CN211082658U

CN211082658U - Composite shock absorber

Info

Publication number: CN211082658U
Application number: CN201921806585.0U
Authority: CN
Inventors: 陈东红; 王旭; 张明明; 姜国璠
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-24
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a compound shock absorber relates to damping technical field, has solved among the prior art technical problem that the vibration that mechanical equipment operation produced can produce a great deal of harm. The utility model discloses a composite vibration damper, including cavity, apron and damping subassembly, the cavity with form between the apron and be used for holding damping subassembly's space, and cavity and basic fixed mounting, damping subassembly is connected with the source equipment that shakes, with pass through damping subassembly will the source energy consumption and/or the isolation of shaking of source equipment. The composite vibration damper of the utility model can consume and isolate the vibration source energy of the vibration source equipment from the vibration source transmission path, thereby achieving the effect of high-efficiency vibration damping; the utility model discloses a composite damper when reaching the damping effect, can satisfy the vibration in special place, assault the environmental requirement, guarantees the reliability and the life of vibration source equipment structure.

Description

Composite shock absorber

Technical Field

The utility model relates to a damping technical field especially relates to a compound shock absorber.

Background

The vibration generated by the operation of mechanical equipment such as a compressor, a fan, a water pump and the like can cause a plurality of hazards, namely, abnormal abrasion and fatigue failure of the equipment are caused, and the service life and reliability of the mechanical equipment are reduced; secondly, noise is generated, and influences are generated on the surrounding environment; thirdly, for some special places, the operation vibration of the mechanical equipment can reduce the stealth performance of the mechanical equipment. Therefore, the vibration damping effect of the vibration damping installation of the mechanical equipment is particularly critical, and the provision of a high-efficiency vibration damper becomes a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to provide a compound shock absorber, solved among the prior art vibration that mechanical equipment operation produced can produce the technical problem of a great deal of harm. The technical effects that the preferred technical scheme of the utility model can produce are explained in detail in the following.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model discloses a composite vibration damper, including cavity, apron and damping subassembly, the cavity with form between the apron and be used for holding damping subassembly's space, and cavity and basic fixed mounting, damping subassembly is connected with the source equipment that shakes, with pass through damping subassembly will the source energy consumption and/or the isolation of shaking of source equipment.

According to a preferred embodiment, the vibration damping assembly comprises a vibration damping block and a vibration damping spring, wherein the vibration damping block is located below the cover plate, the vibration damping spring is located below the vibration damping block, the vibration damping block is connected with the vibration source device, and the vibration damping block and the vibration damping spring can move in the vertical direction so as to dissipate and/or isolate the vibration source energy of the vibration source device through the elastic displacement of the vibration damping block and the vibration damping spring in the vertical direction.

According to a preferred embodiment, a first through hole is formed in the vibration damping block, a boss matched with the first through hole is formed in one surface, in contact with the vibration damping block, of the cover plate, so that the vibration damping block is arranged below the cover plate by assembling the first through hole on the boss, and the vibration damping block can move in the vertical direction along the boss.

According to a preferred embodiment, the displacement travel of the damper mass in the vertical direction corresponds to the height of the boss.

According to a preferred embodiment, a cylinder is arranged on the vibration damping block, a second through hole matched with the cylinder is arranged on the cover plate, and the cylinder penetrates through the cover plate through the second through hole and is connected with the vibration source equipment.

According to a preferred embodiment, a first mounting hole is formed in the center of the column body, so that the vibration damping block is connected with the vibration source equipment through the first mounting hole.

According to a preferred embodiment, the vibration damping assembly further comprises a dynamic vibration absorber fixed to the bottom of the vibration damping block to dissipate and/or isolate the energy of the vibration source apparatus by the reactive force generated by the dynamic vibration absorber resonating with the vibration source apparatus.

According to a preferred embodiment, the cavity, the cover plate and/or the damping mass are machined from a damping alloy material.

According to a preferred embodiment, a first threaded hole is formed in the top surface of the cavity, and a second mounting hole is formed in the boss of the cover plate, so that a space for accommodating the vibration damping assembly is formed between the cavity and the cover plate through connection of the first threaded hole and the second mounting hole.

According to a preferred embodiment, a second threaded hole is formed in the bottom surface of the cavity, and the second threaded hole is located in the center of the bottom surface of the cavity, so that the cavity is fixedly installed with a foundation through the second threaded hole.

The utility model provides a compound shock absorber has following beneficial technological effect at least:

the utility model discloses a composite damper, through form the space that is used for holding the damping subassembly between cavity and apron to with cavity and basic fixed mounting, the damping subassembly is connected with vibration source equipment, can follow vibration source transmission route, consumes and keeps apart the vibration source energy of vibration source equipment, plays the effect of high-efficient damping; the utility model discloses a composite damper when reaching the damping effect, can satisfy the vibration in special place, assault the environmental requirement, guarantees the reliability and the life of vibration source equipment structure. Therefore, through using the utility model discloses a compound shock absorber can solve among the prior art a great deal of harm that the vibration that mechanical equipment operation produced caused.

Furthermore, the utility model discloses preferred technical scheme can also produce following technological effect:

the utility model discloses preferred technical scheme's compound shock absorber through with vibration source equipment fixing on the damping piece, utilizes damping piece and damping spring can attenuate the excitation of vibration source by a wide margin at the elastic displacement of vertical direction, plays the effect of high-efficient damping.

The utility model discloses preferred technical scheme's compound shock absorber can carry out accurate decay to the vibration source excitation of a certain narrow frequency through dynamic vibration absorber and vibration source equipment resonance principle, further plays the effect of high-efficient damping.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an exploded view of a preferred embodiment of the composite shock absorber of the present invention;

FIG. 2 is an assembled schematic view of a preferred embodiment of the compound shock absorber of the present invention;

FIG. 3 is a front view of a preferred embodiment of the compound shock absorber of the present invention;

FIG. 4 is a sectional view A-A of FIG. 3;

FIG. 5 is a schematic view of a preferred embodiment of the chamber of the present invention;

FIG. 6 is a schematic view of a preferred embodiment of the cover plate of the present invention;

figure 7 is a schematic view of a preferred embodiment of the damping block of the present invention.

In the figure: 1-a cavity; 2-cover plate; 3-a vibration damping block; 4-a damping spring; 5-a dynamic vibration absorber; 6-bolt; 101-a first threaded hole; 102-a second threaded hole; 201-a boss; 202-a second via; 301-a first via; 302-a cylinder; 2011-second mounting hole; 3021-first mounting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The composite vibration damper of the present embodiment will be described in detail with reference to fig. 1 to 7 of the specification.

The composite vibration damper of the embodiment comprises a cavity 1, a cover plate 2 and a vibration damping assembly, as shown in fig. 1. Preferably, a space for accommodating the vibration damping assembly is formed between the cavity 1 and the cover plate 2, the cavity 1 is fixedly mounted with the foundation, and the vibration damping assembly is connected with the vibration source equipment so as to dissipate and/or isolate the energy of the vibration source equipment through the vibration damping assembly.

In the composite vibration absorber of the embodiment, a space for accommodating the vibration attenuation component is formed between the cavity 1 and the cover plate 2, the cavity 1 and the foundation are fixedly installed, and the vibration attenuation component is connected with the vibration source equipment, so that the energy of the vibration source equipment can be consumed and isolated from a vibration source transmission path, and a high-efficiency vibration attenuation effect is achieved; the composite vibration absorber of the embodiment can meet the requirements of vibration and impact environments in special places while achieving the vibration absorbing effect, and ensures the reliability and the service life of the vibration source equipment structure. Therefore, by using the composite vibration absorber of the embodiment, a plurality of hazards caused by vibration generated by operation of mechanical equipment in the prior art can be solved.

According to a preferred embodiment, the damping assembly comprises a damping mass 3 and a damping spring 4, as shown in fig. 1. Preferably, the vibration damping block 3 is located below the cover plate 2, the vibration damping spring 4 is located below the vibration damping block 3, the vibration damping block 3 is connected with the vibration source device, and the vibration damping block 3 and the vibration damping spring 4 can move in the vertical direction to consume and/or isolate the vibration source energy of the vibration source device through the elastic displacement of the vibration damping block 3 and the vibration damping spring 4 in the vertical direction.

In the composite vibration absorber adopting the preferred technical scheme of the embodiment, the vibration source equipment is arranged on the vibration absorption block 3, and the vibration source excitation can be greatly attenuated by utilizing the elastic displacement of the vibration absorption block 3 and the vibration absorption spring 4 in the vertical direction, so that the effect of efficient vibration absorption is achieved.

According to a preferred embodiment, the damping block 3 is provided with a first through hole 301, as shown in fig. 7. The surface of the cover plate 2 contacting the damper block 3 is provided with a boss 201 matching with the first through hole 301, as shown in fig. 1 or fig. 6. The vibration damping block 3 is disposed below the cover plate 2 by fitting the first through hole 301 on the boss 201, and the vibration damping block 3 is allowed to move in the vertical direction along the boss 201. Preferably, the displacement stroke of the damper block 3 in the vertical direction is equivalent to the height of the boss 201.

According to a preferred embodiment, the damping mass 3 is provided with a post 302, as shown in fig. 1 or 7. The cover plate 2 is provided with a second through hole 202 matching with the cylinder 302, as shown in fig. 1 or 6. The cylinder 302 is connected to the vibration source device through the cover plate 2 via the second through hole 202. Preferably, the cylinder 302 is provided with a first mounting hole 3021 at the center thereof so that the damper block 3 is connected to the vibration source apparatus through the first mounting hole 3021, as shown in fig. 7. The first mounting hole 3021 of the damper block 3 is connected to the vibration source apparatus by a bolt 6, for example.

The damping block 3 and the damping spring 4 in the preferred technical scheme of the embodiment are assembled in the following way and generate elastic expansion displacement in the vertical direction to greatly attenuate the excitation of a vibration source:

the vibration damping block 3 in the preferred technical scheme of the embodiment is arranged between the cavity 1 and the cover plate 2, the first through hole 301 on the edge of the vibration damping block is matched with the boss 201 on the cover plate 2 for horizontal limiting installation, and meanwhile, the displacement stroke of the vibration damping block 3 in the vertical direction is reserved by the height of the boss 201; a cylinder 302 extending out of the vibration damping block 3 passes through the second through hole 202 on the cover plate 2 and is fixed with a machine foot of the vibration source equipment by using a first mounting hole 3021 on the cylinder 302; damping spring 4 encapsulates between cavity 1 is inside and damping piece 3, produces the flexible displacement of elasticity with damping piece 3 cooperation in vertical direction, utilizes damping piece 3 and damping spring 4 elastic displacement in vertical direction to attenuate by a wide margin the excitation of vibration source, plays the effect of high-efficient damping.

According to a preferred embodiment, the vibration damping assembly further comprises a dynamic vibration absorber 5, as shown in fig. 1 or 4. Preferably, the dynamic vibration absorber 5 is fixed to the bottom of the damper block 3 to dissipate and/or isolate the energy of the vibration source apparatus by the reaction force generated by the resonance of the dynamic vibration absorber 5 and the vibration source apparatus. Preferably, the dynamic vibration absorber 5 is a dynamic vibration absorber that is common in the art, and the structure thereof will not be described in detail.

The composite vibration absorber in the preferred technical scheme of the embodiment can accurately attenuate the excitation of a vibration source with a narrow frequency by using the resonance principle of the dynamic vibration absorber 5 and the vibration source equipment, and further has the effect of efficient vibration attenuation.

The dynamic vibration absorber 5 of the preferred technical solution of the present embodiment is assembled in the following manner and precisely attenuates the excitation of a vibration source with a narrow frequency:

the dynamic vibration absorber 5 of the preferred technical scheme of this embodiment is fixed at the bottom of the vibration damping block 3, and the vibration source equipment is installed on the cylinder 302 of the vibration damping block 3, so that the dynamic vibration absorber 5 can resonate with the vibration source equipment, and the excitation of the vibration source is reduced by using the reaction force generated by the resonance of the dynamic vibration absorber 5 and the vibration source equipment, thereby realizing accurate attenuation aiming at the excitation of a certain narrow-frequency vibration source and achieving the effect of efficient vibration damping.

According to a preferred embodiment, the cavity 1, the cover plate 2 and/or the damping mass 3 are machined from a damping alloy material. According to the preferred technical scheme of the embodiment, the cavity 1, the cover plate 2 and/or the vibration reduction block 3 are formed by processing damping alloy materials, and the damping effect of the composite vibration absorber can be further enhanced by using the damping materials, so that the vibration reduction effect of the composite vibration absorber is improved to a better level.

According to a preferred embodiment, the top surface of the chamber 1 is provided with a first threaded hole 101, as shown in fig. 5. The boss 201 of the cover plate 2 is provided with a second mounting hole 2011, as shown in fig. 6. The connection between the cavity 1 and the cover plate 2 via the first threaded hole 101 and the second mounting hole 2011 forms a space for accommodating the vibration damping module. Preferably, the first threaded hole 101 and the second mounting hole 2011 are connected by a bolt 6.

According to a preferred embodiment, the bottom surface of the cavity 1 is provided with a second threaded hole 102, and the second threaded hole 102 is located at the center of the bottom surface of the cavity 1, so that the cavity 1 is fixedly installed with the foundation through the second threaded hole 102, as shown in fig. 5.

FIG. 2 illustrates an assembly schematic of a preferred embodiment of the compound damper. In the composite vibration absorber adopting the preferred technical scheme of the embodiment, the vibration source equipment is arranged on the vibration attenuation block 3, the vibration source excitation can be greatly attenuated by utilizing the elastic displacement of the vibration attenuation block 3 and the vibration attenuation spring 4 in the vertical direction, and meanwhile, the dynamic vibration absorber 5 arranged at the bottom of the vibration attenuation block 3 and the resonance principle of the vibration source equipment are utilized to further absorb a certain narrow-frequency vibration excitation which is difficult to process, so that the high-efficiency vibration attenuation effect can be achieved; the boss 201 of utilizing cavity 1 and apron 2 cooperates spacing installation and reserves the elastic displacement space of damping subassembly in vertical direction, opens the firm installation of second screw hole 102 and basis in cavity 1 bottom simultaneously, and the compound shock absorber of the preferred technical scheme of this embodiment can be used to compressor, fan, water pump etc. can not only play high-efficient damping effect, can also guarantee the special occasion and resist shock, the requirement of vibration environment.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A composite vibration damper is characterized by comprising a cavity (1), a cover plate (2) and a vibration damping assembly, wherein a space for accommodating the vibration damping assembly is formed between the cavity (1) and the cover plate (2), the cavity (1) is fixedly installed with a foundation, and the vibration damping assembly is connected with vibration source equipment so as to dissipate and/or isolate vibration source energy of the vibration source equipment through the vibration damping assembly.

2. Compound shock absorber according to claim 1, characterized in that the damping assembly comprises a damping mass (3) and a damping spring (4), wherein,

the vibration reduction block (3) is located below the cover plate (2), the vibration reduction spring (4) is located below the vibration reduction block (3), the vibration reduction block (3) is connected with the vibration source equipment, and the vibration reduction block (3) and the vibration reduction spring (4) can move in the vertical direction so as to consume and/or isolate vibration source energy of the vibration source equipment through elastic displacement of the vibration reduction block (3) and the vibration reduction spring (4) in the vertical direction.

3. The compound damper according to claim 2, characterized in that the damper block (3) is provided with a first through hole (301), and the side of the cover plate (2) contacting the damper block (3) is provided with a boss (201) matching the first through hole (301), so that the damper block (3) is disposed below the cover plate (2) by fitting the first through hole (301) on the boss (201), and the damper block (3) can be moved in the vertical direction along the boss (201).

4. A compound damper according to claim 3, characterized in that the displacement travel of the damper mass (3) in the vertical direction corresponds to the height of the boss (201).

5. A compound damper according to claim 2, characterized in that the damper block (3) is provided with a cylinder (302), the cover plate (2) is provided with a second through hole (202) matching with the cylinder (302), and the cylinder (302) passes through the cover plate (2) via the second through hole (202) and is connected to the vibration source device.

6. The compound damper as claimed in claim 5, characterized in that the cylinder (302) is provided with a first mounting hole (3021) in the center so that the damper block (3) is connected to the source device through the first mounting hole (3021).

7. The compound damper according to claim 2, characterized in that the damping assembly further comprises a dynamic vibration absorber (5), the dynamic vibration absorber (5) being fixed to the bottom of the damper block (3) to dissipate and/or isolate the energy of the vibration source apparatus by the reaction force generated by the resonance of the dynamic vibration absorber (5) and the vibration source apparatus.

8. A composite vibration absorber according to claim 2, wherein the cavity (1), the cover plate (2) and/or the damping mass (3) are machined from a damping alloy material.

9. The compound damper according to claim 1, characterized in that the top surface of the cavity (1) is provided with a first threaded hole (101), and the boss (201) of the cover plate (2) is provided with a second mounting hole (2011), so that a space for accommodating the damping assembly is formed between the cavity (1) and the cover plate (2) through the connection of the first threaded hole (101) and the second mounting hole (2011).

10. The compound vibration absorber as claimed in claim 1, wherein the bottom surface of the cavity (1) is provided with a second threaded hole (102), and the second threaded hole (102) is located at the center of the bottom surface of the cavity (1) so that the cavity (1) is fixedly installed with a foundation through the second threaded hole (102).