CN220456270U - Switch cabinet interlocking mechanism and switch cabinet - Google Patents
Switch cabinet interlocking mechanism and switch cabinet Download PDFInfo
- Publication number
- CN220456270U CN220456270U CN202322114140.9U CN202322114140U CN220456270U CN 220456270 U CN220456270 U CN 220456270U CN 202322114140 U CN202322114140 U CN 202322114140U CN 220456270 U CN220456270 U CN 220456270U
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- wire rope
- interlocking
- disconnecting switch
- switch
- operating mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 73
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to the technical field of switch cabinets, and discloses a switch cabinet interlocking mechanism, which comprises: the wire rope, one end of the wire rope is connected to a disconnecting switch torsion arm in the disconnecting switch operating mechanism, the other end of the wire rope is connected to a breaker interlocking rod in the breaker operating mechanism, and when the disconnecting switch operating mechanism drives the disconnecting switch to close, the disconnecting switch torsion arm rotates to a working position and the breaker operating mechanism drives the breaker to close through the linkage of the wire rope and the breaker interlocking rod; according to the utility model, the tension degree of the steel wire rope can be regulated through the regulating component, so that the steel wire rope can maintain normal tension, and slipping caused by insufficient tension of the steel wire rope can be prevented, thereby solving the problem that the steel wire rope in the existing interlocking mechanism is easy to fatigue and loose, effectively increasing the stability of the interlocking component, ensuring effective interlocking among the interlocking mechanisms and ensuring the safety of operators during maintenance of the switch cabinet.
Description
Technical Field
The utility model belongs to the technical field of switch cabinets, and particularly relates to a switch cabinet interlocking mechanism and a switch cabinet.
Background
The switch cabinet is an electrical device and mainly used for switching, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of a power system. The components in the switch cabinet mainly comprise a breaker, a disconnecting switch, a load switch, an operating mechanism, a transformer, various protection devices and the like. When the switch cabinet is overhauled, in order to guarantee safety, the circuit breaker is generally adopted to be matched with the isolating switch for use, and an interlocking function is realized through an interlocking mechanism between the circuit breaker and the isolating switch, namely, when the isolating switch is opened, the circuit breaker keeps open, and when the isolating switch is closed, the interlocking mechanism drives the circuit breaker to close, so that the interlocking of the circuit breaker and the isolating switch is realized, the circuit breaker is not closed when the switch cabinet is overhauled, and the safety operation when the switch cabinet is overhauled is convenient.
Traditional interlocking mechanism adopts wire rope to realize generally, and rotation turning arm and circuit breaker interlocking output turning arm that directly keeps apart operating device through wire rope connects realize the function promptly, but wire rope in this interlocking mechanism appears tired not hard up problem easily when long-time use, and wire rope after becoming flexible easily skids for can not in time interlock between circuit breaker and the isolator, influence the safety maintenance of cubical switchboard.
Disclosure of Invention
The utility model aims to provide a switch cabinet interlocking mechanism and a switch cabinet, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
1. a switchgear interlock mechanism comprising:
the wire rope, one end of the wire rope is connected to a disconnecting switch torsion arm in the disconnecting switch operating mechanism, the other end of the wire rope is connected to a breaker interlocking rod in the breaker operating mechanism, and when the disconnecting switch operating mechanism drives the disconnecting switch to close, the disconnecting switch torsion arm rotates to a working position and the breaker operating mechanism drives the breaker to close through the linkage of the wire rope and the breaker interlocking rod; when the disconnecting switch operating mechanism drives the disconnecting switch to open, the disconnecting switch torsion arm rotates to the isolating position and the circuit breaker operating mechanism drives the circuit breaker to open through the linkage of the steel wire rope and the circuit breaker interlocking rod;
the pulley is movably arranged in the cabinet body, the middle part of the steel wire rope is wound on the pulley, and the steel wire rope is tensioned or loosened through the movement of the pulley.
Preferably, a supporting frame is fixed on the inner wall of the cabinet body;
the support frame is provided with a detachable mounting frame which is U-shaped;
both ends of the pulley are movably provided with shaft rods, and the two shaft rods penetrate through the top of the mounting frame.
Preferably, the device further comprises an adjusting mechanism for driving the pulley to move, and the adjusting mechanism comprises:
two telescopic support rods fixed on the support frame, and the two support rods are symmetrically distributed on two sides of the mounting frame;
the shifting forks are connected to the top ends of the two supporting rods and are respectively sleeved at the end parts of the two shaft rods;
the two shaft rods respectively move along the moving grooves on two sides of the mounting frame when the supporting rods stretch out and draw back.
Preferably, the adjusting mechanism further comprises driving pieces symmetrically arranged at the bottom end of the supporting frame, and the two driving pieces respectively drive the two supporting rods to stretch out and draw back.
Preferably, both ends of the steel wire rope are connected with connecting rings, and the two connecting rings are respectively and movably connected with the disconnecting switch torsion arm and the circuit breaker interlocking rod.
Preferably, be provided with plug-in installation component between support frame and the mounting bracket, and installation component includes:
the connecting groove is formed in the support frame, and one side of the inner wall of the connecting groove is provided with a screw groove;
the connecting column is arranged at the bottom end of the mounting frame and is matched with the connecting groove;
the locking screw rod is in threaded connection with one side of the support frame, penetrates through the connecting column and is in screwed connection with the threaded connection groove.
Preferably, the mounting assembly further comprises:
two positioning blocks mounted on the support frame and symmetrically distributed on two sides of the connecting groove;
the positioning grooves are symmetrically formed in the bottom of the mounting frame and correspond to the positioning blocks.
2. The utility model provides a cubical switchboard, includes the cabinet body, isolator operating device, circuit breaker operating device and foretell cubical switchboard interlocking device, wherein isolator operating device embedding installs in the external portion of cabinet, circuit breaker operating device and cubical switchboard interlocking device all set up in the internal portion of cabinet.
Preferably, the outer wall of the cabinet body is hinged with a cover plate capable of covering the isolating switch operating mechanism, one end of the cover plate is also provided with a clamping pin, and one side of the cabinet body is provided with a clamping groove matched with the clamping pin.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the tension degree of the steel wire rope can be regulated through the regulating component, so that the steel wire rope can maintain normal tension, and slipping caused by insufficient tension of the steel wire rope can be prevented, thereby solving the problem that the steel wire rope in the existing interlocking mechanism is easy to fatigue and loose, effectively increasing the stability of the interlocking component, ensuring effective interlocking among the interlocking mechanisms and ensuring the safety of operators during maintenance of the switch cabinet.
(2) On the basis of the beneficial effects, the pulley is disassembled and assembled through the detachable mounting frame, so that the pulley is replaced regularly, the problem that the pulley is seriously worn and is difficult to replace is effectively solved, the stability of the interlocking assembly is further improved, and the normal linkage of the interlocking mechanism is facilitated.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is a side view of the disconnecting switch torsion arm of the present utility model in the operative position;
FIG. 4 is a side view of the disconnecting switch torsion arm of the present utility model in the isolated position;
FIG. 5 is a right side view of the mounting bracket of the present utility model connected to a support bracket;
fig. 6 is an enlarged view at a in fig. 1;
FIG. 7 is an enlarged view at B in FIG. 1;
in the figure: 1. a cabinet body; 2. a shaft lever; 3. an isolating switch operating mechanism; 4. a support frame; 5. isolating switch torsion arms; 6. a circuit breaker interlock lever; 7. a positioning groove; 8. a wire rope; 9. a pulley; 10. locking the screw rod; 11. a driving member; 12. a clamping groove; 13. a cover plate; 14. a bayonet lock; 15. a connecting ring; 16. a mounting frame; 17. a shifting fork; 18. a support rod; 19. a connecting groove; 20. a connecting column; 21. a positioning block; 22. and a moving groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 7, the present utility model provides the following technical solutions:
1. a switchgear interlock mechanism comprising:
the wire rope 8, one end of the wire rope 8 is connected to the disconnecting switch torsion arm 5 in the disconnecting switch operating mechanism 3, the other end is connected to the circuit breaker interlocking rod 6 in the circuit breaker operating mechanism, and when the disconnecting switch operating mechanism 3 drives the disconnecting switch to close, the disconnecting switch torsion arm 5 rotates to a working position and the circuit breaker operating mechanism drives the circuit breaker to close through the linkage of the wire rope 8 and the circuit breaker interlocking rod 6; when the disconnecting switch operating mechanism 3 drives the disconnecting switch to open, the disconnecting switch torsion arm 5 rotates to the isolating position and the linkage of the steel wire rope 8 and the breaker interlocking rod 6 drives the breaker operating mechanism to drive the breaker to open; the two ends of the steel wire rope 8 are connected with connecting rings 15, and the two connecting rings 15 are respectively and movably connected with the disconnecting switch torsion arm 5 and the breaker interlocking rod 6;
pulley 9 is movably arranged in cabinet 1, and the middle part of wire rope 8 is wound on pulley 9, and the wire rope 8 is tensioned or loosened by the movement of pulley 9.
As shown in fig. 1 and 5, a supporting frame 4 is fixed on the inner wall of the cabinet body 1;
the support frame 4 is provided with a detachable mounting frame 16, and the mounting frame 16 is U-shaped; the shaft rods 2 are movably arranged at the two ends of the pulley 9, and the two shaft rods 2 penetrate through the top of the mounting frame 16.
As shown in fig. 1 and 5, the device further comprises an adjusting mechanism for driving the pulley 9 to move, and the adjusting mechanism comprises:
two telescopic support rods 18 fixed on the support frame 4, and the two support rods 18 are symmetrically distributed on two sides of the mounting frame 16;
the two shifting forks 17 are connected to the top ends of the two supporting rods 18, and the two shifting forks 17 are respectively sleeved at the end parts of the two shaft rods 2;
the two shafts 2 respectively move along the moving grooves 22 on the two sides of the mounting frame 16 when the support rods 18 are extended and contracted.
For the above-mentioned adjusting mechanism, as shown in fig. 1 and 5, the adjusting mechanism further includes driving members 11 symmetrically installed at the bottom end of the supporting frame 4, and the two driving members 11 respectively drive the two supporting rods 18 to stretch and retract.
Through the technical scheme:
when the switch cabinet is used, the interlocking mechanism is firstly arranged in the cabinet body 1, two ends of the steel wire rope 8 are respectively connected with the disconnecting switch torsion arm 5 and the circuit breaker interlocking rod 6 through the connecting ring 15, when the switch cabinet works, a user rotates the disconnecting switch torsion arm 5 through the disconnecting switch operating mechanism 3 to rotate the disconnecting switch torsion arm 5 to a working position (shown in figure 3) so that the disconnecting switch is closed, at the moment, the disconnecting switch torsion arm 5 drives the steel wire rope 8 at the bottom of the disconnecting switch torsion arm to be downward, and then the steel wire rope 8 resets the circuit breaker interlocking rod 6 under the action of the pulley 9, namely, the circuit breaker interlocking rod 6 closes the circuit breaker, so that the switch cabinet is connected with electricity, and the operation of the switch cabinet is realized;
when the switch cabinet is overhauled, a user rotates the isolating switch torsion arm 5 through the isolating switch operating mechanism 3 again, so that the isolating switch torsion arm 5 rotates to an isolating position (shown in fig. 4) to open the switch, at the moment, the isolating switch torsion arm 5 pulls the steel wire rope 8, the steel wire rope 8 pulls the circuit breaker interlocking rod 6 downwards under the action of the pulley 9, the circuit breaker interlocking rod 6 opens the circuit breaker, the switch cabinet is powered off, and then the user overhauls the switch cabinet, so that the safety of the user is ensured;
meanwhile, in the use process of the interlocking mechanism, when the steel wire rope 8 is loosened, the driving piece 11 can drive the supporting rod 18 to shrink, then the supporting rod 18 pulls the shaft rod 2 to descend through the shifting fork 17, so that the pulley 9 descends in the U-shaped mounting frame 16, and then the pulley 9 descends continuously, and the pulley 9 gradually tightens the steel wire rope 8 to ensure the tightness of the steel wire rope 8; when the steel wire rope 8 is too tensioned, the supporting rod 18 can be driven to extend through the driving piece 11, then the supporting rod 18 drives the shaft lever 2 to ascend through the shifting fork 17 so as to drive the pulley 9 to ascend, so that the steel wire rope 8 is loosened until the tension of the steel wire rope 8 meets the use of the interlocking mechanism, and the interlocking components are conveniently interlocked;
in addition, in the present embodiment, the driving member 11 may employ an air cylinder, by which the expansion and contraction of the support rod 18 are driven, and the expansion and contraction direction is shown by an arrow b in fig. 5.
Meanwhile, in the present embodiment, referring to fig. 1, 5 and 6, a pluggable mounting assembly is provided between the support frame 4 and the mounting frame 16, and the mounting assembly includes:
the connecting groove 19 is formed in the support frame 4, and a screw groove is formed in one side of the inner wall of the connecting groove 19;
the connecting column 20 is arranged at the bottom end of the mounting frame 16, and the connecting column 20 is matched with the connecting groove 19;
the locking screw rod 10 is screwed on one side of the supporting frame 4, and the locking screw rod 10 penetrates through the connecting column 20 and is screwed with the screwing groove.
Through the technical scheme:
in the use of the interlocking assembly, when the pulley 9 is seriously worn and needs to be replaced, a user can screw out the locking screw 10 from the inside of the support frame 4 and then pull the mounting frame 16 upwards, so that the connecting column 20 is moved out of the connecting groove 19 to separate the mounting frame 16 from the support frame 4, then the user removes the pulley 9 from the mounting frame 16 and installs a new pulley 9 on the mounting frame 16, then the mounting frame 16 is spliced on the support frame 4 through the connecting column 20 and the connecting groove 19, and the locking screw 10 is screwed into the inside of the support frame 4 to fix the mounting frame 16 and the support frame 4 in a screwed manner, thereby realizing quick assembly and disassembly of the pulley 9, ensuring normal use of the pulley 9 and further ensuring normal linkage of the interlocking assembly.
For the above-mentioned mounting assembly, as shown in fig. 6, the mounting assembly further includes:
two positioning blocks 21 mounted on the support frame 4, wherein the two positioning blocks 21 are symmetrically distributed on two sides of the connecting groove 19;
the positioning grooves 7 are symmetrically formed in the bottom of the mounting frame 16, and the positioning grooves 7 correspond to the positioning blocks 21.
Through the technical scheme:
in the installation process of the support frame 4 and the support frame 16, the positioning blocks 21 can be inserted into the corresponding positioning grooves 7 so as to position the support frame 16 and the support frame 4, so that the stability between the support frame 16 and the support frame 4 is improved, and the installation and the fixation between the support frame 16 and the support frame 4 are further facilitated.
2. The utility model provides a cubical switchboard, includes cabinet body 1, isolator operating device 3, circuit breaker operating device and foretell cubical switchboard interlocking device, and wherein isolator operating device 3 embedding is installed in cabinet body 1 outside, and circuit breaker operating device and cubical switchboard interlocking device all set up in cabinet body 1 inside.
Further, as shown in fig. 1, for the above-mentioned disconnecting switch operating mechanism 3, a cover plate 13 capable of covering the disconnecting switch operating mechanism 3 is hinged on the outer wall of the cabinet body 1, a bayonet lock 14 is further installed at one end of the cover plate 13, and a bayonet slot 12 matched with the bayonet lock 14 is opened at one side of the cabinet body 1.
Through the technical scheme:
in the switch cabinet placing process, the cover plate 13 can be rotated downwards until the bayonet lock 14 is inserted into the bayonet lock 12 so as to fix the cover plate 13 and the limit of the cabinet body 1, so that the cover plate 13 keeps off the isolating switch operating mechanism 3, the isolating switch operating mechanism 3 is prevented from being accidentally touched, and the normal operation of the switch cabinet is ensured.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A switchgear interlock mechanism, comprising:
the wire rope (8), one end of the wire rope (8) is connected to a disconnecting switch torsion arm (5) in the disconnecting switch operating mechanism (3), the other end of the wire rope is connected to a circuit breaker interlocking rod (6) in the circuit breaker operating mechanism, and when the disconnecting switch operating mechanism (3) drives the disconnecting switch to be closed, the disconnecting switch torsion arm (5) rotates to a working position and drives the circuit breaker to be closed through linkage of the wire rope (8) and the circuit breaker interlocking rod (6); when the disconnecting switch operating mechanism (3) drives the disconnecting switch to open, the disconnecting switch torsion arm (5) rotates to a disconnecting position and drives the breaker to open through the linkage of the steel wire rope (8) and the breaker interlocking rod (6);
the pulley (9) is movably arranged in the cabinet body (1), the middle part of the steel wire rope (8) is wound on the pulley (9), and the steel wire rope (8) is tensioned or loosened through the movement of the pulley (9).
2. A switch cabinet interlocking mechanism as claimed in claim 1 wherein:
a supporting frame (4) is fixed on the inner wall of the cabinet body (1), a detachable mounting frame (16) is arranged on the supporting frame (4), and the mounting frame (16) is U-shaped;
two ends of the pulley (9) are movably provided with shaft rods (2), and the two shaft rods (2) penetrate through the top of the mounting frame (16).
3. A switch cabinet interlocking mechanism as claimed in claim 2 wherein: also comprises an adjusting mechanism for driving the pulley (9) to move, and the adjusting mechanism comprises:
the two telescopic support rods (18) are fixed on the support frame (4), and the two support rods (18) are symmetrically distributed on two sides of the mounting frame (16);
the shifting forks (17) are connected to the top ends of the two supporting rods (18), and the two shifting forks (17) are respectively sleeved at the end parts of the two shaft rods (2);
the two shaft rods (2) respectively move along the moving grooves (22) on two sides of the mounting frame (16) when the supporting rods (18) stretch out and draw back.
4. A switch cabinet interlocking mechanism according to claim 3 wherein: the adjusting mechanism further comprises driving pieces (11) symmetrically arranged at the bottom end of the supporting frame (4), and the two driving pieces (11) respectively drive the two supporting rods (18) to stretch.
5. A switch cabinet interlocking mechanism as claimed in claim 1 wherein: the two ends of the steel wire rope (8) are connected with connecting rings (15), and the two connecting rings (15) are respectively and movably connected with the disconnecting switch torsion arm (5) and the breaker interlocking rod (6).
6. A switchgear interlock mechanism as claimed in claim 2 or claim 3, wherein: a pluggable installation component is arranged between the support frame (4) and the installation frame (16), and the installation component comprises:
a connecting groove (19) which is arranged in the support frame (4), and a screw groove is arranged on one side of the inner wall of the connecting groove (19);
the connecting column (20) is arranged at the bottom end of the mounting frame (16), and the connecting column (20) is matched with the connecting groove (19);
the locking screw rod (10) is in threaded connection with one side of the supporting frame (4), and the locking screw rod (10) penetrates through the connecting column (20) and is in threaded connection with the threaded connection groove.
7. The switchgear interlock mechanism as claimed in claim 6, wherein: the mounting assembly further includes:
two positioning blocks (21) mounted on the support frame (4), and the two positioning blocks (21) are symmetrically distributed on two sides of the connecting groove (19);
and the positioning grooves (7) are symmetrically formed in the bottom of the mounting frame (16), and the positioning grooves (7) correspond to the positioning blocks (21).
8. A switch cabinet, characterized in that: the switch cabinet interlocking mechanism comprises a cabinet body (1), a disconnecting switch operating mechanism (3), a circuit breaker operating mechanism and the switch cabinet interlocking mechanism according to any one of claims 1-7, wherein the disconnecting switch operating mechanism (3) is embedded and installed outside the cabinet body (1), and the circuit breaker operating mechanism and the switch cabinet interlocking mechanism are arranged inside the cabinet body (1).
9. A switch cabinet according to claim 8, characterized in that: the outer wall of the cabinet body (1) is hinged with a cover plate (13) capable of covering the isolating switch operating mechanism (3), one end of the cover plate (13) is further provided with a clamping pin (14), and one side of the cabinet body (1) is provided with a clamping groove (12) matched with the clamping pin (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322114140.9U CN220456270U (en) | 2023-08-08 | 2023-08-08 | Switch cabinet interlocking mechanism and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322114140.9U CN220456270U (en) | 2023-08-08 | 2023-08-08 | Switch cabinet interlocking mechanism and switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220456270U true CN220456270U (en) | 2024-02-06 |
Family
ID=89735826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322114140.9U Active CN220456270U (en) | 2023-08-08 | 2023-08-08 | Switch cabinet interlocking mechanism and switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220456270U (en) |
-
2023
- 2023-08-08 CN CN202322114140.9U patent/CN220456270U/en active Active
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