High-voltage enclosed bus breaking structure

By designing traction and protection mechanisms, the problems of space occupation and accidental contact during maintenance of high-voltage enclosed busbar disconnection structures have been solved, enabling stable and convenient maintenance of electrical components and busbars, and improving operational safety and efficiency.

CN224233140UActive Publication Date: 2026-05-12SHENZHEN ANFU ELECTRIC POWER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN ANFU ELECTRIC POWER CO LTD
Filing Date
2025-05-28
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

The existing high-voltage enclosed busbar disconnection structure is inconvenient to maintain during maintenance due to the space occupied inside the cabinet and the single ejection mechanism, especially the inability to reliably eject electrical components at the four corners.

Method used

A traction mechanism was designed, including a take-up shaft and a winding shaft. The motor drives the pull rope to move the T-shaped slider along the track, so as to simultaneously pull the four corners of the carrier shell, which facilitates the removal of electrical components and busbars from the main body. A protective mechanism is also provided to prevent accidental activation of the knobs.

Benefits of technology

It enables stable and convenient maintenance of electrical components and busbars, avoids occupying space inside the main body, improves maintenance efficiency, and prevents accidental contact through protective mechanisms, ensuring the safety of disconnection operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bus breaking structures, in particular to a high-voltage closed bus breaking structure, which comprises a main body, a cabinet door is connected to a position, close to one side, of the surface of the front end of the main body through a hinge, a bearing shell is movably mounted in the main body, and a plurality of first electrical elements and second electrical elements are mounted in the bearing shell. According to the utility model, through the arrangement of the traction mechanism, the electrical elements I, the bus bodies and the electrical elements II which need to be overhauled and maintained can be conveniently moved out of the main body, and the movement mode is that four corners of the bearing shell are pulled at the same time, so that the electrical elements I, the bus bodies and the electrical elements II need to be overhauled and maintained. The traction mechanism is arranged on the outer wall of the main body to avoid occupying the internal space of the main body, and the protection mechanism is arranged to shield and protect the knob to avoid mistaken touch and influence on the breaking operation of the high-voltage enclosed bus.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bus disconnecting structure technical field, concretely is a high voltage enclosed bus disconnecting structure. BACKGROUND

[0002] The high voltage enclosed bus disconnecting structure is the structure for disconnecting control of multiple high voltage enclosed bus connecting systems, multiple electrical elements are arranged in the structure, the electrical elements include circuit breaker etc., the disconnecting control of multiple high voltage enclosed buses is realized, the structure is usually used in large power system or occasions needing high reliability and flexibility, and the enclosed bus is mainly used for transmitting electric energy and has the ability of collecting and distributing electric power.

[0003] In the prior art, a bus disconnecting cabinet is disclosed in patent application No. CN201020283154.3, the three-phase inlet bus, three-position disconnecting switch, three-phase terminal bus and connecting piece connecting the three-position disconnecting switch and the terminal three-phase bus are all enclosed in the epoxy resin insulation layer, and they are connected by plug-in connection, which solves the problems of large volume of the bus disconnecting cabinet and safety of sulfur hexafluoride gas, and has the characteristics of convenient installation and maintenance.

[0004] In the prior art, in order to maintain the bus disconnecting structure, an automatic pushing mechanism such as an electric push rod is usually installed in the cabinet of the structure to drive the mounting plate of each electrical element and bus to move out of the cabinet, but the pushing mechanism is usually arranged in the cabinet, which occupies the space in the cabinet, and only one set of pushing mechanism is usually arranged, so that the mounting plate cannot be stably pushed out from four corners, and the maintenance operation of the bus disconnecting structure is affected. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a high voltage enclosed bus disconnecting structure to solve the problems in the background art.

[0006] The utility model can be realized by the following technical scheme.

[0007] A high voltage enclosed bus disconnecting structure, comprising a main body, a cabinet door is connected to the main body by a hinge near one side of the front end surface of the main body, a bearing shell is movably installed in the main body, a plurality of electrical elements one and electrical elements two are installed in the bearing shell, a plurality of bus bodies are fixedly connected between the plurality of electrical elements one and electrical elements two, two traction mechanisms are arranged on the main body, a control panel is fixedly installed on the outer side wall of the cabinet door, a knob is installed on the outer side wall of the control panel, a protection mechanism is arranged on the outer side wall of the control panel and outside the knob, two rails are fixedly installed on the two inner side walls of the main body, a T-shaped sliding block is slidably connected in each of the four rails, and one end of the T-shaped sliding block is fixedly connected with the bearing shell.

[0008] The traction mechanism comprises two supporting plates I and two supporting plates II, and a winding shaft is rotatably connected between the two supporting plates I, and a winding shaft is rotatably connected between the two supporting plates II.

[0009] Preferably, the two supporting plates I are fixedly installed on the surface of the upper end of the bearing shell, and the two supporting plates II are fixedly installed on the back surface of the main body.

[0010] Preferably, the winding shaft is externally wound with two pull ropes I, and one end of the pull rope I is fixedly connected with the T-shaped slider through the main body and the track.

[0011] Preferably, the outer wall of the winding shaft is fixedly connected with two pull ropes II, and the two pull ropes II are fixedly connected with the T-shaped slider through the track at the end away from the winding shaft.

[0012] Preferably, the outer side walls of the supporting plates I and II are both provided with motors, and the output ends of the two motors are respectively connected with one end of the winding shaft and the winding shaft.

[0013] Preferably, the protection mechanism comprises a protection shell fixedly installed on the outer wall of the control panel, a rotating shaft rotatably connected to the inner top end of the protection shell, and a flip cover fixedly connected to the outer wall of the rotating shaft and located inside the protection shell.

[0014] Preferably, the outer side wall of the protection shell is fixedly connected with an L-shaped fixed plate, the inner side wall of the L-shaped fixed plate is fixedly connected with an extension connecting rod, and one end of the extension connecting rod is fixedly connected with a fixed rod.

[0015] One end of the rotating shaft is fixedly connected with a circular block, a plurality of fixing holes are formed in the outer side wall of the circular block, the fixing holes are matched with the fixed rod, and the extension connecting rod is externally sleeved with a reset spring.

[0016] The utility model discloses the beneficial effect of:

[0017] 1. In the utility model, two motors drive the winding shaft and the winding shaft to rotate at the same time, the winding shaft winds two pull ropes II, can pull two T-shaped sliders to move along the inside of two tracks respectively, and the other two T-shaped sliders move at the same time, drive the bearing shell to move to the outside of the main body, so that each electrical element I, the bus body and electrical element II are removed from the main body, at this time, the staff can overhaul each electrical element I, the bus body and electrical element II, avoid the inside space of the main body being narrow, lead to the operation of overhaul being limited, through the above operation, the bearing shell can be conveniently moved from the inside to the outside of the main body, drive each electrical element I, the bus body and electrical element II to be removed from the main body, and the moving mode is that four corners of the bearing shell are simultaneously pulled and driven, so that the movement is more stable, and the traction mechanism is arranged on the outer wall of the main body, avoiding occupying the inside space of the main body.

[0018] 2、The utility model discloses a rotating cover is closed in the protection shell through the rotation of the pivot, and the rotary knob is shielded and protected, avoids the mistaken touch, influences the breaking operation of high -voltage enclosed bus, and only needs to loosen the fixed link, under the action of reset spring resilience, can drive the one end of fixed link to reinsert in the fixed hole, and the position of pivot is fixed, thereby the position of the rotating cover is fixed. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings;

[0020] Figure 1 It is the overall structure schematic diagram of the utility model;

[0021] Figure 2 It is the structure schematic diagram of the main body and cabinet door in the utility model;

[0022] Figure 3 It is the local structure schematic diagram of the utility model;

[0023] Figure 4 It is the structure schematic diagram of the traction mechanism in the utility model;

[0024] Figure 5 It is the structure schematic diagram of control panel and rotary knob in the utility model;

[0025] Figure 6 It is the sectional view of protection shell in the utility model;

[0026] Figure 7 It is the structure schematic diagram of the utility model Figure 6 The enlarged view of A in the middle.

[0027] The reference signs in the drawing are as follows:

[0028] 1, main body;2, cabinet door;3, bearing shell;4, electrical element one;5, busbar body;6, electrical element two;7, track;8, T-shaped slider;9, branch plate one;10, winding shaft;11, branch plate two;12, winding shaft;13, pull rope one;14, pull rope two;15, control panel;16, pivot;17, circular block;18, L-shaped fixed plate;19, telescopic connecting rod;20, fixed link;21, rotating cover;22, protection shell;23, rotary knob. DETAILED DESCRIPTION

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0030] A high-voltage enclosed busbar breaking structure, such as Figures 1-7 As shown, the device includes a main body 1. A cabinet door 2 is hinged to one side of the front surface of the main body 1. A support shell 3 is movably installed inside the main body 1. Several electrical components 1 4 and 2 6 are installed inside the support shell 3. Several busbars 5 are fixedly connected between the electrical components 1 4 and 2 6. Two traction mechanisms are provided on the main body 1. A control panel 15 is fixedly installed on the outer wall of the cabinet door 2. A knob 23 is installed on the outer wall of the control panel 15. A protective mechanism is provided on the outer wall of the control panel 15 outside the knob 23. Two rails 7 are fixedly installed on both inner side walls of the main body 1. T-shaped sliders 8 are slidably connected inside the four rails 7. One end of the T-shaped slider 8 is fixedly connected to the support shell 3. The traction mechanism includes two support plates 1 9 and two support plates 2 11. A winding shaft 10 is rotatably connected between the two support plates 1 9. A winding shaft 12 is rotatably connected between the two support plates 2 11.

[0031] Two support plates 9 are fixedly installed on the upper surface of the bearing shell 3, and two support plates 11 are fixedly installed on the back of the main body 1. Two pull ropes 13 are wound around the outside of the winding shaft 12, and one end of the pull ropes 13 passes through the main body 1 and the track 7 and is fixedly connected to the T-shaped slider 8. The two T-shaped sliders 8 move along the inside of the two tracks 7 respectively, and similarly, the other two T-shaped sliders 8 move at the same time, which can drive the bearing shell 3 to move outward of the main body 1.

[0032] Two pull ropes 14 are fixedly connected to the outer wall of the take-up shaft 10, and the ends of the two pull ropes 14 away from the take-up shaft 10 pass through the track 7 and are fixedly connected to the T-shaped slider 8. Motors are installed on the outer walls of the support plate 11 and the support plate 21, and the output ends of the two motors are connected to the winding shaft 12 and one end of the take-up shaft 10. The model of the motor is GA25-370.

[0033] When in use, close the cabinet door 2 onto the main body 1, and control the various electrical components 4 and 6 inside the main body 1 by rotating the knob 23 in conjunction with the control panel 15, and disconnect the connection between the various busbars 5. This is existing technology and will not be described in detail.

[0034] When the various bus bodies 5, electrical elements one 4 and electrical elements two 6 in the main body 1 need to be overhauled and maintained, two motors on the support plate one 9 and the support plate two 11 can be used to rotate the winding shaft 10 and the winding shaft 12, so that the winding shaft 10 winds the two pull ropes two 14, and the two pull ropes one 13 are unwound from the winding shaft 12, which can pull the two T-shaped sliders 8 to move along the inside of the two rails 7, and the other two T-shaped sliders 8 are moved at the same time, which can drive the carrying shell 3 to move out of the main body 1, so that each electrical element one 4, bus body 5 and electrical element two 6 are removed from the main body 1. At this time, the staff can overhaul each electrical element one 4, bus body 5 and electrical element two 6, avoid the limited overhaul operation caused by the small space in the main body 1, through the above operation, the carrying shell 3 can be conveniently moved out of the main body 1, and each electrical element one 4, bus body 5 and electrical element two 6 are removed from the main body 1, and the moving mode is to simultaneously pull and drive the four corners of the carrying shell 3, so that the movement is more stable. The traction mechanism is arranged on the outer wall of the main body 1, avoiding occupying the space in the main body 1, and after the overhaul is completed, the motor is reversed to drive the carrying shell 3 and each electrical element one 4, bus body 5 and electrical element two 6 installed therein to reset.

[0035] As shown in Figure 2 , Figure 5 , Figure 6 and Figure 7 , the protection mechanism includes a protection shell 22, which is fixedly installed on the outer wall of the control panel 15, and a rotating shaft 16 is rotatably connected to the inner top end of the protection shell 22. The outer wall of the rotating shaft 16 is fixedly connected with a flip cover 21 located inside the protection shell 22. A rotary knob 23 is provided. After operation, the flip cover 21 is rotated by the rotating shaft 16 to close in the protection shell 22, and the knob 23 is shielded and protected.

[0036] The outer side wall of the protection shell 22 is fixedly connected with an L-shaped fixed plate 18, the inner side wall of the L-shaped fixed plate 18 is fixedly connected with an extension connecting rod 19, one end of the extension connecting rod 19 is fixedly connected with a fixed rod 20, one end of the rotating shaft 16 is fixedly connected with a circular block 17, a plurality of fixing holes are formed in the outer side wall of the circular block 17, and the fixing holes are matched with the fixed rod 20. The extension connecting rod 19 is externally sleeved with a reset spring. Under the action of the reset spring, one end of the fixed rod 20 is inserted into the corresponding fixing hole again, the position of the rotating shaft 16 is fixed, and the position of the flip cover 21 is fixed.

[0037] Specific, control panel 15 output and each electrical element a 4 and electrical element two 6 input electrical connection, knob 23 output and control panel 15 input electrical connection, by rotating knob 23, can control control panel 15, thereby controlling each electrical element a 4 and electrical element two 6, this is the prior art, do not repeat, in rotating knob 23, after completing the control, can be through the shaft 16 rotation cover 21 make cover 21 close in the protective shell 22, cover 23 for shielding, avoid the occurrence of mis touch, influence on the high voltage enclosed busbar breaking operation, and before rotating cover 21, need to remove the fixed on the shaft 16, just need to move the fixed rod 20 away from the direction of the circular block 17, so that the telescopic connecting rod 19 shrink, reset spring is extruded shrink, so that the fixed rod 20 from the fixed hole out, can remove the fixed on the circular block 17, thereby removing the fixed on the shaft 16, after the subsequent cover 21 closed, just need to loosen the fixed rod 20, under the action of the reset spring resilience, can drive the fixed rod 20 one end reinserted in the corresponding fixed hole, the position of the shaft 16 is fixed, thereby fixing the position of the cover 21.

[0038] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A high-voltage enclosed busbar splitting structure, comprising a main body (1), characterized in that, The front surface of the main body (1) is connected to a cabinet door (2) by a hinge near one side. A bearing shell (3) is movably installed inside the main body (1). Several electrical components one (4) and two electrical components two (6) are installed inside the bearing shell (3). Several busbars (5) are fixedly connected between the several electrical components one (4) and two electrical components two (6). Two traction mechanisms are provided on the main body (1). A control panel (15) is fixedly installed on the outer wall of the cabinet door (2). A knob (23) is installed on the outer wall of the control panel (15). A protective mechanism is provided on the outer wall of the control panel (15) and located outside the knob (23). Two tracks (7) are fixedly installed on both inner walls of the main body (1). T-shaped sliders (8) are slidably connected inside the four tracks (7). One end of the T-shaped sliders (8) is fixedly connected to the bearing shell (3). The traction mechanism includes two support plates (9) and two support plates (11), with a winding shaft (10) rotatably connected between the two support plates (9) and a winding shaft (12) rotatably connected between the two support plates (11).

2. The high-voltage enclosed busbar splitting structure according to claim 1, characterized in that, Both of the first support plates (9) are fixedly installed on the upper surface of the bearing shell (3), and both of the second support plates (11) are fixedly installed on the back of the main body (1).

3. The high-voltage enclosed busbar splitting structure according to claim 2, characterized in that, Two pull ropes (13) are wound around the outside of the winding shaft (12), and one end of the pull rope (13) passes through the main body (1) and the track (7) and is fixedly connected to the T-shaped slider (8).

4. The high-voltage enclosed busbar splitting structure according to claim 2, characterized in that, Two pull ropes (14) are fixedly connected to the outer wall of the take-up shaft (10), and the ends of the two pull ropes (14) away from the take-up shaft (10) pass through the track (7) and are fixedly connected to the T-shaped slider (8).

5. A high-voltage enclosed busbar splitting structure according to claim 1, characterized in that, Both the outer walls of the support plate one (9) and the support plate two (11) are equipped with motors, and the output ends of the two motors and the winding shaft (12) are connected to one end of the take-up shaft (10).

6. The high-voltage enclosed busbar splitting structure according to claim 1, characterized in that, The protective mechanism includes a protective shell (22), which is fixedly installed on the outer wall of the control panel (15). A rotating shaft (16) is rotatably connected to the top of the inner part of the protective shell (22), and a flip cover (21) is fixedly connected to the outer wall of the rotating shaft (16) and located inside the protective shell (22).

7. A high-voltage enclosed busbar splitting structure according to claim 6, characterized in that, An L-shaped fixing plate (18) is fixedly connected to the outer wall of the protective shell (22), and a telescopic connecting rod (19) is fixedly connected to the inner wall of the L-shaped fixing plate (18). A fixing rod (20) is fixedly connected to one end of the telescopic connecting rod (19). One end of the rotating shaft (16) is fixedly connected to a circular block (17). The outer wall of the circular block (17) has several fixing holes, and the fixing holes are matched with the fixing rod (20). The telescopic connecting rod (19) is fitted with a return spring.