CN104577845A - Device and method for separating circuit breaker from trolley and combining circuit breaker with trolley - Google Patents
Device and method for separating circuit breaker from trolley and combining circuit breaker with trolley Download PDFInfo
- Publication number
- CN104577845A CN104577845A CN201310470308.8A CN201310470308A CN104577845A CN 104577845 A CN104577845 A CN 104577845A CN 201310470308 A CN201310470308 A CN 201310470308A CN 104577845 A CN104577845 A CN 104577845A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- drive block
- screw mandrel
- dolly
- handle
- 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
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The invention relates to a device for automatically separating a circuit breaker from a trolley and combining the circuit breaker with the trolley. The device comprises a lead screw, a lead screw fixing bracket, a driving block and a guide device, wherein the lead screw fixing bracket is fixedly installed relative to a trolley main body for supporting the lead screw; the lead screw has a first end part and a handle insertion hole is formed in the first end part; the driving block sleeves the lead screw and is internally provided with a thread which is used for being joined with the lead screw; a driving bump for penetrating through an elongated slot which is formed in the top of the trolley and being joined in an opening in the bottom of the circuit breaker for combining the circuit breaker with the trolley is arranged on the driving block so as to drive the circuit breaker to move between a test position and a work position; the guide device is used for enabling the driving block to move between a combining position and a separating position when being connected with the driving block, the combining position corresponds to the position of the driving block when the circuit breaker is combined with the trolley, and the separating position corresponds to the position of the driving block when the circuit breaker is separated from the trolley. The invention further relates to a method for operating the device.
Description
Technical field
The present invention relates to a kind of separation-coupling apparatus, especially for the device making circuit breaker and dolly automatically be separated and combine, the invention still further relates to the method using this device.
Background technology
In prior art, circuit breaker carrying dolly is generally mounted on-board the circuit breaker as the annex of circuit breaker, and now, be bolted to connection between circuit breaker and dolly, in this case, circuit breaker not easily separates with dolly; Or the mode adopting rotating disk and worm screw to match between circuit breaker with dolly carries out connecting and being separated, and in this case, the strength operating this device is decomposed, thus operating efficiency is lower.
Summary of the invention
The invention provides a kind of device for making circuit breaker and dolly automatically be separated and combine, comprising: screw mandrel; Screw mandrel fixed support, relative to trolley body fixed installation, for supporting this screw mandrel, screw mandrel has first end, and this first end place is provided with handle patchhole; Drive block, be sheathed on screw mandrel, its inside is provided with the screw thread for engaging with screw mandrel, this drive block is provided with driving projection, the elongated slot being bonded in the opening be arranged on bottom circuit breaker that this driving projection is used for through being arranged on car top is combined with dolly to realize circuit breaker, and driving circuit breaker moves between test position and service position; Guider, move between binding site and separation point position for making drive block when being connected with drive block, wherein, the binding site of drive block correspond to when this circuit breaker and this dolly in conjunction with time drive block at position, the separation point position of drive block is corresponding to the position when circuit breaker is separated with dolly at drive block.
Preferably, this guider comprises: fixed head, installs regularly relative to this trolley body, between this drive block and the handle patchhole of this screw mandrel, is provided with stage portion at fixed head on the first side of this handle patchhole; Guideway, be sheathed on this screw mandrel, and pass this fixed head and cooperatively interact with this stage portion on the first side of this fixed head, this guideway has external tooth in the end near this handle patchhole, realize departing from or engaging in test position with guideway for screw mandrel, end away from this handle patchhole is provided with guiding connecting portion, and this guiding connecting portion is used for being connected to this drive block and this drive block is fixed rotatably relative to this guide finger; Screw mandrel tooth, is fixed on this screw mandrel, can engage with this external tooth of this guideway; Elastic component, be set on this guideway, its one end is fixed to fixed head, and the other end is fixed to guideway.
Preferably, this drive block is provided with locator protrusions, for circuit breaker being positioned at test position when circuit breaker and dolly are installed.
Preferably, this fixed head is arranged on this screw mandrel fixed support.
Preferably, this elastic component is torsion spring.
Preferably, this screw mandrel tooth is gear, helical teeth or spline.
Preferably, this guiding connecting portion is guide finger.
