Particle damping shock absorber

Abstract

The utility model discloses a particle damping shock absorber which is applied to a multi-pipeline gathering position, at the multi-pipeline gathering position, a plurality of branch pipelines are gathered at a first part of a main pipeline, the first part of the main pipeline is a reducing pipeline, and the particle damping shock absorber comprises a plurality of shock absorption parts. The multiple vibration reduction parts are arranged on the peripheral wall of the first part of the main pipeline in a sleeving mode in the circumferential direction and distributed with the multiple branch pipelines in a staggered mode. The inner arc walls of the multiple vibration reduction parts can be attached to the outer circumferential wall of the first part of the main pipeline in a matched mode. According to the scheme, the multiple vibration reduction parts can be arranged on the peripheral wall of the first part of the main pipeline in the matched mode in the circumferential direction, and the multiple vibration reduction parts and the multiple branch pipelines are distributed in a staggered mode, so that the particle damping vibration absorber can be arranged on the multi-pipeline gathering part in a matched mode, and the requirement for installation of the multi-pipeline gathering part can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of vibration damping, and particularly relates to a particle damping shock absorber. Background Art

[0002] In engineering practice, vibration control of a structural system is usually achieved by vibration isolation and vibration damping methods. Among them, vibration damping uses various forms of damping as a medium, and utilizes damping materials to absorb and consume the energy generated in the vibrating structure to achieve the effect of vibration damping. Among them, for a particle damping shock absorber, a container filled with damping particle material is fixed on the vibrating structure. Through the vibration of the structure, momentum is transferred to the particles, causing interaction between the particles. Inelastic collision and friction between the particles and between the particles and the container result in energy dissipation, thereby reducing the structural vibration.

[0003] In the field of pipeline vibration damping, the parts with severe pipeline vibration are usually the multi-pipeline convergence parts and the pipeline bending parts; among them, the multi-pipeline convergence part is where multiple branch pipelines converge on the main pipeline. The existing particle damping shock absorbers can be installed at the multi-pipeline convergence parts, and the particle damping shock absorbers are usually installed at the convergence part of the main pipeline (equal-diameter pipelines), and are staggeredly distributed with multiple branch pipelines.

[0004] For the case where the convergence part of the main pipeline in the multi-pipeline convergence part is a stepped pipeline, such as the convergence part of the main pipeline is a frustum-shaped pipeline or a pipeline with an elliptical radial cross-sectional shape; however, the current particle damping shock absorbers cannot meet the installation requirements of such multi-pipeline convergence parts. Summary of the Utility Model

[0005] In view of this, the utility model provides a particle damping shock absorber, which can be adaptively installed at such multi-pipeline convergence parts, that is, it can meet the installation requirements of such multi-pipeline convergence parts.

[0006] To achieve the above object, the utility model provides the following technical solutions:

[0007] A particle damping shock absorber is applied to a multi-pipeline convergence place. Wherein, at the multi-pipeline convergence place, multiple branch pipelines converge on the first part of the main pipeline, and the first part of the main pipeline is a stepped pipeline. The particle damping shock absorber includes multiple vibration damping parts, and the multiple vibration damping parts are sleeved on the outer peripheral wall of the first part of the main pipeline along the circumferential direction and are staggeredly distributed with the multiple branch pipelines; wherein, the inner arc walls of the multiple vibration damping parts can be adaptively fitted to the outer peripheral wall of the first part of the main pipeline.

[0008] Preferably, a plurality of the damping portions are sleeved on the outer peripheral wall of the first portion of the main pipeline at intervals in the circumferential direction to form a plurality of gaps, and a plurality of the branch pipelines are respectively located in the plurality of gaps; wherein, the inner arc walls of the plurality of damping portions can respectively be adapted to the corresponding portions of the outer peripheral wall of the first portion of the main pipeline.

[0009] Preferably, the plurality of damping portions are respectively a first damping portion, a second damping portion and a third damping portion;

[0010] The first damping portion, the second damping portion and the third damping portion are sleeved on the outer peripheral wall of the first portion of the main pipeline at intervals in the circumferential direction, and are fixedly connected by connecting components between every two of them.

