CN216792414U

CN216792414U - Line fault finding device

Info

Publication number: CN216792414U
Application number: CN202121757232.3U
Authority: CN
Inventors: 胡羽翔; 许涛; 胡品健; 王静
Original assignee: Wuhan Zeta Electric Technology Co ltd
Current assignee: Wuhan Zeta Electric Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-06-21
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a line fault finding device, which comprises: the telescopic mechanism comprises a sleeve, a telescopic column and a limiting assembly, the telescopic column is connected in the sleeve in a sliding mode, slots are uniformly formed in the telescopic column, one end of the limiting assembly penetrates through the sleeve, and the other end of the limiting assembly is elastically inserted into the slots; the rotary clamping mechanism comprises a driving piece, two rotary pieces and two pincer-shaped chucks, the driving piece is slidably arranged in an inner cavity of the telescopic column, the thread output ends of the driving piece are respectively meshed with the thread rotating ends of the two rotary pieces, and the rotary pieces are rotationally connected with the pincer-shaped chucks; and the measuring assembly comprises two measuring heads, a processor and a display, wherein the two opposite surfaces of the two measuring heads are provided with wire fixing grooves, the measuring heads are fixedly connected with the pincerlike chuck, and the processor is electrically connected with the measuring heads and the display respectively. The utility model ensures that a user does not need to climb and search a fault line manually, and improves the safety of the device.

Description

Line fault finding device

Technical Field

The utility model relates to the technical field of power equipment, in particular to a line fault finding device.

Background

The electric leakage is the current leakage that arouses because insulation damage or other reasons, and the electric leakage will produce because there is certain potential difference between ground after certain reason communicates between electrical apparatus shell and the commercial power live wire, and the condition of tripping operation can take place when joining in marriage transformer substation district electric leakage, need use dedicated searching device when joining in marriage transformer substation district and seeking the electric leakage condition, however current searching device exists in case the circuit position is higher, just needs the manual work to climb the eminence and inspects, has the lower defect of security.

In order to solve the problems, the Chinese utility model patent with the publication number of CN204166086U discloses a multifunctional low-voltage line fault finder, which comprises a pincerlike current transformer, a data processor, a display device and a detachable operating rod, wherein the pincerlike current transformer, the data processor and the display device are electrically connected in sequence; the data processor comprises a data processor shell, and a signal converter, a signal amplification circuit and a display driving circuit which are arranged in the data processor shell, wherein a display device and a range conversion switch are arranged at the front end of the data processor shell; the data processor is detachably connected with the detachable operating rod.

To above-mentioned prior art, at first, if the gap undersize between the keeping silent of pincerlike current transformer, the difficult card of circuit is gone into pincerlike current transformer, if the gap is too big between its keeping silent, stability between circuit and the pincerlike current transformer is relatively poor, and secondly, does not give effectual solution to the security of artifical climbing eminence inspection circuit.

SUMMERY OF THE UTILITY MODEL

In view of this, a need exists for a line fault finding device, which solves the technical problems of poor stability of line clamping and low safety of manual height climbing inspection in the prior art.

In order to achieve the above technical object, a technical solution of the present invention provides a line fault finding apparatus, including:

the telescopic mechanism comprises a sleeve, a telescopic column and a limiting assembly, the telescopic column is connected in the sleeve in a sliding mode, a plurality of slots are uniformly formed in the telescopic column, one end of the limiting assembly penetrates through the sleeve, and the other end of the limiting assembly is elastically inserted into the slots;

the rotary clamping mechanism comprises a driving piece, two rotating pieces and two pincer-shaped chucks, the driving piece is arranged in the inner cavity of the telescopic column in a sliding mode, the thread output ends of the driving piece are respectively meshed with the thread rotating ends of the two rotating pieces, and the rotating pieces are in transmission connection with the pincer-shaped chucks; and

the measuring assembly comprises two measuring heads, a processor and a display, wherein two wire fixing grooves are formed in two opposite surfaces of the measuring heads, the measuring heads are fixedly connected with the pincer-shaped chuck, and the processor is respectively connected with the measuring heads and the display in an electric mode.

Furthermore, the limiting assembly comprises an inserting rod, a limiting plate and a first compression spring, one end of the inserting rod penetrates through the sleeve, the other end of the inserting rod is telescopically inserted into the inserting groove, the limiting plate is sleeved on the inserting rod, an accommodating cavity for accommodating the limiting plate is formed in the sleeve, and the first compression spring is elastically abutted to the cavity wall of the accommodating cavity and between the limiting plates.

