Paying-off device and method for fault repair of low-voltage distribution network

Abstract

The invention belongs to the technical field of power grid first-aid repair pay-off, and particularly relates to a low-voltage distribution network fault first-aid repair pay-off device and method. Comprising a bottom plate, a lifting support is arranged on the bottom plate, a rotating support is connected to the top of the lifting support, support plates are arranged on the rotating support, a cable drum is rotationally arranged between the two support plates, a second driving assembly is arranged on the support plates, and the second driving assembly is used for driving the cable drum to rotate; the support plate is rotatably connected with an overhanging rod, the end part of the overhanging rod is connected with a cable guiding assembly, and the cable guiding assembly is used for guiding a cable on the cable drum; an overhanging rod guide assembly is arranged on the bracket plate and is used for guiding the rotation process of the overhanging rod; a third driving assembly is arranged on the overhanging rod, and the third driving assembly is used for driving the overhanging rod to rotate; the low-voltage distribution network fault first-aid repair pay-off device can assist workers in low-voltage distribution network fault first-aid repair pay-off operation, the operation efficiency is improved, the operation safety is guaranteed, and the operation cost is reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of power grid emergency repair wire laying, and particularly relates to a low-voltage distribution network fault emergency repair wire laying device and method. Background Art

[0002] The distribution network is a network composed of overhead lines, cables, poles, distribution transformers, disconnect switches, reactive power compensation capacitors, and some auxiliary facilities, etc., which plays an important role in distributing electric energy in the power grid. The distribution network can be classified by voltage level into high-voltage distribution network, medium-voltage distribution network, and low-voltage distribution network, and can be classified by the function of the power supply area into urban distribution network, rural distribution network, and factory distribution network, etc. The distribution network generally adopts a closed-loop design and open-loop operation, and its structure is radial. The closed-loop structure helps to improve the operation flexibility and power supply reliability; while the open-loop operation is on the one hand to limit the short-circuit fault current and prevent the circuit breaker from exploding beyond the breaking capacity, and on the other hand to control the scope of the fault and avoid the expansion of the fault power outage scope. The low-voltage distribution network is a distribution network composed of low-voltage distribution lines and their auxiliary electrical equipment that provides electric energy to users, mainly taking the distribution transformer of the medium-voltage distribution network as the power source and directly sending the electric energy to users through the low-voltage distribution lines. During the emergency repair process of low-voltage distribution network faults, in case of a broken wire fault, the emergency repair personnel need to find the fault point, connect the broken wire or replace it with a new wire. Therefore, it is very necessary to provide a low-voltage distribution network fault emergency repair wire laying device and method. Summary of the Invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a low-voltage distribution network fault emergency repair wire laying device and method to assist the staff in carrying out the low-voltage distribution network fault emergency repair wire laying operation, improve the operation efficiency, ensure the operation safety, and reduce the operation cost.

[0004] The purpose of the present invention is achieved as follows: A low-voltage distribution network fault emergency repair wire laying device includes a bottom plate, on which a lifting support is provided, the top of the lifting support is connected with a rotating support, a support plate is provided on the rotating support, a cable reel is rotatably arranged between the two support plates, a second driving assembly is provided on the support plate, and the second driving assembly is used to drive the cable reel to rotate; An extension rod is rotatably connected to the support plate, a cable guiding assembly is connected to the end of the extension rod, and the cable guiding assembly is used to guide the cable on the cable reel; an extension rod guiding assembly is provided on the support plate, and the extension rod guiding assembly is used to guide the rotation process of the extension rod; a third driving assembly is provided on the extension rod, and the third driving assembly is used to drive the extension rod to rotate.

[0005] Further, the rotating support includes a fixed outer disk fixedly connected to the lifting support. The fixed outer disk is annular as a whole, and a rotating gear disk is rotatably connected to its inner ring. The support plate is fixedly arranged on the rotating gear disk.

[0006] Further, a first driving assembly is arranged on the bottom plate. The first driving assembly includes a first motor, and a first gear is connected to the output shaft of the first motor. The first gear is meshed and connected with the rotating gear disk. During the operation, the orientation of the cable reel can be adjusted according to the operation needs through the first motor, so as to adjust and control the direction of cable pay-out, with convenient, fast, stable and efficient operation.

[0007] Further, the second driving assembly includes a second motor arranged on the support plate, and a second gear is connected to the output shaft of the second motor. The reel shaft of the cable reel passes through the support plate, and a third gear is connected to its end. The second gear is meshed and connected with the third gear.

[0008] Further, the outrigger guiding assembly includes a supporting ring plate connected to the support plate through a supporting rod. An annular guide rail is connected to the supporting ring plate. A guiding rod is connected to the outrigger, and a guiding roller is rotatably arranged at the end of the guiding rod. The guiding roller is arranged in the annular guide rail and is in rolling contact with it.

[0009] Further, the third driving assembly includes a third motor arranged on the outrigger, and a fourth gear is connected to the output shaft of the third motor. A toothed ring plate is arranged on the supporting ring plate. The fourth gear is meshed and connected with the toothed ring plate. During the operation, the inclination angle and orientation of the outrigger can be adjusted and controlled through the third motor to meet the requirements of pay-out operation and improve the operation efficiency and adaptability.

[0010] Further, the cable guiding assembly includes a terminal plate connected to the end of the outrigger. A supporting cross bar is connected between the two terminal plates. A movable seat plate is slidably connected to the supporting cross bar, and a guiding ring is arranged on the movable seat plate. The cable on the cable reel can pass through the guiding ring during pay-out, and the guiding ring is used to guide and limit it.

[0011] Further, a fourth motor is arranged at the bottom of the terminal plate, and a driving screw is connected to the output shaft of the fourth motor. A driving plate is arranged at the bottom of the movable seat plate. The driving screw passes through the driving plate and is threadedly connected with it.

[0012] Further, the lifting support includes a hydraulic rod fixedly arranged on the bottom plate. The top of the hydraulic rod is connected with a side connection seat, and the side connection seat is fixedly arranged on the outer side surface of the fixed outer disk.

[0013] A method for laying cables during emergency repair of low - voltage distribution network faults, using the low - voltage distribution network emergency repair cable - laying device described above, includes the following steps: S1. Move and fix the low - voltage distribution network emergency repair cable - laying device to the designated working position. Adjust the overall height of the cable reel through the lifting support, and adjust the orientation of the cable reel through the rotating support to adapt to the current working requirements; S2. Pass one end of the cable on the cable reel through the guiding ring on the cable guiding assembly. Drive the outrigger to rotate through the third driving assembly, thereby adjusting the cable laying angle in the vertical direction; S3. Drive the cable reel to rotate through the second driving assembly to convey and lay the cable on it. At the same time, the position of the moving seat plate and the guiding ring on it can be adjusted through the fourth motor, so that the guiding ring stably guides the cable according to the position of the cable on the cable reel and the target position of cable laying.

[0014] Advantages of the present invention: For the low - voltage distribution network emergency repair cable - laying device of the present invention, the lifting support is arranged on the bottom plate. The height of the rotating support on it can be adjusted through the lifting support, and then the height position of the cable reel can be adjusted to adapt to different on - site working requirements; the position of the support plate arranged on it can be adjusted by adjusting the rotating support, and then the orientation of the cable reel can be adjusted. A second driving assembly is also arranged on the support plate, and the cable reel can be driven to rotate through the second driving assembly for cable - laying work; the end of the outrigger is connected with a cable guiding assembly, and the cable on the cable reel can be guided through the cable guiding assembly. An outrigger guiding assembly is arranged on the support plate, and the rotation process of the outrigger can be guided through the outrigger guiding assembly; a third driving assembly is arranged on the outrigger, and the outrigger can be driven to rotate through the third driving assembly to adjust the cable laying direction. The low - voltage distribution network emergency repair cable - laying device of the present invention has a reasonable structure, is convenient to operate and use, can assist workers in cable - laying operations for emergency repair of low - voltage distribution network faults, improve work efficiency, ensure work safety, and reduce work costs. Brief Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1It is a three-dimensional structure schematic diagram of a wire laying device for emergency repair of low-voltage distribution network faults.

[0017] Figure 2 It is a front view structure schematic diagram of a wire laying device for emergency repair of low-voltage distribution network faults.

[0018] Figure 3 It is a side view structure schematic diagram of a wire laying device for emergency repair of low-voltage distribution network faults.

[0019] Figure 4 It is a structure schematic diagram of the first driving component of a wire laying device for emergency repair of low-voltage distribution network faults.

[0020] Figure 5 It is a structure schematic diagram of the second driving component of a wire laying device for emergency repair of low-voltage distribution network faults.

[0021] Figure 6 It is a structure schematic diagram of the outrigger guiding component of a wire laying device for emergency repair of low-voltage distribution network faults.

[0022] Figure 7 It is a structure schematic diagram of the cable guiding component of a wire laying device for emergency repair of low-voltage distribution network faults. Detailed implementation manners

[0023] The following further describes the present invention with reference to the accompanying drawings.

[0024] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] It should be noted that all directional indications (such as up-down-left-right-front-back...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly. The described connection can be a direct connection or an indirect connection.

[0027] Such as Figure 1-7As shown in the figure, a low-voltage distribution network fault repair cable laying device of the present invention includes a bottom plate 1, on which a lifting support 2 is provided. The top of the lifting support 2 is connected to a rotating support 3, on which a support plate 4 is provided. Between the two support plates 4, a cable reel 6 is rotatably arranged. A second driving component 7 is arranged on the support plate 4, and the second driving component 7 is used to drive the cable reel 6 to rotate; An extension rod 8 is rotatably connected to the support plate 4. The end of the extension rod 8 is connected to a cable guiding component 11, and the cable guiding component 11 is used to guide the cable on the cable reel 6; An extension rod guiding component 9 is arranged on the support plate 4, and the extension rod guiding component 9 is used to guide the rotation process of the extension rod 8; A third driving component 10 is arranged on the extension rod 8, and the third driving component 10 is used to drive the extension rod 8 to rotate.

[0028] Further, in one embodiment, the rotating support 3 includes a fixed outer disk 12 fixedly connected to the lifting support 2. The fixed outer disk 12 is in an annular shape as a whole, and a rotating gear disk 13 is rotatably connected to its inner ring. The support plate 4 is fixedly arranged on the rotating gear disk 13; The position of the support plate 4 in the horizontal space can be adjusted by rotating the rotating gear disk 13, so as to adjust the orientation of the cable reel 6 according to the operation requirements. The operation is convenient, fast, stable and efficient, improving the operation efficiency and operation adaptability.

[0029] Further, in one embodiment, a first driving component 5 is arranged on the bottom plate 1. The first driving component 5 includes a first motor 14, and the output shaft of the first motor 14 is connected to a first gear 15. The first gear 15 is meshed and connected with the rotating gear disk 13; During the operation, the orientation of the cable reel 6 can be adjusted by the first motor 14 according to the operation requirements, so as to adjust and control the direction of cable laying. The operation is convenient, fast, stable and efficient; Specifically, when the first motor 14 works, the rotating gear disk 13 is driven to rotate through the first gear 15, and then the cable reel 6 is driven to rotate through the support plate 4 to adjust the orientation of the cable reel 6.

[0030] Further, in one embodiment, the second driving component 7 includes a second motor 17 arranged on the support plate 4. The output shaft of the second motor 17 is connected to a second gear 16. The reel shaft rod 18 of the cable reel 6 passes through the support plate 4 and its end is connected to a third gear 19. The second gear 16 is meshed and connected with the third gear 19; The cable reel 6 can be driven to rotate through the operation of the second motor 17, so as to carry out the cable laying work.

[0031] Further, in one embodiment, the telescopic rod guiding assembly 9 includes a support ring plate 23 connected to the support plate 4 through a support rod 22. A circular guide rail 25 is connected to the support ring plate 23. A guide rod 27 is connected to the telescopic rod 8. A guide roller 26 is rotatably arranged at the end of the guide rod 27. The guide roller 26 is arranged in the circular guide rail 25 and is in rolling contact with it. During the rotation of the telescopic rod 8, the rolling cooperation between the guide roller 26 and the circular guide rail 25 and the guide rod 27 can be used to limit and guide it, so as to ensure its stability during rotation and provide stable support for the cable guiding assembly 11.

[0032] Further, in one embodiment, the third driving assembly 10 includes a third motor 29 arranged on the telescopic rod 8. The output shaft of the third motor 29 is connected with a fourth gear 28. A toothed ring plate 24 is arranged on the support ring plate 23. The fourth gear 28 is meshed and connected with the toothed ring plate 24. During the operation, the inclination angle and orientation of the telescopic rod 8 can be adjusted and controlled through the third motor 29 to meet the requirements of the wire laying operation and improve the operation efficiency and adaptability. Specifically, when the third motor 29 works, it drives the fourth gear 28 to rotate, and then through the meshing connection between the fourth gear 28 and the toothed ring plate 24, it drives the third motor 29 and the telescopic rod 8 to rotate around the toothed ring plate 24.

[0033] Further, in one embodiment, the cable guiding assembly 11 includes an end connection plate 30 connected to the end of the telescopic rod 8. A support cross bar 32 is connected between the two end connection plates 30. A movable seat plate 35 is slidably connected to the support cross bar 32. A guide ring 34 is arranged on the movable seat plate 35. The cable on the cable reel 6 can pass through the guide ring 34 during the wire laying process. The guide ring 34 can be used to guide and limit it. At the same time, the position of the movable seat plate 35 on the support cross bar 32 can be adjusted to meet different operation requirements.

[0034] Further, in one embodiment, a fourth motor 31 is arranged at the bottom of the end connection plate 30. The output shaft of the fourth motor 31 is connected with a driving screw 33. A driving plate 36 is arranged at the bottom of the movable seat plate 35. The driving screw 33 passes through the driving plate 36 and is in threaded connection with it. The position of the movable seat plate 35 and the guide ring 34 thereon can be adjusted through the fourth motor 31, and the operation is convenient, stable and efficient.

[0035] Further, in one embodiment, the lifting support 2 includes a hydraulic rod 20 fixedly arranged on the bottom plate 1. The top end of the hydraulic rod 20 is connected with a side connection seat 21, and the side connection seat 21 is fixedly arranged on the outer side surface of the fixed outer disk 12. The height of the rotating support 3 can be adjusted by the hydraulic rod 20 to meet different operation requirements.

[0036] A method for emergency repair and wire laying of a low-voltage distribution network fault uses the low-voltage distribution network fault emergency repair and wire laying device, and includes the following steps: S1. Move and fix the low-voltage distribution network fault emergency repair and wire laying device to a designated operation position. Adjust the overall height of the cable reel 6 through the lifting support 2, and adjust the orientation of the cable reel 6 through the rotating support 3 to make it meet the current operation requirements. S2. Pass one end of the cable on the cable reel 6 through the guide ring 34 on the cable guiding assembly 11, and drive the extension rod 8 to rotate through the third driving assembly 10, so as to adjust the wire laying angle of the cable in the vertical direction. S3. Drive the cable reel 6 to rotate through the second driving assembly 7 to convey and lay the cable on it. At the same time, the position of the moving seat plate 35 and the guide ring 34 thereon can be adjusted through the fourth motor 31, so that the guide ring 34 guides the cable stably according to the position of the cable on the cable reel 6 and the wire laying target position.

[0037] In summary, for a low-voltage distribution network fault emergency repair and wire laying device of the present invention, the lifting support 2 is arranged on the bottom plate 1. The height of the rotating support 3 thereon can be adjusted through the lifting support 2, and then the height position of the cable reel 6 can be adjusted to meet different on-site operation requirements. The position of the support plate 4 arranged thereon can be adjusted by adjusting the rotating support 3, and then the orientation of the cable reel 6 can be adjusted. A second driving assembly 7 is also arranged on the support plate 4, and the cable reel 6 can be driven to rotate through the second driving assembly 7 for wire laying work. The end of the extension rod 8 is connected with a cable guiding assembly 11, and the cable on the cable reel 6 can be guided through the cable guiding assembly 11. An extension rod guiding assembly 9 is arranged on the support plate 4, and the rotation process of the extension rod 8 can be guided through the extension rod guiding assembly 9. A third driving assembly 10 is arranged on the extension rod 8, and the extension rod 8 can be driven to rotate through the third driving assembly 10 to adjust the wire laying direction of the cable. The low-voltage distribution network fault emergency repair and wire laying device of the present invention has a reasonable structure, is convenient to operate and use, can assist workers in carrying out low-voltage distribution network fault emergency repair and wire laying operations, improve operation efficiency, ensure operation safety, and reduce operation costs.

[0038] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[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, and what is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A low voltage distribution network fault repair and wiring device, characterized in that: The invention comprises a bottom plate (1), a lifting support (2) being arranged on the bottom plate (1), a rotating support (3) being connected to the top of the lifting support (2), a bracket plate (4) being arranged on the rotating support (3), a cable drum (6) being rotatably arranged between two bracket plates (4), a second driving component (7) being arranged on the bracket plate (4), and the second driving component (7) being used for driving the cable drum (6) to rotate; The support plate (4) is rotatably connected to an extension rod (8), the end of the extension rod (8) being connected to a cable guide assembly (11), the cable guide assembly (11) being used to guide the cables on the cable reel (6); the support plate (4) is provided with an extension rod guide assembly (9), the extension rod guide assembly (9) being used to guide the rotation process of the extension rod (8); the extension rod (8) is provided with a third drive assembly (10), the third drive assembly (10) being used to drive the extension rod (8) to rotate.

