CN114423195A - Easy dismouting access panel for locomotive converter - Google Patents

Easy dismouting access panel for locomotive converter Download PDF

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Publication number
CN114423195A
CN114423195A CN202111643713.6A CN202111643713A CN114423195A CN 114423195 A CN114423195 A CN 114423195A CN 202111643713 A CN202111643713 A CN 202111643713A CN 114423195 A CN114423195 A CN 114423195A
Authority
CN
China
Prior art keywords
bolt
type fastener
locking
locking type
window panel
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.)
Pending
Application number
CN202111643713.6A
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Chinese (zh)
Inventor
马连凤
田鹏刚
赵节芳
赵娜
胡明庆
黄超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Yongji Electric Co Ltd
Original Assignee
CRRC Yongji Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CRRC Yongji Electric Co Ltd filed Critical CRRC Yongji Electric Co Ltd
Priority to CN202111643713.6A priority Critical patent/CN114423195A/en
Publication of CN114423195A publication Critical patent/CN114423195A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003Constructional details, e.g. physical layout, assembly, wiring or busbar connections

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Connection Of Plates (AREA)

Abstract

The invention discloses an easy-to-assemble maintenance window for a locomotive converter, and relates to the field of maintenance of the locomotive converter. The maintenance window panel is installed on the installation plate through the locking type fastener, the locking type fastener comprises a locking type fastener bolt, a split washer and a buckle, the top of the locking type fastener bolt is of a straight-line-shaped groove or handle structure, the bolt part is not provided with threads, the end part of the locking type fastener bolt is a straight-line-shaped end handle, the split washer is sleeved on the locking type fastener bolt when in use, the buckle is installed on the installation plate, an installation bottom hole used for buckle installation is formed in the installation plate, an installation hole used for the lock type fastener bolt to penetrate is formed in the maintenance window panel, the locking type fastener bolt penetrates through the maintenance window panel, the split washer and the buckle on the installation plate are rotated by 90 degrees and locked with the buckle in a clamping mode. The invention can be quickly assembled and disassembled, and the maintenance time is shortened; a special operating tool is not needed, and the disassembly, assembly and maintenance are convenient; the risk that the fastener drops in the dismounting process is avoided.

Description

Easy dismouting access panel for locomotive converter
Technical Field
The invention relates to the field of locomotive converter overhaul or daily maintenance and maintenance operation of a converter, in particular to an easy-to-assemble and easy-to-disassemble overhaul window for a locomotive converter.
Background
In the process of debugging and daily operation of the locomotive converter, data downloading and software uploading operations need to be carried out on a control unit, daily inspection, maintenance, observation and the like need to be carried out on specific parts, and the operation needs to be carried out by opening a cabinet door of the converter.
Because the restriction of converter overall frame structure, the volume and weight of the converter cabinet door of general design are all great, and the dismouting is inconvenient, consequently needs to reserve the access panel on locomotive converter cabinet door.
Among the prior art, for making things convenient for the daily inspection maintenance or the observation of locomotive converter, reserve out the access panel on the cabinet door, the panel of access panel uses the bolt to install on the door plant, or carries out the unilateral through the hinge and fixes, and the opposite side is installed fixedly through the bolt. However, both of these solutions have some drawbacks: the maintenance window panel that adopts the bolt installation need pull down fixed panel bolt one by one at the dismouting in-process, and the dismouting process needs specialized tool, lacks the instrument then can't carry out the dismouting, is not convenient for maintain the operation. Moreover, the fastener is easy to fall off during the dismounting and mounting processes, and the fastener may fall into the electrical components of the converter, which causes electrical faults. Based on this, there is a need to improve existing access windows.
Disclosure of Invention
The invention provides an improved easy-to-assemble and disassemble maintenance window for a locomotive converter, aiming at solving the problem of facilitating the assembly and disassembly of a maintenance window panel of the locomotive converter.
The invention is realized by the following technical scheme: an easy-to-assemble and-disassemble maintenance window for a locomotive converter comprises a mounting plate, a maintenance window panel and a locking type fastener, the access window panel is arranged on the mounting plate through a locking type fastener, the locking type fastener comprises a locking type fastener bolt, a split collar and a hasp, the top of the locking fastener bolt is a straight-line-shaped groove or a handle structure, and the bolt part is not provided with threads, the end part of the locking fastener bolt is a linear end handle, the split retainer ring is sleeved on the locking fastener bolt when in use, the hasp is arranged on the mounting plate, the mounting plate is provided with a mounting bottom hole for mounting the hasp, the access window panel is provided with a mounting hole for the bolt of the locking fastener to pass through, the mounting hole ensures that the bolt of the locking fastener passes through and cannot let the opening check ring pass through, so as to ensure that the locking fastener bolt and the split washer are installed on the maintenance window panel to form an integral assembly without falling; and the locking type fastener bolt passes through the hasp on the access window panel, the split washer and the mounting plate and then is rotated by 90 degrees to be clamped and locked with the hasp.
The easy-to-assemble and disassemble maintenance window for the locomotive converter, which is designed by the invention, can be applied to a plurality of environments. The access window panel is arranged on the mounting plate by adopting an 1/4-turn quick-locking type fastener, the mounting plate refers to a door plate or a cabinet plate with an access hole, the access window panel is arranged on the mounting plate by the locking type fastener, the locking type fastener comprises a locking type fastener bolt, a split washer and a hasp, the top of the locking type fastener bolt is of a straight-line-shaped groove or handle structure, the bolt part is not provided with threads, and the end part of the locking type fastener bolt is a straight-line-shaped end handle and is used for being matched and locked with the hasp; the top linear groove or the handle can be conveniently disassembled and assembled without special tools, the linear groove structure can be inserted into the groove for rotating by using a screwdriver or a key, a coin and other sheet objects, and the handle structure can be directly rotated by hands. The split retainer ring is sleeved on the locking type fastener bolt when in use, the split retainer ring cannot be directly sleeved because the end part of the locking type fastener bolt is larger than the diameter of the retainer ring, and the split retainer ring structure is selected, so that the retainer ring and the locking type fastener bolt are conveniently matched for use. After the retainer ring is sleeved on the locking type fastener bolt, the retainer ring can not fall off in a natural state that the opening is broken off without external force. The hasp is arranged on the mounting plate, and is in a buckle structure, so that the hasp and the mounting plate are fixed in a clamping manner, and the mounting plate is provided with a mounting bottom hole for installing the hasp of the locking type fastener; and opening an access window for maintenance operation. The access window panel is provided with a mounting hole for the bolt of the locking-type fastener to pass through, the mounting hole needs to ensure that the bolt of the locking-type fastener passes through and the split retainer ring cannot pass through so as to ensure that the bolt of the locking-type fastener and the split retainer ring are installed on the access window panel to form a whole assembly without falling. The final installation process is: firstly, mounting a buckle on a mounting plate, then, penetrating a locking type fastener bolt through a round hole of an access window panel, mounting an open retainer ring on the locking type fastener bolt extending out of the other side of the panel, wherein the locking type fastener bolt and the retainer ring are integrated with the panel, and then, mounting the access window panel on the mounting plate, wherein the locking type fastener is only required to be aligned with the hole of the buckle to penetrate and rotate for 90 degrees to clamp the locking type fastener bolt on the buckle during mounting; when the panel is disassembled, the locking type fastener bolt is rotated by 90 degrees in opposite directions, the maintenance window panel can be disassembled, when the panel is disassembled, the locking type fastener bolt and the split washer can not fall off, and the hasp does not need to be disassembled in the disassembly and assembly process of the maintenance window panel.
Preferably, the access window panel is a transparent organic glass plate or a metal plate or a non-transparent plate, and the metal plate or the non-transparent plate can be adopted if observation is not needed.
Preferably, be provided with the sealing strip between mounting panel and the maintenance window panel, can subtract the sealing strip to the maintenance window that does not have sealed demand, the concrete structure of sealing strip can be selected according to sealed grade demand moreover, can paste the sealing strip on the mounting panel earlier, after maintenance window panel passes through locking-type fastener locking, the compression sealing strip plays sealed effect.
Preferably, the bolt length of the locking fastener bolt is adjustable according to the installation position.
Compared with the prior art, the invention has the following beneficial effects: the invention provides an improved locomotive converter maintenance window easy to assemble and disassemble, which comprises: 1) the device can be quickly disassembled and assembled, and the maintenance time is shortened; 2) a special operating tool is not needed, and the disassembly, assembly and maintenance are convenient; 3) the risk that the fastener drops in the dismounting process is avoided, and the electrical fault caused by the fact that the fastener drops in the converter is avoided.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of another aspect of the present invention.
FIG. 3 is a schematic view of the installation of the buckle of the present invention.
FIG. 4 is a schematic view of the installation of a locking fastener.
Fig. 5 is a schematic structural view of a split washer.
Fig. 6-7 are structural views of the buckle.
FIG. 8 is a schematic view of the installation of the buckle.
The figures are labeled as follows: 1-mounting plate, 2-maintenance window panel, 3-locking fastener, 4-sealing strip, 3-1-locking fastener bolt, 3-2-split retainer ring and 3-3-hasp.
Detailed Description
The present invention is further illustrated by the following specific examples.
An easy dismouting access panel for locomotive converter, as shown in fig. 1-5: the maintenance window panel comprises a mounting plate 1, a maintenance window panel 2 and a locking fastener 3, wherein the maintenance window panel 2 is mounted on the mounting plate 1 through the locking fastener 3, the locking fastener 3 comprises a locking fastener bolt 3-1, an open retainer ring 3-2 and a buckle 3-3, the top of the locking fastener bolt 3-1 is of a straight-line-shaped groove or handle structure, the bolt part is not provided with threads, the end part of the locking fastener bolt 3-1 is a straight-line-shaped end handle, the open retainer ring 3-2 is sleeved on the locking fastener bolt 3-1 when in use, the buckle 3-3 is mounted on the mounting plate 1, a mounting bottom hole for mounting the buckle 3-3 is formed in the mounting plate 1, a mounting hole for the locking fastener bolt 3-1 to pass through is formed in the maintenance window panel 2, and the mounting hole ensures that the locking fastener bolt 3-1 passes through, the split retainer ring 3-2 can not pass through the split retainer ring, so that the locking type fastener bolt 3-1 and the split retainer ring 3-2 are ensured to be installed on the maintenance window panel 2 to form an integral assembly without falling; and the locking fastener bolt 3-1 penetrates through the access window panel 2, the opening retainer ring 3-2 and the hasp 3-3 on the mounting plate 1, and then is rotated by 90 degrees to be clamped and locked with the hasp 3-3.
The embodiment adopts the preferable scheme that: the maintenance window panel 2 is a transparent organic glass plate or a metal plate or a non-transparent plate; a sealing strip 4 is arranged between the mounting plate 1 and the maintenance window panel 2; the bolt length of the locking fastener bolt 3-1 can be changed according to the installation position; the easy-to-assemble and disassemble maintenance window can be applied to electric appliance cabinet products and ground cabinet equipment in a railway locomotive mechanical room.
The embodiment is applied to 3 maintenance operation windows of a traction control unit, an auxiliary control unit and a train power supply control unit of a train power centralized motor train unit, the 3 maintenance operation windows are identical in design structure principle, the sizes of the maintenance windows and the types and the number of locking type fasteners are different, and the number of the locking type fasteners is checked and determined according to the size and the weight of a maintenance window panel. One embodiment operates as follows: in the assembling process, the hasp 3-3 is firstly installed on the installation plate, then the sealing strip 4 is adhered to the front surface of the installation plate, the installation mode of the hasp 3-3 is designed into a buckle structure, and the installation can be carried out on the installation plate with the installation bottom hole only by lightly pressing the plane parallel to the opening by a linear screwdriver; the middle part of the hasp 3-3 is designed into a hollow arc structure, as shown in figures 6-8, the hasp has certain elasticity, certain compression amount exists in the screwing-in and clamping process of the locking type fastener bolt 3-1, and the locking type fastener bolt 3-1 is clamped through the elastic force effect to avoid loosening. FIG. 4 shows an embodiment in which the end size (9.9 mm) of the locking fastener stud 3-1 is selected and the diameter (φ 6.6) of the mating split retainer 3-2 is selected such that the retainer will nest in the locking fastener stud 3-1 in the open position and will not fall out in the open, naturally closed position; when the panel is disassembled, the locking type fastener bolt 3-1 and the check ring are integrated with the panel, and when the panel is moved, the locking type fastener bolt 3-1 and the split check ring 3-2 cannot fall off; when the access window panel is installed on the installation plate, only the locking type fastener is required to be inserted into a hole of the alignment hasp 3-3 and rotated by 90 degrees, and the bolt 3-1 of the locking type fastener is clamped on the hasp 3-3; when the locking fastener is disassembled, the bolt 3-1 of the locking fastener is rotated by 90 degrees in the opposite direction, and then the access window panel can be disassembled. Aiming at the current transformer without sealing requirement, the design of a sealing strip can be eliminated, and the bolt type selection length of the locking type fastener can be adjusted.
The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the invention should be included in the scope of the invention.

Claims (5)

1. The utility model provides an easy dismouting access panel for locomotive converter which characterized in that: the maintenance window panel is characterized by comprising a mounting plate (1), an maintenance window panel (2) and a locking type fastener (3), wherein the maintenance window panel (2) is mounted on the mounting plate (1) through the locking type fastener (3), the locking type fastener (3) comprises a locking type fastener bolt (3-1), an opening check ring (3-2) and a buckle (3-3), the top of the locking type fastener bolt (3-1) is of a straight-line-shaped groove or handle structure, the bolt part is not provided with threads, the end part of the locking type fastener bolt (3-1) is a straight-line-shaped end handle, the opening check ring (3-2) is sleeved on the locking type fastener bolt (3-1) when in use, the buckle (3-3) is mounted on the mounting plate (1), the mounting plate (1) is provided with a mounting bottom hole for mounting the buckle (3-3), the maintenance window panel (2) is provided with a mounting hole for the locking fastener bolt (3-1) to pass through, and the mounting hole ensures that the locking fastener bolt (3-1) passes through and cannot pass through the opening check ring (3-2) so as to ensure that the locking fastener bolt (3-1) and the opening check ring (3-2) are mounted on the maintenance window panel (2) to form an integral assembly without falling; and the locking fastener bolt (3-1) passes through the access window panel (2), the split washer (3-2) and the hasp (3-3) on the mounting plate (1) and then is rotated by 90 degrees to be clamped and locked with the hasp (3-3).
2. The easy-to-mount/dismount access window for locomotive converter according to claim 1, wherein: the maintenance window panel (2) adopts a transparent organic glass plate or a metal plate or a non-transparent plate.
3. The easy-to-mount/dismount access window for locomotive converter according to claim 1, wherein: and a sealing strip (4) is arranged between the mounting plate (1) and the maintenance window panel (2).
4. The easy-to-mount/dismount access window for locomotive converter according to claim 1, wherein: the bolt length of the locking fastener bolt (3-1) can be changed according to the installation position.
5. The easy-to-mount/dismount access window for locomotive converter according to claim 1, wherein: the easy-to-assemble and disassemble maintenance window can be applied to electric appliance cabinet products and ground cabinet equipment in a railway locomotive mechanical room.
CN202111643713.6A 2021-12-30 2021-12-30 Easy dismouting access panel for locomotive converter Pending CN114423195A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111643713.6A CN114423195A (en) 2021-12-30 2021-12-30 Easy dismouting access panel for locomotive converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111643713.6A CN114423195A (en) 2021-12-30 2021-12-30 Easy dismouting access panel for locomotive converter

Publications (1)

Publication Number Publication Date
CN114423195A true CN114423195A (en) 2022-04-29

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ID=81270487

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Application Number Title Priority Date Filing Date
CN202111643713.6A Pending CN114423195A (en) 2021-12-30 2021-12-30 Easy dismouting access panel for locomotive converter

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2659084Y (en) * 2003-08-15 2004-11-24 正泰集团公司 Open modular terminal combination electrical apparatus box
CN201412433Y (en) * 2009-05-15 2010-02-24 华为技术有限公司 Quick-lock fastener
CN205957098U (en) * 2016-06-12 2017-02-15 曹建华 Novel spotlight rail power pack
CN207715491U (en) * 2017-12-14 2018-08-10 中国电子科技集团公司第三十二研究所 Small-sized fast-dismantling lock device
CN207728710U (en) * 2017-12-15 2018-08-14 石家庄国祥运输设备有限公司 A kind of railway vehicle air conditioner cover board anticreep fastening assembly
CN207848103U (en) * 2017-12-12 2018-09-11 贵州立科航标科技有限公司 A kind of space flight and aviation quick lock fastener
CN209097007U (en) * 2018-11-02 2019-07-12 北京安达维尔航空设备有限公司 It is a kind of for installing the connection component of trim panel
CN112727881A (en) * 2021-01-07 2021-04-30 眉山中车紧固件科技有限公司 Quick-locking type fastening assembly
CN214698675U (en) * 2021-03-31 2021-11-12 眉山中车紧固件科技有限公司 Quick-locking type fastening assembly structure

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2659084Y (en) * 2003-08-15 2004-11-24 正泰集团公司 Open modular terminal combination electrical apparatus box
CN201412433Y (en) * 2009-05-15 2010-02-24 华为技术有限公司 Quick-lock fastener
CN205957098U (en) * 2016-06-12 2017-02-15 曹建华 Novel spotlight rail power pack
CN207848103U (en) * 2017-12-12 2018-09-11 贵州立科航标科技有限公司 A kind of space flight and aviation quick lock fastener
CN207715491U (en) * 2017-12-14 2018-08-10 中国电子科技集团公司第三十二研究所 Small-sized fast-dismantling lock device
CN207728710U (en) * 2017-12-15 2018-08-14 石家庄国祥运输设备有限公司 A kind of railway vehicle air conditioner cover board anticreep fastening assembly
CN209097007U (en) * 2018-11-02 2019-07-12 北京安达维尔航空设备有限公司 It is a kind of for installing the connection component of trim panel
CN112727881A (en) * 2021-01-07 2021-04-30 眉山中车紧固件科技有限公司 Quick-locking type fastening assembly
CN214698675U (en) * 2021-03-31 2021-11-12 眉山中车紧固件科技有限公司 Quick-locking type fastening assembly structure

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