A three-phase copper busbar assembly

Abstract

The present invention relates to the technical field of three-phase copper busbar assemblies, and specifically to a three-phase copper busbar assembly, comprising a copper busbar, a rear shell and a limiting and fixing structure, wherein the copper busbar is nested and fixed in the rear shell, the front shell is fixed at the front end of the rear shell, and a nut is further provided on the front shell, and the nut is used to fix the front shell to an external frame. Through the arrangement of the copper busbar, the copper busbar is plastic-sealed by the rear shell to perform stable positioning of the copper busbar, the front end of the rear shell is fixed to the front shell, and a silicon steel core is provided at the lower end of the front shell, which is conveniently connected to a conductive sheet through the silicon steel core, and the conductive sheet is a first docking structure, a second docking structure, and a third docking structure, which are magnetically fixed to the silicon steel core and then fastened by screws, thereby helping to carry out docking and connection work between the copper busbar and the conductive sheet, and at the same time, the arrangement of the nut facilitates the fixing of the rear shell and the front shell by screws, and realizes the connection and fastening of the rear shell, the front shell and the casing, thereby facilitating the conductive processing work.

Description

Technical Field

[0001] The present invention relates to the technical field of copper busbars, in particular to a three-phase copper busbar assembly. Background Art

[0002] A three-phase copper busbar typically consists of a copper conductor coil, a housing, a plug, an oil pit, and an insulating sheet. The copper conductor coil is made of high-purity electrolytic copper and is produced using advanced casting processes and technologies. The housing and plug serve as the protective cover and connecting parts of the three-phase copper busbar, making it safer and more stable. The three-phase copper busbar assembly achieves efficient and stable power transmission through optimized structural design, material selection, and manufacturing processes. It has a wide range of applications, playing a key role in everything from power systems to electronic equipment. Scientific maintenance methods further extend its service life and reliability.

[0003] At present, the existing three-phase copper busbar assembly is not convenient for quick assembly during use. The traditional three-phase copper busbar assembly requires screws for connection and fixation, and cannot be quickly pre-positioned, resulting in inconvenient operation during installation. Therefore, improvements are made to address the above problems. Summary of the Invention

[0004] In view of the problems in the prior art, the present invention provides a three-phase copper busbar assembly.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a three-phase copper busbar assembly, including a copper busbar, a rear shell and a limiting fixing structure, the copper busbar is nested and fixed in the rear shell, the front shell is fixed at the front end of the rear shell, and a nut is further provided on the front shell, the nut is used to fix the front shell to an external frame, through the setting of the copper busbar, the copper busbar is plastic-sealed by the rear shell to perform stable positioning of the copper busbar, the front end of the rear shell is fixed to the front shell, and a silicon steel core is provided at the lower end of the front shell, which is conveniently connected to the conductive sheet through the silicon steel core, and the conductive sheet is a first docking structure, a second docking structure, and a third docking structure. The first docking structure, the second docking structure, and the third docking structure are magnetically fixed to the silicon steel core, and then fastened by screws, thereby helping to carry out docking and connection work between the copper busbar and the conductive sheet, and at the same time, the setting of the nut facilitates the fixation of the rear shell and the front shell by screws, thereby realizing the connection and fastening of the rear shell, the front shell and the casing;

[0006] The limiting and fixing structure is used to fix and limit the conductive sheet, quickly connect the copper busbar with the conductive sheet, and perform preliminary positioning of the conductive sheet at the same time. The conductive sheet is limited by magnetic attraction, and the limiting and fixing structure is arranged at the lower end of the front shell. The copper busbar is plastic-sealed and fixed in the rear shell. The rear shell and the front shell are fixed, and the copper busbar and the front shell are connected. A silicon steel core is provided at the lower end of the front shell, which can be used for adsorption connection of the conductive sheet, thereby facilitating the connection between the conductive sheet and the bottom of the copper busbar. After that, the screws are screwed to perform positioning work, which is convenient for wiring processing. The setting of the nut facilitates the fixation of the rear shell, the front shell and the external mounting structure.

[0007] Specifically, the limiting and fixing structure is a silicon steel core, which limits and fixes the conductive sheet by magnetic attraction. The conductive sheet is a first docking structure, a second docking structure and a third docking structure.

[0008] Specifically, the position-limiting fixing structure is a combination of a silicon steel core and a position-limiting docking structure. The silicon steel core performs magnetic attraction, the position-limiting docking structure is used for mechanical position limiting, and the position-limiting docking structure is adapted to the first docking structure, the second docking structure, and the third docking structure. The structural setting of the position-limiting docking structure can assist in the fixing work. The silicon steel core and the position-limiting docking structure cooperate to facilitate the position-limiting work of the first docking structure, the second docking structure, and the third docking structure. The first docking structure and the third docking structure have the same structure and are symmetrically arranged. The first copper sheet on the first docking structure is fixed to the first docking end seat, and a first adapting groove is provided on the first copper sheet for easy adaptation and adjustment with the position-limiting docking structure. The second copper sheet and the second docking end seat on the second docking structure are fixed The first and second adapter slots are fixed, and the second copper sheet is provided with a second adapter slot, which is convenient for limiting the connection with the limit docking structure, thereby facilitating the fastening connection. The fastening seat and the fixing frame in the limit docking structure are fixed, and the fastening seat and the fixing frame can be installed and positioned by fastening screws. At the same time, the limiting component is provided on the fixing frame. Through the setting of the limiting component, the mechanical connection of the first docking structure, the second docking structure and the third docking structure is convenient. Touching and pressing the end frame can make the telescopic mechanism cooperate with the telescopic mechanism to change the position of the first adapter card frame and the second adapter card frame, so that they can cooperate with the first adapter slot and the third adapter slot. Then release the pressing end frame, press the end frame to reset it, and the limiting work of the first docking structure, the second docking structure and the third docking structure can be performed.

[0009] Specifically, the first docking structure includes a first docking end seat and a first copper sheet. The rear end of the first docking end seat is fixedly connected to the first copper sheet. A first adapter groove is provided on the first copper sheet. The first docking structure is the same as the third docking structure. The first docking structure and the third docking structure are symmetrically arranged through the second docking structure.

[0010] Specifically, the second docking structure includes a second copper sheet and a second docking end seat. The rear end of the second docking end seat is fixed to the second copper sheet. The second copper sheet is provided with a second adaptation groove and a third adaptation groove. The second adaptation groove, the third adaptation groove and the first adaptation groove are all L-shaped groove structures.

[0011] Specifically, the limit docking structure includes a fastening seat and a fixing frame, the fastening seat is fixedly connected to a fixing frame, the fixing frame is elastically and telescopically connected to a limit component, and the fastening seat is threadedly connected to a fastening screw, and the fastening seat in the limit docking structure is screwed and fixed to the rear shell by the fastening screw to realize the positioning of the limit docking structure, and then the first docking structure, the second docking structure, and the third docking structure are placed at the lower end of the silicon steel magnetic core and placed inside the limit docking structure at the same time. At this time, the user touches and presses the end frame to cause the pressing end frame to contract, driving the connecting rod to move in coordination, and the connecting rod is fixed to the telescopic connecting rod, driving the telescopic connecting rod to slide in the central limit seat and the fixed sleeve through the spring connecting rod, changing the first adapter bracket, the second adapter bracket, and the third adapter bracket. The position of the matching card bracket is connected with the fixed limit sleeve and the fixed bracket to keep the position unchanged. At this time, the first copper sheet can be inserted through the first adapter slot, and the second copper sheet in the second docking structure can also be inserted through the second adapter slot and the third adapter slot. The first adapter card bracket and the second adapter card bracket are connected for limit, and then the pressing end bracket is released. The pressing end bracket is reset and rebounded under the action of the spring telescopic rod. The spring telescopic rod is connected with the fixed bracket for limit, and the rebound causes the first adapter card bracket and the second adapter card bracket to move back, and the first docking structure, the second docking structure, and the third docking structure are limited. At this time, the first docking structure, the second docking structure, and the third docking structure can be combined with the copper bus to perform conductive processing.

[0012] Specifically, the limiting component includes a cooperating telescopic mechanism, on which a first adapting card frame, a fixed limiting sleeve and a second adapting card frame are provided. The first adapting card frame and the second adapting card frame are adjusted following the cooperating telescopic mechanism. The fixed limiting sleeve is fixed on the fixed frame. The cooperating telescopic mechanism is telescopically adjusted relative to the fixed limiting sleeve. The side end of the cooperating telescopic mechanism is connected to the connecting rod for limiting connection. The side end of the connecting rod is connected to the pressing end frame for limiting connection. The pressing end frame is elastically connected with a spring telescopic rod.

[0013] Specifically, the cooperative telescopic mechanism includes a center limit seat and a fixed sleeve. The inner cavity of the fixed sleeve is fixedly connected to the center limit seat. The side end of the center limit seat is telescopically connected to a spring connecting rod. The side end of the spring connecting rod is limitedly connected to the telescopic connecting rod. The telescopic connecting rod and the spring connecting rod are elastically telescopically adjusted on the center limit seat and the fixed sleeve.

[0014] Specifically, a support block is provided on the fastening seat, a track rod is fixedly provided on the side end of the support block, a spring is provided on one side of the track rod located on the support block, the limit fixing bracket elastically expands and contracts on the spring, and the limit fixing bracket slides and adjusts on the track rod, and the lower end of the limit fixing bracket is fixedly connected to a pressing and regulating block.

[0015] Specifically, by pressing the pressing control block, the position of the limit fixing bracket can be changed so that the limit fixing bracket is adapted to be connected with the groove body preset at the lower end of the rear shell.

[0016] Beneficial effects of the present invention:

[0017] 1. The present invention sets a copper busbar, and the copper busbar is sealed by the rear shell to stabilize the copper busbar. The front end of the rear shell is fixed to the front shell, and the lower end of the front shell is provided with a silicon steel core, which is conveniently connected to the conductive sheet through the silicon steel core. The conductive sheet is a first docking structure, a second docking structure, and a third docking structure. The first docking structure, the second docking structure, and the third docking structure are magnetically fixed to the silicon steel core, and then fastened by screws, thereby helping to dock and connect the copper busbar and the conductive sheet. At the same time, the setting of the nut facilitates the fixation of the rear shell and the front shell by screws, thereby realizing the connection and fastening of the rear shell, the front shell and the casing.

[0018] Second, the present invention can assist in fixing work through the structural setting of the limiting docking structure. The silicon steel core and the limiting docking structure cooperate to facilitate the limiting work of the first docking structure, the second docking structure, and the third docking structure. The first docking structure and the third docking structure have the same structure and are symmetrically set. The first copper sheet on the first docking structure is fixed to the first docking end seat, and the first copper sheet is provided with a first adapter groove, which is convenient for adaptation and adjustment with the limiting docking structure. The second copper sheet and the second docking end seat are fixed on the second docking structure, and the second copper sheet is provided with a second adapter groove and a third adapter groove, which is convenient for limiting engagement with the limiting docking structure, thereby facilitating Perform a fastening connection, fix the fastening seat and the fixing frame in the limit docking structure, and the fastening seat and the fixing frame can be installed and positioned by fastening screws. At the same time, the limiting component is provided on the fixing frame. Through the setting of the limiting component, the mechanical connection of the first docking structure, the second docking structure, and the third docking structure is convenient. Touching and pressing the end frame can make the telescopic mechanism cooperate with the telescopic mechanism to change the position of the first adapter card frame and the second adapter card frame, so that they can cooperate with the first adapter slot and the third adapter slot. Then release the pressing end frame and press the end frame to reset it, and the limiting work of the first docking structure, the second docking structure, and the third docking structure can be performed.

[0019] Third, the present invention facilitates the positioning of the track rod through the provision of a support block. The track rod is elastically connected with a limit fixing bracket through a spring, and the lower end of the limit fixing bracket is fixed to the pressing and regulating block. By pressing the pressing and regulating block, the position of the limit fixing bracket can be changed, so that the limit fixing bracket is adapted to be connected with the preset groove at the lower end of the rear shell, thereby performing rapid installation of the limit docking structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings and examples.

[0021] Figure 1 This is a schematic diagram of the first-perspective three-dimensional structure of the main body of the present invention;

[0022] Figure 2 This is a schematic diagram of the second perspective three-dimensional structure of the main body of the present invention;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the second embodiment of the main body of the present invention;

[0024] Figure 4 It is a three-dimensional diagram of the position-limiting docking structure, the first docking structure, the second docking structure, and the third docking structure in the present invention;

[0025] Figure 5 This is an exploded view of the position-limiting docking structure, the first docking structure, the second docking structure, and the third docking structure in the present invention;

[0026] Figure 6 is a three-dimensional diagram of the first docking structure of the present invention;

[0027] Figure 7 is a three-dimensional diagram of the second docking structure of the present invention;

[0028] Figure 8 It is a three-dimensional diagram of the position-limiting docking structure of the present invention;

[0029] Figure 9 This is an exploded view of the position-limiting docking structure of the present invention;

[0030] Figure 10 A three-dimensional diagram of the limiting component in the present invention;

[0031] Figure 11 It is a cross-sectional view of the telescopic mechanism of the present invention;

[0032] Figure 12 It is a three-dimensional diagram of the third embodiment of the position-limiting docking structure in the present invention.

[0033] In the figure: 1-copper busbar, 2-rear shell, 3-front shell, 4-silicon steel core, 5-nut, 6-limited docking structure, 7-first docking structure, 8-second docking structure, 9-third docking structure, 10-first copper sheet, 11-first adapter slot, 12-first docking end seat, 13-second adapter slot, 14-third adapter slot, 15-second copper sheet, 16-second docking end seat, 17-fastening seat, 18-fixing frame, 19- Fastening screws, 20-limiting components, 21-pressing end frame, 22-connecting rod, 23-spring telescopic rod, 24-first adapter card frame, 25-fixed limiting sleeve, 26-second adapter card frame, 27-cooperating telescopic mechanism, 28-telescopic connecting rod, 29-spring connecting rod, 30-center limiting seat, 31-fixed sleeve, 32-support block, 33-spring, 34-limiting fixed card frame, 35-pressing control block, 36-track rod. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0035] The present invention will be further described below with reference to the accompanying drawings.

[0036] Example 1

[0037] like Figure 1-2As shown, a three-phase copper busbar assembly of the present invention includes a copper busbar 1 and a rear shell 2. The copper busbar 1 is plastic-sealed and fixed in the rear shell 2. The rear shell 2 is fixed to the front shell 3, and the copper busbar 1 and the front shell 3 are connected. A silicon steel core 4 is provided at the lower end of the front shell 3, which can be adsorbed and connected with the conductive sheet, thereby facilitating the connection of the conductive sheet to the bottom of the copper busbar 1. After that, the screws are screwed to perform positioning work, which is convenient for wiring processing. The setting of the nut 5 facilitates the fixation of the rear shell 2, the front shell 3 and the external mounting structure. The copper busbar 1 is nested and fixed in the rear shell 2, and the front shell 3 is fixed at the front end of the rear shell 2. A nut 5 is also provided on the front shell 3. The nut 5 is used to fix the front shell 3 to the external frame. The silicon steel core 4 is magnetically sucked in The conductive sheet is limited and fixed. Through the setting of the copper busbar 1, the copper busbar 1 is plastic-sealed through the rear shell 2 to stabilize the copper busbar 1. The front end of the rear shell 2 is fixed to the front shell 3, and the lower end of the front shell 3 is provided with a silicon steel core 4, which is conveniently connected to the conductive sheet through the silicon steel core 4. The conductive sheet is a first docking structure 7, a second docking structure 8, and a third docking structure 9. The first docking structure 7, the second docking structure 8, and the third docking structure 9 are magnetically fixed to the silicon steel core 4 and then fastened with screws, thereby helping to connect the copper busbar 1 with the conductive sheet. At the same time, the setting of the nut 5 facilitates the fixation of the rear shell 2 and the front shell 3 by screws, thereby realizing the connection and fastening of the rear shell 2, the front shell 3 and the casing.

[0038] The working principle is: when in use, the copper busbar 1 is plastic-sealed and fixed in the rear shell 2, the rear shell 2 is fixed to the front shell 3, and the copper busbar 1 and the front shell 3 are set through. A silicon steel core 4 is provided at the lower end of the front shell 3, which can be used for adsorption connection of the conductive sheet, thereby facilitating the connection of the conductive sheet to the bottom of the copper busbar 1. After that, the screws are screwed to perform positioning work, which is convenient for wiring processing. The setting of the nut 5 facilitates the fixation of the rear shell 2, the front shell 3 and the external mounting structure.

[0039] Example 2

[0040] On the basis of Example 1, Figure 3-11As shown, the limiting fixing structure is a combination of a silicon steel core 4 and a limiting docking structure 6. The silicon steel core 4 performs magnetic attraction, and the limiting docking structure 6 is used for mechanical limiting. The limiting docking structure 6 is adapted to the first docking structure 7, the second docking structure 8, and the third docking structure 9. The structural setting of the limiting docking structure 6 can assist in the fixing work. The silicon steel core 4 and the limiting docking structure 6 cooperate to facilitate the limiting work of the first docking structure 7, the second docking structure 8, and the third docking structure 9. The first docking structure 7 and the third docking structure 9 have the same structure and are symmetrically arranged. The first copper sheet 10 on the first docking structure 7 is fixed to the first docking end seat 12. The first copper sheet 10 is provided with a first adapting groove 11 for easy adaptation and adjustment with the limiting docking structure 6. The second copper sheet 15 and the second docking end seat 16 on the second docking structure 8 are fixed, and the second copper sheet 15 A second adapting groove 13 and a third adapting groove 14 are provided on the top, which are convenient for limiting the connection with the limiting docking structure 6, so as to facilitate the fastening connection. The fastening seat 17 and the fixing frame 18 in the limiting docking structure 6 are fixed, and the fastening seat 17 and the fixing frame 18 can be installed and positioned by fastening screws 19. At the same time, the limiting component 20 is provided on the fixing frame 18. Through the setting of the limiting component 20, the mechanical connection of the first docking structure 7, the second docking structure 8 and the third docking structure 9 is convenient. Touching and pressing the end frame 21 can make the telescopic mechanism 27 cooperate with the telescopic mechanism 27 to change the position of the first adapting card frame 24 and the second adapting card frame 26, so that they can cooperate with the first adapting groove 11 and the third adapting groove 14. Then release the pressing end frame 21, press the end frame 21 to reset, and the limiting work of the first docking structure 7, the second docking structure 8 and the third docking structure 9 can be performed.

[0041] The first docking structure 7 includes a first docking end seat 12 and a first copper sheet 10. The rear end of the first docking end seat 12 is fixedly connected to the first copper sheet 10. The first copper sheet 10 is provided with a first adapting groove 11. The first docking structure 7 has the same structure as the third docking structure 9. The first docking structure 7 and the third docking structure 9 are symmetrically arranged through the second docking structure 8.

[0042] The second docking structure 8 includes a second copper sheet 15 and a second docking end seat 16. The rear end of the second docking end seat 16 is fixed to the second copper sheet 15. The second copper sheet 15 is provided with a second adapting groove 13 and a third adapting groove 14. The second adapting groove 13, the third adapting groove 14 and the first adapting groove 11 are all L-shaped groove structures.

[0043] The limiting docking structure 6 includes a fastening seat 17 and a fixing frame 18, the fastening seat 17 is fixedly connected to the fixing frame 18, the fixing frame 18 is elastically and telescopically connected to the limiting component 20, and the fastening seat 17 is threadedly connected with a fastening screw 19. The fastening seat 17 in the limiting docking structure 6 is screwed and fixed to the back shell 2 through the fastening screw 19 to realize the positioning of the limiting docking structure 6. Thereafter, the first docking structure 7, the second docking structure 8, and the third docking structure 9 are placed at the lower end of the silicon steel core 4 and placed inside the limiting docking structure 6 at the same time. At this time, the user touches and presses the end frame 21 to cause the pressing end frame 21 to contract, driving the connecting rod 22 to cooperate with the movement. The connecting rod 22 is fixed to the telescopic link 28, driving the telescopic link 28 to slide in the center limiting seat 30 and the fixed sleeve 31 through the spring link 29, changing the first adapter card frame 24, the second adapter card frame 24, and the second adapter card frame 24. The position of the matching card holder 26 is adjusted, and the fixed limiting sleeve 25 is limitedly connected to the fixed frame 18 to keep the position stationary. At this time, the first copper sheet 10 can be inserted through the first adapting groove 11. At the same time, the second copper sheet 15 in the second docking structure 8 can also be inserted through the second adapting groove 13 and the third adapting groove 14. The first adapting card holder 24 and the second adapting card holder 26 are limitedly connected. Then, the pressing end frame 21 is released, and the pressing end frame 21 is reset and rebounded under the action of the spring telescopic rod 23. The spring telescopic rod 23 is limitedly connected to the fixed frame 18. The rebound causes the first adapting card holder 24 and the second adapting card holder 26 to move back, and the first docking structure 7, the second docking structure 8, and the third docking structure 9 are limited. At this time, the first docking structure 7, the second docking structure 8, and the third docking structure 9 can be combined with the copper bus 1 for conductive processing.

[0044] The limiting component 20 includes a cooperating telescopic mechanism 27, on which a first adapting card frame 24, a fixed limiting sleeve 25 and a second adapting card frame 26 are provided. The first adapting card frame 24 and the second adapting card frame 26 are adjusted following the cooperating telescopic mechanism 27. The fixed limiting sleeve 25 is fixed on the fixed frame 18. The cooperating telescopic mechanism 27 is telescopically adjusted relative to the fixed limiting sleeve 25. The side end of the cooperating telescopic mechanism 27 is limitedly connected to the connecting rod 22. The side end of the connecting rod 22 is limitedly connected to the pressing end frame 21. The pressing end frame 21 is elastically connected with a spring telescopic rod 23.

[0045] The cooperating telescopic mechanism 27 includes a center limit seat 30 and a fixed sleeve 31. The inner cavity of the fixed sleeve 31 is fixedly connected to the center limit seat 30. The side end of the center limit seat 30 is telescopically connected to the spring link 29. The side end of the spring link 29 is limitedly connected to the telescopic link 28. The telescopic link 28 and the spring link 29 are elastically telescopically adjusted on the center limit seat 30 and the fixed sleeve 31.

[0046] When in use, first screw the fastening seat 17 in the limit docking structure 6 to the rear shell 2 through the fastening screws 19 to realize the positioning of the limit docking structure 6, and then place the first docking structure 7, the second docking structure 8, and the third docking structure 9 on the lower end of the silicon steel core 4 and put them into the limit docking structure 6 at the same time. At this time, the user touches and presses the end frame 21 to cause the pressing end frame 21 to contract, driving the connecting rod 22 to move in coordination. The connecting rod 22 is fixed to the telescopic link 28, driving the telescopic link 28 to slide in the central limit seat 30 and the fixed sleeve 31 through the spring link 29, changing the position of the first adapter card frame 24 and the second adapter card frame 26, and the fixed limit sleeve 25 is connected to the fixed frame 18 to keep the position unchanged. At this time, the first copper sheet 10 can be inserted through the first adapting slot 11, and the second copper sheet 15 in the second docking structure 8 can also be inserted through the second adapting slot 13 and the third adapting slot 14, and the first adapting card frame 24 and the second adapting card frame 26 are used for limit connection. Then, the pressing end frame 21 is released, and the pressing end frame 21 is reset and rebounded under the action of the spring telescopic rod 23. The spring telescopic rod 23 is connected to the fixed frame 18 for limit connection. The rebound causes the first adapting card frame 24 and the second adapting card frame 26 to move back, and the first docking structure 7, the second docking structure 8, and the third docking structure 9 are limited. At this time, the first docking structure 7, the second docking structure 8, and the third docking structure 9 can be combined with the copper bus 1 for conductive processing.

[0047] Example 3

[0048] On the basis of Example 2, Figure 12 The cam 35 is pressed against the top of the support frame 32 and the cam 36 is pressed against the support frame 32 so that the cam 36 can move freely, thereby preventing the cam 36 from sliding onto the support frame 32.

[0049] The position-limiting fixed bracket 34 is fixed to the lower end of the rear housing 2. The support block 32 is provided to facilitate the positioning of the track rod 36. The track rod 36 is elastically connected to the position-limiting fixed bracket 34 via a spring 33. The lower end of the position-limiting fixed bracket 34 is fixed to the pressing and regulating block 35. By pressing the pressing and regulating block 35, the position of the position-limiting fixed bracket 34 can be changed, so that the position-limiting fixed bracket 34 is adapted to be connected to the groove body preset at the lower end of the rear housing 2, thereby quickly installing the position-limiting docking structure 6.

[0050] When in use, the fastening seat 17 is not fixed by the fastening screws 19. The support block 32 is fixed on the fastening seat 17, and the track rod 36 is fixed on the support block 32. The limit fixing bracket 34 and the pressing and regulating block 35 can be slidably adjusted on the track rod 36. At the same time, the setting of the spring 33 facilitates pushing, so that the limit fixing bracket 34 and the pressing and regulating block 35 can be slidably adjusted on the track rod 36, and the lower end of the rear shell 2 is provided with a groove body adapted to the limit fixing bracket 34. At this time, the limit fixing bracket 34 can cooperate with the groove body to perform rapid limit docking.

