CN109462168A - A kind of handcart switch cabinet blocking device - Google Patents
A kind of handcart switch cabinet blocking device Download PDFInfo
- Publication number
- CN109462168A CN109462168A CN201810573065.3A CN201810573065A CN109462168A CN 109462168 A CN109462168 A CN 109462168A CN 201810573065 A CN201810573065 A CN 201810573065A CN 109462168 A CN109462168 A CN 109462168A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- movable plate
- handcart
- turntable
- commutative ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- 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)
- Patch Boards (AREA)
Abstract
The present invention relates to switchgear field more particularly to a kind of handcart switch cabinet blocking devices.It includes commutative ring, interlocking bar, pedestal and guide rod, guide rod passes through commutative ring, commutative ring is equipped with internal screw thread, guide rod is equipped with thread segment, commutative ring is rotatably arranged on pedestal, commutative ring is equipped with connecting column, pedestal is equipped with reversing groove, connecting column passes through reversing groove, connecting column is hinged in interlocking bar, interlocking bar is equipped with several blocking mechanisms, blocking mechanism includes pedestal, the main turntable and driving turntable being rotatably arranged on pedestal, driving turntable is hinged in interlocking bar, driving turntable and main turntable pass through transmission tooth engagement, the middle part of pedestal is equipped with stationary contact head bore and port lid, port lid is made of several movable plates being hinged on pedestal, movable plate is equipped with tie rod, the both ends of tie rod are respectively hinged on movable plate and main turntable.Structure of the invention is compact, easy to operate, handcart can be effectively prevent to move back in switchgear expert stuck.
Description
Technical field
The present invention relates to switchgear field more particularly to a kind of handcart switch cabinet blocking devices.
Background technique
In handcart switch cabinet, handcart is the main component in withdrawable switchgear, spread after guide rail can with hand by its from
It is extracted out in switchgear, when maintenance need to only extract handcart out, can shorten maintenance scope of power outage.Static contact is located in switchgear, general feelings
It is closed under condition by blocking device, prevents service personnel from accidentally encountering static contact and bring electric power safety problem, moving contact is located on handcart,
Blocking device, which is gradually opened, during handcart push-on switch cabinet allows moving contact and static contact to combine, at present on handcart switch cabinet
Blocking device is more opened and closed using mechanical linkage baffle to realize, this kind of blocking device resistance is big, frequently results in handcart card
It is expert at during moving back, in a dilemma, the method for processing is exactly to expand scope of power outage bus stops maintenance, causes very hemp
It is tired.
206432611 U of Chinese patent Authorization Notice No. CN, authorized announcement date 2017.08.22, entitled " one kind is double
Shake into formula handcart switch cabinet ", it discloses one kind and shakes into formula blocking device, meet double-circuit cabinet body requirement, but this shake into formula
Blocking device is easily stuck in row still without solution handcart and moves back the problems in process.
Summary of the invention
The purpose of the invention is to overcome to be stuck in capable move back because blocking device resistance frequently results in greatly handcart in the prior art
Deficiency in the process provides a kind of handcart that can effectively prevent and moves back stuck handcart switch cabinet blocking device in switchgear expert.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of handcart switch cabinet blocking device, including
Commutative ring, interlocking bar, the pedestal being located on switchgear and the guide rod being located on handcart, guide rod pass through commutative ring, commutative ring
Inner sidewall be equipped with internal screw thread, guide rod be equipped with and internal screw thread to matched thread segment, commutative ring is rotatably arranged on pedestal,
The lateral wall of commutative ring is equipped with connecting column, and pedestal is equipped with reversing groove, and connecting column passes through reversing groove, and connecting column is hinged on connection
In lever；
The interlocking bar is equipped with several blocking mechanisms, and blocking mechanism includes the pedestal being fixed on switchgear, is rotatably arranged on
Main turntable on pedestal and the driving turntable being rotatably arranged on pedestal, driving turntable are hinged in interlocking bar, driving turntable with
Several driving cogs, driving turntable and main turntable are equipped on main turntable by transmission tooth engagement, the middle part of pedestal, which is equipped with, runs through bottom
The stationary contact head bore of seat and the port lid being covered in stationary contact head bore, port lid are made of several movable plates being hinged on pedestal, activity
Plate is equipped with the tie rod for pulling movable plate, and the both ends of tie rod are respectively hinged on movable plate and main turntable.
