A composite shock absorber

Abstract

The present invention discloses a composite shock absorber, which relates to the field of vibration reduction technology and solves the technical problem in the prior art that vibrations generated by the operation of mechanical equipment can cause many hazards. The composite shock absorber of the present invention includes a cavity, a cover plate and a shock reduction assembly. A space for accommodating the shock reduction assembly is formed between the cavity and the cover plate, and the cavity is fixedly installed on a foundation. The shock reduction assembly is connected to a vibration source device to consume and / or isolate the vibration source energy of the vibration source device through the shock reduction assembly. The composite shock absorber of the present invention can consume and isolate the vibration source energy of the vibration source device from the vibration source transmission path, thereby achieving the effect of efficient vibration reduction; the composite shock absorber of the present invention can achieve the vibration reduction effect while meeting the vibration and impact environment requirements of special places, thereby ensuring the reliability and service life of the vibration source device structure.

Description

Technical Field

[0001] The present invention relates to the technical field of vibration reduction, and in particular to a composite vibration reducer. Background Art

[0002] The vibrations generated by the operation of mechanical equipment, such as compressors, fans, and pumps, can pose numerous risks. First, they can cause abnormal wear and fatigue failure, reducing the equipment's service life and reliability. Second, they can generate noise, impacting the surrounding environment. Third, in some specialized locations, the vibrations can reduce the equipment's stealth capabilities. Therefore, the effectiveness of vibration damping devices in mechanical equipment is crucial, and providing an efficient vibration damper has become a pressing technical challenge for those skilled in the art. Summary of the Invention

[0003] One of the objectives of the present invention is to provide a composite vibration damper that solves the technical problem in the prior art that vibrations generated by the operation of mechanical equipment can cause many harmful effects. The various technical effects that can be achieved by the preferred technical solution of the present invention are described in detail below.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] The composite vibration damper of the present invention includes a cavity, a cover plate and a vibration damping assembly. A space for accommodating the vibration damping assembly is formed between the cavity and the cover plate, and the cavity is fixedly installed on the foundation. The vibration damping assembly is connected to the vibration source equipment to consume and / or isolate the vibration source energy of the vibration source equipment through the vibration damping assembly.

[0006] According to a preferred embodiment, the vibration damping assembly includes 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 to the vibration source device, and the vibration damping block and the vibration damping spring are capable of moving 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 and the vibration damping spring in the vertical direction.

[0007] According to a preferred embodiment, a first through hole is provided on the vibration damping block, and a boss matching the first through hole is provided on the side of the cover plate in contact with the vibration damping block, so that the vibration damping block is arranged under 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.

[0008] According to a preferred embodiment, the vertical displacement of the vibration damping block is equivalent to the height of the boss.

[0009] According to a preferred embodiment, a column is provided on the vibration damping block, a second through hole matching the column is provided on the cover plate, and the column passes through the cover plate via the second through hole and is connected to the vibration source device.

[0010] According to a preferred embodiment, a first mounting hole is provided at the center of the column, so that the vibration damping block is connected to the vibration source device through the first mounting hole.

[0011] According to a preferred embodiment, the vibration reduction assembly further includes a dynamic vibration absorber, which is fixed to the bottom of the vibration reduction block to consume and / or isolate the vibration source energy of the vibration source device through the reaction force generated by the resonance between the dynamic vibration absorber and the vibration source device.

[0012] According to a preferred embodiment, the cavity, the cover plate and / or the vibration damping block are formed from a damping alloy material.

[0013] According to a preferred embodiment, a first threaded hole is provided on the top surface of the cavity, and a second mounting hole is provided on 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 the connection of the first threaded hole and the second mounting hole.

[0014] According to a preferred embodiment, a second threaded hole is provided on the bottom surface of the cavity, and the second threaded hole is located at the center of the bottom surface of the cavity, so that the cavity is fixedly mounted on the foundation through the second threaded hole.

[0015] The composite vibration damper provided by the present invention has at least the following beneficial technical effects:

[0016] The composite vibration damper of the present invention forms a space between the cavity and the cover plate for accommodating the vibration damping assembly, securely mounts the cavity to the foundation, and connects the vibration assembly to the vibration source device. This effectively dissipates and isolates the vibration source energy of the vibration source device along the vibration source transmission path, achieving a highly efficient vibration reduction effect. While achieving this vibration reduction effect, the composite vibration damper of the present invention can also meet the vibration and impact environmental requirements of special locations, ensuring the reliability and service life of the vibration source device structure. Therefore, the use of the composite vibration damper of the present invention can address many of the hazards caused by vibration generated by the operation of mechanical equipment in the prior art.

[0017] In addition, the preferred technical solution of the present invention can also produce the following technical effects:

[0018] The composite vibration damper of the preferred technical solution of the present invention can significantly attenuate the vibration source excitation by installing the vibration source device on the vibration damping block and utilizing the elastic displacement of the vibration damping block and the vibration damping spring in the vertical direction, thereby achieving the effect of efficient vibration reduction.

[0019] The composite vibration absorber of the preferred technical solution of the present invention can accurately attenuate a certain narrow-band vibration source excitation through the resonance principle of the dynamic vibration absorber and the vibration source equipment, thereby further achieving the effect of efficient vibration reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 is an exploded view of a preferred embodiment of the composite vibration absorber of the present invention;

[0022] Figure 2 1 is a schematic diagram of an assembly of a preferred embodiment of the composite vibration absorber of the present invention;

[0023] Figure 3 This is a front view of a preferred embodiment of the composite vibration absorber of the present invention;

[0024] Figure 4 yes Figure 3 AA section view in;

[0025] Figure 5 Schematic diagram of a preferred embodiment of the cavity of the present invention;

[0026] Figure 6 Schematic diagram of a preferred embodiment of the cover plate of the present invention;

[0027] Figure 7 It is a schematic diagram of a preferred embodiment of the vibration damping block of the present invention.

[0028] In the figure: 1-cavity; 2-cover plate; 3-vibration damping block; 4-vibration damping spring; 5-dynamic vibration absorber; 6-bolt; 101-first threaded hole; 102-second threaded hole; 201-boss; 202-second through hole; 301-first through hole; 302-column; 2011-second mounting hole; 3021-first mounting hole. DETAILED DESCRIPTION

[0029] To make the objectives, technical solutions, and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without inventive effort are within the scope of protection of the present invention.

[0030] The following is attached with the instruction manual Figures 1 to 7 The composite vibration damper of this embodiment will be described in detail.

[0031] The composite vibration damper of this embodiment includes a cavity 1, a cover plate 2 and a vibration damping component, such as Figure 1 Preferably, a space for accommodating a vibration reduction assembly is formed between the cavity 1 and the cover plate 2, and the cavity 1 is fixedly mounted on the foundation, and the vibration reduction assembly is connected to the vibration source device to consume and / or isolate the vibration source energy of the vibration source device through the vibration reduction assembly.

[0032] The composite vibration damper of this embodiment forms a space between cavity 1 and cover plate 2 for accommodating the vibration damping assembly, secures cavity 1 to the foundation, and connects the vibration assembly to the vibration source device. This effectively dissipates and isolates the vibration source energy of the vibration source device along the vibration source transmission path, achieving a highly efficient vibration reduction effect. While achieving this vibration reduction effect, the composite vibration damper of this embodiment can also meet the vibration and impact environment requirements of special locations, ensuring the reliability and service life of the vibration source device structure. Therefore, the use of the composite vibration damper of this embodiment can address many of the hazards caused by vibration generated by the operation of mechanical equipment in the prior art.

[0033] According to a preferred embodiment, the vibration damping assembly includes a vibration damping block 3 and a vibration damping spring 4, as shown in FIG. Figure 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 to the vibration source device, and the vibration damping block 3 and the vibration damping spring 4 can move in the vertical direction, so as 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.

[0034] The composite vibration damper of the preferred technical solution of this embodiment can significantly attenuate the vibration source excitation by installing the vibration source device on the vibration damping block 3 and utilizing the elastic displacement of the vibration damping block 3 and the vibration damping spring 4 in the vertical direction, thereby achieving the effect of efficient vibration reduction.

[0035] According to a preferred embodiment, the vibration damping block 3 is provided with a first through hole 301, such as Figure 7 The side of the cover plate 2 that contacts the vibration damping block 3 is provided with a boss 201 that matches the first through hole 301, as shown. Figure 1 or Figure 6 By assembling the first through hole 301 on the boss 201, the vibration damping block 3 is disposed below the cover plate 2, and the vibration damping block 3 is able to move vertically along the boss 201. Preferably, the vertical displacement of the vibration damping block 3 is equivalent to the height of the boss 201.

[0036] According to a preferred embodiment, a column 302 is provided on the vibration damping block 3. Figure 1Or 7. The cover plate 2 is provided with a second through hole 202 that matches the column 302, as shown in FIG. Figure 1 Or 6. The column 302 passes through the cover plate 2 through the second through hole 202 and is connected to the vibration source device. Preferably, a first mounting hole 3021 is provided in the center of the column 302 so that the vibration reduction block 3 is connected to the vibration source device through the first mounting hole 3021. Figure 7 For example, the first mounting hole 3021 of the vibration-damping block 3 is connected to the vibration source device through a bolt 6 .

[0037] The vibration damping block 3 and the vibration damping spring 4 of the preferred technical solution of this embodiment are assembled in the following manner and generate elastic telescopic displacement in the vertical direction to significantly attenuate the vibration source excitation:

[0038] The vibration damping block 3 of the preferred technical solution of this embodiment is installed between the cavity 1 and the cover plate 2, and is installed in the horizontal direction by cooperating with the first through hole 301 on its edge and the boss 201 on the cover plate 2. At the same time, the height of the boss 201 is used to reserve a displacement stroke of the vibration damping block 3 in the vertical direction; the column 302 extending from the vibration damping block 3 passes through the second through hole 202 on the cover plate 2, and is fixed to the machine foot of the vibration source equipment by using the first mounting hole 3021 on the column 302; the vibration damping spring 4 is encapsulated between the inside of the cavity 1 and the vibration damping block 3, and cooperates with the vibration damping block 3 to generate elastic telescopic displacement in the vertical direction. The elastic displacement of the vibration damping block 3 and the vibration damping spring 4 in the vertical direction can greatly attenuate the vibration source excitation, thereby achieving the effect of efficient vibration reduction.

[0039] According to a preferred embodiment, the vibration reduction assembly further includes a dynamic vibration absorber 5, such as Figure 1 Or 4. Preferably, a dynamic vibration absorber 5 is fixed to the bottom of the vibration damping block 3 to dissipate and / or isolate the vibration source energy of the vibration source device through the reaction force generated by the resonance between the dynamic vibration absorber 5 and the vibration source device. Preferably, the dynamic vibration absorber 5 is a common dynamic vibration absorber in the prior art, and its structure is not described in detail here.

[0040] The composite vibration absorber of the preferred technical solution of this embodiment can accurately attenuate a certain narrow-band vibration source excitation through the resonance principle of the dynamic vibration absorber 5 and the vibration source equipment, thereby further achieving the effect of efficient vibration reduction.

[0041] The dynamic vibration absorber 5 of the preferred technical solution of this embodiment is assembled in the following manner and accurately attenuates a narrow-band vibration source excitation:

[0042] The dynamic vibration absorber 5 of the preferred technical solution of this embodiment is fixed at the bottom of the vibration damping block 3, and the vibration source device is installed on the column 302 of the vibration damping block 3. Therefore, the dynamic vibration absorber 5 can resonate with the vibration source device and use the reaction force generated by the resonance with the vibration source device to reduce the excitation of the vibration source, thereby realizing precise attenuation of a certain narrow-band vibration source excitation and achieving the effect of efficient vibration reduction.

[0043] According to a preferred embodiment, the cavity 1, cover plate 2, and / or vibration damping block 3 are formed from a damping alloy material. The cavity 1, cover plate 2, and / or vibration damping block 3 of the preferred technical solution of this embodiment are formed from a damping alloy material. The use of the damping material can further enhance the vibration damping effect of the composite vibration damper, bringing the vibration damping effect of the composite vibration damper to an even higher level.

[0044] According to a preferred embodiment, the top surface of the cavity 1 is provided with a first threaded hole 101, such as Figure 5 As shown. The boss 201 of the cover plate 2 is provided with a second mounting hole 2011, as shown Figure 6 As shown, the cavity 1 and the cover plate 2 are connected by the first threaded hole 101 and the second mounting hole 2011 to form a space for accommodating the vibration reduction assembly. Preferably, the first threaded hole 101 and the second mounting hole 2011 are connected by a bolt 6.

[0045] 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. Figure 5 shown.

[0046] Figure 2 The assembly diagram of a preferred embodiment of the composite vibration damper is shown. The composite vibration damper of the preferred technical solution of this embodiment can significantly attenuate the vibration source excitation by installing the vibration source device on the vibration damping block 3 and utilizing the elastic displacement of the vibration damping block 3 and the vibration damping spring 4 in the vertical direction. At the same time, the dynamic vibration absorber 5 installed at the bottom of the vibration damping block 3 and the vibration source device resonate based on the principle of further absorbing a certain narrow-band vibration excitation that is difficult to handle, thereby achieving a highly efficient vibration reduction effect. The boss 201 of the cavity 1 and the cover plate 2 is used in conjunction with the limit installation to reserve space for the elastic displacement of the vibration damping component in the vertical direction. At the same time, a second threaded hole 102 is opened at the bottom of the cavity 1 for secure installation with the foundation. The composite vibration damper of the preferred technical solution of this embodiment can be used for compressors, fans, water pumps, etc., and can not only achieve a highly efficient vibration reduction effect, but also meet the requirements of shock resistance and vibration environment in special occasions.

[0047] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A composite shock absorber, characterized in that: The invention comprises a cavity (1), a cover plate (2) and a vibration reduction assembly, wherein a space for accommodating the vibration reduction assembly is formed between the cavity (1) and the cover plate (2), and the cavity (1) is fixedly mounted on a foundation, and the vibration reduction assembly is connected to a vibration source device so that the vibration source energy of the vibration source device is consumed and / or isolated through the vibration reduction assembly; The vibration damping assembly comprises a vibration damping block (3) and a vibration damping spring (4), wherein 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 to the vibration source device, and the vibration damping block (3) and the vibration damping spring (4) are movable in a vertical direction, so as to consume and / or isolate the vibration source energy of the vibration source device through elastic displacement of the vibration damping block (3) and the vibration damping spring (4) in the vertical direction; The vibration reduction assembly further comprises a dynamic vibration absorber (5), which is fixed to the bottom of the vibration reduction block (3) so as to consume and / or isolate the vibration source energy of the vibration source device through the reaction force generated by the resonance between the dynamic vibration absorber (5) and the vibration source device; and the dynamic vibration absorber (5) can accurately attenuate a certain narrow-band vibration source excitation through the resonance principle between the dynamic vibration absorber (5) and the vibration source device; The vibration damping block (3) is provided with a first through hole (301), and a boss (201) matching the first through hole (301) is provided on a surface of the cover plate (2) in contact with the vibration damping block (3), so that the vibration damping block (3) is arranged below the cover plate (2) by assembling the first through hole (301) on the boss (201), and the vibration damping block (3) can move in a vertical direction along the boss (201); A column (302) is provided on the vibration damping block (3), and a second through hole (202) matching the column (302) is provided on the cover plate (2). The column (302) passes through the cover plate (2) via the second through hole (202) and is connected to the vibration source device.

2. The composite vibration absorber according to claim 1, characterized in that: The vertical displacement stroke of the vibration damping block (3) is equivalent to the height of the boss (201).

3. The composite vibration absorber according to claim 1, characterized in that: A first mounting hole (3021) is provided at the center of the column (302), so that the vibration-damping block (3) can be connected to the vibration source device via the first mounting hole (3021).

4. The composite vibration absorber according to claim 1, characterized in that: The cavity (1), the cover plate (2) and / or the vibration-damping block (3) are formed from a damping alloy material.

5. The composite vibration absorber according to claim 1, characterized in that: A first threaded hole (101) is provided on the top surface of the cavity (1), and a second mounting hole (2011) is provided on the boss (201) of the cover plate (2), so that a space for accommodating the vibration 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).

6. The composite vibration absorber according to claim 1, characterized in that: 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) can be fixedly installed with the foundation through the second threaded hole (102).

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