CN111396488B - Passive air spring vibration reduction mechanism with spherical hinge on swinging plate - Google Patents
Passive air spring vibration reduction mechanism with spherical hinge on swinging plate Download PDFInfo
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- CN111396488B CN111396488B CN202010269070.2A CN202010269070A CN111396488B CN 111396488 B CN111396488 B CN 111396488B CN 202010269070 A CN202010269070 A CN 202010269070A CN 111396488 B CN111396488 B CN 111396488B
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- air chamber
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- swing
- main air
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0245—Means for adjusting the length of, or for locking, the spring or dampers
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0281—Details
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/369—Sealings for elements other than pistons or piston rods, e.g. valves
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
- F16F9/437—Drainage arrangements
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/516—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics resulting in the damping effects during contraction being different from the damping effects during extension, i.e. responsive to the direction of movement
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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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
- F16F2222/126—Fluid damping using gases
Abstract
The invention provides a passive air spring damping mechanism with a swing disc provided with a spherical hinge, which comprises a throttle valve main air chamber joint (1), an auxiliary air chamber shell (2), an auxiliary air chamber (3), a load limiting disc (4), a load disc (5), a rubber film fixing piece (6), a rubber film (7), a main air chamber shell (8), a main air chamber (9), a central cavity body chassis (10), a central cavity body (11), a swing rod ball head (12), a swing rod (13), a swing disc upright post (14), a spherical hinge cylinder (15), a spherical hinge (16), a ball fixing ring (17), balls (18), an upper swing disc (19), a threaded hole (20), a lower swing disc (21), a throttle valve (22), a height valve connecting plate (23) and a height valve (24); the vibration damper needs to be used in a plurality of combinations, when the vibration damper is vibrated in the horizontal direction, the central swing rod moves horizontally to drive the ball hinge to move, the ball hinge rotates with the swing disc, the balls can reduce the rotating friction force, the swing rod ball head also rotates with the lower swing disc, and the structure can effectively reduce the horizontal rigidity of the whole mechanism and enhance the vibration isolation performance in the horizontal direction. The invention has strong universality; simple structure, good manufacturability and wide application prospect.
Description
Technical Field
The invention provides a passive air spring damping mechanism with a spherical hinge on a swing disc, particularly relates to a mechanism for inhibiting vibration transmission phenomenon when a precision instrument is interfered by external low-frequency vibration, and belongs to the technical field of vibration transmission.
Background
The conventional three-wire pendulum device is limited by the structure, the horizontal rigidity usually has a lower limit value, the horizontal vibration isolation performance of the conventional three-wire pendulum device is correspondingly limited, and the proposed structure can effectively reduce the horizontal rigidity of the conventional structure and further improve the horizontal vibration isolation performance of the passive air spring vibration damping mechanism.
Disclosure of Invention
Aiming at the defects, the invention provides a passive air spring damping mechanism with a spherical hinge on a swinging disc.
The invention is realized by the following technical scheme:
the invention relates to a passive air spring damping mechanism with a swing disc provided with a ball hinge, which comprises a throttle valve main air chamber joint (1), an auxiliary air chamber shell (2), an auxiliary air chamber (3), a load limiting disc (4), a load disc (5), a rubber film fixing sheet (6), a rubber film (7), a main air chamber shell (8), a main air chamber (9), a central cavity body chassis (10), a central cavity body (11), a swing rod ball head (12), a swing rod (13), a swing disc upright post (14), a ball hinge cylinder (15), a ball hinge (16), a ball fixing ring (17), balls (18), an upper swing disc (19), a threaded hole (20), a lower swing disc (21), a throttle valve (22), a height valve connecting plate (23) and a height valve (24); the relationship between the components is as follows: the throttle valve main air chamber joint (1) is connected with the bottom surface of a main air chamber shell (8), the part between the auxiliary air chamber shell (2) and the main air chamber shell (8) is an auxiliary air chamber (3), a load limiting disc (4) is arranged on the auxiliary air chamber shell (2), the center of the bottom surface of a load disc (5) is coaxially connected with a swing disc upright post (14), a rubber film fixing sheet (6) tightly presses a rubber film (7) on the main air chamber shell (8) and a central cavity (11), the part between the main air chamber shell (8) and the central cavity (11) is a main air chamber (9), the central cavity chassis (10) is connected with the central cavity (11) through a bolt, a swing rod ball head (12) is sleeved at one end of a swing rod (13), the other end of the swing rod (13) is placed into a spherical hinge cylinder (15), a spherical hinge (16) is connected with the swing disc upright post (14) through a thread, and two ball fixing rings (17) are fixed on the spherical hinge (, 50 balls (18) are uniformly placed in the ball fixing ring (17), an upper swing disc (19) is connected with a lower swing disc (21) through a threaded hole (20), two ends of a throttle valve (22) are respectively connected with an auxiliary air chamber shell (2) and a main air chamber shell (8), a height valve connecting plate (23) is fixed on a load disc (5), and a height valve (24) is fixed on the auxiliary air chamber shell (2);
the central cavity (11) can float under the action of gas pressure in the main air chamber (9), meanwhile, the central cavity (11) drives a swing rod (13) connected with the central cavity, and the swing rod (13) drives a swing disc upright post (14) connected with the swing rod so as to float the load disc (5);
the rubber film (7) is annular and can play a role in sealing between the main air chamber shell (8) and the central cavity (11);
the load disc (5) can fall on the load limiting disc (4) when not inflated;
the shape structure of the swing rod (13) is as follows: one end of the ball is connected with a swing rod ball head (12) through threads, and the other end of the ball is spherical and is sleeved in a spherical hinge cylinder (15);
the shape and structure of the swing rod ball head (12) are as follows: the middle of the hinge joint is provided with internal threads, and the appearance surface of the hinge joint is a spherical surface;
the upper wobble plate (19) and the lower wobble plate (21) are provided with 3 uniform elongated holes for the fixed inclined swing rod (13) to pass through;
the throttle valve (22) is used for communicating the auxiliary air chamber (3) with the main air chamber (9) and can adjust the size of the connecting hole;
the slider of the altitude valve (24) is in contact with the altitude valve connecting plate (23) and controls air inflation and deflation according to the altitude change of the load disk (5).
The invention has the advantages that: the vibration damper needs to be used in a plurality of combinations, when the vibration damper is vibrated in the horizontal direction, the central swing rod moves horizontally to drive the ball hinge to move, the ball hinge rotates with the swing disc, the balls can reduce the rotating friction force, the swing rod ball head also rotates with the lower swing disc, and the structure can effectively reduce the horizontal rigidity of the whole mechanism and enhance the vibration isolation performance in the horizontal direction.
The invention has strong universality; simple structure, good manufacturability and wide application prospect.
Drawings
FIG. 1 is a cross-sectional view of a passive air spring damping mechanism of the present invention;
FIG. 2 is a partial cross-sectional view of the passive air spring damping mechanism of the present invention;
FIG. 3 is a front view of the passive air spring damping mechanism of the present invention;
reference numerals: 1-throttle valve main air chamber joint, 2-auxiliary air chamber shell, 3-auxiliary air chamber, 4-load limiting disc, 5-load disc, 6-rubber film fixing sheet, 7-rubber film, 8-main air chamber shell, 9-main air chamber, 10-central cavity chassis, 11-central cavity, 12-swing rod ball head, 13-swing rod, 14-swing disc upright post, 15-ball hinge cylinder, 16-ball hinge, 17-ball fixing ring, 18-ball, 19-upper swing disc, 20-threaded hole, 21-lower swing disc, 22-throttle valve, 23-height valve connecting plate and 24-height valve.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. The described embodiment is only one embodiment of the present invention, wherein the number of the rocker bulbs 12 is 3, the number of the rockers 13 is 3, the number of the ball hinge tubes 15 is 3, the number of the ball retainer rings 17 is 2, and the number of the balls 18 is 50, and all other embodiments obtained by one skilled in the art without creative efforts are within the protection scope of the present invention based on the embodiments of the present invention or the embodiments of only changing the number of the balls or the number of the ball retainer rings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing embodiments of the present invention.
The utility model provides a driven air spring damping mechanism of balance staff area ball pivot, by throttle valve main air chamber joint 1, auxiliary air chamber casing 2, auxiliary air chamber 3, the spacing dish 4 of load, load dish 5, rubber membrane stationary blade 6, rubber membrane 7, main air chamber casing 8, main air chamber 9, central cavity chassis 10, central cavity 11, pendulum rod bulb 12, pendulum rod 13, balance staff stand 14, a ball pivot section of thick bamboo 15, ball pivot 16, ball retainer plate 17, ball 18, go up balance staff 19, screw hole 20, lower balance staff 21, choke valve 22, height valve connecting plate 23, height valve 24 constitutes, its characterized in that: the throttle valve main air chamber joint 1 is connected with the bottom surface of a main air chamber shell 8, the part between an auxiliary air chamber shell 2 and the main air chamber shell 8 is an auxiliary air chamber 3, a load limiting disc 4 is arranged on the auxiliary air chamber shell 2, the center of the bottom surface of a load disc 5 is coaxially connected with a swing disc upright post 14, a rubber film fixing sheet 6 presses a rubber film 7 on the main air chamber shell 8 and a central cavity 11, the part between the main air chamber shell 8 and the central cavity 11 is a main air chamber 9, a central cavity chassis 10 is connected with the central cavity 11 through a bolt, a swing rod ball 12 is sleeved at one end of a swing rod 13, the other end of the swing rod 13 is placed in a ball hinge cylinder 15, a ball hinge 16 is connected with the swing disc upright post 14 through a thread, two ball fixing rings 17 are fixed on the ball hinge 16 through a bolt, 50 balls 18 are evenly placed in the ball fixing rings 17, an upper swing disc 19 is connected with a lower swing disc 21 through a thread hole 20, and two ends of, the altitude valve connecting plate 23 is fixed to the load plate 5, and the altitude valve 24 is fixed to the sub air chamber housing 2.
The central cavity 11 floats under the action of the gas pressure in the main air chamber 9, meanwhile, the central cavity 11 drives a swing rod 13 connected with the central cavity, and the swing rod 13 drives a swing disc upright post 14 connected with the swing rod, so that the load disc 5 floats.
The rubber membrane 7 is annular and can play a role in sealing between the main air chamber shell 8 and the central cavity 11.
The load plate 5 will fall onto the load limiting plate 4 when not inflated.
The shape and structure of the swing rod 13 are as follows: one end of the ball is connected with a swing rod ball head 12 through threads, and the other end of the ball is spherical and is sleeved in a spherical hinge barrel 15.
The shape and structure of the swing rod ball head 12 are as follows: the middle of the hinge joint is provided with internal threads, and the appearance surface of the hinge joint is a spherical surface.
The upper wobble plate 19 and the lower wobble plate 21 are provided with 3 uniform elongated holes for the fixed inclined swing link 13 to pass through.
The throttle valve 22 is used for communicating the sub-air chamber 3 and the main air chamber 9, and the size of the connecting hole can be adjusted.
The slider of the altitude valve 24 is in contact with the altitude valve connecting plate 23, and controls the inflation and deflation according to the altitude change of the load disk 5.
It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.
Claims (1)
1. The utility model provides a driven air spring damping mechanism of balance area ball pivot which characterized in that: the height-adjustable air valve comprises a throttle valve main air chamber joint (1), an auxiliary air chamber shell (2), an auxiliary air chamber (3), a load limiting disc (4), a load disc (5), a rubber film fixing sheet (6), a rubber film (7), a main air chamber shell (8), a main air chamber (9), a central cavity body chassis (10), a central cavity body (11), a swing rod ball head (12), a swing rod (13), a swing disc upright post (14), a ball hinge cylinder (15), a ball hinge (16), a ball fixing ring (17), a ball (18), an upper swing disc (19), a threaded hole (20), a lower swing disc (21), a throttle valve (22), a height valve connecting plate (23) and a height valve (24); the relationship between the components is as follows: the throttle valve main air chamber joint (1) is connected with the bottom surface of a main air chamber shell (8), the part between the auxiliary air chamber shell (2) and the main air chamber shell (8) is an auxiliary air chamber (3), a load limiting disc (4) is arranged on the auxiliary air chamber shell (2), the center of the bottom surface of a load disc (5) is coaxially connected with a swing disc upright post (14), a rubber film fixing sheet (6) tightly presses a rubber film (7) on the main air chamber shell (8) and a central cavity (11), the part between the main air chamber shell (8) and the central cavity (11) is a main air chamber (9), the central cavity chassis (10) is connected with the central cavity (11) through a bolt, a swing rod ball head (12) is sleeved at one end of a swing rod (13), the other end of the swing rod (13) is placed into a spherical hinge cylinder (15), a spherical hinge (16) is connected with the swing disc upright post (14) through a thread, and two ball fixing rings (17) are fixed on the spherical hinge (, 50 balls (18) are uniformly placed in the ball fixing rings (17), one ball fixing ring is positioned in an upper swing disc (19), the other ball fixing ring (17) is positioned in a lower swing disc (21), the upper swing disc (19) is connected with the lower swing disc (21) through a threaded hole (20), two ends of a throttle valve (22) are respectively connected with an auxiliary air chamber shell (2) and a main air chamber shell (8), a height valve connecting plate (23) is fixed on a load disc (5), and a height valve (24) is fixed on the auxiliary air chamber shell (2);
the central cavity (11) can float under the action of gas pressure in the main air chamber (9), meanwhile, the central cavity (11) drives a swing rod (13) connected with the central cavity, and the swing rod (13) drives a swing disc upright post (14) connected with the swing rod so as to float the load disc (5);
the rubber film (7) is annular and can play a role in sealing between the main air chamber shell (8) and the central cavity (11); the load disc (5) can fall on the load limiting disc (4) when not inflated;
the shape structure of the swing rod (13) is as follows: one end of the ball is connected with a swing rod ball head (12) through threads, and the other end of the ball is spherical and is sleeved in a spherical hinge cylinder (15);
the shape and structure of the swing rod ball head (12) are as follows: the middle of the hinge joint is provided with internal threads, and the appearance surface of the hinge joint is a spherical surface; the upper wobble plate (19) and the lower wobble plate (21) are provided with 3 uniform elongated holes for the fixed inclined swing rod (13) to pass through;
the throttle valve (22) is used for communicating the auxiliary air chamber (3) with the main air chamber (9) and can adjust the size of the connecting hole;
the slider of the altitude valve (24) is in contact with the altitude valve connecting plate (23) and controls air inflation and deflation according to the altitude change of the load disk (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010269070.2A CN111396488B (en) | 2020-04-08 | 2020-04-08 | Passive air spring vibration reduction mechanism with spherical hinge on swinging plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010269070.2A CN111396488B (en) | 2020-04-08 | 2020-04-08 | Passive air spring vibration reduction mechanism with spherical hinge on swinging plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111396488A CN111396488A (en) | 2020-07-10 |
| CN111396488B true CN111396488B (en) | 2021-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010269070.2A Active CN111396488B (en) | 2020-04-08 | 2020-04-08 | Passive air spring vibration reduction mechanism with spherical hinge on swinging plate |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006058087A1 (en) * | 2006-12-09 | 2008-06-12 | Continental Aktiengesellschaft | Pneumatic automotive suspension unit has piston rod and piston, piston rod and suspension, each linked via a pivot point |
| CN100484786C (en) * | 2004-07-02 | 2009-05-06 | Zf腓特烈港股份公司 | Pneumatic spring-vibration damper unit |
| CN207093567U (en) * | 2017-08-08 | 2018-03-13 | 襄阳振本传动设备有限公司 | Accurate ball socket bearing constituent element with double-layer seal |
| CN208073975U (en) * | 2018-04-10 | 2018-11-09 | 西安轻工业钟表研究所有限公司 | Roll flexural pivot joint |
| CN110762155A (en) * | 2019-11-14 | 2020-02-07 | 北京航空航天大学 | Passive air spring vibration reduction mechanism with universal damper and variable rubber membrane |
-
2020
- 2020-04-08 CN CN202010269070.2A patent/CN111396488B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100484786C (en) * | 2004-07-02 | 2009-05-06 | Zf腓特烈港股份公司 | Pneumatic spring-vibration damper unit |
| DE102006058087A1 (en) * | 2006-12-09 | 2008-06-12 | Continental Aktiengesellschaft | Pneumatic automotive suspension unit has piston rod and piston, piston rod and suspension, each linked via a pivot point |
| CN207093567U (en) * | 2017-08-08 | 2018-03-13 | 襄阳振本传动设备有限公司 | Accurate ball socket bearing constituent element with double-layer seal |
| CN208073975U (en) * | 2018-04-10 | 2018-11-09 | 西安轻工业钟表研究所有限公司 | Roll flexural pivot joint |
| CN110762155A (en) * | 2019-11-14 | 2020-02-07 | 北京航空航天大学 | Passive air spring vibration reduction mechanism with universal damper and variable rubber membrane |
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| Publication number | Publication date |
|---|---|
| CN111396488A (en) | 2020-07-10 |
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