Tap switch repair and maintenance device

Abstract

The utility model discloses a tap switch overhauling and maintaining device which comprises a supporting frame, an isolation room, a connecting piece and a conveying assembly. The isolation room is installed on the supporting frame through a connecting piece, a maintenance bin is formed in the isolation room after the isolation room is installed on the supporting frame, and the isolation room is provided with an opening allowing the tap switch to enter the maintenance bin and a door curtain covering or opening the opening; the conveying assembly comprises a track and an operation platform, one part of the track is arranged in the maintenance bin, the operation platform slides on the track, and the operation platform drives the tap switch to move between the outside and the maintenance bin in a reciprocating mode through the opening. According to the disassembling tool, the corrosion of the disassembled parts caused by external humid air and the influence of the surrounding environment on the insulation performance of the parts are reduced, so that the maintenance difficulty is reduced, the labor intensity is reduced, the working efficiency is improved, a better maintenance environment can be provided for maintenance personnel, and the comfort in the working process is improved.

Description

Technical Field

[0001] This utility model relates to the field of tap changer technology, and in particular to a tap changer maintenance and repair device. Background Technology

[0002] During power distribution operation, transformers must be regulated to maintain the load voltage within the specified range and ensure the normal operation of electrical equipment due to changes in grid voltage, load size, and characteristics. The basic principle of on-load tap changing of a transformer is to draw several taps from the high-voltage side coil of the transformer, and through a tap changer, switch from one tap to another without interrupting the load current, thereby changing the effective number of turns and achieving the purpose of voltage regulation.

[0003] During maintenance and repair, tap changers need to be disassembled. After disassembly, the components are exposed to the ambient air. Due to the influence of ambient humidity and air, their insulation performance will rapidly decline, and the surface is prone to corrosion. This increases the difficulty of maintenance, the intensity of labor, and prolongs the working time. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a tap changer maintenance and repair device.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: a tap changer maintenance device is constructed, including: a support frame, an isolation chamber, a connector, and a conveying assembly; the isolation chamber is installed on the support frame through the connector, and after the isolation chamber is installed on the support frame, a maintenance compartment is formed inside; the isolation chamber is provided with an opening that allows the tap changer to enter the maintenance compartment, and a curtain that covers or opens the opening; the conveying assembly includes a track partially disposed in the maintenance compartment, and an operating platform that slides on the track; the operating platform drives the tap changer to reciprocate between the outside and the maintenance compartment through the opening.

[0006] Furthermore, the tap changer maintenance device also includes a dehumidifier installed in the maintenance compartment; and / or a transparent window is provided on the isolation chamber.

[0007] Furthermore, the support frame includes: multiple sets of support frames, and at least one connecting component disposed between adjacent support frames; the support frame includes: a horizontal frame, two vertical frames and two stabilizing members, the two vertical frames being symmetrically rotatably connected to both sides of the horizontal frame; both the vertical frames and the horizontal frame are provided with sliding grooves, and the two ends of the two stabilizing members are respectively rotatably and slidably connected in the corresponding sliding grooves, limiting the rotation angle between the two vertical frames and the horizontal frame.

[0008] Furthermore, the crossbar includes: a first crossbar, a second crossbar, and a limiting member. The second crossbar is rotatably connected to the first crossbar, and the limiting member is installed on the first crossbar to limit the rotation angle between the second crossbar and the first crossbar.

[0009] Furthermore, the support frame includes: an upright, a telescopic rod, and a first locking member. The telescopic rod is slidably connected to the upright in the axial direction. The first locking member is installed on the telescopic rod through a threaded pair. The bottom end of the first locking member contacts the upright, restricting the sliding position of the telescopic rod on the upright.

[0010] Furthermore, the connecting assembly includes: a connecting seat, a connecting rod, and a second locking member. The connecting seat is mounted on the upright, and receiving grooves are respectively provided on both sides of the connecting seat. The connecting rod is mounted in the receiving groove between adjacent connecting seats through the second locking member.

[0011] Furthermore, the isolation chamber includes: an isolation cover, an isolation base, and a fixing member; the isolation cover has a flexible structure; the isolation cover is installed on the isolation base by the fixing member; the isolation base has a flexible or rigid structure.

[0012] Furthermore, the isolation chamber also includes a connecting pipe that connects the isolation cover to the blower; or / and the isolation chamber also includes a thermometer, a hygrometer, and / or a camera installed in the maintenance compartment.

[0013] Furthermore, the tap changer maintenance device also includes a dustproof sticker and / or a dryer installed at the opening.

[0014] Furthermore, the connector is a Velcro strap, a tie, or a clamp; or / and the fastener is a Velcro strap, a tie, or a zipper.

[0015] The following are the beneficial effects of implementing this utility model:

[0016] This application utilizes an isolation chamber mounted on a support frame via connectors. Once installed, the isolation chamber forms an internal maintenance compartment. The isolation chamber includes an opening allowing the tap changer to enter, and a curtain to cover or open the opening. This maintenance compartment, constructed using the support frame and isolation chamber, reduces the impact of external humid air on the corrosion of disassembled parts and the influence of the surrounding environment on the insulation performance of the parts. This reduces maintenance difficulty, lessens labor intensity, and improves work efficiency. It also provides a better maintenance environment for maintenance personnel, enhancing their comfort during work. The maintenance compartment also serves to store disassembled parts, preventing loss and saving maintenance costs. The operating platform slides on a track, facilitating the transport of the tap changer from the outside to the inside of the maintenance compartment, further improving work efficiency, reducing labor intensity, and enhancing safety by providing some protection for the tap changer during transportation. Attached Figure Description

[0017] To more clearly illustrate the technical solution of this utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0018] In the attached image:

[0019] Figure 1 This is a three-dimensional structural schematic diagram of the tap changer maintenance device in some embodiments of this utility model;

[0020] Figure 2 This is a schematic diagram of the support frame in this utility model;

[0021] Figure 3 This is a structural schematic diagram of the support frame and connecting components in this utility model;

[0022] Figure 4 This is a structural schematic diagram of the horizontal and vertical frames in this utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the first and second crossbars in this utility model;

[0024] Figure 6 This is a schematic diagram of the frame structure in this utility model;

[0025] Figure 7 This is a structural schematic diagram of the connecting rod and the second locking component in this utility model.

[0026] Explanation of markings in the diagram

[0027] Support frame 1, support frame 11, crossbar 111, first crossbar 1111, second crossbar 1112, limiting component 1113, upright 112, upright 1121, telescopic rod 1122, first locking component 1123, stabilizing component 113, slide rail 114, connecting assembly 12, connecting seat 121, connecting rod 122, second locking component 123, isolation chamber 2, isolation cover 21, isolation bottom 22, fixing component 23, opening 24, connecting pipe 25, door curtain 26, connecting component 3, conveying assembly 4, track 41, operating platform 42, maintenance chamber 5, dehumidifier 6, transparent window 7. Detailed Implementation

[0028] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientations or positional relationships indicated by terms such as "front," "rear," "upper," "lower," "left," "right," "longitudinal," "horizontal," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," and "tail" are based on the orientations or positional relationships shown in the accompanying drawings, and are constructed and operated in a specific orientation. They are only for the convenience of describing this technical solution and do not indicate that the device or component referred to must have a specific orientation; therefore, they should not be construed as limitations on this utility model.

[0029] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. When an component is referred to as being "on" or "below" another component, the component can be located "directly" or "indirectly" on the other component, or there may be one or more intermediary components. The terms "first," "second," "third," etc., are only for the convenience of describing this technical solution and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," "third," etc., may explicitly or implicitly include one or more of that feature. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0030] In the following description, specific details such as particular system structures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of the present invention. However, those skilled in the art will understand that the present invention can be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0031] Please see Figures 1 to 3 The first embodiment of this utility model provides a tap changer maintenance device, comprising: a support frame 1, an isolation chamber 2, a connector 3, and a conveying assembly 4. The isolation chamber 2 is mounted on the support frame 1 via the connector 3, forming a maintenance compartment 5 inside. The isolation chamber 2 has an opening 24 that allows the tap changer to enter the maintenance compartment 5, and a curtain 26 that covers or opens the opening 24. The conveying assembly 4 includes a track 41 partially disposed within the maintenance compartment 5, and an operating platform 42 that slides on the track 41. The operating platform 42 drives the tap changer to reciprocate between the outside and the maintenance compartment 5 through the opening 24.

[0032] This application utilizes an isolation chamber 2, which is mounted on a support frame 1 via a connector 3. Once mounted, the isolation chamber 2 forms a maintenance compartment 5. The isolation chamber 2 has an opening 24 allowing the tap changer to enter the maintenance compartment 5, and a curtain 26 to cover or open the opening 24. Using the support frame 1 and the isolation chamber 2 to construct the maintenance compartment 5, the tap changer can be moved into the maintenance compartment 5 through the opening 24 for maintenance and repair. After disassembly, the disassembled parts can be placed in the maintenance compartment 5. The curtain 26 seals the interior of the maintenance compartment 5, reducing the corrosion caused by external humid air and the impact of the surrounding environment on the insulation performance of the parts. This reduces the difficulty of maintenance, lessens labor intensity, improves work efficiency, and provides a better maintenance environment for maintenance personnel, enhancing their comfort during work. The maintenance compartment 5 also serves to store disassembled parts, preventing loss and saving maintenance costs.

[0033] The isolation chamber 2 is installed on the support frame 1 via the connector 3, which facilitates quick installation, improves work efficiency, and can be reused. The support frame 1 can be used in more environments, and the tap changer can be inspected and maintained even on rainy days, further improving work efficiency.

[0034] This application utilizes a conveying assembly 4, which includes a track 41 partially disposed within a maintenance chamber 5, and an operating platform 42 that slides along the track 41. The operating platform 42, through an opening 24, drives the tap changer to reciprocate between the outside and the maintenance chamber 5. By utilizing the operating platform 42 sliding on the track 41, the tap changer is easily transported from the outside to the inside of the maintenance chamber 5, further improving work efficiency, reducing labor intensity, and enhancing safety by providing a certain degree of protection for the tap changer during transportation.

[0035] A motor can be installed between the operating platform 42 and the track 41, with a sprocket mounted on the motor's output shaft. A chain is then installed on the operating platform 42, and the motor drives the sprocket to rotate, thus moving the operating platform 42 along the track 41, further reducing labor intensity. Locking bolts can also be installed on the operating platform 42. Once the operating platform 42 is in the desired position, tightening the locking bolts locks the operating platform 42 to the track 41, keeping them relatively stationary. This facilitates disassembly and maintenance of the tap changer from the operating platform 42, further improving safety.

[0036] Please see Figure 1 and Figure 2 In some embodiments, the tap changer maintenance device also includes a dehumidifier 6 disposed in the maintenance compartment 5.

[0037] This application utilizes a dehumidifier 6 installed in the maintenance chamber 5 to further reduce the air humidity in the maintenance chamber 5, thereby reducing the corrosion of the tap changer by the air in the maintenance chamber 5. This allows both the tap changer and maintenance personnel to be in a relatively dry environment, further improving the insulation effect after maintenance and the comfort during the maintenance process, and further expanding the applicable environment of the tap changer maintenance device.

[0038] Please see Figure 1 and Figure 2 In some embodiments, a transparent window 7 is provided on the isolation room 2.

[0039] This application utilizes a transparent window 7, made of plastic film, installed in the isolation chamber 2, to allow outside light to enter the maintenance chamber 5. This improves the visibility of maintenance personnel, facilitating maintenance and improving work efficiency without creating a sense of confinement. External inspectors can also monitor the internal work process through the transparent window 7 without needing to frequently enter and exit the maintenance chamber 5, maintaining its airtightness, reducing energy consumption, and saving maintenance costs.

[0040] Please see Figures 1 to 4In some embodiments, the support frame 1 includes: multiple sets of support frames 11, and at least one connecting component 12 disposed between adjacent support frames 11. The support frame 11 includes: a horizontal frame 111, two vertical frames 112, and two stabilizing members 113. The two vertical frames 112 are symmetrically rotatably connected to both sides of the horizontal frame 111. Both the vertical frames 112 and the horizontal frame 111 are provided with sliding grooves 114. The two ends of the two stabilizing members 113 are respectively rotatably and slidably connected in the corresponding sliding grooves 114, limiting the rotation angle between the two vertical frames 112 and the horizontal frame 111.

[0041] This application includes a support frame 1 comprising multiple sets of support frames 11 and at least one connecting component 12 disposed between adjacent support frames 11. Different numbers of support frames 11 can be selected according to the actual installation environment. Then, the connecting components 12 are installed between adjacent support frames 11 to connect the multiple sets of support frames 11 to each other, increasing connection strength and stability after installation. The more sets of support frames 11 installed, the larger the internal space of the maintenance compartment 5. This can be adjusted according to actual usage, making it suitable for more installation environments. It also facilitates disassembly and assembly, saving storage space.

[0042] This application uses two uprights 112 symmetrically rotated and connected to both sides of a horizontal frame 111. Both the uprights 112 and the horizontal frame 111 are provided with grooves 114. The two ends of two stabilizing members 113 are rotatably and slidably connected within their respective grooves 114, limiting the rotation angle between the two uprights 112 and the horizontal frame 111. By rotating the two uprights 112 on the horizontal frame 111, it is unfolded. The horizontal frame 111 acts as the top edge of the support frame 11, and the two uprights 112 act as the sides of the support frame 11. During the unfolding process, the two stabilizing members 113 rotate and slide within their respective grooves 114. When the uprights 112 are fully unfolded, the stabilizing members 113 move to the edge of the grooves 114 and can no longer move. The stabilizing members 113 hold the uprights 112 in place, preventing them from rotating further towards the sides of the horizontal frame 111. This improves the stability of the unfolded uprights 112, facilitating installation and increasing installation efficiency. By rotating the upright 112 onto the horizontal frame 111, the space occupied by the support frame 1 after folding can be further saved, making it easier to store and transport.

[0043] Among them, the upright frame 112 can be tilted at a certain angle to the ground after being unfolded, so that the two upright frames 112 and the horizontal frame 111 form a figure-eight shape, which can prevent the upright frame 112 from rotating inward after being unfolded, and can further improve the stability of the upright frame 112 after being unfolded after installation.

[0044] The stabilizing component 113 can also be a bolt or a fixing rod. When the upright 112 is fully extended, the fixing rod is placed at an angle between the upright 112 and the cross frame 111. Then, the two ends of the fixing rod are fixed to the upright 112 and the cross frame 111 respectively by bolts. The support of the fixing rod improves the connection strength between the upright 112 and the cross frame 111 after extension, and further improves safety.

[0045] The two uprights 112 and the horizontal frame 111 are located in different vertical planes, so that the two uprights 112 can be flush with the horizontal frame 111 after being folded, which further reduces the space occupied by the two uprights 112 after being folded, making it easier to store and transport.

[0046] Please see Figures 1 to 5 In some embodiments, the crossbar 111 includes a first crossbar 1111, a second crossbar 1112, and a limiting member 1113. The second crossbar 1112 is rotatably connected to the first crossbar 1111, and the limiting member 1113 is installed on the first crossbar 1111 to limit the rotation angle between the second crossbar 1112 and the first crossbar 1111.

[0047] This application uses a second crossbar 1112 rotatably connected to a first crossbar 1111, with a limiting member 1113 installed on the first crossbar 1111 to limit the rotation angle between the second crossbar 1112 and the first crossbar 1111. This rotatable connection of the second crossbar 1112 to the first crossbar 1111 further saves space in the folded support frame 1, facilitating storage and transportation. After the second crossbar 1112 is rotated and unfolded on the first crossbar 1111, the limiting member 1113 blocks it, preventing further upward rotation and facilitating operation and installation. This improves the stability and safety of the crossbar 111 after unfolding. The limiting member 1113 has an arc groove similar in shape to the second crossbar 1112, which falls precisely within the groove after the second crossbar 1112 is rotated and unfolded, further limiting its rotation and improving stability.

[0048] The second horizontal bar 1112 and the first horizontal bar 1111 are not in the same vertical plane, which can further reduce the space occupied by the second horizontal bar 1112 and the first horizontal bar 1111 after folding, making it easier to store and transport.

[0049] The limiting component 1113 can be a pin. Both the second horizontal bar 1112 and the first horizontal bar 1111 have through holes. When the second horizontal bar 1112 rotates and unfolds on the first horizontal bar 1111, the two through holes are connected. Then, the pin is inserted into the two through holes to limit the second horizontal bar 1112 and the first horizontal bar 1111, which further improves the stability after unfolding.

[0050] Please see Figures 1 to 6 In some embodiments, the support frame 112 includes: a support rod 1121, a telescopic rod 1122, and a first locking member 1123. The telescopic rod 1122 is slidably connected to the support rod 1121 in the axial direction. The first locking member 1123 is installed on the telescopic rod 1122 by a threaded pair. The bottom end of the first locking member 1123 contacts the support rod 1121, restricting the sliding position of the telescopic rod 1122 on the support rod 1121.

[0051] This application uses a telescopic rod 1122 slidably connected to the upright 1121 along its axial direction. A first locking member 1123 is installed on the telescopic rod 1122 via a threaded joint. By sliding the telescopic rod 1122 on the upright 1121, the overall length of the upright 112 is changed. Consequently, after the upright 112 is unfolded, the height of the maintenance compartment 5 can be changed, making it suitable for more installation environments and usage conditions, thus expanding its applicability. When folded, it can further reduce the space occupied. Then, the first locking member 1123 is tightened via the threaded joint, so that the bottom end of the first locking member 1123 contacts the upright 1121, restricting the sliding position of the telescopic rod 1122 on the upright 1121, thereby improving the stability after adjustment, facilitating operation and adjustment, and improving work efficiency.

[0052] Please see Figures 1 to 7 In some embodiments, the connecting assembly 12 includes: a connecting seat 121, a connecting rod 122, and a second locking member 123. The connecting seat 121 is mounted on the upright 1121, and receiving grooves 124 are respectively provided on both sides of the connecting seat 121. The connecting rod 122 is installed in the receiving groove 124 between adjacent connecting seats 121 through the second locking member 123.

[0053] This application uses a connecting seat 121 to mount the upright 1121. The connecting seat 121 has receiving grooves 124 on both sides. The connecting rod 122 is mounted in the receiving groove 124 between adjacent connecting seats 121 via a second locking member 123. After the support frame 11 is unfolded, by placing the connecting rod 122 in the receiving groove 124 of the connecting seat 121 of the adjacent support frame 11, and then passing the second locking member 123 through the connecting seat 121 and the connecting rod 122, the connecting rod 122 and the connecting seat 121 remain relatively stationary, thereby fixing the adjacent support frames 11 together, improving the stability and safety after installation, and facilitating operation. Multiple sets of connecting components 12 can also be installed between adjacent support frames 11; the more sets installed, the more stable the connection.

[0054] The receiving groove 124 can stably confine the connecting rod 122, further improving the connection strength between the connecting rod 122 and the connecting seat 121, and facilitating positioning and installation.

[0055] Please see Figure 1 and Figure 2 In some embodiments, the isolation chamber 2 includes an isolation cover 21, an isolation base 22, and a fastener 23. The isolation cover 21 has a flexible structure and is mounted on the isolation base 22 by the fastener 23.

[0056] This application uses an isolation cover 21 installed on an isolation base 22 with fasteners 23 for easy assembly and disassembly. When installing the isolation chamber 2, the isolation base 22 is laid on the desired maintenance location, then the support frame 1 is unfolded on the isolation base 22, and then the isolation cover 21 is fitted onto the support frame 1. The isolation cover 21 and the isolation base 22 are then installed using fasteners 23, so that the isolation cover 21 and the isolation base 22 fit together and wrap around the support frame 1, thereby improving the sealing of the maintenance chamber 5, reducing the intrusion of ground moisture, and further protecting the disassembled parts.

