CN208385983U - A kind of blocking mechanism for handcart switch cabinet - Google Patents
A kind of blocking mechanism for handcart switch cabinet Download PDFInfo
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- CN208385983U CN208385983U CN201820867892.9U CN201820867892U CN208385983U CN 208385983 U CN208385983 U CN 208385983U CN 201820867892 U CN201820867892 U CN 201820867892U CN 208385983 U CN208385983 U CN 208385983U
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- pedestal
- handcart
- movable plate
- commutative ring
- turntable
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 title claims abstract description 16
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- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 230000003068 static effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000003319 supportive effect Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
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Abstract
The utility model relates to switchgear field more particularly to a kind of blocking mechanisms for handcart switch cabinet.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.The utility model is compact-sized, easy to operate, handcart can be effectively prevent to move back in switchgear expert stuck.
Description
Technical field
The utility model relates to switchgear field more particularly to a kind of blocking mechanisms for handcart switch cabinet.
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.
Utility model content
The purpose of this utility model is to overcome be stuck in the prior art because blocking device resistance frequently results in greatly handcart
Row move back during deficiency, providing a kind of can effectively prevent handcart and moves back stuck closing for handcart switch cabinet in switchgear expert
Latch mechanism.
To achieve the goals above, the utility model uses following technical scheme:
A kind of blocking mechanism for handcart switch cabinet, 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, change
It is equipped with internal screw thread to the inner sidewall of ring, guide rod is equipped with and internal screw thread is to matched thread segment, and commutative ring is rotatably arranged on base
On seat, 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, connecting column hinge
It connects in interlocking bar；
The interlocking bar be equipped with several locking assemblies, locking assembly include the pedestal being fixed on switchgear, rotation set
The driving turntable setting the main turntable on pedestal and being rotatably arranged on pedestal, driving turntable are hinged in interlocking bar, and transmission turns
Several driving cogs, driving turntable and main turntable are equipped on disk and main turntable by transmission tooth engagement, the middle part of pedestal, which is equipped with, to be passed through
The port lid wearing the stationary contact head bore of pedestal and being covered in stationary contact head bore, port lid are made of several movable plates being hinged on pedestal,
Movable 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, 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 utility model are: (1) handcart pull out during, moving contact first remove stationary contact head bore with it is quiet
Contact separates, and port lid is automatically closed again, prevents operator's accidentally touching stationary contact head bore, during handcart push-in, port lid is first certainly
Dynamic to open, 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) hole
It is a linkage process when push-in or extraction of lid opened or closed with handcart, whole process is not required to other operations, is more convenient
Staff's operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram at another visual angle of the utility model；
Fig. 3 is the structural schematic diagram of blocking mechanism in the utility model；
Fig. 4 is the structural schematic diagram of port lid in the utility model；
Fig. 5 is the structural schematic diagram of commutative ring in the utility model.
In figure: commutative ring 1, interlocking bar 2, pedestal 11, guide rod 12, thread segment 121, connecting column 13, slide 14, locking assembly
3, pedestal 4, guide post 41, arcuate guide hole 42, port lid 43, movable plate 44, tie rod 45, extrados 441, the first intrados 442,
It is second intrados 443, main turntable 5, driving turntable 6, connection bump 61, driving cog 62, handcart 7, moving contact 71, switchgear 8, quiet
Contact 81.
Specific embodiment
The utility model is 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. 5, a kind of blocking mechanism for handcart switch cabinet, 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 commutation
Ring, the inner sidewall of commutative ring are equipped with internal screw thread, and guide rod is equipped with and internal screw thread is to matched thread segment 121, and commutative ring rotates
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 for setting.It changes
It is equipped with connecting column 13 to the lateral wall of ring, pedestal is equipped with reversing groove, and connecting column passes through reversing groove, and connecting column is hinged on connection
In lever.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
For section between slide and pedestal, slide plays a supportive role to the sliding of guide rod.
The interlocking bar is equipped with several locking assemblies 3, and locking assembly 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, guide post and the cooperation of arcuate guide hole play the guiding role to the rotation of main turntable, while shaft is arranged 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, connection bump
End is hinged in interlocking bar, guarantees that driving turntable is not interfered with interlocking bar.If being equipped on driving turntable and main turntable
Dry driving cog 62, driving turntable and main turntable by transmission tooth engagement, the middle part of pedestal be equipped with through pedestal stationary contact head bore and
The port lid 43 being covered in stationary contact head bore, port lid are made of several movable plates 44 being hinged on pedestal, the side wall of movable plate by
Extrados 441, the first intrados 442 and the second intrados 443 composition, in two neighboring movable plate: previous movable plate
Second intrados is bonded with the first intrados of the latter movable plate, reduces split seam when static contact closing between each movable plate
Gap, while will not be interfered when the movement of each movable plate.Movable plate is equipped with the tie rod 45 for pulling movable plate, tie rod
Both ends are respectively hinged on movable plate and main turntable.
The utility model use process is as follows: when needing to overhaul, handcart is pulled out into switchgear, guide rod is sliding to outside switchgear
Dynamic, when thread segment, which slides into, to be contacted with commutative ring, moving contact is extracted out from switchgear and is separated with static contact at this time, with
Handcart further pulls out, and thread segment rotates clockwise commutative ring, drives interlocking bar to move to the right, then drives driving turntable
It rotates clockwise, by the cooperation of driving cog, main turntable is driven to rotate counterclockwise, tie rod is driven to receive to the center of circle of stationary contact head bore
Contracting pushes all movable blocks to shrink to the center of circle of stationary contact head bore, closes port lid, completes static contact after moving contact pulls out outside switchgear
Reliable locking, prevent operator accidentally touch.
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 utility model are: moving contact first removes stationary contact head bore and stationary contact during handcart pulls out
Head separation, port lid are automatically closed again, prevent operator's accidentally touching stationary contact head bore, during handcart push-in, port lid is first automatic
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, while port lid
The push-in or extraction opened or closed with handcart when be a linkage process, whole process is not required to other operations, be more convenient work
Make personnel's operation.
Claims (6)
1. a kind of blocking mechanism for handcart switch cabinet, 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 linkage
On bar；
The interlocking bar is equipped with locking assembly, and locking assembly 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 blocking mechanism for handcart switch cabinet according to claim 1, characterized in that set on the switchgear
Have a slide, slide is equipped with the slide opening to slidably reciprocate for guide rod, and guide rod passes through slide opening, thread segment be located at slide and pedestal it
Between.
3. a kind of blocking mechanism for handcart switch cabinet according to claim 1 or 2, characterized in that the commutative ring
Axis it is parallel with the glide direction of handcart.
4. a kind of blocking mechanism for handcart switch cabinet according to claim 1 or 2, characterized in that on the pedestal
Equipped with several guide posts, main turntable is equipped with several and one-to-one arcuate guide hole of guide post, and guide post is slidably arranged in
In corresponding arcuate guide hole.
5. a kind of blocking mechanism for handcart switch cabinet according to claim 1 or 2, characterized in that the movable plate
Side wall be made of extrados, the first intrados and the second intrados, in two neighboring movable plate: the of previous movable plate
Two intrados are bonded with the first intrados of the latter movable plate.
6. a kind of blocking mechanism for handcart switch cabinet according to claim 1 or 2, characterized in that the transmission turns
Disk radially extends to form connection bump far from the side of driving cog, and the end of connection bump is hinged in interlocking bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820867892.9U CN208385983U (en) | 2018-06-06 | 2018-06-06 | A kind of blocking mechanism for handcart switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820867892.9U CN208385983U (en) | 2018-06-06 | 2018-06-06 | A kind of blocking mechanism for handcart switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208385983U true CN208385983U (en) | 2019-01-15 |
Family
ID=64969134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820867892.9U Active CN208385983U (en) | 2018-06-06 | 2018-06-06 | A kind of blocking mechanism for handcart switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208385983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462168A (en) * | 2018-06-06 | 2019-03-12 | 国网浙江江山市供电有限公司 | A kind of handcart switch cabinet blocking device |
-
2018
- 2018-06-06 CN CN201820867892.9U patent/CN208385983U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462168A (en) * | 2018-06-06 | 2019-03-12 | 国网浙江江山市供电有限公司 | A kind of handcart switch cabinet blocking device |
| CN109462168B (en) * | 2018-06-06 | 2019-11-12 | 国网浙江江山市供电有限公司 | A kind of handcart switch cabinet blocking device |
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