CN110416909A - Mechanical interlocking mechanism between upper drawer and lower drawer of low-voltage drawer cabinet - Google Patents
Mechanical interlocking mechanism between upper drawer and lower drawer of low-voltage drawer cabinet Download PDFInfo
- Publication number
- CN110416909A CN110416909A CN201910607831.8A CN201910607831A CN110416909A CN 110416909 A CN110416909 A CN 110416909A CN 201910607831 A CN201910607831 A CN 201910607831A CN 110416909 A CN110416909 A CN 110416909A
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- drawer
- square shaft
- square
- inlet wire
- hole
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000005192 partition Methods 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Trip Switchboards (AREA)
Abstract
The invention relates to a mechanical interlocking mechanism between an upper drawer and a lower drawer of a low-voltage drawer cabinet, which takes a No. 2 operating square shaft as an axis, the No. 2 operating square shaft rotates forwards or reversely, and the other end of a connecting piece rotates in a triangular core to realize vertical up-and-down movement of a square rod; the 2# inlet drawer performs switching-on operation, the 2# operation square shaft rotates 90 degrees clockwise, the square rod is pressed downwards, the square rod penetrates through a bottom plate and a layer of partition plate of the 2# inlet drawer, and the supporting plate moves vertically downwards, so that a clamping piece at the bottom is clamped downwards on the 1# operation square shaft, and the 1# operation square shaft in the 1# inlet drawer cannot perform switching-on rotation operation, so that the interlocking purpose is achieved; the switch-off operation of the 2# inlet wire drawer, the anticlockwise rotation of the 2# operation square shaft is 90 degrees, the square rod is vertically upward, the supporting plate resets under the action of the spring and the pin, the clamping piece is separated from the 1# operation square shaft, and the 1# operation square shaft can normally switch on. The plastic shell switch is simple in structure, the plastic shell switch is arranged inside the drawer, the overhauling convenience is improved, and the safety and the reliability are realized through mechanical interlocking.
Description
Technical field
Mechanical connection the present invention relates to low-tension switch cabinet technical field, in particular to above and below a kind of low-voltage drawer cabinet between drawer
Latch mechanism.
Background technique
With the fast development of power grid construction, the demand of various switchgears is continued to increase, and especially MNS drawout cubicle has
The advantages that interlocking mechanism is simple, safe and reliable, and drawer exchanges flexibly, and security performance is high, and degree of protection is good, wide market.
For the continued reliability for guaranteeing power supply, MNS inlet wire is standing to set the inlet wire scheme that two-way inlet wire adds a contact.This scheme
Incoming switch is generally frame circuit breaker switch, using the electrical interlocks of automatic switching outside, it is real by way of three two keys of lock
Existing mechanical interlocking.When two-way incoming power electric current is smaller, be often used molded-case switch as incoming switch, and for convenience of operation and
It improves safety and incoming switch is put in drawer.Inlet wire is only for current two molded-case switch (being placed in drawer manual operation)
There is electrical interlocks, to improve security reliability, this mechanical interlock mechanism is researched and developed in design.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides the mechanical interlocking machines between drawer above and below a kind of low-voltage drawer cabinet
Structure, technical solution are as follows:
Including main cabinet, partition is equipped in main cabinet, main cabinet is divided into 1# inlet wire drawer, 2# inlet wire drawer, outlet time by partition
Road, sub- bus-bar room and cable vault, which is characterized in that the mechanical interlock mechanism is arranged in 1# inlet wire drawer and 2# inlet wire drawer
Interior, the mechanical interlock mechanism includes square shaft, square bar, fixed beam and spring, be equipped in the 2# inlet wire drawer 2# operation square shaft,
Connector, triangle core, square bar and guide part, guide part are Z-shaped, and the bottom of guide part is fixed on the bottom plate in 2# inlet wire drawer
On, the top of guide part is equipped with through-hole, and square bar passes through the through-hole of guide part, and straight down, the top fixed triangle core of square bar,
Triangle core inner is hollow, and one end of the connector is round hole, and the other end is square hole, and 2# operates square shaft and passes through square hole, 2# behaviour
It is relatively fixed with square hole to make square shaft, for the limit of triangle core across round hole, the limit of triangle core is parallel with 2# operation square shaft, rotation 2# behaviour
Make square shaft, one end of connector is using 2# operation square shaft as axle center, other end rotation, under the action of 2# operates square shaft and connector
Square bar is set to move up and down vertically；
Fixed beam is transversely mounted in 1# inlet wire drawer, support plate is vertical with spring guiding axis and passes through fixed beam, the branch
Fagging is L-type, and top is L-type bending edges, and top and square bar are on same perpendicular, bottom fixed fastener, set on fastener
There is concave hole, concave hole may be stuck on 1# operation square shaft, and limitation 1# operation square shaft rotation is fixed in L-type support plate inside top
Spring guiding axis, the bottom transverse direction fixing pin of spring guiding axis, on spring guiding axis, pin is arranged in fixed beam spring pocket
Lower part.
Further, the equal fixed handle in one end of the 2# operation square shaft and 1# operation square shaft, the other end pass through behaviour respectively
Make mechanism to be connected with breaker.
Further, the partition on the bottom plate of 2# inlet wire drawer bottom between 1# inlet wire drawer and 2# inlet wire drawer
On, it is equipped with corresponding through-hole, which is square bar punched out.
Further, for square bar under the action of 2# operates square shaft, connector rotation is pressed downward support plate, support plate bottom
Fastener is stuck on 1# operation square shaft.
Further, square bar outer diameter is equal to guide part through-hole interior diameter.
Further, the main cabinet is MNS cabinet body.
The invention has the benefit that the present invention is the mechanical interlock mechanism between a kind of low-voltage drawer cabinet or more drawer, with
It is axle center that 2#, which operates square shaft, and 2# operates square shaft and rotates forward or invert, and the other end of connector is rotated in triangle in-core, realization side
Bar moves up and down vertically；2# inlet wire drawer carries out closing operation, and when 2# operation square shaft rotates clockwise 90 °, square bar is pushed, and passes through
The layer partition of 2# inlet wire drawer, support plate move straight down, so that it is stuck in the fastener of bottom downwards on 1# operation square shaft, this
When 1# inlet wire drawer in 1# operation square shaft can not close a floodgate rotation process, reach interlocking purpose；2# inlet wire drawer sub-switching operation, 2#
Operation square shaft is rotated by 90 ° counterclockwise, and the square bar acted on the supporting plate moves straight up, work of the support plate in spring and pin
With lower reset, fastener is separated with 1# operation square shaft, and 1# operates square shaft can normal closing operation.The configuration of the present invention is simple, modeling
Shell switch is placed in drawer and improves maintenance convenience, realizes security reliability by mechanical interlocking.
Detailed description of the invention
Fig. 1 is the cabinet body structure schematic diagram of application scheme of the present invention；
Mechanical interlock mechanism structural schematic diagram when Fig. 2 is 2# inlet wire drawer, 1# inlet wire drawer equal separating brake；
Fig. 3 is Fig. 2 side view；
Structural schematic diagram when Fig. 4 is 2# inlet wire drawer combined floodgate, 1# inlet wire drawer separating brake；
Fig. 5 is Fig. 4 side view；
Fig. 6 is the portion a structural schematic diagram；
Fig. 7 is Fig. 6 side view；
Fig. 8 is the portion b structural schematic diagram；
Fig. 9 is Fig. 8 side view；
Figure 10 is that 2# inlet wire drawer inner breaker and 2# operate square shaft connection schematic diagram；
Figure 11 is connecting-piece structure schematic diagram；
As shown, 1 main cabinet, 2 1# inlet wire drawers, 3 2# inlet wire drawers, 4 transmission line circuits, 5 branches row, the 6 operation sides 2#
Axis, 7 triangle cores, 8 guide parts, 9 support plates, 10 spring guiding axis, 11 springs, 12 fixed beams, 13 pins, 14 fasteners, 15 1# behaviour
Make square shaft, 16 main bus-bar rooms, 17 cable vaults, 18 ventilation fences, 19 connectors, the limit of 20 triangle cores, 21 square bars, the fixed spiral shell of 22 square shafts
Silk, 23 bottom plates, 24 breakers, 25 operating mechanisms, 26 handles, 27 busbars, 28 partitions.
Specific embodiment
As shown, a kind of mechanical interlock mechanism of the present invention between low-voltage drawer cabinet up and down drawer, including main cabinet 1,
Main cabinet is MNS cabinet body, and main cabinet bottom is equipped with ventilation fence 18, is equipped with partition 28 in main cabinet 1, partition 28 divides main cabinet 1
For 1# inlet wire drawer, 2# inlet wire drawer, transmission line circuit, main bus-bar room and cable vault, main cabinet top is transversely provided with main bus-bar room
16, lower side is cable vault 17, and the other side sequentially consists of 1# inlet wire drawer 2,2# inlet wire drawer 3 and transmission line circuit 4,
Busbar 27 runs through 1# inlet wire drawer, 2# inlet wire drawer and transmission line circuit 4 vertically, and busbar is three groups, and respectively A phase busbar, B phase are female
The upper end of row and C phase busbar, busbar is arranged in main bus-bar room, connect respectively with the indoor branch row 5 of main bus-bar.
Mechanical interlock mechanism is arranged in 1# inlet wire drawer 2 and 2# inlet wire drawer 3, and the mechanical interlock mechanism includes side
Axis, square bar, fixed beam and spring, the interior 2# that is equipped with of the 2# inlet wire drawer operate square shaft 6, connector 19, triangle core 7, square bar 21
With guide part 8, guide part is Z-shaped, and crimp is vertical, and upper and lower both sides are parallel with crimp, the bottom of guide part be fixed on 2# into
On bottom plate 23 in line drawer, the top of guide part is equipped with through-hole, and square bar passes vertically through the through-hole of guide part, in 2# inlet wire drawer
Interior bottom plate 23 and partition 28 is equipped with the through-hole that square bar is penetrated or is pierced by, and as shown in Figure 10, partition is both upper and lower two pumpings
The separation of drawer is the support of upper layer drawer again.The support of drawer is the bearing and the engagement of propulsive mechanism gear at left and right sides of drawer,
To guarantee that drawer-bottom board and layer partition have the gap 6mm.
The top fixed triangle core 7 of square bar, triangle core inner is hollow triangular in shape, and triangle in-core is horizontally through triangle core limit
Position 20.One end of connector is round hole, and the other end is square hole, and 2# operates square shaft and passes through square hole, and 2# operates square shaft and square hole phase
To fixation, the limit of triangle core is parallel with 2# operation square shaft, and triangle core is inserted between two round holes of connector, triangle core limit 20
It is horizontally through connector round hole and triangle core, connector bottom is fixed by square shaft fixed screw 22, guarantees that square shaft rotation connects
Fitting and then rotates, and rotation 2# operates square shaft, and using 2# operation square shaft as axle center, the other end is living in triangle in-core for one end of connector
Dynamic, 2# operation square shaft rotation band follower link rotates upwardly and downwardly on vertical plane, and the limit of triangle core is pressed downward square bar in triangle in-core
Or square bar is mentioned upwards, make square bar vertical motion under the action of connector and 2# operation square shaft.
Installation fixed beam 12, support plate 9, spring guiding axis 10 and 1# operate square shaft 15 in 1# inlet wire drawer 2, in 1# inlet wire
Fixed beam 12 is transversely mounted in drawer 2,12 both ends of fixed beam are bent vertically, and bending section is fixed on 1# inlet wire drawer inner sidewall,
Support plate 9 is vertical with spring guiding axis 10 and passes through fixed beam, and can move up and down.The support plate is L-type, top L
Type bending edges, top and square bar are on same perpendicular, the bottom fixed fastener 14 of support plate, and fastener bottom is equipped with concave
Hole, 1# operation square shaft can be connected at concave hole, limitation 1# operation square shaft 15 rotate, L-type support plate inside top vertically to
Lower fixed spring guiding axis 10, the bottom transverse direction fixing pin 13 of spring guiding axis, and pin is below fixed beam.In support plate
Top is to installing spring between fixed beam, and 11 sets of spring on spring guiding axis, and spring is sold for limiting and restoring support plate
Nail limitation support plate uplink.
Further, the equal fixed handle in one end of the 2# operation square shaft and 1# operation square shaft, the other end pass through behaviour respectively
Make mechanism to be connected with breaker.
Further, square bar presses support plate, the fastener card of support plate bottom under the action of 2# operates square shaft straight down
On 1# operation square shaft, limitation 1# operation square shaft rotation.
Further, square bar outer diameter is equal to guide part through-hole interior diameter, when so that the square bar is pushed straight down.
The present invention is the mechanical interlock mechanism between a kind of low-voltage drawer cabinet or more drawer, and the present invention only passes through the normal behaviour of switch
It can be realized, not increase any other operation.Interlocking mechanism is more reliable, safe, will not be because of complicated for operation or mistake
It operates and generates dangerous.Using 2# operation square shaft as axle center, 2# operates square shaft and rotates forward or invert, and the other end of connector is three
In-core rotation in angle realizes that square bar moves up and down vertically；2# inlet wire drawer carries out closing operation, when 2# operation square shaft rotates clockwise
90 °, square bar pushes, and across the layer partition of 2# inlet wire drawer, support plate moves straight down, so that the fastener of bottom be made to block downwards
On 1# operation square shaft, at this moment the 1# operation square shaft in 1# inlet wire drawer can not close a floodgate rotation process, reach interlocking purpose；2# into
Line drawer sub-switching operation, 2# operation square shaft are rotated by 90 ° counterclockwise, and the square bar acted on the supporting plate moves straight up, support
Plate resets under the action of spring and pin, and fastener is separated with 1# operation square shaft, and 1# operates square shaft can normal closing operation.This
Inventive structure is simple, and molded-case switch is placed in drawer and improves maintenance convenience, realizes security reliability by mechanical interlocking.
Above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although with reference to the foregoing embodiments
The application is described in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the protection scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. the mechanical interlock mechanism above and below a kind of low-voltage drawer cabinet between drawer, including main cabinet, main cabinet is interior to be equipped with partition, partition
Main cabinet is divided into 1# inlet wire drawer, 2# inlet wire drawer, transmission line circuit, sub- bus-bar room and cable vault, which is characterized in that the machine
Tool interlocking mechanism is arranged in 1# inlet wire drawer and 2# inlet wire drawer, and the mechanical interlock mechanism includes square shaft, square bar, fixed beam
And spring, interior 2# operation square shaft, connector, triangle core, square bar and guide part, the guide part of being equipped with of the 2# inlet wire drawer is Z-shaped
Type, the bottom of guide part are fixed on the bottom plate in 2# inlet wire drawer, and the top of guide part is equipped with through-hole, and square bar passes through guide part
Through-hole, and straight down, the top fixed triangle core of square bar, triangle core inner is hollow, and one end of the connector is circle
Hole, the other end are square hole, and 2# operates square shaft and passes through square hole, and 2# operates square shaft and square hole is relatively fixed, and triangle core is limited across circle
Shape hole, the limit of triangle core is parallel with 2# operation square shaft, and rotation 2# operates square shaft, and one end of connector is using 2# operation square shaft as axis
The heart, other end rotation, makes square bar move up and down vertically under the action of 2# operates square shaft and connector；
Fixed beam is transversely mounted in 1# inlet wire drawer, support plate is vertical with spring guiding axis and passes through fixed beam, the branch
Fagging is L-type, and top is L-type bending edges, and top and square bar are on same perpendicular, bottom fixed fastener, set on fastener
There is concave hole, concave hole may be stuck on 1# operation square shaft, and limitation 1# operation square shaft rotation is fixed in L-type support plate inside top
Spring guiding axis, the bottom transverse direction fixing pin of spring guiding axis, on spring guiding axis, pin is arranged in fixed beam spring pocket
Lower part.
2. the mechanical interlock mechanism above and below a kind of low-voltage drawer cabinet as described in claim 1 between drawer, which is characterized in that described
2# operates the equal fixed handle in one end of square shaft and 1# operation square shaft, and the other end passes through operating mechanism respectively and is connected with breaker.
3. the mechanical interlock mechanism above and below a kind of low-voltage drawer cabinet as described in claim 1 between drawer, which is characterized in that in 2#
On partition on the bottom plate of inlet wire drawer bottom between 1# inlet wire drawer and 2# inlet wire drawer, it is equipped with corresponding through-hole, this is logical
Hole is square bar punched out.
4. the mechanical interlock mechanism above and below a kind of low-voltage drawer cabinet as claimed in claim 3 between drawer, which is characterized in that square bar
Under the action of 2# operates square shaft, connector rotation is pressed downward support plate, and the fastener of support plate bottom is stuck on 1# operation square shaft.
5. the mechanical interlock mechanism above and below a kind of low-voltage drawer cabinet as described in claim 1 between drawer, which is characterized in that square bar
Outer diameter is equal to guide part through-hole interior diameter.
6. the mechanical interlock mechanism above and below a kind of low-voltage drawer cabinet as described in any one of claim 1 ~ 5 between drawer,
It is characterized in that, the main cabinet is MNS cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910607831.8A CN110416909A (en) | 2019-07-08 | 2019-07-08 | Mechanical interlocking mechanism between upper drawer and lower drawer of low-voltage drawer cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910607831.8A CN110416909A (en) | 2019-07-08 | 2019-07-08 | Mechanical interlocking mechanism between upper drawer and lower drawer of low-voltage drawer cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110416909A true CN110416909A (en) | 2019-11-05 |
Family
ID=68360451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910607831.8A Pending CN110416909A (en) | 2019-07-08 | 2019-07-08 | Mechanical interlocking mechanism between upper drawer and lower drawer of low-voltage drawer cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110416909A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0974627A (en) * | 1995-08-31 | 1997-03-18 | Mitsubishi Electric Corp | Interlocking device of drawer-type circuit breaker |
| CN202172031U (en) * | 2011-08-08 | 2012-03-21 | 厦门闽光电气实业有限公司 | Interlocking device of switch cabinet door and grounding switch |
| CN202696025U (en) * | 2012-07-05 | 2013-01-23 | 江苏富鑫达电气有限公司 | Low-voltage drawer type switch cabinet |
| CN204349245U (en) * | 2014-12-11 | 2015-05-20 | 安徽龙波电气有限公司 | With the solid insulation cabinet cabinet door interlock of emergency release function |
| CN205791160U (en) * | 2016-06-30 | 2016-12-07 | 山东玲珑机电有限公司 | A kind of low voltage drawing-out switching carbinet interlocking mechanism |
| CN210120366U (en) * | 2019-07-08 | 2020-02-28 | 山东泰开电控有限公司 | Mechanical interlocking mechanism between upper drawer and lower drawer of low-voltage drawer cabinet |
-
2019
- 2019-07-08 CN CN201910607831.8A patent/CN110416909A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0974627A (en) * | 1995-08-31 | 1997-03-18 | Mitsubishi Electric Corp | Interlocking device of drawer-type circuit breaker |
| CN202172031U (en) * | 2011-08-08 | 2012-03-21 | 厦门闽光电气实业有限公司 | Interlocking device of switch cabinet door and grounding switch |
| CN202696025U (en) * | 2012-07-05 | 2013-01-23 | 江苏富鑫达电气有限公司 | Low-voltage drawer type switch cabinet |
| CN204349245U (en) * | 2014-12-11 | 2015-05-20 | 安徽龙波电气有限公司 | With the solid insulation cabinet cabinet door interlock of emergency release function |
| CN205791160U (en) * | 2016-06-30 | 2016-12-07 | 山东玲珑机电有限公司 | A kind of low voltage drawing-out switching carbinet interlocking mechanism |
| CN210120366U (en) * | 2019-07-08 | 2020-02-28 | 山东泰开电控有限公司 | Mechanical interlocking mechanism between upper drawer and lower drawer of low-voltage drawer cabinet |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220505 Address after: 271000 Longtan Road, Tai'an high tech Development Zone, Shandong, China Applicant after: SHANDONG TAIKAI VACUUM SWITCH Co.,Ltd. Address before: 271000 Taishan Industrial Park, Taishan District, Tai'an City, Shandong Province Applicant before: SHANDONG TAIKAI ELECTRONIC CONTROL CO.,LTD. |
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| TA01 | Transfer of patent application right |