CN114019315A

CN114019315A - Distribution network ground fault positioning device

Info

Publication number: CN114019315A
Application number: CN202111400359.4A
Authority: CN
Inventors: 徐展; 曹军帅; 胡文超; 黄贵; 束磊
Original assignee: MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-02-08

Abstract

The invention relates to the field of power grid maintenance, in particular to a power distribution network ground fault positioning device, wherein a winding pipe and a base are fixedly arranged on the base, the base is positioned in the winding pipe, a rotating mechanism is arranged on the base and the winding pipe, a motor is fixedly arranged on the base, a cover plate is fixedly arranged on the winding pipe, an output shaft of the motor penetrates through the cover plate and is fixedly connected with a rotating shaft, a driving gear is slidably clamped on the rotating shaft, a gear ring is fixedly arranged on the cover plate, a ring piece is rotatably arranged on the rotating shaft, a connecting frame is fixedly arranged on one side of the ring piece, a driven gear is fixedly arranged at the lower end of the connecting frame, a first bevel gear is rotatably arranged on the connecting frame, a cross rod is fixedly arranged on one side of the first bevel gear, one end of an electric wire is fixed on a cross rod when the power distribution network ground fault positioning device is used, the cross rod is rotated by the rotating mechanism so as to wind the electric wire on the winding pipe, is convenient to receive and release, is more convenient to use, and avoids the trouble of wire arrangement.

Description

Distribution network ground fault positioning device

Technical Field

The invention relates to the field of power grid maintenance, in particular to a power distribution network ground fault positioning device.

Background

The electric power generation has brought huge facility for people's life, is showing the quality of life that improves people, and power transmission can not leave the distribution network, in actual operation, because environmental impact and the ageing problem of circuit easily lead to the distribution network earth fault to appear, in the maintenance, needs in time fix a position the fault location, however, during the detection, the electric wire length demand differs, needs the people to arrange in order and receive and release, to current problem, provides a distribution network earth fault positioner.

Disclosure of Invention

The invention aims to solve the defect that wires need to be manually sorted and collected during detection in the prior art, and provides a distribution network ground fault positioning device.

In order to achieve the purpose, the invention adopts the following technical scheme:

the ground fault positioning device for the power distribution network is designed and comprises a base and a rotating mechanism, and is characterized in that a winding pipe and a base are fixedly arranged on the base, the base is positioned in the winding pipe, and the rotating mechanism is arranged on the base and the winding pipe;

the rotary mechanism comprises a motor, a cover plate, a driving gear, a gear ring, a ring-shaped piece, a connecting frame, a driven gear, a first bevel gear and a transverse rod, the motor is fixedly installed on the base, the cover plate is fixedly installed on the winding pipe, the motor output shaft penetrates through the rotating shaft of the cover plate fixedly connected with, the driving gear is in sliding clamping connection with the rotating shaft, the gear ring is fixedly installed on the cover plate, the ring-shaped piece is rotatably installed on the rotating shaft, the connecting frame is fixedly installed on one side of the ring-shaped piece, the driven gear is fixedly installed at the lower end of the connecting frame, the first bevel gear is rotatably installed on the connecting frame, and the transverse rod is fixedly installed on one side of the first bevel gear.

Preferably, the bevel gear mechanism further comprises a swinging mechanism, the swinging mechanism is installed on the base and the rotating shaft, and the swinging mechanism is matched with the first bevel gear.

Preferably, the swing mechanism comprises a telescopic rod, a second bevel gear and an auxiliary part, the telescopic rod is fixedly installed on the base, the telescopic end of the telescopic rod penetrates through the cover plate, the second bevel gear is fixedly installed at the top end of the rotating shaft, the second bevel gear is in meshing transmission with the first bevel gear, the auxiliary part is fixedly installed at the top end of the telescopic rod, a bearing is arranged in the auxiliary part, the auxiliary part is rotatably connected with the driving gear through the bearing, and the rotating shaft penetrates through the bearing.

Preferably, the device further comprises an auxiliary mechanism, and the auxiliary mechanism is installed at one end of the cross rod.

Preferably, the auxiliary mechanism comprises an auxiliary frame, two buckling pieces and two test pencil, the auxiliary frame is fixedly installed at one end of the cross rod, the two buckling pieces are respectively installed on the outer side of the auxiliary frame in a hinged mode, and the two test pencil is respectively clamped on the buckling pieces.

The grounding fault positioning device for the power distribution network, provided by the invention, has the beneficial effects that:

through setting up winding pipe, rotary mechanism, during the use, fix electric wire one end on the horizontal pole, make the horizontal pole rotate through rotary mechanism to twine the electric wire on the winding pipe, be convenient for receive and release, it is more convenient to use, avoids the electric wire arrangement vexation.

Drawings

Fig. 1 is a schematic structural view of a power distribution network ground fault positioning device according to the present invention.

Fig. 2 is a schematic side view of a distribution network ground fault positioning device according to the present invention.

Fig. 3 is a schematic partial sectional structural diagram of a distribution network ground fault positioning device according to the present invention.

Fig. 4 is a schematic structural diagram of a swing mechanism of a power distribution network ground fault positioning device according to the present invention.

In the figure: the test pencil comprises a base 1, a universal wheel 2, a winding pipe 3, a rotating mechanism 4, a motor 41, a cover plate 42, a driving gear 43, a gear ring 44, a ring-shaped member 45, a connecting frame 46, a driven gear 47, a first bevel gear 48, a cross rod 49, a swinging mechanism 5, a telescopic rod 51, a second bevel gear 52, an auxiliary member 53, an auxiliary mechanism 6, an auxiliary frame 61, a fastener 62, a test pencil 63 and a base 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-4, a distribution network ground fault positioning device comprises a base 1 and a rotating mechanism 4, wherein a winding pipe 3 and a base 7 are fixedly installed on the base 1, the base 7 is located in the winding pipe 3, the rotating mechanism 4 is installed on the base 1 and the winding pipe 3, and universal wheels 2 are fixedly installed at four corners of the lower surface of the base 1, so that the device can be moved conveniently.

The rotating mechanism 4 comprises a motor 41, a cover plate 42, a driving gear 43, a gear ring 44, a ring piece 45, a connecting frame 46, a driven gear 47, a first bevel gear 48 and a cross rod 49, wherein the motor 41 is fixedly arranged on the base 7, the cover plate 42 is fixedly arranged on the winding pipe 3, an output shaft of the motor 41 penetrates through the cover plate 42 and is fixedly connected with a rotating shaft, the driving gear 43 is slidably clamped on the rotating shaft, the driving gear 43 is clamped with the rotating shaft in a key connection mode, a key groove is formed in the driving gear 43, a key is fixedly arranged on the rotating shaft, the key is matched with the key groove to enable the driving gear 43 to slide up and down on the rotating shaft, the gear ring 44 is fixedly arranged on the cover plate 42, the ring piece 45 is rotatably arranged on the rotating shaft, the connecting frame 46 is fixedly arranged on one side of the ring piece 45, the driven gear 47 is fixedly arranged at the lower end of the connecting frame 46, the driving gear 43, the driven gear 47 and the gear ring 44 are in meshing transmission, the first bevel gear 48 is rotatably arranged on the connecting frame 46, horizontal pole 49 fixed mounting is in first bevel gear 48 one side, and motor 41 drives driving gear 43 and rotates, through driving gear 43, driven gear 47, ring gear 44 meshing transmission, make horizontal pole 49 rotate, through setting up winding pipe 3, rotary mechanism 4, during the use, fix electric wire one end on horizontal pole 49, make horizontal pole 49 rotate through rotary mechanism 4, so that twine the electric wire on winding pipe 3, be convenient for receive and release, it is more convenient to use, avoid the electric wire arrangement vexation.

Example 2

According to embodiment 1, the cross bar 49 is rotated by the rotating mechanism 4 in embodiment 1, so as to wind the electric wire on the winding pipe 3, so as to be convenient for winding and unwinding, however, in the actual grid fault detection, an electrician has a safety hazard by direct manual detection without confirming a specific fault position, referring to fig. 1-4, as another preferred embodiment of the invention, on the basis of embodiment 1, the invention further comprises a swinging mechanism 5, wherein the swinging mechanism 5 is installed on the base 7 and the rotating shaft, and the swinging mechanism 5 is matched with the first bevel gear 48.

Swing mechanism 5 includes telescopic link 51, second bevel gear 52, auxiliary member 53, telescopic link 51 fixed mounting is on base 7, the apron 42 is run through to the flexible end of telescopic link 51, second bevel gear 52 fixed mounting is on the pivot top, second bevel gear 52 and the meshing transmission of first bevel gear 48, auxiliary member 53 fixed mounting is on the flexible end top of telescopic link 51, be provided with the bearing in the auxiliary member 53, auxiliary member 53 rotates with driving gear 43 through the bearing and is connected, the bearing is passed in the pivot, telescopic link 51 is electric telescopic handle, telescopic link 51 is through auxiliary member 53 control driving gear 43 lift, make driving gear 43 and driven gear 47 break away from or mesh the transmission.

