CN204179556U - The detachable central switch cabinet earth handcart of a kind of contact arm - Google Patents
The detachable central switch cabinet earth handcart of a kind of contact arm Download PDFInfo
- Publication number
- CN204179556U CN204179556U CN201420493930.0U CN201420493930U CN204179556U CN 204179556 U CN204179556 U CN 204179556U CN 201420493930 U CN201420493930 U CN 201420493930U CN 204179556 U CN204179556 U CN 204179556U
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- China
- Prior art keywords
- contact arm
- vehicle frame
- contact
- switch cabinet
- central switch
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 31
- 229910052802 copper Inorganic materials 0.000 claims description 31
- 239000010949 copper Substances 0.000 claims description 31
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The utility model provides a kind of contact arm detachable central switch cabinet earth handcart, comprise vehicle frame and be fixed on the earthing device on described vehicle frame, described earthing device comprises the first contact arm be fixedly mounted on described vehicle frame, be provided with the second contact arm of moving contact, described second contact arm and described first contact arm are removably connected by syndeton.Removably connected by syndeton and the first contact arm be fixedly mounted on vehicle frame by the second contact arm being provided with moving contact, when in different central switch cabinet, the shape of fixed contact changes, second contact arm with the moving contact matched with it can be changed flexibly according to fixed contact, as long as grounding car can be used to realize the ground connection of bus in central switch cabinet after being fixedly connected with the first contact arm by the second contact arm, greatly extend the range of application of earth handcart, convenient and practical.
Description
Technical field
The utility model relates to the detachable central switch cabinet earth handcart of a kind of contact arm, belongs to the electrical verification of intermediate switchgear cabinet bus, grounding apparatus technical field.
Background technology
In electric power system, intermediate switchgear cabinet due to handcart volume little, interchangeability is good, and possesses perfect, reliable anti-misoperation function, thus widely uses in power distribution network.In the work that switch cubicle replacing etc. needs bus to have a power failure, need on bus, to hang earth connection with the handling safety of safeguard work personnel.The design of existing switch cubicle does not usually have special bus grounding device, manually mounts earth connection in the switch cubicle that operating personnel need to pierce narrow space, very inconvenient.Switch-cabinet grounding handcart is connected with cabinet handcart earthing bar by handcart grounding contact, can realize handcart reliable ground, thus the safety of protection personnel and 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, comprise vehicle frame, two rollers are respectively equipped with bottom the both sides of described vehicle frame, described vehicle frame rear end is provided with several moving contacts and a grounding contact, described moving contact is connected with grounding contact by copper connector, described copper connector is connected with the rear end of a grounding copper bar, and the front end of vehicle frame is fixed in the front end of described grounding copper bar.Switch-cabinet grounding car disclosed in this patent documentation can not only pass through the grounding contact of vehicle frame rear end and the earth rod grounding connection of switch cubicle, and by the grounding copper bar of vehicle frame front end and soft copper winding displacement grounding connection.When switch cubicle maintenance needs busbar grounding, first by the circuit breaker trolley pull-out in switch cubicle, then by grounding car push-on switch cabinet, then pass through soft copper winding displacement by grounding copper bar ground connection, access hole without the need to opening switch cabinet rear cabinet door installs earth connection additional, and ground connection is directly perceived, convenient and safe and reliable.But in actual use, because in central switch cabinet, the form of fixed contact has multiple, in order to earth handcart can be used to carry out ground connection operation, often need to change the grounding car with different moving contact according to different fixed contacts, very inconvenient.
Utility model content
Therefore, the purpose of this utility model is to overcome earth handcart of the prior art and causes successfully managing the intermediate switchgear cabinet with multi-form fixed contact because directly changing moving contact and cause awkward technological deficiency, thus provide a kind of and can directly change corresponding moving contact for multi-form fixed contact, thus expand the range of application of earth handcart, and use the detachable central switch cabinet earth handcart of contact arm more easily.
For this reason, the utility model provides a kind of contact arm detachable central switch cabinet earth handcart, comprise vehicle frame and be fixed on the earthing device on described vehicle frame, described earthing device comprises the first contact arm be fixedly mounted on described vehicle frame, be provided with the second contact arm of moving contact, described second contact arm and described first contact arm are removably connected by syndeton.
Described syndeton comprises at least 2 the first installation through holes being located at described second contact arm one end, relative 2 second of being located on described first contact arm of through hole are installed with described first through hole is installed, and through described first, through hole and described second is installed 2 the first bolt assemblies that described second contact arm is fixedly connected with described first contact arm by through hole are installed.
Described first contact arm is fixedly connected with the insulated support be fixed on described vehicle frame by bolt.
Also comprise one end to be fixedly connected with described first contact arm by fixed structure, the other end is suitable for contacting the grounding copper bar connected with grounding contact.
The described other end of described grounding copper bar stretches into described bottom of frame certain length from the front portion of described vehicle frame to described vehicle frame rear direction, and is fixed on described bottom of frame.
Described fixed structure comprises the first fixed via be located on described first contact arm, second fixed via that be located at described grounding copper bar on relative to described first fixed via, and through the second bolt assembly that described first contact arm is fixedly connected with described grounding copper bar with described second fixed via by described first fixed via.
Described grounding copper bar relative level face tilt certain angle R is arranged, and described angle R is 20-80 °.
Also comprise the push pedal be installed on described vehicle frame, the end of the outside one end of described push pedal is one-body molded pushing part.
Described push pedal is provided with adjustable strip hole, and described push pedal is by being fixed on described vehicle frame through the 3rd bolt assembly of described adjustable strip hole is adjustable.
Described bottom of frame is provided with chassis, and described chassis is provided with the some rollers being convenient to described vehicle frame movement.
The detachable central switch cabinet earth handcart of a kind of contact arm of the present utility model has the following advantages:
1. the detachable central switch cabinet earth handcart of contact arm of the present utility model, the second contact arm being provided with moving contact is removably connected by syndeton and the first contact arm be fixedly mounted on vehicle frame, when in different central switch cabinet, the shape of fixed contact changes, second contact arm with the moving contact matched with it can be changed flexibly according to fixed contact, as long as grounding car can be used to realize the ground connection of bus in central switch cabinet after being fixedly connected with the first contact arm by the second contact arm, greatly extend the range of application of earth handcart, convenient and practical.
2. the detachable central switch cabinet earth handcart of contact arm of the present utility model, syndeton is set and comprises at least 2 the first installation through holes being located at second contact arm one end, relative 2 second of being located on the first contact arm of through hole are installed with first through hole is installed, and through first, through hole and second is installed 2 the first bolt assemblies that the second contact arm is fixedly connected with the first contact arm by through hole are installed; This syndeton is solid and reliable, can ensure that the second contact arm fixedly secures on the first contact arm, and fixed form is simple, easily operates, very fast.
3. the detachable central switch cabinet earth handcart of contact arm of the present utility model, is arranged the first contact arm and is fixedly connected with vehicle frame by insulated support, and grounding car vehicle frame can be avoided charged, ensures workman's work safety.The one end arranging grounding copper bar is fixedly connected with the first contact arm, and the other end is suitable for contacting with grounding contact connecting, and the electricity that driven contact fixed contact can be received is delivered to grounding contact by grounding copper bar, thus realizes busbar grounding.
4. the detachable central switch cabinet earth handcart of contact arm of the present utility model, the other end of grounding copper bar is stretched into bottom of frame certain length from the front portion of vehicle frame to vehicle frame rear direction, and be fixed on bottom of frame, grounding copper bar can be made to contact with the grounding contact being fixed on ground very easily connect, ground connection is very easy.
5. the detachable central switch cabinet earth handcart of contact arm of the present utility model, also comprise the push pedal be installed on vehicle frame, the end of outside one end of push pedal forms pushing part, when using earth handcart to make busbar grounding in central switch cabinet, without the need to manually pushing the baffle plate of gear before fixed contact open, baffle plate can be pushed open by pushing part in push pedal automatically, the obstacle between elimination moving contact and fixed contact, not only convenient and swiftly can also ensure safety.Push pedal arranges adjustable strip hole, the outwardly directed length of push pedal can be adjusted according to actual needs, thus the above-mentioned baffle plate of convenient promotion.
Accompanying drawing explanation
Fig. 1 is the front view of earth handcart in embodiment 1.
Fig. 2 is that in Fig. 1, earth handcart contacts end view when connecting with ground fixed contact.
Fig. 3 is the structural representation of push pedal in embodiment 1.
Fig. 4 is the structural representation of bottom surface fixed contact.
Fig. 5 is the structural representation of duck-beak type moving contact.
In figure, Reference numeral is expressed as: 1-moving contact, 2-second contact arm, 3-first contact arm, 4-insulated support, 5-vehicle frame, 6-grounding copper bar, 7-push pedal, 71-pushing part, 72-is adjustable strip hole, 8-chassis, 9-first bolt assembly, 10-bolt, 11-second bolt assembly, 12-the 3rd bolt assembly, 13-earthing bar, 14-Compress Spring, 15-grounding contact, 16-base plate.
Embodiment
Below in conjunction with accompanying drawing, the detachable central switch cabinet earth handcart of a kind of contact arm that the utility model provides is described in further detail.
embodiment 1
The present embodiment provides a kind of contact arm detachable central switch cabinet earth handcart, as shown in Figure 1-2, the earthing device comprising vehicle frame 5 and be fixed on described vehicle frame 5, described earthing device comprises the first contact arm 3 be fixedly mounted on described vehicle frame 5, be provided with the second contact arm 2 of moving contact 1, described second contact arm 2 is removably connected by syndeton with described first contact arm 3.When in different central switch cabinet, the shape of fixed contact changes, the second contact arm 2(duck-beak type moving contact as shown in Figure 5 with the moving contact 1 matched with it can be changed flexibly according to fixed contact, quincunx moving contact in addition common in prior art, do not show in figure), as long as grounding car can be used to realize the ground connection of bus in central switch cabinet after being fixedly connected with the first contact arm 3 by the second contact arm 2, greatly extend the range of application of earth handcart, convenient and practical.
Described syndeton comprises 2 the first installation through holes being located at described second contact arm 2 one end, relative 2 second of being located on described first contact arm 3 of through hole are installed with described first through hole is installed, and through described first, through hole and described second is installed 2 the first bolt assemblies 9 that described second contact arm 2 is fixedly connected with described first contact arm 3 by through hole are installed.Syndeton can also have other forms, as long as facilitate the connection of the first contact arm 3 and the second contact arm 2 just can use.
Described first contact arm 3 is fixedly connected with the insulated support 4 be fixed on described vehicle frame 5 by bolt 10.
The earth handcart of the present embodiment is also comprised one end and is fixedly connected with described first contact arm 3 by fixed structure, and the other end is suitable for contacting the grounding copper bar 6 connected with grounding contact 15.The described other end of described grounding copper bar 6 stretches into certain length bottom described vehicle frame 5 from the front portion of described vehicle frame 5 to described vehicle frame 5 rear direction, and is fixed on bottom described vehicle frame 5.The other end of grounding copper bar 6 is stretched into certain length bottom vehicle frame 5 from the front portion of vehicle frame 5 to vehicle frame 5 rear direction, and is fixed on bottom vehicle frame 5, can contact and connect by the very convenient grounding contact 15 with being fixed on the ground, ground connection is very easy.Described grounding copper bar 6 relative level face tilt certain angle R is arranged, and described angle R is 20-80 °, is 45 degree in the present embodiment.
Also comprise the push pedal 7 be installed on described vehicle frame 5, the end of the outside one end of described push pedal 7 is one-body molded pushing part 71.
Described fixed structure comprises the first fixed via be located on described first contact arm 3, second fixed via that be located at described grounding copper bar 6 on relative to described first fixed via, and through the second bolt assembly 11 that described first contact arm 3 is fixedly connected with described grounding copper bar 6 with described second fixed via by described first fixed via.
As shown in Figure 3, described push pedal 7 is provided with adjustable strip hole 72, and described push pedal 7 is by being fixed on described vehicle frame 5 through the 3rd bolt assembly 12 of described adjustable strip hole 72 is adjustable.
Be provided with chassis 8 bottom described vehicle frame 5, described chassis 8 is provided with the some rollers being convenient to the movement of described vehicle frame 5.
The set-up mode of grounding contact 15 has multiple, and Figure 4 shows that wherein a kind of, grounding contact 15 is fixed on base plate 16 by Compress Spring 14, and is fixedly connected with earthing bar 13 by bolt assembly.Compress Spring upwards holds up grounding contact 15, thus grounding contact 15 is more easily contacted with the described other end of the grounding copper bar be located at bottom vehicle frame 5 connect, better to realize busbar grounding.
The concrete using method of the contact arm that the present embodiment provides detachable central switch cabinet earth handcart is as follows: first select second contact arm 2 with corresponding moving contact 1 according to the fixed contact pattern in central switch cabinet, then be fixedly connected with the first contact arm 3 be fixed on by insulating fixing piece 4 on vehicle frame 5 by the first bolt assembly 9, after being fixedly connected with, vehicle frame 5 is promoted to switch cubicle direction, and then the roller making to be arranged on chassis 8 is along the track rolls forward be located in switch cubicle, static contact baffles in switch cubicle is pushed open by the pushing part 71 of push pedal 7, moving contact 1 contacts with fixed contact and connects, now the described other end of grounding copper bar 6 contacts with grounding contact 15 and connects, thus realize busbar grounding.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (10)
1. the detachable central switch cabinet earth handcart of contact arm, the earthing device comprising vehicle frame (5) and be fixed on described vehicle frame (5), it is characterized in that: described earthing device comprises the first contact arm (3) be fixedly mounted on described vehicle frame (5), be provided with second contact arm (2) of moving contact (1), described second contact arm (2) and described first contact arm (3) are removably connected by syndeton.
2. the detachable central switch cabinet earth handcart of contact arm according to claim 1, it is characterized in that: described syndeton comprises at least 2 the first installation through holes being located at described second contact arm (2) one end, relative 2 second of being located on described first contact arm (3) of through hole are installed with described first through hole is installed, and through described first, through hole and described second is installed 2 the first bolt assemblies (9) that described second contact arm (2) is fixedly connected with described first contact arm (3) by through hole are installed.
3. the detachable central switch cabinet earth handcart of contact arm according to claim 2, is characterized in that: described first contact arm (3) is fixedly connected with the insulated support (4) be fixed on described vehicle frame (5) by bolt (10).
4. the detachable central switch cabinet earth handcart of contact arm according to claim 3, it is characterized in that: also comprise one end and be fixedly connected with described first contact arm (3) by fixed structure, the other end is suitable for contacting the grounding copper bar (6) connected with grounding contact (15).
5. the detachable central switch cabinet earth handcart of contact arm according to claim 4, it is characterized in that: the described other end of described grounding copper bar (6) stretches into described vehicle frame (5) bottom certain length from the front portion of described vehicle frame (5) to described vehicle frame (5) rear direction, and is fixed on described vehicle frame (5) bottom.
6. the detachable central switch cabinet earth handcart of contact arm according to claim 5, it is characterized in that: described fixed structure comprises the first fixed via be located on described first contact arm (3), second fixed via that be located at described grounding copper bar (6) on relative to described first fixed via, and through the second bolt assembly (11) that described first contact arm (3) is fixedly connected with described grounding copper bar (6) with described second fixed via by described first fixed via.
7. the detachable central switch cabinet earth handcart of contact arm according to claim 4 or 5 or 6, is characterized in that: described grounding copper bar (6) relative level face tilt certain angle R is arranged, and described angle R is 20-80 °.
8. the detachable central switch cabinet earth handcart of the contact arm according to any one of claim 1-6, it is characterized in that: also comprise the push pedal (7) be installed on described vehicle frame (5), the end of the outside one end of described push pedal (7) is one-body molded pushing part (71).
9. the detachable central switch cabinet earth handcart of contact arm according to claim 8, it is characterized in that: described push pedal (7) is provided with adjustable strip hole (72), described push pedal (7) is by being fixed on described vehicle frame (5) through the 3rd bolt assembly (12) of described adjustable strip hole (72) is adjustable.
10. the detachable central switch cabinet earth handcart of contact arm according to claim 9, is characterized in that: described vehicle frame (5) bottom is provided with chassis (8), and described chassis (8) are provided with the some rollers being convenient to described vehicle frame (5) movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493930.0U CN204179556U (en) | 2014-08-29 | 2014-08-29 | The detachable central switch cabinet earth handcart of a kind of contact arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493930.0U CN204179556U (en) | 2014-08-29 | 2014-08-29 | The detachable central switch cabinet earth handcart of a kind of contact arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204179556U true CN204179556U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420493930.0U Active CN204179556U (en) | 2014-08-29 | 2014-08-29 | The detachable central switch cabinet earth handcart of a kind of contact arm |
Country Status (1)
| Country | Link |
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| CN (1) | CN204179556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376843A (en) * | 2017-01-31 | 2018-08-07 | Ls产电株式会社 | The ground structure of grounding rack |
-
2014
- 2014-08-29 CN CN201420493930.0U patent/CN204179556U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376843A (en) * | 2017-01-31 | 2018-08-07 | Ls产电株式会社 | The ground structure of grounding rack |
| US10320095B2 (en) | 2017-01-31 | 2019-06-11 | Lsis Co., Ltd. | Earthing structure of earthing truck |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |