CN215219031U

CN215219031U - Power cable partial discharge detection device

Info

Publication number: CN215219031U
Application number: CN202121292384.0U
Authority: CN
Inventors: 胡汉平; 胡汉梅; 胡文
Original assignee: Hubei Zhencheng Electric Testing Co ltd
Current assignee: Hubei Zhencheng Electric Testing Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-17
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a power cable partial discharge detection device, including handheld pole, the first movable rod of top fixedly connected with of handheld pole, logical groove has vertically been seted up to the positive wall body of first movable rod upper end, the activity groove has been seted up to the lateral wall symmetry about first movable rod upper end, two the inner chamber in activity groove is transversely inserted and is equipped with the second movable rod, the horizontal symmetrical fixedly connected with handle of the left and right sides wall body of second movable rod, the positive well wall body fixedly connected with pin of second movable rod, the top wall body fixedly connected with third connecting block of first movable rod. This power cable partial discharge detection device through the connection snap ring that sets up, rubber buffer ring, first buffer spring, the mutually supporting of second buffer spring can play the effect of buffer protection to first semi-magnetic ring and second semi-magnetic ring, has avoided dropping or dropping of first semi-magnetic ring and second semi-magnetic ring to collide with the damage to it when carrying.

Description

Power cable partial discharge detection device

Technical Field

The utility model relates to an electric power partial discharge detection area, in particular to power cable partial discharge detection device.

Background

Wire and cable are used for transmitting electric energy, information and wire products for realizing electromagnetic energy conversion, wire and cable in a broad sense is also called as cable for short, cable in a narrow sense is insulated cable, and it can be defined as: the assembly of the following parts, one or more insulated wire cores, and their respective possible coatings, total protective layers and outer protective layers, and the cable may also have additional uninsulated conductors, is usually detected by high frequency current sensors in the detection of partial discharges inside the high voltage cable plant.

In chinese utility model patent application no: CN201921462698.3 discloses a wireless cable partial discharge detection device and system based on a high-frequency current sensor, the device is sleeved on a cable intermediate connector of a power cable by a wireless detection device, a measurement lead is connected to a copper shielding ground wire in the cable intermediate connector, the device has the characteristics of simple structure and reasonable design, the measurement environment can be fully considered, workers need to enter an underground cable well for measurement, the work progress is difficult, the product realizes the electrified convenient measurement, analysis and insulation diagnosis of the cable partial discharge, the device can quickly and accurately detect the partial discharge of the cable in the underground severe environment, the device is simple and convenient to use, the efficiency is high, the operation is easy to master, the limitation of the field environment on the electrified detection of the cable is solved, the device is particularly suitable for daily inspection of team personnel, and the domestic technical blank is filled. The device is not convenient for the card to establish in the cable outside, and is relatively poor to detection device's buffering protective effect, and is comparatively hard when the outside of cable slides simultaneously.

Therefore, it is necessary to provide a power cable partial discharge detection device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a power cable partial discharge detection device, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a power cable partial discharge detection device comprises a handheld rod, wherein a first movable rod is fixedly connected to the top of the handheld rod, a through groove is longitudinally formed in the front wall body of the upper end of the first movable rod, movable grooves are symmetrically formed in the left side wall body and the right side wall body of the upper end of the first movable rod, a second movable rod is transversely inserted into the inner cavity of each movable groove, handles are transversely and symmetrically fixedly connected to the left side wall body and the right side wall body of the second movable rod, a pin is fixedly connected to the front center wall body of the second movable rod, a third connecting block is fixedly connected to the top wall body of the first movable rod, connecting seats are symmetrically and fixedly connected to the left end and the right end of the top of the third connecting block, a second connecting block is movably connected to the center upper ends of the two connecting seats through rivets, rubber buffer rings are symmetrically and fixedly connected to the tops of the two second connecting blocks, and clamping rings are symmetrically and fixedly connected to the opposite side wall bodies of the two rubber buffer rings, a first semi-magnetic ring and a second semi-magnetic ring are respectively arranged at the opposite sides of the two connecting snap rings, a clamping seat is fixedly connected with the right end wall body at the top of the inner cavity of the first semi-magnetic ring, concave rollers are uniformly arranged in the inner cavity at the lower end of the clamping seat through rivets, first buffer springs are transversely and fixedly connected in a symmetrical manner in the middle of the wall body at one side of the first semi-magnetic ring and the second semi-magnetic ring, which is opposite to each other, the first half magnetic ring and the second half magnetic ring are respectively and longitudinally fixedly connected with a second buffer spring in a symmetrical mode at the top and the bottom of the wall body with the back on the back, two rubber buffer rings are respectively and fixedly connected with a first connecting block in a symmetrical mode at the center of the wall body with the back on the back, two first connecting blocks are respectively and fixedly connected with a limiting sleeve ring at one end, far away from the first connecting block, and two limiting sleeve rings are respectively inserted into inner cavities of the limiting sleeve rings and are respectively provided with a movable sliding rod and a limiting cap at the top of the movable sliding rod.

