CN115200828B - Follow-up turntable mechanism of sailboard simulation system of sailboat - Google Patents
Follow-up turntable mechanism of sailboard simulation system of sailboat Download PDFInfo
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- CN115200828B CN115200828B CN202211112743.9A CN202211112743A CN115200828B CN 115200828 B CN115200828 B CN 115200828B CN 202211112743 A CN202211112743 A CN 202211112743A CN 115200828 B CN115200828 B CN 115200828B
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
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Abstract
The invention relates to the field of sailing boat sailboard simulation experiments, and particularly discloses a follow-up turntable mechanism of a sailing boat sailboard simulation system, which comprises a follow-up turntable and a deflector rod connecting piece, wherein the follow-up turntable comprises a tray body and a base, the base is connected with an experiment platform, the upper part of the base is provided with a slide way, the bottom of the tray body is provided with a pulley, and the pulley is in sliding connection with the slide way; the upper end of the deflector rod connecting piece is connected with the bottom of the sailboat test piece, the lower end of the deflector rod connecting piece is connected with a sailboat sailboard driver, and deflector rods are symmetrically arranged on the front side wall and the rear side wall of the deflector rod connecting piece; the middle part of the follow-up turntable is provided with a through hole, two side walls at the opening of the follow-up turntable are respectively provided with a base plate, the base plates are vertically arranged, the horizontal distance between the two end parts of the shifting rod and the base plates is 30-40 mm, a sailboat sailboard driver drives the sailboat test piece and the shifting rod to rotate, and the shifting rod pushes the base plates to rotate and then drives the follow-up turntable mechanism to rotate. The invention solves the problem of potential safety hazard caused by a large circular hole reserved for the movable angle of the sailboard on the experimental platform in the sailboard simulation experiment.
Description
Technical Field
The invention belongs to the field of sailing boat sailboard simulation experiments, and particularly relates to a follow-up turntable mechanism of a sailing boat sailboard simulation system.
Background
The wind tunnel is used for simulating a sailboard simulation experiment of a sailboat, three-dimensional modeling work is required, and detailed comparative calculation analysis is carried out on the sailboard and the sailboat body under stress through fluid mechanics simulation calculation. Through aerodynamic computational analysis technology, computational analysis is carried out on the affected area of the sail, wind field characteristics brought by the sails at different positions are obtained, scientific theoretical support is provided for selection of running areas of athletes, and a foundation is provided for greatly improving the technical level of the athletes.
In sailing boat sailboard simulation experiment, because the angle scope of sailing boat sailboard is great, need leave about 5 meters of a great round hole on the experiment platform, not only can bring the potential safety hazard for the sportsman like this, still can exert an influence to the air current in the experiment, consequently, need design one set of mechanism with the round hole shutoff on, this mechanism can also follow sailing boat sailboard test piece and rotate on the plane of platform and do not take place to bump with sailing boat sailboard test piece simultaneously.
Disclosure of Invention
In order to solve the problems that potential safety hazards are caused by large round holes reserved for the moving angles of sailboard sailboards on an experiment platform in a sailboard simulation experiment in the prior art and adverse effects are caused to air flow in the experiment, the invention provides a follow-up turntable mechanism of a sailboard simulation system.
The technical scheme of the invention is as follows: a follow-up turntable mechanism of a sailing boat sailboard simulation system comprises a follow-up turntable and a shifting lever connecting piece, wherein the follow-up turntable comprises a turntable body and a base, the base is connected with an experiment platform, a slide way is arranged on the upper portion of the base, a pulley is arranged at the bottom of the turntable body, and the pulley is connected with the slide way in a sliding manner; the upper end of the deflector rod connecting piece is connected with the bottom of the sailboat test piece, the lower end of the deflector rod connecting piece is connected with the sailboat sailboard driver, and deflector rods are symmetrically arranged on the front side wall and the rear side wall of the deflector rod connecting piece;
the middle of the follow-up turntable is provided with a through hole, two side walls of the hole of the follow-up turntable are respectively provided with a base plate, the base plates are vertically arranged, the horizontal distance between the two end parts of the shifting rod and the base plates is 30-40 mm, the sailboat sailboard driver drives the sailboat test piece and the shifting rod to rotate, and the shifting rod pushes the base plates to rotate so as to drive the follow-up turntable mechanism to rotate.
A buffer cushion is arranged above the rotary disc.
The base is an annular base with a side wall, and the base is arranged above a support frame of the experiment platform.
And a top wheel is arranged between the inner side wall of the base and the disc body.
The distance between the top wheel and the disc body is 3-6 mm.
