CN201232734Y

CN201232734Y - Heliostat transmission gear

Info

Publication number: CN201232734Y
Application number: CNU2008201222752U
Authority: CN
Inventors: 朱亚农; 经惠明
Original assignee: HANGZHOU GONGDIAN ENERGY TECHNOLOGY Co Ltd
Current assignee: Shanghai Gongdian Energy Technology Co., Ltd.
Priority date: 2008-07-25
Filing date: 2008-07-25
Publication date: 2009-05-06
Anticipated expiration: 2018-07-25

Abstract

The utility model relates to a heliostat transmission gear, particularly to a heliostat transmission gear of a solar thermal collecting power tower, belonging to the technical field of solar application. The heliostat transmission gear comprises an upper assembly and a lower assembly, wherein, the upper assembly is a supine angle adjusting transmission mechanism; the lower assembly is a directional angel adjusting mechanism; through being driven by the upper assembly and the lower assembly, a support structure of a heliostat can simultaneously do the adjusting movement of the supine angle and the directional angle for tracking the sun and ensuring the sun's rays can be precisely gathered on the surface of a receiver arranged on the top of a receiving tower. The utility model has the characteristics of simple and compact structure and few part varieties. Most parts of the two adjusting mechanisms have the same specification and the same size, so the parts are suitable for mass manufacture, and are easy to assemble, so the manufacture cost can be reasonably controlled.

Description

A kind of heliostat driving device

Technical field

The utility model relates to a kind of heliostat driving device, relates in particular to the heliostat slewing gear in a kind of tower type solar thermal-arrest power station, belongs to application of solar.

Background technique

Heliostat is applied in the tower type solar power generation system usually, with focusing on a certain fixed target place after the sunlight reflection, comprises reflector, supporting structure, transmission device and tracking control system.A large-scale tower solar power station needs thousands of cover heliostats, and its cost will occupy the power station and build the over half of overall cost, and transmission device is that most critical also is the highest parts of cost in the heliostat.If therefore transmission device is reasonable in design, compact structure, and be easy to assembling, will reduce production costs to a great extent, and effectively improve installation precision.

The model utility content

It is few that the purpose of this utility model provides a kind of part kind, compact structure, the heliostat driving device of easy assembling, thereby the cost of reduction total system.

For achieving the above object, transmission device of the present utility model is made of upper and lower two big assemblies.Two assemblies are taked following technological scheme:

1. go up assembly and adjust driving mechanism for the angle of lying on the back, the supporting structure of heliostat is installed on the assembly.

2. playing assembly is that driving mechanism is adjusted at the azimythal angle, and last assembly is installed on down on the assembly, and following assembly is installed on the heliostat column.

3. the worm gear in the supporting structure of heliostat and the last assembly is connected and fixed by bolt.The angle adjustment of lying on the back is by the motor driving planetary speed reducer, and planetary speed reducer drives worm screw, and worm screw drives worm gear, and worm gear drives heliostat supporting structure is done the angle adjustment campaign of lying on the back.

4. go up on the worm gear that assembly is installed on down assembly, also use bolt.The azimythal angle adjustment is by the motor driving planetary speed reducer, and planetary speed reducer drives worm screw, and worm screw drives worm gear, and assembly is done azimythal angle adjustment campaign on the worm gear drives.

5. worm gear rotate to be that structure by a kind of turntable bearing realizes, and the inner ring of worm gear and turntable bearing is an integral body, and the raceway that rolling element is installed is promptly also arranged on the worm gear, so just makes simple and compact for structurely, is easy to installation.

6. worm gear adopts symplex structure, and this is not the accessory size for unified upper and lower assembly purely, and is in order to improve the working life of worm gear.Because two row's raceways are arranged on the worm gear, after wear out failure appears in row raceway or a worm-gear tooth portion, adorn worm gear is counter, then can utilize once more.

7. go up assembly and following assembly except minority parts such as casing, the specification of remaining part is all identical, and this provides convenience for producing in enormous quantities, has reduced the production management cost.

Description of drawings

Fig. 1 is the heliostat driving device structural representation.

Fig. 2 is that the A of Fig. 1 is to view.

Fig. 3 is the sectional view at the B-B place of Fig. 2.

Fig. 4 is the sectional view at the C-C place of Fig. 2.

The sectional view at the D-D place of Fig. 5 view 2.

Number in the figure: assembly casing on assembly on 11,12 times assemblies, 13 bolts, 41 worm screws, 42 conical bearings, 43 logical lids, 44 end caps, 45,46 worm gears, 47 rolling elements, 48 lassos, 49 seal rings, 51 worm screws, 52 conical bearings, 53 logical lids, 54 end caps, 55 times assembly casings, 56 worm gears, 57 rolling elements, 58 lassos, 59 seal rings, 60 dust-proof cover.

Embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described further.

The utility model embodiment is the heliostat slewing gear in the tower type solar power generation system.

Structure of the present utility model as shown in Figure 1.The heliostat slewing gear is by last assembly 11, and following assembly 12 constitutes, and last assembly and following assembly connect by bolt 13.Last assembly 11 is adjusted driving mechanism for the angle of lying on the back, and following assembly 12 is adjusted driving mechanism for the azimythal angle.

The structure of last assembly as shown in Figure 3, Figure 4.Motor is installed in (motor and planetary speed reducer do not indicate in the drawings) on the planetary speed reducer, and planetary speed reducer is installed on the worm screw 41, and spline is processed in the end of worm screw 41, and planetary speed reducer is connected with worm screw 41 by spline.Worm screw 41 is by two conical bearings 42 and logically cover 43, end cap 44 is installed on the assembly casing 45, worm gear 46 is connected with the lasso 48 of turntable bearing by several rolling elements 47, in fact lasso 48 is outer rings of being used as turntable bearing, and worm gear 46 is used as the inner ring of turntable bearing, makes simple in structure, compact like this.Lasso 48 by screw on last assembly casing 45.Worm screw 41 is arranged on the bottom of worm gear 46, can effectively prevent oil leakage phenomenon.The sealing of last modular construction is to finish by two seal rings 49 that are stuck on the worm gear 46.The supporting structure (not shown) of heliostat then is installed in the two ends of worm gear 46.

Last assembly working method: motor driving planetary speed reducer, planetary speed reducer drive worm screw 41, and worm screw 41 drives worm gears 46, and worm gear 46 drives the angle adjustment campaign of lying on the back of heliostat supporting structures.

The structure of following assembly such as Fig. 3, shown in Figure 5.Motor is installed in (motor and planetary speed reducer do not indicate in the drawings) on the planetary speed reducer, planetary speed reducer is installed on the worm screw 51, spline is processed in the end of worm screw 51, planetary speed reducer is connected with worm screw 51 by spline, worm screw 51 reaches to lead to by two conical bearings 52 covers 53, end cap 54 is installed on down on the assembly casing 55, worm gear 56 is connected with the lasso 58 of turntable bearing by several rolling elements 57, in fact lasso 58 shows the outer ring of being used as turntable bearing, and worm gear 56 is used as the inner ring of turntable bearing, makes simple in structure, compact like this.Lasso 58 is fixed on the following assembly casing 55.The sealing of following modular construction is to finish by being stuck in seal ring 59 on the worm gear 56 and the dust-proof cover 60 that is installed on worm gear 56 end faces.

Last assembly 11 is installed in down by bolt 13 on the worm gear 56 of assembly 12, and last assembly casing 45 is stuck in down on the worm gear 56 of assembly 12, has determined the central position of last assembly.

Following assembly working method: the motor driving planetary speed reducer, planetary speed reducer drives worm screw 52, and worm screw 52 drives worm gear 56, and worm gear 56 drives are gone up assembly 11 and are done azimythal angle adjustment campaign.

More than 41 worm screws and 51 worm screws, 42 conical bearings and 52 conical bearings, 43 logical lids and 53 logical lids, 44 end caps and 54 end caps, 46 worm gears and 56 worm gears, 47 rolling elements and 57 rolling elements, 48 lassos and 58 lassos, the corresponding specification and the size of 49 seal rings and 59 seal rings are identical, and also basically identical of needed fastening piece is installed.Assembly casing and 55 times module case tagmas are not bigger on 45, and 60 dust-proof cover are peculiar parts in 12 times assemblies.

As above, the heliostat supporting structure can be done lie on the back angle and azimuthal adjustment campaign simultaneously under the drive of upper and lower assembly, thereby realizes the tracking to the sun, guarantees sunlight accurately is pooled to the receiver surface that receives top of tower.

Claims

1, a kind of heliostat driving device is made up of last assembly (11) and following assembly (12), it is characterized in that:

(1) goes up assembly (11) and adjust driving mechanism for the angle of lying on the back, comprise the lasso (48) and the seal ring (49) of assembly casing (45), worm screw (41), two conical bearings (42), logical lid (43), end cap (44), worm gear (46), several rolling elements (47) and turntable bearing, wherein said worm screw (41) is by two conical bearings (42) and lead to lid (43), end cap (44) is installed on the assembly casing (45); Described worm gear (46) is connected with the lasso (48) of turntable bearing by several rolling elements (47), and lasso (48) is used as the outer ring of turntable bearing, and worm gear (46) is used as the inner ring of turntable bearing; Described lasso (48) by screw on last assembly casing (45); Two seal rings (49) that are stuck on the worm gear (46) are used to realize the sealing of assembly casing;

(2) assembly (12) is adjusted driving mechanism for the azimythal angle down, comprise lasso (58), seal ring (59) and the dust-proof cover (60) of assembly casing (55), worm screw (51), two conical bearings (52), logical lid (53), end cap (54), worm gear (56), several rolling elements (57) and turntable bearing down, wherein said worm screw (51) is by two conical bearings (52) and lead to lid (53), end cap (54) is installed on down on the assembly casing (55); Described worm gear (56) is connected with the lasso (58) of turntable bearing by several rolling elements (57), and lasso (58) is used as the outer ring of turntable bearing, and worm gear (56) is used as the inner ring of turntable bearing, and described lasso (58) is fixed on the following assembly casing (55); Two are stuck in the seal ring (59) on the worm gear (56) and are installed in the sealing that dust-proof cover (60) on worm gear (56) end face is used to realize down the assembly casing;

(3) the described assembly (11) of going up is fixedlyed connected with the described worm gear (56) of assembly (12) down by bolt (13).

2, heliostat driving device according to claim 1 is characterized in that: worm screw (41) and worm screw (51), conical bearing (42) and conical bearing (52), logical lid (43) and logical lid (53), end cap (44) and end cap (54), worm gear (46) and worm gear (56), rolling element (47) and rolling element (57), lasso (48) and lasso (58), seal ring (49) are identical with the specification and the size of seal ring (59).

3, heliostat driving device according to claim 1, it is characterized in that: described worm gear (46,56) adopts symplex structure, and two row's raceways are arranged on the worm gear (46,56), after wear out failure appears in row's raceway or worm-gear tooth portion, adorn worm gear is counter, then can utilize once more.

4, heliostat driving device according to claim 1 is characterized in that: the described worm screw (41) that goes up assembly (11) is arranged on the bottom of worm gear (46), thereby can effectively prevent oil leakage phenomenon.