Preferably, the two limiting caps are cylindrical, and the diameters of the two limiting caps are respectively larger than the diameters of the inner cavities of the two limiting lantern rings.

Preferably, the lower ends of the two movable sliding rods are movably sleeved outside the pin.

Preferably, one end of each of the two groups of second buffer springs, which is far away from the other end, is fixedly connected to the top and bottom wall bodies of the inner cavities of the two connecting snap rings respectively.

Preferably, one end of each of the two first buffer springs, which is far away from the corresponding end, is fixedly connected to the wall body on the opposite side of the inner cavity of the two connecting snap rings respectively.

Preferably, the front end of the pin passes through the inner cavity of the through groove and extends to the outside of the front surface of the first movable rod.

Advantageous effects

Compared with the prior art, the utility model provides a power cable partial discharge detection device possesses following beneficial effect:

1. this power cable partial discharge detection device through the connection snap ring that sets up, rubber buffer ring, first buffer spring, the mutually supporting of second buffer spring can play the effect of buffer protection to first semi-magnetic ring and second semi-magnetic ring, has avoided dropping or dropping of first semi-magnetic ring and second semi-magnetic ring to collide with the damage to it when carrying.

2. This power cable partial discharge detection device, through the mutual cooperation of the cassette that sets up and spill gyro wheel conveniently the card establish at the top of being surveyed the cable to it is more laborsaving when removing first semi-magnetic ring and second semi-magnetic ring, improved work efficiency.

3. This power cable partial discharge detection device through mutually supporting of the pin that sets up, second movable rod, handle, first movable rod, logical groove, activity slide bar, the spacing lantern ring make things convenient for opening and closing of first semi-magnetic ring and second semi-magnetic ring to make things convenient for the card to establish and detect in the outside of cable, the setting up of limit cap is convenient to play spacing effect to the activity slide bar.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the point B of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of the place C in the soil 1 of the present invention.

