CN205489196U - 10kV cubical switchboard generating line changes to overhaul uses ground connection dolly - Google Patents
10kV cubical switchboard generating line changes to overhaul uses ground connection dolly Download PDFInfo
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- CN205489196U CN205489196U CN201620034404.7U CN201620034404U CN205489196U CN 205489196 U CN205489196 U CN 205489196U CN 201620034404 U CN201620034404 U CN 201620034404U CN 205489196 U CN205489196 U CN 205489196U
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- 238000012423 maintenance Methods 0.000 claims description 10
- 230000002687 intercalation Effects 0.000 claims description 3
- 238000009830 intercalation Methods 0.000 claims description 3
- 238000009432 framing Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 description 13
- 238000012795 verification Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Abstract
The utility model relates to a switching operation of transformer substation in -process carries out the convenience operation tool of ground connection, especially a 10kV cubical switchboard generating line changes to overhaul uses ground connection dolly, and its structural feature lies in, including fixed component, dolly framing component, sliding member and a plurality of ground connection moving contact carried out, providing the lead screw by fixed execution component and promoting, the dolly framing component drives sliding member and carries out the operation, and while sliding member dolly framing component relatively slides, sliding member is two -layer about faling into, and the upper strata is smooth component and corresponds operation generating line side valve, and the lower floor corresponds operation PT side valve for the gliding component. During the operation, can select one of them to carry out the operation in a flexible way, also can carry out the operation by the concurrent selection, realize distance, selectable ground connection operation from this, effectively avoid changing the state of other equipment, overall structure is simple, easily operates, has eliminated the potential safety hazard of operation, has ensured the fail safe nature of operation, and can also provide the visual electric operation of testing.
Description
Technical field
This utility model relates to a kind of convenience operation instrument carrying out ground connection during Substation Switch Changing Operation, and particularly a kind of 10kV switch cabinet bus turns maintenance grounding trolley, and it is applicable to the grid switching operation operation field of all kinds of transformer stations 10kV switch cubicle.
Background technology
In current power generation work, 10kV switch cabinet bus turns inspection operation, and 80% is by pushing grounding trolley in PT cabinet, by grounding trolley lead-out wire and shell () ground connection realizes, other 20% is that the bus ground cutter carried with switch cubicle carries out ground connection operation.Account in terms of security reliability, by grounding trolley carry out ground connection be still main flow, relatively more directly perceived, the safest by the way of.Setting requirement according to state's net allusion quotation, bus PT, bus spark gap need to be connected with bus after circuit breaker cart or disconnecting link handcart are isolated, and after when PT has a power failure being required to rear cabinet door to open, then electrical verification, mount temporarily line ground connection.Such operation also exists following security risk:
1) if device structure is unfamiliar with by operations staff.After opening rear cabinet, carry out electrical verification or ground connection all will exist uncertain security risk.If at this moment using manpower or in free-hand the past, cabinet remove to pull open isolation baffle plate carrying out electrical verification, ground connection is also breakneck, it is unsatisfactory for the safe distance (non-electroscopy equipment should regard charging equipment as) of 10kV >=0.7 meter that " safety " specifies.Yong'an City little Tao transformer station of Fujian Province is with regard to Zeng Yinwei switch cabinet structure special (bus spark gap plays cabinet after being placed in switch cubicle, and is directly connected on bus).This structure is unfamiliar with by operations staff, and finally leads to the serious consequence that personnel get an electric shock.
2) if transformed by improving existing grounding trolley so that it is have upper and lower grounding contact, can be by PT and bus ground connection simultaneously, but such grounding trolley non-selectivity, it is necessary to by upper contact head or the lower contact together ground connection of switch cubicle.When PT or bus are individually done experiment, when needing to remove ground connection, due to the deficiency of its non-selectivity, can change the state of miscellaneous equipment, this is unallowed.
3) rear cabinet door structure is different, and some needs to remove with instrument or specific purpose tool.Cause the prolongation of operations staff's power failure operation time.Have a strong impact on the ageing of whole power failure operation.
Utility model content
The purpose of this utility model be according to provide in place of the deficiencies in the prior art one can flexibly, ground connection selectively, security performance is high, it is ensured that personal security, effective 10kV switch cabinet bus simple to operate turns maintenance grounding trolley.
The purpose of this utility model is realized by following approach:
10kV switch cabinet bus turns maintenance grounding trolley, and its structural feature is, includes fixing execution component, carriage frame component, sliding component and a plurality of ground connection moving contact；The fixing component that performs includes pin, handwheel, screw mandrel and the handle being positioned at lever two ends and feeder head, feeder head is positioned in the conduit that lever both sides end face is opened, lateral surface at lever has opened chute in the position of conduit simultaneously, this chute communicates with conduit, handle one end is connected by this chute and the feeder head being positioned in conduit are fixing, handle horizontally slips in chute, drives feeder head to stretch out or retraction conduit；Screw mandrel one end is provided with handwheel, and the other end is through the hole in lever centre position；Carriage frame component includes parallel front rail, middle cross bar, rear transverse rod and connects the left and right sides plate of above three cross bar, middle cross bar upper surface is distributed a plurality of caulking groove, ground connection moving contact can be plugged in this caulking groove, after screw mandrel passes lever, sequentially pass in the nut being installed on rear transverse rod and middle cross bar centre position；
Sliding component includes sliding component and downslide component, downslide component includes lower slider, glidepath, sliding block, downslide group's latch and pushdown switch, glidepath, sliding block and pushdown switch are a pair, and it is left and right symmetrically arranged in lower slider two ends, wherein glidepath is fixedly installed between front rail and middle cross bar, the lower surface of sliding block has chute, it is installed on glidepath, slide along glidepath, lower slider is erected at above two sliding blocks of left and right, and fixing with two sliding blocks be connected, two pushdown switch are the mechanical arm structure extended forward, lay respectively at lower slider two ends, and fixing with lower slider be connected, downslide group's latch includes complex root latch, this complex root latch one end is fixing with lower slider to be connected, the other end is free end, its bearing of trend is contrary with pushdown switch；
Upper sliding component includes upper saddle, upper slide rail, top shoe, upper sliding group's latch and upper buck switch, upper slide rail, top shoe and upper buck switch are a pair, and it is left and right symmetrically arranged in upper saddle two ends, upper slide rail is fixedly installed on lower slider, the lower surface of top shoe has chute, it is set on slide rail, slide along upper slide rail, upper saddle is erected at above two top shoes of left and right, and fixing with two top shoes be connected, two upper buck switches are the mechanical arm structure extended forward, parallel light distribution is pushed open with aforementioned twice, and it is fixedly connected on the both ends of upper saddle, upper sliding group's latch includes complex root latch, this complex root latch one end is fixing with upper saddle to be connected, the other end is free end, its bearing of trend is contrary with upper buck switch；Upper buck switch distinguishes bus bar side valve and the PT side valve of corresponding PT cabinet with pushdown switch.
Described grounding trolley includes standing part-fixing execution component, relatively fixed part-carriage frame component and movable part-sliding component and grounding contact.Described fixing execution component uses the screw type kind of drive that by feed screw nut, the rotary motion of handwheel is changed into straight line and pushes ahead motion, so can obtain the highest precision and motion smoothly.The operation principle of grounding trolley described in the utility model is: first select bus bar side or PT side according to job requirements, select to promote upper saddle during bus bar side, the most whole sliding component can be pushed out to operating position by relative trolley framing component forward slip, same, when selecting PT side, promoting lower slider, whole downslide component just relative trolley framing component forward slip is pushed out to operating position.Then the fixing component that performs is fixed on cabinet or cabinet door by baffle plate, screw mandrel is driven to rotate now by shake handwheel, carriage frame component drives sliding component to move forward to job position along with the rotation of screw mandrel, if bus bar side operation, upper buck switch is then driven to withstand the open position of bus bar side valve, expose bus bar side static contact, just the ground connection moving contact being installed on dolly can be docked with the grounding device of cabinet, it is achieved dolly ground connection.If PT side, then drive pushdown switch to withstand the open position of bus bar side valve, expose PT side static contact, just the ground connection moving contact being installed on dolly can be docked with the grounding device of cabinet, it is achieved dolly ground connection.Additionally, can also select to open bus bar side and PT side valve simultaneously, upper sliding component and downslide component relative trolley framing component forward slip simultaneously are pushed out to operating position, then under screw mandrel drives, buck switch and pushdown switch are respectively against bus bar side valve and the open position of PT side valve, now bus bar side static contact and PT side static contact expose simultaneously, finally carry out ground connection operation.
This utility model is by arranging opening of sliding component and downslide component corresponding bus bar side valve respectively and PT side valve on grounding trolley, can operate with alternative, can also operate simultaneously, distance, the operation of selectable ground connection are thus achieved, being prevented effectively from the state changing other equipment, overall structure is simple, easily operates, eliminate the potential safety hazard of operation, it is ensured that the security reliability of operation.Additionally, owing to grounding trolley described in the utility model is to carry out subsequent operation by opening valve in operation, therefore it brings a unexpected technique effect: after opening valve, the static contact of bus bar side or PT side all will reveal, the static contact now revealed is clearly visible, and provide enough spaces, general electroscopic device can be directly used to carry out electrical verification operation, without additionally providing electricity check trolley, simplify operating procedure, eliminate other electroscopy equipments, and operation visualization is carried out, safe and reliable.
This utility model can further particularly as follows:
Described sliding component and downslide member parallel, downslide group's latch is perpendicular to lower slider and installs, and the left side being positioned at lower slider is half side, agrees to, upper sliding group's latch is perpendicular to upper saddle and installs, and the right side being positioned at upper saddle is half side；Being provided with on middle cross bar corresponding to upper sliding group's latch and the through hole of downslide group's latch free end, the free end of upper sliding group's latch and downslide group's latch is inserted in this through hole, and sliding in through-holes.
On this basis, described middle cross bar is divided into the left and right sides, upper surface, left side is less than upper surface, right side, the two is distributed in step, three caulking grooves it are respectively arranged with on the upper surface of the middle cross bar left and right sides, respectively corresponding three-phase ground, be positioned on middle cross bar through hole with upper sliding group's latch grafting with the three of right side caulking groove is vertical passes through mutually, then vertical with three, left side caulking groove with the through hole of downslide group's latch grafting pass through mutually；The lower end of ground connection moving contact is that the caulking groove in crisscross configuration, with middle cross bar matches, and after ground connection moving contact intercalation enters caulking groove, the transverse part of its crisscross configuration is positioned at below intersection.
After ground connection moving contact inserts caulking groove, corresponding group's latch is also inserted in this caulking groove, is just crimped on ground connection moving contact, it is achieved that fixing of docking ground moving contact, and effectively prevents ground connection moving contact by mispick out, it is achieved the anti-error management of docking ground moving contact.So, by the ground connection moving contact installed upper on the left of middle cross bar corresponding to bus bar side static contact, and the ground connection moving contact on right side is corresponding to PT side static contact.This utility model is provided with the caulking groove that left and right height is different, and distinguish corresponding bus bar side and PT side, have the following technical effect that first, the low correspondence in left side is the bus bar side that static contact is higher, the PT side that what right side was high corresponding is static contact is relatively low, it is able to ensure that grounding trolley realizes appropriate coupling in operation and is connected with static contact, improves the stability and reliability connected；Secondly as left and right height is different, and it is applied to different object, the most conveniently distinguishes, it is not easy to obscure, play fool proof effect；Finally, when selecting bus bar side, upper sliding component needs to release forward to open bus bar side valve, to PT side joint ground moving contact unlocking, now downslide group latch is then through middle cross bar PATENT left side via, just it is capable of bus bar side ground connection moving contact locking, otherwise, when selecting PT side, downslide component is released forward, to bus bar side ground connection moving contact unlocking, upper sliding group's latch is then through right side through hole, just to the ground moving contact locking of PT side joint, about ingenious utilization, upper and lower relation intersection achieves the safety management of docking ground moving contact, anti-misoperation is effective, good basis is provided for safety operation.
This utility model can also further particularly as follows:
It is respectively arranged with location-plate on the left plate of carriage frame component and right plate, this location-plate is perpendicular to left side plate, it is touching on the rearward position of middle cross bar, and upper sliding component also includes two upper sliding location bars, this on two sliding location bar lay respectively at the both ends of upper saddle, one end is fixing with upper saddle to be connected, the other end extends back and has two holes, location, two hole, location are respectively hole, location, operating position and hole, off-position location, wherein hole, location, operating position is rearward, same, downslide component also includes two location bars that glide, this two downslides location bar lays respectively at the both ends of lower slider, one end is fixing with lower slider to be connected, the other end extends back and has hole, location, operating position and hole two, off-position location and positions hole, wherein hole, location, operating position is rearward；Have on described location-plate with this on the pin-and-hole of hole, location correspondence position on sliding location bar and the location bar that glides, pin-and-hole is plugged with alignment pin.
In a non-operative state, the pin-and-hole on hole, the off-position location alignment location-plate of upper sliding location bar and the location bar that glides, or use padlock locking or grafting alignment pin；During operation, according to selected bus or PT side, corresponding upper sliding component or downslide component are unlocked, padlock or alignment pin is taken off during unblock, upper saddle/lower slider is released forward, in drive, the sliding/location bar that glides moves forward, when the hole, location, operating position positioned on bar is directed at the pin-and-hole on location-plate, insert alignment pin, confirm current operation object, operating position and mode of operation, then carriage frame component and sliding component are sent into PT cabinet by screw mandrel by shake handwheel, pushed away from above/pushdown switch carries out ground connection operation after opening corresponding valve.Position bar, location-plate and alignment pin arranges the position that can fix each movable part under current state, specifies duty, improves operational stability.
In described carriage frame component, the outer side edges of left plate and right plate is provided with two rollers.
This utility model selects to use rail plate, thus ensures dolly stability in push-on process, and reduces frictional force.
In sum, this utility model provides a kind of novel 10kV bus PT cabinet grounding trolley, screw mandrel is provided to promote by fixing execution component, carriage frame component drives sliding component to perform operation, sliding component can also slide by relative trolley framing component simultaneously, described sliding component is divided into upper and lower two-layer, and upper strata is upper sliding component respective operations bus bar side valve, and lower floor is downslide component respective operations PT side valve.During operation, one of them can be selected flexibly to carry out operation, can also select to carry out operation simultaneously, having thus achieved distance, the operation of selectable ground connection, be prevented effectively from the state changing other equipment, overall structure is simple, easily operation, eliminate the potential safety hazard of operation, it is ensured that the security reliability of operation, and visual electrical verification can also be provided to operate.
Accompanying drawing explanation
Fig. 1 is the perspective view of novel 10kV bus PT cabinet grounding trolley described in the utility model.
Fig. 2 be novel 10kV bus PT cabinet grounding trolley described in the utility model look up structural representation.
Fig. 3 show the A direction view of Fig. 1, and novel 10kV bus PT cabinet grounding trolley the most described in the utility model is structural representation backward from front rail direction.
Fig. 4 show the right view of novel 10kV bus PT cabinet grounding trolley described in the utility model, and Fig. 5 is then the B-B sectional structure schematic diagram of Fig. 4.
Below in conjunction with embodiment, this utility model is described further.
Detailed description of the invention
Most preferred embodiment:
Referring to the drawings 1,10kV switch cabinet bus turns maintenance grounding trolley, includes fixing execution component, carriage frame component, sliding component and six ground connection moving contacts 10.The fixing component that performs includes pin 1, handwheel 2, screw mandrel 3 and the handle 4 being positioned at lever 1 two ends and feeder head 5, and screw mandrel 3 one end is fixing with handwheel 2 to be connected, and the other end is placed through the shaft bearing in the hole of lever 1 centre position；Feeder head 5 is positioned in the conduit that lever 1 two side ends is opened, lateral surface at lever 1 has opened chute in the position of conduit simultaneously, this chute communicates with conduit, handle 4 one end is connected by this chute is fixing with the feeder head 5 being positioned in conduit, handle 4 horizontally slips in chute, drives feeder head 5 to stretch out or retraction conduit.
Seeing Fig. 2 on the basis of Fig. 1, carriage frame component includes parallel front rail 6, middle cross bar 7, rear transverse rod 8 and the left and right sides plate 9 of connection above three cross bar.Middle cross bar 7 upper surface is distributed six caulking grooves 11, caulking groove is the cylindrical groove both sides structures with double-vane groove, middle cross bar 7 is divided into the left and right sides, upper surface, left side is less than upper surface, right side, the two is distributed in step, it is respectively arranged with three caulking grooves 11 on the upper surface of middle cross bar 7 left and right sides, the most corresponding three-phase ground, the lower end of ground connection moving contact 10 is crisscross configuration, vertical part is cylindric, and transverse part is shaft-like, the just structure of adaptive caulking groove so that ground connection moving contact 10 can be plugged in this caulking groove 11；After screw mandrel 3 passes lever, sequentially pass in the nut being installed on rear transverse rod 8 and middle cross bar 7 centre position, it is also possible to continue to extend forward through front rail 6.Being respectively arranged with location-plate 12 on the left side plate 9 of carriage frame component, this location-plate 12 is perpendicular to left side plate 9, is touching on the rearward position of middle cross bar 7, and it has the pin-and-hole being arranged above and below, and the outer side edges of left side plate 9 is provided with two rollers 13 simultaneously.
nullBased on Fig. 1，2-5 referring to the drawings，Described sliding component includes upper sliding component and the downslide component that upper and lower parallel stacked is distributed，Wherein downslide component includes lower slider 14、Glidepath 15、Sliding block 16、Downslide group's latch 17、Glide location bar 18 and pushdown switch 19，Glidepath 15、Sliding block 16、Downslide group's latch 17、Downslide location bar 18 and pushdown switch 19 are a pair，And be left and right symmetrically arranged in lower slider 14 two ends，Wherein glidepath 15 is fixedly installed between front rail 6 and middle cross bar 7，The lower surface of sliding block 16 has chute，It is installed on glidepath 15，Slide along glidepath 14，Lower slider 14 is erected at above two sliding blocks 16 of left and right，And be connected by screw is fixing with two sliding blocks 16，Two pushdown switch 19 are the mechanical arm structure extended forward，Lay respectively at lower slider 14 two ends，One end of pushdown switch 19 is fixing with lower slider 14 to be connected.Downslide group's latch 17 includes the six roots of sensation latch being equally spaced, and the left side that one end of this six roots of sensation group's latch is fixedly connected on lower slider 14 by a plate is half side, and the other end is the free end extended back.Gliding, bar 18 one end, location is fixing with lower slider to be connected, the other end extends back and has hole, location, operating position and hole two, off-position location and positions hole, wherein hole, location, operating position is held rearward, and as shown in Figure 1 corresponding with location-plate 12 hole being inserted with alignment pin 28 are hole, location, operating position.
Upper sliding component includes upper saddle 20, upper slide rail 21, top shoe 22, upper sliding group's latch 23, upper sliding location bar 24 and upper buck switch 25, upper slide rail 21, top shoe 22, upper sliding location bar 24 and upper buck switch 25 are a pair, and it is left and right symmetrically arranged in upper saddle 20 two ends, its mounting structure is essentially identical with downslide component, referring specifically to accompanying drawing and the explanation to downslide component, different places is, the right side that upper sliding group's latch 23 is in upper saddle is half side, and upper slide rail 21 can be directly mounted on lower slider 14, slide rail cushion block 26 can also be respectively provided with on front rail 6 and middle cross bar 7, then it is fixed between front rail and middle cross bar by this slide rail cushion block 26 by upper slide rail 21, as shown in Figure 3 and Figure 5.
Being provided with corresponding to upper sliding group's latch 23 and the through hole 27 of downslide group's latch 17 free end on middle cross bar 7, the free end of upper sliding group's latch 23 and downslide group's latch 17 is inserted in this through hole 27, and sliding front and back in through hole 27.Described through hole 27 is vertical with the caulking groove 11 on middle cross bar 7 to be passed through mutually, the position passed through mutually is in the both sides double-vane groove of caulking groove, therefore in being the double-vane groove of each two through hole one caulking groove of correspondence injection, after ground connection moving contact 10 intercalation enters caulking groove 11, the transverse part of its crisscross configuration is positioned at below intersection, corresponding group's latch is also inserted in this caulking groove, is just crimped on the transverse part of ground connection moving contact, it is achieved that fixing of docking ground moving contact.
