CN207053020U - A kind of intermediate switchgear cabinet Multifunctional repairing handcart - Google Patents
A kind of intermediate switchgear cabinet Multifunctional repairing handcart Download PDFInfo
- Publication number
- CN207053020U CN207053020U CN201720942424.9U CN201720942424U CN207053020U CN 207053020 U CN207053020 U CN 207053020U CN 201720942424 U CN201720942424 U CN 201720942424U CN 207053020 U CN207053020 U CN 207053020U
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- CN
- China
- Prior art keywords
- moving contact
- handcart
- contact group
- switchgear cabinet
- multifunctional repairing
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of intermediate switchgear cabinet Multifunctional repairing handcart, there is provided a kind of Novel mid-mounted formula switch cubicle that is safe and reliable, maintaining easily, easily fix a breakdown overhauls handcart.To achieve the above object, the technical solution adopted in the utility model is：Including chassis vehicle, valve driving device, moving contact group, valve driving device is installed on a chassis, moving contact group is arranged on moving contact group fixed insulation support by detachable connection part, moving contact group fixed insulation support is fixed on valve driving device by moving contact rack, lamina of septum pellucidum is installed on the outside of moving contact rack, the rear portion of chassis vehicle is equipped with handcart counterweight；The engaging tooth of each moving contact movable contact spring is provided with grease groove.The Multifunctional repairing handcart overcomes the defects of common handcart is not easy to observe switch cubicle and handcart cooperation, can intuitively view the immediate cause for influenceing poor location, operation is flexible, safe and convenient.
Description
Technical field
It the utility model is related to a kind of Novel switch cabinet Multifunctional repairing instrument.
Background technology
Intermediate switchgear cabinet is making, in transformation and running, because the reasons such as mechanism wear deformation and maloperation are made
Coordinate into handcart and cabinet occur handcart can not normally shake into, shake out or the poor location failures such as mechanism is blocked, influenceing switch cubicle just
Normal safe operation.
Handcart is the critical piece in intermediate switchgear cabinet, typically there is PT hand car and two kinds of (breaker) handcart of switch.
In the case of switching disjunction, spread after guide rail and can be extracted from switch cubicle it out with hand, to be overhauled or to be changed, because that can use
Pull out, and shape is similar to trolley, so being just called handcart.Main element on handcart has breaker, transformer etc. once
Electrical equipment, circuit breaker cart is the most universal in actual applications.
The essential electrical part of intermediate switchgear cabinet and moving contact etc. are arranged on a handcart, so how to ensure handcart
It is one of important step of such switch cubicle normal work that can pull out and be pushed into switch cubicle to flexibility and reliability.Gone back due to domestic at present
There is no the professional standard that switch cabinet body and handcart coordinate, each main switch cabinet body and breaker manufacturer are producing and processing
During, due to the restriction of company standard and processing technology level, there is the defects of cooperation in terms of some details.Cause
This, manufactures with during Reconstruction in field, existing between handcart and switch cabinet body can not be complete that can extract central switch cabinet out
It is complete supporting so as to influence the phenomenon that handcart normally shakes into and shaken out, it is unfavorable for the safe handling and stable operation of equipment.Handcart and
The matching defect of following several respects is generally there are between switch cabinet body.
1) handcart guide plate and switch cabinet static contact Isolation Valve coordinate bad, after referring to the deformation of handcart guide plate, are oriented to
Plate and switch cabinet static contact Isolation Valve between cooperation position change, easily make switch cabinet shutter propulsive mechanism or so by
Power is uneven, can cause handcart shake into when be not smoothly to advance, can swing, or even cause handcart reliably to shake
Enter to operating position or the failure that can not smoothly shake out generation.
2) there is poor location in handcart moving contact and switch cabinet body static contact, refer to handcart moving contact vividly or after deformation,
Shaken in handcart after, cause to coordinate when dynamic/static contact engages bad, often cause contact to generate heat, particularly big load equipment
Heating can be more serious, contact scorification phenomenon easily occurs, greatly influences the safe operation of equipment.
3) exist between the side valve positioning guide rail and valve mechanism of handcart and work poor, refer to that the side valve of handcart is determined
After mechanically deform occurs for position guide rail or valve mechanism, valve propulsive mechanism shears plate connecting lever axle can be caused to hold away from big, handcart shake into
Difficulty, if side is opened away from big, handcart can be caused to enter car rear-inclined, it is impossible to ensure handcart moving contact and switch cabinet body stationary contact
Head is normal to be combined.
Some nonstandard uses are operated such that the abrasion of switch cabinet internal mechanism in switch cubicle operation, maintenance process
Deformation occurs, and causes the cooperation poor location between handcart and switch cabinet.Influenceed by handcart contour structures, entered in handcart
After entering switch cabinet body, related defects and failure cannot intuitively be found, also influence operating personnel to defect and failure
Analysis, judge and handle.
The content of the invention
In order to solve the maintenance handcart technical problem that background technology is related to, there is provided one kind is safe and reliable, maintains easily, easily
The Novel mid-mounted formula switch cubicle maintenance handcart fixed a breakdown.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of intermediate switchgear cabinet Multifunctional repairing handcart, including chassis vehicle, valve driving device, moving contact group, valve
Drive device is installed on a chassis, and moving contact group is arranged on moving contact group fixed insulation support by detachable connection part,
Moving contact group fixed insulation support is fixed on valve driving device by moving contact rack, is provided with the outside of moving contact rack
Bright dividing plate, the rear portion of chassis vehicle are equipped with handcart counterweight；
The engaging tooth of each moving contact movable contact spring is provided with grease groove.
According to described intermediate switchgear cabinet Multifunctional repairing handcart, the grease groove is the U-shaped oil groove on engaging tooth.
According to described intermediate switchgear cabinet Multifunctional repairing handcart, moving contact group, which is bolted, is fixed on moving contact
Group fixed insulation support.
According to described intermediate switchgear cabinet Multifunctional repairing handcart, moving contact group is made up of upper and lower two action contacts.
According to described intermediate switchgear cabinet Multifunctional repairing handcart, the lamina of septum pellucidum for lucite material every
Plate, lamina of septum pellucidum are arranged on moving contact rack by connecting rod.
The utility model has the advantages that:
Field application shows that the Multifunctional repairing handcart overcomes common handcart and is not easy to observe switch cubicle and handcart cooperation
The defects of, the immediate cause for influenceing poor location can be intuitively viewed, operation is flexible, safe and convenient.The multifunctional examining is manicured
Car can carry out switch cubicle mechanism-trouble maintenance, realize the equal function of power-on serving, safe kernel, practical, there is higher push away
Wide application value.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the dimensional structure diagram of moving contact.
Fig. 3 is the structural representation of moving contact.
In accompanying drawing：1st, chassis vehicle；2nd, handcart counterweight；3rd, moving contact group；4th, valve driving device；5th, lucite every
Backplate；6th, moving contact group fixed insulation support；301st, moving contact；302nd, ring-spring；303rd, grease groove；304th, engage
Tooth.
Embodiment
, when summarizing problem above, with regard to considering to develop a kind of maintenance handcart, installation 6 is adjustable dynamic on a chassis for we
Contact and valve positioning drive unit.After breaker chamber and close/open machine is removed, field of view is open, also to greatest extent
Space for maintenance is reserved.Installation, maintainer's can are apparent from the overall process intuitively observed handcart push-in and extracted out, can
Defect present in engagement process is found exactly, also achieves and overhaul of the equipments is carried out in the case of powered, improve check man
Make efficiency, it is possible to prevente effectively from the generation of failure.
The utility model is described further below in conjunction with the accompanying drawings.
Chassis vehicle 1 uses original circuit breaker chassis, retains original on chassis vehicle and switch cabinet and coordinates blocking device, leads to
Cross observation handcart and shake mated condition during between blocking device and cabinet mechanism, determine whether poor location be present.According to
KYN28 central switch cabinet specifications are divided into two kinds of specifications of 1000mm and 800mm, are adapted to be used cooperatively with KYN28 type central switch cabinets.
Because chassis vehicle uses original circuit breaker chassis, after by transformation, the center of gravity of handcart is preposition, to prevent handcart from going out
It is now partially heavy to topple over phenomenon, at the rear portion of handcart（Part on the outside of switch cubicle）The handcart counterweight set after being computed is installed additional
2, it can be ensured that handcart gravity balance.Inner side described herein, outside each mean the inner or outer side relative to switch cubicle.
Adjustable moving contact group.In KYN28 central switch cabinet practical applications, according to the difference of load current, switch cubicle
Dynamic/static contact specification it is different, in order to adapt to coordinate the static contact group of different size, the moving contact group 3 of the present apparatus uses
Bolt connection or other detachable connections are connected with moving contact group fixed insulation support 6.In actual use, pass through
The can of moving contact group 3 for changing different model realizes used interchangeably.The present apparatus shake into when, pass through watch what is going on contact combine
The mated condition of process, determines whether poor location be present.In addition, local flow improvement is carried out to moving contact, in moving contact and stationary contact
Head engaging tooth 304 has increased grease groove 303.If desired for filling grease operation is carried out, in the grease groove 303 of each movable contact spring 301
Grease is uniformly smeared, in dynamic/static contact cohesive process, has just synchronously completed filling grease operation, it is very simple and convenient.
Valve driving device 4 is installed on the chassis vehicle of the present apparatus, and the valve driving dress during is shaken by observing handcart
The mated condition of driving switch cabinet static contact Isolation Valve is put, determines whether poor location be present.Original circuit breaker cart rear portion is
Breaker, combined floodgate drive mechanism and electric part, are enclosed in casing, occupy the whole latter half of breaker.Breaker hand
The mutual locking of car and cabinet, it can not all observe with the cooperation of propulsive mechanism, with the engagement process of valve driving device.The present apparatus
Eliminate combined floodgate drive mechanism and electric part casing, can be visually seen handcart shake into, shake out during each mechanism arrangement match somebody with somebody
Conjunction and the engagement situation of dynamic/static contact.Lucite is mounted with every backplate 5 in the rear side of moving contact group fixed insulation support 6, both
It can conveniently observe, also achieve security protection.
Moving contact group fixed insulation support 6 is the support of fixed moving contact group, is made using insulating materials, is connected by bolt
Connect and fixed with moving contact group 3.Bolt connection can also use pin connection or other detachable connections.Moving contact group is using normal
Upper three, the moving contact layout type of lower three seen.
Operation principle
The central switch cabinet Multifunctional repairing handcart by chassis vehicle, a set of adjustable moving contact it is upper and lower totally 6 and with switch
Cabinet coordinates blocking device three parts composition, and phase checking device can be installed additional when carrying out nuclear phase operation.Chassis vehicle is according to switch cabinet
Body specification can be matched, and it is two kinds of specifications of 1000mm and 800mm that pressure central switch cabinet, which typically has width, in the conventional KYN28 in the country, bottom
Jiggering top every 1 group of 3 groups of moving contact racks of installation can fix each one of upper and lower moving contact, and moving contact rack rear portion is provided with
Machine glass is conveniently observed and realizes personnel and major loop is effectively isolated, chassis vehicle rear portion installation counterweight, prevent hand every backplate
Car is toppled over.Moving contact group rear end is connected using insulating materials and chassis vehicle, and leading portion takes demountable structure, according to static contact
Specification chooses to install the moving contact to match, and the moving contact of selection is transformed accordingly, facilitates and smears note during power-on serving for static contact
Grease.Valve positioning drive unit can realize the functions such as Locating driver in handcart access switch cabinet, switch cabinet shutter driving.
Carry out switch cubicle making, Reconstruction in field change during breaker and equipment operation as find circuit breaker cart and
Switch cabinet body cooperation is improper, and during the construction of equipment live repair and maintenance, maintenance handcart can be pushed into breaker of switch cabinet
Interior, site operation personnel can easily and intuitively check handcart access switch cabinet positioning track, switch cabinet shutter driving and five
The all processes of anti-mechanism action.When conventional static contact fills grease operation, it is necessary in line outage, pass through manual work
Industry is carried out,, can be by engineered moving contact to quiet in the case where circuit does not have a power failure after this Multifunctional repairing handcart
Contact fills grease, solves the problems, such as that equipment live is difficult to safeguard.After moving contact group is removed, chassis vehicle is pushed into switch cubicle
It is interior, valve is opened by valve driving device, auxiliary bright light torch illumination can check static contact actual conditions, it can be ensured that dimension
Shield personnel grasp the true operation conditions of equipment, equipment can also be avoided to run accident prevention in spite of illness.Fallen carrying out equipment
After changing, Multifunctional repair can also install phase checking device additional, be attached by high-voltage insulating wire and moving contact, it is possible to safety
Easily realize powered nuclear phase operation.
The utility model has advantages below.
Securely and reliably.The moving contact of this Multifunctional repairing handcart is attached by insulating materials and chassis vehicle mounting bracket,
It ensure that the insulation between major loop and maintenance handcart every shield.It is mounted with that lucite every backplate, increases at chassis vehicle rear portion
Add the safe distance at personnel and powered position in maintenance process, human contact's major loop electro-mechanical part in maintenance process can be prevented
Position.
Convenient maintenance.Handcart is overhauled after breaker chamber and close/open machine is removed, field of view is open, also to greatest extent
Space for maintenance is reserved in ground.Moving contact can be carried out after transformation it is powered in the case of grease is filled to static contact, it is dynamic removing
Static contact actual conditions can also be intuitively checked after sets of contacts, maintenance efficiency is high, workable.
Complete function.This Multifunctional repairing handcart can carry out switch cubicle mechanism-trouble maintenance, can also be in electriferous state
Under realize static contact fact check, static contact filling work, the function such as grease it is more complete.
The present apparatus has carried out examination application, examination application in the unit such as Shandong energy Zao Kuang groups Duo Jia collieries and Xue Cheng switchgear planies
As a result show that the present apparatus is safe and reliable, easy to operate, complete function, can aid in pressing the maintenance of central switch cabinet mechanism-trouble in implementing
Operation, realize that static contact fact is checked, static contact fills the work Multifunctional repairing such as grease and nuclear phase operation in the energized state
Equipment, it is practical, there is higher application value.
Claims (5)
1. a kind of intermediate switchgear cabinet Multifunctional repairing handcart, including chassis vehicle（1）, valve driving device（4）, moving contact group
（3）, valve driving device（4）Installed in chassis vehicle（1）On, it is characterised in that：Moving contact group（3）Pass through detachable connection part
Installed in moving contact group fixed insulation support（6）, moving contact group fixed insulation support（6）Valve is fixed on by moving contact rack
Drive device（4）On, lamina of septum pellucidum, chassis vehicle are installed on the outside of moving contact rack（1）Rear portion handcart counterweight is housed（2）；
Each moving contact movable contact spring（301）Engaging tooth（304）It is provided with grease groove（303）.
2. intermediate switchgear cabinet Multifunctional repairing handcart according to claim 1, it is characterised in that：The grease groove
（303）For engaging tooth（304）On U-shaped oil groove.
3. intermediate switchgear cabinet Multifunctional repairing handcart according to claim 1, it is characterised in that：Moving contact group（3）It is logical
Cross bolt connection and be fixed on moving contact group fixed insulation support（6）.
4. intermediate switchgear cabinet Multifunctional repairing handcart according to claim 1, it is characterised in that：Moving contact group（3）It is
It is made up of upper and lower two action contacts.
5. intermediate switchgear cabinet Multifunctional repairing handcart according to claim 1, it is characterised in that：The lamina of septum pellucidum is
The dividing plate of lucite material, lamina of septum pellucidum are arranged on moving contact rack by connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720942424.9U CN207053020U (en) | 2017-07-31 | 2017-07-31 | A kind of intermediate switchgear cabinet Multifunctional repairing handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720942424.9U CN207053020U (en) | 2017-07-31 | 2017-07-31 | A kind of intermediate switchgear cabinet Multifunctional repairing handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207053020U true CN207053020U (en) | 2018-02-27 |
Family
ID=61498542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720942424.9U Expired - Fee Related CN207053020U (en) | 2017-07-31 | 2017-07-31 | A kind of intermediate switchgear cabinet Multifunctional repairing handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207053020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832518A (en) * | 2018-07-17 | 2018-11-16 | 国网山东省电力公司济南市长清区供电公司 | A kind of 10kV switch cabinet phasing handcart |
| CN112563954A (en) * | 2020-11-23 | 2021-03-26 | 国网山东省电力公司惠民县供电公司 | Intelligent operation and detection device for high-voltage switch handcart |
-
2017
- 2017-07-31 CN CN201720942424.9U patent/CN207053020U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832518A (en) * | 2018-07-17 | 2018-11-16 | 国网山东省电力公司济南市长清区供电公司 | A kind of 10kV switch cabinet phasing handcart |
| CN108832518B (en) * | 2018-07-17 | 2019-07-26 | 国网山东省电力公司济南市长清区供电公司 | A kind of 10kV switch cabinet phasing handcart |
| CN112563954A (en) * | 2020-11-23 | 2021-03-26 | 国网山东省电力公司惠民县供电公司 | Intelligent operation and detection device for high-voltage switch handcart |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20180731 |