CN216622564U

CN216622564U - Novel quick location of distribution network single-phase earth fault device

Info

Publication number: CN216622564U
Application number: CN202122968193.8U
Authority: CN
Inventors: 杨伟
Original assignee: Hangzhou Jiedian Technology Co ltd
Current assignee: Hangzhou Jiedian Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-27
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a novel power distribution network single-phase earth fault rapid positioning device which comprises a bottom plate, wherein a containing box is fixedly arranged at the top end of the bottom plate, and a rectangular through hole is vertically formed in the top end of the containing box; a vertically arranged installation box is fixedly installed in the middle of the top end of the bottom plate on one side of the containing box; a horizontally arranged partition plate is fixedly connected inside the containing box, a baffle plate is arranged inside the mounting box, horizontally arranged bearings are fixedly arranged at the top end inside the mounting box and in the circular through hole, the top end of the threaded rod is fixedly connected with an inner ring of the bearing at the top of the mounting box, and the bottom end of the threaded rod is fixedly connected with an inner ring of the bearing in the baffle plate; the bottom of the driving cavity and the bottom of the mounting box are provided with driving components; a circular cavity is transversely arranged in the rectangular supporting plate, and a clamping assembly is arranged in the circular cavity; the utility model has simple structure, is convenient for the lifting of the instrument through the driving component, and is convenient for clamping and fixing according to the size of the instrument through the clamping component.

Description

Novel quick location of distribution network single-phase earth fault device

Technical Field

The utility model relates to the technical field of convenient maintenance of a power distribution network, in particular to a novel rapid positioning device for single-phase earth faults of the power distribution network.

Background

The power distribution network is a power network which receives electric energy from a power transmission network or a regional power plant, distributes the electric energy to various users on site through power distribution facilities or distributes the electric energy to various users step by step according to voltage, and consists of an overhead line, a cable, a pole tower, a power distribution transformer, an isolating switch, a reactive compensator, a plurality of accessory facilities and the like; the power distribution network has complex lines and is difficult to detect and position after a fault occurs; according to data statistics, most of power failure accidents suffered by users are basically caused by power distribution network faults; therefore, the method has the advantages that the fault position of the power distribution network is accurately positioned, and the method has very important significance for timely isolating and repairing the fault and improving the power supply reliability; the existing fault detection device for the one-way grounding wire of the power distribution network is inconvenient for workers to use or store, the existing instrument fixing device cannot be clamped and fixed according to the size of the instrument, and the instrument with large volume cannot be moved when the workers use the device conveniently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect of poor practicability in the prior art, and provides a novel rapid positioning device for single-phase earth faults of a power distribution network.

In order to achieve the purpose, the utility model adopts the following technical scheme: the novel rapid positioning device for the single-phase earth fault of the power distribution network comprises a bottom plate, wherein the bottom plate is a horizontally arranged rectangular plate, a containing box is fixedly arranged at the top end of the bottom plate, and a rectangular through hole is vertically formed in the top end of the containing box; a vertically arranged installation box is fixedly installed in the middle of the top end of the bottom plate on one side of the containing box; the inner part of the containing box is fixedly connected with a transverse partition plate, the inner part of the containing box is divided into an upper containing cavity and a lower driving cavity by the partition plate, a baffle plate is arranged in the installation box, a circular through hole is formed in the middle of the baffle plate, bearings which are horizontally arranged are fixedly installed at the top end of the inner part of the installation box and in the circular through hole, a threaded rod is vertically arranged in the installation box, the top end of the threaded rod is fixedly connected with the inner ring of the bearing at the top of the installation box, and the bottom end of the threaded rod is fixedly connected with the inner ring of the bearing in the baffle plate; the bottom of the driving cavity and the bottom of the mounting box are provided with driving components; a strip-shaped through hole is vertically formed in one side of the containing cavity, a strip-shaped sliding groove is vertically formed in the other side of the containing cavity, and an oval sliding block is slidably mounted in the strip-shaped sliding groove; the storage cavity is internally and horizontally provided with a rectangular supporting plate, a circular cavity is transversely arranged in the rectangular supporting plate, and a clamping assembly is arranged in the circular cavity.

Preferably, a rectangular clamping plate is movably mounted at the top end of the rectangular supporting plate, a strip-shaped opening is formed in the middle of the top end of the rectangular supporting plate along the length direction, and the strip-shaped opening is communicated with the circular cavity.

Preferably, clamping components includes guide bar, first sleeve pipe and reset spring, the guide bar transverse fixation is in circular cavity the equal slip cover in middle part both sides of the guide bar body of rod is equipped with first sleeve pipe, two all the cover is equipped with reset spring, every on the body of rod of the guide bar in the first sleeve pipe outside reset spring's one end all with the inner wall fixed connection of containing box, every reset spring's the other end all with first sheathed tube outer end fixed connection.

Preferably, the middle part of the tube body of each first sleeve is fixedly connected with a connecting rod which is vertically arranged, the top end of each connecting rod extends out of the strip-shaped opening and is fixedly connected with the middle part of the top end of each clamping plate, and a one-way ground wire fault locator is clamped between the clamping plates; and a reel is fixedly connected to the outer wall of the clamping plate on one side of the top end of the storage box.

Preferably, the driving assembly comprises a storage battery, a motor, driving bevel gears and driven bevel gears, the motor is fixedly installed at the bottom of one side of the driving cavity, the storage battery is fixedly installed at the bottom of the other side of the driving cavity, one end of a rotating shaft of the motor penetrates through the bottom of the mounting box, and the driving bevel gears which are vertically arranged are fixedly connected to one end of the rotating shaft, which is located in the mounting box; the bottom of threaded rod extends into the cavity of baffle bottom the bottom fixedly connected with of threaded rod transversely sets up passive awl tooth, initiative awl tooth and passive awl tooth meshing transmission.

Preferably, a threaded sleeve is sleeved on the rod body of the threaded rod, a round rod transversely arranged is fixedly connected to the body of the threaded sleeve, one end of the round rod penetrates into the containing cavity from the strip-shaped through hole, and the end of the round rod located in the containing cavity is fixedly connected with the sliding block; the two sides of the middle part of the round rod body are fixedly sleeved with second sleeves; the two sides of the middle part of the bottom end of the rectangular supporting plate are fixedly connected with supporting rods which are vertically arranged, and the bottom ends of the supporting rods are fixedly connected with the middle parts of the two second sleeve pipes respectively.

Preferably, the four corners of the bottom end surface of the bottom plate are fixedly connected with movable wheels, one side of the installation box is fixedly connected with a U-shaped handle, and one side of the top of the installation box is fixedly provided with a control switch.

Compared with the prior art, the utility model has the beneficial effects that: in the utility model, the connecting rod at the bottom of the clamping plate is driven by sliding the clamping plate outwards, the first sleeve is driven by the connecting rod to extrude the return spring, and after the clamping plate is loosened, the instrument is conveniently clamped by the clamping plate under the action of the elastic force of the return spring; the clamping assembly in the rectangular supporting plate is convenient for clamping and fixing according to the size of the instrument when the unidirectional grounding wire fault locator is placed; through the lift of drive assembly regulation rectangle layer board of being convenient for, through the lift of rectangle layer board, the instrument of being convenient for receive and releases in the containing box, increases the safety protection to the instrument through the containing box, and the staff of being convenient for uses the detection fast when overhauing the trouble of distribution network, increases the efficiency of work.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

fig. 1 is a schematic overall cross-sectional structure diagram of a novel power distribution network single-phase earth fault quick positioning device provided by the utility model;

fig. 2 is an enlarged structural schematic diagram of a local clamping assembly of the novel power distribution network single-phase earth fault quick positioning device provided by the utility model;

fig. 3 is an enlarged structural schematic diagram of a driving assembly of the novel power distribution network single-phase earth fault rapid positioning device provided by the utility model;

fig. 4 is a schematic structural view of one side of a strip-shaped chute inside a storage box of the novel rapid positioning device for single-phase earth faults of a power distribution network provided by the utility model;

number in the figure: the device comprises a bottom plate 1, an installation box 2, a storage box 3, a partition plate 4, a threaded rod 5, a threaded sleeve 6, a driving assembly 7, a storage battery 8, a motor 9, driving bevel teeth 10, driving bevel teeth 11, a rectangular supporting plate 12, a clamping assembly 13, a guide rod 14, a first sleeve 15, a return spring 16, a connecting rod 17, a clamping plate 18, a reel 19, a round rod 20, a second sleeve 21, a strip-shaped chute 22, a sliding block 23, a one-way ground wire fault locator 24 and a moving wheel 25.

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 (b): referring to fig. 1-4, the novel power distribution network single-phase earth fault quick positioning device comprises a bottom plate 1, wherein the bottom plate 1 is a horizontally arranged rectangular plate, a containing box 3 is fixedly installed at the top end of the bottom plate 1, and a rectangular through hole is vertically formed in the top end of the containing box 3; a vertically arranged installation box 2 is fixedly installed in the middle of the top end of the bottom plate 1 on one side of the storage box 3; a transversely arranged partition plate 4 is fixedly connected inside the containing box 3, the inside of the containing box 3 is divided into an upper part which is a containing cavity and a lower part which is a driving cavity through the partition plate 4, a baffle plate is arranged inside the installation box 2, a circular through hole is formed in the middle of the baffle plate, horizontally arranged bearings are fixedly installed at the top end inside the installation box 2 and in the circular through hole, a threaded rod 5 is vertically arranged inside the installation box 2, the top end of the threaded rod 5 is fixedly connected with an inner ring of a bearing at the top of the installation box 2, and the bottom end of the threaded rod 5 is fixedly connected with an inner ring of the bearing in the baffle plate; a driving assembly 7 is arranged at the bottom of the driving cavity and the bottom of the mounting box 2; a strip-shaped through hole is vertically formed in one side of the containing cavity, a strip-shaped sliding groove 22 is vertically formed in the other side of the containing cavity, and an oval sliding block 23 is slidably mounted in the strip-shaped sliding groove 22; a rectangular supporting plate 12 is horizontally arranged in the containing cavity, a circular cavity is transversely arranged in the rectangular supporting plate 12, and a clamping assembly 13 is arranged in the circular cavity.

In the utility model, a rectangular clamping plate 18 is movably arranged at the top end of the rectangular supporting plate 12, a strip-shaped opening is arranged in the middle of the top end of the rectangular supporting plate 12 along the length direction, and the strip-shaped opening is communicated with the circular cavity; the clamping assembly 13 comprises a guide rod 14, first sleeves 15 and reset springs 16, the guide rod 14 is transversely fixed in a circular cavity, the first sleeves 15 are slidably sleeved on two sides of the middle of a rod body of the guide rod 14, the reset springs 16 are sleeved on rod bodies of the guide rod 14 on the outer sides of the two first sleeves 15, one end of each reset spring 16 is fixedly connected with the inner wall of the containing box 3, and the other end of each reset spring 16 is fixedly connected with the outer end of the first sleeve 15; a connecting rod 17 which is vertically arranged is fixedly connected to the middle of the tube body of each first sleeve 15, the top end of each connecting rod 17 extends out of the strip-shaped opening and is fixedly connected with the middle of the top end of each clamping plate 18, a one-way ground wire fault locator 24 is clamped between the clamping plates 18, and the model of the one-way ground wire fault locator 24 is LFC-III; the connecting rod 17 at the bottom of the clamping plate 18 is driven by sliding the clamping plate 18 outwards, the first sleeve 15 is driven by the connecting rod 17 to extrude the return spring 16, and after the clamping plate 18 is loosened, the instrument is conveniently clamped by the clamping plate 18 under the action of the elastic force of the return spring 16; a reel 19 is fixedly connected to the outer wall of the clamping plate 18 on the top end side of the storage box 3, and a lead used for detecting faults of the instrument can be conveniently taken up and down through the reel 19.

In the utility model, the driving assembly 7 comprises a storage battery 8, a motor 9, driving bevel teeth 10 and driven bevel teeth 11, the motor 9 is fixedly arranged at the bottom of one side of a driving cavity, the storage battery 8 is fixedly arranged at the bottom of the other side of the driving cavity, one end of a rotating shaft of the motor 9 penetrates through the bottom of the mounting box 2, and the driving bevel teeth 10 which are vertically arranged are fixedly connected at one end of the rotating shaft, which is positioned in the mounting box 2; the bottom of threaded rod 5 extends into in the cavity of baffle bottom the horizontal passive awl tooth 11 that sets up of bottom fixedly connected with of threaded rod 5, initiative awl tooth 10 and passive awl tooth meshing transmission through drive assembly 7, increase the safety protection to the instrument, the staff of being convenient for uses the detection fast when overhauing the trouble of distribution network, increases the efficiency of work.

In the utility model, a threaded sleeve 6 is sleeved on a rod body of the threaded rod 5, a round rod 20 transversely arranged is fixedly connected to a tube body of the threaded sleeve 6, one end of the round rod 20 penetrates into a containing cavity from a strip-shaped through hole, and one end of the round rod 20 positioned in the containing cavity is fixedly connected with a sliding block 23; the two sides of the middle part of the rod body of the round rod 20 are fixedly sleeved with second sleeves 21; two sides of the middle part of the bottom end of the rectangular supporting plate 12 are fixedly connected with vertically arranged supporting rods, and the bottom ends of the two supporting rods are respectively and fixedly connected with the middle parts of the pipe bodies of the two second sleeves 21; four corners of the bottom end surface of the bottom plate 1 are fixedly connected with moving wheels 25, so that the device is convenient to move and carry; one side fixedly connected with U type handle of install bin 2 is convenient for staff thrust unit through U type handle and is removed one side fixed mounting at install bin 2 top has control switch, is convenient for control motor 9's rotation through control switch.

When the unidirectional grounding wire fault locator 24 is used by a worker, the control switch controls the motor 9 to rotate in the forward direction to drive the driving bevel gear 10 to rotate, the driving bevel gear 10 and the driven bevel gear 11 are meshed with the transmission belt threaded rod 5 to rotate in the forward direction, the threaded sleeve 6 is driven to ascend through the forward rotation of the threaded rod, the round rod 20 is driven to ascend in the containing cavity through the ascending of the threaded sleeve 6, the supporting rod at the top of the second sleeve 21 is driven to ascend through the ascending of the round rod 20, the rectangular supporting plate 12 is driven to ascend through the ascending of the supporting rod, the rectangular opening at the top of the containing box 3 of the unidirectional grounding wire fault locator 24 is lifted out through the ascending of the rectangular supporting plate 12, the unidirectional grounding wire fault locator is convenient to operate and use by the worker, the clamping assembly 13 in the rectangular supporting plate 12 is convenient to clamp and fix the unidirectional grounding wire fault locator 24 according to the size of the instrument, the connecting rod 17 at the bottom of the clamping plate 18 is driven by sliding the clamping plate 18 outwards, the first sleeve 15 is driven by the connecting rod 17 to extrude the return spring 16, and after the clamping plate 18 is loosened, the instrument is conveniently clamped by the clamping plate 18 under the action of the elastic force of the return spring 16; after the use, through control switch counter rotation motor 9, then through in falling storage box 3 with one-way earth connection fault locator 24 with the same principle of forward rotation, increase the convenience that the instrument used to receive and release.

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 equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Novel quick positioner of distribution network single-phase earth fault, including bottom plate (1), its characterized in that: the bottom plate (1) is a horizontally arranged rectangular plate, a containing box (3) is fixedly arranged at the top end of the bottom plate (1), and a rectangular through hole is vertically formed in the top end of the containing box (3); a vertically arranged installation box (2) is fixedly installed in the middle of the top end of the bottom plate (1) on one side of the storage box (3); the inner part of the containing box (3) is fixedly connected with a transversely arranged partition plate (4), the inner part of the containing box (3) is divided into an upper part serving as a containing cavity and a lower part serving as a driving cavity through the partition plate (4), a baffle plate is arranged in the installation box (2), a circular through hole is formed in the middle of the baffle plate, horizontally arranged bearings are fixedly installed at the top end of the inner part of the installation box (2) and in the circular through hole, a threaded rod (5) is vertically arranged in the installation box (2), the top end of the threaded rod (5) is fixedly connected with an inner ring of a bearing at the top of the installation box (2), and the bottom end of the threaded rod (5) is fixedly connected with an inner ring of the bearing in the baffle plate; a driving assembly (7) is arranged at the bottom of the driving cavity and the bottom of the mounting box (2); a strip-shaped through hole is vertically formed in one side of the containing cavity, a strip-shaped sliding groove (22) is vertically formed in the other side of the containing cavity, and an oval sliding block (23) is installed in the strip-shaped sliding groove (22) in a sliding mode; the storage cavity is internally and horizontally provided with a rectangular supporting plate (12), a circular cavity is transversely arranged in the rectangular supporting plate (12), and a clamping assembly (13) is arranged in the circular cavity.

2. The novel distribution network single-phase earth fault rapid positioning device of claim 1, characterized in that: the top end of the rectangular supporting plate (12) is movably provided with a rectangular clamping plate (18), the middle part of the top end of the rectangular supporting plate (12) is provided with a strip-shaped opening along the length direction, and the strip-shaped opening is communicated with the circular cavity.

3. The novel distribution network single-phase earth fault quick positioning device of claim 1, characterized in that: clamping component (13) include guide bar (14), first sleeve pipe (15) and reset spring (16), guide bar (14) transverse fixation is in circular cavity the middle part both sides of the guide bar (14) body of rod all slide the cover and be equipped with first sleeve pipe (15), two all the cover is equipped with reset spring (16), every on the body of rod of guide bar (14) in the first sleeve pipe (15) outside the one end of reset spring (16) all with the inner wall fixed connection of containing box (3), every the other end of reset spring (16) all with the outer end fixed connection of first sleeve pipe (15).

4. The novel distribution network single-phase earth fault rapid positioning device of claim 3, characterized in that: the middle part of the tube body of each first sleeve (15) is fixedly connected with a connecting rod (17) which is vertically arranged, the top end of each connecting rod (17) extends out of the strip-shaped opening and is fixedly connected with the middle part of the top end of a clamping plate (18) respectively, and a one-way ground wire fault locator (24) is clamped between the clamping plates (18); a reel (19) is fixedly connected to the outer wall of the clamping plate (18) on one side of the top end of the containing box (3).

5. The novel distribution network single-phase earth fault rapid positioning device of claim 1, characterized in that: the driving assembly (7) comprises a storage battery (8), a motor (9), driving bevel gears (10) and driven bevel gears (11), the motor (9) is fixedly installed at the bottom of one side of the driving cavity, the storage battery (8) is fixedly installed at the bottom of the other side of the driving cavity, one end of a rotating shaft of the motor (9) penetrates through the bottom in the mounting box (2), and the driving bevel gears (10) which are vertically arranged are fixedly connected to one end, located in the mounting box (2), of the rotating shaft; the bottom of threaded rod (5) extends into the cavity of baffle bottom the bottom fixedly connected with of threaded rod (5) transversely sets up passive awl tooth (11), initiative awl tooth (10) and passive awl tooth meshing transmission.

6. The novel distribution network single-phase earth fault rapid positioning device of claim 1, characterized in that: a threaded sleeve (6) is sleeved on a rod body of the threaded rod (5), a round rod (20) which is transversely arranged is fixedly connected to a tube body of the threaded sleeve (6), one end of the round rod (20) penetrates into the accommodating cavity from the strip-shaped through hole, and one end, located in the accommodating cavity, of the round rod (20) is fixedly connected with a sliding block (23); a second sleeve (21) is fixedly sleeved on two sides of the middle part of the rod body of the round rod (20); the two sides of the middle part of the bottom end of the rectangular supporting plate (12) are fixedly connected with vertically arranged supporting rods, and the bottom ends of the supporting rods are fixedly connected with the middle parts of the pipe bodies of the two second sleeves (21) respectively.

7. The novel distribution network single-phase earth fault rapid positioning device of claim 1, characterized in that: the four corners of the bottom end face of the bottom plate (1) are fixedly connected with moving wheels (25), one side of the installation box (2) is fixedly connected with a U-shaped handle, and one side of the top of the installation box (2) is fixedly provided with a control switch.