CN103280374A

CN103280374A - Transmission mechanism used for outdoor high-voltage vacuum switch

Info

Publication number: CN103280374A
Application number: CN2013101974088A
Authority: CN
Inventors: 侯亚平; 张交锁; 陈涛; 国世峥
Original assignee: SHENYANG HUALI ENERGY EQUIPMENT MANUFACTURING Co Ltd; SHENYANG HUADE HIGH-TECH ELECTRIC Co Ltd
Current assignee: SHENYANG HUALI ENERGY EQUIPMENT MANUFACTURING Co Ltd; SHENYANG HUADE HIGH-TECH ELECTRIC Co Ltd
Priority date: 2013-05-24
Filing date: 2013-05-24
Publication date: 2013-09-04
Anticipated expiration: 2033-05-24
Also published as: CN103280374B

Abstract

The invention discloses a transmission mechanism used for an outdoor high-voltage vacuum switch, which overcomes the defects that the existing rotary transmission mechanism is complex in structure, large in size, high in cost, low in efficiency and difficult in water resistance, and the state that the switching on and opening of a three-phase arc extinguish chamber have the same period cannot be ensured, and is characterized in that two mounting plates are arranged on each fixed frame which is connected with the connecting plates and a transmission rod through a first hinge pin and is connected with the connecting plates and a conveying rod through a second hinge pin; the other end of each transmission rod supporting plate is connected and fixed with a third hinge pin on each fixed frame; the other end of each conveying rod supporting plate is connected and fixed with a fourth hinge pin on each fixed frame; when the conveying rod is pushed rightwards, the opening of the arc extinguish chamber is realized; when the conveying rod is pushed leftwards, the switching on of the arc extinguish chamber is realized; and a rain cover is arranged on the outer sides of the fixed frames. The transmission mechanism has the beneficial effects that the structure is simple, the size is small, the cost is low, the water-proof effect is good, the efficiency is high, the switching on and the opening of the three-phase arc extinguish chamber are guaranteed to have the same period, each fixed frame is an independent unit, the exchangeability is good, the standard production is realized, and the mounting, repair and replacement are convenient.

Description

A kind of transmission mechanism for the outdoor high-voltage vacuum switch

Technical field

The invention belongs to high voltage electrical apparatus technical field, particularly a kind of transmission mechanism for the outdoor high-voltage vacuum switch.

Background technology

Transmission mechanism is the important mechanical organ on the switchgear, plays important effect in whole electric power system.The transmission mechanism that is used for high-voltage switch gear in the prior art is a kind of epicyclic gear, namely at six long side's main shafts the connecting lever axle that is processed with hexagonal hole is installed, this connecting lever axle is connected by straight pin with the spring operating mechanism output shaft, axially being equipped with equidistantly on six side's main shafts that three covers place respectively in the independent rack is the quadric chain of the strong point with six side's main shafts, when spring operating mechanism is carried out breaking-closing operating, make six side's main axis rotation by the connecting lever axle, and then drive three cover quadric chains actions, realize the breaking-closing operating of arc control device, this transmission mechanism complex structure, volume is big, the cost height, efficient is low, be difficult for waterproof, and be difficult to guarantee the same periodicity of three-phase arc control device divide-shut brake.

Summary of the invention

Problem to be solved by this invention is, overcomes deficiency and defective that prior art exists, provides simple in structure, and volume is little, and cost is low and be easy to waterproof, can guarantee that three-phase arc control device divide-shut brake is with periodic a kind of transmission mechanism for vacuum high-voltage switch.

The technical solution used in the present invention comprises 3 fixed mounts, 2 connecting plates are installed in each fixed mount, be processed with first pin shaft hole and second pin shaft hole on the described connecting plate, at described fixed mount the 4th bearing pin is installed, and by the 4th bearing pin connection transmission pole support plate, at the transmission pole support plate other end first bearing pin is installed, and be connected with transmission pole with first pin shaft hole of connecting plate by first bearing pin, second bearing pin is installed in second pin shaft hole of connecting plate, and be connected with the driven rod support plate with driven rod by second bearing pin, be mounted on the 3rd bearing pin on the fixed mount at the other end of driven rod support plate.

In the described fixed mount outside U-shaped bucker is installed.

Described fixed mount have 1 be used for switchgear in tank body or the holder that is connected of cabinet, fixed head outside welding 2 after below holder, pegging graft, welding base plate after peg graft in the bottom of fixed head outside 2,2 internal fixation plates of welding after base plate is pegged graft, fixed head outside, 2 blocks of side plates of welding after pegging graft on internal fixation plate and the base plate, be processed with 1 driven rod at holder and pass through the hole, be processed with first installing hole outside on the fixed head, 4 outer fixed head the 4th pin shaft holes and outer fixed head the 3rd pin shaft hole, internal fixation plate be processed with 4 with outside concentric internal fixation plate the 4th pin shaft hole of fixed head the 4th pin shaft hole, be processed with second installing hole and transmission pole passes through the hole at side plate.

Being the arc control device separating brake when described transmission pole pushes away to the right, is that arc control device close a floodgate during to the Zola.

Each fixed mount is a separate unit in described 3 fixed mounts, and structure is identical, can exchange.

Compared with prior art, the invention has the beneficial effects as follows:

(1) owing to adopts plug-type transmission mechanism, be used by connecting plate and transmission pole and driven rod, convert horizontal direction power to vertical forces, realize the breaking-closing operating of three-phase arc control device, it is the arc control device separating brake when transmission pole pushes away to the right, be that arc control device close a floodgate during to the Zola, than the structure of existing mechanism by six side's main axis rotation realization arc control device divide-shut brake, not only simple in structure, volume is little, cost is low, and the efficient height, can guarantee the same periodicity of three-phase arc control device divide-shut brake.

(2) because connecting plate and 3 transmission poles, 3 driven rods, transmission pole support plate, driven rod support plates are mounted in the fixed mount of 6～8mm steel plate welding or aluminium casting by straight pin, neat appearance not only, and realized the waterproof of transmission mechanism, be conducive to outdoor high voltage switchgear and use.

(3) because this transmission mechanism adopts modular mode, and namely each fixed mount can form a separate unit, and interchangeability is good, can standardized production, be convenient to install maintenance and changing.

Description of drawings

Fig. 1 is structural representation of the present invention,

Fig. 2 is A-A cutaway view of Fig. 1,

Fig. 3 is B-B cutaway view of Fig. 2,

Fig. 4 is connecting plate schematic diagram of the present invention,

Fig. 5 is fixed mount front view of the present invention,

Fig. 6 is the vertical view of Fig. 5,

Fig. 7 is C-C cutaway view of Fig. 5.

Among the figure:

1. bucker,

2. transmission pole,

3. driven rod,

4. fixed mount,

4-1. holder, the 4-1-1. driven rod passes through the hole,

4-2. outer fixed head, 4-2-1. first installing hole,

4-2-2. outer fixed head the 4th pin shaft hole, 4-2-3. the 3rd pin shaft hole,

4-3. internal fixation plate, 4-3-1. internal fixation plate the 4th pin shaft hole,

4-4. base plate,

4-5. side plate, 4-5-1. second installing hole, the 4-5-2. transmission pole passes through the hole,

5. connecting plate,

5-1. first pin shaft holes, 5-2. second pin shaft holes, 5-3. fabrication holes,

6. transmission pole support plate,

7. driven rod support plate,

8. first bearing pin,

9. second bearing pin,

10. the 3rd bearing pin,

11. the 4th bearing pin.

Embodiment

Provide the specific embodiment of the present invention below in conjunction with accompanying drawing.

As shown in drawings, the present invention includes three fixed mounts 4, each fixed mount 4 is equipped with 2 connecting plates 5, as shown in Figure 4, be processed with the first bearing pin connecting hole 5-1 on the described connecting plate 5, the second bearing pin connecting hole 5-2 and fabrication hole 5-3, extremely shown in Figure 7 as Fig. 5, described fixed mount 4 have one be used for switchgear in tank body or the holder 4-1 that is connected of cabinet, fixed head 4-2 outside welding 2 after below holder 4-1, pegging graft, welding base plate 4-4 after peg graft in the bottom of fixed head 4-2 outside 2,2 internal fixation plate 4-3 of welding after base plate 4-4 pegs graft, fixed head 4-2 outside, internal fixation plate 4-3 and base plate 4-4 go up the 2 side plate 4-5 of back welding that peg graft, be processed with a driven rod by hole 4-1-1 at holder 4-1, be processed with the first installing hole 4-2-1 outside on the fixed head 4-2,4 outer fixed head first pin shaft hole 4-2-2 and outer fixed head the 3rd pin shaft hole 4-2-3, internal fixation plate 4-3 be processed with 4 with outside the concentric internal fixation plate pin shaft hole 4-3-1 of the fixed head first pin shaft hole 4-2-2, be processed with the second installing hole 4-5-1 and transmission pole by hole 4-5-2 at side plate 4-5, the 4th bearing pin 11 is installed in the outer fixed head first pin shaft hole 4-2-2 of described fixed mount 4 and internal fixation plate pin shaft hole 4-3-1, and by the 4th bearing pin 11 connection transmission pole support plates 6, at transmission pole support plate 6 other ends first bearing pin 8 is installed, and be connected with transmission pole 2 with the first pin shaft hole 5-1 of connecting plate 5 by first bearing pin 8, second bearing pin 9 is installed in the second pin shaft hole 5-2 of connecting plate 5, and be connected with driven rod support plate 7 with driven rod 3 by second bearing pin 9, at the other end of driven rod support plate 7 by being mounted on the 3rd bearing pin 10 on the fixed mount frame 4 with outer fixed head the 3rd pin shaft hole 4-2-3, by bolt U-shaped bucker 1 is installed in fixed mount 4 outsides, the micro gap between U-shaped bucker 1 and the fixed mount 4 seals with glass cement.

