CN107504116B - Vibration damper system capable of limiting vibration amplitude in three directions - Google Patents
Vibration damper system capable of limiting vibration amplitude in three directions Download PDFInfo
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- CN107504116B CN107504116B CN201710748159.5A CN201710748159A CN107504116B CN 107504116 B CN107504116 B CN 107504116B CN 201710748159 A CN201710748159 A CN 201710748159A CN 107504116 B CN107504116 B CN 107504116B
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- reed
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- lower frame
- frame
- upper panel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model provides a can restrict shock absorber system of three direction amplitude, includes reed group, vertical reed group, spring, damping pole, spacing rubber post, the reed group is equipped with 2 pairs, and 2 pairs of reed groups are fixed respectively with the screw between top panel and the top frame and between top frame and the lower frame, vertical reed group is equipped with 1 pair, and 1 pair of vertical reed group is fixed with the screw between lower frame and the lower frame, the spring is equipped with 8, and 8 springs set up between lower frame and lower frame for the shock absorber can realize elastic deformation in horizontal direction and vertical direction, the damping pole is equipped with 8, and 4 damping poles are connected with screw between top panel and lower panel, and 4 damping poles are connected with screw respectively between top panel and top frame and between top frame and the lower panel, spacing rubber post is equipped with 8, 4 spacing rubber posts set up between lower panel and lower frame, be equipped with 4 limiters on the top panel, be equipped with 4 limiters on the lower frame.
Description
Technical Field
The present invention relates to a damper system capable of limiting the amplitude of vibration in three directions.
Background
The wheel type and crawler type vehicles can generate various jolts, vibration and even impact due to the complex shape of the ground in the running process, and the vibration impact load can damage vehicle-mounted precise instruments and equipment if not protected. In order to reduce the influence and damage of the harmful loads on the vehicle-mounted precise instrument, rubber type dampers and spring type dampers are usually arranged between the vehicle-mounted inertial navigation platform and the vehicle-mounted mounting base, or inertial components in the inertial navigation platform are protected by directly depending on an internal damping system of the inertial navigation platform. However, the vibration damper or the vibration damping method can only improve the vibration resistance and impact resistance of precision instruments and equipment such as an inertial navigation platform, and can not provide more ideal vibration mechanical environment and vibration motion gesture for the precision instruments and equipment such as the inertial navigation platform, thereby affecting the precision and performance of the precision instruments and equipment such as the inertial navigation platform.
Disclosure of Invention
The invention aims to provide a shock absorber system capable of limiting the amplitude of vibration in three directions so as to improve the reliability and the safety of products and limit the movement of the shock absorber in three directions.
The technical scheme that realizes above-mentioned purpose and adopts, a shock absorber system that can restrict three direction amplitude, including lower panel, underframe, upper frame, top panel, reed group, vertical reed group, spring, damping lever, spacing rubber post, the reed group is equipped with 2 pairs, and 2 pairs of reed groups are fixed respectively with the screw between top panel and upper frame and between upper frame and the underframe, vertical reed group is equipped with 1 pair, and 1 pair of vertical reed group is fixed with the screw between underframe and underframe, the spring is equipped with 8, and 8 springs set up between underframe and underframe for the shock absorber can realize elastic deformation in horizontal direction and vertical direction, the damping lever is equipped with 8, and 4 damping levers are connected with the screw between upper panel and underframe respectively, and between upper frame and the underframe with the damping in each direction of increase shock absorber, 8 spacing rubber posts set up between underframe and underframe, be equipped with 4 reer, limit stopper and limit the limit stopper of limit stopper to the volume of limit the limit stopper to three directions, the limit the volume of limit stopper to the limit the volume of every direction on the upper panel.
Advantageous effects
Compared with the prior art, the invention has the following advantages.
1) The shock absorber takes a lower panel, a lower frame, an upper frame and an upper panel as main frames, the lower panel is connected with the lower frame through a vertical reed group, the lower frame is connected with the upper frame through a reed group, the upper frame is connected with the upper panel through a reed group, and the vertical reed group and the reed group have certain rigidity and elasticity, so that the degree of freedom of elastic deformation in three directions is provided for the shock absorber;
2) The lower panel and the upper panel of the shock absorber are connected by 4 damping rods, the lower panel and the upper frame are connected by 2 damping rods, the upper frame and the upper panel are connected by 2 damping rods, and the shock absorber can absorb and consume vibration energy by increasing the damping in all directions;
3) 8 springs are arranged between the lower panel and the lower frame of the shock absorber, and the 8 springs which are uniformly distributed support the load on the upper part of the shock absorber;
4) The shock absorber is equipped with 8 spacing rubber posts between lower panel and lower frame, and 4 limiters set up on the top panel, 4 limiters set up on the lower frame, and the elastic deformation volume of each reed group of restriction shock absorber and vertical reed group to improve product reliability, security, and carry out limit protection to the motion of shock absorber three direction and spacing.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
fig. 4 is a schematic diagram of a reed set according to the present invention;
fig. 5 is a schematic view of a stopper according to the present invention.
Detailed Description
A vibration damper system capable of limiting vibration amplitude in three directions comprises a lower panel 1, a lower frame 2, an upper frame 3, an upper panel 4, a reed group 5, vertical reed groups 10, springs 6, damping rods 9 and limiting rubber columns 7, wherein the reed groups 5 are provided with 2 pairs, the 2 pairs of reed groups 5 are respectively fixed between the upper panel 4 and the upper frame 3 and between the upper frame 3 and the lower frame 2 by screws, the vertical reed groups 10 are provided with 1 pair, the 1 pairs of vertical reed groups 10 are fixed between the lower frame 2 and the lower panel 1 by screws, the springs 6 are provided with 8 springs 6, the 8 springs 6 are arranged between the lower panel 1 and the lower frame 2, so that the vibration damper can realize elastic deformation in the horizontal direction and the vertical direction, the damping rods 9 are arranged in number, 4 damping rods 9 are connected between the upper panel 4 and the lower panel 1 through screws, 4 damping rods 9 are connected between the upper panel 4 and the upper frame 3 and between the upper frame 3 and the lower panel 1 through screws respectively so as to increase damping of the damper in all directions, 8 limiting rubber columns 7 are arranged between the lower panel 1 and the lower frame 2, 4 limiters 8 are arranged on the upper panel 4, 4 limiters 8 are arranged on the lower frame 2, and the limiters 8 limit elastic deformation of each reed group 5 and each vertical reed group 10 so as to improve product reliability and safety and limit movement of the damper in three directions.
The 4 limiters 8 installed on the upper panel 4 are respectively and symmetrically arranged on the outer opposite surfaces of the reed group 5 connected between the upper frame 3 and the lower frame 2, the 4 limiters 8 installed on the lower frame 2 are respectively and symmetrically arranged on the outer opposite surfaces of the reed group 5 connected between the upper panel 4 and the upper frame 3, and the distance between the limiters 8 and the reed group 5 is smaller than the flexible deformation amount of the reed group 5 in the elastic limit.
The limiter 8 comprises an L-shaped limiter bracket 802, as shown in fig. 5, one side of the limiter bracket 802 is provided with rubber 801, the limiter bracket 802 is connected with the upper panel 4 and the lower frame 2 by screws, and the screw connection part of the upper panel 4 and the lower frame 2 with the limiter bracket 802 is provided with U-shaped grooves so as to realize that the installation position of the limiter 8 is adjustable.
The reed group 5 comprises a main thin steel sheet 501, a 1# auxiliary thin steel sheet 502, a 2# auxiliary thin steel sheet 503, steel plates 504 and rivets 505, as shown in fig. 4, the middle parts of the main thin steel sheet 501 and a pair of 1# auxiliary thin steel sheets 502 are clamped by the 2 steel plates 504 through the rivets 505, the 2 steel plates 504 are used for improving the strength of the reed group 5, and the 1# auxiliary thin steel sheet 502 and the 2# auxiliary thin steel sheet 503 are used for improving the stress distribution of the main thin steel sheet 501 and improving the reliability of the reed group 5.
The upper panel 4 is provided with a nameplate 11.
Principle of operation
When the base on which the vibration absorber is arranged vibrates, the reed group 5 and the vertical reed group 10 in three directions of the vibration absorber generate reciprocating vibration with different degrees; the damping rods 9 in three directions absorb and dissipate vibration energy, and reduce vibration amplitude to achieve the purpose of vibration reduction; the limiter 8 and the limiting rubber column 7 arranged in the three directions inhibit the spring plate group 5 and the vertical spring plate group 10 from excessively elastic deformation, so that the three-way limiting effect is achieved, and meanwhile, the reliability of products is improved. The vibration damper provides a required vibration mechanical environment for the load on the vibration damper by organically combining the reed group 5, the vertical reed group 10 and the damping rod 9, and the deformation movement amounts of the vibration damper in three directions are limited by utilizing the limiter 8 and the limiting rubber column 7.
Claims (2)
1. The shock absorber system capable of limiting the amplitude in three directions comprises a lower panel (1), a lower frame (2), an upper frame (3), an upper panel (4), a reed group (5), vertical reed groups (10), springs (6), damping rods (9) and limiting rubber columns (7), and is characterized in that the reed groups (5) are provided with 2 pairs, the 2 pairs of reed groups (5) are respectively fixed between the upper panel (4) and the upper frame (3) and between the upper frame (3) and the lower frame (2) by screws, the vertical reed groups (10) are provided with 1 pair, the 1 pair of vertical reed groups (10) are fixed between the lower frame (2) and the lower panel (1) by screws, the springs (6) are provided with 8 springs (6) arranged between the lower panel (1) and the lower frame (2), so that the shock absorber can realize elastic deformation in the horizontal direction and the vertical direction, the damping rods (9) are provided with 8, the 4 damping rods (9) are respectively connected between the upper panel (4) and the lower panel (1) by screws, the 1 pair of vertical reed groups (10) are respectively connected between the upper panel (4) and the upper panel (3) by screws and the upper panel (7) by the upper panel (3), the 8 limit rubber columns (7) are arranged between the lower panel (1) and the lower frame (2), 4 limiters (8) are arranged on the upper panel (4), 4 limiters (8) are arranged on the lower frame (2), and the limiters (8) and the limit rubber columns (7) respectively limit the elastic deformation of each reed group (5) and each vertical reed group (10) so as to improve the reliability and the safety of products and limit the movement of the shock absorber in three directions; the limiter (8) comprises an L-shaped limiter bracket (802), one side of the limiter bracket (802) is provided with rubber (801), the limiter bracket (802) is connected with an upper panel (4) and a lower frame (2) through screws, and a U-shaped groove is formed in the screw connection part of the upper panel (4) and the lower frame (2) and the limiter bracket (802) so as to realize that the installation position of the limiter (8) is adjustable; the reed group (5) comprises a main thin steel sheet (501), a 1# auxiliary thin steel sheet (502), a 2# auxiliary thin steel sheet (503), steel plates (504) and rivets (505), wherein the 2 steel plates (504) are used for clamping the middle parts of the main thin steel sheet (501) and the pair of 1# auxiliary thin steel sheets (502) through the rivets (505), the 2 steel plates (504) are used for improving the strength of the reed group (5), and the 1# auxiliary thin steel sheets (502) and the 2# auxiliary thin steel sheets (503) are used for improving the stress distribution of the main thin steel sheet (501) and improving the reliability of the reed group (5).
2. A shock absorber system capable of limiting vibration amplitude in three directions according to claim 1, wherein 4 stoppers (8) mounted on the upper panel (4) are symmetrically disposed on outer opposite sides of the reed group (5) connecting the upper frame (3) and the lower frame (2), 4 stoppers (8) mounted on the lower frame (2) are symmetrically disposed on outer opposite sides of the reed group (5) connecting the upper panel (4) and the upper frame (3), and a distance between the stoppers (8) and the reed group (5) is smaller than a flexible deformation amount of the reed group (5) at an elastic limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710748159.5A CN107504116B (en) | 2017-08-28 | 2017-08-28 | Vibration damper system capable of limiting vibration amplitude in three directions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710748159.5A CN107504116B (en) | 2017-08-28 | 2017-08-28 | Vibration damper system capable of limiting vibration amplitude in three directions |
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| Publication Number | Publication Date |
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| CN107504116A CN107504116A (en) | 2017-12-22 |
| CN107504116B true CN107504116B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710748159.5A Active CN107504116B (en) | 2017-08-28 | 2017-08-28 | Vibration damper system capable of limiting vibration amplitude in three directions |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249371B (en) * | 2018-01-08 | 2019-10-25 | 河海大学常州校区 | A kind of aerial work platform three-dimensional automatic vibration reduction working bucket |
| CN110725887A (en) * | 2019-09-29 | 2020-01-24 | 华中光电技术研究所（中国船舶重工集团有限公司第七一七研究所） | Vehicle-mounted low-rigidity passive top vibration damper |
| CN110667484A (en) * | 2019-09-29 | 2020-01-10 | 华中光电技术研究所（中国船舶重工集团有限公司第七一七研究所） | Vehicle-mounted inertial navigation equipment and photoelectric measurement equipment integrated device |
| CN112377563B (en) * | 2020-11-12 | 2022-04-12 | 中国船舶重工集团公司第七0七研究所 | Vibration isolation device with high attitude precision |
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| JP2003191737A (en) * | 2001-12-26 | 2003-07-09 | Tokai Rubber Ind Ltd | Bound stopper |
| CN1560488A (en) * | 2004-02-18 | 2005-01-05 | 江苏大学 | Elastic multidimensional damping platform based mixed combined moving assisted parallel mechanism |
| CN2837607Y (en) * | 2005-03-23 | 2006-11-15 | 牟林 | Universal full-metal vibration isolator |
| CN102003486A (en) * | 2010-12-20 | 2011-04-06 | 中国科学院长春光学精密机械与物理研究所 | Damping auxiliary support structure for space camera skin |
| CN106687710A (en) * | 2014-09-12 | 2017-05-17 | 爱信艾达株式会社 | Damper device |
| CN106907424A (en) * | 2017-04-21 | 2017-06-30 | 江西中船航海仪器有限公司 | A kind of damping that complexity vibrations are changed into the vibration of three axial reciprocatings |
| CN207111815U (en) * | 2017-08-28 | 2018-03-16 | 江西中船航海仪器有限公司 | A kind of shock absorber that can limit three direction amplitudes |
-
2017
- 2017-08-28 CN CN201710748159.5A patent/CN107504116B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003191737A (en) * | 2001-12-26 | 2003-07-09 | Tokai Rubber Ind Ltd | Bound stopper |
| CN1560488A (en) * | 2004-02-18 | 2005-01-05 | 江苏大学 | Elastic multidimensional damping platform based mixed combined moving assisted parallel mechanism |
| CN2837607Y (en) * | 2005-03-23 | 2006-11-15 | 牟林 | Universal full-metal vibration isolator |
| CN102003486A (en) * | 2010-12-20 | 2011-04-06 | 中国科学院长春光学精密机械与物理研究所 | Damping auxiliary support structure for space camera skin |
| CN106687710A (en) * | 2014-09-12 | 2017-05-17 | 爱信艾达株式会社 | Damper device |
| CN106907424A (en) * | 2017-04-21 | 2017-06-30 | 江西中船航海仪器有限公司 | A kind of damping that complexity vibrations are changed into the vibration of three axial reciprocatings |
| CN207111815U (en) * | 2017-08-28 | 2018-03-16 | 江西中船航海仪器有限公司 | A kind of shock absorber that can limit three direction amplitudes |
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| CN107504116A (en) | 2017-12-22 |
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