CN215869890U - Contact finger for high-voltage electrical equipment and particle capturing structure thereof - Google Patents
Contact finger for high-voltage electrical equipment and particle capturing structure thereof Download PDFInfo
- Publication number
- CN215869890U CN215869890U CN202122388730.1U CN202122388730U CN215869890U CN 215869890 U CN215869890 U CN 215869890U CN 202122388730 U CN202122388730 U CN 202122388730U CN 215869890 U CN215869890 U CN 215869890U
- Authority
- CN
- China
- Prior art keywords
- contact
- finger
- contact finger
- female
- particle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002245 particle Substances 0.000 title claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Measuring Leads Or Probes (AREA)
Abstract
The utility model discloses a contact finger for high-voltage electrical equipment and a particle capturing structure thereof, wherein the contact finger comprises a male contact and a female contact, a particle catcher is sleeved outside the joint of the female contact and the male contact, an annular mounting groove is formed in the inner end of the female contact at the inserting joint of the female contact and the male contact, and a contact finger structure is arranged in the mounting groove; the contact finger structure comprises contact finger sheets, a limiting ring and an annular contact finger frame, the contact finger sheets are circumferentially arranged on the contact finger frame, a spring capable of being linearly compressed is arranged between each contact finger sheet and the contact finger frame, and the limiting ring is arranged outside the contact finger sheets and the contact finger frame in a semi-surrounded manner so that the rest side edges of the contact finger sheets are respectively abutted against the male contact, the female contact and the limiting ring; the end of the mounting groove is embedded with an annular check ring, and an annular stop block is compressed between the check ring and the limiting ring. The utility model aims to provide the contact finger for the high-voltage electrical equipment, which has long mechanical life, high through-flow capacity, small friction and strong pollution resistance.
Description
Technical Field
The utility model relates to the field of power transmission equipment, in particular to a contact finger for high-voltage electrical equipment and a particle capturing structure thereof.
Background
At present, contact finger structures used by domestic and foreign high-voltage electrical equipment or power transmission lines are generally traditional spring contact fingers, plum blossom contact fingers, watchband contact fingers and the like, and the contact fingers generally have no radial compensation function. The contact structure has no particle capturing function, and once metal particles fall or are gathered to an insulating part, short circuit fault is inevitably caused. In addition, due to the reasons of equipment manufacturing errors, installation errors and the like, concentricity of different modules of the high-voltage electrical equipment is difficult to guarantee, and conventional contact fingers cannot adjust the errors and can only absorb the errors by means of self deflection of the conducting rod, so that the insulating part of the equipment bears huge stress. Therefore, a contact finger structure with long mechanical life, high through-flow capacity, small friction and strong anti-pollution capacity is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide the contact finger for the high-voltage electrical equipment, which has the advantages of long mechanical life, high through-flow capacity, small friction and strong pollution resistance.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
a contact finger for high-voltage electrical equipment and a particle capturing structure thereof comprise a male contact and a female contact, wherein a particle catcher is sleeved outside the joint of the female contact and the male contact, an annular mounting groove is formed in the inner end of the female contact at the insertion joint of the female contact and the male contact, and a contact finger structure is arranged in the mounting groove; the contact finger structure comprises contact finger sheets, a limiting ring and an annular contact finger frame, the contact finger sheets are circumferentially arranged on the contact finger frame, a spring capable of being linearly compressed is arranged between each contact finger sheet and the contact finger frame, and the limiting ring is arranged outside the contact finger sheets and the contact finger frame in a semi-surrounded manner so that the rest side edges of the contact finger sheets are respectively abutted against the male contact, the female contact and the limiting ring; the contact finger sheet is of a flat plate-shaped structure formed by copper or copper alloy materials, and silver is plated on the surface of the contact finger sheet; the end of the mounting groove is embedded with an annular check ring, and an annular stop block is compressed between the check ring and the limiting ring.
Furthermore, the contact finger frame is evenly provided with jacks distributed circumferentially, each contact finger piece is provided with a contact finger shaft divided into two sections towards the side edge of the contact finger frame, one section of the contact finger shaft is connected with the contact finger piece into a whole, the other section of the contact finger shaft is inserted into the jacks, and the spring sleeve is arranged on the two sections of the contact finger shafts.
Furthermore, included angles are formed between the side edges of the contact finger sheets, which are abutted against the male contact, the female contact and the limiting ring, and the contact surfaces.
Furthermore, all be provided with the round hole on the contact finger piece, all contact finger pieces are connected through penetrating the holding ring jointly in the round hole, and the holding ring comprises elastic metal.
Furthermore, the particle catcher is cylindrical, a dustproof pad is embedded between one end of the particle catcher and the contact, a top pin abutting against the particle catcher is embedded between the other end of the particle catcher and the contact, and an adsorbing material is arranged in the inner circumference of the particle catcher.
Compared with the prior art, the utility model has the following beneficial effects:
all the contact finger sheets are connected together through the positioning rings, so that synchronous radial compensation can be performed, and the concentricity of all the contact finger sheets is high. The contact finger shaft of each contact finger piece is sleeved with a spring, and the spring is always in a compression state through the extrusion of the stop block and the check ring, so that the contact finger pieces are kept in close contact with the female contact and the male contact. The side edges of the contact finger sheets, which are abutted against the male contact, the female contact and the limiting ring, and the contact surfaces are provided with included angles, so that the contact finger sheets can realize a radial compensation function. The particle catcher is sleeved outside the joint of the male contact and the female contact and used for adsorbing metal dust, the pollution resistance of the contact finger is improved, and the discharge failure rate is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of part A in FIG. 1;
FIG. 3 is a schematic view of the structure of a finger pad of the present invention;
FIG. 4 is a schematic view of a retaining ring according to the present invention;
FIG. 5 is a schematic view of the arrangement of finger-contacting pieces in the present invention;
FIG. 6 is a schematic view of an included angle between each side edge of a finger pad and a contact surface according to the present invention;
fig. 7 is a schematic structural diagram of a structure without a contact finger according to the present invention.
Description of reference numerals:
1-contact finger structure, 2-stop block, 3-check ring, 4-male contact, 5-female contact, 6-mounting groove, 7-particle catcher, 8-first flow guide surface, 9-second flow guide surface, 11-contact finger piece, 12-positioning ring, 13-spring, 14-contact finger shaft, 15-contact finger holder, 16-spacing ring, 71-dustproof pad, 72-knock pin and 73-adsorbing material.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 7, a contact finger for high-voltage electrical equipment and a particle capturing structure thereof comprise a male contact 4 and a female contact 5, wherein a particle catcher 7 is sleeved outside the joint of the female contact 5 and the male contact 4, an annular mounting groove 6 is formed in the inner end of the female contact 5 at the insertion joint with the male contact 4, and a contact finger structure 1 is arranged in the mounting groove 6; the contact finger structure 1 comprises contact finger pieces 11, a limiting ring 16 and an annular contact finger frame 15, jacks distributed circumferentially are uniformly distributed on the contact finger frame 15, a contact finger shaft 14 inserted into the jacks is arranged on the side edge of each contact finger piece 11 facing the contact finger frame 15, a spring 13 is sleeved on the contact finger shaft 14, and the limiting ring 16 is arranged outside the contact finger pieces 11 and the contact finger frame 15 in a semi-surrounded manner so that the rest side edges of the contact finger pieces 11 are respectively abutted against the male contact 4, the female contact 5 and the limiting ring 16; an annular check ring 3 is embedded at the end part of the mounting groove 6, and an annular stop block 2 is compressed between the check ring 3 and the limiting ring 16.
As shown in fig. 3 to 5, the finger rest 15 is uniformly provided with insertion holes distributed circumferentially, the side of each finger piece 11 facing the finger rest 15 is provided with a finger shaft 14 divided into two sections, one section of the finger shaft 14 is connected with the finger piece 11 into a whole, the other section of the finger shaft 14 is inserted into the insertion holes, and the spring 13 is sleeved on the two sections of the finger shafts 14. The two-section touch finger shaft 14 can enable the spring to always keep linear motion when the spring is compressed, and the two-section touch finger shaft 14 which is separated and not in contact can enable the touch finger piece 11 to have radial compensation functions under three conditions of transverse, longitudinal and bending.
All be provided with the round hole on touching the finger piece 11, all touch finger piece 11 and connect through penetrating holding ring 12 in the round hole altogether, holding ring 12 comprises the metal that has elasticity. All the finger pieces 11 are connected together by a positioning ring 12 so that a synchronous radial compensation is possible, resulting in a high concentricity of all the finger pieces 11. The finger piece 11 is made of copper or copper alloy material and has a flat plate-like structure, and the surface of the finger piece 11 is plated with silver to improve the current capacity.
As shown in fig. 6, the side edges of the finger plate 11, which abut against the male contact 4, the female contact 5 and the limiting ring 16, and the contact surfaces are all provided with included angles. The contact finger sheet 11 is tightly contacted with the male contact 4 to form a first flow guide surface and form an included angle alpha; the finger contact sheet 11 is closely contacted with a metal limiting ring 16 and has an included angle beta, and the limiting ring 16 is made of aluminum in the embodiment; the contact finger sheet 11 and the female contact 5 are in close contact to form a second flow guide surface and have an included angle Y. The three positions enable each contact finger piece 11 to achieve radial compensation in the transverse direction and the longitudinal direction, so that the whole contact finger structure 1 has the radial compensation function in multiple directions, and high-voltage electrical equipment can run safely under complex working conditions of turning, irregular angles, large settlement and the like. And the contact finger shaft 14 of each contact finger piece 11 is sleeved with a spring 13, and the spring 13 is always in a compressed state through the extrusion of the stop block 2 and the retainer ring 3, so that the contact finger pieces 11 are kept in close contact with the female contact 5 and the male contact 4. After the male contact 4 is inserted into the female contact 5, each finger piece 11 is pushed and expanded in the radial direction, so that the compression spring 13 deforms to enable the finger pieces 11 to be more tightly connected with the contacts. The spring 13 and the limiting ring 16 can reduce the friction force between the contact finger sheet 11 and the contact, improve the through-current capacity of the contact, improve the mechanical life of the contact and reduce the risk of metal dust generation.
The particle trap 7 is cylindrical, a dust-proof pad 71 is fitted between one end of the particle trap 7 and the contact, a knock pin 72 that abuts against the particle trap 7 is fitted between the other end of the particle trap 7 and the contact, and an adsorbing material 73 is provided in the inner circumferential direction of the particle trap 7. The dust-proof pad 71 is used for preventing metal dust from falling out to cause pollution, the ejector pin 72 is used for being clamped between the particle catcher 7 and the contact to prevent the particle catcher 7 from moving or falling off, the adsorbing material 73 is used for adsorbing the metal dust, the adsorbing material 73 in the embodiment uses adhesive sticker, and the falling metal dust can be stuck by the adhesive sticker.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a high-voltage electrical equipment is with touching finger and particle capture structure thereof, includes male contact (4) and female contact (5), its characterized in that: a particle catcher (7) is sleeved outside the joint of the female contact (5) and the male contact (4), an annular mounting groove (6) is formed in the inner end of the joint of the female contact (5) and the male contact (4), and a contact finger structure (1) is arranged in the mounting groove (6); the contact finger structure (1) comprises contact finger sheets (11), a limiting ring (16) and an annular contact finger frame (15), the contact finger sheets (11) are circumferentially arranged on the contact finger frame (15), a spring (13) capable of being linearly compressed is arranged between each contact finger sheet (11) and the contact finger frame (15), and the limiting ring (16) is arranged outside the contact finger sheets (11) and the contact finger frame (15) in a semi-surrounded manner so that the rest side edges of the contact finger sheets (11) are respectively abutted against the male contact (4), the female contact (5) and the limiting ring (16); the contact finger sheet (11) is of a flat plate-shaped structure made of copper or copper alloy materials, and silver is plated on the surface of the contact finger sheet (11); the end part of the mounting groove (6) is embedded with an annular check ring (3), and an annular stop block (2) is compressed between the check ring (3) and the limiting ring (16).
2. The contact finger and the particle catching structure thereof for high voltage electrical equipment as claimed in claim 1, wherein: it is provided with the jack that is the circumference and distributes to touch on finger rack (15), and each touches finger piece (11) and all is provided with the finger axle (14) that touches that divide into two sections towards the side that touches finger rack (15), and wherein one section touches finger axle (14) and touches finger piece (11) and be connected as an organic wholely, and another section touches finger axle (14) and inserts and establish in the jack, spring (13) cover is established on two sections finger axles (14).
