CN112736748A - Handcart type self-locking switch cabinet and handcart operation method - Google Patents
Handcart type self-locking switch cabinet and handcart operation method Download PDFInfo
- Publication number
- CN112736748A CN112736748A CN202011230250.6A CN202011230250A CN112736748A CN 112736748 A CN112736748 A CN 112736748A CN 202011230250 A CN202011230250 A CN 202011230250A CN 112736748 A CN112736748 A CN 112736748A
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- Prior art keywords
- handcart
- hook
- locking
- hooks
- switch cabinet
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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
- H02B11/133—Withdrawal mechanism with interlock
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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
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Abstract
The invention relates to a handcart type self-locking switch cabinet and a handcart operation method. Its technical scheme does, a handcart-type auto-lock cubical switchboard, includes the handcart shallow and the cabinet body: the handcart cart is provided with two symmetrical hooks, the front parts of the hooks protrude out of the object placing table, the middle parts of the hooks are fixed through a first hinge shaft, the rear parts of the hooks are provided with a first spring, and the force application direction of the first spring vertically points to the symmetrical shafts of the two hooks; two locking rods are symmetrically arranged in the cabinet body, a pull hook part is arranged at one end of each locking rod, the distance between the pull hook parts is matched with that of the hook, each locking rod is L-shaped, a second hinge shaft is arranged at the other end of each locking rod, and the two locking rods are fixed at the same position by the second hinge shaft; the hook part is matched and locked with the hook. The handcart locking device has the advantages that the locking structure is arranged inside the article placing table and the cabinet body, the handcart can be automatically locked through the spring only by butting the handcart cart with the cabinet body of the switch cabinet, manual locking is not needed, the handcart cannot be forgotten to be locked and is not touched by mistake, and the risk that the handcart falls off due to accidental unlocking is avoided.
Description
Technical Field
The invention relates to the field of switch cabinet equipment, in particular to a handcart type self-locking switch cabinet and a handcart operation method.
Background
The handcart type switch cabinet is a novel switch cabinet, and is characterized in that main elements in the cabinet are arranged on a handcart which can be drawn out of a cabinet body, and the handcart type switch cabinet is divided into an isolation handcart, a metering handcart, a circuit breaker handcart, a capacitor handcart and the like according to different arranged elements, because the main functional elements are integrated on the handcart, the handcart type switch cabinet has the advantages of convenient maintenance and strong interchangeability, but also brings the problem of huge dead weight of the handcart,
therefore, a special handcart needs to be matched when the handcart is pulled out, the handcart needs to be strictly fixed with a switch cabinet when the handcart is used, otherwise, the handcart is easy to push the handcart away from the position when pulled, and the handcart falls to cause accidents.
The existing handcart cart and the switch cabinet can realize locking of the handcart cart and the switch cabinet, but the locking structure of the handcart cart and the switch cabinet needs to manually pull a handle, the handle is located outside the handcart cart, and workers can forget to lock or miss the handle to unlock accidentally during operation, so that the handcart is in risk of falling.
Disclosure of Invention
The invention provides a handcart type self-locking switch cabinet capable of automatically locking and unlocking according to the position of a handcart, aiming at the problems that the connection between the handcart and the switch cabinet needs manual locking and the handcart can be forgotten to be locked or unlocked accidentally.
In order to solve the problems, the technical scheme adopted by the invention is that the handcart type self-locking switch cabinet comprises a handcart and a cabinet body: the handcart cart comprises a storage table, wherein a hollow interlayer I is arranged at the front part of the storage table, two symmetrical hooks are arranged in the interlayer I, the front part of each hook protrudes out of the storage table, the middle part of each hook is fixed on the storage table through a hinge shaft I, a spring I is arranged at the rear part of each hook, and the force application direction of the spring I vertically points to the symmetrical shafts of the two hooks; the cabinet body is internally provided with an accommodating cavity used for placing a handcart, an interlayer II is arranged below the accommodating cavity, two locking rods are symmetrically arranged in the interlayer II, one ends of the locking rods are provided with pull hook parts, the space between the pull hook parts is matched with the hook, the locking rods are L-shaped, the other ends of the locking rods are provided with hinge shafts II, and the two locking rods are fixed at the same position in the interlayer II by the hinge shafts II; the two hooks are inserted between the two hook parts and are locked in a matching way. The locking structure is in the inside of putting thing platform and the cabinet body, only needs can pass through the automatic locking of spring with the cabinet body butt joint of handcart shallow and cubical switchboard, need not artifical locking, can not take place to forget the lock and miss the unblock of touching, has avoided the risk that unexpected unblock made the handcart drop.
Preferably, the front part of the upper surface of the object placing table is provided with a square groove, the square groove is positioned right above the hooks, the square groove is internally provided with a turning block, the turning block is arranged in the square groove through a turning block shaft, the turning block shaft is perpendicular to the hooks, and the length of the turning block along the turning block shaft direction is equal to the interval between the two hooks. The handcart pushes down the turning block and supports the hook in the pushing and pulling process, so that the hook cannot be pulled off due to pushing and pulling of the handcart, and the locking firmness is further improved.
Preferably, the upper surface of the object placing table is provided with two parallel first guide rails, and the distance between the two first guide rails is matched with the wheel track of the handcart to be installed. The handcart is heavy, the guide rail is arranged to assist the handcart to push and pull, the mounting position of the handcart does not need to be adjusted repeatedly, and the operation is more convenient.
Preferably, the rear part of the upper surface of the object placing table is provided with a rear baffle, and the length of the rear baffle is not less than the distance between the first two guide rails. The handcart is prevented from being excessively pulled out and falling from the rear of the handcart.
Preferably, put thing platform below and be equipped with the bottom plate, put the thing platform and pass through the stand with the bottom plate and be connected, the bottom plate lower surface is equipped with the universal wheel. Is convenient for moving the transport handcart.
Preferably, the hinge device further comprises a push rod and two connecting rods, the push rod is arranged right behind the second hinge shaft, a hinge part is arranged at the front part of the push rod, a second spring is arranged at the rear end of the push rod, one end of each connecting rod is hinged with the hinge part, and the other end of each connecting rod is hinged with the turning part of the locking rod. The two locking rods are synchronously locked or unlocked, the operation is smoother and more convenient, and the spring enables the locking mechanism to be automatically locked or reset.
Preferably, the upper surface of push rod is equipped with the promotion portion, and the promotion position is located and holds the chamber rear portion, and it has the rectangular hole to open on the bottom plate that holds the chamber, and promotion portion passes the rectangular hole and can move in the rectangular hole. The push rod is triggered to be unlocked by the handcart through the pushing portion, and only when the handcart is pushed in place, the handcart can be unlocked, so that the handcart cannot be unlocked accidentally in the pushing back process, or the handcart can be unlocked when not pushed back in place, and the installation position is guaranteed to be accurate and in place while the handcart is prevented from falling.
Preferably, the bottom plate of the accommodating cavity is provided with two parallel guide rails II, and the distance between the guide rails II is matched with the wheel track of the handcart to be installed. The guide rail is arranged to assist the push-pull of the handcart, the installation position of the handcart does not need to be adjusted repeatedly, and the operation is more convenient.
