CN216975656U

CN216975656U - Damping base for transformer

Info

Publication number: CN216975656U
Application number: CN202123344112.3U
Authority: CN
Inventors: 李含章; 蒋利川
Original assignee: Chengdu Yibian Transformer Co ltd
Current assignee: Chengdu Yibian Transformer Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-15
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a damping base for a transformer, which comprises a damping base, wherein the damping base is used for supporting the transformer; the damping base comprises a damping upper plate, a damping lower plate and at least four groups of damping supporting devices, one end of each damping supporting device is fixedly arranged on the damping upper plate, the other end of each damping supporting device is fixedly arranged on the damping lower plate, at least one positioning hole is formed in the damping upper plate, a positioning pile is arranged at the bottom of the transformer and is arranged in the positioning hole, the positioning pile is provided with an internal thread groove, and the transformer is connected with the damping upper plate in a detachable mode after being in threaded connection with the internal thread groove through a countersunk bolt; the damping support device comprises a support cylinder, a buffer piston, a pressure reducing spring, a first buffer spring, a sleeve, a support column and a second buffer spring; the utility model provides a damping base for a transformer, and aims to solve the problem that the damping base for the transformer is poor in buffering effect in the transportation process.

Description

Damping base for transformer

Technical Field

The utility model relates to the technical field of shock absorption, in particular to a shock absorption base for a transformer.

Background

A Transformer (Transformer) is a device that changes an alternating voltage by using the principle of electromagnetic induction, and its main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like.

Transformers can be classified according to their use: distribution transformers, power transformers, fully enclosed transformers, combination transformers, dry transformers, oil immersed transformers, single phase transformers, electric furnace transformers, rectifier transformers, reactors, anti-interference transformers, lightning protection transformers, box type transformer testing transformers, corner transformers, high current transformers, excitation transformers, etc. The transformer is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like. About 1700 thousands of transformers run in the network in China, and the total capacity is about 110 hundred million kilovolt-ampere. The transformer loss accounts for about 40% of the power loss of power transmission and distribution, and has great energy-saving potential. In order to accelerate the popularization and application of the high-efficiency energy-saving transformer, improve the utilization efficiency of energy resources, promote the development of green, low carbon and high quality, in 1 month 2021, the ministry of industry and informatization, the general bureau of market supervision and energy agency of China jointly make "transformer energy efficiency promotion plan (2021-2023 years)

The building shock absorption (structure energy dissipation shock absorption technology) is characterized in that energy dissipation devices are arranged at certain parts (such as supports, shear walls, connecting joints or connecting pieces) of a structure, and the energy input into the structure by the earthquake is dissipated or absorbed by the friction, bending (or shearing or torsion) and elastic-plastic (or viscoelasticity) hysteresis deformation generated by the devices so as to reduce the earthquake reaction of the main structure, thereby avoiding the structure from being damaged or collapsed and achieving the purpose of shock absorption control.

The transformer damping assembly in the prior art has poor damping effect during transformer transportation, cannot realize multi-stage speed reduction, and has high possibility of causing safety accidents due to transformer collapse if the damping effect is poor because the gravity of the transformer is large and the transformer generates inertia during transportation.

The application numbers are: cn202121415674.x, publication no: CN 215110292U's utility model discloses a transformer shock absorber, a serial communication port, including last loading board and lower loading board, it is provided with the spliced pole to go up between loading board and the lower loading board, be provided with damping spring on the spliced pole, damping spring's both ends respectively with go up loading board and lower loading board contact, it is provided with the locating hole to run through on four corners of going up the loading board, spliced pole fixed connection be in the locating hole, the locating hole with the spliced pole sets up with the axle center. According to the transformer, the connecting column and the damping spring are arranged below the positioning hole in the upper bearing plate, and the positioning hole is used for fixing the transformer and is generally fixed through fasteners such as bolts and the like, so that the vibration intensity of the positioning hole is obviously higher than that of other positions, and the connecting column and the damping spring are arranged at the corresponding position of the positioning hole, so that the vibration intensity can be obviously reduced, and the normal use of the transformer is ensured;

the specification discloses a transformer shock absorber, but in actual use, the middle position between an upper bearing plate and a lower bearing plate has no buffer, and the shock absorption effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a damping base for a transformer, and aims to solve the problem that the damping base is poor in buffering effect during transportation of the existing transformer.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

a damping base for a transformer comprises the transformer and the damping base, wherein the transformer is arranged on the damping base;

the damping base comprises a damping upper plate, a damping lower plate and at least four groups of damping supporting devices, one end of each damping supporting device is fixedly arranged on the damping upper plate, the other end of each damping supporting device is fixedly arranged on the damping lower plate, at least one positioning hole is formed in the damping upper plate, a positioning pile is arranged at the bottom of the transformer and is arranged in the positioning hole, the positioning pile is provided with an internal thread groove, and the transformer is connected with the damping upper plate in a detachable mode after being in threaded connection with the internal thread groove through a countersunk bolt;

the damping support device comprises a support cylinder, a buffer piston and a pressure reducing spring, first buffer spring, sleeve, support column and second buffer spring, relief spring and first buffer spring set up in the inside of a support section of thick bamboo, and a support section of thick bamboo is fixed to be set up on the shock attenuation hypoplastron, and buffer piston fixed mounting is in the bottom of buffering upper plate, buffer piston with a support section of thick bamboo sliding fit, relief spring's one end and buffer piston's bottom are connected, and the other end is connected with the bottom of a support section of thick bamboo, and first buffer spring's one end and the top of a support section of thick bamboo are connected, and the other end is connected with the top of buffering piston main aspects, sleeve and support column sliding fit, sleeve and shock attenuation upper plate fixed connection, support column and the top of a support section of thick bamboo are connected, and second buffer spring cup joints on the sleeve, second buffer spring's one end and shock attenuation upper plate fixed connection, and the other end is connected with the top of a support section of thick bamboo.

Further preferably, the surface of the bottom of the damping upper plate is provided with a layer of rubber pad, the sleeve and the buffering piston are fixedly connected with the damping upper plate through the rubber pad, and the countersunk head bolt penetrates through the rubber pad and then is in threaded connection with the internal thread groove.

Further, the damping support devices are five, wherein four damping support devices are arranged at four corners between the damping upper plate and the damping lower plate, and the other damping support device is arranged at a middle position between the damping upper plate and the damping lower plate.

Further, the pressure reducing spring, the first buffer spring and the second buffer spring are all strong springs.

The damping piston is composed of a piston rod and a piston, one end of the piston is connected with the damping upper plate through a rubber pad, the other end of the piston penetrates through the supporting cylinder and then is connected with the piston, the piston is in sliding fit with the supporting cylinder, the first damping spring is sleeved on the piston rod, one end of the first damping spring is connected with the supporting cylinder, the other end of the first damping spring is connected with the top end of the piston, one end of the pressure reducing spring is connected with the bottom end of the piston, and the other end of the pressure reducing spring is connected with the supporting cylinder.

Further optimize, the opening part on the supporting cylinder is fixedly provided with a linear bearing, and the piston rod is in sliding fit with the linear bearing.

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

the utility model mainly comprises a damping base which comprises a damping upper plate, a damping lower plate and at least four groups of damping supporting devices, wherein in the actual use process, as the transformer can bump in the short-distance transportation process, a skid is generally adopted to support the transformer, the transformer can fall and be damaged due to unevenness in the way, so the damping base is arranged, when the transformer needs short-distance transportation, a positioning pile on the transformer is inserted into a positioning hole of the damping base and is locked with an inner thread groove on the positioning pile through a countersunk head bolt to stably fix the transformer on the damping base, then the transformer is carried to a transport vehicle, the transformer can bump in the transportation process due to the unevenness in the way, at the moment, a buffer piston can slide in a supporting cylinder, and due to the action of a pressure reducing spring, the downward pressure generated in the bumping process of the transformer is counteracted by the elasticity of the pressure reducing spring, the double-damping device has the advantages that the effect of heavy damping is achieved, meanwhile, the transformer tends to move upwards due to the elastic force of the pressure reducing spring, the first buffer spring can provide a force opposite to the direction of the upward pressure of the transformer, the effect of heavy damping is achieved, finally, the supporting rod, the sleeve and the second buffer spring are arranged, when the transformer and the buffer piston slide downwards, the second buffer spring provides damping support between the damping upper plate and the supporting cylinder, rigid impact between the damping upper plate and the supporting cylinder is prevented, and the effect of triple damping is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial enlarged view of the utility model at a in fig. 1.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

FIG. 4 is an enlarged view of a portion of the utility model at B in FIG. 2.

In the figure, 1-transformer, 2-damping upper plate, 3-damping lower plate, 4-positioning hole, 5-positioning pile, 6-internal thread groove, 7-countersunk bolt, 8-supporting cylinder, 9-buffering piston, 10-decompression spring, 11-first buffering spring, 12-sleeve, 13-supporting column, 14-second buffering spring, 15-rubber pad, 16-piston rod, 17-piston, 18-linear bearing, 19-sound-proof cover, 20-installation interlayer and 21-V-shaped plate.

Detailed Description

The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.

Example one

As shown in fig. 1 and fig. 2, the embodiment discloses a vibration damping mount for a transformer, which includes a transformer 1 and a vibration damping mount, wherein the transformer 1 is disposed on the vibration damping mount;

the damping base comprises a damping upper plate 2, a damping lower plate 3 and at least four groups of damping supporting devices, one end of each damping supporting device is fixedly arranged on the damping upper plate 2, the other end of each damping supporting device is fixedly arranged on the damping lower plate 3, at least one positioning hole 4 is formed in the damping upper plate 2, a positioning pile 5 is arranged at the bottom of the transformer 1, the positioning pile 5 is arranged in the positioning hole 4, the positioning pile 5 is provided with an inner thread groove 6, and the transformer 1 is detachably connected with the damping upper plate 2 after being in threaded connection with the inner thread groove 6 through a countersunk head bolt 7;

the damping and supporting device comprises a supporting cylinder 8, a buffering piston 9, a pressure reducing spring 10, a first buffering spring 11, a sleeve 12, a supporting column 13 and a second buffering spring 14, wherein the pressure reducing spring 10 and the first buffering spring 11 are arranged inside the supporting cylinder 8, the supporting cylinder 8 is fixedly arranged on a damping lower plate 3, the buffering piston 9 is fixedly arranged at the bottom of a buffering upper plate, the buffering piston 9 is in sliding fit with the supporting cylinder 8, one end of the pressure reducing spring 10 is connected with the bottom of the buffering piston 9, the other end of the pressure reducing spring is connected with the bottom of the supporting cylinder 8, one end of the first buffering spring 11 is connected with the top of the supporting cylinder 8, the other end of the first buffering spring is connected with the top of the large end of the buffering piston 9, the sleeve 12 is in sliding fit with the supporting column 13, the sleeve 12 is fixedly connected with the damping upper plate 2, the supporting column 13 is connected with the top of the supporting cylinder 8, the second buffering spring 14 is sleeved on the sleeve 12, one end of the second buffering spring 14 is fixedly connected with the damping upper plate 2, the other end is connected with the top end of the supporting cylinder 8;

the utility model mainly comprises a damping base, the damping base comprises a damping upper plate 2, a damping lower plate 3 and at least four groups of damping supporting devices, in the actual use process, because the transformer 1 jolts in the short-distance transportation process, a skid is generally adopted to support the transformer 1, the transformer 1 can fall and be damaged due to unevenness in the path, the damping base is arranged, when the transformer 1 needs short-distance transportation, a positioning pile 5 on the transformer 1 is inserted into a positioning hole 4 of the damping base and locked with an inner thread groove 6 on the positioning pile 5 through a sunk bolt 7 to stably fix the transformer 1 on the damping base, then the transformer 1 is transported to a transport vehicle, jolting can be generated due to the unevenness in the path in the transportation process of the transformer 1, at the moment, a buffer piston 9 can slide in a supporting cylinder 8, and due to the action of a decompression spring 10, the downward pressure force generated by the transformer 1 in the bumping process is offset by the elastic force of the pressure reducing spring 10 to achieve a heavy damping effect, and meanwhile, the transformer 1 tends to move upwards due to the elastic force of the pressure reducing spring 10, the first buffer spring 11 provides a force opposite to the upward pressure force of the transformer 1, so that a double damping effect is achieved, finally, the support rod, the sleeve 12 and the second buffer spring 14 are arranged, when the transformer 1 and the buffer piston 9 slide downwards, the second buffer spring 14 provides damping support between the damping upper plate 2 and the support cylinder 8, so that rigid impact between the damping upper plate 2 and the support cylinder 8 is prevented, and a triple damping effect is also achieved.

Preferably, a layer of rubber pad 15 is arranged on the surface of the bottom of the upper shock absorption plate 2, the sleeve 12 and the buffer piston 9 are fixedly connected with the upper shock absorption plate 2 through the rubber pad 15, and the countersunk head bolt 7 is in threaded connection with the inner thread groove 6 after penetrating through the rubber pad 15.

Further, the damping support devices are five, wherein four damping support devices are arranged at four corners between the damping upper plate 2 and the buffering lower plate, and the other damping support device is arranged at a middle position between the damping upper plate 2 and the buffering lower plate.

Further, the relief spring 10, the first buffer spring 11, and the second buffer spring 14 are all strong springs.

The buffer piston 9 is composed of a piston rod 16 and a piston 17, one end of the piston 17 penetrates through a rubber pad 15 to be connected with the damping upper plate 2, the other end of the piston 17 penetrates through the supporting cylinder 8 to be connected with the piston 17, the piston 17 is in sliding fit with the supporting cylinder 8, the first buffer spring 11 is sleeved on the piston rod 16, one end of the first buffer spring 11 is connected with the supporting cylinder 8, the other end of the first buffer spring is connected with the top end of the piston 17, one end of the pressure reducing spring 10 is connected with the bottom end of the piston 17, and the other end of the pressure reducing spring is connected with the supporting cylinder 8.

Preferably, a linear bearing 18 is fixedly arranged at an opening of the support cylinder 8, and the piston rod 16 is in sliding fit with the linear bearing 18.

Example two

As shown in fig. 3 and 4, the present embodiment is further optimized on the basis of the first embodiment, in the present embodiment, a layer of soundproof cover 19 is further disposed outside the transformer 1, the soundproof cover 19 includes an inner layer and an outer layer, the inner layer and the outer layer form an installation interlayer 20, a plurality of silencing assemblies are disposed inside the installation interlayer 20, each silencing assembly includes a plurality of groups of V-shaped plates 21, the groups of V-shaped plates 21 are sequentially disposed from top to bottom, and the opening directions of adjacent V-shaped plates 21 are opposite;

in actual use, transformer 1 can send the noise when the circular telegram was used after the transportation was accomplished, put into sound-proof housing 19 with transformer 1 before the circular telegram in, set up sound-proof housing 19 back, the noise can be through the V template 21 in the installation intermediate layer 20, the noise is weakened through the energy behind the bounce-back many times, the noise can be reduced, the noise is outside passing to sound-proof housing 19 again after making an uproar that falls of installation intermediate layer 20, improve the safety of transformer 1 in the transportation from the side.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A vibration damping mount for a transformer, characterized in that: the transformer (1) is supported by the damping base;

