CN206225868U - Middle-placed switch cabinet tests handcart - Google Patents
Middle-placed switch cabinet tests handcart Download PDFInfo
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- CN206225868U CN206225868U CN201621163894.7U CN201621163894U CN206225868U CN 206225868 U CN206225868 U CN 206225868U CN 201621163894 U CN201621163894 U CN 201621163894U CN 206225868 U CN206225868 U CN 206225868U
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- contact arm
- handcart
- switch cabinet
- connecting rod
- placed switch
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Abstract
The utility model discloses a kind of middle-placed switch cabinet experiment handcart, including chassis vehicle, framework, valve top board, upper contact arm, lower contact arm, wherein, the valve mounting of roof plate is on a chassis, middle-placed switch cabinet valve is opened when being advanced for handcart, the framework is installed on a chassis, frame front end is provided with fixed door-plate, the upper contact arm, lower contact arm is horizontally arranged on framework, upper contact arm, connecting rod is provided with lower contact arm, upper contact arm, the tail end of lower contact arm is provided with groove, spring is installed in groove, connecting rod top connects reading mechanism, tail end is connected after passing through spring with fingertip, the reading mechanism includes gear assembly and scale dial plate, gear assembly is connected with connecting rod top, door-plate is provided with the glass window relative with scale dial plate.Middle-placed switch cabinet experiment handcart described in the utility model can be accurately detected the dynamic and static contact Bite size of middle-placed switch cabinet by reading mechanism and connecting rod, the cooperation of fingertip.
Description
Technical field
The utility model is related to a kind of experiment handcart of switchgear, belongs to electric power switchgear assembly technical field.
Background technology
KYN28A-12 armored central enclosed AC metal switch apparatus（Hereinafter referred to as middle-placed switch cabinet）, it is that one kind is applied to
The complete power distribution equipment of 3.6 ~ 24KV three-phase alternating current 50Hz power systems, is mainly used in power plant, medium and small generator power transmission, work
Ore deposit enterprises and institutions distribution, the electric substation of power system receive power transmission and Large-scale High-Pressure Motor Control etc..Middle-placed switch cabinet has following knot
Structure feature：A, metal armouring is used completely, separate completely between each compartment.B, cabinet shell tightness are high, effectively prevent equipment by each miscellaneous
Thing, animal invasion, up to IP4X, degree of protection is up to IP2X between compartment for shell protection grade.C, vacuum circuit breaker and its operation
Mechanism only needs a small amount of maintenance, and overhauls conveniently.D, rational in infrastructure, five anti-mechanisms are perfect, and equipment is safe and reliable to operation, maintenance side
Just it is quick.E, various domestic or joint breaker, such as VS1, VD4,3AH2 can be adapted to, change that breaker is simple, handcart is mutual
It is transsexual good.In view of above advantage, the middle-placed switch cabinet progressively cabinet type such as substitution GG1A, KGN, XGN at home, as 3.6 ~ 24KV into
Cover the main product of controller switching equipment.
Different according to function, the handcart of middle-placed switch cabinet can be divided into PT handcarts, fuse handcart, metering handcart, isolation handcart, disconnected
Road device handcart, arrester handcart etc., handcart is very important functional unit on middle-placed switch cabinet, is also uniquely may be used on the complete set of equipments
Withdraw-type functional unit, is connected by the moving contact on handcart with electric power major loop, allows for holding in its service life
Operated by up to ten thousand mechanical plugs, be maintained under rated operational current operating mode and run steadily in the long term, and can bear specified short
When tolerance electric current injury, therefore handcart is extremely important with the cooperation of the dynamic and static contact of middle-placed switch cabinet.Handcart is dynamic and static with middle-placed switch cabinet to be touched
The cooperation of head needs to consider following factor：1st, when handcart enters operating position, effective contact area of dynamic and static contact is conformed to
Ask.2nd, when handcart enters operating position, static contact must not occur mechanical interference with handcart contact arm.3rd, handcart is exited to testing position
When, static contact should meet the requirement of safe distance with the air clearance of metal dampers.Summary factor, generally advises dynamic and static
Contact Bite size between 15 ~ 25mm, in particular cases should premised on meeting above-mentioned 3 conditions, carry out Size calculation and
Check.
Before equipment making dispatches from the factory well, tackle the significant dimensions and test, but in view of the design feature of middle-placed switch cabinet, move,
Static contact is hidden in the contact box of handcart room, it is impossible to observe directly the calculating requirement whether Bite size meets 15 ~ 25mm,
Each complete set of equipments producer of the size is generally checked to think many methods, 1, conductive paste or vaseline are smeared on static contact, handcart is pushed away
Retreat out after operation, the vestige left on observation static contact estimates Bite size.2nd, by shaking handcart by propelling resistance
Size estimate Bite size.3rd, peep hole is opened by cabinet side, estimation Bite size is estimated with torch for illumination.But on
State method all inaccurate in the presence of inspection size, error is big, and the problems such as operating process implementation inconvenience.
In view of this, the present inventor is studied the problem, is specially developed a kind of for checking middle-placed switch cabinet dynamic and static
Whether the experiment handcart of contact Bite size, size selection and installation for check valve cabinet contact meet the requirements.
Utility model content
The purpose of this utility model is to provide a kind of middle-placed switch cabinet experiment handcart, for the accurate inspection dynamic and static contact of middle-placed switch cabinet
Bite size.
To achieve these goals, solution of the present utility model is：
Middle-placed switch cabinet tests handcart, including chassis vehicle, framework, valve top board, upper contact arm, lower contact arm, wherein, the valve top
Plate is installed on a chassis, and middle-placed switch cabinet valve is opened when being advanced for handcart, and the framework is installed on a chassis, frame front end
Fixed door-plate is provided with, the upper contact arm, lower contact arm are horizontally arranged on framework, connecting rod is provided with upper contact arm, lower contact arm, it is upper to touch
Arm, the tail end of lower contact arm are provided with groove, and spring is provided with groove, and connecting rod top connection reading mechanism, tail end passes through spring
It is connected with fingertip afterwards, the reading mechanism includes gear assembly and scale dial plate, gear assembly is connected with connecting rod top, door-plate
It is provided with the glass window relative with scale dial plate.
Preferably, the framework is provided with 3 upper contact arm and 3 lower contact arms, 6 phase studies are realized, door-plate is provided with 6
The glass window corresponding with each contact arm.
Preferably, the upper contact arm includes contact arm body, the through hole for accommodating connecting rod is provided with the contact arm body, touched
The tail end of arm body is provided with circular groove, and the diameter with diameter greater than through hole of groove, spring is placed in groove, connecting rod tail end
It is connected with fingertip after through spring, connecting rod is provided with collar stop with fingertip junction, the collar stop external diameter is more than bullet
Spring diameter, groove port is provided with the shrouding for preventing collar stop from ejecting, and, less than the diameter of groove, fingertip can be in groove for fingertip diameter
Free in and out.
Preferably, the lower contact arm structure is identical with upper contact arm.
Preferably, the connecting rod top is provided with sawtooth, the sawtooth is engaged with gear assembly, and reading mechanism can be by
The displacement of fingertip is changed into the rotational angle of gear, then obtains corresponding by the scale dial plate being connected with gear assembly
Dynamic and static contact Bite size.
When the middle-placed switch cabinet experiment wheeler of said structure makees, middle-placed switch cabinet handcart room is pushed by chassis vehicle, and it is fixed；Valve
Push pedal is installed on a chassis, and middle-placed switch cabinet valve is opened when being advanced for handcart；Shake chassis vehicle can will test cart frame
Operating position and testing position are advanced to, after upper contact arm, the fingertip of lower contact arm are contacted with static contact, connecting rod towards top can be driven
Direction is moved, and then drives pinion rotation, and data conversion is carried out by scale dial plate, can accurately be read by glass window
Dynamic and static contact Bite size, makes fingertip reset after off-test by spring.
Middle-placed switch cabinet experiment handcart described in the utility model, can be with essence by reading mechanism and connecting rod, the cooperation of fingertip
Really detect the dynamic and static contact Bite size of middle-placed switch cabinet.With following several advantages：
1st, precisely, it is convenient to observe, and by scale dial plate, reading can be accurate to millimeter for reading, while test handcart only to need to push away
Enter operation once, just can accurately read the Bite size of upper and lower contact arm totally 6 phases；
2nd, flexible and convenient operation, can transport easy to use with the general transport carriage of middle-placed switch cabinet handcart between middle-placed switch cabinet group.
3rd, applicability is wide, can be applied to the middle-placed switch cabinet of Multiple Type.
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
Brief description of the drawings
Fig. 1 is the middle-placed switch cabinet experiment handcart front view of the present embodiment；
Fig. 2 is the middle-placed switch cabinet experiment handcart rearview of the present embodiment；
Fig. 3 is the middle-placed switch cabinet experiment handcart side view of the present embodiment；
Fig. 4 is the middle-placed switch cabinet experiment handcart testing position Test Drawing of the present embodiment.
Specific embodiment
As Figure 1-3, middle-placed switch cabinet experiment handcart, including chassis vehicle 1, framework 2, valve top board 3, upper contact arm 4, lower contact arm
5, wherein, the valve top board 3 is arranged on chassis vehicle 1, and middle-placed switch cabinet valve is opened when being advanced for handcart, and the framework 2 is pacified
On chassis vehicle 1, framework 2 can be advanced to operating position and testing position by shake chassis vehicle 1.The front end of framework 1 is provided with solid
Determine door-plate 6, the upper contact arm 4, lower contact arm 5 are horizontally mounted on the frame 2, and in the present embodiment, the framework 2 is provided with 3
Upper contact arm 4 and 3 lower contact arms 5, can simultaneously realize 6 phase studies.Upper contact arm 4, lower contact arm 5 agent structure it is basically identical, below
Above contact arm 4 is specifically addressed, and the upper contact arm 4 includes being provided with appearance in contact arm body 41 and connecting rod 42, contact arm body 41
Receive the through hole 44 of connecting rod 42, the tail end of contact arm body 41 is provided with circular groove 43, groove 43 it is straight with diameter greater than through hole 44
Footpath, spring 45 is placed in groove 43, the tail end of connecting rod 42 through being connected with fingertip 7 after spring 45, connecting rod 42 and fingertip 7
Junction is provided with collar stop 46, and the external diameter of the collar stop 46 is more than the diameter of spring 45, and 43 mouthfuls of groove is provided with and prevents annular gear
The shrouding 47 of the ejection of block 46, the diameter of fingertip 7 is less than the diameter of groove 43, and fingertip 7 can be freed in and out in groove 43.Connecting rod 42
Top connects reading mechanism 8, and the reading mechanism 8 includes gear assembly 81 and scale dial plate 82, and the top of the connecting rod 42 sets
There is sawtooth, the sawtooth is engaged with gear assembly 81, the displacement of fingertip 7 can be changed into turning for gear by reading mechanism 8
Dynamic angle, then obtain corresponding dynamic and static contact Bite size by with the scale dial plate 82 that gear assembly 81 is connected.Door-plate 6
It is provided with 6 glass windows 61 relative with scale dial plate 82.
As shown in figure 4, when the middle-placed switch cabinet experiment wheeler of said structure makees, middle-placed switch cabinet handcart room is pushed by chassis vehicle 1
9, and it is fixed；Middle-placed switch cabinet valve is opened when valve push pedal 6 is advanced for handcart；Shake chassis vehicle 1 can will test cart frame 2
Operating position and testing position are advanced to, after upper contact arm 4, the fingertip 7 of lower contact arm 5 are contacted with static contact 10, connecting rod can be driven
42 towards top direction（To the right）It is mobile, and then drive gear assembly 81 to rotate, data conversion is carried out by scale dial plate 82, pass through
Glass window 61 can accurately read dynamic and static contact Bite size, fingertip is resetted by spring after off-test.This implementation
Middle-placed switch cabinet experiment handcart described in example by reading mechanism and connecting rod, the cooperation of fingertip, can be accurately detected middle-placed switch cabinet it is dynamic,
Static contact Bite size.With following several advantages：
1st, precisely, it is convenient to observe, and by scale dial plate 82, reading can be accurate to millimeter for reading, while test handcart only needing
Forward operation once, just can accurately read the Bite size of upper and lower contact arm totally 6 phases；
2nd, flexible and convenient operation, can transport easy to use with the general transport carriage of middle-placed switch cabinet handcart between middle-placed switch cabinet group.
3rd, applicability is wide, can be applied to the middle-placed switch cabinet of Multiple Type.
Above-described embodiment and schema and non-limiting product form of the present utility model and style, any art
Appropriate change or modification that those of ordinary skill is done to it, all should be regarded as not departing from patent category of the present utility model.
Claims (5)
1. middle-placed switch cabinet tests handcart, it is characterised in that：Including chassis vehicle, framework, valve top board, upper contact arm, lower contact arm, wherein,
The valve mounting of roof plate on a chassis, install on a chassis by the framework, and frame front end is provided with fixed door-plate, it is described on
Contact arm, lower contact arm are horizontally arranged on framework, and connecting rod is provided with upper contact arm, lower contact arm, and upper contact arm, the tail end of lower contact arm are provided with
Groove, is provided with spring in groove, connecting rod top connection reading mechanism, tail end is connected after passing through spring with fingertip, the reading
Number mechanism includes gear assembly and scale dial plate, and gear assembly is connected with connecting rod top, and door-plate is provided with and scale dial plate phase
To glass window.
2. middle-placed switch cabinet as claimed in claim 1 tests handcart, it is characterised in that：The upper contact arm includes contact arm body, described
Be provided with the through hole for accommodating connecting rod in contact arm body, the tail end of contact arm body is provided with circular groove, groove with diameter greater than through hole
Diameter, spring is placed in groove, and through being connected with fingertip after spring, connecting rod sets connecting rod tail end with fingertip junction
There is collar stop, the collar stop external diameter is more than spring diameter, and groove port is provided with the shrouding for preventing collar stop from ejecting, fingertip
Diameter is less than the diameter of groove, and fingertip can be freed in and out in groove.
3. middle-placed switch cabinet as claimed in claim 2 tests handcart, it is characterised in that：The lower contact arm structure is identical with upper contact arm.
4. middle-placed switch cabinet as claimed in claim 1 tests handcart, it is characterised in that：The connecting rod top is provided with sawtooth, described
Sawtooth is engaged with gear assembly, and the displacement of fingertip is changed into reading mechanism the rotational angle of gear, then by with gear
The scale dial plate that component is connected obtains corresponding dynamic and static contact Bite size.
5. middle-placed switch cabinet as claimed in claim 1 tests handcart, it is characterised in that：The framework is provided with 3 upper contact arm and 3
Lower contact arm, door-plate is provided with 6 glass windows corresponding with each contact arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621163894.7U CN206225868U (en) | 2016-10-31 | 2016-10-31 | Middle-placed switch cabinet tests handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621163894.7U CN206225868U (en) | 2016-10-31 | 2016-10-31 | Middle-placed switch cabinet tests handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206225868U true CN206225868U (en) | 2017-06-06 |
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ID=58789366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621163894.7U Active CN206225868U (en) | 2016-10-31 | 2016-10-31 | Middle-placed switch cabinet tests handcart |
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| Country | Link |
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| CN (1) | CN206225868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374378A (en) * | 2016-10-31 | 2017-02-01 | 杭州恒信电气有限公司 | Centrally installed switchgear test handcart |
-
2016
- 2016-10-31 CN CN201621163894.7U patent/CN206225868U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374378A (en) * | 2016-10-31 | 2017-02-01 | 杭州恒信电气有限公司 | Centrally installed switchgear test handcart |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190418 Address after: 310018 No. 11 street, Hangzhou economic and Technological Development Zone, Zhejiang 91 Patentee after: Hangzhou Electric Power Equipment Manufacture Co., Ltd. Address before: 311301 No. 1, Long Er Road, Linglong Industrial Zone, Ling'an City, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Hengxin Electric Co., Ltd. |
|
| TR01 | Transfer of patent right |