CN211265334U

CN211265334U - High-voltage isolating switch

Info

Publication number: CN211265334U
Application number: CN202020432529.1U
Authority: CN
Inventors: 杨钒; 黄少杰
Original assignee: Henan Zhezhirui Technology Co ltd
Current assignee: Henan Zhezhirui Technology Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-08-14
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a high-voltage isolating switch, including base, installation storehouse, bearing frame and bull stick, the top of base is fixed with the installation storehouse, and installs the both sides at installation storehouse top and install the bearing frame, the internally mounted of bearing frame has the bull stick, the bottom of bull stick all extends to the inside in installation storehouse, the inside in installation storehouse is provided with drive mechanism, the outside fixed mounting of bull stick has excellent type magnetism post, and the top of bull stick all is fixed with the conducting strip, install the contact between the conducting strip. This high voltage isolator not only hides the drive mechanism of device through installing the installation storehouse to and installation storehouse inside gear, rack, connecting rod, drag the block and constitute drive mechanism, has avoided the erosion of rainwater effectively, has improved the life of device, simultaneously, utilizes and drags the inside through-hole of block, can conveniently connect the multiunit device, and convenient simultaneous transmission is more convenient to use.

Description

High-voltage isolating switch

Technical Field

The utility model relates to a power equipment technical field specifically is a high voltage isolator.

Background

The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation, and needs to be matched with a high-voltage circuit breaker for use, is suitable for an indoor device with three-phase alternating current of 50Hz and rated voltage of 12KV, is connected, disconnected or switched on under the condition of voltage and load of high-voltage equipment, and has the main functions of: the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, the voltage isolation function is realized, the high-voltage electrical appliance and the device cannot be used for cutting off, inputting load current and cutting off short-circuit current, and only can be used for certain switching operation without generating strong electric arcs, namely the high-voltage electrical appliance and the device do not have the arc extinguishing function; divide into according to the installation site difference, indoor formula and outdoor formula divide into according to insulating pillar figure, the mono-pole type, double-column type and three-column type, and each voltage class all has optional equipment, and traditional high voltage isolator can satisfy people's user demand basically, but still has certain problem, and concrete problem is as follows:

1. most of high-voltage isolating switches in the market are usually provided with a transmission mechanism at the top of a base in the using process, the transmission mechanism is exposed in the external environment, and the transmission mechanism is easy to rust and corrode due to long-time use, so that the situation of separation and combination resistance or improper combination and combination is caused;

2. most of high voltage isolator communicates the circuit through the mode of upper and lower conducting strip pressfitting only at the in-process contact position that uses in the existing market, because the elastic deformation of preforming leads to connecting the emergence of the not inseparable condition of opening a circuit easily in the long-time use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high voltage isolator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-voltage isolating switch, includes base, installation storehouse, bearing frame and bull stick, the top of base is fixed with the installation storehouse, and installs the both sides at installation storehouse top and install the bearing frame, the internally mounted of bearing frame has the bull stick, the bottom of bull stick all extends to the inside in installation storehouse, the inside in installation storehouse is provided with drive mechanism, the outside fixed mounting of bull stick type magnetic column, and the top of bull stick all is fixed with the conducting strip, install the contact between the conducting strip.

Preferably, drive mechanism includes gear, rack and drags the piece, the bottom fixed connection of gear and bull stick, be provided with the rack between the gear, the rack all with gear engagement, the intermediate position department at rack top is fixed with the connecting rod, and the top of connecting rod extends to the top of installation storehouse, the top of connecting rod is fixed with drags the piece, the top of installation storehouse is seted up with connecting rod complex spout.

Preferably, the top of the dragging block is provided with anti-slip lines, the top of the dragging block is provided with a rubber pad, and the bottom of the rubber pad is attached to the top of the installation bin.

Preferably, a through hole is formed in the middle of the end of the dragging block, hidden grooves are formed in two ends of the top of the dragging block, fixing holes are formed in the bottoms of the hidden grooves, and the bottom ends of the fixing holes are communicated with the inside of the through hole.

Preferably, the contact includes first fixed block, first guide vane and second fixed block, first fixed block is fixed on the conducting strip, and first fixed block runs through the conducting strip, the top and the bottom of first fixed block all are fixed with first guide vane, be fixed with the second fixed block between the first guide vane, the spring is installed to one side that first fixed block was kept away from to the second fixed block, install the second guide vane on the spring.

