CN2425417Y - Positive voltage impact contact device - Google Patents
Positive voltage impact contact device Download PDFInfo
- Publication number
- CN2425417Y CN2425417Y CN 00207985 CN00207985U CN2425417Y CN 2425417 Y CN2425417 Y CN 2425417Y CN 00207985 CN00207985 CN 00207985 CN 00207985 U CN00207985 U CN 00207985U CN 2425417 Y CN2425417 Y CN 2425417Y
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- CN
- China
- Prior art keywords
- contact
- moving
- moving contact
- fixed contact
- collision
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- Expired - Fee Related
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Abstract
The utility model relates to a main circuit positive voltage type collision contact head device which can be used for flame-proof feeding switches for coal mines, magnetic starters for coal mines, ground general type feeding switches and ground general type magnetic starters. The utility model utilizes the end faces of a moving contact head and a fixed contact head to collide for connection, and a conducting wire is installed on the moving contact. When collision occurs, the moving contact drives the conducting wire to move together, and the tail part of the moving contact is provided with a pressure spring, so that the wear between the moving and the fixed contact heads is avoided in the collision, the requirement for the centering property of the moving and the fixed contact heads is lowered, and the strength when the moving and the fixed contact heads are separated is reduced.
Description
The utility model positive-pressure type collision contact relates to flame-proof mine feeding switch under the coal mine, the universal feeding switch in magnetic starter and ground, the major loop collision jockey in the magnetic starter.
At present, in domestic feeding switch and the magnetic starter major loop be connected the mode that generally adopts nut fastening, promptly the circuit breaker in the feeding switch or the contactor in the magnetic starter and binding post are coupled together with bolt and lead.This connected mode maintainability is very poor, because when equipment broke down, the user usually needed circuit breaker or contactor disassembled in the housing and repairs or replaces.Like this, just fastening bolt must be disassembled one by one, again bolt be screwed one by one after the maintenance.Because the operating space is limited in the cavity of feeding switch and magnetic starter, usually make dismounting and installment work very difficult, so the user welcomes time saving and energy saving collision type to connect very much.At present, domestic collision type contact connects two kinds of forms basically, and though bolt-type and bayonet type are these two kinds of forms.Basically can satisfy user's needs, but also there are following some shortcomings: 1, it is higher to neutrality to require plug and jack or plug and bayonet socket to have, otherwise, will cause plug can't insert jack (for bolt-type), or plug stressed irregular (for bayonet type) in bayonet socket.2, plug and jack or plug and bayonet socket mutual friction mutually cause wearing and tearing.3, firmly, also not laborsaving during separation during connection.
The purpose of this utility model just provides a kind of device that collision connects by the dynamic/static contact end face.It can avoid colliding the wearing and tearing of dynamic/static contact when connecting, reduced to dynamic/static contact to requirement of neutral, and reduced the dynamics of dynamic/static contact when separating.
The utility model is achieved in that the moving contact middle part is connected with the connector lug of lead, and moving contact drives connector lug motion together during collision.Because lead has flexibility,, do not influence being connected of moving contact and fixed contact so it does not influence the motion of moving contact yet.At the afterbody of moving contact one compression spring is installed, is guaranteed the pressure between dynamic/static contact.When dynamic/static contact separates, discharge potential energy and reduce operating personnel's operating force.
The utlity model has following advantage: 1. because dynamic/static contact leans on end face to connect, even dynamic/static contact exists some dimensional discrepancys and position deviation, as long as the dynamic/static contact diameter enough too, pressure between dynamic/static contact enough too just can satisfy the requirement of current density to contact resistance, thereby has reduced the difficulty of processing cost and adjustment.2. because dynamic/static contact connects by end face, do not produce friction each other, thereby avoided wearing and tearing.3. when dynamic/static contact separates, can use the potential energy that is stored in the spring, reduce labour intensity.
The concrete structure of utility model is provided by following embodiment and accompanying drawing.
Fig. 1 is the structure chart of positive-pressure type collision contact apparatus
Fig. 2 is that the branch of positive-pressure type collision contact apparatus touches figure
1. moving contacts, 2. linings, 3. leads, 4. nuts, 5. spring washers, 6. plain washers, 7. springs, 8. ends 9. fixed contact among the figure
The first end car of movable contact has screw thread in Fig. 1, and an end is a cylinder.Be milled with two planes parallel to each other on the cylinder so that screw nut.Lead mainly puts the copper pipe compacting by soft litzendraht wire or copper brush line and forms at two ends.Copper pipe flattens the connector lug that back boring can be made lead.Connector lug with lead during assembling is enclosed within on the screw thread of moving contact, moving contact is inserted on the lining after screwing nut collar, adds upper spring at last and gets final product.When this positive-pressure type collision contact was done relative motion with the fixed contact 9 that collides with it, moving contact promptly was subjected to the normal pressure of fixed contact, and the connector lug that drives lead after overcoming the pressure of spring is done retracting motion.Along with stroke strengthens, the pressure between two contacts constantly increases, and little till to a certain degree up to contact resistance, dynamic/static contact and lead have just formed path like this.
Claims (3)
1. one kind is used for flame-proof mine feeding switch and magnetic starter under the coal mine, also can be used for the major loop positive-pressure type collision contact apparatus in universal feeding switch in ground and the magnetic starter, be made up of moving contact 1, lining 2, lead 3, nut 4, spring washer 5, plain washer 6, spring 7, base 8 and fixed contact 9, it is characterized in that: moving contact 1 hits with fixed contact 9 end face magnetic and contacts.
2. according to claim 1 described device, it is characterized in that lead 3 is connected on the moving contact 1, make dynamic/static contact and lead form path.
3. according to claim 1 described device, it is characterized in that the afterbody of moving contact 1 is equipped with a compression spring, guarantee the pressure between dynamic and static contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00207985 CN2425417Y (en) | 2000-04-13 | 2000-04-13 | Positive voltage impact contact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00207985 CN2425417Y (en) | 2000-04-13 | 2000-04-13 | Positive voltage impact contact device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2425417Y true CN2425417Y (en) | 2001-03-28 |
Family
ID=33575491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00207985 Expired - Fee Related CN2425417Y (en) | 2000-04-13 | 2000-04-13 | Positive voltage impact contact device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2425417Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375989A (en) * | 2012-04-28 | 2013-10-30 | 天龙科技炉业(无锡)有限公司 | Novel power connection device for bell-type furnace |
| CN105826094A (en) * | 2016-05-17 | 2016-08-03 | 华中科技大学 | Adaptive large-current DC switch |
| CN112435875A (en) * | 2020-12-08 | 2021-03-02 | 安徽宝泰特种材料有限公司 | Touch switch device capable of bearing super-large current |
| CN112713015A (en) * | 2020-12-14 | 2021-04-27 | 河南平高电气股份有限公司 | Contact fastening connection structure and high-voltage switch equipment |
-
2000
- 2000-04-13 CN CN 00207985 patent/CN2425417Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375989A (en) * | 2012-04-28 | 2013-10-30 | 天龙科技炉业(无锡)有限公司 | Novel power connection device for bell-type furnace |
| CN105826094A (en) * | 2016-05-17 | 2016-08-03 | 华中科技大学 | Adaptive large-current DC switch |
| CN105826094B (en) * | 2016-05-17 | 2018-02-23 | 华中科技大学 | A kind of adaptive heavy DC switch |
| CN112435875A (en) * | 2020-12-08 | 2021-03-02 | 安徽宝泰特种材料有限公司 | Touch switch device capable of bearing super-large current |
| CN112713015A (en) * | 2020-12-14 | 2021-04-27 | 河南平高电气股份有限公司 | Contact fastening connection structure and high-voltage switch equipment |
| CN112713015B (en) * | 2020-12-14 | 2024-04-05 | 河南平高电气股份有限公司 | Contact fastening connection structure and high-voltage switch equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |