CN106936090A - A kind of central switch cabinet earth handcart - Google Patents
A kind of central switch cabinet earth handcart Download PDFInfo
- Publication number
- CN106936090A CN106936090A CN201511026229.3A CN201511026229A CN106936090A CN 106936090 A CN106936090 A CN 106936090A CN 201511026229 A CN201511026229 A CN 201511026229A CN 106936090 A CN106936090 A CN 106936090A
- Authority
- CN
- China
- Prior art keywords
- contact arm
- vehicle frame
- contact
- switch cabinet
- central switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
-
- 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
- H02B11/28—Earthing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The present invention provides a kind of central switch cabinet earth handcart, including vehicle frame and the earthing or grounding means being fixed on the vehicle frame, the earthing or grounding means includes the first contact arm being fixedly mounted on the vehicle frame, the second contact arm of moving contact is provided with, second contact arm is detachably connected with first contact arm by attachment structure.It is detachably connected with the first contact arm being fixedly mounted on vehicle frame by attachment structure by the second contact arm for being provided with moving contact, when the shape of static contact in different central switch cabinets is changed, the second contact arm with the moving contact matched with it can be flexibly changed according to static contact, as long as can be used ground connection car to realize the ground connection of bus in central switch cabinet after the second contact arm is fixedly connected with the first contact arm, the range of application of earth handcart is greatly expanded, it is convenient and practical.
Description
Technical field
The present invention relates to a kind of central switch cabinet earth handcart, belong to the electrical verification of intermediate switchgear cabinet bus, connect
Ground equipment technical field.
Background technology
In power system, due to handcart small volume, interchangeability is good, and has possessed for intermediate switchgear cabinet
Kind, reliable anti-misoperation function, thus be widely used in power distribution network.Changed in switch cubicle etc.
Need bus have a power failure work in, it is necessary on bus hang ground wire with the operation of safeguard work personnel
Safety.Usually without special bus grounding device, operating personnel need to bore for existing switch cubicle design
Enter and mount ground wire in the switch cubicle of narrow space manually, be inconvenient.Switch-cabinet grounding handcart passes through
Handcart grounding contact is connected with cabinet handcart earthing bar, can realize handcart reliable ground, so as to protect
Personnel and the safety of equipment.Thus the application of switch-cabinet grounding handcart is more and more extensive.
Chinese patent literature CN203205713U discloses a kind of switch-cabinet grounding car, including vehicle frame, institute
Two side bottoms for stating vehicle frame are respectively equipped with two rollers, the vehicle frame rear end be provided with several moving contacts and
One grounding contact, the moving contact is connected by copper connector with grounding contact, described copper
Connector is connected with the rear end of a grounding copper bar, before vehicle frame is fixed in the front end of the grounding copper bar
End.Switch-cabinet grounding car disclosed in the patent document can not only by the grounding contact of vehicle frame rear end with
The drop bar grounding connection of switch cubicle, and can be connect with soft copper winding displacement by the grounding copper bar of vehicle frame front end
Ground connection.When switch cubicle maintenance is needed busbar grounding, first the circuit breaker trolley in switch cubicle is drawn
Go out, then will be grounded in car push-on switch cabinet, be then grounded grounding copper bar by soft copper winding displacement, without
The access hole for opening switch cubicle rear cabinet door installs ground wire additional, and ground connection is directly perceived, convenient and safe and reliable.But
It is in actual use, because the form of static contact in central switch cabinet has various, in order to use
Earth handcart carries out ground connection operation, it is often necessary to which being changed according to different static contacts has different moving contacts
Ground connection car, be inconvenient.
The content of the invention
Therefore, it is an object of the invention to overcome earth handcart of the prior art because cannot directly change
Moving contact and lead to not successfully manage the intermediate switchgear cabinet with multi-form static contact and cause
Awkward technological deficiency, so as to provide a kind of static contact that can be directed to multi-form directly change
Corresponding moving contact, so as to expand the range of application of earth handcart, and puts using in more easily
Switch-cabinet grounding handcart.
Therefore, the present invention provides a kind of central switch cabinet earth handcart, including vehicle frame and it is fixed on described
Earthing or grounding means on vehicle frame, the earthing or grounding means includes the first contact arm being fixedly mounted on the vehicle frame,
The second contact arm of moving contact is provided with, second contact arm is removable by attachment structure with first contact arm
Unload connection.
The attachment structure includes being located at least 2 first installation through-holes of described second contact arm one end,
2 the second installation through-holes being located on first contact arm relative with first installation through-hole, and
Second contact arm and described first are touched through first installation through-hole and second installation through-hole
2 the first bolt assemblies that arm is fixedly connected.
First contact arm is fixedly connected by bolt with the insulated support being fixed on the vehicle frame.
Also it is fixedly connected with first contact arm by fixed structure including one end, the other end is suitable to and connects
The grounding copper bar of ground contact connection.
The other end of the grounding copper bar is stretched from the front portion of the vehicle frame to the vehicle frame rear direction
Enter the bottom of frame certain length, and be fixed on the bottom of frame.
The fixed structure includes the first fixed via being located on first contact arm, with described first
Relative the second fixed via being located on the grounding copper bar of fixed via, and it is solid through described first
Determine with the grounding copper bar be fixedly connected first contact arm by through hole and second fixed via
Two bolt assemblies.
The grounding copper bar relative level inclines certain angle R and sets, and the angle R is 20-80 °.
Also include the push pedal being installed on the vehicle frame, the end of described outside one end of push pedal is integrally formed
There is pushing part.
The push pedal is provided with adjustable strip hole, and the push pedal is by through the of the adjustable strip hole
Three bolt assemblies are adjustable to be fixed on the vehicle frame.
The bottom of frame is provided with chassis, is provided with the chassis and is easy to some of the vehicle frame movement
Roller.
A kind of central switch cabinet earth handcart of the invention has advantages below：
1. central switch cabinet earth handcart of the invention, is provided with the second contact arm of moving contact by connecting knot
Structure is detachably connected with the first contact arm being fixedly mounted on vehicle frame, when stationary contact in different central switch cabinets
The shape of head is when changing, and with the moving contact matched with it the can be flexibly changed according to static contact
Two contact arms, as long as can be used ground connection car to be put in realizing after the second contact arm is fixedly connected with the first contact arm
The ground connection of bus in switch cubicle, greatly expands the range of application of earth handcart, convenient and practical.
2. central switch cabinet earth handcart of the invention, sets attachment structure including being located at the second contact arm one
At least 2 first installation through-holes at end, 2 be located on the first contact arm relative with the first installation through-hole
Second installation through-hole, and through the first installation through-hole and the second installation through-hole by the second contact arm and first
2 the first bolt assemblies that contact arm is fixedly connected；This attachment structure is solid and reliable, ensure that
Two contact arms are fixedly secured on the first contact arm, and fixed form is simple, easily operation, very fast.
3. central switch cabinet earth handcart of the invention, sets the first contact arm and passes through insulated support and car
Frame is fixedly connected, and ground connection vehicle carriage can be avoided powered, it is ensured that workman's work safety.Grounding copper bar is set
One end be fixedly connected with the first contact arm, the other end be suitable to grounding contact contact be connected, can by from
The electricity that moving contact contacts static contact and receives is delivered to grounding contact by grounding copper bar, so as to realize mother
Line is grounded.
4. central switch cabinet earth handcart of the invention, by the other end of grounding copper bar from the front portion of vehicle frame
Bottom of frame certain length is stretched into vehicle frame rear direction, and is fixed on bottom of frame, can caused
Grounding copper bar is very easily connected with fixed grounding contact contact on the ground, and it is very easy to be grounded.
5. central switch cabinet earth handcart of the invention, also including the push pedal being installed on vehicle frame, push pedal
The end of outside one end form pushing part, when connecing bus in central switch cabinet using earth handcart
During ground, without manually pushing baffle plate of the gear before static contact open, the pushing part in push pedal can automatically by gear
Plate is pushed open, eliminates the obstacle between moving contact and static contact, not only convenient and swift to can also ensure that safety.
Adjustable strip hole is set in push pedal, the outwardly directed length of push pedal can be according to actual needs adjusted, from
And conveniently promote above-mentioned baffle plate.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in prior art or the specific embodiment of the invention, under
Accompanying drawing used in prior art or specific embodiment description is briefly described, it is clear that
Ground, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is the front view of earth handcart in embodiment 1.
Fig. 2 is side view when earth handcart is connected with the contact of ground static contact in Fig. 1.
Fig. 3 is the structural representation of push pedal in embodiment 1.
Fig. 4 is the structural representation of bottom surface static contact.
Fig. 5 is the structural representation of duck-beak type moving contact.
Reference is expressed as in figure：1- moving contacts, the contact arms of 2- second, the contact arms of 3- first, 4- insulation
Support member, 5- vehicle frames, 6- grounding copper bars, 7- push pedals, 71- pushing parts, 72- is adjustable strip hole, 8-
Chassis, the bolt assemblies of 9- first, 10- bolts, the bolt assemblies of 11- second, the bolt assemblies of 12- the 3rd,
13- earthing bars, 14- compression springs, 15- grounding contacts, 16- base plates.
Specific embodiment
Technical scheme is described with reference to Figure of description, it is clear that following realities
It is not whole embodiment of the invention to apply example.Based on embodiment described in the invention, this area is common
The every other embodiment that technical staff is obtained under the premise of other creative works are not made, all
Belong to protection scope of the present invention.
It should be noted that in the description of the invention, term " first ", " second " are only used for retouching
Purpose is stated, and it is not intended that indicating or implying relative importance.Additionally, this hair disclosed below
As long as in bright different embodiments involved technical characteristic do not constitute each other conflict just can be mutual
With reference to.
Embodiment
The present embodiment provides a kind of central switch cabinet earth handcart, as shown in Figure 1-2, including vehicle frame 5
With the earthing or grounding means being fixed on the vehicle frame 5, the earthing or grounding means is including being fixedly mounted on the car
The first contact arm 3 on frame 5, is provided with the second contact arm 2 of moving contact 1, second contact arm 2 with it is described
First contact arm 3 is detachably connected by attachment structure.When the shape of static contact in different central switch cabinets
When changing, the second contact arm 2 with the moving contact 1 matched with it can be flexibly changed according to static contact
(duck-beak type moving contact as shown in Figure 5, common in the art also has quincunx moving contact, figure
In do not show), as long as after the second contact arm 2 is fixedly connected with the first contact arm 3 i.e. can be used ground connection car reality
The ground connection of bus, greatly expands the range of application of earth handcart in existing central switch cabinet, convenient and practical.
The attachment structure includes being located at 2 first installation through-holes of described one end of second contact arm 2, with
Relative 2 the second installation through-holes being located on first contact arm 3 of first installation through-hole, and
Through first installation through-hole and second installation through-hole by second contact arm 2 and described first
2 the first bolt assemblies 9 that contact arm 3 is fixedly connected.Attachment structure can also have other forms, as long as
Facilitate the connection of the first contact arm 3 and the second contact arm 2 can be to use.
First contact arm 3 is solid with the insulated support 4 being fixed on the vehicle frame 5 by bolt 10
Fixed connection.
The earth handcart of the present embodiment is also fixed by fixed structure including one end with first contact arm 3
Connection, the other end is suitable to be contacted with grounding contact 15 grounding copper bar 6 being connected.The grounding copper bar 6
The other end from the vehicle frame 5 front portion stretch into the vehicle frame 5 to the rear direction of the vehicle frame 5
Bottom certain length, and be fixed on the bottom of the vehicle frame 5.By the other end of grounding copper bar 6 from car
The bottom certain length of vehicle frame 5 is stretched into the front portion of frame 5 to the rear direction of vehicle frame 5, and is fixed on vehicle frame 5
On bottom, can be connected with the fixed contact of grounding contact 15 on the ground with very convenient, be grounded ten partial volumes
Easily.The relative level of the grounding copper bar 6 inclines certain angle R and sets, and the angle R is 20-80 °,
It is in the present embodiment 45 degree.
Also include the push pedal 7 being installed on the vehicle frame 5, the end of the outside one end of the push pedal 7 is integrally
Form pushing part 71.
The fixed structure includes being located at the first fixed via on first contact arm 3, with described the
Relative the second fixed via being located on the grounding copper bar 6 of one fixed via, and through described the
One fixed via and second fixed via fix first contact arm 3 and the grounding copper bar 6
Second bolt assembly 11 of connection.
As shown in figure 3, the push pedal 7 is provided with adjustable strip hole 72, the push pedal 7 by through
3rd bolt assembly 12 of the adjustable strip hole 72 is adjustable to be fixed on the vehicle frame 5.
The bottom of the vehicle frame 5 is provided with chassis 8, is provided with the chassis 8 and is easy to the vehicle frame 5 to move
Some rollers.
The set-up mode of grounding contact 15 has various, and Fig. 4 show one of which, grounding contact 15
It is fixed on base plate 16 by compression spring 14, and is fixedly connected with earthing bar 13 by bolt assembly.
Compression spring holds up grounding contact 15 upwards, so that grounding contact 15 is easier and is located at vehicle frame 5
Described another end in contact connection of the grounding copper bar of bottom, preferably to realize busbar grounding.
The specifically used method of the central switch cabinet earth handcart that the present embodiment is provided is as follows：Basis first
Static contact pattern second contact arm 2 of the selection with corresponding moving contact 1 in central switch cabinet, then passes through
First bolt assembly 9 is fixed with the first contact arm 3 being fixed on by insulating fixing piece 4 on vehicle frame 5 and connected
Connect, be fixedly connected after finishing, vehicle frame 5 is promoted to switch cubicle direction, and then cause to be arranged on chassis 8
Roller along the track rolls forward being located in switch cubicle, the pushing part 71 of push pedal 7 is by switch cubicle
Static contact baffles push open, the contact of moving contact 1 and static contact is connected, and now grounding copper bar 6 is described
The other end is connected with the contact of grounding contact 15, so as to realize busbar grounding.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to embodiment party
The restriction of formula.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to give all of implementation method
With exhaustion.And the obvious change thus extended out or change guarantor still in the invention
Among shield scope.
Claims (10)
1. a kind of central switch cabinet earth handcart, including vehicle frame (5) and the vehicle frame (5) is fixed on
On earthing or grounding means, it is characterised in that：The earthing or grounding means includes being fixedly mounted on the vehicle frame (5)
On the first contact arm (3), be provided with second contact arm (2) of moving contact (1), second contact arm (2)
It is detachably connected by attachment structure with first contact arm (3).
2. central switch cabinet earth handcart according to claim 1, it is characterised in that：The company
Binding structure includes being located at least 2 first installation through-holes of described second contact arm (2) one end, and described
Relative 2 the second installation through-holes being located on first contact arm (3) of first installation through-hole, and wear
First installation through-hole and second installation through-hole are crossed by second contact arm (2) and described first
2 the first bolt assemblies (9) that contact arm (3) is fixedly connected.
3. central switch cabinet earth handcart according to claim 2, it is characterised in that：Described
One contact arm (3) is by bolt (10) and the insulated support (4) being fixed on the vehicle frame (5)
It is fixedly connected.
4. central switch cabinet earth handcart according to claim 3, it is characterised in that：Also include
One end is fixedly connected by fixed structure with first contact arm (3), and the other end is suitable to and grounding contact
(15) grounding copper bar (6) of contact connection.
5. central switch cabinet earth handcart according to claim 4, it is characterised in that：It is described to connect
The other end on ground copper bar (6) is from the front portion of the vehicle frame (5) to the vehicle frame (5) rear portion side
To stretching into the vehicle frame (5) bottom certain length, and it is fixed on the vehicle frame (5) bottom.
6. central switch cabinet earth handcart according to claim 5, it is characterised in that：It is described solid
Fixed structure includes the first fixed via being located on first contact arm (3), fixes logical with described first
Relative the second fixed via being located on the grounding copper bar (6) in hole, and fixed through described first
Through hole and second fixed via are fixed with the grounding copper bar (6) by first contact arm (3)
Second bolt assembly (11) of connection.
7. the central switch cabinet earth handcart according to claim 4 or 5 or 6, it is characterised in that：
Grounding copper bar (6) relative level inclines certain angle R and sets, and the angle R is 20-80 °.
8. the central switch cabinet earth handcart according to any one of claim 1-6, its feature exists
In：Also include the push pedal (7) being installed on the vehicle frame (5), the outside one end of the push pedal (7)
End integrally formed with pushing part (71).
9. central switch cabinet earth handcart according to claim 8, it is characterised in that：It is described to push away
Plate (7) is provided with adjustable strip hole (72), and the push pedal (7) is by through the adjustable strip hole
(72) the 3rd bolt assembly (12) is adjustable to be fixed on the vehicle frame (5).
10. central switch cabinet earth handcart according to claim 9, it is characterised in that：The car
Frame (5) bottom is provided with chassis (8), is provided with the chassis (8) and is easy to the vehicle frame (5) to move
Dynamic some rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026229.3A CN106936090A (en) | 2015-12-31 | 2015-12-31 | A kind of central switch cabinet earth handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026229.3A CN106936090A (en) | 2015-12-31 | 2015-12-31 | A kind of central switch cabinet earth handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106936090A true CN106936090A (en) | 2017-07-07 |
Family
ID=59441071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511026229.3A Pending CN106936090A (en) | 2015-12-31 | 2015-12-31 | A kind of central switch cabinet earth handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106936090A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369927A (en) * | 2017-08-10 | 2017-11-21 | 河北阡陌电器有限公司 | A kind of central switch cabinet drop bar |
| 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 |
| CN113991503A (en) * | 2021-12-07 | 2022-01-28 | 海南电网有限责任公司三亚供电局 | Quick earthing device of cubical switchboard generating line |
-
2015
- 2015-12-31 CN CN201511026229.3A patent/CN106936090A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369927A (en) * | 2017-08-10 | 2017-11-21 | 河北阡陌电器有限公司 | A kind of central switch cabinet drop bar |
| 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 |
| CN113991503A (en) * | 2021-12-07 | 2022-01-28 | 海南电网有限责任公司三亚供电局 | Quick earthing device of cubical switchboard generating line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170707 |