CN207753364U - A kind of handcart switch cabinet internal arc protective device - Google Patents
A kind of handcart switch cabinet internal arc protective device Download PDFInfo
- Publication number
- CN207753364U CN207753364U CN201721887105.9U CN201721887105U CN207753364U CN 207753364 U CN207753364 U CN 207753364U CN 201721887105 U CN201721887105 U CN 201721887105U CN 207753364 U CN207753364 U CN 207753364U
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- CN
- China
- Prior art keywords
- fixed
- mounting shell
- sliding block
- wall
- groove body
- 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.)
- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a kind of handcart switch cabinet internal arc protective devices,Including chassis,Cabinet and driving device,The quadrangle of tray bottom is respectively and fixedly provided with pulley,Pulley is slidably connected on cabinet inner wall,Driving device is fixed on the bottom on chassis,Driving device includes mounting shell,Drive rod,Power spring,Guide rod,Sliding block,Buffer Unit,Fixed plate,Connecting plate,Supporting block,Electric pushrod and clamping joint,The side of mounting shell is fixed with fixed plate,Fixed plate is fixed on cabinet inner wall,Inner wall of the one end of power spring with mounting shell close to fixed plate side is fixed,The other end of power spring is fixed with sliding block,Sliding block is slidably connected on the inside of mounting shell,Guide rod is located on the inside of power spring,This handcart switch cabinet internal arc protective device,The speed of fault electric arc extinguishing is accelerated by driving device,Keep the arc protection in cabinet more efficient.
Description
Technical field
The utility model is related to switchgear technical field, specially a kind of handcart switch cabinet internal arc protective device.
Background technology
In the power system, common 10KV switchgears high pressure every empty room include bus-bar room, cable vault and breaker chamber,
However, when equipment, which breaks down, generates arc light, it can not each be supervised every being fitted without Electric arc monitoring equipment in empty room
It surveys and sends out switch trip signal in time, when especially switch cabinet bus breaks down, excision fault time is up to 100ms-
Between 1000ms, it cannot rapidly extinguish fault electric arc, and the temperature of point occurs for arc light up to 10000K, so high temperature will
Cause that copper bar, aluminium row melts down and vaporization, make that cable melts down, cable clad catches fire, and cause to be stained in cabinet, protective paint destroys by fire,
Cleaning is difficult.In addition, high temperature, high pressure gas are also possible to be diffused into adjacent discs at a terrific speed, to cause multigroup switch
The accident that cabinet is burnt simultaneously.
According to the patent No. 201520073007, a kind of handcart switch cabinet internal arc protective device being capable of monitoring switch
Fault electric arc in cabinet, and fault electric arc can be extinguished, to play the role of protecting switchgear, but due to handcart skate machine
Structure is relatively slow to the drive actions on chassis, and the speed of arc extinction is made to reduce, and the instantaneous temperature that arc light generates is higher, unfavorable
In the efficient protection to switchgear internal arc.For this purpose, it is proposed that a kind of handcart switch cabinet internal arc protective device.
Utility model content
The purpose of this utility model is to provide a kind of handcart switch cabinet internal arc protective devices, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions：A kind of handcart switch cabinet internal arc guarantor
The quadrangle of protection unit, including chassis, cabinet and driving device, the tray bottom is respectively and fixedly provided with pulley, and the pulley sliding connects
It is connected on cabinet inner wall, the driving device is fixed on the bottom on chassis, and the driving device includes mounting shell, drive rod, storage
Power spring, guide rod, sliding block, Buffer Unit, fixed plate, connecting plate, supporting block, electric pushrod and clamping joint, the mounting shell
Side fixed with fixed plate, the fixed plate is fixed on cabinet inner wall, and one end of the power spring and mounting shell are close
The inner wall of fixed plate side is fixed, and the other end and the sliding block of the power spring are fixed, and the sliding block is slidably connected at mounting shell
Inside, the guide rod are located on the inside of power spring, and the both ends of the guide rod are fixed with sliding block and mounting shell inner wall respectively, institute
The one end and side of the sliding block far from power spring for stating drive rod are fixed, and the other end of the drive rod passes through across mounting shell to be delayed
It rushes component to fix with connecting plate, the supporting block is located at the side of mounting shell, and the bottom of the supporting block and the inner wall of cabinet are solid
Fixed, the electric pushrod is fixed in supporting block, and output end and the clamping joint of the electric pushrod are fixed, the mounting shell and card
The corresponding position of connector is equipped with through-hole, and sliding block position corresponding with through-hole is equipped with limit hole, and the clamping joint is far from electronic
One end of push rod output end passes through through-hole to be clamped with limit hole.
Preferably, the guide rod includes sleeve and connecting rod, and one end and the mounting shell of the sleeve are fixed, the connection
Bar is slidably connected at the inside of sleeve, and the one end of the connecting rod far from sleeve is fixed with sliding block.
Preferably, the Buffer Unit includes groove body, buffer spring, baffle and buffer shaft, the side of the groove body and drive
Lever is fixed, and the inner wall of one end of the buffer spring with groove body close to drive rod side is fixed, the buffer spring it is another
End is fixed with baffle, and the barrier slides are connected to the inside of groove body, and one end of the buffer shaft and baffle are far from buffer spring
Side fix, the other end of the buffer shaft is fixed across groove body with connecting plate, and the buffer shaft is slidably connected with groove body.
Preferably, the inner wall of the outside of the baffle and groove body coordinates.
Preferably, the one end of the clamping joint far from electric pushrod is arc-shaped structure.
Compared with prior art, the utility model has the beneficial effects that：
1, the utility model accelerates the speed of fault electric arc extinguishing by driving device, makes arc protection in cabinet more
Increase effect, when work, by clamping joint to the position-limiting action of sliding block, sliding block is made to be fixed on inside mounting shell, the two of power spring
It holds the inner wall respectively with sliding block and mounting shell to fix, fixation of the sliding block in mounting shell is made to play the work for storing power to power spring
With when being driven to chassis, by the contraction of electric pushrod output end, making clamping joint be detached from limit hole, clamping joint pair
The fixed function of sliding block disappears, and power spring Rapid reset ejects drive shaft, to realize the fast driving to chassis.
2, the utility model plays cushioning effect by the flexible of buffer spring to the movement on chassis, prevent static contact by
It is damaged to shock, the phenomenon that inner wall of the outside of baffle and groove body coordinates, and the baffle avoided tilts, clamping joint is separate electric
One end of dynamic push rod is arc-shaped structure, is entered in limit hole convenient for clamping block.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model driving device structure schematic diagram；
Fig. 3 is the utility model driving device vertical view；
Fig. 4 is a-quadrant enlarged drawing in Fig. 3；
Fig. 5 is B area enlarged drawing in Fig. 3.
In figure：The chassis 1-；2- pulleys；3- cabinets；4- driving devices；5- mounting shells；6- drive rods；7- power springs；8-
Guide rod；9- sliding blocks；10- Buffer Units；11- fixed plates；12- connecting plates；13- supporting blocks；14- electric pushrods；15- is clamped
Head；16- through-holes；17- limit holes；18- sleeves；19- connecting rods；20- groove bodies；21- buffer springs；22- baffles；23- buffer shafts.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of handcart switch cabinet internal arc protection dress
It sets, including chassis 1, cabinet 3 and driving device 4, the quadrangle of 1 bottom of the chassis is respectively and fixedly provided with pulley 2, and the pulley 2 slides
It is connected on 3 inner wall of cabinet, the driving device 4 is fixed on the bottom on chassis 1, and the driving device 4 includes mounting shell 5, drives
Lever 6, power spring 7, guide rod 8, sliding block 9, Buffer Unit 10, fixed plate 11, connecting plate 12, supporting block 13, electric pushrod
14 and clamping joint 15, side and the fixed plate 11 of the mounting shell 5 are fixed, and the fixed plate 11 is fixed on 3 inner wall of cabinet, institute
Inner wall of the one end of power spring 7 with mounting shell 5 close to 11 side of fixed plate is stated to fix, the other end of the power spring 7 with
Sliding block 9 is fixed, and the sliding block 9 is slidably connected at 5 inside of mounting shell, and the guide rod 8 is located at 7 inside of power spring, described
The both ends of guide rod 8 are fixed with sliding block 9 and 5 inner wall of mounting shell respectively, one end and the separate storage power bullet of sliding block 9 of the drive rod 6
The side of spring 7 is fixed, and the other end of the drive rod 6 passes through mounting shell 5 to be fixed by Buffer Unit 10 and connecting plate 12, described
Supporting block 13 is located at the side of mounting shell 5, and the bottom of the supporting block 13 and the inner wall of cabinet 3 are fixed, the electric pushrod 14
It is fixed in supporting block 13, output end and the clamping joint 15 of the electric pushrod 14 are fixed, and the mounting shell 5 and clamping joint 15 are right
The position answered is equipped with through-hole 16, and the position corresponding with through-hole 16 of the sliding block 9 is equipped with limit hole 17, and the clamping joint 15 is far from electricity
One end of 14 output end of dynamic push rod passes through through-hole 16 to be clamped with limit hole 17.
The guide rod 8 includes sleeve 18 and connecting rod 19, and one end and the mounting shell 5 of the sleeve 18 are fixed, the company
Extension bar 19 is slidably connected at the inside of sleeve 18, and the one end of the connecting rod 19 far from sleeve 18 is fixed with sliding block 9, by leading
Play the role of guiding to movement of the sliding block 9 in mounting shell 5 to bar 8, it is therefore prevented that shaking of the sliding block 9 in mounting shell 5.
The Buffer Unit 10 includes groove body 20, buffer spring 21, baffle 22 and buffer shaft 23, the side of the groove body 20
It is fixed with drive rod 6, the inner wall of one end of the buffer spring 21 with groove body 20 close to 6 side of drive rod is fixed, the buffering
The other end of spring 21 is fixed with baffle 22, and the baffle 22 is slidably connected at the inside of groove body 20, and the one of the buffer shaft 23
End is fixed with side of the baffle 22 far from buffer spring 21, and the other end of the buffer shaft 23 passes through groove body 20 and connecting plate 12
Fixed, the buffer shaft 23 is slidably connected with groove body 20, and cushioning effect is played to the movement on chassis 1 by buffer spring 21,
Prevent that static contact from being hit and is damaged.
The phenomenon that outside of the baffle 22 coordinates with the inner wall of groove body 20, and the baffle 22 avoided tilts.
The one end of the clamping joint 15 far from electric pushrod 14 is arc-shaped structure, enters limit hole 17 convenient for clamping block
It is interior.
Operation principle：The speed that fault electric arc extinguishing is accelerated by driving device 4 makes arc protection in cabinet 3 more
Increase effect, when work, by clamping joint 15 to the position-limiting action of sliding block 9, sliding block 9 is made to be fixed on inside mounting shell 5, store power bullet
Inner wall of the both ends of spring 7 respectively with sliding block 9 and mounting shell 5 is fixed, and fixation of the sliding block 9 in mounting shell 5 is made to play power spring 7
To the effect for storing power, when being driven to chassis 1, by the contraction of 14 output end of electric pushrod, make clamping joint 15 and limit
Hole 17 is detached from, and clamping joint 15 disappears to the fixed function of sliding block 9, and 7 Rapid reset of power spring ejects drive shaft, to realize
To the fast driving on chassis 1.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of handcart switch cabinet internal arc protective device, including chassis (1), cabinet (3) and driving device (4), special
Sign is：The quadrangle of chassis (1) bottom is respectively and fixedly provided with pulley (2), and the pulley (2) is slidably connected at cabinet (3) inner wall
On, the driving device (4) is fixed on the bottom of chassis (1), the driving device (4) include mounting shell (5), drive rod (6),
Power spring (7), guide rod (8), sliding block (9), Buffer Unit (10), fixed plate (11), connecting plate (12), supporting block (13),
The side of electric pushrod (14) and clamping joint (15), the mounting shell (5) is fixed with fixed plate (11), and the fixed plate (11) is solid
It is scheduled on cabinet (3) inner wall, the inner wall of one end and close fixed plate (11) side of mounting shell (5) of the power spring (7) is solid
Fixed, the other end of the power spring (7) is fixed with sliding block (9), and the sliding block (9) is slidably connected on the inside of mounting shell (5), institute
It states guide rod (8) to be located on the inside of power spring (7), the both ends of the guide rod (8) are interior with sliding block (9) and mounting shell (5) respectively
Wall is fixed, and one end and side of the sliding block (9) far from power spring (7) of the drive rod (6) are fixed, the drive rod (6)
The other end passes through mounting shell (5) fixed by Buffer Unit (10) and connecting plate (12), and the supporting block (13) is located at mounting shell
(5) side, the bottom of the supporting block (13) and the inner wall of cabinet (3) are fixed, and the electric pushrod (14) is fixed on support
On block (13), the output end of the electric pushrod (14) is fixed with clamping joint (15), and the mounting shell (5) and clamping joint (15) are right
The position answered is equipped with through-hole (16), and the sliding block (9) position corresponding with through-hole (16) is equipped with limit hole (17), the clamping joint
(15) one end far from electric pushrod (14) output end passes through through-hole (16) to be clamped with limit hole (17).
2. a kind of handcart switch cabinet internal arc protective device according to claim 1, it is characterised in that：The guiding
Bar (8) includes sleeve (18) and connecting rod (19), and one end of the sleeve (18) and mounting shell (5) are fixed, the connecting rod
(19) it is slidably connected at the inside of sleeve (18), the one end of the connecting rod (19) far from sleeve (18) and sliding block (9) are fixed.
3. a kind of handcart switch cabinet internal arc protective device according to claim 1, it is characterised in that：The buffering
Component (10) includes groove body (20), buffer spring (21), baffle (22) and buffer shaft (23), the side of the groove body (20) and drive
Lever (6) is fixed, and the inner wall of one end and close drive rod (6) side of groove body (20) of the buffer spring (21) is fixed, described
The other end of buffer spring (21) is fixed with baffle (22), and the baffle (22) is slidably connected at the inside of groove body (20), described
One end of buffer shaft (23) is fixed with side of the baffle (22) far from buffer spring (21), and the other end of the buffer shaft (23) is worn
It is fixed with connecting plate (12) to cross groove body (20), the buffer shaft (23) is slidably connected with groove body (20).
4. a kind of handcart switch cabinet internal arc protective device according to claim 3, it is characterised in that：The baffle
(22) outside and the inner wall of groove body (20) coordinate.
5. a kind of handcart switch cabinet internal arc protective device according to claim 1, it is characterised in that：The clamping
The one end of head (15) far from electric pushrod (14) is arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887105.9U CN207753364U (en) | 2017-12-29 | 2017-12-29 | A kind of handcart switch cabinet internal arc protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887105.9U CN207753364U (en) | 2017-12-29 | 2017-12-29 | A kind of handcart switch cabinet internal arc protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207753364U true CN207753364U (en) | 2018-08-21 |
Family
ID=63149878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721887105.9U Expired - Fee Related CN207753364U (en) | 2017-12-29 | 2017-12-29 | A kind of handcart switch cabinet internal arc protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207753364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510387A (en) * | 2018-11-16 | 2019-03-22 | 浙江特晟智能科技有限公司 | Downstairs system on a kind of electric motor protective device and hanging |
| CN111009841A (en) * | 2019-12-24 | 2020-04-14 | 山东光韵智能科技有限公司 | Switch cabinet integral separation device |
-
2017
- 2017-12-29 CN CN201721887105.9U patent/CN207753364U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510387A (en) * | 2018-11-16 | 2019-03-22 | 浙江特晟智能科技有限公司 | Downstairs system on a kind of electric motor protective device and hanging |
| CN109510387B (en) * | 2018-11-16 | 2023-10-17 | 浙江特晟智能科技有限公司 | Motor protection device and hanging upstairs and downstairs system |
| CN111009841A (en) * | 2019-12-24 | 2020-04-14 | 山东光韵智能科技有限公司 | Switch cabinet integral separation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20181229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |