CN206894113U - A kind of compact arrester handcart - Google Patents
A kind of compact arrester handcart Download PDFInfo
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- CN206894113U CN206894113U CN201720808230.XU CN201720808230U CN206894113U CN 206894113 U CN206894113 U CN 206894113U CN 201720808230 U CN201720808230 U CN 201720808230U CN 206894113 U CN206894113 U CN 206894113U
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- fixed
- arrester
- vehicle frame
- fuse
- support insulator
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Abstract
The utility model discloses a kind of compact arrester handcart,Including chassis vehicle,The vehicle frame being welded,Arrester,Discharge time detector,Voltage transformer,Support insulator,Contact arm,Moving contact,Fuse,Earth clip and resonance eliminator,Vehicle frame is vertically installed on above chassis vehicle,The middle part at the back side of vehicle frame is provided with concave surface,Support insulator,Contact arm and moving contact are fixed on the upper end at the vehicle frame back side,The upper end of concave surface is fixed with arrester,Concave surface is fixedly arranged in the middle of discharge time detector,Voltage transformer is fixed on the lower end of concave surface,Resonance eliminator is fixed on the top of support insulator,Fuse is fixed by geometrical clamp under geometrical clamp on fuse and fuse,Earth clip is fixed on above chassis vehicle,Arrester,The earth terminal of voltage transformer and resonance eliminator is connected by being grounded with earth clip respectively,The utility model mitigates the inclination and deformation of arrester handcart,So that the cooperation of moving contact and static contact keeps good.
Description
Technical field
Power industry switchgear handcart is the utility model is related to, specifically a kind of compact arrester handcart.
Background technology
Voltage transformer, arrester are the important components of medium voltage switchgear equipment, to meet the requirement of day-to-day operation maintenance,
Needing can be convenient to the progress of voltage transformer, arrester and related component in the case of uninterrupted power supply in electric power system
Maintenance, it is desirable to voltage transformer, arrester and related component be arranged on transportable dolly on, be exactly now it is common
The design of switchgear manufacturer arrester handcart, dolly is mainly by chassis vehicle, vehicle frame, voltage transformer, arrester, molten
The compositions such as disconnected device, but in the application of reality or there are problems that, such as：1st, because the space of dolly is limited, voltage is made
The space arrangement of numerous components such as transformer, arrester, fuse, discharge time detector, earthed system is not enough closed
Reason with attractive in appearance, have no alternative but to tilt installation by some components；2nd, voltage transformer weight is larger, easily causes under gravity small
The inclination and deformation of car, cause contact arm run-off the straight so that dynamic and static contacts mates are bad, and heating is tighter when switchgear is run
Weight；3rd, electrical distance does not have strict control, and electrical body of grounded metal end distance of part component is nearer, easily produces hair
Electrification, have a strong impact on the security performance of switchgear.
Utility model content
Technical problem to be solved in the utility model, just it is to provide a kind of compact arrester handcart, its each component
It is reasonably distributed, mitigates the inclination and deformation of arrester handcart so that the cooperation of moving contact and static contact keeps good, and earth clip
It is bigger with the distance of an electrical body with being grounded.
Solves above-mentioned technical problem, the technical solution adopted in the utility model is as follows：
A kind of compact arrester handcart, it is characterized in that, including chassis vehicle, the vehicle frame being welded, arrester, electric discharge time
Number detector, voltage transformer, support insulator, contact arm, moving contact, fuse, earth clip and resonance eliminator, vehicle frame are vertically installed
Front above chassis vehicle, the middle part at the back side of vehicle frame are provided with to increase installing space and increase the concave surface of intensity, pillar
The vertical vehicle frame of insulator is fixed on the upper end at the vehicle frame back side, and the outer end of support insulator is coaxially fixed with contact arm, the outer end of contact arm
Moving contact coaxially is fixed with, the vertical vehicle frame in upper end of concave surface is fixed with arrester, mounting hole, discharge time are provided with the middle part of concave surface
Detector corresponds to the middle part that mounting hole is fixed on concave surface, and voltage transformer is fixed on the lower end of concave surface, support insulator, arrester
Installation is corresponded to up and down with voltage transformer, and resonance eliminator is fixed on the top of support insulator, and the outer end of support insulator is downwards
Geometrical clamp on the fuse being connected with moving contact is fixed with, the outer end of voltage transformer is fixed with upwardly to be connected with voltage transformer
Geometrical clamp under the fuse connect, geometrical clamp clamps the top and bottom of fuse respectively under geometrical clamp and fuse on fuse,
Earth clip is fixed on above chassis vehicle, and the earth terminal of arrester, voltage transformer and resonance eliminator is respectively by being grounded with connecing
Ground folder connection.
The upper end of the vehicle frame is welded with mounting means, and lower end is welded with bottom plate, and the inner end of mounting means, which is provided with, hangs down
Straight mounting surface, support insulator are perpendicularly fixed on mounting surface, and bottom plate is provided with level board, and level board is close on chassis vehicle
Surface is installed, and vertical reinforcement flanging inwards is provided with two sides of vehicle frame.
The mounting means are provided with horizontal flanging and the vertical flanging positioned at horizontal flanging front end, and circle is provided with vertical flanging
Shape through hole, the bolt of the installation end of support insulator are tightened through manhole and on bolt nut, opened on horizontal flanging
There is the square through hole with the position correspondence of manhole.
Bending part is vertically fixed with above the mounting means, resonance eliminator is fixed on the back side of bending part.
The compact arrester handcart be provided be mounted side by side three support insulators, three contact arms, three moving contacts,
Three arresters, three discharge time detectors, three voltage transformers, three fuses.
Compared with prior art, the utility model has the advantages that：
1st, the middle part at the back side of vehicle frame is provided with concave surface, provides bigger space for the installation of component so that component
Arrangement on handcart is more reasonable, and the frame strength being welded is high, the combination of features described above, alleviates arrester handcart
Tilt and deform so that the cooperation of moving contact and static contact keeps good.
2nd, the installation site of earth clip and ground wire so that earth clip and ground wire are bigger with the distance of an electrical body,
The generation of electric discharge is prevented, meets electric requirement, the ground connection of the component of arrester handcart is collected to be connected to by ground wire to be connect
Ground presss from both sides, then is connected by an earthed system of earth clip and switchgear, and the reliability of ground connection is higher, securely and reliably.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model；
Fig. 2 is the assembling schematic diagram of chassis vehicle and vehicle frame of the present utility model；
Fig. 3 is the dimensional structure diagram of vehicle frame of the present utility model；
Fig. 4 is the positive structure diagram of vehicle frame of the present utility model；
Fig. 5 is the schematic cross-sectional view at A-A in Fig. 4；
Fig. 6 is that vehicle frame of the present utility model removes the schematic diagram after mounting means and bottom plate；
Fig. 7 is the structural representation of mounting means of the present utility model；
Fig. 8 is the structural representation of bottom plate of the present utility model.
Reference implication in figure：
1- resonance eliminators；2- vehicle frames；201- mounting means；202- concave surfaces；203- bottom plates；204- strengthens flanging；205-
Mounting hole；206- square through holes；The horizontal flangings of 207-；The vertical flangings of 208-；209- bending parts；3- arresters；4- discharge times
Detector；5- voltage transformers；6- earth clips；7- chassis vehicles；8- fuses；9- support insulators；11- contact arms；12- is dynamic to be touched
Head；Geometrical clamp on 13- fuses；Geometrical clamp under 14- fuses；15- clamping heads.
Embodiment
The utility model is further described with reference to embodiment.
A kind of compact arrester handcart as shown in Figure 1, including chassis vehicle 7, the vehicle frame 2, three that is welded are lightning-arrest
5, three, voltage transformer, 11, three moving contacts of contact arm of support insulator 9, three of discharge time detector 4, three of device 3, three
12nd, three fuses 8, earth clip 6 and resonance eliminator 1.Chassis vehicle 7 is existing device, before being respectively equipped with the both sides of chassis vehicle
Trailing wheel, rocking bar connection end is provided with before chassis vehicle, is slipped into together in use, chassis vehicle 7 carries the part being mounted above
In switchgear, rocking bar connection end is shaken by rocking bar so that the part being installed on above chassis vehicle advances or retreated, and realizes
The connection or disconnection of dynamic and static contact.
As shown in Fig. 2 to 8, vehicle frame 2 is vertically installed on the front above chassis vehicle 7, and the middle part at the back side of vehicle frame 2 is provided with recessed
Face 202, the one side of concave surface 202 add the installing space at the vehicle frame back side, on the other hand improve the intensity of vehicle frame 2.Vehicle frame 2
Upper end is welded with mounting means 201, and lower end is welded with bottom plate 203.Because component is installed on vehicle frame 2, to prevent
The deformation of handcart is excessive, and vehicle frame 2 is completed in the form of three pieces of metal plate welds, and the welded intensity of integral type connects compared with bolt
The intensity of binding structure is substantially increased, and three blocks of plates mutually support after welding, and many reinforcements, first device have been filled equivalent to vehicle frame 2
Deform after part assembling and almost can be ignored, meet intensity requirement.Mounting means 201 are provided with horizontal flanging 207 and positioned at water
The vertical flanging 208 of flat-folded side front end, manhole is provided with vertical flanging 208, the bolt of the installation end of support insulator is worn
Cross through hole and nut is tightened on bolt, so as to which support insulator be perpendicularly fixed at before vertical flanging side by side.Rolled in level
It is provided with side and spanner can be stretched into from square through hole 206 with the square through hole of the position correspondence of manhole 206, worker, from
And tighten or unclamp nut.Bottom plate 203 is provided with level board, and level board is close to the installation of the upper surface of chassis vehicle 7 so that vehicle frame 2
Installation it is more firm, vertical reinforcement flanging 204 inwards is provided with two sides of vehicle frame 2, improves the intensity of vehicle frame 2.Upper peace
Piece installing 201 is vertically fixed with bending part 209 above, and resonance eliminator 1 is fixed on the back side of bending part 209.
Contact arm 11 is coaxially fixed with the outer end of support insulator 9, the outer end of contact arm 11 is coaxially fixed with moving contact 12, recessed
The vertical vehicle frame in upper end in face 202 is fixed with arrester 3 side by side, and the middle part of concave surface 202 is provided with mounting hole 205, discharge time side by side
The corresponding mounting hole 205 of detector 4 is fixed on the middle part of concave surface 202, and the front end face of discharge time detector 4 is before vehicle frame 2
Expose, voltage transformer 5 is fixed in the lower end of concave surface 202 side by side, is further Reducing distortion, voltage transformer 5 is as far as possible by branch
The bottom installation at the back side of frame 2, so as to improve the stability of arrester handcart as far as possible, support insulator 9, arrester 3 and voltage are mutual
Sensor corresponds to installation about 5.Due to the design of concave surface 202 so that arrester 3 is become in order in the utility model by original angle mount
Be horizontally mounted, and easier for installation, the overall structure of arrester handcart of discharge time detector 4 and voltage transformer 5
Arrangement is more reasonable.
The outer end of support insulator 9 is fixed with geometrical clamp 13 on the fuse being connected with moving contact 12 downwards, and voltage is mutual
The outer end of sensor 5 is fixed with upwardly geometrical clamp 14 under the fuse being connected with voltage transformer, the He of geometrical clamp 13 on fuse
Geometrical clamp 14 clamps the top and bottom of fuse 8 respectively under fuse.Geometrical clamp under geometrical clamp 13 and fuse on fuse
14 clamping head 15 is formed by the sheet metal of two panels arc, and the end of fuse 8 is clamped between the sheet metal of two panels arc.
The installation site of fuse 8 protrudes, and belongs to more external position, facilitates worker to change fuse 8.
Earth clip 6 is fixed on above bottom plate 203, and earth clip 6 exposes the inner end of chassis vehicle 7, arrester 3, electricity
The earth terminal of pressure transformer 5 and resonance eliminator 1 is connected by being grounded with earth clip 6 respectively, is grounded the table along arrester handcart
Face cabling so that earth clip and ground wire are bigger with the distance of an electrical body, prevent the generation of electric discharge, meet electric requirement.
The ground connection of the component of arrester handcart is collected by ground wire and is connected to earth clip, then passes through earth clip and switchgear
Earthed system connection.
Claims (5)
- A kind of 1. compact arrester handcart, it is characterised in that：Including chassis vehicle, the vehicle frame being welded, arrester, electric discharge time Number detector, voltage transformer, support insulator, contact arm, moving contact, fuse, earth clip and resonance eliminator, the vehicle frame are vertical The front being installed on above the chassis vehicle, the middle part at the back side of the vehicle frame are provided with to increase installing space and increase intensity Concave surface, vertically the vehicle frame is fixed on the upper end at the vehicle frame back side to the support insulator, and the outer end of the support insulator is same Axle is fixed with the contact arm, and the outer end of the contact arm is coaxially fixed with the moving contact, the vertical car in the upper end of the concave surface Frame is fixed with the arrester, and mounting hole is provided with the middle part of the concave surface, and the discharge time detector corresponds to the mounting hole The middle part of the concave surface is fixed on, the voltage transformer is fixed on the lower end of the concave surface, the support insulator, arrester Installation is corresponded to up and down with voltage transformer, and the resonance eliminator is fixed on the top of the support insulator, the support insulator Outer end be fixed with geometrical clamp on the fuse being connected with the moving contact downwards, the outer end of the voltage transformer is upwardly It is fixed with geometrical clamp under the fuse being connected with the voltage transformer, geometrical clamp under geometrical clamp and fuse on the fuse The top and bottom of the fuse are clamped respectively, and the earth clip is fixed on above the chassis vehicle, the arrester, electricity The earth terminal of pressure transformer and resonance eliminator is connected by being grounded with the earth clip respectively.
- 2. compact arrester handcart according to claim 1, it is characterised in that：The upper end of the vehicle frame is welded with peace Piece installing, lower end are welded with bottom plate, and the inner end of the mounting means is provided with vertical mounting surface, and the support insulator is vertical It is fixed on the mounting surface, the bottom plate is provided with level board, and the level board is close to the chassis vehicle upper surface installation, Vertical reinforcement flanging inwards is provided with two sides of the vehicle frame.
- 3. compact arrester handcart according to claim 2, it is characterised in that：The mounting means are provided with horizontal flanging It is described to be vertically provided with manhole, the installation of the support insulator on flanging with the vertical flanging positioned at horizontal flanging front end The bolt at end is through the manhole and nut is tightened on bolt, and the position with manhole is provided with the horizontal flanging Put corresponding square through hole.
- 4. compact arrester handcart according to claim 3, it is characterised in that：Vertically fixed above the mounting means There is bending part, the resonance eliminator is fixed on the back side of the bending part.
- 5. the compact arrester handcart according to Claims 1-4 any one, it is characterised in that：The compact is kept away Thunder device handcart be provided with three support insulators being mounted side by side, three contact arms, three moving contacts, described in three Arrester, three discharge time detectors, three voltage transformers, three fuses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720808230.XU CN206894113U (en) | 2017-07-04 | 2017-07-04 | A kind of compact arrester handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720808230.XU CN206894113U (en) | 2017-07-04 | 2017-07-04 | A kind of compact arrester handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206894113U true CN206894113U (en) | 2018-01-16 |
Family
ID=61299394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720808230.XU Active CN206894113U (en) | 2017-07-04 | 2017-07-04 | A kind of compact arrester handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206894113U (en) |
-
2017
- 2017-07-04 CN CN201720808230.XU patent/CN206894113U/en active Active
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