[0057] The flexible isolation cover 21 is easy to install and can be folded after the entire device is disassembled, further reducing the space occupied by the isolation cover 21 and facilitating transportation. The isolation cover 21 can be made of fireproof, tear-proof and puncture-proof Kevlar, which can extend its service life and make it more adaptable.

[0058] Please see Figure 1 and Figure 2 In some embodiments, the isolation base 22 is a flexible or rigid structure.

[0059] This application features a flexible structure with an isolation base 22, making it suitable for a wider range of installation environments, providing better sealing, and resulting in a lighter overall weight, making it easier to store and transport.

[0060] This application utilizes a rigid isolation base 22, which provides better support and improves the operating environment inside the maintenance compartment 5. It also facilitates movement by maintenance personnel. Furthermore, the rigid isolation base 22 is less prone to damage and has a longer service life.

[0061] Please see Figure 1 and Figure 2 In some embodiments, the isolation chamber 2 also includes a connecting pipe 25 disposed in connection with the blower and the isolation cover 21.

[0062] This application uses a connecting pipe 25, which connects the isolation cover 21 to the blower, to allow the blower to dry outside air before delivering it into the maintenance chamber 5. This ensures ventilation inside the maintenance chamber 5, improves the maintenance environment, enhances the comfort of maintenance personnel, and further prevents the intrusion of humid air, keeping disassembled parts in a relatively dry environment and reducing the difficulty of maintenance.

[0063] Please see Figure 1 and Figure 2 In some embodiments, the isolation chamber 2 also includes a thermometer, a hygrometer, and / or a camera disposed in the maintenance compartment 5.

[0064] This application utilizes a thermometer, hygrometer, and / or a camera installed in the maintenance compartment 5. The thermometer facilitates monitoring the temperature within the maintenance compartment 5, allowing for timely activation of the blower for ventilation. The hygrometer allows for monitoring the humidity within the maintenance compartment 5, enabling timely activation of the dehumidifier 6 to adjust the humidity level. The camera records whether maintenance personnel are operating according to procedures and monitors disassembled parts to prevent loss, thereby improving work efficiency.

[0065] Please see Figure 1 and Figure 2 In some embodiments, the tap changer maintenance device also includes a dustproof sticker and / or a dryer disposed at the opening 24.

[0066] This application uses a dustproof sticker installed at the opening 24 to remove dust from the soles of shoes when maintenance personnel enter the maintenance chamber 5 through the opening 24, thereby improving the working environment inside the maintenance chamber 5, reducing dust contamination of the tap changer components, and further reducing the difficulty of maintenance.

[0067] This application, by installing a dryer at the opening 24, can reduce the amount of humid air from the outside entering the maintenance chamber 5 through the opening 24, thus keeping the maintenance chamber 5 dry. The dryer can also remove moisture from the maintenance personnel, making them more comfortable while working, and can also prevent moisture from spreading to the parts, thus providing a certain degree of protection for the disassembled parts.

[0068] Please see Figures 1 to 2 In some embodiments, the connector 3 is a Velcro strap, a bandage, or a clamp.

[0069] This application utilizes a connector 3, which can be Velcro, straps, or clamps. After the isolation chamber 2 is wrapped around the support frame 1, the connector 3 is then wrapped around the support frame 1, allowing for quick and easy installation of the isolation chamber 2 onto the support frame 1. This facilitates installation and improves the connection strength between the isolation chamber 2 and the support frame 1. Velcro connectors 3 are easy to operate and install, improving installation efficiency. Straps are more cost-effective and suitable for more complex environments. Clamps provide a more secure and tight connection, facilitating operation.

[0070] Please see Figure 1 In some embodiments, the fastener 23 is a Velcro strap, a tie, or a zipper.

[0071] This application uses fasteners 23, such as Velcro, straps, or zippers, to cover the isolation cover 21 onto the support frame 1, and then connects it to the isolation base 22 using fasteners 23. Velcro fasteners 23 facilitate installation and improve installation efficiency. Strap fasteners 23 are more cost-effective and suitable for more complex environments. Zipper fasteners 23 offer good sealing and allow for quick installation.

[0072] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.

Claims

1. A tap changer service device, characterized in that include: Support frame (1), isolation chamber (2), connector (3), and conveying assembly (4); The isolation chamber (2) is installed on the support frame (1) via the connector (3). After the isolation chamber (2) is installed on the support frame (1), a maintenance compartment (5) is formed inside. The isolation chamber (2) is provided with an opening (24) that allows the tap switch to enter the maintenance compartment (5), and a curtain (26) that covers or opens the opening (24). The conveying assembly (4) includes a section of a track (41) set in the maintenance chamber (5) and an operating platform (42) sliding on the track (41). The operating platform (42) drives the tap changer to move back and forth between the outside and the maintenance chamber (5) through the opening (24).

2. The tap changer servicing device according to claim 1, characterized in that The tap changer maintenance device also includes a dehumidifier (6) installed in the maintenance compartment (5); and / or a transparent window (7) is provided on the isolation chamber (2).

3. The tap changer servicing device according to claim 1, characterized in that The support frame (1) includes: multiple sets of support frames (11), and at least one connecting component (12) disposed between adjacent support frames (11); The support frame (11) includes: a horizontal frame (111), two vertical frames (112) and two stabilizing members (113), with the two vertical frames (112) symmetrically rotatably connected to both sides of the horizontal frame (111); Both the uprights (112) and the crossbar (111) are provided with sliding grooves (114). The two ends of the two stabilizing members (113) are respectively rotated and slidably connected in the corresponding sliding grooves (114), limiting the rotation angle between the two uprights (112) and the crossbar (111).

4. The tap changer service device according to claim 3, characterized in that The crossbar (111) includes a first crossbar (1111), a second crossbar (1112), and a limiting member (1113). The second crossbar (1112) is rotatably connected to the first crossbar (1111), and the limiting member (1113) is installed on the first crossbar (1111) to limit the rotation angle between the second crossbar (1112) and the first crossbar (1111).

5. The tap changer servicing device according to claim 3, characterized in that The support frame (112) includes: a support pole (1121), a telescopic rod (1122), and a first locking member (1123). The telescopic rod (1122) is slidably connected to the support pole (1121) in the axial direction. The first locking member (1123) is installed on the telescopic rod (1122) by a threaded pair. The bottom end of the first locking member (1123) contacts the support pole (1121) to restrict the sliding position of the telescopic rod (1122) on the support pole (1121).

6. The tap changer servicing device according to claim 5, characterized in that The connecting assembly (12) includes: a connecting seat (121), a connecting rod (122), and a second locking member (123). The connecting seat (121) is mounted on the upright (1121), and receiving grooves (124) are respectively provided on both sides of the connecting seat (121). The connecting rod (122) is mounted in the receiving groove (124) between adjacent connecting seats (121) through the second locking member (123).

7. The tap changer servicing device according to claim 1, characterized in that The isolation chamber (2) includes: an isolation cover (21), an isolation base (22), and a fastener (23); the isolation cover (21) has a flexible structure; the isolation cover (21) is installed on the isolation base (22) by the fastener (23); the isolation base (22) has a flexible or rigid structure.

8. The tap changer servicing device according to claim 7, characterized in that The isolation chamber (2) also includes a connecting pipe (25) that connects the isolation cover (21) to the blower; The isolation chamber (2) may also include a thermometer, a hygrometer, and / or a camera located in the maintenance compartment (5).

9. The tap changer servicing device according to claim 8, characterized in that The tap changer maintenance device also includes a dustproof sticker and / or a dryer installed at the opening (24).

10. The tap changer maintenance and repair device according to claim 7, characterized in that, The connector (3) is a hook and loop fastener, strap or clamp; or / and the fastener (23) is a hook and loop fastener, strap or zipper.

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