Low-voltage porcelain bottle locking mechanism

Abstract

The utility model relates to a low-voltage porcelain bottle locking mechanism, and relates to the technical field of transformer assembly, the low-voltage porcelain bottle locking mechanism comprises a vertical plate and a support used for supporting the vertical plate, and the support is provided with a moving assembly driving the vertical plate to slide in the vertical direction and the horizontal direction; a center shaft is rotationally arranged on the side face of the vertical plate in the vertical direction, and a first power piece for driving the center shaft to rotate around the axis of the center shaft is fixedly arranged; a connecting sleeve is fixedly arranged on the periphery of the lower end of the center shaft, a plurality of locking blocks are evenly hinged to the periphery of the connecting sleeve, and the rotating faces of the locking blocks are parallel to the axis of the connecting sleeve. The vertical plate is provided with a control piece which drives the lower ends of the locking blocks to rotate oppositely at the same time, and the connecting sleeve is provided with an elastic reset piece which drives the lower ends of the locking blocks to be opposite. When the lower ends of the locking blocks rotate oppositely, the nut located below the connecting sleeve can be clamped. According to the locking device, automatic clamping and screwing of the nut are achieved, so that the locking efficiency of the low-voltage porcelain insulator is improved, and the requirements of scenes such as large-scale production or emergency repair are met.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of transformer assembly, and in particular to a low-voltage porcelain bottle locking mechanism. BACKGROUND

[0002] Oil-immersed transformers, as the core equipment in power transmission and distribution systems, ingeniously use insulating oil as the main insulation and cooling medium. This design not only ensures the safe operation of the equipment, but also greatly improves the efficiency. In a wide range of industrial and civil fields, such as power supply and distribution systems in industrial and mining enterprises and residential areas, oil-immersed transformers play a key role in safely and efficiently converting high-voltage power grids (such as 10kV, 35kV) into 230 / 400V low-voltage power required by users.

[0003] In related technologies, an oil-immersed transformer is usually composed of a box body, an embedded iron core, and a box cover and other key components. The box cover, as an important interface connecting the inside and outside of the transformer, has several fixed rods fixedly installed thereon. These fixed rods not only bear the supporting role, but are also ingeniously designed with threaded parts to facilitate the subsequent installation of low-voltage porcelain bottles and other key insulation components on them. As an important part of electrical insulation, the stability of the low-voltage porcelain bottle is directly related to the overall performance and safety of the transformer.

[0004] However, in the traditional assembly process, the fastening of the low-voltage porcelain bottle often relies on manual operation. Workers need to use wrenches and other tools to manually screw nuts into the threaded parts of the fixed rods to achieve the fastening of the low-voltage porcelain bottle. Although this step seems simple, it actually consumes a lot of time and effort in actual operation, seriously affecting the overall assembly efficiency of the transformer. Especially in large-scale production or emergency repair scenarios, this inefficient fastening method undoubtedly becomes a bottleneck restricting the rapid deployment and efficient operation of the transformer, and there is room for improvement. CONTENT OF THE UTILITY MODEL

[0005] The purpose of the present application is to provide a low-voltage porcelain bottle locking mechanism to solve the problem of low locking efficiency of existing low-voltage porcelain bottles, which cannot meet the needs of large-scale production or emergency repair scenarios.

[0006] The low-voltage porcelain bottle locking mechanism provided by the present application adopts the following technical solution:

[0007] The low-voltage porcelain bottle locking mechanism comprises a vertical plate, a support for supporting the vertical plate, and a moving assembly provided on the support and used for sliding the vertical plate in the vertical and horizontal directions; the side surface of the vertical plate is rotationally provided with a central shaft in the vertical direction, and a first power member is fixedly arranged on the central shaft and used for rotating the central shaft about the axis of the central shaft; a connecting sleeve is fixedly arranged on the outer periphery of the lower end of the central shaft, a plurality of locking blocks are uniformly hingedly arranged on the outer periphery of the connecting sleeve, and the rotation surface of the locking block is parallel to the axis of the connecting sleeve; the vertical plate is provided with a control member used for simultaneously rotating the lower ends of the locking blocks towards each other; the connecting sleeve is provided with an elastic reset member used for rotating the lower ends of the locking blocks away from each other; and the lower ends of the plurality of locking blocks can clamp a nut below the connecting sleeve when the lower ends of the plurality of locking blocks are rotated towards each other.

[0008] By adopting the above technical scheme, when the locking device is in operation, the connecting sleeve is first moved above the nut by the moving assembly, then the lower ends of the locking blocks are rotated towards each other by the control member, and then the nut is clamped; the clamped nut is then moved above the corresponding screw rod by the moving assembly, and then the central shaft, the connecting sleeve and the clamped nut are synchronously rotated by the first power member, so that the nut is screwed on the screw rod; finally, the control member is reset and stops pressing the locking blocks, and the elastic reset member resets the locking blocks; the above process is repeated to realize automatic clamping and tightening of the nut, thereby improving the locking efficiency of the low-voltage porcelain bottle and meeting the needs of large-scale production or emergency repair scenes.

[0009] Optionally, the moving assembly comprises a cross beam slidingly arranged on the support in the horizontal direction, a first driving member fixedly arranged on the support and used for sliding the cross beam, a sliding block slidingly arranged on the cross beam in the horizontal direction, and a second driving member fixedly arranged on the cross beam and used for sliding the sliding block; the vertical plate is slidingly arranged on the side surface of the sliding block in the vertical direction, and a third driving member is fixedly arranged on the sliding block and used for sliding the vertical plate up and down.

[0010] By adopting the above technical scheme, the moving directions of the cross beam, the sliding block and the vertical plate are perpendicular to each other due to the cooperation of the first driving member, the second driving member and the third driving member, so as to realize the movement of the vertical plate in the horizontal plane and the vertical plane, and meet the position movement requirement of the bolt clamping.

[0011] Optionally, the elastic reset member comprises a tension spring arranged between adjacent locking blocks, and the two ends of the tension spring are fixedly connected with the upper ends of the adjacent locking blocks.

[0012] By adopting the above technical scheme, the tension spring is in a stretched state, and when the control member does not press the locking blocks, the upper ends of the plurality of locking blocks are rotated towards the axis of the connecting sleeve under the left and right tension of the tension spring, i.e., the lower ends of the locking blocks are rotated away from each other.

[0013] Optionally, the control member comprises a plurality of control rods sliding along the vertical direction on the outer periphery of the adapter sleeve, a second power member for driving the control rods to move downward, the control rods being located above the locking block; a guide slope is arranged on the upper end edge of the locking block, the control rods being capable of driving the upper end of the locking block to rotate in the direction away from the axis of the adapter sleeve when moving downward; the adapter sleeve is further provided with a first reset member for driving the locking block to slide upward.

[0014] By adopting the above technical scheme, when the control rods move downward, the lower end edge of the control rods can abut against the guide slope of the upper end of the locking block and drive the upper end of the locking block to rotate in the direction away from the axis of the adapter sleeve, so as to make the lower end of the locking block rotate in the opposite direction to clamp the nut; when the second power member stops pressing the control rods, the control rods can be reset under the action of the first reset member.

[0015] Optionally, a guide sliding block is fixedly arranged on the side surface of the control rod, and a guide sliding groove is arranged on the upper part of the outer peripheral surface of the adapter sleeve for the guide sliding block to insert and slide.

[0016] By adopting the above technical scheme, since the guide sliding block and the guide sliding groove are arranged in cooperation, the guide sliding block slides in the guide sliding groove synchronously when the control rod slides up and down, so as to improve the stability of the control rod in the up-and-down sliding.

[0017] Optionally, a fixing recess is arranged on the side surface of the guide sliding block facing the locking block, and the first reset member is a reset compression spring in a compressed state, the two ends of the reset compression spring being fixedly arranged on the bottom side of the fixing recess and the bottom side of the guide sliding groove respectively.

[0018] By adopting the above technical scheme, when the second power member stops pressing the control rods, the reset compression spring presses the guide sliding block due to the arrangement of the reset compression spring, so as to drive the control rod to move upward and reset.

[0019] Optionally, a limiting plate is fixedly arranged on the side surface of the vertical plate and located above the adapter sleeve, and a limiting through hole is arranged on the limiting plate for the central shaft to penetrate.

[0020] By adopting the above technical scheme, during the rotation of the central shaft, the central shaft penetrates the limiting through hole on the limiting plate due to the arrangement of the limiting plate, so as to improve the stability of the central shaft during the rotation.

[0021] Optionally, the second power member comprises a push plate located below the limiting plate and a power cylinder fixedly arranged on the upper side surface of the limiting plate, the extension rod of the power cylinder being fixedly connected to the upper side surface of the push plate after penetrating the limiting plate, the power cylinder being used for driving the push plate to move upward and downward.

[0022] By adopting the technical scheme, when the power cylinder operates, the push plate is driven to move up and down reciprocatingly, and the control rod below the push plate is extruded.

[0023] To sum up, the present application has at least one of the following beneficial technical effects:

[0024] 1. When the locking device operates, the connecting sleeve is first moved above the nut by the moving assembly, then the lower end of the locking block is driven to rotate by the control member, so that the nut is clamped; the clamped nut is moved above the corresponding screw rod by the moving assembly, then the center shaft, the connecting sleeve and the clamped nut are driven to rotate synchronously by the first power member, so that the nut is screwed on the screw rod; finally, the control member is reset and stops extruding the locking block, and the elastic reset member drives the locking block to reset. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0026] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0027] Figure 2 is a schematic diagram of the local structure of the embodiment of the present application, which shows the installation and cooperation of the first power member and the vertical plate;

[0028] Figure 3 is a schematic diagram of the local structure of the embodiment of the present application, which shows the installation and cooperation of the locking block;

[0029] Figure 4 is an exploded structural schematic diagram of the embodiment of the present application, which shows the installation and distribution of the control rod and the second power member;

[0030] Figure 5 is an exploded structural schematic diagram of the embodiment of the present application, which shows the installation and distribution of the control rod and the connecting sleeve.

[0031] In the diagram, 1. Vertical plate; 11. First power component; 12. Central shaft; 13. Connecting sleeve; 131. Guide groove; 132. Hinge shaft; 14. Limiting plate; 141. Limiting through hole; 15. Elastic reset component; 151. Tension spring; 16. First reset component; 161. Reset compression spring; 2. Bracket; 3. Moving assembly; 31. Crossbeam; 32. First driving component; 33. Sliding block; 34. Second driving component; 35. Third driving component; 4. Locking block; 41. Guide slope; 5. Control component; 51. Control rod; 511. Guide slope; 512. Guide slider; 5121. Fixed groove; 52. Second power component; 521. Push plate; 522. Power cylinder. Detailed Implementation

[0032] The present application will be further described in detail below with reference to all the accompanying drawings.

[0033] Example:

[0034] Reference Figure 1 , Figure 2 and Figure 3 A low-pressure porcelain bottle locking mechanism includes a vertical plate 1 and a bracket 2 for supporting the vertical plate 1. The bracket 2 is provided with a moving component 3 that drives the vertical plate 1 to slide in the vertical and horizontal directions. The side of the vertical plate 1 is provided with a central shaft 12 that rotates in the vertical direction. A first power component 11 that drives the central shaft 12 to rotate around its own axis is fixedly provided. The first power component 11 is a common motor. The output shaft of the motor is coaxially fixedly connected to the central shaft 12 through a coupling.

[0035] A connecting sleeve 13 is fixed on the outer periphery of the lower end of the central shaft 12. Three locking blocks 4 are evenly hinged on the outer periphery of the connecting sleeve 13 via a hinge shaft 132, and the rotation surface of the locking blocks 4 is parallel to the axis of the connecting sleeve 13. A control component 5 is provided on the vertical plate 1 to drive the lower ends of the locking blocks 4 to rotate simultaneously in a direction that moves closer to each other. When the lower ends of the three locking blocks 4 rotate towards each other, they can clamp the nut located below the connecting sleeve 13.

[0036] When the nut is screwed onto the corresponding screw, the connecting sleeve 13 is first moved above the nut, and the control component 5 drives the lower end of the locking block 4 to rotate in opposite directions, thereby clamping the nut; then the clamped nut is moved above the corresponding screw, and then the first power component 11 drives the central shaft 12, the connecting sleeve 13 and the clamped nut to rotate synchronously, so that the nut is screwed onto the screw.

[0037] Reference Figure 1 and Figure 2The number of the support 2 is two, and the support 2 is oppositely installed on the ground; the moving assembly 3 comprises a horizontal beam 31 slidably arranged on the support 2, a first driving member 32 fixedly arranged on the support 2 and used for driving the horizontal beam 31 to slide, a sliding block 33 slidably arranged on the horizontal beam 31 and used for sliding in the horizontal direction, a second driving member 34 fixedly arranged and used for driving the sliding block 33 to slide, and the vertical plate 1 is slidably arranged on the side surface of the sliding block 33 in the vertical direction; the third driving member 35 is fixedly arranged on the sliding block 33 and used for driving the vertical plate 1 to slide up and down.

[0038] The first driving member 32, the second driving member 34 and the third driving member 35 are all the combination structure of the conventional motor and screw rod, and details are not repeated here; the moving directions of the horizontal beam 31, the sliding block 33 and the vertical plate 1 are perpendicular to each other, so that the vertical plate 1 can move in the horizontal plane and the vertical plane.

[0039] With reference to Figure 3 and Figure 4 The control member 5 comprises three control rods 51 slidably arranged on the outer periphery of the adapter sleeve 13 in the vertical direction, a second power member 52 fixedly arranged and used for driving the control rod 51 to move downward, and the control rod 51 is located above the locking block 4; the upper end edge of the locking block 4 is provided with a guide inclined surface 41, and the lower end portion of the control rod 51 is provided with a guide inclined surface 511 capable of abutting against the guide inclined surface 41.

[0040] When the control rod 51 moves downward, the guide inclined surface 511 on the control rod 51 abuts against the guide inclined surface 41 on the upper end of the locking block 4, and drives the upper end of the locking block 4 to rotate away from the axis of the adapter sleeve 13, so that the lower end of the locking block 4 rotates towards each other to clamp the nut.

[0041] With reference to Figure 3 The adapter sleeve 13 is provided with an elastic reset member 15 used for driving the upper end portion of the locking block 4 to rotate towards each other, wherein the elastic reset member 15 comprises a tension spring 151 located between the adjacent locking blocks 4, the tension spring 151 is in a stretched state in a normal state, and the two end portions of the tension spring 151 are fixedly connected with the upper end portions of the adjacent locking blocks 4; when the second power member 52 stops pressing the control rod 51, the tension of the tension spring 151 drives the upper end of the locking block 4 to rotate towards each other and reset.

[0042] With reference to Figure 3 and Figure 4 The side surface of the vertical plate 1 is fixedly provided with a limiting plate 14 located above the adapter sleeve 13, wherein the limiting plate 14 is provided with a limiting through hole 141 for the center shaft 12 to penetrate, so as to limit the rotation of the center shaft 12 and improve the stability of the rotation of the center shaft 12.

[0043] The second power member 52 comprises a push plate 521 located below the limiting plate 14, two power cylinders 522 fixed to the upper side of the limiting plate 14, and the telescopic rods of the power cylinders 522 are fixedly connected to the upper side of the push plate 521 after penetrating through the limiting plate 14. When the power cylinders 522 operate, the push plate 521 can be driven to reciprocate up and down.

[0044] With reference to Figure 4 and Figure 5 A "T-shaped" guide sliding block 512 is integrally formed on the side of the control rod 51, and a guide sliding groove 131 is formed in the upper part of the outer circumferential surface of the connecting sleeve 13 for the insertion and sliding of the guide sliding block 512. The cross-sectional shape of the guide sliding block 512 is adapted to that of the guide sliding groove 131. A first reset member 16 is arranged on the connecting sleeve 13 for driving the locking block 4 to slide upward.

[0045] The first reset member 16 is a reset compression spring 161 in a compressed state. A fixed recess 5121 is formed on the side of the guide sliding block 512 facing the locking block 4. When the reset compression spring 161 is installed, the two ends of the reset compression spring 161 are abutted against the bottom side of the fixed recess 5121 and the bottom side of the guide sliding groove 131, respectively. When the second power member 52 stops pressing the control rod 51, the reset compression spring 161 presses the guide sliding block 512, thereby driving the control rod 51 to move upward and reset.

[0046] The implementation principle of the embodiment is as follows:

[0047] When the locking device operates, the connecting sleeve 13 is first moved above the nut, and then the control member 5 is used to drive the lower end of the locking block 4 to rotate towards each other, thereby clamping the nut. The clamped nut is moved above the corresponding screw rod, and then the first power member 11 is used to drive the central shaft 12, the connecting sleeve 13 and the clamped nut to rotate synchronously, so that the nut is screwed on the screw rod. Finally, the control member 5 is reset and stops pressing the locking block 4, and the elastic reset member 15 drives the locking block 4 to reset. The above steps are repeated to clamp and tighten the corresponding nut.

[0048] Unless otherwise defined, the terms used in the present application shall be understood as follows: the terms used in the present application should be understood as having the meanings commonly used by those skilled in the art to which the present application belongs, unless otherwise defined. The terms "first", "second", "third" and the like used in the present application do not represent any order, number or importance, but are only used to distinguish different components. The terms "one" or "a" and the like do not represent a quantity limitation, but represent the existence of at least one. The terms "including", "containing" and the like mean that the elements or objects before the terms "including" or "containing" cover the elements or objects listed after the terms "including" or "containing" and their equivalents, and do not exclude other elements or objects. The terms "upper", "lower", "left", "right" and the like only represent relative positional relationships, and when the absolute positions of the described objects are changed, the relative positional relationships may also be changed accordingly.

[0049] The embodiments of the present specific implementation are the preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are indicated by the same reference numerals. Therefore, any equivalent changes made in the structure, shape and principle of the present application should be covered by the protection scope of the present application.

Claims

1. A low voltage porcelain knob lock-on mechanism characterized by, The utility model provides a vertical plate (1), support (2) for supporting vertical plate (1), the support (2) is provided with the movement assembly (3) of taking vertical plate (1) along vertical and horizontal direction sliding, the side of vertical plate (1) is rotationally provided with central shaft (12), is fixed with the first power part (11) of taking central shaft (12) rotation around own axis, The outer circumferential surface of the lower end of the central shaft (12) is fixedly provided with a connecting sleeve (13), the outer circumferential surface of the connecting sleeve (13) is uniformly hinged with a plurality of locking blocks (4), the rotation surface of the locking block (4) is parallel to the axis of the connecting sleeve (13), the vertical plate (1) is provided with a control member (5) for simultaneously rotating the lower end of the locking block (4) in the same direction, the connecting sleeve (13) is provided with an elastic reset member (15) for rotating the lower end of the locking block (4) in opposite directions, and the lower end of the locking block (4) can clamp the nut below the connecting sleeve (13) when rotating in the same direction.

2. A low voltage porcelain pin locking mechanism according to claim 1, wherein The movement assembly (3) includes a cross beam (31) slidingly arranged on the support (2) in the horizontal direction, a first driving member (32) fixedly arranged on the support (2) and driving the cross beam (31) to slide, The cross beam (31) is slidingly provided with a sliding block (33) sliding in the horizontal direction, and a second driving member (34) is fixedly arranged and drives the sliding block (33) to slide, the vertical plate (1) is slidingly arranged on the side surface of the sliding block (33) in the vertical direction, and a third driving member (35) is fixedly arranged on the sliding block (33) and drives the vertical plate (1) to slide up and down.

3. A low voltage porcelain pin locking mechanism according to claim 1, wherein The elastic reset member (15) includes a tension spring (151) between adjacent locking blocks (4), the tension spring (151) is in a stretched state, and the two ends of the tension spring (151) are fixedly connected with the upper ends of the adjacent locking blocks (4).

4. The low voltage porcelain pin locking mechanism of claim 1, wherein, The control member (5) includes a plurality of control rods (51) slidingly arranged on the outer circumferential surface of the connecting sleeve (13) in the vertical direction, and a second power member (52) is fixedly arranged and drives the control rod (51) to move downward, the control rod (51) is located above the locking block (4); The upper end edge of the locking block (4) is provided with a guide inclined surface (41), the control rod (51) can drive the upper end of the locking block (4) to rotate away from the axis of the connecting sleeve (13) when moving downward along the guide inclined surface (41), and the connecting sleeve (13) is further provided with a first reset member (16) for driving the locking block (4) to slide upward.

5. A low-tension insulator locking mechanism according to claim 4, wherein The side surface of the control rod (51) is fixedly provided with a guide sliding block (512), and the upper part of the outer circumferential surface of the connecting sleeve (13) is provided with a guide sliding groove (131) for inserting and sliding the guide sliding block (512).

6. A low voltage porcelain pin locking mechanism according to claim 5, wherein The side surface of the guide sliding block (512) towards the locking block (4) is provided with a fixed recess (5121), the first reset member (16) is a reset compression spring (161) in a compressed state, and the two ends of the reset compression spring (161) are fixedly arranged on the bottom side of the fixed recess (5121) and the bottom side of the guide sliding groove (131).

7. A low voltage porcelain pin locking mechanism according to claim 4, wherein The side surface of the vertical plate (1) is fixed with a limiting plate (14) above the connecting sleeve (13), and the limiting plate (14) is provided with a limiting through hole (141) for the center shaft (12) to penetrate.

8. A low voltage porcelain pin locking mechanism according to claim 7, wherein The second power member (52) comprises a push plate (521) below the limiting plate (14) and a power cylinder (522) fixed to the side surface of the limiting plate (14), the telescopic rod of the power cylinder (522) is fixedly connected with the upper side surface of the push plate (521) after penetrating the limiting plate (14), and the power cylinder (522) is used for driving the push plate (521) to move up and down.

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