CN214068601U - Handcart type load switch fuse combination - Google Patents
Handcart type load switch fuse combination Download PDFInfo
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- CN214068601U CN214068601U CN202022479368.4U CN202022479368U CN214068601U CN 214068601 U CN214068601 U CN 214068601U CN 202022479368 U CN202022479368 U CN 202022479368U CN 214068601 U CN214068601 U CN 214068601U
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- energy storage
- load switch
- fusion tube
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Abstract
The utility model discloses a handcart-type load switch fuse combination, including the operating device body, one side of operating device body is provided with the T type and seals utmost point post admittedly, the T type seals utmost point post admittedly and concatenates in the major loop top of operating device body through the insulating oversleeve of installing the moving contact, the T type seals the bottom of utmost point post admittedly and is connected with the explosion chamber, the fusion tube that the level set up is connected at the top of explosion chamber, the one end of fusion tube is provided with the feeler arm, the other end of fusion tube passes through the fusion tube firing pin and connects chain connecting lever, chain connecting lever is connected with the separating brake semi-axis on the operating device body, the bottom of explosion chamber is connected with insulating pull rod through the flexible coupling, the other end of insulating pull rod is connected with combined floodgate unit, combined floodgate unit includes transmission system and energy storage system. The utility model overcomes the existence of two kinds of cabinet type of fuse that exist among the prior art, the inconsistent problem of mounting means.
Description
Technical Field
The utility model relates to an electrical apparatus switch technical field, specificly relate to a handcart-type load switch fuse combination.
Background
Most of the existing load switch-fuse combined electrical appliances are of fixed structures and are mostly used for protecting station transformers, but due to the existence of the fixed load switch cabinet and the middle-mounted breaker cabinet, the two cabinet types are inconsistent in installation mode and inconsistent, and the factory production is not convenient. And the fixed load switch fuse combined electrical apparatus is inconvenient to maintain and overhaul.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome the existence of two kinds of cabinet types of fuse that exist among the prior art, the inconsistent problem of mounting means provides one kind and can dispose the handcart-type load switch fuse combination of putting the cabinet in.
The technical scheme to be adopted for solving the problems is as follows: handcart-type load switch fuse combination, including the operating device body, one side of operating device body is provided with the T type and seals utmost point post admittedly, the T type seals utmost point post admittedly and concatenates in the major loop top of operating device body through the insulating oversleeve of installing the moving contact, the T type seals the bottom of utmost point post admittedly and is connected with the explosion chamber, the fusion tube that the level set up is connected at the top of explosion chamber, the one end of fusion tube is provided with the contact arm, the other end of fusion tube passes through the fusion tube firing pin and connects interlocking turning arm, interlocking turning arm is connected with the separating brake semi-axis on the operating device body, the bottom of explosion chamber is connected with insulating pull rod through the flexible coupling, the other end of insulating pull rod is connected with the combined floodgate unit, the combined floodgate unit includes transmission system and energy storage system.
The utility model is also characterized in that,
the transmission system comprises a lever, one end of the lever is connected with an insulating pull rod, the other end of the lever is connected with a connecting plate, the connecting plate is connected with a large shaft through a crank arm, and the large shaft is connected with a spatial four-connecting-plate mechanism.
The lever is close to the one end of even board and is connected with the separating brake spring, and the other end of separating brake spring links to each other with the frame, is provided with separating brake semi-axis and buckle in the frame, and separating brake semi-axis is fixed in the frame through the axle sleeve, and the buckle is fixed in on the sincere axle, and sincere axle is fixed in the frame through the copper sheathing.
The energy storage system comprises a motor, a motor shaft of the motor is connected with a small chain wheel through a one-way bearing, the small chain wheel is connected with a turbine through the one-way bearing, the turbine is meshed with a worm to form a manual energy storage system, and manual and electric clutch is achieved through the one-way bearing.
The small chain wheel is connected with the large chain wheel through a chain, the large chain wheel is installed on the energy storage shaft through a bearing, the large chain wheel drives the clutch wheel through the stop pin, the clutch wheel is connected with the energy storage shaft through a key, the clutch wheel rotates to drive the energy storage shaft to rotate, so that the cam and the energy storage crank arm which are connected on the energy storage shaft through the key are driven to rotate, the brake closing spring is driven to stretch, and after the energy storage is in place, the clutch pin presses down the sliding block on the clutch wheel to realize the clutch.
An insulating sleeve is sleeved outside the joint of the fusion tube and the contact arm, a plum blossom contact is arranged outside the contact arm, and a fusion clamp is connected inside the contact arm.
The bottom of the operating mechanism body is connected with a propelling mechanism.
The operating mechanism body is provided with a panel, and the panel is provided with a closing button, a dividing button, a manual energy storage operating hole, a spring energy storage state indicator and a closing and dividing indicator.
The utility model discloses handcart-type load switch fuse combination's beneficial effect does:
1. the defect that a fixed load switch cannot be simultaneously provided with electrical interlocking and mechanical interlocking is overcome, and safety guarantee is provided for ensuring continuous and reliable power supply;
2. the utility model adopts the mode production of the middle handcart, and can be matched with the standard middle cabinet, and because the handcart is arranged in the middle, the lower floor space can be matched with the handcart with different forms, thereby realizing the upper cabinet scheme;
3. the appearance size of the utility model is completely the same as that of a circuit breaker handcart with the same type of cabinet bodies, the handcart can be completely exchanged and used according to different loads, and the cabinet bodies do not need to be changed;
4. the utility model discloses a handcart cabinet, it is exactly can be under the uninterrupted power state of system, pull out the cabinet alone with the handcart of trouble and overhaul outward, fixed product then needs the system to have a power failure rear and can overhaul.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
fig. 3 is a front view of the structure of the closing unit of the operating mechanism of the present invention;
fig. 4 is a structural side view of a closing unit of the operating mechanism of the present invention;
fig. 5 is a schematic view of the conductive loop structure of the T-shaped pole of the present invention.
The energy-saving fuse structure comprises an operating mechanism body 1, a T-shaped solid-sealed pole, 3, a fuse tube, 4, an insulating sleeve, 5, a fuse clip, 6, a contact arm, 7, a tulip contact, 8, an arc extinguish chamber, 9, a flexible connection, 10, an insulating pull rod, 11, a panel, 12 pushing mechanisms, 13, a space four-link plate mechanism, 14, a brake-separating half shaft, 15, a buckle plate, 16, a motor, 17, a lever, 18, a link plate, 19, a brake-separating spring, 20, a large shaft, 21, a crank arm, 22, a frame, 23, a small chain wheel, 24, a brake-closing spring, 25, an energy-storing crank arm, 26, an energy-storing shaft, 27, 28, a large chain wheel, 29, a sliding block, 30, a clutch pin, 31, a clutch wheel, 32, a roller, 33, a holding pawl, 34, a chain, 35, a worm, 36, a turbine, 37, a fuse tube firing pin and 38 interlocking crank arm.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
The utility model discloses handcart-type load switch fuse combination, the structure is as shown in fig. 1 ~ 5, including operating device body 1, one side of operating device body 1 is provided with T type and seals utmost point post 2 admittedly, T type seals utmost point post 2 admittedly and concatenates in operating device body 1's major loop top through the insulating oversleeve of installing the moving contact, T type seals utmost point post 2 admittedly's bottom and is connected with explosion chamber 8, the fusion tube 3 that the level set up is connected to explosion chamber 8's top, the one end of fusion tube 3 is provided with touch arm 6, the other end of fusion tube 3 passes through fusion tube firing pin 37 and connects interlocking turning arm 38, interlocking turning arm 38 is connected with the separating brake semi-axis 14 on the operating device body 1, the bottom of explosion chamber 8 is connected with insulating pull rod 10 through flexible coupling 9, the other end of insulating pull rod 10 is connected with combined floodgate unit, combined floodgate unit includes transmission system and energy storage system.
The transmission system comprises a lever 17, one end of the lever 17 is connected with an insulating pull rod 10, the other end of the lever 17 is connected with a connecting plate 18, the connecting plate 18 is connected with a large shaft 20 through a crank arm 21, the large shaft 20 is connected with a spatial four-connecting-plate mechanism 13, one end of the lever 17, which is close to the connecting plate 18, is connected with a brake separating spring 19, the other end of the brake separating spring 19 is connected with a frame 22, a brake separating half shaft 14 and a buckle plate 15 are arranged in the frame 22, the brake separating half shaft 14 is fixed in the frame 22 through a shaft sleeve, the buckle plate 15 is fixed on a pawl shaft, and the pawl shaft is fixed in the frame 22 through a copper sleeve.
The energy storage system comprises a motor 16, a motor shaft of the motor 16 is connected with a small chain wheel 23 through a one-way bearing, the small chain wheel 23 is connected with a turbine 36 through the one-way bearing, the turbine 36 is meshed with a worm 35 to form a manual energy storage system, and manual and electric clutch is achieved through the one-way bearing.
An insulating sleeve 4 is sleeved outside the joint of the fusion tube 3 and the contact arm 6, a plum blossom contact 7 is arranged outside the contact arm 6, and a fusion clamp 5 is connected inside the contact arm 6.
The bottom of the operating mechanism body 1 is connected with a propelling mechanism 12, and the propelling mechanism 12 can change a load switch fuse combination from a fixed unit to a handcart unit, so that the load switch fuse combination electrical appliance can smoothly enter a working position at a cabinet test position.
The operating mechanism body 1 is provided with a panel 11, and the panel 11 is provided with a closing button, a dividing button, a manual energy storage operating hole, a spring energy storage state indicator and a closing and dividing indicator.
The utility model discloses handcart-type load switch fuse combination has manual energy storage and electronic energy storage dual mode, under the condition that does not have combined floodgate power supply, can adopt manual energy storage.
The working principle is as follows: the randomly equipped manual energy storage handle is inserted into a manual energy storage jack of the panel 11, the worm 35 is rotated clockwise, the worm drives the worm wheel 36 to rotate, the small chain wheel is locked by the one-way bearing in the worm wheel to rotate clockwise, the motor shaft is unlocked by the one-way bearing in the small chain wheel to separate the electric energy storage part, the small chain wheel 23 drives the large chain wheel 28 to rotate, the stop pin on the large chain wheel 28 drives the clutch wheel 31 fixedly connected with the energy storage shaft 26 to rotate, the energy storage shaft 26 is driven to rotate, the energy storage crank arm 26 on the energy storage shaft 26 is driven to rotate, the closing spring 24 is extended, and after the energy storage is in place, the clutch pin 30 presses the sliding block 29 on the clutch wheel to separate the large chain wheel 28 from the clutch wheel 31, so that the energy storage purpose is achieved.
During electric energy storage, the one-way bearing in the small chain wheel is locked with the motor shaft and rotates clockwise along with the motor shaft, and the one-way bearing in the turbine and the small chain wheel are in an unlocking state, so that manual isolation is completed, and the energy storage process is similar. After the operating mechanism body 1 stores energy, a closing button is pressed or a closing signal is received, so that the constraint of an energy storage retaining pawl 33 on an energy storage shaft 26 is removed, the energy of a closing spring 24 is released, a closing cam 27 rotates clockwise, a large shaft 20 is driven to rotate anticlockwise through a spatial four-bar mechanism 13, a connecting plate 18 is driven through a connecting lever 21, an insulating pull rod 10 is driven through a lever mechanism 17, a vacuum arc extinguish chamber 8 is finally driven to move upwards to complete the closing action, and when the built-in solid sealed vacuum load switch is located at the closing position, the internal mechanical interlocking ensures that the mechanism cannot be closed repeatedly.
After the closing action is finished, an opening button is pressed or an opening signal is received, the opening half shaft 14 rotates anticlockwise under the action of a tripping force, the restraint of the opening half shaft 14 on the buckle plate 15 is released, the mechanism main shaft 40 rotates clockwise under the action of the contact pressure spring and the opening spring 19, the movable conducting rod of the vacuum arc-extinguishing chamber 8 moves downwards under the drive of the insulating railing 10, and the opening of the middle fixed seal type vacuum load switch is realized.
The utility model discloses handcart-type load switch fuse combination through sealing utmost point post mode admittedly, combines current-limiting fuse and vacuum interrupter together organically, constitutes a series circuit, makes up into combination formula load switch, undertakes by vacuum interrupter to close and cut off various load current, undertakes short-circuit current by current-limiting fuse and cuts off.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. Handcart-type load switch fuse combination, including operating device body (1), its characterized in that, one side of operating device body (1) is provided with the solid utmost point post (2) that seals of T type, the solid utmost point post (2) that seals of T type concatenates in the major loop top of operating device body (1) through the insulating oversleeve of installing the moving contact, the bottom of the solid utmost point post (2) that seals of T type is connected with explosion chamber (8), the top of explosion chamber (8) is connected with fusion tube (3) that the level set up, the one end of fusion tube (3) is provided with feeler arm (6), the other end of fusion tube (3) passes through fusion tube firing pin (37) and connects interlocking turning arm (38), interlocking turning arm (38) are connected with branch brake semi-axis (14) on operating device body (1), the bottom of explosion chamber (8) is connected with insulating pull rod (10) through flexible coupling (9), the other end of the insulating pull rod (10) is connected with a closing unit, and the closing unit comprises a transmission system and an energy storage system.
2. A handcart type load switch fuse combination according to claim 1, characterized in that the transmission system includes a lever (17), one end of the lever (17) is connected with the insulating pull rod (10), the other end of the lever (17) is connected with a connecting plate (18), the connecting plate (18) is connected with a large shaft (20) through a crank arm (21), and the large shaft (20) is connected with a spatial four-connecting-plate mechanism (13).
3. The handcart type load switch fuse combination according to claim 2, characterized in that, the one end that lever (17) is close to even board (18) is connected with separating brake spring (19), the other end of separating brake spring (19) links to each other with frame (22), be provided with separating brake semi-axis (14) and buckle (15) in frame (22), separating brake semi-axis (14) are fixed in frame (22) through the axle sleeve, buckle (15) are fixed in the epaxial of keeping sincere (33), and sincere axle is fixed in frame (22) through the copper sheathing.
4. The handcart type load switch fuse combination according to claim 1, wherein the energy storage system comprises a motor (16), a small chain wheel (23) is connected to a motor shaft of the motor (16) through a one-way bearing, the small chain wheel (23) is connected with a worm wheel (36) through the one-way bearing, the worm wheel (36) is meshed with a worm (35) to form a manual energy storage system, and manual and electric clutch is realized through the one-way bearing.
5. The hand truck load switch fuse combination of claim 4, the small chain wheel (23) is connected with the large chain wheel (28) through a chain (34), the large chain wheel (28) is arranged on the energy storage shaft (26) through a bearing, the large chain wheel (28) drives the clutch wheel (31) through a stop pin, the clutch wheel (31) is connected with the energy storage shaft (26) through a key, the clutch wheel (31) rotates to drive the energy storage shaft (26) to rotate, thereby driving the cam (27) and the energy storage crank arm (25) which are connected on the energy storage shaft through keys to rotate, thereby driving the closing spring (24) to stretch, after the stored energy is in place, the clutch pin (30) presses down the slide block (29) on the clutch wheel (31) to realize the clutch, at the moment, the holding pawl (33) props against the roller (32) fixed on the clutch wheel (31), and the closing spring (24) is kept in the stretching state.
6. The handcart type load switch fuse combination according to claim 1, characterized in that an insulating sleeve (4) is sleeved outside the joint of the fusion tube (3) and the contact arm (6), a tulip contact (7) is arranged outside the contact arm (6), and a fuse clip (5) is connected inside the contact arm (6).
7. A hand truck type load switch fuse combination according to claim 1, characterized in that a propulsion mechanism (12) is connected to the bottom of the operating mechanism body (1).
8. The handcart type load switch fuse combination according to claim 1, wherein a panel (11) is arranged on the operating mechanism body (1), and a closing button, a separating button, a manual energy storage operating hole, a spring energy storage state indication board and a closing indication board are arranged on the panel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022479368.4U CN214068601U (en) | 2021-07-13 | 2021-07-13 | Handcart type load switch fuse combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022479368.4U CN214068601U (en) | 2021-07-13 | 2021-07-13 | Handcart type load switch fuse combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214068601U true CN214068601U (en) | 2021-08-27 |
Family
ID=77400681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022479368.4U Active CN214068601U (en) | 2021-07-13 | 2021-07-13 | Handcart type load switch fuse combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214068601U (en) |
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2021
- 2021-07-13 CN CN202022479368.4U patent/CN214068601U/en active Active
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