CN112349486A - Power transformer installation device - Google Patents

Power transformer installation device Download PDF

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Publication number
CN112349486A
CN112349486A CN202011162208.5A CN202011162208A CN112349486A CN 112349486 A CN112349486 A CN 112349486A CN 202011162208 A CN202011162208 A CN 202011162208A CN 112349486 A CN112349486 A CN 112349486A
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CN
China
Prior art keywords
mounting
fixedly connected
positioning
column
rod
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
CN202011162208.5A
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Chinese (zh)
Inventor
陈春辉
胡锦秀
郭祥
李冬兰
高振华
张庆露
孙兴舜
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.)
State Grid Corp of China SGCC
Jining Power Supply Co of State Grid Shandong Electric Power Co Ltd
Jinxiang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jining Power Supply Co of State Grid Shandong Electric Power Co Ltd
Jinxiang Power Supply Co of State Grid Shandong Electric Power 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 State Grid Corp of China SGCC, Jining Power Supply Co of State Grid Shandong Electric Power Co Ltd, Jinxiang Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202011162208.5A priority Critical patent/CN112349486A/en
Publication of CN112349486A publication Critical patent/CN112349486A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

The invention discloses a power transformer mounting device, which comprises a mounting column, wherein the top of the mounting column is fixedly connected with a transformer mounting part, the transformer mounting part comprises a mounting table, a plurality of positioning clamping rods which are arranged at intervals in the front-back direction are rotatably connected on the mounting table, the left sides of the plurality of positioning clamping rods are rotatably connected with long screw rods, the front end part and the back end part of each long screw rod are fixedly connected with end columns, the end columns are slidably connected with vertical screw rods, the bottoms of the vertical screw rods are fixedly connected to the left side of the top of the mounting table, the vertical screw rods are in threaded connection with two first positioning nuts which are respectively positioned at the top and the bottom of the end columns, the right ends of the positioning clamping rods are fixedly connected with positioning ring plates, the positioning screw rods are in threaded connection with the positioning ring plates, the positioning screw rods are in threaded connection, the bottom of the mounting column is fixedly connected with a reinforcing piece. The transformer is flexibly and conveniently installed by the design of the components of the device.

Description

Power transformer installation device
Technical Field
The invention relates to the field of power transformer devices, in particular to a power transformer mounting device.
Background
A power transformer is a stationary electrical device that is used to transform an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values. When the primary winding is energized with an alternating current, an alternating magnetic flux is generated, and the alternating magnetic flux is magnetically conducted through the iron core, so that an alternating electromotive force is induced in the secondary winding. The level of the secondary induced electromotive force is related to the number of turns of the primary winding, i.e. the voltage is proportional to the number of turns. The main role is to transmit electrical energy, and thus, the rated capacity is its main parameter. The rated capacity is a conventional value for the power delivered, which characterizes the amount of electrical energy transmitted, expressed in kVA or MVA, and is used to determine the rated current which does not exceed the temperature rise limit under defined conditions when a rated voltage is applied to the transformer. The power transformer with relatively low energy consumption is amorphous alloy iron core distribution transformer and has the greatest advantage of extremely low no-load loss value. Whether the no-load loss value can be ensured finally is a core problem to be considered in the whole design process. When the product structure is arranged, besides considering that the amorphous alloy iron core is not influenced by external force, the characteristic parameters of the amorphous alloy need to be accurately and reasonably selected during calculation.
With the development of electric power in China, power grid lines are popularized and laid, wherein a power transformer is an important functional component in the power grid lines.
For safe operation, power transformer often hangs high and installs on the electric wire post, however, the device of installation power transformer that prior art disclosed, the structure is comparatively simple, and the unable nimble transformer with different models is firm to be installed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a power transformer mounting device.
The invention solves the technical problems through the following technical scheme:
a power transformer mounting device comprises a mounting column, wherein a transformer mounting part is fixedly connected to the top of the mounting column;
the transformer mounting component comprises a mounting table, a plurality of positioning clamping rods which are arranged at intervals front and back are rotatably connected to the mounting table, long screws are rotatably connected to the left sides of the plurality of positioning clamping rods, end posts are fixedly connected to the front end portion and the back end portion of each long screw, vertical screws are slidably connected to the end posts, the bottoms of the vertical screws are fixedly connected to the left side of the top of the mounting table, and two first positioning nuts which are respectively positioned at the top and the bottom of each end post are in threaded connection with the vertical screws;
the right end of the positioning clamping rod is fixedly connected with a positioning ring plate, and a positioning screw rod is in threaded connection with the positioning ring plate;
the positioning screw is in threaded connection with the right side of the top of the mounting table;
the mounting column is fixedly connected with a support mounting piece, the support mounting piece comprises a disc seat fixedly connected to the mounting column, a plurality of fixing rods distributed annularly are hinged to the disc outline of the disc seat, the support mounting piece further comprises an outer ring mounting rod concentrically arranged with the disc seat, and the free ends of the fixing rods are assembled on the outer ring mounting rod through fastening screws;
the bottom fixedly connected with reinforcement of erection column, through the reinforcement strengthens power transformer installation device's installation stability.
Preferably, the central part of the bottom of the mounting table is fixedly connected with a positioning column, the top of the mounting column is fixedly connected with a mounting groove disc, the central part of the mounting groove disc is provided with a column groove, and the bottom of the mounting column is limited in the column groove;
the mounting groove plate is characterized in that a plurality of fastening bolts distributed in an annular mode are connected to the plate profile of the mounting groove plate in a threaded mode, and the fastening bolts are connected to the positioning columns in a threaded mode.
Preferably, the mounting table is provided with a protective cover;
the inside lid space that has of protective cover, the right side of protective cover is opened.
Preferably, the power transformer mounting device further comprises a plurality of barriers distributed in an annular array;
the barrier piece is fixedly connected to the upper end of the side wall of the mounting column;
and the plurality of blocking pieces surround to form blocking gaps, and the transformer mounting part is positioned in the blocking gaps.
Preferably, the blocking pieces all comprise arc-shaped baffles, the inner side walls of the arc-shaped baffles are arranged in a concave mode, the lower ends of the inner sides of the arc-shaped baffles are fixedly connected with positioning rods, and the positioning rods are fixedly connected to the mounting columns.
Preferably, the upper end of the fixed rod is fixedly connected with a hinged ball body;
the disc profile of the disc seat is provided with a plurality of annularly distributed bulges, and the bulges are provided with limit grooves matched with the hinged spheres; the hinged ball body is limited in the limiting groove.
Preferably, the free end of the fixed rod is fixedly connected with a threaded ring body, the threaded ring body is in threaded connection with a fastening screw, and the fastening screw is in threaded connection with the top of the outer ring mounting rod.
Preferably, the positioning clamping rod is connected with the long screw in a sliding manner;
the long screw is in threaded connection with a plurality of second positioning nuts;
the second positioning nuts are respectively extruded and positioned at the front side and the rear side of the positioning clamping rod;
and loosening the second positioning nut, and adjusting the distance between the adjacent positioning clamping rods.
Preferably, the reinforcing part comprises end plate bodies fixedly connected to the front side and the rear side of the inner side wall of the outer ring mounting rod, upright posts are welded to the bottoms of the end plate bodies respectively, and base plates are welded to the bottoms of the upright posts;
and a plurality of claw-shaped rods which are arranged at intervals in the front and back are fixedly connected to the left side wall and the right side wall of the base plate.
Preferably, the end plate body is welded on the inner side wall of the outer ring mounting rod through a steel column.
Compared with the prior art, the invention has the following advantages:
the invention discloses a power transformer mounting device, which is characterized in that a mounting column and a transformer mounting part are fixedly connected to the top of the mounting column through design, the transformer mounting part comprises a mounting table, a plurality of positioning clamping rods which are arranged at intervals in the front and back are rotatably connected to the mounting table, the left sides of the plurality of positioning clamping rods are rotatably connected with long screw rods, the front end part and the back end part of each long screw rod are fixedly connected with end columns, the end columns are slidably connected with vertical screw rods, the bottom parts of the vertical screw rods are fixedly connected to the left side of the top of the mounting table, the vertical screw rods are in threaded connection with two first positioning nuts which are respectively positioned at the top and the bottom parts of the end columns, the right ends of the positioning clamping rods are fixedly connected with positioning ring plates, the positioning screw rods are in threaded connection with the positioning ring plates, the positioning screw rods, the supporting installation part comprises a disc seat fixedly connected to the mounting column, a plurality of fixing rods distributed in an annular mode are hinged to the disc outline of the disc seat, the supporting installation part further comprises an outer ring mounting rod concentrically arranged with the disc seat, the free ends of the fixing rods are assembled on the outer ring mounting rod and the bottom of the mounting column through fastening screw rods, and the reinforcing parts are fixedly connected to the bottom of the mounting column and reinforce the mounting stability of the power transformer mounting device. The transformer is flexibly and conveniently installed.
By adopting the design of the device parts, the transformer can be flexibly and stably installed, and the design of the device parts can be used for installing transformers with different model sizes according to the model of the transformer.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a dispersed structure in an embodiment of the invention;
FIG. 3 is a schematic view of the connection structure of the disk seat and the fixing rod in the embodiment of the present invention;
FIG. 4 is a schematic structural view of a transformer mounting part according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of another view of the embodiment in FIG. 4;
FIG. 6 is a schematic view of the connection structure of the long screw and the positioning clamping rod in the embodiment of the present invention;
FIG. 7 is a top view of the embodiment of the present invention shown in FIG. 4;
fig. 8 is a schematic structural view of a reinforcing member in an embodiment of the present invention.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1-8, a power transformer mounting device comprises a mounting column 1, and a transformer mounting part 6 is fixedly connected to the top of the mounting column 1.
The power transformer is positioned and installed through the transformer installation part 6.
The specific structure of the transformer mounting member 6 is as follows:
transformer installing component 6 includes mount table 7, rotate on the mount table and be connected with the locator card pole 61 that the interval set up around a plurality of, a plurality of locator card pole 61's left side is rotated and is connected with long screw rod 64, tip fixedly connected with end post an around the long screw rod 64, end post an sliding connection has perpendicular screw rod 65, the bottom fixed connection of perpendicular screw rod 65 is on the left of the top of mount table 7, threaded connection has two first set nut 651 of fixing a position respectively at end post an top and bottom on perpendicular screw rod 65.
The right end of the positioning clamp rod 61 is fixedly connected with a positioning ring plate 62, and a positioning screw 63 is connected to the positioning ring plate 62 in a threaded manner.
The first positioning nuts 651 are loosened to adjust the heights of the positioning clamp rods 61 and the mounting table 7, and then the transformer with large size is mounted. At this time, the positioning screw 63 having a longer length is replaced, and the positioning clamp rod 61 is clamped and clamped to the transformer. The positioning screw 63 is screwed to the right side of the top of the mounting table 7.
Meanwhile, for further flexible adjustment, the positioning clamp rod 61 is slidably connected with the long screw rod 64; the long screw 64 is connected with a plurality of second positioning nuts 641 through threads; the second positioning nuts 641 are respectively positioned on the front and rear sides of the positioning clamping rod 61 in an extruding manner; the second positioning nut 641 is loosened to adjust the interval between the adjacent positioning clamping rods 61.
A second positioning nut 2 is fixedly connected to the mounting column 1, the second positioning nut 2 comprises a disc seat 21 fixedly connected to the mounting column 1, a plurality of fixing rods 22 distributed annularly are hinged to the disc outline of the disc seat 21, the second positioning nut 2 further comprises an outer ring mounting rod 23 concentrically arranged with the disc seat 21, and the free ends of the fixing rods 22 are assembled on the outer ring mounting rod 23 through fastening screws 2221; the bottom of the mounting column 1 is fixedly connected with a reinforcing piece 3, and the mounting stability of the power transformer mounting device is enhanced through the reinforcing piece 3.
