CN111717397A - Damping fixing device capable of suspending large load - Google Patents
Damping fixing device capable of suspending large load Download PDFInfo
- Publication number
- CN111717397A CN111717397A CN202010572507.XA CN202010572507A CN111717397A CN 111717397 A CN111717397 A CN 111717397A CN 202010572507 A CN202010572507 A CN 202010572507A CN 111717397 A CN111717397 A CN 111717397A
- Authority
- CN
- China
- Prior art keywords
- shock
- vibration damping
- aerial vehicle
- unmanned aerial
- damping
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 70
- 230000035939 shock Effects 0.000 claims abstract description 105
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000741 silica gel Substances 0.000 claims abstract description 12
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims description 40
- 239000000463 material Substances 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D9/00—Equipment for handling freight; Equipment for facilitating passenger embarkation or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
- F16B39/26—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object with spring washers fastened to the nut or bolt-head
-
- 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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
-
- 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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Abstract
The utility model provides a can hang shock attenuation fixing device of heavy load, includes vibration damping mount, the vibration damping mount top is equipped with the damper cap, be equipped with the shock pad between vibration damping mount and the damper cap, the shock pad is fixed on vibration damping mount, the center of vibration damping mount, shock pad and damper cap link up and is equipped with the shock attenuation pole, the shock attenuation pole top is connected with the unmanned aerial vehicle connecting piece. The damping fixing device capable of suspending large loads disclosed by the invention uses silica gel to avoid most of damping, and as the damping rod and the damping base are in hard connection, the safety of mounting is ensured while the damping performance is ensured, the mounting is prevented from falling due to uncontrollable factors, in addition, the overall structure is smaller, and the unmanned aerial vehicle can be flexibly designed according to element hole sites.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicle equipment, in particular to a damping fixing device capable of suspending a large load.
Background
The unmanned aerial vehicle has large vibration in the flying process, the mounting working environment is relatively severe, the accuracy of data acquired by mounting is not high or unavailable, the traditional damping mode at present mostly adopts a rubber pad for damping, but the damping mode has two fatal defects, on one hand, the damping connecting mechanism is not in hard connection, and when the mounting with large suspension weight is hung, the mounting is easy to fall off due to vibration and the like, so that the irretrievable consequence is caused; on the other hand, because of the problem of material, can only be through the quantity control shock attenuation effect of control shock pad, if the shock attenuation is too hard, then can't filter the little amplitude vibrations of high frequency, if the shock attenuation is too soft, then can't filter the big amplitude vibrations of low frequency. Due to the two reasons, the mounting shock absorption problem becomes a problem difficult to overcome, the mounting is unsafe and data is unavailable due to the shock absorption problem, and the problem that the unmanned aerial vehicle needs to be solved urgently is solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a damping and fixing device which has a simple structure and a good effect and can be used for suspending a large load.
The invention is realized by the following technical scheme: the utility model provides a can hang shock attenuation fixing device of heavy load, includes vibration damping mount, the vibration damping mount top is equipped with the damper cap, be equipped with the shock pad between vibration damping mount and the damper cap, the shock pad is fixed on vibration damping mount, the center of vibration damping mount, shock pad and damper cap link up and is equipped with the shock attenuation pole, the shock attenuation pole top is connected with the unmanned aerial vehicle connecting piece.
It further comprises the following steps: the shock pad is pasted together with the shock absorption base.
The lower end of the shock absorption rod is connected with a countersunk screw, and the shock absorption base, the shock absorption pad, the shock absorption cover and the shock absorption rod are fixed together through the countersunk screw.
The two sides of the damping cover are provided with lug plates, and the lug plates are provided with threaded holes connected with the mounting fixing plate.
The shock absorption rod is provided with a circle of bosses, and a circle of grooves are formed in the positions, above the bosses, of the shock absorption rod.
The side of unmanned aerial vehicle connecting piece is equipped with a jackscrew that is used for fixed shock absorber pole, the jackscrew passes the recess.
Be equipped with two screw holes of being connected with unmanned aerial vehicle on the unmanned aerial vehicle connecting piece, two screw holes distribute in the shock attenuation pole both sides.
The material of vibration damping mount and damper is the aviation aluminum alloy, the material of shock pad is silica gel, the material of shock attenuation pole and unmanned aerial vehicle connecting piece is the steel.
The invention has the following advantages: the damping fixing device capable of suspending large loads disclosed by the invention uses silica gel to avoid most of damping, and as the damping rod and the damping base are in hard connection, the safety of mounting is ensured while the damping performance is ensured, the mounting is prevented from falling due to uncontrollable factors, in addition, the overall structure is smaller, and the unmanned aerial vehicle can be flexibly designed according to element hole sites.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a schematic structural view of the vibration damping mount of the present invention;
FIG. 5 is a front view of the vibration mount of the present invention;
FIG. 6 is a schematic view of the construction of the damper cap according to the present invention;
FIG. 7 is a schematic view of the construction of the cushion of the present invention;
FIG. 8 is a front view of the cushion of the present invention;
FIG. 9 is a rear view of the cushion of the present invention;
FIG. 10 is a schematic view of the shock rod of the present invention;
FIG. 11 is a schematic view of the structure of the unmanned aerial vehicle attachment of the present invention;
in the figure: 1. vibration damping mount, 2, damper cap, 3, shock attenuation pole, 4, unmanned aerial vehicle connecting piece, 5, shock pad, 6, countersunk screw, 21, otic placode, 31, boss, 32, recess, A, screw installation department, B, jackscrew installation department, C, screw installation department.
Detailed Description
As shown in fig. 1 to 11, can hang shock attenuation fixing device of heavy load, including vibration damping mount 1, vibration damping mount 1 top is equipped with damper 2, be equipped with shock pad 5 between vibration damping mount 1 and the damper 2, shock pad 5 is fixed on vibration damping mount 1, the center of vibration damping mount 1, shock pad 5 and damper 2 link up and is equipped with shock attenuation pole 3, the shock attenuation pole 3 top is connected with unmanned aerial vehicle connecting piece 4. The shock pad 5 is stuck with the shock absorption base 1. The damping fixing device capable of suspending large loads is provided with a damping cover, a damping base is arranged below the damping cover, a damping pad is arranged between the damping cover and the damping base, and the damping pad is adhered to the damping base through glue; the top of shock attenuation lid is equipped with the unmanned aerial vehicle connecting piece, vibration damping mount, the shock pad, the center of shock attenuation lid and unmanned aerial vehicle connecting piece link up, and set up the shock attenuation pole in the center, during the use, the shock attenuation lid links together with the carry fixed plate, unmanned aerial vehicle is connected to the unmanned aerial vehicle connecting piece, because the particularity of shock attenuation pad material, can avoid most's shock attenuation, shock attenuation pole and vibration damping mount have the rigid coupling, guaranteed the safety of carry when guaranteeing the damping performance, prevent that the carry from causing by uncontrollable factor and dropping, safety and reliability.
In the shock-absorbing fixing device capable of suspending a large load as shown in fig. 1 to 11, a countersunk head screw 6 is connected to the lower end of the shock-absorbing rod 3, and the shock-absorbing base 1, the shock-absorbing pad 5, the shock-absorbing cap 2 and the shock-absorbing rod 3 are fixed together by the countersunk head screw 6. The lower side of the shock absorption rod firstly penetrates into a central hole of the shock absorption cover and then penetrates into a central hole of the silica gel shock absorption pad, the silica gel shock absorption cover, the shock absorption pad, the shock absorption base and the shock absorption rod are fixed together by using M4 countersunk head screws through elastic plugging of silica gel.
As shown in figures 1 to 11, the damping fixing device capable of suspending a large load is characterized in that lug plates 21 are arranged on two sides of the damping cover, and threaded holes connected with the mounting fixing plate are arranged on the lug plates 21. Be equipped with two screw holes of being connected with unmanned aerial vehicle on the unmanned aerial vehicle connecting piece 4, two screw holes distribute in 3 both sides of shock attenuation pole. The two sides of the shock absorption cover are provided with the lug plates, the lug plates are provided with threaded holes, as shown in a position C in fig. 1, the shock absorption cover is fixed on the mounting fixing plate through the matching of two 12.9-grade M3 screws and the locknut, and the unmanned aerial vehicle connecting piece is connected with the unmanned aerial vehicle through two 10.9-grade M3 screws as shown in a position A in fig. 1.
In the damping fixing device capable of suspending a large load as shown in fig. 1 to 11, a ring of bosses 31 are provided on the damping rod 3, and a ring of grooves 32 are provided at a position of the damping rod 3 above the bosses 31. The side of unmanned aerial vehicle connecting piece 4 is equipped with a jackscrew that is used for fixed shock attenuation pole 3, the jackscrew passes recess 32. The shock absorption rod is provided with a circle of bosses, the shock absorption rod below the bosses penetrates through the shock absorption base, the shock absorption pad and the shock absorption cover, the shock absorption rod above the bosses is fixed through the unmanned aerial vehicle connecting piece, as shown in a position B in figure 1, the upper side of the shock absorption rod penetrates through the unmanned aerial vehicle connecting piece, and the shock absorption rod is fixed through a M6 jackscrew penetrating through a groove of the shock absorption rod.
As shown in fig. 1 to 11, the damping fixing device capable of suspending large loads is characterized in that the damping base 1 and the damping cover 2 are made of aviation aluminum alloy, the damping pad 5 is made of silica gel, and the damping rods 3 and the unmanned aerial vehicle connecting piece 4 are made of steel.
According to the damping fixing device, the damping cover is fixedly connected to the mounting end through the hard matching of the screw and the locknut, and the damping cover wraps the silica gel damping pad, so that the mounting end is prevented from falling off due to vibration on the premise of ensuring the damping effect. At unmanned aerial vehicle end, the unmanned aerial vehicle connecting piece passes through the jackscrew with the shock attenuation pole by silica gel shock pad parcel and is connected, and passes through the screw rigid connection with unmanned aerial vehicle, under the prerequisite of guaranteeing the shock attenuation effect, has guaranteed that unmanned aerial vehicle end can not drop because of vibrations. Because the performance of the silica gel shock pad is superior to that of the common rubber shock absorption effect due to the material, the silica gel shock absorption pad has a better filtering effect no matter the filtering is high-frequency and low-frequency shock or high-amplitude or low-amplitude shock.
Claims (8)
1. The utility model provides a can hang shock attenuation fixing device of heavy load which characterized in that: including vibration damping mount (1), vibration damping mount (1) top is equipped with damper cap (2), be equipped with shock pad (5) between vibration damping mount (1) and damper cap (2), shock pad (5) are fixed on vibration damping mount (1), the center of vibration damping mount (1), shock pad (5) and damper cap (2) link up and are equipped with shock attenuation pole (3), shock attenuation pole (3) top is connected with unmanned aerial vehicle connecting piece (4).
2. A shock absorbing anchor as claimed in claim 1, wherein: the shock absorption pad (5) is adhered to the shock absorption base (1).
3. A shock absorbing anchor as claimed in claim 1, wherein: the lower end of the shock absorption rod (3) is connected with a countersunk screw (6), and the shock absorption base (1), the shock absorption pad (5), the shock absorption cover (2) and the shock absorption rod (3) are fixed together through the countersunk screw (6).
4. A shock absorbing anchor as claimed in claim 1, wherein: the both sides of shock attenuation lid are equipped with otic placode (21), be equipped with the screw hole of being connected with the mount fixed plate on otic placode (21).
5. A shock absorbing anchor as claimed in claim 1, wherein: the shock absorption rod (3) is provided with a circle of boss (31), and a circle of groove (32) is arranged at the position, above the boss (31), of the shock absorption rod (3).
6. A shock absorbing mounting apparatus for suspending large loads according to claim 5, wherein: the side of unmanned aerial vehicle connecting piece (4) is equipped with a jackscrew that is used for fixed shock absorber pole (3), the jackscrew passes recess (32).
7. A shock absorbing anchor as claimed in claim 1, wherein: be equipped with two screw holes of being connected with unmanned aerial vehicle on unmanned aerial vehicle connecting piece (4), two screw holes distribute in shock attenuation pole (3) both sides.
