CN201940785U - An unloading support device for the assembly of a two-axis solar panel drive mechanism - Google Patents

Abstract

The utility model discloses an unloading supporting device suitable for the inspection and testing of a double-axis solar sail panel driving mechanism, which comprises a base (1), a scale indicating device (2), a rotation positioning control system, a movable unloading workbench and a locking Mechanism (9); the rotary positioning control system includes a large gear (3), a pinion (4), a worm (5) and a worm wheel (6); the movable unloading workbench includes a rotating shaft workbench (7) and a The adapter flange (8) of the driving mechanism; the rotation of the rotating shaft table (7) is controlled by rotating the large gear (3) of the rotary positioning control system. The utility model adopts the manual working mode, realizes rotation and precise positioning at any angle through the transmission of gears and worm gears, and indicates the angle value on the dial, which can meet the support and unloading of the assembly and test links of the double-axis solar sail panel drive mechanism requirements, ensuring the positional accuracy required by the equipment.

Description

An unloading support device for the assembly of a two-axis solar panel drive mechanism

technical field

The utility model belongs to the technical field of spacecraft propulsion, in particular to an unloading support device suitable for inspection and testing of a two-axis solar sail panel driving mechanism.

Background technique

The dual-axis solar panel driving mechanism is a driving device with two rotational degrees of freedom. Compared with the single-axis solar panel driving mechanism, the structure is complex, the assembly precision is high, and there are many inspection and testing links in the assembly process. The two single-axis components of the two-axis solar panel drive mechanism are vertically arranged. During the adjustment and testing process of the two single-axis components during assembly, the mechanism needs to be turned and positioned multiple times by 90° and 180°.

The driving mechanism of the two-axis solar panel is heavy, and it is relatively difficult to manually turn it over during the assembly process. The existing tooling can only realize the mechanism turning 180° for reinstallation. . In order to realize the 90° flip, it is necessary to support it with shims, tops, etc., and there are hidden dangers in safety. In order to satisfy the development of the driving mechanism of the biaxial solar panel, a new support and unloading device is needed.

Utility model content

The technical solution of the utility model is to overcome the deficiencies of the prior art and provide an unloading device capable of realizing safe and efficient support of the biaxial solar panel driving mechanism and multiple angle turning and positioning.

The technical solution of the utility model is: an unloading support device for the assembly of a two-axis solar sail panel driving mechanism, including a base, a scale indicating device, a rotation positioning control system, a movable unloading workbench and a locking mechanism; the rotation positioning control system It is fixedly installed on the base with the movable unloading table; the rotary positioning control system includes a large gear, a worm, a pinion and a worm gear; the movable unloading table includes a rotating shaft table and an adapter flange for installing the solar panel drive mechanism; The rotation of the movable unloading table is controlled by rotating the large gear of the rotary positioning control system; the locking mechanism is installed on the rotating shaft of the movable unloading table.

The base includes a horizontal adjustment device, which can adjust the horizontal accuracy of the 0° position of the product installation reference plane of the movable unloading workbench.

The friction angle of the worm wheel and the worm is greater than the lead angle of the worm.

The locking force of the locking mechanism is greater than the maximum tangential force on the worm.

The utility model has the advantages compared with the prior art:

(1) The utility model adopts a stable base structure and a high-precision rotation control system, and realizes safe and reliable support through a stable base; the support unloading device adopts a manual working mode, and realizes arbitrary rotation through gears and worm gears. Angle direction rotation and precise positioning, and the angle value is indicated on the dial, which can meet the support and unloading requirements of the assembly and testing of the two-axis solar panel drive mechanism, and ensure the position accuracy required by the equipment.

(2) The utility model adopts a replaceable movable unloading workbench, which can replace various interfaces, and can be applied to the assembly and testing of various types of solar panel driving mechanism structures, greatly improving production efficiency, operational safety, and assembly and testing processes The convenience and reliability of the solar panel drive mechanism have greatly improved the efficiency and safety of the production process of the solar panel drive mechanism.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in Figure 1, the unloading support device of the present utility model includes a base 1, a scale indicating device 2, a rotary positioning control system, a movable unloading workbench and a locking mechanism 9; the rotary positioning control system and the movable unloading workbench are fixedly installed on base 1. The rotary positioning control system includes a large gear 3, a pinion 4, a worm 5, and a worm wheel 6; the movable unloading table includes a rotating shaft table 7 and an adapter flange 8.

The base 1 is the foundation and support of the whole device, has a certain self-weight, good rigidity and stability, and can ensure stable support at any angle after the solar panel driving mechanism is installed. In this embodiment, the base 1 is made of cast aluminum alloy material, and the weight and structural dimensions ensure that all the solar panel driving mechanisms suitable for the support unloading device are assembled on the device, and the center of gravity is not changed during the rotation process and after positioning at any angle. Will deflect from the base and will not tip over. The bottom of base 1 adopts a hollow design, which can ensure that the driving mechanism of the solar panel does not interfere with the unloading device during the full-angle rotation. The base has a horizontal adjustment device, and the horizontal accuracy of the 0° position of the movable workbench reference plane can be adjusted by adjusting the horizontal adjustment device.

The rotary positioning control system of the present utility model comprises a bull gear 3, a pinion 4, a worm 5, and a worm wheel 6. The rotation of the solar panel driving mechanism installed on the movable unloading workbench is manually controlled by the crank handle installed on the gear wheel 3 . Its working principle is to shake the bull gear 3 by the hand handle installed on the bull gear to drive the pinion 4, the pinion 4 is connected with the worm 5, drives the worm 5 to rotate and then drives the worm wheel 6 to rotate. The friction angle between the worm wheel 6 and the worm 5 is greater than the lead angle of the worm 5 . In this embodiment, the friction angle of the materials used for the worm wheel and the worm is 9.1°, and the lead angle of the worm is 2.862°, which can realize self-locking position. In this embodiment, the transmission ratio of the worm gear is 64:1. For the convenience of manual operation, a gear transmission with a transmission ratio of 1:4 is used to reduce the transmission ratio of the entire device. The transmission accuracy of the whole device can reach 0.106°.

The movable unloading workbench is made up of a rotating shaft workbench 7 and an adapter flange 8 . The rotating shaft workbench is connected on the worm gear 6, and the adapter flange 8 is used for installing the driving mechanism of the solar panel. The reference position of the rotating shaft is parallel to the horizontal bottom surface of the base 1 . In this embodiment, the rotating shaft table 7 is made of cast stainless steel, and the parallelism between the rotating shaft at the initial position and the horizontal bottom surface of the base 1 is better than 0.03mm. The adapter flange 8 is made of aluminum alloy, and the parallelism between the upper and lower mating surfaces is better than 0.03mm. It can be disassembled and assembled repeatedly. By replacing the adapter flange, it can meet the assembly and test requirements of various types of solar panel driving mechanisms.

Scale indication device 2 is made up of the scale ring that is positioned at rotating shaft workbench, the scale plate that is positioned at bull gear 3 and scale bar. In this embodiment, the scale ring is divided into 360 scales, each scale is 1°, there are 80 equally divided scales on the dial plate, each scale is 4.5°, the scale bar has 10 scales, and the accuracy of the scale indicating device is 0.0281° .

The locking mechanism 9 is fixedly installed on the rotating shaft of the rotating shaft workbench 7, and is used to provide more reliable locking of the mechanism in the static position. The locking mechanism 9 adopts a shaft-hugging friction locking design, and the locking force when locking Greater than the maximum tangential force on the worm 5, it ensures a more reliable locking position of the mechanism in the locked state.

In this embodiment, the material of the locking mechanism 9 is made of aluminum bronze, and the locking force during locking is far greater than the maximum tangential force 87.87N suffered by the worm 5, so as to ensure that the locking mechanism 9 can realize self-locking safely, and it is compatible with the rotating shaft workbench. The shafts do not slide relative to each other.

In order to realize the cleaning and sealing of the device, all the bearings selected by this device are not lubricated with oil, and a shell is installed outside the rotation positioning control system, and the whole shell is positioned and supported by the base.

The utility model has been used and verified in the assembly adjustment, unloading support and biaxial angle test of the biaxial solar sail panel driving mechanism, and meets the production needs of the biaxial solar sail panel driving mechanism.

Of course, the equivalent transformation or replacement of each component, positional relationship and connection mode of the present invention without changing its function also falls within the scope of protection of the present invention.

The technologies not disclosed in the description of the utility model belong to the known technologies in the art.

Claims (4)

1. An unloading support device for assembly of a biaxial solar panel drive mechanism, characterized in that it includes a base (1), a scale indicating device (2), a rotation positioning control system, a movable unloading workbench and a locking mechanism (9 ); the rotary positioning control system and the movable unloading table are fixedly installed on the base (1); the rotary positioning control system includes a large gear (3), a small gear (4), a worm (5) and a worm wheel (6); the movable unloading The workbench includes a rotating shaft workbench (7) and an adapter flange (8) for installing the solar panel drive mechanism; the rotation of the rotating shaft workbench (7) is controlled by rotating the large gear (3) of the rotation positioning control system; the lock Tight mechanism (9) is installed on the rotating shaft of movable unloading workbench. 2. An unloading support device for assembly of a biaxial solar panel driving mechanism according to claim 1, characterized in that: the base (1) includes a horizontal adjustment device, and the product installation reference plane of the movable unloading workbench is 0° position for horizontal precision adjustment. 3. According to claim 1 or 2, an unloading support device for assembly of a two-axis solar panel drive mechanism, characterized in that: the friction angle of the worm wheel (6) and the worm (5) is greater than the lead of the worm (5) horn. 4. An unloading support device for assembling a biaxial solar panel driving mechanism according to claim 1 or 2, characterized in that: the locking force of the locking mechanism (9) is greater than the maximum tangential force of the worm (5) force.

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