to limit the position of the trolley.

[0033] A high-voltage switch cabinet trolley operating device of the present invention mainly includes a base plate 11, a lifting platform 7, a guide column 9, a dovetail slider 5 and a chain 8. A walking wheel 12 is arranged at the upper edge of the base plate 11. The center height of the walking wheel 12 is the same as the middle height of the base plate 11, rather than being arranged below the base plate 11, which can effectively reduce the height between the base plate 11 and the ground, thereby reducing the minimum height of the lifting platform 7, so as to enhance the adaptability of the trolley operating device to the installation positions of trolleys of different heights; the guide column 9 is arranged at the four corners of the base plate 11, and the guide column 9 cooperates with the dovetail slider 5 through the dovetail groove 25 and the dovetail tenon 26 to realize the lifting and lowering of the lifting platform 7; the driving motor 2 drives the transmission shaft 17 to rotate, and the transmission shaft 17 drives the driving gear 3 on each guide column 9 to rotate, and the driving gear 3 drives the meshing connection therewith The chain 8 is pulled to pull the dovetail slider 5 to slide along the guide column 9, thereby achieving the purpose of quickly changing the height of the lifting platform 7, which is convenient and quick; the driving gear 3 cooperates with the upper clamping gear 4 above it and the lower clamping gear 1 below it, so that the chain 8 is tensioned and fully meshed with the driving gear 3, ensuring the stability of the chain 8 transmission; the chain 8 is connected to the dovetail slider 5 through the connecting rod 24, the connecting sleeve 23 and the connecting bolt 22, and the tightness of the chain 8 can be adjusted by screwing the connecting bolt 22, further ensuring the stability of the chain 8 transmission, and facilitating the disassembly and assembly of the chain 8, thereby improving the practicality of the trolley operating device; the overall structure of the present invention is reasonable, the operation is convenient, and the height of the trolley can be quickly and automatically adjusted to adapt to various trolley loading heights, reducing the labor intensity of disassembly and assembly of the high-voltage switch cabinet trolley, and improving the disassembly and assembly efficiency.

Claims

1. A high-voltage switch cabinet trolley operating device, comprising a bottom plate (11), on which a running wheel (12) is arranged, characterized in that: The height of the rotating shaft of the walking wheel (12) is the same as the middle height of the side of the base plate (11); guide columns (9) are provided on the four corners of the base plate (11); the guide columns (9) are slidably connected to a dovetail slider (5); a dovetail groove (25) is provided on one side of the guide column (9); a dovetail tenon (26) is provided on one side of the dovetail slider (5); the dovetail tenon (26) cooperates with the dovetail groove (25) to realize the sliding connection between the guide column (9) and the dovetail slider (5); the guide column (9) ) is provided with a fourth vertical plate (16) at the top, the fourth vertical plate (16) being rotatably connected to an upper reversing gear (10); a fifth vertical plate (21) is provided at the bottom of the guide column (9), the fifth vertical plate (21) being rotatably connected to a lower reversing gear (20); a first vertical plate (15), a second vertical plate (14) and a third vertical plate (13) are provided on the side surface of the lower part of the guide column (9) in order from top to bottom, the first vertical plate (15) being rotatably connected to an upper pressing gear (4), the second vertical plate (14) being rotatably connected to a driving gear (3), The third vertical plate (13) is rotatably connected to the lower clamping gear (1); the top and bottom surfaces of the dovetail slider (5) are both threadedly connected to connecting bolts (22), the connecting bolts (22) are rotatably connected to connecting sleeves (23), and a connecting rod (24) is connected between the two connecting sleeves (23); the connecting rod (24) located above the dovetail slider (5) is connected to one end of a chain (8), and the chain (8) is meshed and connected to the upper reversing gear (10), the upper clamping gear (4), the driving gear (3), the lower A pressing gear (1) and the lower reversing gear (20), the other end of the chain (8) is connected to the connecting rod (24) below the dovetail slider (5); a driving motor (2) is provided on both the left and right sides of the bottom plate (11), the driving motor (2) is connected to a transmission shaft (17), and the transmission shaft (17) is connected to the driving gear (3); a connecting support plate (18) is provided on the side of the dovetail slider (5), the connecting support plate (18) is connected to a lifting platform (7), and a trolley guide rail (6) is provided on the lifting platform (7); The bottom of the guide column (9) is provided with a groove, and the fifth vertical plate (21) and the lower reversing gear (20) are located in the groove; The fourth vertical plate (16) is rotationally connected to the upper reversing gear (10) via a rotating shaft and a bearing; the fifth vertical plate (21) is rotationally connected to the lower reversing gear (20) via a rotating shaft and a bearing; Two connecting support plates (18) are provided on each of the dovetail sliders (5), and an edge of the lifting platform (7) is provided with an embedding groove matched with the connecting support plates (18). The connecting support plates (18) are embedded in the embedding groove and connected to the lifting platform (7) by bolts.

2. A high-voltage switch cabinet trolley operating device according to claim 1, characterized in that: The driving motor (2) is a stepping motor with a reducer, and the reducer is a dual-output co-directional gear reducer.

3. A high-voltage switch cabinet trolley operating device according to claim 1, characterized in that: The chain (8) is a double-row chain.

4. A high-voltage switch cabinet trolley operating device according to claim 1, characterized in that: The top of the trolley guide rail (6) is a conical surface that can fit with the trolley roller.

5. A high-voltage switch cabinet trolley operating device according to claim 1, characterized in that: A limit stopper (19) is provided on the lifting platform (7), and the limit stopper (19) is located at the end of the trolley guide rail (6).

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