2. A low voltage distribution network fault repair and wiring device as claimed in claim 1, characterized in that: The rotating support (3) comprises a fixed outer disk (12) fixedly connected to the lifting support (2); the fixed outer disk (12) is annular as a whole and has a rotating toothed disk (13) rotatably connected to its inner ring; the bracket plate (4) is fixedly arranged on the rotating toothed disk (13).

3. A low voltage distribution network fault repair and wiring device as claimed in claim 2, characterized in that: A first drive assembly (5) is arranged on the base plate (1), the first drive assembly (5) comprising a first motor (14), an output shaft of the first motor (14) being connected to a first gear (15), the first gear (15) being meshingly connected to the rotating gear disc (13).

4. A low voltage distribution network fault repair and wiring device as claimed in claim 1, characterized in that: The second driving assembly (7) comprises a second motor (17) arranged on the support plate (4), the output shaft of the second motor (17) being connected to a second gear (16), the cable drum shaft (18) of the cable drum (6) passing through the support plate (4) and the end thereof being connected to a third gear (19), the second gear (16) being meshingly connected to the third gear (19).

5. A low voltage distribution network fault repair and wiring device as claimed in claim 1, characterized in that: The extension rod guide assembly (9) comprises a support ring plate (23) connected to the bracket plate (4) via a support rod (22); an annular guide rail (25) is connected to the support ring plate (23); a guide rod (27) is connected to the extension rod (8); a guide roller (26) is rotatably provided at the end of the guide rod (27); the guide roller (26) is provided in the annular guide rail (25) and is in rolling contact with the annular guide rail (25).

6. A low voltage distribution network fault repair and wiring device as claimed in claim 5, characterized in that: The third drive assembly (10) comprises a third motor (29) arranged on the extension rod (8), the output shaft of the third motor (29) is connected to a fourth gear (28), a gear ring plate (24) is arranged on the support ring plate (23), and the fourth gear (28) is meshingly connected to the gear ring plate (24).

7. A low voltage distribution network fault repair and wiring device as claimed in claim 1, characterized in that: The cable guide assembly (11) comprises a terminal plate (30) connected to the end of the extension rod (8), a support cross bar (32) is connected between the two terminal plates (30), a movable seat plate (35) is slidably connected to the support cross bar (32), and a guide ring (34) is provided on the movable seat plate (35).

8. A low voltage distribution network fault repair and wiring device as claimed in claim 7, characterized in that: A fourth motor (31) is disposed at the bottom of the terminal plate (30), the output shaft of the fourth motor (31) is connected to a driving screw (33), a driving plate (36) is disposed at the bottom of the movable seat plate (35), and the driving screw (33) passes through the driving plate (36) and is threadedly connected thereto.

9. A low voltage distribution network fault repair and wiring device as claimed in claim 2, characterized in that: The lifting support (2) comprises a hydraulic rod (20) fixedly arranged on the base plate (1), the top end of the hydraulic rod (20) being connected to a side connection seat (21), and the side connection seat (21) being fixedly arranged on the outer side surface of the fixed outer plate (12).

10. A method for laying out a line for emergency repair of a low-voltage distribution network fault, using a low-voltage distribution network fault repair laying out device as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Move and fix the low-voltage distribution network fault emergency repair cable laying device to a designated operation position, adjust the overall height of the cable drum (6) by means of the lifting support (2), and adjust the orientation of the cable drum (6) by means of the rotating support (3) so that it can adapt to current operation requirements; S2, passing one end of the cable on the cable drum (6) through the guide ring (34) on the cable guide assembly (11), and driving the extension rod (8) to rotate through the third drive assembly (10), thereby adjusting the cable laying angle in the vertical direction; S3. The cable drum (6) is driven to rotate by the second driving component (7) so as to convey and release the cables thereon. Meanwhile, the position of the movable seat plate (35) and the guide ring (34) thereon can be adjusted by the fourth motor (31) so that the guide ring (34) can stably guide the cables according to the position of the cables on the cable drum (6) and the target position of the release.

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