Vibration isolation structure of dry-type transformer

By combining a support plate, vibration isolation components, buffer springs, hydraulic oil, and a buoyancy piston, the problem of continuous vibration caused by spring rebound in dry-type transformer vibration isolators is solved, achieving more effective vibration elimination and noise reduction.

CN223953165UActive Publication Date: 2026-02-27SHANGHAI LIANGZHI ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202520617659.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-02-27
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Existing dry-type transformer vibration isolators rely on springs to buffer and disperse vibration energy, but springs store energy when compressed or stretched and rebound when released, causing continuous vibration and damage.

Method used

It adopts a combination structure of support plate, vibration isolation component, buffer spring, hydraulic oil and buoyancy piston. Through the flow of hydraulic oil and the action of buoyancy piston, the spring rebound is buffered and limited. Combined with the design of support component and drive rod, vibration energy is effectively eliminated.

Benefits of technology

It effectively eliminates the continuous vibration caused by spring rebound, prevents damage, improves vibration isolation, and reduces noise transmission.

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Abstract

The utility model relates to the technical field of transformers, in particular to a dry-type transformer vibration isolation structure which comprises a supporting plate and a vibration isolation assembly, the vibration isolation assembly comprises two supporting components, two buffer springs, a fixing pipe, hydraulic oil, a working piston, a buoyancy piston and a reinforcing component, and vibration generated when a dry-type transformer works can be transmitted to the buoyancy piston; the buoyancy piston slides in the fixed pipe under the action of impact force, hydraulic oil in the buoyancy piston flows into the upper half part of a plug of the working piston from the axis part of the working piston during buffering, and the working piston is pushed upwards again under the action of buoyancy of the buoyancy piston when the working piston moves, so that the effect of buffering the impact force is achieved. By means of the scheme, the problem that according to an existing combined vibration isolator of the dry-type transformer, when a spring is compressed or stretched, the spring can store energy and rebound when the spring is released, and the rebound possibly causes continuous vibration to cause damage is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field especially relates to a dry -type transformer vibration isolation structure. BACKGROUND

[0002] Dry -type transformer is a kind of safe, energy -conserving, environmental protection new type transformer, mainly for high -rise residential area, office building, hospital, hotel and so on. Most transformers are directly installed on the ground basis of distribution room, vibration generated when transformer works will be transmitted to all directions, influence nearby residents daily life, especially at night, the vibration reduction of existing transformer generally adopts matrix vibration isolator and damping spring vibration isolator, but due to the deficiency in structure, the vibration isolation efficiency of existing transformer vibration isolator is not high, and vibration isolation effect is poor, and it is not easy to install.

[0003] The prior art (CN205428637U) discloses a power dry-type transformer vibration reduction mounting structure assembly, which comprises a mounting frame for mounting a transformer body and a vibration isolation support seat arranged at the bottom of the mounting frame to support and isolate the vibration of the transformer body.

[0004] But the above-mentioned scheme passes through spring buffer and disperses dry-type transformer vibration energy, but only relying on spring can not completely eliminate vibration, when spring is compressed or stretched, it will store energy and produce rebound when releasing, and this rebound can cause continuous vibration to cause damage. Utility model content

[0005] The utility model aims at providing a kind of dry-type transformer vibration isolation structure, to solve the problem that the existing dry-type transformer combined vibration isolator passes through spring buffer and disperses dry-type transformer vibration energy, but only relying on spring can not completely eliminate vibration, when spring is compressed or stretched, it will store energy and produce rebound when releasing, and this rebound can cause continuous vibration to cause damage.

[0006] In order to achieve the above object, the utility model provides a dry -type transformer vibration isolation structure, including support board and vibration isolation subassembly, the vibration isolation subassembly includes two support components, two buffer springs, fixed pipe, hydraulic oil, working piston and buoyancy piston, two support components set up in one side of support board, two buffer springs are connected with support board fixedly and are located bottom of support board, working piston sets up in one side of support component, fixed pipe is connected with working piston slidingly and is located one side of working piston, hydraulic oil sets up in fixed pipe inside, buoyancy piston is connected with fixed pipe slidingly and is located one side of fixed pipe, the reinforcing component sets up in one side of support component.