8. A shock absorbing anchor as claimed in claim 1, wherein: the material of vibration damping mount (1) and damper (2) is aviation aluminum alloy, the material of shock pad (5) is silica gel, the material of shock attenuation pole (3) and unmanned aerial vehicle connecting piece (4) is the steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572507.XA CN111717397B (en) | 2020-06-22 | 2020-06-22 | Damping fixing device capable of suspending large load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572507.XA CN111717397B (en) | 2020-06-22 | 2020-06-22 | Damping fixing device capable of suspending large load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111717397A true CN111717397A (en) | 2020-09-29 |
| CN111717397B CN111717397B (en) | 2024-03-26 |
Family
ID=72569870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010572507.XA Active CN111717397B (en) | 2020-06-22 | 2020-06-22 | Damping fixing device capable of suspending large load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111717397B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189679A (en) * | 2021-04-20 | 2021-07-30 | 上海宏英智能科技股份有限公司 | Piezoelectric rainfall measuring meter |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203641366U (en) * | 2014-01-10 | 2014-06-11 | 江苏艾锐泰克无人飞行器科技有限公司 | Damping device of unmanned aerial vehicles |
| CN203796851U (en) * | 2014-05-14 | 2014-08-27 | 奇瑞重工股份有限公司 | Engine double-damping device and engine device with same |
| CN204300225U (en) * | 2014-11-11 | 2015-04-29 | 安徽合叉叉车有限公司 | A kind of mechanical forklift engine shock mitigation system |
| CN205076057U (en) * | 2015-10-29 | 2016-03-09 | 零度智控（北京）智能科技有限公司 | Unmanned vehicles damping device |
| CN106081118A (en) * | 2016-08-11 | 2016-11-09 | 深圳天鹰兄弟无人机创新有限公司 | A kind of independent-suspension damping device of unmanned plane and jet pipe thereof |
| CN107366711A (en) * | 2017-07-28 | 2017-11-21 | 歌尔科技有限公司 | A kind of unmanned plane shock-damping structure and a kind of unmanned plane |
| CN207935347U (en) * | 2018-02-26 | 2018-10-02 | 扬州飞虎航空科技有限公司 | A kind of unmanned plane high power pixel camera shock mitigation system |
| CN209008875U (en) * | 2018-07-26 | 2019-06-21 | 四川省川核测绘地理信息有限公司 | A kind of vibration absorber and the aerial survey unmanned plane photographic platform with vibration-damping function |
-
2020
- 2020-06-22 CN CN202010572507.XA patent/CN111717397B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203641366U (en) * | 2014-01-10 | 2014-06-11 | 江苏艾锐泰克无人飞行器科技有限公司 | Damping device of unmanned aerial vehicles |
| CN203796851U (en) * | 2014-05-14 | 2014-08-27 | 奇瑞重工股份有限公司 | Engine double-damping device and engine device with same |
| CN204300225U (en) * | 2014-11-11 | 2015-04-29 | 安徽合叉叉车有限公司 | A kind of mechanical forklift engine shock mitigation system |
| CN205076057U (en) * | 2015-10-29 | 2016-03-09 | 零度智控（北京）智能科技有限公司 | Unmanned vehicles damping device |
| CN106081118A (en) * | 2016-08-11 | 2016-11-09 | 深圳天鹰兄弟无人机创新有限公司 | A kind of independent-suspension damping device of unmanned plane and jet pipe thereof |
| CN107366711A (en) * | 2017-07-28 | 2017-11-21 | 歌尔科技有限公司 | A kind of unmanned plane shock-damping structure and a kind of unmanned plane |
| CN207935347U (en) * | 2018-02-26 | 2018-10-02 | 扬州飞虎航空科技有限公司 | A kind of unmanned plane high power pixel camera shock mitigation system |
| CN209008875U (en) * | 2018-07-26 | 2019-06-21 | 四川省川核测绘地理信息有限公司 | A kind of vibration absorber and the aerial survey unmanned plane photographic platform with vibration-damping function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189679A (en) * | 2021-04-20 | 2021-07-30 | 上海宏英智能科技股份有限公司 | Piezoelectric rainfall measuring meter |
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| Publication number | Publication date |
|---|---|
| CN111717397B (en) | 2024-03-26 |
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