CN105513839A - Electrical switching brake pull rod - Google Patents
Electrical switching brake pull rod Download PDFInfo
- Publication number
- CN105513839A CN105513839A CN201610012336.9A CN201610012336A CN105513839A CN 105513839 A CN105513839 A CN 105513839A CN 201610012336 A CN201610012336 A CN 201610012336A CN 105513839 A CN105513839 A CN 105513839A
- Authority
- CN
- China
- Prior art keywords
- insulating bar
- switch contact
- connecting hole
- hole
- switch
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/056—Tools for actuating a switch
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses an electrical switching brake pull rod, and belongs to the technical field of tools for power systems. The electrical switching brake pull rod comprises a hollow insulating rod, wherein a switch contact I and a switch contact II are fixedly arranged on the top circumference of the insulating rod; the switch contact I is provided with a U-shaped opening matched with an air switch operating handle; two sidewalls forming the U-shaped opening are arranged on upper and lower parts along an axial direction of the insulating rod; a round hole matched with a cylindrical switch operating handle of a main switch is formed in the center of the switch contact II; a central axis of the round hole is perpendicular to a central axis of the insulating rod. The electrical switching brake pull rod can be applied to both an air switch and the main switch with the cylindrical switch operating handle, and is wide in application range and convenient to operate.
Description
Technical field
The present invention relates to one to operate a switch device, especially a kind of back brake brake pull-rod, belongs to electric power system technical field of tools.
Background technology
Electric equipment is divided into operation, (cold standby and stand-by heat) for subsequent use, maintenance three kinds of states.By equipment by a kind of state-transition be the process of another kind of state back brake, the operation carried out is grid switching operation.Grid switching operation by disconnecting switch operation, circuit breaker and switch be generally cylindrical bar total lock by electric equipment from a kind of State Transferring be another kind of state or make system change operational mode.Grid switching operation must executable operations ticket system and work monitoring system.Isolating switch, circuit breaker and switch are that total lock of cylindrical bar is generally arranged on eminence, carry out grid switching operation often by brake pull-rod to overcome height problem, brake pull-rod is the insulating tool operated charging equipment for the short time, existing brake pull-rod is generally the insulating bar of an original work form, switch is upwards pushed up the operation that can realize closing a floodgate by brake pull-rod top when closing operation is carried out to isolating switch and circuit breaker, but because the form reason of switch block makes existing insulating bar cannot realize the operation of disconnected lock when needing to disconnect isolating switch and circuit breaker, simultaneously operating grip is that the existing brake pull-rod of grid switching operation of total lock of cylindrical bar cannot realize especially.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of electric power back brake brake pull-rod, can be applicable to air switch and switching manipulation handle is columniform total lock simultaneously, applied widely, simple operation.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of electric power back brake brake pull-rod, comprise hollow insulating bar, described insulating bar top circumference is fixed with switch contact I and switch contact II, described switch contact I is provided with the U-shaped opening matched with air switch operation handle, two sidewalls forming U-shaped opening are arranged along insulating bar is axially lower, described switch contact II center is provided with the circular hole matched with the cylindrical switch operating grip of total lock, and described center of circular hole axis and insulating bar central axis upright are arranged.
The further improvement of technical solution of the present invention is: the U-shaped opening back side of described switch contact I is the arc surface coordinated with insulating bar excircle.
The further improvement of technical solution of the present invention is: described switch contact II side is provided with the arc surface matched with insulating bar excircle.
The further improvement of technical solution of the present invention is: described insulating bar top is provided with the connecting hole I run through along insulating bar radial direction, switch contact I establishes the blind hole I of screw thread in corresponding setting with connecting hole I with the arc surface that insulating bar excircle matches is provided with, switch contact II is provided with through hole, switch contact II, insulating bar and switch contact I three be bolted connection.
The further improvement of technical solution of the present invention is: described through hole is counter sink, and bolt head sinks in the counter sink of through hole.
The further improvement of technical solution of the present invention is: the sidewall of described U-shaped open upper end is provided with guiding surface, and described guiding surface is tilted to inferoanterior by the sidewall end face of U-shaped open upper end.
The further improvement of technical solution of the present invention is: the blind hole II of establishing screw thread in the arc surface that described switch contact I matches with insulating bar excircle is also provided with, insulating bar is provided with the connecting hole II corresponding with blind hole II and connecting hole III, connecting hole II and connecting hole III are arranged along the radial concentric of insulating bar, connecting hole II diameter arranged with switch contact I homonymy is less than connecting hole III diameter, the hollow inwall of insulating bar of connecting hole II correspondence is provided with the crisscross screw of locking that to match with the blind hole II on switch contact I, the diameter of described screw is less than the diameter of connecting hole III.
Owing to have employed technique scheme, the technological progress that the present invention obtains is:
Insulating bar of the present invention is provided with switch contact I and switch contact II, switch contact I is provided with the U-shaped opening matched with air switch operation handle, air switch also pulls insulating bar can control the opening and closing of air switch up and down U-shaped open card, realize the rapid grid switching operation of air switch; Switch contact II center is provided with the circular hole matched with the cylindrical switch operating grip of total lock, operating grip circular hole being inserted in total lock pull insulating bar can realize the grid switching operation of total lock up and down, solve common brake pull-rod because the unworkable difficult problem that causes of the cylindrical shape of total lock operating grip, what circular hole and total lock operating grip were similar to after socket-connecting simultaneously forms a whole, can to right the wrong rapidly operation when finding total lock grid switching operation mistake, operation is not more rapidly reliably.
Switch contact I and switch contact II are with insulating bar contact-making surface the arc surface coordinated with insulating bar excircle, arc surface and insulating bar excircle are fitted completely, make the contact area of switch contact I and switch contact II and insulating bar larger, fastening more firm, that avoids operating process breaker in middle contact I and switch contact II looseningly causes crucial moment cannot normal running.
The sidewall of U-shaped open upper end is provided with guiding surface, grid switching operation makes first operating personnel need to be engaged mutually with the operating grip of air switch by the U-shaped opening of switch contact I bottom hand-held insulating bar, longer insulating bar causes operating personnel often to need repeated multiple timesly just to complete, guiding surface guides U-shaped opening to be engaged accurately rapidly with the operating grip of air switch, increase work efficiency, also make grid switching operation perform timely.
Switch contact II, insulating bar and switch contact I three be bolted connection, insulating bar top is provided with the connecting hole I run through along insulating bar radial direction, switch contact I arc surface is provided with the blind hole I of establishing screw thread in setting corresponding with connecting hole I, switch contact II is provided with through hole, through hole is counter sink, bolt thread portion enters blind hole part, bolt head sinks in the counter sink of through hole, material is that bolt two of metal is not exposed, and avoids, in grid switching operation, potential safety hazard occurs.
That establishes blind hole II, two blind holes of screw thread in the arc surface of switch contact I is also provided with except blind hole I is arranged so that the fixing more firm of switch contact I.Insulating bar is provided with the connecting hole II corresponding with the blind hole II on switch contact I and connecting hole III, connecting hole II and connecting hole III are arranged on insulating bar both sides with one heart, connecting hole II diameter arranged with switch contact I homonymy is less than connecting hole III diameter, during assembling, Phillips screwdriver being adsorbed crisscross screw entirety realizes fastening through after connecting hole III by switch contact I and insulating bar, screw is finally hidden in insulating bar central interior, material is that screw two of metal is not exposed, and avoids, in grid switching operation, potential safety hazard occurs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is insulating bar top structure schematic diagram of the present invention;
Fig. 3 is switch contact I structural representation;
Fig. 4 is switch contact II structural representation;
Fig. 5 is insulating bar top fragmentary sectional view of the present invention;
Wherein, 1, insulating bar, 2, switch contact I, 3, switch contact II, 4, U-shaped opening, 5, circular hole, 6, connecting hole I, 7, blind hole I, 8, through hole, 9, bolt, 10, guiding surface, 11, blind hole II, 12, connecting hole II, 13, screw, 14, connecting hole III.
Embodiment
Below in conjunction with embodiment, the present invention is described in further details:
As shown in Figure 1, 2, a kind of electric power back brake brake pull-rod, comprise hollow insulating bar 1, insulating bar 1 top circumference is fixed wtih switch contact I 2 and switch contact II 3, switch contact I 2 is provided with U-shaped opening 4, and U-shaped opening 4 matches with air switch operation handle, and two sidewalls forming U-shaped opening 4 are arranged along insulating bar 1 is axially lower, being stuck in by U-shaped opening 4 on air switch also pulls insulating bar 1 can control the opening and closing of air switch up and down, realizes the rapid grid switching operation of air switch; The sidewall of U-shaped opening 4 upper end is provided with guiding surface 10, guiding surface 10 is tilted to inferoanterior by the sidewall end face of U-shaped opening 4 upper end, grid switching operation makes first operating personnel need to be engaged mutually with the operating grip of air switch by the U-shaped opening 4 of switch contact I 2 bottom hand-held insulating bar 1, guiding surface 10 guides U-shaped opening 4 to be engaged accurately rapidly with the operating grip of air switch, increase work efficiency, also make grid switching operation perform timely.Switch contact II 3 center is provided with circular hole 5, circular hole 5 matches with the cylindrical switch operating grip of total lock, circular hole 5 central axis and insulating bar 1 central axis upright are arranged, operating grip circular hole 5 being inserted in total lock pull insulating bar 1 can realize the grid switching operation of total lock up and down, solve common brake pull-rod because the unworkable difficult problem that causes of the cylindrical shape of total lock operating grip, what circular hole 5 and total lock operating grip were similar to after socket-connecting simultaneously forms a whole, can to right the wrong rapidly operation when finding total lock grid switching operation mistake, operation is reliable more rapidly.
As shown in Figure 3,4, U-shaped opening 4 back side of switch contact I 2 is the arc surface coordinated with insulating bar 1 excircle, switch contact II 3 side is provided with the arc surface matched with insulating bar 1 excircle, arc surface and insulating bar 1 excircle are fitted completely, make the contact area of switch contact I 2 and switch contact II 3 and insulating bar 1 larger, fastening more firm, that avoids operating process breaker in middle contact I 2 and switch contact II 3 looseningly causes crucial moment cannot normal running.
Insulating bar 1 top is provided with connecting hole I 6, connecting hole I 6 runs through along insulating bar 1 radial direction, the arc surface that switch contact I 2 matches with insulating bar 1 excircle is provided with blind hole I 7, blind hole I 7 establishes the screwed hole of screw thread in being, switch contact II 3 is provided with through hole 8, the whole thickness of through hole 8 penetrating switch contact II 3, and through hole 8 is counter sink, switch contact II 3, insulating bar 1 and switch contact I 2 three are fastenedly connected by bolt 9, bolt 9 head sinks in the counter sink of through hole 8, bolt 9 threaded portion enters in blind hole I 7, bolt 9 head sinks in the counter sink of through hole 8, material is that bolt 9 two of metal is not exposed, avoid, in grid switching operation, potential safety hazard occurs.
The arc surface that switch contact I 2 matches with insulating bar 1 excircle is also provided with blind hole II 11, blind hole II 11 establishes the screwed hole of screw thread in being, blind hole I 7 and blind hole II 11 are arranged along insulating bar is axially lower, that establishes blind hole II 11, two blind holes of screw thread in the arc surface of switch contact I 2 is also provided with except blind hole I 7 is arranged so that the fixing more firm of switch contact I 2.As shown in Figure 5, insulating bar 1 is provided with the connecting hole II 12 corresponding with blind hole II 11 and connecting hole III 14, connecting hole II 12 and connecting hole III 14 are arranged along the radial concentric of insulating bar, and connecting hole II 12 and connecting hole III 14 are arranged on insulating bar 1 both sides, connecting hole II 12 diameter arranged with switch contact I 2 homonymy is less than connecting hole III 14 diameter, the hollow inwall of insulating bar 1 of connecting hole II 12 correspondence is provided with crisscross screw 13, switch contact I 2 is fixed on insulating bar 1 excircle by crisscross screw 13, the diameter of crisscross screw 13 is less than the diameter of connecting hole III 14, during assembling, Phillips screwdriver being adsorbed crisscross screw 13 entirety realizes fastening through after connecting hole III 14 by switch contact I 2 and insulating bar 1, crisscross screw 13 is finally hidden in insulating bar 1 central interior, material is that crisscross screw 13 two of metal is not exposed, avoid, in grid switching operation, potential safety hazard occurs.
Claims (7)
1. an electric power back brake brake pull-rod, comprise hollow insulating bar (1), it is characterized in that: described insulating bar (1) top circumference is fixed with switch contact I (2) and switch contact II (3), described switch contact I (2) is provided with the U-shaped opening (4) matched with air switch operation handle, two sidewalls forming U-shaped opening (4) are arranged along insulating bar (1) is axially lower, described switch contact II (3) center is provided with the circular hole (5) matched with the cylindrical switch operating grip of total lock, described circular hole (5) central axis and insulating bar (1) central axis upright are arranged.
2. a kind of electric power back brake brake pull-rod according to claim 1, is characterized in that: U-shaped opening (4) back side of described switch contact I (2) is the arc surface coordinated with insulating bar (1) excircle.
