Bidirectional flexible supporting device with adjustable pretightening force

A technology of elastic support device and pre-tightening force, applied in the direction of spring/shock absorber, shock absorber, shock absorber, etc., to increase the contact area, increase the stiffness of the connection, and ensure the stability

Inactive Publication Date: 2013-09-11
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that most of the existing supporting devices are supported on one side and on the other side, the present invention further provides a double-sided elastic supporting device with adjustable pretightening force

Method used

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  • Bidirectional flexible supporting device with adjustable pretightening force
  • Bidirectional flexible supporting device with adjustable pretightening force
  • Bidirectional flexible supporting device with adjustable pretightening force

Examples

Experimental program
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Effect test

Embodiment Construction

[0034] Such as figure 1 , the double-sided elastic support device with adjustable preload includes two symmetrically arranged buffer units, the buffer unit includes an elastic element and an actuating element, the elastic element includes a spring 11, and the actuating element includes two central Shaft 9, stacked spring group 8, the connecting part includes two bearings 1, two support shafts 3, two retaining rings 2, two locknuts 4, two support frames 5, two couplings 7, two A locking bolt group 6, the guide part includes two sleeve covers 10 and a sleeve 12. The bearing 1 is connected with the support frame 5 through the support shaft 3 and the retaining ring 2; the support shaft 3 is connected with the support frame through a thread at one end; Loose effect; the retaining ring 2 is sleeved on the support shaft 3, which acts as a fixed bearing; the support frame 5 is mounted on the coupling 7; the upper half of the coupling 7 is slotted, and is equipped with a tight The fi...

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PUM

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Abstract

The invention relates to a bidirectional flexible supporting device with adjustable pretightening force. The bidirectional flexible supporting device is in longitudinal symmetry and comprises two supporting frames, two couplers, two central shafts, two overlaid spring sets, a sleeve, two sleeve covers, a spring and two locking bolt sets. The supporting frames are connected with the central shafts through the couplers. The height of the supporting device is slightly adjusted through rotation of the couplers. The central shafts are stepped shafts. A vertical key groove is formed in a second stepped shaft in a top-to-bottom direction. The central shafts are limited in the sleeve through the sleeve cover to slightly vibrate in a vertical direction. The sleeve covers are both connected with the sleeve through threads, and one ends of the sleeve covers are fixed after being completely screwed with the sleeve while the other ends of the same are screwed. When the bidirectional flexible supporting device is used, screwing depth can be adjusted through rotation of the sleeve covers to change compression amount of the spring, so that adjustment of the pretightening force can be realized. The bidirectional flexible supporting device is simple in structure, convenience is brought to adjustment of the pretightening force on supporting rods, supporting height can be adjusted, bidirectional supporting can be realized, and the bidirectional flexible supporting device can be applied to various supporting experiments and has high adaptability.

Description

technical field [0001] The invention relates to a bidirectional elastic support device with adjustable pretightening force, which belongs to the field of support devices. Background technique [0002] The elastic support device is mainly designed for the needs of longitudinal bending ultrasonic motor stator experiment. In addition to the full stator experiment, the longitudinal bending ultrasonic motor stator experiment also requires separate experimental analysis for each stator. At this time, other stators except the experimental stator need to be replaced by supporting devices. [0003] In order to ensure that the working state of the vibrator is the same as that of the full vibrator when the experiment is performed on a single vibrator, the support points of the vibrator and the support device are required to be on the same horizontal plane, and the support device must be able to follow the vibration of the support. , to avoid the detachment of the support from the supp...

Claims

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Application Information

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IPC IPC(8): F16F7/104
Inventor 李有光赵淳生胡百振汪意王益民吴巧云马兰雨
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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