Furthermore, the limiting assembly further comprises a limiting rod, the insert rod is sequentially provided with two limiting grooves along the inserting direction of the insert rod, the limiting rods can be elastically inserted into the two limiting grooves and respectively correspond to two states, when the insert rod is in a first state, the insert rod is inserted into the slot, and when the insert rod is in a second state, the insert rod is not inserted into the slot.

Furthermore, the inserted bar and the limiting rod are located at one end outside the sleeve and fixedly connected with a grabbing plate.

Furthermore, a second spring is elastically abutted between the grabbing plate of the limiting rod and the sleeve.

Furthermore, the driving part comprises a first helical gear, a second helical gear, a threaded column, a movable sleeve and two racks, a gear shaft of the first helical gear penetrates through the side wall of the telescopic column in a sliding manner, the first helical gear is meshed with the second helical gear, a middle shaft of the second helical gear is fixedly connected with the threaded column, one end of the threaded column is in threaded connection with the movable sleeve, the other end of the threaded column is rotatably connected with the cavity wall of an inner cavity of the telescopic column, the movable sleeve is far away from two sides of one end of the threaded column, which are respectively fixedly connected with the racks, and the racks are threaded output ends of the driving part.

Furthermore, a strip-shaped groove is formed in the sleeve, a gear shaft of the first bevel gear is slidably arranged in the strip-shaped groove, the gear shaft of the first bevel gear is fixedly connected with a rotating head, and the rotating head is located outside the sleeve.

Furthermore, the rotating part comprises two supports and two gears, the supports are rotationally connected with the gears, the gears are meshed with the racks, and the pincer-shaped chucks are fixedly installed on the side walls of the gears.

Further, the measuring head is a pincer-shaped current transformer.

Further, the processor and the display are both mounted on the sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the sleeve is connected with the telescopic column in a sliding manner, the telescopic column is uniformly provided with the plurality of slots, one end of the limiting component penetrates through the sleeve, and the other end of the limiting component is elastically inserted into the slots.

2. The utility model is arranged in the inner cavity of the telescopic column in a sliding way through the driving piece, the thread output end of the driving piece is respectively meshed with the thread rotating ends of the two rotating pieces, the rotating pieces are rotationally connected with the pincer-shaped chucks which are fixedly connected with the measuring heads, and the two opposite surfaces of the two measuring heads are respectively provided with the thread fixing grooves.

Drawings

Fig. 1 is a schematic structural diagram of a line fault finding apparatus according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a line fault locating device according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a position limiting assembly according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of the structure A of FIG. 2 according to the present invention;

in the figure: 1. the telescopic mechanism comprises a telescopic mechanism, 11 parts of a sleeve, 111 parts of a strip-shaped groove, 12 parts of a telescopic column, 121 parts of an inserting groove, 13 parts of a limiting component, 131 parts of an inserting rod, 132 parts of a limiting plate, 133 parts of a first compression spring, 134 parts of a limiting rod, 2 parts of a rotary clamping mechanism, 21 parts of a driving part, 211 parts of a first bevel gear, 212 parts of a second bevel gear, 213 parts of a threaded column, 214 parts of a moving sleeve, 215 parts of a rack, 22 parts of a rotating part, 221 parts of a support, 222 parts of a gear and 23 parts of a pincer-shaped chuck.

Detailed Description

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model/utility model and together with the description, serve to explain the principles of the utility model/utility model and do not limit the scope of the utility model/utility model.

As shown in fig. 1-2, the present invention provides a line fault finding apparatus, including: telescopic machanism 1, rotary clamping mechanism 2 and measuring component.

The telescopic mechanism 1 comprises a sleeve 11, a telescopic column 12 and a limiting component 13, wherein the telescopic column 12 is connected in the sleeve 11 in a sliding manner, a plurality of slots 121 are uniformly formed in the telescopic column 12, one end of the limiting component 13 penetrates through the sleeve 11, and the other end of the limiting component 13 is elastically inserted into the slots 121;

the rotary clamping mechanism 2 comprises a driving part 21, two rotating parts 22 and two pincer-shaped chucks 23, the driving part 21 is slidably arranged in an inner cavity of the telescopic column 12, the thread output ends of the driving part 21 are respectively meshed with the thread rotating ends of the two rotating parts 22, and the rotating parts 22 are in transmission connection with the pincer-shaped chucks 23;

the measuring assembly comprises two measuring heads, a processor and a display, wherein two wire fixing grooves are formed in two opposite surfaces of the measuring heads, the measuring heads are fixedly connected with the pincerlike chucks 23, and the processor is respectively electrically connected with the measuring heads and the display.