3. a kind of electric power back brake brake pull-rod according to claim 1, is characterized in that: described switch contact II (3) side is provided with the arc surface matched with insulating bar (1) excircle.
4. a kind of electric power back brake brake pull-rod according to claim 2, it is characterized in that: described insulating bar (1) top is provided with the connecting hole I (6) run through along insulating bar (1) radial direction, the arc surface that switch contact I (2) and insulating bar (1) excircle match is provided with the corresponding setting of connecting hole I (6) in establish the blind hole I (7) of screw thread, switch contact II (3) is provided with through hole (8), switch contact II (3), insulating bar (1) and switch contact I (2) three are fastenedly connected by bolt (9).
5. a kind of electric power back brake brake pull-rod according to claim 4, it is characterized in that: described through hole (8) is counter sink, bolt (9) head sinks in the counter sink of through hole (8).
6. a kind of electric power back brake brake pull-rod according to claim 1, is characterized in that: the sidewall of described U-shaped opening (4) upper end is provided with guiding surface (10), and described guiding surface (10) is tilted to inferoanterior by the sidewall end face of U-shaped opening (4) upper end.
7. a kind of electric power back brake brake pull-rod according to claim 4, it is characterized in that: the blind hole II (11) of establishing screw thread in the arc surface that described switch contact I (2) matches with insulating bar (1) excircle is also provided with, insulating bar (1) is provided with the connecting hole II (12) corresponding with blind hole II (11) and connecting hole III (14), connecting hole II (12) and connecting hole III (14) are arranged along the radial concentric of insulating bar, connecting hole II (12) diameter arranged with switch contact I (2) homonymy is less than connecting hole III (14) diameter, insulating bar (1) the hollow inwall that connecting hole II (12) is corresponding is provided with the crisscross screw (13) of locking that to match with the blind hole II (11) on switch contact I (2), the diameter of described screw (13) is less than the diameter of connecting hole III (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012336.9A CN105513839B (en) | 2016-01-11 | 2016-01-11 | A kind of electric power back brake brake pull-rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012336.9A CN105513839B (en) | 2016-01-11 | 2016-01-11 | A kind of electric power back brake brake pull-rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105513839A true CN105513839A (en) | 2016-04-20 |
| CN105513839B CN105513839B (en) | 2018-02-23 |
Family
ID=55721742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610012336.9A Active CN105513839B (en) | 2016-01-11 | 2016-01-11 | A kind of electric power back brake brake pull-rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105513839B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201408933Y (en) * | 2009-05-06 | 2010-02-17 | 辽宁省电力有限公司阜新供电公司 | Portable insulation electricity-inspection operating device |
| US20100293720A1 (en) * | 2009-05-19 | 2010-11-25 | Link-tech (Tianjin) Metal Products Co., Ltd. | Crimping tool with an electronic counting device |
| CN201936756U (en) * | 2010-12-09 | 2011-08-17 | 河南省电力公司许昌供电公司 | Operating tool for air switch |
| CN202258851U (en) * | 2011-10-18 | 2012-05-30 | 瑞安电力有限责任公司 | Operating component special for distribution transformation switch |
| CN203481066U (en) * | 2013-10-09 | 2014-03-12 | 国家电网公司 | Air switch auxiliary opening tool |
-
2016
- 2016-01-11 CN CN201610012336.9A patent/CN105513839B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201408933Y (en) * | 2009-05-06 | 2010-02-17 | 辽宁省电力有限公司阜新供电公司 | Portable insulation electricity-inspection operating device |
| US20100293720A1 (en) * | 2009-05-19 | 2010-11-25 | Link-tech (Tianjin) Metal Products Co., Ltd. | Crimping tool with an electronic counting device |
| CN201936756U (en) * | 2010-12-09 | 2011-08-17 | 河南省电力公司许昌供电公司 | Operating tool for air switch |
| CN202258851U (en) * | 2011-10-18 | 2012-05-30 | 瑞安电力有限责任公司 | Operating component special for distribution transformation switch |
| CN203481066U (en) * | 2013-10-09 | 2014-03-12 | 国家电网公司 | Air switch auxiliary opening tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105513839B (en) | 2018-02-23 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: State Grid Hebei Electric Power Co., Ltd. Applicant after: Power supply branch of Wuji County, Hebei Electric Power Co., Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: State Grid Hebei Electric Power Company Applicant before: WUJI POWER SUPPLY BRANCH OF STATE GRID HEBEI ELECTRIC POWER COMPANY |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |