Diaphragm type energy accumulator buffer device with low noise and shock absorption

By introducing a buffer assembly consisting of a damping rod and a spring into the diaphragm accumulator, combined with flexible connections and a damper, the vibration and noise problems caused by insecure installation of the diaphragm accumulator are solved, achieving a low-noise working environment.

CN223781786UActive Publication Date: 2026-01-09TIANJIN AOQI ACCUMULATOR CO LTD
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Patent Information

Application Number
CN202520622958.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-01-09
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Diaphragm accumulators may experience vibration and noise issues during operation due to insecure installation or improper positioning.

Method used

A buffer assembly consisting of damping rods and springs is used to buffer the vibration of the accumulator tank, and the swaying of the pipeline is reduced by the flexible connection of the oil pipeline and the support assembly. The pressure of the hydraulic oil pipeline is buffered by the damper.

Benefits of technology

It effectively reduces vibration and noise during the operation of diaphragm accumulators, improves operational stability, and reduces noise pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-noise shock-absorption diaphragm type energy accumulator buffer device which comprises an energy storage tank, a buffer assembly is arranged at the bottom of the energy storage tank, the buffer assembly comprises a tray, the energy storage tank firstly drives a top plate to float up and down, when the top plate moves downwards, a second damping rod is compressed, a rod sleeve at the bottom of the second damping rod moves outwards, and when the rod sleeve moves outwards, the second damping rod is compressed. When the energy storage tank works, a spring is compressed, an output shaft of a first damping rod is driven to move outwards and is connected to the surface of a supporting rod in a sleeving mode, so that pressure brought by the upper portion is buffered, and vibration generated when the energy storage tank works is buffered through a connecting rod structure provided with a damper; when hydraulic oil passes through the oil conveying pipe, generated shaking is transmitted to the transverse plate through the connecting rod to drive the transverse plate to move downwards, so that the spring dampers arranged at the two ends are compressed, the pressure of the pipeline is buffered, the purpose of reducing noise is achieved, the hydraulic oil pipeline is supported and buffered, and the noise generated by vibration of the pipeline is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of accumulator buffer devices, specifically a low-noise and vibration-damping diaphragm accumulator buffer device. Background Technology

[0002] A diaphragm accumulator is a hydraulic component that uses the compressibility of gas to store and release energy. It mainly consists of a housing, diaphragm, inflation valve, and inlet / outlet ports. Its working principle involves storing energy by compressing the gas on the other side of the diaphragm with hydraulic oil, and releasing the energy when needed to meet the demands of the hydraulic system.

[0003] When an accumulator is in operation, it may generate vibration and noise due to insecure installation or improper installation location. For example, insufficient rigidity of the mounting bracket may cause vibration of the bracket during accumulator filling and draining, thus generating noise; and during oil transportation in oil pipelines, unstable pressure within the pipeline may cause pipeline vibration, thereby generating noise.

[0004] Therefore, this utility model provides a low-noise and vibration-damping diaphragm accumulator buffer device to solve the above problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a low-noise and vibration-damping diaphragm accumulator buffer device, which solves the aforementioned problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a low-noise and vibration-damping diaphragm accumulator buffer device, comprising an energy storage tank, a buffer assembly at the bottom of the energy storage tank, a tray, a support leg fixedly connected to the bottom surface of the tray, a support block fixedly connected to a groove on the surface of the tray, a damping rod fixedly connected to both sides of the support block, a rod sleeve fixedly connected to the surface of the output shaft of the damping rod, a support rod fixedly connected to the end face of the output shaft of the damping rod, a spring sleeved on the outside of the support rod, the spring fixedly connected to the side of the rod sleeve, and the support rod movably penetrating through the inside of the output shaft of the damping rod.

[0007] Furthermore, a second damping rod is hinged to the surface of the sleeve, a top plate is provided above the second damping rod, the bottom end of the second damping rod is hinged to the bottom surface of the top plate, and the top plate is fixedly connected to the side wall of the energy storage tank.

