CN210600430U - Combined device for controlling pipeline vibration - Google Patents

Abstract

The utility model discloses a combined device for pipe vibration control, comprising a pipe hoop assembly, a support (7), a rubber pad (8) and a bracket (10); the pipe hoop assembly is fastened and sleeved on the pipe ; The rubber pad (8) is arranged between the pipe hoop assembly and the pipe; the bracket (10) is fixed on the base, including the bottom plate and the two vertical plates that are fixedly connected, and the pipe hoop assembly is connected to the support (7), the support (7) is fixed above the two vertical plates; the middle part of the bottom plate between the two vertical plates is provided with a middle guide column (13), and the upper surface of the middle guide column (13) is connected to the support (7). There is a gap between the lower surfaces of the ); the middle guide column (13) is covered with a rigid washer (12) and a multi-piece disc spring (11) from bottom to top, and the top disc spring (11) and the support ( 7) Lower surface contact. The utility model has the advantages of simple structure and convenient use. By adjusting the rigidity of the pipeline supporting structure and using correspondingly designed clamps, the pipeline with severe vibration can be effectively controlled and the relevant vibration reduction requirements can be met.

Description

Combination unit for pipeline vibration control

technical field

The utility model relates to the technical field of mechanical structures, in particular to a combined device for pipeline vibration control.

Background technique

Pipelines are widely used in many fields of modern industry. At present, the total mileage of long-distance oil and gas pipelines in my country has exceeded 130,000 kilometers. In the pipelines that transport fluid medium and medium pressurization, especially the high-pressure pipelines connected with dynamic equipment, electromechanical equipment, etc., such as the inlet and outlet pipelines of various compressors and pumps, the stress situation is complex, and the pipelines are mostly under alternating loads. Vibration problems frequently occur during work, ranging from fatigue damage to serious accidents such as pipeline leakage and explosion.

At present, the vibration damping device composed of supports and hangers, pipe clamps, pipe clamps and rubber materials is still the most common for pipeline vibration control. There is no vibration control and adjustment function. Dampers, vibration isolators, etc. are also used in engineering, but the cost is high and the promotion is difficult. In order to break through the above limitations, it is practical and important to develop a vibration damping device with simple structure, low cost, convenient disassembly and assembly, and can realize stiffness adjustment and vibration control.

SUMMARY OF THE INVENTION

The purpose of the present utility model is to provide a combined device for pipeline vibration control, which has a simple structure and is easy to use. By adjusting the rigidity of the pipeline support structure and using correspondingly designed clamps, the severe vibration pipeline can be effectively controlled and the relevant vibration reduction requirements can be met. .

The purpose of this utility model is to realize through the following technical solutions:

A combined device for pipeline vibration control, comprising a pipe hoop assembly, a support 7, a rubber pad 8 and a bracket 10;

The pipe hoop assembly is tightly sleeved on the pipe; the rubber pad 8 is arranged between the pipe hoop assembly and the pipe;

The bracket 10 is fixed on the base body, and includes two vertical plates fixedly connected with the bottom plate, the pipe hoop assembly is connected to the support 7, and the support 7 is fixed above the two vertical plates;

The middle part of the bottom plate between the two vertical plates is provided with a middle guide column 13, and a gap is formed between the upper surface of the middle guide column 13 and the lower surface of the support 7;

The middle guide post 13 is covered with a rigid washer 12 and a plurality of disc springs 11 from bottom to top, and the top disc spring 11 is in contact with the lower surface of the support 7 .

The pipe clamp assembly includes an upper half pipe clamp 1 and a lower half pipe clamp 6 ; the upper half pipe clamp 1 and the lower half pipe clamp 6 are connected by bolt connectors.

The multi-plate disc springs 11 are arranged in a manner of being in abutment or overlapping with each other.

The rigid washers 12 are of different heights, and are arranged in single or multiple combinations.

It can be seen from the technical solutions provided by the present utility model that the combined device for pipeline vibration control provided by the embodiment of the present utility model has a simple structure and is easy to use. By adjusting the rigidity of the pipeline support structure, a correspondingly designed clamp is used. The severe vibration pipeline can be effectively controlled to meet the relevant vibration reduction requirements.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. , for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic structural diagram of a combined device for pipeline vibration control provided by an embodiment of the present invention;

2 is a schematic structural diagram of an upper half pipe hoop of a combined device for pipeline vibration control provided by an embodiment of the present utility model;

3 is a schematic diagram of a stacking structure of multiple disc springs of a combined device for pipeline vibration control provided by an embodiment of the present utility model;

4 is a schematic diagram of a multi-plate disc spring abutment structure of a combined device for pipeline vibration control provided by an embodiment of the present utility model;

FIG. 5 is a schematic structural diagram of the overlapping and overlapping combination of the combination device for pipeline vibration control provided by the embodiment of the present utility model;

FIG. 6 is a schematic structural diagram of a rigid washer of a combined device for pipeline vibration control provided by an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. . Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

As shown in FIG. 1 , a combined device for pipeline vibration control includes a pipe hoop assembly, a support 7 , a rubber pad 8 and a bracket 10 .