In this embodiment, the end of the position limiting component 13 is pulled out from the slot 121, and at this time, the telescopic column 12 slides and stretches in the sleeve 11 until the end of the position limiting component 13 is inserted into the next slot 121 again, the stretching amount of the telescopic column 12 can be adjusted to cope with fault lines with different heights by the above arrangement mode, and in addition, the arrangement mode that the end of the position limiting component 13 is elastically abutted to the slot 121 is adopted, so that the advantage of simple and convenient operation is achieved; then, the driving part 21 drives the left rotating part 22 and the right rotating part 22 to rotate, the two rotating parts 22 can drive the two pincerlike chucks 23 to rotate and approach, and further drive the measuring heads arranged on the left pincerlike chucks 23 to rotate until the circuit is clamped between the wire fixing grooves on the two measuring heads, and the processor can process the detected current signals and display the current signals through the display.

Further, as shown in fig. 3, the limiting component 13 includes an inserting rod 131, a limiting plate 132 and a first compression spring 133, one end of the inserting rod 131 passes through the sleeve 11, the other end of the inserting rod 131 is telescopically inserted into the insertion slot 121, the limiting plate 132 is sleeved on the inserting rod 131, a cavity for accommodating the limiting plate 132 is formed in the sleeve 11, and the first compression spring 133 elastically abuts between a cavity wall of the cavity and the limiting plate 132.

In this embodiment, the structure of the limiting component 13 is further limited, wherein the end of the inserting rod 131 is pulled, so that the inserting rod 131 can be drawn out and inserted into one end of the slot 121, the limiting plate 132 extrudes the first compression spring 133 during the pulling process, and only can move in the accommodating cavity, thereby avoiding the situation that the inserting rod 131 is drawn out of the sleeve 11 due to excessive force.

It should be noted that, when the inserting rod 131 is inserted into the inserting slot 121, the first compression spring 133 is still in a compressed state, and the inserting rod 131 and the limiting plate 132 are preferably an integral structure.

Still further, the limiting component 13 further includes a limiting rod 134, two limiting grooves are sequentially formed in the inserting rod 131 along the inserting direction, and the limiting rod 134 elastically abuts against the outer wall of the inserting rod 131 and can be inserted into the limiting grooves in a matched manner; the inserting rod 131 and the limiting rod 134 are fixedly connected with a grabbing plate at one end outside the sleeve 11; a second spring is elastically abutted between the grabbing plate of the limiting rod 134 and the sleeve 11.

In this embodiment, the structure of the limiting component 13 is further limited, one end of the limiting rod 134 is inserted into the limiting grooves, so that the inserting stability of the inserting rod 131 can be improved, meanwhile, the limiting rod 134 is elastically inserted into the two limiting grooves to correspond to two states respectively, when the limiting rod is in the first state, the inserting rod 131 is inserted into the inserting groove 121, when the limiting rod is in the second state, the inserting rod 131 is not inserted into the inserting groove 121, and in addition, the end portions of the inserting rod 131 and the limiting rod 134 are provided with the grabbing plates, so that the use convenience can be improved.

Furthermore, as shown in fig. 4, the driving member 21 includes a first bevel gear 211, a second bevel gear 212, a threaded column 213, a moving sleeve 214 and two racks 215, a gear shaft of the first bevel gear 211 slidably passes through a side wall of the telescopic column 12, the first bevel gear 211 is engaged with the second bevel gear 212, a central axis of the second bevel gear 212 is fixedly connected with the threaded column 213, one end of the threaded column 213 is connected with the moving sleeve 214 through a thread, the other end of the threaded column is rotatably connected with a cavity wall of an inner cavity of the telescopic column 12, two sides of one end of the moving sleeve 214 away from the threaded column 213 are respectively fixedly connected with the racks 215, and the racks 215 are threaded output ends of the driving member 21; the rotating member 22 comprises two brackets 221 and two gears 222, the brackets 221 are rotatably connected with the gears 222, the gears 222 are engaged with the racks 215, and the pincer-shaped clamps 23 are fixedly mounted on the side walls of the gears 222.

In addition, a strip-shaped groove 111 is formed in the sleeve 11, a gear shaft of the first bevel gear 211 is slidably disposed in the strip-shaped groove 111, a rotating head is fixedly connected to the gear shaft of the first bevel gear 211, and the rotating head is located outside the sleeve 11.

In this embodiment, the structure of the driving member 21 is further limited, by screwing the rotary head, the gear shaft of the first helical gear 211 is rotated, and further the second helical gear 212 engaged with the first helical gear 211 is rotated, since the second helical gear 212 is fixed to the threaded column 213, and further the threaded column 213 is rotated, the rotation of the threaded column 213 can drive the moving sleeve 214 to slide in the inner cavity of the telescopic column 12, and during the sliding process of the moving sleeve 214, the rack 215 mounted at one end thereof is engaged with the gear 222 for transmission, so that the gear 222 drives the pincer-shaped chuck 23 to rotate, and finally the clamping measurement of the line is completed.

It should be noted that the second bevel gear 212 and the threaded post 213 are preferably of a unitary construction, the moving sleeve 214 and the rack 215 are preferably of a unitary construction, the measuring head is preferably a current clamp-on transformer, and the processor and display are preferably mounted on the sleeve 11, wherein the processor is an ARM processor, preferably of the type ARM Cortex-A8.

According to the specific working process of the utility model, when the telescopic length is required to be adjusted according to the height of the circuit area, the insertion rod 131 is pulled out by pulling the grabbing plate and inserted into one end of the slot 121, the telescopic length of the telescopic column 12 is adjusted, and then the insertion rod 131 is inserted into the slot 121 again to lock the position of the telescopic column 12; when the fault line needs to be clamped and checked, the rotating head is screwed to drive the movable sleeve 214 to slide in the inner cavity of the telescopic column 12, so that the rack 215 and the gear are meshed for transmission, the two pincerlike chucks 23 are driven to respectively drive the line fixing grooves of the measuring head to clamp and detect the line to be detected, and when the line is clamped between the two line fixing grooves, the processor can process the detected current signal and display the current signal through the display.

The entire workflow is completed and the details not described in detail in this specification are well within the skill of those in the art.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention/utility model should be covered within the protection scope of the present invention/utility model.

Claims

1. A line fault finding apparatus, comprising:

2. The line troubleshooting device of claim 1, wherein the limiting component comprises an inserting rod, a limiting plate and a first compression spring, one end of the inserting rod penetrates through the sleeve, the other end of the inserting rod is telescopically inserted into the slot, the limiting plate is sleeved on the inserting rod, a containing cavity for containing the limiting plate is formed in the sleeve, and the first compression spring elastically abuts between a cavity wall of the containing cavity and the limiting plate.

3. The line troubleshooting device of claim 2, wherein the limiting component further comprises a limiting rod, the insert rod is sequentially provided with two limiting grooves along an inserting direction of the insert rod, and the limiting rod elastically abuts against an outer wall of the insert rod and can be inserted into the limiting grooves in a matched manner.

4. The line troubleshooting device of claim 3, wherein a grab plate is fixedly connected to each of the insertion rod and the limiting rod at an end outside the sleeve.

5. The line troubleshooting device of claim 4, wherein a second spring is elastically abutted between the catch plate of the limiting rod and the sleeve.

6. The line troubleshooting device of claim 5, wherein the driving member comprises a first helical gear, a second helical gear, a threaded post, a moving sleeve and two racks, a gear shaft of the first helical gear slides through a side wall of the telescopic post, the first helical gear is engaged with the second helical gear, a middle shaft of the second helical gear is fixedly connected with the threaded post, one end of the threaded post is in threaded connection with the moving sleeve, the other end of the threaded post is rotatably connected with a cavity wall of an inner cavity of the telescopic post, two sides of the moving sleeve away from one end of the threaded post are respectively and fixedly connected with the racks, and the racks are threaded output ends of the driving member.

7. The line troubleshooting device of claim 6, wherein a strip-shaped groove is formed in the sleeve, a gear shaft of the first helical gear is slidably disposed in the strip-shaped groove, a rotating head is fixedly connected to the gear shaft of the first helical gear, and the rotating head is located outside the sleeve.

8. The line troubleshooting apparatus of claim 7, wherein the rotary member includes two brackets and two gears, the brackets are rotatably connected to the gears, the gears are engaged with the racks, and the pincer-shaped clamps are fixedly mounted on side walls of the gears.

9. The line troubleshooting apparatus of claim 8, wherein the measurement head is a current clamp transformer.

10. The line troubleshooting apparatus of claim 9, wherein said processor and said display are both mounted on said sleeve, said processor being of the type ARM Cortex-A8.