[0007] Wherein, the support component includes support piece, two drive rods, sliding block, two drive springs, mounting plate and mounting portion, the support piece is fixedly connected with the support plate and is located one side of the support plate, two drive rods are respectively rotatably connected with the support piece and are located one side of the support piece, the sliding block is rotatably connected with the drive rod and is located one side of the drive rod, two drive springs are fixedly connected with the sliding block and are located one side of the sliding block, the mounting plate is slidingly connected with the sliding block and is located one side of the sliding block.

[0008] Wherein, the mounting portion includes fixed column and sliding column, the fixed column is fixedly connected with the mounting plate and is located one side of the mounting plate, the sliding column is slidingly connected with the fixed column and is located one side of the fixed column.

[0009] Wherein, the reinforcing component includes buffer pad, fixed bottom plate and reinforcing portion, the buffer pad is fixedly connected with the mounting plate and is located one side of the mounting plate, the fixed bottom plate is fixedly connected with the buffer pad and is located one side of the buffer pad, the reinforcing portion sets up in one side of the fixed base.

[0010] Wherein, the reinforcing portion includes fixed piece and multiple fixed bolts, the fixed piece is fixedly connected with the mounting plate and is located one side of the mounting plate, multiple fixed bolts are respectively threadedly connected with the fixed bottom plate and are respectively located one side of the fixed bottom plate.

[0011] The utility model relates a dry -type transformer vibration isolation structure, the dry -type transformer is placed in the support board and is installed, the both sides of support board all are fixed buffer spring, one end of buffer spring is connected with work piston, the vibration that occurs when working will be passed to the buoyancy piston, the buoyancy piston will slide in the fixed pipe under the action of impact force, wherein hydraulic oil is distributed in the fixed pipe inside, the hydraulic oil therein will flow into the plug upper half part of work piston from the axis part of work piston when buffering, the activity of work piston in the buoyancy piston will be pushed up to work piston to reach the effect of buffering impact force under the action of buoyancy, through above-mentioned scheme, have solved the spring buffering and dispersion dry -type transformer vibration energy in the existing dry -type transformer combined vibration isolator, but only rely on spring and can not eliminate vibration completely, when spring is compressed or stretched, it will store energy and produce rebound when releasing, and this rebound can cause the damage problem caused by continuous vibration. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below.

[0013] Figure 1 It is the whole structure schematic diagram of the utility model.

[0014] Figure 2 It is the whole structure schematic diagram of another angle of the utility model.

[0015] Figure 3 It is the front view of the whole of the utility model.

[0016] Figure 4 It is the sectional view of the whole of the utility model.

[0017] 101-support plate, 102-vibration isolation assembly, 103-supporting member, 104-buffer spring, 105-fixed tube, 106-hydraulic oil, 107-working piston, 108-buoyancy piston, 109-reinforcing member, 110-supporting piece, 111-driving rod, 112-sliding block, 113-driving spring, 114-mounting plate, 115-mounting portion, 116-fixing column, 117-sliding column, 118-cushion pad, 119-fixed bottom plate, 120-reinforcing portion, 121-fixing piece, 122-fixing bolt. DETAILED DESCRIPTION

[0018] The embodiments of the utility model will be described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and can not be understood as the limitation of the utility model.

[0019] Please refer to Figures 1-4 wherein, Figure 1 is the overall structure of the utility model schematic diagram, Figure 2 is the overall structure of the utility model another perspective schematic diagram, Figure 3 is the overall structure of the utility model front view, Figure 4 is the overall structure of the utility model sectional view.

[0020] The utility model provides a kind of dry-type transformer vibration isolation structure including support plate 101 and vibration isolation component 102, vibration isolation component 102 includes two support components 103, two buffer springs 104, fixed tube 105, hydraulic oil 106, working piston 107, buoyancy piston 108 and reinforcing component 109, support component 103 includes support 110, two drive rods 111, sliding block 112, two drive springs 113, mounting plate 114 and installation part 115, installation part 115 includes fixed column 116 and sliding column 117, reinforcing component 109 includes buffer pad 118, fixed bottom plate 119 and reinforcing portion 120, reinforcing portion 120 includes fixed part 121 and multiple fixed bolts 122, by the foregoing scheme, it has solved that the dry-type transformer combined vibration isolator in prior art is through spring buffering and disperses dry-type transformer vibration energy, but only rely on spring can not completely eliminate vibration, when spring is compressed or stretched, it will store energy and produce rebound when release, and this rebound can cause damage problem caused by continuous vibration.

[0021] For this specific embodiment, two support members 103 are arranged on one side of the support plate 101, two buffer springs 104 are fixedly connected with the support plate 101 and located at the bottom of the support plate 101, the working piston 107 is arranged on one side of the support member 103, the fixed tube 105 is in sliding connection with the working piston 107 and located on one side of the working piston 107, the hydraulic oil 106 is arranged inside the fixed tube 105, the buoyancy piston 108 is in sliding connection with the fixed tube 105 and located on one side of the fixed tube 105, the reinforcing member 109 is arranged on one side of the support member 103, the dry-type transformer is placed on the support plate 101 for installation, the buffer springs 104 are fixed on both sides of the support plate 101, one end of the buffer spring 104 is connected with the working piston 107, the vibration occurring during work will be transmitted to the working piston 107, the working piston 107 will slide in the fixed tube 105 under the action of impact force, the hydraulic oil 106 in the fixed tube 105 will flow into the upper half of the plug of the working piston 107, the working piston 107 will be pushed upward by the buoyancy piston 108 under the action of buoyancy to achieve the effect of buffering impact force, through the above scheme, the problem that the existing dry-type transformer combined vibration isolator can only rely on springs to buffer and disperse the vibration energy of the dry-type transformer, but the vibration cannot be completely eliminated when the springs are compressed or stretched, and the rebound when the springs are released can cause damage caused by continuous vibration is solved.

[0022] Wherein, the support piece 110 is fixedly connected with the support plate 101 and located on one side of the support plate 101, two drive rods 111 are respectively in rotary connection with the support piece 110 and located on one side of the support piece 110, the sliding block 112 is in rotary connection with the drive rod 111 and located on one side of the drive rod 111, two drive springs 113 are fixedly connected with the sliding block 112 and located on one side of the sliding block 112, the mounting plate 114 is in sliding connection with the sliding block 112 and located on one side of the sliding block 112, the support piece 110 is installed at the bottom of the support plate 101, when the impact force from the working of the dry-type transformer is received, the buffer spring 104 will buffer a part of the force, another part will be transmitted to the support piece 110, the support piece 110 moves downward to make the drive rod 111 expand to both ends, the expansion of the drive rod 111 will push the sliding block 112 to move in the mounting plate 114, the movement of the sliding block 112 will elastically deform the drive spring 113, the drive spring 113 will buffer the force, and finally the mounting portion 115 guides the drive spring 113 to re-lift the support piece 110 upward.

[0023] Secondly, the fixed column 116 is fixedly connected with the mounting plate 114 and located at one side of the mounting plate 114, the sliding column 117 is slidably connected with the fixed column 116 and located at one side of the fixed column 116, the sliding column 117 can be telescopic in the fixed column 116 when the driving spring 113 is elastically deformed, and the uniform horizontal part during the elastic deformation can deviate from the track to cause poor effect.

[0024] Meanwhile, the buffer pad 118 is fixedly connected with the mounting plate 114 and located at one side of the mounting plate 114, the fixed bottom plate 119 is fixedly connected with the buffer pad 118 and located at one side of the buffer pad 118, the reinforcing part 120 is arranged at one side of the fixed base, the buffer pad 118 is installed at the bottom of the mounting plate 114, the buffer pad 118 is made of soft material such as sponge and used for buffering the fine vibration transmitted to ensure that the buffer pad 118 does not contact the desktop to avoid generating friction noise, secondly, the buffer pad 118 is fixed in the fixed bottom plate 119, the fixed bottom plate 119 is further reinforced through the reinforcing part 120 to prevent the position from deviating during work.

[0025] In addition, the fixing part 121 is fixedly connected with the mounting plate 114 and located at one side of the mounting plate 114, a plurality of fixed bolts 122 are respectively screwed with the fixed bottom plate 119 and respectively located at one side of the fixed bottom plate 119, the range of the buffer pad 118 fixedly contacted by the fixing part 121 is ensured to be always on the surface of the buffer pad 118, and finally the fixed bottom plate 119 is fixed by the fixed bolts 122 to ensure that the position deviation caused by shaking on the desktop does not occur.

[0026] In use of the utility model, the dry-type transformer is placed on the supporting plate 101 for installation, both sides of the supporting plate 101 are fixed with the buffer spring 104, one end of the buffer spring 104 is connected with the working piston 107, vibration occurring during work can be transmitted to the buoyancy piston 107, the buoyancy piston 107 can slide in the fixed pipe 105 under the action of impact force, the hydraulic oil 106 in it can flow into the plug upper half of the working piston 107 from the shaft center part, the activity of the working piston 107 can push the working piston 107 upwards again under the action of buoyancy to the fixed pipe 105, the effect of buffering impact force can be achieved, the direction of the buffer spring bounce can be effectively limited and the sustained vibration caused by rebound can be prevented, another part of energy is transmitted to the support 110, the support 110 moves downwards to make the drive rod 111 expand to both ends, the expansion of the drive rod 111 can push the sliding block 112 to move in the mounting plate 114, the movement of the sliding block 112 can make the drive spring 113 elastically deform, the drive spring 113 is used for buffering and unloading force, through the above scheme, the existing dry-type transformer combined vibration isolator can buffer and disperse the vibration energy of the dry-type transformer through the spring, but only relying on the spring can not completely eliminate the vibration, when the spring is compressed or stretched, it can store energy and rebound when releasing, and the rebound can cause the damage problem caused by the sustained vibration.

[0027] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of the application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope of the application.

Claims

1. A dry-type transformer vibration isolation structure comprising a support plate, characterized in that, it further comprises a vibration isolation assembly; the vibration isolation assembly comprises two support members, two buffer springs, a fixed tube, hydraulic oil, a working piston, a buoyancy piston and a reinforcing member; two support members are arranged on one side of the support plate, two buffer springs are fixedly connected with the support plate and located at the bottom of the support plate, a working piston is arranged on one side of the support member, the fixed tube is in sliding connection with the working piston and located on one side of the working piston, the hydraulic oil is arranged inside the fixed tube, the buoyancy piston is in sliding connection with the fixed tube and located on one side of the fixed tube, and the reinforcing member is arranged on one side of the support member.

2. The dry-type transformer vibration isolation structure according to claim 1, characterized in that, the support member comprises a support, two drive rods, a sliding block, two drive springs, a mounting plate and a mounting portion, the support is fixedly connected with the support plate and located on one side of the support plate, two drive rods are respectively in rotational connection with the support and located on one side of the support, the sliding block is in rotational connection with the drive rod and located on one side of the drive rod, two drive springs are fixedly connected with the sliding block and located on one side of the sliding block, and the mounting plate is in sliding connection with the sliding block and located on one side of the sliding block.

3. The dry-type transformer vibration isolation structure according to claim 2, characterized in that, the mounting portion comprises a fixed column and a sliding column, the fixed column is fixedly connected with the mounting plate and located on one side of the mounting plate, and the sliding column is in sliding connection with the fixed column and located on one side of the fixed column.

4. The dry-type transformer vibration isolation structure according to claim 3, characterized in that, the reinforcing member comprises a buffer pad, a fixed bottom plate and a reinforcing portion, the buffer pad is fixedly connected with the mounting plate and located on one side of the mounting plate, the fixed bottom plate is fixedly connected with the buffer pad and located on one side of the buffer pad, and the reinforcing portion is arranged on one side of the fixed base.

5. The dry-type transformer vibration isolation structure according to claim 4, characterized in that, the reinforcing portion comprises a fixed piece and a plurality of fixed bolts, the fixed piece is fixedly connected with the mounting plate and located on one side of the mounting plate, and a plurality of fixed bolts are respectively in threaded connection with the fixed bottom plate and respectively located on one side of the fixed bottom plate.

Citation Information

Patent Citations

  • Electric power dry -type transformer damping mounting structure assembly

    CN205428637U