CN105281242A - Pulling type power distribution device with extension guide rail - Google Patents
Pulling type power distribution device with extension guide rail Download PDFInfo
- Publication number
- CN105281242A CN105281242A CN201510717163.6A CN201510717163A CN105281242A CN 105281242 A CN105281242 A CN 105281242A CN 201510717163 A CN201510717163 A CN 201510717163A CN 105281242 A CN105281242 A CN 105281242A
- Authority
- CN
- China
- Prior art keywords
- power distribution
- distribution equipment
- guide rail
- isolation ward
- unit
- 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
- 238000002955 isolation Methods 0.000 claims abstract description 52
- 230000000694 effects Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Trip Switchboards (AREA)
Abstract
The invention relates to a pulling type power distribution device with an extension guide rail. The pulling type power distribution device is a power distribution device unit movably installed in an isolation chamber; when being located in the isolation chamber, the power distribution device unit is supported on a fixed guide rail; when being moved out from the isolation chamber, the power distribution device unit is supported by the extension guide rail; and the guide rails can be automatically moved into or out from the isolation chamber with the power distribution device unit.
Description
Technical field
The field that the present invention relates to is drawout switchgear apparatus, is more particularly with extensible track, and extensible track can pass in and out the power distribution equipment of power distribution equipment isolation ward with this power distribution equipment.
Background technology
The circuit breaker of metal enclosed structure or metal cover structure is one and is deposited in another top, the circuit breaker of this form normally drawing and pulling type.A kind of design of drawing and pulling type structure is contained in by circuit breaker within a compartment with Qianmen.This must be able to be opened the extensible track be contained in compartment can be allowed to come in and go out.A kind of modification of this design highlights or comprise in Qianmen one piece of moveable flat board in the hole making a part for circuit breaker in Qianmen to provide path to the anterior control end of circuit breaker.But must open Qianmen in these two kinds of designs could running circuit breaker.Guide rail is in one embodiment very simple, this is because only circuit breaker by whole open position by pull out time just bear load in orbit, this situation as U.S. Patent No. 3, shown in the specification of 483,338.
If compartment does not have Qianmen, then the approach of operator is protected to be exactly that circuit breaker by being equipped with front end flat board realizes.The hole of compartment has been blocked completely when this flat board is on circuit breaker is coupled.Obviously, according to so a kind of structure, after extensible track is contained in flat board, and extensible track is neither highlighted by front end flat board, and people also can not be made to meet it.If do not have guide supporting circuit breaker, circuit breaker just can not pull out.The way addressed this problem is placed on by circuit breaker on an extensible track.But because the intensity of guide rail just will can sustain short-circuit force enough greatly, therefore this way cost of dealing with problems is very high.
Summary of the invention
According to the present invention, for current consuming apparatus and the drawout switchgear apparatus of power distribution electric power comprise:
The isolation ward of front opening;
Can move into, shift out the breaker unit of isolation ward;
By the stiff end head member supported in isolation ward;
Be contained on breaker unit, and can at the movable end parts be coupled in company with isolation ward together movement between position and open position of stiff end head member;
For supporting the motion of breaker unit and comprising the guiding part of the guide rail in a distance of isolation ward inside;
The prolongation of guide rail, the prolongation of each guide rail is installed near guide rail activity, and can move into together in company with breaker unit and shift out isolation ward, to make to support circuit breaker when breaker unit moves through front openings.
The suitable practice is, to be contained in power distribution equipment unit activity in isolation ward and to load onto roller in its top; Fixed guide is contained in isolation ward, and also has a supporting surface, and when power distribution equipment unit is in isolation ward inside, above-mentioned supporting surface engages to support power distribution equipment unit with roller; Extensible track has a supporting surface, this supporting surface to be supported on slidably on fixed guide in case the supporting surface of an advanced position in isolation ward and extensible track reach isolation ward outside an extended position between can move; It is dull and stereotyped to close front openings when power distribution equipment unit is in isolation ward inside that power distribution equipment unit comprises a front end; Extensible track is connected with power distribution equipment unit thus can passes in and out isolation ward together with power distribution equipment unit, and therefore when power distribution equipment unit moves through front openings, this power distribution equipment unit just receives the support of extensible track; This guide rail geared to actual circumstances includes a cam, and this cam can be meshed with roller, thus extensible track can be made to shift out from isolation ward together in company with power distribution equipment unit; Front end flat board comprises a surface can engaged with the extension of guide rail when power distribution equipment unit shift-in isolation ward; Fixed guide and extensible track have first and second supporting surfaces respectively, they all engage with roller, first supporting surface slightly higher than second supporting surface, thus just can power distribution equipment unit move into isolation ward or when shifting out from isolation ward, between the first supporting surface and the second supporting surface, transmit the support loading of power distribution equipment unit.
The advantage of present device is just, without the entrance not leading to extensible track in the compartment at Qianmen, the approach of dealing with problems is that track together automatically moves into circuit breaker and shifts out.
Accompanying drawing explanation
Fig. 1 is the end view of power distribution equipment, represents that it is all placed in the moveable unit in relevant cube body or in isolation ward;
Fig. 2 is an end view being similar to Fig. 1, but moveable unit has wherein pulled out a part from cube body or in isolation ward;
Fig. 3 is an end view being similar to Fig. 2, but moveable unit is wherein extracted out from the working position shown in Fig. 1 completely and is supported on extensible track;
Fig. 4 is the vertical view that IV-IV line intercepts in Fig. 1;
Fig. 5 is the front view of base and extensible track;
Fig. 6 is the vertical view intercepted from VI-VI line of Fig. 5;
Fig. 7 is the end-view intercepted from VII-VII line of Fig. 5.
Embodiment
With reference to above-mentioned accompanying drawing, wherein drawout switchgear apparatus 5 includes a circuit breaker 7 and an isolation ward or claims lattice room 9.Generally speaking, the 26S Proteasome Structure and Function of circuit breaker 7 and U.S. Patent No. 3,483, the circuit breaker disclosed in 338 specifications is similar.Namely circuit breaker 7 is installed within the container of the mold pressing that is made up of high-strength phenolic resin (glass fibre such as strengthened).The rear wall of movable end parts 11,13 (see Fig. 1) self-blocking device extends out.Stationary end parts 15,17 extend out through the rear wall 19 of isolation ward 9, and are connected on the right of rear wall 19 as shown in Figure 1 and busbar (not shown).Through the circuit of power distribution equipment 5 from stationary end parts 15, extend to movable end parts 13 and stationary end parts 17 by end pieces 11, circuit breaker 7.
Isolation ward 9 comprises relative sidewall 21,23, rear wall 19 and front opening 25.
Circuit breaker 7 includes a header board 27, and when circuit breaker 7 is in service position or coupled position, front opening 25 is closed by (as shown in Figure 1) front end flat board 27.Substructure member 31 is contained on the relative wall of two of isolation ward 9 to support circuit breaker 7.In order to support circuit breaker, each substructure member all has a groove 33, the effect of groove 33 is support rollers 35 and 37, and roller 35 and 37 is installed on the similar pivot 39 that circuit breaker relative edge extends out.Each substructure member, 31 all comprise a support 41, and support 41 is fixed on substructure member by bolt 43, and each bolt 43 keeps certain distance, and support 41 and substructure member also maintain certain distance.
Each substructure member 31 is all equipped with an extensible track 45, wherein with corresponding support 41 for extensible track 45 is located.Each support 41 includes a cannelure 47, installs a pilot pin 49 on extensible track 45 in cannelure 47.Substructure member is also equipped with a spring bearing 51, and the effect of spring bearing 51 is that (Fig. 3) can support this extensible track when extensible track is drawn out of completely.When circuit breaker 7 is in full fixed position or coupled position (Fig. 1), namely extensible track 45 releases from its advanced position.
When circuit breaker 7 from isolation ward 9 by pull out time, when namely changing to the position of Fig. 2 from the position of Fig. 1, roller 35,37 are moved to the left in groove 33 along supporting surface 53, till when (such as upwards, or projection 55) is meshed until the part of roller 35 and the need for guide rail prolongations.If continue this unit of pull or circuit breaker 7, then extensible track will be made to move together with circuit breaker be applied to the effect of the power of epirelief part 55 at roller 35 under, extensible track will be subject to the support of the spring bearing 51 be contained on substructure member 31 simultaneously.If continue pull circuit breaker or unit 7 again, make it shift to the position of Fig. 3 from the position of Fig. 2, then roller 35,37 this supporting surfaces 53 that are about to leave shift to the supporting surface 57 of guide rail 45, and on supporting surface 57, circuit breaker 7 obtains whole supports.As shown in Figure 3, guide rail 45 is by ball bearing 51 in the groove 47 of support 41 and pilot pin 49 supporting and location.
When circuit breaker 7 turns back to coupled position (or service position) (Fig. 1) from the position be drawn out of completely (Fig. 3), roller 35,37 turns back on the supporting surface 57 of guide rail 45, until just stop when plane 59 encounters the upper end 61 of guide rail 45, so just this guide rail is turned back on the position between substructure member 31 and support 41 (Fig. 4-7).When continuing to return from the withdrawn position shown in Fig. 3, roller 37 just to move in groove 33 and continues to move along supporting surface 53.
As shown in arrow in Fig. 3 63, supporting surface 53 slightly higher than guide pass 57 (high about 0.031 inch), therefore when circuit breaker moves into isolation ward 9, the surface 65 that roller 57 and roller subsequently 59 just tilt along one moves up, thus is delivered to substructure member 31 from extensible track 45 by the load of circuit breaker 7.After this each roller continues in groove 33 mobile, until circuit breaker is in the coupled position in Fig. 1, till when its movable end parts 11,13 are meshed with parts 15,17 respectively.
Also have a Bars linkage 67 can ensure that circuit breaker 7 reliably enters movable end parts 11,13 and the joining position of stationary end parts 15,17.Bars linkage 67 comprises a control lever shaft 69, cam Bars bar 71 (being positioned on control lever shaft 69) and a cam bolt 73.When circuit breaker 7 turns back in isolation ward, cam bolt 73 enters in groove 33, and get off until cam bolt 73 is just static when the right-hand member of groove 33 is located, there is a projection of upwards slotting 75 at this place.After this, control lever shaft 69 is allowed to rotate (such as by unshowned Bars bar manual operation in an accompanying drawing), cam Bars bar 71 is inhour rotation thereupon also, in the projection 75 that result makes cam bolt 73 enter upwards to slot, be close together at the open surfaces 75a (Fig. 1) of projection 75 cam ring bolt 73 and projection 75, this just makes movable end parts 11,13 and stationary end parts 15,17 move and mutually locks thus achieve good electrical contact.
Remove outside movable end parts 11,13 and stationary end parts 15,17, second coupling or contact point 77 also telescopically are arranged on the sidewall 21,23 of isolation ward opposite wall.Second contact jaw 79 has been installed to carry out freely engaging with second coupling 77 in the outside of circuit breaker 7., be contained in by second coupling 77 on telescopic parts, these parts comprise a mounting bracket 81, guiding bolt 83 (being generally contained in support 81) and a coil spring 85 for this reason.Second contact jaw 79 comprises multiple terminal 87, and terminal 87 extends in the respective socket of second coupling 77 when centre position or check position.Wire (not shown) extends out from each the 4th coupling 77 and second contact jaw by customary way.
When circuit breaker 7 moves in isolation ward 9, circuit breaker enters coupled position by open position, centre or check position.At open position (Fig. 3), movable end parts 11,13 and stationary end parts 15,17 disconnect, the engagement and the second coupling 77 and the second contact jaw 79 do not contact.At middle or check position (Fig. 2), second coupling 77 and second contact jaw 79 connect, but movable end parts 11,13 do not contact with stationary end parts 15,17.Finally, when circuit breaker shifts to coupled position (Fig. 1), movable end parts and stationary end parts 11-17 interconnect and second hookup 77 and second contact jaw 79 also interconnect.
Therefore power distribution equipment of the present invention gives a kind of when supporting by stationary guide rails in isolation ward, can automatically pull out and return, when supporting by extensible track, can pass in and out the circuit breaker of isolation ward, and not need to process separately track as prior art.
Claims (10)
1. one kind for current consuming apparatus and the drawout switchgear apparatus of power distribution electric power, this power distribution equipment comprises the isolation ward of a front openings, a breaker unit that can pass in and out isolation ward, the stationary end parts supported in isolation ward, to be arranged on breaker unit and in company with the movable end parts of isolation ward together movement between the coupled position and open position of stationary end parts, for supporting this unit and the track segment including the guide rail be separated by a distance in isolation ward is characterized in that: the prolongation of guide rail, the effect of this prolongation makes each guide rail install actively near prolongation and can move into together with breaker unit and shift out isolation ward, therefore its support is just obtained when circuit breaker is moved by front openings.
2., according to a power distribution equipment according to claim 1, the wherein said guide rail be separated by a distance all is positioned near breaker unit relative edge.
3., according to a power distribution equipment according to claim 2, the prolongation of each wherein said guide rail is slidably mounted on its corresponding guide rail.
4., according to a power distribution equipment according to claim 3, wherein said breaker unit comprises the rotor block that can engage with the guide rail on each side of this breaker unit.
5., according to a power distribution equipment according to claim 4, wherein said guide rail prolongation includes the parts of the energy extensible track prolongation when breaker unit shifts out from isolation ward.
6., according to a power distribution equipment according to claim 5, wherein said breaker unit includes surface that an energy engages with guide rail extension guide rail prolongation can be slipped in isolation ward when breaker unit being moved into isolation ward.
7. one kind according to power distribution equipment according to claim 6, it is dull and stereotyped to close front openings when power distribution equipment unit is in isolation ward inside that wherein said power distribution equipment unit includes a front end, holds plate in the past level with both hands and include the described surface can engaged with guide rail prolongation.
8. according to a power distribution equipment according to claim 1, comprising a power distribution equipment unit, this device unit is movably arranged in isolation ward, and has a roller and install in it; A fixed guide, this guide rail to be contained in isolation ward and to have a stayed surface, this stayed surface power distribution equipment unit be positioned at isolation ward inner time engage to support this power distribution equipment unit with roller; An extensible track, this extensible track has a stayed surface, this stayed surface is slidably supported on to move between first position in isolation ward and second position on fixed guide, and in above-mentioned second position, the stayed surface of extensible track is projected into outside isolation ward to support this power distribution equipment unit; This extensible track is bound up with power distribution equipment unit to shift out together with power distribution equipment and to move in this isolation ward.
9., according to a power distribution equipment according to claim 8, wherein said extensible track includes and can engage with power distribution equipment unit so that the parts extended out together with power distribution equipment unit by extensible track.
10., according to a power distribution equipment according to claim 8, wherein said power distribution equipment unit includes and can engage with stretched guide rail said guide rail to be turned back to the parts in isolation ward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510717163.6A CN105281242A (en) | 2015-10-29 | 2015-10-29 | Pulling type power distribution device with extension guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510717163.6A CN105281242A (en) | 2015-10-29 | 2015-10-29 | Pulling type power distribution device with extension guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105281242A true CN105281242A (en) | 2016-01-27 |
Family
ID=55149802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510717163.6A Pending CN105281242A (en) | 2015-10-29 | 2015-10-29 | Pulling type power distribution device with extension guide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105281242A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109716606A (en) * | 2016-03-09 | 2019-05-03 | Abb 瑞士股份有限公司 | Pushing interlock system for drawout breaker |
-
2015
- 2015-10-29 CN CN201510717163.6A patent/CN105281242A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109716606A (en) * | 2016-03-09 | 2019-05-03 | Abb 瑞士股份有限公司 | Pushing interlock system for drawout breaker |
| CN109716606B (en) * | 2016-03-09 | 2021-02-26 | Abb 瑞士股份有限公司 | Push interlock system for draw out circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160127 |
|
| WD01 | Invention patent application deemed withdrawn after publication |