CN103807352B - A kind of heavy optical equipment beam - Google Patents
A kind of heavy optical equipment beam Download PDFInfo
- Publication number
- CN103807352B CN103807352B CN201410063834.7A CN201410063834A CN103807352B CN 103807352 B CN103807352 B CN 103807352B CN 201410063834 A CN201410063834 A CN 201410063834A CN 103807352 B CN103807352 B CN 103807352B
- Authority
- CN
- China
- Prior art keywords
- optical equipment
- video disc
- connecting head
- erosion control
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of heavy optical equipment beam, based on shell, spiral cover is installed in shell upper end, spiral cover top center is provided with a hole, connecting head penetrates in this hole, be provided with a step hole on connecting head top, in this step hole, steel ball be installed, fix by screwing in pressure ball lid and regulate steel ball; Connecting head side is provided with the flange for spiral cover location; Connecting head bottom is provided with Step Shaft, and one group of video disc A is enclosed within Step Shaft outer rim; Shell bottom mounting base, coaxially on base plate installs erosion control gland, and erosion control gland end face contacts with next secondary video disc A; One group of video disc B is enclosed within erosion control gland outer rim.This beam has feature that is non-linear, unidirectional movement, and it can guarantee that optical equipment is when being subject to larger centrifugal force, inertial force, tilting moment, and beam can provide comparatively large rigidity instantaneously, to balance external force, makes optical equipment be in balancing work state.
Description
Technical field
The present invention relates to a kind of optical equipment anti-collision equipment; particularly a kind of anti-collision equipment of heavy optical equipment low frequency vibration isolation system; this anti-collision equipment is the side beam of a kind of steel ball type, non-linear, unidirectional movement; when vehicle-mounted, ship-borne electro-optical system are subject to horizontal impact, safe vibration isolation and buffer protection function can be played.
Background technique
Along with the development of modern military science and technology, improve further the requirement of weaponry, optical equipment is not only more and more accurate, and its environment faced is further harsh, for this proposes higher technical requirements and environmental suitability requirement to modern optical equipment.Because the adaptive capacity of optical equipment to vibratory impulse environment is poor, in order to enable optical equipment normally work, heavy optical equipment not only bottom needs to arrange vibration isolator, also should install beam in side.Following technical requirements is proposed for this reason:
1, the vibration isolation part in vibration isolation fender system should have low natural frequency (f
n≤ 3Hz) feature, beam must match.
2, under the mechanical environment conditions such as larger centrifugal acceleration, comparatively Great inertia power, larger tilting moment, can guarantee that optical equipment can normally work;
3, beam in level to the ability with anti-vibration and shock, and do not affect optical equipment vertical vibration buffering, along with level is to the unexpected increase of moment, the rigidity of beam also increases thereupon;
4, when vehicle-mounted, carrier-borne emergency braking, when optical equipment is subject to larger impact acceleration, the normal work of optical equipment be guaranteed.
But at present still not about the report of special heavy optical equipment side anti-collision equipment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of heavy optical equipment beam, this beam has feature that is non-linear, unidirectional movement, it can guarantee that optical equipment is when being subject to larger centrifugal force, inertial force, tilting moment, beam can provide comparatively large rigidity instantaneously, to balance external force, optical equipment is made to be in balancing work state.
The heavy optical equipment beam of one of the present invention, based on shell, spiral cover is installed in shell upper end, spiral cover top center is provided with a hole, connecting head penetrates in this hole, be provided with a step hole on connecting head top, in this step hole, steel ball be installed, fix by screwing in pressure ball lid and regulate steel ball; Connecting head side is provided with the flange for spiral cover location; Connecting head bottom is provided with Step Shaft, and one group of video disc A is enclosed within Step Shaft outer rim; Shell bottom mounting base, coaxially on base plate installs erosion control gland, and erosion control gland end face contacts with next secondary video disc A; One group of video disc B is enclosed within erosion control gland outer rim.
In order to improve resistance to tipping moment effect further, between described base plate and erosion control gland, mesh pad is housed, mesh pad is tubulose.
One group of described video disc A, adopts the reverse mounting type in opposite between any two.One group of video disc B, adopts coplanar forward mounting type.
Beneficial effect of the present invention:
1) beam is arranged on optical equipment side, and when optical equipment catenary motion, the steel ball of beam and the side Structure deformation of optical equipment platform, do not affect the work of optical equipment bottom vibration isolator, ensure that entire system vibration isolating effect; When optical equipment horizontal motion, the steel ball of beam is just being pressed on the side of platform, and beam serves vibration isolation and crashproof buffer function.In Practical Project, moving shows in comprehensive mode, and utilize steel ball and optical equipment contact with platform, the radial force that beam is subject to is minimum, is conducive to the stability keeping whole system.
2) video disc A adopts the reverse mounting type in opposite, increases the mutual gap of video disc A, for providing displacement space under optical equipment normal operation.Level adopts coplanar forward mounting type to video disc B during impact, and eliminate the mutual gap of video disc B, when guaranteeing that optical equipment is subject to larger tilting moment, beam can provide comparatively large rigidity instantaneously, to balance tilting moment, makes optical equipment be in balancing work state.
3) by changing video disc A and video disc B thickness, quantity, the series product of different-stiffness characteristic and different bearer amount can be obtained.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is working state figure of the present invention.
Embodiment
As shown in Figure 1, heavy optical equipment beam of the present invention, main body is based on shell 7, and spiral cover 4 is installed by screw thread in shell upper end, and spiral cover top center is provided with a hole, and connecting head 5 penetrates in this hole, is located by connecting head 5 side flanges and spiral cover 4.Be provided with a step hole on connecting head top, install oil holder 3 and steel ball 1 in this step hole, fixing and regulate steel ball 1. connecting head bottom to be provided with Step Shaft by screwing in pressure ball lid 2, one group of video disc A 6 is enclosed within Step Shaft outer rim with the reverse mounting type in opposite between any two; Shell 7 bottom mounting base 11, is equipped with the mesh pad 10 of tubulose between base plate 11 and erosion control gland 8.Coaxially on base plate install erosion control gland 8, erosion control gland 8 end face contacts with next secondary video disc A6; One group of video disc B 9 adopts coplanar forward mounting type to be enclosed within erosion control gland 8 outer rim.Fig. 2 is working state figure of the present invention, when working as seen, beam with axis horizontal mode paired mounting in the side of equipment platform 12, and the contacts side surfaces of steel ball 1 and equipment platform 12.
Technological approaches of the present invention:
1) because whole vibrating isolation system realizes low natural frequency f
n≤ 3Hz, so bottom vibration isolator stiffness K is less.
2) beam adopts video disc spring A group K
1with video disc spring B group K
2series connection.
3) because bottom vibration isolator vertical stiffness is less, require that the damping force of beam and equipment side is also less, therefore adopt rolling friction to replace sliding friction to reduce friction, the motion in 6 degrees of freedom directions of optical equipment mountion plate is not interfered simultaneously.
Photoelectric platform equipment anti-vibration and shock working procedure:
Photoelectric platform is made up of bottom vibration isolator, side buffer, side beam, and in order to reach the effect of good anti-vibration and shock, bottom vibration isolator needs lower natural frequency f
n≤ 3Hz, less damping force, to reach good vibration isolating effect.Therefore, when catenary motion, require to reduce the resistance between beam and photoelectric platform, then have employed sliding friction between steel ball and photoelectric platform, and beam radial without moving displacement amount, axis has larger displacement amount.Adopt the Placement of steel ball, make photoelectric platform equipment at six-freedom motion all not by interference effect.
Photoelectric platform is in transportation process, when being subject to larger centrifugal force, inertial force, tilting moment, because the natural frequency of bottom vibration isolator is lower, shock proof ability is poor, steadily normally work to enable photoelectric platform equipment, require that anti-device can provide larger rigidity, with equilibrium centrifugation power, inertial force, tilting moment in moment.For this reason, beam video disc A adopts the reverse mounting type in opposite, increases the mutual gap of video disc A, for photoelectric platform vibration equipment provides displacement space.Video disc B adopts coplanar forward mounting type, eliminate the mutual gap of video disc B, when guaranteeing that optical equipment is subject to larger centrifugal force, inertial force, tilting moment, beam can provide comparatively large rigidity instantaneously, to balance external force, optical equipment is made to be in balancing work state.
Embody rule approach of the present invention is a lot, and the above is only the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Claims (5)
1. a heavy optical equipment beam, it is characterized in that, based on shell (7), spiral cover (4) is installed in shell upper end, spiral cover top center is provided with a hole, and connecting head (5) penetrates in this hole, is provided with a step hole on connecting head top, steel ball (1) is installed in this step hole, fixes by screwing in pressure ball lid (2) and regulate steel ball (1); Connecting head (5) side is provided with the flange of locating for spiral cover (4); Connecting head bottom is provided with Step Shaft, one group of video disc A(6) be enclosed within Step Shaft outer rim; Shell (7) bottom mounting base (11), coaxially on base plate installs erosion control gland (8), erosion control gland (8) end face and next secondary video disc A(6) contact; One group of video disc B(9) be enclosed within erosion control gland (8) outer rim.
2. heavy optical equipment beam according to claim 1, is characterized in that, mesh pad (10) is housed between described base plate (11) and erosion control gland (8).
3. heavy optical equipment beam according to claim 2, is characterized in that, described mesh pad is tubulose.
4. the heavy optical equipment beam according to claim 1,2 or 3, is characterized in that, one group of described video disc A(6), adopt the reverse mounting type in opposite between any two.
5. the heavy optical equipment beam according to claim 1,2 or 3, is characterized in that, one group of described video disc B(9), adopt coplanar forward mounting type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063834.7A CN103807352B (en) | 2014-02-25 | 2014-02-25 | A kind of heavy optical equipment beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063834.7A CN103807352B (en) | 2014-02-25 | 2014-02-25 | A kind of heavy optical equipment beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103807352A CN103807352A (en) | 2014-05-21 |
| CN103807352B true CN103807352B (en) | 2015-08-26 |
Family
ID=50704574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410063834.7A Active CN103807352B (en) | 2014-02-25 | 2014-02-25 | A kind of heavy optical equipment beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103807352B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840722B (en) * | 2016-03-19 | 2018-04-13 | 沈阳工业大学 | Precision equipment shock isolator and its emulation mode |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3278806B2 (en) * | 1999-05-07 | 2002-04-30 | 小泉 恵三郎 | Seismic isolation device |
| CN201170283Y (en) * | 2008-03-24 | 2008-12-24 | 广州大学 | Shock insulation apparatus |
| WO2011109021A1 (en) * | 2010-03-04 | 2011-09-09 | Worksafe Technologies | Composite isolation bearing |
| CN103537830A (en) * | 2013-10-12 | 2014-01-29 | 南京熊猫电子股份有限公司 | Anti-collision device of welding robot |
| CN103557266A (en) * | 2013-10-25 | 2014-02-05 | 同济大学 | Multilayer spherical container damper |
| CN203730651U (en) * | 2014-02-25 | 2014-07-23 | 南京捷诺环境技术有限公司 | Bumper for heavy photoelectric device |
-
2014
- 2014-02-25 CN CN201410063834.7A patent/CN103807352B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103807352A (en) | 2014-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101865235B (en) | Vibration isolation buffer for resisting strong impact | |
| CN106968499B (en) | A kind of horizontal direction negative stiffness device of subsidiary vertical shock-absorbing function | |
| CN103195168A (en) | Composite three-dimensional shock isolation support of sandwich rubber-high damping disc spring | |
| CN108797310B (en) | Bridge high-speed-rate anti-impact wide-frequency-domain vibration isolator | |
| CN103939520B (en) | A kind of passive vibration isolation device being applicable to low-frequency vibration | |
| CN104763056A (en) | Annular frictional rotating shockproof supporting base | |
| CN113958014A (en) | Self-adaptive variable-rigidity three-dimensional shock isolation/vibration device | |
| CN103807352B (en) | A kind of heavy optical equipment beam | |
| CN204512269U (en) | Resonance free peak resisting strong impact type vibration isolator | |
| CN203730651U (en) | Bumper for heavy photoelectric device | |
| CN105864349A (en) | Hydraulic automatic pre-tightening shock isolator | |
| CN103287684A (en) | Shock-resistant packing box | |
| CN109971629B (en) | Gene sequencer | |
| CN102654168A (en) | Integrated vibration attenuation platform for airborne vibration sensitive equipment of rock heading machine | |
| CN203730625U (en) | Damping adjustable spherical hinge type vibration isolator | |
| CN202570441U (en) | Vibration-isolating system for vibrating centrifuges | |
| CN112879483A (en) | Compact three-dimensional vibration isolation and impact resistance device for unmanned aerial vehicle | |
| CN104179867B (en) | For the buffer limiter of electromagnetism vibration isolator | |
| CN104864015B (en) | Vibration absorber and electronic device and mobile device comprising the vibration absorber | |
| CN202690869U (en) | Vibration isolator capable of being installed in multiple directions | |
| CN209959793U (en) | Buffering limiter for heavy-duty equipment platform | |
| CN208630846U (en) | A kind of unmanned plane undercarriage | |
| CN108533656B (en) | Rubber vibration damper | |
| CN206268373U (en) | A kind of resonance free peak vibration isolator and its damping module | |
| CN202203331U (en) | Tiny precise resonance-free vibration isolation device based on dry friction damp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |