CN111308273A

CN111308273A - Aging detection device for cable insulation layer

Info

Publication number: CN111308273A
Application number: CN202010176806.1A
Authority: CN
Inventors: 王曦
Original assignee: Wuxi Shuguang Cable Co Ltd
Current assignee: Wuxi Shuguang Cable Co Ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-06-19

Abstract

The invention discloses a cable insulation layer aging detection device, which relates to the field of cable detection devices and aims at solving the problem of difficult aging detection of cable insulation layers caused by scattered cable distribution and telegraph pole building and installation characteristics in the prior villages and towns. The multifunctional electric water heater is novel in structure, convenient to use and operate, wide in operation range, rich in functions and suitable for popularization.

Description

Aging detection device for cable insulation layer

Technical Field

The invention relates to the field of cable detection devices, in particular to a cable insulation layer aging detection device.

Background

The electric energy is the necessary energy for maintaining normal production and life of the society, and the use and transmission of the electric energy can not leave various cables, in order to ensure that the cables can work safely and effectively, the outer layer of most cables consists of a thick insulating layer, and the application range of the cables is determined to a great extent by the performance of the insulating layer.

The most adoption of cable in city buries the mode underground, and the civilian cable distribution of villages and towns is scattered relatively, generally uses the street to adopt the mode that the wire pole was built as the route, and there is more overlap joint line, the service life is a lot of and has never followed the inquiry, in case the ageing damage of cable insulation leads to the electric leakage, the consequence dare not imagine, consequently need a detection device who is applicable to the cable of villages and towns urgently, come to detect the ageing situation of insulation of cable in order to reach the purpose that prevention power accident took place, we have proposed a cable insulation layer ageing detection device.

Disclosure of Invention

The aging detection device for the cable insulation layer provided by the invention solves the problem of difficult aging detection of the cable insulation layer caused by scattered cable distribution in villages and towns and the characteristic of building and installing telegraph poles.

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

the utility model provides a cable insulation layer aging testing device, includes outer slide cartridge, the spout has been seted up on the top of outer slide cartridge, just slide in the spout and cup jointed interior slide cartridge, the bottom fixedly connected with lower limiting plate of interior slide cartridge, just the circumference outer wall of interior slide cartridge slides and has cup jointed the apron, the bottom and the outer slide cartridge fixed connection of apron, just the circumference outer wall of interior slide cartridge bottom has seted up the external screw thread, the circumference inner wall on outer slide cartridge top has seted up the internal thread, just external screw thread and internal thread match, the top fixedly connected with of interior slide cartridge detects the fork, just it is the ascending loudspeaker form of opening to detect the fork, the bottom fixedly connected with probe that detects the fork, just the top of probe runs through and detects the fork, set up the circular slot in the interior slide cartridge, just the signal line is installed to the bottom of probe, the bottom of signal line runs through the circular slot, Lower limiting plate and outer slide cartridge, just the bottom fixedly connected with shell of outer slide cartridge, set up the cavity in the shell, just install minor axis, wind spring and ring in the cavity, the bottom of signal line extends to in the cavity, just signal line and ring wraparound, the ring cup joints in the wind spring, just the wind spring cup joints in the minor axis, the one end and the minor axis fixed connection of wind spring, just the one end and the ring fixed connection of minor axis are kept away from to the wind spring, the host computer of matching is installed to one side of shell.

Preferably, the top and one side of the host are fixedly connected with handles, and the circumferential side walls of the handles are sleeved with sponge sleeves.

Preferably, the top ends of the two sides of the detection fork are fixedly connected with guide rods, and the space between the two ends of the guide rods, which are far away from the detection fork, is open.

Preferably, a spongy cushion is installed at the bottom end in the detection fork groove, a round hole is formed in the top end of the spongy cushion and penetrates through the spongy cushion, and the round hole is sleeved on the top end of the probe.

Preferably, the equal fixedly connected with motor of both sides wall of detection fork, just the output shaft of motor all runs through the lateral wall of detection fork, the equal fixedly connected with brush in output shaft end of motor, just the brush is the symmetry.

Preferably, the probe, the signal line and the motor are all electrically connected with the host.

The invention has the beneficial effects that:

1. the device is through the sliding connection of interior slide cartridge and outer slide cartridge and through the fastening of internal and external screw thread for the probe obtains sufficient operating radius, thereby can detect the cable that hangs.

2. Install the foam-rubber cushion in detecting the fork recess to punch the foam-rubber cushion and cup jointed in the top of probe, take place direct contact with the cable and cause wearing and tearing or collision in order to prevent that the probe from taking place, avoid meetting the cable electric leakage simultaneously and lead to destroying the probe.

3. When the inner sliding barrel extends out of the outer sliding barrel, the signal wire is pulled to enable the circular ring to rotate around the short shaft, meanwhile, the coil spring is pulled to store elastic potential energy, and when the inner sliding barrel is retracted into the outer sliding barrel, the coil spring drives the circular ring to rewind the signal wire.

4. The starting motor enables the brush to rotate, and dirt on the surface of the cable is brushed away through the rotating brush, so that the accuracy of detection data is improved.

In conclusion, the device is convenient to use and operate, wide in operation range, rich in functions and suitable for popularization.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view a-a of fig. 1 of the present invention.

Fig. 3 is a cross-sectional view of B-B of fig. 1 in accordance with the present invention.

Reference numbers in the figures: the device comprises an outer sliding barrel 1, a sliding chute 2, an inner sliding barrel 3, a lower limiting plate 4, a cover plate 5, an external thread 6, an internal thread 7, a detection fork 8, a probe 9, a circular groove 10, a signal line 11, a shell 12, a cavity 13, a short shaft 14, a coil spring 15, a circular ring 16, a main engine 17, a handle 18, a sponge sleeve 19, a guide rod 20, a sponge cushion 21, a circular hole 22, a motor 23 and a hairbrush 24.

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.

Referring to fig. 1-3, a cable insulation layer aging detection device comprises an outer slide barrel 1, a chute 2 is arranged at the top end of the outer slide barrel 1, an inner slide barrel 3 is slidably sleeved in the chute 2, a lower limiting plate 4 is fixedly connected to the bottom end of the inner slide barrel 3, a cover plate 5 is slidably sleeved on the circumferential outer wall of the inner slide barrel 3, the bottom end of the cover plate 5 is fixedly connected with the outer slide barrel 1, an external thread 6 is arranged on the circumferential outer wall of the bottom end of the inner slide barrel 3, an internal thread 7 is arranged on the circumferential inner wall of the top end of the outer slide barrel 1, the external thread 6 is matched with the internal thread 7, a detection fork 8 is fixedly connected to the top end of the inner slide barrel 3, the detection fork 8 is in a horn shape with an upward opening, a probe 9 is fixedly connected to the bottom end of the detection fork 8, the top end of the probe 9 penetrates through the detection fork 8, a circular groove 10, a signal wire 11 is installed at the bottom end of the probe 9, a circular groove 10, a lower limiting plate 4 and an outer sliding barrel 1 are penetrated through the bottom end of the signal wire 11, a shell 12 is fixedly connected to the bottom end of the outer sliding barrel 1, a cavity 13 is formed in the shell 12, a short shaft 14, a coil spring 15 and a circular ring 16 are installed in the cavity 13, the bottom end of the signal wire 11 extends into the cavity 13, the signal wire 11 and the circular ring 16 are connected in a winding manner, the circular ring 16 is sleeved on the coil spring 15, the coil spring 15 is sleeved on the short shaft 14, one end of the coil spring 15 is fixedly connected with the short shaft 14, one end, far away from the short shaft 14, of the coil spring 15 is fixedly connected with the circular ring 16, a matched host 17 is installed at one side of the shell 12, a handle 18 is fixedly connected to the top end and one side of the host 17, a sponge sleeve 19 is sleeved on the circumferential side wall of the handle 18, guide rods 20 are fixedly connected, just guide arm 20 is kept away from and is open form between the both ends of detecting fork 8, detect 8 inslot bottom ends of fork and install foam-rubber cushion 21, just round hole 22 has been seted up on the top of foam-rubber cushion 21, round hole 22 runs through foam-rubber cushion 21, just round hole 22 cup joints in the top of probe 9, detect the equal fixedly connected with motor 23 of both sides wall of fork 8, just the output shaft of motor 23 all runs through the lateral wall that detects fork 8, the terminal equal fixedly connected with brush 24 of output shaft of motor 23, just brush 24 is the symmetry form, probe 9, signal line 11 and motor 23 all with host 17 electric connection.