Preferably, the angle between this binding site and this separation point position is 90 degree.
The invention still further relates to a kind of method operating the above-mentioned device for making circuit breaker and dolly automatically be separated and to combine, comprise: when making circuit breaker be separated with dolly, handle is inserted described handle to insert in the hole, turning handle makes described screw mandrel rotate along the first direction of rotation, makes described drive block be connected to described guider; Be rotated further handle, make described guider that described drive block is turned to separation point position from binding site, thus circuit breaker be separated with dolly; Be combined with dolly when making circuit breaker, handle is inserted described handle to insert in the hole, turning handle makes described screw mandrel rotate along the direction contrary with this first direction of rotation, make described guider that described drive block is turned to binding site from separation point position, thus circuit breaker is combined with dolly.
According to device for making circuit breaker and dolly automatically be separated and to combine of the present invention and method of operation thereof, make when swinging handle makes circuit breaker fall back on test position, circuit breaker is separated automatically with dolly, and both are easy to combine under inverse operation.Circuit breaker makes dolly drive more steadily with being separated of dolly, and the weight of circuit breaker is lighter, can be pulled out from switch cubicle by circuit breaker more easily or circuit breaker be loaded switch cubicle, is therefore easier to the mechanical property parameter measuring circuit breaker.
Accompanying drawing explanation
By accompanying drawing below, those skilled in the art will have better understanding to the present invention, and more can clearly embody advantage of the present invention.Accompanying drawing described herein is only in order to illustrate the object of embodiment, instead of all possible execution mode, and is intended to not limit the scope of the invention.
Fig. 1 is the schematic diagram after circuit breaker is combined with dolly, and wherein circuit breaker is in test position;
Fig. 2 is the schematic diagram of separator when being in released state, and wherein circuit breaker is in test position;
Fig. 3 is the schematic diagram of separator when being in bonding state, and wherein circuit breaker is in test position;
Fig. 4 A and 4B is the close-up schematic view of Fig. 3 centre circle C part.
Embodiment
Below with reference to accompanying drawing to being described in detail according to a preferred embodiment of the invention.By accompanying drawing and corresponding explanatory note, it will be understood to those of skill in the art that the characteristics and advantages of this aspect.
Fig. 1 is the schematic diagram after circuit breaker 3 is combined with circuit breaker trolley 1.Circuit breaker 3 can move between test position (Fig. 1) and service position.As shown in Figure 1, circuit breaker 3 can comprise floor 31, and this floor 31 can be provided with perforate 32.The bottom of circuit breaker 3 can be provided with opening (not shown), and this opening can be used for holding the driving projection (as shown in Figure 3, will be discussed in more detail below) driven on the drive block that moves between test position and service position of circuit breaker.Dolly can be fixedly mounted on switch cubicle (not shown), and is installed together with circuit breaker 3 below circuit breaker 3.Dolly can comprise trolley body 10, this trolley body 10 comprises lever operated hole 11 on its anterior face, car top can be provided with elongated slot (not shown), this elongated slot extends along the direction (hereinafter referred to as first direction P1) from test position to service position of circuit breaker 3, its this elongated slot is corresponding at the described opening bottom the position and circuit breaker of the direction P2 vertical with direction P1, and the driving projection on the drive block moved between test position and service position to make driving circuit breaker can be stretched out from this elongated slot.
Now refer to Fig. 2, the device 2 being automatically separated with dolly 1 for making circuit breaker 3 and combining is arranged in trolley body 10, and this device can comprise drive block 21, screw mandrel 22, for fixing and carrying the screw mandrel fixed support 23 of screw mandrel 22, guider 24.Guider 24 can be used for ordering about drive block and rotates between separation point position and binding site, as detailed below.
Screw mandrel fixed support 23 can be fixedly mounted in trolley body 10, for carrying screw mandrel 22.
Drive block 21 can be sheathed on screw mandrel 22, and it has the screw thread with the engagement threads on screw mandrel 22.Drive block 21 can be provided with and drive projection 211, this driving projection 211 can be bonded in the corresponding opening bottom circuit breaker through the elongated slot being arranged at car top.Drive block 21 can rotate between binding site and separation point position, wherein this binding site corresponds to the driving projection 211 of drive block 21 position through the elongated slot being arranged at dolly 1 top and when being bonded on the opening bottom circuit breaker 3, such as, refer to Fig. 3, now the driving projection 211 of drive block 21 is in vertical position.The width of this elongated slot is substantially equal to the width of this driving projection 211, thus can prevent drive block 21 from rotating relative to trolley body 10 and circuit breaker 3 in the process of screw mandrel rotation, allows drive block 21 to do translational motion along the axial direction of screw mandrel 22.The position that the driving projection 211 that the separation point position of drive block 21 corresponds to drive block 21 makes circuit breaker 3 can disassemble from dolly when not engaging with the elongated slot being arranged at dolly 1 top and therefore do not engage with the opening bottom circuit breaker 3, such as, refer to Fig. 2, now the driving projection 211 of drive block 21 falls down to be horizontal.
Drive block 21 also can be provided with locator protrusions 212, and this locator protrusions 212 is for being positioned at dolly when circuit breaker 3 is installed with dolly 1 by circuit breaker 3.This locator protrusions 212 highly can be less than driving projection 211, and be biased along first direction P1 with driving projection 212, to make when drive block 21 to this locator protrusions 212 during binding site from separation point position rotation can not stretch out from the elongated slot of car top thus join to the opening bottom circuit breaker 3.
Separation-coupling apparatus can also comprise handle patchhole 27, is arranged on screw mandrel 22 in the one end in the anterior face of dolly 1.The position of handle patchhole 27 corresponds to the position of trolley body 10 upper handle handle hole 11, to make can be entered handle patchhole 27 when handle inserts from lever operated hole 11.
Guider 24 can comprise, such as, and fixed head 241, guideway 242, elastic component, such as torsion spring 243.Fixed head 241 can be installed regularly relative to screw mandrel fixed support 23, is positioned at the side contrary with handle patchhole 27 of screw mandrel fixed support 23.Guideway 242 can be sheathed on screw mandrel, and through fixed head 241, between drive block 21 and screw mandrel fixed support 23.One end away from handle patchhole 27 of guideway 242 is provided with guide finger 244, and this guide finger 244 is given prominence to towards the direction away from handle patchhole 27.Guide finger 244 can be connected with the corresponding guide finger connecting portion (being marked as 213 in Fig. 4 A) be arranged in drive block 21, this guide finger connecting portion is such as hole, rotate together with drive block for guideway 242, such as 90-degree rotation, thus order about drive block 21 and rotate between separation point position and binding site.
Can be provided with tooth 221 at screw mandrel 22 near one end place of handle patchhole 27, described tooth 221 can be fixed relative to screw mandrel 22, and follows screw mandrel 22 and rotate together.Meanwhile, at guideway 242, one end of handle patchhole 27 is provided with external tooth 2421, for engaging with the tooth 221 of screw mandrel 22.When after both engagements, when turning handle makes screw mandrel 22 rotate, guideway 242 can with screw mandrel 22 relative to rotating regularly, thus make drive block 21 rotate with both.Alternatively, the tooth 221 of screw mandrel 22 can be gear structure, helical teeth or spline structure.
See Fig. 4 A and 4B, they are enlarged diagrams of Fig. 3 centre circle C part, and drive block 22 is in binding site.Fixed head 241 also can be provided with stage portion 2411, be arranged at this fixed head 241 and face on the side of handle patchhole 11.One end with external tooth 2421 of guideway 242 is positioned at the same side with stage portion 2411, and cooperatively interacts with stage portion 2411 and to engage completely with the external tooth 2421 on guideway 242 for the tooth 221 of auxiliary screw mandrel 22.
Torsion spring 243 can be sheathed on guideway 242, its one end connects against fixed head 241, the other end connects against on the circumference protuberance be arranged on guideway, for when drive block 21 turns to separation point position from binding site, because the external tooth 2421 of guideway 242 is separated with the tooth 221 of screw mandrel 22 by the effect of torsion spring 243.It will be understood by those skilled in the art that guider 24 can have other form, rotate between separation point position and binding site as long as realize ordering about drive block 21.
Below by describe in detail be used for making circuit breaker 3 and dolly 1 be automatically separated with combine be separated-the working method of coupling apparatus 2.
As illustrated in figures 4 a and 4b, when circuit breaker 3 is in service position and wishes circuit breaker 3 to be automatically separated with dolly 1, handle is inserted the lever operated hole 11 be arranged on the anterior face of trolley body 10, thus insert in the handle patchhole 27 of separation-coupling apparatus, and be counterclockwise in this example along the first direction of rotation R1() turning handle.Now, the driving projection 211 of drive block 21 passes the elongated slot (not shown) of car top, and the rotation of handle is ordered about screw mandrel 22 and is rotated, and makes the drive block 21 be sheathed on screw mandrel 22 drive circuit breaker 3 towards reverse (namely towards test position) translation of first direction.When drive block 21 is near test position, drive block 21 can contact with guideway 242 and be connected guideway 242 by guide finger 244.Along with further rotating of screw mandrel 22, drive block 21 continues to move towards test position, thus towards the reverse pressure guideway 242 of first direction, the external tooth 2421 making guideway 242 engages with the tooth 221 being fixed on screw mandrel 22.After both engagements, drive block 21 moves along the first direction of rotation R1 together with tooth 221 with guideway 242.Now, the stage portion 2411 on fixed head 241 can make the external tooth 2421 of guideway 242 engage completely with tooth 221.Afterwards, turning handle, makes drive block 21 rotate 90 degree along the first direction of rotation R1, and driving projection 211 can depart from elongated slot and drive block 21 arrives separation point position, thus circuit breaker 3 is separated with dolly 1.
When circuit breaker 3 be in test position and wish by circuit breaker 3 and dolly 1 automatically in conjunction with time, now drive block 21 is in separation point position as shown in Figure 2, turning handle, makes drive block 21 along direction (such as, the clockwise direction) 90-degree rotation contrary with the first direction of rotation R1 to binding site.Now, the driving projection 211 on drive block 21 is engaged in elongated slot, and due to the effect of torsion spring 25, and tooth 221 departs from the external tooth 2421 on guideway 242 and engages thus separate.Be rotated further handle, owing to driving projection 211 to be engaged in elongated slot, make the drive block 21 separately do translational motion along first direction P1 towards test position along the axis of screw mandrel 22 and not rotate.The foregoing describe the device making circuit breaker and dolly automatically be separated and combine.
Although carried out detailed description to execution better model of the present invention, those skilled in the art can learn that being used in the scope of appended claim implements many replacement design and implementation examples of the present invention.
Claims (9)
1. the device for making circuit breaker and dolly automatically be separated and combine, comprising:
Screw mandrel;
Screw mandrel fixed support, relative to trolley body fixed installation, for supporting this screw mandrel, screw mandrel has first end, and this first end place is provided with handle patchhole;
Drive block, be sheathed on screw mandrel, its inside is provided with the screw thread for engaging with screw mandrel, this drive block is provided with driving projection, the elongated slot being bonded in the opening be arranged on bottom circuit breaker that this driving projection is used for through being arranged on car top is combined with dolly to realize circuit breaker, and driving circuit breaker moves between test position and service position;
Guider, move between binding site and separation point position for making drive block when being connected with drive block, wherein, the binding site of drive block correspond to when this circuit breaker and this dolly in conjunction with time drive block at position, the separation point position of drive block is corresponding to the position when circuit breaker is separated with dolly at drive block.
2. device as claimed in claim 1, wherein, this guider comprises:
Fixed head, installs regularly relative to this trolley body, between this drive block and the handle patchhole of this screw mandrel, is provided with stage portion at fixed head on the first side of this handle patchhole;
Guideway, be sheathed on this screw mandrel, and pass this fixed head and cooperatively interact with this stage portion on the first side of this fixed head, this guideway has external tooth in the end near this handle patchhole, realize departing from or engaging in test position with guideway for screw mandrel, end away from this handle patchhole is provided with guiding connecting portion, and this guiding connecting portion is used for being connected to this drive block and this drive block is fixed rotatably relative to this guide finger;
Screw mandrel tooth, is fixed on this screw mandrel, can engage with this external tooth of this guideway;
Elastic component, be set on this guideway, its one end is fixed to fixed head, and the other end is fixed to guideway.
3. device as claimed in claim 1 or 2, wherein, this drive block is provided with locator protrusions, for circuit breaker being positioned at test position when circuit breaker and dolly are installed.
4. device as claimed in claim 2, wherein, this fixed head is arranged on this screw mandrel fixed support.
5. device as claimed in claim 2, wherein, this elastic component is torsion spring.
6. device as claimed in claim 2, wherein, this screw mandrel tooth is gear, helical teeth or spline.
7. device as claimed in claim 2, wherein, this guiding connecting portion is guide finger.
8. device as claimed in claim 1, wherein, the angle between this binding site and this separation point position is 90 degree.
9. making the method that circuit breaker and dolly are automatically separated and combine, for operating the device according to any one of claim 1-7, comprising:
When making circuit breaker be separated with dolly, handle is inserted described handle and insert in the hole, turning handle makes described screw mandrel rotate along the first direction of rotation, makes described drive block be connected to described guider; Be rotated further handle, make described guider that described drive block is turned to separation point position from binding site, thus circuit breaker be separated with dolly;
Be combined with dolly when making circuit breaker, handle is inserted described handle to insert in the hole, turning handle makes described screw mandrel rotate along the direction contrary with this first direction of rotation, make described guider that described drive block is turned to binding site from separation point position, thus circuit breaker is combined with dolly.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310470308.8A CN104577845B (en) | 2013-10-10 | 2013-10-10 | Device and method for separating circuit breaker from trolley and combining circuit breaker with trolley |
| PCT/EP2014/071805 WO2015052328A1 (en) | 2013-10-10 | 2014-10-10 | A withdrawable circuit breaker arrangement |
| US15/027,835 US9948074B2 (en) | 2013-10-10 | 2014-10-10 | Circuit breaker arrangement |
| EP14784045.8A EP3055909A1 (en) | 2013-10-10 | 2014-10-10 | A withdrawable circuit breaker arrangement |
| KR1020167009440A KR101809389B1 (en) | 2013-10-10 | 2014-10-10 | A circuit breaker arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310470308.8A CN104577845B (en) | 2013-10-10 | 2013-10-10 | Device and method for separating circuit breaker from trolley and combining circuit breaker with trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104577845A true CN104577845A (en) | 2015-04-29 |
| CN104577845B CN104577845B (en) | 2017-05-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310470308.8A Active CN104577845B (en) | 2013-10-10 | 2013-10-10 | Device and method for separating circuit breaker from trolley and combining circuit breaker with trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104577845B (en) |
Cited By (3)
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| CN106207828A (en) * | 2016-08-31 | 2016-12-07 | 镇江大全赛雪龙牵引电气有限公司 | A kind of DC traction switchgear handcart lead-screw driving device |
| CN112134400A (en) * | 2020-08-27 | 2020-12-25 | 浙江光悦电机有限公司 | Electric motor |
| CN113284749A (en) * | 2021-05-19 | 2021-08-20 | 广东电网有限责任公司 | Device for replacing brake separating buffer |
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| JP2013150375A (en) * | 2012-01-17 | 2013-08-01 | Fuji Electric Fa Components & Systems Co Ltd | Insertion/ejection operation/lock mechanism of drawer-type circuit breaker |
| CN203553701U (en) * | 2013-10-10 | 2014-04-16 | 施耐德电器工业公司 | Device for separating and combining breaker and trolley |
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| US6777627B1 (en) * | 2003-10-16 | 2004-08-17 | Remote Solutions, LLC | Remote control and racking device for medium-voltage circuit breakers |
| US6951990B1 (en) * | 2004-11-29 | 2005-10-04 | General Electric Company | Apparatus for racking circuit breakers into and out of switchgear |
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| CN106207828A (en) * | 2016-08-31 | 2016-12-07 | 镇江大全赛雪龙牵引电气有限公司 | A kind of DC traction switchgear handcart lead-screw driving device |
| CN112134400A (en) * | 2020-08-27 | 2020-12-25 | 浙江光悦电机有限公司 | Electric motor |
| CN113284749A (en) * | 2021-05-19 | 2021-08-20 | 广东电网有限责任公司 | Device for replacing brake separating buffer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104577845B (en) | 2017-05-17 |
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