Composite vibration isolation module structure

Abstract

The utility model discloses a composite vibration isolation module structure which comprises a vibration reduction mechanism and a steel plate spring installed in the vibration reduction mechanism. Connecting mechanisms are arranged on the left side and the right side of the vibration reduction mechanism correspondingly, and one side of each connecting mechanism is connected to the bottom end of the base in an attached mode. The damping mechanism comprises a base, limiting grooves are formed in the left side and the right side of the top of the base, and first springs are fixedly connected to one sides of the interiors of the two limiting grooves. One end of the first spring is fixedly connected with a sliding block, and the bottom of the sliding block is slidably connected with the limiting groove. The ends, away from the first springs, of the sliding blocks are fixedly connected with particle dampers, the ends, away from the sliding blocks, of the particle dampers are fixedly connected with the limiting grooves, the vibration isolation and noise reduction requirements of vibration source equipment can be met through the vibration reduction mechanism, and resonance can be well avoided; and by arranging the connecting mechanism, the damping mechanism can be quickly disassembled and assembled without using any tool, so that the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vibration isolation and noise reduction, in particular to a composite vibration isolation module structure. Background Art

[0002] Vibration isolation module technology standardizes and miniaturizes the vibration isolation structure to form a modular vibration isolation pedestal, referred to as vibration isolation module, which can be applied to vibration isolation and noise reduction of newly installed equipment and vibration isolation modification of existing equipment. Vibration isolation modules can be symmetrically installed under the equipment base, on the floor, on the ground beam, on the supporting platform, on the suspension pedestal and on pedestals at different heights, overcoming the site condition limitations of vibration isolation modification of existing equipment and meeting the special requirements of not dismantling equipment during vibration isolation modification.

[0003] Publication No. CN117145905A discloses a vibration isolation device and a vibration isolation system, which absorbs vibration energy and reduces vibration by friction and collision between damping particles and between damping particles and cavities; a buffer spring is arranged between the top seat and the guide seat for vibration buffering, and a vibration isolation rubber is arranged between the guide seat and the base for vibration absorption. However, the patent still has the following problems in actual use:

[0004] Although the vibration isolation device and the vibration isolation system absorb vibration energy through friction and collision between damping particles and the cavity to reduce vibration, the absorption effect of the damping particles is not good when the vibration frequency is high, it is easy to generate noise and it is not convenient for the rapid installation of the device.

[0005] Based on this, it is necessary to study a composite vibration isolation module structure in order to solve the problems raised above. Utility Model Content

[0006] The purpose of the utility model is to provide a composite vibration isolation module structure to solve the problem raised in the above-mentioned background technology that currently vibration energy is absorbed and vibration is reduced by friction and collision between damping particles and the cavity, but the absorption effect of the damping particles is not good when the vibration frequency is wide, noise is easily generated, and it is not convenient for rapid installation of the device.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A composite vibration isolation module structure, comprising a vibration reduction mechanism 1 and a leaf spring 108 installed inside the vibration reduction mechanism 1;

[0009] The vibration reduction mechanism 1 includes a base 101, a first spring 103, a slider 104, a particle damper 105, a limiting column 106, a connecting block 107, a damping pad 109, a support plate 110, a cylinder 111, a sleeve 112, a second spring 113, and damping particles 114. The base 101 has limiting grooves 102 on both sides of the top, and one side of the two limiting grooves 102 is fixedly connected to the first spring 103, so that the first spring 103 is compressed to absorb part of the vibration force; one end of the first spring 103 is fixed A slider 104 is fixedly connected, and the bottom of the slider 104 is slidably connected to the limiting groove 102; the end of the slider 104 away from the first spring 103 is fixedly connected to the particle damper 105, and the end of the particle damper 105 away from the slider 104 is fixedly connected to the limiting groove 102; the top of the slider 104 is fixedly connected to the limiting column 106, and the end of the limiting column 106 away from the slider 104 is rotatably connected to the connecting block 107, and the end of the connecting block 107 away from the limiting column (106) is fixedly connected to the leaf spring 108;

[0010] A damping pad 109 is fixedly connected to the center of the top of the leaf spring 108, a support plate 110 is fixedly connected to the top of the damping pad 109, and cylinders 111 are fixedly connected to the left and right ends of the lower surface of the support plate 110;

[0011] A sleeve 112 is sleeved on the outer side of the cylinder 111, the bottom of the sleeve 112 is fixedly connected to the base 101, a second spring 113 is fixedly connected to the bottom side of the sleeve 112, one end of the second spring 113 is fit-connected to the cylinder 111, a damping particle 114 is fixedly connected to the top of the sleeve 112, and the inside of the damping particle 114 is slidably connected to the cylinder 111.

[0012] Preferably, the leaf spring 108 is mainly composed of three rectangular elastic steel plates 211 and two spring clips 212. The three elastic steel plates 211 are stacked together in a pattern of increasing length from top to bottom to form an energy absorption structure of the leaf spring 108; the spring clip 212 is composed of two steel hoops, which stack the three elastic steel plates together.

[0013] Preferably, the composite vibration isolation module structure further includes a connection mechanism 2 . The connection mechanism 2 is disposed on both the left and right sides of the vibration reduction mechanism 1 , and one side of the connection mechanism 2 is closely connected to the bottom surface of the base 101 .

[0014] Preferably, the connecting mechanism 2 includes a bottom plate 201, two limit blocks 202, a handle 203, a push rod 205, a button 206, a third spring 207, a stopper 209, and a steel ball 210;

[0015] The top of the bottom plate 201 is closely connected to the base 101, and the left and right sides of the bottom plate 201 are threadedly connected to the limit blocks 202, and the lower ends of the handles 203 are installed inside the two limit blocks 202;

[0016] The outer side of the handle 203 is threadedly connected to the base 101, and a first through hole 204 is axially opened at the center of the handle 203. A push rod 205 is slidably connected to the inside of the first through hole 204, and a button 206 is fixedly connected to the top of the push rod 205; a groove is formed on the circumference of the push rod near the end;

[0017] A third spring 207 is sleeved on the outer side of the push rod 205, and a second through hole 208 is opened at the end of the handle 203 away from the button 206, which is perpendicular to the first through hole 204. Blocks 209 are fixedly connected to the left and right sides of the second through hole 208 of the handle 203. A steel ball 210 is placed in the second through hole 208 and the block 209. The inner side of the steel ball 210 is slidably connected to the push rod 205, and the outer side of the steel ball 210 is fit-connected to the limit block 202.

[0018] Preferably, the limit block 202 is first fixed inside the bottom plate 201, and then the bottom block 101 is placed on the surface of the bottom plate 201, and the button 206 is pressed downward, thereby driving the push rod 205 to move downward in the first through hole 204, thereby releasing the limiting effect of the push rod 205 on the steel ball 210, so that the steel ball 210 slides into the first through hole 204, and then the handle 203 is inserted into the limit block 202, and the push rod 205 is released, and the restoring force of the third spring 207 is used to drive the push rod 205 to reset, so that the steel ball 210 and the limit block 202 and the end of the push rod 205 are always kept in a fit state, and the bottom block 101 can be fixed on the surface of the bottom plate 201.

[0019] Preferably, when the device vibrates, the second spring 113 is compressed to reduce a portion of the vibration force, and then the second spring 113 causes the cylinder 111 to rise and reset. The cylinder 111 rises and contacts the damping particles 114 to absorb the rebound force, thereby further playing a buffering role. The leaf spring 108 can remove a portion of the vibration force, and the leaf spring 108 drives the two sliders 104 to squeeze the first spring 103 at the same time. The first spring 103 is compressed to absorb a portion of the vibration force. The first spring 103 resets and drives the slider 104 to contact the particle damping 105 to absorb excess vibration force, thereby effectively alleviating the vibration of the device.

[0020] Compared with the prior art, the utility model has the following beneficial effects: the composite vibration isolation module structure can meet the vibration isolation and noise reduction requirements of the vibration source equipment through the vibration reduction mechanism, can well avoid resonance, and can quickly disassemble and assemble the vibration reduction mechanism without using any tools by setting a connection mechanism, thereby improving work efficiency. The specific contents are as follows:

[0021] 1. The vibration reduction mechanism can meet the vibration isolation and noise reduction requirements of the vibration source equipment, and can well avoid resonance. The second spring is compressed to reduce a part of the vibration force, and then the second spring causes the cylinder to rise and reset. The cylinder rises and contacts the damping particles to absorb the rebound force, thereby further playing a buffering role. The leaf spring can remove a part of the vibration force, and the leaf spring drives the two sliders to squeeze the first spring at the same time. The first spring is compressed to absorb a part of the vibration force. The first spring resets and drives the slider to contact the particle damping to absorb the excess vibration force, thereby effectively reducing the vibration of the equipment;

[0022] 2. By setting up a connecting mechanism, the vibration reduction mechanism can be quickly disassembled and assembled without using any tools, thereby improving work efficiency. The push rod is driven to move in the first through hole by a button, thereby releasing the limiting effect of the push rod on the steel ball, so that the steel ball slides into the first through hole, and the handle can be pulled out of the limiting block, so that the base is separated from the bottom plate, which is convenient for disassembly and maintenance of the vibration reduction mechanism. The restoring force of the compressed third spring is utilized, so that the push rod can always keep the steel ball and the limiting block in a fit state without being subjected to external force, and the base can be fixed to the surface of the bottom plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the front cross-section structure of the utility model;

[0024] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0025] Figure 3 This is a schematic diagram of the internal structure of the sleeve of the utility model;

[0026] Figure 4 For this utility model Figure 1 Schematic diagram of the enlarged structure at 2 locations;

[0027] Figure 5 This is a schematic diagram of the structure of the handle and the limit block of the utility model in the separated state.

[0028] Figure 6 It is a schematic diagram of the leaf spring of the utility model.

[0029] In the figure: 1. vibration reduction mechanism; 101. base; 102. limiting groove; 103. first spring; 104. slider; 105. particle damping; 106. limiting column; 107. connecting block; 108. leaf spring; 109. damping pad; 110. support plate; 111. cylinder; 112. sleeve; 113. second spring; 114. damping particles; 2. connecting mechanism; 201. bottom plate; 202. limiting block; 203. handle; 204. first through hole; 205. push rod; 206. button; 207. third spring; 208. second through hole; 209. stopper; 210. steel ball. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-6 The utility model provides a technical solution: a composite vibration isolation module structure, including a vibration reduction mechanism 1, and a leaf spring 108 installed inside the vibration reduction mechanism 1; a connecting mechanism 2 is provided on both sides of the vibration reduction mechanism 1, and one side of the connecting mechanism 2 is fitted and connected to the bottom surface of the base 101.

[0032] The vibration reduction mechanism 1 includes a base 101 , a first spring 103 , a slider 104 , a particle damper 105 , a limit column 106 , a connecting block 107 , a damping pad 109 , a support plate 110 , a cylinder 111 , a sleeve 112 , a second spring 113 , and damping particles 114 .

[0033] The left and right sides of the top of the base 101 are provided with limiting grooves 102, and one side of the two limiting grooves 102 is fixedly connected with a first spring 103, so that the first spring 103 is compressed to absorb a part of the vibration force;

[0034] One end of the first spring 103 is fixedly connected to a slider 104, the bottom of the slider 104 is slidably connected to the limiting groove 102, one end of the slider 104 away from the first spring 103 is fixedly connected to a particle damper 105, and one end of the particle damper 105 away from the slider 104 is fixedly connected to the limiting groove 102. The first spring 103 is reset to drive the slider 104 to contact the particle damper 105 to absorb excess vibration force, thereby effectively alleviating the vibration of the device;

[0035] The top of the slider 104 is fixedly connected to a limiting column 106, and the end of the limiting column 106 away from the slider 104 is rotatably connected to a connecting block 107, and the end of the connecting block 107 away from the limiting column 106 is fixedly connected to a leaf spring 108. The connection block 107 is provided to facilitate the leaf spring 108 to drive the slider 104 to move in the limiting groove 102.

[0036] The leaf spring 108 is mainly composed of three rectangular elastic steel plates 211 and two spring clips 212. The three elastic steel plates 211 are stacked together in a pattern of increasing length from top to bottom to form the energy absorption structure of the leaf spring 108; the spring clip 212 is composed of two steel hoops, which stack the elastic steel plates together.

[0037] A damping pad 109 is fixedly connected to the center of the top of the leaf spring 108, a support plate 110 is fixedly connected to the top of the damping pad 109, and cylinders 111 are fixedly connected to the left and right ends of the lower surface of the support plate 110. The damping pad 109 can provide a local buffering effect.

[0038] The outer side of the cylinder 111 is sleeved with a sleeve 112, the bottom of the sleeve 112 is fixedly connected to the base 101, one end of the second spring 113 is fixedly connected to the bottom side of the sleeve 112, the other end of the second spring 113 is fitted and connected to the lower end of the cylinder 111, the top of the sleeve 112 is fixedly connected to the damping particles 114, the inside of the damping particles 114 is slidably connected to the cylinder 111, the second spring 113 is compressed to reduce a part of the vibration force, and then the second spring 113 makes the cylinder 111 rise and reset, the cylinder 111 rises and squeezes the external damping particles 114 to absorb the rebound force, thereby further playing a buffering role;

[0039] The connecting mechanism 2 includes a base plate 201 , two limit blocks 202 , a handle 203 , a push rod 205 , a button 206 , a third spring 207 , a stop block 209 , and a steel ball 210 .

[0040] The top of the bottom plate 201 is fitted and connected to the base 101, and the left and right sides of the bottom plate 201 are threadedly connected with limit blocks 202, and the lower ends of the handles 203 are installed inside the two limit blocks 202. By setting the limit blocks 202, it is convenient to limit the position of the handles 203;

[0041] The outer side of the handle 203 is threadedly connected to the base 101, and a first through hole 204 is axially opened at the center position inside the handle 203. A push rod 205 is slidably connected inside the first through hole 204, and a button 206 is fixedly connected to the top of the push rod 205. By setting the button 206, it is easy to drive the push rod 205 to move inside the handle 203; a circle of groove begins on the circumference near the end of the push rod.

[0042] A third spring 207 is sleeved on the outer side of the push rod 205, and a second through hole 208 that is perpendicular to the first through hole 204 is opened at the end of the handle 203 away from the button 206. Stoppers 209 are fixedly connected to the left and right sides of the second through hole 208 of the handle 203. A steel ball 210 is placed in the second through hole 208 and fits with one side of the stopper 209. The inner side of the steel ball 210 is slidably connected to the push rod 205, and the outer side of the steel ball 210 fits with the limit block 202. The stopper 209 is provided to prevent the steel ball 210 from falling out of the second through hole 208.

[0043] Working principle: Before using this composite vibration isolation module structure, it is necessary to check the overall condition of the device to ensure that it can work normally. Figure 1 - Figure 5 As shown, first, the limit block 202 is fixed inside the bottom plate 201, and then the bottom block 101 is placed on the surface of the bottom plate 201, and the button 206 is pressed downward, thereby driving the push rod 205 to move downward in the first through hole 204, thereby releasing the limiting effect of the push rod 205 on the steel ball 210, so that the steel ball 210 slides into the first through hole 204, and then the handle 203 is inserted into the limit block 202, and the push rod 205 is released, and the restoring force of the third spring 207 is used to drive the push rod 205 to reset, so that the steel ball 210 and the limit block 202 and the end of the push rod 205 are always kept in a fit state, and the bottom block 101 can be fixed on the surface of the bottom plate 201.

[0044] Secondly, when the equipment vibrates, the second spring 113 is compressed to reduce a portion of the vibration force, and then the second spring 113 causes the cylinder 111 to rise and reset. The cylinder 111 rises and contacts the damping particles 114 to absorb the rebound force, thereby further playing a buffering role. The leaf spring 108 can remove a portion of the vibration force, and the leaf spring 108 drives the two sliders 104 to squeeze the first spring 103 at the same time. The first spring 103 is compressed to absorb a portion of the vibration force. The first spring 103 resets and drives the slider 104 to contact the particle damping 105 to absorb excess vibration force, thereby effectively alleviating the vibration of the equipment.

[0045] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A composite vibration isolation module structure, characterized in that: It comprises a vibration reduction mechanism (1) and a leaf spring (108) installed inside the vibration reduction mechanism (1); The vibration reduction mechanism (1) comprises a base (101), a first spring (103), a slider (104), a particle damper (105), a limiting column (106), a connecting block (107), a damping pad (109), a support plate (110), a cylinder (111), a sleeve (112), a second spring (113), and damping particles (114). The base (101) has limiting grooves (102) on both left and right sides of the top. The first spring (103) is fixedly connected to one side of the two limiting grooves (102). The first spring (103) is compressed to absorb a portion of the vibration force. One end is fixedly connected with a slider (104), and the bottom of the slider (104) is slidably connected to the limiting groove (102); the end of the slider (104) away from the first spring (103) is fixedly connected with a particle damper (105), and the end of the particle damper (105) away from the slider (104) is fixedly connected to the limiting groove (102); the top of the slider (104) is fixedly connected with a limiting column (106), and the end of the limiting column (106) away from the slider (104) is rotatably connected with a connecting block (107), and the end of the connecting block (107) away from the limiting column (106) is fixedly connected with a leaf spring (108); A damping pad (109) is fixedly connected to the center of the top of the leaf spring (108), a support plate (110) is fixedly connected to the top of the damping pad (109), and cylinders (111) are fixedly connected to the left and right ends of the lower surface of the support plate (110); A sleeve (112) is sleeved on the outer side of the cylinder (111), the bottom of the sleeve (112) is fixedly connected to the base (101), a second spring (113) is fixedly connected to the bottom side of the sleeve (112), one end of the second spring (113) is fitted and connected to the cylinder (111), a damping particle (114) is fixedly connected to the top end of the sleeve (112), and the inside of the damping particle (114) is slidably connected to the cylinder (111).

2. A composite vibration isolation module structure according to claim 1, characterized in that: The leaf spring (108) is mainly composed of three rectangular elastic steel plates (211) and two spring clips (212). The three elastic steel plates (211) are stacked together in a pattern of increasing length from top to bottom to form an energy absorption structure of the leaf spring (108); the spring clip (212) is composed of two steel hoops, which stack the three elastic steel plates together.

3. A composite vibration isolation module structure according to claim 1, characterized in that: It also comprises a connection mechanism (2), wherein the connection mechanism (2) is provided on both the left and right sides of the vibration reduction mechanism (1), and one side of the connection mechanism (2) is closely connected to the bottom surface of the base (101).

4. A composite vibration isolation module structure according to claim 3, characterized in that: The connecting mechanism (2) comprises a bottom plate (201), two limit blocks (202), a handle (203), a push rod (205), a button (206), a third spring (207), a stop block (209), and a steel ball (210); The top of the bottom plate (201) is closely connected to the base (101), and the left and right sides of the bottom plate (201) are threadedly connected to limit blocks (202), and the lower ends of the handles (203) are installed inside the two limit blocks (202); The outer side of the handle (203) is threadedly connected to the base (101); a first through hole (204) is axially provided at the center of the handle (203); a push rod (205) is slidably connected to the inside of the first through hole (204); a button (206) is fixedly connected to the top of the push rod (205); a groove is formed around the circumference of the push rod near the end; A third spring (207) is sleeved on the outer side of the push rod (205), and a second through hole (208) vertically penetrating the first through hole (204) is opened at the end of the handle (203) away from the button (206). Stoppers (209) are fixedly connected to the left and right sides of the second through hole (208) of the handle (203). A steel ball (210) is placed in the second through hole (208) and connected to the stopper (209). The inner side of the steel ball (210) is slidably connected to the push rod (205), and the outer side of the steel ball (210) is fitted and connected to the limit block (202).

5. A composite vibration isolation module structure according to claim 4, characterized in that: First, fix the limit block (202) inside the bottom plate (201), then place the base (101) on the surface of the bottom plate (201), press the button (206) downward, thereby driving the push rod (205) to move downward in the first through hole (204), thereby releasing the limiting effect of the push rod (205) on the steel ball (210), so that the steel ball (210) slides into the first through hole (204), and then insert the handle (203) into the limit block (202), and release the push rod (205), and use the restoring force of the third spring (207) to drive the push rod (205) to reset, so that the steel ball (210) and the limit block (202) and the end of the push rod (205) always keep in contact with each other, and the base (101) can be fixed on the surface of the bottom plate (201).

6. A composite vibration isolation module structure according to claim 4, characterized in that: When the device vibrates, the second spring (113) is compressed to reduce a portion of the vibration force, and then the second spring (113) causes the cylinder (111) to rise and reset. The cylinder (111) rises and contacts the damping particles (114) to absorb the rebound force, thereby further playing a buffering role. The leaf spring (108) can remove a portion of the vibration force, and the leaf spring (108) drives the two sliders (104) to squeeze the first spring (103) at the same time. The first spring (103) is compressed to absorb a portion of the vibration force. The first spring (103) resets and drives the slider (104) to contact the particle damping (105) to absorb excess vibration force, thereby effectively reducing the vibration of the device.

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