CN218771168U - Female support fitting of pipe and transmission system - Google Patents
Female support fitting of pipe and transmission system Download PDFInfo
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- CN218771168U CN218771168U CN202222475442.4U CN202222475442U CN218771168U CN 218771168 U CN218771168 U CN 218771168U CN 202222475442 U CN202222475442 U CN 202222475442U CN 218771168 U CN218771168 U CN 218771168U
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Abstract
The utility model relates to a female technical field that supports of pipe, concretely relates to female gold utensil and transmission system that support of pipe. A pipe bus support hardware fitting comprises an anchor ear sleeved on a pipe bus, wherein an equipotential device is installed on the radial inner side of the bottom of the anchor ear; equipotential device is including electrically conductive collet and graphite cake, and the radial inboard at the staple bolt bottom is installed to electrically conductive collet, and the graphite cake is fixed in electrically conductive collet one side towards the staple bolt center, and the graphite cake has and is used for the female holding surface of stay tube. Because the graphite plate has excellent self-lubricating property, the friction coefficient between the graphite plate and the tube bus is very small, so that the friction damage between the equipotential device and the tube bus is reduced.
Description
Technical Field
The utility model relates to a female technical field that supports of pipe, concretely relates to female gold utensil that supports of pipe.
Background
The female gold utensil that supports of pipe is arranged in supporting the female support gold utensil of pipe in the power transmission and transformation circuit, the female support gold utensil of current pipe mainly divides into the female support gold utensil of fixed type pipe and the female support gold utensil of slip type pipe, the staple bolt internal diameter that the female support gold utensil of slip type pipe is a bit bigger than the female external diameter of pipe, because expend with heat and contract with cold, the pipe is female can slide in the staple bolt, for avoiding taking the voltage difference and producing the corona between the female and the staple bolt of high voltage pipe, generally set up equipotential device on the female support gold utensil of pipe.
The pipe bus support hardware fitting and the power transmission system disclosed by the Chinese invention patent application publication No. CN113363912A comprise a base, wherein a hoop is installed on the base and consists of an upper clamp and a lower clamp which are fixedly installed together, a hoop groove is formed in the radial inner side of the lower clamp, a support block is clamped in the hoop groove and protrudes out of the inner side face of the lower clamp to support the pipe bus penetrating in the hoop, the support block is electrically connected with the hoop and the pipe bus, the hoop, the support block and the pipe bus with voltage are at the same potential, the support block forms the equipotential device, and the support block is made of semiconductor or copper and other conductor materials.
Although the equipotential device of the above pipe bus support fitting can realize equipotential of the pipe bus and the pipe bus support fitting, the support block is made of a semiconductor or copper and the like, so that friction between the support block and the pipe bus sliding along the axial direction is large, and the outer surface of the pipe bus is easily damaged. Moreover, the material of the hoop is generally aluminum, the material of the pipe bus is aluminum, the copper support block is easy to be subjected to electrochemical corrosion with the pipe bus and the hoop, the electrochemical corrosion not only affects the appearance, but also seriously leads to the failure of the equipotential device after long-time corrosion.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a female gold utensil that supports of pipe to the female equipotential device that supports the gold utensil in the solution prior art and the female technical problem who damages the pipe easily of the female frictional force between female. An object of the utility model is also to provide a power transmission system to solve the same technical problem.
In order to achieve the above object, the utility model relates to a female support fitting's of pipe technical scheme is:
a pipe bus support hardware fitting comprises an anchor ear sleeved on a pipe bus, wherein an equipotential device is installed on the radial inner side of the bottom of the anchor ear; the equipotential device is including electrically conductive collet and graphite cake, and the radial inboard at the staple bolt bottom is installed to electrically conductive collet, and the graphite cake is fixed in the one side at electrically conductive collet towards the staple bolt center, and the graphite cake has the holding surface that is used for the stay tube female.
The beneficial effects are that: the utility model discloses an among the female gold utensil that supports of pipe, the graphite cake of equipotential device is installed in the radial inboard of staple bolt bottom through electrically conductive collet, and the female self weight of utilizing of pipe presses on the holding surface of graphite cake, guarantees the contact of equipotential device and female, the staple bolt of pipe, and female and the staple bolt of pipe pass through the graphite cake, electrically conductive collet is electrically conductive to be connected for female and the staple bolt of pipe is in same electric potential. Because the graphite plate has excellent self-lubricating property, the friction coefficient between the graphite plate and the tube bus is very small, so that the friction damage between the equipotential device and the tube bus is reduced.
The improvement is further improved, the top surface of the conductive bottom support is provided with a mounting groove, and the graphite plate is embedded and fixed in the mounting groove.
The beneficial effects are that: design like this, the area of contact of the electrically conductive collet of increase and graphite cake improves the electric conductivity of equipotential device on the one hand, and on the other hand improves the stability of assembling between graphite cake and the electrically conductive collet.
Further improved, the graphite plate is a circular plate, and the mounting groove is a circular groove matched with the graphite plate.
The beneficial effects are that: design like this, the contact surface of graphite cake and mounting groove is smooth transition's cambered surface, reduces the edges and corners between mounting groove and the graphite cake, avoids the graphite cake to appear the condition of brittle failure because of the local pressure of edges and corners department is too big.
In a further development, the edges of the support surface have rounded corners.
The beneficial effects are that: design like this, avoid the condition of the female graphite cake edge crushing of pipe to take place.
Further improve, the electrically conductive collet clamps radially inboard at the staple bolt bottom.
The beneficial effects are that: design like this, electrically conductive collet and staple bolt between clamp simple structure, be convenient for installation and dismantlement.
The improved conducting bottom support has clamping slot extending along the hoop for the conducting bottom support to be clamped inside the hoop.
The beneficial effects are that: design like this, need not the design on the staple bolt and be used for clamping the recess of electrically conductive collet, be convenient for guarantee the structural strength of staple bolt.
Further improve, staple bolt bottom is equipped with joint cambered surface and two joint planes, and two joint planes are arranged in the axial both sides of staple bolt, two joint planes of joint cambered surface connection, the slot diapire of draw-in groove be with the arc surface of joint cambered surface adaptation.
The beneficial effects are that: design like this, the area of contact and the electrically conductive area of increase electrically conductive collet and staple bolt reduce the pressure between electrically conductive collet and the staple bolt, avoid electrically conductive collet to bear pressure great and produce great deformation, and then crowded rubble china ink board.
In a further improvement, the conductive bottom support is an aluminum bottom support.
The beneficial effects are that: design like this, electrically conductive collet and staple bolt, the female material of pipe are aluminium, avoid appearing electrochemical corrosion between electrically conductive collet, staple bolt, the female, increase of service life.
Further, the insulating slide blocks are arranged on the radial inner side of the bottom of the hoop, and the insulating slide blocks and the equipotential devices are respectively positioned on two sides of a vertical plane passing through the central line of the hoop and used for supporting the pipe nuts together.
The beneficial effects are that: by the design, the equipotential device and the insulating slide block support the tube bus together, the number of the insulating slide blocks is reduced, parts which rub against the sliding tube bus are reduced, and damage to the tube bus is reduced.
To achieve the above object, the utility model relates to a transmission system's technical scheme is:
a power transmission system comprises a pipe bus support fitting and a pipe bus, wherein the pipe bus support fitting comprises a hoop sleeved on the pipe bus, and an equipotential device is installed on the radial inner side of the bottom of the hoop; the equipotential device is including electrically conductive collet and graphite cake, and the radial inboard at the staple bolt bottom is installed to electrically conductive collet, and the graphite cake is fixed in the one side at electrically conductive collet towards the staple bolt center, and the graphite cake has the holding surface that is used for the stay tube female.
The beneficial effects are that: the utility model discloses an among the transmission system, equipotential device's graphite cake installs the radial inboard in staple bolt bottom through electrically conductive collet, and the female self weight that utilizes of pipe presses on the holding surface of graphite cake, guarantees the contact of equipotential device and the female, staple bolt of pipe, and the female and staple bolt of pipe pass through the graphite cake, electrically conducts the collet and is connected for the female and staple bolt of pipe is in same electric potential. Because the graphite plate has excellent self-lubricating property, the friction coefficient between the graphite plate and the tube bus is very small, so that the friction damage between the equipotential device and the tube bus is reduced.
Further improve, be equipped with the mounting groove on the top surface of electrically conductive collet, the graphite cake inlays the dress and fixes in the mounting groove.
The beneficial effects are that: design like this, the area of contact of the electrically conductive collet of increase and graphite cake improves the electric conductivity of equipotential device on the one hand, and on the other hand improves the stability of assembling between graphite cake and the electrically conductive collet.
Further improved, the graphite plate is a circular plate, and the mounting groove is a circular groove matched with the graphite plate.
The beneficial effects are that: design like this, the contact surface of graphite cake and mounting groove is smooth transition's cambered surface, reduces the edges and corners between mounting groove and the graphite cake, avoids the graphite cake to appear the condition of brittle failure because of the local pressure of edges and corners department is too big.
In a further development, the edges of the support surface have rounded corners.
The beneficial effects are that: design like this, avoid the condition emergence of the female graphite cake edge crushing of pipe.
Further improve, the electrically conductive collet clamps radially inboard at the staple bolt bottom.
The beneficial effects are that: design like this, electrically conductive collet and staple bolt between clamp simple structure, be convenient for installation and dismantlement.
The improved structure is characterized in that a clamping groove extending along the circumferential direction of the hoop is arranged on one side of the conductive bottom support back to the center of the hoop, and the conductive bottom support is clamped on the radial inner side of the hoop.
The beneficial effects are that: design like this need not the design on the staple bolt and is used for clamping the recess of electrically conductive collet, is convenient for guarantee the structural strength of staple bolt.
Further improve, staple bolt bottom is equipped with joint cambered surface and two joint planes, and two joint planes are arranged in the axial both sides of staple bolt, two joint planes of joint cambered surface connection, the slot diapire of draw-in groove be with the arc surface of joint cambered surface adaptation.
The beneficial effects are that: design like this, the area of contact and the electrically conductive area of the electrically conductive collet of increase and staple bolt reduce the pressure between electrically conductive collet and the staple bolt, avoid electrically conductive collet to bear pressure great and produce great deformation, and then crowded rubble china ink board.
Further improved, the conductive bottom support is an aluminum bottom support.
The beneficial effects are that: design like this, electrically conductive collet and staple bolt, the female material of pipe are aluminium, avoid appearing electrochemical corrosion, increase of service life between electrically conductive collet, staple bolt, the female pipe.
Further, the insulating slide blocks are arranged on the radial inner side of the bottom of the hoop, and the insulating slide blocks and the equipotential devices are respectively positioned on two sides of a vertical plane passing through the central line of the hoop and used for supporting the pipe nuts together.
The beneficial effects are that: by the design, the equipotential device and the insulating slide block support the tube bus together, the number of the insulating slide blocks is reduced, parts which rub against the sliding tube bus are reduced, and damage to the tube bus is reduced.
Drawings
Fig. 1 is a schematic diagram of a power transmission system of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic diagram of the construction of the medium potential apparatus of FIG. 1;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a top view of FIG. 3;
FIG. 6 is a cross-sectional view of the conductive shoe of FIG. 4;
fig. 7 is a schematic view of the structure of the graphite plate of fig. 4.
Description of the reference numerals: 11. a lower holding clamp; 12. an upper holding clamp; 13. a pipe nut; 14. an insulating slider; 15. an equipotential device; 16. a base; 17. a conductive base support; 18. graphite plates; 19. a card slot; 20. mounting grooves; 21. a circular arc surface; 22. and clamping the plane.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that, in the embodiments of the present invention, relational terms such as "first" and "second", and the like, which may be present in the embodiments, are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that such actual relationships or sequences between the entities or operations exist. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the possible occurrence of the phrases "comprising a limited element of '8230', \8230;" 8230; "etc. does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
In the description of the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," and "connected" that may be present are to be construed broadly, e.g., as a fixed connection, a releasable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" should be understood broadly, for example, the object provided may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be detachable or non-detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
The present invention will be described in further detail with reference to examples.
The utility model discloses in the embodiment 1 of the transmission system that provides:
as shown in fig. 1 and 2, the power transmission system includes a tubular busbar support fitting and a tubular busbar 13, the tubular busbar support fitting includes a base 16, and the base 16 is mounted on a support insulator through a fixing bolt. The base 16 is provided with a hoop which is sleeved on the pipe bus 13, the hoop comprises a lower holding clamp 11 and an upper holding clamp 12 which are fixed together through screws, and the lower holding clamp 11 is connected with the base 16 through a countersunk bolt.
Define female 13 of pipe and extend along the fore-and-aft direction, embrace radial inboard of pressing from both sides 11 bottoms down and install equipotential device 15 and insulating slider 14, equipotential device 15 and insulating slider 14 are left right direction upper symmetric distribution and are located the both sides of the vertical plane of the female 13 central line of pipe respectively to female 13 of common stay tube, wherein, insulating slider 14's material is plastics, equipotential device 15 is electrically conductive material, female 13 of the electrically conductive connecting pipe of equipotential device 15 and staple bolt, make female 13 of pipe and staple bolt be in same electric potential, and avoid appearing corona phenomenon. The nut 13 is pressed against the equipotential device 15 by its own weight, and can be kept in contact with the equipotential device 15.
As shown in fig. 3 to 5, the equipotential device 15 includes a conductive bottom support 17 clamped on the radial inner side of the lower clasping clamp 11, wherein the bottom of the conductive bottom support 17 is provided with a clamping groove 19 extending along the circumferential direction of the lower clasping clamp 11, the radial inner side of the bottom of the lower clasping clamp 11 is provided with a clamping arc surface and two clamping planes 22, the two clamping planes 22 are arranged on the two axial sides of the hoop, the clamping arc surface is connected with the two clamping planes 22, the groove bottom wall of the clamping groove 19 is an arc surface 21 adapted to the clamping arc surface, so as to increase the contact area between the conductive bottom support 17 and the lower clasping clamp 11, and reduce the pressure of the contact surface between the conductive bottom support 17 and the lower clasping clamp 11.
As shown in fig. 6 and 7, the side of the conductive bottom support 17 facing the center of the hoop protrudes out of the radial inner side surface of the hoop, and one side of the conductive bottom support 17 facing the center of the hoop is provided with a mounting groove 20, a graphite plate 18 is mounted in the mounting groove 20, and the top surface of the graphite plate 18 protrudes out of the conductive bottom support 17 to form a support surface for supporting the tubular bus 13, so that equipotential connection between the tubular bus 13 and the hoop is achieved. Graphite has excellent self-lubricating property, wear resistance and corrosion resistance in addition to excellent electric conductivity, so when the tubular bus 13 slides on the graphite plate 18 along the axial direction of the tubular bus 13, the friction between the graphite plate 18 and the tubular bus 13 is very small, the scratch between the graphite plate 18 and the tubular bus 13 can be reduced, and the service life of the equipotential device 15 can be prolonged.
The graphite plate 18 is a circular plate, and the mounting groove 20 is matched with the graphite plate 18, so that the contact surface between the mounting groove 20 and the graphite plate 18 is an arc surface, and the situation that the graphite plate 18 is cracked due to overlarge local pressure at a sharp corner is avoided. Moreover, the top ends of the graphite plates 18 facing the center of the hoop are rounded to avoid crushing the edges of the graphite plates 18 by the nuts 13.
