CN210565990U - Hydraulic transformer damping device - Google Patents
Hydraulic transformer damping device Download PDFInfo
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- CN210565990U CN210565990U CN201921556946.0U CN201921556946U CN210565990U CN 210565990 U CN210565990 U CN 210565990U CN 201921556946 U CN201921556946 U CN 201921556946U CN 210565990 U CN210565990 U CN 210565990U
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- damping device
- branch pipe
- piston
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Abstract
The utility model discloses a hydraulic transformer damping device, which comprises a cylinder body with a hydraulic cavity; the supporting structure is at least partially arranged in the hydraulic cavity and can move up and down along the height direction of the hydraulic cavity under the action of external force; the hydraulic oil is arranged in the hydraulic cavity; one end of the damping spring is abutted with the supporting structure; a branch relief structure into which a portion of the hydraulic oil enters when the support structure moves downward to squeeze the hydraulic oil. The utility model discloses a set up hydraulic oil and damping spring, it realizes dual shock attenuation nature effect, and the mode that vibrations were dissipated is the twice that traditional vibrations were dissipated.
Description
Technical Field
The utility model belongs to the technical field of the transformer technique, especially, relate to a fluid pressure type transformer damping device.
Background
A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core); the main functions are as follows: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like; according to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.). The vibration generated by the transformer during operation is accompanied with noise; for the areas with dense population, the vibration and the noise of the transformer can influence the normal life of residents; the health of people is harmed, the sleep of people is influenced, and the normal operation of power supply equipment can be influenced.
Current transformer has all been equipped with a plurality of damping device, and this damping device carries out the shock attenuation through the spring more, but the spring when the shock attenuation, it can only realize the shock attenuation effect through spring compression, and its shock attenuation effect is general.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome prior art not enough, provide a dual absorbing fluid pressure type transformer damping device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a hydraulic transformer damping device comprises
A cylinder body having a hydraulic pressure chamber;
the supporting structure is at least partially arranged in the hydraulic cavity and can move up and down along the height direction of the hydraulic cavity under the action of external force;
the hydraulic oil is arranged in the hydraulic cavity;
one end of the damping spring is abutted with the supporting structure;
a branch relief structure into which a portion of the hydraulic oil enters when the support structure moves downward to squeeze the hydraulic oil.
The utility model discloses a set up hydraulic oil and damping spring, it realizes dual shock attenuation nature effect, and the upper portion vibrations of transformer can be transmitted in the hydraulic oil, because the density of hydraulic oil is comparatively little, the space between its molecule is great, therefore vibrations can disappear in the hydraulic oil fast in transmitting; the damping spring can also dissipate the vibration at the same time, and the vibration dissipation of the spring is overlapped with the vibration dissipation of the hydraulic oil, so that the vibration dissipation mode is twice of that of the traditional vibration dissipation mode.
Preferably, the branch pipe pressure reducing structure comprises a branch pipe communicated with the hydraulic cavity, a piston capable of moving left and right along the length direction of the branch pipe, an elastic part with one end abutting against the piston, and a screw connecting part abutting against the other end of the elastic part, wherein the screw connecting part is connected with the branch pipe; can receive pressure when hydraulic oil through setting up branch pipe, elastic component and spiro union piece, hydraulic oil can enter into the branch pipe in the middle of, then extrudees the piston so that the piston promotes the elastic component compression, and the elastic component can indirect realization shock attenuation effect at this in-process.
Preferably, the supporting structure comprises a piston head arranged in the hydraulic cavity, a piston rod connected with the piston head and a supporting plate connected with the piston rod, and the damping spring is sleeved on the piston rod; through setting up piston head, piston rod and backup pad, receive under the pressure condition at the backup pad, the piston head can extrude hydraulic oil, and consequently when vibrations in the backup pad were transmitted in the middle of hydraulic oil, vibrations can be transmitted in the middle of the hydraulic oil, and then most vibrations disappear in the middle of hydraulic oil, and its shock attenuation nature effect is good with the support effect.
Preferably, a cylinder cover used for limiting the piston head is detachably connected to the cylinder body, and the other end of the damping spring is abutted to the cylinder cover; the cylinder cover can limit the piston head to be separated, and the stability of the piston head in up-and-down motion is improved.
