CN114893531A

CN114893531A - Adjustable damping's of adjustable frequency spring device that shakes

Info

Publication number: CN114893531A
Application number: CN202210383845.8A
Authority: CN
Inventors: 王豫; 魏陆顺; 梁欢文; 何思杰; 管庆松
Original assignee: Zhenan Technology Co Ltd
Current assignee: Zhenan Technology Co Ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-12

Abstract

The invention belongs to the technical field of vibration control, and particularly relates to a frequency-adjustable damping-adjustable spring vibration absorption device; the device comprises a movable frame, a fixed frame, a guide rail, a main sliding block, a mass block, a viscous damper, a tension device, a main pressure spring and a horizontal fixed groove, wherein the movable frame comprises a movable horizontal frame, a movable support and an upper flange, and the fixed frame comprises a fixed horizontal frame, a fixed support and a lower flange. The fixed bracket is fixedly arranged at the rear end of the fixed horizontal frame, the hinged part is arranged between the movable bracket and the fixed bracket, one end of the hinged part is connected with the movable bracket, and the other end of the hinged part is connected with the fixed bracket, so that the movable bracket can rotate relative to the fixed bracket by taking the hinged part as a fulcrum; the vibration absorber can adjust the natural frequency and the damping of the vibration absorber.

Description

Frequency-adjustable damping-adjustable spring vibration absorption device

Technical Field

The invention belongs to the technical field of vibration control, and particularly relates to a frequency-adjustable damping-adjustable spring vibration absorption device.

Background

The structure is easily influenced by external excitation including vibration of wind vibration, earthquake, mechanical equipment, subway, vehicle and the like, various technical means are provided for solving the vibration problem at present, the tuned mass damper device is also a control device which is earlier applied to structurally treat the vibration problem, and the control principle is that when the natural frequency of the tuned mass damper device is adjusted to be the same as the excitation vibration of a controlled structure, a better vibration reduction effect can be generated. In practical engineering application, due to various random factors, it is very difficult to accurately master the excitation vibration of the controlled structure. Moreover, after the tuned mass damper device is installed, under long-term work, the tuned mass damper device can have problems of fatigue damage and the like, so that the inherent frequency of the device is changed; meanwhile, various unpredictable frequency micro-changes exist in the controlled structure in a long-term use state, so that the vibration absorption effect of the tuned mass damper device is increasingly poor.

Disclosure of Invention

The invention aims to provide a frequency-adjustable damping-adjustable spring vibration absorption device, which can adjust the natural frequency and the damping of the device.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a damping adjustable spring vibration absorbing device of adjustable frequency, includes adjustable shelf, mount, guide rail, main slider, quality piece, viscous damper, tension device, main pressure spring and horizontal fixed slot, the adjustable shelf comprises activity horizontal stand, movable support and top flange, the mount comprises fixed horizontal stand, fixed bolster and bottom flange. The fixed bolster is fixed to be set up the rear end of fixed horizontal stand, the articulated elements sets up between movable support and fixed bolster, and articulated elements one end is connected with the movable support, and the other end is connected with the fixed bolster, therefore the movable bolster can be relative as the fulcrum by the articulated elements the mount rotates. Two cylinders are arranged on the movable support, one end of the side pressure spring is sleeved on the cylinder of the movable support, similarly, two cylinders corresponding to the movable support are arranged on the fixed support, and the other end of the side pressure spring is sleeved on the cylinder of the fixed support. In the process that the movable frame rotates relative to the fixed frame by taking the hinge as a fulcrum, the two side pressure springs are both in a compression state in the whole process within the rotation range.

The movable frame is arranged on the fixed frame, the upper flanges are arranged at the front end and the two horizontal sides of the movable horizontal frame, and the lower flanges corresponding to the upper flanges are arranged at the two horizontal sides of the front end of the fixed horizontal frame. A triangular reinforcing rib is further arranged between the movable horizontal frame and the upper flange, and a triangular reinforcing rib is further arranged between the fixed horizontal frame and the lower flange.

And a tension device, a main pressure spring and a fixed screw are respectively arranged between the upper flange and the lower flange. The two ends of the main compression spring are sleeved on the limiting sleeves, and the limiting sleeves are respectively arranged on the bottom surface of the upper flange and the corresponding upper surface of the lower flange. The upper flange is provided with a through hole, and the lower flange is also provided with a through hole at the corresponding position. A screw rod part of an upper end cover of the tension device penetrates through the through hole of the upper flange, the tension device is screwed down on the other side of the upper flange by a fastening combination of a thick nut, a thin nut and a gasket, and at the moment, the upper plane of the upper end cover abuts against the lower plane of the upper flange; and the screw rod part of the central shaft penetrates through the through hole of the lower flange and the tension device is screwed on the other side of the lower flange by the fastening combination of the thick nut, the thin nut and the gasket.

The fixed frame is fixedly connected with protected equipment or a structure, one side of the movable frame is connected with the fixed frame through an articulated piece, the movable frame is opposite to the articulated piece as a fulcrum, a side pressure spring is arranged on one side of the movable frame and the fixed frame through the articulated piece, the side pressure spring provides restoring moment for the movable frame, a main pressure spring, a tension device and a viscous damper are vertically arranged between the movable frame and the fixed frame and provide vertical restoring force for the movable frame, the main pressure spring, the tension device and the side pressure spring are selectively matched as required, a guide rail and a horizontal fixing groove are arranged on the movable frame, the horizontal fixing groove is parallel to the direction of the guide rail, one or more main sliding blocks are arranged in the guide rail and the horizontal fixing groove, a mass block is arranged on the main sliding block, the mass block can move on the guide rail through the main sliding block, and stepless adjustment of the system rigidity is realized.

Furthermore, the viscous dampers are provided with two sets and are respectively arranged on two sides of the spring vibration absorption device, each viscous damper comprises a cavity, an inserting plate, an upper mounting plate and a lower mounting plate, two parallel T-shaped grooves b are processed on the upper mounting plate, two parallel T-shaped grooves c are also processed on the lower mounting plate, and the directions of the T-shaped grooves b and the T-shaped grooves c are parallel to each other and parallel to the guide rails; t type nut b has been placed on T type groove b, T type nut c has been placed on T type groove c, the top panel of picture peg adopts bolt and the fastening of T type nut b to make picture peg fixed mounting on T type spout b, the side panel of cavity adopts bolt and the fastening of T type nut c to make on cavity fixed mounting T type spout c, and viscous damper can move on last mounting panel and lower mounting panel, realizes the stepless adjustment of system damping.

Furthermore, the upper mounting plates are mounted on two sides of the movable frame, and the lower mounting plates are mounted on two sides of the fixed frame.

Further, go up the mounting panel and install in quality piece lower surface both sides, the mounting panel is installed down the both sides of fixed bolster not only can realize vertical damping function, along the quality piece during guide rail horizontal reciprocating motion, the picture peg is along doing the level to reciprocating motion, and cut the inside damping liquid of cavity to produce horizontal damping power, and dissipation vibration energy.

Furthermore, viscous damping fluid is filled in the inner cavity of the cavity, and the inserting plate part of the inserting plate is inserted into the inner cavity of the cavity and is immersed in the viscous damping fluid.

Furthermore, the tension device comprises an upper end cover, a pressing plate, outer cylinders, a pressure spring, a lower end cover and a central shaft, the cross sections of the outer cylinders are semi-circular arc-shaped, the lower plane of the upper end cover is in bolted connection with the upper end faces of the two outer cylinders, and opposite vertical guide seams are formed between the outer cylinders of the two tension devices; the pressing plate is similar to a cake shape in appearance, opposite bosses are machined on two sides of the pressing plate and embedded between the vertical guide slits, the lower end cover is circular in appearance and is in bolted connection with the lower end faces of the two outer cylinders, the central shaft penetrates through the lower end cover and is fixedly connected with the lower plane of the pressing plate through bolts, and a pressure spring is arranged on the outer surface of the central shaft in the outer cylinders.

Furthermore, a main connecting piece is further arranged between the mass block and the main sliding block, an auxiliary sliding block is further arranged on the guide rail, an auxiliary connecting piece is arranged on the auxiliary sliding block, and a horizontal tension spring is arranged between the main connecting piece and the auxiliary connecting piece to form balance force.

Further, main connecting piece has been seted up and has been taken heavy platform through-hole an, set up on the vice connecting piece and take heavy platform through-hole b, T type groove an has been seted up to the horizontal fixed slot, the direction of T type groove a is parallel with the direction of guide rail, has placed T type nut an on the T type groove a, take heavy platform through-hole an and take heavy platform through-hole b go up with the bolt from the top pass its through-hole and with T type nut a fastening makes main connecting piece and vice connecting piece and horizontal fixed slot fixed connection, also indirectly makes main connecting piece and vice connecting piece fix on the guide rail, can not freely slide.

Furthermore, the auxiliary connecting piece is fixed with the horizontal fixing groove, the main connecting piece is not fixedly connected with the horizontal fixing groove, the mass block and the horizontal spring form a horizontal vibration absorption device, and the natural horizontal frequency of the mass block and the external excitation frequency in the direction generate resonance so as to absorb external vibration energy and realize vibration reduction.

Furthermore, the number of the side pressure springs is two, the side pressure springs are compression springs, and the side pressure springs are arranged on the upper side and the lower side of the hinged piece.

Compared with the prior art, the invention has at least one of the following beneficial effects:

the invention provides a vibration absorption device capable of adjusting the natural frequency of the device and adjusting the damping of the device. The natural frequency of the device can be adjusted by adopting the position of the movable mass block and the parameters of the spring. The damping adjustment of the device is realized by changing the movement speed of the wiping plate by changing the damping position, and vertical and horizontal unidirectional vibration reduction is realized simultaneously.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a first perspective view of the first embodiment 1;

FIG. 3 is a perspective view of the second embodiment 1;

FIG. 4 is a schematic view showing a structure of a guide rail and a horizontal fixing groove in embodiment 1;

FIG. 5 is a side view of FIG. 4;

FIG. 6 is a schematic view of the structure of the tension device;

FIG. 7 is an exploded view of the tension device;

FIG. 8 is a schematic view of a viscous damper configuration;

fig. 9 is a schematic view of the transportation and installation structure of the vibration absorbing device;

FIG. 10 is a schematic structural view of example 2;

FIG. 11 is a perspective view of embodiment 2;

fig. 12 is a working principle diagram of the device of the invention.

In the figure, 1-mass block, 2-main slide block, 3-guide rail, 4-movable frame, 4.1-movable horizontal frame, 4.2-movable frame, 4.3-upper flange, 5-main connecting piece, 6-hinge piece, 7-fixed frame, 7.1-fixed horizontal frame, 7.2-fixed frame, 7.3-lower flange, 8-viscous damper, 8.1-cavity, 8.2-insertion plate, 8.3-upper mounting plate, 8.4-lower mounting plate, 9-tension device, 9.1-upper end cover, 9.2-pressing plate, 9.3-outer cylinder, 9.4-pressure spring, 9.5-lower end cover, 9.6-central shaft, 10-main pressure spring, 11-transport screw, 12-side pressure spring, 13-auxiliary slide block, 14-auxiliary connecting piece, 15-horizontal spring, 16-horizontal fixation groove.

Detailed Description

As shown in fig. 1 to 12, in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1-fig. 3, the spring vibration absorbing device with adjustable frequency and adjustable damping comprises a movable frame 4, a fixed frame 7, a guide rail 3, a main slider 2, a mass block 1, a viscous damper 8, a tension device 9, a main compression spring 10 and a horizontal fixing groove 16.

The movable frame 4 consists of a movable horizontal frame 4.1, a movable support 4.2 and an upper flange 4.3.

The guide rails 3 are arranged on two sides of the upper surface of the movable horizontal frame 4.1 in parallel; the number of the main sliding blocks 2 is four, two of the main sliding blocks 2 are arranged on the guide rail 3 on one side, the other two main sliding blocks 2 are arranged on the guide rail 3 on the other side, and the main sliding blocks 2 can freely slide along the installation direction of the guide rails 3.

The main connecting piece 5 is simultaneously arranged on the four main sliding blocks 2. The mass 1 is fixedly mounted on the main connecting piece 5, so that the mass 1 can slide freely on the guide rail 3 via the main slider 2.

As shown in fig. 4 and 5, the horizontal fixing grooves 16 are disposed between the guide rails 3, T-shaped grooves a are formed in the horizontal fixing grooves 16, the direction of the T-shaped grooves a is parallel to the guide rails 3, and T-shaped nuts a are placed on the T-shaped grooves a. The main connecting piece 5 is provided with a through hole, the main connecting piece 5 penetrates through the through hole from top to bottom by a bolt and is fastened with the T-shaped nut a, so that the main connecting piece 5 is fixedly connected with the horizontal fixing groove 16, and the mass block 1 is indirectly fixed on the guide rail 3 and cannot slide freely.

As shown in fig. 1 to 5, the movable support 4.2 is fixedly arranged at the rear end of the movable horizontal frame 4.1, right side of fig. 1.

The fixed mount 7 consists of a fixed horizontal mount 7.1, a fixed support 7.2 and a lower flange 7.3. The fixed support 7.2 is fixedly arranged at the rear end of the fixed horizontal frame 7.1, on the right side of the attached figure 1.

The articulated elements 6 are arranged between the movable support 4.2 and the fixed support 7.2, one end of the articulated elements 6 is connected with the movable support 4.2, and the other end of the articulated elements 6 is connected with the fixed support 7.2, so that the movable support 4 can rotate relative to the fixed support 7 by taking the articulated elements 6 as a fulcrum. Two side compression springs 12 are provided, and are compression springs, the side compression springs 12 are arranged on the upper side and the lower side of the hinge part 6, two cylinders are arranged on the movable support 4.2, one end of each side compression spring 12 is sleeved on the cylinder of the movable support 4.2, similarly, two cylinders corresponding to the movable support 4.2 are arranged on the fixed support 7.2, and the other end of each side compression spring 12 is sleeved on the cylinder of the fixed support 7.2. In the process that the movable frame 4 rotates relative to the fixed frame 7 by taking the hinge piece 6 as a fulcrum, the two side compression springs 12 are both in a compression state in the whole process within the rotation range.

The movable frame 4 is arranged on the fixed frame 7, the upper flanges 4.3 are arranged on the horizontal two sides of the front end (the left side of the attached drawing 1) of the movable horizontal frame 4.1, and the lower flanges 7.3 corresponding to the upper flanges 4.3 are arranged on the horizontal two sides of the front end (the left side of the attached drawing 1) of the fixed horizontal frame 7.1. A triangular reinforcing rib is further arranged between the movable horizontal frame 4.1 and the upper flange 4.3, and a triangular reinforcing rib is further arranged between the fixed horizontal frame 7.1 and the lower flange 7.3.

And a tension device 9, a main compression spring 10 and a fixed screw 11 are respectively arranged between the upper flange 4.3 and the lower flange 7.3. Two ends of the main pressure spring 10 are sleeved on limiting sleeves, and the limiting sleeves are respectively arranged on the bottom surface of the upper flange 4.3 and the upper surface of the corresponding lower flange 7.3. The upper flange 4.3 is provided with a through hole, and the lower flange 7.3 is also provided with a through hole at the corresponding position. A screw rod part of an upper end cover 9.1 of the tension device 9 penetrates through a through hole of the upper flange 4.3, the tension device 9 is screwed on the other side of the upper flange 4.3 by a fastening combination of a thick nut, a thin nut and a gasket, and at the moment, an upper plane of the upper end cover 9.1 is abutted against a lower plane of the upper flange 4.3; the screw rod part of the central shaft 9.6 penetrates through the through hole of the lower flange 7.3, and the tension device 9 is screwed on the other surface of the lower flange 7.3 by the fastening combination of a thick nut, a thin nut and a gasket.

As shown in fig. 6 and 7, the pulling device 9 is composed of an upper end cap 9.1, a pressing plate 9.2, two outer cylinders 9.3, a compression spring 9.4, a lower end cap 9.5 and a central shaft 9.6.

The section of the outer cylinder 9.3 is semicircular, the lower plane of the upper end cover 9.1 is connected with the upper end surfaces of the two outer cylinders 9.3 through bolts, and a relative vertical guide seam is formed between the two tension device outer cylinders 9.3; the shape of the pressing plate 9.2 is similar to a round cake shape, opposite bosses are processed on two sides of the pressing plate, and the bosses are embedded between the vertical guide slits. The lower end cover 9.5 is circular, the lower end cover 9.5 is connected with the lower end faces of the two outer cylinders 9.3 through bolts, and the central shaft 9.6 penetrates through the lower end cover 9.5 to be fixedly connected with the lower plane of the pressing plate 9.2 through bolts.

As shown in fig. 8, there are two viscous dampers 8 respectively disposed on two sides of the spring vibration absorbing device, and each viscous damper 8 is composed of a cavity 8.1, an insert plate 8.2, an upper mounting plate 8.3, and a lower mounting plate 8.4.

The upper mounting plate 8.3 is provided with two parallel T-shaped grooves b, the lower mounting plate 8.4 is also provided with two parallel T-shaped grooves c, and the T-shaped grooves b and the T-shaped grooves c are parallel to each other and parallel to the guide rail 3; a T-shaped nut b is placed on the T-shaped groove b, and a T-shaped nut c is placed on the T-shaped groove c; the upper mounting plates 8.3 are mounted on two sides of the movable horizontal frame 4.1, and the lower mounting plates 8.4 are mounted on two sides of the fixed horizontal frame 7.1; the top panel of picture peg 8.2 adopts bolt and T type nut b fastening to make picture peg 8.2 fixed mounting on T type spout b, the side panel of cavity 8.1 adopts bolt and T type nut c fastening to make cavity 8.1 fixed mounting on the T type spout c.

Viscous damping liquid is filled in the inner cavity of the cavity 8.1, the inserting plate part of the inserting plate 8.2 is inserted into the inner cavity of the cavity 8.1 and is immersed in the viscous damping liquid, the damping assembly is composed of the inserting plate 8.2 and the cavity 8.1, the inserting plate 8.2 makes reciprocating vertical movement in the cavity 8.1 under the action of the movable frame 4 to shear the damping liquid, and the damping liquid absorbs kinetic energy and converts the kinetic energy into heat energy to dissipate vibration energy.

As shown in fig. 9, during transportation and installation of the vibration absorbing device, the transportation bolt 11 penetrates through the upper flange 4.3 and the lower flange 7.3 simultaneously, and is fastened by nuts from top to bottom, after the installation of the vibration absorbing device is completed, the transportation bolt 11 is detached, and the spring vibration absorbing device is put into a working state.

The vertical vibration absorption device mainly solves the problem of vertical vibration, and the vertical vibration absorption device is formed by utilizing the mass on the movable frame 4, the selected main compression spring 10, the tension device 9, the side compression spring 12 and the damper, and the principle is that the resonance is generated by the natural frequency of the vertical vibration absorption device and the external excitation frequency so as to absorb the external vibration energy to realize vibration absorption. In embodiment 1, the fixed frame 7 is fixedly installed on the protected device or structure, the movable frame 4 rotates relative to the fixed frame 7 with the hinge 6 as a fulcrum after generating a resonance effect with an external excitation frequency, and the other end is supported by the main compression spring 10.

To achieve adjustable stiffness of the device, the working principle of the device is shown in fig. 12, wherein a mass m can slide on a rigid rod to adjust the system frequency.

The device corresponds to a free vibration equation as follows:

where k is the spring rate at point B. And the mass m moves, so that the rigidity of the system can be adjusted in a stepless manner.

From the above equation, the circular frequency of the device is:

from the above equation, the frequency of the device can be adjusted by changing the position of the mass. In the same way, the position of the damper can be changed to realize the adjustment of the damping.

The damping assembly that picture peg 8.2 and cavity 8.1 are constituteed, picture peg 8.2 makes reciprocal vertical motion shearing damping fluid at cavity 8.1 under the effect of adjustable shelf 4, and damping fluid absorbs kinetic energy and converts heat energy dissipation vibration energy into, and damping assembly provides damping force F ═ c xv vibration energy for the vibration absorbing device ^α C is a damping coefficient, alpha is a damping index, and v is the speed of the insert plate 8.2 reciprocating in the cavity 8.1.

The inserting plate 8.2 is arranged on the upper mounting plate 8.3 on the T-shaped groove b, and the cavity 8.1 is arranged on the T-shaped groove c of the lower mounting plate 8.4 and can move back and forth along the direction of the T-shaped groove. Meanwhile, one end of the movable frame 4 rotates relative to the fixed frame 7 by taking the hinge joint piece 6 as a fulcrum, namely, the working radius of the damping component around the hinge joint piece 6 is r, the rotating speed of the movable frame 4 is an angular speed omega, and the vertical speed v of the inserting plate 8.2 reciprocating in the cavity 8.1 is r multiplied by omega, so that the damping force F is c multiplied (r multiplied by omega) ^α According to the formula, the damping assembly moves back and forth, the radius r is changed, and the damping force is adjusted.

In this embodiment, the positions of the mass block 1 and the damping assembly can be adjusted according to the excitation action in the actual scene, so that the natural frequency and the damping force can be adjusted.

The tension device 9 can enable the movable frame 4 to have enough downward restoring force in the vertical direction; the two side compression springs 12 are distributed on the upper side and the lower side of the hinge piece 6, and when the movable frame 4 rotates relative to the fixed frame 7 by taking the hinge piece 6 as a fulcrum, the two side compression springs 12 provide restoring torque for the movable frame 4.2 under different expansion amounts.

Example 2

On the basis of embodiment 1, the following modifications may also be made:

as shown in fig. 10 and 11, the number of the sub-sliders 13 is four, two sub-sliders 13 are mounted on the guide rail 3 on one side and are disposed on both sides of the main slider 2, and the other two sub-sliders 13 are mounted on the guide rail 3 on the other side and are disposed on both sides of the other two main sliders 2.

Two auxiliary connecting pieces 14 are arranged on two sides of the main connecting piece 5, wherein one auxiliary connecting piece 14 is simultaneously arranged on two auxiliary sliding blocks 13 on one side. Another secondary link 14 is simultaneously mounted on the two secondary slides 13 on the other side. Thus, the two secondary connecting elements 14 can slide freely on the guide rail 3 via the secondary slide 13.

The side surfaces of the main connecting piece 5 and the auxiliary connecting piece 14 are provided with bosses with round holes. Four horizontal tension springs 15 are arranged in parallel with the guide rail 3, two horizontal tension springs 15 are arranged between one of the secondary connecting members 14 and one side of the primary connecting member 5, and the other two horizontal tension springs 15 are arranged between the other secondary connecting member 14 and the other side of the primary connecting member 5. The four horizontal tension springs 15 are connected by circular hooks at two ends of the horizontal tension spring 15.

Three through holes are respectively processed on the two auxiliary connecting pieces 14, the auxiliary connecting pieces 14 penetrate through the through holes from top to bottom by bolts and are fastened with the T-shaped nuts a, so that the auxiliary connecting pieces 2 are fixedly connected with the horizontal fixing grooves 16, the auxiliary connecting pieces 2 are indirectly fixed on the guide rails 3 and cannot freely slide, and the main connecting pieces 5 are not fixedly connected with the horizontal fixing grooves 16.

As shown in fig. 8 and 9, the respective upper mounting plates 8.3 of the two sets of viscous dampers 8 are fixedly connected with the lower plane of the mass block 1.

Embodiment 2 can simultaneously process the micro-amplitude high-frequency vibration in two directions of the vertical direction and the horizontal direction (the direction of the guide rail), that is, the vibration absorption device can realize the vibration absorption of the vertical vibration in embodiment 1, and after the mass block 1 generates resonance action with the external excitation frequency in the horizontal direction, the mass block reciprocates along the guide rail 3 to realize the vibration absorption in the direction (the direction of the guide rail).

In this embodiment, the inserting plate 8.2 is installed under the mass block through the upper installation plate 8.3, except that the vertical damping function in embodiment 1 can be realized, when the mass block 1 reciprocates along the guide rail 3, the inserting plate 8.2 reciprocates horizontally along with the mass block and shears the damping liquid in the cavity 8.1, so that the horizontal damping force is generated and the vibration energy is dissipated.

The embodiment is mainly used for solving the problem of vertical and horizontal micro-amplitude high-frequency vibration. The vertical vibration absorption mechanism is the same as that of example 1, and the horizontal vibration absorption direction is the same direction as that of the guide rail 3. Two auxiliary connecting pieces 14 are fixed with a horizontal fixing groove 16, the mass block 1 and the horizontal spring 15 form a horizontal vibration absorption device, and the vibration absorption device generates resonance through the inherent horizontal frequency of the mass block and the external excitation frequency in the direction so as to absorb external vibration energy to realize vibration reduction. In embodiment 2, the vibration absorbing device can not only reduce the vertical vibration as in embodiment 1, but also reciprocate along the guide rail 3 after the mass block 1 resonates with the horizontal external excitation frequency.

In embodiment 2, the inserting plate 8.2 is installed under the mass block through the upper installation plate 8.3, except that the vertical damping function in embodiment 1 can be realized, when the mass block 1 reciprocates along the guide rail 3, the inserting plate 8.2 reciprocates horizontally along with the mass block and shears damping liquid in the cavity 8.1, so that horizontal damping force is generated and vibration energy is dissipated.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a device is inhaled to adjustable damped spring of adjustable frequency which characterized in that: comprises a movable frame (4), a fixed frame (7), a guide rail (3), a main sliding block (2), a mass block (1), a viscous damper (8), a tension device (9), a main pressure spring (10) and a horizontal fixed groove (16), wherein one side of the movable frame (4) is connected with one side of the fixed frame (7) through a hinge piece (6), a side pressure spring (12) is arranged at one side of the movable frame (4) which is connected with the fixed frame (7) through a hinge piece (6), a main pressure spring (10), a tension device (9) and a viscous damper (8) are vertically arranged between the movable frame (4) and the fixed frame (7), a guide rail (3) and a horizontal fixed groove (16) are arranged on the movable frame (4), and the horizontal fixing groove (16) is parallel to the direction of the guide rail (3), the main sliding block (2) is arranged in the guide rail (3) and the horizontal fixing groove (16), and the mass block (1) is arranged on the main sliding block (2).

2. The adjustable frequency and adjustable damping spring shock absorber apparatus according to claim 1, wherein: the viscous damper (8) is provided with two sets which are respectively arranged at two sides of the spring vibration absorption device, the viscous damper (8) comprises a cavity (8.1), a plug board (8.2), an upper mounting plate (8.3) and a lower mounting plate (8.4), the upper mounting plate (8.3) is provided with two parallel T-shaped grooves b, the lower mounting plate (8.4) is also provided with two parallel T-shaped grooves c, and the directions of the T-shaped grooves b and the T-shaped grooves c are parallel to each other and are parallel to the guide rail (3); t type nut b has been placed on T type groove b, T type nut c has been placed on T type groove c, the top panel of picture peg (8.2) adopts bolt and the fastening of T type nut b to make picture peg (8.2) fixed mounting on T type spout b, the side panel of cavity (8.1) adopts bolt and the fastening of T type nut c to make on cavity (8.1) fixed mounting T type spout c.

3. The adjustable frequency and adjustable damping spring shock absorber apparatus according to claim 2, wherein: the upper mounting plate (8.3) is arranged at two sides of the movable frame (4), and the lower mounting plate (8.4) is arranged at two sides of the fixed frame (7).

4. The adjustable frequency and adjustable damping spring shock absorber apparatus according to claim 2, wherein: the upper mounting plates (8.3) are mounted on two sides of the lower surface of the mass block (1), and the lower mounting plates (8.4) are mounted on two sides of the fixing frame (7).

5. The adjustable frequency and adjustable damping spring vibration absorbing apparatus according to claim 2, wherein: viscous damping fluid is filled in the inner cavity of the cavity (8.1), and the insert plate part of the insert plate (8.2) is inserted into the inner cavity of the cavity (8.1) and is immersed in the viscous damping fluid.

6. The adjustable frequency and adjustable damping spring shock absorber apparatus according to claim 1, wherein: the tension device (9) comprises an upper end cover (9.1), a pressing plate (9.2), outer cylinders (9.3), a pressure spring (9.4), a lower end cover (9.5) and a central shaft (9.6), the cross sections of the outer cylinders (9.3) are in a semi-arc shape, the lower plane of the upper end cover (9.1) is in bolted connection with the upper end faces of the two outer cylinders (9.3), and opposite vertical guide seams are formed between the two tension device outer cylinders (9.3); the appearance of the pressing plate (9.2) is similar to a cake shape, opposite bosses are processed on two sides of the pressing plate, the bosses are embedded between the vertical guide slits, the appearance of the lower end cover (9.5) is circular, the lower end cover (9.5) is in bolted connection with the lower end faces of the two outer cylinders (9.3), the central shaft (9.6) penetrates through the lower end cover (9.5) and is fixedly connected with the lower plane of the pressing plate (9.2) through bolts, and the outer surface of the central shaft (9.6) is provided with a pressure spring (9.4) inside the outer cylinder (9.3).

7. The adjustable frequency and adjustable damping spring vibration absorbing apparatus according to claim 1, wherein: a main connecting piece (5) is further arranged between the mass block (1) and the main sliding block (2), an auxiliary sliding block (13) is further arranged on the guide rail (3), an auxiliary connecting piece (14) is arranged on the auxiliary sliding block (13), and a horizontal tension spring (15) is arranged between the main connecting piece (5) and the auxiliary connecting piece (14).

8. The adjustable frequency and adjustable damping spring vibration absorbing apparatus according to claim 6, wherein: main connecting piece (5) have been seted up and have been taken heavy platform through-hole an, seted up on vice connecting piece (14) and taken heavy platform through-hole b, T type groove an has been seted up in horizontal fixed slot (16), the direction of T type groove a is parallel with the direction of guide rail (3), has placed T type nut an on the T type groove a, take heavy platform through-hole an and take heavy platform through-hole b go up with the bolt from the top pass its through-hole and with T type nut an fastening makes main connecting piece (5) and vice connecting piece (14) and horizontal fixed slot (16) fixed connection.

9. The adjustable frequency and adjustable damping spring shock absorber apparatus according to claim 8, wherein: the auxiliary connecting piece (14) is fixed with the horizontal fixing groove (16), and the main connecting piece (5) is not fixedly connected with the horizontal fixing groove (16).

10. The adjustable frequency and adjustable damping spring shock absorber apparatus according to claim 1, wherein: the two side compression springs (12) are compression springs, and the two side compression springs (12) are arranged on the upper side and the lower side of the hinged piece (6).