Safety type gas-insulated switchgear operating mechanism

By introducing an anti-accidental touch button mechanism and an energy storage electromagnet drive into the gas-insulated switchgear operating mechanism, the problem of misoperation was solved, and the safety and stability of operation were improved.

CN224020660UActive Publication Date: 2026-03-20ZHEJIANG FENGCHANG ELECTRIC TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The existing gas-insulated switchgear operating mechanism lacks a reliable anti-accidental operation mechanism, which is prone to misoperation due to environmental interference or negligence, endangering the safety of maintenance personnel and affecting the stable operation of the equipment.

Method used

A safe gas-filled cabinet operating mechanism was designed, which adopts an anti-accidental touch button mechanism. Through the cooperation of locking pins and locking slots, accidental touch is prevented. Combined with the energy storage mechanism and electromagnet drive, the accuracy and safety of operation are ensured.

Benefits of technology

This effectively avoids misoperation, improves the safety and stability of the gas-filled cabinet, and reduces the probability of safety accidents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of electrical equipment, and particularly relates to a safety type gas-insulated switchgear operating mechanism, which comprises a rack, an operating device, an energy storage mechanism, a connecting rod transmission mechanism and a mistaken touch prevention button mechanism, the energy storage mechanism provides power for opening and closing, and an energy storage motor and a manual energy storage connecting rod transmission mechanism are arranged to meet different energy storage requirements. Through cooperation of the mistaken touch prevention button mechanism, the lock pin is clamped into the locking part of the lock groove in a normal state, movement of the movable rod is limited, misoperation is prevented, the button cover needs to be manually rotated to enable the lock pin to be separated from the lock groove during operation, and after unlocking, the button cover is pressed to drive the switching-on or switching-off rotating shaft to rotate through cooperation of the driving block and the roller. The cubicle gas insulated switchgear operating mechanism effectively avoids misoperation, improves operation safety and stability, and is suitable for various electric power scenes.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of power equipment, specifically a safe type inflation cabinet operating mechanism. BACKGROUND

[0002] The inflation cabinet operating mechanism is a key component of the inflation cabinet, which is used for controlling the closing and opening of the switch, and the mechanism is compact in structure, flexible in operation and reliable in interlocking, and is suitable for small secondary substations, switching stations, box-type substations and the like, with the development of technology, the inflation cabinet operating mechanism is continuously innovated, and the technical performance and safety are improved.

[0003] The existing inflation cabinet operating mechanism mainly consists of the following parts: drive shaft, rotating shaft, connecting rod, transmission rod, indicator and interlocking system, and the drive shaft is driven to rotate by operating the handle or electric device, and then other components are moved to realize the closing and opening of the switch, and at the same time, the interlocking system ensures that other related operations cannot be performed under certain conditions, preventing misoperation.

[0004] At present, the inflation cabinet operating mechanism in the prior art has the following disadvantages: in the field of inflation cabinet operation, it is always important to ensure the accuracy and safety of operation, the existing inflation cabinet operation button is mainly designed as simple pressing type, and lacks reliable anti-misoperation mechanism, in complex industrial sites such as metallurgy, chemical industry and the like, the site environment is noisy, and there are many devices, and in the operation process, the staff is easy to accidentally touch the operation button due to the surrounding environmental interference or self negligence, and then causes the inflation cabinet to be incorrectly closed and opened, which may cause the equipment under maintenance to be electrified, endangering the life safety of the maintenance personnel, these safety accidents caused by misoperation are common, which not only seriously threatens the personal safety of the operator, but also greatly impacts the stable operation of the equipment, increases the probability of equipment failure, and increases the maintenance cost, therefore, the safe inflation cabinet operating mechanism is proposed for the above problems. CONTENT OF THE UTILITY MODEL

[0005] In order to make up for the deficiency of the existing inflation cabinet operating mechanism, a safe inflation cabinet operating mechanism is proposed.

