Multi-shaft self-adaptive auxiliary dismounting and mounting equipment of SF6 circuit breaker operating mechanism

By designing a multi-axis adaptive assisted disassembly and assembly device, the limitation problem between the column and the cable tray box during the disassembly and assembly process was solved, realizing efficient disassembly and assembly of the circuit breaker operating mechanism and improving safety.

CN223441588UActive Publication Date: 2025-10-17THREE GORGES JINSHAJIANG CHUANYUN HYDROPOWER DEV CO LTD
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Patent Information

Application Number
CN202422912869.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-17
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

During the disassembly and assembly of the generator outlet circuit breaker (GCB) and GIS circuit breaker operating mechanism, the limitations of the column and cable tray box and the interference of obstacles lead to low disassembly and assembly efficiency and insufficient safety.

Method used

A multi-axis adaptive assisted disassembly and assembly device was designed, including a chassis, sliding frame, lifting frame, bracket, and omnidirectional drive wheel set. Through drive devices such as servo screws, servo electric cylinders, and steering wheels, the device can move flexibly and adjust the bracket spacing, avoid obstacles, and adapt to circuit breaker operating mechanisms of different spans.

Benefits of technology

It improves the speed and quality of disassembly and assembly, reduces labor intensity, and ensures the safety and accuracy of the disassembly and assembly process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multi-shaft self-adaptive auxiliary dismounting and mounting device of an SF6 breaker operating mechanism, which comprises a chassis and a sliding frame slidably mounted on the chassis, the sliding frame is connected with a stretching driving device mounted on the chassis, a sliding rail extending along the vertical direction is mounted on the sliding frame, and the sliding rail is connected with the stretching driving device. A lifting frame extending in the horizontal direction is installed on the sliding rail, a first bracket is arranged at the end, away from the operation table, of the lifting frame, a second bracket is further installed on the lifting frame in a sliding mode, the first bracket and the second bracket are connected through a distance adjusting device, a plurality of idler wheels are arranged in the first bracket and the second bracket, and the idler wheels are connected with a rolling driving device. A lifting driving device connected with the lifting frame is installed on the sliding frame, and a plurality of omni-directional driving wheel sets are arranged at the bottom of the chassis. The wire duct box supporting device can freely move and avoid the wire duct box to support operating mechanisms of circuit breakers of various scales of generators, so that the labor intensity is reduced, the dismounting speed is increased, and the dismounting quality is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to circuit breaker maintenance technical field especially relates to a kind of multi-shaft self-adapting auxiliary dismounting equipment of SF6 circuit breaker operating mechanism. BACKGROUND

[0002] In power system, the insulation and arc-extinguishing medium of large generator outlet circuit breaker (GCB) and GIS circuit breaker all use SF6 gas, and operating mechanism is the power source for driving circuit breaker to open and close, which is very important for the safe and stable operation of power equipment;

[0003] When generator outlet circuit breaker (GCB) operating mechanism and GIS circuit breaker operating mechanism fail, workers need to dismount and replace them, according to the actual investigation and measurement of working condition site, it is found that in the dismounting working condition environment of generator outlet circuit breaker (GCB) operating mechanism and GIS circuit breaker operating mechanism, there are upright columns and wire slot boxes around the circuit breaker operating mechanism, which limits the circuit breaker operating mechanism, and there are often obstacles behind the circuit breaker operating mechanism, which affects the efficiency of operating mechanism dismounting work process and the safety of workers. SUMMARY

[0004] The utility model discloses a kind of multi-shaft self-adapting auxiliary dismounting equipment of SF6 circuit breaker operating mechanism, which can freely move and avoid wire slot box to support various scale generator circuit breaker operating mechanism, so as to reduce labor intensity, improve dismounting speed and promote dismounting quality.

[0005] The utility model achieves the purpose by the following technical scheme:

[0006] A kind of multi-shaft self-adapting auxiliary dismounting equipment of SF6 circuit breaker operating mechanism, including chassis and sliding frame slidingly installed on the chassis, the sliding frame is connected with the probe extension driving device installed on the chassis, sliding rail extending along vertical direction is installed on the sliding frame, lifting frame extending along horizontal direction is installed on the sliding rail, first bracket is provided at the end of the lifting frame away from the operating platform, second bracket is also slidingly installed on the lifting frame, the first bracket and the second bracket are connected by spacing adjustment device, a plurality of rollers are arranged in the first bracket and the second bracket, the rollers are connected with rolling driving device, lifting driving device connected with the lifting frame is installed on the sliding frame, a plurality of omni-directional drive wheels are provided on the bottom of the chassis.

[0007] In one embodiment, the probe extension driving device includes a servo lead screw installed on the chassis, and the nut of the servo lead screw is fixedly connected with the sliding frame.

[0008] In one embodiment, the distance adjustment device comprises a servo cylinder horizontally mounted on the lifting frame, and the telescopic end of the servo cylinder is connected with the second bracket.

[0009] In one embodiment, the operating table is further mounted at one end of the chassis, and the operating table has an operating system comprising a main controller, a display screen, an information transmission module and a power module, the main controller is electrically connected with the display screen, the information transmission module and the power module respectively, and the information transmission module is electrically connected with the probe driving device, the lifting driving device, the rolling driving device, the distance adjustment device and the omni-directional driving wheel group respectively.

[0010] In one embodiment, a sensor is further arranged on the circuit breaker operating mechanism, and the sensor is connected with the main controller.

[0011] In one embodiment, a battery connected with the power module is further arranged in the operating table.

[0012] In one embodiment, the upper end surface of the first bracket and the upper end surface of the second bracket are both arc-shaped structures.

[0013] In one embodiment, the operating table has a receiving area matched with the sliding frame, and a receiving opening is further arranged at one end of the sliding frame close to the sliding frame, so that the sliding frame can intermittently slide into the operating table.

[0014] In one embodiment, the omni-directional driving wheel group is a rudder wheel, and each group of rudder wheels is a double-motor driving structure composed of an azimuth motor and a rolling motor.

[0015] The utility model has the advantages that:

[0016] (1) the omni-directional driving wheel group of the chassis drives the whole device to move, the sliding frame sliding on the chassis and the lifting frame slidingly mounted on the sliding frame enable the lifting frame to easily cross the line slot box and support the circuit breaker operating mechanism, and the distance between the two brackets on the lifting frame is adjusted to adapt to the span of different SF6 circuit breaker operating mechanisms, so as to assist the operator to perform the maintenance work of the circuit breaker. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be described in more detail based on the embodiments and with reference to the drawings.

[0018] Wherein:

[0019] Figure 1 The structure schematic diagram of the utility model in one direction is shown;

[0020] Figure 2 A structure schematic view of the bottom of the chassis is shown;

[0021] Figure 3 A structure schematic view of the chassis in another direction is shown;

[0022] Figure 4 A structure schematic view of the chassis when the operation platform is removed is shown;

[0023] Figure 5 A structure schematic view of the sliding frame and the lifting frame in one direction is shown;

[0024] Figure 6 A structure schematic view of the sliding frame and the lifting frame in another direction is shown;

[0025] In the drawings, the same components use the same reference numerals. The drawings are not in actual scale.

[0026] Reference numerals:

[0027] 1-chassis, 2-sliding frame, 3-reach driving device, 4-lifting frame, 5-lifting driving device, 6-carriage, 7-roller, 8-rolling driving device, 9-distance adjusting device, 10-omni-directional driving wheel set, 11-operation platform, 12-battery, 13-sensor. DETAILED DESCRIPTION

[0028] The utility model will be further explained in combination with the drawings.

[0029] The utility model provides a kind of multi-axis adaptive auxiliary dismounting equipment of SF6 circuit breaker operating mechanism, such as Figures 1 to 6As shown, including chassis 1, sliding frame 2, probe drive device 3, lifting frame 4, lifting drive device 5, bracket 6, roller 7, rolling drive device 8, spacing adjustment device 9, omni-directional drive wheel set 10, operation table 11, battery 12 and sensor 13, the horizontal slide rail is fixedly installed on the chassis 1, the sliding frame 2 is fixedly installed on the slide rail slider of the chassis 1, the probe drive device 3 is a servo lead screw and is horizontally installed on the chassis 1, the nut thereof is fixedly connected with the sliding frame 2, the vertical slide rail is fixedly installed on the sliding frame 2, and the lifting frame 4 is fixedly installed on the slide rail slider of the sliding frame 2; the lifting drive device 5 is a servo lead screw and is vertically installed on the sliding frame 2, the nut thereof is fixedly connected with the lifting frame 4, the horizontal slide rail is fixedly installed on the lifting frame 4, the front and rear two sliders are slidably arranged on each slide rail, and the two brackets 6 are fixedly installed on the sliders located at the front and rear, so that the sliding directions of the two brackets 6 are located on the same straight line; the spacing adjustment device 9 is a servo cylinder and is horizontally installed on the lifting frame 4, the telescopic end thereof is fixedly connected with the bracket 6 located at the rear, and the telescopic direction of the telescopic end is parallel to the sliding direction of the bracket 6;

[0030] It should be noted that the omni-directional drive wheel set is arranged to realize free movement and avoid obstacles, the sliding frame and the lifting frame are cooperatively designed to be able to cross the slot box, the spacing of the bracket is adjusted to adapt to the span of different SF6 circuit breaker operating mechanisms, so that various sizes of power generator circuit breaker operating mechanisms can be supported, the labor intensity is reduced, the disassembly and assembly speed is improved, and the disassembly and assembly quality is improved;

[0031] In one embodiment, the upper end surface of each bracket 6 is arc-shaped, four rollers 7 are rotatably installed on the upper end surface, and the shaft centers of the four rollers 7 are distributed in an arc shape, the rolling drive device 8 is a servo motor and is fixedly installed on the bracket 6 located at the rear, the output end thereof is coaxially fixedly connected with one roller 7 located at the edge of the bracket 6, and the support effect on the circuit breaker operating mechanism is improved;

[0032] In one embodiment, as shown in Figure 3 The omni-directional drive wheel set 10 is installed on the four corners of the bottom surface of the chassis 1, the omni-directional drive wheel set 10 adopts a rudder wheel structure, each group of rudder wheels adopts a double-motor driving mode composed of a direction motor and a rolling motor, three degrees of freedom motion in a plane, i.e. horizontal X and Y direction movement and rotation around Z axis, can be realized through motion control instructions, and the specific implementation is as follows:

[0033] A. When the steering control of the direction motor is 0°, all the rolling motors are controlled to rotate at the same speed in the same direction, and the chassis 1 can be moved horizontally;

[0034] B. When the steering control of the direction motor is 90°, all the rolling motors are controlled to rotate at the same speed in the same direction, and the chassis 1 can be moved longitudinally;

[0035] C、When the azimuth motor controls the steering to be α°, control all the rolling motors to rotate in the same direction and at the same speed, and the chassis 1 can move obliquely, and the angle between the oblique direction and the X axis is α°;

[0036] D、When the azimuth motor controls the steering to be α°, control all the rolling motors to rotate in the same direction and at the same speed, and the chassis 1 can move obliquely, and the angle between the oblique direction and the X axis is α°;

[0037] In one embodiment, as shown in Figure 1 The operating table 11 is fixedly installed on the rear end of the chassis 1, and the operating table 11 is provided with a storage bin corresponding to the sliding frame 2, the sliding frame 2 is intermittently slid into the storage bin, and the battery 12 is installed inside the operating table 11;

[0038] Further, the operating table 11 is provided with an operating system, the operating system includes a main controller, a display screen, an information transmission module and a power module, the main controller is electrically connected with the display screen, the information transmission module, the power module and the sensor 13, and is used for controlling the operation of the whole multi-axis self-adaptive auxiliary disassembly and assembly equipment, the information transmission module is electrically connected with the probe driving device 3, the lifting driving device 5, the rolling driving device 8, the spacing adjusting device 9 and the omnidirectional driving wheel set 12, the power module is electrically connected with the battery 12 and supplies power to other electrical elements, and the display screen can display the image information collected by the sensor 13 in real time;

[0039] As shown in Figures 4 to 6 The sensor 13 adopts an industrial image processing sensor, which is used as a terminal positioning and detection unit, and is used for auxiliary installation of the screw hole alignment mounting hole of the generator outlet circuit breaker (GCB) operating mechanism or the GIS circuit breaker operating mechanism. The sensor 13 can be stored on the chassis 1, and actually needs to be fixedly installed on the generator outlet circuit breaker (GCB) operating mechanism or the GIS circuit breaker operating mechanism to be adjusted in position, so as to collect image information of the mounting hole in real time, express the position and attitude of the SF6 circuit breaker operating mechanism in real time through the operating system, and realize closed-loop motion control of the SF6 circuit breaker operating mechanism screw hole and the mounting hole. Artificial control is not needed for alignment, labor intensity is effectively reduced, and alignment efficiency and accuracy are improved;

[0040] In one embodiment, the working principle of the auxiliary disassembly and assembly equipment is as follows:

[0041] I. Disassembly of the generator outlet circuit breaker (GCB) operating mechanism or the GIS circuit breaker operating mechanism:

[0042] Step S1, the operator controls the omnidirectional driving wheel set 10 through the operating system, so that the chassis 1 moves to the position of the generator outlet circuit breaker (GCB) operating mechanism or the GIS circuit breaker operating mechanism to be disassembled;

[0043] Step S2, start the distance adjustment device 9 to drive the rear bracket 6 to slide on the lifting frame 4, and manually slide the front bracket 6 by the operator, so that the distance between the two brackets 6 can adapt to the span of the generator outlet circuit breaker (GCB) operating mechanism or GIS circuit breaker operating mechanism to be disassembled;

[0044] Step S3, start the probe driving device 3 to make the sliding frame 2 slide towards the generator outlet circuit breaker (GCB) operating mechanism or GIS circuit breaker operating mechanism, and the lifting frame 4 moves over the line slot box to be directly below the generator outlet circuit breaker (GCB) operating mechanism or GIS circuit breaker operating mechanism;

[0045] Step S4, start the lifting driving device 5 to gradually lift the lifting frame 4 until the generator outlet circuit breaker (GCB) operating mechanism or GIS circuit breaker operating mechanism contacts the roller 7 on the bracket 6, and the lifting frame 4 stops moving;

[0046] Step S5, the operator performs the disassembly work of the generator outlet circuit breaker (GCB) operating mechanism or GIS circuit breaker operating mechanism; after the disassembly is completed, the generator outlet circuit breaker (GCB) operating mechanism or GIS circuit breaker operating mechanism directly falls on the bracket 6, the probe driving device 3 is started to make the sliding frame 2 slide backward, and the operator controls the omnidirectional driving wheel set 10 through the operation system. The chassis 1 moves outward to take out the generator outlet circuit breaker (GCB) operating mechanism or GIS circuit breaker operating mechanism.

[0047] II. Install the generator outlet circuit breaker (GCB) operating mechanism or GIS circuit breaker operating mechanism:

[0048] Step S1, start the distance adjustment device 9 to drive the rear bracket 6 to slide on the lifting frame 4, and manually slide the front bracket 6 by the operator, so that the distance between the two brackets 6 can adapt to the span of the generator outlet circuit breaker (GCB) operating mechanism or GIS circuit breaker operating mechanism to be installed; the operator places the generator outlet circuit breaker (GCB) operating mechanism or GIS circuit breaker operating mechanism to be installed on the rollers 7 of the two brackets 6;

[0049] Step S2, the operator fixes and installs the sensor 13 on the center of the installation end of the generator outlet circuit breaker (GCB) operating mechanism or GIS circuit breaker operating mechanism;

[0050] Step S3, the operator controls the omnidirectional drive wheel group 10 through the operation system to make the chassis 1 move to the installation position, and then starts the lifting drive device 5, the lifting frame 4 lifts the connecting head of the generator outlet circuit breaker (GCB) operating mechanism or the GIS circuit breaker operating mechanism to be installed to the height approximately flush with the installation position; the probe drive device 3 is started, the sliding frame 2 drives the lifting frame 4 to pass through the wire slot box, and the generator outlet circuit breaker (GCB) operating mechanism or the GIS circuit breaker operating mechanism to be installed approaches the installation hole;

[0051] Step S4, the sensor 13 collects image information of the installation hole in real time, and transmits the image information to the main controller, the main controller processes data of the image information, and calculates whether the position and posture of the generator outlet circuit breaker (GCB) operating mechanism or the GIS circuit breaker operating mechanism to be installed are greater than the alignment error; if greater than the alignment error, the main controller transmits an electric signal to the information transmission module, adjusts the position of the generator outlet circuit breaker (GCB) operating mechanism or the GIS circuit breaker operating mechanism to be installed by controlling the probe drive device 3, the lifting drive device 5 and the omnidirectional drive wheel group 10, and drives the rotating roller 7 connected thereto to rotate by controlling the rolling drive device 8, so that the generator outlet circuit breaker (GCB) operating mechanism or the GIS circuit breaker operating mechanism to be installed rotates around the center axis, thereby adjusting the posture, and then collecting the image information again and calculating the position and posture, until the position and posture are less than the alignment error, that is, the screw hole on the generator outlet circuit breaker (GCB) operating mechanism or the GIS circuit breaker operating mechanism is aligned with the installation hole;

[0052] Step S5, after the screw hole is aligned with the installation hole, the probe drive device 3 is started, and the screw hole on the generator outlet circuit breaker (GCB) operating mechanism or the GIS circuit breaker operating mechanism is connected with the installation hole; then the worker starts the installation work; after the installation is completed, the lifting drive device 5 is started, the lifting frame 4 is lowered, the generator outlet circuit breaker (GCB) operating mechanism or the GIS circuit breaker operating mechanism is separated from the lifting frame 4, and the multi-axis self-adaptive auxiliary dismounting device is withdrawn;

[0053] In the description of the utility model, it is understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0054] While the application has been described with reference to particular embodiments thereof, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present application. It will thus be appreciated that numerous modifications can be made to the illustrative embodiments and that other arrangements can be devised without departing from the spirit and scope of the present application as defined by the appended claims. It will be understood that the features described in relation to one embodiment can be used in combination with features described in relation to another embodiment.

Claims

1. A multi-axis adaptive auxiliary disassembly and assembly device for an SF6 circuit breaker operating mechanism, characterized in that: The cam is provided with a lifting mechanism which extends in a vertical direction and a horizontal direction, and the lifting mechanism is installed on the lifting mechanism; the lifting mechanism is provided with a first bracket at one end of the lifting mechanism away from the operating table, and the lifting mechanism is also provided with a second bracket which is slidably mounted on the lifting mechanism; the first bracket and the second bracket are connected by a spacing adjustment device; a plurality of rollers are provided in the first bracket and the second bracket, and the rollers are connected to the rolling drive device; a lifting drive device connected to the lifting frame is installed on the sliding frame, and a plurality of omnidirectional drive wheel groups are provided at the bottom of the chassis.

2. The multi-axis adaptive auxiliary disassembly and assembly device of the SF6 circuit breaker operating mechanism according to claim 1, characterized in that: The extension drive device includes a servo screw installed on a chassis, and a nut of the servo screw is fixedly connected to the sliding frame.

3. The multi-axis adaptive auxiliary disassembly and assembly device of the SF6 circuit breaker operating mechanism according to claim 2, characterized in that: The spacing adjustment device includes a servo electric cylinder horizontally mounted on the lifting frame, and the telescopic end of the servo electric cylinder is connected to the second bracket.

4. The multi-axis adaptive auxiliary disassembly and assembly device of the SF6 circuit breaker operating mechanism according to claim 1, characterized in that: It also includes an operating table installed at one end of the chassis, the operating table has an operating system, and the operating system includes a main controller, a display screen, an information transmission module and a power module. The main controller is electrically connected to the display screen, the information transmission module and the power module respectively, and the information transmission module is electrically connected to the extension drive device, the lifting drive device, the rolling drive device, the spacing adjustment device and the omnidirectional drive wheel set respectively.

5. The multi-axis adaptive auxiliary disassembly and assembly device of the SF6 circuit breaker operating mechanism according to claim 4, characterized in that: It also includes a sensor arranged on the circuit breaker operating mechanism, and the sensor is connected to the main controller.

6. The multi-axis adaptive auxiliary disassembly and assembly device of the SF6 circuit breaker operating mechanism according to claim 4, characterized in that: A battery connected to the power module is also provided in the operating console.

7. The multi-axis adaptive auxiliary disassembly and assembly device of the SF6 circuit breaker operating mechanism according to claim 1, characterized in that: The upper end surfaces of the first bracket and the second bracket are both arc-shaped structures.

8. The multi-axis adaptive auxiliary disassembly and assembly device of the SF6 circuit breaker operating mechanism according to claim 1, characterized in that: The operating table has a storage area matched with the sliding frame, and an end thereof close to the sliding frame is also provided with a storage opening for allowing the sliding frame to slide into the operating table intermittently.

9. The multi-axis adaptive auxiliary disassembly and assembly device of the SF6 circuit breaker operating mechanism according to claim 1, characterized in that: The omnidirectional drive wheel set is a steering wheel, and each set of steering wheels is a dual-motor drive structure consisting of an azimuth motor and a roll motor.