When handcart pulls out switchgear, guide rod is slided to outside switchgear, when thread segment, which slides into, to be contacted with commutative ring, this
When moving contact extracted out from switchgear, as handcart further pulls out, thread segment rotates clockwise commutative ring, drive connection
Lever moves to the right, then driving turntable is driven to rotate clockwise, and by the cooperation of driving cog, main turntable is driven to turn counterclockwise
It is dynamic, it drives tie rod to shrink to the center of circle of stationary contact head bore, all movable blocks is pushed to shrink to the center of circle of stationary contact head bore, close port lid,
The reliable locking for completing static contact after moving contact pulls out outside switchgear, prevents operator from accidentally touching.
When handcart is pushed into switchgear, guide rod is slided into switchgear, and thread segment makes commutative ring is inverse to rotate clockwise, and is driven
Interlocking bar moves to the left, then driving turntable is driven to rotate counterclockwise, and by the cooperation of driving cog, drives main turntable clockwise
Rotation drives locking tie rod to expand to the circumference of stationary contact head bore, all movable blocks is pulled to outwardly open, and opens port lid, works as hole
After lid fully opens, thread segment is detached from commutative ring, and handcart can easily be pushed into switchgear very much.
Preferably, the switchgear is equipped with slide, slide is equipped with the slide opening to slidably reciprocate for guide rod, and guide rod is worn
Slide opening is crossed, thread segment is between slide and pedestal.It plays a supportive role to the sliding of guide rod.
Preferably, the axis of the commutative ring is parallel with the glide direction of handcart.Commutative ring is set to put down with thread segment
Steady contact.
Preferably, the pedestal is equipped with several guide posts, main turntable is equipped with several one-to-one with guide post
Arcuate guide hole, guide post are slidably arranged in corresponding arcuate guide hole.Guide post and the cooperation of arcuate guide hole are to main turntable
Rotation play the guiding role, while be not required in the base portion setting shaft, save the space of the middle of the base, convenient for arrangement static contact
Hole and port lid.
Preferably, each guide post is located on the same circumference, each arcuate guide hole is sequentially distributed along the circumferential direction of main turntable.
Each guide post and each arcuate guide hole are arranged on the same circumference, occupied space is further saved.
Preferably, the side wall of the stationary contact head bore axially extends to form hole cage, the side wall of hole cage is equipped with several
For the relief hole that movable plate passes through, movable plate passes through corresponding relief hole.Guarantee that movable plate movement is steady, relief hole is also to work
Movable plate has guiding role, guarantees that each movable plate can piece together smooth port lid.
Preferably, the side wall of the movable plate is made of extrados, the first intrados and the second intrados, adjacent two
In a movable plate: the second intrados of previous movable plate is bonded with the first intrados of the latter movable plate.Reduce static contact
Split gap when closing between each movable plate, while will not be interfered when the movement of each movable plate.
Preferably, the driving turntable radially extends to form connection bump far from the side of driving cog, connection bump with
Interlocking bar is hinged, and the end of connection bump is hinged in interlocking bar.Guarantee that driving turntable is not interfered with interlocking bar.
The beneficial effects of the present invention are: (1), during handcart pulls out, moving contact first removes stationary contact head bore and static contact
Separation, port lid are automatically closed again, prevent operator's accidentally touching stationary contact head bore, during handcart push-in, port lid is first beaten automatically
It opens, moving contact enters back into stationary contact head bore and contacts with static contact, effectively prevent handcart to move back in switchgear expert stuck；(2) port lid
It is a linkage process when opening or closing the push-in or extraction with handcart, whole process is not required to other operations, is more convenient work
Personnel's operation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram at another visual angle of the invention；
Fig. 3 is the structural schematic diagram of blocking mechanism in the present invention；
Fig. 4 is the cross-sectional view of A-A in Fig. 3；
Fig. 5 is the structural schematic diagram of port lid in the present invention；
Fig. 6 is the structural schematic diagram of commutative ring in the present invention.