[0006] The utility model discloses a technical scheme that solves its technical problems is: a kind of safe type inflatable cabinet operating mechanism of the utility model, including the rack of bottom plate, baffle, panel, the bottom plate, baffle, panel three are fixedly assembled by fixed pillar, operating device is assembled on the rack, the operating device includes closing shaft, opening shaft, the energy storage mechanism for providing opening and closing power is assembled between the bottom plate and baffle, the connecting rod transmission mechanism for manual energy storage is assembled between the baffle and panel, the connecting rod transmission mechanism includes the manual energy storage shaft for driving, the panel is located at the both sides of closing shaft and opening shaft and is equipped with the anti-misoperation button mechanism for driving both respectively to carry out closing and opening operation.

[0007] Preferably, the anti-misoperation button mechanism includes a sleeve column, a movable rod is slidably mounted on the sleeve column, an energy storage spring is connected between the movable rod and the sleeve column for resetting the movable rod, a locking pin is slidably and penetratively arranged on the sleeve column, a reset spring is connected between one end of the locking pin and the outer wall of the sleeve column, a locking groove is formed on one side of the movable rod and matched with the locking pin, one end of the locking groove is a locking portion, and the other end is an unlocking portion which is arc-shaped and transitions with the movable rod.

[0008] Preferably, a button cover for operation is fixedly arranged at the top end of the movable rod, a driving block is fixedly arranged at the bottom end of the button cover, an arc-shaped driving surface is formed on one side of the driving block, a roller is rotatably arranged on one side of the closing shaft and the opening shaft through a connecting rod, and an arc surface matched with the arc-shaped driving surface is formed on the periphery of the roller.

[0009] Preferably, an electromagnet driving mechanism for driving the closing shaft and the opening shaft to carry out closing and opening operations respectively is arranged on the panel at the sides of the closing shaft and the opening shaft.

[0010] Preferably, an energy storage motor for storing energy for the energy storage mechanism is further arranged on the rack.

[0011] The utility model has the advantages that:

[0012] The utility model provides a kind of safe type inflatable cabinet operating mechanism, in inflatable cabinet operating scene, misoperation is extremely likely to cause serious safety accident, cooperate with the anti-misoperation button mechanism of the utility model, from the source, the occurrence of misoperation is eliminated, for operator and equipment safety builds up solid defense line, under normal circumstances, the locking pin is locked into the locking portion of locking groove, so that the movable rod cannot be moved at will, avoid accidental touch button cover, leading to inflatable cabinet error opening and closing, whether in complex industrial site environment, or in the case of negligence in operation process, misoperation can be effectively avoided, provide all-round guarantee for the safe and stable operation of inflatable cabinet, greatly reduce the probability of safety accident. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the present application. In the drawings:

[0014] Fig. 1 is the structure perspective view of the whole of the present application;

[0015] Fig. 2 is the structure sectional view of the anti-mis-touch button mechanism of the present application;

[0016] Fig. 3 is the structure sectional view of the cooperation between the lock slot and the lock pin in the present application;

[0017] Legend:

[0018] 1, rack; 01, bottom plate; 02, partition plate; 03, panel; 100, fixed pillar; 2, operating device; 3, connecting rod transmission mechanism; 4, energy storage mechanism; 5, opening shaft; 6, closing shaft; 7, electromagnet driving mechanism; 8, energy storage motor; 9, anti-mis-touch button mechanism; 901, sleeve column; 902, movable rod; 9021, button cover; 903, energy storage spring; 904, lock pin; 905, reset spring; 906, lock slot; 9061, locking part; 9062, unlocking part; 907, driving block; 9071, arc-shaped driving surface; 10, manual energy storage shaft; 11, roller. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] Specific embodiments are given below.

