CN105744792A - Tray bearing assembly for machine cabinet, and screen cabinet and prefabricated cabin equipped with same - Google Patents
Tray bearing assembly for machine cabinet, and screen cabinet and prefabricated cabin equipped with same Download PDFInfo
- Publication number
- CN105744792A CN105744792A CN201610169200.9A CN201610169200A CN105744792A CN 105744792 A CN105744792 A CN 105744792A CN 201610169200 A CN201610169200 A CN 201610169200A CN 105744792 A CN105744792 A CN 105744792A
- Authority
- CN
- China
- Prior art keywords
- pallet
- guide rail
- instrument
- moving guide
- cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012423 maintenance Methods 0.000 description 5
- 238000013475 authorization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/18—Construction of rack or frame
- H05K7/183—Construction of rack or frame support rails therefor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
- H05K7/1402—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards
- H05K7/1408—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards by a unique member which latches several boards, e.g. locking bars
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1424—Card cages
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to a tray bearing assembly for a machine cabinet, and a screen cabinet and a prefabricated cabin equipped with the same. The tray bearing assembly comprises a moving guide rail which is movably assembled in the machine cabinet body in a front-back direction, wherein an opening end of the machine cabinet body is arranged at the front end; a tray for mounting the corresponding instrument equipment is arranged at the front end of the moving guide rail; the tray is rotationally assembled on the moving guide rail; the rotating central axial line of the tray is perpendicular to the front-back direction; the forward moving travel of the moving guide rail is equipped with an operating station for rotating the back end of the instrument equipment forwardly to the outside of the cabinet body so as to allow an operator to carry out a corresponding operation at the back end of the instrument equipment when the tray rotates along with the instrument equipment. The back end of the instrument equipment can be rotated forwardly to the outside of the cabinet body, so that the operator can carry out the corresponding operation at the back end of the instrument equipment conveniently; and therefore, the operation requirements in different occasions can be satisfied, and a wider application range is achieved.
Description
Technical field
The present invention relates to a kind of rack tray bearing component and use screen cabinet and the prefabricated cabin of this assembly.
Background technology
Along with the proposition that New Generation of Intelligent transformer station modularity is built, the consumption that makes in prefabricated secondary device cabin is just gradually increased, in order to make full use of space in equipment compartment, shielding cabinet many along bulkhead installation in cabin, this makes screen cabinet rear portion be substantially free of wiring space, the preposition mode of connection must be adopted, but this preposition mode of connection generally improves on rearmounted termination, and not only improvement cost is higher, simultaneously, also take up very long exploitation and test period, it is easy to delay the application of Practical Project.
Actually, existing rack also has employing slide track component to install device Host, sliding rail type tray bearing component as disclosed in Chinese utility model patent description that Authorization Notice No. is CN201008244Y and rack, sliding rail type tray bearing component is installed in cabinet, bearing assembly includes pallet, slide track component, front hangers and rear hangers, slide track component includes fixture and the moving member that corresponding guiding movement coordinates, fixture is for being fixedly mounted on rack, moving member is connected with pallet, so, when instrument and equipment is arranged on pallet, cabinet can be moved into and out under the guiding of slide track component, it is easy to instrument and equipment is installed, maintenance.
Although this direct acting slide track component mounting means simple in construction, but it is limited more, direct acting drawing and pulling type is suitably applied the flat instrument not needing too much wiring and repair and maintenance, after being pulled out, operate more convenient, and when being applied to the more and highly higher instrument of wiring, even if by its pull out, also it is not easy instrument rear end is carried out wiring and maintenance operation.
Summary of the invention
The present invention provides a kind of rack tray bearing component, to solve to adopt direct acting rail structure layout instrument to be not suitable for being applied to the technical problem that rear terminated line is more in prior art；The present invention also provides for a kind of screen cabinet using above-mentioned tray bearing component and prefabricated cabin.
The technical scheme of rack tray bearing component provided by the present invention is: a kind of rack tray bearing component, including for moving the moving guide rail being assemblied in the rack cabinet that front end is opening along the longitudinal direction, moving guide rail front end is provided with the pallet for installing corresponding instrument and equipment, described pallet rotates and is assemblied on described moving guide rail, the center of rotation axis of pallet is vertical with fore-and-aft direction, moving guide rail has on the stroke moved forward can make the rear end of instrument and equipment turn to the outer operative position carrying out corresponding operating for operator in instrument and equipment rear end of cabinet forward when pallet rotates with instrument and equipment.
It is provided with between described pallet and moving guide rail for being rotated such that, with corresponding instrument and equipment, the latch-up structure that pallet is fixed when turning to forward outside cabinet by the rear end of instrument and equipment at pallet.
Described latch-up structure includes locking column and the locking hook coordinated for hook corresponding to locking column, one of them in pallet and moving guide rail is provided with described locking column, is rotatably equipped with described locking hook on another, and the center of rotation axis of locking hook and locking column are all offset to the side of the center of rotation axis of described pallet and position forming the triangular support to pallet when locking hook coordinates with locking column hook.
The center of rotation axis of described pallet extends along horizontal left and right directions.
The rear end of described moving guide rail is provided with the lead plate extended in left-right direction, and lead plate is correspondingly provided with the lead-in wire elongated slot extended in left-right direction.
The technical scheme of the screen cabinet of the above-mentioned tray bearing component of use provided by the present invention is: a kind of screen cabinet, it is the cabinet of opening including front end, cabinet is provided with tray bearing component, tray bearing component includes moving the moving guide rail being assemblied in described cabinet along the longitudinal direction, moving guide rail front end is provided with pallet, pallet is installed with instrument and equipment, described pallet rotates and is assemblied on moving guide rail, the center of rotation axis of pallet is vertical with fore-and-aft direction, moving guide rail has on the stroke moved forward can make the rear end of instrument and equipment turn to the outer operative position carrying out corresponding operating for operator in instrument and equipment rear end of cabinet forward when pallet rotates with instrument and equipment.
It is provided with between described pallet and moving guide rail for being rotated such that, with corresponding instrument and equipment, the latch-up structure that pallet is fixed when turning to forward outside cabinet by the rear end of instrument and equipment at pallet.
Described latch-up structure includes locking column and the locking hook coordinated for hook corresponding to locking column, one of them in pallet and moving guide rail is provided with described locking column, is rotatably equipped with described locking hook on another, and the center of rotation axis of locking hook and locking column are all offset to the side of the center of rotation axis of described pallet and position forming the triangular support to pallet when locking hook coordinates with locking column hook.
The center of rotation axis of described pallet extends along horizontal left and right directions, and the rear end of described moving guide rail is provided with the lead plate extended in left-right direction, and lead plate is correspondingly provided with the lead-in wire elongated slot extended in left-right direction.
The technical scheme of the prefabricated cabin of the above-mentioned screen cabinet of use provided by the present invention is: a kind of prefabricated cabin, including nacelle, the interior bulkhead of nacelle is provided with above-mentioned screen cabinet, shields the rear end face interior bulkhead towards correspondence of cabinet.
The invention has the beneficial effects as follows: tray bearing component provided by the present invention is in use, the pallet rotation being provided with corresponding instrument and equipment is assemblied on moving guide rail, when normally using, instrument and equipment is arranged on pallet, instrument and equipment, pallet and moving guide rail are respectively positioned in cabinet, and when needing the rear end to instrument and equipment to carry out operating such as patching operations or maintenance operation accordingly, can from the opening of cabinet by moving guide rail and figure dish, instrument and equipment pulls out forward cabinet, when moving guide rail moves to operative position, pallet can be made with instrument and equipment rotation to make the rear end thereof of instrument and equipment to cabinet, to facilitate operator to operate accordingly in the rear end of instrument and equipment.Owing to the rear end of instrument and equipment can be made to turn to forward outside cabinet so that the rear end of instrument and equipment can be operated by operator very easily accordingly, it is possible to meeting the operational requirements of different places, range of application is wider.
When above-mentioned tray bearing component being applied in screen cabinet and prefabricated cabin, the personnel rear end to instrument and equipment that is convenient to operation carries out patching operations, before need not still further developing specially, the instrument and equipment of connection type, effectively reduces screen cabinet and the exploitation of prefabricated cabin, cost of manufacture.
Further, latch-up structure is set between pallet and moving guide rail, so when pallet is turned out 90 ° with instrument and equipment, pallet can be fixed, it is not necessary to artificial hand support dish, fixing relatively stable, also reduce the labor intensity of workman.
Further, latch-up structure includes locking column and locking hook, by locking hook and the coordinating of locking column, realize the triangular support of pallet is positioned, meanwhile, also allowing for making locking hook disengage with locking column and realize unlocking, unblock, locking operate all more convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of rack tray bearing component provided by the present invention；
Fig. 2 is the structural representation (instrument and equipment in screen cabinet does not show) of a kind of embodiment of the screen cabinet of tray bearing component shown in use Fig. 1 provided by the present invention；
Fig. 3 is the view during upset of the outside pull of the tray bearing component in Fig. 2 institute display screen cabinet；
Fig. 4 is the structural representation in the prefabricated storehouse of the tray bearing component shown in use Fig. 1 provided by the present invention.
Detailed description of the invention
As shown in Figure 1, a kind of embodiment of rack tray bearing component, rack tray bearing component in this embodiment includes the fixed frame 6 for being fixedly mounted on cabinet and guiding movement is assemblied on fixed frame 6 along the longitudinal direction moving guide rail 2, fixed frame 6 includes the middle connecting plate 62 that parallel extension and corresponding with two ends and two siding tracks the rear end of two siding tracks 61 spaced apart in left-right direction are connected along the longitudinal direction, specifically it is provided with fixing ear in the outside of two siding tracks of fixed frame 6 to be connected with cabinet, the cabinet front end of rack is opening, fixed frame 6 is in opening door type structure forward, moving guide rail 2 moves with two siding tracks and coordinates so that moving guide rail can be assemblied on rack cabinet by guiding movement along the longitudinal direction.
The pallet 1 for installing corresponding instrument and equipment 8 it is provided with in the front end of moving guide rail 2, pallet 1 rotates and is assemblied on moving guide rail 2, the center of rotation axis of pallet 1 extends along horizontal left and right directions, and it is vertical with fore-and-aft direction, when normally using, corresponding instrument and equipment 8 is bolted structure and is fixedly mounted on the side plate 3 that pallet 1 is provided with.Further, pallet 1 is provided with handle 4, in order to operator can drive pallet to rotate, direct acting.
Actually, moving guide rail 2 has on the stroke moved forward can make the rear end of instrument and equipment turn to the outer operative position carrying out corresponding operating for operator in instrument and equipment rear end of cabinet forward when pallet rotates with instrument and equipment, time specifically used, when moving guide rail 2 moves to operative position, operator can pass through handle 4 and drive pallet to be turned out with instrument and equipment, the rear end making instrument and equipment turns to outside cabinet forward, in order to operator operate accordingly in the rear end of instrument and equipment.After operation completes, pallet is again turned to together to enter with moving guide rail by recycling handle together with instrument and equipment sets level attitude in cabinet.
In the present embodiment, it is provided with for being rotated such that, with corresponding instrument and equipment, the latch-up structure that pallet is fixed when turning to forward outside cabinet by the rear end of instrument and equipment at pallet between pallet and moving guide rail, latch-up structure herein includes locking column 9 and the locking hook 7 coordinated for hook corresponding to locking column 9, locking column 9 is installed on moving guide rail 2, locking hook 7 rotation is assemblied on pallet 1, the center of rotation axis of locking hook 7 herein and locking column 9 and be all offset to the side of center of rotation axis of pallet 1 to form the triangular support to pallet position when locking hook 7 coordinates with locking column 9 hook.
In the present embodiment, it is provided with the lead plate 10 extended in left-right direction in the rear end of moving guide rail 2, lead plate 10 is correspondingly provided with the lead-in wire elongated slot 11 extended in left-right direction.
When this tray bearing component is applied in cabinet, can fixed frame 6 be fixed in corresponding cabinet, instrument and equipment is fixed on pallet 1, when normally using, instrument and equipment 8, pallet 1 and moving guide rail 2 are arranged in cabinet, when needs carry out patching operations in instrument and equipment rear end, the outside pull instrument and equipment of handle can be passed through, pallet and moving guide rail, when moving guide rail 2 moves forward to operative position, can by with instrument and equipment, hand drive pallet be rotated such that the rear end of instrument and equipment turns to forward outside cabinet, it is easy to operator and carries out patching operations in instrument and equipment rear end, it should be noted that, when carrying out patching operations, can first coordinate to realize the support of pallet is positioned with locking column 9 hook by locking hook 7.After wiring completes, unlock structure, is set level together with instrument and equipment 8 by pallet 1, pushes in cabinet by pallet 1, instrument and equipment 8 and moving guide rail 2, keeps the operation index plane of instrument and equipment outside screen cabinet, can plant running state be monitored normally.Further, when carrying out patching operations, lead-in wire operation can be carried out by the lead-in wire elongated slot on lead plate.
In above-described embodiment, carry out patching operations in the rear end of instrument and equipment, in other embodiments, it is also possible to carry out corresponding maintenance operation in the rear end of instrument and equipment.
In above-described embodiment, the center of rotation axis of pallet extends along horizontal left and right directions, in other embodiments, the center of rotation axis of pallet also can vertically extend by vertical direction, as long as can so that the rear end of instrument and equipment turns to forward outside cabinet to facilitate operator to operate accordingly.
In above-described embodiment, the locking column in latch-up structure is installed on moving guide rail, and locking hook rotation is assemblied on pallet, in other embodiments, it is also possible to be installed on pallet by locking column, and locking is linked up with rotation and is assemblied on moving guide rail.In other embodiments, latch-up structure can also adopt other structures as adopted the structure of lock pin location, the hole, multiple location extended along circular arc can be provided with on pallet, moving guide rail arranges single pin-and-hole, after pallet rotate in place, lock pin is inserted in the hole, location of pin-and-hole and correspondence, and then pallet can be fixed on corresponding position.
Slide track component in above-described embodiment, in the sliding rail type tray bearing component disclosed in Chinese utility model patent description that moving guide rail and fixed frame can adopt Authorization Notice No. to be CN201008244Y.
As shown in Figure 2 and Figure 3, the present invention also provides for the embodiment of a kind of screen cabinet, screen cabinet in this embodiment includes cabinet 100, cabinet 100 is installed with tray bearing component 200, the structure of tray bearing component 200 adopts the structure (instrument and equipment does not show) of above-mentioned tray bearing component embodiment, do not repeat them here, during use, instrument and equipment is fixedly mounted on pallet.
As shown in Figure 4, the present invention also provides for the embodiment of a kind of prefabricated cabin, prefabricated cabin in this embodiment is identical with the structure of prefabricated cabin of the prior art, and its difference essentially consists in the tray bearing component in the screen cabinet 500 in prefabricated cabin and have employed the structure of above-mentioned tray bearing component embodiment.Owing to screen cabinet 500 is arranged on the interior bulkhead of nacelle 400 of prefabricated cabin, and the rear end of screen cabinet 500 is towards interior bulkhead, the space of screen cabinet rear end is comparatively narrow and small, patching operations directly can not be carried out in rear end, so needing to pull out pallet, pallet is rotated with instrument and equipment so that the rear end of instrument and equipment turns to outside cabinet forward, carries out patching operations for operator.
Claims (10)
1. a rack tray bearing component, including for moving the moving guide rail being assemblied in the rack cabinet that front end is opening along the longitudinal direction, moving guide rail front end is provided with the pallet for installing corresponding instrument and equipment, it is characterized in that: described pallet rotates and is assemblied on described moving guide rail, the center of rotation axis of pallet is vertical with fore-and-aft direction, moving guide rail has on the stroke moved forward can make the rear end of instrument and equipment turn to the outer operative position carrying out corresponding operating for operator in instrument and equipment rear end of cabinet forward when pallet rotates with instrument and equipment.
2. rack tray bearing component according to claim 1, it is characterised in that: it is provided with between described pallet and moving guide rail for being rotated such that, with corresponding instrument and equipment, the latch-up structure that pallet is fixed when turning to forward outside cabinet by the rear end of instrument and equipment at pallet.
3. rack tray bearing component according to claim 2, it is characterized in that: described latch-up structure includes locking column and the locking hook coordinated for hook corresponding to locking column, one of them in pallet and moving guide rail is provided with described locking column, is rotatably equipped with described locking hook on another, and the center of rotation axis of locking hook and locking column are all offset to the side of the center of rotation axis of described pallet and position forming the triangular support to pallet when locking hook coordinates with locking column hook.
4. the rack tray bearing component according to claim 1 or 2 or 3, it is characterised in that: the center of rotation axis of described pallet extends along horizontal left and right directions.
5. rack tray bearing component according to claim 3, it is characterised in that: the rear end of described moving guide rail is provided with the lead plate extended in left-right direction, and lead plate is correspondingly provided with the lead-in wire elongated slot extended in left-right direction.
6. a screen cabinet, it is the cabinet of opening including front end, cabinet is provided with tray bearing component, tray bearing component includes moving the moving guide rail being assemblied in described cabinet along the longitudinal direction, moving guide rail front end is provided with pallet, pallet is installed with instrument and equipment, it is characterized in that: described pallet rotates and is assemblied on moving guide rail, the center of rotation axis of pallet is vertical with fore-and-aft direction, moving guide rail has on the stroke moved forward can make the rear end of instrument and equipment turn to the outer operative position carrying out corresponding operating for operator in instrument and equipment rear end of cabinet forward when pallet rotates with instrument and equipment.
7. screen cabinet according to claim 6, it is characterised in that: it is provided with between described pallet and moving guide rail for being rotated such that, with corresponding instrument and equipment, the latch-up structure that pallet is fixed when turning to forward outside cabinet by the rear end of instrument and equipment at pallet.
8. screen cabinet according to claim 7, it is characterized in that: described latch-up structure includes locking column and the locking hook coordinated for hook corresponding to locking column, one of them in pallet and moving guide rail is provided with described locking column, is rotatably equipped with described locking hook on another, and the center of rotation axis of locking hook and locking column are all offset to the side of the center of rotation axis of described pallet and position forming the triangular support to pallet when locking hook coordinates with locking column hook.
9. the screen cabinet according to claim 6 or 7 or 8, it is characterized in that: the center of rotation axis of described pallet extends along horizontal left and right directions, the rear end of described moving guide rail is provided with the lead plate extended in left-right direction, and lead plate is correspondingly provided with the lead-in wire elongated slot extended in left-right direction.
10. a prefabricated cabin, including nacelle, it is characterised in that: the interior bulkhead of nacelle is installed just like the screen cabinet described in any one in claim 6 to 9, shield the rear end face interior bulkhead towards correspondence of cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610169200.9A CN105744792B (en) | 2016-03-23 | 2016-03-23 | Cabinet tray bearing component and the screen cabinet and prefabricated cabin for using the component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610169200.9A CN105744792B (en) | 2016-03-23 | 2016-03-23 | Cabinet tray bearing component and the screen cabinet and prefabricated cabin for using the component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105744792A true CN105744792A (en) | 2016-07-06 |
| CN105744792B CN105744792B (en) | 2019-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610169200.9A Expired - Fee Related CN105744792B (en) | 2016-03-23 | 2016-03-23 | Cabinet tray bearing component and the screen cabinet and prefabricated cabin for using the component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105744792B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055809A (en) * | 2017-12-29 | 2018-05-18 | 湖北世纪森源电气集团有限公司 | A kind of easy access and the convertible rail brackets of cabling |
| CN108974838A (en) * | 2018-09-29 | 2018-12-11 | 湖州电力设备成套有限公司 | Logistics is driven electrical control gear |
| CN109546611A (en) * | 2018-12-11 | 2019-03-29 | 国网新疆电力有限公司乌鲁木齐供电公司 | Free removal screen cabinet and protective relaying device alternative method |
| CN114451076A (en) * | 2019-09-11 | 2022-05-06 | 本田技研工业株式会社 | Holding device |
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| US5795177A (en) * | 1995-08-25 | 1998-08-18 | Mitsubishi Denki Kabushiki Kaisha | Mounting mechanism of components, mounting mechanism of unit and method of mounting components |
| CN2389453Y (en) * | 1999-08-10 | 2000-07-26 | 富金精密工业(深圳)有限公司 | Moveable type fixator for electric constructional element |
| CN103179835A (en) * | 2011-12-22 | 2013-06-26 | 英业达股份有限公司 | Cabinet assembly |
| TWI512438B (en) * | 2014-09-12 | 2015-12-11 | Quanta Comp Inc | Server device |
-
2016
- 2016-03-23 CN CN201610169200.9A patent/CN105744792B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5795177A (en) * | 1995-08-25 | 1998-08-18 | Mitsubishi Denki Kabushiki Kaisha | Mounting mechanism of components, mounting mechanism of unit and method of mounting components |
| CN2389453Y (en) * | 1999-08-10 | 2000-07-26 | 富金精密工业(深圳)有限公司 | Moveable type fixator for electric constructional element |
| CN103179835A (en) * | 2011-12-22 | 2013-06-26 | 英业达股份有限公司 | Cabinet assembly |
| TWI512438B (en) * | 2014-09-12 | 2015-12-11 | Quanta Comp Inc | Server device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055809A (en) * | 2017-12-29 | 2018-05-18 | 湖北世纪森源电气集团有限公司 | A kind of easy access and the convertible rail brackets of cabling |
| CN108055809B (en) * | 2017-12-29 | 2020-06-02 | 湖北世纪森源电气集团有限公司 | Convertible guide rail bracket convenient to overhaul and walk line |
| CN108974838A (en) * | 2018-09-29 | 2018-12-11 | 湖州电力设备成套有限公司 | Logistics is driven electrical control gear |
| CN109546611A (en) * | 2018-12-11 | 2019-03-29 | 国网新疆电力有限公司乌鲁木齐供电公司 | Free removal screen cabinet and protective relaying device alternative method |
| CN114451076A (en) * | 2019-09-11 | 2022-05-06 | 本田技研工业株式会社 | Holding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105744792B (en) | 2019-01-18 |
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