CN214791976U

CN214791976U - Heliostat speed reduction cloud platform structure

Info

Publication number: CN214791976U
Application number: CN202121222949.8U
Authority: CN
Inventors: 芦维斌; 辜茂军
Original assignee: Xi'an Magic Science And Technology Development Co ltd
Current assignee: Xi'an Magic Science And Technology Development Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-19
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a heliostat speed reduction cloud platform structure, including the heliostat stand, heliostat stand end-to-end connection has the gear reducer casing, gear reducer casing side is provided with first step gear motor and second step gear motor, the first step gear motor outside is connected with first gear worm, first gear worm outside cooperation is connected with first speed reduction worm wheel, the end and the first speed reduction worm wheel of heliostat stand are connected, the second step gear motor outside is connected with the second gear worm, second gear worm outside cooperation is connected with second speed reduction worm wheel, the second speed reduction worm wheel outside is connected with the upper bracket, the upper bracket end is provided with the heliostat support, heliostat support surface is connected with the heliostat. This speed reduction cloud platform structure can rotate 180, and mirror surface elevation angle is rotatory 90. The double-axis motion relation is a surface contact mode, and the outdoor wind resistance and the precision stability are higher than those of the existing line contact or point contact.

Description

Heliostat speed reduction cloud platform structure

Technical Field

The utility model relates to a heliostat technical field specifically is a heliostat speed reduction cloud platform structure.

Background

Solar tower-type photo-thermal power generation is a photo-thermal power generation system which is relatively widely applied at present. A plurality of large solar reflectors, generally called heliostats, are arranged on a large-area field, each solar reflector is provided with a tracking mechanism respectively to accurately reflect and concentrate sunlight to a receiver at the top of a high tower, and the concentration multiplying power of the receiver can exceed 1000 times. The absorbed solar energy is converted into heat energy, the heat energy is transmitted to a working medium, the heat energy is input into a thermal power machine through a heat storage link, the thermal power machine expands to work, a generator is driven, and finally the heat energy is output in the form of electric energy.

The existing tower type solar heliostat adopts an azimuth angle elevation angle to chase after the sun and reflect the sunlight to a fixed point, the elevation angle is generally controlled by a vertical shaft or a telescopic bar, the motion relationship belongs to line contact or point contact, and the outdoor wind resistance and the precision stability are not as good as surface contact. When the device is used, the reduction ratio of the worm gear is small, the structure is unreasonable, and the controllable precision of the whole device is low and the requirement on transmission force is high. Meanwhile, the conventional heliostat speed reducing mechanism has high cost and low civil value utilization.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heliostat speed reduction cloud platform structure to propose current tower solar heliostat and adopt the azimuth to increase the angle and follow the sun reflection sunshine to the fixed point in solving above-mentioned background art, the altitude angle generally adopts vertical axis or flexible thick stick control, and the motion relation belongs to line contact or point contact, all is not as the face contact at outdoor anti-wind ability and precision stability. When the device is used, the reduction ratio of the worm gear is small, and the structure is unreasonable, so that the controllable precision of the whole device is low. Meanwhile, the existing heliostat speed reducing mechanism has the problems of high cost and low civil value utilization.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a heliostat speed reduction cloud platform structure, includes the heliostat stand, heliostat stand end-to-end connection has the gear reducer casing, gear reducer casing side is provided with first step gear motor and second step gear motor, the first step gear motor outside is connected with first gear reduction worm, first gear reduction worm outside cooperation is connected with first speed reduction worm wheel, the end and the first speed reduction worm wheel of heliostat stand are connected, the second step gear motor outside is connected with second gear reduction worm, second speed reduction worm outside cooperation is connected with second speed reduction worm wheel, the second speed reduction worm wheel outside is connected with the upper bracket, the upper bracket end is provided with the heliostat support, heliostat support surface is connected with the heliostat.

Further, the first stepping gear motor and the second stepping gear motor are electrically connected to a zero switch respectively, and the zero switch is electrically connected to an external power supply.

Further, the first stepping reduction motor and the second stepping reduction motor are both 24-time stepping reduction motors, the first reduction worm and the second reduction worm are both 90-time reduction worms, and the first reduction worm wheel and the second reduction worm wheel are both 90-time reduction worm wheels.

Further, the second reduction worm gear is connected with the upper support through a universal angle head, and the universal angle head rotates by 45 degrees in a non-orthogonal mode.

Further, the heliostat column is connected with a first reduction worm gear through a bearing, and the rotation angle of the first reduction worm gear is 180 degrees.

Further, the heliostat is a photo-thermal ultra-white silvered mirror.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a heliostat speed reduction cloud platform structure's second speed reduction worm wheel is connected through universal angle head with the upper bracket, and universal angle head adopts 45 rotations of non-quadrature. The heliostat upright post is connected with the first reduction worm gear through a bearing, and the rotation angle of the first reduction worm gear is 180 degrees. First speed reduction worm wheel forms 45 contained angles with second speed reduction worm wheel, realizes that whole speed reduction cloud platform structure rotates 180 when using, and mirror surface elevation angle rotates 90 stabilizing mean. The motion relation is in a face-to-face mode, and the outdoor wind resistance and precision stability are higher than those of the prior art, namely, line contact or point contact.

2. The first stepping gear motor and the second stepping gear motor are both 24-time stepping gear motors, the first reduction worm and the second reduction worm are both 90-time reduction worms, and the first reduction worm wheel and the second reduction worm wheel are both 90-time reduction worm wheels. The worm gear with large deceleration ratio is matched with a 24-time stepping deceleration motor, so that the controllable precision is high.

3. The utility model discloses a heliostat speed reduction cloud platform structure overall structure is simple, and manufacturing cost is lower, is convenient for be applied to civilian aspect, and civilization value utilizes higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of an upper support and a heliostat support of the invention;

in the figure: the system comprises 1-heliostat upright columns, 2-speed reducer shells, 3-speed reducer end covers, 4-first speed reduction worm wheels, 5-first speed reduction worms, 6-first further speed reduction motors, 7-zero switches, 8-second further speed reduction motors, 9-second speed reduction worms, 10-second speed reduction worm wheels, 11-upper supports, 12-heliostat supports and 13-heliostats.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a heliostat speed reduction cloud platform structure, including heliostat stand 1, 1 end-to-end connection of heliostat stand has

speed reducer housing

2, 2 sides of speed reducer housing are provided with first step gear motor 6 and second

step gear motor

8, 6 outsides of first step gear motor are connected with

first reduction worm

5, 5 outside cooperation of first reduction worm is connected with first reduction worm wheel 4, the end and the first reduction worm wheel 4 of heliostat stand 1 are connected, 8 outsides of second step gear motor are connected with

second reduction worm

9, 9 outside cooperation of second reduction worm is connected with second

reduction worm wheel

10, 10 outsides of second reduction worm wheel are connected with

upper bracket

11, 11 ends of upper bracket are provided with

heliostat support

12, 12 surfaces of heliostat support are connected with heliostat 13.

The utility model discloses in, other electric connection is equallyd divide equally to first step gear motor 6 and second step gear motor 8 in zero switch 7, and zero switch 7 electric connection is in external power source.

The utility model discloses in, first step gear motor 6 and second step gear motor 8 are 24 times step gear motor, and first reduction worm 5 and second reduction worm 9 are 90 times reduction worm, and first reduction worm wheel 4 and second reduction worm wheel 10 are 90 times reduction worm wheel.

The utility model discloses in, second speed reduction worm wheel 10 is connected through universal angle head with upper bracket 11, and universal angle head adopts 45 rotations of non-quadrature.

The utility model discloses in, heliostat stand 1 passes through the bearing with first speed reduction worm wheel 4 and is connected, and the rotation angle of first speed reduction worm wheel 4 is 180.

In the utility model, the heliostat 13 is a photo-thermal ultra-white silvered mirror.

The working principle is as follows:

when in use, the first stepping reducing motor 6 and the second stepping reducing motor 8 are respectively controlled to operate by the zero switch 7. When horizontal rotation is required, the first further reduction motor 6 drives the first reduction worm 5 to rotate the first reduction worm wheel 4 matched with the first reduction worm wheel. Thereby ensuring that the whole device rotates at the end of the heliostat column 1. When the upper support 11 is required to rotate, the second stepping reduction motor 8 drives the second reduction worm 9 to drive the second reduction worm gear 10 to rotate, so that the upper support 11 is ensured to rotate on the second reduction worm gear 10 in a non-orthogonal 45-degree manner through connection of the universal angle head. The first stepping reduction motor 6 and the second stepping reduction motor 8 are both 24-time stepping reduction motors, the first reduction worm 5 and the second reduction worm 9 are both 90-time reduction worms, and the first reduction worm wheel 4 and the second reduction worm wheel 10 are both 90-time reduction worm wheels. The worm gear with large deceleration ratio is matched with a 24-time stepping deceleration motor, so that the controllable precision is high. When the stabilizing mechanism is used, the whole speed-reducing cradle head structure rotates 180 degrees, and the height angle of the mirror surface rotates 90 degrees. The motion relation is in a face-to-face mode, and the outdoor wind resistance and precision stability are higher than those of the prior art, namely, line contact or point contact.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a heliostat speed reduction cloud platform structure, includes heliostat stand (1), its characterized in that: the tail end of the heliostat upright post (1) is connected with a speed reducer shell (2), a first stepping speed reducing motor (6) and a second stepping speed reducing motor (8) are arranged on the side surface of the speed reducer shell (2), the outer side of the first further speed reducing motor (6) is connected with a first speed reducing worm (5), a first reduction worm wheel (4) is connected with the outer side of the first reduction worm (5) in a matching way, the tail end of the heliostat upright post (1) is connected with a first speed reduction worm wheel (4), the outer side of the second stepping speed reducing motor (8) is connected with a second speed reducing worm (9), a second reducing worm wheel (10) is matched and connected with the outer side of the second reducing worm (9), the outer side of the second speed reduction worm gear (10) is connected with an upper support (11), the tail end of the upper support (11) is provided with a heliostat support (12), and the surface of the heliostat support (12) is connected with a heliostat (13).

2. A heliostat deceleration pan-tilt structure according to claim 1, wherein: the first stepping gear motor (6) and the second stepping gear motor (8) are respectively electrically connected to the zero switch (7), and the zero switch (7) is electrically connected to an external power supply.

3. A heliostat deceleration pan-tilt structure according to claim 1, wherein: the first stepping speed reduction motor (6) and the second stepping speed reduction motor (8) are both 24-time stepping speed reduction motors, the first speed reduction worm (5) and the second speed reduction worm (9) are both 90-time speed reduction worms, and the first speed reduction worm wheel (4) and the second speed reduction worm wheel (10) are both 90-time speed reduction worm wheels.

4. A heliostat deceleration pan-tilt structure according to claim 1, wherein: the second reduction worm gear (10) is connected with the upper support (11) through a universal angle head, and the universal angle head rotates by 45 degrees in a non-orthogonal mode.

5. A heliostat deceleration pan-tilt structure according to claim 1, wherein: the heliostat (13) is a photo-thermal ultra-white silvered mirror.