CN205261959U - Light -duty slot type solar collector - Google Patents

Abstract

The utility model discloses a light-duty trough-type solar heat collector, which mainly includes a rotary reducer, a trough-type heat-collecting trough, a main column, a side column, a large rotating shaft, a small rotating shaft, and a sliding bearing seat. The columns are respectively fixed on the foundation by adjustable bolts; the rotary reducer is fixed on the main column by bolts; the sliding bearing seat is fixed on the side columns by bolts, and the adjustable bolts of the two columns fixed on the foundation , to ensure that the centers of the two columns are on the same axis when they rotate; the large and small rotating shafts positioned by the spigot are fixed at both ends of the trough-type heat collecting tank by bolts; the large rotating shaft connected to one end of the trough-type heat collecting tank It is connected with the rotary reducer through bolts, and the small rotating shaft connected to the other end is installed in the adjusted sliding bearing seat; the PLC controls the action of the rotary reducer in real time to drive the trough heat collector to track and position accurately and quickly. The heat collector has simple structure, convenient processing of structural components, light weight, easy installation and maintenance, automatic day-to-day without manual operation, large rotation angle, high operation precision, and high heat collection efficiency.

Description

A light trough solar collector

technical field

The utility model relates to a light trough solar heat collector, in particular to a solar photothermal heat collecting mechanism with convenient installation, simple structure, light weight and high operating precision.

Background technique

In the case of dwindling non-renewable resources, solar energy has become an important part of human energy use and has been continuously developed. Various trough, tower, dish (disk) systems and equipment that use solar thermal power generation It is constantly emerging and has played an important role in many fields. Among them, the trough solar heat collection system is the most mature and widely used, especially large-scale solar heat collectors are mostly used in large enterprises and regions. Most of these solar heat Controlling and tracking at the same time, the structure is relatively complex, the reliability is low, and the cost is high, which is not suitable for small and medium-sized enterprises and residents. However, in order to solve the heat energy required by the production of small and medium-sized enterprises and the lives of residents, the utility model proposes a light trough Type solar collector.

Contents of the invention

In order to solve the above-mentioned shortcomings in the prior art, the light trough solar collector provided by the utility model has the advantages of wide application range, light structure, good stability, high tracking accuracy, convenient maintenance and low price.

In order to achieve the above advantages, the technical solution adopted by the utility model is to provide a light trough solar heat collector. It includes rotary reducer, trough heat collector, main column, side column, large shaft, small shaft, sliding bearing seat, rotary reducer base, rotary reducer flange, trough heat collector end plate A (10) , Trough heat collector end plate B (11), large shaft flange C (12), large shaft flange D (13), small shaft flange E (14), small shaft flange F (15), small shaft flange The rotating shaft, the top plate of the main column, the bottom plate of the main column, the top plate of the side column, the bottom plate of the side column and the base of the sliding bearing seat, the base of the rotary reducer (8) is fixed on the top plate of the main column (17) by bolts; the sliding bearing The seat base (21) is fixed on the top plate of the side column (19) by bolts; the bottom plate of the main column (18) and the bottom plate of the side column (20) are respectively fixed on the foundation by adjustable bolts to ensure that the rotation centers of the two columns are on the same axis Above; the large shaft flange C (12) and the small shaft flange E (14) positioned by the spigot are fixed to the end plate A (10) and end plate B at both ends of the trough heat collecting tank (2) by bolts (11); The large shaft flange D (13) positioned by the spigot is connected with the rotary reducer flange (9) by bolts, and the small shaft rotation shaft (16) is accurately installed on the sliding bearing whose axis is at the rotation center on the seat (7). The action of the slewing reducer (1) is controlled by the PLC in real time to drive the trough-type heat collecting trough (2) to track and position accurately and quickly.

Preferably, the rotary reducer base (8) cooperates with the top plate (17) of the main column, and the rotary reducer flange (9) cooperates with the large shaft flange D (13), ensuring the same Axiality, coaxiality is less than 0.5mm.

Preferably, the large shaft flange C (12) and the small shaft flange E (14) are respectively connected to the end plate A (10) and the end plate B (11) at both ends of the trough heat collecting tank (2), and the overall The structure is composed of various bending parts, plates and profiles welded.

Preferably, the main column (3) is a structural member composed of channel steel and steel plate, which fixes the bottom plate (18) of the main column on the foundation, and the top plate (17) of the main column cooperates with the base (8) of the rotary reducer to ensure the rotation The rotation axis of the reducer is parallel to the ground, and the parallelism is less than 2mm.

Preferably, the side column (4) is an assembly composed of steel plate and channel steel, which fixes the bottom plate (20) of the side column to the foundation, and the top plate (19) of the side column cooperates with the base of the sliding bearing seat (21) to ensure that the rotary reducer The rotation axis of the bearing is concentric with the mounting hole of the sliding bearing seat, and the concentricity is less than 1mm.

Preferably, the large rotating shaft (5) is composed of two flanges and a round steel welded to ensure that the parallelism of the flanges at both ends of the large rotating shaft is less than 1mm, and the concentricity is less than 0.5mm.

Preferably, the small rotating shaft (6) is composed of two flanges and round steel welded, and the welding ensures that the parallelism of the flanges at both ends of the large rotating shaft is less than 1 mm, and the concentricity is less than 0.5 mm.

Preferably, the flange E (14) of the small rotating shaft cooperates with the end plate B (11) of the trough heat collecting tank, and the rotating shaft (16) of the small rotating shaft is installed in the sliding bearing seat (7), so that the small rotating shaft and the The centerlines of rotation of the trough-type heat collecting trough are on the same straight line, so that it can perform high-precision rotating motion.

The beneficial effects of the utility model are: the light-duty trough-type solar heat collector is driven by a slewing reducer, and the rotation angle reaches ±120°, which satisfies all-day tracking and positioning. convenient.

Description of drawings

Figure 1 is a schematic diagram of a light trough solar collector.

Figure 2 is a schematic diagram of the rotary reducer.

Figure 3 is a schematic diagram of a trough heat collecting tank.

Figure 4 is a schematic diagram of the large rotating shaft.

Fig. 5 is a schematic diagram of the small rotating shaft.

Figure 6 is a schematic diagram of the main column.

Figure 7 is a schematic diagram of side columns.

Figure 8 is a schematic diagram of a sliding bearing seat.

Among them, 1. Rotary reducer; 2. Groove heat collecting tank; 3. Main column; 4. Side column;

5. Large rotating shaft; 6. Small rotating shaft; 7. Sliding bearing seat; 8. Base of rotary reducer; 9. Flange of rotary reducer; Heat tank end plate B (11); 12. Large shaft flange C (12); 13. Large shaft flange D (13); 14. Small shaft flange E (14); 15. Small shaft flange F ( 15) ; 16, the rotating shaft of the small rotating shaft; 17, the top plate of the column; 18, the bottom plate of the main column; 19, the top plate of the side column; 20, the bottom plate of the side column; 21, the base of the sliding bearing seat.

detailed description

As shown in Figures 1, 2, 3, 4, 5, 6, 7, and 8, the light trough solar collector specifically includes a rotary reducer (1), a trough heat collecting trough (2), and a main column (3), side column (4), large rotating shaft (5), small rotating shaft (6), sliding bearing seat (7), rotary reducer base (8), rotary reducer flange (9), trough heat collector Groove end plate A (10), trough heat collector end plate B (11), large shaft flange C (12), large shaft flange D (13), small shaft flange E (14), small shaft method Lan F (15), small rotating shaft rotating shaft (16), main column top plate (17), main column bottom plate (18), side column top plate (19), side column bottom plate (20), sliding bearing seat base (21), The rotary reducer (1) and the sliding bearing seat (7) are fixed on the top plate of the main column (17) and the top plate of the side column (19) by bolts; the bottom plate of the main column (18) and the bottom plate of the side column (20) pass through The adjustable bolts are fixed on the foundation, and by adjusting the height of the adjustable bolts, the rotation center of the slewing reducer (1) and the sliding bearing seat (7) are adjusted on the same axis, and the foundation bolts are tightened after adjustment; The large rotating shaft flange C (12) with seam positioning and the small rotating shaft flange E (14) with seam positioning are accurately fixed on the end plates A (10) at both ends of the trough-type heat collecting tank (2) by bolts and the end plate B (11), ensure that the large rotating shaft (5), the trough-type heat-collecting tank (2) and the rotation center line of the rotary reducer (1) are on the same straight line; the assembled trough-type heat-collecting tank (2) One end of the large rotating shaft flange D (13) and the rotary reducer flange (9), after adjusting the rotation angle of the trough-type heat collecting tank (2), use bolts as connecting parts to connect and fix them, and the groove The small rotating shaft rotating shaft at the other end of the type heat collecting tank (2) is then installed on the sliding bearing seat base (21) of the side column (4) after assembling.

The light-duty trough-type solar collector is characterized in that: the transmission ratio of the slewing reducer (1) is 62:1, and the accuracy grade is ≤0.2°, which can meet the requirements of the trough-type collector through worm gear transmission. The torque required for the rotation of the heat tank (2) makes it a rotating active part; the light-duty trough solar collector according to claim 1, characterized in that: the overall structure of the trough heat collecting tank (2) is composed of Composed of bending parts and profiles welded, the parallelism of the end plate A (10) and the end plate B (11) at both ends is less than 1mm, and the straightness is less than 2mm, so that it can be used as a rotating follower; according to claim 1, the light-duty The trough solar collector is characterized in that: the main column (3) is a structural member welded by channel steel and steel plate, and the parallelism between the main column bottom plate (18) and the main column top plate (17) is less than 1mm The light-duty trough solar collector according to claim 1, characterized in that: the side column (4) is a structural member composed of steel plate and channel steel through welding, the side column bottom plate (20) and the side column top plate The parallelism between (19) is less than 1mm; according to the light-duty trough solar collector according to claim 1, it is characterized in that: the large rotating shaft (5) is made of two flanges with seams and round steel It is composed of welding, and after welding, the parallelism of the flanges at both ends of the large rotating shaft (5) is guaranteed to be less than 1 mm, and the coaxiality is less than 0.5 mm; according to claim 1, the light-duty trough solar collector is characterized in that: the small The rotating shaft (6) is a part composed of two flanges and round steel welded. After welding, ensure that the parallelism of the flanges at both ends of the small rotating shaft (6) is less than 1mm, and the concentricity is less than 0.5mm.

After the light-duty trough solar collector is installed, after the tracking accuracy of the trough heat collector (2) is electrically adjusted, the PLC controller can control the trough heat collector (2) to automatically track the sun's rays in real time. During operation, the heat energy generated can meet the production needs of small and medium-sized enterprises and the living needs of residents.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements can also be made to the utility model. Fall within the scope of protection of the utility model claims.

Claims (7)

1. A light-duty trough-type solar heat collector, characterized in that it specifically includes a rotary reducer (1), a trough-type heat-collecting trough (2), a main column (3), a side column (4), a large rotating shaft (5 ), small rotating shaft (6), sliding bearing seat (7), slewing reducer base (8), slewing reducer flange (9), trough heat collecting trough end plate A (10), trough heat collecting trough end Plate B (11), large shaft flange C (12), large shaft flange D (13), small shaft flange E (14), small shaft flange F (15), small shaft rotation shaft (16), The top plate of the main column (17), the bottom plate of the main column (18), the top plate of the side column (19), the bottom plate of the side column (20), the base of the sliding bearing seat (21), and the base of the rotary reducer (8) is fixed on the main column by bolts on the column top plate (17); the sliding bearing base (21) is fixed on the side column top plate (19) by bolts; the main column bottom plate (18) and the side column bottom plate (20) are fixed on the side column bottom plate (20) by adjustable bolts On the foundation, ensure that the rotation centers of the two columns are on the same axis; the large shaft flange C (12) and the small shaft flange E (14) positioned by the seam are fixed to both ends of the trough heat collecting tank (2) by bolts Plate A (10) and end plate B (11); the flange D (13) of the large rotating shaft positioned by the seam is connected with the flange (9) of the rotary reducer through bolts, and the rotating shaft of the small rotating shaft (16) is accurately Installed on the sliding bearing seat (7) whose axis is at the center of rotation; the PLC real-time controls the action of the slewing reducer (1) to drive the trough-type heat collecting trough (2) to track and position accurately and quickly. 2. The light-duty trough solar collector according to claim 1, characterized in that: the transmission ratio of the slewing reducer (1) is 62:1, the accuracy grade is ≤0.2°, and it is driven by a worm gear to facilitate The torque required to meet the rotation of the trough-type heat collecting tank (2) can be achieved, making it a rotating active part. 3. The light-duty trough-type solar collector according to claim 1, characterized in that: the overall structure of the trough-type heat collecting trough (2) is composed of bending parts and profile welding, and the end plates A (10) at both ends The parallelism with the end plate B (11) is less than 1mm, and the straightness is less than 2mm, making it a rotary follower. 4. The light-duty trough solar collector according to claim 1, characterized in that: the main column (3) is a structural member composed of channel steel and steel plate welded, the bottom plate of the main column (18) and the top plate of the main column (17) The parallelism between them is less than 1mm. 5. The light-duty trough solar collector according to claim 1, characterized in that: the side column (4) is a structural member composed of steel plate and channel steel through welding, and the bottom plate (20) of the side column and the side column The parallelism between the top plates (19) is less than 1mm. 6. The light-duty trough solar collector according to claim 1, characterized in that: the large rotating shaft (5) is composed of two flanges with seams and round steel welded, and the large rotating shaft can be guaranteed after welding (5) The parallelism of the flanges at both ends is less than 1mm, and the concentricity is less than 0.5mm. 7. The light-duty trough solar collector according to claim 1, characterized in that: the small rotating shaft (6) is a part composed of two flanges and round steel welded, after welding, the small rotating shaft (6) The parallelism of flanges at both ends is less than 1mm, and the concentricity is less than 0.5mm.