CN106684745A - Valve locking apparatus - Google Patents
Valve locking apparatus Download PDFInfo
- Publication number
- CN106684745A CN106684745A CN201611121766.0A CN201611121766A CN106684745A CN 106684745 A CN106684745 A CN 106684745A CN 201611121766 A CN201611121766 A CN 201611121766A CN 106684745 A CN106684745 A CN 106684745A
- Authority
- CN
- China
- Prior art keywords
- plate
- backstop
- locking device
- valve locking
- valve
- 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.)
- Pending
Links
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention provides a valve locking apparatus which is used to lock the valve of the trigger box inside a switch cabinet. The valve is driven by an upper scissor fork. The valve locking apparatus comprises a stop support which can be flexibly mounted on the inner wall of the switch cabinet. The stop support cooperates with the position limiting of the upper scissor fork to prevent the upper scissor fork from driving the valve open. The valve locking apparatus of the invention solves the problem that in the prior art, an electric shock accident might occur when the switch cabinet is in a repair state.
Description
Technical field
The present invention relates to maintenance safety field, in particular to a kind of valve locking device.
Background technology
According to the regulation of job requirement, chopper, on-load switch or catalyst are only in operating position, isolated location, shifting
Could operate when open position, testing position or earthing position.In order to protect and being easy to operation, should fill between the different elements of equipment
If chain, in design, it should pay the utmost attention to mechanical chain.
However, in switch cubicle in the state of maintenance, the valve of contact box can be artificial opening, and at this moment it is female
Line room is powered, it is more likely that unexpected electric shock accidentss occur.In recent years, occur a lot of because field personnel is strayed into out
The powered interval of pass cabinet, and the personal injury accident for causing.
The content of the invention
Present invention is primarily targeted at providing a kind of valve locking device, it is in solving switch cubicle of the prior art
Easily occurs the problem of electric shock accidentss during inspecting state.
To achieve these goals, the invention provides a kind of valve locking device, for the contact in latch switch cabinet
The valve of box, valve is driven by upper shears fork, and valve locking device includes：Backstop frame, backstop rack position is adjustably mounted at
On the inwall of switch cubicle, backstop frame pitches spacing cooperation with upper shears, to prevent upper shears fork from driving valve to open.
Further, backstop frame includes baffle plate, and baffle plate is vertically arranged, and backstop is provided with baffle plate convex
Edge, stop lug is used to be supported on shears fork.
Further, backstop frame also includes backstop crossbeam, and baffle plate is arranged on backstop crossbeam, and backstop crossbeam is along level side
To setting.
Further, the first power transmission shaft is equipped with backstop crossbeam, the first power transmission shaft is vertically arranged, backstop crossbeam
Around the first power transmission shaft rotatably arranged with.
Further, valve locking device also include Wrench for opening, backstop frame also include driving arm, backstop crossbeam away from
One end of baffle plate is connected with driving arm, and Wrench for opening is connected to drive backstop frame to rotate with driving arm.
Further, driving plate is provided with Wrench for opening, is provided with drive hole in driving plate, driving arm has and wears
Plate, wears plate and is plugged in drive hole.
Further, it is U-board to wear plate, and driving arm also includes connecting plate, and one end and the backstop crossbeam of connecting plate connect
Connect, the other end of connecting plate is connected with U-board plate section, another plate section of U-board is plugged in drive hole.
Further, the first power transmission shaft is located in and wears on plate, is provided with connecting plate for passing through for the first power transmission shaft
Avoidance hole.
Further, valve locking device also includes second driving shaft, and second driving shaft is located on Wrench for opening, is opened
Spanner around second driving shaft rotatably arranged with.
Further, valve locking device also includes the fixed mount for being fixed on the inwall of switch cubicle, the first transmission
Axle and second driving shaft are each attached on fixed mount.
Further, fixed mount has the first limiting plate and the second limiting plate, and the first limiting plate is vertically arranged, the
Two limiting plates are horizontally disposed, have spacing gap between the first limiting plate and the second limiting plate, and backstop crossbeam is located at limit
In interdigit gap.
Further, the second limiting plate is stripe board, and the first limiting plate is two, and two the first limiting plates are located at respectively the
Corresponding one end of two limiting plates.
The valve locking device of the present invention realizes the upper shears fork of prevention and drives valve to open by backstop frame, wherein, only
Divider position-adjustable ground is arranged on the inwall of switch cubicle.Switch cubicle be in inspecting state when, by backstop frame with above cut
The spacing cooperation of knife and fork, can prevent shears fork from driving valve to open, so as to solve switch cubicle of the prior art in inspection
Easily occurs the problem of electric shock accidentss when repairing state.
Description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and the present invention's shows
Meaning property embodiment and its illustrated for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the structural representation on valve of the embodiment of valve locking device of the invention；
And
Fig. 2 shows the structural representation of the embodiment of valve locking device of the invention.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling：
10th, valve；20th, upper shears fork；30th, backstop frame；31st, baffle plate；32nd, backstop crossbeam；33rd, driving arm；40th, it is convex
Edge；50th, the first power transmission shaft；60th, Wrench for opening；61st, driving plate；70th, plate is worn；80th, connecting plate；90th, second driving shaft；100、
Fixed mount；110th, the first limiting plate；120th, the second limiting plate.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
The invention provides a kind of valve locking device, for the valve 10 of the contact box in latch switch cabinet, valve 10
Driven by upper shears fork 20, refer to Fig. 1 and Fig. 2, valve locking device includes：Backstop frame 30, the position-adjustable of backstop frame 30
Ground is arranged on the inwall of switch cubicle, and backstop frame 30 pitches 20 spacing cooperations with upper shears, to prevent upper shears fork 20 from driving valve
10 open.
The valve locking device of the present invention realizes the upper shears fork 20 of prevention and drives valve 10 to open by backstop frame 30, its
In, the position-adjustable of backstop frame 30 ground is arranged on the inwall of switch cubicle.When switch cubicle is in inspecting state, by backstop frame
30 with upper shears pitch 20 spacing cooperations, can prevent shears fork 20 drive valve 10 open, so as to solve prior art in
Switch cubicle easily there is the problem of electric shock accidentss when being in inspecting state.
Preferably, lower scissors fork, upper shears fork 20 and the common cooperation of lower scissors fork are additionally provided with switch cubicle, it is right to realize
The driving of valve 10.
In order to make backstop frame 30 prevent upper shears fork 20 from driving valve 10 to open, as shown in Fig. 2 backstop frame 30 includes
Baffle plate 31, baffle plate 31 is vertically arranged, and stop lug 40 is provided with baffle plate 31, and stop lug 40 is used to support
On upper shears fork 20.By being provided with baffle plate 31 on backstop frame 30, wherein, baffle plate 31 is vertically arranged, and is led to
Cross be provided with baffle plate 31 stop lug 40 be supported on shears fork 20 on such that it is able to prevent shears fork 20 drive valve
10 open.
In order to making the position-adjustable of backstop frame 30, on the inwall of switch cubicle, backstop frame 30 also includes backstop
Crossbeam 32, baffle plate 31 is arranged on backstop crossbeam 32, and backstop crossbeam 32 is horizontally disposed.By setting on backstop frame 30
Backstop crossbeam 32 is equipped with, wherein, baffle plate 31 is arranged on backstop crossbeam 32, by the way that backstop crossbeam 32 is set in the horizontal direction
Put, the position-adjustable of backstop frame 30 can be made on the inwall of switch cubicle.
In order to make backstop crossbeam 32 rotatably arranged with, be equipped with the first power transmission shaft 50 on backstop crossbeam 32, first
Power transmission shaft 50 is vertically arranged, backstop crossbeam 32 around the first power transmission shaft 50 rotatably arranged with.By in backstop crossbeam 32
On be equipped with the first power transmission shaft 50, wherein, the first power transmission shaft 50 is vertically arranged, and then makes the backstop crossbeam 32 can be around first
Power transmission shaft 50 rotatably arranged with.
The operation of valve locking device for convenience, valve locking device also includes Wrench for opening 60, and backstop frame 30 is also wrapped
Driving arm 33 is included, backstop crossbeam 32 is connected away from one end of baffle plate 31 with driving arm 33, Wrench for opening 60 is propped up with driving
Frame 33 connects to drive backstop frame 30 to rotate.By being provided with Wrench for opening 60 on active locking device, wherein, backstop frame 30
Also include driving arm 33, backstop crossbeam 32 is connected away from one end of baffle plate 31 with driving arm 33, by by Wrench for opening
60 are connected with driving arm 33, so that Wrench for opening 60 drives backstop frame 30 to rotate.
In order to make Wrench for opening 60 be connected with driving arm 33, driving plate 61 is provided with Wrench for opening 60, is driven
Drive hole is provided with plate 61, driving arm 33 wears plate 70 and be plugged in drive hole with plate 70 is worn.By in opening spanner
Driving plate 61 is provided with handss 60, wherein, drive hole is provided with driving plate 61, driving arm 33 passes through with plate 70 is worn
Plate 70 will be worn to be plugged in drive hole, and then Wrench for opening 60 can be made to be connected with driving arm 33.
Preferably, as shown in Fig. 2 it is U-board to wear plate 70, driving arm 33 also includes connecting plate 80, connecting plate 80
One end is connected with backstop crossbeam 32, and the other end of connecting plate 80 is connected with U-board plate section, another plate section of U-board
It is plugged in drive hole.
In order to make backstop crossbeam 32 around the first power transmission shaft 50 rotatably arranged with the first power transmission shaft 50 is located in and wears
On plate 70, the avoidance hole for passing through for the first power transmission shaft 50 is provided with connecting plate 80.Preferably, the avoidance hole is bar shaped
Hole, the bar hole extends along the bearing of trend of connecting plate 80.
In order to make Wrench for opening 60 drive backstop frame 30 to rotate, valve locking device also includes second driving shaft 90,
Second driving shaft 90 is located on Wrench for opening 60, Wrench for opening 60 around second driving shaft 90 rotatably arranged with.By living
Second driving shaft 90 is provided with door latch apparatus, wherein, second driving shaft 90 is located on Wrench for opening 60, by opening
Spanner 60 is around second driving shaft 90 rotatably arranged with by Wrench for opening 60 backstop frame 30 being driven to rotate.
In view of the integrity of structure, valve locking device also includes the fixed mount for being fixed on the inwall of switch cubicle
100, the first power transmission shaft 50 and second driving shaft 90 are each attached on fixed mount 100.Preferably, the fixed mount 100 is fixed on out
Close on the inwall of cabinet, the valve locking device is arranged on switch cubicle.Preferably, fixed mount 100 is welded or by bolt
It is fixed on the inwall of switch cubicle.
Preferably, fixed mount 100 has the first limiting plate 110 and the second limiting plate 120, and the first limiting plate 110 is along vertical
Direction is arranged, and the second limiting plate 120 is horizontally disposed, has between the first limiting plate 110 and the second limiting plate 120 spacing
Gap, backstop crossbeam 32 is located in spacing gap.So, the spacing gap is horizontal clearance, and then ensures backstop crossbeam 32 only
Can rotate in the horizontal plane.
Preferably, the second limiting plate 120 is stripe board, and the first limiting plate 110 is two, two 110 points of the first limiting plates
Not Wei Yu the second limiting plate 120 corresponding one end.As can be seen here, two the first limiting plates 110 are spacing in backstop crossbeam 32 respectively
Two ends.
The valve locking device of the present invention is outside by device opener (Wrench for opening 60) after the release of switch cubicle dolly
Pull, opener will push up drive mechanism (driving arm 33) to device to side, and drive mechanism drives the shears of front end
Fork baffle plate, the front end protrusion part point for making baffle plate blocks upper and lower shears fork, and then causes shears fork to drive valve plate, reaches
The purpose of locking.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
The valve locking device of the present invention realizes the upper shears fork 20 of prevention and drives valve 10 to open by backstop frame 30, its
In, the position-adjustable of backstop frame 30 ground is arranged on the inwall of switch cubicle.When switch cubicle is in inspecting state, by backstop frame
30 with upper shears pitch 20 spacing cooperations, can prevent shears fork 20 drive valve 10 open, so as to solve prior art in
Switch cubicle easily there is the problem of electric shock accidentss when being in inspecting state.
The valve locking device of the present invention can be when switch cubicle suspends use, dolly and extracts out, and locking valve mechanism is prevented
Personnel's mistakenly entering charged chamber, maloperation or contacts powered bus-bar room static contact position by mistake, it is ensured that personal security.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (12)
1. a kind of valve locking device, for the valve (10) of the contact box in latch switch cabinet, the valve (10) is cut from above
Knife and fork (20) drives, it is characterised in that the valve locking device includes：
Backstop frame (30), backstop frame (30) the position-adjustable ground is arranged on the inwall of the switch cubicle, the backstop frame
(30) (20) spacing cooperation is pitched with the upper shears, to prevent upper shears fork (20) from driving the valve (10) to open.
2. valve locking device according to claim 1, it is characterised in that the backstop frame (30) is including baffle plate
(31), the baffle plate (31) is vertically arranged, and on the baffle plate (31) stop lug (40), the backstop are provided with
Flange (40) pitches (20) for being supported on the upper shears.
3. valve locking device according to claim 2, it is characterised in that the backstop frame (30) also includes backstop crossbeam
(32), the baffle plate (31) is arranged on the backstop crossbeam (32), and the backstop crossbeam (32) is horizontally disposed.
4. valve locking device according to claim 3, it is characterised in that be equipped with first on the backstop crossbeam (32)
Power transmission shaft (50), first power transmission shaft (50) is vertically arranged, and the backstop crossbeam (32) is around first power transmission shaft
(50) rotatably arranged with.
5. valve locking device according to claim 4, it is characterised in that the valve locking device also includes opening spanner
Handss (60), the backstop frame (30) also includes driving arm (33), and the backstop crossbeam (32) is away from the baffle plate (31)
One end is connected with the driving arm (33), and the Wrench for opening (60) is connected to drive described stopping with the driving arm (33)
Divider (30) is rotated.
6. valve locking device according to claim 5, it is characterised in that be provided with driving on the Wrench for opening (60)
Plate (61), is provided with drive hole on the driving plate (61), the driving arm (33) with wearing plate (70),
The plate (70) that wears is plugged in the drive hole.
7. valve locking device according to claim 6, it is characterised in that the plate (70) that wears is U-board, the drive
Dynamic support (33) also includes connecting plate (80), and one end of the connecting plate (80) is connected with the backstop crossbeam (32), the company
The other end of fishplate bar (80) is connected with a plate section of the U-board, and another plate section of the U-board is plugged in the driving
In hole.
8. valve locking device according to claim 7, it is characterised in that first power transmission shaft (50) is located in described
Wear on plate (70), the avoidance hole for passing through for first power transmission shaft (50) is provided with the connecting plate (80).
9. valve locking device according to claim 5, it is characterised in that the valve locking device is also passed including second
Moving axis (90), the second driving shaft (90) is located on the Wrench for opening (60), and the Wrench for opening (60) is around described
Two power transmission shafts (90) rotatably arranged with.
10. valve locking device according to claim 9, it is characterised in that the valve locking device also include for
The fixed mount (100) being fixed on the inwall of the switch cubicle, first power transmission shaft (50) and the second driving shaft (90)
It is each attached on the fixed mount (100).
11. valve locking devices according to claim 10, it is characterised in that the fixed mount (100) is with the first limit
Position plate (110) and the second limiting plate (120), first limiting plate (110) is vertically arranged, second limiting plate
(120) it is horizontally disposed, there is spacing gap between first limiting plate (110) and second limiting plate (120),
The backstop crossbeam (32) is in the spacing gap.
12. valve locking devices according to claim 11, it is characterised in that second limiting plate (120) is bar shaped
Plate, first limiting plate (110) is two, and two first limiting plates (110) are located at respectively second limiting plate
(120) corresponding one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121766.0A CN106684745A (en) | 2016-12-07 | 2016-12-07 | Valve locking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121766.0A CN106684745A (en) | 2016-12-07 | 2016-12-07 | Valve locking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106684745A true CN106684745A (en) | 2017-05-17 |
Family
ID=58868792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611121766.0A Pending CN106684745A (en) | 2016-12-07 | 2016-12-07 | Valve locking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106684745A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109599779A (en) * | 2018-12-31 | 2019-04-09 | 芜湖金牛电气股份有限公司 | High-voltage Incoming Cabinet and its working method with self-locking function |
| CN109802309A (en) * | 2018-12-31 | 2019-05-24 | 芜湖金牛电气股份有限公司 | High-voltage Incoming Cabinet and its working method with self-locking function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202384682U (en) * | 2011-12-30 | 2012-08-15 | 厦门先海电气设备有限公司 | Drive device of switch cabinet valve |
| CN204156386U (en) * | 2014-11-10 | 2015-02-11 | 国家电网公司 | Handcart grounding switch operation valve locking device |
| CN205231590U (en) * | 2015-12-18 | 2016-05-11 | 万控集团有限公司 | Cubical switchboard valve blocking device |
| CN105762694A (en) * | 2016-05-12 | 2016-07-13 | 山东泰开成套电器有限公司 | Valve locking device for armored withdrawable switch cabinet |
-
2016
- 2016-12-07 CN CN201611121766.0A patent/CN106684745A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202384682U (en) * | 2011-12-30 | 2012-08-15 | 厦门先海电气设备有限公司 | Drive device of switch cabinet valve |
| CN204156386U (en) * | 2014-11-10 | 2015-02-11 | 国家电网公司 | Handcart grounding switch operation valve locking device |
| CN205231590U (en) * | 2015-12-18 | 2016-05-11 | 万控集团有限公司 | Cubical switchboard valve blocking device |
| CN105762694A (en) * | 2016-05-12 | 2016-07-13 | 山东泰开成套电器有限公司 | Valve locking device for armored withdrawable switch cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109599779A (en) * | 2018-12-31 | 2019-04-09 | 芜湖金牛电气股份有限公司 | High-voltage Incoming Cabinet and its working method with self-locking function |
| CN109802309A (en) * | 2018-12-31 | 2019-05-24 | 芜湖金牛电气股份有限公司 | High-voltage Incoming Cabinet and its working method with self-locking function |
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Legal Events
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |
|
| RJ01 | Rejection of invention patent application after publication |