[0011] Preferably, the radian of the first damping portion is 90°, and its inner arc wall can be adapted to the first left half portion of the outer peripheral wall of the first portion of the main pipeline;

[0012] The radian of the second damping portion is 90°, and its inner arc wall can be adapted to the first right half portion of the outer peripheral wall of the first portion of the main pipeline;

[0013] The radian of the third damping portion is 180°, and its inner arc wall can be adapted to the second half portion of the outer peripheral wall of the first portion of the main pipeline.

[0014] Preferably, the inner arc wall of the first damping portion is a first inner arc plate, the first inner arc plate;

[0015] The inner arc wall of the second damping portion is a second inner arc plate, the second inner arc plate;

[0016] The inner arc wall of the third damping portion is a third inner arc plate, the third inner arc plate.

[0017] Preferably, the first end of the first damping portion has a first connecting plate, and the second end has a second connecting plate;

[0018] The first end of the second damping portion has a third connecting plate, and the second end has a fourth connecting plate;

[0019] The first end of the third damping portion has a fifth connecting plate, and the second end has a sixth connecting plate;

[0020] Wherein, the first connecting plate is adjacent to the third connecting plate and is fixedly connected by a first connecting component; the fourth connecting plate is adjacent to the fifth connecting plate and is fixedly connected by a second connecting component; the sixth connecting plate is adjacent to the second connecting plate and is fixedly connected by a third connecting component.

[0021] Preferably, the first connecting plate and the second connecting plate respectively extend towards the outside of the outer arc wall of the first damping part;

[0022] The third connecting plate and the fourth connecting plate respectively extend towards the outside of the outer arc wall of the second damping part;

[0023] The fifth connecting plate and the sixth connecting plate respectively extend towards the outside of the outer arc wall of the third damping part;

[0024] Wherein, the extending part of the first connecting plate and the extending part of the third connecting plate are fixedly connected by a first bolt assembly; the extending part of the fourth connecting plate and the extending part of the fifth connecting plate are fixedly connected by a second bolt assembly; the extending part of the sixth connecting plate and the extending part of the second connecting plate are fixedly connected by a third bolt assembly.

[0025] Preferably, the first part of the outer arc wall of the first damping part close to the extending part of the first connecting plate is the first end plate;

[0026] The first part of the outer arc wall of the second damping part close to the extending part of the third connecting plate is the second end plate.

[0027] Preferably, a first reinforcing rib is provided between the extending part of the first connecting plate and the first end plate, and a second reinforcing rib is provided between the extending part of the second connecting plate and the outer arc wall of the first damping part;

[0028] A third reinforcing rib is provided between the extending part of the third connecting plate and the second end plate, and a fourth reinforcing rib is provided between the extending part of the fourth connecting plate and the outer arc wall of the second damping part;

[0029] A fifth reinforcing rib is provided between the extending part of the fifth connecting plate and the outer arc wall of the third damping part, and a sixth reinforcing rib is provided between the extending part of the sixth connecting plate and the outer arc wall of the third damping part.

[0030] As can be seen from the above technical solutions, in the particle damping shock absorber provided by the present utility model, multiple damping parts can be circumferentially and adaptively sleeved on the outer peripheral wall of the first part of the main pipeline and are distributed in a staggered manner with multiple branch pipelines, so that the particle damping shock absorber can be adaptively installed at such multi-pipeline converging parts, that is, it can meet the installation requirements of such multi-pipeline converging parts. Description of the Drawings

[0031] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0032] Figure 1 Structural schematic diagram of the particle damper provided by the embodiment of the present invention;

[0033] Figure 2 Another structural schematic diagram of the particle damper provided by the embodiment of the present invention;

[0034] Figure 3 Still another structural schematic diagram of the particle damper provided by the embodiment of the present invention;

[0035] Figure 4 Schematic diagram of the particle damper to be installed on the equipment provided by the embodiment of the present invention;

[0036] Figure 5 Installation schematic diagram of the particle damper on the equipment provided by the embodiment of the present invention.

[0037] Among them, 1 is the first damping part, 11 is the first inner arc plate, 12 is the first connecting plate, 13 is the second connecting plate, 14 is the first end plate, 15 is the first reinforcing rib, 16 is the second reinforcing rib, 17 is the first outer arc plate, and 18 is the first side plate;

[0038] 2 is the second damping part, 21 is the second inner arc plate, 22 is the third connecting plate, 23 is the fourth connecting plate, 24 is the second end plate, 25 is the third reinforcing rib, 26 is the fourth reinforcing rib, 27 is the second outer arc plate, and 28 is the third side plate;

[0039] 3 is the third damping part, 31 is the third inner arc plate, 32 is the fifth connecting plate, 33 is the sixth connecting plate, 34 is the fifth reinforcing rib, 35 is the sixth reinforcing rib, 36 is the third outer arc plate, and 37 is the fifth side plate; 4 is the main pipeline. Detailed implementation manners

[0040] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0041] The particle damping vibration absorber provided in the embodiment of the utility model is applied to a place where multiple pipes converge, wherein multiple branch pipes converge into a first part of a main pipe 4, and the first part of the main pipe 4 is a variable diameter pipe, such as Figure 1 As shown, the particle damping vibration absorber includes multiple vibration-damping parts, which are circumferentially mounted on the outer peripheral wall of the first part of the main pipe 4 and staggered with multiple branch pipes; wherein the inner arc walls of the multiple vibration-damping parts can be adapted to fit the outer peripheral wall of the first part of the main pipe 4.

[0042] It should be noted that a plurality of branch pipes (not shown in the figure) converge and communicate with the first part of the main pipe 4, and the first part of the main pipe 4 is the converging part of the main pipe 4, wherein the first part of the main pipe 4 is a variable diameter pipe, that is, the first part of the main pipe 4 can be a truncated cone-shaped pipe (whose pipe diameter increases or decreases along the axial direction), or can be a pipe with an elliptical radial cross section, or can even be a conical pipe, such as Figure 4 and Figure 5 As shown, and this multi-pipeline confluence may be a pipeline structure on a generator set device; Figure 1 As shown, the particle damping vibration absorber includes a plurality of vibration-damping parts, which are circumferentially sleeved on the outer peripheral wall of the first part of the main pipe 4 and staggered with the plurality of branch pipes, that is, the plurality of branch pipes are staggered one by one to avoid interference between the plurality of vibration-damping parts and the plurality of branch pipes; wherein each vibration-damping part includes: a vibration-damping shell and damping particles filled in the vibration-damping shell; of course, in fact, a plurality of vibration-damping shells are circumferentially sleeved on the outer peripheral wall of the first part of the main pipe 4 and staggered with the plurality of branch pipes; and the inner arc walls of the plurality of vibration-damping parts can be adapted to fit the outer peripheral wall of the first part of the main pipe 4, in fact, the inner arc walls of the plurality of vibration-damping shells can be adapted to fit the outer peripheral wall of the first part of the main pipe 4, that is, the shapes of the inner arc walls of the plurality of vibration-damping shells are respectively adapted to the shapes of the corresponding parts of the outer peripheral wall of the first part of the main pipe 4, so that the particle damping vibration absorber can be adapted to be installed in such a multi-pipeline converging part, that is, it can meet the installation requirements of such a multi-pipeline converging part. Of course, as Figures 1 to 3 The particle damping vibration absorber shown can be adapted to be installed at a multi-pipe confluence location where the first portion of the main pipe 4 can be a truncated cone-shaped pipe.

[0043] That is to say, according to the structure of the converging part of the main pipeline 4 in the multi-pipeline converging part, the particle damping vibration absorber designed in this scheme can be adapted and installed in the multi-pipeline converging part where the converging part of the main pipeline 4 is a variable diameter pipe, and this can also efficiently utilize the limited space of the pipeline system and realize the optimization of the particle damping vibration absorber.

[0044] In this scheme, if Figure 1As shown, a plurality of vibration damping parts are sleeved on the outer peripheral wall of the first part of the main pipe 4 at circumferential intervals and form a plurality of gaps, and a plurality of branch pipes are respectively located in the plurality of gaps; wherein, the inner arc walls of the plurality of vibration damping parts can respectively adapt to the corresponding parts of the outer peripheral wall of the first part of the main pipe 4.

[0045] Among them, a plurality of vibration damping parts are sleeved (surrounded) on the outer peripheral wall of the first part of the main pipe 4 at circumferential intervals to facilitate the formation of a plurality of gaps, so that a plurality of branch pipes can be respectively located in the plurality of gaps to ensure that there is no interference between the plurality of vibration damping parts and the plurality of branch pipes; moreover, the plurality of vibration damping parts are arranged at circumferential intervals, which also facilitates the inner arc walls of the plurality of vibration damping parts to be adapted and attached to the outer peripheral wall of the first part of the main pipe 4; wherein, the inner arc walls of the plurality of vibration damping parts can respectively adapt to the corresponding parts of the outer peripheral wall of the first part of the main pipe 4, that is, the shapes of the inner arc walls of the plurality of vibration damping parts can respectively adapt (match) to the shapes of the corresponding parts of the outer peripheral wall of the first part of the main pipe 4, so as to ensure that the inner arc walls of the plurality of vibration damping parts distributed at circumferential intervals can be adapted and attached to the corresponding parts of the outer peripheral wall of the first part of the main pipe 4.

[0046] Specifically, as Figure 1 shown, the plurality of vibration damping parts are respectively the first vibration damping part 1, the second vibration damping part 2 and the third vibration damping part 3;

[0047] The first vibration damping part 1, the second vibration damping part 2 and the third vibration damping part 3 are sleeved on the outer peripheral wall of the first part of the main pipe 4 at circumferential intervals, and are connected and fixed to each other by connecting components, so that the first vibration damping part 1, the second vibration damping part 2 and the third vibration damping part 3 are sleeved and fixed on the outer peripheral wall of the first part of the main pipe 4 at circumferential intervals, that is, the present particle damping vibration damper is adapted and fixed on the main pipe 4 at the multi-pipeline converging part. Among them, the connecting components will cross the gaps between the first vibration damping part 1, the second vibration damping part 2 and the third vibration damping part 3, but will not interfere with the branch pipes where the gaps are located; moreover, in this case, the number of branch pipes is three accordingly. Of course, when the number of branch pipes is four, correspondingly, the number of vibration damping parts can be four, that is, they can be the first vibration damping part, the second vibration damping part, the third vibration damping part and the fourth vibration damping part respectively, which will not be elaborated here.

[0048] Further, as described above, the number of branch pipes can be three, namely the first branch pipe, the second branch pipe, and the third branch pipe. Among them, the arc interval between the first branch pipe and the second branch pipe can be 90°, the arc interval between the second branch pipe and the third branch pipe can be 90°, and the arc interval between the third branch pipe and the first branch pipe can be 180°. To enable the first damping part 1, the second damping part 2, and the third damping part 3 to be reasonably spaced circumferentially and fitted around the outer peripheral wall of the first part of the main pipe 4. Accordingly, as Figure 1 shown, the arc of the first damping part 1 is 90°, and its inner arc wall can be fitted with the first left half of the outer peripheral wall of the first part of the main pipe 4;

[0049] the arc of the second damping part 2 is 90°, and its inner arc wall can be fitted with the first right half of the outer peripheral wall of the first part of the main pipe 4;

[0050] the arc of the third damping part 3 is 180°, and its inner arc wall can be fitted with the second half of the outer peripheral wall of the first part of the main pipe 4.

