CN215342211U

CN215342211U - Anti-seismic lifting seat of transformer

Info

Publication number: CN215342211U
Application number: CN202121693995.6U
Authority: CN
Inventors: 邓连生
Original assignee: Changzhou Surun Machinery Co ltd
Current assignee: Changzhou Surun Machinery Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-12-28
Anticipated expiration: 2031-07-23

Abstract

The utility model relates to the technical field of transformers, and particularly provides an anti-seismic lifting seat of a transformer, which comprises a base, a barrel, a locking sleeve and a supporting seat, wherein the base and the barrel are in a circular tube shape, the barrel is inserted at the top end of the base, the locking sleeve is fixed on the outer wall of a joint of the barrel and the base, the locking sleeve comprises a main clamping sleeve and an auxiliary clamping sleeve, an auxiliary lug is arranged on the main clamping sleeve, an ear seat is arranged on the auxiliary clamping sleeve, pin holes which correspond to the ear seats one by one are formed in the auxiliary lug and the ear seat, the supporting seat is sleeved on the barrel, and the supporting seat is clamped with the top end of the locking sleeve. The lock sleeve is fixed base and barrel, has promoted the joint strength of base with the barrel, and the joint seam department at base and barrel is set up to the lock sleeve simultaneously, has promoted the leakproofness of base with the barrel, and barrel and lock sleeve support through the supporting seat, can effectively alleviate the vibrations of barrel and directly transmit partial impact force to the transformer surface through the supporting seat, have played the effect of sharing base atress, and then have promoted the joint strength of base.

Description

Anti-seismic lifting seat of transformer

Technical Field

The utility model relates to the field of transformers, in particular to an anti-seismic lifting seat of a transformer.

Background

The transformer generally comprises an iron core, a coil, a box filled with mineral oil, an oil conservator, a rising seat, a radiator, ceramic sleeves with different voltage levels and other components, and in daily use or earthquake and the like, the transformer is damaged due to frequent temperature and humidity changes, resonance and the influence of natural disasters in the daily operation process, and the main damage form of the transformer is the damage of the ceramic sleeves. In the transformer, the ceramic bushing is generally designed as a whole with the lifting seat, the lifting seat is fixed on the surface of a transformer box body, when the transformer vibrates, the bushing and the lifting seat integrally swing and vibrate around the root of the lifting seat, and when the natural frequency of the bushing and the frequency of an earthquake coincide, the lifting seat can vibrate to cause the root of the lifting seat to break, so that the ceramic bushing is broken integrally, dislocated, leaked oil, and the root of the ceramic bushing is crushed locally, and the like.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to solve the problem of stability of the lifting seat, the utility model provides an anti-seismic lifting seat of a transformer to solve the problem.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an antidetonation seat that rises of transformer, includes base, barrel, lock sleeve and supporting seat, the base with the barrel is the pipe form, the base with the internal diameter and the wall thickness of barrel are the same, the barrel is pegged graft on the top of base, the barrel with base sealing connection, the internal diameter of lock sleeve with the external diameter of base is the same, the lock sleeve is fixed the barrel with on the outer wall of the seam crossing of base, the lock sleeve includes main cutting ferrule and vice cutting ferrule, main cutting ferrule has the appendage, vice cutting ferrule has on has with appendage complex ear seat, appendage with set up the pin hole of one-to-one correspondence on the ear seat, the pin penetrates to carry out the location chucking to main cutting ferrule and vice cutting ferrule in the pin hole, the supporting seat cover is established on the barrel, the supporting seat with the top block of lock sleeve.

Preferably, a sealing seat is arranged at the joint of the cylinder and the base, the inner diameter of the sealing seat is the same as the outer diameter of the base, and a ring seat used for being abutted against the sealing seat is arranged on the base.

Preferably, the inner wall of the locking sleeve is provided with a ring groove clamped with the sealing seat and the ring seat, the ring groove is internally provided with an inner inclined surface, and the sealing seat and the ring seat are provided with outer inclined surfaces used for being abutted against the inner inclined surfaces.

Preferably, the main ferrule and the auxiliary ferrule further have a damping cavity therein, and the damping cavity is filled with a damping material.

Preferably, the sealing device further comprises a first sealing ring and a second sealing ring, the first sealing ring is arranged on the end face of the top end of the base, and the second sealing ring is arranged on the upper surface of the ring seat.

Preferably, the supporting seat includes the ring cover and centers on a plurality of bracing pieces that the ring cover set up, the one end of bracing piece with ring cover fixed connection, the ring cover with the barrel with lock sleeve fixed connection, the ring cover has first inner wall and second inner wall, first inner wall cover is established on the barrel and with the outer wall laminating of barrel, the second inner wall cover is established lock sleeve and with the outer wall laminating of lock sleeve.

Preferably, the top edge of the base is further provided with a guide inclined plane.

The base and the barrel are fixed through the locking sleeve, so that the connection strength of the base and the barrel is improved, meanwhile, the locking sleeve is arranged at the joint of the base and the barrel, the sealing performance of the base and the barrel is improved, the barrel and the locking sleeve are supported through the supporting seat, the vibration of the barrel can be effectively relieved, part of impact force is directly transmitted to the surface of a transformer through the supporting seat, the effect of sharing the stress of the base is achieved, and the connection strength of the base is improved.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a preferred embodiment of an anti-seismic lifting mount for a transformer of the present invention;

FIG. 2 is an exploded view of an anti-seismic riser of a transformer of the present invention;

FIG. 3 is a front view of an anti-seismic riser of a transformer of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a schematic structural view of the barrel and base of the shock resistant riser of the transformer of the present invention;

FIG. 6 is a schematic structural diagram of a locking sleeve of an anti-seismic lifting seat of a transformer according to the present invention;

fig. 7 is a schematic structural diagram of a supporting seat of an anti-seismic lifting seat of a transformer according to the present invention.

In the figure, the support comprises a base 1, a base 2, a cylinder body 3, a locking sleeve 4, a support base 201, a sealing base 202, a ring base 203, a first sealing ring 204, a second sealing ring 301, a main clamping sleeve 302, an auxiliary clamping sleeve 303, an auxiliary lug 304, a lug base 305, a pin hole 306, a ring groove 307, an inner inclined plane 308, an outer inclined plane 309, a damping cavity 401, a ring sleeve 402, a support rod 403, a first inner wall 404, and a second inner wall.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and 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 therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 7, the present invention provides an embodiment of an anti-seismic lifting seat for a transformer, including a base 1, a barrel 2, a locking sleeve 3 and a supporting seat 4, where the base 1 and the barrel 2 are in a circular tube shape, the base 1 is fixed on the surface of the transformer by screws or directly welded on the surface of the transformer, the inner diameters and wall thicknesses of the base 1 and the barrel 2 are the same, the barrel 2 is inserted into the top end of the base 1, the base 1 is reinforced by a structure in which the barrel 2 is separated from the base 1, and a guiding inclined plane 101 is further provided at the top end edge of the base 1 for guiding when the barrel 2 is inserted into the base 1.

The joint of the cylinder 2 and the base 1 is welded with a sealing seat 201, the inner diameter of the sealing seat 201 is the same as the outer diameter of the base 1, the base 1 is welded with a ring seat 202 which is used for being abutted against the sealing seat 201, after the cylinder 2 is connected with the base 1, the inner wall of the sealing seat 201 is attached to the outer wall of the base 1, the end surface of the sealing seat 201 is abutted against the ring seat 202, namely, a gap between the cylinder 2 and the base 1 is sealed through the sealing seat 201 and the ring seat 202, meanwhile, the sealing seat 201 can also support and reinforce the joint of the cylinder 2 and the base 1 to prevent the cylinder 2 from being separated from the base 1 due to vibration, the sealing device also comprises a first sealing ring 203 and a second sealing ring 204, the first sealing ring 203 is arranged on the end surface of the top end of the base 1, the second sealing ring 204 is arranged on the upper surface of the ring seat 202, after the cylinder 2 is connected with the base 1, the gap between the bottom surface of the cylinder 2 and the top end of the base 1 is sealed through the first sealing ring 203, the gap between the sealing seat 201 and the ring seat 202 is sealed by the second sealing ring 204, so that the cylinder 2 and the base 1 are connected in a sealing manner.

The inner diameter of the locking sleeve 3 is the same as the outer diameter of the base 1, the locking sleeve 3 is fixed on the outer wall of the joint of the barrel 2 and the base 1, the locking sleeve 3 comprises a main clamping sleeve 301 and an auxiliary clamping sleeve 302, the main clamping sleeve 301 is provided with an auxiliary lug 303, the auxiliary clamping sleeve 302 is provided with an ear seat 304 matched with the auxiliary lug 303, the auxiliary lug 303 and the ear seat 304 are provided with pin holes 305 corresponding to each other one by one, pins penetrate into the pin holes 305 to position and clamp the main clamping sleeve 301 and the auxiliary clamping sleeve 302, the main clamping sleeve 301 and the auxiliary clamping sleeve 302 are connected through the auxiliary lug 303 and the ear seat 304, so that the main clamping sleeve 301 and the auxiliary clamping sleeve 302 can be installed in place, the inner wall of the locking sleeve 3 is provided with a ring groove 306 clamped with the sealing seat 201 and the ring seat 202, the ring groove 306 is provided with an inner inclined surface 307, the sealing seat 201 and the ring seat 202 are provided with an outer inclined surface 308 used for abutting against the inner inclined surface 307, the main clamping sleeve 301 and the auxiliary clamping sleeve 302 are also provided with a shock absorption cavity 309, the damping cavity 309 is filled with damping materials to absorb impact force and vibration on the main clamping sleeve 301 and the auxiliary clamping sleeve 302, so that the strength of the locking sleeve 3 is improved;

the installation method of the locking sleeve 3 comprises the following steps: firstly, connecting the cylinder body 2 with the base 1, then clamping the main clamping sleeve 301 and the auxiliary clamping sleeve 302 on the outer walls of the cylinder body 2 and the base 1, enabling the sealing seat 201 and the ring seat 202 to fall into the ring groove 306, enabling the lug 303 to be lapped on the lug seat 304 at the moment, enabling the pin to penetrate into the pin hole 305 on the lug 303 and the lug seat 304 for positioning, welding the pin in the pin hole 305, preventing the pin from falling off, enabling the main clamping sleeve 301 and the auxiliary clamping sleeve 302 to be completely clamped in place, during the clamping process of the main clamping sleeve 301 and the auxiliary clamping sleeve 302, pushing the outer inclined surface 308 on the sealing seat 201 and the ring seat 202 through the inner inclined surface 307 in the ring groove 306, enabling the sealing seat 201 and the ring seat 202 to move oppositely until the first sealing ring 203 and the second sealing ring 204 are completely pressed, further realizing the locking of the cylinder body 2 and the base 1, finally welding the upper end surface of the locking sleeve 3 with the outer wall of the cylinder body 2, and welding the lower end surface of the locking sleeve 3 with the outer wall of the base 1, the fixing of the locking sleeve 3 is completed. Support and fix barrel 2 and base 1 through lock sleeve 3, effectively promoted the joint strength between barrel 2 and the base 1, lock seat 3 wraps up barrel 2 and base 1 junction, has further improved the leakproofness after barrel 2 is connected with base 1, when welding, also can effectively avoid welding operation to damage first sealing washer 203 and second sealing washer 204 and lead to sealed the inefficacy.

The supporting seat 4 is sleeved on the cylinder body 2, the supporting seat 4 is clamped with the top end of the locking sleeve 3, the supporting seat 4 comprises a ring sleeve 401 and a plurality of supporting rods 402 arranged around the ring sleeve 401, the ring sleeve 401 is fixedly connected with the cylinder body 2 and the locking sleeve 3, the ring sleeve 401 is provided with a first inner wall 403 and a second inner wall 404, the first inner wall 403 is sleeved on the cylinder body 2 and is attached to the outer wall of the cylinder body 2, the second inner wall 404 is sleeved on the top end of the locking sleeve 3 and is attached to the outer wall of the locking sleeve 3, namely, the main clamping sleeve 301 and the auxiliary clamping sleeve 302 are further pressed on the cylinder body 2 through the ring sleeve 401, the connecting strength of the main clamping sleeve 301 and the auxiliary clamping sleeve 302 and the cylinder body 2 is improved, one end of the supporting rod 402 is fixedly connected with the ring sleeve 401 through a screw or directly welded on the ring sleeve 401, the other end of the supporting rod 402 is fixed on the surface of the transformer through a screw or directly welded and fixed with the surface of the transformer, after the ring sleeve 401 is fixed, can realize the support to barrel 2, when barrel 2 vibrations, bracing piece 402 absorbs partial vibrations and directly transmits the surface to the transformer, and then reduces the vibrations and the swing range of barrel 2, has effectively shared the impact and the vibrations of transmitting to the junction on base 1 and transformer surface, promotes joint strength.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, a schematic representation of terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An antidetonation seat that rises of transformer which characterized in that: including base, barrel, lock sleeve and supporting seat, the base with the barrel is the pipe form, the base with the internal diameter and the wall thickness of barrel are the same, the barrel is pegged graft the top of base, the barrel with base sealing connection, the internal diameter of lock sleeve with the external diameter of base is the same, the lock sleeve is fixed the barrel with on the outer wall of the seam crossing of base, the lock sleeve includes main cutting ferrule and vice cutting ferrule, the main cutting ferrule has the appendage on the sleeve, the vice cutting ferrule has with appendage complex ear seat, the appendage with set up the cotter hole of one-to-one on the ear seat, the pin penetrates to carry out the location chucking to main cutting ferrule and vice cutting ferrule in the cotter hole, the supporting seat cover is established on the barrel, the supporting seat with the top block of lock sleeve.

2. An anti-seismic elevated mount for a transformer according to claim 1, wherein: the barrel with the junction of base has the seal receptacle, the internal diameter of seal receptacle with the external diameter of base is the same, have on the base be used for with the ring seat of seal receptacle butt.

3. An anti-seismic elevated mount for a transformer according to claim 2, wherein: the inner wall of lock sleeve seted up with the seal receptacle with the annular of ring seat block, interior inclined plane has in the annular, the seal receptacle with have on the ring seat be used for with the outer inclined plane of interior inclined plane butt.

4. An anti-seismic elevated mount for a transformer according to claim 3, wherein: the main clamping sleeve and the auxiliary clamping sleeve are also internally provided with a damping cavity, and damping materials are filled in the damping cavity.

5. An anti-seismic elevated mount for a transformer according to claim 4, wherein: still include first sealing washer and second sealing washer, first sealing washer sets up on the terminal surface on the top of base, the second sealing washer sets up the upper surface of ring seat.

6. An anti-seismic elevated mount for a transformer according to claim 5, wherein: the supporting seat comprises a ring sleeve and a plurality of supporting rods, the supporting rods are arranged around the ring sleeve, one ends of the supporting rods are fixedly connected with the ring sleeve, the ring sleeve is fixedly connected with the barrel and the locking sleeve, the ring sleeve is provided with a first inner wall and a second inner wall, the first inner wall is sleeved on the barrel and is attached to the outer wall of the barrel, and the second inner wall is sleeved on the locking sleeve and is attached to the outer wall of the locking sleeve.

7. An anti-seismic elevated mount for a transformer according to claim 6, wherein: the top edge of base still is provided with the direction inclined plane.