CN213815949U - Five-prevention interlocking structure of ring main unit with small occupied space - Google Patents
Five-prevention interlocking structure of ring main unit with small occupied space Download PDFInfo
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- CN213815949U CN213815949U CN202021747312.6U CN202021747312U CN213815949U CN 213815949 U CN213815949 U CN 213815949U CN 202021747312 U CN202021747312 U CN 202021747312U CN 213815949 U CN213815949 U CN 213815949U
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Abstract
The utility model discloses a space occupies five of little looped netowrk cabinet and prevents interlocking structure, it is including fixing at the epaxial first cam of circuit breaker mechanism, receiving first cam drive carries out the first transmission piece that fluctuates from top to bottom, fixes first transmission piece bottom and follow first transmission piece up-and-down motion realizes sheltering from the piece that shelters from, fixes of isolator mechanism operating axis outer end second cam on the isolator mechanism operating axis, receives second cam drive carries out second transmission piece that fluctuates from top to bottom, fixes just blockking a connecting rod drive unit pivoted at second transmission piece top blocks the piece, fixes circuit breaker mechanism epaxial and with the connecting rod drive unit connection realizes the connection piece of linkage. The utility model discloses can effectively reduce interlocking structure's home range, reduce the space greatly and occupy.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the looped netowrk cabinet, especially, relate to a space occupies five of little looped netowrk cabinet and prevents interlocking structure.
[ background of the invention ]
The ring main unit is an electrical device with a group of high-voltage switch devices arranged in a steel plate metal main unit body or made into an assembled interval ring main unit, and the core part of the ring main unit adopts a load switch and a circuit breaker, so that the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. When the power equipment operates, the closing and opening of the breaker and the load switch have sequential requirements, namely the breaker can be closed only when the isolation mechanism is in a closing state; after the breaker is switched on, the isolating mechanism cannot perform switching-off operation, and can perform switching-off operation after the breaker is switched off; when the isolating mechanism is opened, the breaker can not carry out closing operation; if the operation is violated the above principle, the internal circuit is easily damaged, causing the short circuit and burning out the components. However, in actual operation, there is a risk of misoperation, which damages circuit elements inside the ring main unit, and therefore, it is very necessary to interlock the ring main unit. However, with the increase of functions and the reduction of space volume, the original chain structure can not meet the space requirement.
Therefore, there is a need to provide a new five-prevention interlocking structure of a ring main unit with small space occupation to solve the above problems.
[ Utility model ] content
The utility model aims to provide a space occupies five of little looped netowrk cabinet and prevents interlocking structure, can effectively reduce interlocking structure's home range, reduces the space greatly and occupies.
The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a space occupies five of little looped netowrk cabinet and prevents interlocking structure, its is including fixing at the epaxial first cam of circuit breaker mechanism, receiving first cam drive carries out the first transmission piece that fluctuates from top to bottom, fixes first transmission piece bottom and follow the first transmission piece up-and-down motion is realized sheltering from the piece that shelters from of isolator mechanism action shaft outer end, is fixed second cam on the isolator mechanism action shaft, receive second cam drive carries out the second transmission piece that fluctuates from top to bottom, fixes just blockking a connecting rod drive unit pivoted and blockking the piece, fix of second transmission piece top circuit breaker mechanism epaxial and with the connecting rod drive unit connection realizes the connection piece of linkage.
Further, first drive plate is hung and is established on a pair of bracing piece, be provided with vertical bar groove on the first drive plate, the tip of bracing piece passes the bar groove.
Furthermore, the first transmission piece is assisted to reset through a reset spring, one end of the reset spring is hung and arranged on the rivet on the first transmission piece, and the other end of the reset spring is hung and arranged on the support rod.
Furthermore, the first transmission piece is of a vertical sheet structure.
Furthermore, a protrusion or a groove bending part which can give way in the front-back direction is formed on the first transmission piece according to the internal structure of the ring main unit.
Further, the shielding plate and the first transmission plate can be arranged into an integral structure or designed into two independent sheet structures.
Furthermore, the tail end of the second transmission piece is provided with a pair of insertion pieces inserted into a clamping groove formed by the second cam and a blocking piece, and the insertion pieces are positioned on two sides of the operating shaft of the isolation mechanism.
Further, a blocking piece arranged at the top end of the second transmission piece extends to the position of the connecting rod transmission unit.
Furthermore, the connecting rod transmission unit comprises a supporting rotating shaft, a connecting lever fixedly arranged on the supporting rotating shaft, a connecting rod with one end hinged to the connecting lever and the other end hinged to the connecting sheet, and a limiting sheet fixed to the tail end of the supporting rotating shaft and matched with the top of the blocking sheet to realize rotation stopping.
Furthermore, the top of blocking the piece is provided with groove structure, realizes through the up-and-down motion that spacing piece blocks and ends or abdicating the rotation.
Compared with the prior art, the utility model relates to a space occupies five protection interlocking structure's of little looped netowrk cabinet beneficial effect lies in: the cam structure is arranged on the main shaft of the circuit breaker mechanism, the cam is used for pushing the first transmission piece to move up and down, and the shielding piece is arranged on the first transmission piece in a matched mode to shield the operating shaft of the isolation mechanism, so that the linkage of a first situation is realized; the operating shaft of the isolating mechanism is provided with a cam structure, the driving sheet is pushed to move up and down, and the top structure of the second driving sheet and the interlocking rotation-stopping limiting sheet are matched to realize rotation-stopping limitation of the operating shaft of the circuit breaker mechanism, so that interlocking under the other condition is realized; through setting first drive plate to vertical sheet structure, compare in original radian structure and with cam articulated connected mode, shortened the motion stroke and the motion space scope of drive plate greatly to can satisfy the chain action demand in less space.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic view of a rear side structure of the embodiment of the present invention;
fig. 3 is a schematic structural view of a main shaft part interlocking of a circuit breaker mechanism according to an embodiment of the present invention;
the figures in the drawings represent:
100 space occupies a small five-prevention interlocking structure of the ring main unit;
1, a main shaft of a breaker mechanism; 2 a first cam; 3 a first transmission piece, 31 strip-shaped grooves and 32 rivets; 4 isolating the mechanism operating shaft; 5, a shielding sheet; 6 a second cam; 7 second transmission sheet, 71 insertion sheet; 8 connecting rod transmission units, 81 support rotating shafts, 82 crank arms, 83 connecting rods and 84 limiting pieces; 9 a blocking sheet; 10 connecting sheets; 11 supporting rods; 12 return spring.
[ detailed description ] embodiments
Example (b):
referring to fig. 1 to fig. 3, the embodiment is a five-prevention interlocking structure 100 of a ring main unit with small space occupation, which is used for interlocking a circuit breaker operating end and an isolation mechanism operating end of the ring main unit to ensure that the two operating ends can operate only according to a set operating sequence; the circuit breaker mechanism comprises a first cam 2 fixed on a main shaft 1 of the circuit breaker mechanism, a first transmission piece 3 driven by the first cam 2 to float up and down, a shielding piece 5 fixed at the bottom of the first transmission piece 3 and capable of shielding the outer end of an operating shaft 4 of the isolation mechanism along with the up-and-down movement of the first transmission piece 3, a second cam 6 fixed on the operating shaft 4 of the isolation mechanism, a second transmission piece 7 driven by the second cam 6 to float up and down, a blocking piece 9 fixed at the top of the second transmission piece 7 and capable of blocking a connecting rod transmission unit 8 to rotate, and a connecting piece 10 fixed on the main shaft 1 of the circuit breaker mechanism and connected with the connecting rod transmission unit 8 to realize linkage.
The breaker mechanism main shaft 1 can be linked with the auxiliary switch and the energy storage spring mechanism respectively by arranging a plurality of crank arms. The tail end of the shaft of the main shaft 1 of the circuit breaker mechanism is provided with a rotary driving groove which is matched with a structure at a switch end of a circuit breaker to realize synchronous rotation, so that the on-off control of the circuit breaker switch is realized.
The end of second drive strap 7 is provided with a pair of inserted sheet 71 that inserts in the draw-in groove that second cam 6 and a separation blade formed, and inserted sheet 71 is located the both sides of isolator mechanism operating axis 4, and the direction of up-and-down motion is realized to cooperation isolator mechanism operating axis 4, and passes through the draw-in groove is realized spacing to the support of second drive strap 7.
The stop plate 9 arranged at the top end of the second transmission plate 7 extends to the position of the connecting rod transmission unit 8. The connecting rod transmission unit 8 comprises a supporting rotating shaft 81, a crank arm 82 fixedly arranged on the supporting rotating shaft 81, a connecting rod 83 with one end hinged with the crank arm 82 and the other end hinged with the connecting sheet 10, and a limiting sheet 84 fixed at the tail end of the supporting rotating shaft 81 and matched with the top of the blocking sheet 9 to realize rotation stopping. The top of blocking piece 9 is provided with groove structure, realizes stopping the commentaries on classics or the rotation of stepping down of blockking of spacing piece 84 through the up-and-down motion.
The working principle of the five-prevention interlocking structure 100 of the ring main unit in the embodiment, which occupies a small space, is as follows: when the isolation mechanism is in a closing state, the second cam 6 is in a stop position, that is, the second transmission piece 7 is in a falling state, the stop piece 9 does not cause a limiting stop to the limiting piece 84, and at this time, the circuit breaker mechanism can perform a closing action; the circuit breaker operating mechanism is switched on, the main shaft 1 of the circuit breaker operating mechanism is switched on and rotates synchronously, the first cam 2 rotates clockwise, and the first transmission piece 3 is pushed to move downwards, so that the shielding piece 5 blocks a switching-on and switching-off operating shaft (namely an isolating mechanism operating shaft 4) of the isolating mechanism, the isolating mechanism cannot perform switching-off operation in the switching-on state of the circuit breaker, and the isolating mechanism can perform switching-off operation only after the circuit breaker is switched off; after the breaker is opened, the main shaft 1 of the breaker mechanism is opened and rotated, the first cam 2 rotates anticlockwise, the first cam 2 is reset to the upper end under the action of the reset spring 12, the shielding piece 5 moves to the abdication position, the shielding of the operation shaft 4 of the isolation mechanism is removed, and the isolation mechanism can perform opening operation; the isolating mechanism separating brake, the operating axis drives the second cam 6 on the operating axis to push away the journey action, jack-up second transmission piece 7 upwards, it is spacing to spacing piece 84 formation blocking through the top structure that blocks piece 9, prevent that support pivot 81 among the connecting rod drive unit 8 from rotating, under the effect is held in pulling of connecting lever 82 and connecting rod 83, realized the splining of circuit breaker mechanism main shaft 1 and injectd, thereby make circuit breaker mechanism can't carry out the combined floodgate operation, the circuit breaker just can close a floodgate when only isolating mechanism combined floodgate state, thereby realize linkage.
In the five-prevention interlocking structure 100 of the ring main unit with small occupied space, the cam structure is arranged on the main shaft of the circuit breaker mechanism, the cam is used for pushing the first transmission piece to move up and down, and the shielding piece is arranged on the first transmission piece in a matching manner to shield the operating shaft of the isolation mechanism, so that the interlocking of the first situation is realized; the operating shaft of the isolating mechanism is provided with a cam structure, the driving sheet is pushed to move up and down, and the top structure of the blocking sheet and the interlocking rotation-stopping limiting sheet are matched to realize rotation-stopping limitation of the operating shaft of the circuit breaker mechanism, so that interlocking under the other condition is realized; through setting first drive plate to vertical sheet structure, compare in original radian structure and with cam articulated connected mode, shortened the motion stroke and the motion space scope of drive plate greatly to can satisfy the chain action demand in less space.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (10)
1. The utility model provides a space occupies five of little looped netowrk cabinet and prevents interlocking structure which characterized in that: it is including fixing the first cam on circuit breaker mechanism main shaft, receiving first cam drive carries out the first transmission piece that fluctuates from top to bottom, fixes first transmission piece bottom and follow first transmission piece up-and-down motion realizes sheltering from the piece that shelters from isolation mechanism operating axis outer end, fixes second cam on the isolation mechanism operating axis, receiving second cam drive carries out the second transmission piece that fluctuates from top to bottom, fixes just block that a link drive unit pivoted blocks the piece at second transmission piece top, fix circuit breaker mechanism main shaft and with the link drive unit connects the connection piece that realizes the linkage.
2. The five-prevention interlocking structure of the ring main unit with small occupied space of claim 1, wherein: first transmission piece is hung and is established on a pair of bracing piece, be provided with vertical bar groove on the first transmission piece, the tip of bracing piece passes the bar groove.
3. The five-prevention interlocking structure of the ring main unit with small occupied space according to claim 2, characterized in that: the first transmission piece is assisted to reset through a reset spring, one end of the reset spring is hung on the rivet on the first transmission piece, and the other end of the reset spring is hung on the support rod.
4. The five-prevention interlocking structure of the ring main unit with small occupied space of claim 1, wherein: the first transmission piece is of a vertical sheet structure.
5. The five-prevention interlocking structure of the ring main unit with small occupied space of claim 1, wherein: the first transmission piece is provided with a bulge or a groove bending part which realizes yielding in the front-back direction according to the internal structure of the ring main unit.
6. The five-prevention interlocking structure of the ring main unit with small occupied space of claim 1, wherein: the shielding piece and the first transmission piece can be arranged into an integral structure or designed into two independent sheet structures.
7. The five-prevention interlocking structure of the ring main unit with small occupied space of claim 1, wherein: the tail end of the second transmission piece is provided with a pair of insertion pieces inserted into a clamping groove formed by the second cam and a blocking piece, and the insertion pieces are positioned on two sides of the operating shaft of the isolation mechanism.
8. The five-prevention interlocking structure of the ring main unit with small occupied space of claim 1, wherein: and the blocking piece arranged at the top end of the second transmission piece extends to the position of the connecting rod transmission unit.
9. The five-prevention interlocking structure of the ring main unit with small occupied space of claim 1, wherein: the connecting rod transmission unit comprises a supporting rotating shaft, a connecting arm fixedly arranged on the supporting rotating shaft, a connecting rod with one end hinged to the connecting arm and the other end hinged to the connecting sheet, and a limiting sheet fixed to the tail end of the supporting rotating shaft and matched with the top of the blocking sheet to realize rotation stopping.
10. The five-prevention interlocking structure of the ring main unit with small occupied space according to claim 9, characterized in that: the top of blocking the piece is provided with groove structure, realizes through the up-and-down motion right spacing piece block the rotation or rotation of stepping down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021747312.6U CN213815949U (en) | 2020-08-20 | 2020-08-20 | Five-prevention interlocking structure of ring main unit with small occupied space |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021747312.6U CN213815949U (en) | 2020-08-20 | 2020-08-20 | Five-prevention interlocking structure of ring main unit with small occupied space |
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| CN213815949U true CN213815949U (en) | 2021-07-27 |
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| CN202021747312.6U Active CN213815949U (en) | 2020-08-20 | 2020-08-20 | Five-prevention interlocking structure of ring main unit with small occupied space |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113873790A (en) * | 2021-09-25 | 2021-12-31 | 廖长寿 | Full-sealed plastic shell operating mechanism of switch cabinet |
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2020
- 2020-08-20 CN CN202021747312.6U patent/CN213815949U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113873790A (en) * | 2021-09-25 | 2021-12-31 | 廖长寿 | Full-sealed plastic shell operating mechanism of switch cabinet |
| CN113873790B (en) * | 2021-09-25 | 2023-06-27 | 廖长寿 | Full-sealed plastic shell operating mechanism of switch cabinet |
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