CN112103833B - Low-voltage draw-out type switch cabinet - Google Patents
Low-voltage draw-out type switch cabinet Download PDFInfo
- Publication number
- CN112103833B CN112103833B CN202010984752.1A CN202010984752A CN112103833B CN 112103833 B CN112103833 B CN 112103833B CN 202010984752 A CN202010984752 A CN 202010984752A CN 112103833 B CN112103833 B CN 112103833B
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- Prior art keywords
- drawer
- chamber
- moving contact
- mounting base
- guide cylinder
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/04—Isolating-contacts, e.g. mountings or shieldings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/24—Shutters or guards
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Trip Switchboards (AREA)
Abstract
The invention discloses a low-voltage extraction type switch cabinet, relates to the technical field of switch cabinets, and aims to solve the problems that a drawer unit is difficult to normally insert and pull and the heat dissipation of the drawer unit is poor due to the fact that a secondary plug connector of the existing extraction type switch cabinet is easy to be misaligned and easy to collide and damage or deform. The switch cabinet is characterized in that a main bus chamber is arranged at the upper end of the switch cabinet body, a drawer chamber is arranged below the main bus chamber, a cable chamber is arranged at the rear of the drawer chamber, a secondary terminal chamber is arranged below the drawer chamber, a large drawer and a small drawer are arranged inside the drawer chamber and comprise drawer plate bodies, a moving contact mounting base is arranged at the rear end of the drawer plate body, a guide cylinder and a moving contact main body are arranged at one end of the moving contact mounting base, the moving contact mounting base is fixedly connected with the guide cylinder and the moving contact main body, a mounting plate is arranged at the rear end of the drawer chamber, and a fixed contact mounting base is arranged on the end face of the mounting plate.
Description
Technical Field
The invention relates to the technical field of switch cabinets, in particular to a low-voltage draw-out switch cabinet.
Background
The extraction type low-voltage cabinet is equipment responsible for completing electric energy control, protection, conversion and distribution in a low-voltage power supply system. The device mainly comprises a bus, an instrument of components (including an isolating switch, a circuit breaker, a fuse, a contactor, a thermal relay and the like) and a cabinet body. The low-voltage draw-out switch cabinet is widely applied to power distribution centers PC and motor control centers MCC of power plants, power substations, factories and mining enterprises and high-rise buildings, and is used as a low-voltage complete power distribution device for power distribution and motor centralized control and reactive compensation in power generation and supply systems with rated working voltage of 660V and below and rated current of 4000A and below as alternating current of 50-60 Hz.
However, the secondary plug-in connector of the existing draw-out type switch cabinet is easy to be misaligned and easy to cause collision damage or deformation, so that the drawer unit is difficult to be plugged and pulled out normally, and the heat dissipation of the drawer unit is poor, so that the existing requirements are not met, and a low-voltage draw-out type switch cabinet is provided.
Disclosure of Invention
The invention aims to provide a low-voltage draw-out type switch cabinet, which aims to solve the problems that the secondary plug-in connector of the existing draw-out type switch cabinet proposed in the background technology is easy to be misaligned and easy to cause collision damage or deformation, so that a drawer unit is difficult to be normally plugged and pulled out, and the heat dissipation performance of the drawer unit is poor.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a low pressure pull-out type cubical switchboard, includes the cubical switchboard body, the upper end of the cubical switchboard body is provided with main bus-bar room, the below of main bus-bar room is provided with the drawer room, the rear of drawer room is provided with the cable chamber, the below of drawer room is provided with secondary terminal room, the inside of drawer room is provided with big drawer and little drawer, and big drawer and little drawer all include the drawer plate body, the rear end of drawer plate body is provided with moving contact mounting base, moving contact mounting base's one end is provided with guide cylinder and moving contact main part, and moving contact mounting base and guide cylinder and the equal fixed connection of moving contact main part, the rear end of drawer room is provided with the mounting panel, be provided with stationary contact mounting base on the terminal surface of mounting panel, stationary contact mounting base's one end is provided with guide pin and stationary contact main part, and guide pin and guide cylinder sliding connection, and stationary contact mounting base and guide pin and stationary contact main part are equal fixed connection, the upper end of the cubical switchboard body is provided with pressure release device.
Preferably, the rear end of the drawer plate body is provided with a plurality of heat dissipation grooves and a plurality of threading holes, and the heat dissipation grooves are positioned on two sides of the threading holes.
Preferably, a plurality of heat dissipation holes are formed in two sides of the drawer plate body.
Preferably, the both sides of big drawer and little drawer all are provided with the gyro wheel, the inboard of drawer room is provided with the slide rail, and drawer room and slide rail pass through screw connection, and gyro wheel and slide rail sliding connection, the side of slide rail is provided with the spout, the one end of gyro wheel is provided with the connecting rod, and the connecting rod runs through the spout, and connecting rod and spout sliding connection, and the equal fixed connection of connecting rod and big drawer and little drawer.
Preferably, the front end of slide rail is provided with the protection baffle, and the protection baffle passes through spacing damping pivot with the slide rail to be connected, the inboard of protection baffle is provided with first magnetism and adsorbs the strip, and first magnetism adsorbs strip and protection baffle fixed connection, be provided with second magnetism on the preceding terminal surface of slide rail and adsorb the strip, and second magnetism adsorbs strip and slide rail fixed connection, and first magnetism adsorbs strip magnetism with second magnetism and adsorb the strip.
Preferably, the front end of the big drawer is provided with a closing switch, a separating switch, a main handle, a push-pull handle, a drawer lock, a green indicator lamp, a red indicator lamp and an auxiliary handle, the push-pull handles are provided with two, the two push-pull handles are respectively positioned at two sides below the front end of the big drawer, and the drawer lock is positioned in the middle below the front end of the big drawer.
Preferably, the drawer plate body is connected with the moving contact mounting base through screws, and the mounting plate is connected with the fixed contact mounting base through screws.
Preferably, the mounting plate is welded with the switch cabinet body.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the guide cylinder is arranged at one end of the moving contact mounting base, the guide needle is arranged at one end of the fixed contact mounting base, the guide needle and the center line of the guide cylinder are positioned at the same horizontal height, when the large drawer and the small drawer are pulled, the guide needle and the guide cylinder are mutually matched to play a role in guiding, the involute or gradual-sum action of the secondary plug connector is realized, before the fixed contact main body is contacted with the moving contact main body, the guide cylinder is firstly contacted and matched with the guide needle, the error when the fixed contact main body is plugged with the moving contact main body is eliminated, the mechanical damage caused by the error between the fixed contact main body and the moving contact main body is avoided, the plugging safety and the service life of the fixed contact main body and the moving contact main body are improved, the collision damage or deformation is avoided, and the drawer unit is convenient to plug.
2. According to the invention, the end face of the drawer plate body is provided with the plurality of radiating grooves and the plurality of radiating holes, so that the radiating effect of the large drawer and the small drawer is improved, a safe working environment can be provided for components in the large drawer and the small drawer, damage to the components caused by overhigh temperature in the large drawer and the small drawer is avoided, and the cabinet frame and the inner layer partition plate of the switch cabinet body are subjected to passivation treatment or are made of aluminum-zinc-plated steel plates, so that the aim of corrosion prevention is achieved, and the switch cabinet is easy to process, bright and white, fingerprint-resistant and heat-resistant, and the plurality of threading holes can ensure the tidy wiring of the flat cable, easy to wire, attractive and favorable for local maintenance.
3. According to the invention, the protective baffle is additionally arranged at the front end of the sliding rail, the protective baffle and the sliding rail are fastened through the magnetic adsorption force between the first magnetic adsorption strip and the second magnetic adsorption strip, so that the large drawer and the small drawer can be protected, the protective baffle can block the rollers of the large drawer and the small drawer when the large drawer or the small drawer is pulled out, the large drawer and the small drawer are prevented from accidentally sliding out and falling, when the whole drawer is required to be pulled out, only a certain external force is required to be applied to the protective baffle, the protective baffle is enabled to rotate along the limiting damping rotating shaft, the blocking of the rollers is eliminated, and the safety of the large drawer and the small drawer in the pulling process is improved.
4. The invention has the advantages that the large drawers and the small drawers are arranged, the separation between the functional units and the separation between the compartments are clear and reliable, the work of other elements is not influenced by the fault of one unit, the fault is limited to the minimum range, the drawers with the same size can be exchanged, the flexibility in the use process is improved, once the fault occurs, the units are extracted, the standby drawers are inserted, and the power can be supplied, so that the time of power failure caused by the fault is greatly shortened, and the reliability of equipment is improved.
Drawings
Fig. 1 is a front view of a low voltage draw-out switchgear of the present invention;
FIG. 2 is a schematic diagram of a low voltage draw-out switchgear of the present invention;
FIG. 3 is a schematic view of the large drawer of the present invention;
FIG. 4 is a schematic view of a drawer plate of the present invention;
FIG. 5 is a schematic view of a sliding rail according to the present invention;
FIG. 6 is an enlarged partial view of zone A of the present invention;
FIG. 7 is a front view of a large drawer of the present invention;
fig. 8 is a schematic structural view of a static contact mounting base of the present invention.
In the figure: 1. a switch cabinet body; 2. a main bus-bar chamber; 3. a drawer chamber; 4. a large drawer; 5. a small drawer; 6. a drawer plate body; 7. a cable chamber; 8. a secondary terminal chamber; 9. a roller; 10. a slide rail; 11. a chute; 12. a connecting rod; 13. a protective baffle; 14. a first magnetically attractable strip; 15. limiting the damping rotating shaft; 16. a second magnetic attraction strip; 17. a guide cylinder; 18. a moving contact body; 19. a mounting plate; 20. a static contact mounting base; 21. a guide needle; 22. a stationary contact body; 23. a heat sink; 24. a threading hole; 25. a heat radiation hole; 26. closing a switch; 27. opening the brake; 28. a main handle; 29. push-pull handle; 30. a drawer lock; 31. a green indicator light; 32. a red indicator light; 33. an auxiliary handle; 34. and a moving contact mounting base.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
Referring to fig. 1-8, an embodiment of the present invention is provided: a low-voltage draw-out switch cabinet comprises a switch cabinet body 1, a main bus chamber 2 is arranged at the upper end of the switch cabinet body 1, a gck horizontal bus is directly led in from the top, gcs and mns horizontal main buses are horizontally led in from the side of the cabinet, a drawer chamber 3 is arranged below the main bus chamber 2, a cable chamber 7 is arranged behind the drawer chamber 3, the connection of a device and an external cable is completed in the cable chamber 7, the cable can go in and out from top to bottom, the installation and maintenance are convenient, a secondary terminal chamber 8 is arranged below the drawer chamber 3, a large drawer 4 and a small drawer 5 are arranged inside the drawer chamber 3, the large drawer 4 and the small drawer 5 both comprise a drawer plate 6, a moving contact installation base 34 is arranged at the rear end of the drawer plate 6, one end of the moving contact installation base 34 is provided with a guide cylinder 17 and a moving contact main body 18, the moving contact installation base 34 is fixedly connected with the guide cylinder 17 and the moving contact main body 18, the rear end of the drawer chamber 3 is provided with a mounting plate 19, the end surface of the mounting plate 19 is provided with a static contact mounting base 20, one end of the static contact mounting base 20 is provided with a guide needle 21 and a static contact main body 22, the guide needle 21 is in sliding connection with the guide cylinder 17, the static contact mounting base 20 is fixedly connected with the guide needle 21 and the static contact main body 22, the guide needle 21 and the guide cylinder 17 are mutually matched to play a guiding role, the involute or gradual-adding action of the secondary plug connector is realized, the guide cylinder 17 is firstly contacted and matched with the guide needle 21 before the static contact main body 22 is contacted with the moving contact main body 18, the error of the inserting connection of the static contact main body 22 and the moving contact main body 18 is eliminated, the mechanical damage caused by the error is avoided, the inserting connection safety and the service life of the static contact main body 22 and the moving contact main body 18 are improved, the upper end of the switch cabinet body 1 is provided with a pressure relief device, when a fault arc ignites, the pressure relief device is forced to be opened by the pressure generated, and the glowing gas is discharged to the top of the cabinet, so that the safety of workers is ensured, a N, PE line of the switch cabinet is arranged at the rear lower part of the switch cabinet, a PE line is connected with a cabinet frame, an outgoing cable is more convenient to connect, the grounding is more reliable, the top of the switch cabinet and an upper ventilation door and a lower ventilation door are both provided with ventilation systems, the same power distribution system can be used for limiting short-circuit current through matching of a current limiting reactor, and the voltage of a bus is stabilized at a certain value.
Further, the rear end of the drawer plate body 6 is provided with a plurality of radiating grooves 23 and a plurality of threading holes 24, and the radiating grooves 23 are positioned on two sides of the threading holes 24, so that the radiating effect of the big drawer 4 and the small drawer 5 is improved, a safe working environment can be provided for components inside the big drawer 4 and the small drawer 5, damage to the components caused by overhigh temperature inside the big drawer 4 and the small drawer 5 is avoided, the plurality of threading holes 24 can ensure the uniformity of wiring, the wiring is easy, and the drawer plate is attractive and is beneficial to local maintenance.
Further, a plurality of heat dissipation holes 25 are formed in two sides of the drawer plate body 6, so that the heat dissipation effect of the large drawer 4 and the small drawer 5 is further improved, a safe working environment can be provided for components inside the large drawer 4 and the small drawer 5, and damage to the components caused by overhigh temperature inside the large drawer 4 and the small drawer 5 is avoided.
Further, both sides of big drawer 4 and little drawer 5 all are provided with gyro wheel 9, the inboard of drawer compartment 3 is provided with slide rail 10, and drawer compartment 3 and slide rail 10 pass through screw connection, and gyro wheel 9 and slide rail 10 sliding connection, slide rail 10's side is provided with spout 11, gyro wheel 9's one end is provided with connecting rod 12, and connecting rod 12 runs through spout 11, and connecting rod 12 and spout 11 sliding connection, and connecting rod 12 and big drawer 4 and little drawer 5 equal fixed connection, slide along slide rail 10 through gyro wheel 9, can realize the push-pull action to big drawer 4 and little drawer 5.
Further, the front end of slide rail 10 is provided with protection baffle 13, and protection baffle 13 is connected through spacing damping pivot 15 with slide rail 10, the inboard of protection baffle 13 is provided with first magnetism adsorption strip 14, and first magnetism adsorption strip 14 and protection baffle 13 fixed connection, be provided with second magnetism adsorption strip 16 on the preceding terminal surface of slide rail 10, and second magnetism adsorption strip 16 and slide rail 10 fixed connection, and first magnetism adsorption strip 14 and second magnetism adsorption strip 16 magnetism adsorb, fasten through the magnetism adsorption force between first magnetism adsorption strip 14 and the second magnetism adsorption strip 16 between protection baffle 13 and the slide rail 10, can protect big drawer 4 and little drawer 5, when taking out big drawer 4 or little drawer 5, protection baffle 13 can block the gyro wheel 9 of big drawer 4 and little drawer 5, avoid big drawer 4 and little drawer 5 unexpected roll-off and fall, when needs to take out whole drawer, only need apply a certain external force in protection baffle 13, make protection baffle 13 rotate along spacing damping pivot 15, remove the jam to gyro wheel 9 can, the security in the course of big drawer 4 and little drawer 5 has been improved.
Further, the front end of the big drawer 4 is provided with a closing 26, a separating brake 27, a main handle 28, push-pull handles 29, a drawer lock 30, a green indicator lamp 31, a red indicator lamp 32 and an auxiliary handle 33, the push-pull handles 29 are provided with two, the two push-pull handles 29 are respectively positioned on two sides below the front end of the big drawer 4, the drawer lock 30 is positioned in the middle below the front end of the big drawer 4, the main handle 28 is in the separating brake 27 state, the auxiliary handle 33 is in the extraction state, the drawer can be extracted or pushed, the main handle 28 is in the separating brake 27 state, the auxiliary handle 33 is in the working position state, the main handle 28 can be operated, the green indicator lamp 31 indicates the running state, and the red indicator lamp 32 indicates that no power is transmitted.
Further, the drawer plate body 6 is connected with the moving contact mounting base 34 through screws, the mounting plate 19 is connected with the fixed contact mounting base 20 through screws, the connection mode is simple, the mounting and the dismounting are convenient, and the maintenance and the replacement are facilitated.
Further, the mounting plate 19 is in welded connection with the switch cabinet body 1, the air tightness and the water tightness of the welded connection are good, the structural rigidity is high, the structural integrity is good, labor and time are saved, the sectional area of the material is not reduced, and the material is fully utilized.
Working principle: when in use, the main handle 28 is in a state of separating brake 27, the auxiliary handle 33 is in an extraction state, the drawer can be extracted or pushed, the main handle 28 is in a state of separating brake 27, the auxiliary handle 33 is in a working position state, the main handle 28 can be switched on 26 to operate, the green indicator lamp 31 indicates an operating state, the red indicator lamp 32 indicates no power transmission, the guide cylinder 17 is arranged at one end of the moving contact mounting base 34, the guide needle 21 is arranged at one end of the fixed contact mounting base 20, the center line of the guide needle 21 and the guide cylinder 17 is positioned at the same level, when the large drawer 4 and the small drawer 5 are pulled, the guide needle 21 and the guide cylinder 17 are mutually matched to play a guiding role, the involute or gradual-coupling action of the secondary plug connector is realized, the guide cylinder 17 is firstly contacted and matched with the guide needle 21 before the fixed contact main body 22 is contacted with the moving contact main body 18, the error when the fixed contact main body 22 is plugged with the moving contact main body 18 is eliminated, the mechanical damage caused by errors is avoided, the plugging safety and the service life of the fixed contact main body 22 and the movable contact main body 18 are improved, the heat dissipation effect of the large drawer 4 and the small drawer 5 is improved due to the fact that the plurality of heat dissipation grooves 23 and the plurality of heat dissipation holes 25 are arranged on the end face of the drawer plate body 6, a safe working environment can be provided for components inside the large drawer 4 and the small drawer 5, the damage of the components caused by overhigh temperature inside the large drawer 4 and the small drawer 5 is avoided, the pressure relief device is arranged at the upper end of the switch cabinet body 1, the pressure relief device is forced to be opened by pressure generated when a fault arc ignites, the burnt gas is discharged to the top of the switch cabinet body 1, the personnel safety is ensured, the wire arrangement holes 24 can ensure the tidy wire arrangement and the easy wire arrangement, the attractive appearance is good for local maintenance, the protection baffle 13 is additionally arranged at the front end of the sliding rail 10, the protection baffle 13 and the sliding rail 10 are fastened through the magnetic adsorption force between the first magnetic adsorption strip 14 and the second magnetic adsorption strip 16, the large drawer 4 and the small drawer 5 can be protected, when the large drawer 4 or the small drawer 5 is pulled out, the protection baffle 13 can block the rollers 9 of the large drawer 4 and the small drawer 5, the large drawer 4 and the small drawer 5 can be prevented from accidentally sliding out and falling off, when the whole drawer is required to be pulled out, only a certain external force is required to be applied to the protection baffle 13, the protection baffle 13 can rotate along the limit damping rotating shaft 15, the blocking of the rollers 9 is removed, the safety of the large drawer 4 and the small drawer 5 in the pulling process is improved, the separation between the functional units and between the compartments of the whole switch cabinet body 1 is clear and reliable, the work of other components is not influenced due to faults of a certain unit, the faults are limited in the minimum range, the drawers with the same size can be exchanged, the flexibility in the using process is improved, and the spare drawer is prevented from being pulled out once the units are pulled out, namely, the power transmission is enabled to be greatly shortened, the fault is greatly shortened, the fault-free time is prolonged, the fault-free electrical equipment is designed to be a power failure area, and the electric cable is exposed to be a power failure area, and is a power-free from the electric apparatus is used to be in a power-off area, and is used to a power-off area.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a low-voltage pull-out type cubical switchboard, includes cubical switchboard body (1), its characterized in that: the upper end of the switch cabinet body (1) is provided with a main bus chamber (2), the lower part of the main bus chamber (2) is provided with a drawer chamber (3), the rear of the drawer chamber (3) is provided with a cable chamber (7), the lower part of the drawer chamber (3) is provided with a secondary terminal chamber (8), the inside of the drawer chamber (3) is provided with a big drawer (4) and a small drawer (5), the big drawer (4) and the small drawer (5) all comprise a drawer plate body (6), the rear end of the drawer plate body (6) is provided with a moving contact mounting base (34), one end of the moving contact mounting base (34) is provided with a guide cylinder (17) and a moving contact main body (18), the moving contact mounting base (34) is fixedly connected with the guide cylinder (17) and the moving contact main body (18), the rear end of the drawer chamber (3) is provided with a mounting plate (19), the end face of the mounting plate (19) is provided with a static contact mounting base (20), one end of the static contact mounting base (20) is provided with a guide cylinder (21) and a guide cylinder (22) and is fixedly connected with the guide cylinder (21) and the guide cylinder (22) and the guide cylinder (20) are fixedly connected with the needle (21), the upper end of the switch cabinet body (1) is provided with a pressure relief device, the rear end of the drawer plate body (6) is provided with a plurality of radiating grooves (23) and a plurality of threading holes (24), the radiating grooves (23) are positioned on two sides of the threading holes (24), two sides of the drawer plate body (6) are provided with a plurality of radiating holes (25), two sides of the large drawer (4) and the small drawer (5) are provided with idler wheels (9), the inner side of the drawer chamber (3) is provided with a sliding rail (10), the drawer chamber (3) is connected with the sliding rail (10) through screws, the idler wheels (9) are in sliding connection with the sliding rail (10), the side face of the sliding rail (10) is provided with a sliding groove (11), one end of the idler wheels (9) is provided with a connecting rod (12), the connecting rod (12) penetrates through the sliding groove (11), the connecting rod (12) is in sliding connection with the sliding groove (11), the connecting rod (12) is fixedly connected with the large drawer (4) and the small drawer (5), the front end of the sliding rail (10) is provided with a protection baffle (13), the inner side of the sliding rail (10) is connected with a first damping baffle (14) through a magnetic baffle (13), and first magnetic adsorption strip (14) and guard flap (13) fixed connection, be provided with second magnetic adsorption strip (16) on the preceding terminal surface of slide rail (10), and second magnetic adsorption strip (16) and slide rail (10) fixed connection, and first magnetic adsorption strip (14) and second magnetic adsorption strip (16) magnetic adsorption.
2. A low voltage draw out switchgear as claimed in claim 1, wherein: the front end of big drawer (4) is provided with combined floodgate (26), separating brake (27), main handle (28), push-and-pull handle (29), drawer lock (30), green pilot lamp (31), red pilot lamp (32) and auxiliary handle (33), and push-and-pull handle (29) are provided with two, two push-and-pull handle (29) are located the both sides of big drawer (4) front end below respectively, and drawer lock (30) are located the centre of big drawer (4) front end below.
3. A low voltage draw out switchgear as claimed in claim 1, wherein: the drawer plate body (6) is connected with the moving contact mounting base (34) through screws, and the mounting plate (19) is connected with the fixed contact mounting base (20) through screws.
4. A low voltage draw out switchgear as claimed in claim 1, wherein: the mounting plate (19) is welded with the switch cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984752.1A CN112103833B (en) | 2020-09-18 | 2020-09-18 | Low-voltage draw-out type switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984752.1A CN112103833B (en) | 2020-09-18 | 2020-09-18 | Low-voltage draw-out type switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112103833A CN112103833A (en) | 2020-12-18 |
| CN112103833B true CN112103833B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010984752.1A Active CN112103833B (en) | 2020-09-18 | 2020-09-18 | Low-voltage draw-out type switch cabinet |
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| CN (1) | CN112103833B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112993841B (en) * | 2021-04-13 | 2022-08-16 | 浙江兆山电器有限公司 | Low-voltage draw-out type switch cabinet |
| CN113594907A (en) * | 2021-08-13 | 2021-11-02 | 江西汇盛电力科技有限公司 | Low-voltage power transformation cabinet |
| CN113839321B (en) * | 2021-11-29 | 2022-02-08 | 山东万海电气科技有限公司 | Switch cabinet |
| TR2022009368A2 (en) * | 2022-06-07 | 2022-06-21 | Europower Enerji Ve Otomasyon Teknolojileri Sanayi Ticaret Anonim Sirketi | DAMPING ELEMENT USED IN METAL ENCLOSED MEDIUM AND HIGH VOLTAGE SWITCH CELLS TO PREVENT OR REDUCE EXPLOSIVE SHOCK |
| CN117394159B (en) * | 2023-10-20 | 2024-03-19 | 广州盛美电气设备有限公司 | Draw-out type low-voltage power distribution cabinet |
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