CN217086375U

CN217086375U - Positioning mechanism for winding of current transformer iron core

Info

Publication number: CN217086375U
Application number: CN202220608850.XU
Authority: CN
Inventors: 刘建中
Original assignee: Qingdao Power Transformer Co ltd
Current assignee: Qingdao Power Transformer Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-29
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a positioning mechanism for winding a current transformer iron core, which comprises a base and a positioning mechanism, two groups of side plates are fixedly arranged on the base, a motor is fixedly arranged on the side plates, the positioning mechanism is fixedly connected on an output shaft of the motor, the positioning mechanism comprises a first positioning plate and a second positioning plate which are fixedly connected through a locking assembly, the inner wall of the first positioning plate is provided with a groove, the inside of the groove is connected with a spring, one end of the spring is fixedly connected with a limiting plate, the utility model improves the positioning effect on the iron core, leads the iron core to be more stable and not easy to shake during winding, improves the winding effect, and the iron cores with various dimensions are conveniently positioned, the positioning mechanism does not need to be frequently replaced according to different iron cores, and the working efficiency and the application range of the positioning mechanism are improved.

Description

Positioning mechanism for winding of current transformer iron core

Technical Field

The utility model relates to a current transformer iron core wire winding technical field specifically is a be used for wire-wound positioning mechanism of current transformer iron core.

Background

The current transformer is an instrument for measuring by converting a large primary side current into a small secondary side current according to the electromagnetic induction principle. The current transformer is composed of a closed iron core and a winding. The primary side winding of the current transformer has few turns and is connected in a line of current to be measured in series, and when the current transformer works, a secondary side loop of the current transformer is always closed, so that the impedance of series coils of a measuring instrument and a protection loop is very small, the working state of the current transformer is close to short circuit, the current in the lines of power generation, power transformation, power transmission, power distribution and power consumption is greatly different, and the current transformer is suitable for several amperes to several tens of thousands of amperes. For the convenience of measurement, protection and control, conversion to a more uniform current is required, and in addition, the voltage on the line is generally higher, which is very dangerous if the direct measurement is carried out. The current transformer plays the role of current transformation and electric isolation.

A positioning effect that is used for current transformer iron core when the wire winding is not good to the iron core among the prior art, can take place to rock when leading to the iron core wire winding, influences the wire winding effect, and current positioning mechanism is not convenient for fix a position the iron core of multiple size specification, has reduced positioning mechanism's application scope, therefore we need propose a positioning mechanism who is used for the wire winding of current transformer iron core.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for wire-wound positioning mechanism of current transformer iron core has improved the location effect to the iron core, makes its more stable when the wire winding, is difficult for rocking, has improved wire-wound effect, and is convenient for fix a position the iron core of multiple size specification, does not need frequently to change positioning mechanism according to different iron cores, has improved work efficiency and positioning mechanism's application scope to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for wire-wound positioning mechanism of current transformer iron core, includes base and positioning mechanism, fixed mounting has two sets of curb plates on the base, fixed mounting has the motor on the curb plate, positioning mechanism fixed connection is on the output shaft of motor, positioning mechanism includes first locating plate and second locating plate, through locking Assembly fixed connection between first locating plate and the second locating plate, the inner wall of first locating plate is seted up flutedly, the internal connection of recess has the spring, the one end fixedly connected with limiting plate of spring, install the tight subassembly of supporting that is used for fixed iron core on the second locating plate.

Preferably, the locking assembly comprises a first fixing block arranged on the second positioning plate and a second fixing block arranged on the first positioning plate, and a positioning pin is connected between the first fixing block and the second fixing block.

Preferably, a through hole is formed in the first fixing block, a threaded blind hole is formed in the second fixing block, a threaded column is installed at the end of the positioning pin, the positioning pin is inserted into the through hole, and the threaded column is installed inside the threaded blind hole in a threaded mode.

Preferably, two sets of limit rings are installed on the locating pin, and a shifting piece is installed at the end part of the locating pin.

Preferably, a screw hole is formed in the second positioning plate, the abutting component comprises a screw rod arranged in the screw hole in a threaded mode, and a pressing plate is rotatably arranged at the end portion of the screw rod through a bearing.

Preferably, one side fixedly connected with of limiting plate inserts the post, the slot has been seted up to the inner wall of first limiting plate, it pegs graft in the inside of slot to insert the post.

Compared with the prior art, the beneficial effects of the utility model are that:

through the design of the positioning mechanism, the limiting plate, the locking assembly and the abutting assembly, the iron core abuts against the side part of the limiting plate, the limiting plate extrudes the spring, the iron core is positioned in the horizontal direction through the elasticity of the spring, the screw rod is screwed, the screw rod rotates to drive the pressing plate to move downwards until the pressing plate is abutted against the iron core, the iron core can be positioned in the vertical direction, the plectrum is twisted to drive the positioning pin to rotate, the positioning pin drives the threaded post to rotate and the thread is arranged in the threaded blind hole, the fixing of the first positioning plate and the second positioning plate is completed, the utility model improves the positioning effect of the iron core, leads the iron core to be more stable and not easy to shake during winding, improves the winding effect, and the iron cores with various dimensions are conveniently positioned, the positioning mechanism does not need to be frequently replaced according to different iron cores, and the working efficiency and the application range of the positioning mechanism are improved.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic structural view of the positioning mechanism, the locking assembly and the abutting assembly of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 4 is an exploded schematic view of the locking assembly of the present invention.

In the figure: 1. a base; 2. a side plate; 3. a motor; 4. a positioning mechanism; 41. a first positioning plate; 42. a second positioning plate; 5. a locking assembly; 51. a first fixed block; 52. a through hole; 53. a second fixed block; 54. a threaded blind hole; 55. positioning pins; 56. a limiting ring; 57. a shifting sheet; 58. a threaded post; 6. a propping component; 61. a screw; 62. pressing a plate; 63. a screw hole; 7. a limiting plate; 8. inserting a column; 9. a slot; 10. a groove; 11. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Referring to fig. 1-4, the present invention provides a technical solution: a positioning mechanism for winding of a current transformer iron core comprises a base 1 and a positioning mechanism 4, wherein two groups of side plates 2 are fixedly mounted on the base 1, a motor 3 is fixedly mounted on each side plate 2, the motor 3 is set to be a stepping motor, the positioning mechanism 4 is fixedly connected to an output shaft of the motor 3, namely the motor 3 drives the positioning mechanism 4 to rotate 180 degrees and then automatically stop, the positioning mechanism 4 comprises a first positioning plate 41 and a second positioning plate 42, the first positioning plate 41 and the second positioning plate 42 are fixedly connected through a locking assembly 5, and the first positioning plate 41 and the second positioning plate 42 are rotatably connected;

the locking assembly 5 comprises a first fixing block 51 mounted on the second positioning plate 42 and a second fixing block 53 mounted on the first positioning plate 41, a positioning pin 55 is connected between the first fixing block 51 and the second fixing block 53, the first fixing block 51 and the second fixing block 53 are limited by the positioning pin 55, the first positioning plate 41 and the second positioning plate 42 can be limited, a through hole 52 is formed in the first fixing block 51, a threaded blind hole 54 is formed in the second fixing block 53, the through hole 52 and the threaded blind hole 54 are aligned, a threaded post 58 is installed at the end of the positioning pin 55, the positioning pin 55 is inserted into the through hole 52, the threaded post 58 is installed in the threaded blind hole 54 in a threaded manner, two sets of limiting rings 56 are installed on the positioning pin 55, a shifting piece 57 is installed at the end of the positioning pin 55, the shifting piece 57 is screwed to drive the positioning pin 55 to rotate, and the positioning pin 55 drives the threaded post 58 to rotate and is installed in the threaded blind hole 54 in a threaded manner;

the inner wall of the first positioning plate 41 is provided with a groove 10, a spring 11 is connected inside the groove 10, one end of the spring 11 is fixedly connected with a limiting plate 7, the upper end of one side of the limiting plate 7 is provided with a cambered surface, elasticity through spring 11 carries out the location of horizontal direction to the iron core, one side fixedly connected with of limiting plate 7 inserts post 8, slot 9 has been seted up to the inner wall of first locating plate 41, insert the inside of post 8 pegging graft in slot 9, install on the second locating plate 42 and be used for fixed iron core to support tight subassembly 6, screw 63 has been seted up on the second locating plate 42, support tight subassembly 6 and include that the screw rod 61 in screw 63 is installed to the screw thread, clamp plate 62 is installed through bearing rotation to the tip of screw rod 61, install the rubber pad on the clamp plate 62, it is specific, screw rod 61 is twisted, screw rod 61 rotates and drives clamp plate 62 downstream, contradict on the iron core until clamp plate 62, can fix a position the iron core on vertical direction.

When the device is used, the second positioning plate 42 is rotated to an open state, the iron core is placed in the first positioning plate 41 and abutted against the side part of the positioning plate 7, the spring 11 is extruded by the positioning plate 7, the iron core is positioned in the horizontal direction through the elasticity of the spring 11, then the second positioning plate 42 is rotated again to a closed state, the positioning pin 55 is pushed, the shifting piece 57 is screwed to drive the positioning pin 55 to rotate, the positioning pin 55 drives the threaded column 58 to rotate and is arranged in the threaded blind hole 54 in a threaded manner, the first positioning plate 41 and the second positioning plate 42 are fixed, then the screw rod 61 is screwed, the screw rod 61 rotates to drive the pressing plate 62 to move downwards until the pressing plate 62 abuts against the iron core, the iron core can be positioned in the vertical direction, then the square wire core can be wound on the iron core, after one side of the wire core is wound, the motor 3 drives the positioning mechanism 4 to rotate 180 degrees, and the other side of the wire core is wound.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for wire-wound positioning mechanism of current transformer iron core, includes base (1) and positioning mechanism (4), its characterized in that: fixed mounting has two sets of curb plates (2) on base (1), fixed mounting has motor (3) on curb plate (2), positioning mechanism (4) fixed connection is on the output shaft of motor (3), positioning mechanism (4) include first locating plate (41) and second locating plate (42), through locking component (5) fixed connection between first locating plate (41) and second locating plate (42), the inner wall of first locating plate (41) is seted up flutedly (10), the internal connection of recess (10) has spring (11), the one end fixedly connected with limiting plate (7) of spring (11), install on second locating plate (42) and be used for fixed iron core to tight subassembly (6).

2. The positioning mechanism for winding the iron core of the current transformer according to claim 1, wherein: the locking assembly (5) comprises a first fixing block (51) installed on the second positioning plate (42) and a second fixing block (53) installed on the first positioning plate (41), and a positioning pin (55) is connected between the first fixing block (51) and the second fixing block (53).

3. The positioning mechanism for winding the iron core of the current transformer according to claim 2, wherein: the positioning device is characterized in that a through hole (52) is formed in the first fixing block (51), a threaded blind hole (54) is formed in the second fixing block (53), a threaded column (58) is installed at the end of the positioning pin (55), the positioning pin (55) is inserted into the through hole (52), and the threaded column (58) is installed inside the threaded blind hole (54) in a threaded mode.

4. The positioning mechanism for iron core winding of current transformer according to claim 3, characterized in that: two sets of limiting rings (56) are installed on the positioning pin (55), and a shifting piece (57) is installed at the end part of the positioning pin (55).

5. The positioning mechanism for winding the iron core of the current transformer as claimed in claim 1, wherein: screw holes (63) are formed in the second positioning plate (42), the abutting component (6) comprises a screw rod (61) which is installed in the screw holes (63) in a threaded mode, and a pressing plate (62) is installed at the end portion of the screw rod (61) in a rotating mode through a bearing.

6. The positioning mechanism for winding the iron core of the current transformer as claimed in claim 1, wherein: one side fixedly connected with of limiting plate (7) inserts post (8), slot (9) have been seted up to the inner wall of first limiting plate (41), insert post (8) and peg graft in the inside of slot (9).