CN108901172B - Frequency conversion rack skeleton texture - Google Patents
Frequency conversion rack skeleton texture Download PDFInfo
- Publication number
- CN108901172B CN108901172B CN201810926153.7A CN201810926153A CN108901172B CN 108901172 B CN108901172 B CN 108901172B CN 201810926153 A CN201810926153 A CN 201810926153A CN 108901172 B CN108901172 B CN 108901172B
- Authority
- CN
- China
- Prior art keywords
- vertical
- square column
- sectional materials
- adjusting square
- section bar
- 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.)
- Active
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
- Assembled Shelves (AREA)
Abstract
The invention discloses a framework structure of a frequency conversion cabinet, which comprises an upper frame, a lower frame and vertical sectional materials for connecting the upper frame and the lower frame, wherein the upper frame and the lower frame are arranged in parallel up and down, the upper frame and the lower frame are rectangular frame structures which are composed of 1 pair of short side sectional materials, 1 pair of long side sectional materials and 4 adjustable connecting pieces, and each pair of adjustable connecting pieces on the upper frame and the lower frame are respectively connected through a vertical sectional material. According to the invention, the vertical sectional material, the short-side sectional material, the long-side sectional material and the adjustable connecting piece are assembled in an inserting way, and after the assembly, the fixing and limiting are carried out through the fastening screw, so that the cabinet framework is ensured to be firm and reliable, 2 horizontal square columns on the adjustable connecting piece can be adjusted along with the up-and-down movement of the adjusting square columns along with the vertical adjusting square rings, the adjustable connecting piece can be switched between the tri-link and the span, meanwhile, the problem that the assembly is required to be disassembled again due to opposite directions can be avoided, and the problem that the production efficiency is low due to the fact that the disassembly and the assembly are re-assembled can be avoided.
Description
Technical Field
The invention relates to the technical field of frequency conversion cabinets, in particular to a framework structure of a frequency conversion cabinet.
Background
The frequency conversion cabinet is a series complete set of frequency conversion speed regulation system and covers 0.75kW-400kW of the motor power section. The functions are stronger, and the application of fans and pumps of the nuclear power plant can be widely met. The frequency conversion module part of the product adopts standardized and modularized design, has compact structure and strong universality and interchangeability. The overall functions of the variable frequency cabinet can be divided into motor variable frequency control and motor power frequency control. The motor frequency conversion control part mainly comprises 6 modules of three-phase power supply filtering, three-phase power supply rectifying, direct current power supply filtering, direct current inversion alternating current output, alternating current output filtering and control part, and the model is an alternating current-direct current-alternating current voltage type frequency conversion model. The model is the most widely and reliably used low-voltage variable frequency model at present.
At present, the cabinet body framework of the variable frequency cabinet is usually fixedly connected in a welding mode, the problem that the cabinet body framework is not detachable after being assembled and fixed exists, the cabinet body framework is damaged, the whole replacement is needed, and the cost is high. In order to solve the above problems, it is necessary to provide a detachable framework structure of a frequency conversion cabinet.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a variable frequency cabinet framework structure, which aims to solve the technical problems that a cabinet framework is usually fixedly connected in a welding mode in the prior art, is not detachable after being assembled and fixed and has high replacement cost.
In order to achieve the above purpose, the invention provides a framework structure of a frequency conversion cabinet, which comprises an upper frame, a lower frame and vertical sectional materials for connecting the upper frame and the lower frame, wherein the upper frame and the lower frame are arranged in parallel and symmetrically up and down, the upper frame and the lower frame are rectangular frame structures consisting of 1 pair of short side sectional materials, 1 pair of long side sectional materials and 4 adjustable connecting pieces, and each pair of the adjustable connecting pieces on the upper frame and the lower frame are respectively connected through a vertical sectional material.
Preferably, the adjustable connecting piece constitute by vertical regulation square column, regulation square ring, 2 horizontal square columns and holding screw, the regulation square ring cover establish vertical regulation square column on, 2 horizontal square column welding be on the regulation square ring, can follow the regulation square ring and reciprocate along vertical regulation square column, the regulation square ring be provided with the connecting hole in the one side or the two sides that do not set up horizontal square column, holding screw pass the connecting hole on the regulation square ring and vertical regulation square column fixed connection, 1 set up relatively to the minor face section bar, 1 set up relatively to the long side section bar, 2 horizontal square columns connection on the adjustable connecting piece are passed through with the long side section bar to adjacent minor face section bar, be connected through vertical section bar between the vertical regulation square column that corresponds on upper frame and the lower frame.
Preferably, the vertical section bar, the short side section bar and the long side section bar are nine-fold section bars, and square holes for inserting the vertical adjusting square column and the horizontal square column are formed in the nine-fold section bars.
Preferably, the cross sections of the vertical square adjusting column and the horizontal square column are square with the same size, the four sides of the vertical square adjusting column and the four sides of the horizontal square column are provided with threaded holes, the two outer sides of the square holes are provided with a plurality of round through holes, the vertical square adjusting column and the vertical square column are connected in an inserting mode through fastening screws, the round through holes in the vertical square column and the threaded holes in the vertical square adjusting column are connected in a threaded mode, and the horizontal square column and the short side section/the long side section are connected in an inserting mode through fastening screws, and the round through holes in the short side section/the long side section are connected in a threaded mode with the threaded holes in the horizontal square column.
Preferably, the vertical section bar, the short side section bar and the long side section bar are further provided with connecting screw holes between the adjacent round through holes.
The invention has the beneficial effects that: compared with the prior art, the variable frequency cabinet framework structure provided by the invention is reasonable in structure, vertical sectional materials, short-side sectional materials, long-side sectional materials and adjustable connecting pieces are spliced and assembled, and after the assembly, the fixed limit is carried out through fastening screws, so that the cabinet framework is ensured to be firm and reliable, 2 horizontal square columns on the adjustable connecting pieces can be adjusted along with the vertical adjusting square columns in a moving way, the adjustable connecting pieces can be switched between the tri-link and the Silian through the moving adjustment, different use requirements are met, meanwhile, the problem that the assembly is required to be disassembled again due to the opposite direction of the extending section of the vertical adjusting square column after the splicing is avoided, and the problem that the production efficiency is low due to the fact that the relative position between the vertical adjusting square columns and the adjusting square columns is reduced due to the fact that the adjusting square columns are adjusted after the fastening screws are disassembled is avoided.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a framework structure of a variable frequency cabinet according to an embodiment of the present invention;
FIG. 2 is an exploded view of a skeleton structure of a variable frequency cabinet in accordance with an embodiment of the present invention;
FIG. 3 is an exploded view of an adjustable connector according to an embodiment of the present invention;
Fig. 4 is a schematic structural view of a vertical profile, a short side profile and a long side profile according to an embodiment of the present invention.
Detailed Description
The present invention will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides a framework structure of a frequency conversion cabinet, including an upper frame 1, a lower frame 2, and vertical sections 3 connecting the upper frame 1 and the lower frame 2, where the upper frame 1 and the lower frame 2 are symmetrically arranged in parallel up and down, and the upper frame 1 and the lower frame 2 are rectangular frame structures formed by 1 pair of short side sections 4, 1 pair of long side sections 5, and 4 adjustable connectors 6, and each pair of adjustable connectors 6 on the upper frame 1 and the lower frame 2 are connected by a vertical section 3.
In the embodiment of the present invention, the adjustable connection member 6 is composed of a vertical adjustment square column 61, an adjustment square ring 62, 2 horizontal square columns 63 and a set screw 64, the adjustment square ring 62 is sleeved on the vertical adjustment square column 61, 2 horizontal square columns 63 are welded on the adjustment square ring 62 and can move up and down along the adjustment square column 61 along with the adjustment square ring 62, one or both sides of the adjustment square ring 62 where the horizontal square column 63 is not provided are provided with connection holes 65, the set screw 64 passes through the connection holes 65 on the adjustment square ring 62 and is fixedly connected with the vertical adjustment square column 61, the 1 pair of short side profiles 4 are oppositely arranged, 1 pair of long side profiles 5 are oppositely arranged, the adjacent short side profiles 4 are connected with the long side profiles 5 through 2 horizontal square columns 63 on the adjustable connection member 6, and the corresponding vertical adjustment square columns 61 on the upper frame 1 and the lower frame 2 are connected through the vertical profiles 3.
Further, the vertical section bar 3, the short side section bar 4 and the long side section bar 5 are all nine-fold section bars, and square holes for inserting the vertical adjusting square column 61 and the horizontal square column 63 are formed in the nine-fold section bars.
Further, the cross sections of the vertical square column 61 and the horizontal square column 63 are square with the same size, threaded holes 66 are formed in four sides of the vertical square column 61 and the horizontal square column 63, a plurality of round through holes 7 are formed in two outer sides of square holes in each of the vertical section 3, the short side section 4 and the long side section 5, the vertical square column 61 and the vertical section 3 are connected through fastening screws in a threaded mode through the round through holes 7 in the vertical section 3 and the threaded holes 66 in the vertical square column 61, and the horizontal square column 63 and the short side section 4/the long side section 5 are connected through fastening screws in a threaded mode through the round through holes 7 in the short side section 4/the long side section 5 and the threaded holes 66 in the horizontal square column 63 in a threaded mode.
Furthermore, the vertical section bar 3, the short side section bar 4 and the long side section bar 5 are also provided with connecting screw holes 9 between the adjacent round through holes 7. The outer parts can be mounted on the vertical section bar 3, the short side section bar 4 or the long side section bar 5 through the connecting screw holes 9.
According to the variable frequency cabinet framework structure, the vertical section bar 3, the short side section bar 4, the long side section bar 5 and the adjustable connecting piece 6 are assembled in an inserting mode, fixing and limiting are carried out through the fastening screw after the assembly, the fact that the cabinet framework is firm and reliable is guaranteed, 2 horizontal square columns 63 on the adjustable connecting piece 6 can be adjusted along with the vertical adjusting square column 61 in a moving mode along with the adjusting square ring 62, the adjustable connecting piece 6 can be switched between three-connection and four-connection through moving adjustment, different use requirements are met, meanwhile the problem that the extending section direction of the vertical adjusting square column 61 is required to be detached and assembled again after inserting is avoided, and the problem that the production efficiency is low due to the fact that the adjusting square column 61 and the adjusting square ring 62 are adjusted after the fastening screw 64 is detached is avoided.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (1)
1. The utility model provides a frequency conversion rack skeleton texture which characterized in that: the adjustable connecting piece (6) corresponding to the upper frame (1) and the lower frame (2) are respectively connected through a vertical profile (3), the adjustable connecting piece (6) is composed of a vertical adjusting square column (61), an adjusting square ring (62), 2 horizontal square columns (63) and a set screw (64), the adjusting square ring (62) is sleeved on the vertical adjusting square column (61), the 2 horizontal square columns (63) are welded on the adjusting square ring (62), the two sides of the adjusting square column (62) can be switched along the vertical adjusting square column (61) along the vertical adjusting square ring (62), the two sides of the adjusting square column (62) can be connected through the vertical adjusting square column (61), the two sides of the adjusting square column (62) can be switched, the two sides of the adjusting square column (62) can be connected through the adjusting square column (63) without the connecting hole, the two sides of the adjusting square column (62) can be switched, the two sides of the adjusting square column (63) can be connected through the adjusting square column (65), the set screw (64) passes through the connecting hole (65) on the adjusting square ring (62) and is fixedly connected with the vertical adjusting square column (61), the 1 pair of short side sectional materials (4) are oppositely arranged, the 1 pair of long side sectional materials (5) are oppositely arranged, the adjacent short side sectional materials (4) and the long side sectional materials (5) are connected through 2 horizontal square columns (63) on an adjustable connecting piece (6), the vertical adjusting square columns (61) corresponding to the upper frame (1) and the lower frame (2) are connected through the vertical sectional materials (3), the short side sectional materials (4) and the long side sectional materials (5) are all folded sectional materials, square holes for the vertical adjusting square columns (61) and the horizontal square columns (63) to be inserted are formed in the nine-fold sectional materials, the sections of the vertical adjusting square columns (61) and the horizontal square columns (63) are all the same in size, threaded holes (66) are formed in the sections of the vertical adjusting square columns (61) and the horizontal square columns (63), the vertical sectional materials (3), the vertical sectional materials (4) and the short side sectional materials (5) are provided with a plurality of round through holes on the four sides of the sectional materials (7), vertical regulation square column (61) and vertical section bar (3) peg graft the back pass circular through-hole (7) on vertical section bar (3) and screw hole (66) threaded connection on vertical regulation square column (61), horizontal square column (63) and minor face section bar (4)/long limit section bar (5) peg graft the back and pass circular through-hole (7) on minor face section bar (4)/long limit section bar (5) and screw hole (66) threaded connection on horizontal square column (63) through fastening screw, vertical section bar (3), minor face section bar (4) and long limit section bar (5) still be provided with between adjacent circular through-hole (7) and connect screw (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810926153.7A CN108901172B (en) | 2018-08-15 | 2018-08-15 | Frequency conversion rack skeleton texture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810926153.7A CN108901172B (en) | 2018-08-15 | 2018-08-15 | Frequency conversion rack skeleton texture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108901172A CN108901172A (en) | 2018-11-27 |
| CN108901172B true CN108901172B (en) | 2024-06-11 |
Family
ID=64354606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810926153.7A Active CN108901172B (en) | 2018-08-15 | 2018-08-15 | Frequency conversion rack skeleton texture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108901172B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022447A (en) * | 2019-12-17 | 2020-04-17 | 宁波冠华智能科技有限公司 | Novel section bar assembly component and assembly method |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003041769A (en) * | 2001-08-01 | 2003-02-13 | Shinwa Kk | Bracket for temporary scaffold |
| CN101886431A (en) * | 2010-07-12 | 2010-11-17 | 朱建华 | Connecting structure for nested composite sections |
| CN202076681U (en) * | 2011-05-31 | 2011-12-14 | 慈溪奇国电器有限公司 | Connector used for medium/low-voltage switch cabinet bracket |
| CN202220780U (en) * | 2011-05-18 | 2012-05-16 | 艾仕博霸展示用品（厦门）有限公司 | Tubular combined structure joint |
| CN203160469U (en) * | 2013-02-06 | 2013-08-28 | 深圳市三鑫幕墙工程有限公司 | Multi-way connecting member and keel structure used for frame-type curtain wall |
| CN204130910U (en) * | 2014-09-25 | 2015-01-28 | 湖北鄂电大全电气设备制造有限公司 | A kind of assembly type box step-down pressure cabinet frame work |
| CN204206645U (en) * | 2014-09-17 | 2015-03-11 | 深圳市禾望电气股份有限公司 | A kind of electric equipment cabinet of exempting to weld |
| CN204333821U (en) * | 2014-12-15 | 2015-05-13 | 重庆荣威电气成套设备有限公司 | A kind of slot type top perpendicular tee joint crane span structure with extendible capacity formula |
| CN205212189U (en) * | 2015-11-20 | 2016-05-04 | 上海凯伟电气设备有限公司 | Modular section bar cabinet ten per cent discount |
| CN205249126U (en) * | 2015-12-23 | 2016-05-18 | 江苏兆鋆新材料股份有限公司 | Combined type combined material photovoltaic support |
| CN205611127U (en) * | 2016-05-18 | 2016-09-28 | 江苏通鼎宽带有限公司 | Outdoor rack tee bend corner fittings of detachable integration |
| CN106013441A (en) * | 2016-07-13 | 2016-10-12 | 李波 | Connecting casing with steel structure |
| CN205857400U (en) * | 2016-06-22 | 2017-01-04 | 宋英禹 | Snap connector |
| CN107559522A (en) * | 2017-10-09 | 2018-01-09 | 李继前 | Multi-functional multiple-pass joint |
| CN107658698A (en) * | 2017-10-13 | 2018-02-02 | 广州冠电电子科技有限公司 | The assembly type distributing cabinet frame and its assemble method of a kind of size adjustable |
| CN107859675A (en) * | 2017-10-31 | 2018-03-30 | 南京大德科教设备有限公司 | A kind of adjustable table frame connector, table frame and desk |
| CN207420113U (en) * | 2017-09-01 | 2018-05-29 | 广州市百利文仪实业有限公司 | A kind of Novel show shelf |
| KR20180092154A (en) * | 2017-02-08 | 2018-08-17 | 김중협 | Frame connection structure for prefabricated simple structures with clamping force and angle adjustment |
| CN208724297U (en) * | 2018-08-15 | 2019-04-09 | 浙江佳乐科仪股份有限公司 | A kind of frequency conversion cabinet skeleton structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2578297B1 (en) * | 1985-03-04 | 1989-09-29 | Vandelanoite Pierre | ASSEMBLY ELEMENT FOR PROFILES |
| JP3146294B2 (en) * | 1992-10-12 | 2001-03-12 | 積水ハウス株式会社 | Exterior wall panel support device |
| EP2678571B1 (en) * | 2011-02-25 | 2015-04-01 | C E S Control Enclosure Systems GmbH | Corner connector for hollow profiles |
| ITMI20130052A1 (en) * | 2013-01-16 | 2014-07-17 | Privius S R L | STRUCTURE FOR CABINET CABINET |
-
2018
- 2018-08-15 CN CN201810926153.7A patent/CN108901172B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003041769A (en) * | 2001-08-01 | 2003-02-13 | Shinwa Kk | Bracket for temporary scaffold |
