CN105449567A - Static contact positioning device of movable type switchgear and static contact positioning method - Google Patents
Static contact positioning device of movable type switchgear and static contact positioning method Download PDFInfo
- Publication number
- CN105449567A CN105449567A CN201510840881.2A CN201510840881A CN105449567A CN 105449567 A CN105449567 A CN 105449567A CN 201510840881 A CN201510840881 A CN 201510840881A CN 105449567 A CN105449567 A CN 105449567A
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- CN
- China
- Prior art keywords
- contact
- switch cabinet
- fixed contact
- moving contact
- crank arm
- 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.)
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Classifications
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- 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
- H02B11/02—Details
- H02B11/04—Isolating-contacts, e.g. mountings or shieldings
Abstract
The invention relates to a static contact positioning device of a movable type switchgear and a static contact positioning method. The static contact positioning device of a movable type switchgear comprises a switch cabinet body framework which can be pushed in and out from the left to the right along the guide rail arranged on the switch cabinet; the frame is provided with a stop positioning part which is in stop positioning cooperation with a small vehicle stop structure arranged on the end of a travel of the guide rail; the frame is provided with three-phase upper and lower positioning contacts which are arranged in parallel along the left-right direction; the upper and lower positioning contacts are moved along the upper direction and the lower direction under the action of the driving mechanism; the upper and lower positioning moving contacts are in cooperation with the upper and lower static contacts and drive the upper and lower static contacts to realize the position regulation in the horizontal direction of the upper and lower static contacts so as to realize the positioning of the upper and lower static contacts and guarantee the reliable cooperation and reliable contact between the upper and lower static contacts and the upper and lower moving contacts in the practical working.
Description
Technical field
The present invention relates to withdraw-type switch cabinet technical field, be specifically related to a kind of withdraw-type switch cabinet fixed contact positioner and fixed contact localization method.
Background technology
Have handcart, conveniently an inspect and change in withdraw-type switch cabinet, the electrical connection of switch cubicle and electric elements is all advanced along the guide rail on switch cabinet body by handcart, release and realize switching.Usually, the cabinet of switch cubicle is longitudinally furnished with upper static contact and lower fixed contact, handcart is provided with moving contact and lower moving contact, coordinate by upper moving contact and upper static contact and lower moving contact and lower fixed contact the switching realizing being electrically connected.But, usual upper and lower fixed contact is fixed on cabinet by the bolt be located in the installing hole on cabinet, owing to there is gap between bolt and the installing hole of cabinet, so when upper and lower fixed contact is fixed on cabinet, the position of upper and lower fixed contact has certain deviation in the horizontal direction, this coordinates impact upper and lower fixed contact and upper and lower moving contact, upper and lower fixed contact is contacted with upper and lower moving contact not firm, can burn contact and handcart time serious.
Summary of the invention
A kind of withdraw-type switch cabinet fixed contact positioner is the object of the present invention is to provide to contact illusive technical problem with upper moving contact and lower fixed contact with lower moving contact to solve upper static contact.The present invention also aims to provide a kind of fixed contact localization method.
The technical scheme of withdraw-type switch cabinet fixed contact positioner of the present invention: a kind of withdraw-type switch cabinet fixed contact positioner, it is characterized in that: comprise and can push in left-right direction along the guide rail that switch cabinet body is arranged and release the framework of switch cabinet body, framework be provided with for the block location division of dolly Stop structure block location fit being arranged at guide rail end of travel, framework is provided with on the three-phase that is arranged in juxtaposition in left-right direction, lower location moving contact and for drive, lower location moving contact is by the driving mechanism of guide frame guiding movement along the vertical direction, upper location moving contact is provided with for coordinating with the upper static contact pushing tow be pre-installed on switch cabinet body to drive described upper static contact to move in the horizontal direction thus realizing the upper auxiliary section that upper static contact locates, lower location moving contact is provided with for coordinating with the lower fixed contact pushing tow be pre-installed on switch cabinet body to drive described lower fixed contact to move in the horizontal direction thus realizing the lower auxiliary section that fixed contact is located.
Driving mechanism comprises the main shaft that axis extends in left-right direction, main shaft is installed with the first transmission crank arm be in transmission connection with the upper location moving contact of corresponding every phase and the second transmission crank arm be in transmission connection with the lower location moving contact of corresponding every phase, main shaft is provided with the handle rotated for driving main shaft.
Framework, guide frame, main shaft and first, second transmission crank arm are machined piece.
First and second transmission crank arm are wholely set and are symmetrically arranged in the both sides of main shaft.
First transmission crank arm is provided with the first pilot hole that radical length extends along the length direction of the first transmission crank arm, second transmission crank arm is provided with the second pilot hole that radical length extends along the length direction of the second transmission crank arm, upper location moving contact is connected with the first transmission crank arm with the first bearing pin of the lower end of upper location moving contact by wearing the first pilot hole, lower location moving contact is connected with the second transmission crank arm with the second bearing pin of the upper end of lower location moving contact by wearing the second pilot hole, first bearing pin coordinates with the first pilot hole guiding movement, second bearing pin coordinates with the second pilot hole guiding movement.
The top of described framework is installed with base, and the top of described base is installed with the first supporting bracket for supports main shaft, and the first supporting bracket is provided with the first supporting bracket pilot hole worn in left-right direction for main shaft, and main shaft and the first supporting bracket are rotatably assorted.
Described base is fixed with the second supporting bracket be arranged in parallel with the first supporting bracket, described guide frame comprises fairlead and lower fairlead, upper fairlead is fixed on the upper end of the second supporting bracket, upper location moving contact and upper fairlead along the vertical direction guiding movement coordinate, lower fairlead is fixed on base, and lower location moving contact and lower fairlead along the vertical direction guiding movement coordinate.
The technical scheme of fixed contact localization method of the present invention: a kind of fixed contact localization method, is characterized in that: comprise the following steps: the first step, be pre-installed on switch cabinet body by upper static contact and lower fixed contact respectively by bolt, bolt is not fastening, second step, framework is pushed switch cabinet body in left-right direction along the guide rail that switch cabinet body is arranged, until block location division on framework and the dolly Stop structure block location fit being arranged at guide rail end of travel, drive that to be located on framework upper, lower location moving contact guiding movement along the vertical direction, the upper auxiliary section of upper location moving contact matches with upper static contact drive upper static contact to move in the horizontal direction and realize the location of upper static contact, the lower auxiliary section of lower location moving contact matches to drive lower fixed contact to move in the horizontal direction with lower fixed contact and realizes the location of lower fixed contact, subsequently, upper static contact and lower fixed contact are fixed with bolt respectively.
Usefulness of the present invention: under the effect of driving mechanism, upper and lower location moving contact guiding movement along the vertical direction, upper and lower location moving contact match with upper and lower fixed contact respectively merge drive upper and lower fixed contact in the horizontal direction movement realize the adjustment of position in upper and lower fixed contact horizontal direction, thus realize the location of upper and lower fixed contact, and then ensure that upper and lower fixed contact is reliable with coordinating of the upper and lower moving contact on handcart in real work, it is firm to contact.In addition, by the upper and lower fixed contact of first pre-installation, then in the horizontal direction position adjusted to upper and lower fixed contact and realize location, more upper and lower fixed contact being fixed on switch cabinet after the positioning.This fixed contact localization method makes upper and lower fixed contact accurate positioning, can ensure that upper and lower fixed contact is reliable with coordinating of the upper and lower moving contact on handcart in real work well.
Further, rotated by turning handle driving main shaft, main shaft rotarily drive the first transmission crank arm and the motion of the second transmission crank arm, the first transmission crank arm and the motion of the second transmission crank arm drive upper location moving contact and the motion of lower location moving contact respectively.
Further, because framework, guide frame, main shaft and first, second transmission crank arm are machined piece, so the precision of withdraw-type switch cabinet fixed contact positioner is very high, location and the installation accuracy of upper and lower fixed contact in actual installation process can be ensured.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of withdraw-type switch cabinet fixed contact positioner in the embodiment of withdraw-type switch cabinet fixed contact positioner;
Fig. 2 is the structural representation of withdraw-type switch cabinet fixed contact positioner in the embodiment of withdraw-type switch cabinet fixed contact positioner;
Fig. 3 is the schematic diagram of withdraw-type switch cabinet fixed contact positioner when using state.
In figure: 1, switch cabinet body; 2, framework; 3, upper location moving contact; 4, lower location moving contact; 5, upper fairlead; 6, lower fairlead; 7, upper static contact; 8, lower fixed contact; 9, connecting lever; 10, main shaft; 11, handle; 12, the first bearing pin; 13, the second bearing pin; 14, the first pilot hole; 15, the second pilot hole; 16, base; 17, the first supporting bracket; 18, the second supporting bracket; 19, the first transmission crank arm; 20, the second transmission crank arm.
Embodiment
In the present invention withdraw-type switch cabinet with the embodiment of fixed contact positioner as Figure 1-3.Withdraw-type switch cabinet comprises the guide rail that switch cabinet body 1, the upper static contact 7 arranged up and down in switch cabinet body 1 and lower fixed contact 8 and length extend in left-right direction, and upper and lower fixed contact comprises three-phase, and three-phase is arranged in juxtaposition in left-right direction.Withdraw-type switch cabinet fixed contact positioner comprises the framework 2 that can push along the guide rail that switch cabinet body 1 is arranged and release switch cabinet body 1 in left-right direction, framework 2 be provided with for the block location division of dolly Stop structure block location fit being arranged at guide rail end of travel, framework 2 is provided with on the three-phase that is arranged in juxtaposition in left-right direction, lower location moving contact and for drive, lower location moving contact is by the driving mechanism of guide frame guiding movement along the vertical direction, guide frame comprises fairlead 5 and lower fairlead 6, upper location moving contact 3 is provided with for coordinating to drive upper static contact 7 to move in the horizontal direction with upper static contact 7 pushing tow be pre-installed on switch cabinet body 1 thus realizing the upper auxiliary section that upper static contact 7 locates, lower location moving contact 4 is provided with for coordinating with lower fixed contact 8 pushing tow be pre-installed on switch cabinet body 1 to drive lower fixed contact 8 to move in the horizontal direction thus realizing the lower auxiliary section that fixed contact 8 is located.
Driving mechanism comprises the main shaft 10 that axis extends in left-right direction, main shaft 10 is installed with the first transmission crank arm 19 be in transmission connection with the upper location moving contact 3 of corresponding every phase and the second transmission crank arm 20 be in transmission connection with the lower location moving contact 4 of corresponding every phase, main shaft 10 is provided with the handle 11 rotated for driving main shaft 10.First and second transmission crank arm are wholely set and are symmetrically arranged in the both sides of main shaft 10.First transmission crank arm 19 is provided with the first pilot hole 14 that radical length extends along the length direction of the first transmission crank arm, second transmission crank arm 20 is provided with the second pilot hole 15 that radical length extends along the length direction of the second transmission crank arm, upper location moving contact 3 is connected with the first transmission crank arm 19 with the first bearing pin 12 of the lower end of upper location moving contact 3 by wearing the first pilot hole 14, lower location moving contact 4 is connected with the second transmission crank arm 20 with the second bearing pin 13 of the upper end of lower location moving contact 4 by wearing the second pilot hole 15, first bearing pin 13 coordinates with the first pilot hole 14 guiding movement, second bearing pin 13 coordinates with the second pilot hole 15 guiding movement.The top of framework 2 is installed with base 16, the top of base 16 is installed with the first supporting bracket 17 for supports main shaft 10, first supporting bracket 17 is provided with the first supporting bracket pilot hole worn in left-right direction for main shaft 10, and main shaft 10 and the first supporting bracket 17 are rotatably assorted.Base 16 is fixed with the second supporting bracket 18 be arranged in parallel with the first supporting bracket 17, upper fairlead 5 is fixed on the upper end of the second supporting bracket 18, upper location moving contact 3 and upper fairlead 5 along the vertical direction guiding movement coordinate, lower fairlead 6 is fixed on base 16, and lower location moving contact 3 and lower fairlead 6 along the vertical direction guiding movement coordinate.Framework 2, guide frame, main shaft 10 and first, second transmission crank arm are machined piece, machining accuracy and assembly precision high.
In the process of installing upper and lower fixed contact, what be pre-installed on by upper and lower for three-phase fixed contact bolt on switch cabinet body 1 first respectively is upper, only to play simple connection function not fastening for bolt in this process, and upper and lower fixed contact still can carry out horizontal movement relative to the installing hole on switch cabinet body 1 at this moment; Then, along guide rail, withdraw-type switch cabinet fixed contact positioner is pushed in switch cabinet body 1, locate timing when the block location division on framework 2 with the dolly Stop structure block being arranged at guide rail end of travel to close, withdraw-type switch cabinet fixed contact positioner is locked; Then, rotary handle 11, make upper and lower location moving contact simulation making process, because upper and lower fixed contact is not fixed, upper location moving contact 3 coordinates with upper static contact 7 and drives to move in the horizontal direction thus realize upper static contact 7 locates, lower location moving contact 4 coordinates with lower fixed contact 8 and drives down fixed contact 8 to move in the horizontal direction thus realize lower fixed contact 8 locates, and is undertaken fastening subsequently by the bolt be connected with upper and lower fixed contact; Finally, rotary handle 11, makes upper and lower location moving contact carry out sub-switching operation, then withdraw-type switch cabinet fixed contact positioner is released switch cabinet body 1 along guide rail, so far completes the installation process of upper and lower fixed contact.
In the present invention, withdraw-type switch cabinet is with in other embodiments of fixed contact positioner, and driving mechanism is the two sleeve gear rackworks driving the movement along the vertical direction of location moving contact 3 and lower location moving contact 4 respectively.
In the present invention fixed contact localization method embodiment in, fixed contact localization method comprises the following steps: the first step, and be pre-installed on switch cabinet body 1 by upper static contact 7 and lower fixed contact 8 respectively by bolt, bolt is not fastening, second step, framework 2 is pushed switch cabinet body 1 in left-right direction along the guide rail that switch cabinet body 1 is arranged, until block location division on framework 2 and the dolly Stop structure block location fit being arranged at guide rail end of travel, drive that to be located on framework 2 upper, lower location moving contact guiding movement along the vertical direction, the upper auxiliary section of upper location moving contact 3 matches with upper static contact 7 drive upper static contact 7 to move in the horizontal direction and realize the location of upper static contact 7, the lower auxiliary section of lower location moving contact 4 matches with lower fixed contact 8 drive lower fixed contact 8 to move in the horizontal direction and realize the location of lower fixed contact 8, subsequently, upper static contact 7 and lower fixed contact 8 are fixed with bolt respectively.
Claims (8)
1. a withdraw-type switch cabinet fixed contact positioner, it is characterized in that: comprise and can push in left-right direction along the guide rail that switch cabinet body is arranged and release the framework of switch cabinet body, framework be provided with for the block location division of dolly Stop structure block location fit being arranged at guide rail end of travel, framework is provided with on the three-phase that is arranged in juxtaposition in left-right direction, lower location moving contact and for drive, lower location moving contact is by the driving mechanism of guide frame guiding movement along the vertical direction, upper location moving contact is provided with for coordinating with the upper static contact pushing tow be pre-installed on switch cabinet body to drive described upper static contact to move in the horizontal direction thus realizing the upper auxiliary section that upper static contact locates, lower location moving contact is provided with for coordinating with the lower fixed contact pushing tow be pre-installed on switch cabinet body to drive described lower fixed contact to move in the horizontal direction thus realizing the lower auxiliary section that fixed contact is located.
2. withdraw-type switch cabinet fixed contact positioner according to claim 1, it is characterized in that: driving mechanism comprises the main shaft that axis extends in left-right direction, main shaft is installed with the first transmission crank arm be in transmission connection with the upper location moving contact of corresponding every phase and the second transmission crank arm be in transmission connection with the lower location moving contact of corresponding every phase, main shaft is provided with the handle rotated for driving main shaft.
3. withdraw-type switch cabinet fixed contact positioner according to claim 2, is characterized in that: framework, guide frame, main shaft and first, second transmission crank arm are machined piece.
4. withdraw-type switch cabinet fixed contact positioner according to claim 2, is characterized in that: the first and second transmission crank arm are wholely set and are symmetrically arranged in the both sides of main shaft.
5. withdraw-type switch cabinet fixed contact positioner according to claim 2, it is characterized in that: the first transmission crank arm is provided with the first pilot hole that radical length extends along the length direction of the first transmission crank arm, second transmission crank arm is provided with the second pilot hole that radical length extends along the length direction of the second transmission crank arm, upper location moving contact is connected with the first transmission crank arm with the first bearing pin of the lower end of upper location moving contact by wearing the first pilot hole, lower location moving contact is connected with the second transmission crank arm with the second bearing pin of the upper end of lower location moving contact by wearing the second pilot hole, first bearing pin coordinates with the first pilot hole guiding movement, second bearing pin coordinates with the second pilot hole guiding movement.
6. withdraw-type switch cabinet fixed contact positioner according to claim 2, it is characterized in that: the top of described framework is installed with base, the top of described base is installed with the first supporting bracket for supports main shaft, first supporting bracket is provided with the first supporting bracket pilot hole worn in left-right direction for main shaft, and main shaft and the first supporting bracket are rotatably assorted.
7. withdraw-type switch cabinet fixed contact positioner according to claim 6, it is characterized in that: described base is fixed with the second supporting bracket be arranged in parallel with the first supporting bracket, described guide frame comprises fairlead and lower fairlead, upper fairlead is fixed on the upper end of the second supporting bracket, upper location moving contact and upper fairlead along the vertical direction guiding movement coordinate, lower fairlead is fixed on base, and lower location moving contact and lower fairlead along the vertical direction guiding movement coordinate.
8. a fixed contact localization method, is characterized in that: comprise the following steps: the first step, and be pre-installed on switch cabinet body by upper static contact and lower fixed contact respectively by bolt, bolt is not fastening, second step, framework is pushed switch cabinet body in left-right direction along the guide rail that switch cabinet body is arranged, until block location division on framework and the dolly Stop structure block location fit being arranged at guide rail end of travel, drive that to be located on framework upper, lower location moving contact guiding movement along the vertical direction, the upper auxiliary section of upper location moving contact matches with upper static contact drive upper static contact to move in the horizontal direction and realize the location of upper static contact, the lower auxiliary section of lower location moving contact matches to drive lower fixed contact to move in the horizontal direction with lower fixed contact and realizes the location of lower fixed contact, subsequently, upper static contact and lower fixed contact are fixed with bolt respectively.
Priority Applications (1)
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CN201510840881.2A CN105449567B (en) | 2015-11-27 | 2015-11-27 | A kind of withdraw-type switch cabinet static contact positioner and stationary contact heads positioning method |
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CN201510840881.2A CN105449567B (en) | 2015-11-27 | 2015-11-27 | A kind of withdraw-type switch cabinet static contact positioner and stationary contact heads positioning method |
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CN105449567A true CN105449567A (en) | 2016-03-30 |
CN105449567B CN105449567B (en) | 2017-11-14 |
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CN201510840881.2A Active CN105449567B (en) | 2015-11-27 | 2015-11-27 | A kind of withdraw-type switch cabinet static contact positioner and stationary contact heads positioning method |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105958361A (en) * | 2016-06-07 | 2016-09-21 | 芜湖丝路电气科技有限公司 | AC high-voltage armored drawer type intelligent vacuum switch cabinet |
CN105977087A (en) * | 2016-06-15 | 2016-09-28 | 上海天灵开关厂有限公司 | Static contact positioning tool for dual-movable-contact switch, and applicative switch cabinet applying tool |
CN111048338A (en) * | 2019-12-11 | 2020-04-21 | 上海平高天灵开关有限公司 | Centering installation calibration device for three-station isolation grounding switch of ring main unit |
CN114544408A (en) * | 2022-02-08 | 2022-05-27 | 平高集团有限公司 | Contact wear resistance test fixture |
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CN203553700U (en) * | 2013-09-30 | 2014-04-16 | 中发电气股份有限公司 | Positioning and cooperating structure of high voltage switchgear body and handcart |
CN104400732A (en) * | 2014-10-15 | 2015-03-11 | 平高集团有限公司 | Multifunctional tool for assembling and detecting fixed contact |
CN204424775U (en) * | 2015-02-14 | 2015-06-24 | 云南电网公司昆明供电局 | High-voltage switch gear cabinet static contact location insulation barrier |
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DE4315491A1 (en) * | 1993-05-10 | 1994-11-17 | Licentia Gmbh | Contact arrangement for insertable circuit breakers in switchgear |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105958361A (en) * | 2016-06-07 | 2016-09-21 | 芜湖丝路电气科技有限公司 | AC high-voltage armored drawer type intelligent vacuum switch cabinet |
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CN105977087A (en) * | 2016-06-15 | 2016-09-28 | 上海天灵开关厂有限公司 | Static contact positioning tool for dual-movable-contact switch, and applicative switch cabinet applying tool |
CN105977087B (en) * | 2016-06-15 | 2018-04-03 | 上海天灵开关厂有限公司 | The switch cubicle that the static contact positioning tool of double motion head switch and the frock are applicable |
CN111048338A (en) * | 2019-12-11 | 2020-04-21 | 上海平高天灵开关有限公司 | Centering installation calibration device for three-station isolation grounding switch of ring main unit |
CN111048338B (en) * | 2019-12-11 | 2022-03-22 | 上海平高天灵开关有限公司 | Centering installation calibration device for three-station isolation grounding switch of ring main unit |
CN114544408A (en) * | 2022-02-08 | 2022-05-27 | 平高集团有限公司 | Contact wear resistance test fixture |
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