CN215988371U

CN215988371U - Iron core clamp for transformer

Info

Publication number: CN215988371U
Application number: CN202122306085.4U
Authority: CN
Inventors: 孙冬
Original assignee: Shijiazhuang Shitong Power Equipment Co ltd
Current assignee: Shijiazhuang Shitong Power Equipment Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-08
Anticipated expiration: 2031-09-23

Abstract

The utility model relates to the technical field of transformer equipment, in particular to an iron core clamp for a transformer, which comprises a protective box, wherein the bottom end of the inner wall of the protective box is provided with a sliding groove, a sliding block is arranged inside the sliding groove, a left limiting ring and a right limiting ring are arranged inside the protective box, one ends of the left limiting ring and the right limiting ring are respectively provided with a connecting rod, one end of each connecting rod is provided with a hydraulic cylinder, the inner walls of the left limiting ring and the right limiting ring are respectively provided with an anti-skidding pad, the lower end of the protective box is provided with a telescopic rod, the lower end of the telescopic rod is provided with a supporting base, one end of the telescopic rod is provided with a positioning pin, the utility model fixes a transformer iron core through the left and right limiting rings, the connecting rod transmits the vibration of the left and right limiting rings to the hydraulic cylinder, the hydraulic cylinder absorbs the vibration, the stability of the transformer iron core is maintained, the working height of the protective box can be changed by adjusting the length of the telescopic rod, the ventilation window ensures the air flow inside and outside the protective box.

Description

Iron core clamp for transformer

Technical Field

The utility model relates to the technical field of transformer equipment, in particular to an iron core clamp for a transformer.

Background

The core is the main magnetic circuit part in the transformer. Usually made by stacking hot-rolled or cold-rolled silicon steel sheets containing silicon in a high content and coated with an insulating varnish on their surface. The iron core and the coil wound on the iron core form a complete electromagnetic induction system. The amount of power transmitted by the power transformer depends on the material and cross-sectional area of the core.

The windings and iron core of the transformer are the main components for transferring and transforming electromagnetic energy, and ensuring their operability is a concern. Statistics show that faults caused by iron core problems account for the third place in the total accidents of the transformer. The manufacturing department pays attention to the defects of the transformer core, and technical improvements are made in the aspects that the core can be grounded, the core grounding is monitored, and a point of grounding is ensured. The operating sector also refers to the detection and discovery of core faults to a considerable height.

There are the following problems:

the utility model aims to solve the problems that the existing transformer core clamp is often unstable when a transformer core is fixed, the stability of the transformer core is difficult to ensure when the clamp is vibrated, dust is easy to attract due to the fact that the transformer core works with electricity, and the working efficiency of the transformer core is influenced if the dust cannot be isolated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an iron core clamp for a transformer.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an iron core anchor clamps for transformer, includes the protective housing, the inner wall bottom of protective housing is provided with the spout, the inside of spout is provided with the slider, the inside of protective housing is provided with left spacing collar and right spacing collar, the one end of left side spacing collar and right spacing collar all is provided with the connecting rod, the one end of connecting rod is provided with the pneumatic cylinder, the inner wall of left side spacing collar and right spacing collar all is provided with the slipmat, the lower extreme of protective housing is provided with the telescopic link, the lower extreme of telescopic link is provided with the support base, the one end of telescopic link is provided with the locating pin, the upper end of telescopic link is provided with the buckle, the upper end of protective housing is provided with the ventilation window, the one end of ventilation window is provided with the dust cover, the one end of dust cover is provided with the filter screen.

As a further description of the above technical solution:

the length of spout is the same with the length of guard box, slider sliding connection is in the inside of spout, the width of slider is the same with the width of spout.

As a further description of the above technical solution:

the left limiting ring and the right limiting ring are in the shape of semicircular rings, the diameter of the left limiting ring is the same as that of the right limiting ring, and the center of the left limiting ring and the center of the right limiting ring are located on the same horizontal line.

As a further description of the above technical solution:

the number of the connecting rods is two, the two connecting rods are welded at one ends of the left limiting ring and the right limiting ring respectively, the other ends of the connecting rods are welded at one ends of the hydraulic cylinders, the number of the hydraulic cylinders is two, and the two sets of hydraulic cylinders are symmetrically arranged about the central line of the protective box.

As a further description of the above technical solution:

the welding of the upper end of telescopic link has the buckle, the telescopic link passes through the buckle joint at the lower extreme of protective housing, the quantity of telescopic link has two, two the telescopic link is about the bottom surface central line symmetrical arrangement of protective housing.

As a further description of the above technical solution:

the upper end of the supporting base is welded at the lower end of the telescopic rod, the length of the supporting base is the same as that of the protective box, and the supporting base is made of a steel plate.

As a further description of the above technical solution:

the quantity of ventilation window has two sets ofly, two sets of ventilation window is about the top surface central line symmetrical arrangement of guard box, every group the dust cover all has been welded to the one end of ventilation window, the one end welding of dust cover has the filter screen.

The utility model has the following beneficial effects:

according to the utility model, the transformer core is fixed by the left limiting ring in cooperation with the right limiting ring, the connecting rod transmits the vibration of the left limiting ring and the right limiting ring to the hydraulic cylinder, the hydraulic cylinder absorbs the vibration and maintains the stability of the transformer core, the working height of the protective box can be changed by adjusting the length of the telescopic rod, the height of the protective box can be kept unchanged by fixing the length of the telescopic rod by the positioning pin after the height is determined, the ventilation window ensures the air flow inside and outside the protective box, and the dust cover at one end of the ventilation window prevents dust from entering the protective box in cooperation with the filter screen.

Drawings

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

FIG. 2 is a schematic top view of the internal components of the shelter of the present invention;

FIG. 3 is a schematic view of a connection structure of the protection box and the supporting base according to the present invention.

Illustration of the drawings:

1. a protective box; 2. a chute; 3. a slider; 4. a left stop collar; 5. a right limit ring; 6. a connecting rod; 7. a hydraulic cylinder; 8. a non-slip mat; 9. a telescopic rod; 10. a support base; 11. positioning pins; 12. buckling; 13. a ventilation window; 14. a dust cover; 15. and (4) a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, an iron core fixture for a transformer comprises a protective box 1, a chute 2 is arranged at the bottom end of the inner wall of the protective box 1, a slide block 3 is arranged inside the sliding groove 2, a left limit ring 4 and a right limit ring 5 are arranged inside the protective box 1, one end of each of the left limiting ring 4 and the right limiting ring 5 is provided with a connecting rod 6, one end of each connecting rod 6 is provided with a hydraulic cylinder 7, the inner walls of the left limiting ring 4 and the right limiting ring 5 are both provided with anti-skid pads 8, the lower end of the protective box 1 is provided with a telescopic rod 9, the lower end of the telescopic rod 9 is provided with a supporting base 10, one end of the telescopic rod 9 is provided with a positioning pin 11, the upper end of the telescopic rod 9 is provided with a buckle 12, the upper end of the protective box 1 is provided with a ventilation window 13, one end of the ventilation window 13 is provided with a dust cover 14, and one end of the dust cover 14 is provided with a filter screen 15.

The length of the sliding chute 2 is the same as that of the protective box 1, the sliding block 3 is connected inside the sliding chute 2 in a sliding mode, the width of the sliding block 2 is the same as that of the sliding chute 3, the sliding block 3 is connected with a transformer iron core, and the position of the transformer iron core can be adjusted by moving the sliding block 3; the left limiting ring 4 and the right limiting ring 5 are semicircular, the diameter of the left limiting ring 4 is the same as that of the right limiting ring 5, the center of the left limiting ring 4 and the center of the right limiting ring 5 are positioned on the same horizontal line, and the position of the transformer core is fixed by the cooperation of the left limiting ring 4 and the right limiting ring 5; the number of the connecting rods 6 is two, the two connecting rods 6 are respectively welded at one end of the left limiting ring 4 and one end of the right limiting ring 5, the other end of each connecting rod 6 is welded at one end of each hydraulic cylinder 7, the two groups of hydraulic cylinders 7 are arranged in a symmetrical mode about the central line of the protective box 1, the vibration of the left limiting ring and the vibration of the right limiting ring are transmitted to the hydraulic cylinders 7 through the connecting rods 6, and the hydraulic cylinders 7 absorb the vibration to maintain the stability of the transformer core; the upper end of each telescopic rod 9 is welded with a buckle 12, the telescopic rods 9 are clamped at the lower end of the protective box 1 through the buckles 12, the number of the telescopic rods 9 is two, the two telescopic rods 9 are symmetrically arranged about the central line of the bottom surface of the protective box 1, the telescopic rods 9 are more convenient to mount and dismount through the buckles 12, and the length of each telescopic rod 9 can be adjusted to change the height of the protective box 1; the upper end of the supporting base 10 is welded at the lower end of the telescopic rod 9, the length of the supporting base 10 is the same as that of the protective box 1, the supporting base 10 is made of a steel plate, and the supporting base 10 is cooperated with the telescopic rod 9 to support the whole device; the quantity of ventilation window 13 has two sets ofly, two sets of ventilation window 13 is about the top surface central line symmetrical arrangement of protective housing 1, every group the dust cover 14 has all been welded to the one end of ventilation window 13, the one end welding of dust cover 14 has filter screen 15, guarantees the inside and outside air exchange of protective housing 1 through ventilation window 13, and dust cover 14 prevents in coordination with filter screen 15 that the dust from falling into protective housing 1 inside.

The working principle is as follows: be connected with transformer core through slider 3, remove slider 3 along spout 2 again and can adjust transformer core's position, left side spacing collar 4 cooperates with the position of 5 fixed transformer core of right spacing collar, connecting rod 6 will control the vibrations transmission of spacing collar for pneumatic cylinder 7, pneumatic cylinder 7 absorbs vibrations, maintain transformer core's stability, slipmat 8 increases about the frictional force between spacing collar and the transformer core, prevent transformer core landing, buckle 12 makes the installation and the dismantlement of telescopic link 9 more simple and convenient, the length of adjustable telescopic link 9 is with the height that changes protection case 1, support base 10 and cooperate telescopic link 9 to prop up whole device, ventilation window 13 guarantees the inside and outside air exchange dust cover of

protection case

1, 14 cooperate filter screen 15 to prevent that the dust from falling into protection case 1 inside.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a transformer iron core anchor clamps, includes protective housing (1), its characterized in that: the protective box is characterized in that a sliding groove (2) is arranged at the bottom end of the inner wall of the protective box (1), a sliding block (3) is arranged inside the sliding groove (2), a left limiting ring (4) and a right limiting ring (5) are arranged inside the sliding groove (2), a connecting rod (6) is arranged at one end of each of the left limiting ring (4) and the right limiting ring (5), a hydraulic cylinder (7) is arranged at one end of each of the connecting rods (6), anti-slip pads (8) are arranged on the inner walls of the left limiting ring (4) and the right limiting ring (5), a telescopic rod (9) is arranged at the lower end of the protective box (1), a supporting base (10) is arranged at the lower end of the telescopic rod (9), a positioning pin (11) is arranged at one end of the telescopic rod (9), a buckle (12) is arranged at the upper end of the telescopic rod (9), and a ventilation window (13) is arranged at the upper end of the protective box (1), one end of the ventilation window (13) is provided with a dust cover (14), and one end of the dust cover (14) is provided with a filter screen (15).

2. The iron core clamp for the transformer as claimed in claim 1, wherein: the length of spout (2) is the same with the length of protective housing (1), slider (3) sliding connection is in the inside of spout (2), the width of slider (3) is the same with the width of spout (2).

3. The iron core clamp for the transformer as claimed in claim 1, wherein: the shape of left side spacing collar (4) and right spacing collar (5) is half circular, the diameter of left side spacing collar (4) is the same with the diameter of right spacing collar (5), the center of left side spacing collar (4) is located same water flat line with the center of right spacing collar (5).

4. The iron core clamp for the transformer as claimed in claim 1, wherein: the quantity of connecting rod (6) has two, two connecting rod (6) weld respectively in the one end of left spacing collar (4) and right spacing collar (5), the other end welding of connecting rod (6) is in the one end of pneumatic cylinder (7), the quantity of pneumatic cylinder (7) has two sets ofly, two sets of pneumatic cylinder (7) are about the central line symmetrical arrangement of protective housing (1).

5. The iron core clamp for the transformer as claimed in claim 1, wherein: the welding of the upper end of telescopic link (9) has buckle (12), telescopic link (9) pass through buckle (12) joint at the lower extreme of protective housing (1), the quantity of telescopic link (9) has two, two telescopic link (9) are about the bottom surface central line symmetrical arrangement of protective housing (1).

6. The iron core clamp for the transformer as claimed in claim 1, wherein: the upper end of the supporting base (10) is welded at the lower end of the telescopic rod (9), the length of the supporting base (10) is the same as that of the protective box (1), and the supporting base (10) is made of a steel plate.

7. The iron core clamp for the transformer as claimed in claim 1, wherein: the quantity of ventilation window (13) has two sets ofly, two sets of ventilation window (13) are about the top surface central line symmetrical arrangement of protective housing (1), every group dust cover (14) have all been welded to the one end of ventilation window (13), the one end welding of dust cover (14) has filter screen (15).