CN220420400U - Pin pressing structure of iron yoke of delta-shaped reactor - Google Patents

Abstract

The utility model discloses a pin pressing structure of a delta-shaped reactor iron yoke, which belongs to the technical field of transformers and comprises pins, pin pressing fixing plates and pressing beams; the pressing beam is arranged on the surface of the iron yoke; the top that the pressure roof beam is located yoke side department is provided with two at least pressure nail fixed plates, presses the one end of nail fixed plate to fix on the pressure roof beam, presses the nail through pressing the tight yoke outside of nail fixed plate top. The iron yoke is prevented from shifting during transportation to influence the noise and other performances of the reactor, and manufacturing errors of the iron yoke and the pressing beam are absorbed through the pressing nail cushion block, so that the iron yoke is pressed. When the iron yoke is installed, the iron yoke is roughly positioned and falls on the pressing beam, and then the position of the iron yoke is finely adjusted by screwing one or more pressing nails, so that the position of the iron yoke is ensured to be accurate.

Description

Pin pressing structure of iron yoke of delta-shaped reactor

Technical Field

The utility model belongs to the technical field of transformers, and particularly relates to a pin pressing structure of a delta-shaped reactor iron yoke.

Background

As one of the essential basic devices in the power system, a reactor has been greatly developed under the push of technical progress. The delta-shaped reactor is used as one of the reactors, has the characteristics of less material consumption, low loss, low noise, low cost and the like, and is widely applied.

The body of the conventional delta-shaped reactor consists of an upper iron yoke, a lower iron yoke, an upper pressing beam, an iron core pancake, a coil and a screw rod for compression, wherein the iron yoke and the pressing beam are provided with 3 round holes forming an included angle of 120 degrees by taking the center of the iron yoke as a reference, a long screw rod is arranged in the middle of the round holes, the iron core pancake and the coil are sleeved again, and finally the screw rod is tightened, so that the body of the compressor forms a whole. In order to prevent noise caused by vibration, gaps are designed between the holes of the iron yoke and the screw, the iron yoke is possibly offset up and down due to impact force during transportation although the iron yoke is pressed, and the iron yoke is displaced to cause vibration and noise in the operation process of the reactor, so that other performances of the reactor are affected, and the reliability and safety of the reactor are reduced.

Disclosure of Invention

The iron yoke is displaced because of impact force in the transportation process, so that the reactor can generate vibration and noise in the operation process, other performances of the reactor are affected, and the reliability and safety of the reactor are reduced. According to the pin pressing structure of the iron yoke of the delta-shaped reactor, disclosed by the utility model, the iron yoke can be ensured not to shift during transportation to influence the noise and other performances of the reactor, and the manufacturing errors of the iron yoke and the pressing beam are absorbed through the pin pressing cushion block, so that the iron yoke is ensured to be pressed. And when the iron yoke is installed, the iron yoke is roughly positioned and falls on the pressing beam, and then the position of the iron yoke is finely adjusted by screwing one or more pressing nails, so that the position of the iron yoke is ensured to be accurate.

In order to achieve the above object, the present utility model provides the following technical solutions.

A pin pressing structure of a delta-shaped reactor iron yoke comprises a pin pressing structure, a pin pressing fixing plate and a pressing beam;

the pressing beam is arranged on the surface of the iron yoke; the top that the pressure roof beam is located yoke side department is provided with two at least pressure nail fixed plates, presses the one end of nail fixed plate to fix on the pressure roof beam, presses the nail through pressing the tight yoke outside of nail fixed plate top.

Optionally, the pressure roof beam is Y type pressure roof beam, and the three tip of pressure roof beam sets up with three iron yoke angle is relative respectively, and every top of pressure roof beam is provided with two pressure nail fixed plates relatively.

Optionally, a press nail cushion block is arranged between the press nail and the iron yoke; and a locking nut is arranged on the press nail.

Optionally, a groove is formed in the center of the pressing nail cushion block, and the groove is used for placing pressing nails.

Optionally, the material of the nail pressing cushion block is an epoxy phenolic glass cloth plate.

Optionally, a hole is formed at the other end of the press nail fixing plate, and the press nail passes through the hole to tightly press the iron yoke.

Optionally, the hole is a threaded hole.

Optionally, the press nail comprises a press nail bolt and a circular plate; the circular plate is arranged at one end of the nail pressing bolt, and a square block is arranged at the other end of the nail pressing bolt.

Optionally, the cross section of the circular plate is larger than the cross section of the screw pressing bolt.

Optionally, the edge of the circular plate is arc-shaped.

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

the utility model provides a triangular iron yoke nail pressing structure, which absorbs manufacturing errors of an iron yoke and a pressing beam through a nail pressing cushion block, ensures the pressing of the iron yoke, can finely adjust the position of the iron yoke when the iron yoke is installed, is difficult to accurately adjust the position of the iron yoke when the iron yoke is lifted, can slightly lift a lifting rope to bear force after the iron yoke falls on the pressing beam to be roughly positioned firstly, and finely adjusts the position of the iron yoke by screwing the pressing nail, so that the iron yoke can be positioned more accurately and fixed firmly. According to the utility model, the positions of the iron yokes are finely adjusted and positioned, so that the displacement generated during transportation of the iron yokes is limited, the vibration and noise generated in the running process of the reactor can be reduced, and the safety, reliability and stability of the reactor are improved. The device has the advantages of simple structure, convenient manufacture and installation, low cost and obvious effect while achieving the aim of safety and reliability.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. In the drawings:

fig. 1 is a schematic drawing of a pin pressing structure of a delta-shaped reactor iron yoke, wherein a is a front view of the pin pressing, and b is a P-direction view of the pin pressing;

fig. 2 is a schematic view of a press bolt structure of a delta-shaped reactor iron yoke, wherein a is a front view of the press bolt, and b is a P-direction view of the press bolt;

fig. 3 is a schematic diagram of a circular plate of a pin pressing structure of a delta-shaped iron yoke of the reactor, wherein a is a front view of the circular plate, and b is a P-direction view of the circular plate;

fig. 4 is a schematic diagram of a pin pressing cushion block of a pin pressing structure of a delta-shaped reactor iron yoke, wherein a is a front view of the pin pressing cushion block, and b is a top view of the pin pressing cushion block;

fig. 5 is a schematic diagram of welding a press-nail fixing plate of a press-nail structure of a delta-shaped reactor iron yoke;

FIG. 6 is a schematic diagram of the press-pin installation of the press-pin structure of the iron yoke of the delta-shaped reactor;

fig. 7 is an enlarged schematic view of the staple of fig. 6.

Wherein: 1 is a press nail; 11 is a square block; 12 is a press stud bolt; 13 is a circular plate; 2 is a press nail fixing plate; 21 is a hole; 3 is a lock nut; 4 is a nail pressing cushion block; 5 is a pressing beam; 51 is a press-nail fixing plate; an iron yoke 6; and a coil 7.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, shall fall within the scope of the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The utility model relates to a pin pressing structure of a delta-shaped reactor iron yoke, which comprises a pin pressing 1, a pin pressing fixing plate 2, a locking nut 3, a pin pressing cushion block 4 and a pressing beam 5.

The press beam 5 is provided on the surface of the yoke 6, and the other surface of the yoke 6 is provided with a coil 7.

The top that pressure roof beam 5 is located iron yoke 6 side department is provided with presses nail fixed plate 2, and here presses nail fixed plate 2 at least two, presses the one end of nail fixed plate 2 to fix on pressure roof beam 5, presses the other end of nail fixed plate 2 to be provided with hole 21, presses nail 1 to pass the outside of hole 21 top tight iron yoke 6.

The press beam 5 is a Y-shaped press beam, and three distal ends of the press beam 5 are disposed opposite to three yoke angles of the yoke 6, respectively. So that the top ends are in one-to-one correspondence with the yoke angles.

A press nail cushion block 4 is arranged between the press nail 1 and the iron yoke 6; the press nail 1 is provided with a lock nut 3. After the press nail 1 is tightly propped against the iron yoke 6 through the hole 21, the press nail 1 is locked by the lock nut 3, so that the press nail 1 is prevented from loosening.

According to the method, the iron yoke is ensured to be pressed tightly in the transportation process, so that the iron yoke is not shifted, vibration and noise generated in the operation process of the reactor are reduced, and the safety, reliability and stability of the reactor are improved.

The present application is described in detail below with reference to the accompanying drawings.

Referring to fig. 1, a in fig. 1 is a schematic view of a press nail 1, and b in fig. 1 is a P-direction view of the press nail 1. The press stud 1 comprises a square block 11, a press stud 12 and a circular plate 13.

The press stud 1 is a cylinder. One end of the press nail 1 is processed into a square block 11, the other end of the press nail 1 is processed into a press nail bolt 12, and the press nail bolt 12 and a circular plate 13 are welded together.

The press stud 1 can also be assembled with a separate press stud 12 by using a separate square block 11, and one end of the square block 11 is welded with one end of the press stud 12; the other end of the press stud 12 is welded to the circular plate 13.

The cross section of the circular plate 13 is larger than the cross section of the press stud 12.

Referring to fig. 2, fig. 2 a is a schematic view of the press stud 12, and fig. 2 b is a P-direction view of the press stud 12. The other end of the press stud 12 is provided with a square block 11, the cross section of the square block 11 must not be larger than that of the press stud 12, or the other end of the press stud 12 is made square, which aims to facilitate the operation of the wrench.

The other end of the press stud 12 may be formed in other shapes as required. The diameter of the screw pressing bolt 12 is calculated according to the weight of the body, and the length is adjusted according to the distance between the screw pressing fixing plate 2 and the wall of the iron luer and the oil tank. So that the application can be applied to reactors of various models.

Referring to fig. 3, a in fig. 3 is a schematic view of the circular plate 13, and b in fig. 3 is a P-direction view of the circular plate 13. The edge of the circular plate 13 is polished into a round angle, a center hole of the circular plate 13, and the circular plate 13 and the press stud 12 are welded through the center hole of the circular plate 13.

Referring to fig. 4, fig. 4 a is a schematic view of the press stud pad 4, and fig. 4 b is a top view of the press stud pad 4. The press nail cushion block 4 is square, a groove is formed in the center of the press nail cushion block 4 in cooperation with the circular plate 13, allowance is further formed in the press nail cushion block 4 on the basis of the required thickness, the fastening degree between the press beam and the iron yoke is conveniently adjusted through thinning the thickness of the press nail cushion block 4 in the later period, and the iron yoke is guaranteed to be firmly installed in the reactor.

Referring to fig. 5, a press-pin fixing plate 2 is provided at an end region of the press beam 5, the press-pin fixing plate 2 is fixed at an iron yoke side of the press beam 5, one end of the press-pin fixing plate 2 is fixed on the press beam 5, a hole 21 is provided in the other end region of the press-pin fixing plate 2, the hole 21 is a bolt hole, and the size of the hole 21 is set corresponding to the press-pin bolt 12.

Referring to fig. 6, the press beam 5 is Y-shaped, the center point of the press beam 5 coincides with the center point of the yoke 6, and the press beam 5 forms 3 120 ° angles with respect to the center point of the yoke 6.

The press beam 5 is arranged on the surface of the iron yoke 6, 3 coils 7 are arranged on the other surface of the iron yoke 6, and the iron yoke 6 is a delta-shaped reactor iron yoke. The three top ends of the press beam 5 correspond to the three corners of the iron yoke 6 respectively, two press nail fixing plates 2 are oppositely arranged at each top end of the press beam 5, and the press nails 1 penetrate through the press nail fixing plates 2 to fasten the iron yoke 6. The stability of the iron yoke 6 is ensured, and as the two press nails 1 are symmetrically arranged, the iron yoke 6 is roughly positioned and falls on the press beam when the iron yoke 6 is installed, and the position of the iron yoke is finely adjusted by screwing one or more press nails, so that the position accuracy of the iron yoke 6 is ensured.

Referring to fig. 7, the press nail 1 is arranged on one side of the iron yoke 6 through the press nail fixing plate 2, the press nail cushion block 4 is arranged between the press nail 1 and the iron yoke 6, the circular plate 13 on the press nail 1 is positioned in the groove of the press nail cushion block 4, the iron yoke 6 is pressed through the press nail cushion block 4, the press nail 1 controls the pressing degree of the iron yoke 6 through the hole 21, and after the press nail 1 is tightly pressed against the iron yoke 6, the lock nut 3 is used for locking, so that the press nail 1 is prevented from loosening. The press nail 1 passes through a hole 21 on the press nail fixing plate 2, and the press nail fixing plate 2 is positioned between the circular plate 13 and the locking nut 3.

The utility model has simple structure and convenient installation, can effectively fix the iron yoke, reduce the noise of the reactor and other performances of the reactor caused by the displacement of the iron yoke during transportation, can finely adjust the position of the iron yoke through the press nails after the iron yoke is roughly positioned on the press beams during installation of the iron yoke, and can absorb the manufacturing errors of the press beams and the iron yoke through adjusting the thickness of the press nail cushion block, thereby solving the problem that the iron yoke is displaced due to the impact force during transportation at low cost and further improving the performances of the reactor.

Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the applicant be deemed to have such subject matter not considered to be part of the disclosed subject matter.

The foregoing is a further elaboration of the present utility model, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, all shall be deemed to fall within the scope of the utility model as defined by the claims which are filed herewith.

Claims (10)

1. The iron yoke press-nail structure of the delta-shaped reactor is characterized by comprising a press-nail (1), a press-nail fixing plate (2) and a press beam (5);

the pressing beam (5) is arranged on the surface of the iron yoke (6); the end of the pressing beam (5) is provided with a pressing nail fixing plate (2), one end of the pressing nail fixing plate (2) is fixed on the pressing beam (5), and the pressing nail (1) tightly pushes against the outer side of the iron yoke (6) through the pressing nail fixing plate (2).

2. The iron yoke press-nail structure of the delta-shaped reactor according to claim 1, wherein the press beam (5) is a Y-shaped press beam, three top end parts of the press beam (5) are respectively opposite to three iron yoke angles, and two press-nail fixing plates (2) are oppositely arranged at each top end of the press beam (5).

3. The iron yoke press-nailing structure of the delta-shaped reactor according to claim 1 is characterized in that a press-nailing cushion block (4) is arranged between the press-nailing (1) and the iron yoke (6); the locking nut (3) is arranged on the pressing nail (1).

4. A delta-shaped reactor iron yoke press pin structure according to claim 3, characterized in that the center of the press pin cushion block (4) is provided with a groove for placing the press pin (1).

5. A pin pressing structure for iron yokes of delta-shaped reactors according to claim 3, characterized in that the pin pressing cushion block (4) is made of epoxy phenolic glass cloth plate.

6. The iron yoke press-nail structure of the delta-shaped reactor according to claim 1, wherein a hole (21) is formed in the other end of the press-nail fixing plate (2), and the press-nail (1) penetrates through the hole (21) to tightly press against the iron yoke (6).

7. The iron yoke nail structure of the delta-shaped reactor according to claim 6, wherein the hole (21) is a threaded hole.

8. The delta-shaped reactor iron yoke pressing nail structure according to claim 1, wherein the pressing nail (1) comprises a pressing nail bolt (12) and a circular plate (13);

the circular plate (13) is arranged at one end of the screw pressing bolt (12), and a square block (11) is arranged at the other end of the screw pressing bolt (12).

9. The delta-shaped reactor iron yoke press-pin structure according to claim 8, characterized in that the cross section of the circular plate (13) is larger than the cross section of the press-pin bolt (12).

10. The delta-shaped reactor iron yoke nail pressing structure according to claim 8, wherein the edge of the circular plate (13) is arc-shaped.