CN213423374U

CN213423374U - Cable fault detector

Info

Publication number: CN213423374U
Application number: CN202022184342.7U
Authority: CN
Inventors: 钟建伟; 安颖坤; 葛桢甄; 周璨
Original assignee: Hubei University for Nationalities
Current assignee: Hubei University for Nationalities
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-11
Anticipated expiration: 2030-09-29

Abstract

The utility model provides a cable fault detector relates to power equipment technical field, including protecting sheathing and detector body, the top cap is installed to one side of protecting sheathing, and the inboard of top cap is provided with the recess, and the internally mounted of recess has two slide bars, and slidable mounting has two sliding plates on two slide bars, is provided with the lantern ring on every sliding plate, and the front end of detector body is close to top cap one side and is provided with the movable groove, and the inside movable mounting in movable groove has the sliding seat, is provided with electrode joint on the protecting sheathing inner wall, is provided with power socket on the protecting sheathing lateral wall. The utility model discloses well protecting sheathing plays fine protection to the detector body, and the size of the lantern ring can freely be adjusted to the cable conductor that adapts to different thicknesses, through the cooperation of sliding seat with the activity groove, make the contact between film and the connecting rod inseparable, whole utility model discloses simple structure, equipment is convenient for detect the cable of different length and thickness, detects the efficient of trouble, and is safe in utilization.

Description

Cable fault detector

Technical Field

The utility model relates to a power equipment technical field especially relates to a cable fault detector.

Background

The cable fault detector is a comprehensive cable fault detecting instrument. The device can test the high resistance flashover fault, high and low resistance grounding, short circuit, cable disconnection, poor contact and other faults of the cable.

In actual use, internal core breaking faults of the electric wires and cables often occur due to mechanical damage, insulation aging, load short circuit, quality defects and the like, particularly, the electric wires and cables which are connected with construction mechanical equipment and electric tools in building construction sites and industrial and mining enterprises are often moved due to poor use environment and are more easily damaged by external forces such as pulling, rolling, crushing, frequent bending and the like to cause core breaking faults, so that a cable detector is required for detecting the cables.

However, the existing detector still has certain defects when in use, although the existing detector can detect the dead pixel of the cable, the existing detector has longer length, and the lead of the detector cannot be connected to two ends of the cable, so that the detection of the long cable is more complicated, and the lead on the detector is easy to bend when being stored again, the lead is easy to damage after being bent for a long time, and the service life of the device is shortened.

Patent No. CN201721753887.7 discloses a cable fault detector, including box, top cap, recess, slide rail, electrode joint, handle, power source, control room, control panel, base, fixed plate, lantern ring, movable groove, dwang, thread clamping head, film, connection piece and spring. Because the base can be arranged in the movable groove in a rotating mode, although the conducting wire is not bent, the contact between the bottom plate and the connecting piece is unstable, poor contact between the bottom plate and the connecting piece is caused when the wire clamping head is pulled, the base rotates for a long time, the bottom plate and the connecting piece are seriously abraded, meanwhile, the lantern ring in the device cannot adapt to cables with different thicknesses, and when the cables slide between the two lantern rings, the two fixing plates and the lantern ring can also slide due to the fact that the fixing plates and the sliding rails are installed in a sliding mode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable fault detector to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: a cable fault detector comprises a protective shell and a detector body, wherein the detector body is fixedly arranged in the protective shell, a top cover is rotatably arranged on one side edge of the protective shell, a groove is formed in the inner side of the top cover, two sliding rods are horizontally and fixedly arranged in the groove, two sliding plates are slidably arranged on the two sliding rods, each sliding plate is provided with a lantern ring, the size of the lantern ring can be adjusted, a control panel is arranged at the upper end of the detector body, a movable groove is formed in one side, close to the top cover, of the front end of the detector body, a sliding seat is movably arranged in the movable groove, a wire clamp is arranged at the upper end of the sliding seat through a lead, a connecting rod is arranged in the vertical middle position of the lower end of the sliding seat, a film is arranged at the same vertical position of the bottom of the movable groove, limiting plates are arranged on two sides of the movable groove at the upper end of the detector body, the limiting plates are rotatably mounted on the rotating shaft, an electrode connector is arranged on the inner wall of the protective shell, and a power socket is arranged on the outer side wall of the protective shell. Through the setting of protecting sheathing and top cap, play fine guard action to the detector body, also make whole detector portable, cooperation through slide bar and sliding plate, it removes to drive two lantern rings, but the size of the lantern ring free adjustment, with the cable conductor of adaptation different thicknesses, cooperation through sliding seat and activity groove, change original rotation, make contact between film and the connecting rod inseparable, the not hard up and the bad condition of contact do not appear, through the setting of spring and limiting plate, the position of control sliding seat in the activity groove, thereby change the position relation between film and the connecting rod.

Preferably, the electrode joint is connected with the sliding rod, and the lantern ring, the sliding plate and the sliding rod are all made of conductor materials.

Preferably, the front side of the protective shell and the front side of the top cover are provided with fixing buckles, and the front side of the protective shell is provided with a handle.

Preferably, the top of the detector body is 3-4 cm lower than the upper edge of the protective shell. Through the sunken setting of top cap inboard, in addition the top of detector body is less than the protecting sheathing upper edge, when closing the top cap, also can not have energetically extrusion and bend to the wire on the sliding seat.

Preferably, the lantern ring includes the strap, the strap flexible, the one end fixed mounting of strap has the fixed block, and it is provided with the rectangular channel to run through downwards on the fixed block, the free end of strap passes the rectangular channel, and the activity is provided with the set screw on the lateral wall of fixed block, and the set screw runs through to the rectangular channel in, the lateral wall fixed mounting of strap on the sliding plate.

Preferably, the sliding plate is of a cuboid structure, round holes penetrate through the left side and the right side of the sliding plate, the round holes are in clearance fit with the sliding rod, screw holes are formed in the upper end of the sliding plate and the same vertical position of the round holes, and fixing bolts are arranged in the screw holes. Through the arrangement of the screw holes and the fixing bolts, the sliding plate and the sliding rod can be fixed, and the sliding plate is driven to slide along the sliding rod randomly when the cable slides in the lantern ring.

Preferably, the detector body, the control panel and the electrode connector are electrically connected with the power socket.

Preferably, the length of the spring is greater than the length of the connecting rod.

The utility model has the advantages that:

the utility model has the advantages that the protective casing and the top cover are arranged, the protective effect on the detector body is good, the whole detector is convenient to carry, the two lantern rings are driven to move by the matching of the sliding rod and the sliding plate, the size of the lantern rings can be freely adjusted to adapt to cables with different thicknesses, the original rotation is changed by the matching of the sliding seat and the movable groove, the contact between the film and the connecting rod is tight, the loosening and poor contact are avoided, the position of the sliding seat in the movable groove is controlled by the arrangement of the spring and the limiting plate, so that the position relation between the film and the connecting rod is changed, the fixing between the sliding plate and the sliding rod is realized by the arrangement of the screw hole and the fixing bolt, the sliding plate is prevented from sliding randomly along the sliding rod when the cables slide in the lantern rings, the whole utility model has simple structure and convenient operation, and the equipment is convenient to detect cables with different lengths, and the detection process is stable, the conditions of poor contact and unstable structure can not occur, the fault detection efficiency is high, and the use is safe.

Drawings

Fig. 1 is a schematic perspective view of a cable fault detector according to the present invention;

FIG. 2 is a sectional view of the movable trough of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 1 according to the present invention;

FIG. 4 is a schematic perspective view of the collar of the present invention;

FIG. 5 is a schematic view of the fixing block structure of the present invention;

reference numerals: 1-a protective housing; 2-detector body; 3-a top cover; 4-a groove; 5-a slide bar; 6-a sliding plate; 7-a collar; 701-a metal strip; 702-a fixed block; 703-a rectangular groove; 704-set screws; 8-a control panel; 9-a movable groove; 10-a sliding seat; 11-a wire clamp; 12-a connecting rod; 13-a negative; 14-a spring; 15-limiting plate; 16-an electrode joint; 17-power outlet; 18-round holes; 19-screw holes; 20-fixing the bolt.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, a cable fault detector comprises a protective casing 1 and a detector body 2, the detector body 2 is fixedly installed inside the protective casing 1, a top cover 3 is rotatably installed at one side of the protective casing 1, a groove 4 is arranged at the inner side of the top cover 3, two sliding rods 5 are horizontally and fixedly installed inside the groove 4, two sliding plates 6 are slidably installed on the two sliding rods 5, a lantern ring 7 is arranged on each sliding plate 6, the size of the lantern ring 7 is adjustable, a control panel 8 is arranged at the upper end of the detector body 2, a movable groove 9 is arranged at the front end of the detector body 2 close to one side of the top cover 3, a sliding seat 10 is movably installed inside the movable groove 9, a wire clamp 11 is installed at the upper end of the sliding seat 10 through a wire, a connecting rod 12 is arranged at the vertical middle position of the lower end of the sliding seat 10, a bottom, install spring 14 between the lower extreme left and right sides of sliding seat 10 and the activity groove 9 bottom, the upper end of detector body 2 is located activity groove 9 both sides and is provided with limiting plate 15, and limiting plate 15 rotates and installs in the axis of rotation, is provided with electrode joint 16 on the protective housing 1 inner wall, is provided with power socket 17 on the protective housing 1 lateral wall.

The working principle is as follows: when the fault of the cable needs to be detected, if the cable is long, the wire clamps 11 are fixedly installed and clamped on the two electrode connectors 16 respectively, then the two sliding plates 6 are moved, the distance between the two lantern rings 7 is changed, the radius of the lantern rings 7 is adjusted to the extent that the cable to be detected can slide in the lantern rings 7, then one end of the cable horizontally penetrates through the two lantern rings 7, the power supply of the power supply socket 17 is connected, the cable in the lantern rings 7 is pulled from right to left, and the signal is sent to a control room of the detector body 2 through the electrode connectors without stop, so that the fault point of the cable is detected;

when the fault of the cable is determined to be a small distance, the cable can be directly clamped at two ends of the cable through the cable clamp 11 for detection, the cable clamp 11 is connected with the sliding seat 10 through a conducting wire, when the cable is used, the sliding seat 10 is pressed downwards, the sliding seat 10 can move downwards in the movable groove 9 until the connecting rod 12 is communicated with the negative 13, the whole detection circuit is communicated, and finally the limiting plate 15 at the upper end of the movable groove 9 is rotated to block the upper end of the sliding seat 10, so that the connecting rod 12 and the negative 13 are tightly fixed together, and the specific fault point of the cable can be found out smoothly by moving the cable clamp 11; after the detection is finished, the limiting plate 15 is rotated 180 degrees, then the spring 14 can extend to drive the sliding seat 10 to slide upwards, the connecting rod 12 is not in contact with the bottom sheet 13 any more, then the wire clamp 11 and the conducting wire are picked up and put in a groove in the front of the detector body 2 in the protective shell 1 in order, and then the top cover 3 is closed.

Example 2

As shown in fig. 1-5, a cable fault detector comprises a protective casing 1 and a detector body 2, the detector body 2 is fixedly installed inside the protective casing 1, a top cover 3 is rotatably installed at one side of the protective casing 1, a groove 4 is arranged at the inner side of the top cover 3, two sliding rods 5 are horizontally and fixedly installed inside the groove 4, two sliding plates 6 are slidably installed on the two sliding rods 5, a lantern ring 7 is arranged on each sliding plate 6, the size of the lantern ring 7 is adjustable, a control panel 8 is arranged at the upper end of the detector body 2, a movable groove 9 is arranged at the front end of the detector body 2 close to one side of the top cover 3, a sliding seat 10 is movably installed inside the movable groove 9, a wire clamp 11 is installed at the upper end of the sliding seat 10 through a wire, a connecting rod 12 is arranged at the vertical middle position of the lower end of the sliding seat 10, a bottom, install spring 14 between the lower extreme left and right sides of sliding seat 10 and the activity groove 9 bottom, the upper end of detector body 2 is located activity groove 9 both sides and is provided with limiting plate 15, and limiting plate 15 rotates and installs in the axis of rotation, is provided with electrode joint 16 on the protective housing 1 inner wall, is provided with power socket 17 on the protective housing 1 lateral wall.

The lantern ring 7 comprises a metal belt 701, the metal belt 701 is bendable, a fixing block 702 is fixedly installed at one end of the metal belt 701, a rectangular groove 703 penetrates through the fixing block 702 downwards, the free end of the metal belt 701 penetrates through the rectangular groove 703, a fixing screw 704 is movably arranged on the outer side wall of the fixing block 702, the fixing screw 704 penetrates through the rectangular groove 703, and the outer side wall of the metal belt 701 is fixedly installed on the sliding plate 6.