Specifically, the upper end of the fixing rod 22 is fixedly connected with a hinge ball 221; the disc profile of the disc seat 21 is provided with a plurality of annularly distributed bulges, and the bulges are provided with limit grooves matched with the hinged spheres 221; the hinge ball 221 is limited in the limit groove. The free end of the fixed rod 22 is fixedly connected with a threaded ring 222, the threaded ring 222 is in threaded connection with a fastening screw 2221, and the fastening screw 2221 is in threaded connection with the top of the outer ring mounting rod 23.
The connection relationship between the mounting table 7 and the mounting post 1 is as follows:
the bottom center part of the mounting table 7 is fixedly connected with a positioning column 71, the top part of the mounting column 1 is fixedly connected with a mounting groove disc 8, the center part of the mounting groove disc 8 is provided with a column groove, and the bottom part of the mounting column 1 is limited in the column groove; a plurality of fastening bolts 81 distributed annularly are connected to the disc profile of the mounting groove disc 8 in a threaded manner, and the fastening bolts 81 are connected to the positioning columns 71 in a threaded manner.
The mounting table 7 and the transformer mounting part 6 with different sizes can be flexibly replaced by the above mode.
In order to protect the transformer, the mounting table 7 is provided with a protective cover 9; have the lid space in the protective cover 9, the right side of protective cover 9 is open, and the right side is open and is convenient for maintain the transformer.
In order to reduce the accumulation of dust from atmospheric pollution on the transformer, the power transformer mounting device further comprises a plurality of annularly arrayed barriers. The barrier is fixedly connected with the upper end of the side wall of the mounting post 1.
Specifically, a plurality of the blocking pieces surround to form a blocking gap, and the transformer mounting part 6 is located in the blocking gap.
The blocking pieces all comprise arc-shaped baffle plates 4, the inner side walls of the arc-shaped baffle plates 4 are arranged in a concave mode, the lower ends of the inner sides of the arc-shaped baffle plates 4 are fixedly connected with positioning rods, and the positioning rods are fixedly connected to the mounting columns 1.
The reinforcing part 3 comprises end plate bodies 31 fixedly connected to the front side and the rear side of the inner side wall of the outer ring mounting rod 23, upright post rods 32 are welded to the bottoms of the end plate bodies 31 respectively, and base plates 33 are welded to the bottoms of the upright post rods 32; the left and right side walls of the base plate 33 are fixedly connected with a plurality of claw-shaped rods 34 arranged at intervals in the front-back direction. The end plate body 31 is welded to the inner side wall of the outer ring mounting rod 23 through steel columns.
In the installation, dig the buried via hole back at the installation position, bury reinforcement 3 in the buried via hole, at this moment, pour after the concrete, after the concrete condenses, claw-shaped pole 34 is fixed in the concrete, and at this moment, the stability of whole device is great, support installation transformer that can stabilize.
By adopting the design of the device parts, the transformer can be flexibly and stably installed, and the design of the device parts can be used for installing transformers with different model sizes according to the model of the transformer.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The power transformer mounting device is characterized by comprising a mounting column, wherein the top of the mounting column is fixedly connected with a transformer mounting part;
the transformer mounting component comprises a mounting table, a plurality of positioning clamping rods which are arranged at intervals front and back are rotatably connected to the mounting table, long screws are rotatably connected to the left sides of the plurality of positioning clamping rods, end posts are fixedly connected to the front end portion and the back end portion of each long screw, vertical screws are slidably connected to the end posts, the bottoms of the vertical screws are fixedly connected to the left side of the top of the mounting table, and two first positioning nuts which are respectively positioned at the top and the bottom of each end post are in threaded connection with the vertical screws;
the right end of the positioning clamping rod is fixedly connected with a positioning ring plate, and a positioning screw rod is in threaded connection with the positioning ring plate;
the positioning screw is in threaded connection with the right side of the top of the mounting table;
the mounting column is fixedly connected with a support mounting piece, the support mounting piece comprises a disc seat fixedly connected to the mounting column, a plurality of fixing rods distributed annularly are hinged to the disc outline of the disc seat, the support mounting piece further comprises an outer ring mounting rod concentrically arranged with the disc seat, and the free ends of the fixing rods are assembled on the outer ring mounting rod through fastening screws;
the bottom fixedly connected with reinforcement of erection column, through the reinforcement strengthens power transformer installation device's installation stability.
2. The power transformer mounting device according to claim 1, wherein a positioning column is fixedly connected to a central portion of the bottom of the mounting table, a mounting groove disc is fixedly connected to the top of the mounting column, a column groove is formed in the central portion of the mounting groove disc, and the bottom of the mounting column is limited in the column groove;
the mounting groove plate is characterized in that a plurality of fastening bolts distributed in an annular mode are connected to the plate profile of the mounting groove plate in a threaded mode, and the fastening bolts are connected to the positioning columns in a threaded mode.
3. A power transformer mounting arrangement according to claim 2, wherein a protective cover is fitted to the mounting table;
the inside lid space that has of protective cover, the right side of protective cover is opened.
4. A power transformer mounting arrangement according to claim 3, further comprising a plurality of annularly arrayed barrier members;
the barrier piece is fixedly connected to the upper end of the side wall of the mounting column;
and the plurality of blocking pieces surround to form blocking gaps, and the transformer mounting part is positioned in the blocking gaps.
5. A power transformer mounting device according to claim 4, wherein said blocking members each comprise an arc-shaped baffle, the inner side wall of said arc-shaped baffle is recessed, the inner lower end of said arc-shaped baffle is fixedly connected with a positioning rod, and said positioning rod is fixedly connected to the mounting post.
6. A power transformer mounting arrangement according to claim 5, wherein a hinged ball is fixedly connected to an upper end of the fixing rod;
the disc profile of the disc seat is provided with a plurality of annularly distributed bulges, and the bulges are provided with limit grooves matched with the hinged spheres; the hinged ball body is limited in the limiting groove.
7. A power transformer mounting arrangement according to claim 6, wherein the free end of the fixed rod is fixedly connected with a threaded ring, the threaded ring is threadedly connected with a fastening screw, and the fastening screw is threadedly connected to the top of the outer ring mounting rod.
8. A power transformer mounting arrangement according to claim 7, wherein the locator catch is slidably connected to the long screw;
the long screw is in threaded connection with a plurality of second positioning nuts;
the second positioning nuts are respectively extruded and positioned at the front side and the rear side of the positioning clamping rod;
and loosening the second positioning nut, and adjusting the distance between the adjacent positioning clamping rods.
9. The power transformer mounting device according to claim 8, wherein the reinforcing member comprises end plates fixedly connected to the front and rear sides of the inner side wall of the outer ring mounting rod, the bottom of each end plate is welded with a column rod, and the bottom of each column rod is welded with a base plate;
and a plurality of claw-shaped rods which are arranged at intervals in the front and back are fixedly connected to the left side wall and the right side wall of the base plate.
10. A power transformer mounting arrangement according to claim 9, wherein the end plates are welded to the inner side walls of the outer ring mounting bars by steel columns.
CN202011162208.5A 2020-10-27 2020-10-27 Power transformer installation device Pending CN112349486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011162208.5A CN112349486A (en) 2020-10-27 2020-10-27 Power transformer installation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011162208.5A CN112349486A (en) 2020-10-27 2020-10-27 Power transformer installation device

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Publication Number Publication Date
CN112349486A true CN112349486A (en) 2021-02-09

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CN206514753U (en) * 2016-12-30 2017-09-22 河南合瑞电气有限公司 A kind of reactor pours the position-measurement device of pushing out ring
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CN209646750U (en) * 2019-01-21 2019-11-19 四川海润检测有限公司 It is a kind of can damping refrigerated centrifuge
CN209785704U (en) * 2019-05-07 2019-12-13 广西利强电气科技有限公司 Transformer mount pad convenient to adjust width
CN210091863U (en) * 2019-07-05 2020-02-18 江苏健雄电气安装工程有限公司 Transformer mounting bracket convenient to use
CN210152280U (en) * 2019-03-28 2020-03-17 中国建筑第二工程局有限公司 Inserting type concrete vibrator chassis support
CN210696550U (en) * 2019-03-24 2020-06-09 杭州中绘地理信息技术有限公司 Rotation regulation formula tripod for engineering survey and drawing
CN210722660U (en) * 2019-12-17 2020-06-09 德伯尔曼电气科技(苏州)有限公司 Fixing device of dry-type reactor
CN210951115U (en) * 2019-12-23 2020-07-07 江苏万家耀电气集团有限公司 Energy-saving solar street lamp
CN211125266U (en) * 2019-11-28 2020-07-28 贵州乌江水电开发有限责任公司构皮滩发电厂 Mutual inductor bus fixing support
CN211150262U (en) * 2020-01-19 2020-07-31 环宇集团(南京)有限公司 Amorphous alloy power transformer convenient to installation
CN211265207U (en) * 2020-03-16 2020-08-14 江苏力王电气股份有限公司 Dry-type transformer base

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106741874A (en) * 2016-12-25 2017-05-31 芜湖元航空科技有限公司 A kind of agricultural plant protection unmanned plane of high security
CN206514753U (en) * 2016-12-30 2017-09-22 河南合瑞电气有限公司 A kind of reactor pours the position-measurement device of pushing out ring
CN207381215U (en) * 2017-05-04 2018-05-18 江山海维科技有限公司 A kind of low-loss photovoltaic power generation transformer
CN207319851U (en) * 2017-10-20 2018-05-04 贵州长海电力线路器材有限公司 Transformer rack
CN207690595U (en) * 2017-11-13 2018-08-03 江西明正变电设备有限公司 A kind of alloy transformer bottom location structure
CN207743016U (en) * 2017-12-15 2018-08-17 共青城晟鑫电子有限公司 A kind of support base for facilitating transformer to install
CN208385152U (en) * 2018-06-29 2019-01-15 河南龙翔电气股份有限公司 A kind of installation foundation of high overload amorphous alloy transformer
CN208673892U (en) * 2018-09-11 2019-03-29 佛山市劲能电力工程有限公司 Transformer damped noise reduction device
CN209646750U (en) * 2019-01-21 2019-11-19 四川海润检测有限公司 It is a kind of can damping refrigerated centrifuge
CN210696550U (en) * 2019-03-24 2020-06-09 杭州中绘地理信息技术有限公司 Rotation regulation formula tripod for engineering survey and drawing
CN210152280U (en) * 2019-03-28 2020-03-17 中国建筑第二工程局有限公司 Inserting type concrete vibrator chassis support
CN209785704U (en) * 2019-05-07 2019-12-13 广西利强电气科技有限公司 Transformer mount pad convenient to adjust width
CN210091863U (en) * 2019-07-05 2020-02-18 江苏健雄电气安装工程有限公司 Transformer mounting bracket convenient to use
CN211125266U (en) * 2019-11-28 2020-07-28 贵州乌江水电开发有限责任公司构皮滩发电厂 Mutual inductor bus fixing support
CN210722660U (en) * 2019-12-17 2020-06-09 德伯尔曼电气科技(苏州)有限公司 Fixing device of dry-type reactor
CN210951115U (en) * 2019-12-23 2020-07-07 江苏万家耀电气集团有限公司 Energy-saving solar street lamp
CN211150262U (en) * 2020-01-19 2020-07-31 环宇集团(南京)有限公司 Amorphous alloy power transformer convenient to installation
CN211265207U (en) * 2020-03-16 2020-08-14 江苏力王电气股份有限公司 Dry-type transformer base

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Application publication date: 20210209

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