Preferably, a cover is fixed on the first guide vane at the top of the first fixing block, and the top of the cover is conical.

Preferably, the bottom of the base is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the installation bin is arranged, and the gear, the rack, the connecting rod and the dragging block inside the installation bin form a transmission mechanism, so that the transmission mechanism of the device is hidden, the erosion of rainwater is effectively avoided, the service life of the device is prolonged, meanwhile, a plurality of groups of devices can be conveniently connected by using the through hole inside the dragging block, the simultaneous transmission is convenient, and the use is more convenient;

2. the device is through the setting of the mechanism that supports of second fixed block, spring and second guide plate constitution between the first guide plate for after the device is used for a long time, first guide plate leads to connecting under the unstable condition because of elastic deformation, utilizes the spring to promote still can have stable being connected between second guide plate and the conducting strip, has avoided the emergence of the condition of opening a circuit effectively, has improved the stability that the device used.

Drawings

FIG. 1 is a schematic front view of the present invention;

fig. 2 is a schematic view of a contact of the present invention;

FIG. 3 is a schematic top view of the transmission mechanism of the present invention;

fig. 4 is a schematic diagram of the structure of the drawing block of the present invention.

In the figure: 1. a base; 2. installing a bin; 3. a bearing seat; 4. a rotating rod; 5. a transmission mechanism; 6. a rod-shaped magnetic column; 7. a conductive sheet; 8. a contact; 9. a gear; 10. a rack; 11. a connecting rod; 12. dragging the block; 13. anti-skid lines; 14. a through hole; 15. hiding the groove; 16. a fixing hole; 17. a first fixed block; 18. a first guide vane; 19. covering; 20. a second fixed block; 21. a spring; 22. a second guide vane.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a high-voltage isolating switch comprises a base 1, an installation bin 2, bearing seats 3 and rotating rods 4, wherein the installation bin 2 is fixed at the top of the base 1, the bearing seats 3 are installed on two sides of the top of the installation bin 2, the rotating rods 4 are installed inside the bearing seats 3, the bottom ends of the rotating rods 4 extend into the installation bin 2, a transmission mechanism 5 is arranged inside the installation bin 2, rod-shaped magnetic columns 6 are fixedly installed on the outer sides of the rotating rods 4, conducting strips 7 are fixed at the tops of the rotating rods 4, and contacts 8 are installed between the conducting strips 7;

the transmission mechanism 5 comprises a gear 9, a rack 10 and a dragging block 12, the gear 9 is fixedly connected with the bottom end of the rotating rod 4, the rack 10 is arranged between the gears 9, the racks 10 are all meshed with the gear 9, a connecting rod 11 is fixed in the middle of the top of the rack 10, the top of the connecting rod 11 extends to the top of the installation bin 2, the dragging block 12 is fixed at the top of the connecting rod 11, a sliding chute matched with the connecting rod 11 is formed in the top of the installation bin 2, the dragging block 12 is dragged to drive the rack 10 to slide in the opening and closing process of the conducting strip 7, and the rack 10 and the gear 9 are meshed, so that the rack 10 slides to drive the gear 9 to reversely rotate, the conducting strip 7 opens, the device is disconnected, and the transmission mechanism is arranged in the installation bin 2, so that the erosion of rainwater is effectively avoided;

the top of the dragging block 12 is provided with anti-skid grains 13, the top of the dragging block 12 is provided with a rubber pad, the bottom of the rubber pad is attached to the top of the installation bin 2, the anti-skid grains 13 on the top of the dragging block 12 are used for facilitating pushing, meanwhile, the rubber pad on the bottom of the supporting block 12 can be used for sealing a sliding chute on the top of the installation bin 2, and the sealing performance of the installation bin 2 is improved;

a through hole 14 is formed in the middle of the end of the dragging block 12, hidden grooves 15 are formed in two ends of the top of the dragging block 12, fixing holes 16 are formed in the bottoms of the hidden grooves 15, the bottom ends of the fixing holes 16 are communicated with the inside of the through hole 14, the two groups of devices can be conveniently connected through a connecting rod by means of the through hole 14 in the dragging block 12, and multiple groups of devices can be conveniently and simultaneously driven;

the contact 8 comprises a first fixing block 17, first guide vanes 18 and a second fixing block 20, the first fixing block 17 is fixed on the conducting strip 7, the first fixing block 17 penetrates through the conducting strip 7, the first guide vanes 18 are fixed at the top and the bottom of the first fixing block 17, the second fixing block 20 is fixed between the first guide vanes 18, a spring 21 is installed on one side, away from the first fixing block 17, of the second fixing block 20, a second guide vane 22 is installed on the spring 21, in the closing process of the conducting strip 7, connection can be achieved through pressing between the two groups of first guide vanes 18, meanwhile, the end portion of the conducting strip 7 can be connected with the second guide vane 22 after entering the contact 8, and the connection effect is enhanced;

a cover 19 is fixed on the first guide vane 18 at the top of the first fixing block 17, and the top of the cover 19 is conical, so that rainwater can be effectively shielded by using the cover 19, and meanwhile, the rainwater is prevented from being accumulated;

the bottom of the base 1 is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skid lines, so that the stability of the device installation is improved.

The working principle is as follows: before the use, install base 1 on the support, accomplish the installation to the device, and switch on, when multiunit used simultaneously, insert the connecting rod inside through-hole 14 between the slippers 12, and fix, in the in-process that the switch used, drag slipper 12, drive rack 10 and slide, because mesh between rack 10 and the gear 9, consequently the slip of rack 10 drives gear 9 antiport simultaneously, conducting strip 7 opens, device disconnection, the closed in-process of switch, will drag slipper 12 and reset, two sets of first blades 18 carry out the centre gripping connection to conducting strip 7, conducting strip 7 tip can extrude the hugging closely to second guide 22 after entering contact 8 simultaneously, be connected with second guide 22, reinforcing connection effect between the conducting strip 7.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high-voltage isolating switch, includes base (1), installation storehouse (2), bearing frame (3) and bull stick (4), its characterized in that: the top of base (1) is fixed with installation storehouse (2), and installs bearing frame (3) in the both sides at installation storehouse (2) top, the internally mounted of bearing frame (3) has bull stick (4), the bottom of bull stick (4) all extends to the inside of installation storehouse (2), the inside of installation storehouse (2) is provided with drive mechanism (5), the outside fixed mounting of bull stick (4) has excellent type magnetic pillar (6), and the top of bull stick (4) all is fixed with conducting strip (7), install contact (8) between conducting strip (7).

2. A high voltage isolator as claimed in claim 1, wherein: drive mechanism (5) are including gear (9), rack (10) and drag piece (12), the bottom fixed connection of gear (9) and bull stick (4), be provided with rack (10) between gear (9), rack (10) all mesh with gear (9), the intermediate position department at rack (10) top is fixed with connecting rod (11), and the top of connecting rod (11) extends to the top of installation storehouse (2), the top of connecting rod (11) is fixed with drags piece (12), the top of installation storehouse (2) is seted up with connecting rod (11) complex spout.

3. A high voltage isolator as claimed in claim 2, wherein: anti-skidding line (13) have been seted up at the top of dragging piece (12), and the top of dragging piece (12) is provided with the rubber pad, the bottom of rubber pad and the top laminating of installation storehouse (2).

4. A high voltage isolator as claimed in claim 2, wherein: the middle position of the end part of the dragging block (12) is provided with a through hole (14), the two ends of the top part of the dragging block (12) are provided with hidden grooves (15), the bottom parts of the hidden grooves (15) are provided with fixed holes (16), and the bottom ends of the fixed holes (16) are communicated with the inside of the through hole (14).

5. A high voltage isolator as claimed in claim 1, wherein: contact (8) are including first fixed block (17), first guide plate (18) and second fixed block (20), first fixed block (17) are fixed on conducting strip (7), and just first fixed block (17) run through conducting strip (7), the top and the bottom of first fixed block (17) all are fixed with first guide plate (18), be fixed with second fixed block (20) between first guide plate (18), spring (21) are installed to one side that first fixed block (17) were kept away from in second fixed block (20), install second guide plate (22) on spring (21).

6. A high voltage disconnector according to claim 5, characterized in that: a cover (19) is fixed on the first guide vane (18) at the top of the first fixed block (17), and the top of the cover (19) is conical.

7. A high voltage isolator as claimed in claim 1, wherein: the bottom of the base (1) is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skid grains.