Power-assisted interlocking operating mechanism for 10kV high voltage
By designing a power-assisted chain operating mechanism in a 10kV high-voltage cabinet, using the meshing of the fan-shaped tooth plate and the gear groove and the motor assist, combined with the positioning groove structure of the return spring and steel ball, the safety hazards of mis-dividing the grounding structure during the maintenance of the high-voltage cabinet are solved. Problem, achieving higher operational security.
Patent Information
- Application Number
- CN202420929277.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-30
AI Technical Summary
During the maintenance process, 10kV high-voltage cabinets are prone to mis-dividing grounding structures, which pose safety hazards and affect operational safety.
A power-assisted chain operating mechanism is designed, including a housing, a linkage mechanism and a manual assembly, and the locking function is achieved through the meshing of the sector-shaped tooth plate and the gear groove and the motor assist, combining the positioning groove structure of the return spring and the steel ball to avoid misoperation.
It effectively avoids misoperation, improves operation safety, prevents the occurrence of misleading grounding structures, and enhances the safety of the maintenance process.
Smart Images
Figure CN222354982U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of high-voltage cabinets, in particular to a 10kV high-voltage belt-assisted interlocking operating mechanism. Background Art
[0002] The rear door of a 10kV high-voltage cabinet is generally a fixed closed structure. To facilitate maintenance, some rear doors or rear door panels of high-voltage cabinets are now designed to be openable and movable. However, during the maintenance of the high-voltage cabinet, the grounding structure may be misclassified, which leads to safety hazards in the detection process and affects operational safety. Utility Model Content
[0003] In order to solve the problem of potential safety hazards caused by the easily misclassified grounding structure, the utility model aims to provide a 10kV high voltage belt-assisted interlocking operating mechanism.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: a 10kV high voltage belt-assisted interlocking operating mechanism, comprising a shell and a grounding wire, a interlocking mechanism is arranged inside the shell, and a manual assembly is arranged on the shell; the interlocking mechanism comprises a interlocking rod, the interlocking rod is located inside the shell, a fixing rod is fixedly arranged at one end of the interlocking rod, one end of the grounding wire is connected to the fixing rod, one end of the fixing rod movably penetrates the shell, a first rotating shaft is rotatably installed inside the shell, a fan-shaped tooth plate is arranged on the outer fixed sleeve of the first rotating shaft, and the interlocking rod is fixedly arranged at one end of the interlocking rod. The bottom end is provided with tooth grooves distributed side by side, and the tooth grooves are used in conjunction with the fan-shaped tooth plate. The fan-shaped tooth plate is driven to rotate by the first rotating shaft, and the fan-shaped tooth plate is meshed with the tooth grooves, so that the fan-shaped tooth plate drives the locking rod to move, and the fan-shaped tooth plate is fit with the inner wall of the shell, so that locking can be achieved to prevent easy opening. A motor is fixedly provided on the outside of the shell, and the end of the motor output shaft movably passes through the shell and is fixedly connected to one end of the first rotating shaft. The motor can provide power for the first rotating shaft, and a limit plate is fixedly provided at one end of the fixing rod close to the locking rod, and the limit plate can prevent the locking rod from moving out of the shell.
[0005] Preferably, the manual assembly includes a rotating rod, which is rotatably mounted on the shell, a through hole is provided in the middle of the rotating rod, a connecting rod is slidably penetrated inside the through hole, one end of the connecting rod is fixedly provided with a first gear, the inner wall of the through hole is provided with a groove, a steel ball is slidably clamped inside the groove, the top of the connecting rod is provided with symmetrically distributed positioning grooves, and the steel ball is movably clamped in one of the positioning grooves, by moving the connecting rod toward the shell direction so that the connecting rod moves in the through hole, the connecting rod drives the first gear to disengage from the second gear, and then the connecting rod is fixed by the steel ball being clamped in the positioning groove, which can avoid the situation where safety hazards are caused by misoperation, a reset spring is fixedly provided on the inner wall of the groove, one end of the reset spring is in contact with the outer side of the steel ball, and the steel ball can be driven to reset by the elastic force of the reset spring, and a crank is fixedly provided on the end of the connecting rod away from the first gear, and the connecting rod can be conveniently rotated by the crank, and the connecting rod is a square structure, which can conveniently drive the rotating rod to rotate.
[0006] Preferably, a second gear is fixedly provided at one end of the first rotating shaft, and the outer side of the second gear is meshed with the outer side of the first gear, so that power can be transmitted conveniently.
[0007] Compared with the prior art, the beneficial effects of the utility model are:
[0008] 1. The fan-shaped tooth plate is driven to rotate by the first rotating shaft, and the fan-shaped tooth plate is engaged with the tooth groove, so that the fan-shaped tooth plate drives the locking rod to move, so that the fan-shaped tooth plate fits with the inner wall of the shell, so that the locking can be achieved to avoid the situation of easy opening, thereby achieving the purpose of improving safety;
[0009] 2. The connecting rod moves in the through hole, driving the first gear to disengage from the second gear, and then the steel ball is driven by the elastic force of the reset spring to fit into the positioning groove to fix the connecting rod. This can avoid safety hazards caused by misoperation, thereby achieving the purpose of protection. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0011] Figure 1 It is a schematic diagram of the structure of the utility model.
[0012] Figure 2 It is a schematic diagram of the structural section of the utility model.
[0013] Figure 3 It is a front view of the structural section of the utility model.
[0014] Figure 4 It is a schematic cross-sectional view of the manual component structure of the utility model.
[0015] In the figure: 1. housing; 2. interlocking mechanism; 21. interlocking rod; 22. fixing rod; 23. first rotating shaft; 24. sector tooth plate; 25. tooth groove; 26. limit plate; 27. motor; 28. second gear; 3. grounding wire; 4. manual assembly; 41. rotating rod; 42. through hole; 43. connecting rod; 44. first gear; 45. groove; 46. steel ball; 47. positioning groove; 48. return spring; 49. crank. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] Example: Figure 1-4 As shown, the utility model provides a 10kV high voltage belt-assisted interlocking operating mechanism, including a housing 1 and a grounding wire 3, a interlocking mechanism 2 is arranged inside the housing 1, and a manual assembly 4 is arranged on the housing 1; the interlocking mechanism 2 includes a interlocking rod 21, the interlocking rod 21 is located inside the housing 1, one end of the interlocking rod 21 is fixedly provided with a fixing rod 22, one end of the grounding wire 3 is connected to the fixing rod 22, one end of the fixing rod 22 movably penetrates the housing 1, a first rotating shaft 23 is rotatably installed inside the housing 1, a fan-shaped tooth plate 24 is fixedly sleeved on the outer side of the first rotating shaft 23, and tooth grooves 25 distributed side by side are opened at the bottom end of the interlocking rod 21, and the tooth grooves 25 are arranged side by side. Used in conjunction with the fan-shaped toothed plate 24, the fan-shaped toothed plate 24 is driven to rotate by the first rotating shaft 23, and the fan-shaped toothed plate 24 is engaged with the tooth groove 25, so that the fan-shaped toothed plate 24 drives the locking rod 21 to move, so that the fan-shaped toothed plate 24 is fitted with the inner wall of the shell 1, so that locking can be achieved to prevent easy opening. A motor 27 is fixedly arranged on the outside of the shell 1, and the end of the output shaft of the motor 27 movably passes through the shell 1 and is fixedly connected to one end of the first rotating shaft 23. The motor 27 can provide power for the first rotating shaft 23, and a limit plate 26 is fixedly arranged on the end of the fixing rod 22 close to the locking rod 21. The limit plate 26 can prevent the locking rod 21 from moving out of the shell 1.
[0018] The manual assembly 4 includes a rotating rod 41, which is rotatably mounted on the housing 1. A through hole 42 is provided in the middle of the rotating rod 41. A connecting rod 43 is slidably penetrated inside the through hole 42. A first gear 44 is fixedly provided at one end of the connecting rod 43. A groove 45 is provided on the inner wall of the through hole 42. A steel ball 46 is slidably clamped inside the groove 45. A symmetrically distributed positioning groove 47 is provided at the top of the connecting rod 43. The steel ball 46 is movably clamped in one of the positioning grooves 47. By moving the connecting rod 43 toward the housing 1, the connecting rod 43 moves in the through hole 42. 3 drives the first gear 44 to disengage from the second gear 28, and then the steel ball 46 is inserted into the positioning groove 47 to fix the connecting rod 43, so as to avoid the situation that the safety hazard is caused by the wrong operation. The inner wall of the groove 45 is fixed with a reset spring 48, and one end of the reset spring 48 is in contact with the outer side of the steel ball 46. The steel ball 46 can be reset by the elastic force of the reset spring 48. The end of the connecting rod 43 away from the first gear 44 is fixed with a crank 49, and the connecting rod 43 can be conveniently rotated by the crank 49. The connecting rod 43 is a square structure, so that the rotating rod 41 can be conveniently driven to rotate.
[0019] A second gear 28 is fixedly disposed at one end of the first rotating shaft 23 , and the outer side of the second gear 28 meshes with the outer side of the first gear 44 , so that power can be transmitted conveniently.
[0020] Working principle: First, the crank 49 is turned, the crank 49 drives the connecting rod 43 to rotate, the connecting rod 43 drives the first gear 44 to rotate, the first gear 44 drives the second gear 28 to rotate, the second gear 28 drives the first rotating shaft 23 to rotate, and the motor 27 is started at the same time, so that the motor 27 starts to work, the motor 27 drives the first rotating shaft 23 to rotate to provide assistance, the first rotating shaft 23 drives the sector tooth plate 24 to rotate, the sector tooth plate 24 is engaged with the tooth groove 25, so that the sector tooth plate 24 drives the locking rod 21 to move, so that the sector tooth plate 24 and the inner wall of the housing 1 are engaged. The connecting rod 43 is fitted and then moved toward the shell 1 so that the connecting rod 43 moves in the through hole 42. The connecting rod 43 drives the first gear 44 to disengage from the second gear 28. The squeezing force of the positioning groove 47 on the steel ball 46 causes the steel ball 46 to move into the groove 45. At the same time, the steel ball 46 compresses the reset spring 48, so that the reset spring 48 generates an elastic force. The reset spring 48 drives the steel ball 46 to fit into another positioning groove 47 through the elastic force to fix the connecting rod 43. In this way, locking can be achieved to avoid easy opening, thereby achieving the purpose of improving safety.
[0021] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A 10 kV high voltage belt-assisted interlocking operating mechanism, comprising a housing (1) and a grounding wire (3), characterized in that: A locking mechanism (2) is arranged inside the housing (1), and a manual component (4) is arranged on the housing (1); The interlocking mechanism (2) comprises an interlocking rod (21), wherein the interlocking rod (21) is located inside the housing (1), a fixing rod (22) is fixedly provided at one end of the interlocking rod (21), one end of the grounding wire (3) is connected to the fixing rod (22), one end of the fixing rod (22) movably passes through the housing (1), a first rotating shaft (23) is rotatably installed inside the housing (1), a fan-shaped tooth plate (24) is fixedly provided on the outer side of the first rotating shaft (23), and tooth grooves (25) arranged side by side are provided at the bottom end of the interlocking rod (21), and the tooth grooves (25) are used in conjunction with the fan-shaped tooth plate (24).
2. A 10kV high voltage belt-assisted interlocking operating mechanism as claimed in claim 1, characterized in that: The manual assembly (4) comprises a rotating rod (41), the rotating rod (41) is rotatably mounted on the housing (1), a through hole (42) is provided in the middle of the rotating rod (41), a connecting rod (43) is slidably penetrated inside the through hole (42), a first gear (44) is fixedly provided at one end of the connecting rod (43), a groove (45) is provided on the inner wall of the through hole (42), a steel ball (46) is slidably clamped inside the groove (45), and a symmetrically distributed positioning groove (47) is provided at the top end of the connecting rod (43), and the steel ball (46) is movably clamped in one of the positioning grooves (47).
3. A 10kV high voltage belt-assisted interlocking operating mechanism as claimed in claim 2, characterized in that: A second gear (28) is fixedly provided at one end of the first rotating shaft (23), and the outer side of the second gear (28) is meshed with the outer side of the first gear (44).
4. A 10kV high voltage belt-assisted interlocking operating mechanism as claimed in claim 2, characterized in that: A return spring (48) is fixedly provided on the inner wall of the groove (45), and one end of the return spring (48) is in contact with the outer side of the steel ball (46).
5. A 10kV high voltage belt-assisted interlocking operating mechanism as claimed in claim 1, characterized in that: A motor (27) is fixedly provided on the outer side of the housing (1), and the end of the output shaft of the motor (27) movably passes through the housing (1) and is fixedly connected to one end of the first rotating shaft (23).
6. A 10kV high voltage belt-assisted interlocking operating mechanism as claimed in claim 1, characterized in that: A limiting plate (26) is fixedly provided on one end of the fixing rod (22) close to the locking rod (21).
7. A 10kV high voltage belt-assisted interlocking operating mechanism as claimed in claim 2, characterized in that: A crank (49) is fixedly provided at one end of the connecting rod (43) away from the first gear (44).
8. A 10kV high voltage belt-assisted interlocking operating mechanism as claimed in claim 2, characterized in that: The connecting rod (43) is a square structure.