Vibration reduction device based on inerter element and damping element

Abstract

The utility model discloses a damping device based on an inerter element and a damping element, which comprises a first support plate and a second support plate, a first fixing rod and a second fixing rod are respectively and fixedly arranged on the first support plate and the second support plate, and the damping element and the inerter element are arranged between the first fixing rod and the second fixing rod. The two ends of the damping element are connected with one end of the first fixing rod and one end of the inerter element through detachable connecting mechanisms correspondingly, the other end of the inerter element is connected with one end of the second fixing rod through a detachable connecting mechanism, and two sets of elastic assemblies are fixedly installed between the first supporting plate and the second supporting plate. By combining the inerter element and the damping element, a double vibration reduction mechanism is provided, the vibration reduction effect is effectively improved, the damping element and the inerter element are easy to install and independently or completely replaced and maintained, the cost is reduced, and the flexibility and durability of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a damping device technical field, concretely is a damping device based on inertial element and damping element. BACKGROUND

[0002] In the field of mechanical systems, building structures, vehicle engineering, damping technology is a crucial technology. Damping device can effectively reduce the vibration of the system or structure when subjected to external excitation, thereby improving the stability, safety and comfort of the system. Traditional damping devices mostly use single elements such as springs and dampers, which can reduce vibration to some extent, but the damping effect may not be ideal in some complex working conditions. In order to overcome the limitations of traditional damping devices, people have begun to explore new methods of combining multiple damping elements. Inertial element as a new type of damping element has mass amplification effect and can provide effective damping effect in low frequency band. The combination of inertial element and damping element can form a double damping mechanism, which can effectively suppress vibration in low frequency band and quickly attenuate vibration energy in high frequency band.

[0003] However, the existing damping device based on inertial element and damping element often has some problems in structure: the connection between the inertial element and the damping element is not flexible enough, which is not convenient for installation, disassembly and replacement; the installation method of the fixed rod, the damping element and the inertial element is not simple enough, which increases the installation difficulty and cost. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a damping device based on inertial element and damping element, which provides a double damping mechanism by combining inertial element and damping element, effectively improves the damping effect, makes the damping element and the inertial element easy to install and replace and maintain, reduces the cost, improves the flexibility and durability of the device, to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A damping device based on inertial element and damping element, comprising a first support plate and a second support plate, the first support plate and the second support plate are respectively fixedly installed with a first fixed rod and a second fixed rod, a damping element and an inertial element are arranged between the first fixed rod and the second fixed rod, the two ends of the damping element are connected with the one end of the first fixed rod and the screw rod end of the inertial element through detachable connecting mechanism, and the other end of the inertial element is also connected with the one end of the second fixed rod through detachable connecting mechanism, two groups of elastic components are fixedly installed between the first support plate and the second support plate, and the two groups of elastic components are symmetrically arranged about the damping element and the inertial element.

[0007] Preferably, the other end of the first fixed rod and the other end of the second fixed rod are fixedly connected with a connecting piece.

[0008] Preferably, the middle sections of the first fixed rod and the second fixed rod are provided with threads, and the first fixed rod and the second fixed rod are fixedly installed on the first supporting plate and the second supporting plate through two locking nuts respectively.

[0009] Preferably, a protective sleeve is fixedly connected to the piston rod of the damping element, and the protective sleeve is sleeved on the outer cylinder of the damping element.

[0010] Preferably, the detachable connecting mechanism comprises a first connecting block, a second connecting block and a connecting bolt, one end surface of the first connecting block is fixed to one end of the first fixed rod, the bottom end of the damping element or one end of the second fixed rod, one end surface of the second connecting block is fixed to the piston rod of the damping element, the lead screw of the inerter element and the bottom end of the inerter element, a slot is formed in the other end surface of the first connecting block, the second connecting block is inserted into the slot, and the connecting bolt penetrates through the first connecting block and the second connecting block and locks and connects the first connecting block and the second connecting block together.

[0011] Preferably, the elastic assembly comprises a first mounting seat, a second mounting seat and a spring, the first mounting seat and the second mounting seat are fixedly installed on the first supporting plate and the second supporting plate respectively, and the spring is fixedly connected between the first mounting seat and the second mounting seat.

[0012] Preferably, threaded holes are formed in the end surfaces of the first mounting seat and the second mounting seat away from the spring, and the first mounting seat and the second mounting seat are fixedly installed on the first supporting plate and the second supporting plate through locking screws respectively.

[0013] Preferably, stable columns are arranged on the opposite end surfaces of the first mounting seat and the second mounting seat, and the two ends of the spring are sleeved on the two oppositely arranged stable columns respectively.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The damping device based on the inerter element and the damping element provides a double damping mechanism by combining the inerter element and the damping element, effectively improves the damping effect, the symmetrical arrangement of the two elastic assemblies further enhances the stability and damping capacity of the device, and also helps to balance the deformation of the damping device under stress, the first supporting plate and the second supporting plate and the connection between them through the fixed rod, the damping element and the inerter element form a stable structure, which can adapt to different installation environments, and the damping element and the inerter element are easily installed and individually or completely replaced and maintained by the detachable connecting mechanism, which reduces the cost and improves the flexibility and durability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structure diagram of a damping device based on inertial and damping elements is provided in the utility model Figure 1 .

[0017] Figure 2 A structure diagram of a damping device based on inertial and damping elements is provided in the utility model Figure 2 .

[0018] Figure 3 A structure diagram of a damping device based on inertial and damping elements is provided in the utility model.

[0019] Figure 4 A structure diagram of a damping device based on inertial and damping elements is provided in the utility model.

[0020] In the drawing: 1, first support plate; 2, second support plate; 3, first fixed rod; 4, second fixed rod; 5, damping element; 6, inertial element; 7, detachable connecting mechanism; 701, first connecting block; 7011, slot; 702, second connecting block; 703, connecting bolt; 8, elastic assembly; 801, first mounting seat; 802, second mounting seat; 803, spring; 804, locking screw; 805, stabilizing column; 9, connecting piece; 10, protective sleeve; 11, locking nut. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4The utility model provides a kind of vibration damper based on inerter element and damping element, including first support plate 1 and second support plate 2, first support plate 1 and second support plate 2 are respectively fixedly installed with first fixed rod 3 and second fixed rod 4, damping element 5 and inerter element 6 are arranged between first fixed rod 3 and second fixed rod 4, the piston rod of damping element 5 is fixedly connected with protective sleeve 10, protective sleeve 10 is sleeved on the outer cylinder of damping element 5, effectively protect the piston rod of damping element 5 of damping element, prevent it from being damaged or abraded in use process, also play guiding effect, ensure the smooth movement of damping element piston rod, improve the working efficiency and life of device, the both ends of damping element 5 are connected with the one end of first fixed rod 3 and the screw rod end of inerter element 6 respectively through detachable connecting mechanism 7, and the other end of inerter element 6 is also connected with the one end of second fixed rod 4 through detachable connecting mechanism 7, two groups of elastic components 8 are fixedly installed between first support plate 1 and second support plate 2, and two groups of elastic components 8 are symmetrically arranged about damping element 5 and inerter element 6.

[0024] The above-mentioned damping element 5 mainly includes outer cylinder, piston structure, sealing element and damping medium, etc., the inner part of outer cylinder forms airtight chamber, for accommodating damping medium, piston structure is located inside cylinder body, is connected with outside through piston rod, piston structure reciprocates during vibration, so that damping medium flows in cylinder body, thereby generating damping force, sealing element is used to seal the gap between outer cylinder and piston structure, to prevent damping medium from leaking, damping medium is liquid or gas filled in outer cylinder, damping medium flows in outer cylinder by the movement of piston structure, generates damping force, converts vibration energy into heat energy dissipation;Inerter element 6 is a kind of element using screw rod transmission to convert linear motion into rotary motion, thereby driving flywheel to rotate, realizes inerter effect, it mainly includes screw rod, nut and flywheel, etc., screw rod is the core transmission component of inerter element, is responsible for converting linear motion into rotary motion, nut cooperates with screw rod, interacts with ball on screw rod through its internal thread structure, realizes the conversion of stable and efficient linear motion to rotary motion, flywheel is inertia mass of inerter element, generates inertia torque by rotation, realizes inerter effect.

[0025] The damping device based on the inerter and the damping element provides a double damping mechanism by combining the inerter 6 and the damping element 5, effectively improves the damping effect, the symmetrical arrangement of the two groups of elastic components 8 further enhances the stability and damping capacity of the device, and also helps to balance the deformation of the damping device under stress, the first support plate 1 and the second support plate 2 and the connection between them through the fixing rod, the damping element 5 and the inerter 6 form a stable structure, which can adapt to different installation environments, and the fixing rod, the damping element 5 and the inerter 6 are connected through the detachable connecting mechanism 7, so that the damping element 5 and the inerter 6 are easy to install and replace and maintain alone or all, reduce the cost, improve the flexibility and durability of the device.

[0026] Among them, the other end of the first fixing rod 3 and the other end of the second fixing rod 4 are fixedly connected with the connecting piece 9, the connecting piece 9 enables the first fixing rod 3 and the second fixing rod 4 to be conveniently connected with other structures or components, enhancing the overall stability and connection strength of the damping device, the middle segment of the first fixing rod 3 and the second fixing rod 4 is provided with a thread, and the first fixing rod 3 and the second fixing rod 4 are fixedly installed on the first support plate 1 and the second support plate 2 respectively through two locking nuts 11, so that the installation process of the first fixing rod 3 and the second fixing rod 4 is more convenient, and the position and fastening degree of the fixing rod are easy to adjust, ensuring the stability during long-term use.

[0027] The detachable connecting mechanism 7 includes a first connecting block 701, a second connecting block 702 and a connecting bolt 703, one end face of the first connecting block 701 is fixed to one end of the first fixing rod 3, the bottom end of the damping element 5 or one end of the second fixing rod 4, one end face of the second connecting block 702 is fixed to the piston rod of the damping element 5, the screw rod of the inerter 6 and the bottom end of the inerter 6, the other end face of the first connecting block 701 is provided with a slot 7011, the second connecting block 702 is inserted in the slot 7011, the connecting bolt 703 penetrates through the first connecting block 701 and the second connecting block 702, and locks and connects the first connecting block 701 and the second connecting block 702 together, the cooperation of the slot 7011 and the connecting bolt 703 facilitates the connection of the first connecting block 701 and the second connecting block 702, provides a simple and reliable connection method, makes the connection process fast and firm, facilitates the disassembly and replacement of the damping element 5 and the inerter 6, enhances the modularity and maintainability of the device, and reduces the maintenance cost.

[0028] The elastic assembly 8 comprises a first mounting base 801, a second mounting base 802 and a spring 803, the first mounting base 801 and the second mounting base 802 are fixedly installed on the first supporting plate 1 and the second supporting plate 2 respectively, and the spring 803 is fixedly connected between the first mounting base 801 and the second mounting base 802, the first mounting base 801 and the second mounting base 802 are fixed on the supporting plates respectively, thereby providing a stable supporting point for the spring 803, ensuring normal work of the spring 803, providing good elastic support, enhancing the damping effect, threaded holes are formed in the end faces of the first mounting base 801 and the second mounting base 802 away from the spring 803, the first mounting base 801 and the second mounting base 802 are fixedly installed on the first supporting plate 1 and the second supporting plate 2 respectively through locking screws 804, and the first mounting base 801 and the second mounting base 802 are fixed on the supporting plates through the locking screws 804, thereby ensuring stability, facilitating installation and dismounting of the mounting bases, facilitating dismounting of the spring 803, and the opposite end faces of the first mounting base 801 and the second mounting base 802 are both provided with stable columns 805, the two ends of the spring 803 are sleeved on the two opposite stable columns 805 respectively, the stable columns 805 provide guidance and support for the spring 803, thereby ensuring stable deformation of the spring 803 under stress, helping to prevent the spring 803 from being deflected or twisted during long-term use, and prolonging the service life of the spring 803.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A vibration damping device based on an inerter element and a damper element, characterized by: The utility model provides a damping element (5) and inerter element (6) are arranged between first fixed link (3) and second fixed link (4), one end of damping element (5) is connected with the screw rod end of inerter element (6) through detachable connecting mechanism (7) respectively with the one end of first fixed link (3), and the other end of inerter element (6) is also connected with the one end of second fixed link (4) through detachable connecting mechanism (7), and two groups of elastic components (8) are fixedly installed between first fixed link (3) and second fixed link (4), and two groups of elastic components (8) are symmetrically arranged about damping element (5) and inerter element (6).

2. The inerter and damper based vibration attenuation device of claim 1, wherein: The other end of the first fixed link (3) and the other end of the second fixed link (4) are fixedly connected with the connecting piece (9).

3. The inerter and damper based vibration attenuation device of claim 1, wherein: The middle segment of the first fixed link (3) and the second fixed link (4) is provided with a thread, and the first fixed link (3) and the second fixed link (4) are fixedly installed on the first fixed link (3) and the second fixed link (4) through two locking nuts (11) respectively.

4. The inerter and dashpot based vibration attenuation device of claim 1, wherein: The piston rod of the damping element (5) is fixedly connected with the protective sleeve (10), and the protective sleeve (10) is sleeved on the outer cylinder of the damping element (5).

5. The inerter and dashpot based vibration attenuation device of claim 1, wherein: The detachable connecting mechanism (7) includes a first connecting block (701), a second connecting block (702) and a connecting bolt (703), one end surface of the first connecting block (701) is fixed on one end of the first fixed link (3), a bottom end of the damping element (5) or one end of the second fixed link (4), one end surface of the second connecting block (702) is fixed on the piston rod of the damping element (5), the screw rod of the inerter element (6) and the bottom end of the inerter element (6), a plug groove (7011) is formed on the other end surface of the first connecting block (701), the second connecting block (702) is inserted into the plug groove (7011), the connecting bolt (703) penetrates through the first connecting block (701) and the second connecting block (702), and the first connecting block (701) and the second connecting block (702) are locked and connected together.

6. The inerter and dashpot based vibration attenuation device of claim 1, wherein: The elastic component (8) includes a first mounting seat (801), a second mounting seat (802) and a spring (803), the first mounting seat (801) and the second mounting seat (802) are fixedly installed on the first fixed link (3) and the second fixed link (4) respectively, and the spring (803) is fixedly connected between the first mounting seat (801) and the second mounting seat (802).

7. The device according to claim 6, wherein: Threaded holes are formed on the end surfaces of the first mounting seat (801) and the second mounting seat (802) away from the spring (803), and the first mounting seat (801) and the second mounting seat (802) are fixedly installed on the first fixed link (3) and the second fixed link (4) through locking screws (804) respectively.

8. The device according to claim 6, wherein: The first mounting seat (801) and the second mounting seat (802) are provided with stable columns (805) on opposite end faces, and the two ends of the spring (803) are respectively sleeved on the two opposite stable columns (805).

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