CN113675773B - Handcart propulsion device for metal armoured movable switch cabinet - Google Patents
Handcart propulsion device for metal armoured movable switch cabinet Download PDFInfo
- Publication number
- CN113675773B CN113675773B CN202110970447.1A CN202110970447A CN113675773B CN 113675773 B CN113675773 B CN 113675773B CN 202110970447 A CN202110970447 A CN 202110970447A CN 113675773 B CN113675773 B CN 113675773B
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- Prior art keywords
- handcart
- piece
- limiting
- hole
- gear
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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
- H02B11/127—Withdrawal mechanism
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a handcart propelling device for a metal armoured movable switch cabinet, which comprises a cabinet door arranged on the outer side of a cabinet body and a handcart arranged on the inner side of the cabinet door, wherein a dustproof piece is arranged at the bottom of the cabinet door, a connecting piece is arranged on the outer side of the dustproof piece, and a driving device capable of controlling and adjusting according to different handcart propelling turns is arranged at the tail part of the connecting piece so as to propel the interior of the cabinet body of the handcart; the bottom of drive arrangement is equipped with the adjusting device that can adjust drive arrangement position height, and this handcart advancing device for metal armor formula cubical switchboard has replaced traditional handcart through the manual rotation hand rocker to the cubical switchboard and has advanced the release, carries out electric drive to the handcart through drive arrangement, and drive arrangement independently sets up simultaneously, can not increase the occupation of land space of cubical switchboard, can drive different specification heights through stop device cooperation adjusting device, and the handcart of different propulsion number of turns, the power failure maintenance efficiency of effectual improvement transformer substation.
Description
Technical Field
The invention relates to the technical field of switch cabinet propulsion, in particular to a handcart propulsion device for a metal armored movable switch cabinet.
Background
The metal armoured fixed high-voltage switch cabinet is generally used indoors, a compartment adopts a metal partition plate, fault arc can be limited in the generated compartment, the arc touches the metal partition plate and is led into the ground, the safety is good, the price is high, the circuit breaker is convenient to replace, the middle-arranged type high-voltage switch cabinet is more in use, the circuit breaker is inconvenient to replace, the metal armoured fixed high-voltage switch cabinet is mainly used for reinforcing insulating products in high-altitude areas, and main electrical elements (such as the circuit breaker) in the movable type indicating cabinet are arranged on a withdrawable handcart.
The handcart enters and exits the cabinet body, the handcart is generally pushed through a hand-operated internal driving piece, when a power failure maintenance occurs in a transformer substation, a large amount of manpower is consumed to push the handcart or push the handcart out, the mode is time-consuming and labor-consuming for workers, and the efficiency is low, so that the maintenance efficiency of the power station is affected. Therefore, we propose a handcart propulsion device for a metal armoured movable switch cabinet.
Disclosure of Invention
The invention aims to provide a handcart propulsion device for a metal armored movable switch cabinet, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the handcart propulsion device for the metal armored movable switch cabinet comprises a cabinet door arranged on the outer side of a cabinet body and a handcart arranged on the inner side of the cabinet door, wherein a dustproof piece is arranged at the bottom of the cabinet door and is arranged at a driving position of the handcart; the outer side of the dustproof piece is provided with a connecting piece, and the tail part of the connecting piece is provided with a driving device which can be controlled and regulated according to different pushing turns of the handcart and pushes the handcart box body into the handcart box body; the bottom of the driving device is provided with an adjusting device capable of adjusting the position height of the driving device.
Preferably, the dustproof piece is including setting up the through-hole in cabinet door bottom, the side of through-hole is equipped with the locating part, be equipped with the slider in the through-hole, be convenient for prevent dust to the cabinet is inside.
Preferably, the limiting piece is including setting up four fixed orificess in the through-hole side, the tip fixed mounting of fixed orificess has spacing spring, the terminal fixedly connected with stopper of spacing spring, the terminal surface of stopper is the inclined plane, is convenient for carry out spacingly to the dust keeper.
Preferably, the slider includes the go-between of slidable mounting in the through-hole, the go-between outside is equipped with the spacing hole that corresponds with the fixed orifices, be equipped with the square groove in the middle of the go-between, slidable mounting has the square piece in the square groove, the side of square piece all is equipped with the fixture block, the side of square groove is equipped with the draw-in groove, fixed mounting has fixed magnetic sheet in the draw-in groove, the bottom fixed mounting of square piece has the connection magnetic sheet, and the connecting sleeve of being convenient for slides to in the handcart.
Preferably, the connecting piece includes the connecting sleeve of rotation installation in the mounting box side and sets up the connecting hole in the go-between side, connecting sleeve's tip fixed mounting has the connecting rod, the side of connecting rod is the inclined plane, connecting rod and connecting hole one-to-one, the drive arrangement of being convenient for and the drive department end connection of handcart.
Preferably, the driving device comprises a fixing rod arranged inside the installation box, one end of the fixing rod is fixedly connected with the connecting sleeve, the other end of the fixing rod is fixedly connected with the driving gear, the side surface of the driving gear is meshed with the rotating gear, the middle of the rotating gear is fixedly connected with a driving motor, the bottom of the driving motor is fixedly provided with an L plate, the L plate is fixedly arranged on the bottom plate of the installation box, a limiting device capable of counting the rotation of the rotating gear is arranged on the side surface of the rotating gear, and the driving connecting sleeve is convenient to drive the driving part in the handcart to rotate.
Preferably, the stop device includes fixed mounting at the fixed disk of rotation gear one side, the opposite side fixed mounting of rotation gear has the bracing piece, bracing piece fixed mounting is on the inner wall of installing the case, the side of fixed disk is equipped with two limit keys, limit gear's top meshing has limit gear, limit gear's top meshing's count rack, count rack slidable mounting is on the slide rail at installing box top, the one end top fixed mounting of count rack has the connecting block, the top fixed mounting of connecting block has the slider, and its side is equipped with the pointer, the indicating end of pointer is equipped with the counter, counter fixed mounting is in the top outside of installing the case, is convenient for through adjusting the pointer at counter position control driving piece drive number of turns.
Preferably, the adjusting device comprises a movable foot rest fixedly mounted at the bottom of the mounting box, a fixed end of the movable foot rest is provided with a fixed cross beam, a movable end of the movable foot rest is provided with a movable cross beam, a threaded rod is arranged in the middle of the fixed cross beam, the threaded rod penetrates through the movable cross beam and is in threaded connection with a rotating ring, the rotating ring is arranged above the movable cross beam, a brake caster is fixedly mounted at the bottom of the movable foot rest, and the height position of the mounting box and the internal element of the mounting box is convenient to adjust.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the traditional handcart of the switch cabinet is pushed out by pushing the manual rotating hand-operated rod, the handcart is driven by the driving device in an electric mode, meanwhile, the driving device is independently arranged, the occupied space of the switch cabinet is not increased, the trolleys with different specifications and different pushing turns can be driven by the limiting device in cooperation with the adjusting device, and the power failure maintenance efficiency of the transformer substation is effectively improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an expanded view of the structure of the present invention;
FIG. 3 is a schematic view of the structure of the cabinet door of the present invention;
FIG. 4 is a schematic view of the structure of the invention except for a handcart and a cabinet door;
FIG. 5 is a schematic view of the side panel of the mounting box of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic view of the other side of FIG. 5 according to the present invention;
FIG. 7 is an enlarged view of part A of FIG. 2 in accordance with the present invention;
FIG. 8 is an enlarged view of part B of FIG. 2 in accordance with the present invention;
FIG. 9 is an enlarged view of part C of FIG. 3 in accordance with the present invention;
FIG. 10 is an enlarged view of part D of FIG. 4 in accordance with the present invention;
FIG. 11 is an enlarged view of part E of FIG. 5 in accordance with the present invention;
fig. 12 is an enlarged view of part F of fig. 5 in accordance with the present invention.
In the figure: 1, a cabinet door; 2-a handcart; 3-a dust guard; 4-connecting piece; 5-a driving device; 6-adjusting means; 7-through holes; 8-limiting pieces; 9-a slider; 10-fixing holes; 11-limiting springs; 12-limiting blocks; 13-a connecting ring; 14-limiting holes; 15-square grooves; 16-square sheets; 17-clamping blocks; 18-clamping grooves; 19-fixing the magnetic sheet; 20-connecting magnetic sheets; 21-mounting a box; 22-connecting sleeve; 23-connecting holes; 24-connecting rods; 25-fixing rod; 26-a drive gear; 27-rotating a gear; 28-driving a motor; 29-L plates; 30-a limiting device; 31-a fixed disk; 32-supporting rods; 33-limit keys; 34-a limit gear; 35-counting racks; 36-connecting blocks; 37-slide block; 38-pointer; 39-counting rule; 40-movable foot stand; 41-fixing the cross beam; 42-a movable cross beam; 43-a threaded rod; 44-rotating a ring; 45-brake castor.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-12, the present invention provides a technical solution: the pushing device of the handcart 2 for the metal armored movable switch cabinet comprises a cabinet door 1 arranged on the outer side of a cabinet body and a handcart 2 arranged on the inner side of the cabinet door 1, wherein a dustproof piece 3 is arranged at the bottom of the cabinet door 1, and the dustproof piece 3 is arranged at a worm gear driving position of the handcart 2; the outer side of the dustproof piece 3 is provided with a connecting piece 4, and the tail part of the connecting piece 4 is provided with a driving device 5 which can be controlled and regulated according to different pushing turns of the handcart 2 and pushes the inside of the cabinet body of the handcart 2; the bottom of the driving device 5 is provided with an adjusting device 6 which can adjust the position height of the driving device 5.
The dustproof piece 3 comprises a through hole 7 arranged at the bottom of the cabinet door 1, a limiting piece 8 is arranged on the side face of the through hole 7, and a sliding piece 9 is arranged in the through hole 7.
The limiting piece 8 comprises four fixing holes 10 arranged on the side face of the through hole 7, a limiting spring 11 is fixedly arranged at the end part of the fixing hole 10, a limiting block 12 is fixedly connected with the tail end of the limiting spring 11, the end face of the limiting block 12 is an inclined plane, and the limiting block 12 in the limiting hole 14 is pushed into the fixing hole 10 by a connecting rod 24.
The sliding piece 9 comprises a connecting ring 13 which is slidably arranged in the through hole 7, a limiting hole 14 corresponding to the fixing hole 10 is formed in the outer side of the connecting ring 13, a square groove 15 is formed in the middle of the connecting ring 13, a square piece 16 is slidably arranged in the square groove 15, clamping blocks 17 are arranged on the side faces of the square piece 16, clamping grooves 18 are formed in the side faces of the square groove 15, a fixing magnetic sheet 19 is fixedly arranged in the clamping grooves 18, a connecting magnetic sheet 20 is fixedly arranged at the bottom of the square piece 16, a connecting rod 24 continues to push the connecting ring 13 to slide forwards, the clamping blocks 17 on the side faces of the square piece 16 slide out of the clamping grooves 18, and the end parts of driving parts of the handcart 2 are fixedly stopped under the action of magnetic force of the connecting magnetic sheet 20, so that the connecting sleeve 22 is slidably connected with driving parts of the handcart 2.
The connecting piece 4 comprises a connecting sleeve 22 rotatably arranged on the side surface of the mounting box 21 and a connecting hole 23 formed in the side surface of the connecting ring 13, a connecting rod 24 is fixedly arranged at the end part of the connecting sleeve 22, the side surface of the connecting rod 24 is an inclined surface, the connecting rods 24 are in one-to-one correspondence with the connecting holes 23, the mounting box 21 is pushed, the connecting rods 24 on the connecting sleeve rod are connected with the side surface of the mounting box 21, and the connecting holes 23 are formed in the connecting rod 24, so that the end parts of the connecting sleeve 22 are convenient to be connected by matching with the rotating ring 44.
The driving device 5 comprises a fixing rod 25 arranged inside the mounting box 21, one end of the fixing rod 25 is fixedly connected with a connecting sleeve 22, the other end of the fixing rod 25 is fixedly connected with a driving gear 26, a rotating gear 27 is meshed with the side face of the driving gear 26, a driving motor 28 is fixedly connected with the middle of the rotating gear 27, an L plate 29 is fixedly arranged at the bottom of the driving motor 28, the L plate 29 is fixedly arranged on the bottom plate of the mounting box 21, a limiting device 30 capable of counting the rotation of the rotating gear 27 is arranged on the side face of the rotating gear 27, the driving motor 28 is started to rotate positively, the rotating gear 27 is driven to be meshed with the driving gear 26, and accordingly the connecting sleeve 22 at the end of the fixing rod 25 on the side face of the driving gear 26 is driven to rotate, and the handcart 2 in the cabinet is propelled.
The limiting device 30 comprises a fixed disc 31 fixedly arranged on one side of a rotating gear 27, a supporting rod 32 is fixedly arranged on the other side of the rotating gear 27, the supporting rod 32 is fixedly arranged on the inner wall of a mounting box 21, two limiting keys 33 are arranged on the side face of the fixed disc 31, a limiting gear 34 is meshed with the upper side of the limiting key 33, a counting rack 35 meshed with the upper side of the limiting gear 34 is slidably arranged on a sliding rail on the top of the mounting box, a connecting block 36 is fixedly arranged above one end of the counting rack 35, a sliding block 37 is fixedly arranged on the top of the connecting block 36, a pointer 38 is arranged on the side face of the sliding block, a counting ruler 39 is arranged at the indicating end of the pointer 38, the counting ruler 39 is fixedly arranged on the outer side of the top of the mounting box 21, the sliding block 37 drives the pointer 38 to point to the proper position of the counting ruler 39, and simultaneously drives the counting rack 35 to move to the proper position, so that technical limitation of the driving device 5 is facilitated.
The adjusting device 6 comprises a movable foot rest 40 fixedly installed at the bottom of the installation box 21, a fixed end of the movable foot rest 40 is provided with a fixed cross beam 41, a movable cross beam 42 is arranged at the movable end of the movable foot rest 40, a threaded rod 43 is arranged in the middle of the fixed cross beam 41, the threaded rod 43 penetrates through the movable cross beam 42 and is in threaded connection with a rotating ring 44, the rotating ring 44 is arranged above the movable cross beam 42, a brake castor 45 is fixedly installed at the bottom of the movable foot rest 40, and the rotating ring 44 drives the movable end of the movable foot rest 40 to extend out of the fixed end, so that the height of the installation box 21 and internal elements thereof is adjusted.
Working principle: for different switch cabinets, the movable end of the movable foot rest 40 is driven to extend out of the fixed end by the rotating ring 44, so that the height of the mounting box 21 and the internal elements thereof can be adjusted, according to the specification of the handcart 2, the sliding slider 37 drives the pointer 38 to point to the proper position of the counting ruler 39, meanwhile drives the counting rack 35 to move to the proper position, the mounting box 21 is pushed, the side surface of the mounting box 21 is connected with the connecting rod 24 on the sleeve rod to be connected with the connecting hole 23, the connecting rod 24 pushes the limiting block 12 in the limiting hole 14 into the fixed hole 10, the connecting rod 24 continues to push forward, the connecting ring 13 is pushed to slide forward, the clamping block 17 on the side surface of the square sheet 16 slides out of the clamping groove 18, the end part of the driving part of the handcart 2 is fixedly stopped under the magnetic force action of the connecting magnetic sheet 20, the braking trundle 45 is locked, the driving motor 28 is started to rotate forward, the rotating gear 27 is driven to be meshed with the driving gear 26, the connecting sleeve 22 at the end part of the fixing rod 25 on the side surface of the driving gear 26 is driven to rotate, the handcart 2 in the cabinet body is propelled, the limit key 33 on the fixing disc 31 is meshed with the limit gear 34 once when the rotating gear rotates, the counting rack 35 is driven to reset once, the counting rack 35 is completely reset and then is propelled, the brake caster 45 is loosened to retract the mounting box 21, the square sheet 16 is driven to slide out by the clamping groove 18 in the pushing-out process of the connecting rod 24, the square sheet 16 is fixedly arranged in the square groove 15 in cooperation with the fixing magnetic sheet 19 on the clamping block 17, and after the connecting rod 24 is pushed out of the connecting hole 23, the limit block 12 is clamped into the limit hole 14 from the fixing hole 10 under the effect of the limit spring 11, so that the dustproof effect of the through hole 7 is kept.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a handcart (2) advancing device for metal armor removal formula cubical switchboard, includes cabinet door (1) and handcart (2) of setting inboard at cabinet door (1) in the cabinet body outside, its characterized in that: a dustproof piece (3) is arranged at the bottom of the cabinet door (1), and the dustproof piece (3) is arranged at a worm and gear driving position of the handcart (2);
the outer side of the dustproof piece (3) is provided with a connecting piece (4), and the tail part of the connecting piece (4) is provided with a driving device (5) which can be controlled and regulated according to the propelling turns of different carts (2) to propel the box body of the carts (2);
the bottom of the driving device (5) is provided with an adjusting device (6) capable of adjusting the position height of the driving device (5), the driving device (5) comprises a fixed rod (25) arranged inside a mounting box (21), one end of the fixed rod (25) is fixedly connected with a connecting sleeve (22), the other end of the fixed rod (25) is fixedly connected with a driving gear (26), the side surface of the driving gear (26) is meshed with a rotating gear (27), the middle of the rotating gear (27) is fixedly connected with a driving motor (28), the bottom of the driving motor (28) is fixedly provided with an L plate (29), the L plate (29) is fixedly arranged on a bottom plate of the mounting box (21), the side surface of the rotating gear (27) is provided with a limiting device (30) capable of counting the rotation of the rotating gear (27), the limiting device (30) comprises a fixed disc (31) fixedly arranged on one side of the rotating gear (27), the other side of the rotating gear (27) is fixedly provided with a supporting rod (32), the supporting rod (32) is fixedly arranged on the inner wall (21) of the mounting box (21) and is provided with a limiting disc (33) fixedly meshed with a limiting key (33), the utility model discloses a counting rack, including spacing gear (34), count rack (35) of top meshing, count rack (35) slidable mounting is on the slide rail at mounting box top, one end top fixed mounting of count rack (35) has connecting block (36), the top fixed mounting of connecting block (36) has slider (37), and its side is equipped with pointer (38), the indicating end of pointer (38) is equipped with counting ruler (39), counting ruler (39) fixed mounting is in the top outside of mounting box (21).
2. A push device for a metal armoured mobile switching cabinet trolley (2) according to claim 1, characterized in that: the dustproof piece (3) comprises a through hole (7) arranged at the bottom of the cabinet door (1), a limiting piece (8) is arranged on the side face of the through hole (7), and a sliding piece (9) is arranged in the through hole (7).
3. A push device for a metal armoured mobile switching cabinet trolley (2) according to claim 2, characterized in that: the limiting piece (8) comprises four fixing holes (10) arranged on the side face of the through hole (7), a limiting spring (11) is fixedly arranged at the end part of the fixing hole (10), a limiting block (12) is fixedly connected with the tail end of the limiting spring (11), and the end face of the limiting block (12) is an inclined plane.
4. A push device for a metal armoured mobile switching cabinet trolley (2) according to claim 2, characterized in that: the sliding part (9) comprises a connecting ring (13) which is slidably mounted in a through hole (7), a limiting hole (14) corresponding to the fixing hole (10) is formed in the outer side of the connecting ring (13), a square groove (15) is formed in the middle of the connecting ring (13), a square piece (16) is slidably mounted in the square groove (15), clamping blocks (17) are arranged on the side face of the square piece (16), clamping grooves (18) are formed in the side face of the square groove (15), fixing magnetic pieces (19) are fixedly mounted in the clamping grooves (18), and connecting magnetic pieces (20) are fixedly mounted at the bottom of the square piece (16).
5. A push device for a metal armoured mobile switching cabinet trolley (2) according to claim 1, characterized in that: the connecting piece (4) comprises a connecting sleeve (22) rotatably arranged on the side face of the mounting box (21) and a connecting hole (23) arranged on the side face of the connecting ring (13), a connecting rod (24) is fixedly arranged at the end part of the connecting sleeve (22), the side face of the connecting rod (24) is an inclined plane, and the connecting rods (24) are in one-to-one correspondence with the connecting holes (23).
6. A push device for a metal armoured mobile switching cabinet trolley (2) according to claim 1, characterized in that: the adjusting device (6) comprises a movable foot rest (40) fixedly installed at the bottom of the installation box (21), a fixed end of the movable foot rest (40) is provided with a fixed cross beam (41), a movable cross beam (42) is arranged at the movable end of the movable foot rest, a threaded rod (43) is arranged in the middle of the fixed cross beam (41), the threaded rod (43) penetrates through the movable cross beam (42) and is in threaded connection with a rotating ring (44), the rotating ring (44) is arranged above the movable cross beam (42), and a brake caster (45) is fixedly installed at the bottom of the movable foot rest (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110970447.1A CN113675773B (en) | 2021-08-23 | 2021-08-23 | Handcart propulsion device for metal armoured movable switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110970447.1A CN113675773B (en) | 2021-08-23 | 2021-08-23 | Handcart propulsion device for metal armoured movable switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113675773A CN113675773A (en) | 2021-11-19 |
| CN113675773B true CN113675773B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110970447.1A Active CN113675773B (en) | 2021-08-23 | 2021-08-23 | Handcart propulsion device for metal armoured movable switch cabinet |
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| CN (1) | CN113675773B (en) |
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| CN103594946A (en) * | 2013-11-12 | 2014-02-19 | 国网河南省电力公司濮阳供电公司 | Electric operating device of high voltage handcart of electric power high voltage switch cabinet |
| CN204243580U (en) * | 2014-12-11 | 2015-04-01 | 国家电网公司 | Intermediate switchgear cabinet electric handcart device |
| CN106451174A (en) * | 2016-08-31 | 2017-02-22 | 兴盛电器股份有限公司 | Central switch cabinet electric handcart outgoing and incoming device |
| CN108471073A (en) * | 2018-04-12 | 2018-08-31 | 国家电网公司 | A kind of middle-placed switch cabinet switching on/off handcart automatic propelling device |
| CN211088780U (en) * | 2019-11-15 | 2020-07-24 | 朱影波 | Novel electrical control cabinet for mechanical engineering |
| CN211480713U (en) * | 2020-01-21 | 2020-09-11 | 天水长城电力高低压设备有限公司 | Handcart switch rocker arm structure based on switch cabinet |
| AU2020103232A4 (en) * | 2018-04-08 | 2021-01-14 | Daqo Group Co., Ltd. | Alternate push mechanism for drawers |
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2021
- 2021-08-23 CN CN202110970447.1A patent/CN113675773B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594946A (en) * | 2013-11-12 | 2014-02-19 | 国网河南省电力公司濮阳供电公司 | Electric operating device of high voltage handcart of electric power high voltage switch cabinet |
| CN204243580U (en) * | 2014-12-11 | 2015-04-01 | 国家电网公司 | Intermediate switchgear cabinet electric handcart device |
| CN106451174A (en) * | 2016-08-31 | 2017-02-22 | 兴盛电器股份有限公司 | Central switch cabinet electric handcart outgoing and incoming device |
| AU2020103232A4 (en) * | 2018-04-08 | 2021-01-14 | Daqo Group Co., Ltd. | Alternate push mechanism for drawers |
| CN108471073A (en) * | 2018-04-12 | 2018-08-31 | 国家电网公司 | A kind of middle-placed switch cabinet switching on/off handcart automatic propelling device |
| CN211088780U (en) * | 2019-11-15 | 2020-07-24 | 朱影波 | Novel electrical control cabinet for mechanical engineering |
| CN211480713U (en) * | 2020-01-21 | 2020-09-11 | 天水长城电力高低压设备有限公司 | Handcart switch rocker arm structure based on switch cabinet |
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| CN113675773A (en) | 2021-11-19 |
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