Preferably, a shock absorption base plate is bonded on the supporting plate, and a plurality of shock absorption convex ribs are arranged on the shock absorption base plate; the shock absorption backing plate can avoid overlarge vibration caused by direct contact of the part supporting plate, and can eliminate a part of vibration; and set up the protruding muscle of shock attenuation it not only increases the effect of vibrations dissipation, but also can improve anti-skidding effect.
Preferably, a sealing gasket is arranged between the cylinder body and the cylinder cover; can ensure the leakproofness between cylinder cap and the cylinder body through setting up seal gasket, avoid simultaneously on the vibrations on the cylinder cap can directly transmit the cylinder body, when its vibrations can transmit on seal gasket, vibrations can be eliminated partly.
Preferably, the bottom of the cylinder body is provided with a bottom plate; through set up on the cylinder body and support the board, its area that has enlarged the cylinder body bottom, its installation is more convenient to its vibrations that transmit on the cylinder body can some lead to the bottom plate outwards diffusion, consequently effectual to the dissipation of vibrations.
Preferably, the bottom plate is bonded with a shock absorption bottom plate; through arranging the damping bottom plate
Preferably, the branch pipe is provided with a connecting rib connected with the side wall of the cylinder body, and the connecting rib is of a triangular structure; the connecting ribs can ensure firm connection between the branch pipe and the cylinder body, and the self vibration frequency of the branch pipe is reduced after vibration is transmitted to the branch pipe, so that the branch pipe is prevented from generating high-frequency sound due to vibration.
To sum up, the utility model discloses a set up hydraulic oil and damping spring, it realizes dual shock attenuation nature effect, and the mode that vibrations were dissipated is the twice that traditional vibrations were dissipated.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an exploded view of the present invention.
Detailed Description
In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.
As shown in fig. 1-3, a hydraulic transformer damping device comprises a cylinder body 1, a support structure 2, hydraulic oil, a damping spring 3 and a branch pipe damping structure 4; the cylinder body 1 is a stainless steel metal cylinder, the cylinder body 1 is provided with a hydraulic cavity 10, the hydraulic oil is located in the hydraulic cavity 10 and is conventional oil on the market, the supporting structure 4 is located in the hydraulic cavity 10, and the supporting structure 2 moves up and down along the height of the hydraulic cavity 10 under the condition of external force.
The supporting structure 2 comprises a piston head 21, a piston rod 22 and a supporting plate 23, wherein the piston head 21 is a rubber head, the side wall of the piston head 21 is in contact with the inner wall of the piston cavity 10, and the piston head 21 is in contact with hydraulic oil; the piston rod 22 is a metal rod, and the lower end of the piston rod 22 is connected with the piston head 21; the support plate 23 is a metal plate, and the support plate 23 is connected with the upper end of the piston rod 22 through a plurality of bolts; the supporting plate 23 is bonded with a shock absorption pad 24, the shock absorption pad 24 can be a rubber pad or a plastic pad, the shock absorption plate 24 is provided with a plurality of shock absorption convex ribs 241 arranged side by side, and the shock absorption convex ribs 241 are strip-shaped convex ribs.
A cylinder cover 11 is arranged at the upper part of the cylinder body 1, the cylinder cover 11 is a metal sheet, the cylinder cover 11 is connected with the cylinder body 1 through a screw, a through hole in the cylinder cover 11 is basically consistent with the diameter of a piston rod 22, and the cylinder cover 11 limits the piston head 21 so as to limit the outward separation of the piston head 21; a sealing gasket 12 is further arranged between the cylinder cover 11 and the cylinder body 1, the sealing gasket 12 is a rubber gasket, and the sealing gasket 12 is used for sealing a gap between the cylinder cover 11 and the cylinder body 1.
A bottom plate 13 is arranged at the lower part of the cylinder body 1, the bottom plate 13 is a metal plate, a damping bottom plate 14 is bonded on the bottom plate 13, and the damping bottom plate 14 is a rubber sheet.
The damper spring 3 is a metal spring, an upper end of the damper spring 3 abuts against the support plate 23, and a lower end of the damper spring 3 abuts against the cylinder head 11, so that the support plate 23 is pressed to push the piston rod 22 and the piston head 21 to move downward, and the damper spring 3 is pressed to be compressed.
Further, the branch pipe shock absorption structure 4 is located at the lower part of the cylinder body 1, the branch pipe shock absorption structure 4 comprises a branch pipe 41, a piston 42, an elastic member 43 and a screw member 44, wherein the branch pipe 41 is a metal pipe, and the branch pipe 41 is communicated with the hydraulic chamber 10, so that after the hydraulic oil is subjected to the pressure of the piston head 21, a part of the hydraulic oil enters the branch pipe 41; the piston 42 is a rubber plug, and the piston 42 is positioned in the branch pipe 41; the hydraulic oil entering the branch pipe 41 pushes the piston 42 to act, the elastic member 43 is a spring, one end of the elastic member 43 abuts against the piston 42, the screw connector 44 is a bolt, and the other end of the elastic member 43 abuts against the screw connector 44, so that after the hydraulic oil enters the branch pipe 41, the elastic member 43 is compressed; meanwhile, in order to improve the firmness of the connection between the branch pipe 41 and the cylinder body 1, the branch pipe 41 is provided with a connecting convex rib 411, and the connecting convex rib 411 is a triangular convex rib.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a fluid pressure type transformer damping device which characterized in that: comprises that
A cylinder (1) having a hydraulic chamber (10);
the supporting structure (2) is at least partially arranged in the hydraulic cavity (10), and the supporting structure (2) can move up and down along the height direction of the hydraulic cavity (10) under the action of external force;
the hydraulic oil is arranged in the hydraulic cavity (10);
one end of the damping spring (3) is abutted with the supporting structure (2);
a branch relief structure (4) into which a portion of the hydraulic oil enters when the support structure (2) is moved downward to squeeze the hydraulic oil.
2. The hydraulic transformer damping device according to claim 1, wherein: the branch pipe pressure reducing structure (4) comprises a branch pipe (41) communicated with the hydraulic cavity (10), a piston (42) capable of moving left and right along the length direction of the branch pipe (41), an elastic piece (43) with one end abutting against the piston (42) and a screw joint piece (44) abutting against the other end of the elastic piece (43), wherein the screw joint piece (44) is connected with the branch pipe (41).
3. The hydraulic transformer damping device according to claim 1, wherein: the supporting structure (2) comprises a piston head (21) arranged in the hydraulic cavity (10), a piston rod (22) connected with the piston head (21) and a supporting plate (23) connected with the piston rod (22), and the damping spring (3) is sleeved on the piston rod (22).
4. The hydraulic transformer damping device according to claim 3, wherein: the piston is characterized in that the cylinder body (1) is detachably connected with a cylinder cover (11) used for limiting the piston head (21), and the other end of the damping spring (3) is abutted against the cylinder cover (11).
5. The hydraulic transformer damping device according to claim 3, wherein: a shock absorption backing plate (24) is bonded on the supporting plate (23), and a plurality of shock absorption convex ribs (241) are arranged on the shock absorption backing plate (24).
6. The hydraulic transformer damping device according to claim 4, wherein: a sealing gasket (12) is arranged between the cylinder body (1) and the cylinder cover (11).
7. The hydraulic transformer damping device according to claim 1, wherein: the bottom of the cylinder body (1) is provided with a bottom plate (13).
8. The hydraulic transformer damping device according to claim 7, wherein: and a damping bottom plate (14) is bonded on the bottom plate (13).
9. The hydraulic transformer damping device according to claim 3, wherein: the branch pipe (41) is provided with a connecting rib (411) connected with the side wall of the cylinder body (1), and the connecting rib (411) is of a triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921556946.0U CN210565990U (en) | 2019-09-18 | 2019-09-18 | Hydraulic transformer damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921556946.0U CN210565990U (en) | 2019-09-18 | 2019-09-18 | Hydraulic transformer damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210565990U true CN210565990U (en) | 2020-05-19 |
Family
ID=70636676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921556946.0U Active CN210565990U (en) | 2019-09-18 | 2019-09-18 | Hydraulic transformer damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210565990U (en) |
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2019
- 2019-09-18 CN CN201921556946.0U patent/CN210565990U/en active Active
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