CN114649756B

CN114649756B - Power distribution cabinet element installation wiring structure

Info

Publication number: CN114649756B
Application number: CN202210517144.9A
Authority: CN
Inventors: 陈雷; 王雷; 张子健
Original assignee: Jiangsu Zhuoyue Electric Power Technology Co ltd
Current assignee: Jiangsu Zhuoyue Electric Power Technology Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-08-02
Anticipated expiration: 2042-05-13
Also published as: CN114649756A

Abstract

The invention discloses a power distribution cabinet element installation and wiring structure, which belongs to the technical field of power distribution cabinets and comprises a power distribution cabinet body, wherein the power distribution cabinet body is provided with a vertically arranged back plate, an element assembling rail is assembled on the back plate, an element positioning and wiring tool is slidably installed on the element assembling rail, a station is provided for the installation of an element through the element assembling rail, the element positioning and wiring tool driven along the element assembling rail is pushed, an assembly wire arranging mechanism assembly moves in a reciprocating mode while pushing the element, a channel on the periphery of a rotating ring can be replaced by the rotation of the rotating ring, so that a wire clamp wire arranged in the channel is embedded into a soft cushion layer attached to a track main body, the installation of the element assembling rail on the back plate adopts a screw limiting mode, the arrangement modes are various, and the installation requirements of elements at different positions are met. This switch board component mount wiring structure is convenient for realize the spacing reason line of electrical component assembly while, is convenient for promote the installation effectiveness.

Description

Power distribution cabinet element installation wiring structure

Technical Field

The invention belongs to the technical field of power distribution cabinets, and particularly relates to a power distribution cabinet element installation wiring structure.

Background

The installation of electric elements in the existing power distribution cabinet adopts a sliding rail assembly limiting mode, and after the electric elements are installed in a sliding mode after wiring, lines of the electric elements are combed, and generally a binding belt is adopted for limiting. The operation is complicated, the installation efficiency is low, and the circuit arrangement cannot be conveniently realized.

Therefore, a power distribution cabinet element installation wiring structure is provided to solve the problems.

Disclosure of Invention

The invention aims to solve the technical problems and provides a power distribution cabinet element mounting and wiring structure.

In order to achieve the purpose, the invention adopts the following technical scheme:

a power distribution cabinet element installation and wiring structure comprises a power distribution cabinet body, wherein the power distribution cabinet body is provided with a vertically arranged back plate, an element assembly rail is assembled on the back plate, the element assembly rail comprises a rail main body, the middle of the rail main body is provided with an arc-shaped curved surface, and an insulated soft cushion layer is attached to the rail main body;

slidable mounting has component location wiring frock on the component assembly rail, component location wiring frock includes the locating rack, one side that component assembly rail was kept away from to the locating rack is provided with push mechanism, the embedded motor that is equipped with of locating rack, and the assembly the transmission cavity has been seted up to the position side of motor, the output shaft of motor extends to the locating rack below, and the output shaft tip is equipped with driving gear and initiative chute tooth, install the cam assembly in the transmission cavity, just the cam assembly with the initiative chute tooth passes through the cooperation of universal driving shaft spare, install guide shaft and the cam assembly realization reciprocating motion's of cooperation rotation state reason line mechanism assembly in the transmission cavity, reason line mechanism assembly reciprocating motion's direction with the axis direction of guide shaft is unanimous, reason line mechanism assembly include the slide, construct in the extension of slide one side, Sliding fit the sliding sleeve and the rotation of guiding axle install in swivel on the extension, the cooperation of the inner fringe face meshing of swivel has driven gear, driven gear's axostylus axostyle and extension normal running fit to extend to extension below, driven gear extends to the tip swivelling joint of extension below and has the rocking arm, the rocking arm is kept away from driven gear goes up the one end of axostylus axostyle and slides and assemble in the periphery of cam assembly, the periphery of swivel is the annular array and has seted up a plurality of vertical channels, and is equipped with the ply-yarn drill that is used for spacing circuit in the channel.

As a further preferred scheme, the element assembling rail further comprises element buckling bends configured at two ends of the rail main body and bent towards the direction of the arc-shaped curved surface, and a group of wheel carriers symmetrically arranged at positions of the rail main body close to the element buckling bends.

As a further preferable scheme, one side of the positioning frame is provided with a wheel plate which is matched with the wheel carrier to carry and slide, one side of the positioning frame facing the track main body is configured to be an inclined surface matched with the track main body, the inclined surface is provided with an abutting wheel which rolls on the track main body, and the inclined surface is provided with a sealing cover which is matched with the inclined surface of the positioning frame and used for limiting the upper shaft rod structure of the abutting wheel in a mold closing state.

As a further preferable scheme, a protruding shaft is constructed at the position where the positioning frame is matched with the pushing mechanism, the pushing mechanism comprises a pushing frame and two groups of limiting retaining rings of the limiting pushing frame, the pushing frame is rotatably connected with the protruding shaft, and the limiting retaining rings are coaxial with the motor and rotatably and slidably mounted in the positioning frame.

As a further preferable scheme, a transmission tooth groove engaged with the driving gear is formed in the middle of the rail main body, a stabilizing groove is formed in the center of the outer edge surface of the driving gear, and a stabilizing convex rib matched with the stabilizing groove is formed in the center of the transmission tooth groove.

As a further preferred scheme, the universal driving shaft piece comprises a transmission shaft, the transmission shaft is matched with the positioning frame in a rotating connection mode, the end portion of the transmission shaft is provided with a driven bevel gear meshed with the driving bevel gear, the top end of the transmission shaft extends into the transmission cavity, and the end portion of the transmission shaft extending into the transmission cavity is matched with the cam assembly in an inserted connection mode.

As a further preferred scheme, the end of the guide shaft is provided with a thread and is fixed in the transmission cavity through the thread of the end, a limiting disc is arranged on the periphery of the guide shaft far away from the thread end, a return spring is sleeved on the rod body of the guide shaft facing the thread end of the limiting disc, and the other end of the return spring abuts against the sliding sleeve.

As a further preferable scheme, the cam assembly comprises an upper cam die and a lower cam die which are closed in a two-lobe manner, and a slide way for sliding the end of the rocker arm is arranged at the closing position of the upper cam die and the lower cam die.

As a further preferable scheme, an assembly shaft is configured on the upper end face of the extension portion, a connection framework is arranged in the rotating ring, a ring sleeve is arranged at the center of the connection framework, the ring sleeve is sleeved on the periphery of the assembly shaft, an annular tooth groove is configured at the bottom end of the inner edge face of the rotating ring, and the driven gear is driven to rotate around the axis of the assembly shaft.

To sum up, this switch board and the component location reason line mechanism of looks adaptation have following technological effect and advantage:

the device comprises a positioning frame, a driving bevel gear transmission shaft, a cam assembly, a driven gear, a rotating ring, a soft cushion layer, a wire clamp wire pressing wire, a wire arranging mechanism assembly, a wire guiding wire and a wire guiding wire, wherein the positioning frame is arranged in the positioning frame;

the installation of component assembly rail on the backplate adopts the spacing mode of screw, its arrangement is various, satisfy the installation demand of different position components, the user can formulate the interval as required, and through the wheel carrier that the symmetry set up in the track main part, the cooperation can be rotatory around the protruding axle and by the spacing propelling movement frame of spacing buckle, can realize the holistic switching-over of locating rack and use, the wheel plate can cooperate the arbitrary wheel carrier realization of track main part top or below along the removal of component assembly rail, and carry out foretell wiring work simultaneously, make component assembly rail can assemble four electrical components at least from the direction of difference about, satisfy the complicated installation environment in the cabinet, and can increase constructor assembly scheme's variety.

Drawings

FIG. 1 is a schematic structural diagram of a power distribution cabinet according to the present invention;

FIG. 2 is a schematic structural view of a positioning and wiring tool for a component assembly rail and a component according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural view of a component positioning and wiring tool according to the present invention;

FIG. 5 is a longitudinal sectional view of the component positioning and routing tool of the present invention;

FIG. 6 is a schematic view of a cam assembly according to the present invention;

FIG. 7 is a schematic structural view of the wire management mechanism assembly of the present invention;

FIG. 8 is an enlarged schematic view of the structure at B in FIG. 5;

fig. 9 is an enlarged schematic view of the structure at C in fig. 5.

In the figure: 1. a power distribution cabinet body; 2. a back plate; 3. a component mounting rail; 301. a rail body; 302. buckling and bending the elements; 303. a wheel carrier; 304. a drive tooth slot; 30401. stabilizing the bead; 4. an element positioning and wiring tool; 401. a positioning frame; 40101. a protruding shaft; 402. a wheel plate; 403. a motor; 404. a driving gear; 40401. a stabilizing slot; 405. driving bevel gears; 406. a drive shaft; 40601. driven bevel gears; 407. sealing the cover; 40701. connecting lugs; 408. a pushing frame; 409. a limit retaining ring; 40901. an annular chute; 410. a butting wheel; 411. a guide shaft; 41101. a return spring; 5. a cam assembly; 501. an upper cam die; 50101. a roller groove; 502. a cam lower die; 503. a slideway; 6. a wire arrangement mechanism assembly; 601. a slide plate; 60101. an extension portion; 60102. assembling a shaft; 60103. a groove; 602. a sliding sleeve; 603. rotating the ring; 60301. connecting the framework; 60302. an annular tooth space; 604. a driven gear; 60401. a rocker arm; 605. a line card; 606. a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, a switch board component mounting and wiring structure, including the switch board body 1, the switch board body 1 has the backplate 2 of vertical setting, wherein, be equipped with component assembly rail 3 on the backplate 2, component assembly rail 3 is used for the sliding fit of electrical component, the mounting means of component assembly rail 3 is not limited to the equidistance arrangement mode as shown in the figure, its length is also not limited to the length of same specification in the figure, consequently in the actual implementation process, its installation on backplate 2 adopts the screw spacing, and the mode of arranging, interval and angle should be diversified, according to user's demand.

Referring to fig. 2 and 3, the component mounting rail 3 includes a rail main body 301 having an arc-shaped curved surface formed at the center thereof, and an insulating soft cushion layer, optionally but not limited to a rubber layer, is attached to the rail main body 301. The element mounting rail 3 further includes element buckling bends 302 formed at two ends of the rail main body 301 and bent toward the arc-shaped curved surface, and a set of wheel frames 303 symmetrically disposed at positions of the rail main body 301 close to the element buckling bends 302. The element buckling bends 302 at the two ends of the rail main body 301 are in sliding fit with the electrical element installed in the element assembling rail 3, and the back of the electrical element needs to be provided with a sliding groove adapted to the element buckling bends 302 at the two sides.

And a component positioning and wiring tool 4 is arranged on the component assembling rail 3 in a sliding way.

Referring to fig. 3, 4 and 5, the component positioning and routing tooling 4 includes a positioning frame 401, one side of the positioning frame 401 is provided with a wheel plate 402 which is matched with the wheel frame 303 to mount and slide, and a roller arranged on the wheel plate 402 slides in the matched wheel frame 303.

The positioning frame 401 is configured to be an inclined plane adapted to the rail main body 301 toward one side of the rail main body 301, the inclined plane is provided with an abutting wheel 410 rolling on the rail main body 301, the abutting wheel 410 is arranged to maintain the stability of the positioning frame 401 in the moving process, and the inclined plane is provided with a sealing cover 407 which is in a shaft rod structure and is lower in the inclined plane die-closing state with the positioning frame 401 and is in a limiting abutting wheel 410.

The side of the positioning frame 401 far away from the component mounting rail 3 is provided with a pushing mechanism, a convex shaft 40101 is constructed at the position of the positioning frame 401 matched with the pushing mechanism, the pushing mechanism comprises a pushing frame 408 and two groups of limiting snap rings 409 of the limiting pushing frame 408, the pushing frame 408 is constructed in a structure similar to an angle iron and is provided with a plane facing one side of an electrical component, the pushing frame 408 is rotatably connected with the convex shaft 40101 through a bearing, the limiting snap rings 409 are coaxial with the motor 403 and are rotatably and slidably mounted in the positioning frame 401, the mounting positions of the limiting snap rings 409 are arranged on the positioning frame 401 and are provided with annular slide ways 40901, the end parts of the limiting snap rings 409 are in a limiting state on the pushing frame 408 when abutting against the edge of the pushing frame 408, and the limiting of the limiting snap rings 409 are realized by the matching of a built-in ratchet and a direction-changeable ratchet wheel (not shown in the figure).

Motor 403 is embedded in locating rack 401, and the position side of assembling motor 403 has seted up the transmission cavity, the output shaft of motor 403 extends to locating rack 401 below, and the output shaft tip is equipped with driving gear 404 and initiative bevel pinion 405, the middle part of track main part 301 is constructed with the transmission tooth's socket 304 of meshing driving gear 404, stable groove 40401 has been seted up in the middle of the outer fringe face of driving gear 404, it has stable groove 40401 to construct the stable bead 30401 of adaptation stable groove 40401 to center on the transmission tooth's socket 304, when motor 403 drive driving gear 404 is rotatory, driving gear 404 will mesh transmission tooth's socket 304 on the track main part 301 and realize the transmission displacement.

Referring to fig. 4, 5 and 6, a cam assembly 5 is installed in the transmission cavity, the cam assembly 5 is matched with the driving bevel gear 405 through a linkage shaft part, the linkage shaft part comprises a transmission shaft 406, the transmission shaft 406 is matched with the positioning frame 401 through rotary connection of bearings arranged at two ends, a driven bevel gear 40601 meshed with the driving bevel gear 405 is assembled at the end of the transmission shaft 406, the top end of the transmission shaft 406 extends into the transmission cavity, and the end of the transmission shaft 406 extending into the transmission cavity is matched with the cam assembly 5 in an inserting manner.

The transmission cavity is internally provided with a guide shaft 411 and a wire arranging mechanism assembly 6 which is matched with the cam assembly 5 in a rotating state to realize reciprocating motion, the wire arranging mechanism assembly 6 comprises a sliding plate 601, an extension part 60101 constructed at one side of the sliding plate 601, a sliding sleeve 602 in sliding fit with the guide shaft 411 and a rotating ring 603 rotatably arranged on the extension part 60101, the inner edge surface of the rotating ring 603 is engaged and matched with a driven gear 604, the shaft lever of the driven gear 604 is in rotating fit with the extension part 60101 through a bearing, the cam assembly 5 comprises an upper cam die 501 and a lower cam die 502 which are closed in a two-lobe mode, wherein the upper cam die 501 and the lower cam die 502 are closed in the upper and lower modes, and a slide way 503 for sliding the end part of the rocker arm 60401 is arranged at the closing position of the upper cam die 501 and the lower cam die 502.

Referring to fig. 7, the mounting position of the rocker arm 60401 is located below the sliding plate 601, and a groove 60103 is formed to ensure normal transmission of the rocker arm 60401.

Referring to fig. 6, 8 and 9, a side of the sliding plate 601 facing the upper cam die 501 is configured with a cambered surface, a roller 606 is embedded on the cambered surface, the roller 606 is arranged to reduce friction resistance when the upper cam die 501 rotates, and a roller slot 50101 matched with the roller 606 is also formed on the periphery of the upper cam die 501.

The periphery of the swivel 603 is provided with a plurality of vertical channels in an annular array, and the channels are internally provided with line cards 605 for limiting lines.

Referring to fig. 5 and 8, the reciprocating direction of the wire arranging mechanism assembly 6 is consistent with the axial direction of the guide shaft 411, the end of the guide shaft 411 is provided with a thread and is screwed and fixed in the transmission cavity through the thread of the end, and the end of the guide shaft 411 far away from the thread is clamped and limited through a connecting lug 40701 arranged on the cover 407. A limiting disc is formed on the periphery of the guide shaft 411 far away from the threaded end, a return spring 41101 is sleeved on a rod body of the limiting disc facing the guide shaft 411 of the threaded end, the other end of the return spring 41101 abuts against the sliding sleeve 602, when the cam assembly 5 rotates, the pushing and wire arranging mechanism assembly 6 reciprocates due to the eccentric structure, and the return spring 41101 is used for pushing out the wire arranging mechanism assembly 6 and then driving the wire arranging mechanism assembly 6 to reset, and always keeping the wire arranging mechanism assembly 6 to have pressure towards the direction of the cam assembly 5.

Referring to fig. 7 and 9, an assembly shaft 60102 is configured on an upper end surface of the extension portion 60101, a connection frame 60301 is disposed in the rotation ring 603, a ring sleeve is disposed at a center of the connection frame 60301, the ring sleeve is disposed on a periphery of the assembly shaft 60102, and an annular tooth groove 60302 is configured at a bottom end of an inner edge surface of the rotation ring 603, and is driven by the driven gear 604 to rotate around an axis of the assembly shaft 60102. When the rocker arm 60401 drives the driven gear 604 to rotate due to the eccentric rotation of the cam assembly 5, the driven gear 604 is engaged with the annular tooth socket 60302 of the rotary ring 603, so that the annular tooth socket 60302 rotates, that is, when the wire arranging mechanism assembly 6 is pushed to the direction of the track main body 301 as a whole, the rotary ring 603 rotates, so that the wire clip 605 is driven into the soft cushion layer of the track main body 301, the circuit of the electrical element is clamped and limited, the soft cushion layer can clamp the wire clip 605 stably, and the wire clip 605 can be detached conveniently when the element needs to be repaired.

The working principle is as follows: during the use, only need with component assembly rail 3 through fix with screw on backplate 2, the power cord of reconnection electric elements, buckle 302 the cooperation with the component lock of track main part 301, carry component location wiring frock 4 this moment for in the gyro wheel embedding wheel carrier 303 on the wheel board 402, and keep the circuit of electric elements and change 603 position and flush basically, starter motor 403, two kinds of technological effects are brought in the rotation of output shaft:

firstly, the driving gear 404 is driven, and the driving gear 404 is meshed with the driving tooth groove 304 to realize the displacement of the whole element positioning and wiring tool 4 along the extending direction of the element assembling rail 3;

secondly, the driving bevel gear 405 is driven, the driving bevel gear 405 drives the transmission shaft 406 to rotate the cam assembly 5, when the cam assembly 5 rotates, the pushing and wire arranging mechanism assembly 6 reciprocates due to the eccentric structure of the cam assembly, and the rocker arm 60401 drives the driven gear 604 to rotate while reciprocating, the driven gear 604 engages with the annular tooth groove 60302 of the rotating ring 603, so that the annular tooth groove 60302 rotates, namely when the wire arranging mechanism assembly 6 is integrally pushed to the direction of the track main body 301, the rotating ring 603 rotates to enable the wire clamp 605 to be nailed into the soft cushion layer of the track main body 301, and the circuit of the electrical element is clamped and limited.

After one electric element is installed, the direction of the element positioning and wiring tool 4 can be rotated, the ratchet wheel is adjusted to enable the limiting retaining ring 409 to rotate, the pushing frame 408 is not limited any more, the ratchet wheel is adjusted to enable the limiting retaining ring 409 to rotate to the other side after the pushing frame 408 is turned over for 180 degrees, the limiting of the pushing frame 408 is achieved, at the moment, the element positioning and wiring tool 4 can be embedded into the wheel frame 303 below the track main body 301 through the roller on the wheel plate 402, and the installation of a second electric element is achieved. The mounting of the electrical components can be performed twice from the other direction of the component mounting rail 3.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A power distribution cabinet element installation and wiring structure comprises a power distribution cabinet body (1), wherein the power distribution cabinet body (1) is provided with a vertically arranged back plate (2), and the power distribution cabinet element installation and wiring structure is characterized in that an element assembling rail (3) is assembled on the back plate (2), the element assembling rail (3) comprises a track main body (301) with an arc-shaped curved surface in the middle, and an insulating soft cushion layer is attached to the track main body (301);

the wire arranging mechanism is characterized in that an element positioning and wiring tool (4) is slidably mounted on the element assembling rail (3), the element positioning and wiring tool (4) comprises a positioning frame (401), a pushing mechanism is arranged on one side, away from the element assembling rail (3), of the positioning frame (401), a motor (403) is embedded into the positioning frame (401), a transmission cavity is formed in the position side face of the motor (403), an output shaft of the motor (403) extends to the lower portion of the positioning frame (401), a driving gear (404) and a driving bevel gear (405) are assembled at the end portion of the output shaft, a cam assembly (5) is mounted in the transmission cavity, the cam assembly (5) is matched with the driving bevel gear (405) through a linkage shaft piece, a guide shaft (411) and a wire arranging mechanism assembly (6) which is matched with the cam assembly (5) in a rotating state to realize reciprocating motion are mounted in the transmission cavity, the reciprocating motion direction of the wire arranging mechanism assembly (6) is consistent with the axial direction of the guide shaft (411), the wire arranging mechanism assembly (6) comprises a sliding plate (601), an extending part (60101) constructed on one side of the sliding plate (601), a sliding sleeve (602) in sliding fit with the guide shaft (411) and a rotating ring (603) rotatably installed on the extending part (60101), a driven gear (604) is engaged and matched with the inner edge surface of the rotating ring (603), a shaft rod of the driven gear (604) is in rotating fit with the extending part (60101) and extends to the lower part of the extending part (60101), a rocker arm (60401) is rotatably connected to the end part of the driven gear (60101) extending to the lower part of the extending part (60101), one end of the rocker arm (60401) far away from the shaft rod on the driven gear (604) is slidably assembled on the periphery of the cam assembly (5), and a plurality of vertical channels are formed in an annular array on the periphery of the rotating ring (603), and line cards (605) for limiting the lines are fitted in the channels.

2. The component mounting and wiring structure of the power distribution cabinet according to claim 1, wherein the component mounting rail (3) further comprises component buckling bends (302) which are configured at two ends of the rail main body (301) and bend towards the direction of the arc-shaped curved surface, and a set of wheel carriers (303) symmetrically arranged at the positions of the rail main body (301) close to the component buckling bends (302).

3. A distribution cabinet component mounting and wiring structure according to claim 2, wherein one side of the positioning frame (401) is provided with a wheel plate (402) which is matched with the wheel carrier (303) to carry and slide, and one side of the positioning frame (401) facing the track main body (301) is configured to be an inclined surface matched with the track main body (301), the inclined surface is provided with a butting wheel (410) rolling on the track main body (301), and the inclined surface is provided with a sealing cover (407) which is matched with the inclined surface of the positioning frame (401) and used for limiting the shaft rod structure on the butting wheel (410) in a state of being matched with the inclined surface.

4. A switch board component mounting and wiring structure according to claim 1, wherein the position of the positioning frame (401) matching with the pushing mechanism is configured with a protruding shaft (40101), the pushing mechanism comprises a pushing frame (408) and two sets of limit retaining rings (409) for limiting the pushing frame (408), the pushing frame (408) is rotatably connected with the protruding shaft (40101), the limit retaining rings (409) are coaxial with the motor (403), and are rotatably and slidably mounted in the positioning frame (401).

5. The power distribution cabinet component mounting and wiring structure as claimed in claim 1, wherein a transmission tooth slot (304) engaged with the driving gear (404) is formed in the middle of the rail main body (301), a stabilizing groove (40401) is formed in the center of the outer edge surface of the driving gear (404), and a stabilizing rib (30401) matched with the stabilizing groove (40401) is formed in the center of the transmission tooth slot (304).

6. A switch board component mounting and wiring structure according to claim 1, wherein the linkage shaft member comprises a transmission shaft (406), the transmission shaft (406) is rotatably connected and matched with the positioning frame (401), the end of the transmission shaft (406) is provided with a driven umbrella tooth (40601) engaged with the driving umbrella tooth (405), the top end of the transmission shaft (406) extends into the transmission cavity, and the end of the transmission shaft (406) extending into the transmission cavity is plugged and matched with the cam assembly (5).

7. The power distribution cabinet component mounting and wiring structure according to claim 1, wherein the end of the guide shaft (411) is configured with a thread and is fixed in the transmission cavity through the thread of the end, a limiting disc is configured on the periphery of the guide shaft (411) far away from the thread end, a rod body of the guide shaft (411) facing the thread end of the limiting disc is sleeved with a return spring (41101), and the other end of the return spring (41101) abuts against the sliding sleeve (602).

8. The power distribution cabinet component mounting and wiring structure according to claim 1, wherein the cam assembly (5) comprises an upper cam mold (501) and a lower cam mold (502) which are closed in a two-piece manner, and the closing positions of the upper cam mold (501) and the lower cam mold (502) are provided with a slide way (503) for sliding the end of the rocker arm (60401).

9. A component mounting and wiring structure of a power distribution cabinet according to claim 1, wherein an upper end face of said extending portion (60101) is configured with a mounting shaft (60102), a connecting frame (60301) is disposed in said rotating ring (603), a ring sleeve is disposed at the center of said connecting frame (60301), said ring sleeve is disposed at the periphery of said mounting shaft (60102), an annular slot (60302) is configured at the bottom end of the inner edge face of said rotating ring (603), and said driven gear (604) is driven to rotate around the axis of said mounting shaft (60102).