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Vibroseis counterforce gravity center automatic adjusting system

A self-adjusting, center-of-gravity technology used in seismic energy generation, static/dynamic balance testing, machine/structural component testing, etc., to solve problems such as movement

Active Publication Date: 2021-03-19
JILIN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned existing technical solutions have the following defects: since the frame is lifted by the outriggers, it is impossible to press the weight of the entire frame on the source servo mechanism like directly lifting the vehicle body through the source servo mechanism
The biggest problem with the structure that uses the source servo mechanism to lift the car body is that when the source is generated on the slope, the frame will move to the lower side of the slope with the vibration

Method used

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  • Vibroseis counterforce gravity center automatic adjusting system
  • Vibroseis counterforce gravity center automatic adjusting system
  • Vibroseis counterforce gravity center automatic adjusting system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] An automatic adjustment system for the counterforce center of gravity of a vibrator, including a detection module, a calculation module and an adjustment module.

[0043] The detection module is an inclination sensor 7 located on the shock plate 6, and the angle between the shock plate 6 and the horizontal plane is detected by the inclination sensor 7.

[0044] The calculation module calculates and obtains the position where the center of gravity of the vehicle frame 1 needs to be adjusted by the adjustment module.

[0045] The vehicle frame 1 includes a frame body and a counterweight passing through the guide rail of the frame body. The adjustment module changes the center of gravity of the vehicle frame 1 by adjusting the counterweight to adjust the balance of the center of gravity of the mobile seismic source generator on the slope.

[0046] Such as figure 2 with image 3 As shown, when the mobile seismic source generator is used on a slope, the front of the vehic...

Embodiment 2

[0057] Such as Figure 4 As shown, a vibroseis reaction center of gravity automatic adjustment system includes a detection module, a calculation module and an adjustment module. The difference from Embodiment 1 is that the detection module includes an inclination sensor 7 (an inclination sensor 7 with more than two axes), and the inclination angle The sensor 7 outputs the angle a formed between the shock plate 6 and the horizontal plane, the pitch angle a1 (the angle between the front and rear axis of the body and the horizontal plane), and the side slip angle a2 (the angle between the left and right axis of the body and the horizontal plane).

[0058] Define the height difference between any horizontal line on the slope surface and the center of the shock plate 6 as H, in the figure:

[0059]

[0060]

[0061]

[0062] The vehicle frame 1 includes the frame body and the counterweights in the front and rear directions and the counterweights in the left and right direc...

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Abstract

The invention relates to the technical field of seismic source generators and particularly relates to a vibroseis counterforce gravity center automatic adjusting system. The vibroseis counterforce gravity center automatic adjustment system is characterized by comprising a detection module, a calculation module and an adjustment module, wherein the detection module is used for detecting an includedangle formed between the shock excitation plate and the horizontal plane; the calculation module is used for calculating the moment formed by the frame relative to the center of the shock excitationplate and the moment formed by the seismic source servo mechanism relative to the center of the shock excitation plate and obtaining the position where the gravity center of the frame needs to reach when the two moments offset each other; and the adjusting module adjusts the gravity center of the frame to the position calculated by the calculating module. The gravity center of the vehicle frame isintegrally adjusted to be in a state of counteracting the moment generated by the seismic source servo mechanism, so the movable seismic source generator cannot move downwards along the slope in thevibration process, and the movable seismic source generator can be used on the slope while the weight of the whole vehicle frame is completely pressed on the seismic source servo mechanism.

Description

technical field [0001] The invention relates to the technical field of seismic source generators, in particular to a system for automatically adjusting the counterforce center of gravity of a vibrator. Background technique [0002] The use of vibrator to artificially excite seismic waves is an important method for seismic exploration. Vibrator has super anti-interference ability. Since large-scale vibroseis and other vehicle-mounted vibrators cannot enter complex surface areas such as islands and jungles, according to actual application needs And a remote control self-propelled vibrator developed, because of the small size of the car body, small turning radius, and flexible maneuverability, it is very suitable for islands and jungle operations. Safety. [0003] In the existing mobile seismic source, a total of four reversible legs are arranged at the front and rear ends of the vehicle frame. When the source of vibration needs to be generated, the four outriggers are rotate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/09G01M1/12
CPCG01V1/09G01M1/122
Inventor 杜立志刘晨阳张晓培翟松涛
Owner JILIN UNIV
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