[0008] The above technical solution uses a damping rod to buffer the vibration generated by the energy storage tank.

[0009] Furthermore, an oil conveying device is provided below the energy storage tank. The oil conveying device includes an oil conveying pipe, a pipe valve is fixedly installed on the surface of the oil conveying pipe, and a pipe clamp is fixedly installed on the front end surface of the oil conveying pipe.

[0010] Using the above technical solution, hydraulic oil is delivered into the energy storage tank through an oil delivery device.

[0011] Furthermore, the oil conveying device is externally provided with a support assembly, which includes a U-shaped frame. A spring damper is fixedly installed on the surface of the U-shaped frame. A horizontal plate is fixedly connected to the top surface of the spring damper. A connecting rod is fixedly connected to the middle of the bottom surface of the horizontal plate. The connecting rod movably passes through the surface of the U-shaped frame, and the bottom of the connecting rod is hinged to the pipe clamp.

[0012] Using the above technical solution, the oil pipeline is swayed and buffered by using a connecting rod to pull it.

[0013] Furthermore, a gas delivery assembly is provided on the top of the energy storage tank, the gas delivery assembly includes a gas delivery pipe, and an electric valve is fixedly installed on the surface of the gas delivery pipe.

[0014] Using the above technical solution, nitrogen is delivered to the inside of the energy storage tank through a gas pipeline.

[0015] Furthermore, a pressure gauge is installed on the top of the energy storage tank, and the pressure gauge is fixedly installed on the outer wall of the energy storage tank.

[0016] Using the above technical solution, the internal pressure of the tank can be observed through a pressure gauge.

[0017] Beneficial effects

[0018] This invention provides a low-noise and vibration-damping diaphragm accumulator buffer device. Compared with the prior art, it has the following advantages:

[0019] 1. The low-noise and vibration-damping diaphragm accumulator buffer device first causes the top plate to float up and down through the accumulator tank. When the top plate moves down, it compresses the second damping rod and causes the bottom sleeve of the rod to move outward. When the sleeve moves outward, it compresses the spring and causes the output axis of the first damping rod to move outward and be sleeved on the surface of the support rod, thereby buffering the pressure from above. This allows the vibration generated by the accumulator tank during operation to be buffered through the linkage structure equipped with the damper.

[0020] 2. This low-noise and vibration-damping diaphragm accumulator buffer device uses the vibration generated when hydraulic oil passes through the oil pipeline to transmit the vibration to the horizontal plate via the connecting rod. This causes the horizontal plate to move downward, thereby compressing the spring dampers at both ends, thus buffering the pressure in the pipeline and reducing noise. By supporting and buffering the hydraulic oil pipeline, the noise generated by pipeline vibration is reduced. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is an overall structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the buffer component structure of this utility model;

[0024] Figure 3 This is a utility model Figure 2 Enlarged view of the structure at point A in the middle;

[0025] Figure 4 This is a schematic diagram of the gas delivery component structure of this utility model;

[0026] Figure 5 This is a schematic diagram of the support component structure of this utility model.

[0027] In the diagram: 1. Energy storage tank; 2. Buffer assembly; 21. Tray; 22. Support leg; 23. Support block; 24. Damping rod one; 25. Rod sleeve; 26. Damping rod two; 27. Support rod; 28. Spring; 29. ​​Top plate; 3. Oil conveying device; 31. Oil conveying pipe; 32. Pipe valve; 33. Pipe clamp; 4. Support assembly; 41. U-shaped frame; 42. Spring damper; 43. Horizontal plate; 44. Connecting rod; 5. Gas conveying assembly; 51. Gas conveying pipe; 52. Electric valve; 6. Pressure gauge. Detailed Implementation

[0028] It should be noted that in the description of the embodiments of this application, the terms "front," "rear," "left," "right," "up," "down," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. The terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0029] The present application will be further described in detail below with reference to the accompanying drawings and embodiments.

[0030] Reference Figures 1 to 5 This application provides a low-noise and vibration-damping diaphragm accumulator buffer device, including an energy storage tank 1. A buffer assembly 2 is provided at the bottom of the energy storage tank 1. The buffer assembly 2 includes a tray 21, with support legs 22 fixedly connected to the bottom surface of the tray 21. A support block 23 is fixedly connected to a groove on the surface of the tray 21. Damping rods 24 are fixedly connected to both sides of the support block 23. A rod sleeve 25 is fixedly connected to the surface of the output shaft of the damping rod 24. A support rod 27 is fixedly connected to the end face of the output shaft of the damping rod 24. A spring 2 is sleeved on the outside of the support rod 27. 8. Spring 28 is fixedly connected to the side of sleeve 25. Support rod 27 movably passes through the output shaft of damping rod 24. Damping rod 26 is hinged to the surface of sleeve 25. Top plate 29 is provided above damping rod 26. The bottom end of damping rod 26 is hinged to the bottom surface of top plate 29. Top plate 29 is fixedly connected to the side wall of energy storage tank 1. Oil conveying device 3 is provided below energy storage tank 1. Oil conveying device 3 includes oil conveying pipe 31. Pipe valve 32 is fixedly installed on the surface of oil conveying pipe 31. Pipe clamp 33 is fixedly installed on the front end surface of oil conveying pipe 31.

[0031] In this embodiment, the buffer assembly 2 is located outside the energy storage tank 1. When the energy storage tank 1 is working, the vibration generated is reduced by the buffer assembly 2. The energy storage tank 1 first causes the top plate 29 to float up and down. When the top plate 29 moves down, it compresses the second damping rod 26 and causes the bottom sleeve 25 to move outward. When the sleeve 25 moves outward, it compresses the spring 28 and causes the output axis of the first damping rod 24 to move outward and fit onto the surface of the support rod 27, thereby buffering the pressure from above. The bottom of the first damping rod 24 is supported by the support block 23. The entire buffer assembly 2 is supported by the tray 21 and the support leg 22. An oil supply pipe 31 is connected directly below the center of the tray 21 and is controlled to start and stop by the pipe valve 32.

[0032] Reference Figures 1 to 5 In one aspect of this embodiment, the oil conveying device 3 is externally provided with a support assembly 4, which includes a U-shaped frame 41. A spring damper 42 is fixedly installed on the surface of the U-shaped frame 41. A horizontal plate 43 is fixedly connected to the top surface of the spring damper 42. A connecting rod 44 is fixedly connected to the middle of the bottom surface of the horizontal plate 43. The connecting rod 44 movably passes through the surface of the U-shaped frame 41, and the bottom of the connecting rod 44 is hinged to the pipe clamp 33. A gas conveying assembly 5 is provided on the top of the energy storage tank 1. The gas conveying assembly 5 includes a gas conveying pipe 51. An electric valve 52 is fixedly installed on the surface of the gas conveying pipe 51. A pressure gauge 6 is provided on the top of the energy storage tank 1 and is fixedly installed on the outer wall of the energy storage tank 1.

[0033] In this embodiment, a support component 4 for pipeline buffering is also provided on the outside of the oil pipeline 31. The connection between the pipeline and the energy storage tank 1 is flexible. When hydraulic oil passes through the oil pipeline 31, the resulting sway is transmitted to the horizontal plate 43 through the connecting rod 44, causing the horizontal plate 43 to move down, thereby compressing the spring dampers 42 at both ends, thus buffering the pressure of the pipeline and reducing noise. Nitrogen is supplied to the upper part of the energy storage tank 1 through the gas pipeline 51 and the start and stop are controlled by the electric valve 52. The internal pressure of the tank is observed through the pressure gauge 6.

[0034] Working principle: The buffer assembly 2 is set outside the energy storage tank 1. When the energy storage tank 1 is working, the vibration generated is reduced by the buffer assembly 2. The energy storage tank 1 first drives the top plate 29 to float up and down. When the top plate 29 moves down, it compresses the second damping rod 26 and causes the bottom sleeve 25 to move outward. When the sleeve 25 moves outward, it compresses the spring 28 and drives the output axis of the first damping rod 24 to move outward and fit onto the surface of the support rod 27, thereby buffering the pressure from above. The bottom of the first damping rod 24 is supported by the support block 23. The entire buffer assembly 2 is supported by the tray 21 and the support leg 22. An oil supply pipe 31 is connected to the center of the tray 21 and controlled by the pipe valve 32.

[0035] A support assembly 4 for pipeline buffering is also provided on the outside of the oil pipeline 31. The connection between the pipeline and the energy storage tank 1 is flexible. When hydraulic oil passes through the oil pipeline 31, the resulting sway is transmitted to the horizontal plate 43 through the connecting rod 44, causing the horizontal plate 43 to move down, thereby compressing the spring dampers 42 at both ends, thus buffering the pressure of the pipeline and reducing noise. Nitrogen is supplied through the gas pipeline 51 at the top of the energy storage tank 1, and the start and stop are controlled by the electric valve 52. The internal pressure of the tank is observed through the pressure gauge 6.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A low-noise and vibration-damping diaphragm accumulator buffer device, comprising an energy storage tank (1), characterized in that: The energy storage tank (1) is provided with a buffer assembly (2) at the bottom. The buffer assembly (2) includes a tray (21). A support leg (22) is fixedly connected to the bottom surface of the tray (21). A support block (23) is fixedly connected to the groove on the surface of the tray (21). A damping rod (24) is fixedly connected to both sides of the support block (23). A rod sleeve (25) is fixedly connected to the surface of the output shaft of the damping rod (24). A support rod (27) is fixedly connected to the end face of the output shaft of the damping rod (24). A spring (28) is sleeved on the outside of the support rod (27). The spring (28) is fixedly connected to the side of the rod sleeve (25). The support rod (27) moves through the inside of the output shaft of the damping rod (24).

2. The low-noise and vibration-damping diaphragm accumulator buffer device according to claim 1, characterized in that: A damping rod (26) is hinged to the surface of the sleeve (25). A top plate (29) is provided above the damping rod (26). The bottom end of the damping rod (26) is hinged to the bottom surface of the top plate (29). The top plate (29) is fixedly connected to the side wall of the energy storage tank (1).

3. The low-noise and vibration-damping diaphragm accumulator buffer device according to claim 2, characterized in that: An oil conveying device (3) is provided below the energy storage tank (1). The oil conveying device (3) includes an oil conveying pipe (31). A pipe valve (32) is fixedly installed on the surface of the oil conveying pipe (31). A pipe clamp (33) is fixedly installed on the front end surface of the oil conveying pipe (31).

4. The low-noise and vibration-damping diaphragm accumulator buffer device according to claim 3, characterized in that: The oil conveying device (3) is provided with a support assembly (4) on the outside. The support assembly (4) includes a U-shaped frame (41). A spring damper (42) is fixedly installed on the surface of the U-shaped frame (41). A horizontal plate (43) is fixedly connected to the top surface of the spring damper (42). A connecting rod (44) is fixedly connected to the middle of the bottom surface of the horizontal plate (43). The connecting rod (44) moves through the surface of the U-shaped frame (41). The bottom of the connecting rod (44) is hinged to the pipe clamp (33).

5. A low-noise and vibration-damping diaphragm accumulator buffer device according to claim 4, characterized in that: The energy storage tank (1) is provided with a gas transmission assembly (5) on top. The gas transmission assembly (5) includes a gas transmission pipe (51), and an electric valve (52) is fixedly installed on the surface of the gas transmission pipe (51).

6. A low-noise and vibration-damping diaphragm accumulator buffer device according to claim 5, characterized in that: A pressure gauge (6) is provided on the top of the energy storage tank (1), and the pressure gauge (6) is fixedly installed on the outer wall of the energy storage tank (1).