CN209515493U - A kind of mechanical interlocks - Google Patents
A kind of mechanical interlocks Download PDFInfo
- Publication number
- CN209515493U CN209515493U CN201920556345.3U CN201920556345U CN209515493U CN 209515493 U CN209515493 U CN 209515493U CN 201920556345 U CN201920556345 U CN 201920556345U CN 209515493 U CN209515493 U CN 209515493U
- Authority
- CN
- China
- Prior art keywords
- plate
- rope
- mechanical interlocks
- interlock plate
- semiaxis
- 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
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to high-tension switch gear fields, disclose a kind of mechanical interlocks.The mechanical interlocks includes interlock plate, limit plate, dynamic clamping head and quiet clamping head, blocking lever, semiaxis bent plate and locking plate, is articulated in circuit breaker housing in the middle part of interlock plate, and one end is connect by rope with three station manipulation valves；Limit plate is set on combined floodgate main shaft baffle；One end of dynamic clamping head and quiet clamping head is connected to the one end of interlock plate far from rope, and the other end is connected in circuit breaker housing；One end of blocking lever is slidably connected to the one end of interlock plate far from rope；Semiaxis bent plate is set in floodgate semiaxis；Locking plate is articulated in circuit breaker housing between interlock plate and floodgate semiaxis, and blocking lever is articulated on locking plate far from one end of interlock plate.The utility model structure is simple, easy to operate, and manufacture installation cost is low, and high safety and reliability, maintenance and repair is at low cost, can play the function of two-way interlocking, effectively prevents the generation of peril.
Description
Technical field
The utility model relates to high-tension switch gear field more particularly to a kind of mechanical interlocks.
Background technique
The open position and ground connection that three-station has the closing position of main fracture of isolating switch connection, main fracture separated
The earthing position of side.Breaker is to refer to close, carry and cut-off the electric current under normal loop condition, and can close, advise
The switching device of the electric current under abnormal loop condition is carried and cut-off in the fixed time.Breaker can be used to distribute electric energy, not frequently
Start asynchronous motor numerously, the implementations such as power circuit and motor are protected, when serious overload or short circuit occurs in they
And when the failures such as under-voltage can automatic shutdown circuit, the combination that function is equivalent to Fuse switch and crosses underheat relay etc..
For the switchgear equipped with three-station, breaker is needed not allow to operate three works when being in "on" position
Bit switch, breaker allow to operate three-station when being in gate-dividing state；It could make and break road after three-station operation in place
Device, operation is not in place cannot to close breaker.
However, in the prior art, the mechanical interlocks of breaker and three-station is most of to be interlocked using two sets,
I.e. breaker operator operates the interlocking to breaker, the mechanical interlocks knot to the interlocking of three-station and three-station
Structure is complicated, and security reliability is low, and maintenance and repair is at high cost.
Utility model content
Based on problem above, the purpose of this utility model is to provide a kind of mechanical interlocks, and structure is simple, safely may be used
By property height, maintenance and repair is at low cost.
In order to achieve the above object, the utility model uses following technical scheme:
A kind of mechanical interlocks, comprising:
Interlock plate, middle part are articulated in circuit breaker housing, and one end is connect by rope with three station manipulation valves；
Limit plate is set on combined floodgate main shaft baffle, when the combined floodgate main shaft baffle is in closing position, the limit plate
It can be resisted against on the interlock plate, be rotated counterclockwise with limiting the interlock plate；
Dynamic clamping head and quiet clamping head, one end are connected to the one end of the interlock plate far from the rope, and the other end is connected to described
In circuit breaker housing；
Blocking lever, one end are slidably connected to the one end of the interlock plate far from the rope；
Semiaxis bent plate, is set in floodgate semiaxis；
Locking plate between the interlock plate and the floodgate semiaxis, and is articulated in the circuit breaker housing, described
Blocking lever is articulated on the locking plate far from one end of the interlock plate, when the locking plate rotates clockwise, can be limited
The semiaxis bent plate blocks, and is rotated counterclockwise with limiting the floodgate semiaxis.
The preferred embodiment of mechanical interlocks as the utility model, the blocking lever is close to one end of the interlock plate
It is provided with sliding slot, the interlock plate is provided with the convex block with sliding slot cooperation close to one end of the blocking lever.
The preferred embodiment of mechanical interlocks as the utility model, the blocking lever include two connecting rods at both ends
With intermediate threaded rod, position is adjustably connected in two connecting rods respectively at the both ends of the threaded rod.
The preferred embodiment of mechanical interlocks as the utility model, the company of the threaded rod and two connecting rods
The place of connecing is provided with fastening nut.
The preferred embodiment of mechanical interlocks as the utility model is provided with limit card slot on the locking plate, institute
State the limit card block being provided in circuit breaker housing with limit card slot cooperation.
The preferred embodiment of mechanical interlocks as the utility model, the semiaxis bent plate is backwards to the one of the locking plate
Side is provided with stop block.
The preferred embodiment of mechanical interlocks as the utility model is provided with locating piece in the circuit breaker housing,
The locating piece is for positioning the position that the rope penetrates in the circuit breaker housing.
The preferred embodiment of mechanical interlocks as the utility model, the interlock plate are set close to one end of the rope
It is equipped with connecting plate, the rope is arranged in the connecting plate.
The preferred embodiment of mechanical interlocks as the utility model is provided with fixing piece on the connecting plate, described
Rope is wound on the fixing piece.
The preferred embodiment of mechanical interlocks as the utility model, the dynamic clamping head and quiet clamping head is far from the interlock plate
One end is connected with fixed angle plate, and the fixed angle plate is connected in the circuit breaker housing.
The utility model has the following beneficial effects:
Mechanical interlocks provided by the utility model, when breaker closing, the limit plate on combined floodgate main shaft baffle is supported
It is against on interlock plate, and interlock plate is prevented to rotate counterclockwise, pull downward on rope can not, that is, fail to open three-station,
Three-station is fail to open when ensuring breaker closing；When needing to open three-station, it is necessary to first by breaker point
Lock, limit plate and interlock plate are detached from, and are no longer prevented from interlock plate and are rotated counterclockwise；When opening three-station, rope is pulled to open
Three-station is opened, interlock plate rotates counterclockwise, and blocking lever, which moves upwards, drives locking plate to rotate clockwise, and locking plate is by semiaxis
Bent plate blocks, prevent floodgate semiaxis rotate counterclockwise, since floodgate semiaxis is in close state, the closing by hand of combined floodgate main shaft and
Electric switch-on operation is failed, it is ensured that can not close a floodgate breaker when three-station unlatching.The utility model structure is simple, behaviour
Facilitate, manufacture installation cost is low, and high safety and reliability, maintenance and repair is at low cost, can play the function of two-way interlocking, meets
Functional requirement of the electric system to high-tension switch gear, effectively prevents the generation of peril.
Detailed description of the invention
It, below will be to the utility model embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to the content of the utility model embodiment and these attached drawings.
Fig. 1 is the structural schematic diagram for the mechanical interlocks that specific embodiment of the present invention provides.
In figure:
1- interlock plate；11- connecting plate；111- fixing piece；
2- rope；21- locating piece；
3- limit plate；
4- dynamic clamping head and quiet clamping head；41- fixed angle plate；
5- blocking lever；501- sliding slot；502- convex block；51- connecting rod；52- threaded rod；521- fastening nut；
6- semiaxis bent plate；61- stop block；
7- locking plate；71- limit card slot；72- limit card block；
100- circuit breaker housing；200- combined floodgate main shaft baffle；300- floodgate semiaxis.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
It is described in further detail below in conjunction with technical solution of the attached drawing to the utility model embodiment, it is clear that described reality
Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
It is practical new to belong to this for those skilled in the art's every other embodiment obtained without creative efforts
The range of type protection.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.Wherein, term " first
Set " and " second position " be two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is practical new at this with concrete condition
Concrete meaning in type.
The present embodiment provides a kind of mechanical interlocks, it is particularly suitable for three-station in high-tension switch gear and disconnected
In the interlocking operation of road device, as shown in Figure 1, the mechanical interlocks includes interlock plate 1, limit plate 3, dynamic clamping head and quiet clamping head 4, interlocking
Bar 5, semiaxis bent plate 6 and locking plate 7.Specifically, the middle part of interlock plate 1 is articulated in circuit breaker housing 100, and one end passes through rope
Rope 2 is connect with three station manipulation valve (not shown)s；Limit plate 3 is set on combined floodgate main shaft baffle 200, combined floodgate main shaft baffle
200 be in closing position when, limit plate 3 can be resisted against on interlock plate 1, be rotated counterclockwise with limiting interlock plate 1；Elastic reset
One end of part 4 is connected to the one end of interlock plate 1 far from rope 2, and the other end is connected in circuit breaker housing 100；The one of blocking lever 5
End is slidably connected to the one end of interlock plate 1 far from rope 2；Semiaxis bent plate 6 is set in floodgate semiaxis 300；Locking plate 7 is located at connection
It between jam plate 1 and floodgate semiaxis 300, and is articulated in circuit breaker housing 100, blocking lever 5 is articulated in far from one end of interlock plate 1
On locking plate 7, when locking plate 7 rotates clockwise, semiaxis bent plate 6 can be limited and blocked, turned counterclockwise with limiting floodgate semiaxis 300
It is dynamic.
It should be noted that in the prior art, only when floodgate semiaxis 300 in the open state, breaker just can be carried out
The closing operation of combined floodgate main shaft；When floodgate semiaxis 300 is in close state (i.e. position in Fig. 1), the manual conjunction of combined floodgate main shaft
Lock and electric switch-on operation are failed.The connection type and structure of rope 2 and three station manipulation valves are the prior art, herein not
It repeats again.
When breaker closing, the limit plate 3 on combined floodgate main shaft baffle 200 is resisted against on interlock plate 1, and prevents interlock plate
1 rotates counterclockwise, and pull downward on rope 2 can not, that is, fail to open three-station, it is ensured that can not open when breaker closing
Open three-station；When needing to open three-station, it is necessary to first breaker open operation, limit plate 3 and interlock plate 1 are detached from,
Interlock plate 1 is no longer prevented to rotate counterclockwise；When opening three-station, rope 2 is pulled to open three-station, interlock plate 1
It rotates counterclockwise, blocking lever 5, which moves upwards, drives locking plate 7 to rotate clockwise, and locking plate 7 blocks semiaxis bent plate 6, prevents to close
Lock semiaxis 300 rotates counterclockwise, since floodgate semiaxis 300 is in close state, the closing by hand and electric switch-on of combined floodgate main shaft
Operation is failed, it is ensured that can not close a floodgate breaker when three-station unlatching.
The installation site in circuit breaker housing 100 is penetrated for convenience of positioning rope 2, optionally, is set in circuit breaker housing 100
It is equipped with locating piece 21.Optionally, locating piece 21 is the interior nut for setting through-hole, and materials are convenient, at low cost, registration.For convenience
Rope 2 is fixed on interlock plate 1, optionally, interlock plate 1 is provided with connecting plate 11 close to one end of rope 2, and rope 2 is worn
In connecting plate 11.Optionally, fixing piece 111 is provided on connecting plate 11, rope 2 is wound on fixing piece 111.
Optionally, blocking lever 5 is provided with sliding slot 501 close to one end of interlock plate 1, and interlock plate 1 is close to one end of blocking lever 5
It is provided with the convex block 502 cooperated with sliding slot 501, convenient for steadily driving blocking lever 5 to go up and down when the rotation of interlock plate 1.It is torn open to install
It unloads conveniently, optionally, blocking lever 5 includes that two connecting rods 51 at both ends and intermediate threaded rod 52, the both ends of threaded rod 52 are divided
Other position is adjustably connected in two connecting rods 51.Optionally, threaded rod 52 and the junction of two connecting rods 51 are respectively provided with
There is fastening nut 521, by adjusting the depth of fastening nut 521 tightened position and adjust the both ends screw-in connecting rod 51 of threaded rod 52
Degree, needed for adjusting the length of blocking lever 5 to adapt under different operating conditions.
Optionally, dynamic clamping head and quiet clamping head 4 is connected with fixed angle plate 41 far from one end of interlock plate 1, and fixed angle plate 41 is connected to
In circuit breaker housing 100.To reduce cost, materials are convenient, and optionally, dynamic clamping head and quiet clamping head 4 is spring.Optionally, on locking plate 7
It is provided with limit card slot 71, the limit card block 72 cooperated with limit card slot 71 is provided in circuit breaker housing 100, to limit locking
The rotational angle range of plate 7 avoids interfering with other parts.Optionally, semiaxis bent plate 6 is provided with backwards to the side of locking plate 7
Stop block 61 avoids interfering with other parts, improves space utilization rate to limit the rotational angle range of semiaxis bent plate 6.
Mechanical interlocks provided in this embodiment, mainly includes the following three types state at work:
When breaker closing, the limit plate 3 on combined floodgate main shaft baffle 200 is resisted against on interlock plate 1, and prevents interlock plate
1 rotates counterclockwise, and pull downward on rope 2 can not, that is, fail to open three-station, it is ensured that can not open when breaker closing
Open three-station；
When needing to open three-station, it is necessary to first be detached from breaker open operation, limit plate 3 and interlock plate 1, no longer hinder
Only interlock plate 1 rotates counterclockwise；
When opening three-station, rope 2 is pulled to open three-station, interlock plate 1 rotates counterclockwise, blocking lever 5
It moves upwards and locking plate 7 is driven to rotate clockwise, locking plate 7 blocks semiaxis bent plate 6, and floodgate semiaxis 300 is prevented to turn counterclockwise
Dynamic, since floodgate semiaxis 300 is in close state, closing by hand and the electric switch-on operation of combined floodgate main shaft are failed, it is ensured that
Can not close a floodgate breaker when three-station unlatching.
Mechanical interlocks structure provided in this embodiment is simple, easy to operate, and manufacture installation cost is low, security reliability
Height, maintenance and repair is at low cost, can play the function of two-way interlocking, and meeting electric system needs the function of high-tension switch gear
It asks, effectively prevents the generation of peril.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment here, is able to carry out for a person skilled in the art various apparent
Variation is readjusted and is substituted without departing from the protection scope of the utility model.Therefore, although by above embodiments to this
Utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from this reality
It can also include more other equivalent embodiments in the case where with novel design, and the scope of the utility model is by appended power
Sharp claimed range determines.
Claims (10)
1. a kind of mechanical interlocks characterized by comprising
Interlock plate (1), middle part are articulated in circuit breaker housing (100), and one end is connected by rope (2) and three station manipulation valves
It connects；
Limit plate (3) is set on combined floodgate main shaft baffle (200), when the combined floodgate main shaft baffle (200) is in closing position,
The limit plate (3) can be resisted against on the interlock plate (1), be rotated counterclockwise with limiting the interlock plate (1)；
Dynamic clamping head and quiet clamping head (4), one end are connected to the one end of the interlock plate (1) far from the rope (2), and the other end is connected to
In the circuit breaker housing (100)；
Blocking lever (5), one end are slidably connected to the one end of the interlock plate (1) far from the rope (2)；
Semiaxis bent plate (6) is set on floodgate semiaxis (300)；
Locking plate (7) between the interlock plate (1) and the floodgate semiaxis (300), and is articulated in the circuit breaker housing
(100) in, the blocking lever (5) is articulated on the locking plate (7) far from the one end of the interlock plate (1), the locking plate
(7) when rotating clockwise, the semiaxis bent plate (6) can be limited and blocked, turned counterclockwise with limiting the floodgate semiaxis (300)
It is dynamic.
2. mechanical interlocks according to claim 1, which is characterized in that the blocking lever (5) is close to the interlock plate
(1) one end is provided with sliding slot (501), and the interlock plate (1) is provided with and the sliding slot close to the one end of the blocking lever (5)
(501) convex block (502) cooperated.
3. mechanical interlocks according to claim 1, which is characterized in that the blocking lever (5) includes two of both ends
The threaded rod (52) of connecting rod (51) and centre, position is adjustably connected to described in two respectively at the both ends of the threaded rod (52)
In connecting rod (51).
4. mechanical interlocks according to claim 3, which is characterized in that the threaded rod (52) and two connections
The junction of bar (51) is provided with fastening nut (521).
5. mechanical interlocks according to claim 1, which is characterized in that be provided with limiting card on the locking plate (7)
Slot (71), the interior limit card block (72) being provided with the limit card slot (71) cooperation of the circuit breaker housing (100).
6. mechanical interlocks according to claim 1, which is characterized in that the semiaxis bent plate (6) is backwards to the locking
The side of plate (7) is provided with stop block (61).
7. mechanical interlocks according to claim 1, which is characterized in that be provided in the circuit breaker housing (100)
Locating piece (21), the locating piece (21) is for positioning the position that the rope (2) penetrates in the circuit breaker housing (100).
8. mechanical interlocks according to claim 1, which is characterized in that the interlock plate (1) is close to the rope (2)
One end be provided with connecting plate (11), the rope (2) is arranged in the connecting plate (11).
9. mechanical interlocks according to claim 8, which is characterized in that be provided with fixing piece on the connecting plate (11)
(111), the rope (2) is wound on the fixing piece (111).
10. -9 described in any item mechanical interlocks according to claim 1, which is characterized in that the dynamic clamping head and quiet clamping head (4) is remote
One end from the interlock plate (1) is connected with fixed angle plate (41), and the fixed angle plate (41) is connected to the circuit breaker housing
(100) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920556345.3U CN209515493U (en) | 2019-04-23 | 2019-04-23 | A kind of mechanical interlocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920556345.3U CN209515493U (en) | 2019-04-23 | 2019-04-23 | A kind of mechanical interlocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209515493U true CN209515493U (en) | 2019-10-18 |
Family
ID=68188474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920556345.3U Active CN209515493U (en) | 2019-04-23 | 2019-04-23 | A kind of mechanical interlocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209515493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739165A (en) * | 2019-11-05 | 2020-01-31 | 许继集团有限公司 | Three-position switch operating handle limiting device and three-position switch interlocking device |
| CN110931286A (en) * | 2019-11-05 | 2020-03-27 | 许继集团有限公司 | Switchgear and three-position switch and circuit breaker interlocking device thereof |
-
2019
- 2019-04-23 CN CN201920556345.3U patent/CN209515493U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739165A (en) * | 2019-11-05 | 2020-01-31 | 许继集团有限公司 | Three-position switch operating handle limiting device and three-position switch interlocking device |
| CN110931286A (en) * | 2019-11-05 | 2020-03-27 | 许继集团有限公司 | Switchgear and three-position switch and circuit breaker interlocking device thereof |
| CN110739165B (en) * | 2019-11-05 | 2021-08-03 | 许继集团有限公司 | Three-position switch operating handle limiting device and three-position switch interlocking device |
| CN110931286B (en) * | 2019-11-05 | 2021-10-22 | 许继集团有限公司 | Switchgear and three-position switch and circuit breaker interlocking device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209515493U (en) | A kind of mechanical interlocks | |
| CN102842444B (en) | Switching device | |
| CN102842445B (en) | Switching device and relevant electric power distribution system and wind power plant | |
| CN103794390B (en) | A kind of high voltage switchgear has the mechanical interlocks of double-direction control function | |
| CN107464707A (en) | A kind of protection blocking mechanism for high-voltage ring main unit | |
| CN104143454B (en) | A kind of door and high voltage load switch/circuit breaker closing locking device | |
| CN102751128B (en) | Indoor high-voltage isolating switch interlocking device | |
| CN102055142B (en) | Integrated combined electrical appliance | |
| CN209496776U (en) | A kind of mechanical interlocks | |
| CN203445074U (en) | Circuit breaker opening and closing association mechanism | |
| CN209328827U (en) | Mold cased circuit breaker | |
| CN108831780B (en) | Double-shaft mechanical interlocking device and interlocking method thereof | |
| CN205230921U (en) | Interlocking device of connection between rotation type isolator and cabinet door | |
| CN202034288U (en) | Knife switch of locking mechanism | |
| CN203300577U (en) | Operating mechanism of circuit breaker | |
| CN201698929U (en) | Blocking mechanism of high-voltage circuit breaker of power distribution cabinet | |
| CN205354947U (en) | Permanent magnetism high -voltage vacuum switch for flameproof mining mobile transformer substa tion | |
| CN216213078U (en) | Locking device for inherent positions of isolating switch and grounding switch | |
| CN215451221U (en) | Outdoor interlocking mechanism | |
| CN217115621U (en) | Control system for avoiding reclosing through comprehensive protection fault locking of high-voltage cabinet | |
| CN216928333U (en) | Mutual interlocking of isolation grounding switching-on and switching-off | |
| CN211858556U (en) | Separating brake device for circuit breaker | |
| CN204189652U (en) | A kind of self-align multi-functional isolating switch manual-operating mechanism | |
| CN208298724U (en) | Mechanical interlocks is isolated on a kind of 10kV inflatable demarcation circuit breaker switchgear | |
| CN216528687U (en) | Electromagnetic anti-misoperation locking device for disconnecting switch of distribution automation circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |