CN213535075U - Duplex 180-degree rotary propeller - Google Patents
Duplex 180-degree rotary propeller Download PDFInfo
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- CN213535075U CN213535075U CN202020766126.0U CN202020766126U CN213535075U CN 213535075 U CN213535075 U CN 213535075U CN 202020766126 U CN202020766126 U CN 202020766126U CN 213535075 U CN213535075 U CN 213535075U
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- propellers
- propeller
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- rotating shaft
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Abstract
The utility model relates to a 180 degrees gyration propellers of pair, including the propeller, two propeller intervals set up and set up respectively at two tip of work platform at tip of work platform or two propellers, under the drive of the traction module who sets up on work platform, two propellers are synchronous and/or the syntropy pendulum changes. The propeller is driven by a motor, the two propellers are connected by structures such as a cable rope, a chain and the like, the cable rope and the chain are driven by a hydraulic cylinder, a cylinder, an electric push rod or the motor, and finally the two propellers arranged at intervals are linked to swing and rotate by a duplex 180-degree rotation propeller. The utility model discloses relative prior art only needs to control two propellers simultaneously, need not control 4 full-circle rotary propellers or 8 non-full-circle rotary propellers respectively, and control structure retrencies more, and is easier when control logic designs, does not need complicated calculation and control program, and the cost is lower, and it is more convenient to maintain.
Description
Technical Field
The utility model belongs to marine propeller field relates to all-round ocean work platform propeller, especially a 180 degrees gyration propellers of pair.
Background
In recent years, with the discovery and utilization of marine resources, the demand for marine operations in the fields of exploration, surveying and mapping, garbage cleaning, oil and gas production, pipe and cable laying, and the like has been increasing. Can use the work platform of floating on the sea in above-mentioned each item work, because factors such as operation demand and marine operation environment are changeable, work platform needs the all-round motion, generally can set up 4 independent full gyration propellers or 8 non-full gyration propellers and realize on work platform, the propeller provides power by motor or engine, the mounted position of propeller includes that two propellers interval set up and set up respectively at two tip of work platform in tip or two propellers of work platform. In cable laying in shallow sea areas, the structures of the working platforms used more often are: the floating structure formed by connecting four buoys or four buoyancy tanks is light in weight and shallow in draft, is more suitable for operation in shallow sea areas, but in order to ensure the stability of the operation and the accuracy of cable laying, a plurality of propellers are also used, but the use of the 4 independent full-rotation propellers or 8 non-full-rotation propellers obviously has some problems, such as overhigh manufacturing cost, excessively complex structure and larger weight which can influence the stability of a working platform.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide and utilize two propellers of structural connection such as hawser, chain, utilize pneumatic cylinder, electric putter or motor to drive hawser, chain, finally make two propellers linkage pendulum of interval setting change a pair of 180 degrees gyration propellers.
The utility model adopts the technical proposal that:
the utility model provides a 180 degrees gyration propellers of pair, includes the propeller, and two propellers interval settings are at work platform one tip or two propellers set up respectively at two tip of work platform, and the motion end in the last traction module that sets up of work platform can drive two propellers synchronous and/or the syntropy pendulum and rotate.
And the traction module comprises a driving part and a linkage part, wherein a moving end in the driving part drives the linkage part to do transverse reciprocating motion, and the transverse reciprocating motion of the linkage part enables the two propellers to synchronously and/or synchronously swing and rotate.
And the linkage part is a cable, two end parts of the cable after bypassing the rotating shaft arranged on the propeller on the same side are respectively connected with the moving end, the moving end drives the cable to transversely reciprocate, and the cable drives the two propellers to synchronously and/or synchronously swing and rotate.
Furthermore, the outer edge of the rotating shaft is provided with a spiral part for winding the cable for a plurality of turns.
And the spiral part comprises an annular plate and a rope pressing plate, the annular plate above and the upper end of the rotating shaft as well as the annular plate below and the lower end of the rotating shaft form a groove above and a groove below respectively, two openings are obliquely aligned to the groove above and the groove below, the middle parts of the two openings in an oblique manner are provided with the rope pressing plate, and the cable obliquely passes through the rope pressing plate.
And the linkage part is a cross rod, two sides of the cross rod are hinged with the propellers at the same side respectively, the moving end drives the cross rod to do transverse reciprocating motion, and the cross rod drives the two propellers to swing synchronously and/or in the same direction.
And the linkage part is a chain, the two end parts of the chain, which are wound around the rotating shaft arranged on the propeller on the same side, are respectively connected with the moving end, the moving end drives the chain to transversely reciprocate, and the chain drives the two propellers to synchronously and/or synchronously swing and rotate.
Furthermore, the outer edge of the rotating shaft is provided with a toothed part meshed with the chain.
Furthermore, the driving part is any one or two of a hydraulic cylinder, an air cylinder, an electric push rod or a motor.
And the driving parts are two hydraulic cylinders which are oppositely arranged on the working platform, the moving ends of the two hydraulic cylinders transversely reciprocate in the same direction, the cable is pulled to transversely reciprocate, and the cable drives the two propellers to synchronously and/or synchronously swing and rotate.
Furthermore, the driving part is a motor and is arranged on the working platform, a gear is arranged on a rotating shaft of the motor and can drive the rack-shaped transmission part to do transverse reciprocating motion, and the rack drives the two propellers to swing synchronously and/or in the same direction.
The utility model has the advantages that:
the utility model discloses in, the setting that is provided with two spaced propellers or two propellers respectively counterpoint at work platform's a tip is at two tip of work platform, two propellers are synchronous and/or the syntropy is swung under traction module's drive, the tip that makes work platform set up the propeller is to the not equidirectional motion, compared with the prior art, only need control two propellers simultaneously, need not control 4 full gyration propellers or 8 non-full gyration propellers respectively, control structure retrencies more, control logic design time is easier, do not need complicated calculation and control program, the cost is lower, it is more convenient to maintain.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is an enlarged schematic view (in partial cross-section) of the right side thruster of FIG. 1;
fig. 4 is an enlarged schematic view of the rotating shaft of fig. 1.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
The utility model provides a 180 degrees rotary propulsors of pair, includes two propellers, and two propeller intervals set up and set up respectively at two tip of work platform at tip of work platform or two propellers, the utility model discloses an innovation lies in: the moving end in the traction module arranged on the working platform can drive the two propellers to swing synchronously and/or in the same direction.
The traction module comprises a driving part and a linkage part, wherein a moving end in the driving part drives the linkage part to do transverse reciprocating motion, and the transverse reciprocating motion of the linkage part enables the two propellers to swing and rotate synchronously and/or in the same direction. Wherein linkage part includes following structure, specifically is:
1. the linkage part is a steel cable with higher strength, two end parts of the cable after bypassing the rotating shaft arranged on the propeller at the same side are respectively connected with the moving end, the moving end drives the cable to transversely reciprocate, and the cable drives the two propellers to synchronously and/or synchronously swing and rotate. The outer edge of the rotating shaft is provided with a spiral part for winding the cable in a plurality of circles.
The positions of the rotating shafts are as follows: a motor is arranged above the propeller, a rotating shaft is arranged at the joint of the motor and the propeller,
still be equipped with axis of rotation 2 between axle sleeve and the motor housing, axis of rotation upper end and motor housing lower extreme fixed connection, axis of rotation lower extreme and axle sleeve upper end fixed connection make motor housing, axis of rotation, axle sleeve, propeller shell connect as an organic whole, and when the axis of rotation rotated, motor and propeller can rotate in step.
The outer edge of the rotating shaft is also provided with a spiral part which can wind the cable for a plurality of circles, the spiral part is provided with a groove 19 at the upper end and the lower end of the outer side of the rotating shaft, as shown in figure 1, two openings 18 are obliquely aligned with the groove at the upper part and the groove at the lower part, and a cable pressing plate 15 is arranged at the approximate middle part of the oblique two openings.
The structure of the groove is as follows:
the preferable scheme is as follows: the outer edge of the upper end or the outer edge of the lower end of the rotating shaft are respectively provided with an inward sunken annular groove, and two obliquely aligned openings are arranged on the same side of the two annular grooves.
The cable 13 in the front end of the upper groove is wound and extended from the front end of the rotating shaft to the rear end of the rotating shaft, continues to extend obliquely downwards at the opening extending to the front end of the rotating shaft and penetrates through the cable pressing plate, then is wound to the rear end of the rotating shaft from the opening of the lower groove, and finally the cable 17 extends to the rotating shaft on the other side.
Secondly, in a more preferable scheme, as shown in fig. 4, the outer edges of the upper end and the lower end of the rotating shaft are respectively sleeved with an annular plate, two obliquely aligned openings 18 are formed in the two annular plates positioned at the front end of the rotating shaft, and the upper annular plate and the upper end of the rotating shaft as well as the lower annular plate and the lower end of the rotating shaft respectively form an upper groove and a lower groove. The cable is wound in the same manner as in item 1 above.
No matter be the structure of item 1, still the structure of item 2, the hawser has certain inclination when passing the rope pressing plate, makes the hawser can twine many circles outside the axis of rotation, tightly twines the rope winding axle to avoid the slip when the hawser pulls, improve control accuracy.
The spiral member may also be other structures that allow the cable to be wrapped in multiple turns, such as: the outer wall of the shaft may have a helical groove similar to the external thread along which the cable is wound in a plurality of turns.
2. The linkage part is a cross rod which can be hollow or solid, the strength in use is only required, the two sides of the cross rod are respectively hinged with the propellers at the same side, the moving end drives the cross rod to do transverse reciprocating motion, and the cross rod drives the two propellers to swing synchronously and/or in the same direction.
3. The linkage part is a chain, the two end parts of the chain which are wound around a rotating shaft arranged on the propeller at the same side are respectively connected with the moving end, the moving end drives the chain to do transverse reciprocating motion, and the chain drives the two propellers to swing and rotate synchronously and/or in the same direction. The outer edge of the rotating shaft is provided with a toothed part meshed with the chain.
For the various linkage components, the corresponding driving components with different structures are specifically:
1. when the linkage component is a cable, the driving component can be any one or two of a hydraulic cylinder, an air cylinder, an electric push rod or a motor.
As shown in fig. 1, 2, 3 and 4, the driving component is two hydraulic cylinders 9 which are oppositely arranged on the working platform, the end parts of piston rods of the two hydraulic cylinders, which extend out of the working platform, are moving ends, the end parts of the two piston rods are oppositely connected with two sides of a traction seat 10, and the traction seat transversely reciprocates and drives the propellers to synchronously swing and/or rotate in the same direction through cables.
The hydraulic cylinder can be one, the transverse reciprocating motion of the mooring rope can also be realized, the two hydraulic cylinders can be replaced by two cylinders, one hydraulic cylinder can be replaced by one cylinder, and similarly, the hydraulic cylinder can be replaced by two electric push rods or one electric push rod.
The driving part can also be a motor which is arranged on the working platform, and the structural parts such as a rack mechanism, a worm gear mechanism or a screw and nut mechanism drive the cable to transversely reciprocate, so that the synchronous and/or same-direction swinging and rotating of the propellers at two sides are also realized.
2. When the linkage part is a cross rod, the driving part can be any one or two of a hydraulic cylinder, an air cylinder or an electric push rod.
The driving part is two hydraulic cylinders 9 which are oppositely arranged on the working platform, the end parts of piston rods extending out of the two hydraulic cylinders are moving ends, the end parts of the two piston rods are oppositely connected with two sides of a traction seat 10, and the traction seat transversely reciprocates and drives the propeller to synchronously swing and/or rotate in the same direction through a cross rod.
The hydraulic cylinder can be one, the transverse reciprocating motion of the cross rod can also be realized, the two hydraulic cylinders can be replaced by two cylinders, one hydraulic cylinder can be replaced by one cylinder, and similarly, the hydraulic cylinder can be replaced by two electric push rods or one electric push rod.
3. When the linkage component is a chain, the driving component can be any one or two of a hydraulic cylinder, an air cylinder, an electric push rod or a motor.
The driving part is two hydraulic cylinders 9 which are oppositely arranged on the working platform, the end parts of piston rods extending out of the two hydraulic cylinders are moving ends, the end parts of the two piston rods are oppositely connected with two sides of a traction seat 10, and the traction seat transversely reciprocates and drives the propeller to synchronously swing and/or rotate in the same direction through a chain.
The hydraulic cylinder can be one, the transverse reciprocating motion of the chain can also be realized, the two hydraulic cylinders can be replaced by two cylinders, one hydraulic cylinder can be replaced by one cylinder, and similarly, the hydraulic cylinder can be replaced by two electric push rods or one electric push rod.
The driving part can also be a motor, the motor is arranged on the working platform, and the chain is driven to transversely reciprocate by structural members such as a fluted disc, a rack mechanism, a worm gear mechanism or a lead screw and nut mechanism, so that synchronous and/or same-direction swinging and rotating of the propellers on two sides are also realized.
Application examples
And a certain offshore place is paved with cables, the depth of the sea is 30 meters, and the working platform adopts a reversed-square floating structure formed by sequentially connecting four floating boxes end to end. The outside end face of two flotation tanks of subtend all sets up two propellers, and two propellers are the motor drive of homonymy again respectively, and concrete structure is as shown in figure 1, 2, 3, and propeller 6 passes through motor 1 drive, and the motor passes through shaft coupling 5 to be connected and drives the propeller, and the shaft coupling upper end is connected with motor shaft, and the lower extreme is connected with the propeller pivot, plays the transmission effect, makes the motor can drive the propeller operation.
The outside that the shaft coupling is close to propeller one end is equipped with axle sleeve 4, and the axle sleeve is the hollow circular cylinder, and the diameter slightly is greater than the shaft coupling diameter, and the center of upper surface and lower surface all has the perforation, makes the shaft coupling can pass the axle sleeve and can freely rotate, and axle sleeve lower extreme and propeller shell fixed connection for the protection shaft coupling reduces the destruction of foreign matter to the shaft coupling, improves operating stability, increase of service life.
The outside of the shaft sleeve is also provided with a positioning sleeve 3, the positioning sleeve is a hollow cylinder, the diameter of the positioning sleeve is slightly larger than that of the shaft sleeve, the middle ten days of the upper surface and the lower surface are provided with through holes, so that the shaft sleeve can penetrate through the positioning sleeve and can freely rotate, and the propeller and the motor are fixed on the ship body through the positioning sleeve.
The utility model discloses in, the setting that is provided with two spaced propellers or two propellers respectively counterpoint at work platform's a tip is at two tip of work platform, two propellers are synchronous and/or the syntropy is swung under traction module's drive, the tip that makes work platform set up the propeller is to the not equidirectional motion, compared with the prior art, only need control two propellers simultaneously, need not control 4 full gyration propellers or 8 non-full gyration propellers respectively, control structure retrencies more, control logic design time is easier, do not need complicated calculation and control program, the cost is lower, it is more convenient to maintain.
Claims (10)
1. The utility model provides a 180 degrees gyration propellers of pair, includes the propeller, and two propeller intervals set up and set up respectively at two tip of work platform, its characterized in that at tip of work platform or two propellers: the moving end in the traction module arranged on the working platform can drive the two propellers to swing and rotate in a linkage manner.
2. A twin 180 degree rotary propeller as defined in claim 1 wherein: the traction module comprises a driving part and a linkage part, wherein a moving end in the driving part drives the linkage part to do transverse reciprocating motion, and the transverse reciprocating motion of the linkage part enables the two propellers to swing and rotate synchronously and/or in the same direction.
3. A twin 180 degree rotary propeller as defined in claim 2 wherein: the linkage part is a cable, two end parts of the cable after bypassing a rotating shaft arranged on the propeller on the same side are respectively connected with the moving end, the moving end drives the cable to do transverse reciprocating motion, and the cable drives the two propellers to swing and rotate synchronously and/or in the same direction.
4. A twin 180 degree rotary propeller as defined in claim 3 wherein: the outer edge of the rotating shaft is provided with a spiral part for winding the cable for multiple circles.
5. The twin 180 degree rotary propeller of claim 4, wherein: the spiral part comprises an annular plate and a rope pressing plate, the annular plate above and the upper end of the rotating shaft as well as the annular plate below and the lower end of the rotating shaft form a groove above and a groove below respectively, the groove above and the groove below are obliquely aligned to form two openings, the middle parts of the two openings in an oblique manner are provided with the rope pressing plate, and the mooring rope obliquely passes through the rope pressing plate.
6. A twin 180 degree rotary propeller as defined in claim 2 wherein: the linkage part is a cross rod, two sides of the cross rod are hinged with the propellers at the same side respectively, the moving end drives the cross rod to do transverse reciprocating motion, and the cross rod drives the two propellers to swing synchronously and/or in the same direction.
7. A twin 180 degree rotary propeller as defined in claim 2 wherein: the linkage part is a chain, two end parts of the chain which are wound around a rotating shaft arranged on the propeller on the same side are respectively connected with the moving end, the moving end drives the chain to do transverse reciprocating motion, and the chain drives the two propellers to swing synchronously and/or in the same direction.
8. A twin 180 degree rotary propeller as defined in claim 7 wherein: and a toothed part meshed with the chain is arranged on the outer edge of the rotating shaft.
9. The duplex 180-degree rotary propeller of any one of claims 4 to 8, wherein: the driving part is any one or two of a hydraulic cylinder, an air cylinder, an electric push rod or a motor.
10. A twin 180 degree rotary propeller as defined in claim 8 wherein: the driving part is selected from a structure I or a structure II;
the driving part is at least one hydraulic cylinder arranged on the working platform, a piston rod of the hydraulic cylinder is a moving end, the piston rod reciprocates in the transverse direction and drives a cable to reciprocate transversely, and the cable drives the two propellers to swing synchronously and/or in the same direction;
or the like, or, alternatively,
and the driving part is at least one motor arranged on the working platform, an output shaft of the motor is a moving end, the output shaft drives the cable to transversely reciprocate through a gear rack, a worm wheel, a worm or a screw nut, and the cable drives the two propellers to synchronously and/or synchronously swing and rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766126.0U CN213535075U (en) | 2020-05-11 | 2020-05-11 | Duplex 180-degree rotary propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766126.0U CN213535075U (en) | 2020-05-11 | 2020-05-11 | Duplex 180-degree rotary propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213535075U true CN213535075U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020766126.0U Active CN213535075U (en) | 2020-05-11 | 2020-05-11 | Duplex 180-degree rotary propeller |
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|---|---|
| CN (1) | CN213535075U (en) |
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- 2020-05-11 CN CN202020766126.0U patent/CN213535075U/en active Active
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