[0021] Please refer to Figs. 1-3The utility model provides a safe type inflation cabinet operating mechanism, including the rack 1 that is composed of bottom plate 01, baffle 02, panel 03, bottom plate 01, baffle 02, panel 03 three are fixed assembly through fixed pillar 100, the operating device 2 is assembled on the rack 1, the operating device 2 includes closing shaft 6, opening shaft 5, the bottom plate 01 is equipped with the energy storage mechanism 4 for providing the power of opening and closing between baffle 02, baffle 02 and panel 03 are equipped with the connecting rod drive mechanism 3 for manual energy storage, the connecting rod drive mechanism 3 includes the manual energy storage pivot 10 for driving, the panel 03 is located on closing shaft 6, opening shaft 5 both sides and is equipped with the anti-misoperation button mechanism 9 for driving two respectively to carry out closing and opening operation, the anti-misoperation button mechanism 9 includes sleeve column 901, the sleeve column 901 is slidably equipped with movable rod 902, the movable rod 902 and sleeve column 901 between the end are equipped with the energy storage spring 903 for movable rod 902 reset, the top of movable rod 902 is fixedly provided with the button cover 9021 for operation, the sleeve column 901 is slidably penetrated with lock pin 904, and the end between lock pin 904 and the outer wall of sleeve column 901 is equipped with reset spring 905, the movable rod 902 circumferential side is set with the lock slot 906 that cooperates with lock pin 904, and the lock slot 906 one end is locking portion 9061, and the other end is the unlocking portion 9062 that is circumferential arc transition with movable rod 902.When working, the energy storage mechanism 4 adopts common ways such as spring energy storage or hydraulic energy storage, stores enough energy in advance before the air tank needs to be operated, provides power for the rotation of the closing shaft 6 and the opening shaft 5, and then realizes the closing and opening of the contacts in the air tank, the connecting rod transmission mechanism 3 provides a manual energy storage way for the operator, manually rotates the manual energy storage shaft 10, transmits the mechanical energy applied by the operator to the energy storage mechanism 4 through the mutual cooperation between the connecting rods, completes the energy storage operation, and the anti-misoperation button mechanism 9 is used for guaranteeing the operation safety, in the normal state, the locking pin 904 is clamped into the locking part 9061 of the locking groove 906 under the elastic potential energy of the reset spring 905, so that the up-down movement of the movable rod 902 is limited, and the misoperation caused by accidental touching of the button is prevented, when the operator confirms that the opening and closing operation is needed, the resistance of the reset spring 905 needs to be manually overcome, the button cover 9021 is rotated, at this time, the movable rod 902 drives the energy storage spring 903 to rotate, at this time, the energy storage spring 903 is rotated and stores torsional force, when the movable rod 902 rotates, the locking groove 906 is rotated, at this time, the locking pin 904 slides along the arc-shaped track from the locking part 9061 to the unlocking part 9062, and is separated from the locking groove 906, at this time, the movable rod 902 is free from the restriction of the locking pin 904, and can slide up and down on the sleeve column 901, the button cover 9021 is pressed to realize the subsequent opening and closing operation, at this time, the movable rod 902 is pressed downward and stores the axial potential energy for the energy storage spring 903, after the operation is completed, the movable rod 902 is moved upward and reset by the release of the axial potential energy of the energy storage spring 903, at this time, the locking groove 906 moves to the same horizontal line as the locking pin 904, and the movable rod 902 is axially rotated and reset by the release of the torsional force of the energy storage spring 903, so that the position of the locking part 9061 cooperates with the locking pin 904, the locking pin 904 is clamped into the locking part 9061 of the locking groove 906 under the action of the reset spring 905, and is restored to the initial locking state, through the cooperation of the anti-misoperation button mechanism 9, the safety accidents caused by misoperation are fundamentally avoided, and reliable guarantee is provided for the safety of the operator and the equipment, and the safety and stability of the air tank operation are improved.

[0022] Further, the bottom end of the button cover 9021 is fixedly provided with a driving block 907, one side of the driving block 907 is provided with an arc-shaped driving surface 9071, one side of the closing shaft 6 and the opening shaft 5 is rotationally provided with a roller 11 through a connecting rod, and the periphery of the roller 11 is provided with an arc surface matched with the arc-shaped driving surface 9071; when working, when the operator presses the button cover 9021, the movable rod 902 moves downward, the driving block 907 fixed at the bottom end of the movable rod 902 moves downward synchronously, the arc-shaped driving surface 9071 of the driving block 907 is tightly combined with the arc surface of the periphery of the roller 11, with the downward movement of the driving block 907, the arc-shaped driving surface 9071 interacts with the arc surface of the roller 11, generates a tangential force, and transmits the tangential force to the closing shaft 6 or the opening shaft 5 through the connecting rod, so that the shaft of the closing shaft 6 or the opening shaft 5 rotates to complete the opening and closing operation.

[0023] Further, the panel 03 is provided with an electromagnet driving mechanism 7 beside the closing shaft 6 and the opening shaft 5 for driving the closing and opening operations of the closing shaft 6 and the opening shaft 5 respectively; in operation, the electromagnet driving mechanism 7 is connected with the control system of the gas-filled cabinet, when the control system sends a closing or opening instruction, the corresponding electromagnet driving mechanism 7 is electrified, a strong electromagnetic force is generated in the coil inside the electromagnet, the electromagnetic force acts on the top rod matched with the closing shaft 6 or the opening shaft 5, the displacement of the top rod is transferred to the closing shaft 6 or the opening shaft 5, thereby pushing the shaft to rotate, realizing the closing or opening operation of the gas-filled cabinet, after the operation is completed, the electromagnet driving mechanism 7 is de-energized, and the top rod is reset to the initial position, ready for the next operation.

[0024] Further, the rack 1 is further provided with an energy storage motor 8 for storing energy for the energy storage mechanism 4; in operation, the energy storage motor 8 is connected with the power control system of the gas-filled cabinet, when it is needed to store energy for the energy storage mechanism 4, the control system sends a starting instruction to the energy storage motor 8, the energy storage motor 8 is electrified and runs, and the energy storage motor 8 is connected with the energy storage mechanism 4 through a transmission device, and the mechanical energy output by the motor is transmitted to the energy storage mechanism 4 for energy storage.

[0025] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0026] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art 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 safety gas-insulated switchgear operating mechanism, comprising a frame (1) consisting of a base plate (01), a partition plate (02), and a panel (03), wherein the base plate (01), the partition plate (02), and the panel (03) are fixedly assembled by a fixed support column (100), and an operating device (2) is mounted on the frame (1), the operating device (2) comprising a closing shaft (6) and a opening shaft (5), an energy storage mechanism (4) for providing opening and closing power is mounted between the base plate (01) and the partition plate (02), and a linkage transmission mechanism (3) for manual energy storage is mounted between the partition plate (02) and the panel (03), the linkage transmission mechanism (3) comprising a manual energy storage shaft (10) for driving, characterized in that: On the panel (03), next to both the closing shaft (6) and the opening shaft (5), there are anti-misoperation button mechanisms (9) for driving them to perform closing and opening operations respectively.

2. The safety-type gas-insulated cabinet operating mechanism according to claim 1, characterized in that: The anti-accidental touch button mechanism (9) includes a sleeve (901), on which a movable rod (902) is slidably mounted. An energy storage spring (903) for resetting the movable rod (902) is connected between the movable rod (902) and the sleeve (901). A locking pin (904) is slidably passed through the sleeve (901). A reset spring (905) is connected between one end of the locking pin (904) and the outer wall of the sleeve (901). A locking groove (906) that cooperates with the locking pin (904) is opened on one side of the circumference of the movable rod (902). One end of the locking groove (906) is a locking part (9061), and the other end is an unlocking part (9062) that transitions to the circumference of the movable rod (902) in an arc.

3. The safety-type gas-insulated cabinet operating mechanism according to claim 2, characterized in that: The top of the movable rod (902) is fixedly provided with a button cover (9021) for operation. A drive block (907) is fixedly provided on one side of the bottom end of the button cover (9021). An arc-shaped drive surface (9071) is provided on one side of the drive block (907). Rollers (11) are rotatably provided on one side of the closing shaft (6) and the opening shaft (5) through a connecting rod. An arc surface that matches the arc-shaped drive surface (9071) is provided on the circumference of the roller (11).

4. The safety-type gas-insulated switchgear operating mechanism according to claim 1, characterized in that: On the panel (03), next to the closing shaft (6) and the opening shaft (5), there are electromagnet drive mechanisms (7) for driving the two to perform closing and opening operations respectively.

5. The safety gas-insulated switchgear operating mechanism according to claim 1, characterized in that: The frame (1) is also equipped with an energy storage motor (8) for storing energy for the energy storage mechanism (4).