CN112736814B - Bus duct and production process - Google Patents
Bus duct and production process Download PDFInfo
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- CN112736814B CN112736814B CN202011634710.1A CN202011634710A CN112736814B CN 112736814 B CN112736814 B CN 112736814B CN 202011634710 A CN202011634710 A CN 202011634710A CN 112736814 B CN112736814 B CN 112736814B
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- bus bar
- plate
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- bar fixing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
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Abstract
The invention discloses a bus duct and a production process, which comprises two cover plates, two side plates and four bus bars arranged side by side: the bus bar is provided with a bus bar fixing block, the bus bar fixing block is provided with guide shafts parallel to the bus bar, a bus bar fixing plate is further arranged on a bus bar connecting surface of the cover plate, the bus bar fixing plate is provided with a first guide groove and a second guide groove which are arranged in an inclined mode and sequentially arranged from outside to inside, the inclined angle of the first guide groove is larger than that of the second guide groove, the first guide groove and the second guide groove are both provided with two guide grooves which are symmetrically arranged by the center of the bus bar fixing plate, and the first guide groove and the second guide groove are respectively connected to the guide shafts of the four bus bar fixing blocks; the two cover plates are oppositely arranged, and the side edges of the two cover plates are respectively connected to the side edges of the two side plates. According to the invention, the side plates and the cover plate are connected in a manner of selectively matching with one of the positioning steps through the side inclined block, so that the grading adjustment of the spacing between the bus bars is realized, and the bus duct can meet different public use requirements.
Description
Technical Field
The invention relates to the technical field of bus ducts, in particular to a bus duct and a production process.
Background
The bus duct is a closed metal device composed of copper and aluminum bus posts and used for distributing large power for each element of a dispersion system. Wire and cable have been increasingly replaced in indoor low voltage power transmission mains engineering projects. The interval between the generating line row in the bus duct needs satisfy certain requirement according to corresponding standard, and the interval is big more then the electric current that can bear is big more, and great interval heat dispersion is also better simultaneously.
However, in practical applications, a standard bus duct may also fail due to various external factors, for example, the bus duct is in a high-temperature, high-humidity or high-dust environment, and if the standard bus duct is adopted, an overload or breakdown phenomenon may still occur, and if the bus ducts in these application scenarios are individually customized, the cost is too high.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a bus duct and a production process, and solves the technical problem that the distance between bus bars in the bus duct can not be adjusted as required in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a bus duct, includes two apron, two curb plates and four generating lines rows that set up side by side: the bus bar is provided with a bus bar fixing block, the bus bar fixing block is provided with guide shafts parallel to the bus bar, a bus bar fixing plate is further arranged on a bus bar connecting surface of the cover plate, the bus bar fixing plate is provided with a first guide groove and a second guide groove which are arranged in an inclined mode and sequentially arranged from outside to inside, the inclined angle of the first guide groove is larger than that of the second guide groove, the first guide groove and the second guide groove are both provided with two guide grooves which are symmetrically arranged by the center of the bus bar fixing plate, and the first guide groove and the second guide groove are respectively connected to the guide shafts of the four bus bar fixing blocks;
the two cover plates are oppositely arranged, and the side edges of the two cover plates are respectively connected to the side edges of the two side plates.
As a preferred aspect of the present invention, the bus duct of the foregoing embodiment: the two extrusion blocks are respectively arranged between the first bus bar fixing block and the second bus bar fixing block, and between the third bus bar fixing block and the fourth bus bar fixing block;
the bus bar fixing plates are provided with a plurality of groups, two bus bar fixing plates are arranged in each group, and the bus bar fixing blocks are arranged between the two bus bar fixing plates;
the extrusion blocks are connected with an extrusion block driving device for driving the extrusion blocks to slide relative to the bus bars.
As a preferred aspect of the present invention, the bus duct of the foregoing embodiment: the extrusion block driving device comprises a guide plate and at least two locking screws, the guide plate is provided with a guide groove, the extrusion blocks are connected to the guide groove in a sliding mode through protrusions, two ends of the same group of busbar fixing plates are also provided with detachable end baffle plates, and the guide plate is arranged between the busbar fixing plates and the end baffle plates; the locking screw is connected to the cover plate through threads and used for driving the guide plate to slide relative to the bus bar.
As a preferred aspect of the present invention, the bus duct of the foregoing embodiment: the side edge of the side plate is also provided with a plurality of positioning steps which are sequentially increased from inside to outside, the height of each positioning step is sequentially reduced from inside to outside, the edge of the cover plate is provided with a side edge inclined block matched with the positioning steps, and when the cover plate is connected to the side plate, the side edge inclined block is connected to one of the positioning steps;
a tension device is also arranged between the two cover plates.
As a preferred aspect of the present invention, the bus duct of the foregoing embodiment: the tensioning device comprises a plurality of threaded pull rods hinged to the side portions of the cover plates, and the corresponding threaded pull rods between the two cover plates are connected through threaded sleeves.
As a preferred aspect of the present invention, the bus duct of the foregoing embodiment: the threaded pull rod comprises an inclined pull rod and a vertical pull rod which are sequentially connected to the cover plate, the inclined pull rod inclines towards the direction far away from the side plate, the vertical pull rod is parallel to the side plate, and the vertical pull rod is connected to the threaded sleeve through threads;
the lateral part of the cover plate is provided with a supporting block, and the supporting block is connected to the intersection of the inclined pull rod or the inclined pull rod and the vertical pull rod.
As a preferred aspect of the present invention, the bus duct of the foregoing embodiment: when the bus bar fixing plate is horizontally placed, in the same horizontal direction, the distance between the adjacent first guide grooves and the adjacent second guide grooves is equal.
As a preferred aspect of the present invention, the bus duct of the foregoing embodiment: when the distance between the bus bars is adjusted to the maximum, the bus bar fixing plate is not contacted with the bus bars.
Based on the bus duct production process: the method comprises the following steps:
bending and cutting the busbar, fixing four matched busbar, and reserving installation positions of busbar fixing blocks at two sides of the busbar;
mounting a bus bar fixing block at the side part of the bus bar;
mounting a bus bar fixing plate on a bus bar fixing block, and mounting end baffles at two ends of the bus bar fixing plate;
placing the guide plate provided with the two extrusion blocks between the two bus bar fixing plates and the two end baffles, and respectively placing the two extrusion blocks between the first bus bar fixing block and the second bus bar fixing block and between the third bus bar fixing block and the fourth bus bar fixing block;
placing a cover plate on the upper ends of the bus bar fixing plate and the end baffle, and fixing the bus bar fixing plate on the cover plate;
connecting the selected positioning step to the side sloping block and fastening the threaded sleeve;
mounting a locking screw on the cover plate, and enabling the end part of the locking screw to be propped against the guide plate;
and loosening the bus bar, adjusting the position of the cover plate and the bus bar fixing plate relative to the bus bar as required, and fastening the locking screw.
As a preferred scheme of the invention, the bus duct production process comprises the following steps: the bus bar fixing plate and the cover plate are fixed through spot welding.
The invention achieves the following beneficial effects:
according to the invention, the side plates and the cover plate are connected in a manner of selectively matching with one of the positioning steps through the side inclined block, so that the grading adjustment of the spacing between the bus bars is realized, and the bus duct can meet different public use requirements. After the interval adjustment of the bus bar is finished, the side part of the bus bar is extruded in an extrusion block extrusion mode, so that the bus bar is prevented from vibrating and deviating.
Due to the inclined arrangement of the positioning steps and the action of the inclined pull rod and the supporting block, the side plates are not easy to separate from the cover plate after being connected, so that the reliability of the shell of the bus duct is ensured.
Drawings
FIG. 1 is an isometric view of a bus duct of the present invention;
FIG. 2 is a close-up view of the present invention (with one of the cover plates hidden);
FIG. 3 is a cross-sectional view of a bus duct of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a front view of the bus bar securing plate;
FIG. 6 is a block diagram of the guide plate and extrusion block of the present invention;
the meaning of the reference numerals: 1-bus bar; 2-fixing the busbar block; 3-cover plate; 4-busbar fixing plate; 5-side plate; 6-a guide plate; 61-a guide groove; 7-extruding the block; 21-a guide shaft; 31-inclined pull rod; 32-vertical pull rod; 33-side sloping blocks; 41-guide groove one; 42-guide groove two; 51-a support block; 52-a threaded sleeve; 53-positioning step; 61-a sliding groove; 62-locking screws; 63-end baffles; 71-a bump; and 8-protecting the corner.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 5: the embodiment discloses a bus duct, including two apron 3, two curb plates 5 and four generating lines row 1 that set up side by side, on above-mentioned basis, generating line row 1 of this embodiment still is equipped with generating line row fixed block 2, generating line row fixed block 2 is equipped with the guiding axle 21 that is on a parallel with generating line row 1, connecting face still is equipped with generating line row fixed plate 4 in generating line row 1 of apron 3, generating line row fixed plate 4 is equipped with the slope setting, and the leading way that arranges in proper order inside to outside is one 41, leading way two 42, the inclination (angle F in fig. 5) of leading way one 41 is greater than the inclination (angle E in fig. 5) of leading way two 42. The material of the bus bar 1 in this embodiment can be selected according to a specific application scenario, and this embodiment is generally applied to the wind power field, so an alloy aluminum bar is preferably adopted.
The number of the first guide grooves 41 and the number of the second guide grooves 42 are two, and the first guide grooves 41 and the second guide grooves 42 are symmetrically arranged with respect to the center (a dotted line C in fig. 5) of the busbar fixing plate 4, and the two first guide grooves 41 and the two second guide grooves 42 are respectively connected to the guide shafts 21 of the four busbar fixing blocks 2.
The busbar fixing block 2 and the guide shaft 21 need to be made of solid materials with good insulation, such as polytetrafluoroethylene, ceramics and the like.
Two apron 3 sets up relatively, and the side is connected respectively in the side of two curb plates 5, and two apron 3, two curb plates 5 constitute four faces of bus duct jointly promptly, also be exactly the shell of bus duct.
As can be seen from the above description, when the bus bar fixing plate 4 slides relative to the bus bars 1, the guide shafts 21 slide in the corresponding guide grooves (the first guide groove 41 or the second guide groove 42), so that the purpose of adjusting the space between the four bus bars 1 by the bus bar fixing plate 4 is achieved. In order to ensure that the distances between the four bus bars 1 are always equal, in the embodiment, when the bus bar fixing plate 4 is horizontally placed, the distances between the adjacent first guide grooves 41 and the adjacent second guide grooves 42 are equal in the same horizontal direction (the dotted line L in fig. 5), that is, in fig. 5, the distances D1, D2, D3 and the like are equal no matter what height the dotted line L is.
The bus bar fixing plate 4 needs to keep a safe distance from the bus bar 1 to avoid breakdown or short circuit in the using process, so that when the distance between the bus bars 1 is adjusted to be maximum, the bus bar fixing plate 4 is closest to the bus bar 1 but cannot contact with the bus bar 1.
In addition, since the guide shafts 21 can slide along the corresponding guide grooves, gaps are inevitably formed between the guide shafts 21 and the corresponding guide grooves, and if the gaps are always formed, the bus bars 1 can easily shake, and the distance between the bus bars 1 can slightly change, especially when the bus duct is subjected to external impact or vibration.
In order to solve the above problem, this embodiment still includes the extrusion piece 7 of connecting in generating line row fixed block 2, the width that 1 side was arranged to extrusion piece 7 generating line is less than the width of apron 3 side, extrusion piece 7 has two, two extrusion pieces 7 set up respectively in first generating line row fixed block, between the second generating line row fixed block and the fixed block is arranged to the third generating line, between the fixed block is arranged to the fourth generating line (fig. 3), like this can realize the locking to 1 position of generating line row through two extrusion pieces 7, extrude guiding axle 21 in the lateral part of corresponding guide way.
The busbar fixing plate 4 of the embodiment has a plurality of groups, so that the busbar grooves form a plurality of interval adjusting fixing points. Two bus bar fixing plates 4 are arranged in each group, and the bus bar fixing blocks 2 are arranged between the two bus bar fixing plates 4; the squeezing blocks 7 are connected to a squeezing block driving device for driving them to slide relative to the bus bar 1.
With reference to fig. 2, 3 and 6: the pressing block driving device comprises a guide plate 6 and at least two locking screws 62, and the positions of the two locking screws 62 are approximately at the positions of the two pressing blocks 7. The guide plate 6 is provided with a guide groove 61, and the extrusion block 7 is slidably connected to the guide groove 61 through a protrusion 71, so that when the extrusion block 7 extrudes the bus bar fixing block 2, extrusion force can be uniformly applied to the fixing blocks 2 on both sides. The two ends of the same group of bus bar fixing plates 4 are also provided with end baffles 63 which are detachably connected, and the guide plates 6 are arranged between the bus bar fixing plates 4 and the end baffles 63 (forming a rectangular square frame) and used for guiding the bus bar fixing plates. The locking screw 62 is threadedly attached to the cover plate 3 and is used to drive the guide plate 6 to slide relative to the busbar 1.
With reference to fig. 4: in this embodiment, the side edge of the side plate 5 is further provided with a plurality of positioning steps 53 which are sequentially increased from inside to outside, and the height of each positioning step 53 is sequentially decreased from inside to outside, where "inside" refers to the inside of the side plate 5, "outside" refers to the outside of the side plate 5, and the bold dashed line B in fig. 4 is referred to, and B is referred to as a reference line.
The edge of the cover plate 3 is provided with a side sloping block 33 matched with the positioning steps 53, and when the cover plate 3 is connected to the side plate 5, the side sloping block 33 is connected to one of the positioning steps 53; since the bus bar fixing plate 4 is fixed to the cover plate 3, when one of the positioning steps 53 is selected by the side slope block 33, the size of the space between the bus bars 1 is determined, and the step adjustment of the space between the bus bars 1 is realized through the plurality of positioning steps 53.
Still be equipped with straining device between two apron 3, it is specific: the tensioning device comprises a plurality of threaded pull rods hinged to the side portions of the cover plates 3, and the corresponding threaded pull rods between the two cover plates 3 are connected through threaded sleeves 52.
In order to improve the reliability of the connection between the cover plate 3 and the side plate 5 and prevent the side inclined block 33 from being separated from the corresponding positioning step 53, the threaded pull rod of the embodiment includes an inclined pull rod 31 and a vertical pull rod 32 which are sequentially connected to the cover plate 3, the inclined pull rod 31 is inclined in a direction away from the side plate 5, and the inclined pull rod 31 is used for providing a horizontal component force (arrow H in fig. 4) for pressing the cover plate 3 against the side plate 5. The vertical tie rods 32 are parallel to the side plates 5, and the vertical tie rods 32 are screwed to the threaded sleeves 52.
The side of the cover plate 5 is provided with a supporting block 51, the supporting block 51 cooperates with the inclined pull rod 31 to generate a horizontal component force, wherein the acting point of the supporting block 51 preferably acts on the inclined pull rod 31, and also acts on the junction of the inclined pull rod 31 and the vertical pull rod 32, and preferably does not act on the vertical pull rod 32, so that the effect is poor, and the vertical pull rod 32 is easy to bend.
The embodiment also discloses a production process of the bus duct, which comprises the following steps: the method specifically comprises the following steps:
the bus bar 1 is bent and cut, four matched bus bars 1 are fixed, and the mounting positions of the bus bar fixing blocks 2 are reserved on two sides of each bus bar 1. And then the bus bar fixing block 2 is installed at the side of the bus bar 1. The fixing of the bus bar 1 can be performed by using a special tool.
Installing the bus bar fixing plate 4 on the bus bar fixing block 2, namely connecting the first guide groove 41 and the second guide groove 42 with the corresponding guide shafts 21, and installing end baffles 63 at two ends of the bus bar fixing plate 4; the end stops 63 are preferably bolted to the ends of the side plates 5. After the end baffle 63 is fixed, the two bus bar fixing plates 4 and the end baffle 63 form a rectangular frame, the bus bar fixing blocks 2 are located inside the rectangular frame, a certain gap is reserved between the two ends of the bus bar fixing plates 4 and the two bus bar fixing plates 4, and moreover, the same guide shaft 21 is inserted into the same guide grooves on the two sides and cannot be separated from the guide grooves.
And then placing the guide plate 6 provided with the two extrusion blocks 7 between the rectangular frames, and enabling the two extrusion blocks 7 to be respectively positioned between the first bus bar fixing block, the second bus bar fixing block, the third bus bar fixing block and the fourth bus bar fixing block.
The selected retention step 53 is attached to the side swash block 33 and the threaded sleeve 52 is tightened to hold the vertical tie rod 32.
The locking screw 62 is mounted on the cover plate 3, and the end of the locking screw 62 is pressed against the guide plate 6, so that the side of the extrusion block 7 is extruded on the busbar fixing block 2.
And finally, loosening the bus bar 1, adjusting the positions of the cover plate 3 and the bus bar fixing plate 4 relative to the bus bar 1 as required, and fastening the locking screw 62 to lock the relative position of the bus bar 1.
Compared with the prior art, the distance between the bus bar 1 in the bus duct can be adjusted as required by the embodiment, so that the bus bar 1 meets the use requirements of different environments. After the distance between the bus bars 1 is adjusted, the side parts of the bus bars can be extruded in an extruding mode through the extruding block 7, so that the guide shafts 21 are tightly attached to the corresponding guide grooves, and the bus bars 1 are prevented from vibrating and deviating. In order to avoid the phenomenon that the assembled bus duct is toppled, namely, the angle between the adjacent cover plates 5 and 3 is changed from a vertical state to a non-vertical state, a protective corner 8 can be arranged between the cover plates 5 and 3 according to needs, and the specific installation mode can be operated by a person skilled in the art according to actual conditions.
The side plate 5 and the cover plate 3 are selectively connected with one of the positioning steps 53 through the side inclined block 33, so that the spacing between the bus bars 1 can be adjusted in a grading manner, and the bus duct can meet different public use requirements. After the adjustment of the spacing of the bus bar 1 is completed, the side part of the bus bar is extruded by the extrusion block 7, so that the bus bar 1 is prevented from vibrating and deviating.
Due to the inclined arrangement of the positioning step 53 and the effects of the inclined pull rod 31 and the supporting block 51, the side plate 5 is not easy to separate from the cover plate 3 after being connected, so that the reliability of the bus duct shell is ensured.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a bus duct, includes two apron (3), two curb plates (5) and four generating lines row (1) that set up side by side, its characterized in that: the bus bar is characterized in that a bus bar row fixing block (2) is arranged on the bus bar row (1), the bus bar row fixing block (2) is provided with guide shafts (21) parallel to the bus bar row (1), the bus bar row (1) connecting surface of the cover plate (3) is further provided with a bus bar row fixing plate (4), the bus bar row fixing plate (4) is provided with guide grooves I (41) and guide grooves II (42) which are arranged in an inclined mode and arranged from outside to inside in sequence, the inclined angle of the guide grooves I (41) is larger than that of the guide grooves II (42), the guide grooves I (41) and the guide grooves II (42) are both provided with two guide grooves, the guide grooves I (41) and the guide grooves II (42) are arranged symmetrically in the center of the bus bar row fixing plate (4), and the two guide grooves I (41) and the two guide grooves II (;
the two cover plates (3) are arranged oppositely, and the side edges are respectively connected with the side edges of the two side plates (5).
2. The bus duct of claim 1, wherein: the device is characterized by further comprising two extrusion blocks (7) connected to the bus bar fixing blocks (2), wherein the width of the bus bar (1) side of each extrusion block (7) is smaller than that of the cover plate (3), and the two extrusion blocks (7) are respectively arranged between the first bus bar fixing block and the second bus bar fixing block and between the third bus bar fixing block and the fourth bus bar fixing block;
the bus bar fixing plates (4) are provided with a plurality of groups, two bus bar fixing plates (4) are arranged in each group, and the bus bar fixing blocks (2) are arranged between the two bus bar fixing plates (4);
the extrusion blocks (7) are connected with an extrusion block driving device for driving the extrusion blocks to slide relative to the bus bar (1).
3. A bus duct according to claim 2, wherein: the extrusion block driving device comprises a guide plate (6) and at least two locking screws (62), the guide plate (6) is provided with a guide groove (61), the extrusion block (7) is connected to the guide groove (61) in a sliding mode through a protrusion (71), two ends of the same group of busbar fixing plates (4) are further provided with detachable end baffles (63), and the guide plate (6) is arranged between the busbar fixing plates (4) and the end baffles (63); the locking screw (62) is connected to the cover plate (3) through threads and is used for driving the guide plate (6) to slide relative to the bus bar (1).
4. The bus duct of claim 1, wherein: the side edge of the side plate (5) is also provided with a plurality of positioning steps (53) which are sequentially increased from inside to outside, the height of each positioning step (53) is sequentially reduced from inside to outside, the edge of the cover plate (3) is provided with a side edge inclined block (33) matched with the positioning steps (53), and when the cover plate (3) is connected to the side plate (5), the side edge inclined block (33) is connected to one of the positioning steps (53);
a tension device is arranged between the two cover plates (3).
5. A bus duct according to claim 4, wherein: the tensioning device comprises a plurality of threaded pull rods hinged to the side portions of the cover plates (3), and the corresponding threaded pull rods between the two cover plates (3) are connected through threaded sleeves (52).
6. A bus duct according to claim 5, wherein: the threaded pull rod comprises an inclined pull rod (31) and a vertical pull rod (32) which are sequentially connected to the cover plate (3), the inclined pull rod (31) inclines towards the direction far away from the side plate (5), the vertical pull rod (32) is parallel to the side plate (5), and the vertical pull rod (32) is connected to the threaded sleeve (52) through threads;
the side part of the cover plate (3) is provided with a supporting block (51), and the supporting block (51) is connected to the inclined pull rod (31) or the intersection of the inclined pull rod (31) and the vertical pull rod (32).
7. The bus duct of claim 1, wherein: when the bus bar fixing plate (4) is horizontally placed, the distance between the adjacent first guide grooves (41) and the adjacent second guide grooves (42) is equal in the same horizontal direction.
8. The bus duct of claim 1, wherein: when the distance between the bus bars (1) is adjusted to the maximum, the bus bar fixing plate (4) is not in contact with the bus bars (1).
9. A bus duct production process based on claim 5 is characterized in that: the method comprises the following steps:
bending and cutting the bus bar (1), fixing four matched bus bars (1), and reserving installation positions of bus bar fixing blocks (2) at two sides of the bus bars (1);
installing a bus bar fixing block (2) at the side part of a bus bar (1);
installing a bus bar fixing plate (4) on the bus bar fixing block (2), and installing end baffles (63) at two ends of the bus bar fixing plate (4);
placing a guide plate (6) provided with two extrusion blocks (7) between two bus bar fixing plates (4) and two end baffles (63), and respectively placing the two extrusion blocks (7) between a first bus bar fixing block and a second bus bar fixing block and between a third bus bar fixing block and a fourth bus bar fixing block;
placing the cover plate (3) on the upper ends of the bus bar fixing plate (4) and the end baffle (63), and fixing the bus bar fixing plate (4) on the cover plate (3);
connecting the selected positioning step (53) to the side sloping block (33) and fastening the threaded sleeve (52);
mounting a locking screw (62) on the cover plate (3), and enabling the end part of the locking screw (62) to be pressed against the guide plate (6);
and loosening the bus bar (1), adjusting the positions of the cover plate (3) and the bus bar fixing plate (4) relative to the bus bar (1) as required, and fastening the locking screw (62).
10. A bus duct production process according to claim 9, wherein: the bus bar fixing plate (4) and the cover plate (3) are fixed by spot welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011634710.1A CN112736814B (en) | 2020-12-31 | 2020-12-31 | Bus duct and production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011634710.1A CN112736814B (en) | 2020-12-31 | 2020-12-31 | Bus duct and production process |
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| CN112736814A CN112736814A (en) | 2021-04-30 |
| CN112736814B true CN112736814B (en) | 2021-07-06 |
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| CN115092602A (en) * | 2022-07-05 | 2022-09-23 | 德马科技集团股份有限公司 | Adjustable positioning supporting mechanism of chain machine and chain machine |
| CN115832999B (en) * | 2023-01-10 | 2023-08-22 | 广东谷菱电气有限公司 | Bus duct connecting shell waterproof structure and processing technology thereof |
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| CN112736814A (en) | 2021-04-30 |
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Effective date of registration: 20230505 Address after: NO.666, Yuxing Road, Chengbei science and Technology Industrial Park, Sanmao street, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee after: JIANGSU KANGSHENG ELECTRIC GROUP CO.,LTD. Address before: 212200 junction of Huaxing Road and Yuxing Road, Sanmao street, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee before: Jiangsu Kangsheng Wind Power Technology Co.,Ltd. |