Adjustable moment balance device for trench type solar device

Abstract

The invention relates to an adjustable moment balance device for a trench type solar device, which includes a first balance weight-transmission / retaining device, a second balance weight-transmission / retaining device and a swinging arm, wherein each balance weight-transmission / retaining device includes a balance weight, two gears, two retaining blocks and an input shaft; each balance weight is connected with a dovetail groove guide rail on the swinging arm through a dovetail groove formed in the balance weight, and can be adjusted in position through the meshed transmission of the two gears placed on each balance weight and two rows of racks arranged on the swinging arm, and can be fixed through the meshing of the two retaining blocks placed on each balance weight and the two rows of racks arranged on the swinging arm. The adjustable moment balance device connected axially with the trench type solar device can be used for balancing the unbalanced moment caused by factors such as errors in structural design, manufacture and assembly of the trench type solar device through adjusting the position of two or one balance weight(s), thereby realizing the static moment balance of the entire trench type solar device.

Description

technical field [0001] The invention relates to an adjustable moment balance device of a trough solar device, belonging to the technical field of solar equipment. Background technique [0002] The trough solar device is an important component of the trough solar thermal power generation system. Its function is to drive the trough condenser mounted on it to rotate on a fixed axis following the sun's movement, and to reflect and gather sunlight to the tubular heat collector for effective Harvest the sun's light and heat. In engineering applications, in order to reduce the driving torque of the trough solar device, in order to configure it with a lower power and cost driver and reduce the energy consumption in the driving process, it is necessary to balance the structural design, manufacturing and assembly errors of the trough solar device. The resulting static unbalanced moment around its central axis is currently mainly used to balance the static moment of the trough solar d...

AI Technical Summary

Problems solved by technology

The expected balance effect can be obtained by adopting this technical measure, but there are also the following deficiencies: 1. For different trough solar devices, the quantity, quality and placement position of the counterweights required are also different; 2. When the trough solar devices When the structure of the device changes, it is necessary to increase or decrease the counterweight and reposition; 3. When the number of counterweights is large, the quality of the trough solar device and the load on the supporting legs are increased

For example, in a relatively large trough solar thermal power generation system, the axial length of the trough solar device has exceeded 200 meters, and as the number of counterweights increases, its quality will also increase significantly; 4. Due to the large number of counterweights And it is connected with the trough solar device through a fixed connection, which requires a large amount of work and high labor intensity

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