The pipe hoop assembly is fastened and sleeved on the pipeline; the pipe hoop assembly includes an upper half pipe hoop 1 and a lower half pipe hoop 6 ; the upper half pipe hoop 1 and the lower half pipe hoop 6 are connected by bolt connectors. The bolt connection 1 includes a bolt 2, a flat washer 3, a nut 4 and a lock nut 5, and is fixedly connected as shown in FIG. 1 .

As shown in Figure 2, the upper half pipe hoop 1 and the lower half pipe hoop 6 have the same structure, and are formed by stamping steel plates. The bending radius R of the flat steel is equal to its thickness.

The rubber pad 8 is arranged between the pipe hoop assembly and the pipe; specifically, it can be two pieces, one for the upper and the lower. The bracket 10 is fixed on the base body, and the base body generally refers to the ground, the wall or the bracket used for height and length adaptation. Concreting etc.

The bracket 10 includes a bottom plate and two vertical plates that are fixedly connected, and the bottom plate and the two vertical plates are welded. The pipe clamp assembly is connected to the support 7 , and the lower half pipe clamp 6 is welded to the support 7 . The support 7 is fixed above the two vertical plates; the bottom plate of the specific support 7 is fixed above the two vertical plates by bolts. There is also an inversion structure above the two vertical plates, which can withstand greater force.

The middle part of the bottom plate between the two vertical plates is provided with a middle guide column 13, the middle guide column 13 is welded to the bottom plate, and a gap is formed between the upper surface of the middle guide column 13 and the lower surface of the support 7, which is used to put the dish from above. The spring 11 and the rigid washer 12, the rigid washer 12 can also be placed in advance. In use, the middle guide post 13 is covered with a rigid washer 12 and a plurality of disc springs 11 from bottom to top, and the top disc spring 11 is in contact with the lower surface of the support 7 .

As shown in FIGS. 3 to 5 , the multi-plate disc springs 11 are arranged in a manner of being abutting or overlapping with each other. FIG. 3 shows the stacking method of the multiple disc springs 11 , FIG. 4 shows the stacking method of the multiple disc springs 11 , and FIG. 5 shows the stacking and stacking combination of the multiple disc springs 11 . The stiffness adjustment is realized by the number of disc springs 11 and the installation form (abutting, overlapping), so as to control the vibration.

As shown in FIG. 6 , the rigid washers 12 are of different heights, and are arranged in single or multiple combinations.

The rigid washer 12 determines the appropriate height series according to the installation quantity and installation form of the disc springs 11. The installation form of the disc springs can be abutment or stacking, wherein the abutment can reduce the stiffness, and the stacking can increase the stiffness. The specific stiffness adjustment can be used at the same time, including butt joint and superimposed hybrid installation, and the stiffness control can be achieved through different rigid washer thicknesses, the number of disc spring sheets, and different installation forms, so as to achieve the purpose of pipe vibration reduction.

Owing to adopting the above-mentioned technical scheme, the utility model has the following advantages and effects:

1. The utility model has the advantages of simple, stable and compact structure, low cost, strong impact resistance, convenient processing, disassembly and assembly, and flexible use.

2. The utility model can adjust the support rigidity to control the vibration of the pipeline.

3. The structure of the utility model is easy to enlarge, and is suitable for the vibration reduction control of the vibration pipeline in the petrochemical industry.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The changes or replacements should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (4)

1. A composite set for pipeline vibration control characterized in that: comprises a pipe hoop component, a support (7), a rubber pad (8) and a bracket (10);

the pipe hoop component is tightly sleeved on the pipeline; the rubber pad (8) is arranged between the pipe hoop assembly and the pipeline;

the support (10) is fixed on the base body and comprises a bottom plate and two vertical plates fixedly connected with the bottom plate, the pipe hoop assembly is connected with a support (7), and the support (7) is fixed above the two vertical plates;

a middle guide post (13) is arranged in the middle of the bottom plate between the two vertical plates, and a gap is formed between the upper surface of the middle guide post (13) and the lower surface of the support (7);

the middle guide post (13) is sleeved with a rigid washer (12) and a plurality of disc springs (11) from bottom to top, and the disc spring (11) at the top contacts with the lower surface of the support (7).

2. The combination for pipe vibration control as claimed in claim 1 wherein said pipe clamp assembly comprises an upper pipe clamp half (1) and a lower pipe clamp half (6); the upper half pipe hoop (1) is connected with the lower half pipe hoop (6) through a bolt connecting piece.

3. A combination for pipe vibration control as claimed in claim 1 or 2, wherein the plurality of disc springs (11) are arranged in a involution or superposition or combination with each other.

4. A combined device for pipe vibration control according to claim 1 or 2, characterized in that the rigid washers (12) are of different heights, arranged singly or in combination.

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