CN216648116U

CN216648116U - Positioning structure convenient for assembling on-load tap-changer bearing

Info

Publication number: CN216648116U
Application number: CN202123303633.4U
Authority: CN
Inventors: 卫兆华; 林邹; 向光亮; 毛作军; 王兴
Original assignee: Zunyi Changdian Switch Co ltd
Current assignee: Zunyi Changdian Switch Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-31
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a positioning structure convenient for assembling an on-load tap-changer bearing, which relates to the field of assembling of switch bearings and comprises a device body, wherein an installation column is fixedly connected to the center of the front surface of the device body, a fixed block is fixedly connected to the front surface of the installation column, a mounting groove is formed in the side edge of the fixed block, a placing groove is formed in the back surface of the mounting groove, a vacuum tank assembly is arranged in an inner cavity of the placing groove, clamping grooves are symmetrically formed in the centers of the front surface and the back surface of the vacuum tank assembly, bearings are arranged on the outer sides of the clamping grooves, a sliding groove is formed in the top of the device body, limiting grooves are symmetrically formed in the left side and the right side of the inner cavity of the sliding groove, a handle is arranged on the outer side of the limiting groove, and a sliding block is fixedly connected to one end of the handle. According to the positioning structure convenient for assembling the on-load tap-changer bearing, the connecting component can be replaced according to the sizes of the bearing and the vacuum tank component, so that the connecting component is adaptive, and the positioning structure is arranged, so that the installation is rapid.

Description

Positioning structure convenient for assembling on-load tap-changer bearing

Technical Field

The utility model relates to the field of assembly of switch bearings, in particular to a positioning structure convenient for assembly of an on-load tap-changer bearing.

Background

An on-load tap changer, which is a special switch for switching the tapping of a primary or secondary winding to adjust its output voltage under the condition of a transformer with a load, is generally composed of three major components, i.e., a driving mechanism, a selector and a diverter switch, or a driving mechanism and a selector switch, wherein the driving mechanism comprises a motor, a hand-operated mechanism, a brake, a counter, a position indicator, a small control switch and a set of complex transmission gears, and is used for operating the switch, the selector has no capability of switching on and off load current, the selector selects a tap under the condition of voltage without load current, the selector has no capability of switching on and off load current, the diverter switch has the capability of switching on and off load current, when the existing on-load tap changer is used for bearing assembly, the positioning structure is not equipped, so that the bearing and the component are difficult to install and time is consumed.

Therefore, it is desirable to provide a positioning structure for facilitating the assembly of the on-load tap-changer bearing to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a positioning structure convenient for assembling a bearing of an on-load tap-changer, which can effectively solve the problems in the background technology.

In order to realize the purpose, the utility model adopts the technical scheme that:

a positioning structure convenient for assembling a bearing of an on-load tap-changer comprises a device body, wherein a mounting column is fixedly connected in the center of the front surface of the device body, a fixed block is fixedly connected in the front surface of the mounting column, a mounting groove is formed in the side edge of the fixed block, a placing groove is formed in the back surface of the mounting groove, a vacuum tank assembly is arranged in an inner cavity of the placing groove, clamping grooves are symmetrically formed in the centers of the front surface and the back surface of the vacuum tank assembly, a bearing is arranged on the outer side of each clamping groove, a sliding groove is formed in the top of the device body, limiting grooves are symmetrically formed in the left side and the right side of the inner cavity of the sliding groove, a handle is arranged on the outer side of each limiting groove, a sliding block is fixedly connected to one end of the handle, limiting blocks are symmetrically and fixedly connected to the left side and the right side of the sliding block, a spring is arranged at one end of each limiting block, a threaded column is arranged at one end of each spring, one end of the threaded column is provided with a positioning block, and one end of the positioning block is provided with a movable groove.

Preferably, there are four fixed blocks, and the four fixed blocks are symmetrically and fixedly connected to the periphery of the front face of the mounting column.

Preferably, the number of the placing grooves is four, each placing groove is symmetrically formed in the center of the outer wall of the device body, and the vacuum tank assembly is matched with the placing grooves in size.

Preferably, eight bearings are provided, and each bearing is symmetrically attached to the center of the front surface and the back surface of each vacuum tank assembly.

Preferably, the spout has eight, every the spout symmetry is seted up at device body outer wall front all around and the back, the handle has eight, every the handle is close to the laminating of one side symmetry at device body center around device body outer wall front and back, the slider has eight, every the slider is kept away from one side symmetry fixed connection at device body center and is close to one side at device body center at every handle, the size looks adaptation of slider and spout, slider swing joint is at the inner chamber of spout, the size looks adaptation of stopper and spacing groove, stopper swing joint is in the inner chamber of spacing groove.

Preferably, the springs are eight, each spring is fixedly connected to the back of one end of each sliding block, the other end of each spring is fixedly connected to the inner cavity of the corresponding sliding groove, the threaded columns are eight and each threaded column is symmetrically and fixedly connected to the other end of each sliding block, the positioning blocks are in threaded connection with the threaded columns, the movable grooves are eight and are symmetrically arranged in the inner cavities of the placing grooves, the positioning blocks are matched with the movable grooves in size, the positioning blocks are matched with the clamping grooves in size, and the positioning blocks are movably connected to the inner cavities of the placing grooves through the movable grooves.

Advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1. this location structure convenient to on-load tap-changer bearing assembly through the mounting groove that sets up, can hang its inner chamber with the couple, when carrying the device body, can hoist it, and is difficult for hurting the subassembly of device body.

2. This location structure convenient to have assembly of load tap changer bearing through the spring that sets up, during the normality, can push away the slider towards the both ends of vacuum tank subassembly to drive the locating piece and can block into the inner chamber to the draw-in groove, when carrying out the installation to the vacuum tank subassembly, only need place the both ends of draw-in groove with the bearing, the inner chamber of placing the standing groove with the vacuum tank subassembly again can accomplish the installation location work to the bearing.

3. This location structure convenient to have assembly of load tap changer bearing, handle through removing the setting, can drive the slider and slide in the inner chamber of spout, when the slider slides, can drive the stopper and remove in the inner chamber of spout, can break away from the inner chamber of draw-in groove this moment, when needs carry out the change to the vacuum tank subassembly, take out the locating piece from the outer wall of screw thread post, take out the locating piece with new draw-in groove size looks adaptation, install it at the outer wall of screw thread post through the screw thread post, place the inner chamber of standing groove with the vacuum tank subassembly, place the both ends at the vacuum tank subassembly with the bearing, after loosening the handle, the spring can drive the locating piece card and accomplish the installation work to the inner chamber of draw-in groove.

Drawings

FIG. 1 is a schematic structural view of the front face of the present invention;

FIG. 2 is a schematic structural view of the device body of the present invention;

FIG. 3 is a schematic structural view of a vacuum tank assembly of the present invention;

fig. 4 is an expanded view of the threaded post of the present invention.

In the figure: 1. a device body; 2. mounting a column; 3. a fixed block; 4. mounting grooves; 5. a placement groove; 6. a vacuum canister assembly; 7. a card slot; 8. a bearing; 9. a chute; 10. a limiting groove; 11. a handle; 12. a slider; 13. a limiting block; 14. a spring; 15. a threaded post; 16. positioning blocks; 17. a movable groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-4, a positioning structure convenient for assembling a bearing of an on-load tap-changer comprises a device body 1, wherein a mounting column 2 is fixedly connected to the center of the front surface of the device body 1, four fixing blocks 3 are fixedly connected to the front surface of the mounting column 2, four fixing blocks 3 are symmetrically and fixedly connected to the periphery of the front surface of the mounting column 2, mounting grooves 4 are formed in the side edges of the fixing blocks 3, placing grooves 5 are formed in the back surfaces of the mounting grooves 4, vacuum tank assemblies 6 are arranged in the inner cavities of the placing grooves 5, four placing grooves 5 are arranged, each placing groove 5 is symmetrically formed in the center of the outer wall of the device body 1, the sizes of the vacuum tank assemblies 6 and the placing grooves 5 are matched, clamping grooves 7 are symmetrically formed in the centers of the front surface and the back surface of each vacuum tank assembly 6, bearings 8 are arranged on the outer sides of the clamping grooves 7, eight bearings 8 are arranged, each bearing 8 is symmetrically attached to the centers of the front surface and the back surface of each vacuum tank assembly 6, the top of the device body 1 is provided with a sliding chute 9, the left side and the right side of the inner cavity of the sliding chute 9 are symmetrically provided with limiting grooves 10, the outer side of each limiting groove 10 is provided with a handle 11, one end of each handle 11 is fixedly connected with a sliding block 12, the left side and the right side of each sliding block 12 are symmetrically and fixedly connected with limiting blocks 13, the number of the sliding chutes 9 is eight, each sliding chute 9 is symmetrically arranged on the front side and the back side of the periphery of the outer wall of the device body 1, the number of the handles 11 is eight, one side of each handle 11 close to the center of the device body 1 is symmetrically attached on the periphery of the front side and the back side of the outer wall of the device body 1, the number of the sliding blocks 12 is eight, one side of each sliding block 12 far away from the center of the device body 1 is symmetrically and fixedly connected on one side of each handle 11 close to the center of the device body 1, the sliding blocks 12 are matched with the size of the sliding chutes 9, the sliding blocks 12 are movably connected in the inner cavity of the sliding chute 9, the limiting grooves 13 are matched with the size of the limiting grooves 10, one end of stopper 13 is provided with spring 14, the one end of spring 14 is provided with screw thread post 15, the one end of screw thread post 15 is provided with locating piece 16, the one end of locating piece 16 is provided with movable groove 17, spring 14 has eight, the one end fixed connection of every spring 14 is at the back of slider 12 one end, the other end fixed connection of spring 14 is at the inner chamber of spout 9, screw thread post 15 has eight, every screw thread post 15 symmetry fixed connection is at the other end of every slider 12, locating piece 16 and screw thread post 15 threaded connection, movable groove 17 has eight, the inner chamber at standing groove 5 is seted up to every movable groove 17 symmetry, the size looks adaptation of locating piece 16 and movable groove 17, the size looks adaptation of locating piece 16 and draw-in groove 7, locating piece 16 is in the inner chamber of standing groove 5 through movable groove 17 swing joint.

It should be noted that, the utility model is a positioning structure convenient for assembling a bearing of an on-load tap-changer, when in use, a vacuum tank assembly 6 which needs to be installed in an inner cavity of a placing groove 5 is taken out, positioning blocks 16 are replaced according to the size of clamping grooves 7 at two ends of the vacuum tank assembly 6, the positioning blocks 16 are rotated and taken out from the outer wall of a threaded column 15, the positioning blocks 16 with corresponding sizes are taken out and installed on the outer wall of the threaded column 15, bearings 8 are placed at two ends of the vacuum tank assembly 6, two handles 11 move towards two ends to drive a sliding block 12 to move in the inner cavity of a sliding groove 9, the sliding block 12 drives a limiting block 13 to move in the inner cavity of the limiting groove 10, at the moment, the positioning blocks 16 retract to the inner cavity of the sliding groove 9 through a movable groove 17, the vacuum tank assembly 6 is placed in the inner cavity of the placing groove 5, the handles 11 are released, at the moment, a spring 14 pushes the limiting block 13 away, the sliding block 12 drives the positioning blocks 16 to be clamped in the inner cavity of the clamping grooves 7, the positioning and installation of the bearing 8 are completed, the hook is inserted into the inner cavity of the installation groove 4, and the device body 1 can be lifted for installation at the moment.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a location structure convenient to on-load tap-changer bearing assembly, includes device body (1), its characterized in that: the device comprises a device body (1), wherein a mounting column (2) is fixedly connected to the front center of the device body (1), a fixed block (3) is fixedly connected to the front side of the mounting column (2), a mounting groove (4) is formed in the side edge of the fixed block (3), a placing groove (5) is formed in the back surface of the mounting groove (4), a vacuum tank assembly (6) is arranged in an inner cavity of the placing groove (5), clamping grooves (7) are symmetrically formed in the center of the front surface and the back surface of the vacuum tank assembly (6), a bearing (8) is arranged on the outer side of each clamping groove (7), a sliding groove (9) is formed in the top of the device body (1), limiting grooves (10) are symmetrically formed in the left side and the right side of the inner cavity of the sliding groove (9), a handle (11) is arranged on the outer side of each limiting groove (10), a sliding block (12) is fixedly connected to one end of the handle (11), and limiting blocks (13) are symmetrically and fixedly connected to the left side and right side of the sliding block (12), the one end of stopper (13) is provided with spring (14), the one end of spring (14) is provided with screw thread post (15), the one end of screw thread post (15) is provided with locating piece (16), the one end of locating piece (16) is provided with movable groove (17).

2. The alignment structure for facilitating on-load tap-changer bearing assembly of claim 1, wherein: the number of the fixing blocks (3) is four, and the four fixing blocks (3) are symmetrically and fixedly connected to the periphery of the front surface of the mounting column (2).

3. The alignment structure for facilitating on-load tap-changer bearing assembly of claim 1, wherein: the device is characterized in that the number of the placing grooves (5) is four, each placing groove (5) is symmetrically arranged on the center of the outer wall of the device body (1), and the vacuum tank assembly (6) is matched with the placing grooves (5) in size.

4. The alignment structure for facilitating on-load tap-changer bearing assembly of claim 1, wherein: eight bearings (8) are arranged, and each bearing (8) is symmetrically attached to the center of the front surface and the center of the back surface of each vacuum tank assembly (6).

5. The alignment structure for facilitating on-load tap-changer bearing assembly of claim 1, wherein: spout (9) have eight, every spout (9) symmetry is seted up at device body (1) outer wall front and the back all around, handle (11) have eight, every one side symmetry laminating that handle (11) are close to device body (1) center is around device body (1) outer wall front and back, slider (12) have eight, every one side symmetry fixed connection that device body (1) center was kept away from in slider (12) is close to one side at device body (1) center in every handle (11), the size looks adaptation of slider (12) and spout (9), slider (12) swing joint is in the inner chamber of spout (9), the size looks adaptation of stopper (13) and spacing groove (10), stopper (13) swing joint is in the inner chamber of spacing groove (10).

6. The alignment structure for facilitating on-load tap-changer bearing assembly of claim 1, wherein: the utility model discloses a positioning device, including slider (12), locating piece (16), activity groove (17), movable groove (17), locating piece (16) and draw-in groove (7), spring (14) have eight, every the one end fixed connection of spring (14) is at the back of slider (12) one end, the other end fixed connection of spring (14) is at the inner chamber of spout (9), screw thread post (15) have eight, every screw thread post (15) symmetry fixed connection is at the other end of every slider (12), locating piece (16) and screw thread post (15) threaded connection, activity groove (17) have eight, every the inner chamber in standing groove (5) is seted up to activity groove (17) symmetry, the size looks adaptation of locating piece (16) and activity groove (17), the size looks adaptation of locating piece (16) and draw-in groove (7), locating piece (16) are in the inner chamber of standing groove (5) through activity groove (17) swing joint.