Still include complementary unit 6, complementary unit 6 installs in horizontal pole 49 one end, complementary unit 6 includes auxiliary frame 61, two buckle spare 62, two test pencil 63, auxiliary frame 61 fixed mounting is in horizontal pole 49 one end, and two buckle spare 62 articulate respectively and install in the auxiliary frame 61 outside, and two test pencil 63 block respectively are established on buckle spare 62, and test pencil 63 connects the electric wire, can replace the manual operation of people on buckle spare 62, also can take off test pencil 63, and manual detection.

Working principle; when the electric wire needs to be wound and unwound, the telescopic rod 51 controls the driving gear 43 to descend through the auxiliary piece 53, the driving gear 43 and the driven gear 47 are in meshed transmission, the motor 41 operates at the moment, the driving gear 43 rotates, the driven gear 47 rotates around the driving gear 43, the cross rod 49 is driven to rotate to wind and unwind the electric wire, when the specific position facing a fault is uncertain, the environment is complex, and the potential safety hazard is large, the telescopic rod 51 controls the driving gear 43 to ascend through the auxiliary piece 53, the driving gear 43 is separated from the driven gear 47, the motor 41 operates at the moment, through meshed transmission of the first bevel gear 48 and the second bevel gear 52, the cross rod 49 swings within a range of one hundred and eighty degrees, and the manual fault positioning is replaced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A distribution network ground fault positioning device comprises a base (1) and a rotating mechanism (4), and is characterized in that a winding pipe (3) and a base (7) are fixedly installed on the base (1), the base (7) is located in the winding pipe (3), and the rotating mechanism (4) is installed on the base (1) and the winding pipe (3);

the rotating mechanism (4) comprises a motor (41), a cover plate (42), a driving gear (43), a gear ring (44), a ring-shaped piece (45), a connecting frame (46), a driven gear (47), a first bevel gear (48) and a cross rod (49), wherein the motor (41) is fixedly arranged on the base (7), the cover plate (42) is fixedly arranged on the winding pipe (3), an output shaft of the motor (41) penetrates through the cover plate (42) and is fixedly connected with a rotating shaft, the driving gear (43) is in sliding clamping connection with the rotating shaft, the gear ring (44) is fixedly arranged on the cover plate (42), the ring-shaped piece (45) is rotatably arranged on the rotating shaft, the connecting frame (46) is fixedly arranged on one side of the ring-shaped piece (45), the driven gear (47) is fixedly arranged at the lower end of the connecting frame (46), and the first bevel gear (48) is rotatably arranged on the connecting frame (46), the cross rod (49) is fixedly arranged on one side of the first bevel gear (48).

2. The distribution network ground fault locating device of claim 1, characterized by further comprising a swing mechanism (5), wherein the swing mechanism (5) is installed on the base (7) and the rotating shaft, and the swing mechanism (5) is matched with the first bevel gear (48).

3. The distribution network ground fault locating device according to claim 2, characterized in that the swing mechanism (5) includes a telescopic rod (51), a second bevel gear (52), and an auxiliary member (53), the telescopic rod (51) is fixedly installed on the base (7), the telescopic end of the telescopic rod (51) penetrates through the cover plate (42), the second bevel gear (52) is fixedly installed at the top end of the rotating shaft, the second bevel gear (52) is in meshing transmission with the first bevel gear (48), the auxiliary member (53) is fixedly installed at the top end of the telescopic rod (51), a bearing is arranged in the auxiliary member (53), the auxiliary member (53) is rotatably connected with the driving gear (43) through a bearing, and the rotating shaft penetrates through the bearing.

4. A distribution network earth fault location device according to claim 1, characterized in that it further comprises an auxiliary mechanism (6), said auxiliary mechanism (6) being mounted at one end of said cross bar (49).

5. The distribution network ground fault positioning device according to claim 4, characterized in that the auxiliary mechanism (6) comprises an auxiliary frame (61), two fasteners (62) and two test pencil (63), wherein the auxiliary frame (61) is fixedly installed at one end of the cross bar (49), the two fasteners (62) are respectively hinged to the outer side of the auxiliary frame (61), and the two test pencil (63) are respectively clamped on the fasteners (62).