The sliding plate 6 is of a cuboid structure, round holes 18 penetrate through the left side and the right side of the sliding plate 6, the round holes 18 are in clearance fit with the sliding rod 5, screw holes 19 are formed in the upper end of the sliding plate 6 and the same vertical position of the round holes 18, and fixing bolts 20 are arranged in the screw holes 19.

The working principle is as follows: when the size of the lantern ring 7 is adjusted, the metal belt 701 penetrates through the rectangular groove 703 on the fixing block 702, then the metal belt 701 is pulled according to needs, when a circle surrounded by the metal belt 701 meets requirements, the fixing screw 704 is screwed, and the metal belt 701 is tightly fixed in the rectangular groove 703 by the fixing screw 704;

when adjusting the distance between two lantern rings 7, through the cooperation of round hole 18 and slide bar 5 for sliding plate 6 can slide wantonly on slide bar 5, and after the regulation, screw up fixing bolt 20 in screw 19, fixing bolt 20's extreme point with tightly contact with slide bar 5, accomplish fixedly, when preventing that the cable from sliding in two lantern rings 7, because the effect of friction, drive sliding plate 6 and slide on slide bar 5.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cable fault detector, includes protecting sheathing (1) and detector body (2), its characterized in that:

the detector body (2) is fixedly arranged in the protective shell (1), one side edge of the protective shell (1) is rotatably provided with a top cover (3), the inner side of the top cover (3) is provided with a groove (4), the inside of the groove (4) is horizontally and fixedly provided with two sliding rods (5), the two sliding rods (5) are slidably provided with two sliding plates (6), each sliding plate (6) is provided with a lantern ring (7), the size of the lantern ring (7) is adjustable, the upper end of the detector body (2) is provided with a control panel (8), one side of the front end of the detector body (2), which is close to the top cover (3), is provided with a movable groove (9), the inside of the movable groove (9) is movably provided with a sliding seat (10), the upper end of the sliding seat (10) is provided with a wire clamp (11) through a wire, and the lower end of the sliding, the bottom of activity groove (9) is provided with film (13) with the vertical same position of connecting rod (12), install spring (14) between the lower extreme left and right sides of sliding seat (10) and activity groove (9) bottom, the upper end of detector body (2) is located activity groove (9) both sides and is provided with limiting plate (15), and limiting plate (15) rotate to be installed in the axis of rotation, is provided with electrode joint (16) on protecting sheathing (1) inner wall, be provided with power socket (17) on protecting sheathing (1) lateral wall.

2. The cable fault detector of claim 1, wherein: the electrode joint (16) is connected with the sliding rod (5), and the lantern ring (7), the sliding plate (6) and the sliding rod (5) are all made of conductor materials.

3. The cable fault detector of claim 1, wherein: the front side of the protective shell (1) and the front side of the top cover (3) are provided with fixing buckles, and the front side of the protective shell (1) is provided with a handle.

4. The cable fault detector of claim 1, wherein: the top of the detector body (2) is 3-4 cm lower than the upper edge of the protective shell (1).

5. The cable fault detector of claim 1, wherein: the lantern ring (7) comprises a metal belt (701), the metal belt (701) is bendable, a fixing block (702) is fixedly mounted at one end of the metal belt (701), a rectangular groove (703) penetrates through the fixing block (702) downwards, the free end of the metal belt (701) penetrates through the rectangular groove (703), a fixing screw (704) is movably arranged on the outer side wall of the fixing block (702), the fixing screw (704) penetrates through the rectangular groove (703), and the outer side wall of the metal belt (701) is fixedly mounted on the sliding plate (6).

6. The cable fault detector of claim 1, wherein: the sliding plate (6) is of a cuboid structure, round holes (18) penetrate through the left side and the right side of the sliding plate (6), the round holes (18) are in clearance fit with the sliding rod (5), screw holes (19) are formed in the upper end of the sliding plate (6) and the round holes (18) in the same vertical position, and fixing bolts (20) are arranged in the screw holes (19).

7. The cable fault detector of claim 1, wherein: the detector body (2), the control panel (8) and the electrode joint (16) are electrically connected with the power socket (17).

8. The cable fault detector of claim 1, wherein: the length of the spring (14) is greater than that of the connecting rod (12).