The number of the pulleys is 6-10, and the pulleys are uniformly distributed at the bottom of the tray body.
The through hole is in the shape of a sailing boat with a narrow front end, a wide middle part and a narrow rear end.
The number of the backing plates is 4, and a support rod is arranged between the tail end of each backing plate and the disc body.
The base plates on the same side are connected by a transverse plate.
The device comprises a sailboat test piece, a driving lever connecting piece, a connecting frame and a sailboat sailboard driver, wherein the bottom of the sailboat test piece is provided with the connecting frame, the driving lever connecting piece is a square box body, the upper end of the driving lever connecting piece is connected with the connecting frame, and the lower end of the driving lever connecting piece is connected with the output end of the sailboat sailboard driver.
The invention has the beneficial effects that:
the servo turntable mechanism adopts a sailboat sailboard driver as a power source to drive a sailboat test piece and a shifting rod connecting piece to rotate, drives a shifting rod to push a base plate to rotate and then drives the servo turntable mechanism to rotate, the shifting rod is a transmission piece, the servo turntable is ensured to rotate in one dimension, and the servo turntable does not do follow motion when the test piece rotates in other directions.
On the other hand, the follow-up turntable mechanism adopts the structure that the top wheel is arranged between the inner side wall of the base and the disk body, and the distance between the top wheel and the disk body is 3-6 mm, so that the position of the turntable mechanism is ensured not to deviate in the rotating process.
Drawings
FIG. 1 is an isometric view of a follower turntable in a follower turntable mechanism of a sailboard simulation system for a sailboat according to the present invention;
FIG. 2 is a schematic structural view of a follower turntable in the present invention;
FIG. 3 is an enlarged view at I of FIG. 2;
FIG. 4 is a schematic view of the toggle lever connector of the present invention;
FIG. 5 is a schematic diagram of a sailboard simulation experiment platform for a sailboat according to the present invention.
Description of the symbols:
1. the test device comprises a cushion pad, 2 parts of a base, 3 parts of pulleys, 4 parts of a backing plate, 5 parts of a deflector rod, 6 parts of a disc body, 7 parts of a top wheel, 8 parts of a follow-up turntable, 9 parts of a sailboat test piece, 10 parts of an experiment platform, 11 parts of a sailboat sailboard driver, 12 parts of a slideway, 13 parts of a deflector rod connecting piece, 14 parts of through holes, 15 parts of a support frame, 16 parts of a support rod, 17 parts of a transverse plate and 18 parts of a connecting frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in the following specific embodiments. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The connection mentioned in the present invention is divided into a fixed connection and a detachable connection, the fixed connection (i.e. the non-detachable connection) includes but is not limited to a folding connection, a rivet connection, an adhesive connection, a welding connection, and other conventional fixed connection manners, the detachable connection includes but is not limited to a screw connection, a snap connection, a pin connection, a hinge connection, and other conventional detachable manners, when the specific connection manner is not clearly defined, the default is to always find at least one connection manner among the existing connection manners to achieve the function, and a person skilled in the art can select the connection manner as required. For example: the fixed connection selects welded connection, and the detachable connection selects hinged connection.
With reference to fig. 1-5, a follow-up turntable mechanism of a sailboat sailboard simulation system comprises a follow-up turntable 8 and a deflector rod connecting piece 13, wherein the follow-up turntable 8 comprises a turntable body 6 and a base 2, the base 2 is connected with an experimental platform 10, a slide way 12 is arranged at the upper part of the base 2, a pulley 3 is arranged at the bottom of the turntable body 6, and the pulley 3 is in sliding connection with the slide way 12; the upper end of the deflector rod connecting piece 13 is connected with the bottom of the sailboat test piece 9, the lower end of the deflector rod connecting piece is connected with the sailboat sailboard driver 11, and deflector rods 5 are symmetrically arranged on the front side wall and the rear side wall of the deflector rod connecting piece 13; the middle of the follow-up turntable 8 is provided with a through hole 14, two side walls of the hole of the follow-up turntable 8 are respectively provided with a backing plate 4, the backing plates 4 are vertically arranged, the horizontal distance between the two end parts of the shifting rod 5 and the backing plates 4 is 30mm-40mm, the sailboat sailboard driver 11 drives the sailboat test piece 9 and the shifting rod 5 to rotate, and the shifting rod 5 pushes the backing plates 4 to rotate so as to drive the follow-up turntable 8 to rotate. The turntable can rotate circumferentially under the action of the deflector rod and the limitation of the base, and the collision between the turntable and a sailing boat sailboard experimental piece is avoided in the experimental process. The rotary disc only rotates with one degree of freedom under the action of the deflector rod, and when the sailing boat sailboard driver moves with other degrees of freedom, the rotary disc does not move with the sailing boat sailboard driver.
A buffer pad 1 is arranged above the tray body 6. In one embodiment, the cushioning pad is a sponge pad. The base 2 is an annular base with a side wall, and the base 2 is arranged above a support frame 15 of the experiment platform 10. The side wall of the base 2 is welded to the test platform 10.
And a top wheel 7 is arranged between the inner side wall of the base 2 and the disc body 6. The distance between the top wheel 7 and the disc body 6 is 3mm-6mm. The small distance between the top wheel and the disc body can ensure that the position of the turntable mechanism does not deviate in the rotating process.
The number of the pulleys 3 is 6-10, and the pulleys are uniformly distributed at the bottom of the tray body 6. The through hole 14 is in the shape of a sailboat with a narrow front end, a wide middle part and a narrow rear end. The center of the turntable is provided with a through hole, a gap of 100mm-150mm is reserved between the through hole and the sailboat sailboard test piece, and due to the fact that a sufficient gap is reserved between the sailboat test piece 9 and the follow-up turntable 8, in the moving process, collision cannot occur between the sailboat test piece 9 and the follow-up turntable, and load measurement of the sailboat test piece 9 cannot be affected. The backing plates are arranged on two side walls of the opening of the follow-up turntable 8, in a preferred embodiment, the backing plates are 4 in number and are arranged opposite to the two groups of deflector rods, and when the sailboat sailboard test piece 9 moves, one end of one group of deflector rods always collides with the backing plates, so that the follow-up test piece is stirred to rotate. In order to reduce the weight of the rotary table and the rotary inertia of the rotary table, thereby reducing the load of a sailboard driver of a sailboat, the disc body is made of an aluminum alloy frame and a pattern aluminum plate. Meanwhile, the two ends of the deflector rod and the base plate are made of polytetrafluoroethylene materials, so that the deflector rod and the base plate can smoothly move relatively after collision.
A support rod 16 is arranged between the tail end of the backing plate 4 and the disc body 6. The backing plates 4 are connected through the transverse plates 17 at the same side, and the backing plates are connected with the disc body in a welding mode, so that further support is provided for the backing plates, and the service life of the backing plates is prolonged.
The device comprises a sailboat test piece 9, a connecting frame 18 is arranged at the bottom of the sailboat test piece 9, the connecting frame 18 is sleeved at the bottom of the sailboat test piece 9, a square disc or a circular disc is arranged at the bottom of the connecting frame 18 and connected with a square hole or a circular hole formed in the upper portion of a deflector rod connecting piece, the deflector rod connecting piece 13 is a square box body, the upper end of the deflector rod connecting piece 13 is connected with the connecting frame 18, and the lower end of the deflector rod connecting piece is connected with the output end of a sailboat sailboard driver 11. The output end of the sailboat sailboard driver 11 is provided with a square disc or a circular disc which is fixedly connected with a square hole or a circular hole arranged at the bottom of the deflector rod connecting piece 13, so that the connection of the deflector rod connecting piece with the sailboat test piece and the sailboat sailboard driver is realized.
Example 1
A follow-up turntable mechanism of a sailboat sailboard simulation system comprises a follow-up turntable 8 and a deflector rod connecting piece 13, wherein the follow-up turntable 8 comprises a turntable body 6 with the diameter of 5 m; a base 2 with a diameter of 5.2 meters; the base 2 is connected with an experiment platform 10, a slide way 12 is arranged at the upper part of the base 2, a pulley 3 is arranged at the bottom of the disc body 6, and the pulley 3 is connected with the slide way 12 in a sliding manner; the upper end of the deflector rod connecting piece 13 is connected with the bottom of the sailboat test piece 9, the lower end of the deflector rod connecting piece is connected with the sailboat sailboard driver 11, and deflector rods 5 are symmetrically arranged on the front side wall and the rear side wall of the deflector rod connecting piece 13; the middle of the follow-up turntable 8 is provided with a through hole 14, two side walls at the opening of the follow-up turntable 8 are respectively provided with a base plate 4, the base plates 4 are vertically arranged, the horizontal distance between two ends of the shift lever 5 and the base plates 4 is 30mm, the sailboat sailboard driver 11 drives the sailboat test piece 9 and the shift lever 5 to rotate, and the shift lever 5 pushes the base plates 4 to rotate so as to drive the follow-up turntable 8 to rotate. The number of the backing plates 4 is 4, and a support rod 16 is arranged between the tail end of each backing plate 4 and the disc body 6. The number of the pulleys 3 is 6, and the pulleys are uniformly distributed at the bottom of the plate body 6. The base 2 is an annular base with a side wall, and the base 2 is arranged above a support frame 15 of the experiment platform 10. And a top wheel 7 is arranged between the inner side wall of the base 2 and the disc body 6. The distance between the top wheel 7 and the disc body 6 is 3mm.
Example 2
A follow-up turntable mechanism of a sailing boat sailboard simulation system comprises a follow-up turntable 8 and a deflector rod connecting piece 13, wherein the follow-up turntable 8 comprises a turntable body 6 and a base 2, the base 2 is connected with an experiment platform 10, a slide rail 12 is arranged at the upper part of the base 2, a pulley 3 is arranged at the bottom of the turntable body 6, and the pulley 3 is in sliding connection with the slide rail 12; the upper end of the deflector rod connecting piece 13 is connected with the bottom of the sailboat test piece 9, the lower end of the deflector rod connecting piece is connected with the sailboat sailboard driver 11, and deflector rods 5 are symmetrically arranged on the front side wall and the rear side wall of the deflector rod connecting piece 13; the middle part of the follow-up turntable 8 is provided with a through hole 14, two side walls of an opening of the follow-up turntable 8 are respectively provided with a base plate 4, the base plates 4 are vertically arranged, the horizontal distance between two end parts of the shifting rod 5 and the base plates 4 is 40mm, the sailboat sailboard driver 11 drives the sailboat test piece 9 and the shifting rod 5 to rotate, the shifting rod 5 pushes the base plates 4 to rotate, and then the follow-up turntable 8 is driven to rotate. The number of the backing plates 4 is 4, and a support rod 16 is arranged between the tail end of each backing plate 4 and the disc body 6. The number of the pulleys 3 is 10, and the pulleys are uniformly distributed at the bottom of the tray body 6. The base 2 is an annular base with a side wall, and the base 2 is arranged above a support frame 15 of the experiment platform 10. And a top wheel 7 is arranged between the inner side wall of the base 2 and the disc body 6. The distance between the top wheel 7 and the disc body 6 is 6mm.
The servo turntable mechanism adopts a sailboat sailboard driver as a power source, so that the rotation of the turntable and a test piece on the plane dimension of a platform is ensured to be consistent; meanwhile, the driving lever is used as a transmission piece, so that the follow-up turntable is ensured to rotate in one dimension only, and the follow-up turntable does not move along when the test piece rotates in other directions; the follow-up turntable mechanism adopts the way that the top wheels are arranged on the circumference of the outer side of the turntable, so that the position of the turntable mechanism is ensured not to deviate in the rotating process. The invention solves the problems that in the sailing boat sailboard simulation experiment in the prior art, the experimental platform leaves a large round hole for the movable angle of the sailing boat sailboard, so that the potential safety hazard is caused, and the round hole has adverse effect on the air flow in the experiment.
The specific protection scope of the present invention is not limited to the above explanation, and any simple replacement or modification within the technical spirit of the present invention and technical solution according to the present invention should be within the protection scope of the present invention.
Claims (10)
1. The follow-up turntable mechanism of the sailing boat sailboard simulation system is characterized by comprising a follow-up turntable (8) and a deflector rod connecting piece (13), wherein the follow-up turntable (8) comprises a turntable body (6) and a base (2), the base (2) is connected with an experiment platform (10), a slide way (12) is arranged at the upper part of the base (2), a pulley (3) is arranged at the bottom of the turntable body (6), and the pulley (3) is in sliding connection with the slide way (12); the upper end of the deflector rod connecting piece (13) is connected with the bottom of the sailboat test piece (9), the lower end of the deflector rod connecting piece is connected with the sailboat sailboard driver (11), and deflector rods (5) are symmetrically arranged on the front side wall and the rear side wall of the deflector rod connecting piece (13);
open at follow-up carousel (8) middle part has through-hole (14), and the both sides wall of this follow-up carousel (8) trompil department all sets up backing plate (4), backing plate (4) vertical setting, the horizontal distance between driving lever (5) both ends and backing plate (4) is 30mm-40mm, sailing boat sailing board driver (11) drive sailing boat test piece (9) and driving lever (5) rotate, and driving lever (5) promote backing plate (4) and rotate, drive follow-up carousel (8) then and rotate.
2. The follow-up turn table mechanism of a sailboat windsurfing board simulation system according to claim 1, characterized in that a cushion pad (1) is arranged above the tray body (6).
3. The follow-up turn table mechanism of a sailboat sailboard simulation system according to claim 1, characterized in that the base (2) is an annular base with side walls, the base (2) being arranged above a support frame (15) of the experimental platform (10).
4. The sailboat sailboard simulation system according to claim 3, characterized in that a top wheel (7) is provided between the inner side wall of the base (2) and the tray body (6).
5. The follow-up turntable mechanism of a sailboat sailboard simulation system according to claim 4, characterized in that the distance between the top wheel (7) and the tray body (6) is 3mm-6mm.
6. The follow-up turntable mechanism of a sailboat sailboard simulation system according to claim 5, characterized in that the number of the pulleys (3) is 6-10, which are evenly distributed at the bottom of the tray body (6).
7. The follow-up turn-table mechanism of a sailboat windsurfing board simulation system according to claim 6, wherein the shape of the through-hole (14) is a sailboat shape with a narrow front end, a wide middle part and a narrow rear end.
8. The follow-up turntable mechanism of a sailboat sailboard simulation system according to claim 7, characterized in that the number of the tie plates (4) is 4, and a support rod (16) is provided between the end of the tie plate (4) and the tray body (6).
9. The follow-up turn table mechanism of a sailboat sailboard simulation system according to claim 8, characterized in that the tie plates (4) on the same side are connected by a cross plate (17).
10. The follow-up turntable mechanism of a sailboat sailboard simulation system according to any one of claims 1 to 9, characterized in that a connecting frame (18) is arranged at the bottom of the sailboat test piece (9), the deflector connecting piece (13) is a square box, the upper end of the deflector connecting piece (13) is connected with the connecting frame (18), and the lower end is connected with the output end of the sailboat sailboard driver (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211112743.9A CN115200828B (en) | 2022-09-14 | 2022-09-14 | Follow-up turntable mechanism of sailboard simulation system of sailboat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211112743.9A CN115200828B (en) | 2022-09-14 | 2022-09-14 | Follow-up turntable mechanism of sailboard simulation system of sailboat |
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| Publication Number | Publication Date |
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| CN115200828A CN115200828A (en) | 2022-10-18 |
| CN115200828B true CN115200828B (en) | 2022-11-15 |
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| CN202211112743.9A Active CN115200828B (en) | 2022-09-14 | 2022-09-14 | Follow-up turntable mechanism of sailboard simulation system of sailboat |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29607706U1 (en) * | 1996-04-27 | 1996-07-18 | Scharstein Felix | Device for the simultaneous measurement of thrust and buoyancy on aerodynamic models |
| CN204461708U (en) * | 2015-02-28 | 2015-07-08 | 中国船舶重工集团公司第七○二研究所 | Band sailing boat oceangoing ship flow tunnel testing device |
| CN108593243A (en) * | 2018-04-23 | 2018-09-28 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of helicopter built-up pattern experimental rig |
| CN109974963A (en) * | 2019-04-16 | 2019-07-05 | 山东交通学院 | A kind of sailing boat wind tunnel experiment device |
| CN111086865A (en) * | 2019-12-30 | 2020-05-01 | 苏州朗坤自动化设备股份有限公司 | Storage feeding mechanism for lithium battery jig |
| CN112304555A (en) * | 2020-09-24 | 2021-02-02 | 西北工业大学 | Wing type pitching and sinking-floating oscillation wind tunnel test device |
-
2022
- 2022-09-14 CN CN202211112743.9A patent/CN115200828B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29607706U1 (en) * | 1996-04-27 | 1996-07-18 | Scharstein Felix | Device for the simultaneous measurement of thrust and buoyancy on aerodynamic models |
| CN204461708U (en) * | 2015-02-28 | 2015-07-08 | 中国船舶重工集团公司第七○二研究所 | Band sailing boat oceangoing ship flow tunnel testing device |
| CN108593243A (en) * | 2018-04-23 | 2018-09-28 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of helicopter built-up pattern experimental rig |
| CN109974963A (en) * | 2019-04-16 | 2019-07-05 | 山东交通学院 | A kind of sailing boat wind tunnel experiment device |
| CN111086865A (en) * | 2019-12-30 | 2020-05-01 | 苏州朗坤自动化设备股份有限公司 | Storage feeding mechanism for lithium battery jig |
| CN112304555A (en) * | 2020-09-24 | 2021-02-02 | 西北工业大学 | Wing type pitching and sinking-floating oscillation wind tunnel test device |
Non-Patent Citations (2)
| Title |
|---|
| 1.8 m * 1.4 m 低速风洞模型支撑系统研制;张德久等;《兵工自动化》;20170531;12-16 * |
| Research on sail aerodynamics performance and sail-assisted ship stability;Jianhai He等;《J. Wind Eng. Ind. Aerodyn. 》;20150908;81-89 * |
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