[0051] It should be noted that the first left half of the outer peripheral wall of the first part of the main pipe 4 can be the upper left half (a quarter part of the outer peripheral wall) of the outer peripheral wall of the first part of the main pipe 4; the first right half of the outer peripheral wall of the first part of the main pipe 4 can be the upper right half (another quarter part of the outer peripheral wall) of the outer peripheral wall of the first part of the main pipe 4; the second half of the outer peripheral wall of the first part of the main pipe 4 can be the lower half (the other half part of the outer peripheral wall) of the outer peripheral wall of the first part of the main pipe 4;

[0052] The arc of the first damping part 1 is 90°, and its inner arc wall can be fitted with the first left half of the outer peripheral wall of the first part of the main pipe 4, that is, the shape of its inner arc wall is adapted to the shape of the first left half of the outer peripheral wall of the first part of the main pipe 4; the arc of the second damping part 2 is 90°, and its inner arc wall can be fitted with the first right half of the outer peripheral wall of the first part of the main pipe 4, that is, the shape of its inner arc wall is adapted to the shape of the first right half of the outer peripheral wall of the first part of the main pipe 4; the arc of the third damping part 3 is 180°, and its inner arc wall can be fitted with the second half of the outer peripheral wall of the first part of the main pipe 4, that is, the shape of its inner arc wall is adapted to the shape of the second half of the outer peripheral wall of the first part of the main pipe 4. That is to say, the inner arc walls of the first damping part 1, the second damping part 2, and the third damping part 3 are of different shapes and are designed based on the structures of the corresponding parts of the outer peripheral wall of the first part of the main pipe 4.

[0053] Still further, as Figure 3As shown, the inner arc wall of the first damping part 1 is the first inner arc plate 11; among them, when the first part of the main pipeline 4 is a frustum-shaped pipeline, the structure of the first inner arc plate 11 can be a quarter part of the outer peripheral wall of the frustum.

[0054] The inner arc wall of the second damping part 2 is the second inner arc plate 21; among them, when the first part of the main pipeline 4 is a frustum-shaped pipeline, the structure of the second inner arc plate 21 can be another quarter part of the outer peripheral wall of the frustum.

[0055] The inner arc wall of the third damping part 3 is the third inner arc plate 31; among them, when the first part of the main pipeline 4 is a frustum-shaped pipeline, the structure of the third inner arc plate 31 can be the remaining half part of the outer peripheral wall of the frustum.

[0056] That is to say, as Figure 3 shown, the first inner arc plate 11, the second inner arc plate 21, and the third inner arc plate 31 are all irregular curved plates, which are adaptively designed based on the non-uniform diameter structure (non-standard cylindrical structure) of the outer peripheral wall of the first part of the main pipeline, so as to facilitate the tight fitting of multiple damping parts on the outer peripheral wall of the first part of the main pipeline.

[0057] In this solution, as Figure 2 shown, the first end of the first damping part 1 has a first connecting plate 12, and the second end has a second connecting plate 13;

[0058] The first end of the second damping part 2 has a third connecting plate 22, and the second end has a fourth connecting plate 23;

[0059] The first end of the third damping part 3 has a fifth connecting plate 32, and the second end has a sixth connecting plate 33;

[0060] Among them, the first connecting plate 12 is adjacent to the third connecting plate 22 and is fixedly connected through a first connecting component; the fourth connecting plate 23 is adjacent to the fifth connecting plate 32 and is fixedly connected through a second connecting component; the sixth connecting plate 33 is adjacent to the second connecting plate 13 and is fixedly connected through a third connecting component. This solution is designed in this way to facilitate the connection and fixation between any two of the first damping part 1, the second damping part 2, and the third damping part 3, that is, to make any two of them have connecting plates, and thus it is convenient for the connection and fixation of the connecting components.

[0061] In addition, it should also be noted that, as Figure 2As shown in the figure, the first damping part 1, the second damping part 2, and the third damping part 3 all include: an inner arc plate, an outer arc plate, two connecting plates, two side plates, and damping particles; among them, the inner arc plate, the outer arc plate, two connecting plates, and two side plates enclose a damping housing (i.e., the damping housing described above, which has a cavity for filling damping particles), and the damping particles are filled in the housing; more specifically, as Figure 2 shown, the first damping part 1 includes: a first inner arc plate 11, a first outer arc plate 17, a first connecting plate 12, a second connecting plate 13, a first side plate 18, and a second side plate. The first inner arc plate 11, the first outer arc plate 17, the first connecting plate 12, the second connecting plate 13, the first side plate 18, and the second side plate enclose and are welded to form a first damping housing. Among them, the first inner arc plate 11 is equivalent to the inner arc wall of the first damping part 1, the first outer arc plate 17 is equivalent to the outer arc wall of the first damping part 1, the first connecting plate 12 and the second connecting plate 13 are respectively equivalent to the two end connecting plates of the first damping part 1 (circumferentially spaced), and the first side plate 18 and the second side plate are respectively equivalent to the two end plates of the first damping part 1 (axially spaced, and also equivalent to cover plates for covering the damper); of course, since the first inner arc plate 11 needs to be adapted to the first left half of the outer peripheral wall of the first part of the main pipe 4, when the first part of the main pipe 4 is a frustum-shaped pipe, correspondingly, the sizes of the first side plate 18 and the second side plate are different. Similarly, the structural forms of the second damping part 2 and the third damping part 3 can refer to the structural form of the first damping part 1, and will not be elaborated here.

[0062] Specifically, as Figure 2 shown, the first connecting plate 12 and the second connecting plate 13 respectively extend to the outside of the outer arc wall of the first damping part 1; among them, the first connecting plate 12 and the second connecting plate 13 can respectively extend outward along the normal line of the outer arc wall of the first damping part 1;

[0063] The third connecting plate 22 and the fourth connecting plate 23 respectively extend to the outside of the outer arc wall of the second damping part 2; among them, the third connecting plate 22 and the fourth connecting plate 23 can respectively extend outward along the normal line of the outer arc wall of the second damping part 2;

[0064] The fifth connecting plate 32 and the sixth connecting plate 33 respectively extend to the outside of the outer arc wall of the third damping part 3; among them, the fifth connecting plate 32 and the sixth connecting plate 33 can respectively extend outward along the normal line of the outer arc wall of the third damping part 3;

[0065] Among them, the extended part of the first connecting plate 12 and the extended part of the third connecting plate 22 are fixedly connected by the first bolt assembly; the extended part of the fourth connecting plate 23 and the extended part of the fifth connecting plate 32 are fixedly connected by the second bolt assembly; the extended part of the sixth connecting plate 33 and the extended part of the second connecting plate 13 are fixedly connected by the third bolt assembly.

[0066] That is to say, both ends of the first damping part 1, the second damping part 2, and the third damping part 3 have extended connecting plates, and then the connecting plates of the first damping part 1, the second damping part 2, and the third damping part 3 are fixedly connected pairwise through bolt assemblies. In this way, the connection and fixation between the first damping part 1, the second damping part 2, and the third damping part 3 pairwise can be made more convenient. Correspondingly, as Figure 2 shown, bolt through-holes are provided in the connecting plates of the first damping part 1, the second damping part 2, and the third damping part 3 pairwise. Of course, the connecting plates of the first damping part 1, the second damping part 2, and the third damping part 3 pairwise can also extend axially, which will not be elaborated here.

[0067] Therefore, it is not difficult to see that in the particle damping shock absorber provided by this solution, multiple damping parts are circumferentially and adaptively sleeved on the outer peripheral wall of the first part of the main pipeline 4, and are misaligned with multiple branch pipelines, and adjacent two damping parts are connected and fixed through bolt assemblies, so that multiple damping parts are spaced and sleeved and fixed on the outer peripheral wall of the first part of the main pipeline 4. The damping particles in multiple damping parts interact under the vibration of the pipeline, and the energy is consumed through the collision and friction between the damping particles, thereby achieving the damping effect.

[0068] Furthermore, as Figure 2 shown, the first part of the outer arc wall of the first damping part 1 near the extended part of the first connecting plate 12 is the first end plate 14, and the first end plate 14 is used for the sealing of the first damping part damper;

[0069] The first part of the outer arc wall of the second damping part 2 near the extended part of the third connecting plate 22 is the second end plate 24, and the second end plate 24 is used for the sealing of the second damping part damper. Among them, as Figure 2 shown, the remaining part of the outer arc wall of the first damping part 1 is the first outer arc plate 17, and the remaining part of the outer arc wall of the second damping part 2 is the second outer arc plate 27.

[0070] Still further, as Figure 2As shown, a first reinforcing rib 15 is provided between the extending portion of the first connecting plate 12 and the first end plate 14, and a second reinforcing rib 16 is provided between the extending portion of the second connecting plate 13 and the outer arc wall of the first damping portion 1; that is, a second reinforcing rib 16 is provided between the extending portion of the second connecting plate 13 and the first outer arc plate 17 of the first damping portion.

[0071] As Figure 2 shown, a third reinforcing rib 25 is provided between the extending portion of the third connecting plate 22 and the second end plate 24, and a fourth reinforcing rib 26 is provided between the extending portion of the fourth connecting plate 23 and the outer arc wall of the second damping portion 2; that is, a fourth reinforcing rib 26 is provided between the extending portion of the fourth connecting plate 23 and the second outer arc plate 27 of the second damping portion.

[0072] As Figure 2 shown, a fifth reinforcing rib 34 is provided between the extending portion of the fifth connecting plate 32 and the outer arc wall of the third damping portion 3, and a sixth reinforcing rib 35 is provided between the extending portion of the sixth connecting plate 33 and the outer arc wall of the third damping portion 3. As Figure 3 shown, that is, a fifth reinforcing rib 34 is provided between the extending portion of the fifth connecting plate 32 and the third outer arc plate 36 of the third damping portion 3, and a sixth reinforcing rib 35 is provided between the extending portion of the sixth connecting plate 33 and the third outer arc plate 36 of the third damping portion 3.

[0073] That is to say, a reinforcing rib is provided between the extending portion of each end connecting plate of each damping portion and the outer arc wall, which can improve the structural stiffness of the extending portion of each end connecting plate of each damping portion, enhance the connection strength between any two of the first damping portion 1, the second damping portion 2 and the third damping portion 3, ensure the stability of the sleeving of the first damping portion 1, the second damping portion 2 and the third damping portion 3. Of course, this also helps to improve the structural stiffness of the particle damping shock absorber and ensure the service life of the particle damping shock absorber.

[0074] In addition, it should be noted that, as Figure 1 shown, there is a notch between the first damping portion 1 and the second damping portion 2 for avoiding other structures (not shown in the figure) near the multi-pipe gathering place, so as to prevent the particle damping shock absorber from interfering with this structure.

[0075] In this specification, each embodiment is described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the same or similar parts between each embodiment, reference can be made to each other.

[0076] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to these embodiments shown herein, but rather should be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A particle damping vibration absorber is used at the confluence of multiple pipes, wherein: At the confluence of the multiple pipes, the multiple branch pipes converge into the first part of the main pipe (4), the first part of the main pipe (4) being a variable diameter pipe, characterized in that the particle damping vibration isolator comprises a plurality of vibration-damping parts, the plurality of vibration-damping parts being circumferentially mounted on the outer peripheral wall of the first part of the main pipe (4), and being staggered with the plurality of branch pipes; wherein the inner arc walls of the plurality of vibration-damping parts can be adapted to fit the outer peripheral wall of the first part of the main pipe (4).

2. The particle damping vibration absorber according to claim 1, characterized in that: The plurality of vibration-damping portions are circumferentially spaced apart and sleeved on the outer peripheral wall of the first portion of the main pipe (4) to form a plurality of gaps, and the plurality of branch pipes are located one by one in the plurality of gaps; wherein the inner arc walls of the plurality of vibration-damping portions can respectively fit with corresponding portions of the outer peripheral wall of the first portion of the main pipe (4).

3. The particle damping vibration absorber according to claim 2, characterized in that: The plurality of vibration-damping parts are respectively a first vibration-damping part (1), a second vibration-damping part (2) and a third vibration-damping part (3); The first vibration damping part (1), the second vibration damping part (2) and the third vibration damping part (3) are sleeved on the outer peripheral wall of the first part of the main pipeline (4) at intervals along the circumferential direction, and are connected and fixed by a connecting component.

4. The particle damping vibration absorber according to claim 3, characterized in that: The arc of the first vibration-damping part (1) is 90°, and its inner arc wall is able to fit with the first left half of the outer peripheral wall of the first part of the main pipe (4); The arc of the second vibration-damping part (2) is 90°, and its inner arc wall is able to fit with the first right half of the outer peripheral wall of the first part of the main pipe (4); The arc of the third vibration-damping portion (3) is 180°, and its inner arc wall is able to fit with the second half of the outer peripheral wall of the first part of the main pipe (4).

5. The particle damping vibration absorber according to claim 4, characterized in that: The inner arc wall of the first vibration-damping part (1) is a first inner arc plate (11); The inner arc wall of the second vibration-damping part (2) is a second inner arc plate (21); The inner arc wall of the third vibration-damping part (3) is a third inner arc plate (31).

6. The particle damping vibration absorber according to claim 4, characterized in that: The first end of the first vibration-damping part (1) has a first connecting plate (12), and the second end has a second connecting plate (13); The first end of the second vibration-damping part (2) has a third connecting plate (22), and the second end has a fourth connecting plate (23); The first end of the third vibration-damping part (3) has a fifth connecting plate (32), and the second end has a sixth connecting plate (33); Wherein, the first connecting plate (12) is adjacent to the third connecting plate (22) and is connected and fixed by a first connecting component; the fourth connecting plate (23) is adjacent to the fifth connecting plate (32) and is connected and fixed by a second connecting component; the sixth connecting plate (33) is adjacent to the second connecting plate (13) and is connected and fixed by a third connecting component.

7. The particle damping vibration absorber according to claim 6, characterized in that: The first connecting plate (12) and the second connecting plate (13) respectively extend toward the outer side of the outer arc wall of the first vibration-damping part (1); The third connecting plate (22) and the fourth connecting plate (23) respectively extend toward the outer side of the outer arc wall of the second vibration-damping part (2); The fifth connecting plate (32) and the sixth connecting plate (33) respectively extend toward the outside of the outer arc wall of the third vibration-damping part (3); Wherein, the extended portion of the first connecting plate (12) and the extended portion of the third connecting plate (22) are connected and fixed by a first bolt assembly; the extended portion of the fourth connecting plate (23) and the extended portion of the fifth connecting plate (32) are connected and fixed by a second bolt assembly; and the extended portion of the sixth connecting plate (33) and the extended portion of the second connecting plate (13) are connected and fixed by a third bolt assembly.

8. The particle damping vibration absorber according to claim 7, characterized in that: The first part of the extension of the outer arc wall of the first vibration-damping part (1) close to the first connecting plate (12) is a first end plate (14); The first part of the extension of the outer arc wall of the second vibration-damping part (2) close to the third connecting plate (22) is a second end plate (24).

9. The particle damping vibration absorber according to claim 8, characterized in that: A first reinforcing rib (15) is provided between the extended portion of the first connecting plate (12) and the first end plate (14), and a second reinforcing rib (16) is provided between the extended portion of the second connecting plate (13) and the outer arc wall of the first vibration-damping portion (1); A third reinforcing rib (25) is provided between the extended portion of the third connecting plate (22) and the second end plate (24), and a fourth reinforcing rib (26) is provided between the extended portion of the fourth connecting plate (23) and the outer arc wall of the second vibration-damping portion (2); A fifth reinforcing rib (34) is provided between the extended portion of the fifth connecting plate (32) and the outer arc wall of the third vibration damping portion, and a sixth reinforcing rib (35) is provided between the extended portion of the sixth connecting plate (33) and the outer arc wall of the third vibration damping portion (3).

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