CN202971706U - Novel passive automatic stabilizer - Google Patents
Novel passive automatic stabilizer Download PDFInfo
- Publication number
- CN202971706U CN202971706U CN 201220651954 CN201220651954U CN202971706U CN 202971706 U CN202971706 U CN 202971706U CN 201220651954 CN201220651954 CN 201220651954 CN 201220651954 U CN201220651954 U CN 201220651954U CN 202971706 U CN202971706 U CN 202971706U
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- cinclides
- cylinder
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Abstract
The utility model relates to a novel passive automatic stabilizer, which is characterized in that the two ends of an outer cylinder are provided with cylinder end covers, and the outer cylinder is fixedly arranged on a connecting rack through first tightening screws; an oil injection screw is arranged on the outer cylinder and is sealed by a combined sealing piece, and a V-shaped cylinder blade is arranged inside the outer cylinder and is fixedly arranged on the cylinder end covers through two connecting keys; a spindle penetrates through the cylinder end covers at the two ends and is supported by two bearings, and a shaft end cover is arranged on the spindle; a shaft blade is fixedly arranged on the spindle through second tightening screws, and a shaft thin-wall hole is arranged in the shaft blade; a baffle is arranged on the cylinder end cover at one end, and a shaft seal and a sealing ring are respectively arranged on the cylinder end covers at the two ends; and the inside of the outer cylinder is divided into a chamber (a), a chamber (b) and a chamber (c) by the V-shaped cylinder blade, the shaft blade and the outer cylinder, and air and silicon oil are injected into the outer cylinder. The novel passive automatic stabilizer provided by the utility model is suitable for being matched with a camera. The stabilizer can provide a stable pitch angle when the inclined angle of vehicle equipment changes, so that the camera can stably track the target.
Description
Technical field
The utility model belongs to the stabilizer field, relate to a kind of novel passive autostabilizer, be particularly useful for being used in conjunction with vidicon camera, can realize providing stable visual angle in a direction for vidicon camera, when the inclination angle of vehicle equipment changes, the utility model can provide a stable luffing angle, makes shooting function tenacious tracking target.
Background technique
At present, the passive stabilization device that prior art is commonly used, for guaranteeing damping preferably, can be in chamber (being upper chamber and lower chambers) fill with liquid, liquid commonly used is silicone oil, because the volume of silicone oil varies with temperature, if fill with silicone oil in airtight chamber under normal temperature condition, volume due to silicone oil when high temperature increases, and can produce very large pressure in chamber, makes silicone oil more easily spill chamber; And diminish due to liquid volume at low temperatures, negative pressure appears in chamber, and easily the gas with the outside is drawn in chamber.When having more gas in chamber, can make the damping variation, the air in chamber can cause the inhomogeneous of damping, and this inhomogeneous impact that is subject to again ambient temperature, thereby the stability that makes device is subjected to the impact of Environmental Conditions temperature, makes device become unstable.Another improved passive stabilization device, two buffer chamber that can deposit gas have been increased, although this improved passive stabilization device has solved the problem that there is gas in the work chamber that causes because of variation of ambient temperature, but whole apparatus structure more complicated, processing are also more difficult and external shape is also irregular, give to install and use makes troubles and inconvenience.
Summary of the invention
Problem to be solved in the utility model is, overcome the deficiencies in the prior art, a kind of novel passive autostabilizer are provided, in cavity with all component integrations to columniform urceolus, three chambers will be divided in cavity, and automatically complete the collection of gas, and these gases can not produce obviously impact to damping of the present utility model.
The utility model solves its technical problem and takes following technological scheme to realize:
A kind of novel passive autostabilizer that provide according to the utility model, comprise urceolus, cylinder end cap, V-arrangement cylinder blade, main shaft, hubcap, axle blade and link press span, an end cap is equipped with respectively at the two ends of described urceolus, and is fixed on link press span by fastening screw trip bolt one; Urceolus is provided with the oiling screw, and seals by combination seal; V-arrangement cylinder blade is equipped with in the inside of urceolus, and V-arrangement cylinder blade is fixed on an end cap by two connecting keys; Main shaft passes the cylinder end cap that is contained in two ends, and main shaft is equipped with hubcap by two bearings on main shaft; The axle blade is fixed on main shaft by fastening screw trip bolt two, and the axle blade is provided with the axle thin-wall hole; On baffle plate dress cylinder end cap at one end
,On the cylinder end cap at two ends, shaft sealing and seal ring are housed respectively; By V-arrangement cylinder blade, axle blade and urceolus, the inside of urceolus is divided into chamber a, chamber b, chamber c, urceolus inside is marked with air and silicone oil.
It is to take following technological scheme further to realize that the utility model solves its technical problem:
Have passage one, passage two on aforesaid V-arrangement cylinder blade, passage one is provided with cinclides a, cinclides b, and passage two is provided with cinclides c, cinclides d, and the position of cinclides b and cinclides d is lower than the position of cinclides a and cinclides c;
Aforesaid main shaft is rotatable main shaft, and its angle of swing maximum reaches 220 degree;
The volume ratio of aforesaid air and silicone oil is: 1:20 ± 4.
The utility model compared with prior art has significant advantage and beneficial effect:
The opening direction of the V-arrangement cylinder blade 7 that adopts due to the utility model always makes progress, and so just can guarantee to collect the gas of chamber c, can not return in chamber a or chamber b.Due to cinclides a, cinclides b, cinclides c, d is relatively little for cinclides, the damping size that they can appreciable impact axle blade.The volume of the V-arrangement cylinder blade c of upper chamber is greater than 15% of chamber a and chamber b volume sum, and when device of the present utility model was in-40 ℃～+ 70 ℃ operating temperature ranges, the volume change of liquid was can be less than 10% volume.When variation of ambient temperature, corresponding variation can occur in the volume of liquid, and when temperature raise, the volume of liquid can increase, and when temperature descended, volume reduced.In the utility model, the Volume Changes of liquid only can cause what variation of liquid in chamber c, can guarantee that chamber a and chamber b are full of liquid.So just can guarantee in operating temperature range, gas all is collected in chamber c in chamber a and chamber b, and the damping size that these gases can appreciable impact axle blade, thereby make the utility model working stability reliable.In the utility model, be provided with the axle thin-wall hole on the axle blade, the liquid that can adapt to the different viscosities coefficient by the area of adjusting axle thin-wall hole, when that is to say the liquid of perfusion different viscosities coefficient in chamber a, chamber b and chamber c, suitably the area of thin-wall hole on the adjusting axle blade, just can obtain required damping constant.
Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 structural representation of the present utility model;
The A-A of Fig. 2 the utility model Fig. 1 is to the sectional structure schematic diagram;
Gas and flow of fluid schematic circuit diagram in Fig. 3 V-arrangement cylinder of the present utility model blade;
Fig. 4 use view of the present utility model.
wherein: 1. an end cap, 2. shaft sealing, 3. hubcap, 4. axle blade, 5. seal ring, 6. link press span, 7. V-arrangement cylinder blade, 8. urceolus, 9. oiling screw, 10. combination seal, 11. connecting key, 12. bearing, 13. baffle plate, 14. main shaft, 15. fastening screw trip bolt one, 16. fastening screw trip bolt two, 17. cinclides a, 18. cinclides b, 19. chamber a, 20. chamber c, 21. cinclides c, 22. cinclides d, 23. chamber b, 24. axle thin-wall hole, 25. passage one, 26. passage two, 27. gas flow route, 28. liquid flow line, 29. arm, 30. hinge high pedestal jib crane platform, 31. novel passive autostabilizer of the present utility model, 32. vidicon camera.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and effect thereof to foundation the utility model provides are described in detail as follows.
A kind of novel passive autostabilizer as shown in Fig. 1～2, comprise urceolus, cylinder end cap, V-arrangement cylinder blade, main shaft, hubcap, axle blade and link press span, an end cap 1 is equipped with respectively at the two ends of described urceolus 8, and is fixed on link press span 6 by fastening screw trip bolt 1; Urceolus is provided with oiling screw 9, and by combination seal 10 sealings; V-arrangement cylinder blade 7 is equipped with in the inside of urceolus, V-arrangement cylinder blade is fixed on an end cap by two connecting keys 11, have passage 1, passage 2 26 on V-arrangement cylinder blade, passage one is provided with cinclides a17, cinclides b18, passage 2 26 is provided with cinclides c21, cinclides d22, and the position of cinclides b and cinclides d is lower than the position of cinclides a and cinclides c; Main shaft 14 passes the cylinder end cap that is contained in two ends, and main shaft is supported by two bearings 12, and main shaft is rotatable main shaft, and its angle of swing maximum reaches 220 degree, and hubcap 3 is housed on main shaft; Axle blade 4 is fixed on main shaft by fastening screw trip bolt 2 16, and the axle blade is provided with axle thin-wall hole 24; On baffle plate 13 dresses cylinder end cap at one end
,On the cylinder end cap at two ends, shaft sealing 2 and seal ring 5 are housed respectively; By V-arrangement cylinder blade, axle blade and urceolus, the inside of urceolus is divided into three independently chamber a19, chamber b23, chamber c20, its middle chamber a19 and chamber b23 are work chamber, chamber c20 is for regulating chamber, and two shaft sealings 2, two seal rings 5, combination seal 10 are as space sealing; Urceolus inside is marked with air and silicone oil in the space of remainder, the volume ratio of air and silicone oil is: 1:20 ± 4.
When vidicon camera swings, axle blade 4 can rotate back and forth by counterclockwise and clockwise direction, and when having gas in chamber a19 or in chamber b23, gas can be concentrated in chamber c20, this is than liquid light, no matter be that chamber a19 or the gas of chamber b23 all can exist its top because of gas; Owing to having passage 1, passage 2 26 on V-arrangement cylinder blade, passage one is provided with cinclides a17, cinclides b18, passage two is provided with cinclides c21, cinclides d22, the position of cinclides b18 and cinclides d22 is lower than the position of cinclides a17 and cinclides c21, when axle blade 4 turns clockwise, gas in chamber a will flow in chamber c, and the liquid in chamber c will flow in chamber b.In like manner, when the axle blade was rotated counterclockwise, the gas in chamber b also can flow in chamber c, and the liquid in chamber c will flow in chamber a.When the axle blade just is collected in chamber c through gas after multiple rotary.The utility model is when work, the opening direction of its V-arrangement cylinder blade 7 always makes progress, the axle blade will be repeatedly counterclockwise and turn clockwise, the gas content will of collecting is on the top of chamber c, and cinclides b and cinclides d are immersed in liquid, and gas is can not backflow in chamber a or chamber b.
The utility model is when work, and the opening direction of its V-arrangement cylinder blade 7 always makes progress, and so just can guarantee to collect the gas of chamber c, can not return in chamber a or chamber b.When the 4 clockwise direction rotation of axle blade, the signal circuit of the gas flow route 27 of inflow chamber c and outflow chamber c liquid flow line 28 as shown in Figure 3.
When main shaft 14 turned clockwise, in chamber a19, silicone oil flow in chamber b23 by axle thin-wall hole 24; When spindle axis counterclockwise was rotated, in chamber b23, silicone oil flow in chamber a19 by the axle thin-wall hole.Change the size of axle thin-wall hole or the viscosity coefficient of silicone oil, all can change the size that main shaft is subject to resistance, suitable adjusting just can obtain required dynamic resistance.
Because the compressibility of liquid is very little, along with the variation of temperature, the density of liquid only has small variation, in most of the cases, can ignore constrictive impact, thinks that the density of liquid is a constant.
Under certain pressure intensity, the character that fluid volume increases with the temperature rising is called the thermal expansivity of fluid.The size of thermal expansivity represents with volume expansivity α, and its physical significance is the relative change rate that unit temperature changes caused volume, namely
In formula: α---volume expansivity (1/K)
Volume (the m of V---liquid
3)
Increasing amount (the m of Δ Vt---liquid volume
3)
The increasing amount of Δ T---temperature (K)
The thermal expansivity of liquid is smaller, can not cause that generally volume produces too large variation.
So as long as the cavity volume Δ V of V-arrangement cylinder blade, the volume change of the utility model internal liquid that causes greater than Yin Wendu just can guarantee gas collection in air chamber.
That is: Δ V〉Δ Vt
The utility model can guarantee in operating temperature range (40 ℃～+ 70 ℃), and the gas collection that it is inner guarantees that its chamber a and chamber b are interior without gas, thereby guarantees its normal operation in the cavity of V-arrangement cylinder blade.
The Parts Materials that the utility model is selected and part are all to be easy to choose, and can work in operating temperature range and environment.
The Parts Materials that the utility model is selected is all to use the processing of conventional machinery process equipment; Assembling and debugging bring convenience to batch production all than being easier to.
The utility model debug process is as follows, and its inside is completed and under normal temperature (25 ± 5 ℃) condition, liquid (silicone oil) is injected in assembling, and attention will be reserved the air of 5% total measurement (volume), then tightens oiling screw 9.
Liquid-filled the utility model device is placed on temperature for insulation in+70 ℃ of environment 4 hours, detects it whether can work; Place it in again temperature for insulation in-40 ℃ of environment 4 hours, detect it and whether can work.If working properly and no liquid is oozed out, represent that it can work in the high and low temperature environment.
As shown in Figure 4, the application of the utility model in the port gantry crane suspender monitors.Novel passive autostabilizer 31 of the present utility model are arranged on hinge high pedestal jib crane platform 30, when the arm 29 front and back luffing of high pedestal jib crane, suspender can swing, novel passive autostabilizer of the present utility model can correctly be followed the motion of suspender, make the vidicon camera 32 that is arranged on (visual angle vertically downward) on the novel passive autostabilizer can pass stabilized image back.
Claims (4)
1. novel passive autostabilizer, comprise urceolus, cylinder end cap, and V-arrangement cylinder blade, main shaft, hubcap, axle blade and link press span is characterized in that: an end cap is equipped with respectively at the two ends of described urceolus, and is fixed on link press span by fastening screw trip bolt one; Urceolus is provided with the oiling screw, and seals by combination seal; V-arrangement cylinder blade is equipped with in the inside of urceolus, and V-arrangement cylinder blade is fixed on an end cap by two connecting keys; Main shaft passes the cylinder end cap that is contained in two ends, and main shaft is equipped with hubcap by two bearings on main shaft; The axle blade is fixed on main shaft by fastening screw trip bolt two, and the axle blade is provided with the axle thin-wall hole; On baffle plate dress cylinder end cap at one end
,On the cylinder end cap at two ends, shaft sealing and seal ring are housed respectively; By V-arrangement cylinder blade, axle blade and urceolus, the inside of urceolus is divided into chamber a, chamber b, chamber c, urceolus inside is marked with air and silicone oil.
2. novel passive autostabilizer according to claim 1, it is characterized in that: have passage one, passage two on described V-arrangement cylinder blade, passage one is provided with cinclides a, cinclides b, passage two is provided with cinclides c, cinclides d, and the position of cinclides b and cinclides d is lower than the position of cinclides a and cinclides c.
3. novel passive autostabilizer according to claim 1, it is characterized in that: described main shaft is rotatable main shaft, its angle of swing maximum reaches 220 degree.
4. novel passive autostabilizer according to claim 1, it is characterized in that: the volume ratio of described air and silicone oil is: 1:20 ± 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651954 CN202971706U (en) | 2012-12-03 | 2012-12-03 | Novel passive automatic stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651954 CN202971706U (en) | 2012-12-03 | 2012-12-03 | Novel passive automatic stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202971706U true CN202971706U (en) | 2013-06-05 |
Family
ID=48512783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220651954 Withdrawn - After Issue CN202971706U (en) | 2012-12-03 | 2012-12-03 | Novel passive automatic stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202971706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943837A (en) * | 2012-12-03 | 2013-02-27 | 天津市联大通讯发展有限公司 | Mechanical passive automatic stabilizer |
-
2012
- 2012-12-03 CN CN 201220651954 patent/CN202971706U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943837A (en) * | 2012-12-03 | 2013-02-27 | 天津市联大通讯发展有限公司 | Mechanical passive automatic stabilizer |
| CN102943837B (en) * | 2012-12-03 | 2014-07-02 | 天津市联大通讯发展有限公司 | Mechanical passive automatic stabilizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20140702 |
|
| RGAV | Abandon patent right to avoid regrant |