CN218040325U - High-low voltage switch cabinet device - Google Patents
High-low voltage switch cabinet device Download PDFInfo
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- CN218040325U CN218040325U CN202222380882.1U CN202222380882U CN218040325U CN 218040325 U CN218040325 U CN 218040325U CN 202222380882 U CN202222380882 U CN 202222380882U CN 218040325 U CN218040325 U CN 218040325U
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- contact
- sliding
- low voltage
- mounting frame
- supporting plate
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Abstract
The utility model relates to a high-low voltage switch cabinet device, which belongs to the field of arc extinguishing devices of high-low voltage switch cabinets, and comprises a cabinet body, a mounting frame, a fixed block, a movable block, a first contact, a second contact, a support plate and a clamping mechanism; the mounting rack is arranged in the cabinet body; the fixed block is arranged in the mounting frame; the movable block is arranged in the mounting frame in a sliding manner; the support plate is arranged in the mounting frame in a sliding manner, and the movable block is arranged on the support plate; the mounting frame is provided with a lifting mechanism for driving the supporting plate to move upwards; a separating mechanism for driving the supporting plate to move downwards is arranged in the mounting rack; the mounting frame is provided with a clamping mechanism; the clamping mechanism is clamped with the supporting plate; the number of the first contacts and the number of the second contacts are three, and the first contacts are arranged on the fixed block; the second contact is arranged on the movable block; the first contact is electrically connected with the second contact. The utility model discloses can automatic combined floodgate, and can break the floodgate fast.
Description
Technical Field
The utility model relates to a high-low voltage switch cabinet arc control device field especially relates to a high-low voltage switch cabinet device.
Background
The high-low voltage switch cabinet is an electric device, the external line firstly enters a main control switch in the cabinet and then enters a branch control switch, each branch circuit is arranged according to the requirement, such as an instrument, an automatic control switch, a motor magnetic switch, various alternating current contactors and the like, some high-voltage chamber and low-voltage chamber switch cabinets are also arranged, high-voltage buses are arranged, such as a power plant and the like, and some low-frequency load reduction for protecting main equipment is also arranged.
The arc is a discharge phenomenon with concentrated energy, high temperature and strong brightness. For example, when a 10kV oil-less breaker opens a current of 20kA, the arc power is as high as 10000kW or more, which causes the medium and its strong physicochemical changes in the arc and its vicinity, and may burn out the contact and other parts in the vicinity of the contact. If the electric arc is not extinguished for a long time, the electric appliance is burnt out and even explodes, and the safety operation of a crisis electric power system causes great loss. Therefore, when the circuit is cut off, the arc must be extinguished as soon as possible; the alternating current arc can be extinguished by increasing the separation speed of the contacts of the circuit breaker.
In the prior art, when the switch is switched on and switched off manually, the generated electric arc can cause damage to a human body, and the speed of separation is low during manual switch-off, so that the time of the electric arc is prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problem that exists among the background art, provide one kind can automatic combined floodgate, and the high-low tension switchgear device that can break the floodgate fast.
The technical scheme of the utility model: a high-low voltage switch cabinet device comprises a cabinet body, a mounting frame, a fixed block, a movable block, a first contact, a second contact, a supporting plate and a clamping mechanism;
the mounting rack is arranged in the cabinet body; the fixed block is arranged in the mounting frame; the movable block is arranged in the mounting frame in a sliding manner; the support plate is arranged in the mounting frame in a sliding manner, and the movable block is arranged on the support plate; the mounting frame is provided with a lifting mechanism for driving the supporting plate to move upwards; a separating mechanism for driving the supporting plate to move downwards is arranged in the mounting frame; the mounting frame is provided with a clamping mechanism; the clamping mechanism is clamped with the supporting plate; the number of the first contacts and the number of the second contacts are three, and the first contacts are arranged on the fixed block; the second contact is arranged on the movable block; the first contact is electrically connected with the second contact.
Preferably, the lifting mechanism comprises a driving motor, a screw rod, a lifting platform and a guide rail; the driving motor and the guide rail are arranged on the mounting frame; the output end of the driving motor is connected with the screw rod; the lifting platform is arranged on the guide rail in a sliding manner and is in threaded connection with the screw rod; the elevating platform is located the below of backup pad, and the elevating platform and backup pad butt.
Preferably, the separating mechanism comprises a sliding rod, a sliding sleeve and a first elastic piece; the sliding rod is arranged in the mounting frame; the sliding sleeve is arranged on the supporting plate; the sliding sleeve is arranged on the sliding rod in a sliding manner; the first elastic piece is arranged on the outer peripheral side of the sliding rod; two ends of the first elastic piece are respectively connected with the mounting frame and the sliding sleeve.
Preferably, the clamping mechanism comprises a clamping block, a sliding frame, a second elastic piece and a push plate; the clamping block is arranged on the mounting frame in a sliding mode and is clamped with the supporting plate; the sliding frame is arranged on the mounting frame, the push plate is arranged on the clamping block, and the push plate is connected with the sliding frame in a sliding manner; the second elastic piece is arranged on the outer periphery of the sliding frame, and two ends of the second elastic piece are respectively connected with the sliding frame and the push plate.
Preferably, the push plate is provided with a handle; the handle is slidably connected to the carriage.
Preferably, the lower end of the clamping block is provided with a guide inclined plane.
Preferably, the mounting rack is provided with a first power connection box and a second power connection box; the first electricity receiving box is electrically connected with the first contact; the second electricity-receiving box is electrically connected with the second contact.
Compared with the prior art, the utility model discloses following profitable technological effect has:
in the utility model, the incoming wire and the outgoing wire are respectively connected with the first electricity receiving box and the second electricity receiving box, when the switch is switched on, the supporting plate is driven to move upwards by the lifting mechanism, the supporting plate drives the movable block to move upwards, the movable block drives the second contact to move upwards, so that the second contact is contacted with the first contact and is inserted into the first contact, thereby the first contact is electrically connected with the second contact, the first electricity receiving box and the second electricity receiving box are electrically connected by the first contact and the second contact, and the three first contact and the three second contact are respectively connected with three-phase electricity; after the second contact contacts with the first contact, the clamping mechanism is just located below the supporting plate, the supporting plate is limited, the supporting plate is prevented from moving downwards, the first contact is firmly connected with the second contact, after the first contact is connected with the second contact, the lifting mechanism moves downwards and is separated from the supporting plate, when the brake is required to be switched off, the limiting of the supporting plate is relieved through the clamping mechanism, the first elastic piece pushes the sliding sleeve to move downwards, the sliding rod guides the sliding sleeve, the sliding sleeve drives the supporting plate to move downwards, the first elastic piece accumulates elastic potential energy and can bounce the supporting plate downwards, the second contact is quickly separated from the first contact, the arc extinguishing operation can be carried out, the supporting plate is driven to move through the lifting mechanism, the first contact is in contact with the second contact, and the electric arc can be prevented from causing injury to an operator during manual switching-on.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a portion A of FIG. 1;
fig. 3 is a partially enlarged structural diagram of a portion B in fig. 1.
Reference numerals: 1. a cabinet body; 2. a mounting frame; 31. a first power receiving box; 32. a second power receiving box; 41. a fixed block; 42. a movable block; 51. a first contact; 52. a second contact; 6. a lifting mechanism; 601. a drive motor; 602. a screw rod; 603. a lifting platform; 604. a guide rail; 7. a support plate; 8. a separating mechanism; 801. a slide bar; 802. a sliding sleeve; 803. a first elastic member; 9. a clamping mechanism; 901. a clamping block; 902. a carriage; 903. a second elastic member; 904. a push plate.
Detailed Description
Example one
As shown in fig. 1-3, the utility model provides a high-low voltage switch cabinet device, which comprises a cabinet body 1, a mounting frame 2, a fixed block 41, a movable block 42, a first contact 51, a second contact 52, a support plate 7 and a clamping mechanism 9;
the mounting frame 2 is arranged in the cabinet body 1; the fixing block 41 is arranged in the mounting frame 2; the movable block 42 is arranged in the mounting frame 2 in a sliding manner; the supporting plate 7 is arranged in the mounting frame 2 in a sliding manner, and the movable block 42 is arranged on the supporting plate 7; the mounting frame 2 is provided with a lifting mechanism 6 for driving the support plate 7 to move upwards; a separating mechanism 8 for driving the supporting plate 7 to move downwards is arranged in the mounting frame 2; the mounting frame 2 is provided with a clamping mechanism 9; the clamping mechanism 9 is clamped with the support plate 7; three first contacts 51 and three second contacts 52 are arranged, and the first contacts 51 are arranged on the fixed block 41; the second contact 52 is provided on the movable block 42; the first contact 51 is electrically connected to the second contact 52.
The separation mechanism 8 includes a slide lever 801, a slide sleeve 802, and a first elastic member 803; the sliding rod 801 is arranged in the mounting rack 2; the sliding sleeve 802 is arranged on the support plate 7; the sliding sleeve 802 is arranged on the sliding rod 801 in a sliding mode; the first elastic member 803 is provided on the outer peripheral side of the slide lever 801; both ends of the first elastic member 803 are connected to the mounting frame 2 and the sliding sleeve 802, respectively.
The mounting frame 2 is provided with a first electricity receiving box 31 and a second electricity receiving box 32; the first electricity receiving box 31 is electrically connected with the first contact 51; the second contact box 32 is electrically connected to the second contact 52.
In this embodiment, an incoming wire and an outgoing wire are respectively connected with the first power receiving box 31 and the second power receiving box 32, when switching on is performed, the supporting plate 7 is driven to move upwards by the lifting mechanism 6, the supporting plate 7 drives the movable block 42 to move upwards, the movable block 42 drives the second contact 52 to move upwards, so that the second contact 52 is contacted with the first contact 51 and is inserted into the first contact 51, so that the first contact 51 is electrically connected with the second contact 52, the first power receiving box 31 and the second power receiving box 32 are electrically connected through the first contact 51 and the second contact 52, and the three first contacts 51 and the three second contacts 52 are respectively connected with three-phase power; after the second contact 52 is contacted with the first contact 51, the clamping mechanism 9 is just located below the support plate 7 to limit the support plate 7, and the support plate 7 is prevented from moving downwards, so that the first contact 51 is firmly connected with the second contact 52, after the first contact 51 is connected with the second contact 52, the lifting mechanism 6 moves downwards and is separated from the support plate 7, when the brake is required to be broken, the limit on the support plate 7 is released through the clamping mechanism 9, the first elastic piece 803 pushes the sliding sleeve 802 to move downwards, the sliding rod 801 guides the sliding sleeve 802, so that the sliding sleeve 802 drives the support plate 7 to move downwards, and as the first elastic piece 803 accumulates elastic potential energy, the support plate 7 can be bounced downwards, so that the second contact 52 is quickly separated from the first contact 51, the arc extinguishing operation can be performed, the support plate 7 is driven to move through the lifting mechanism 6, so that the first contact 51 is contacted with the second contact 52, and the injury to an operator caused by an arc during manual switching can be prevented.
Example two
As shown in fig. 1-3, compared with the first embodiment, the lifting mechanism 6 of the present invention includes a driving motor 601, a lead screw 602, a lifting platform 603, and a guide rail 604; the driving motor 601 and the guide rail 604 are arranged on the mounting frame 2; the output end of the driving motor 601 is connected with the screw rod 602; the lifting platform 603 is arranged on the guide rail 604 in a sliding manner, and the lifting platform 603 is in threaded connection with the screw 602; the elevating platform 603 is located below the support plate 7, and the elevating platform 603 abuts against the support plate 7.
In this embodiment, the driving motor 601 drives the lead screw 602 to rotate, the lead screw 602 drives the lifting platform 603 to move, the guide rail 604 guides the lifting platform 603, and when the lifting platform 603 moves upward, the supporting plate 7 is pushed to move upward, the supporting plate 7 drives the movable block 42 to move upward, and the movable block 42 drives the second contact 52 to move upward, so that the first contact 51 is connected with the second contact 52 to be conducted.
EXAMPLE III
As shown in fig. 1-3, compared to the first or second embodiment, the latch mechanism 9 of the present embodiment includes a latch block 901, a sliding frame 902, a second elastic member 903, and a push plate 904; the clamping block 901 is arranged on the mounting frame 2 in a sliding mode, and the clamping block 901 is clamped with the supporting plate 7; the sliding frame 902 is arranged on the mounting frame 2, the push plate 904 is arranged on the clamping block 901, and the push plate 904 is connected with the sliding frame 902 in a sliding manner; the second elastic member 903 is disposed on the outer peripheral side of the carriage 902, and both ends of the second elastic member 903 are connected to the carriage 902 and the push plate 904, respectively. A handle is arranged on the push plate 904; the handle is slidably connected to the carriage 902. The lower end of the clamping block 901 is provided with a guide slope.
In this embodiment, when the second contact 52 needs to be separated from the first contact 51, the handle is pulled, the handle drives the push plate 904 to move, the push plate 904 drives the clamping block 901 to move, so that the clamping block 901 is separated from the support plate 7, the separation mechanism 8 can push the support plate 7 to move downward, the support plate 7 drives the movable block 42 to move, and the movable block 42 drives the second contact 52 to be separated from the first contact 51; when first contact 51 and second contact 52 fold, backup pad 7 and joint piece 901 contact, backup pad 7 is earlier in the direction inclined plane contact, thereby extrusion joint piece 901 removes, make joint piece 901 compression second elastic component 903, after backup pad 7 completely removed the top of backup pad 7, second elastic component 903 promoted push pedal 904 and removed, push pedal 904 drove joint piece 901 card and goes into the lower extreme of backup pad 7, carry on spacingly to backup pad 7, prevent backup pad 7 downstream.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. A high-low voltage switch cabinet device is characterized by comprising a cabinet body (1), an installation frame (2), a fixed block (41), a movable block (42), a first contact (51), a second contact (52), a support plate (7) and a clamping mechanism (9);
the mounting rack (2) is arranged in the cabinet body (1); the fixing block (41) is arranged in the mounting rack (2); the movable block (42) is arranged in the mounting rack (2) in a sliding manner; the supporting plate (7) is arranged in the mounting frame (2) in a sliding manner, and the movable block (42) is arranged on the supporting plate (7); the mounting rack (2) is provided with a lifting mechanism (6) for driving the support plate (7) to move upwards; a separation mechanism (8) for driving the support plate (7) to move downwards is arranged in the mounting rack (2); a clamping mechanism (9) is arranged on the mounting rack (2); the clamping mechanism (9) is clamped with the support plate (7); the number of the first contacts (51) and the number of the second contacts (52) are three, and the first contacts (51) are arranged on the fixing block (41); the second contact (52) is arranged on the movable block (42); the first contact (51) is electrically connected with the second contact (52).
2. A high-low voltage switch cabinet device according to claim 1, characterized in that the lifting mechanism (6) comprises a driving motor (601), a screw rod (602), a lifting platform (603) and a guide rail (604); the driving motor (601) and the guide rail (604) are arranged on the mounting rack (2); the output end of the driving motor (601) is connected with the screw rod (602); the lifting platform (603) is arranged on the guide rail (604) in a sliding manner, and the lifting platform (603) is in threaded connection with the screw rod (602); the lifting platform (603) is positioned below the supporting plate (7), and the lifting platform (603) is abutted against the supporting plate (7).
3. A high-low voltage switchgear device according to claim 2, characterized in that the disconnecting mechanism (8) comprises a sliding rod (801), a sliding sleeve (802) and a first elastic member (803); the sliding rod (801) is arranged in the mounting rack (2); the sliding sleeve (802) is arranged on the supporting plate (7); the sliding sleeve (802) is arranged on the sliding rod (801) in a sliding mode; the first elastic member (803) is provided on the outer peripheral side of the slide lever (801); two ends of the first elastic piece (803) are respectively connected with the mounting frame (2) and the sliding sleeve (802).
4. A high-low voltage switch cabinet device according to claim 3, characterized in that the clamping mechanism (9) comprises a clamping block (901), a sliding frame (902), a second elastic member (903) and a push plate (904); the clamping block (901) is arranged on the mounting frame (2) in a sliding mode, and the clamping block (901) is clamped with the supporting plate (7); the sliding frame (902) is arranged on the mounting frame (2), the push plate (904) is arranged on the clamping block (901), and the push plate (904) is connected with the sliding frame (902) in a sliding manner; the second elastic member (903) is arranged on the outer periphery side of the sliding frame (902), and two ends of the second elastic member (903) are respectively connected with the sliding frame (902) and the push plate (904).
5. A high-low voltage switch cabinet device according to claim 4, characterized in that the push plate (904) is provided with a handle; the handle is slidably connected to the carriage (902).
6. A high-low voltage switch cabinet device according to claim 5, characterized in that the lower end of the clamping block (901) is provided with a guiding inclined surface.
7. A high-low voltage switch cabinet device according to claim 1, characterized in that a first power connection box (31) and a second power connection box (32) are arranged on the mounting frame (2); the first electricity receiving box (31) is electrically connected with the first contact (51); the second electricity-receiving box (32) is electrically connected with the second contact (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222380882.1U CN218040325U (en) | 2022-09-07 | 2022-09-07 | High-low voltage switch cabinet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222380882.1U CN218040325U (en) | 2022-09-07 | 2022-09-07 | High-low voltage switch cabinet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218040325U true CN218040325U (en) | 2022-12-13 |
Family
ID=84352269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222380882.1U Active CN218040325U (en) | 2022-09-07 | 2022-09-07 | High-low voltage switch cabinet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218040325U (en) |
-
2022
- 2022-09-07 CN CN202222380882.1U patent/CN218040325U/en active Active
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