CN210223827U - Interlocking device for operating mechanism of solid insulation ring main unit and cable chamber door - Google Patents
Interlocking device for operating mechanism of solid insulation ring main unit and cable chamber door Download PDFInfo
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- CN210223827U CN210223827U CN201921551199.1U CN201921551199U CN210223827U CN 210223827 U CN210223827 U CN 210223827U CN 201921551199 U CN201921551199 U CN 201921551199U CN 210223827 U CN210223827 U CN 210223827U
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- interlocking
- interlocking support
- chamber door
- spring
- side walls
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Abstract
Solid insulation looped netowrk cabinet operating device and cable chamber door interlock belongs to looped netowrk cubical switchboard locking tool technical field and includes interlocking support I, interlocking support II, locking lever I, locking lever II, locking lever III, even board I, even board II, horizontal pin, spring I and spring II. The utility model discloses a go up circuit breaker generating line system solid insulation looped netowrk cubical switchboard under isolation in the twinkling of an eye of combined floodgate, can be quick, and the realization of safety is shutting cable chamber door down under the electrified condition, prevents that the human from taking place the contact danger. When needing to overhaul or maintain cable house cable, need to open the ring network switch separating brake, open interlock and could open cable house door, the danger of people's electric shock has been reduced to the probability. And processing is simple, convenient operation has reduced purchasing cost, and more importantly can avoid the emergence of maloperation, protection personal and equipment safety.
Description
Technical Field
The utility model belongs to the technical field of looped netowrk cubical switchboard locker, especially, relate to a solid insulation looped netowrk cabinet operating device and cable chamber door interlock.
Background
In present power supply electrical apparatus trade, according to the five-prevention requirement of high-tension loop network cubical switchboard, the cable chamber door can not be opened to the cabinet body when electrified, prevents that the people from mistake from going into electrified interval. The interlocking device in the switch equipment in the prior art can only realize the interlocking of the grounding switch and the cable chamber door generally, and the breaker switch is not provided with the interlocking, so that the reliability is low.
Therefore, there is a need in the art for a new solution to solve this problem.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the interlocking device of the solid insulation ring main unit operating mechanism and the cable chamber door is used for solving the technical problem that the interlocking device of the switch equipment in the prior art is low in reliability.
The interlocking device of the solid insulation ring main unit operating mechanism and the cable chamber door comprises an interlocking support I, an interlocking support II, a lock rod I, a lock rod II, a lock rod III, a connecting plate I, a connecting plate II, a cross pin, a spring I and a spring II,
the interlocking support I comprises a bottom surface and side walls symmetrically arranged on two sides of the bottom surface, included angles between the bottom surface and the two side walls are both 90 degrees, a fixing hole is formed in the bottom surface of the interlocking support I, through holes with the same size are formed in the upper portions of the two side walls of the interlocking support I respectively, the through holes in the two side walls are coaxial, the bottom surface of the interlocking support I is fixedly installed in a side plate mechanism chamber of the ring main unit after penetrating through the fixing hole through a bolt, and a spring I is arranged in the interlocking support I; the locking rod I penetrates through holes in two side walls of the interlocking support I and the spring I, one end of the locking rod I is connected with one end of the transverse pin through a pin shaft, and one end of the locking rod I is inserted into a locking groove of a cable chamber door; the other end of the transverse pin is connected with a breaker opening interlock of the mechanism chamber; the upper side of the spring I is compressed to a rib bolt of the lock rod I, and the lower side of the spring I is compressed to the bottom of the interlocking support I;
the interlocking support II comprises a bottom surface and side walls which are symmetrically arranged on two sides of the bottom surface, the included angle between the bottom surface and the two side walls is 90 degrees, the bottom surface of the interlocking support II is provided with a fixing hole, the upper parts of the two side walls of the interlocking support II are respectively provided with a through hole with the same size, the through holes on the two side walls are coaxial, the number of the interlocking support II is two,
the bottom surface of one interlocking bracket II is fixedly arranged on a side plate in the mechanism chamber after penetrating through a fixing hole through a bolt, the interlocking bracket II is positioned on the side plate at the near end of the lock rod I,
the bottom surface of the other interlocking support II is fixedly arranged on a side plate in the mechanism chamber after penetrating through the fixing hole through a bolt, and the interlocking support II is positioned on the side plate at the far end of the lock rod I;
one end of the locking rod II is connected with one end shaft of the connecting plate I, and the other end of the locking rod II penetrates through holes in two side walls of the near-end interlocking support II and then extends to a cable chamber door; the other end of the connecting plate I is connected with a circuit breaker switch shaft of the mechanism chamber;
one end of the lock rod III is connected with one end shaft of the connecting plate II, and the other end of the lock rod II penetrates through holes in two side walls of the far-end interlocking support II and extends to a cable chamber door after a spring II arranged in the far-end interlocking support II; the other end of the connecting plate II is connected with a grounding switch shaft of the mechanism chamber; the upper side of the spring II is compressed to the rib bolt of the lock rod III, and the lower side of the spring II is compressed to the bottom of the interlocking support II.
Locking lever I is one long two short square steel welding into the L type, and the horizontal round pin is connected to the short square steel upper end of locking lever I, and the lower extreme is pegged graft with the locked groove of cable chamber door.
The middle part of the short square steel is welded with a baffle which is vertical to the short square steel.
Through the above design scheme, the utility model discloses following beneficial effect can be brought:
the utility model discloses a go up circuit breaker generating line system solid insulation looped netowrk cubical switchboard under isolation in the twinkling of an eye of combined floodgate, can be quick, and the realization of safety is shutting cable chamber door down under the electrified condition, prevents that the human from taking place the contact danger. When needing to overhaul or maintain cable house cable, need to open the ring network switch separating brake, open interlock and could open cable house door, the danger of people's electric shock has been reduced to the probability. And processing is simple, convenient operation has reduced purchasing cost, and more importantly can avoid the emergence of maloperation, protection personal and equipment safety.
Drawings
The invention is further described with reference to the following drawings and detailed description:
fig. 1 is the utility model discloses solid insulation looped netowrk cabinet operating device and cable chamber door interlock's structural schematic.
Fig. 2 is the utility model discloses interlocking support I's among solid insulation looped netowrk cabinet operating device and cable chamber door interlock structural schematic diagram.
Fig. 3 is the utility model discloses interlocking support I among solid insulation looped netowrk cabinet operating device and cable chamber door interlock looks sideways at schematic structure.
Fig. 4 is the utility model discloses interlocking support I overlook the schematic structure diagram among solid insulation looped netowrk cabinet operating device and cable chamber door interlock.
Fig. 5 is the utility model discloses interlocking support II's among solid insulation looped netowrk cabinet operating device and cable chamber door interlock structural schematic diagram.
Fig. 6 is the utility model discloses interlocking support II looks sideways at the schematic structure diagram among solid insulation looped netowrk cabinet operating device and cable chamber door interlock.
Fig. 7 is the utility model discloses the overhead structure schematic diagram of interlocking support II among solid insulation looped netowrk cabinet operating device and cable chamber door interlock.
Fig. 8 is the structural schematic diagram of the locking rod i in the solid insulation ring main unit operating mechanism and the cable chamber door interlocking device of the present invention.
Fig. 9 is the side view structure schematic diagram of locking lever i in the solid insulation ring main unit operating device and the cable chamber door interlock device of the utility model.
Fig. 10 is a schematic view of the overlooking structure of the locking rod i in the solid insulation ring main unit operating mechanism and cable chamber door interlocking device of the present invention.
Fig. 11 is the state schematic diagram of the solid insulation ring main unit operating mechanism and the cable chamber door interlocking device when the ring main unit has power failure.
Fig. 12 is the state diagram of the solid insulation ring main unit operating mechanism and the cable chamber door interlocking device when the ring main unit transmits power.
In the figure, 1-interlocking bracket I, 2-interlocking bracket II, 3-locking rod I, 4-locking rod II, 5-locking rod III, 6-connecting plate I, 7-connecting plate II, 8-transverse pin, 9-spring I, 10-spring II and 11-baffle.
Detailed Description
As shown in the figure, the interlocking device for the solid insulation ring main unit operating mechanism and the cable chamber door comprises an interlocking support I1, an interlocking support II 2, a lock rod I3, a lock rod II 4, a lock rod III 5, a connecting plate I6, a connecting plate II 7, a cross pin 8, a spring I9 and a spring II 10,
the interlocking support I1 comprises a bottom surface and side walls symmetrically arranged on two sides of the bottom surface, included angles between the bottom surface and the two side walls are both 90 degrees, the bottom surface of the interlocking support I1 is provided with a fixing hole, the upper parts of the two side walls of the interlocking support I1 are respectively provided with a through hole with the same size, the through holes on the two side walls are coaxial, the bottom surface of the interlocking support I1 is fixedly arranged in a side plate mechanism chamber of the ring main unit after penetrating through the fixing hole through a bolt, and a spring I9 is arranged in the interlocking support I1; the locking rod I3 penetrates through holes in two side walls of the interlocking support I1 and a spring I9, one end of the locking rod I3 is connected with one end of a transverse pin 8 through a pin shaft, and one end of the locking rod I3 is inserted into a locking groove of a cable chamber door; the other end of the transverse pin 8 is connected with a breaker opening interlock of the mechanism chamber; the upper side of the spring I9 is compressed to a rib bolt of the lock rod I3, and the lower side of the spring I9 is compressed to the bottom of the interlocking support I1;
the interlocking support II 2 comprises a bottom surface and side walls symmetrically arranged on two sides of the bottom surface, the included angle between the bottom surface and the two side walls is 90 degrees, the bottom surface of the interlocking support II 2 is provided with a fixing hole, the upper parts of the two side walls of the interlocking support II 2 are respectively provided with a through hole with the same size, the through holes on the two side walls are coaxial, the number of the interlocking support II 2 is two,
the bottom surface of one interlocking bracket II 2 is fixedly arranged on a side plate in the mechanism chamber after penetrating through a fixing hole through a bolt, the interlocking bracket II 2 is positioned on the side plate at the near end of the lock rod I3,
the bottom surface of the other interlocking bracket II 2 is fixedly arranged on a side plate in the mechanism chamber after penetrating through a fixing hole through a bolt, and the interlocking bracket II 2 is positioned on the side plate at the far end of the lock rod I3;
one end of the locking rod II 4 is connected with one end shaft of the connecting plate I6, and the other end of the locking rod II 4 penetrates through holes in two side walls of the near-end interlocking support II 2 and then extends to a cable chamber door; the other end of the connecting plate I6 is connected with a circuit breaker switch shaft of the mechanism chamber;
one end of the lock rod III 5 is connected with one end shaft of the connecting plate II 7, and the other end of the lock rod II 4 penetrates through holes in two side walls of the far-end interlocking support II 2 and extends to a cable chamber door after a spring II 10 arranged in the far-end interlocking support II 2; the other end of the connecting plate II 7 is connected with a grounding switch shaft of the mechanism chamber; the upper side of the spring II 10 is compressed to the rib bolt of the lock rod III 5, and the lower side of the spring II 10 is compressed to the bottom of the interlocking support II 2.
The locking rod I3 is formed by welding a long square steel and a short square steel 8mmx8mm into an L shape, the surfaces of the locking rods I3 are galvanized, the upper ends of the short square steels of the locking rods I3 are connected with the transverse pin 8, and the lower ends of the locking rods I3 are inserted into a locking groove of a cable chamber door; a baffle plate 11 is welded in the middle of the short square steel, and the baffle plate 11 is perpendicular to the short square steel; the baffle 11 is a 3mm thick cold-rolled steel sheet.
The lock rod II 4 is made of 8mmx8mm square steel through bending, and the surface of the lock rod II is galvanized;
the lock rod III 5 is made of 8mmx8mm square steel through bending, and the surface of the lock rod is galvanized;
the connecting plate I6 is made of a cold-rolled steel plate with the thickness of 5mm, and is subjected to surface galvanization treatment;
the connecting plate II 7 is made of a cold-rolled steel plate with the thickness of 5mm, and is subjected to surface galvanization treatment;
the transverse pin 8 is made of Q235 iron and is subjected to surface galvanization treatment.
This set interlock is installed and is kept apart and realize its function on the lower circuit breaker generating line system solid insulation looped netowrk cabinet, and the cable chamber door of this solid insulation looped netowrk cabinet design is opened the door for the lift-up formula.
The following functions of the interlock in the power transmission and power failure process of the ring main unit are as follows:
1. when the ring main unit needs to supply power, the cable chamber door is closed, and the locking rod I3 which is originally kept at the original position by the spring I9 is pressed downwards by 15mm by the cable chamber door, so that the switching-on/off shaft of the circuit breaker is released;
2. the breaker is opened, at the moment, the connecting plate I6 and the lock rod II 4 are pressed downwards by 15mm according to the rotation of the breaker mechanism shaft, and the cable chamber door is locked;
3. then, the grounding switch on the left side of the ring main unit is switched off, and the connecting plate II 7 and the lock rod III 5 are pressed downwards by the height of 15mm by using a grounding switch shaft, so that a cable chamber door is completely locked;
4. closing the circuit breaker after closing the isolating switch, the circuit breaker closing shaft drives the connecting plate I6 and the locking rod II 4 to rise to the height of 15mm, and the cable chamber door can not be opened due to the charged state of the ring main unit.
The following is the effect of this interlock when the looped netowrk cabinet has a power failure and overhauls:
1. when the ring main unit needs to be powered off, the circuit breaker is firstly opened, and at the moment, the circuit breaker shaft drives the connecting plate I6 and the lock rod II 4 to be pressed downwards by 15mm, so that a cable chamber door is locked;
2. the disconnecting switch is switched off, then the grounding switch is switched on, at the moment, the grounding switch shaft drives the connecting plate II 7 and the lock rod III 5 to be lifted upwards by 15mm, at the moment, the cabinet body is not completely grounded, and the breaker is provided with a fracture;
3. switch on the circuit breaker again, looped netowrk cabinet ground connection completely this moment, and the circuit breaker axle drives even board I6 and II 4 upshifts 15mm height of locking lever, guarantees again this moment under the complete ground connection's of the cabinet body the condition, just can open cable chamber door.
Claims (3)
1. Solid insulation looped netowrk cabinet operating device and cable chamber door interlock, characterized by: comprises an interlocking bracket I (1), an interlocking bracket II (2), a lock rod I (3), a lock rod II (4), a lock rod III (5), a connecting plate I (6), a connecting plate II (7), a cross pin (8), a spring I (9) and a spring II (10),
the interlocking support I (1) comprises a bottom surface and side walls symmetrically arranged on two sides of the bottom surface, included angles between the bottom surface and the two side walls are both 90 degrees, a fixing hole is formed in the bottom surface of the interlocking support I (1), through holes with the same size are formed in the upper portions of the two side walls of the interlocking support I (1), the through holes in the two side walls are coaxial, the bottom surface of the interlocking support I (1) penetrates through the fixing hole through a bolt and then is fixedly installed in a side plate mechanism chamber of the ring main unit, and a spring I (9) is arranged in the interlocking support I (1); the locking rod I (3) penetrates through holes in two side walls of the interlocking support I (1) and a spring I (9), one end of the locking rod I (3) is connected with one end of a transverse pin (8) through a pin shaft, and one end of the locking rod I (3) is inserted into a locking groove of a cable chamber door; the other end of the transverse pin (8) is connected with a breaker opening interlock of the mechanism chamber; the upper side of the spring I (9) is compressed to a rib bolt of the lock rod I (3), and the lower side of the spring I (9) is compressed to the bottom of the interlocking support I (1);
the interlocking support II (2) comprises a bottom surface and side walls symmetrically arranged on two sides of the bottom surface, the included angle between the bottom surface and the two side walls is 90 degrees, the bottom surface of the interlocking support II (2) is provided with a fixing hole, the upper parts of the two side walls of the interlocking support II (2) are respectively provided with a through hole with the same size, the through holes on the two side walls are coaxial, the number of the interlocking support II (2) is two,
the bottom surface of one interlocking bracket II (2) passes through the fixing hole through a bolt and then is fixedly arranged on a side plate in the mechanism chamber, the interlocking bracket II (2) is positioned on the side plate at the near end of the lock rod I (3),
the bottom surface of the other interlocking support II (2) passes through the fixing hole through a bolt and then is fixedly arranged on a side plate in the mechanism chamber, and the interlocking support II (2) is positioned on the side plate at the far end of the lock rod I (3);
one end of the locking rod II (4) is connected with one end of the connecting plate I (6) in a shaft mode, and the other end of the locking rod II (4) penetrates through holes in two side walls of the near-end interlocking support II (2) and then extends to a cable chamber door; the other end of the connecting plate I (6) is connected with a circuit breaker switch shaft of the mechanism chamber;
one end of the lock rod III (5) is connected with one end shaft of the connecting plate II (7), and the other end of the lock rod II (4) penetrates through holes in two side walls of the far-end interlocking support II (2) and then extends to a cable chamber door after a spring II (10) arranged in the far-end interlocking support II (2); the other end of the connecting plate II (7) is connected with a grounding switch shaft of the mechanism chamber; the upper side of the spring II (10) is compressed to the rib bolt of the lock rod III (5), and the lower side of the spring II (10) is compressed to the bottom of the interlocking support II (2).
2. The interlocking device for the operating mechanism and the cable chamber door of the solid insulation ring main unit as claimed in claim 1, wherein: locking lever I (3) are one long one two short square steel and weld into the L type, and horizontal round pin (8) are connected to the short square steel upper end of locking lever I (3), and the lower extreme is pegged graft with the locked groove of cable chamber door.
3. The interlocking device for the operating mechanism of the solid insulation ring main unit and the cable chamber door as claimed in claim 2, wherein: the middle part of the short square steel is welded with a baffle (11), and the baffle (11) is vertical to the short square steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921551199.1U CN210223827U (en) | 2019-09-18 | 2019-09-18 | Interlocking device for operating mechanism of solid insulation ring main unit and cable chamber door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921551199.1U CN210223827U (en) | 2019-09-18 | 2019-09-18 | Interlocking device for operating mechanism of solid insulation ring main unit and cable chamber door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210223827U true CN210223827U (en) | 2020-03-31 |
Family
ID=69921185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921551199.1U Active CN210223827U (en) | 2019-09-18 | 2019-09-18 | Interlocking device for operating mechanism of solid insulation ring main unit and cable chamber door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210223827U (en) |
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2019
- 2019-09-18 CN CN201921551199.1U patent/CN210223827U/en active Active
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