CN201697757U - Spring equalizing device for swing platform - Google Patents
Spring equalizing device for swing platform Download PDFInfo
- Publication number
- CN201697757U CN201697757U CN2010202209057U CN201020220905U CN201697757U CN 201697757 U CN201697757 U CN 201697757U CN 2010202209057 U CN2010202209057 U CN 2010202209057U CN 201020220905 U CN201020220905 U CN 201020220905U CN 201697757 U CN201697757 U CN 201697757U
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- spring
- equalizing device
- tilter
- level
- crank
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Abstract
The utility model discloses a spring equalizing device for a swing platform, which comprises a first-class spring equalizing device and a second-class spring equalizing device, wherein the first-class spring equalizing device is disposed at the inner ring drive shaft of the swing platform through a crank and the second-class spring equalizing device is disposed at the outer ring drive shaft of the swing platform through a crank. The utility model is characterized in that the first-class spring equalizing device and the second-class spring equalizing device share the same structure and both consist of a connecting rod; a spring coil sleeves on the connecting rod; an inner and outer spring are disposed in the spring coil through a piston; one end of the connecting rod which extend outside of the spring coil is connected to an universal ball hinge through an adjustable nut, and the universal ball hinge is connected the crank through the drive shaft. Compared with the prior art, the utility model has advantages of possessing a large scale of balance load, simple adjustment and reliable work; greatly reducing the whole weight of a swing platform; achieving an equal number of spring torque and weight torque when a load is at any angles within the range through adjusting the spring compressed length.
Description
Technical field
The utility model relates to tilter, is specifically related to employed spring equalizing device on the tilter.
Background technology
Develop rapidly along with the modern science technology, particularly vehicle-mounted, the needs of carrier-borne and airborne radar equipment, volume and weight to tilter has also proposed more and more higher requirement, up to the present, domestic various platforms all adopt the balancing weight of different model weight that balance is carried out in load, when design, make the as close as possible rotating shaft of center of gravity of load simultaneously, but because factors such as the structure of the external structure of load and tilter and angle range, in fact the center of gravity of load is impossible overlap with the center of gravity of rotating part, therefore certainly will need to increase the balancing weight of various different model weight, come balance is carried out in load, but this balance mode has significant limitation, especially when load weight is big, above-mentioned limitation is just obvious more, be embodied in: the one, range of balance is narrow, different loads needs specific balancing weight, the adjustment of balance is very complicated simultaneously, because on encircling in counterbalance weight all is installed in usually, not only to consider the balance of inner axle system, be both and also will take into account the balance that outer annulate shaft is, so balancing weight is uneven in the distribution of interior ring, different loads all need be carried out emulation on computers, calculate the weight and the mass distribution of balancing weight, therefore, adopt this balance mode, load is less than 50kg usually; The 2nd, increased the weight of rotating part, so moment of inertia, drive unit, and the structure of whole platform and weight are also along with rapid increase.According to investigations, for the load of 120kg, the general assembly (TW) of tilter does not wait about 2000～3000kg greatly; The 3rd, along with the increase of load, the installation of balancing weight is difficulty all the more, because the center of gravity of load is far away apart from rotating shaft usually, for reaching balance, the weight of balancing weight may be 2～4 times of load weight.
The utility model content
The technical problems to be solved in the utility model provide a kind ofly have that single-degree-of-freedom is waved, double freedom is compound waves down the self balancing spring equalizing device that is used for tilter.Adopt this spring equalizing device, the balanced load scope is big, adjusts simply, and reliable operation alleviates the complete machine weight of tilter greatly.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
The spring equalizing device that is used for tilter, comprise one-level spring equalizing device and two-level spring balance device, wherein the one-level spring equalizing device is installed in by crank on the interior ring transmission shaft of tilter, and the two-level spring balance device is installed on the outer shroud transmission shaft of tilter by crank; Described one-level spring equalizing device is identical with the two-level spring balance device structure, include connecting link, on connecting link, be set with spring strut, inner spring and outer spring are loaded in the spring strut by piston, the end that connecting link stretches out spring strut is connected with the multi-directional ball hinge by adjustable nut, and the multi-directional ball hinge is connected with crank by transmission shaft.
In the technical program, crank and multi-directional ball hinge link together with transmission shaft, the other end of crank links to each other with the inner axle of tilter system or outer annulate shaft system, the multi-directional ball hinge, connecting link links to each other with adjustable nut, the precompression distance of the fine-tuning spring of adjustable nut, in, outer spring is loaded in the spring strut with piston, when on the tilter during installation load, in the piston adjusting, the pre compressed magnitude of outer spring, at first regulate in the one-level spring equalizing device in, outer spring, making and loading on inner axle is to reach balance, regulate then in the two-level spring balance device in, outer spring makes to load on outer annulate shaft system and reach balance, loads on single-degree-of-freedom and waves thereby make, arbitrary position that double freedom is compound when waving, spring torque equates with gravitational torque, has then finished the balance to load.
Also can on spring strut, the end away from adjustable nut be installed by end cap.
Consider to load in the motion process, spring equalizing device can be scratched back shaft and be swung, therefore, space structure according to tilter, can be at the affixed back shaft in the two ends of one-level spring equalizing device spring strut, first bearing is installed on the inner ring frame frame of tilter, and the corresponding position with back shaft on this first bearing offers axis hole, and described support sleeve is in above-mentioned axis hole.In like manner, at the affixed back shaft in the two ends of two-level spring balance device spring strut, second bearing is installed on the outer ring support of tilter, the corresponding position with back shaft on this second bearing offers axis hole, and described support sleeve is in above-mentioned axis hole.
Specifically, at a long 1075mm, wide 1080mm, on the tilter of high 970mm, the length of described one-level or two-level spring balance device is 650～750mm, wide is 100～140mm, is 200～350mm deeply.Wherein, the center line of described one-level spring equalizing device and horizontal angle are 36 °, and the spring balancing angle range is ± 25 °.The center line of described two-level spring balance device and horizontal angle are 46 °, and the spring balancing angle range is ± 23 °.Wherein the spring balancing angle range should be greater than the tilter angle range.
Compared with prior art, the utility model tilter spring equalizing device, adopt the cluster spring balance device, the balanced load scope is big, adjusts simple, reliable operation, alleviate the complete machine weight of tilter greatly,, can realize loading on and wave angle range interior arbitrarily angled time by adjusting the decrement of spring, spring torque equates with gravitational torque, promptly reaches complete equipilibrium; Because do not increase the weight of rotating part, then required maximum drive moment also will reduce greatly, the tilter physical dimension be reduced, and greatly reduce manufacturing cost; The utility model spring equalizing device is also applicable to multiple motion carrier.
Description of drawings
Fig. 1 is that a kind of embodiment of the utility model spring equalizing device is installed in the structural representation on the tilter;
Fig. 2 for the structure (removing spring strut) of secondary balance device among Fig. 1 and with the connection diagram of tilter outer shroud transmission shaft;
Fig. 3 be one-level balance device among Fig. 1 structure and with tilter in the ring transmission shaft connection diagram;
Fig. 4 is the balanced design sketch of one-level balance device among Fig. 1;
Fig. 5 is the balanced design sketch of secondary balance device among Fig. 1.
Number in the figure is:
1 one-level spring equalizing device; 2 two-level spring balance devices; 3 tilters; 4 outer ring supports; 5 second bearings; 6 back shafts; 7 cranks; The outer shroud transmission shaft of 8 tilters; 9 end caps; 10 connecting links; 11 spring struts; 12 adjustable nuts; 13 transmission shafts; 14 multi-directional ball hinges; 15 inner springs; 16 outer springs; The interior ring transmission shaft of 17 tilters; 18 inner ring frame framves; 19 first bearings.
Embodiment
Referring to Fig. 1 to Fig. 3, the utility model is used for the spring equalizing device of tilter, comprise one-level spring equalizing device 1 and two-level spring balance device 2, described one-level spring equalizing device 1 is installed on the interior ring transmission shaft 17 of tilter 3 by crank 7, and two-level spring balance device 2 is installed on the outer shroud transmission shaft 8 of tilter 3 by crank 7.Two-level spring balance device 2 wherein comprises connecting link 10, on connecting link 10, be set with spring strut 11, inner spring 15 and outer spring 16 are loaded in the spring strut 11 by piston that (wherein outer spring 16 is dextrorotation, inner spring 15 is for left-handed) end of connecting link 10 stretches out spring strut 11 and is connected with multi-directional ball hinge 14 by adjustable nut 12, multi-directional ball hinge 14 is connected with crank 7 by transmission shaft 13, and the end away from adjustable nut 12 on the described spring strut 11 is equipped with end cap 9.One-level spring equalizing device 1 is identical with the structure of two-level spring balance device 2, is not described in detail in this.
At the affixed back shaft 6 in the two ends of two-level spring balance device 2 spring struts 11, second bearing 5 is installed on the ring support 4 outside tilter 3, the corresponding position with back shaft 6 on this second bearing 5 offers axis hole, and described back shaft 6 is placed in the above-mentioned axis hole.In like manner, at the affixed back shaft 6 in the two ends of one-level spring equalizing device 1 spring strut 11, first bearing 19 is installed on tilter 3 inner ring frame framves 18, and the corresponding position with back shaft 6 on this first bearing 19 offers axis hole, and described back shaft 6 is placed in the above-mentioned axis hole.
Specifically with a long 1075mm, wide 1080mm, the tilter 3 of high 970mm is an example, and the length of one-level spring equalizing device 1 of An Zhuaning or two-level spring balance device 2 is 650～750mm thereon, and wide is 100～140mm, is 200～350mm deeply.Wherein, the center line of described one-level spring equalizing device 1 and horizontal angle are 36 °, and the spring balancing angle range is ± 25 °.The center line of described two-level spring balance device 2 and horizontal angle are 46 °, and the spring balancing angle range is ± 23 °.
Claims (6)
1. the spring equalizing device that is used for tilter, it is characterized in that: comprise one-level spring equalizing device (1) and two-level spring balance device (2), wherein one-level spring equalizing device (1) is installed in by crank (7) on the interior ring transmission shaft (17) of tilter (3), and two-level spring balance device (2) is installed on the outer shroud transmission shaft (8) of tilter (3) by crank (7); Described one-level spring equalizing device (1) is identical with two-level spring balance device (2) structure, include connecting link (10), on connecting link (10), be set with spring strut (11), inner spring (15) and outer spring (16) are loaded in the spring strut (11) by piston, the end that connecting link (10) stretches out spring strut (11) is connected with multi-directional ball hinge (14) by adjustable nut (12), and multi-directional ball hinge (14) is connected with crank (7) by transmission shaft 13.
2. the spring equalizing device that is used for tilter according to claim 1, it is characterized in that: the two ends of the spring strut (11) of one-level spring equalizing device (1) are connected with back shaft (6), and the other end of two back shafts (6) is placed in the axis hole on first bearing (19) on the inner ring frame frame (18) that is installed in tilter (3).
3. the spring equalizing device that is used for tilter according to claim 2, it is characterized in that: the two ends of the spring strut (11) of two-level spring balance device (2) are connected with back shaft (6), and the other end of two back shafts (6) is placed in the axis hole on second bearing (5) on the outer ring support (4) that is installed in tilter (3).
4. the spring equalizing device that is used for tilter according to claim 3, it is characterized in that: at long 1075mm, wide 1080mm, on the tilter of high 970mm (3), the length of described one-level spring equalizing device (1) or two-level spring balance device (2) is 650～750mm, wide is 100～140mm, is 200～350mm deeply.
5. the spring equalizing device that is used for tilter according to claim 4 is characterized in that: the center line of described one-level spring equalizing device (1) and horizontal angle are 36 °, and the spring balancing angle range is ± 25 °.
7. the spring equalizing device that is used for tilter according to claim 6 is characterized in that: the center line of described two-level spring balance device (2) and horizontal angle are 46 °, and the spring balancing angle range is ± 23 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202209057U CN201697757U (en) | 2010-06-08 | 2010-06-08 | Spring equalizing device for swing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202209057U CN201697757U (en) | 2010-06-08 | 2010-06-08 | Spring equalizing device for swing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201697757U true CN201697757U (en) | 2011-01-05 |
Family
ID=43399004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202209057U Expired - Lifetime CN201697757U (en) | 2010-06-08 | 2010-06-08 | Spring equalizing device for swing platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201697757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881974A (en) * | 2010-06-08 | 2010-11-10 | 桂林长海发展有限责任公司 | Spring balancing device for oscillator |
-
2010
- 2010-06-08 CN CN2010202209057U patent/CN201697757U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881974A (en) * | 2010-06-08 | 2010-11-10 | 桂林长海发展有限责任公司 | Spring balancing device for oscillator |
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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: 20110105 Effective date of abandoning: 20110817 |