The invention also provides a handcart operation method, which comprises the following steps:
moving the handcart cart to the right front of the cabinet body to enable the hook to be opposite to the socket;
pushing the handcart cart to enable the hook to be inserted into the socket, rotating the hook around the first hinge shaft at the moment, moving the front end of the hook inwards, moving the rear end outwards and compressing the first spring, separating the hook pulling part of the locking rod towards two sides, rotating the locking rod along the second hinge shaft, pushing the push rod to move through the connecting rod, and compressing the second spring;
when the handcart cart reaches a locking position, the first spring and the second spring are released, the hook and the locking rod are reset, the front part of the hook is matched and locked with the hook part, and the first guide rail is matched and butted with the second guide rail;
the handcart is pulled out from the accommodating cavity along the guide rail II and the guide rail I;
the handcart presses down the turning block in the pulling process, and the turning block is positioned between the two hooks and props against the hooks, so that the hooks cannot rotate and loosen;
operating the handcart;
after the operation is finished, pushing the handcart back to the accommodating cavity along the first guide rail and the second guide rail;
after the handcart completely enters the accommodating cavity, the handcart is pushed for a certain distance, and the handcart pushes the pushing part;
the pushing part drives the push rod to move backwards and drives the locking rod through the connecting rod, and the hook pulling part moves towards two sides to release the hook;
the handcart and the cabinet body are unlocked;
the hand truck cart is pushed back to the storage position.
According to the technical scheme, the invention has the advantages that:
1. automatic locking and unlocking are realized, and the risk of forgetting locking or accidentally unlocking by mistake during manual locking is avoided;
2. the mechanism is locked in the pushing and pulling process of the handcart, so that the handcart is prevented from being pulled and taken off due to the movement of the handcart;
3. the handcart is pushed and pulled, the installation position is accurate, and manual adjustment is not needed.
Meanwhile, the handcart operation method provided by the invention is simple to operate and good in safety.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a handcart disclosed by the invention.
Fig. 2 is a top sectional view of the article placing table of the handcart and cart in the invention.
Fig. 3 is a side sectional view of the article placing table of the handcart and cart in the invention.
Fig. 4 is a schematic structural view of the locking state at a in fig. 3.
Fig. 5 is a schematic structural view of the cabinet body in the invention.
Fig. 6 is a top sectional view of the cabinet of the present invention.
Fig. 7 is a schematic view of the usage state of the present invention.
Fig. 8 is a top sectional view of fig. 7.
In the figure: 1. the device comprises a storage table, 2 hooks, 3 turning blocks, 31 turning block shafts, 4 springs, one spring, 5 bottom plates, 6 universal wheels, 7-1 guide rails, 8 hinge shafts and 9 rear baffles;
7-2, a second guide rail, 10, a cabinet body, 11, a containing cavity, 12, a socket, 13, a push rod, 131, a push part, 132, a hinge part, 14, a connecting rod, 15, a locking rod, 151, a hook pulling part, 152, a turning part, 153, a second hinge shaft, 16, a limiting block, 17 and a second spring;
00. a hand truck.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
As shown in fig. 1 to 8, a handcart type self-locking switch cabinet comprises a handcart and a cabinet body 10:
the handcart cart comprises a storage platform 1, a hollow interlayer I is arranged at the front part of the storage platform 1, two symmetrical hooks 2 are arranged in the interlayer I, the front part of each hook 2 protrudes out of the storage platform 1, the middle part of each hook 2 is fixed on the storage platform 1 through a hinge shaft I8, a spring I4 is arranged at the rear part of each hook 2, and the force application direction of the spring I4 vertically points to the symmetrical shafts of the two hooks 2; the upper surface of the object placing table 1 is provided with two parallel guide rails I7-1, and the distance between the two guide rails I7-1 is matched with the wheel track of the handcart; the front part of the upper surface of the object placing table 1 is provided with a square groove, the square groove is positioned between two guide rails I7-1, a turning block 3 is arranged right above the hook 2, the square groove is internally provided with the turning block 3, the turning block 3 is arranged in the square groove through a turning block shaft 31, the turning block shaft 31 is vertical to the hook 2, the length of the turning block 3 along the turning block shaft 31 direction is equal to the interval between the two hooks 2, the turning block 3 is pressed down (as shown in figures 4 and 8) when a handcart is pushed and pulled, and two ends of the turning block 3 prop against a hinge shaft I8 of the hook 2, so that the hook 2 cannot be rotated and unlocked; a rear baffle 9 is arranged at the rear part of the upper surface of the object placing table 1, and the length of the rear baffle 9 is not less than the distance between the two guide rails I7-1; a bottom plate 5 is arranged below the object placing table 1, the object placing table 1 is connected with the bottom plate 5 through a stand column, and universal wheels 6 are arranged on the lower surface of the bottom plate 5;
the cabinet body 10 is provided with a containing cavity 11, the containing cavity 11 is used for placing a handcart, a bottom plate of the containing cavity 11 is provided with two parallel guide rails 7-2, the distance between the two guide rails 7-2 is matched with the wheel track of the handcart to be installed, and an interlayer II is arranged below the containing cavity: two L-shaped locking rods 15 are symmetrically arranged in the second interlayer, one end of each locking rod 15 is provided with a pull hook part 151, the distance between the pull hook parts 151 is matched with that of the hook 2, a limit block 16 is arranged in the second interlayer, the limit block 16 is positioned on the inner sides of the two locking rods 15 and tightly attached to the locking rods 15, the other end of each locking rod 15 is provided with a second hinge shaft 153, the two hinge shafts 153 fix the two locking rods 15 at the same position in the second interlayer, the turning part 152 of each locking rod 15 is hinged with one end of a connecting rod 14, the other end of the connecting rod 14 is hinged with a push rod 13, the push rod 13 is arranged right behind the second hinge shaft 153, the front part of the push rod 13 is provided with a hinge part 132, the hinge part 132 and the push rod 13 are in a T shape, the two connecting rods 14 are respectively hinged at two ends of the hinge part 132, the rear end of the push rod 13 is provided with a second spring 17, the pushing part 131 penetrates through the rectangular hole and can move in the rectangular hole; the other end of the connecting rod 14 is hinged with the turning part 152 of the locking rod 15;
when the handcart cart is butted with the cabinet body 10, the hook 2 is matched and locked with the pull hook part 151, and the relative position of the handcart cart and the cabinet body 10 is fixed.
Based on the device, the invention also provides a handcart operation method, which comprises the following steps:
moving the handcart cart to the right front of the cabinet body 10 to ensure that the hook 2 is opposite to the socket 12;
pushing the handcart cart to enable the hook 2 to be inserted into the socket 12, enabling the hook 2 to rotate around the first hinge shaft 8 at the moment, enabling the front end of the hook 2 to move inwards, enabling the rear end of the hook 2 to move outwards and compress the first spring 4, enabling the pull hook part 151 of the locking rod 15 to be separated towards two sides, enabling the locking rod 15 to rotate around the second hinge shaft 153, pushing the push rod 13 to move through the connecting rod 14, and compressing the second spring 17;
when the handcart cart reaches a locking position, the first spring 4 and the second spring 17 are released, the hook 2 and the locking rod 15 are reset, the front part of the hook 2 is matched and locked with the hook part 151, and at the moment, the first guide rail 7-1 is matched and butted with the second guide rail 7-2;
the handcart 00 is pulled out from the accommodating cavity 11 along the guide rail II 7-2 and the guide rail I7-1;
in the process of pulling out, the handcart 00 presses down the turning block 3, and the turning block 3 is positioned between the two hooks 2 and props against the hooks 2, so that the hooks 2 cannot rotate and loosen;
operating the handcart 00;
after the operation is finished, pushing the handcart 00 back to the accommodating cavity 11 along the first guide rail 7-1 and the second guide rail 7-2;
after the handcart 00 completely enters the accommodating cavity 11, the handcart 00 continues to push for a certain distance, and the handcart 00 pushes the pushing part 131;
the pushing part 131 drives the push rod 13 to move backwards, the connecting rod 14 drives the locking rod 15, the hook pulling part 151 moves towards two sides, and the hook 2 is loosened;
the handcart and the cabinet body 10 are unlocked;
the hand truck cart is pushed back to the storage position.
The above embodiment shows that the beneficial effects of the invention are as follows: the handcart cart and the switch cabinet body are automatically locked and unlocked, and the risk of forgetting to lock or accidentally unlocking by mistake during manual locking is avoided; the mechanism is locked in the pushing and pulling process of the handcart, so that the handcart is prevented from being pulled and taken off due to the movement of the handcart; the handcart is pushed and pulled, the installation position is accurate, and manual adjustment is not needed.
Meanwhile, the handcart operation method provided by the invention is simple to operate and good in safety.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A handcart type self-locking switch cabinet comprises a cabinet body (10) and a handcart cart, and is characterized in that the handcart cart comprises a storage platform (1), a hollow interlayer I is arranged at the front part of the storage platform (1), two symmetrical hooks (2) are arranged in the interlayer I, the front part of each hook (2) protrudes out of the storage platform (1), the middle part of each hook (2) is fixed in the storage platform (1) through a hinge shaft I (8), a spring I (4) is arranged at the rear part of each hook (2), and the force application direction of the spring I (4) vertically points to the symmetry shafts of the two hooks (2);
the handcart is characterized in that the cabinet body (10) comprises an accommodating cavity (11), the accommodating cavity (11) is used for placing a handcart, an interlayer II is arranged below the accommodating cavity (11), two locking rods (15) are symmetrically arranged in the interlayer II, one end of each locking rod (15) is provided with a hook part (151), the distance between the hook parts (151) is matched with the corresponding hook (2), each locking rod (15) is L-shaped, the other end of each locking rod (15) is provided with a hinge II (153), and the hinge II (153) fixes the two locking rods (15) at the same position in the interlayer II;
the hook (2) is inserted between the hook pulling parts (151), and the hook (2) is matched and locked with the hook pulling parts (151).
2. The handcart type self-locking switch cabinet according to claim 1, wherein a square groove is formed in the front of the upper surface of the object placing table (1), the square groove is located right above the hooks (2), a turning block (3) is installed in the square groove, the turning block (3) is installed in the square groove through a turning block shaft (31), the turning block shaft (31) is perpendicular to the hooks (2), and the length of the turning block (3) in the direction of the turning block shaft (31) is equal to the interval between the two hooks (2).
3. The handcart type self-locking switch cabinet according to claim 1 or 2, wherein the upper surface of the object placing table (1) is provided with two parallel guide rails I (7-1), and the distance between the two guide rails I (7-1) is matched with the wheel track of the handcart to be installed.
4. The handcart type self-locking switch cabinet according to claim 3, wherein a rear baffle (9) is arranged at the rear part of the upper surface of the object placing table (1), and the length of the rear baffle (9) is not less than the distance between the first guide rails (7-1).
5. The handcart type self-locking switch cabinet according to claim 1 or 2, wherein a bottom plate (5) is arranged below the object placing table (1), the object placing table (1) is connected with the bottom plate (5) through a stand column, and universal wheels (6) are arranged on the lower surface of the bottom plate (5).
6. The handcart type self-locking switch cabinet according to claim 1 or 2, further comprising a push rod (13) and two connecting rods (14), wherein the push rod (13) is arranged right behind the second hinge shaft (153), a hinge part (132) is arranged at the front part of the push rod (13), a second spring (17) is arranged at the rear end of the push rod (13), one end of the connecting rod (14) is hinged to the hinge part (132), and the other end of the connecting rod (14) is hinged to a turning part (152) of the locking rod (15).
7. The handcart type self-locking switch cabinet according to claim 6, wherein a pushing part (131) is arranged on the upper surface of the push rod (13), the pushing part (131) is positioned at the rear part of the accommodating cavity (11), a rectangular hole is formed in the bottom plate of the accommodating cavity (11), and the pushing part (131) penetrates through the rectangular hole and can move in the rectangular hole.
8. The handcart type self-locking switch cabinet according to claim 1 or 2, wherein the bottom plate of the accommodating cavity (11) is provided with two parallel second guide rails (7-2), and the distance between the second guide rails (7-2) is matched with the wheel track of the handcart to be installed.
9. A handcart operation method is characterized by comprising the following steps:
the handcart trolley is moved to the right front of the cabinet body (10), so that the hook (2) is opposite to the socket (12);
pushing the handcart cart to enable the hook (2) to be inserted into the socket (12), enabling the hook (2) to rotate around the first hinge shaft (8), enabling the front end of the hook (2) to move inwards, enabling the rear end of the hook (2) to move outwards and compress the first spring (4), enabling the hook pulling part (151) of the locking rod (15) to be separated towards two sides, enabling the locking rod (15) to rotate around the second hinge shaft (153), pushing the push rod (13) to move through the connecting rod (14), and compressing the second spring (17);
when the handcart cart reaches a locking position, the first spring (4) and the second spring (17) are released, the hook (2) and the locking rod (15) are reset, the front part of the hook (2) is locked in a matching way with the hook pulling part (151), and at the moment, the first guide rail (7-1) is in matching butt joint with the second guide rail (7-2);
pulling out the handcart (00) from the accommodating cavity (11) along the second guide rail (7-2) and the first guide rail (7-1);
the handcart (00) presses down the turning block (3) in the pulling-out process, and the turning block (3) is positioned between the two hooks (2) and props against the hooks (2) at the moment, so that the hooks (2) cannot rotate and loosen;
operating the handcart (00);
after the operation is finished, pushing the handcart (00) back to the accommodating cavity (11) along the first guide rail (7-1) and the second guide rail (7-2);
after the handcart (00) completely enters the accommodating cavity (11), the handcart (00) continues to push for a certain distance, and the handcart (00) pushes the pushing part (131);
the pushing part (131) drives the push rod (13) to move backwards, the connecting rod (14) drives the locking rod (15), the hook pulling part (151) moves towards two sides, and the hook (2) is loosened;
the handcart and the cabinet body (10) are unlocked;
the hand truck cart is pushed back to the storage position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011230250.6A CN112736748B (en) | 2020-11-06 | 2020-11-06 | Handcart type self-locking switch cabinet and handcart operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011230250.6A CN112736748B (en) | 2020-11-06 | 2020-11-06 | Handcart type self-locking switch cabinet and handcart operation method |
Publications (2)
| Publication Number | Publication Date |
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| CN112736748A true CN112736748A (en) | 2021-04-30 |
| CN112736748B CN112736748B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011230250.6A Active CN112736748B (en) | 2020-11-06 | 2020-11-06 | Handcart type self-locking switch cabinet and handcart operation method |
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| Country | Link |
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| CN (1) | CN112736748B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023155916A1 (en) * | 2022-02-21 | 2023-08-24 | 宁德时代新能源科技股份有限公司 | Positioning device of moving device and battery production line |
| CN116995554A (en) * | 2023-08-02 | 2023-11-03 | 江苏国控电力设备有限公司 | Handcart interlocking device and switch cabinet thereof |
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| CN208571399U (en) * | 2018-06-20 | 2019-03-01 | 法腾电力装备江苏有限公司 | A kind of minitype high voltage cabinet ground connection interlocking gear |
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| CN201174531Y (en) * | 2008-03-28 | 2008-12-31 | 江苏金华厦电气有限公司 | Interlocking device for carrier and door of distribution cabinet |
| CN102163814A (en) * | 2011-02-14 | 2011-08-24 | 天津保富电气有限公司 | Handcart of subway direct-current (DC) switch cabinet breaker |
| CN103683071A (en) * | 2013-12-03 | 2014-03-26 | 国家电网公司 | Special guide rail for handcart to access cabinet body of handcart type switch cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023155916A1 (en) * | 2022-02-21 | 2023-08-24 | 宁德时代新能源科技股份有限公司 | Positioning device of moving device and battery production line |
| CN116995554A (en) * | 2023-08-02 | 2023-11-03 | 江苏国控电力设备有限公司 | Handcart interlocking device and switch cabinet thereof |
| CN116995554B (en) * | 2023-08-02 | 2024-02-23 | 江苏国控电力设备有限公司 | Handcart interlocking device and switch cabinet thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112736748B (en) | 2022-10-11 |
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