CN217130200U - Vibration isolation device for controlling vibration transmission - Google Patents
Vibration isolation device for controlling vibration transmission Download PDFInfo
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- CN217130200U CN217130200U CN202220695120.8U CN202220695120U CN217130200U CN 217130200 U CN217130200 U CN 217130200U CN 202220695120 U CN202220695120 U CN 202220695120U CN 217130200 U CN217130200 U CN 217130200U
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Abstract
The utility model discloses a vibration isolation device for controlling vibration transmission, which comprises a frame, a top plate, a vibration mechanism, vibration isolation structures and dampers, wherein the top plate is arranged above the frame, the vibration mechanism is arranged on the top plate and generates vibration as a vibration source, each vibration isolation structure comprises an elastic part connected between the top plate and the frame, each damper comprises a cylinder body, a shell sleeve, a screw rod and a plurality of piston plates, the cylinder body is arranged on the frame and is provided with an accommodating cavity, damping liquid is arranged in the accommodating cavity, the shell sleeve is provided with a cavity, the shell sleeve is sleeved on the cylinder body, a gap is arranged between the cavity wall of the shell sleeve and the outer wall of the cylinder body, the screw rod is vertically arranged on the top plate, one end of the screw rod passes through the top plate to be downwards connected with the shell sleeve and extends into the cavity of the shell sleeve, a plurality of piston plates are arranged at intervals at one end of the screw rod, each piston plate is vertical to the screw rod, and a plurality of piston plates extend into the damping liquid in the accommodating cavity of the cylinder body, for damping vibrations. The utility model discloses can effectively weaken or isolated vibration's transmission, reduce ambient noise.
Description
Technical Field
The utility model relates to a vibration isolation noise reduction technical field specifically relates to a vibration isolation device of control vibration transmission.
Background
When mechanical equipment works and operates, vibration and noise can be generated, the equipment can be damaged due to excessive vibration, and the vibration can be transmitted to the ground or other equipment, so that the surrounding environment is influenced. The existing method generally utilizes an elastic supporting structure to reduce the capability of a system responding to external excitation, changes the rigid connection of a vibration source and a foundation into elastic connection, and can isolate or weaken the transmission of vibration energy so as to realize the purposes of vibration reduction and noise reduction. However, the phenomenon of amplitude surge can occur in the existing elastic supporting structure during vibration isolation, so that the equipment operation is not stable enough, the vibration isolation process is further unstable, and the vibration isolation and noise reduction effects are not ideal.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a vibration isolation mounting of control vibration transmission can effectively weaken or isolated vibration's transmission, reduces ambient noise.
The utility model discloses technical scheme as follows: a vibration isolation device for controlling vibration transmission comprises a rack, a top plate, vibration mechanisms, vibration isolation structures and dampers, wherein the top plate is arranged above the rack, the vibration mechanisms are arranged on the top plate and used as vibration sources to generate vibration, the vibration isolation structures are arranged on two sides of the top surface of the rack and supported at the bottom of the top plate, the dampers are arranged on two sides of the top surface of the rack and supported at the bottom of the top plate, each vibration isolation structure comprises an elastic part, one end of each elastic part is connected to the top plate, the other end of each elastic part is connected to the rack, each damper comprises a cylinder body, an outer shell sleeve, a screw rod and a plurality of piston plates, the cylinder body is arranged on the rack, the cylinder body is provided with an accommodating cavity with an upward opening, damping liquid is accommodated in the accommodating cavity, the outer shell sleeve is provided with a cavity and is sleeved on the cylinder body, a gap is formed between the cavity wall of the outer shell sleeve and the outer wall of the cylinder body, and the screw rod is vertically arranged on the top plate, screw rod one end is passed the roof and is connected and stretch into the cavity of shell cover downwards with shell cover, and the screw rod one end interval that is located shell cover cavity installs a plurality ofly the piston board, and each piston board perpendicular to screw rod, a plurality of the piston board stretches into in the damping fluid of cylinder body appearance intracavity to supply the damping.
Furthermore, the damper comprises a plurality of fastening nuts, the fastening nuts are screwed on one end of the screw rod extending into the cylinder body accommodating cavity at intervals, and the piston plate is installed between two adjacent fastening nuts or at the bottom end of the screw rod.
Further, the damper comprises a base, screw holes are formed in two ends of the base, the base is installed on the rack through bolts penetrating through the screw holes, and the cylinder body is installed on the base.
Further, the attenuator includes the cushion, the cushion is installed in the frame, and the base is installed on the cushion.
Furthermore, each vibration isolation structure includes upper frame cover and lower frame cover, and upper frame cover is installed on the roof, and lower frame cover is installed in the frame and is gone up the frame cover towards, and the elastic component top is installed in upper frame cover, and the elastic component bottom is installed in lower frame cover.
Further, the vibration mechanism includes a motor mounted on the top plate for generating vibration.
Further, the vibration mechanism comprises a bottom frame, a sliding block, an eccentric disc and a connecting rod, wherein the bottom frame is installed on the top plate and extends downwards into the rack, the sliding block is installed on the bottom frame in a sliding mode along the vertical direction, the eccentric disc is installed on an output shaft of the motor, one end of the connecting rod is hinged to the eccentric disc, and the other end of the connecting rod penetrates through the top plate and is hinged to the sliding block downwards.
Furthermore, the vibration mechanism comprises guide rods, the two guide rods are arranged on the bottom frame and are perpendicular to the top plate, and the sliding block is slidably mounted on the two guide rods.
Further, the vibrating mechanism comprises mounting plates and a pin shaft, the two mounting plates are oppositely arranged on the sliding block, the pin shaft is mounted on the two mounting plates, and one end, far away from the eccentric disc, of the connecting rod is hinged to the pin shaft.
Furthermore, a hinged rod extends from one end of the connecting rod matched with the eccentric disc, and a gear matched with the eccentric disc is installed on the hinged rod.
Compared with the prior art: the utility model provides a vibration isolation device of control vibration transmission through being equipped with a plurality of elastic component dampings of a plurality of attenuator cooperation between frame and roof, and the elastic component is at the in-process of flexible damping, and a plurality of piston plates of attenuator are reciprocal in the damping fluid of cylinder body appearance intracavity and are gone up and down, reduce the amplitude of elastic component for the stable transmission that weakens or isolated vibration of attenuator cooperation elastic component effectively reduces ambient noise.
Drawings
Fig. 1 is a perspective view of a vibration isolation device for controlling vibration transmission according to the present invention.
Fig. 2 is a plan view of a vibration isolation device for controlling transmission of vibration according to the present invention.
Fig. 3 is a cross-sectional view of section B-B of fig. 2.
Fig. 4 is an enlarged schematic view at C in fig. 3.
Fig. 5 is a cross-sectional view of section a-a of fig. 2.
Fig. 6 is a schematic structural view of a damper of a vibration isolation device for controlling vibration transmission according to the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Referring to fig. 1 to 6, a vibration isolation apparatus for controlling vibration transmission includes a frame 1, a top plate 2, a vibration mechanism 3, a vibration isolation structure 4 and a damper 5, wherein the top plate 2 is disposed above the frame 1, the vibration mechanism 3 is disposed on the top plate 2 and used as a vibration source to generate vibration, and the vibration energy is transmitted to the top plate 2 to generate vibration and noise. The vibration isolation structures 4 are arranged on two sides of the top surface of the rack 1, supported at the bottom of the top plate 2 and used for weakening or isolating vibration transmitted from the top plate 2 to the rack 1. The dampers 5 are arranged on two sides of the top surface of the rack 1, supported at the bottom of the top plate 2 and used for being matched with the vibration isolation structure 4 to weaken or isolate the vibration transmitted from the top plate 2 to the rack 1.
The vibration mechanism 3 comprises a motor 31, the motor 31 is arranged on the top plate 2, and the motor 31 generates vibration during starting or running, and the vibration is transmitted to the top plate 2. The vibration mechanism 3 comprises a bottom frame 32, a sliding block 33, an eccentric disc 34 and a connecting rod 35, wherein the bottom frame 32 is installed on the top plate 2 and extends downwards into the machine frame 1, the sliding block 33 is installed on the bottom frame 32 in a sliding way along the vertical direction, the eccentric disc 34 is installed on an output shaft of the motor 31, one end of the connecting rod 35 is hinged on the eccentric disc 34, and the other end of the connecting rod 35 penetrates through the top plate 2 and is hinged with the sliding block 33 downwards. When the motor 31 is started, the eccentric disc 34 is driven to rotate, the eccentric disc 34 rotates to drive the connecting rod 35 to swing, and the connecting rod 35 correspondingly drives the sliding block 33 to slide along the vertical direction. The slider 33 generates vibration when sliding, and the vibration is transmitted to the top plate 2 through the base frame 32.
The vibration mechanism 3 comprises guide rods 36, the two guide rods 36 are arranged on the bottom frame 32 and are perpendicular to the top plate 2, the sliding block 33 is slidably mounted on the two guide rods 36, and the two guide rods 36 are used for guiding the sliding block 33 to slide and limiting the sliding block 33.
Further, the vibration mechanism 3 further includes a mounting plate 37 and a pin 38, the two mounting plates 37 are disposed on the sliding block 33, the pin 38 is mounted on the two mounting plates 37, and one end of the connecting rod 35 away from the eccentric disc 34 is hinged on the pin 38. It can be understood that the pin 38 is rotatably mounted on the two mounting plates 37 or fixed on the two mounting plates 37, and a hinge rod (not shown) extends from one end side of the connecting rod 35, which is engaged with the eccentric disc 34, and a gear is mounted on the hinge rod and is engaged with the eccentric disc 34.
The vibration isolation device comprises an upper shell 6, the upper shell 6 is covered on the top plate 2, and the motor 31 is installed in the upper shell 6. The upper case 6 has a dust-proof function while preventing a person from directly contacting the motor 31. The window is opened at the both ends of going up casing 6, and each window department installs a plurality of vanes (not marked in the figure), and a plurality of vanes are equidistant and slope setting for ventilation cooling.
The vibration damping device further includes a lower case 7, the lower case 7 is mounted on the top plate 2, and the chassis 32 of the vibration mechanism 3 is mounted in the lower case 7. The top end of the lower shell 7 is provided with an opening for the connecting rod 35 to extend downwards to be connected with the sliding block 33.
Each vibration isolation structure 4 comprises an elastic member 41, one end of the elastic member 41 is connected to the top plate 2, the other end of the elastic member 41 is connected to the frame 1, and the elastic member 41 can elastically stretch and contract for vibration reduction. In this embodiment, the elastic member 41 is a coil spring. Each vibration isolation structure 4 includes an upper frame 42 and a lower frame 43, the upper frame 42 is mounted on the top plate 2, the lower frame 43 is mounted on the frame 1 and faces the upper frame 42, the top end of the elastic element 41 is mounted in the upper frame 42, and the bottom end of the elastic element 41 is mounted in the lower frame 43, so as to prevent the elastic element 41 from swinging to one side when elastically stretching, and to stabilize the connection between the elastic element 41 and the frame 1 and the top plate 2.
Each damper 5 comprises a cylinder body 51, an outer casing 52, a screw 53 and a plurality of piston plates 54, wherein the cylinder body 51 is installed on the frame 1, the cylinder body 51 is provided with a cavity with an upward opening, and damping liquid is contained in the cavity. The outer shell 52 has a cavity, which is fitted over the cylinder 51, and a gap is formed between the cavity wall of the outer shell 52 and the outer wall of the cylinder 51. The screw 53 is vertically installed on the top plate 2, one end of the screw 53 penetrates through the top plate 2 to be downwards connected with the outer casing 52 and extend into the cavity of the outer casing 52, a plurality of the piston plates 54 are installed at intervals at one end of the screw 53 positioned in the cavity of the outer casing 52, each piston plate 54 is perpendicular to the screw 53, and the plurality of the piston plates 54 extend into the damping liquid in the cavity of the cylinder body 51. During vibration isolation, the vibration mechanism 3 vibrates, when vibration energy is transmitted to the elastic part 41 through the top plate 2, the elastic part 41 elastically stretches, so that the piston plate 54 reciprocates in damping liquid in the accommodating cavity of the cylinder body 51, the damping liquid generates a reaction force on the piston plate 54, the elastic stretching of the elastic part 41 is slowed down, and vibration reduction is achieved.
Further, the damper 5 includes a plurality of fastening nuts 55, the fastening nuts 55 are screwed to one end of the screw 53 extending into the cavity of the cylinder 51 at intervals, the piston plate 54 is installed between two adjacent fastening nuts 55 or at the bottom end of the screw 53, and the fastening nuts 55 are used for fixing the piston plate 54.
Further, the damper 5 includes a base 56 and a rubber pad 57, screw holes are opened at two ends of the base 56, the base 56 is installed on the frame 1 by passing through the screw holes through bolts, and the cylinder 51 is installed on the base 56. It is understood that the base 56 is detachably connected to the cylinder 51 or is formed as an integral structure. The rubber pad 57 is installed on the machine frame 1, the base 56 is installed on the rubber pad 57, and the rubber pad 57 can elastically deform and has a vibration damping effect.
Furthermore, the vibration isolation device comprises a plurality of universal wheels (not shown), and the universal wheels are arranged on two sides of the bottom of the rack 1 to drive the rack 1 to move.
To sum up, the utility model discloses a be equipped with a plurality of elastic component 41 of 5 cooperation of a plurality of dampers between frame 1 and roof 2, elastic component 41 is at the in-process of flexible damping, and a plurality of piston plates 54 of damper 5 reciprocate in the damping fluid of cylinder body 51 appearance intracavity and go up and down, reduce the amplitude of elastic component 41 for damper 5 cooperates the stable transmission that weakens or completely cut off the vibration of elastic component 41, effectively reduces ambient noise.
As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.
Claims (10)
1. The utility model provides a vibration isolation device of control vibration transmission, includes frame (1), roof (2), vibration mechanism (3), vibration isolation structure (4) and attenuator (5), roof (2) set up in frame (1) top, and vibration mechanism (3) set up on roof (2), and as the vibration source vibration, its characterized in that: the vibration isolation structures (4) are arranged on two sides of the top surface of the rack (1) and supported at the bottom of the top plate (2), the dampers (5) are arranged on two sides of the top surface of the rack (1) and supported at the bottom of the top plate (2), each vibration isolation structure (4) comprises an elastic part (41), one end of each elastic part (41) is connected to the top plate (2), the other end of each elastic part is connected to the rack (1), each damper (5) comprises a cylinder body (51), a shell sleeve (52), a screw rod (53) and a plurality of piston plates (54), the cylinder body (51) is arranged on the rack (1), the cylinder body (51) is provided with a cavity with an upward opening, damping liquid is contained in the cavity, the shell sleeve (52) is provided with a cavity and is sleeved on the cylinder body (51), a gap is reserved between the cavity wall of the shell sleeve (52) and the outer wall of the cylinder body (51), the screw rod (53) is vertically arranged on the top plate (2), one end of the screw rod (53) penetrates through the top plate (2) to be downwards connected with the outer shell (52) and extend into a cavity of the outer shell (52), a plurality of piston plates (54) are arranged at intervals at one end of the screw rod (53) positioned in the cavity of the outer shell (52), each piston plate (54) is perpendicular to the screw rod (53), and the piston plates (54) extend into damping liquid in a containing cavity of the cylinder body (51) to reduce vibration.
2. The vibration isolation device according to claim 1, wherein: the damper (5) comprises a plurality of fastening nuts (55), the fastening nuts (55) are screwed on one end of a screw rod (53) extending into a containing cavity of the cylinder body (51) at intervals, and the piston plate (54) is installed between every two adjacent fastening nuts (55) or installed at the bottom end of the screw rod (53).
3. The vibration isolation device according to claim 2, wherein: the damper (5) comprises a base (56), screw holes are formed in two ends of the base (56), the base (56) is installed on the rack (1) through the screw holes, and the cylinder body (51) is installed on the base (56).
4. The vibration isolation device according to claim 3, wherein: the damper (5) comprises a rubber mat (57), the rubber mat (57) is installed on the rack (1), and the base (56) is installed on the rubber mat (57).
5. The vibration isolation device according to claim 1, wherein: each vibration isolation structure (4) comprises an upper frame sleeve (42) and a lower frame sleeve (43), the upper frame sleeve (42) is installed on the top plate (2), the lower frame sleeve (43) is installed on the rack (1) and faces the upper frame sleeve (42), the top end of the elastic piece (41) is installed in the upper frame sleeve (42), and the bottom end of the elastic piece (41) is installed in the lower frame sleeve (43).
6. The vibration isolation device according to claim 1, wherein: the vibration mechanism (3) comprises a motor (31), and the motor (31) is installed on the top plate (2) to generate vibration.
7. The vibration isolation device according to claim 6, wherein: the vibration mechanism (3) comprises a bottom frame (32), a sliding block (33), an eccentric disc (34) and a connecting rod (35), wherein the bottom frame (32) is installed on the top plate (2) and extends downwards into the rack (1), the sliding block (33) is installed on the bottom frame (32) in a sliding mode along the vertical direction, the eccentric disc (34) is installed on an output shaft of the motor (31), one end of the connecting rod (35) is hinged to the eccentric disc (34), and the other end of the connecting rod penetrates through the top plate (2) and is hinged to the sliding block (33) downwards.
8. The vibration isolation device according to claim 7, wherein: the vibration mechanism (3) comprises guide rods (36), the two guide rods (36) are arranged on the bottom frame (32) and are perpendicular to the top plate (2), and the sliding block (33) is slidably mounted on the two guide rods (36).
9. The vibration isolation device according to claim 8, wherein: the vibrating mechanism (3) comprises mounting plates (37) and a pin shaft (38), the two mounting plates (37) are oppositely arranged on the sliding block (33), the pin shaft (38) is mounted on the two mounting plates (37), and one end, far away from the eccentric disc (34), of the connecting rod (35) is hinged to the pin shaft (38).
10. The vibration isolation apparatus according to claim 9, wherein: one end side of the connecting rod (35) matched with the eccentric disc (34) extends to form a hinged rod, and a gear matched with the eccentric disc (34) is installed on the hinged rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220695120.8U CN217130200U (en) | 2022-03-28 | 2022-03-28 | Vibration isolation device for controlling vibration transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220695120.8U CN217130200U (en) | 2022-03-28 | 2022-03-28 | Vibration isolation device for controlling vibration transmission |
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| Publication Number | Publication Date |
|---|---|
| CN217130200U true CN217130200U (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220695120.8U Active CN217130200U (en) | 2022-03-28 | 2022-03-28 | Vibration isolation device for controlling vibration transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257680A (en) * | 2022-09-05 | 2022-11-01 | 柏瑞科(上海)轨道交通科技有限公司 | Vibration reduction type electromechanical braking unit suitable for urban rail vehicle |
-
2022
- 2022-03-28 CN CN202220695120.8U patent/CN217130200U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257680A (en) * | 2022-09-05 | 2022-11-01 | 柏瑞科(上海)轨道交通科技有限公司 | Vibration reduction type electromechanical braking unit suitable for urban rail vehicle |
| CN115257680B (en) * | 2022-09-05 | 2024-04-16 | 马天和 | Damping type electromechanical braking unit suitable for urban rail vehicle |
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