Solar photo-thermal heliostat tracking support
By designing the bracket structure of the ring guide rail and servo gear motor in the solar photothermal power generation system, combined with the dust cover, the problems of low positioning accuracy and high failure rate in traditional systems are solved, and high precision focus tracking and low maintenance costs are achieved.
Patent Information
- Application Number
- CN202421019450.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-11
AI Technical Summary
Traditional solar photothermal power generation systems have problems such as low positioning accuracy, poor transmission flexibility, high failure rate, no sand and dust protection, easy lag, and inaccurate focus tracking.
A bracket structure including an annular guide rail, a walking roller and a walking motor was designed, and the focus accuracy was achieved using a servo speed reduction motor and an annular rail precision gear, and a pitch control was achieved through a tilt mechanism and articular hinge, and a dust shield was installed on the outside to Prevent sand and dust and rain.
Improves positioning accuracy and drive flexibility, reduces failure rate, ensures accuracy of focus tracking, and reduces maintenance costs and failure rate through dust covers.
Smart Images
Figure CN222317321U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of solar thermal power generation, in particular to a solar thermal heliostat tracking bracket. Background Art
[0002] With the popularization of new energy technologies, solar thermal power generation has been widely used in various occasions. Traditional solar thermal power generation has the following defects: low positioning accuracy, poor transmission flexibility, high failure rate, no dust resistance, easy to freeze, inaccurate focus tracking, etc. Utility Model Content
[0003] In order to solve the problems of the prior art, the utility model provides a solar thermal heliostat tracking bracket, which has high positioning accuracy, high transmission flexibility, accurate focus tracking, can prevent sand and dust, and has a low failure rate.
[0004] The utility model comprises a base, a bracket and a mirror structure, wherein the base comprises an annular guide rail, a walking roller and a walking motor, the bottom of the bracket is connected to the annular guide rail through the walking roller, and the walking motor controls the bracket to slide along the annular guide rail through the walking roller; the bracket comprises a rotating base, a bracket column, a tilting mechanism and a bracket beam, the bottom of the rotating base is connected to the walking roller, the bracket column is fixed on the rotating base, and the bracket beam is connected to the bracket column through the tilting mechanism; the mirror structure comprises a longitudinal bracket and a micro-curved lens, a plurality of longitudinal brackets are equidistantly distributed perpendicular to the bracket beam to form a mirror support frame, and the micro-curved lens is laid on the surface of the mirror support frame.
[0005] Further improvement, the tilting mechanism includes an elevation electric push rod, an elevation connecting rod, a traveling gear and a ring track gear, one end of the elevation connecting rod is fixedly connected to the support column, and the other end is connected to the traveling gear through the elevation electric push rod; the connection between the support column and the support beam is the elevation connection point, the elevation connection point is provided with a ring track gear, the ring track gear and the traveling gear are meshed, the elevation electric push rod drives the traveling gear to rotate, thereby driving the support beam to rotate around the elevation connection point.
[0006] As a further improvement, a support column oblique support is provided between the support column and the rotating base.
[0007] As a further improvement, a dust cover is provided on the outside of the base.
[0008] The beneficial effects of the utility model are:
[0009] 1. It adopts a large circular base bracket and a ring track structure. The horizontal rotating part adopts a servo reduction motor and a ring track precision gear to ensure the focusing accuracy in the left and right directions. The pitch direction is connected by a joint hinge between the support column in the middle of the ring track bracket and the steel pipe bracket beam, and the precision electric push rod controls the pitch angle.
[0010] 2. The design of the dust cover can prevent rain, sand and dust from affecting the transmission and causing jams, thereby reducing maintenance costs and failure rates. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0012] Figure 1 It is a side view of the overall structure of the utility model.
[0013] Figure 2 It is an axial side view of the overall structure of the utility model.
[0014] Figure 3 This is a side view of the mirror structure.
[0015] Figure 4 This is a top view of the mirror structure.
[0016] Figure 5 Schematic diagram of pitch gear meshing.
[0017] In the figure, there are micro-curved lens 1, longitudinal bracket 2, annular guide rail 3, rotating base 4, bracket column 5, bracket column oblique support 6, bracket cross beam 7, travel roller 8, travel motor 9, elevation electric push rod 10, elevation connecting rod 11, elevation connection point 12, travel gear 13, ring rail gear 14, and dust cover 15. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] The utility model includes a base, a bracket and a mirror structure, the base includes an annular guide rail 3, a walking roller 8 and a walking motor 9, the bottom of the bracket is connected to the annular guide rail through the walking roller, and the walking motor controls the bracket to slide along the annular guide rail through the walking roller; the bracket includes a rotating base 4, a bracket column 5, a tilting mechanism and a bracket beam 7, the bottom of the rotating base is connected to the walking roller, the bracket column is fixed on the rotating base, and the bracket beam is connected to the bracket column through the tilting mechanism; the mirror structure includes a longitudinal bracket 2 and a micro-curved lens 1, a plurality of longitudinal brackets are equidistantly distributed perpendicular to the bracket beam to form a mirror support frame, and the micro-curved lens is laid on the surface of the mirror support frame.
[0020] Further improvement, the tilting mechanism includes an elevation electric push rod 10, an elevation connecting rod 11, a traveling gear 13 and a ring track gear 14, one end of the elevation connecting rod is fixedly connected to the support column, and the other end is connected to the traveling gear through the elevation electric push rod; the connection between the support column and the support beam is an elevation connection 12 point, and the elevation connection point is provided with a ring track gear, the ring track gear and the traveling gear are meshed, and the elevation electric push rod drives the traveling gear to rotate, thereby driving the support beam to rotate around the elevation connection point.
[0021] As a further improvement, a support column oblique support 6 is provided between the support column and the rotating base.
[0022] As a further improvement, a dust cover 15 is provided outside the base.
[0023] The structure and function of the solar heliostat tracking bracket provided by the utility model are as follows:
[0024] 1. Adopt large circular base bracket and ring rail structure;
[0025] 2. The horizontal rotating part adopts servo reduction motor and ring rail precision gear to ensure the focusing accuracy in the left and right directions;
[0026] 3. The pitch direction is connected by a joint hinge between the support column in the middle of the ring rail bracket and the crossbeam of the steel pipe bracket, and the precision electric push rod controls the pitch angle;
[0027] 4. The mirror bracket adopts lattice-type light C-shaped steel sheet longitudinal bracket and transverse bolt connection profile. All sheet brackets, columns, beams and ring rail brackets are cut by laser to ensure accuracy. They are bolted on site after hot-dip galvanizing. Anti-loosening bolts are used for the bolts at the connection parts to reduce the workload of operation and maintenance.
[0028] 5. Specially designed anti-sand cover for the ring rail and ring rail gear transmission part can prevent rain, sand and dust from affecting the transmission and causing jamming, reduce maintenance costs and failure rate, and ensure tracking and focusing accuracy.
[0029] 6. Combined with the matrix focus control system, it fully guarantees the focus accuracy and focus efficiency.
[0030] Each embodiment in this specification is described in a progressive manner, and the same and similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the device embodiment, the above is only a preferred implementation of the utility model. Since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment. The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field is within the technical scope disclosed by the utility model. For ordinary technicians in the technical field, changes or replacements that can be easily thought of should be included in the protection scope of the utility model without departing from the principle of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A solar thermal heliostat tracking bracket, characterized in that: It includes a base, a bracket and a mirror structure, the base includes an annular guide rail, a walking roller and a walking motor, the bottom of the bracket is connected to the annular guide rail through the walking roller, and the walking motor controls the bracket to slide along the annular guide rail through the walking roller; the bracket includes a rotating base, a bracket column, a tilting mechanism and a bracket beam, the bottom of the rotating base is connected to the walking roller, the bracket column is fixed on the rotating base, and the bracket beam is connected to the bracket column through the tilting mechanism; the mirror structure includes a longitudinal bracket and a micro-curved lens, a plurality of longitudinal brackets are equidistantly distributed perpendicular to the bracket beam to form a mirror support frame, and the micro-curved lens is laid on the surface of the mirror support frame.
2. The solar thermal heliostat tracking bracket according to claim 1, characterized in that: The tilting mechanism includes an elevation electric push rod, an elevation connecting rod, a traveling gear and a ring track gear. One end of the elevation connecting rod is fixedly connected to the support column, and the other end is connected to the traveling gear through the elevation electric push rod. The connection between the support column and the support beam is the elevation connection point. The elevation connection point is provided with a ring track gear. The ring track gear and the traveling gear are meshed. The elevation electric push rod drives the traveling gear to rotate, thereby driving the support beam to rotate around the elevation connection point.
3. The solar thermal heliostat tracking bracket according to claim 1, characterized in that: A support column oblique support is arranged between the support column and the rotating base.
4. The solar thermal heliostat tracking bracket according to claim 1, characterized in that: A dust cover is arranged outside the base.