When the pipe nut 13 slides along the axial direction, the equal potential device 15 has a pulling force or a pushing force along the axial direction so as to drive the equal potential device 15 to swing. Because graphite hardly has ductility, and is very fragile, consequently, compare in graphite cake 18 and directly clamp under on embrace and press from both sides 11, place graphite cake 18 and can improve the structural strength of equipotential device 15 in electrically conductive collet 17's mounting groove 20, reduce graphite cake 18's deformation, moreover, the groove lateral wall of mounting groove 20 can restrict graphite cake 18's deformation, avoids appearing graphite cake 18 because of warping the cracked condition too big.
It should be noted that the conductive bottom support 17 is an aluminum bottom support, and the tubular bus 13 and the anchor ear are both made of aluminum, so that electrochemical corrosion does not occur between the conductive bottom support 17 and the tubular bus 13 and the anchor ear, and the service lives of the equipotential device 15, the tubular bus 13 and the anchor ear can be prolonged.
The utility model discloses an among the power transmission system, equipotential device 15's graphite cake 18 installs the radial inboard in the staple bolt bottom through electrically conductive collet 17, and female 13 of pipe utilizes self weight to press on the holding surface of graphite cake 18, guarantees the contact of equipotential device 15 and female 13 of pipe, staple bolt, and female 13 of pipe and staple bolt pass through graphite cake 18, electrically conductive collet 17 electrically conductive connection for female 13 of pipe is in same electric potential with the staple bolt. Because the graphite plate 18 has excellent self-lubricating property, the friction coefficient between the graphite plate 18 and the tube mother 13 is very small, and the friction damage between the equipotential device 15 and the tube mother 13 is reduced.
The utility model discloses in the embodiment 2 of the transmission system that provides:
the present embodiment is different from embodiment 1 in that: in embodiment 1, the top surface of the conductive base 17 is provided with a mounting groove 20, and the graphite plate 18 is embedded and fixed in the mounting groove 20. In the embodiment, the installation groove 20 is omitted, and the graphite plate 18 is fixed on the side surface of the conductive bottom support 17 close to the center of the hoop through a bolt. In other embodiments, a groove may be provided at the bottom of the graphite plate 18, and the conductive base 17 is fixed in the groove by being embedded.
The utility model discloses in the embodiment 3 of the transmission system that provides:
the present embodiment is different from embodiment 1 in that: in embodiment 1, the graphite plate 18 is a circular plate, and the mounting groove 20 is a circular groove fitted to the graphite plate 18. In the embodiment, the graphite plate 18 is a polygonal body, such as a square plate, and the mounting groove 20 is adapted to the graphite plate 18.
The utility model discloses in the embodiment 4 of the transmission system that provides:
the present embodiment is different from embodiment 1 in that: in embodiment 1, the conductive base support 17 is clamped and fixed on the inner side surface of the bottom of the hoop. In this embodiment, the bottom of the conductive bottom support 17 is provided with a connecting flange, the connecting flange is provided with a connecting hole, the radial inner side surface of the hoop is provided with a milling plane, the milling plane is provided with a corresponding threaded hole, and the connecting flange is connected with the hoop through a bolt. In other embodiments, the conductive shoe 17 may be welded to the radially inner side of the bottom of the anchor ear.
The utility model discloses in the embodiment 5 of the transmission system that provides:
the present embodiment is different from embodiment 1 in that: in embodiment 1, a clamping groove 19 is formed on one side of the conductive base 17 facing away from the center of the hoop, so that the conductive base 17 can be clamped on the bottom of the hoop. And in this embodiment, the radial inboard of staple bolt bottom is equipped with the recess, recess and electrically conductive collet 17 adaptation, and electrically conductive collet 17 inlays the dress in the recess.
The utility model discloses in the embodiment 6 of the transmission system that provides:
the present embodiment is different from embodiment 1 in that: in embodiment 1, the bottom wall of the slot 19 is an arc surface 21 adapted to the inner circumferential surface of the bottom of the hoop. In the present embodiment, the bottom wall of the slot 19 is a straight plane.
The utility model discloses an embodiment of female support gold utensil of pipe: the structure of the tubular bus bar support fitting is the same as that of the tubular bus bar support fitting of any one of embodiments 1 to 6 of the power transmission system, and is not specifically described here.
The above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all that is applied to the structural changes made by the contents of the specification and the drawings of the present invention, and the same principle should be included in the protection scope of the present invention.
Claims (10)
1. A pipe bus support fitting comprises a hoop sleeved on a pipe bus (13), wherein an equipotential device (15) is installed on the radial inner side of the bottom of the hoop; the equipotential device (15) is characterized by comprising a conductive bottom support (17) and a graphite plate (18), wherein the conductive bottom support (17) is installed on the radial inner side of the bottom of the hoop, the graphite plate (18) is fixed on one side, facing the center of the hoop, of the conductive bottom support (17), and the graphite plate (18) is provided with a supporting surface for supporting the pipe bus (13).
2. The tubular busbar support fitting according to claim 1, wherein a mounting groove (20) is formed in the top surface of the conductive bottom support (17), and the graphite plate (18) is embedded and fixed in the mounting groove (20).
3. The tubular busbar support fitting according to claim 2, wherein the graphite plate (18) is a circular plate, and the mounting groove (20) is a circular groove matched with the graphite plate (18).
4. The tube bus support fitting of claim 1, 2 or 3, wherein the edges of the support surface have rounded corners.
5. The tubular busbar support fitting according to claim 1, 2 or 3, wherein the conductive bottom support (17) is clamped radially inside the bottom of the hoop.
6. The tubular bus support fitting of claim 5, wherein the conductive collet (17) is provided with a locking groove (19) extending along the circumferential direction of the hoop on the side facing away from the center of the hoop, so that the conductive collet (17) can be locked on the radial inner side of the hoop.
7. The tubular bus support fitting according to claim 6, characterized in that the bottom of the hoop is provided with a clamping arc surface and two clamping planes (22), the two clamping planes (22) are arranged on two axial sides of the hoop, the clamping arc surface is connected with the two clamping planes (22), and the bottom wall of the clamping groove (19) is an arc surface (21) matched with the clamping arc surface.
8. The tubular busbar support fitting according to claim 1, 2 or 3, wherein the conductive shoe (17) is an aluminum shoe.
9. The tubular busbar support fitting according to claim 1, 2 or 3, wherein an insulating slider (14) is mounted on the radial inner side of the bottom of the hoop, and the insulating slider (14) and the equipotential device (15) are respectively located on two sides of a vertical plane passing through the center line of the hoop and are used for supporting the tubular busbar (13) together.
10. A power transmission system comprising a tubular busbar support fitting and a tubular busbar (13), wherein the tubular busbar support fitting is the tubular busbar support fitting of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222475442.4U CN218771168U (en) | 2022-09-19 | 2022-09-19 | Female support fitting of pipe and transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222475442.4U CN218771168U (en) | 2022-09-19 | 2022-09-19 | Female support fitting of pipe and transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218771168U true CN218771168U (en) | 2023-03-28 |
Family
ID=85693872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222475442.4U Active CN218771168U (en) | 2022-09-19 | 2022-09-19 | Female support fitting of pipe and transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218771168U (en) |
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2022
- 2022-09-19 CN CN202222475442.4U patent/CN218771168U/en active Active
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Effective date of registration: 20230927 Address after: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee after: PINGGAO GROUP Co.,Ltd. Patentee after: Pinggao Group (Henan) Power Equipment Technology Co.,Ltd. Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee before: PINGGAO GROUP Co.,Ltd. |