Of the present utility model work process is expanded on further: untie padlock or alignment pin as a example by opening bus bar side valve, group's latch of downslide component pushes away middle cross bar, and then ground connection moving contact inserts caulking groove, downslide component return, and lock with alignment pin, ground connection moving contact fixed by group's latch.Release forward upper saddle, upper buck switch is the most forward, until when the hole, location, operating position positioned on bar is directed at the pin-and-hole on location-plate, insert alignment pin, confirm current operation object, dolly pushes cabinet door, protruding by handle operation feeder head, lever is fixed on cabinet door position, rotation hands is taken turns, carriage frame component and sliding component is made to continue to advance in cabinet under the effect of screw mandrel along with roller, until upper buck switch withstands the open position of bus bar side valve, expose bus bar side static contact, then electrical verification, finally the ground connection moving contact at dolly rear portion is docked with bus bar side static contact, complete ground connection.The work process of PT side is identical with this, if to operate bus bar side and PT side simultaneously, then upper downslide component is set to operating position, advances together.
The not described part of this utility model is same as the prior art.
Claims (5)
1.10kV switch cabinet bus turns maintenance grounding trolley, it is characterised in that include fixing execution component, carriage frame component, sliding component and a plurality of ground connection moving contact；The fixing component that performs includes pin, handwheel, screw mandrel and the handle being positioned at lever two ends and feeder head, feeder head is positioned in the conduit that lever both sides end face is opened, lateral surface at lever has opened chute in the position of conduit simultaneously, this chute communicates with conduit, handle one end is connected by this chute and the feeder head being positioned in conduit are fixing, handle horizontally slips in chute, drives feeder head to stretch out or retraction conduit；Screw mandrel one end is provided with handwheel, and the other end is through the hole in lever centre position；Carriage frame component includes parallel front rail, middle cross bar, rear transverse rod and connects the left and right sides plate of above three cross bar, middle cross bar upper surface is distributed a plurality of caulking groove, ground connection moving contact can be plugged in this caulking groove, after screw mandrel passes lever, sequentially pass in the nut being installed on rear transverse rod and middle cross bar centre position；
Sliding component includes sliding component and downslide component, downslide component includes lower slider, glidepath, sliding block, downslide group's latch and pushdown switch, glidepath, sliding block and pushdown switch are a pair, and it is left and right symmetrically arranged in lower slider two ends, wherein glidepath is fixedly installed between front rail and middle cross bar, the lower surface of sliding block has chute, it is installed on glidepath, slide along glidepath, lower slider is erected at above two sliding blocks of left and right, and fixing with two sliding blocks be connected, two pushdown switch are the mechanical arm structure extended forward, lay respectively at lower slider two ends, and fixing with lower slider be connected, downslide group's latch includes complex root latch, this complex root latch one end is fixing with lower slider to be connected, the other end is free end, its bearing of trend is contrary with pushdown switch；
Upper sliding component includes upper saddle, upper slide rail, top shoe, upper sliding group's latch and upper buck switch, upper slide rail, top shoe and upper buck switch are a pair, and it is left and right symmetrically arranged in upper saddle two ends, upper slide rail is fixedly installed on lower slider, the lower surface of top shoe has chute, it is set on slide rail, slide along upper slide rail, upper saddle is erected at above two top shoes of left and right, and fixing with two top shoes be connected, two upper buck switches are the mechanical arm structure extended forward, parallel light distribution is pushed open with aforementioned twice, and it is fixedly connected on the both ends of upper saddle, upper sliding group's latch includes complex root latch, this complex root latch one end is fixing with upper saddle to be connected, the other end is free end, its bearing of trend is contrary with upper buck switch；Upper buck switch distinguishes bus bar side valve and the PT side valve of corresponding PT cabinet with pushdown switch.
10kV switch cabinet bus the most according to claim 1 turns maintenance grounding trolley, it is characterized in that, described sliding component and downslide member parallel, downslide group's latch is perpendicular to lower slider and installs, and the left side that is positioned at lower slider is half side, agreeing to, upper sliding group's latch is perpendicular to upper saddle and installs, and the right side being positioned at upper saddle is half side；Being provided with on middle cross bar corresponding to upper sliding group's latch and the through hole of downslide group's latch free end, the free end of upper sliding group's latch and downslide group's latch is inserted in this through hole, and sliding in through-holes.
10kV switch cabinet bus the most according to claim 2 turns maintenance grounding trolley, it is characterized in that, described middle cross bar is divided into the left and right sides, upper surface, left side is less than upper surface, right side, the two is distributed in step, and the upper surface of the middle cross bar left and right sides is respectively arranged with three caulking grooves, the most corresponding three-phase ground, be positioned on cross bar through hole with upper sliding group's latch grafting with the three of right side caulking groove is vertical passes through mutually, then vertical with three, left side caulking groove with the through hole of downslide group's latch grafting pass through mutually；The lower end of ground connection moving contact is that the caulking groove in crisscross configuration, with middle cross bar matches, and after ground connection moving contact intercalation enters caulking groove, the transverse part of its crisscross configuration is positioned at below intersection.
null10kV switch cabinet bus the most according to claim 1 turns maintenance grounding trolley，It is characterized in that，It is respectively arranged with location-plate on the left plate of carriage frame component and right plate，This location-plate is perpendicular to left side plate，It is touching on the rearward position of middle cross bar，And upper sliding component also includes two upper sliding location bars，This on two sliding location bar lay respectively at the both ends of upper saddle，One end is fixing with upper saddle to be connected，The other end extends back and has two holes, location，Two hole, location are respectively hole, location, operating position and hole, off-position location，Wherein hole, location, operating position is rearward，Same，Downslide component also includes two location bars that glide，This two downslides location bar lays respectively at the both ends of lower slider，One end is fixing with lower slider to be connected，The other end extends back and has hole, location, operating position and hole two, off-position location and positions hole，Wherein hole, location, operating position is rearward；Have on described location-plate with this on the pin-and-hole of hole, location correspondence position on sliding location bar and the location bar that glides, pin-and-hole is plugged with alignment pin.
10kV switch cabinet bus the most according to claim 1 turns maintenance grounding trolley, it is characterised in that in described carriage frame component, and the outer side edges of left plate and right plate is provided with two rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620034404.7U CN205489196U (en) | 2016-01-14 | 2016-01-14 | 10kV cubical switchboard generating line changes to overhaul uses ground connection dolly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620034404.7U CN205489196U (en) | 2016-01-14 | 2016-01-14 | 10kV cubical switchboard generating line changes to overhaul uses ground connection dolly |
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| CN205489196U true CN205489196U (en) | 2016-08-17 |
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| CN201620034404.7U Expired - Fee Related CN205489196U (en) | 2016-01-14 | 2016-01-14 | 10kV cubical switchboard generating line changes to overhaul uses ground connection dolly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107394552A (en) * | 2017-09-01 | 2017-11-24 | 贵州电网有限责任公司 | The installation of switch-cabinet grounding line, remove device and operating method |
| CN109494601A (en) * | 2018-12-04 | 2019-03-19 | 国家电网有限公司 | A kind of switch-cabinet grounding handcart guide rail |
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2016
- 2016-01-14 CN CN201620034404.7U patent/CN205489196U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394552A (en) * | 2017-09-01 | 2017-11-24 | 贵州电网有限责任公司 | The installation of switch-cabinet grounding line, remove device and operating method |
| CN107394552B (en) * | 2017-09-01 | 2023-09-26 | 贵州电网有限责任公司 | Switch cabinet grounding wire mounting and dismounting device and operation method |
| CN109494601A (en) * | 2018-12-04 | 2019-03-19 | 国家电网有限公司 | A kind of switch-cabinet grounding handcart guide rail |
| CN109494601B (en) * | 2018-12-04 | 2024-04-19 | 国家电网有限公司 | Switch cabinet grounding handcart guide rail |
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