In figure: commutative ring 1, interlocking bar 2, pedestal 11, guide rod 12, thread segment 121, connecting column 13, slide 14, blocking mechanism
3, pedestal 4, guide post 41, arcuate guide hole 42, stationary contact head bore 43, movable plate 44, tie rod 45, hole cage 46, extrados 441,
First intrados 442, the second intrados 443, main turntable 5, driving turntable 6, connection bump 61, driving cog 62, handcart 7, dynamic touching
First 71, switchgear 8, static contact 81.
Specific embodiment
The present invention will be further described in the following with reference to the drawings and specific embodiments.
Handcart 7 is consistent with the common prior art with the connection relationship of switchgear 8, i.e., handcart is slidably arranged in by guide rail
On switchgear, moving contact 71 is located on handcart and moves with the sliding of handcart, and static contact 81 is then set on switchgear.
As shown in Fig. 1 to Fig. 6, a kind of handcart switch cabinet blocking device, including
Commutative ring 1, interlocking bar 2, the pedestal 11 being located on switchgear and the guide rod 12 being located on handcart, guide rod pass through commutative ring,
The inner sidewall of commutative ring is equipped with internal screw thread, and guide rod is equipped with and internal screw thread is to matched thread segment 121, and commutative ring rotation is arranged
On the base, the axis of commutative ring and the glide direction of handcart are parallel, and commutative ring is enable steadily to contact with thread segment.Commutative ring
Lateral wall be equipped with connecting column 13, pedestal is equipped with reversing groove, and connecting column passes through reversing groove, and connecting column is hinged on interlocking bar
On.Switchgear is equipped with slide 14, and slide is equipped with the slide opening to slidably reciprocate for guide rod, and guide rod passes through slide opening, screw thread section
Between slide and pedestal, slide plays a supportive role to the sliding of guide rod.
The interlocking bar is equipped with several blocking mechanisms 3, and blocking mechanism includes the pedestal 4 being fixed on switchgear, rotation
The main turntable 5 being set on the base and the driving turntable 6 being rotatably arranged on pedestal.Pedestal is equipped with several guide posts 41, main
Turntable is equipped with several and one-to-one arcuate guide hole 42 of guide post, and guide post is slidably arranged in corresponding arcuate guide hole
In, ideally, each guide post is located on the same circumference, and each arcuate guide hole is sequentially distributed along the circumferential direction of main turntable, leads
It play the guiding role to column and the cooperation of arcuate guide hole to the rotation of main turntable, while shaft is set between being not required in the base, save
The space of the middle of the base.Driving turntable radially extends to form connection bump 61 far from the side of driving cog, the end of connection bump
It is hinged in interlocking bar, guarantees that driving turntable is not interfered with interlocking bar.Several biographies are equipped on driving turntable and main turntable
Movable tooth 62, driving turntable and main turntable are equipped with the stationary contact head bore 43 for running through pedestal and are covered by transmission tooth engagement, the middle part of pedestal
The port lid in stationary contact head bore is covered, port lid is made of several movable plates 44 being hinged on pedestal, and the side wall of movable plate is by outer arc
Face 441, the first intrados 442 and the second intrados 443 composition, in two neighboring movable plate: the second of previous movable plate
Intrados is bonded with the first intrados of the latter movable plate, reduces split gap when static contact closing between each movable plate, together
When each movable plate move when will not interfere.Movable plate is equipped with the tie rod 45 for pulling movable plate, the both ends of tie rod
It is respectively hinged on movable plate and main turntable.The side wall of stationary contact head bore axially extends to form hole cage 46, on the side wall of hole cage
Equipped with several relief holes passed through for movable plate, movable plate passes through corresponding relief hole, guarantees that movable plate movement is steady, steps down
Also there is guiding role in hole to movable plate, guarantees that each movable plate can piece together smooth port lid.
When needing to overhaul, handcart is pulled out into switchgear, guide rod is slided to outside switchgear, when thread segment slides into and commutative ring
When contact, moving contact is extracted out from switchgear and is separated with static contact at this time, and as handcart further pulls out, thread segment makes to change
It is rotated clockwise to ring, interlocking bar is driven to move to the right, then driving turntable driven to rotate clockwise, pass through matching for driving cog
It closes, main turntable is driven to rotate counterclockwise, drive tie rod to shrink to the center of circle of stationary contact head bore, push all movable blocks to stationary contact head bore
The center of circle shrink, close port lid, complete moving contact pull out switchgear outside after static contact reliable locking, prevent operator from missing
Touching.
Handcart is pushed into switchgear after maintenance, guide rod is slided into switchgear, and thread segment first makes with commutative ring cooperation
Commutative ring is inverse to be rotated clockwise, and is driven interlocking bar to move to the left, then driving turntable is driven to rotate counterclockwise, pass through driving cog
Cooperation, drive main turntable rotate clockwise, drive locking tie rod to the circumference of stationary contact head bore expand, pull all movable blocks
It outwardly opens, opens port lid, after port lid fully opens, thread segment is detached from commutative ring, and handcart can easily be pushed into switch very much
Cabinet.
The beneficial effects of the present invention are: moving contact first removes stationary contact head bore and static contact point during handcart pulls out
From, port lid is automatically closed again, prevents operator's accidentally touching stationary contact head bore, and during handcart push-in, port lid is first automatically opened,
Moving contact enters back into stationary contact head bore and contacts with static contact, effectively prevent handcart to move back in switchgear expert stuck, while port lid is beaten
On or off is a linkage process when closing the push-in or extraction with handcart, and whole process is not required to other operations, is more convenient work people
Member's operation.
Claims (8)
1. a kind of handcart switch cabinet blocking device, characterized in that including
Commutative ring, interlocking bar, the pedestal being located on switchgear and the guide rod being located on handcart, guide rod pass through commutative ring, commutative ring
Inner sidewall be equipped with internal screw thread, guide rod be equipped with and internal screw thread to matched thread segment, commutative ring is rotatably arranged on pedestal,
The lateral wall of commutative ring is equipped with connecting column, and pedestal is equipped with reversing groove, and connecting column passes through reversing groove, and connecting column is hinged on connection
In lever；
The interlocking bar is equipped with blocking mechanism, and blocking mechanism includes the pedestal being fixed on switchgear, is rotatably arranged on pedestal
On main turntable and the driving turntable that is rotatably arranged on pedestal, driving turntable be hinged in interlocking bar, driving turntable and main turn
Several driving cogs, driving turntable and main turntable are equipped on disk by transmission tooth engagement, the middle part of pedestal is equipped with through pedestal
Stationary contact head bore and the port lid being covered in stationary contact head bore, port lid is made of several movable plates being hinged on pedestal, on movable plate
Equipped with for pulling the tie rod of movable plate, the both ends of tie rod are respectively hinged on movable plate and main turntable.
2. a kind of handcart switch cabinet blocking device according to claim 1, characterized in that the switchgear, which is equipped with, to be slided
Seat, slide are equipped with the slide opening to slidably reciprocate for guide rod, and guide rod passes through slide opening, and thread segment is between slide and pedestal.
3. a kind of handcart switch cabinet blocking device according to claim 1 or 2, characterized in that the axis of the commutative ring
It is parallel with the glide direction of handcart.
4. a kind of handcart switch cabinet blocking device according to claim 1 or 2, characterized in that if the pedestal is equipped with
Dry guide post, main turntable are equipped with several and one-to-one arcuate guide hole of guide post, and guide post is slidably arranged in corresponding
In arcuate guide hole.
5. a kind of handcart switch cabinet blocking device according to claim 4, characterized in that each guide post is located at the same circle
Zhou Shang, each arcuate guide hole are sequentially distributed along the circumferential direction of main turntable.
6. a kind of handcart switch cabinet blocking device according to claim 1 or 2, characterized in that the side of the stationary contact head bore
The side wall of the axially extending formation hole cage of wall, hole cage is equipped with several relief holes passed through for movable plate, and movable plate passes through
Corresponding relief hole.
7. a kind of handcart switch cabinet blocking device according to claim 1 or 2, characterized in that the side wall of the movable plate
It is made of extrados, the first intrados and the second intrados, in two neighboring movable plate: the second inner arc of previous movable plate
Face is bonded with the first intrados of the latter movable plate.
8. a kind of handcart switch cabinet blocking device according to claim 1 or 2, characterized in that the driving turntable is separate
The side of driving cog radially extends to form connection bump, and the end of connection bump is hinged in interlocking bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810573065.3A CN109462168B (en) | 2018-06-06 | 2018-06-06 | A kind of handcart switch cabinet blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810573065.3A CN109462168B (en) | 2018-06-06 | 2018-06-06 | A kind of handcart switch cabinet blocking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109462168A true CN109462168A (en) | 2019-03-12 |
| CN109462168B CN109462168B (en) | 2019-11-12 |
Family
ID=65606294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810573065.3A Active CN109462168B (en) | 2018-06-06 | 2018-06-06 | A kind of handcart switch cabinet blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109462168B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0099036A1 (en) * | 1982-07-13 | 1984-01-25 | Siemens Aktiengesellschaft | Electrical metal-clad switchboard |
| CN101022210A (en) * | 2006-08-03 | 2007-08-22 | 高文悦 | 3.6 40.5kv withdrawing high-voltage switch equipment valve mechanism |
| CN201233814Y (en) * | 2008-08-01 | 2009-05-06 | 汕头正超电气集团有限公司 | Movable door locking mechanism for withdrawn type switch cabinet |
| CN101499630A (en) * | 2008-10-15 | 2009-08-05 | 安徽宏鼎电气设备制造有限责任公司 | Shutter opening and closing mechanism for withdrawn type high-voltage switch cabinet |
| CN202111379U (en) * | 2011-06-14 | 2012-01-11 | 上海南华兰陵电气有限公司 | Guide mechanism of pressing plate type valve |
| CN106972394A (en) * | 2017-04-28 | 2017-07-21 | 江苏国宏电力科技有限公司 | Armoured removable type alternating |
| CN206461280U (en) * | 2017-02-28 | 2017-09-01 | 上海华东电器集团电气有限公司 | A kind of high-voltage removable-type switch cubicle |
| CN206864995U (en) * | 2017-06-21 | 2018-01-09 | 广州白云电器设备股份有限公司 | A kind of valve can self-locking central switch cabinet |
| CN208385983U (en) * | 2018-06-06 | 2019-01-15 | 国网浙江江山市供电有限公司 | A kind of blocking mechanism for handcart switch cabinet |
-
2018
- 2018-06-06 CN CN201810573065.3A patent/CN109462168B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0099036A1 (en) * | 1982-07-13 | 1984-01-25 | Siemens Aktiengesellschaft | Electrical metal-clad switchboard |
| CN101022210A (en) * | 2006-08-03 | 2007-08-22 | 高文悦 | 3.6 40.5kv withdrawing high-voltage switch equipment valve mechanism |
| CN201233814Y (en) * | 2008-08-01 | 2009-05-06 | 汕头正超电气集团有限公司 | Movable door locking mechanism for withdrawn type switch cabinet |
| CN101499630A (en) * | 2008-10-15 | 2009-08-05 | 安徽宏鼎电气设备制造有限责任公司 | Shutter opening and closing mechanism for withdrawn type high-voltage switch cabinet |
| CN202111379U (en) * | 2011-06-14 | 2012-01-11 | 上海南华兰陵电气有限公司 | Guide mechanism of pressing plate type valve |
| CN206461280U (en) * | 2017-02-28 | 2017-09-01 | 上海华东电器集团电气有限公司 | A kind of high-voltage removable-type switch cubicle |
| CN106972394A (en) * | 2017-04-28 | 2017-07-21 | 江苏国宏电力科技有限公司 | Armoured removable type alternating |
| CN206864995U (en) * | 2017-06-21 | 2018-01-09 | 广州白云电器设备股份有限公司 | A kind of valve can self-locking central switch cabinet |
| CN208385983U (en) * | 2018-06-06 | 2019-01-15 | 国网浙江江山市供电有限公司 | A kind of blocking mechanism for handcart switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109462168B (en) | 2019-11-12 |
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