In the figure: 1. a hand-held wand; 2. a first movable bar; 3. a movable slide bar; 4. a limiting cap; 5. a first semi-magnetic ring; 6. a rubber cushion ring; 7. a first buffer spring; 8. a first connection block; 9. a limiting lantern ring; 10. a second half magnetic ring; 11. a handle; 12. a second movable bar; 13. a pin; 14. a through groove; 15. a movable groove; 16. connecting a snap ring; 17. a second connecting block; 18. a connecting seat; 19. a third connecting block; 20. a second buffer spring; 21. a card holder; 22. concave rollers.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a power cable partial discharge detection device comprises a handheld rod 1, a first movable rod 2 is fixedly connected to the top of the handheld rod 1, a through groove 14 is longitudinally formed on the front wall body of the upper end of the first movable rod 2, movable grooves 15 are symmetrically formed on the left and right side walls of the upper end of the first movable rod 2, a second movable rod 12 is transversely inserted into the inner cavity of the two movable grooves 15, handles 11 are transversely and symmetrically fixedly connected to the left and right side wall bodies of the second movable rod 12, a pin 13 is fixedly connected to the front center wall body of the second movable rod 12, the front end of the pin 13 passes through the inner cavity of the through groove 14 and extends to the outside of the front side of the first movable rod 2, a third connecting block 19 is fixedly connected to the top wall body of the first movable rod 2, connecting blocks 18 are symmetrically and fixedly connected to the left and right ends of the top of the third connecting block 19, and second connecting blocks 17 are respectively and movably connected to the upper centers of the two connecting blocks 18 through rivets, the tops of the two second connecting blocks 17 are symmetrically and fixedly connected with rubber buffer rings 6, the opposite side wall bodies of the two rubber buffer rings 6 are symmetrically and fixedly connected with connecting clamp rings 16, the opposite sides of the two connecting clamp rings 16 are respectively provided with a first semi-magnetic ring 5 and a second semi-magnetic ring 10, the right end wall body at the top of the inner cavity of the first semi-magnetic ring 5 is fixedly connected with a clamping seat 21, the inner cavity at the lower end of the clamping seat 21 is uniformly provided with concave rollers 22 through rivets, the clamping seat 21 and the concave rollers 22 are matched with each other to be conveniently clamped at the top of a tested cable, so that labor is saved when the first semi-magnetic ring 5 and the second semi-magnetic ring 10 are moved, the working efficiency is improved, the first buffer springs 7 are symmetrically and transversely and fixedly connected with the centers of the wall bodies at the opposite sides of the two opposite side wall bodies of the inner cavity of the connecting clamp rings 16 respectively, the far ends of the two first buffer springs 7 are fixedly connected with the opposite side wall bodies at the inner cavity of the two connecting clamp rings 16, the top and the bottom of the wall body at the opposite side of the first semi-magnetic ring 5 and the second semi-magnetic ring 10 are respectively and symmetrically and longitudinally fixedly connected with a second buffer spring 20, the far ends of the two groups of second buffer springs 20 are respectively and fixedly connected with the top and the bottom wall body of the inner cavity of the two connecting snap rings 16, the first buffer spring 7 and the second buffer spring 20 are arranged to be matched with each other to play a role of buffer protection for the first semi-magnetic ring 5 and the second semi-magnetic ring 10, thereby avoiding the first semi-magnetic ring 5 and the second semi-magnetic ring 10 from being damaged by falling and colliding when falling or carrying, the first connecting blocks 8 are fixedly connected with the center of the wall body at the opposite side of the two rubber buffer rings 6 symmetrically, the far ends of the two first connecting blocks 8 are symmetrically and fixedly connected with the limit lantern rings 9, and the inner cavities of the two limit lantern rings 9 are respectively inserted with movable slide bars 3, the outside of pin 13 is located to the equal movable sleeve of lower extreme of two activity slide bars 3, the top of two activity slide bars 3 is fixedly connected with stop cap 4 respectively, two stop cap 4 are cylindrical, and the diameter of two stop cap 4 is greater than the inner chamber diameter of two stop collar 9 respectively, through the pin 13 that sets up, second movable rod 12, handle 11, first movable rod 2, logical groove 14, activity groove 15, activity slide bar 3, the mutually supporting of stop collar 9 makes things convenient for opening and closing of first semi-magnetic ring 5 and second semi-magnetic ring 10, thereby make things convenient for the card to establish and detect in the outside of cable, stop cap 4's setting is convenient to play spacing effect to activity slide bar 3.

The first embodiment is as follows: the left and right sides symmetry of first movable rod 2 lower extreme is provided with the bolt subassembly, and the bolt subassembly includes the lantern ring and connects the rope, and the setting of bolt subassembly is convenient for establish fixedly to descending to handle 11 of bottom, has avoided the separation of first semi-magnetic ring 5 and second semi-magnetic ring 10 in the use.

The second embodiment is as follows: the lower extreme of handheld pole 1 is provided with lifting unit, and lifting unit includes connecting rod, buckle, lift groove, and lifting unit's setting is convenient for handheld pole 1's flexible to facilitate the use has increased the functionality.

It should be noted that the utility model relates to a power cable partial discharge detection device, two handles 11 are upwards pulled when using, the second movable rod 12 drives the pin 13 to upwards displace under the drive of the two handles 11, the pin 13 drives the lower ends of the two movable slide bars 3 to upwards displace, the angle between the two movable slide bars 3 gradually increases, the upper ends of the two movable slide bars 3 are far away from each other under the action of two limit lantern rings 9, the second connecting block 17 and the connecting seat 18 to drive the upper ends of the two rubber buffer rings 6 to mutually open, then the first semi-magnetic ring 5 and the second semi-magnetic ring 10 are sleeved outside the cable to be detected, then the bottom of the concave roller 22 is clamped at the top of the cable to be detected, finally, the two handles 11 are downwards pulled to close the first semi-magnetic ring 5 and the second semi-magnetic ring 10, the setting of the limit cap 4 conveniently plays a limiting role for the movable slide bars 3, the first half magnetic ring 5 and the second half magnetic ring 10 can be protected in a buffering mode through the mutual matching of the connecting clamping ring 16, the rubber buffer ring 6, the first buffer spring 7 and the second buffer spring 20, the first half magnetic ring 5 and the second half magnetic ring 10 are prevented from being damaged due to falling or falling collision when the first half magnetic ring 5 and the second half magnetic ring 10 fall or are carried, the clamping seat 21 and the concave roller 22 are arranged, labor is saved when the first half magnetic ring 5 and the second half magnetic ring 10 are moved during detection, and the working efficiency is improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A power cable partial discharge detection device, includes handheld pole (1), its characterized in that: the handle is characterized in that a first movable rod (2) is fixedly connected to the top of the handheld rod (1), a through groove (14) is longitudinally formed in the front wall body of the upper end of the first movable rod (2), movable grooves (15) are symmetrically formed in the left side wall and the right side wall of the upper end of the first movable rod (2), a second movable rod (12) is transversely inserted into the inner cavity of each movable groove (15), handles (11) are transversely and symmetrically fixedly connected to the left side wall body and the right side wall body of the second movable rod (12), a pin (13) is fixedly connected to the front center wall body of the second movable rod (12), a third connecting block (19) is fixedly connected to the top wall body of the first movable rod (2), connecting seats (18) are symmetrically and fixedly connected to the left side end and the right end of the top of the third connecting block (19), and a second connecting block (17) is respectively and centrally connected to the upper ends of the connecting seats (18) through rivets, rubber buffer rings (6) are symmetrically and fixedly connected to the tops of the two second connecting blocks (17), connecting snap rings (16) are symmetrically and fixedly connected to the wall bodies on one side opposite to the two rubber buffer rings (6), a first semi-magnetic ring (5) and a second semi-magnetic ring (10) are respectively arranged on one side opposite to the two connecting snap rings (16), a clamping seat (21) is fixedly connected to the wall body on the right end of the top of the inner cavity of the first semi-magnetic ring (5), concave rollers (22) are uniformly arranged in the inner cavity of the lower end of the clamping seat (21) through rivets, first buffer springs (7) are transversely and fixedly connected to the centers of the wall bodies on the opposite sides of the first semi-magnetic ring (5) and the second semi-magnetic ring (10), and second buffer springs (20) are respectively and longitudinally and symmetrically fixedly connected to the tops and the bottoms of the wall bodies on the opposite sides of the first semi-magnetic ring (5) and the second semi-magnetic ring (10), two rubber buffer ring (6) the first connecting block (8) of the centre symmetry fixedly connected with of the lateral wall body that backs on the back, two keep away from one end symmetry fixedly connected with spacing lantern ring (9) mutually of first connecting block (8), two the inner chamber of spacing lantern ring (9) is inserted respectively and is equipped with movable slide bar (3), two the top of activity slide bar (3) is fixedly connected with spacing cap (4) respectively.

2. A power cable partial discharge detection apparatus according to claim 1, characterized in that: the two limiting caps (4) are cylindrical, and the diameters of the two limiting caps (4) are respectively larger than the diameters of the inner cavities of the two limiting lantern rings (9).

3. A power cable partial discharge detection apparatus according to claim 1, characterized in that: the lower ends of the two movable sliding rods (3) are movably sleeved outside the pin (13).

4. A power cable partial discharge detection apparatus according to claim 1, characterized in that: and one ends of the two groups of second buffer springs (20) far away from each other are respectively and fixedly connected to the top and bottom wall bodies of the inner cavities of the two connecting snap rings (16).

5. A power cable partial discharge detection apparatus according to claim 1, characterized in that: one ends, far away from each other, of the two first buffer springs (7) are fixedly connected to the wall bodies on the opposite sides of the inner cavities of the two connecting snap rings (16) respectively.

6. A power cable partial discharge detection apparatus according to claim 1, characterized in that: the front end of the pin (13) penetrates through the inner cavity of the through groove (14) and extends to the outside of the front face of the first movable rod (2).