Damper facilitating amplitude detection

By incorporating closed and open spring boxes and amplitude detectors into the damper, the shortcomings of existing dampers in multi-directional vibration reduction and real-time monitoring are solved, enabling multi-directional vibration reduction and real-time amplitude monitoring of pipelines and improving the safety of pipeline systems.

CN223924243UActive Publication Date: 2026-02-17HUBEI HONGTAI PETROCHEMICAL EQUIP CO LTD
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Patent Information

Application Number
CN202520676398.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-02-17
Estimated Expiration
2035-04-10

AI Technical Summary

Technical Problem

Existing spring dampers can only reduce vibration vertically upwards, and cannot reduce vibration in multiple directions of the pipeline. Furthermore, they cannot monitor the pipeline amplitude in real time, which may cause pipeline weld cracks and dangerous media leaks when the amplitude is too large.

Method used

A damper for easy amplitude detection was designed. It adopts a hollow support body with mounting plates on all four sides, with closed and open spring boxes inside, equipped with compression springs and elastic bodies. It is connected to an amplitude detector through a pin to realize multi-directional vibration reduction and real-time amplitude monitoring of pipelines.

Benefits of technology

It achieves multi-directional vibration reduction of pipelines and can monitor the amplitude in real time, improving the safety and stability of the pipeline system and preventing rupture and leakage caused by excessive amplitude.

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Abstract

The damper comprises a hollow supporting body and a pipeline, installation plates are arranged on the periphery of the hollow supporting body, the pipeline is located in the axis direction of the supporting body, and the inner wall of the supporting body is fixedly connected with at least one set of closed spring box and perforated spring box which are oppositely arranged. The inner wall of the closed spring box is fixedly connected with a pressure spring and a connector fixedly connected with the pressure spring, the connector is fixedly connected with an elastic body facing the pipeline, the inner wall of the perforated spring box is fixedly connected with a pressure spring and a connector fixedly connected with the pressure spring, the connector is fixedly connected with an elastic body facing the pipeline, and the connector is fixedly connected with an ejector pin. The ejector pin penetrates through the perforated spring box and is connected to an amplitude detector located outside the supporting body. According to the utility model, vibration reduction can be carried out on the pipeline from multiple directions, the vibration reduction effect of the damper on the pipeline is ensured, the amplitude detector can record the moving size of the ejector pin in real time, the amplitude detection is realized, information can be transmitted to a control system in time, and the operation safety of a pipeline system is improved.
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Description

Technical Field

[0001] This utility model relates to the field of damper technology, and in particular to a damper that facilitates amplitude detection. Background Technology

[0002] Pipeline systems are mainly used in various industrial pipelines such as water supply, drainage, heating, gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, and hydraulic engineering. During operation, sudden changes in the velocity and temperature of the liquid within the pipeline can cause rapid increases or decreases in pressure, resulting in vibration. Due to the complexity of pipeline systems, it is difficult to eliminate vibration at its source. Prolonged pipeline vibration can significantly shorten the pipeline's service life. Therefore, vibration damping is necessary to ensure the safe operation of the pipeline system. Dampers are general-purpose devices used for pipeline vibration reduction. Common types of pipeline dampers include viscous dampers, hydraulic dampers, and spring dampers. The appropriate damper should be selected based on the specific operating conditions of the pipeline equipment.

[0003] Common spring dampers can only reduce vibration vertically upwards, failing to mitigate multi-directional vibrations in pipelines and thus failing to effectively protect them. Furthermore, the greater the amplitude of pipeline vibration, the greater the damage. Pipeline vibration amplitude is not constant and can change at any time. Existing spring dampers cannot monitor pipeline amplitude in real time; excessive amplitude can easily cause ruptures at pipeline welds, potentially leading to accidents due to leakage of hazardous media. Utility Model Content

[0004] To address the technical problems of existing spring dampers, which can only reduce vibrations vertically upwards and cannot reduce vibrations in multiple directions of pipelines, and which cannot detect pipeline amplitude in real time, this utility model provides the following technical solution.

[0005] This utility model discloses a damper for easy amplitude detection, comprising a hollow support body with mounting plates around its perimeter and a pipe located along the axis of the support body. At least one set of oppositely arranged closed spring boxes and open spring boxes are fixedly connected to the inner wall of the support body. A compression spring and a connecting body fixedly connected to the compression spring are fixedly connected to the inner wall of the closed spring box. A compression spring and a connecting body fixedly connected to the compression spring are fixedly connected to the inner wall of the open spring box. An elastic body facing the pipe is fixedly connected to the connecting body. A pin is fixedly connected to the connecting body. The pin passes through the open spring box and connects to an amplitude detector located outside the support body.

[0006] As a further technical solution, the elastomer is made of rubber material.

[0007] As a further technical solution, the side of the elastomer facing the pipe matches the external shape of the pipe.

[0008] As a further technical solution, the outer periphery shape of the connector body matches the inner wall shape of the closed spring box, so that the connector body can slide on the inner wall of the closed spring box.

[0009] As a further technical solution, the ejector pin is slidably connected to the tail of the perforated spring box.

[0010] As a further technical solution, the closed spring box and the open spring box are in two sets, evenly distributed around the pipe.

[0011] The beneficial effects of this utility model are as follows: Two sets of oppositely arranged closed spring boxes and open spring boxes are installed around the support body. Compression springs for vibration damping are installed inside both the closed and open spring boxes. Compression springs on all sides of the pipeline buffer vibration, allowing for vibration damping from multiple directions and ensuring the damping effect of the damper. Furthermore, pins are installed inside the open spring boxes in both the horizontal and vertical directions. These pins are connected to an amplitude detector. Pipe vibration pushes the pins towards the amplitude detector, which records the movement of the pins in real time, thus achieving amplitude detection. This allows for timely transmission of information to the control system, improving the safety of the pipeline operation. Attached Figure Description

[0012] Figure 1 This is a cross-sectional schematic diagram of the damper of this utility model that facilitates vibration amplitude reduction;

[0013] In the diagram: 1-Support body; 2-Enclosed spring box; 3-Compression spring; 4-Connector; 5-Elastic body; 6-Pipe; 7-Ejector pin; 8-Mounting plate; 9-Open spring box; 10-Amplitude detector. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model. It should be noted that, unless otherwise specified, the embodiments and features described herein can be combined with each other.

[0015] In the description of this utility model, it should be understood that the terms "upper" and "lower" are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model 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 utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0016] like Figure 1 As shown, this utility model provides a damper for easy amplitude detection, comprising a hollow support body 1 with mounting plates 8 around its perimeter and a pipe 6 located along the axis of the support body 1. The mounting plates 8 are connected to a fixed steel frame, and the pipe 6 passes through the axis of the support body 1 to reduce vibration.

[0017] In a preferred embodiment, the support body 1 is a hollow cube structure. At least one set of oppositely arranged closed spring boxes 2 and open spring boxes 9 are fixedly connected to the inner wall of the support body 1. The closed spring boxes 2 are used for pipe vibration damping, and the open spring boxes 9 are used for both pipe vibration damping and detection of pipe amplitude. In this embodiment, two sets of closed spring boxes 2 and open spring boxes 9 are provided, each set being opposite to the other. The illustration shows one set of closed spring boxes 2 and open spring boxes 9 arranged horizontally, and a second set arranged vertically.

[0018] In a preferred embodiment, a compression spring 3 and a connecting body 4 fixedly connected to the inner wall of the closed spring box 2 are fixedly connected. An elastic body 5 facing the pipe 6 is fixedly connected to the connecting body 4. The elastic body 5 abuts against the pipe 6. When the pipe 6 vibrates, the elastic body 5 is compressed to dampen the vibration and transmits the vibration to the connecting body 4 and the compression spring 3. The connecting body 4 slides within the closed spring box 2 and compresses the compression spring 3. The compression spring 3, after being compressed by the vibration, generates a reverse damping force, which can dampen the pipe in the horizontal direction. The outer circumference shape of the connecting body 4 matches the inner wall shape of the closed spring box 2 to facilitate stable sliding of the connecting body 4 within the closed spring box 2 and to stably transmit the vibration to the compression spring 3, ensuring the stable operation of the damper during vibration damping.

[0019] In a preferred embodiment, a compression spring 3 and a connecting body 4 fixedly connected to the inner wall of the perforated spring box 9 are fixedly connected. An elastic body 5 facing the pipe 6 is fixedly connected to the connecting body 4. Similarly, the elastic body 5 abuts against the pipe 6. When the pipe 6 vibrates, the elastic body 5 is compressed to dampen the vibration and transmits the vibration to the connecting body 4 and the compression spring 3. The connecting body 4 slides within the closed spring box 2 and compresses the compression spring 3. After being compressed by the vibration, the compression spring 3 generates a reverse damping force, which can play a role in horizontal vibration damping of the pipe.

[0020] Furthermore, the connector 4 is fixedly connected to a pin 7, which is slidably connected to the tail of the perforated spring box 9. The tail of the perforated spring box 9 refers to the position where the perforated spring box 9 extends outside the support body 1. The pin 7 passes through the perforated spring box 9 and connects to the amplitude detector 10 located outside the support body 1. The amplitude detector 10 can monitor the amplitude of the pipe 6 in real time. When the pipe vibrates and moves horizontally, the elastic body 5 drives the connector 4 to move horizontally. The connector 4 then pushes the pin 7 towards the amplitude detector 10. At this time, the amplitude detector 10 can detect the horizontal amplitude of the pipe 6.

[0021] The above explains the vibration reduction principle and amplitude detection method when pipe 6 vibrates in the horizontal direction. Of course, this method is also used for vibration in the vertical direction of pipe 6.

[0022] In a preferred embodiment, the elastomer 5 is made of rubber material. The elastomer 5 can both dampen the pipe and transmit vibrations to the compression spring 3, while ensuring the durability of the damper. The shape of the elastomer 5 facing the pipe 6 matches the external shape of the pipe 6. The contact surfaces of the four elastomers 5 with the pipe 6 are approximately circular, which facilitates the elastomers 5 to accept multi-directional vibrations from the pipe 6.

[0023] The preferred embodiments and examples of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments and examples. Within the scope of knowledge possessed by those skilled in the art, various changes or equivalent substitutions can be made without departing from the concept of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A damper facilitating detection of amplitude, comprising a hollow support body (1) provided with a mounting plate (8) around the periphery and a duct (6) located in the axial direction of the support body (1), characterized in that: The inner wall of the support body (1) is fixedly connected with at least one set of oppositely arranged closed spring boxes (2) and open spring boxes (9), the inner wall of the closed spring box (2) is fixedly connected with a compression spring (3) and a connecting body (4) fixedly connected with the compression spring (3), the inner wall of the open spring box (9) is fixedly connected with a compression spring (3) and a connecting body (4) fixedly connected with the compression spring (3), the connecting body (4) is fixedly connected with an elastic body (5) facing the pipeline (6), the connecting body (4) is fixedly connected with a thimble (7), and the thimble (7) penetrates through the open spring box (9) and is connected to an amplitude detector (10) located outside the support body (1).

2. The amplitude-easy-to-detect damper according to claim 1, wherein: The elastic body (5) is made of rubber material.

3. The amplitude-easy-to-detect damper according to claim 1, wherein: The side of the elastic body (5) facing the pipeline (6) matches the outer shape of the pipeline (6).

4. The amplitude-easy-to-detect damper according to claim 1, wherein: The outer peripheral shape of the connecting body (4) matches the inner wall shape of the closed spring box (2), so that the connecting body (4) slides in the inner wall of the closed spring box (2).

5. The amplitude-easy-to-detect damper according to claim 1, wherein: The thimble (7) is in sliding connection with the tail of the open spring box (9).

6. The amplitude-easy-to-detect damper according to claim 1, wherein: The closed spring box (2) and the open spring box (9) are two sets, which are uniformly distributed around the pipeline (6).