CN209496776U - A kind of mechanical interlocks - Google Patents
A kind of mechanical interlocks Download PDFInfo
- Publication number
- CN209496776U CN209496776U CN201920556359.5U CN201920556359U CN209496776U CN 209496776 U CN209496776 U CN 209496776U CN 201920556359 U CN201920556359 U CN 201920556359U CN 209496776 U CN209496776 U CN 209496776U
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- CN
- China
- Prior art keywords
- interlock plate
- clamping head
- mechanical interlocks
- circuit breaker
- breaker housing
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- 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 and dynamic clamping head and quiet clamping head, interlock plate is slideably positioned in circuit breaker housing, the top of interlock plate is connect by rope with three station manipulation valves, when interlock plate slides into upper limit position, the closing position of combined floodgate main shaft baffle can be blocked, when interlock plate slides into lower position, combined floodgate main shaft baffle can block interlock plate；One end of dynamic clamping head and quiet clamping head is connected to the bottom of interlock plate, and the other end is connected in circuit breaker housing.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, meets electric system to the functional requirement of high-tension switch gear, 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 and provide
Time in carrying and cut-off the switching device of the electric current under abnormal loop condition.Breaker can be used to distribute electric energy, infrequently
Ground start asynchronous motor, to the implementations such as power circuit and motor protect, when they occur it is serious overload or short circuit and
Energy automatic shutdown circuit when the failures such as under-voltage, function are equivalent to Fuse switch and cross the combination of 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 is slideably positioned in circuit breaker housing, and the top of the interlock plate passes through rope and three station manipulation valves
Connection when the interlock plate slides into upper limit position, can block the closing position of combined floodgate main shaft baffle, the interlock plate sliding
When to lower position, the combined floodgate main shaft baffle can block the interlock plate；
Dynamic clamping head and quiet clamping head, one end are connected to the bottom of the interlock plate, and the other end is connected in the circuit breaker housing.
The preferred embodiment of mechanical interlocks as the utility model, be provided in the circuit breaker housing be located at it is described
Positioning gusset above interlock plate, the rope pass through the positioning gusset and are connected on the interlock plate.
The preferred embodiment of mechanical interlocks as the utility model is provided with for positioning on the positioning gusset
State the first locating piece that rope wears position.
The preferred embodiment of mechanical interlocks as the utility model is provided on the interlock plate described for winding
The fixing piece of rope.
The preferred embodiment of mechanical interlocks as the utility model is provided with guide groove on the interlock plate, described
The guide pad with guide groove cooperation is provided in circuit breaker housing.
The preferred embodiment of mechanical interlocks as the utility model is provided with for positioning in the circuit breaker housing
Second locating piece of the guide pad installation site.
The preferred embodiment of mechanical interlocks as the utility model, the guide groove and the guide pad are provided with
It is multiple.
The preferred embodiment of mechanical interlocks as the utility model is provided with for positioning in the circuit breaker housing
The third locating piece of the combined floodgate main shaft baffle closing position.
The preferred embodiment of mechanical interlocks as the utility model, be provided in the circuit breaker housing be located at it is described
Connecting corners below dynamic clamping head and quiet clamping head, the dynamic clamping head and quiet clamping head are connected to the circuit breaker housing by the connecting corners
It is interior.
The preferred embodiment of mechanical interlocks as the utility model, the dynamic clamping head and quiet clamping head are spring.
The utility model has the following beneficial effects:
Mechanical interlocks provided by the utility model, when opening three-station, three station manipulation valve drag ropes
Interlock plate, interlock plate sliding are brought up, and blocks the closing position of combined floodgate main shaft baffle, it is ensured that is worked in three-station
When breaker cannot close a floodgate；When needing breaker closing, it is necessary to first close three-station, make in the elasticity of dynamic clamping head and quiet clamping head
Under firmly, sheet reset is interlocked, the closing position of combined floodgate main shaft baffle is conceded, it at this time just can be by breaker closing；Work as breaker
When combined floodgate, combined floodgate main shaft baffle blocks interlock plate, pull up rope can not, that is, fail to open three-station.This is practical
New 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 two-way
The function of interlocking meets electric system to the functional requirement of 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 schematic front view for the mechanical interlocks that specific embodiment of the present invention provides；
Fig. 2 is the schematic side view for the mechanical interlocks that specific embodiment of the present invention provides.
In figure:
1- interlock plate；11- fixing piece；12- guide groove；13- guide pad；
2- rope；3- dynamic clamping head and quiet clamping head；
4- positions gusset；The first locating piece of 41-；
The second locating piece of 5-；6- third locating piece；7- connecting corners；
100- circuit breaker housing；200- combined floodgate main shaft baffle.
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 depicted in figs. 1 and 2, which includes interlock plate 1 and dynamic clamping head and quiet clamping head 3.Specifically
Ground, interlock plate 1 are slideably positioned in circuit breaker housing 100, and the top of interlock plate 1 is by rope 2 and three station manipulation valves (in figure
It is not shown) connection, when interlock plate 1 slides into upper limit position, the closing position that can block combined floodgate main shaft baffle 200 is (empty in Fig. 2
Wire frame is closing position), when interlock plate 1 slides into lower position, combined floodgate main shaft baffle 200 can block interlock plate 1；Elasticity is multiple
One end of position part 3 is connected to the bottom of interlock plate 1, and the other end is connected in circuit breaker housing 100.
It should be noted that the connection type and structure of rope 2 and three station manipulation valves are the prior art, herein no longer
It repeats.When opening three-station, three station manipulation valve drag ropes 2 bring up interlock plate 1, and interlock plate 1 slides, and hides
Keep off the closing position of combined floodgate main shaft baffle 200, it is ensured that breaker cannot close a floodgate in three-station work；When needing open circuit
When device closes a floodgate, it is necessary to first close three-station, under the elastic acting force of dynamic clamping head and quiet clamping head 3, interlock plate 1 resets, and concedes conjunction
The closing position of lock main shaft baffle 200, at this time just can be by breaker closing；When breaker closing, combined floodgate main shaft baffle 200
Interlock plate 1 is blocked, rope 2 is pulled up can not, that is, fail to open three-station.
For convenience of installation site of the positioning rope 2 in circuit breaker housing 100, optionally, setting in circuit breaker housing 100
There is the positioning gusset 4 for being located at 1 top of interlock plate, rope 2 passes through positioning gusset 4 and is connected on interlock plate 1.Optionally, orientation angle
The first locating piece 41 that position is worn for positioning rope 2 is provided on plate 4.Optionally, the first locating piece 41 is location nut
Component is easily installed, and materials are convenient, at low cost.
For convenience of rope 2 to be fixed on interlock plate 1, optionally, it is provided on interlock plate 1 for winding consolidating for rope 2
Determine part 11.Optionally, it is provided with guide groove 12 on interlock plate 1, is provided in circuit breaker housing 100 and is led with what guide groove 12 cooperated
The Stable sliding in circuit breaker housing 100 of interlock plate 1 is convenient for by the cooperation of guide pad 13 and guide groove 12 to block 13.At it
In his embodiment, it can also be provided with guide groove 12 in circuit breaker housing 100, be provided on interlock plate 1 and match with guide groove 12
The guide pad 13 of conjunction.It should be noted that the installation site of the length and guide pad 13 of guide groove 12 in circuit breaker housing 100
It can be depending on actual job, it is ensured that when interlock plate 1 slides into upper limit position, the combined floodgate of combined floodgate main shaft baffle 200 can be blocked
Position, when interlock plate 1 slides into lower position, combined floodgate main shaft baffle 200 can block interlock plate 1.For convenient for quick and precisely pacifying
Dress guide pad 13 is optionally provided with the second locating piece 5 for 13 installation site of positioning and guiding block in circuit breaker housing 100.
Optionally, guide groove 12 and guide pad 13 are provided with multiple, when being slided in circuit breaker housing 100 convenient for interlock plate 1, sliding
Steadily, uniform force avoids damaging.
For convenient for quickly identify positioning combined floodgate main shaft baffle 200 closing position optionally set in circuit breaker housing 100
It is equipped with the third locating piece 6 for positioning 200 closing position of combined floodgate main shaft baffle.It, can to avoid damaging circuit breaker housing 100
Selection of land, the connecting corners 7 positioned at 3 lower section of dynamic clamping head and quiet clamping head are provided in circuit breaker housing 100, and dynamic clamping head and quiet clamping head 3 passes through connection
Gusset 7 is connected in circuit breaker housing 100.To reduce cost, materials are convenient, and optionally, dynamic clamping head and quiet clamping head 3 is spring.
Mechanical interlocks provided in this embodiment, mainly includes the following three types state at work:
When opening three-station, three station manipulation valve drag ropes 2 bring up interlock plate 1, and interlock plate 1 slides,
And block the closing position of combined floodgate main shaft baffle 200, it is ensured that breaker cannot close a floodgate in three-station work；
When needing breaker closing, it is necessary to three-station is first closed, under the elastic acting force of dynamic clamping head and quiet clamping head 3,
Interlock plate 1 resets, and concedes the closing position of combined floodgate main shaft baffle 200, at this time just can be by breaker closing；
When breaker closing, combined floodgate main shaft baffle 200 blocks interlock plate 1, pull up rope 2 can not, i.e., can not
Open three-station.
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) is slideably positioned in circuit breaker housing (100), and the top of the interlock plate (1) passes through rope (2) and three
The connection of station manipulation valve, when the interlock plate (1) slides into upper limit position, can block the combined floodgate of combined floodgate main shaft baffle (200)
Position, when the interlock plate (1) slides into lower position, the combined floodgate main shaft baffle (200) can block the interlock plate
(1)；
Dynamic clamping head and quiet clamping head (3), one end are connected to the bottom of the interlock plate (1), and the other end is connected to the circuit breaker housing
(100) in.
2. mechanical interlocks according to claim 1, which is characterized in that be provided in the circuit breaker housing (100)
Positioning gusset (4) above the interlock plate (1), the rope (2) are connected to described across the positioning gusset (4)
On jam plate (1).
3. mechanical interlocks according to claim 2, which is characterized in that be provided with and be used on the positioning gusset (4)
Position the first locating piece (41) that the rope (2) wears position.
4. mechanical interlocks according to claim 1, which is characterized in that be provided on the interlock plate (1) for twining
Fixing piece (11) around the rope (2).
5. mechanical interlocks according to claim 1, which is characterized in that be provided with guide groove on the interlock plate (1)
(12), the guide pad (13) with the guide groove (12) cooperation is provided in the circuit breaker housing (100).
6. mechanical interlocks according to claim 5, which is characterized in that be provided in the circuit breaker housing (100)
For positioning second locating piece (5) of the guide pad (13) installation site.
7. mechanical interlocks according to claim 5, which is characterized in that the guide groove (12) and the guide pad
(13) it is provided with multiple.
8. mechanical interlocks according to claim 1, which is characterized in that be provided in the circuit breaker housing (100)
For positioning the third locating piece (6) of combined floodgate main shaft baffle (200) closing position.
9. mechanical interlocks according to claim 1, which is characterized in that be provided in the circuit breaker housing (100)
Connecting corners (7) below the dynamic clamping head and quiet clamping head (3), the dynamic clamping head and quiet clamping head (3) are connected by the connecting corners (7)
It is connected in the circuit breaker housing (100).
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 (3) is
Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920556359.5U CN209496776U (en) | 2019-04-23 | 2019-04-23 | A kind of mechanical interlocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920556359.5U CN209496776U (en) | 2019-04-23 | 2019-04-23 | A kind of mechanical interlocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209496776U true CN209496776U (en) | 2019-10-15 |
Family
ID=68157680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920556359.5U Active CN209496776U (en) | 2019-04-23 | 2019-04-23 | A kind of mechanical interlocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209496776U (en) |
-
2019
- 2019-04-23 CN CN201920556359.5U patent/CN209496776U/en active Active
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