CN114114389A - Method and system for synthesizing earth vibration - Google Patents
Method and system for synthesizing earth vibration Download PDFInfo
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- CN114114389A CN114114389A CN202111519033.3A CN202111519033A CN114114389A CN 114114389 A CN114114389 A CN 114114389A CN 202111519033 A CN202111519033 A CN 202111519033A CN 114114389 A CN114114389 A CN 114114389A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
- G01V1/181—Geophones
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/10—Aspects of acoustic signal generation or detection
- G01V2210/14—Signal detection
- G01V2210/142—Receiver location
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Abstract
The invention discloses a method for synthesizing earth vibration, which comprises the following steps: preprocessing original observation data; adjusting the initial time interval by superposing narrow-band time intervals to obtain a target earthquake motion time interval; the soil layer on the bedrock is a horizontal stratified homogeneous soil layer, and a transfer function from the bedrock to the homogeneous soil layer is obtained; obtaining a self-power spectrum density function and a cross-power spectrum density function of the homogeneous soil layer according to the transfer function of the homogeneous soil layer, synthesizing the homogeneous soil layer according to the self-power spectrum density function of the homogeneous soil layer, and calculating the seismic dynamic acceleration of the homogeneous soil layer; the invention relates to the technical field of earthquake motion detection, and discloses a method for obtaining earthquake motion acceleration of a homogeneous soil layer by multiplying a transfer function by the earthquake motion acceleration of the homogeneous soil layer. The seismic motion synthesis method ensures the stability of equipment during detection and improves the accuracy of seismic motion detection data.
Description
Technical Field
The invention relates to the technical field of earthquake motion detection, in particular to a method and a system for synthesizing earthquake motion.
Background
The seismic motion parameters characterize the physical parameters of the ground motion caused by the earthquake, including peak value, response spectrum, duration and the like. Seismic motion is ground motion caused by seismic waves released by a seismic source. It is a collection of different frequencies, different amplitudes (or intensities) over a limited time range. The characteristics of the earthquake are usually expressed in terms of three parameters, amplitude, frequency characteristics and duration.
The seismic data can not be effectively and accurately received by the existing seismic motion synthesis system, the seismic data can detect accurate data through the geophone, the traditional seismic motion geophone cannot be stably inserted into the land by the detection spike in the installation process, the angle of the detection spike entering the land can not be guaranteed, the larger the deviation of the vertical angle between the detection spike and the ground is, the lower the accuracy of the seismic motion detection data is, and the accuracy of the seismic motion synthesis is reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method and a system for earthquake motion synthesis, which solve the problems that the traditional earthquake motion detector cannot stably insert a detection spike into the ground and cannot ensure the angle of the detection spike entering the ground in the installation process, the greater the vertical angle deviation between the detection spike and the ground is, the lower the accuracy of earthquake motion detection data is, and the accuracy of earthquake motion synthesis is reduced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for synthesizing earth vibration comprises the following steps:
acquiring original observation data, wherein the original observation data comprises observation data synchronously acquired by a receiver, an accelerometer and a gyroscope, acceleration observation data, angular velocity observation data and detector monitoring data;
adjusting the initial time interval by superposing narrow-band time intervals to enable the multi-damping acceleration response spectrum and the peak displacement to respectively approach a multi-damping target acceleration response spectrum and a target peak displacement, and obtaining a target seismic oscillation time interval;
step three, acquiring a power spectral density function of the bedrock;
step four, the soil layer on the bedrock is a horizontal stratified homogeneous soil layer, and a transfer function from the bedrock to the homogeneous soil layer is obtained; obtaining a transfer function from the bedrock to the homogeneous soil layer according to the homogeneous soil layer characteristic parameters and a one-dimensional fluctuation theory;
fifthly, obtaining a transfer function from each point of the bedrock to the homogeneous soil layer according to the transfer function from the bedrock to the homogeneous soil layer, and obtaining a self-power spectral density function and a cross-power spectral density function of the homogeneous soil layer according to the transfer function of the homogeneous soil layer;
step six, synthesizing the homogeneous soil layer according to the self-power spectral density function and the cross-power spectral density function of the homogeneous soil layer to calculate the seismic dynamic acceleration of the homogeneous soil layer;
and step seven, multiplying the transfer function by the seismic dynamic acceleration of the homogeneous soil layer to obtain the seismic dynamic acceleration of the homogeneous soil layer in a non-stationary state of a time domain.
The seismic motion synthesis system comprises:
the detector is used for identifying the detection waves, the oscillations and the signals and transmitting detection information;
and the data processing unit is used for synthesizing the detection information into a complete earthquake dynamic acceleration.
Preferably, the data processing unit comprises a first obtaining module, a second obtaining module, a third obtaining module, a synthesizing module and a calculating module;
the device comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring a power spectral density function at a bedrock;
the second acquisition module is used for simplifying the soil layer on the bedrock into a horizontal stratified homogeneous soil layer to obtain a transfer function from the bedrock to the homogeneous soil layer;
the third acquisition module is used for acquiring a transfer function from each point of the bedrock to the homogeneous soil layer according to the power density function of the bedrock and the transfer function of the homogeneous soil layer, and acquiring a self-power spectral density function and a cross-power spectral density function of the homogeneous soil layer according to the transfer function of the homogeneous soil layer;
the synthesis module is used for synthesizing the homogeneous soil layer according to the self-power spectral density function and the cross-power spectral density function of the homogeneous soil layer to calculate the seismic dynamic acceleration of the homogeneous soil layer;
and the calculation module is used for multiplying the transfer function by the seismic dynamic acceleration of the homogeneous soil layer so as to realize the seismic dynamic acceleration of the homogeneous soil layer in a time domain non-stationary state.
Preferably, the wave detector comprises a processor, the bottom fixedly connected with of processor surveys the spike, the outside cover of surveying the spike is established and sliding connection has a protection sleeve section of thick bamboo, the conical head mechanism is adjusted to the bottom fixedly connected with of protection sleeve section of thick bamboo, the outside of protection sleeve section of thick bamboo just is close to the position fixedly connected with of below and slides the separation blade, slide the inside of separation blade and run through and sliding connection has the contact pin, the outside cover of surveying the spike is equipped with balanced calibration board, every the top of contact pin all rotates with balanced calibration board bottom to be connected.
Preferably, the surface of the detection spike close to the upper part is uniformly and fixedly connected with a blocking block, the periphery of the balance calibration plate close to the inner side is uniformly provided with a matching resistance groove, and the matching resistance groove and the blocking block are correspondingly arranged. The device realizes the preparation positioning in the installation process, and avoids detecting the data error of the long nail installation direction deviation.
Preferably, adjust conical head mechanism including the installation piece, the even fixed connection elasticity upset inserted sheet in bottom of installation piece, the inboard intermediate position of elasticity upset inserted sheet is provided with the regulation spout, the top sliding connection who adjusts the spout has the clearance subassembly.
Preferably, the cleaning assembly comprises a contact wiping block, a positioning sliding block is fixedly connected to the back face of the contact wiping block, and the positioning sliding block is in sliding connection with the inside of the adjusting sliding groove.
Preferably, the outer side surface of the contact wiping block is uniformly and fixedly connected with a scraper blade, and guide grooves are uniformly formed in the contact wiping block and below the scraper blade. Reduce the resistance of downward insertion in-process, the impurity of scraping simultaneously is followed the guide groove and is led to both sides, avoids scraping the impurity and piles up together and cause secondary pollution to surveying the spike.
(III) advantageous effects
The invention provides a method and a system for synthesizing earth vibration. The method has the following beneficial effects:
(1) the earthquake motion synthesis method and system preprocess original observation data, wherein the original observation data comprises observation data synchronously acquired by a receiver, an accelerometer and a gyroscope, acceleration observation data, angular velocity observation data and geophone monitoring data; the initial time interval is adjusted by overlapping the narrow-band time interval, so that the multi-damping acceleration response spectrum and the peak displacement of the initial time interval respectively approach the multi-damping target acceleration response spectrum and the target peak displacement, the target seismic motion time interval is obtained, the accuracy of seismic data acquisition is ensured, and the accuracy of seismic synthesis is improved.
(2) The bottom ends of the contact pins are contacted with the ground, the contact pins are gradually inserted into the soil along with the detection of the long nail, when the detection of the long nail is not inserted into the soil in a vertical state, the upward moving distances of the three contact pins in the sliding baffle are different, so that the balance calibration plate is not in a horizontal state, the balance calibration plate deviates to one side, when the vertical deviation angle of the detection of the long nail is larger, the inner hole wall of the balance calibration plate is contacted with the blocking block on the surface of the detection long nail, the resistance is increased, the integral downward propelling resistance of the geophone is increased, at the moment, a worker adjusts the insertion angle of the geophone according to the contact condition of the balance calibration plate and the surface of the detection long nail, the geophone can be continuously inserted into the soil downwards, the preparation positioning in the installation process is realized, the data error caused by the deviation of the installation direction of the detection long nail is avoided, and the stability of the equipment during the detection is ensured, and the accuracy of seismic motion detection data is improved.
(3) According to the earthquake motion synthesis method and system, in the contact extrusion process of the lower surface of the detection spike and the adjusting conical head mechanism, the scraper blade scrapes the surface contact below the detection spike, so that impurities on the surface of the detection spike are cleaned, the resistance in the downward insertion process is reduced, and meanwhile, the scraped impurities are guided to two sides from the guide groove, so that the secondary pollution to the detection spike caused by the accumulation of the scraped impurities is avoided.
Drawings
FIG. 1 is a flow chart of a seismic synthetic method of the present invention;
FIG. 2 is a schematic structural diagram of the seismic motion synthesis system of the present invention;
FIG. 3 is a schematic diagram of a detector according to the present invention;
FIG. 4 is a top view of the balance calibration plate of the present invention;
FIG. 5 is a schematic structural diagram of an adjusting bit mechanism according to the present invention;
FIG. 6 is a schematic view of the cleaning assembly of the present invention.
In the figure: the device comprises a processor 1, a detection spike 2, a protection sleeve 3, a cone head adjusting mechanism 4, a mounting block 41, an elastic overturning insertion sheet 42, an adjusting sliding groove 43, a clearing assembly 44, a contact wiping block 441, a positioning sliding block 442, a scraper blade 443, a guide groove 444, a sliding blocking sheet 5, a contact insertion pin 6, a balance calibration plate 7, a blocking block 8 and a matching resistance groove 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, to achieve the above object, the present invention is implemented by the following technical solutions: a method for synthesizing earth vibration comprises the following steps:
acquiring original observation data, wherein the original observation data comprises observation data, acceleration observation data, angular velocity observation data and detector monitoring data which are synchronously acquired by a receiver, an accelerometer and a gyroscope, and determining a multi-damping target acceleration response spectrum and target peak displacement;
adjusting the initial time range by superposing narrow-band time ranges to enable the seismic oscillation multi-damping acceleration response spectrum and the peak displacement to respectively approach a multi-damping target acceleration response spectrum and a target peak displacement, and obtaining a target seismic oscillation time range; obtaining the initial seismic motion time course by utilizing a trigonometric series superposition method according to the conversion relation between the power spectrum and the reaction spectrum;
the overlapping narrow-band time interval comprises constructing an increment narrow-band displacement time interval;
determining an increment correction time interval on the acceleration time interval needing to be superposed;
the increment correction time interval is superposed on the adjusted acceleration time interval to obtain a readjusted acceleration time interval, so that the readjusted peak value displacement is obtained;
step three, acquiring a power spectral density function of the bedrock;
step four, the soil layer on the bedrock is a horizontal stratified homogeneous soil layer, and a transfer function from the bedrock to the homogeneous soil layer is obtained; obtaining a transfer function from the bedrock to the homogeneous soil layer according to the homogeneous soil layer characteristic parameters and a one-dimensional fluctuation theory;
fifthly, obtaining a transfer function from each point of the bedrock to the homogeneous soil layer according to the transfer function from the bedrock to the homogeneous soil layer, and obtaining a self-power spectral density function and a cross-power spectral density function of the homogeneous soil layer according to the transfer function of the homogeneous soil layer; the calculation formula of the self-power spectral density function and the cross-power spectral density function of the homogeneous soil layer is as follows:
Sjj(ω)＝|Hj(iω)|2Sg(ω)，
wherein Sjj (ω) is used to characterize the self-power spectral density; hj (i ω) is used to characterize the transfer function; 2Sg (ω) is used to characterize the power spectral density function 2Sg (ω); s is used to characterize spectral intensity; j is used to characterize the horizontal distance, in the range; ω is used to characterize frequency; h is used to characterize the displacement vector.; i is used to characterize the imaginary units; g is used for characterizing complex stiffness of a soil layer;
Sjj(ω)＝|Hj(iω)|2Sg(ω)j＝1，2，...，n j，k＝1，2，...，n；
where Sjj (ω) is the self-power spectral density, Hj (i ω) is the transfer function, 2Sg (ω) is the complex conjugate of the transfer function,
step six, synthesizing the homogeneous soil layer according to the self-power spectral density function and the cross-power spectral density function of the homogeneous soil layer to calculate the seismic dynamic acceleration of the homogeneous soil layer;
and step seven, multiplying the transfer function by the seismic dynamic acceleration of the homogeneous soil layer to obtain the seismic dynamic acceleration of the homogeneous soil layer in a non-stationary state of a time domain.
A seismic synthesis system, the seismic synthesis system comprising:
the detector is used for identifying the detection waves, the oscillations and the signals and transmitting detection information;
and the data processing unit is used for synthesizing the detection information into a complete earthquake dynamic acceleration.
The data processing unit comprises a first acquisition module, a second acquisition module, a third acquisition module, a synthesis module and a calculation module;
the device comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring a power spectral density function at a bedrock;
the second acquisition module is used for simplifying the soil layer on the bedrock into a horizontal stratified homogeneous soil layer to obtain a transfer function from the bedrock to the homogeneous soil layer;
the third acquisition module is used for acquiring a transfer function from each point of the bedrock to the homogeneous soil layer according to the power density function of the bedrock and the transfer function of the homogeneous soil layer, and acquiring a self-power spectral density function and a cross-power spectral density function of the homogeneous soil layer according to the transfer function of the homogeneous soil layer;
the synthesis module is used for synthesizing the homogeneous soil layer according to the self-power spectral density function and the cross-power spectral density function of the homogeneous soil layer to calculate the seismic dynamic acceleration of the homogeneous soil layer;
and the calculation module is used for multiplying the transfer function by the seismic dynamic acceleration of the homogeneous soil layer so as to realize the seismic dynamic acceleration of the homogeneous soil layer in a time domain non-stationary state.
The wave detector includes treater 1, treater 1's bottom fixedly connected with surveys spike 2, the outside cover of surveying spike 2 is established and sliding connection has a protective sleeve section of thick bamboo 3, protective sleeve section of thick bamboo 3's bottom fixedly connected with is adjusted conical head mechanism 4, protective sleeve section of thick bamboo 3's outside and the position fixedly connected with who is close to the below slide separation blade 5, slide separation blade 5's inside run through and sliding connection has contact pin 6, the outside cover of surveying spike 2 is equipped with balanced calibration board 7, every contact pin 6's top all rotates with balanced calibration board 7 bottom and is connected.
The surface of the detection spike 2 close to the upper part is uniformly and fixedly connected with a stop block 8, the periphery of the balance calibration plate 7 close to the inner side is uniformly provided with a matching resistance groove 9, and the matching resistance groove 9 and the stop block 8 are correspondingly arranged. The device realizes the preparation positioning in the installation process, and avoids detecting the data error of the long nail installation direction deviation.
The adjusting conical head mechanism 4 comprises an installation block 41, the bottom end of the installation block 41 is uniformly and fixedly connected with an elastic overturning insertion sheet 42, an adjusting sliding groove 43 is arranged at the middle position of the inner side of the elastic overturning insertion sheet 42, and a clearing component 44 is slidably connected above the adjusting sliding groove 43.
The cleaning assembly 44 includes a contact wiping block 441, a positioning slider 442 is fixedly connected to a rear surface of the contact wiping block 441, and the positioning slider 442 is slidably connected to an inner portion of the adjusting slide groove 43.
The earth-vibration composite system as claimed in claim 7, wherein the contact wiper block 441 has a scraper 443 uniformly and fixedly attached to an outer surface thereof, and guide grooves 444 are uniformly formed in the contact wiper block 441 below the scraper 443. The resistance of the downward insertion process is reduced, and meanwhile, the scraped impurities are guided to two sides from the guide groove 444, so that the secondary pollution to the detection spike caused by the accumulation of the scraped impurities is avoided.
The working principle is as follows: sleeving the protective sleeve 3 outside the detection spike 2, pressing the detector downwards, keeping the detection spike 2 in a vertical state with the ground as far as possible, enabling the adjusting conical head mechanism 4 to be firstly contacted with the ground and inserted into the ground to position the detector inserted into the ground, gradually penetrating the pointed end at the bottom end of the detection spike 2 through the adjusting conical head mechanism 4 along with continuous downward pressing with continuous force, and finally inserting the detector into the ground to finish the installation operation of the detector; the bottom ends of the contact pins 6 are contacted with the ground, the contact pins 2 are gradually inserted into the soil along with the detection spike 2, when the detection spike 2 is not inserted into the ground in a vertical state, the distances of upward movement of the three contact pins 6 in the sliding separation blade 5 are different, so that the balance calibration plate 7 is not in a horizontal state, the balance calibration plate 7 deviates to one side at the moment, when the vertical deviation angle of the detection spike 2 is larger, the inner hole wall of the balance calibration plate 7 is contacted with the blocking block 8 on the surface of the detection spike 2, the resistance is increased at the moment, the integral downward pushing resistance of the detector is increased, at the moment, a worker adjusts the insertion angle of the detector according to the contact condition of the balance calibration plate 7 and the surface of the detection spike 2, the detector can be continuously inserted into the ground downwards, the preparation positioning in the installation process is realized, and the data error caused by the deviation of the installation direction of the detection spike is avoided; the below surface of surveying spike 2 with adjust the conical head mechanism 4 contact extrusion in-process, scraper blade 443 scrapes surveying spike 2 below surface contact to the impurity clearance that will survey spike 2 surface reduces the resistance of inserting the in-process downwards, and the impurity of scraping simultaneously leads to both sides from guiding groove 444, avoids scraping impurity and piles up together and cause secondary pollution to surveying the spike.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A method for synthesizing earth vibration is characterized by comprising the following steps:
preprocessing original observation data, wherein the original observation data comprise observation data, acceleration observation data, angular velocity observation data and detector monitoring data which are synchronously acquired by a receiver, an accelerometer and a gyroscope;
adjusting the initial time interval by superposing narrow-band time intervals to enable the multi-damping acceleration response spectrum and the peak displacement to respectively approach a multi-damping target acceleration response spectrum and a target peak displacement, and obtaining a target seismic oscillation time interval;
step three, acquiring a power spectral density function of the bedrock;
step four, simplifying the soil layer on the bedrock into a horizontal stratified homogeneous soil layer to obtain a transfer function from the bedrock to the homogeneous soil layer; obtaining a transfer function from the bedrock to the homogeneous soil layer according to the homogeneous soil layer characteristic parameters and a one-dimensional fluctuation theory;
fifthly, obtaining a transfer function from each point of the bedrock to the homogeneous soil layer according to the transfer function from the bedrock to the homogeneous soil layer, and obtaining a self-power spectral density function and a cross-power spectral density function of the homogeneous soil layer according to the transfer function of the homogeneous soil layer;
step six, synthesizing the homogeneous soil layer according to the self-power spectral density function and the cross-power spectral density function of the homogeneous soil layer to calculate the seismic dynamic acceleration of the homogeneous soil layer;
and step seven, multiplying the transfer function by the seismic dynamic acceleration of the homogeneous soil layer to obtain the seismic dynamic acceleration of the homogeneous soil layer in a non-stationary state of a time domain.
2. A seismic compounding system, comprising: the seismic motion synthesis system comprises:
the detector is used for identifying the detection waves, the oscillations and the signals and transmitting detection information;
and the data processing unit is used for synthesizing the detection information into a complete earthquake dynamic acceleration.
3. A seismic compounding system according to claim 2, wherein: the data processing unit comprises a first acquisition module, a second acquisition module, a third acquisition module, a synthesis module and a calculation module;
the device comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring a power spectral density function at a bedrock;
the second acquisition module is used for simplifying the soil layer on the bedrock into a horizontal stratified homogeneous soil layer to obtain a transfer function from the bedrock to the homogeneous soil layer;
the third acquisition module is used for acquiring a transfer function from each point of the bedrock to the homogeneous soil layer according to the power density function of the bedrock and the transfer function of the homogeneous soil layer, and acquiring a self-power spectral density function and a cross-power spectral density function of the homogeneous soil layer according to the transfer function of the homogeneous soil layer;
the synthesis module is used for synthesizing the homogeneous soil layer according to the self-power spectral density function and the cross-power spectral density function of the homogeneous soil layer to calculate the seismic dynamic acceleration of the homogeneous soil layer;
and the calculation module is used for multiplying the transfer function by the seismic dynamic acceleration of the homogeneous soil layer so as to realize the seismic dynamic acceleration of the homogeneous soil layer in a time domain non-stationary state.
4. A seismic compounding system according to claim 2, wherein: the detector comprises a processor (1), the bottom fixedly connected with of processor (1) surveys spike (2), the outside cover of surveying spike (2) is established and sliding connection has a protective sleeve section of thick bamboo (3), the bottom fixedly connected with of protective sleeve section of thick bamboo (3) is adjusted conical head mechanism (4), the outside of protective sleeve section of thick bamboo (3) just is close to the position fixedly connected with of below and slides separation blade (5), the inside of sliding separation blade (5) runs through and sliding connection has contact pin (6), the outside cover of surveying spike (2) is equipped with balanced calibration board (7), every the top of contact pin (6) all rotates with balanced calibration board (7) bottom to be connected.
5. A vibroseis synthesis system according to claim 4, wherein: the surface of the detection spike (2) close to the upper part is uniformly and fixedly connected with a blocking block (8), the periphery of the balance calibration plate (7) close to the inner side is uniformly provided with a matching resistance groove (9), and the matching resistance groove (9) and the blocking block (8) are correspondingly arranged.
6. A vibroseis synthesis system according to claim 5, wherein: adjust conical head mechanism (4) including installation piece (41), the even fixed connection in bottom of installation piece (41) has elasticity upset inserted sheet (42), the inboard intermediate position of elasticity upset inserted sheet (42) is provided with adjusts spout (43), the top sliding connection who adjusts spout (43) has clearance subassembly (44).
7. A seismic compounding system according to claim 6, wherein: the cleaning assembly (44) comprises a contact wiping block (441), a positioning sliding block (442) is fixedly connected to the back surface of the contact wiping block (441), and the positioning sliding block (442) is in sliding connection with the inside of the adjusting sliding groove (43).
A seismic compounding system according to claim 7, wherein: scraper blades (443) are uniformly and fixedly connected to the outer side surface of the contact wiping block (441), and guide grooves (444) are uniformly formed in the contact wiping block (441) and below the scraper blades (443).
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3617746A (en) * | 1967-07-10 | 1971-11-02 | Dresser Ind | Dual detector-compensated density well-logging system |
| CN1755189A (en) * | 2001-06-18 | 2006-04-05 | 永备电池股份有限公司 | Outdoor lighting device |
| CN101697014A (en) * | 2009-10-23 | 2010-04-21 | 中国地震灾害防御中心 | Earthquake motion synthesis method and system |
| US20160187524A1 (en) * | 2014-12-29 | 2016-06-30 | Avraham Suhami | Method and apparatus for mapping the underground soil |
| CN209339115U (en) * | 2018-09-03 | 2019-09-03 | 浙江中正岩土技术有限公司 | A kind of device based on solar powered measurement settlement of foundation |
| CN210514648U (en) * | 2019-11-20 | 2020-05-12 | 邓盛波 | Hanging device for aerial geophysical prospecting gradient measurement |
| CN111594077A (en) * | 2020-05-22 | 2020-08-28 | 孙学巍 | Drilling deviation prevention device for geotechnical engineering investigation and using method |
| CN111811704A (en) * | 2020-07-24 | 2020-10-23 | 辽宁工程技术大学 | Mining area ground layer landslide early warning system that disintegrates |
| CN112069569A (en) * | 2020-08-07 | 2020-12-11 | 华中科技大学 | Multipoint earthquake motion synthesis method and system |
| CN213040195U (en) * | 2020-09-02 | 2021-04-23 | 天津瑞丰源科技有限公司 | Detachable thing networking environmental information collection system |
| CN213274272U (en) * | 2020-11-02 | 2021-05-25 | 王鹏 | Self-luminous marker post for engineering survey |
| CN113439607A (en) * | 2021-08-05 | 2021-09-28 | 马建 | Ornamental trees and shrubs fixing device convenient to installation |
-
2021
- 2021-12-13 CN CN202111519033.3A patent/CN114114389B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3617746A (en) * | 1967-07-10 | 1971-11-02 | Dresser Ind | Dual detector-compensated density well-logging system |
| CN1755189A (en) * | 2001-06-18 | 2006-04-05 | 永备电池股份有限公司 | Outdoor lighting device |
| CN101697014A (en) * | 2009-10-23 | 2010-04-21 | 中国地震灾害防御中心 | Earthquake motion synthesis method and system |
| US20160187524A1 (en) * | 2014-12-29 | 2016-06-30 | Avraham Suhami | Method and apparatus for mapping the underground soil |
| CN209339115U (en) * | 2018-09-03 | 2019-09-03 | 浙江中正岩土技术有限公司 | A kind of device based on solar powered measurement settlement of foundation |
| CN210514648U (en) * | 2019-11-20 | 2020-05-12 | 邓盛波 | Hanging device for aerial geophysical prospecting gradient measurement |
| CN111594077A (en) * | 2020-05-22 | 2020-08-28 | 孙学巍 | Drilling deviation prevention device for geotechnical engineering investigation and using method |
| CN111811704A (en) * | 2020-07-24 | 2020-10-23 | 辽宁工程技术大学 | Mining area ground layer landslide early warning system that disintegrates |
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