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Two-dimensional precise angle trimmer for the second crystal of double-crystal monochromator

A technology of twin-crystal monochromator and fine-tuning device, which is applied in the mechanical field, and can solve problems such as inability to realize rotation and fine-tuning, and failure to meet the working requirements of the second crystal of the double-crystal monochromator.

Inactive Publication Date: 2003-03-19
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

However, this patent is mainly used to realize the 2-dimensional movement and 1-dimensional rotation of the worktable plane, and cannot realize the fine-tuning of the rotation of the 2-dimensional angle, so it cannot meet the working requirements of the second crystal of the double crystal monochromator

Method used

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  • Two-dimensional precise angle trimmer for the second crystal of double-crystal monochromator
  • Two-dimensional precise angle trimmer for the second crystal of double-crystal monochromator
  • Two-dimensional precise angle trimmer for the second crystal of double-crystal monochromator

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Embodiment Construction

[0012] Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, the present invention mainly includes: 2 linear stepper motors 1 with encoders, upper support plate 2, positioning plate 3, adjustment screws 4, 16, frame 5, crystal frame 6, crystal pressing plate 7, adjustment plate 8 , the second crystal 9, 4 sets of flexible hinge assemblies 10, 2 sets of tension spring assemblies 11, the lower support plate 12, the middle support plate 13, the positioning pin 14, the crystal lateral pressure plate 15, and its connection mode is: the upper support plate 2 After connecting with the positioning plate 3 with screws, and then connecting with the frame 5 with screws, after matching the drill pin holes, use the positioning pin 14 for positioning, and the two adjusting screws 4 are located in the screw holes of the positioning plate 3, with the encoder After the head screw of the linear stepper motor 1 is inserted into the mounting hole of the upper bracket plate 2, tighten...

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Abstract

The two-dimensional precise angle timer for the second crystal of double crystal monochromator belongs to regulating mechanism. The upper support board is connected first to the positioning board and then to the frame, one linear stepped motor with coder is positioned via the head screws to the upper support board, one other linear stepped motor with coder is fixed to the middle support board via one tensile spring assembly and the head screws, the middle support board and the lower support board are connected via two flexible hinge assemblies, the second crystal is mounted onto the regulating board via one other tensils spring assembly, and the two crystal holding boards are connected to the lower support board.

Description

technical field [0001] The invention relates to an angle precision fine-tuning device, in particular to a 2-dimensional angle fine-tuning device for the second crystal of a double-crystal monochromator, belonging to the mechanical field. Background technique [0002] At present, the fine-tuning method of the second crystal of the twin-crystal monochromator used in the synchrotron radiation beamline mainly adopts an adjustment device composed of a stepping motor, a screw drive, an elastic screw, and a three-point spherical stud support. The number of parts is large, the structure is relatively complex, and the precision is low, and the fine-tuning sensitivity is low. In recent years, flexible hinges have been widely used in micro-precision machinery. It has the advantages of no mechanical friction and no need for lubrication. This is very important for parts that work in high-vacuum environments like twin-crystal monochromators. The present invention will A special flexible ...

Claims

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Application Information

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IPC IPC(8): G02F1/01
Inventor 高雪官
Owner SHANGHAI JIAO TONG UNIV
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