The working principle is as follows: the device relies on the ultrasonic wave to detect the tiny crack in the cable insulation skin caused by aging, thereby judging the aging degree of the insulation skin, when the device is used, the inner sliding barrel 3 is pulled out from the outer sliding barrel 1, and the inner sliding barrel 3 is rotated after the inner sliding barrel 3 is completely stretched out, so that the inner sliding barrel 3 is in threaded connection with the outer sliding barrel 1 through the external thread 6 and the internal thread 7, and is mutually fastened through the contact of the lower limiting plate 4 and the cover plate 5, at the moment, the detection fork 8 of the device obtains enough length, so that the probe 9 in the detection fork 8 can contact the suspended cable, the open guide rods 20 are arranged at the two ends of the opening of the detection fork 8, so as to reduce the difficulty of the detection fork 8 in aligning the cable, when the cable enters the groove of the detection fork 8, the motor 23 is started to enable the brush 24 to rotate, the dirt on the surface of the cable is brushed through the rotating brush 24, so as to improve the accuracy of the detection data, the sponge pad 21 is arranged in the groove of the detection fork 8, the sponge pad 21 is punched and sleeved on the top of the probe 9 to prevent the probe 9 from being directly contacted with a cable to cause abrasion or collision, meanwhile, the probe 9 is prevented from being damaged due to electric leakage of the cable, data detected by the probe 9 is processed by the host 17 and then displayed on a screen, and the top and the back of the host 17 are respectively provided with a handle 18 sleeved with a sponge sleeve 19 to prevent the precise host 17 from falling;

the inner sliding barrel 3 is of a hollow structure, a signal wire of the probe 9 penetrates through the inner barrel 3 and then is wound on the circular ring 16, when the inner sliding barrel 3 extends out of the outer sliding barrel 1, the signal wire 11 is pulled to enable the circular ring 16 to rotate around the short shaft 14, meanwhile, the coil spring 15 is pulled to store elastic potential energy, and when the inner sliding barrel 3 retracts into the outer sliding barrel 1, the coil spring 15 drives the circular ring 16 to rewind the signal wire 11.

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. The aging detection device for the cable insulation layer comprises an outer sliding barrel (1), and is characterized in that a sliding groove (2) is formed in the top end of the outer sliding barrel (1), an inner sliding barrel (3) is sleeved in the sliding groove (2) in a sliding mode, a lower limiting plate (4) is fixedly connected to the bottom end of the inner sliding barrel (3), a cover plate (5) is sleeved on the outer wall of the circumference of the inner sliding barrel (3) in a sliding mode, the bottom end of the cover plate (5) is fixedly connected with the outer sliding barrel (1), external threads (6) are formed in the outer wall of the circumference of the bottom end of the inner sliding barrel (3), internal threads (7) are formed in the inner wall of the circumference of the top end of the outer sliding barrel (1), the external threads (6) are matched with the internal threads (7), a detection fork (8) is fixedly connected to the top end of the inner sliding barrel (3), the detection fork (8) is in a horn shape with an upward opening, and a probe (, the top end of the probe (9) penetrates through the detection fork (8), a circular groove (10) is formed in the inner sliding barrel (3), a signal wire (11) is installed at the bottom end of the probe (9), the bottom end of the signal wire (11) penetrates through the circular groove (10), the lower limiting plate (4) and the outer sliding barrel (1), a shell (12) is fixedly connected to the bottom end of the outer sliding barrel (1), a cavity (13) is formed in the shell (12), a short shaft (14), a coil spring (15) and a circular ring (16) are installed in the cavity (13), the bottom end of the signal wire (11) extends into the cavity (13), the signal wire (11) and the circular ring (16) are in winding connection, the circular ring (16) is sleeved on the coil spring (15), the coil spring (15) is sleeved on the short shaft (14), one end of the coil spring (15) is fixedly connected with the short shaft (14), and one end, far away from the short shaft (14), of the coil spring (15) is fixedly connected with the circular ring (16), and a matched host (17) is arranged on one side of the shell (12).

2. The cable insulation layer aging detection device according to claim 1, wherein a handle (18) is fixedly connected to both the top end and one side of the main machine (17), and a sponge sleeve (19) is sleeved on the circumferential side wall of the handle (18).

3. The device for detecting the aging of the insulating layer of the cable as claimed in claim 1, wherein the top ends of the two sides of the detection fork (8) are fixedly connected with guide rods (20), and the space between the two ends of the guide rods (20) far away from the detection fork (8) is open.

4. The cable insulation layer aging detection device according to claim 1, wherein a spongy cushion (21) is installed at the bottom end of the detection fork (8) in the groove, a round hole (22) is formed in the top end of the spongy cushion (21), the round hole (22) penetrates through the spongy cushion (21), and the round hole (22) is sleeved on the top end of the probe (9).

5. The device for detecting the aging of the insulation layer of the cable as claimed in claim 1, wherein the two side walls of the detection fork (8) are fixedly connected with the motor (23), the output shaft of the motor (23) penetrates through the side walls of the detection fork (8), the end of the output shaft of the motor (23) is fixedly connected with the brush (24), and the brush (24) is symmetrical.

6. The cable insulation layer aging detection device according to claim 5, wherein the probe (9), the signal line (11) and the motor (23) are electrically connected with the host (17).