3. The contact finger and the particle catching structure thereof for high voltage electrical equipment as claimed in claim 1, wherein: the side edges of the finger contact pieces (11) which are abutted against the male contact (4), the female contact (5) and the limiting ring (16) and the contact surfaces are provided with included angles.
4. The contact finger and the particle catching structure thereof for high voltage electrical equipment as claimed in claim 3, wherein: all be provided with the round hole on touching finger piece (11), all touch finger piece (11) and connect through penetrating holding ring (12) jointly in the round hole, holding ring (12) comprise by having elastic metal.
5. The contact finger and the particle catching structure thereof for high voltage electrical equipment as claimed in claim 1, wherein: the particle catcher (7) is cylindrical, a dustproof pad (71) is embedded between one end of the particle catcher (7) and the contact, a knock pin (72) which is abutted against the particle catcher (7) is embedded between the other end of the particle catcher (7) and the contact, and an adsorbing material (73) is arranged in the inner circumference of the particle catcher (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122388730.1U CN215869890U (en) | 2021-09-29 | 2021-09-29 | Contact finger for high-voltage electrical equipment and particle capturing structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122388730.1U CN215869890U (en) | 2021-09-29 | 2021-09-29 | Contact finger for high-voltage electrical equipment and particle capturing structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215869890U true CN215869890U (en) | 2022-02-18 |
Family
ID=80261971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122388730.1U Active CN215869890U (en) | 2021-09-29 | 2021-09-29 | Contact finger for high-voltage electrical equipment and particle capturing structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215869890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113839242A (en) * | 2021-09-29 | 2021-12-24 | 天津尚圣科技有限公司 | Contact finger for high-voltage electrical equipment and particle capturing structure thereof |
-
2021
- 2021-09-29 CN CN202122388730.1U patent/CN215869890U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113839242A (en) * | 2021-09-29 | 2021-12-24 | 天津尚圣科技有限公司 | Contact finger for high-voltage electrical equipment and particle capturing structure thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215869890U (en) | Contact finger for high-voltage electrical equipment and particle capturing structure thereof | |
| CN110676478B (en) | Collector plate for hydrogen fuel cell stack | |
| CN102422170A (en) | Scrub inducing compliant electrical contact | |
| CN108134291A (en) | A kind of safe electric power strip of student | |
| CN113839242A (en) | Contact finger for high-voltage electrical equipment and particle capturing structure thereof | |
| CN209402912U (en) | A kind of pcb board convenient for connection | |
| CN210148127U (en) | Electromagnetic suction device for magnetic conduction object | |
| CN208723157U (en) | A kind of hyperboloid wire spring socket | |
| CN208889912U (en) | Composite-type flexible fingertip for conductive plugging member | |
| CN103456450A (en) | Novel potentiometer | |
| WO2016029886A1 (en) | Elastic contact spring and adapter using the contact spring | |
| CN218230929U (en) | Diaphragm sucking tool | |
| CN218561587U (en) | Sucker piece | |
| CN201557319U (en) | Electronic device | |
| CN204304037U (en) | A kind of for conducting electricity the staggered flexible fingertip of plugging member | |
| CN201041889Y (en) | Planar array plate-shaped capacitor filter connector | |
| CN213070962U (en) | High-precision touch switch | |
| CN209266997U (en) | A kind of attachment device and gas-filling cabinet for connecting insulator and breaker | |
| CN211294891U (en) | Prevent many contact surfaces of foreign matter heavy current contact pin device | |
| CN210255880U (en) | A installation frock for photovoltaic board is assembled | |
| CN219833085U (en) | Flexible charging plate and charging mechanism | |
| CN204095656U (en) | A kind of horn trumpet of Multi-contact and automobile | |
| CN209045653U (en) | A kind of remote controler prevents patch spring from falling deformation device | |
| CN219592868U (en) | Mounting structure of automobile rear seat reading lamp circuit board | |
| CN210779190U (en) | Electronic connector with good safety |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240104 Address after: 467000, No. 14 West Road, 50 meters north of the intersection of Jingshan Road and Nongke Road, Mazhuang Street, Zhanhe District, Pingdingshan City, Henan Province Patentee after: Henan Ourong Electric Co.,Ltd. Address before: 300190 area 5-1-705b, saide Plaza, southwest of intersection of Hongqi Road and tiantuo North Road, Nankai District, tianjin-05 Patentee before: Tianjin Shangsheng Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |