CN210865840U - Transformer core fixing device - Google Patents

Abstract

The utility model discloses a transformer iron core fixing device, which comprises a bottom plate, a top plate and an iron core clamping mechanism, wherein the bottom plate is fixedly connected with the top plate through a support column, the upper surface of the bottom plate is provided with a first chute, and the lower surface of the top plate is provided with a second chute; the iron core clamping mechanism is slidably arranged in the first sliding groove and the second sliding groove through sliding blocks arranged at the upper end and the lower end; the iron core clamping mechanism comprises a fixed plate frame fixed with the upper end and the lower end of the iron core through a fixed plate; the bottom of the sliding block at the lower end of the fixed plate frame is clamped and positioned through the positioning assembly. When the iron core needs to be overhauled, only need with locating lever and constant head tank separation, pull out the iron core along the spout, just can realize the maintenance to the iron core, labour saving and time saving. After the overhaul finishes, push the iron core along the spout again, when the locating lever is relative to each other with the constant head tank position, the locating lever pops out automatically and inserts the constant head tank under the effect of spring force, realizes the fixed to the iron core, and operation process is simple.

Description

Transformer core fixing device

Technical Field

The utility model relates to a transformer technical field especially relates to a transformer core fixing device.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and an iron core is a main magnetic circuit part in the transformer and is generally formed by laminating hot-rolled or cold-rolled silicon steel sheets with high silicon content and insulating paint coated on the surfaces. The iron core and the coil wound on the iron core form a complete electromagnetic induction system, and the transmission power of the power transformer depends on the material and the cross section area of the iron core.

In the prior art, most transformer cores are fixedly installed through a large number of screws, and although the fixing effect can be achieved, the screws are easy to loosen after the transformer cores are used for a long time, so that the transformer cores need to be periodically checked and maintained, a large amount of manpower and material resources are consumed, and the use cost is high; and when the transformer core needs to be maintained, the disassembly is time-consuming and labor-consuming, and inconvenience is brought to the maintenance of the transformer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a transformer core fixing device to solve the problem that above-mentioned prior art exists.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a transformer iron core fixing device, which comprises a bottom plate, a top plate and an iron core clamping mechanism, wherein the bottom plate is fixedly connected with the top plate through a support column, the upper surface of the bottom plate is provided with a first chute, and the lower surface of the top plate is provided with a second chute; the iron core clamping mechanism is slidably arranged in the first sliding groove and the second sliding groove through sliding blocks arranged at the upper end and the lower end;

the iron core clamping mechanism comprises a fixed plate frame fixed with the upper end and the lower end of the iron core through a fixed plate; the bottom of the sliding block at the lower end of the fixed plate frame is clamped and positioned through a positioning assembly; the positioning assembly comprises a positioning rod, a stop block fixedly connected to the bottom of the positioning rod and a pull rod fixedly connected to the bottom of the stop block; the bottom of the sliding block at the lower end of the fixed plate frame is provided with a positioning groove matched with the positioning rod, and the corresponding position of the first sliding groove is provided with a groove matched with the stop block; the pull rod extends out of the bottom plate through the through hole; and a spring is arranged in the groove and sleeved on the pull rod at the bottom of the stop block.

Preferably, the baffles on the two sides of the fixed plate frame are fixedly connected with insulating plates, the insulating plates are adhered with buffering cushions, and the buffering cushions are in clearance fit with the iron core.

Preferably, the height of the groove is greater than the sum of the heights of the stop block and the positioning rod.

Preferably, the fixing plate is provided with a mounting groove, and the mounting groove is matched with the iron core.

Preferably, a buffer pad is adhered to the bottom of the mounting groove.

Preferably, the fixing plate is a rubber plate.

Preferably, the tail end of the pull rod is fixedly connected with a pull ring.

Preferably, the lower surface of the bottom plate is fixedly connected with a base.

The utility model discloses a following technological effect: the utility model discloses a transformer core fixing device has all seted up the spout on bottom plate and roof, and the slider slidable mounting that iron core fixture set up through upper and lower both ends is in the spout to fix the iron core through two upper and lower fixed plates. Meanwhile, a groove is formed in the bottom of the sliding groove, a telescopic positioning rod is arranged in the groove, a positioning groove is formed in the sliding block, and the position of the sliding block is fixed by the aid of cooperation of the positioning groove and the positioning rod, so that the iron core is fixed. When the iron core needs to be overhauled, only need with locating lever and constant head tank separation, pull out the iron core along the spout, just can realize the maintenance to the iron core, labour saving and time saving. After the overhaul finishes, push the iron core along the spout again, when the locating lever is relative to each other with the constant head tank position, the locating lever pops out automatically and inserts the constant head tank under the effect of spring force, realizes the fixed to the iron core, and operation process is simple.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural view of the fixing state of the transformer core fixing device of the present invention;

fig. 2 is a schematic structural view of the transformer core fixing device in an unfixed state;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a schematic structural view of a fixing plate of the present invention;

wherein, 1 bottom plate, 2 roof, 3 support columns, 4 first spout, 5 second spouts, 6 sliders, 7 fixed sheet frames, 8 fixed plates, 9 iron cores, 10 grooves, 11 through holes, 12 pull rods, 13 pull rings, 14 stoppers, 15 springs, 16 locating rods, 17 locating grooves, 18 mounting grooves, 19 baffles, 20 insulation boards, 21 cushions, 22 bases.

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.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The utility model provides a transformer iron core fixing device, which comprises a bottom plate 1, a top plate 2 and an iron core clamping mechanism, wherein the bottom plate 1 is fixedly connected with the top plate 2 through a support column 3, a first chute 4 is arranged on the upper surface of the bottom plate 1, a base 22 is fixedly connected with the lower surface of the bottom plate 1, and a second chute 5 is arranged on the lower surface of the top plate 2; the iron core clamping mechanism is slidably arranged in the first sliding groove 4 and the second sliding groove 5 through sliding blocks 6 arranged at the upper end and the lower end; the iron core clamping mechanism comprises a fixed plate frame 7 fixed with the upper end and the lower end of an iron core 9 through a fixed plate 8; the bottom of the sliding block 6 at the lower end of the fixed plate frame 7 is clamped and positioned through a positioning component; the positioning assembly comprises a positioning rod 16, a stop block 14 fixedly connected to the bottom of the positioning rod 16 and a pull rod 12 fixedly connected to the bottom of the stop block 14; in order to facilitate the pulling out of the positioning assembly, a pull ring 13 is arranged at the tail end of a pull rod 12, a positioning groove 17 matched with the positioning rod 16 is formed in the bottom of a sliding block 6 at the lower end of the fixed plate frame 7, a groove 10 matched with the stop block 14 is formed in the corresponding position of the first sliding groove 4, and the height of the groove 10 is greater than the sum of the heights of the stop block 14 and the positioning rod 16; the pull rod 12 extends out of the bottom plate 1 through a through hole 11; a spring 15 is arranged in the groove 10, and the spring 15 is sleeved on the pull rod 12 at the bottom of the stop block 14.

In order to improve the fixing effect of the iron core 9, the insulating plates 20 are fixedly connected to the baffle plates 19 on the two sides of the fixing plate frame 7, the insulating plates 20 are adhered with the buffer cushions 21, and the buffer cushions 21 are in clearance fit with the iron core 9. The insulating plate 20 and the buffer pad 21 on the baffle 19 are used for extruding the iron core 9, so that the fixing effect on the iron core 9 is improved. Meanwhile, the buffer cushion 21 can generate a buffer damping effect on the iron core 9, so that the iron core 9 is prevented from being damaged by extrusion, and the working noise of the iron core 9 can be reduced.

Further optimize the scheme, for further improving the fixed effect of iron core 9, mounting groove 18 has been seted up on fixed plate 8, mounting groove 18 with iron core 9 looks adaptation, 18 bottoms of mounting groove are stained with and are stained with blotter 21, fixed plate 8 is the rubber slab. Utilize mounting groove 18 to carry out rigidity to iron core 9, prevent that iron core 9 from producing the displacement, 18 bottoms of mounting groove are stained with the blotter that glues and can improve iron core 9's antidetonation effect, prevent that the transformer from damaging iron core 9 in the vibrations that the transportation produced.

The utility model discloses a use as follows:

the utility model provides a transformer core fixing device utilizes locating component to realize fixing fixed sheet frame 7, and then realizes fixing iron core 9. When iron core 9 need overhaul, pulling rod 16 downwards through pull ring 13 at the end of pull rod 12, making locating rod 16 and constant head tank 17 separate, making fixed sheet frame 7 be in the non-stationary state, outwards pulling fixed sheet frame 7 this moment just can pull out fixing device with iron core 9 and overhaul, avoided the process of screw dismantlement, labour saving and time saving. After the overhaul finishes, pulling locating lever 16 downwards, make slider 6 on the fixed sheet frame 7 slide in the spout, spring 15 is in compression state this moment, unclamp locating lever 16 and push iron core 9 along the spout, when locating lever 16 and locating slot 17 position relative time, locating lever 16 is in the constant head tank 17 of popping out automatically under the effect of spring 15 elasticity and inserting, realizes the fixed with the location of iron core 9, and operation process is simple.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims (8)

1. The transformer iron core fixing device is characterized by comprising a bottom plate (1), a top plate (2) and an iron core clamping mechanism, wherein the bottom plate (1) and the top plate (2) are fixedly connected through a supporting column (3), a first sliding groove (4) is formed in the upper surface of the bottom plate (1), and a second sliding groove (5) is formed in the lower surface of the top plate (2); the iron core clamping mechanism is slidably arranged in the first sliding groove (4) and the second sliding groove (5) through sliding blocks (6) arranged at the upper end and the lower end;

the iron core clamping mechanism comprises a fixed plate frame (7) fixed with the upper end and the lower end of an iron core (9) through a fixed plate (8); the bottom of a sliding block (6) at the lower end of the fixed plate frame (7) is clamped and positioned through a positioning component; the positioning assembly comprises a positioning rod (16), a stop block (14) fixedly connected to the bottom of the positioning rod (16) and a pull rod (12) fixedly connected to the bottom of the stop block (14); the bottom of a sliding block (6) at the lower end of the fixed plate frame (7) is provided with a positioning groove (17) matched with the positioning rod (16), and the corresponding position of the first sliding groove (4) is provided with a groove (10) matched with the stop block (14); the pull rod (12) extends out of the bottom plate (1) through a through hole (11); a spring (15) is arranged in the groove (10), and the spring (15) is sleeved on a pull rod (12) at the bottom of the stop block (14).

2. The transformer core fixture according to claim 1, wherein: the iron core fixing structure is characterized in that insulating plates (20) are fixedly connected to baffle plates (19) on two sides of the fixing plate frame (7), buffering pads (21) are adhered to the insulating plates (20), and the buffering pads (21) are in clearance fit with the iron core (9).

3. The transformer core fixture according to claim 1, wherein: the height of the groove (10) is larger than the sum of the heights of the stop block (14) and the positioning rod (16).

4. The transformer core fixture according to claim 1, wherein: and the fixing plate (8) is provided with a mounting groove (18), and the mounting groove (18) is matched with the iron core (9).

5. The transformer core fixture according to claim 4, wherein: the bottom of the mounting groove (18) is adhered with a buffer pad (21).

6. The transformer core fixture according to claim 1 or 5, wherein: the fixing plate (8) is a rubber plate.

7. The transformer core fixture according to claim 1, wherein: the tail end of the pull rod (12) is fixedly connected with a pull ring (13).

8. The transformer core fixture according to claim 1, wherein: the lower surface of the bottom plate (1) is fixedly connected with a base (22).

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