| CN101886431A (en) * | 2010-07-12 | 2010-11-17 | 朱建华 | Connecting structure for nested composite sections |
| CN202220780U (en) * | 2011-05-18 | 2012-05-16 | 艾仕博霸展示用品（厦门）有限公司 | Tubular combined structure joint |
| CN202076681U (en) * | 2011-05-31 | 2011-12-14 | 慈溪奇国电器有限公司 | Connector used for medium/low-voltage switch cabinet bracket |
| CN203160469U (en) * | 2013-02-06 | 2013-08-28 | 深圳市三鑫幕墙工程有限公司 | Multi-way connecting member and keel structure used for frame-type curtain wall |
| CN204206645U (en) * | 2014-09-17 | 2015-03-11 | 深圳市禾望电气股份有限公司 | A kind of electric equipment cabinet of exempting to weld |
| CN204130910U (en) * | 2014-09-25 | 2015-01-28 | 湖北鄂电大全电气设备制造有限公司 | A kind of assembly type box step-down pressure cabinet frame work |
| CN204333821U (en) * | 2014-12-15 | 2015-05-13 | 重庆荣威电气成套设备有限公司 | A kind of slot type top perpendicular tee joint crane span structure with extendible capacity formula |
| CN205212189U (en) * | 2015-11-20 | 2016-05-04 | 上海凯伟电气设备有限公司 | Modular section bar cabinet ten per cent discount |
| CN205249126U (en) * | 2015-12-23 | 2016-05-18 | 江苏兆鋆新材料股份有限公司 | Combined type combined material photovoltaic support |
| CN205611127U (en) * | 2016-05-18 | 2016-09-28 | 江苏通鼎宽带有限公司 | Outdoor rack tee bend corner fittings of detachable integration |
| CN205857400U (en) * | 2016-06-22 | 2017-01-04 | 宋英禹 | Snap connector |
| CN106013441A (en) * | 2016-07-13 | 2016-10-12 | 李波 | Connecting casing with steel structure |
| KR20180092154A (en) * | 2017-02-08 | 2018-08-17 | 김중협 | Frame connection structure for prefabricated simple structures with clamping force and angle adjustment |
| CN207420113U (en) * | 2017-09-01 | 2018-05-29 | 广州市百利文仪实业有限公司 | A kind of Novel show shelf |
| CN107559522A (en) * | 2017-10-09 | 2018-01-09 | 李继前 | Multi-functional multiple-pass joint |
| CN107658698A (en) * | 2017-10-13 | 2018-02-02 | 广州冠电电子科技有限公司 | The assembly type distributing cabinet frame and its assemble method of a kind of size adjustable |
| CN107859675A (en) * | 2017-10-31 | 2018-03-30 | 南京大德科教设备有限公司 | A kind of adjustable table frame connector, table frame and desk |
| CN208724297U (en) * | 2018-08-15 | 2019-04-09 | 浙江佳乐科仪股份有限公司 | A kind of frequency conversion cabinet skeleton structure |
Non-Patent Citations (1)
| Title |
|---|
| 基于配电网巡视的带电设备检查装置;林少伟;晏超颖;邱泽鹏;;科技与创新;20180125(第02期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108901172A (en) | 2018-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206025593U (en) | Lifting desk | |
| CN108901172B (en) | Frequency conversion rack skeleton texture | |
| CN108966554B (en) | Quick installation frame construction of frequency conversion rack | |
| CN204879340U (en) | Cart based audio frequency and video support | |
| CN211703828U (en) | Simple assembled table | |
| CN204206687U (en) | A kind of stack of cabinets load fitting | |
| CN202310408U (en) | High-frequency power modular framework | |
| CN109012789A (en) | A kind of laboratory table for laboratory | |
| CN206225155U (en) | A kind of core structure of superconducting current-limiting reactor | |
| CN211483370U (en) | Quick installation formula modularization electric lift table | |
| CN212036810U (en) | Detachable chair | |
| CN205478389U (en) | Blower device and air conditioning equipment | |
| CN205557820U (en) | Reassembling type stand structure and sunshine room skeleton that has this structure | |
| CN211211976U (en) | Experiment table is used in teaching convenient to equipment and dismantlement | |
| CN208868486U (en) | A kind of reverse osmosis membrane frame | |
| CN207953670U (en) | First medium effeciency filter clamping type plastic corner | |
| CN219535277U (en) | Convenient equipment switch board | |
| CN203590646U (en) | Support frame combined structure and cabinet body | |
| CN214124320U (en) | Power distribution cabinet framework | |
| CN203474624U (en) | Glass pulling mechanism adjusting rack | |
| CN211208894U (en) | Cubical switchboard inside section bar skeleton convenient to equipment | |
| CN220174794U (en) | Mattress frame capable of being quickly disassembled and assembled | |
| CN215648446U (en) | Combined steel structure greenhouse frame | |
| CN213847241U (en) | Frame construction of switch board | |
| CN209642590U (en) | A kind of double shared support of solar energy photovoltaic panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |