CN211202198U

CN211202198U - Variable vane rotary device

Info

Publication number: CN211202198U
Application number: CN201922470465.4U
Authority: CN
Inventors: 高雪峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-07
Anticipated expiration: 2029-12-31

Abstract

The variable blade rotating device has power equipment and blades, the output shaft of the power equipment is connected with a rotating support by means of a main shaft, more than two groups of blades are set on the outer end of the rotating support, every group of blades is uniformly distributed along the circumference using main shaft as centre of circle, the side of the main shaft is equipped with unidirectional intermittent motion mechanisms whose number is correspondent to the number of blade groups, between the driving wheel shaft of every unidirectional intermittent motion mechanism and main shaft a transmission mechanism is connected, and between the driven wheel shaft of every unidirectional intermittent motion mechanism and every group of blades a blade driving mechanism is respectively connected. In the working process of the blade rotating device, the power equipment enables the blades to rotate around the main shaft, the main shaft enables each group of blades to intermittently rotate through each one-way intermittent motion mechanism and the blade driving mechanism, the blades move along with the rotating bracket in a set working area and do not rotate, and the fluid resistance borne by the blades is expressed as a propelling force; in the set non-working area, the vanes are subjected to smaller fluid resistance when moving along with the rotating bracket.

Description

Variable vane rotary device

Technical Field

The utility model relates to a rotary device utilizing fluid, in particular to a variable blade rotary device.

Background

The existing devices for propelling the object to move by using fluid power mainly drive blades (or vanes) to rotate by power equipment, and the existing devices have the problem that the rotating motion direction of the blades (or vanes) is always inconsistent with the advancing direction of the object or the direction overcoming the gravity, so that the vanes always receive ineffective resistance in the motion; in addition, when used to lift heavy objects or to harness wind power, a large diameter is required to do so.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a variable blade rotary device, this blade rotary device is in operation, and the resistance that its blade received all shows the propulsive force.

In order to achieve the above purpose, the utility model adopts the following scheme: the variable blade rotating device has power equipment and several blades, the output shaft of the power equipment is connected with a rotating support by means of a main shaft, the blades are more than two groups, and are mounted on the outer end of rotating support by means of their rotating shafts, and every group of blades is uniformly distributed along the circumference using main shaft as centre of circle, and the side of the main shaft is equipped with unidirectional intermittent motion mechanisms correspondent to the number of blade groups, and between the driving wheel shaft of every unidirectional intermittent motion mechanism and main shaft a transmission mechanism is connected, and between the driven wheel shaft of every unidirectional intermittent motion mechanism and correspondent blade groups a blade driving mechanism is respectively connected.

According to the scheme, in the working process of the blade rotating device, the power equipment enables the blades to rotate around the main shaft along with the rotating support, and the main shaft enables each group of blades to rotate intermittently through each one-way intermittent motion mechanism and the blade driving mechanism, so that the following effects are achieved: in a set working area, the blades move along with the rotating bracket and do not rotate, namely the blades translate, and the fluid resistance borne by the blades is expressed as propulsion; in a set non-working area, the blades rotate under the driving of the unidirectional intermittent motion mechanism while moving along with the rotating support, and the fluid resistance borne by the blades is small.

The utility model discloses rational in infrastructure, dependable performance, it can more effective use fluidic power to can the at utmost reduce the influence of fluid resistance, its work efficiency is high, and the range of application is wide.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1

FIG. 5 is a cross-sectional view taken along line D-D of FIG. 1;

FIG. 6 is a cross-sectional view E-E of FIG. 1;

fig. 7 is a schematic view of the operation state of the embodiment shown in fig. 1.

Detailed Description

The invention is further described below with reference to examples and figures.

See fig. 1, 2, 3, 4

The utility model provides a variable blade rotary device has power equipment 4 and a plurality of blade 3, and power equipment 4 is the motor, and power equipment 4 fixes on a base 5. The output shaft of the motor is connected with a rotating bracket 1 through a main shaft 2, two groups of blades 3 are arranged, the blades 3 are arranged on the outer end of the rotating bracket 1 through rotating shafts of the blades, and each group of blades are uniformly distributed along the circumferential direction taking the main shaft 2 as the center of a circle. One-way intermittent motion mechanisms corresponding to the number of the blade 3 groups are arranged beside the main shaft 2, a transmission mechanism is connected between a driving wheel shaft of each one-way intermittent motion mechanism and the main shaft 2, and blade driving mechanisms are respectively connected between a driven wheel shaft of each one-way intermittent motion mechanism and each corresponding blade 3 group.

In the embodiment, the support of the rotating support 1 is in a straight line shape, two groups of blades 3 are arranged in each group, the two groups of blades 3 are respectively arranged at two ends of the rotating support 1, two unidirectional intermittent motion mechanisms are arranged and are respectively four-sheave mechanisms, each four-sheave mechanism is provided with a driving wheel shaft 23, a driven wheel shaft 24, a driving wheel assembly 22 and a driven wheel 25, the two four-sheave mechanisms share one driving wheel shaft 23, a transmission mechanism connected between the driving wheel shaft 23 and the main shaft 2 is composed of a driving gear 6 and a driven gear 7 which are meshed with each other, the driving gear 6 is arranged on the main shaft 2, and the driven gear 7 is;

a first blade driving mechanism and a second blade driving mechanism are respectively connected between the driven wheel shaft 24 of the two four-sheave mechanisms and two groups of blades at two ends of the rotating support.

The first blade driving mechanism is provided with a first driving sprocket 10, a first driven sprocket 8, a first transmission chain 9, a second driving sprocket 17, a second driven sprocket 19, a second transmission chain 18 and a first hollow shaft 26, wherein the first hollow shaft 26 is arranged on the main shaft 2, the first hollow shaft 26 is in clearance fit with the main shaft 2, the first driving sprocket 10 is arranged on a driven wheel shaft 24 in a four-sheave mechanism, the first driven sprocket 8 and the second driving sprocket 17 are arranged on the first hollow shaft 26, the second driven sprocket 19 is connected with a rotating shaft of the first group of blades 3, the first transmission chain 9 is arranged on the first driving sprocket 10 and the first driven sprocket 8, and the second transmission chain 18 is arranged on the second driving sprocket 17 and the second driven sprocket 19.

The second blade driving mechanism comprises a third driving sprocket 11, a third driven sprocket 12, a third transmission chain 13, a fourth driving sprocket 16, a fourth driven sprocket 14, a fourth transmission chain 15 and a second hollow shaft 27, wherein the second hollow shaft 27 is arranged on a first hollow shaft 26, the second hollow shaft 27 is in clearance fit with the first hollow shaft 26, the third driving sprocket 11 is arranged on a driven wheel shaft 24 in the other four-sheave mechanism, the third driven sprocket 12 and the fourth driving sprocket 16 are arranged on the second hollow shaft 27, the fourth driven sprocket 14 is connected with a rotating shaft of the second group of blades 3, the third transmission chain 13 is arranged on the third driving sprocket 11 and the third driven sprocket 12, and the fourth transmission chain 15 is arranged on the fourth driving sprocket 16 and the fourth driven sprocket 14.

See fig. 1, 3, 5, 6

In this embodiment, the two four-sheave mechanisms respectively drive the two sets of blades 3, and in the process that the two sets of blades 3 move along with the rotating support 1, in order to realize that the two sets of blades 3 respectively rotate or do not rotate in different areas, the two four-sheave mechanisms are set according to the requirement that the cooperation between the driving wheel assembly 22 and the driven wheel 25 is alternately performed.

See FIG. 1

In this embodiment, the rotating bracket 1 is hollow, and the second driving sprocket 17, the second driven sprocket 19, the second driving chain 18, the fourth driving sprocket 16, the fourth driven sprocket 14 and the fourth driving chain 15 are located in the belly of the rotating bracket 1.

See fig. 1, 3, 5

In this embodiment, the driving wheel assembly 22 in the four-sheave mechanism has a pair of wheel discs 22d arranged oppositely, each wheel disc 22d is provided with two sliding grooves 22f located on the same straight line, two pairs of opposite sliding grooves 22f on the two wheel discs 22d are respectively provided with a shifting pin 22e in a penetrating manner, two end portions of each shifting pin 22e are provided with rollers 22c, two end portions of each shifting pin 22e are respectively provided with a guide rod 22b in a penetrating manner, one end of each guide rod 22b is fixed with the driving wheel shaft 23, the guide rods 22b are provided with springs 22a, four limiting rods 20 are arranged between the shifting wheel shafts and the driven wheel shafts of the two four-sheave mechanisms, and each limiting rod 20 is aligned with the roller 22c on each shifting pin 22 e. I.e. the stop rods 20 are located on the turning path of the rollers, respectively. Both ends of each stopper rod 20 are fixed to a bracket 21, and the bracket 21 is fixed to the base 5.

Considering that the rotation speed of the driven wheel 25 when being shifted by the shifting pin 22e is not uniform, which may cause the blade 3 to be out of plumb with the rotating bracket 1 for a short time during rotation, and generate ineffective motion resistance, in the embodiment, one side edge of the guide strip 20 is located at a perpendicular line position of a central connecting line of the driving wheel shaft 23 and the driven wheel shaft 24, so that the driven wheel 25 and the wheel disc 22d are kept working at the same rotation radius during working, and it is ensured that the blade 3 is always kept in a posture perpendicular to the rotating bracket 1 during rotation of the blade 3 controlled by the driven wheel 25. In addition, a spring 22a and a guide rod 22b are provided to ensure that the roller 22c always moves along the guide strip 20 during movement.

As can be seen from fig. 1 to 6, the working principle of the blade rotating device provided by the present invention is as follows: the power equipment 4 drives the main shaft 2 and the rotating support 1 to rotate, the main shaft 2 drives the driving wheel shaft 23 to rotate through the driving gear 6 and the driven gear 7, the driving wheel assembly 22 on the driving wheel shaft 23 drives the driven wheel 25 and the driven wheel shaft 24 to rotate, and the driven wheel shaft 24 enables the two groups of blades 3 at two ends of the rotating support 1 to intermittently rotate through the first blade driving mechanism and the second blade driving mechanism.

See FIG. 7

In the operation of the vane rotating device provided by the embodiment, the two groups of vanes 3 at the two ends of the rotating bracket 1 are respectively and alternately positioned at the two sides of the boundary line F-F. A group of blades 3 positioned in the right area of the boundary line F-F are in an intermittent stop state, and in the state, the blades 3 move along with the rotating bracket 1 and do not rotate, namely the blades 3 translate; the other set of blades 3 located in the area to the left of the dividing line F-F is in a rotating state in which the blades 3 rotate by themselves driven by the unidirectional intermittent motion mechanism while moving with the rotating bracket 1. Setting the right side of the boundary F-F as a working area, wherein the fluid resistance of the blade 3 in the working area is expressed as propelling force; the left side of the boundary line F-F is set as a non-working area, in which the vanes 3 rotate by themselves while moving along with the rotating support, and the vanes are subjected to a smaller fluid resistance. For example, when the blade rotating device is used as an underwater propulsion device, the right side and the left side of the boundary F-F are underwater and on water, respectively, the blades 3 do not rotate under water, the fluid resistance received by the blades is expressed as a propulsive force, and the air resistance received by the blades 3 rotate on water.

The blades of the embodiment are two groups, and can be arranged into 2-6 groups according to different purposes. The two groups of blades are controlled by two four-sheave mechanisms, and the rotating bracket is in a straight shape; if the blades are 3 groups, the blade is controlled by three four-sheave mechanisms, and the rotating bracket can be Y-shaped; if the number of the blades is 4, the four-sheave mechanism is used for controlling the blades, the rotating bracket can be in a cross shape, and the like.

The utility model provides a blade rotary device can regard as the device that impels the object motion, or on the contrary, will wherein power equipment remove, can regard as the device that converts the power of wind-force into main shaft rotary power.

The utility model provides a blade rotary device mainly can use in following field.

1, can be used for novel aerogenerator, because the wind-receiving surface of its blade during operation is 100%, and the gyration wind-receiving surface of non-operation is nearly zero, so for people establish a high-efficient wind power generation set and provide possibility.

2, the power driving device can be used for a novel power driving device of a ship. The power driving devices of the prior steamship are all propellers, because each point of the propeller surface is distributed on different rotating radiuses, the rotating angular speeds of the propellers are different, the larger the radius is, the larger the angular speed is, the smaller the radius is, and the smaller the angular speed is, so that the draining speeds of the propellers are inconsistent, a negative pressure area obstructing the forward movement can be formed in a low rotating speed area of the center part behind the propeller, the power consumption is increased, the working efficiency is reduced, and the problem that a propeller mechanism cannot overcome is solved. The utility model is used for during the drive arrangement of steamer, the inconsistent problem of screw drive face speed just can be overcome in its blade surface full width constant speed work, and the resistance is very little when its blade turns round moreover.

3, can be used for a novel aerodynamic aircraft, four groups of blades can constitute, can realize VTOL, hover, advance and back a car a great deal of aerodynamic aircraft's such as high difficulty action, compare with present helicopter, have not had the large size screw, and trafficability characteristic is better, and factor of safety will also be higher.

Claims

1. Variable blade rotary device, it has power equipment and a plurality of blade, its characterized in that: the output shaft of the power equipment is connected with the middle part of a rotating bracket through a main shaft, more than two groups of blades are arranged, the blades are arranged on the outer end of the rotating bracket through rotating shafts of the blades, each group of blades are uniformly distributed along the circumferential direction taking the main shaft as the center of a circle, unidirectional intermittent motion mechanisms corresponding to the number of the blade groups are arranged beside the main shaft, a transmission mechanism is connected between a driving wheel shaft of each unidirectional intermittent motion mechanism and the main shaft, and a blade driving mechanism is connected between a driven wheel shaft of each unidirectional intermittent motion mechanism and each group of corresponding blades.

2. The variable vane rotary device of claim 1, wherein:

the rotary support is in a straight shape, two blades are arranged, each blade group is provided with two blades, the two blades are respectively arranged at two ends of the rotary support, two unidirectional intermittent motion mechanisms are arranged and are four-sheave mechanisms, each four-sheave mechanism is provided with a driving wheel shaft, a driven wheel shaft, a driving wheel assembly and a driven wheel, the two four-sheave mechanisms share one driving wheel shaft, a transmission mechanism connected between the driving wheel shaft and a main shaft is composed of a driving gear and a driven gear which are meshed with each other, the driving gear is arranged on the main shaft, and the driven gear is arranged on the driving wheel shaft;

a first blade driving mechanism and a second blade driving mechanism are respectively connected between a driven wheel shaft in the two four-sheave mechanisms and two groups of blades at two ends of the rotating bracket;

the first blade driving mechanism is provided with a first driving chain wheel, a first driven chain wheel, a first transmission chain, a second driving chain wheel, a second driven chain wheel, a second transmission chain and a first hollow shaft, the first hollow shaft is arranged on the main shaft, the first driving chain wheel is arranged on a driven wheel shaft in a four-sheave mechanism, the first driven chain wheel and the second driving chain wheel are arranged on the first hollow shaft, the second driven chain wheel is connected with a rotating shaft of the first group of blades, the first transmission chain is arranged on the first driving chain wheel and the first driven chain wheel, and the second transmission chain is arranged on the second driving chain wheel and the second driven chain wheel;

the second blade driving mechanism is provided with a third driving chain wheel, a third driven chain wheel, a third transmission chain, a fourth driving chain wheel, a fourth driven chain wheel, a fourth transmission chain and a second hollow shaft, the second hollow shaft is arranged on the first hollow shaft, the third driving chain wheel is arranged on a driven wheel shaft in the other four-sheave mechanism, the third driven chain wheel and the fourth driving chain wheel are arranged on the second hollow shaft, the fourth driven chain wheel is connected with a rotating shaft of the second group of blades, the third transmission chain is arranged on the third driving chain wheel and the third driven chain wheel, and the fourth transmission chain is arranged on the fourth driving chain wheel and the fourth driven chain wheel.

3. The variable vane rotary device of claim 2, wherein: the rotating bracket is hollow, and the second driving chain wheel, the second driven chain wheel, the second transmission chain, the fourth driving chain wheel, the fourth driven chain wheel and the fourth transmission chain are positioned in the belly of the rotating bracket.

4. The variable vane rotary device of claim 2, wherein: a driving wheel assembly in the four-sheave mechanism is provided with a pair of wheel discs which are oppositely arranged, each wheel disc is provided with two sliding grooves which are positioned on the same straight line, two pairs of opposite sliding grooves on the two wheel discs are respectively provided with a poking pin in a penetrating way, two end parts of each poking pin are provided with rolling wheels, two end parts of each poking pin respectively penetrate through a guide rod, one end of each guide rod is fixed with a driving wheel shaft, the guide rods are provided with springs, four limiting rods are arranged between the driving wheel shaft and a driven wheel shaft of the two four-sheave mechanisms, and each limiting rod is respectively aligned with the rolling wheels on each poking.