[0051] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A three-phase copper busbar assembly, characterized by: It comprises a copper busbar (1), a rear shell (2) and a position-limiting fixing structure, wherein the copper busbar (1) is nested and fixed in the rear shell (2), a front shell (3) is fixed at the front end of the rear shell (2), and a nut (5) is further provided on the front shell (3), and the nut (5) is used to fix the front shell (3) to an external frame; The position-limiting fixing structure is used for fixing and limiting the conductive sheet, quickly docking the copper busbar (1) with the conductive sheet, and performing preliminary position limiting of the conductive sheet at the same time, and limiting the conductive sheet by magnetic attraction, and the position-limiting fixing structure is provided at the lower end of the front shell (3); The position-limiting fixing structure is a combination of a silicon steel magnetic core (4) and a position-limiting docking structure (6), wherein the silicon steel magnetic core (4) is magnetically attracted, and the position-limiting docking structure (6) is used for mechanical position limiting, and the position-limiting docking structure (6) is adaptively arranged with the first docking structure (7), the second docking structure (8), and the third docking structure (9); The first docking structure (7) comprises a first docking end seat (12) and a first copper sheet (10), the rear end of the first docking end seat (12) is fixedly connected to the first copper sheet (10), and the first copper sheet (10) is provided with a first adapting groove (11). The first docking structure (7) and the third docking structure (9) have the same structure, and the first docking structure (7) and the third docking structure (9) are symmetrically arranged relative to the second docking structure (8); The second docking structure (8) includes a second copper sheet (15) and a second docking end seat (16), the rear end of the second docking end seat (16) is fixed to the second copper sheet (15), and the second copper sheet (15) is provided with a second adapting groove (13) and a third adapting groove (14), the second adapting groove (13), the third adapting groove (14) and the first adapting groove (11) are all L-shaped groove structures, and the second adapting groove (13) and the third adapting groove (14) are symmetrically arranged; The position-limiting docking structure (6) comprises a fastening seat (17) and a fixing frame (18), the fastening seat (17) is fixedly connected to the fixing frame (18), and the fixing frame (18) is elastically and telescopically connected to a position-limiting component (20); The limiting component (20) includes a matching telescopic mechanism (27), on which a first adapting card frame (24), a fixed limiting sleeve (25) and a second adapting card frame (26) are provided. The first adapting card frame (24) and the second adapting card frame (26) are adjusted following the matching telescopic mechanism (27). The fixed limiting sleeve (25) is fixed on the fixed frame (18). The matching telescopic mechanism (27) is telescopically adjusted relative to the fixed limiting sleeve (25). The side end of the matching telescopic mechanism (27) is connected to the connecting rod (22) in a limiting manner. The side end of the connecting rod (22) is connected to the pressing end frame (21) in a limiting manner. The pressing end frame (21) is elastically connected to a spring telescopic rod (23).

2. A three-phase copper busbar assembly according to claim 1, characterized in that: The matching telescopic mechanism (27) comprises a central limiting seat (30) and a fixed sleeve (31); the inner cavity of the fixed sleeve (31) is fixedly connected to the central limiting seat (30); the side end of the central limiting seat (30) is telescopically connected to a spring connecting rod (29); the side end of the spring connecting rod (29) is limitedly connected to the telescopic connecting rod (28); the telescopic connecting rod (28) and the spring connecting rod (29) are elastically telescopically adjusted on the central limiting seat (30) and the fixed sleeve (31).

3. The three-phase copper busbar assembly according to claim 2, characterized in that: The fastening seat (17) is provided with a support block (32), a track rod (36) is fixedly provided on the side end of the support block (32), a spring (33) is provided on one side of the track rod (36) located on the support block (32), a position-limiting fixed bracket (34) elastically expands and contracts on the spring (33), and the position-limiting fixed bracket (34) is slidably adjusted on the track rod (36), and a pressing control block (35) is fixedly connected to the lower end of the position-limiting fixed bracket (34).

4. The three-phase copper busbar assembly according to claim 3, characterized in that: The position-limiting fixed bracket (34) is position-limited and fixed to the lower end of the rear shell (2); by pressing the pressing control block (35), the position of the position-limiting fixed bracket (34) can be changed, so that the position-limiting fixed bracket (34) is adaptively connected to the preset groove body at the lower end of the rear shell (2).

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