CN111816494A - Double-operation-shaft three-station mechanism of inflatable cabinet and interlocking device thereof - Google Patents
Double-operation-shaft three-station mechanism of inflatable cabinet and interlocking device thereof Download PDFInfo
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- CN111816494A CN111816494A CN202010742277.7A CN202010742277A CN111816494A CN 111816494 A CN111816494 A CN 111816494A CN 202010742277 A CN202010742277 A CN 202010742277A CN 111816494 A CN111816494 A CN 111816494A
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- plate
- interlocking
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a double-operating-shaft three-station mechanism of an inflatable cabinet and an interlocking device thereof, which are characterized by comprising a supporting piece, a guide plate, a screw rod and a limiting rod I, wherein the supporting piece, the guide plate, the screw rod and the limiting rod I are arranged between a mounting plate II and a mounting plate III; the first transmission gear is meshed with the second transmission gear, the axis of the second transmission gear is connected with the second mounting plate, and the operating handle penetrates through the first mounting plate and then is connected with the axis of the second transmission gear; the outer side of the first mounting plate is provided with an interlocking plate, the interlocking plate is provided with a hook used for shifting the left leaf spring and a limit nail used for shifting the right leaf spring in the movement process, the interlocking plate is further provided with a hole matched with an interlocking rod, and a movable handle shaft is fixed on the outer side of the interlocking plate. Compared with the prior art, the invention adopts double-operating-shaft operation, has good interlocking, linkage and anti-starting effects, strong interlocking logic and convenient and reliable locking, unlocking and switching operation of the operating mechanism.
Description
Technical Field
The invention relates to a three-station mechanism of a high-pressure gas-filled switch cabinet, in particular to a double-operating-shaft three-station mechanism and an interlocking device thereof, and belongs to the technical field of driving mechanisms.
Background
The three-station mechanism is used for driving the isolating switch to realize three stations of bus, isolation and grounding, is widely applied to a high-pressure gas-filled switch cabinet body, and is matched with a circuit breaker to switch on and off a main circuit. The operation process mainly relates to three stations of closing, opening and grounding of the isolating switch, namely, when the operation mechanism is positioned at the closing position, the grounding operation can not be carried out, and when the operation mechanism is positioned at the grounding position, the closing operation can not be carried out; therefore, the safety of the isolating switch operating mechanism is ensured, and safety accidents caused by misoperation are prevented.
The existing joint defense interlocking structure of the isolation operation shaft and the grounding operation shaft of the three-station mechanism is not good enough in design and needs to be further improved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the existing three-station mechanism is used for isolating the joint defense interlocking structure of an operating shaft and a grounding operating shaft.
In order to solve the technical problem, the invention provides a double-operating-shaft three-station mechanism of an inflatable cabinet and an interlocking device thereof, which are characterized by comprising a supporting piece, a guide plate, a screw rod and a pair of limiting rods I which are parallel to each other, wherein the supporting piece, the guide plate, the screw rod and the pair of limiting rods I are arranged between a mounting plate II and a mounting plate III; a guide block is fixed on one side of the sliding block, the guide block moves in a pair of limiting rods I which are parallel to each other, and a convex block for limiting the limiting rods I is arranged on the sliding block; the first transmission gear is meshed with the second transmission gear, the axis of the second transmission gear is connected with the second mounting plate, and the operating handle penetrates through the first mounting plate and then is connected with the axis of the second transmission gear; a first limiting plate and a second limiting plate are respectively arranged on two sides of the end part of one end, connected with the first transmission gear, of the screw rod, the bottoms of the first limiting plate and the second limiting plate are connected with a corresponding first limiting rod, a right leaf spring and a left leaf spring are respectively arranged on the first limiting plate and the second limiting plate, an interlocking plate is arranged on the outer side of the first mounting plate, a hook used for shifting the left leaf spring and a limiting nail used for shifting the right leaf spring in the motion process are arranged on the interlocking plate, a hole matched with the interlocking rod is further formed, and a movable handle shaft is fixed on the outer side of; two ends of the screw rod are respectively provided with a first limiting block; a reset torsion spring for resetting the second limiting plate and the first limiting plate is arranged between the second limiting plate and the first limiting plate; three connecting plates are arranged on the supporting piece, a protruding structure is arranged on each connecting plate, each connecting plate is connected with an interlocking rod, and a reset pressure spring for resetting the connecting plates is sleeved at one end of each interlocking rod; the guide plate is formed by splicing the first plate and the second plate, a hexagonal hole is formed in the splicing position of the first plate and the second plate, the hexagonal hole is matched with the hexagonal part of the end part of the guide block, when the end part of the guide block is completely matched with the hexagonal hole, the edges of the first plate and the second plate are mutually attached, and when the end part of the guide block is not completely matched with the hexagonal hole, the first plate and the second plate are in a separated state.
Preferably, a limiting block II is fixed on the limiting rod I.
Preferably, the screw rod is engaged with the sliding block through threads.
Preferably, the other side of the first limiting plate, which is opposite to the screw rod, is provided with a second limiting rod.
Preferably, the first mounting plate is provided with a first hole, a second hole and a plurality of holes for inserting the movable handle shaft; the panel is arranged on the outer side of the first mounting plate, a hole A, a hole B and a strip-shaped hole are formed in the panel, the operating handle is inserted into the hole A and the hole I or inserted into the hole B and the hole II, and the moving handle shaft penetrates through the strip-shaped hole and is inserted into the hole in the first mounting plate.
Preferably, when the isolating switch is in the isolating position, the movable handle shaft drives the interlocking plate to move along the first mounting plate under the action of external force; when the interlocking plate moves to the isolation-grounding operation hole, the hook on the interlocking plate touches the left leaf spring to drive the second limiting plate to rotate, the operation handle can only rotate towards the direction that the sliding block moves towards one side of the grounding position, and when the sliding block moves towards the opposite direction, the first limiting plate is limited at the second limiting plate;
when the three stations are in the grounding position, the slide block moves to the connecting plate and contacts with the protruding structure of the connecting plate, and the connecting plate drives the interlocking rod to move towards the operation panel under the driving of the slide block until the connecting plate is inserted into a hole on the interlocking plate, which is matched with the interlocking rod;
when the isolating switch returns to the isolating position, the movable handle shaft drives the interlocking plate to move along the first mounting plate under the action of external force; when the interlocking plate moves to the isolation-closing operation hole, a limiting nail on the interlocking plate is in contact with the right leaf spring, so that the interlocking plate is bent to drive a limiting plate I to rotate, the operating handle can only rotate towards the closing position at the moment, and the limiting plate I on the screw rod limits the position of the limiting plate I when the operating handle rotates in the opposite direction; when the switch-on position is reached, the sliding block moves to a corresponding position, and a first limiting block on the screw rod limits the position of a corresponding bump on the sliding block;
when the three stations are in the switching-on position, the slide block moves to the position of the connecting plate and contacts with the connecting plate, and the connecting plate drives the interlocking rod to move towards the panel until the interlocking rod is inserted into a hole, matched with the interlocking rod, on the interlocking plate.
Compared with the prior art, the invention adopts double-operating-shaft operation, has good interlocking, linkage and anti-starting effects, strong interlocking logic and convenient and reliable locking, unlocking and switching operation of the operating mechanism.
Drawings
FIG. 1 is a front view of a dual-operation-axis three-position mechanism of an inflatable cabinet and an interlocking device thereof provided by the invention;
FIG. 2 is a top view of FIG. 1;
FIGS. 3 and 4 are perspective views of the dual-operation-shaft three-station mechanism of the inflatable cabinet and the interlocking device thereof at different angles respectively;
FIG. 5 is a schematic view of a guide plate;
FIG. 6 is a schematic view of a fixation plate;
FIG. 7 is a schematic view of a mounting plate;
FIG. 8 is a schematic view of a panel;
FIG. 9 is a schematic view of the connection of the yoke plate and the interlock lever;
FIG. 10 is a schematic view of a slider;
FIG. 11 is a schematic view of the isolation switch in the isolation position;
FIG. 12 is a schematic view of the three stations in a grounded position;
FIG. 13 is a schematic view of the three stations in the closed position.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
Examples
As shown in fig. 1-10, the dual-operation-shaft three-station mechanism for an inflatable cabinet and the interlocking device thereof provided by the present embodiment includes a supporting member 8, a guiding plate, a screw rod 11 and a pair of mutually parallel limiting rods 9, which are arranged between a second mounting plate 4 and a third mounting plate 5, wherein one end of the screw rod 11 is connected with the axis of a first transmission gear 6, and the screw rod 11 is matched with a sliding block 12 sleeved outside the screw rod 11; a guide block 24 is fixed on one side of the sliding block 12, the guide block 24 moves in a pair of mutually parallel limiting rods I9, and a convex block 121 for limiting a limiting block I13 is arranged on the sliding block 12; the first transmission gear 6 is meshed with the second transmission gear 7, the axis of the second transmission gear 7 is connected with the second mounting plate 4, and the operating handle 1 penetrates through the first mounting plate 3 and then is connected with the axis of the second transmission gear 7; a first limiting plate 17 and a second limiting plate 18 are respectively arranged on two sides of the end part of one end, connected with a first transmission gear 6, of the screw rod 11, the bottoms of the first limiting plate 17 and the second limiting plate 18 are connected with a first corresponding limiting rod 9, a right leaf spring 16 and a left leaf spring 15 are respectively arranged on the first limiting plate 17 and the second limiting plate 18, an interlocking plate 26 is arranged on the outer side of the first mounting plate 3, a hook used for shifting the left leaf spring 15 and a limiting nail 14 used for shifting the right leaf spring 16 in the motion process are arranged on the interlocking plate 26, a hole matched with the interlocking rod 20 is further formed, and a movable handle shaft 2 is fixed on the outer side of the; two ends of the screw rod 11 are respectively provided with a first limiting block 13; a reset torsion spring 19 for resetting the second limit plate 18 and the first limit plate 17 is arranged between the second limit plate 18 and the first limit plate 17; three connecting plates 22 are arranged on the support member 8, a protruding structure is arranged on the connecting plates 22, the connecting plates 22 are connected with the interlocking rod 20, and a reset pressure spring 21 for resetting the connecting plates 22 is sleeved at one end of the interlocking rod 20; the guide plate is formed by splicing a first plate 28 and a second plate 29, a hexagonal hole is formed in the splicing position of the first plate and the second plate, the hexagonal hole is matched with a hexagonal part at the end part of the guide block 24, when the end part of the guide block 24 is completely matched with the hexagonal hole, the edges of the first plate 28 and the second plate 29 are attached to each other, and when the end part of the guide block 24 is not completely matched with the hexagonal hole, the first plate 28 and the second plate 29 are in a separated state.
And a second limiting block 25 is fixed on the first limiting rod 9, and the second limiting block 25 is inserted into the hollow-out part on the guide plate, so that the first limiting rod 9 is not influenced when the first plate 28 and the second plate 29 of the guide plate move.
The screw rod 11 is engaged with the slide block 12 through threads.
And a second limiting rod 23 is arranged on the other side of the first limiting plate 17 relative to the screw rod 11.
The mounting plate I3 is provided with a first hole 31, a second hole 32 and three holes for inserting the movable handle shaft 2; the panel 27 is arranged on the outer side of the first mounting plate 3, the panel 27 is provided with a hole A271, a hole B272 and a strip-shaped hole 273, the operating handle 1 is simultaneously inserted into the hole A271 and the hole I31 or the hole B272 and the hole II 32, and the movable handle shaft 2 penetrates through the strip-shaped hole 273 and is inserted into the hole in the first mounting plate 3.
When the isolating switch is in an isolating position (as shown in fig. 11), the movable handle shaft 2 drives the interlocking plate 26 to move along the mounting plate I3 under the action of external force; when the interlocking plate 26 moves to the isolation-grounding operation hole, the hook on the interlocking plate 26 touches the left leaf spring 15, so that the left leaf spring drives the second limiting plate 18 to rotate, at the moment, the operation handle 1 can only rotate towards the direction that the sliding block 12 moves towards one side of the grounding position, and when the sliding block 12 moves towards the opposite direction, the first limiting block 13 limits the position of the second limiting plate 18;
when the three stations are in the grounding position (as shown in fig. 12), the slide block 12 moves to the connecting plate 22 and contacts with the convex structure of the slide block, and the connecting plate 22 drives the interlocking rod 20 to move towards the operation panel under the driving of the slide block 12 until the interlocking rod is inserted into the hole, matched with the interlocking rod 20, on the interlocking plate 26;
when the disconnecting switch returns to the disconnecting position (as shown in fig. 11), the movable handle shaft 2 drives the interlocking plate 26 to move along the mounting plate I3 under the action of external force; when the interlocking plate 26 moves to the isolation-closing operation hole, the limiting nail 14 on the interlocking plate 26 is in contact with the right leaf spring 16, so that the right leaf spring is bent to drive the first limiting plate 17 to rotate, the operating handle 1 can only rotate towards the closing position, and the first limiting plate 13 on the screw rod 11 is limited at the first limiting plate 17 when the operating handle 1 rotates in the opposite direction; when the switch-on position is reached, the sliding block 12 moves to the corresponding position, and at the moment, the first limit block 13 on the screw rod 11 is limited at the corresponding bump 121 on the sliding block 12;
when the three stations are in the on position (as shown in figure 13) the slide 12 is moved to and in contact with the yoke plate 22 and the yoke plate 22 drives the interlock rod 20 towards the face plate 27 until it is inserted into the hole in the interlock plate 26 which mates with the interlock rod 20.
Claims (6)
1. A double-operating-shaft three-station mechanism of an inflatable cabinet and an interlocking device thereof are characterized by comprising a supporting piece (8), a guide plate, a screw rod (11) and a pair of limiting rods (9) which are parallel to each other, wherein the supporting piece (8), the guide plate, the screw rod (11) and the pair of limiting rods (9) are arranged between a mounting plate II (4) and a mounting plate III (5), one end of the screw rod (11) is connected with the axle center of a transmission gear I (6), and the screw rod (11) is matched with a sliding block (12); a guide block (24) is fixed on one side of the sliding block (12), the guide block (24) moves in a pair of mutually parallel limiting rods I (9), and a convex block (121) for limiting a limiting block I (13) is arranged on the sliding block (12); the first transmission gear (6) is meshed with the second transmission gear (7), the axis of the second transmission gear (7) is connected with the second mounting plate (4), and the operating handle (1) penetrates through the first mounting plate (3) and then is connected with the axis of the second transmission gear (7); a first limiting plate (17) and a second limiting plate (18) are respectively arranged on two sides of one end part of a screw rod (11) connected with a first transmission gear (6), the bottoms of the first limiting plate (17) and the second limiting plate (18) are connected with a corresponding first limiting rod (9), a right leaf spring (16) and a left leaf spring (15) are respectively arranged on the first limiting plate (17) and the second limiting plate (18), an interlocking plate (26) is arranged on the outer side of a first mounting plate (3), a hook used for shifting the left leaf spring (15) and a limiting nail (14) used for shifting the right leaf spring (16) in the movement process are arranged on the interlocking plate (26), a hole matched with the interlocking rod (20) is further formed, and a movable handle shaft (2) is fixed on the outer side of the interlocking plate (26; two ends of the screw rod (11) are respectively provided with a first limiting block (13); a reset torsion spring (19) for resetting the second limiting plate (18) and the first limiting plate (17) is arranged between the second limiting plate (18) and the first limiting plate (17); three connecting plates (22) are arranged on the supporting piece (8), a protruding structure is arranged on each connecting plate (22), each connecting plate (22) is connected with an interlocking rod (20), and a reset pressure spring (21) used for resetting each connecting plate (22) is sleeved at one end of each interlocking rod (20); the guide plate is formed by splicing a first plate (28) and a second plate (29), a hexagonal hole is formed in the splicing position of the first plate and the second plate, the hexagonal hole is matched with a hexagonal part at the end part of the guide block (24), when the end part of the guide block (24) is completely matched with the hexagonal hole, the edges of the first plate (28) and the second plate (29) are mutually attached, and when the end part of the guide block (24) is not completely matched with the hexagonal hole, the first plate (28) and the second plate (29) are in a separated state.
2. The double-operating-shaft three-position mechanism and the interlocking device thereof of the inflatable cabinet as claimed in claim 1, wherein a second limiting block (25) is fixed on the first limiting rod (9).
3. The double-operating-shaft three-position mechanism and the interlocking device thereof of the gas-filled cabinet as claimed in claim 1, wherein the screw rod (11) is engaged with the slide block (12) through threads.
4. The double-operating-shaft three-position mechanism and the interlocking device thereof of the inflatable cabinet as claimed in claim 1, wherein a second limiting rod (23) is arranged on the other side of the first limiting plate (17) relative to the screw rod (11).
5. The double-operating-shaft three-position mechanism and the interlocking device thereof of the inflatable cabinet as claimed in claim 1, wherein the mounting plate I (3) is provided with a hole I (31), a hole II (32) and a plurality of holes for inserting the movable handle shaft (2); the utility model discloses a portable electric tool, including mounting panel (3), operating handle (1), panel (27), be equipped with hole A (271), hole B (272) and bar hole (273) on the panel (27), operating handle (1) is inserted simultaneously and is located in hole A (271) and hole one (31) or insert simultaneously and locate in hole B (272) and hole two (32), and removal handle axle (2) pass bar hole (273) and insert and locate in the hole on mounting panel (3).
6. The inflatable cabinet double-operating-shaft three-position mechanism and the interlocking device thereof as claimed in claim 1, wherein when the isolating switch is in the isolating position, the moving handle shaft (2) drives the interlocking plate (26) to move along the first mounting plate (3) under the action of external force; when the interlocking plate (26) moves to the isolation-grounding operation hole, the hook on the interlocking plate (26) touches the left leaf spring (15) to drive the second limiting plate (18) to rotate, the operation handle (1) can only rotate towards the direction that the sliding block (12) moves towards one side of the grounding position, and when the sliding block (12) moves towards the opposite direction, the first limiting block (13) is limited at the second limiting plate (18);
when the three stations are in the grounding position, the sliding block (12) moves to the position of the connecting plate (22) and is in contact with the protruding structure of the connecting plate, and the connecting plate (22) drives the interlocking rod (20) to move towards the operation panel under the driving of the sliding block (12) until the interlocking rod is inserted into a hole, matched with the interlocking rod (20), in the interlocking plate (26);
when the isolating switch returns to the isolating position, the movable handle shaft (2) drives the interlocking plate (26) to move along the mounting plate I (3) under the action of external force; when the interlocking plate (26) moves to the isolation-closing operation hole, a limiting nail (14) on the interlocking plate (26) is in contact with a right leaf spring (16) to enable the interlocking plate to bend to drive a first limiting plate (17) to rotate, the operating handle (1) can only rotate towards the closing position, and a first limiting block (13) on the screw rod (11) is limited at the first limiting plate (17) when the operating handle (1) rotates in the opposite direction; when the switch-on position is reached, the sliding block (12) moves to a corresponding position, and at the moment, a first limit block (13) on the screw rod (11) limits the position of a corresponding bump (121) on the sliding block (12);
when the three stations are in the closing position, the slide block (12) moves to the position of the connecting plate (22) and contacts with the connecting plate, and the connecting plate (22) drives the interlocking rod (20) to move towards the panel (27) until the interlocking rod is inserted into a matching hole of the interlocking plate (26) and the interlocking rod (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010742277.7A CN111816494A (en) | 2020-07-29 | 2020-07-29 | Double-operation-shaft three-station mechanism of inflatable cabinet and interlocking device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010742277.7A CN111816494A (en) | 2020-07-29 | 2020-07-29 | Double-operation-shaft three-station mechanism of inflatable cabinet and interlocking device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111816494A true CN111816494A (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010742277.7A Pending CN111816494A (en) | 2020-07-29 | 2020-07-29 | Double-operation-shaft three-station mechanism of inflatable cabinet and interlocking device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111816494A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036653A (en) * | 2021-05-06 | 2021-06-25 | 上海电气集团股份有限公司 | Safety isolation device for switch cabinet |
| CN113936940A (en) * | 2021-10-19 | 2022-01-14 | 江苏大烨智能电气股份有限公司 | Lower door interlock of direct-acting upper isolating circuit breaker |
-
2020
- 2020-07-29 CN CN202010742277.7A patent/CN111816494A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036653A (en) * | 2021-05-06 | 2021-06-25 | 上海电气集团股份有限公司 | Safety isolation device for switch cabinet |
| CN113036653B (en) * | 2021-05-06 | 2023-07-07 | 上海电气集团股份有限公司 | Safety isolation device for switch cabinet |
| CN113936940A (en) * | 2021-10-19 | 2022-01-14 | 江苏大烨智能电气股份有限公司 | Lower door interlock of direct-acting upper isolating circuit breaker |
| CN113936940B (en) * | 2021-10-19 | 2024-04-26 | 江苏大烨智能电气股份有限公司 | Lower door interlock of direct-acting upper isolation breaker |
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