Transformer gear shifting equipment

Abstract

The invention relates to a transformer gear shifting device. The transformer gear shifting equipment comprises a mechanical arm, a clamping head and a gear shifting assembly, the clamping head is connected to the output end of the mechanical arm, the clamping head comprises a clamping assembly and a position detection part, the position detection part is used for detecting the positions of the gear shifting assembly and a tap switch, the clamping assembly is used for clamping the gear shifting assembly, and the clamping assembly is configured to clamp the gear shifting assembly under driving of the mechanical arm. And the gear shifting assembly is driven to move to the preset position of the tap switch so as to be electrically connected with two tap joints of the tap switch, and gear shifting is achieved. The position detection piece can detect the positions of the gear shifting assembly and the tap switch and is connected to the output end of the mechanical arm through the clamping assembly, and the clamping assembly can clamp the gear shifting assembly, so that under driving of the mechanical arm, the gear shifting assembly can be accurately driven to the preset position of the tap switch, and the gear shifting assembly can be accurately moved to the preset position of the tap switch. The automatic gear shifting device is electrically connected with the two tapping points of the tapping switch, automatic gear shifting is achieved, manual operation is avoided, and safety is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of transformers, and particularly to a transformer tap-changing device. Background Art

[0002] The off-circuit tap-changer of a dry-type transformer is on the high-voltage winding, and the tap selection is adjusted by changing the form of the shorting piece. During the test, it is necessary to manually remove the screw and adjust the position of the shorting piece to change the tap position. However, during the test, personnel need to repeatedly enter and exit the test area. When the test personnel make mistakes in operation, there is a risk of electric shock. Summary of the Invention

[0003] Based on this, in view of the technical problems that during the test, personnel need to repeatedly enter and exit the test area, and when the test personnel make mistakes in operation, there is a risk of electric shock, it is necessary to provide a transformer tap-changing device.

[0004] A transformer tap-changing device, which includes a robotic arm, a clamping head, and a tap-changing assembly. The clamping head is connected to the output end of the robotic arm. The clamping head includes a clamping assembly and a position detection member. The position detection member is used to detect the positions of the tap-changing assembly and the off-circuit tap-changer. The clamping assembly is used to clamp the tap-changing assembly. The clamping assembly is configured to drive by the robotic arm to drive the tap-changing assembly to move to a preset position of the off-circuit tap-changer to be electrically connected to two tap connectors of the off-circuit tap-changer, so as to achieve tap-changing.

[0005] In one embodiment, the tap-changing assembly includes:

[0006] A switch fixing buckle, which is used to move to a first preset position of the off-circuit tap-changer under the drive of the clamping assembly;

[0007] A first terminal, which is used to move to a second preset position of the off-circuit tap-changer under the drive of the clamping assembly to be electrically connected to the switch fixing buckle and a tap connector of the off-circuit tap-changer; and

[0008] A second terminal, which is used to move to a third preset position of the off-circuit tap-changer under the drive of the clamping assembly to be electrically connected to the switch fixing buckle and another tap connector of the off-circuit tap-changer.

[0009] In one embodiment, the switch fixing buckle is provided with a first connection hole and a second connection hole;

[0010] When the first terminal is in the second preset position, the first terminal passes through the first connection hole and is used to be inserted into the fixing hole of the corresponding tap connector;

[0011] When the second binding post is located at the third preset position, the second binding post is inserted into the second connecting hole and is used to be inserted into the corresponding fixing hole of the tap.

[0012] In one embodiment, at least one of the first connecting hole and the second connecting hole is an elongated hole.

[0013] In one embodiment, the switch fixing buckle includes an insulating spacer and a copper busbar, wherein the copper busbar is installed on the insulating spacer, the copper busbar is used to be electrically connected to the first terminal and the second terminal, and the clamping assembly is used to clamp the insulating spacer.

[0014] In one embodiment, the copper busbar includes two hard copper busbars, the two hard copper busbars are softly connected, and the two hard copper busbars are electrically connected to the first terminal and the second terminal respectively.

[0015] In one embodiment, a matching groove is provided on a side of the insulating spacer away from the copper busbar, the matching groove is used to be sleeved on the tap of the tap changer, and a groove side wall of the matching groove is used to abut against the tap.

[0016] In one embodiment, the transformer shifting device includes a first tooling frame, the first tooling frame is provided with a mounting groove, the insulating pad includes a support seat and a connecting block, the support seat is inserted into the mounting groove, the copper busbar and the connecting block are arranged on the side of the support seat away from the bottom wall of the mounting groove, and the connecting block is located outside the mounting groove.

[0017] In one embodiment, the clamping assembly includes a first clamping member and a second clamping member, the first clamping member is used to clamp the switch fixing buckle, and the second clamping member is used to clamp the first terminal and the second terminal.

[0018] In one embodiment, the position detection component is a visual camera, and the visual camera, the first clamping component and the second clamping component are located on the same connecting line.

[0019] Beneficial effects:

[0020] The transformer shifting device provided by the embodiment of the present invention includes a robotic arm, a clamping head, and a shifting component. The clamping head is connected to the output end of the robotic arm. The clamping head includes a clamping component and a position detection component. The position detection component is used to detect the positions of the shifting component and the tap changer. The clamping component is used to clamp the shifting component. The clamping component is configured to drive the shifting component to move to a preset position of the tap changer under the drive of the robotic arm, so as to be electrically connected to two tap connectors of the tap changer to achieve shifting. In this application, the position detection component can detect the positions of the shifting component and the tap changer, and is connected to the output end of the robotic arm through the clamping component. The clamping component can clamp the shifting component. Therefore, under the drive of the robotic arm, the shifting component can be accurately driven to the preset position of the tap changer to be electrically connected to two tap connectors of the tap changer, realizing automatic shifting, thus avoiding manual operation and improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the clamping head in the transformer shifting device provided by an embodiment of the present invention.

[0022] Figure 2 It is a schematic diagram of the robotic arm in the transformer shifting device provided by an embodiment of the present invention.

[0023] Figure 3 It is a schematic diagram of the shifting component in the transformer shifting device provided by an embodiment of the present invention.

[0024] Figure 4 It is a schematic diagram of the switch fixing buckle in the transformer shifting device provided by an embodiment of the present invention.

[0025] Reference Numerals in the Drawings:

[0026] 100 - Robotic arm; 200 - Clamping component; 210 - First clamping member; 211 - Driving member; 212 - Clamping arm; 220 - Second clamping member; 300 - Shifting component; 310 - Switch fixing buckle; 312 - First connection hole; 313 - Second connection hole; 314 - Insulating pad; 315 - Copper busbar; 316 - Support seat; 317 - Connection block; 318 - First terminal; 319 - Second terminal; 510 - First tooling rack; 511 - Installation groove; 520 - Second tooling rack; 521 - Installation hole; 530 - Tooling seat; 600 - Position detection component; 700 - Connection arm; 710 - Link rod; 720 - Connection plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] To make the above objects, features, and advantages of the present invention more obvious and understandable, the following will describe the specific embodiments of the present invention in detail with reference to the accompanying drawings. Many specific details are set forth in the following description to facilitate a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.

[0029] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "mounted", "connected", "coupled", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In the present invention, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over", and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "below", "beneath", and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0032] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are only for illustrative purposes and do not represent the only implementation.

[0033] Refer to Figure 1 、 Figure 2 and Figure 3 , Figure 1 is a schematic diagram of a clamping head in a transformer tap-changing device provided by an embodiment of the present invention. Figure 2 is a schematic diagram of a robotic arm in a transformer tap-changing device provided by an embodiment of the present invention. Figure 3 is a schematic diagram of a tap-changing assembly in a transformer tap-changing device provided by an embodiment of the present invention. A transformer tap-changing device provided by an embodiment of the present invention includes a robotic arm 100, a clamping head and a tap-changing assembly 300. The clamping head is connected to the output end of the robotic arm 100. The clamping head includes a clamping assembly 200 and a position detection member 600. The position detection member 600 is used to detect the positions of the tap-changing assembly 300 and the tap-changer. The clamping assembly 200 is used to clamp the tap-changing assembly 300. The clamping assembly 200 is configured to drive the tap-changing assembly 300 to move to a preset position of the tap-changer under the drive of the robotic arm 100 to be electrically connected to two tap connectors of the tap-changer, so as to realize tap-changing.

[0034] Specifically, in the present application, the position detection member 600 can detect the positions of the tap-changing assembly 300 and the tap-changer, and is connected to the output end of the robotic arm 100 through the clamping assembly 200. The clamping assembly 200 can clamp the tap-changing assembly 300. Thus, under the drive of the robotic arm 100, the tap-changing assembly 300 can be accurately driven to the preset position of the tap-changer to be electrically connected to two tap connectors of the tap-changer, realizing automatic tap-changing, thereby avoiding manual operation and improving safety.

[0035] It should be noted that the robotic arm 100 in this embodiment can drive the clamping assembly 200 and the position detection member 600 to move and rotate in a preset space, which is prior art and will not be elaborated herein.

[0036] Refer to Figure 1 、 Figure 2 and Figure 3In one embodiment, the shift assembly 300 includes a switch fixing buckle 310, a first terminal 318 and a second terminal 319; the switch fixing buckle 310 is used to move to a first preset position of the tap switch under the drive of the clamping assembly 200; the first terminal 318 is used to move to a second preset position of the tap switch under the drive of the clamping assembly 200, so as to be electrically connected to the switch fixing buckle 310 and a tap of the tap switch; the second terminal 319 is used to move to a third preset position of the tap switch under the drive of the clamping assembly 200, so as to be electrically connected to the switch fixing buckle 310 and another tap of the tap switch.

[0037] Specifically, by clamping the clamping assembly 200 and driven by the robotic arm 100, the switch fixing buckle 310, the first terminal 318 and the second terminal 319 can be moved to the corresponding positions of the tap switch, so that the switch fixing buckle 310 is electrically connected to the corresponding tap through the first terminal 318 and the second terminal 319, thereby achieving accurate gear shifting and improving the reliability of the transformer gear shifting equipment.

[0038] See also Figure 1 , Figure 3 and Figure 4 , Figure 4 A schematic diagram of a switch fixing buckle in a transformer shifting device provided in an embodiment of the present invention. In one embodiment, a first connection hole 312 and a second connection hole 313 are provided on the switch fixing buckle 310; when the first terminal 318 is located at the second preset position, the first terminal 318 is inserted into the first connection hole 312 and is used to be inserted into the fixing hole of the corresponding tap; when the second terminal 319 is located at the third preset position, the second terminal 319 is inserted into the second connection hole 313 and is used to be inserted into the fixing hole of the corresponding tap.

[0039] Specifically, the tap of the tap switch includes a tap seat and a terminal, the tap seat is sleeved on the outside of the terminal, and a fixing hole is provided in the terminal. By passing the first terminal 318 through the first connection hole 312 and inserting it into the corresponding fixing hole of the tap, and by passing the second terminal 319 through the second connection hole 313 and inserting it into the corresponding fixing hole of the tap, the switch fixing buckle 310 is stably fixed on the tap switch and stably electrically connected with the corresponding two tap switches, thereby ensuring the reliability of shifting.

[0040] Furthermore, when the first terminal 318 is inserted into the first connection hole 312, it abuts against the side of the switch fixing buckle 310 away from the tap, and is threadedly connected to the hole wall of the fixing hole in the corresponding tap, thereby improving the reliability of the electrical connection between the switch fixing buckle 310 and the corresponding tap through the first terminal 318. Preferably, the first terminal 318 is a bolt.

[0041] When the second terminal 319 passes through the second connection hole 313, it abuts against the side of the switch fixing buckle 310 away from the tapping head and is threadedly connected to the hole wall of the fixing hole in the corresponding tapping head, thereby improving the reliability of the electrical connection between the switch fixing buckle 310 and the corresponding tapping head through the second terminal 319. Preferably, the second terminal 319 is a bolt.

[0042] Refer to Figure 1 、 Figure 3 and Figure 4 In one embodiment, at least one of the first connection hole 312 and the second connection hole 313 is an elongated hole, so that the first terminal 318 and the second terminal 319 can move relative to each other on the switch fixing buckle 310 to change the relative position between the first terminal 318 and the second terminal 319, thereby being able to adapt to tap switches with different spacings and improving the adaptability of the transformer tap-changing device. Preferably, the second connection hole 313 is an elongated hole.

[0043] Refer to Figure 1 、 Figure 3 and Figure 4 In one embodiment, the switch fixing buckle 310 includes an insulating spacer 314 and a copper busbar 315. The copper busbar 315 is installed on the insulating spacer 314. The copper busbar 315 is used for electrically connecting to the first terminal 318 and the second terminal 319, and the clamping assembly 200 is used for clamping the insulating spacer 314.

[0044] Specifically, the setting of the insulating spacer 314 facilitates the grasping of the clamping assembly 200, and the insulating spacer 314 is insulating, so that it will not discharge externally during the high-voltage test, improving the safety performance of the transformer tap-changing device.

[0045] Refer to Figure 1 、 Figure 3 and Figure 4 In one embodiment, the copper busbar 315 includes two hard copper busbars 315. The two hard copper busbars 315 are soft-connected, and the two hard copper busbars 315 are respectively electrically connected to the first terminal 318 and the second terminal 319, so that it is convenient for the two hard copper busbars 315 to deform. When the first connecting column and the second connecting column are threadedly connected to the hole wall of the corresponding fixing hole, one side of the two hard copper busbars 315 abuts against the first connecting column and the second connecting column, and the other side abuts against the tapping head to adapt to the uneven situation of the copper busbar 315. Among them, the two hard copper busbars 315 are soft-connected through soft copper, or it can also be through other means, as long as the two hard copper busbars 315 are soft-connected.

[0046] Refer to Figure 1 、 Figure 3 and Figure 4, in one embodiment, a mating groove is provided on a side of the insulating spacer 314 facing away from the copper bar 315. The mating groove is used to sleeved on the tap of the tap-changer, and the groove side wall of the mating groove is used to abut against the tap,

[0047] Specifically, the first connection hole 312 and the second connection hole 313 communicate with the mating groove. When the switch fixing buckle 310 is located at the first preset position of the tap-changer, the corresponding two taps are received in the mating groove, and the tap seat on the tap abuts against the groove side wall of the mating groove, so as to perform limit, so that the insulating spacer 314 is stably fixed at the first preset position of the tap-changer, thereby facilitating the first terminal 318 and the second terminal 319 to accurately pass through the first connection hole 312 and the second connection hole 313 under the drive of the clamping assembly 200, and improving the reliability of the transformer tap-changing device.

[0048] Refer to Figure 1 、 Figure 3 and Figure 4 , in one embodiment, the transformer tap-changing device includes a first tooling rack 510. An installation groove 511 is provided on the first tooling rack 510. The insulating spacer 314 includes a support seat 316 and a connection block 317. The support seat 316 is inserted into the installation groove 511. The copper bar 315 and the connection block 317 are arranged on a side of the support seat 316 facing away from the bottom wall of the installation groove 511, and the connection block 317 is located outside the installation groove 511.

[0049] Specifically, through the setting of the installation groove 511, the switch fixing buckle 310 can be accurately limited, so that during the process of the clamping assembly 200 clamping the insulating spacer 314, the switch fixing buckle 310 can be prevented from moving relative to the first tooling rack 510, so as to accurately clamp the switch fixing buckle 310. Among them, by arranging the connection block 317 outside the installation groove 511, when the clamping assembly 200 clamps the insulating spacer 314, it is convenient to clamp the connection block 317 and is not interfered by the installation groove 511, improving the reliability of the transformer tap-changing device.

[0050] Refer to Figure 1 、 Figure 3 and Figure 4 , in one embodiment, the clamping assembly 200 includes a first clamping member 210 and a second clamping member 220. The first clamping member 210 is used to clamp the switch fixing buckle 310, and the second clamping member 220 is used to clamp the first terminal 318 and the second terminal 319, so that the switch fixing buckle 310, the first terminal 318 and the second terminal 319 can be respectively operated, and the switch fixing buckle 310, the first terminal 318 and the second terminal 319 are installed at the corresponding positions on the tap-changer to realize stable tap-changing and improve the convenience and reliability of the transformer tap-changing device.

[0051] Further, the first clamping member 210 includes a driving member 211 and two clamping arms 212. At least one of the two clamping arms 212 is connected to the output end of the driving member 211. The driving member 211 is configured to drive the two clamping arms 212 to approach each other to clamp the connecting block 317. Preferably, the driving member 211 is a cylinder. Wherein, the second clamping member 220 is a tightening gun.

[0052] Refer to Figure 1 、 Figure 3 and Figure 4 , in one embodiment, the transformer tap-changing device further includes a second tooling rack 520. The second tooling rack 520 is provided with at least two mounting holes 521. The first terminal 318 and the second terminal 319 are inserted into the mounting holes 521 and partially located outside the mounting holes 521, so as to facilitate the clamping by the first clamping member 210.

[0053] Further, the transformer tap-changing device further includes a tooling base 530. The first tooling rack 510 and the second tooling rack 520 are located at both ends of the tooling base 530, so as to facilitate the first clamping member 210 to clamp the connecting block 317 and the second clamping member 220 to clamp the first terminal 318 and the second terminal 319.

[0054] Refer to Figure 1 、 Figure 3 and Figure 4 , in one embodiment, the position detection member 600 is a vision camera. The vision camera, the first clamping member 210 and the second clamping member 220 are located on the same straight line. Thus, when the vision camera moves above the tap-changer to obtain the position information of the tap-changer, by driving the first clamping member 210 and the second clamping member 220 to move along the arrangement direction of the vision camera, the first clamping member 210 and the second clamping member 220, the shift assembly 300 and the first connecting column or the second connecting column clamped thereon can be installed at the corresponding positions of the tap-changer, thereby simplifying the movement path of the robotic arm 100 and improving the efficiency of tap-changing of the transformer tap-changing device.

[0055] Further, the clamping head further includes a connecting arm 700. The connecting arm 700 includes a connecting rod 710 and a connecting plate 720. One end of the connecting rod is connected to the output end of the robotic arm 100, and the other end of the connecting rod is connected to the connecting plate 720. The vision camera, the first clamping member 210 and the second clamping member 220 are all connected to the connecting plate 720.

[0056] Refer to Figure 1 、 Figure 3 and Figure 4, in one embodiment, the transformer tap-changing device further includes a controller, which is electrically connected to the robotic arm 100, the first clamping member 210, the second clamping member 220, and the vision camera. The vision camera is used to transmit the detected position information of the tap-changer, the switch fixing buckle 310, the first connecting column, and the second connecting column to the controller. The controller is used to control the movement of the output end of the robotic arm 100 according to the position information, so that the robotic arm 100 drives the clamping head to move to the target position, and controls the first clamping member 210 and the second clamping member 220 to clamp the switch fixing buckle 310, the first connecting column, and the second connecting column, and drive the switch fixing buckle 310, the first connecting column, and the second connecting column to the preset position of the tap-changer, so as to realize the electrical connection of the switch fixing buckle 310 to the corresponding tap through the first connecting column and the second connecting column, so as to realize automatic tap-changing.

[0057] Refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , in the embodiment of the present invention, the specific tap-changing method includes the following steps:

[0058] Control the movement of the robotic arm 100 to drive the vision camera to move above the tap-changer to identify the position of the tap-changer and the size of the fixing holes thereon;

[0059] The first clamping member 210 grabs the switch fixing buckle 310, and the second clamping member 220 grabs the first connecting column and moves to the preset position of the tap-changer;

[0060] Put the switch fixing buckle 310 on the tap-changer, and at the same time use the second clamping member 220 to tighten the first connecting column onto the first connecting hole 312 of the switch fixing buckle 310 and the first fixing hole of the tap-changer to initially fix the switch fixing buckle 310 and the tap-changer;

[0061] The second clamping member 220 grabs the second connecting column, the vision camera identifies the second fixing hole of the tap-changer, and uses the second clamping member 220 to tighten the second connecting column onto the second connecting hole 313 and the second fixing hole of the tap-changer to doubly fix the switch fixing buckle 310 and the tap-changer.

[0062] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0063] The above-described embodiments merely represent several implementation manners of the present invention. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the appended claims.

Claims

1. A transformer shifting device, characterized in that: The transformer shifting device includes a mechanical arm, a clamping head and a shifting assembly, wherein the clamping head is connected to the output end of the mechanical arm, the clamping head includes a clamping assembly and a position detection component, the position detection component is used to detect the positions of the shifting assembly and the tap switch, the clamping assembly is used to clamp the shifting assembly, and the clamping assembly is configured to drive the shifting assembly to move to a preset position of the tap switch under the drive of the mechanical arm, so as to be electrically connected to two taps of the tap switch to achieve shifting.

2. The transformer shifting device according to claim 1, characterized in that: The shift assembly comprises: A switch fixing buckle, used to move to a first preset position of the tap switch under the drive of the clamping assembly; a first terminal, used to move to a second preset position of the tap switch under the drive of the clamping assembly, so as to be electrically connected to the switch fixing buckle and a tap connector of the tap switch; and The second terminal is used to move to a third preset position of the tap switch under the drive of the clamping assembly to be electrically connected to the switch fixing buckle and another tap connector of the tap switch.

3. The transformer shifting device according to claim 2, characterized in that: The switch fixing buckle is provided with a first connecting hole and a second connecting hole; When the first binding post is located at the second preset position, the first binding post is inserted into the first connecting hole and is used to be inserted into the corresponding fixing hole of the tap; When the second binding post is located at the third preset position, the second binding post is inserted into the second connecting hole and is used to be inserted into the corresponding fixing hole of the tap.

4. The transformer shifting device according to claim 3, characterized in that: At least one of the first connection hole and the second connection hole is an elongated hole.

5. The transformer shifting device according to claim 2, characterized in that: The switch fixing buckle comprises an insulating spacer and a copper bar, wherein the copper bar is mounted on the insulating spacer and is used to be electrically connected to the first terminal and the second terminal, and the clamping assembly is used to clamp the insulating spacer.

6. The transformer shifting device according to claim 5, characterized in that: The copper busbar includes two hard copper busbars, the two hard copper busbars are softly connected, and the two hard copper busbars are electrically connected to the first terminal and the second terminal respectively.

7. The transformer shifting device according to claim 5, characterized in that: A matching groove is provided on a side of the insulating spacer away from the copper busbar. The matching groove is used to be sleeved on the tap of the tap switch, and a groove side wall of the matching groove is used to abut against the tap.

8. The transformer shifting device according to claim 5, characterized in that: The transformer shifting device includes a first tooling frame, which is provided with a mounting groove. The insulating pad includes a support seat and a connecting block. The support seat is inserted into the mounting groove. The copper busbar and the connecting block are arranged on a side of the support seat away from the bottom wall of the mounting groove, and the connecting block is located outside the mounting groove.

9. The transformer shifting device according to any one of claims 2 to 8, characterized in that: The clamping assembly includes a first clamping member and a second clamping member, wherein the first clamping member is used to clamp the switch fixing buckle, and the second clamping member is used to clamp the first terminal and the second terminal.

10. The transformer shifting device according to claim 9, characterized in that: The position detection component is a visual camera, and the visual camera, the first clamping component and the second clamping component are located on the same connecting line.

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