the damping base comprises a damping upper plate (2), a damping lower plate (3) and at least four groups of damping supporting devices, one end of each damping supporting device is fixedly arranged on the damping upper plate (2), and the other end of each damping supporting device is fixedly arranged on the damping lower plate (3);

the damping and supporting device comprises a supporting cylinder (8), a buffering piston (9), a pressure reducing spring (10), a first buffering spring (11), a sleeve (12), a supporting column (13) and a second buffering spring (14), wherein the pressure reducing spring (10) and the first buffering spring (11) are arranged inside the supporting cylinder (8), the supporting cylinder (8) is fixedly arranged on a damping lower plate (3), the buffering piston (9) is fixedly arranged at the bottom of a damping upper plate, the buffering piston (9) is in sliding fit with the supporting cylinder (8), one end of the pressure reducing spring (10) is connected with the bottom of the buffering piston (9), the other end of the pressure reducing spring is connected with the bottom of the supporting cylinder (8), one end of the first buffering spring (11) is connected with the top of the supporting cylinder (8), the other end of the first buffering spring is connected with the top of the large end of the buffering piston (9), the sleeve (12) is in sliding fit with the supporting column (13), and the sleeve (12) is fixedly connected with the damping upper plate (2), the support column (13) is connected with the top end of the support cylinder (8), the second buffer spring (14) is sleeved on the sleeve (12), one end of the second buffer spring (14) is fixedly connected with the damping upper plate (2), and the other end of the second buffer spring is connected with the top end of the support cylinder (8).

2. A vibration damping mount for a transformer according to claim 1, wherein: be provided with at least one locating hole (4) on shock attenuation upper plate (2), guide pile (5) are installed to transformer (1) bottom, and after transformer (1) was installed at shock attenuation upper plate (2), guide pile (5) passed locating hole (4), guide pile (5) have interior thread groove (6), and transformer (1) are connected with shock attenuation upper plate (2) after through countersunk head bolt (7) and interior thread groove (6) spiro union.

3. A vibration damping mount for a transformer according to claim 2, wherein: the surface of the bottom of the shock absorption upper plate (2) is provided with a layer of rubber pad (15), the sleeve (12) and the buffer piston (9) penetrate through the rubber pad (15) to be fixedly connected with the shock absorption upper plate (2), and the countersunk head bolt (7) penetrates through the rubber pad (15) and then is in threaded connection with the inner thread groove (6).

4. A vibration damping mount for a transformer according to claim 1, wherein: the shock absorption supporting devices are five, wherein four shock absorption supporting devices are arranged at four corners between the shock absorption upper plate (2) and the buffer lower plate, and the other shock absorption supporting device is arranged at the middle position between the shock absorption upper plate (2) and the buffer lower plate.

5. A vibration damping mount for a transformer according to claim 1, wherein: the pressure reducing spring (10), the first buffer spring (11) and the second buffer spring (14) are all strong springs.

6. A vibration damping mount for a transformer according to claim 3, wherein: buffer piston (9) comprise piston rod (16) and piston (17), and the one end of piston rod (16) is passed rubber pad (15) and is connected with shock attenuation upper plate (2), and the other end passes and is connected with piston (17) behind supporting section of thick bamboo (8), piston (17) with supporting section of thick bamboo (8) sliding fit, first buffer spring (11) cup joint on piston rod (16), and first buffer spring (11) one end is connected with supporting section of thick bamboo (8), and the other end is connected with piston (17) top, and decompression spring (10) one end is connected with piston (17) bottom, and the other end is connected with supporting section of thick bamboo (8).

7. A vibration damping mount for a transformer according to claim 6, wherein: a linear bearing (18) is fixedly arranged at an opening on the supporting cylinder (8), and the piston rod (16) is in sliding fit with the linear bearing (18).