During use, transmission pole 2 by the leftmost side is connected with spring operating mechanism, be connected with the transmission mechanism of arc control device by driven rod 3, because the 4th bearing pin 11 and the 3rd bearing pin 10 are fixed on the fixed mount 4, and second bearing pin 9 and first bearing pin 8 move with connecting plate 5, can convert spring operating mechanism divide-shut brake power to vertical force by horizontal force, to the right when transmission axle 2 promotes, drive driven rod 3 by connecting plate 5 and move downward, realize the arc control device separating brake; Otherwise, when transmission axle 2 spurs left, drive driven rod 3 by connecting plate 5 and move upward, realize that arc control device close a floodgate.

Claims

1. transmission mechanism that is used for the outdoor high-voltage vacuum switch, comprise 3 fixed mounts (4), it is characterized in that, 2 connecting plates (5) are installed in each fixed mount (4), be processed with first pin shaft hole (5-1) and second pin shaft hole (5-2) on the described connecting plate (5), at described fixed mount (4) the 4th bearing pin (11) is installed, and by the 4th bearing pin (11) connection transmission pole support plate (6), at transmission pole support plate (6) other end first bearing pin (8) is installed, and be connected with transmission pole (2) with first pin shaft hole (5-1) of connecting plate (5) by first bearing pin (8), second bearing pin (9) is installed in second pin shaft hole (5-2) of connecting plate (5), and be connected with driven rod support plate (7) with driven rod (3) by second bearing pin (9), be mounted on the 3rd bearing pin (10) on the fixed mount (4) at the other end of driven rod support plate (7).

2. according to the described a kind of transmission mechanism for the outdoor high-voltage vacuum switch of claim 1, it is characterized in that, in described fixed mount (4) outside U-shaped bucker (1) is installed.

3. according to the described a kind of transmission mechanism for the outdoor high-voltage vacuum switch of claim 1, it is characterized in that, described fixed mount (4) have 1 be used for switchgear in tank body or the holder (4-1) that is connected of cabinet, fixed head (4-2) outside welding 2 after below holder (4-1), pegging graft, welding base plate (4-4) after pegging graft in the bottom of fixed head outside 2 (4-2), welding 2 internal fixation plates (4-3) after base plate (4-4) is pegged graft, fixed head (4-2) outside, internal fixation plate (4-3) and base plate (4-4) are gone up the back welding 2 blocks of side plates (4-5) of pegging graft, be processed with 1 driven rod by hole (4-1-1) at holder (4-1), be processed with first installing hole (4-2-1) on the fixed head (4-2) outside, 4 outer fixed head the 4th pin shaft holes (4-2-2) and outer fixed head the 3rd pin shaft hole (4-2-3), internal fixation plate (4-3) be processed with 4 with outside concentric internal fixation plate the 4th pin shaft hole (4-3-1) of fixed head the 4th pin shaft hole (4-2-2), be processed with second installing hole (4-5-1) and transmission pole by hole (4-5-2) at side plate (4-5).

4. according to the described a kind of transmission mechanism for the outdoor high-voltage vacuum switch of claim 1, it is characterized in that described transmission pole (2) is the arc control device separating brake when pushing away to the right, is that arc control device close a floodgate during to the Zola.

5. according to the described a kind of transmission mechanism for the outdoor high-voltage vacuum switch of claim 1, it is characterized in that each fixed mount (4) is a separate unit in described 3 fixed mounts (4), structure is identical, can exchange.