427results about "Seismic energy generation" patented technology

The invention relates to the technical field of data processing, and discloses an environment detection analysis method and system based on a simulation micro-motion signal excitation generator. The method comprises the following steps: generating a vertical vibration signal through an integrated structure of a constant-resistance vibration exciter and a special coupling base; performing multi-band signal excitation and station arrangement according to the frequency parameter combination; filtering and normalizing the original signal, and calculating a spatial autocorrelation coefficient; a frequency dispersion curve is extracted through an SPAC method; inverting an underground S-wave velocity structure by using a divergence genetic algorithm; and analyzing the speed abnormal region by adopting an edge detection algorithm, and determining the position and state of the box culvert body. According to the invention, high-precision non-destructive detection of the buried power pipeline box culvert body is realized in an urban complex underground environment.

The invention discloses an urban karst water guide channel detection system and method based on earthquake Krauklis waves. The urban karst water guide channel detection system comprises a piezoelectric type vibroseis, an array type earthquake receiving system and a multi-wave seismograph. The piezoelectric vibroseis is used for exciting seismic waves; and the multi-wave seismograph is used for acquiring seismic data acquired by each seismic acceleration sensor in the array type seismic receiving system. The structure can ensure the precision of seismic wave data acquisition each time; separating and extracting Krauklis waves from the acquired seismic wave data by adopting an energy-frequency double-selection method; then, based on the frequency dispersion characteristic of Krauklis waves, a mapping model of crack opening and wave field response is established; and finally, determining the opening degree of the urban karst water guide channel according to the mapping model, and performing inversion to obtain the dynamic flow of the urban karst water guide channel. Through treatment in the mode, the opening degree and the dynamic flow of the urban karst water guiding channel can be monitored, and finally prevention and control over hidden geological disasters are effectively improved.

The invention discloses an S-wave seismic phase first arrival identification method based on actually measured blasting-induced particle vibration signals, and relates to the field of negative effect monitoring and safety evaluation of blasting vibration induced by rock blasting excavation, and the method comprises the steps: determining a blasting scheme based on a scanning result; arranging a blasting vibration sensor; acquiring actual measurement waveforms of blasting vibration at different blasting center distances; constructing an S-wave seismic phase first arrival recognition function; and obtaining the first arrival moments of the S-wave seismic phases of the actually measured vibration waveforms at different explosion center distances. Compared with the prior art that the recognition precision of the S wave of the blasting vibration signal under the engineering scale is low and the like, by comprehensively utilizing the differences of the S wave, a noise signal, a P wave and a P wave tail wave in the aspects of energy, frequency, polarization characteristics and the like, recognition parameters such as the ratio of transverse energy to total energy, the polarization degree and the deflection angle are introduced, and the transverse energy serves as a weight coefficient; an S-wave recognition function suitable for actual measurement of blasting vibration is provided, and the technology has the advantages of small recognition error, high efficiency and the like.

The invention relates to the field of underground multi-physics field monitoring, in particular to an intelligent well completion underground multi-parameter fusion monitoring system, which comprises a functional casing acquisition module, an acoustic-electric-magnetic excitation module, an acoustic-electric-magnetic excitation module and a multi-parameter fusion monitoring module, wherein the functional casing acquisition module is integrated with a strain sensing element, a temperature sensing element, a stress sensing element and a resistivity sensing element; a double-domain inversion fusion module based on a multi-physics field equation and a graph time sequence causal network; the edge closed-loop regulation and control module adopts entropy modulation dual strategy reinforcement learning; and the communication interface has time slot encryption and version verification functions. According to the method, second-level data alignment, minute-level adaptive regulation and control and hour-level global optimization are realized, the crack conductivity is improved, the energy consumption is reduced, and yield increase and well completion integrity are considered.

An apparatus, system and method are disclosed for two-dimensional (2D) and three-dimensional (3D) imaging including ultrasonic imaging and treatment of tissue micropathology within a body. An apparatus may include two or more arrays of ultrasonic transducers with a volume of tissue or other region or object between the arrays. Groups of elements in the first array are pulsed together, with the pulses time-delayed (phased) to create ultrasonic or electric beam patterns that focus the beam energy through the tissue, region or object onto individual elements of the second array. Computed tomography (CT) techniques process the signals to reconstruct a 2D or 3D structure. Micropathology within a tissue may be treated by transmitting pulses from both arrays, by pulsing groups of elements together, and / or by phasing the pulses to focus on and ablate the region of micropathology.

The invention is suitable for the technical field of coal seam seismic exploration, and particularly relates to a coal seam seismic exploration acquisition method and system, and the method comprises the steps: delimiting an exploration region where a coal seam earthquake needs to be carried out, dividing the exploration region into a mined region and an unmined region, obtaining a daily mining task in the mined region, and positioning a blasting point location; the unmined area is divided into a plurality of levels, the deployment position of an optical fiber sensor is positioned, the linear distance between the deployment position and a blasting point position is calculated, mapping between the linear distance and the deployment density is established, look-up tables are constructed, each level corresponds to one look-up table, and each look-up table corresponds to a blasting point position; the lookup table is composed of a linear distance item and a deployment density item. According to the method, the coal seam earthquake can be quickly acquired by generating the snapshot, so that the speed and the precision of coal seam seismic exploration can be greatly improved, and the safety management and the resource utilization of an exploration area can be greatly optimized.

The invention discloses a mountain electromagnetic ejection exploration seismic source device and an acceleration method thereof.The mountain electromagnetic ejection exploration seismic source device comprises a crawler walking device and a seismic source device, the crawler walking device comprises a crawler chassis, a hydraulic oil pump and an engine, and a working table is installed on the crawler chassis; a hydraulic oil pump for providing power for the crawler chassis and an engine for providing power for the hydraulic oil pump are installed at one end of the working table top, and a seismic source device for controlling the impact speed through an electromagnetic ejection device is installed at the other end of the working table top. The device can generate high-energy seismic waves, the energy of the seismic waves can be adjusted, the working efficiency is high, and the device adapts to the mountain working environment.

The invention provides a high-position rock landslide starting identification method and device under the earthquake action, and relates to the technical field of rock mechanics, and the method comprises the steps: S1, building a high and steep slope numerical model through an exploration data set; s2, applying a strong shock load to the bottom of the high and steep slope numerical model to obtain a velocity field and a stress field of the high and steep slope numerical model; s3, carrying out earthquake fracturing mechanism analysis on the velocity field and the stress field, and constructing a high-position rock mass fracture network; s4, dynamically retrieving a closed loop in the high-position rock mass fracture network, if not, returning to the step S3, and otherwise, entering the step S5; s5, carrying out high-position rock mass sliding stability analysis on the potential instability area defined by the closed loop under the action of strong shock, and calculating to obtain a dynamic stability coefficient; and if the dynamic stability coefficient is greater than a preset value, judging that the high-position rock mass landslide is started, otherwise, returning to the step S3. The method systematically understands the starting condition of the earthquake-induced high-position rock landslide from the perspective of mathematical mechanics, so that the prediction of the high-position rock landslide is more accurate.

The invention discloses a shot point arrangement method. The method comprises the following steps: acquiring a work area in which shot points are to be arranged and theoretical shot points in the work area; creating a first grid in the work area according to a preset size to obtain a plurality of grid points; screening out a first grid point which can be used as a candidate shot point according to the gradient of each grid point and the position of each grid point in the work area; constructing a second grid by taking each theoretical shot point as a center; and one first grid point is selected from each second grid to serve as a target shot point. The invention further discloses a system, computer equipment and a readable storage medium. According to the scheme provided by the invention, the difficulty of field construction of shot points is reduced while obstacles in a work area can be avoided, gridding uniform distribution of the shot points in the work area is realized, uniformity of surface element attributes of an observation system is ensured, and the quality of three-dimensional seismic acquisition data can be improved.

The utility model relates to the technical field of electric spark sources, in particular to a portable electric spark source which comprises an input power supply, a central control box, an upper computer and an exciter, and a source system is arranged in the central control box; the seismic source system comprises a voltage detection module, a high-voltage power supply module, an energy storage module and a high-voltage switch module. The input power supply is electrically connected with the high-voltage power supply module, the voltage detection module and the high-voltage switch module respectively; the high-voltage power supply module is electrically connected with the voltage detection module, the upper computer, the energy storage module and the high-voltage switch module, and the high-voltage switch module is electrically connected with the energy storage module and the exciter. According to the portable electric spark source, the high-voltage power supply and the high-voltage switch are integrated, so that the size and the weight of equipment are remarkably reduced, and the portability is improved.

The invention discloses a dam disease three-dimensional nondestructive detection method, a storage medium and computer equipment, and relates to the technical field of geophysical detection.The dam disease three-dimensional nondestructive detection method mainly comprises the steps that a seismic source and a detector are used for detecting a target dam to obtain seismic data; obtaining first arrival travel time by using an improved self-correlation constraint energy ratio method, constructing an underground medium wave impedance initial model by using a back projection algorithm, performing forward modeling calculation to obtain theoretical travel time, and correcting an average slowness value in each grid by using a joint iteration method to obtain a corrected underground medium wave impedance model; and stopping iteration when the iteration is ended to obtain a dam disease three-dimensional nondestructive detection result. By implementing the dam disease three-dimensional nondestructive detection method, the storage medium and the computer equipment provided by the invention, the position of a dam hidden danger can be quickly, efficiently and accurately detected.

The invention discloses a blasting seismic source excitation control method and system based on environmental factors and electronic equipment, and relates to the technical field of seismic exploration. The method comprises the following steps: constructing a blasting performance model and loading the blasting performance model to a core calculation unit; a sensor is deployed in the blasting area, an environment sensing array is obtained, and a wireless communication link between the environment sensing array and the core computing unit is constructed; after the environment sensing array returns real-time environment factors, the core calculation unit starts the blasting performance model for analysis and outputs a control adjustment value; evaluating the adjustment value and optimizing and correcting based on an evaluation result to obtain a real-time blasting parameter; and the real-time blasting parameters are adopted to carry out focus excitation adjustment control. The technical problem that the blasting effect is not ideal due to the fact that blasting source excitation control cannot adapt to complex environment changes in real time in the prior art is solved, and the technical effect of improving the stability and adaptability of the blasting effect is achieved by obtaining environment factors in real time based on the environment sensing array and conducting intelligent adjustment in combination with the blasting performance model.

The invention discloses a tunnel blasting damage rapid measurement method and system based on a wall-climbing robot, and the method comprises the following steps: S1, laying a three-dimensional optical fiber network, recording the coordinates of each section of optical fiber, and building a mapping relation between an optical fiber node and a space coordinate position; s2, constructing an initial three-dimensional wave velocity model of the tunnel rock mass; s3, correcting the velocity fields of the reflected wave and the winding wave to obtain an optimized wave velocity model; s4, exciting artificial seismic sources at a plurality of positions in the tunnel through a wall-climbing robot with an electromagnetic vibration exciter, and performing data acquisition by a DAS system through an optical fiber network; s5, processing the data acquired in the step S4, carrying out wavelength separation on the reflected wave and the diffracted wave, and respectively carrying out migration imaging on the reflected wave and the diffracted wave after classification; and S6, fusing imaging results of the reflected wave and the diffracted wave through a weight coefficient, and generating a comprehensive geologic model.

The invention belongs to the technical field of oil-gas exploration and development, and particularly relates to a method and a device for calculating physical properties of gypsum sandstone and a storage medium, the method comprises the following steps: S1, acquiring logging data of a target well section, establishing a first model of the target well section, and calculating to obtain porosity # imgabs0 #; if so, executing the step S3; if not, the permeability of the target well section is calculated, and the porosity # imgabs1 # and the permeability are determined as the porosity and the permeability of the target well section; s3, block gypsum in the first model is removed, a second model of the target well section is established, and the porosity and the permeability are calculated; and S4, the permeability K of the target well section is calculated, and the porosity # imgabs2 # and the permeability K serve as the porosity and the permeability of the target well section. According to the method, physical property calculation of the lump sandstone is realized, the accuracy of physical property calculation of the lump pasty sandstone is improved, and an important technical support is provided for later well completion and oil reservoir modeling.

The invention belongs to the technical field of seismic exploration, and particularly relates to a coal mine underground hydraulic hammering type controllable seismic source vehicle device. The device comprises a crawler, a rotating platform and a hydraulic hammering system, the rotating platform, a four-column type lifting hydraulic support installed on the rotating platform and a hydraulic support in the hydraulic hammering system are hydraulically controlled, and the hydraulic hammering system can conduct 360-degree horizontal rotation, height stepless adjustment and horizontal stretching and retracting. And meanwhile, the crawler-type vehicle body and remote control operation are adopted, so that the crawler-type underground coal mine hammering vehicle is suitable for a complex walking environment in an underground coal mine, and the construction efficiency and the safety are improved.

A method can include receiving seismic data of a subsurface region; performing an iterative full waveform inversion using at least a portion of the seismic data to generate a model of the subsurface region, where the performing includes, after one or more iterations of the full waveform inversion, automatically selecting one or more parts of the seismic data for inclusion in the at least a portion of the seismic data based on data classification using one or more quality attributes; and outputting the model of the subsurface region.

The invention discloses a monitoring system and method for determining an abnormal geologic body based on distributed optical fiber sound wave vibration, and relates to the technical field of distributed optical fiber sound wave detection.The monitoring system comprises a distributed optical fiber sensing unit, a signal excitation unit, a photoelectric demodulation unit, a signal processing and analyzing unit, a result recording and outputting unit and the like; the distributed optical fiber is used for continuously collecting stratum vibration response; the signal excitation unit applies controllable disturbance to a known reference position to induce a potential abnormal geologic body to generate an inactive excitation response signal; the photoelectric demodulation unit performs phase demodulation on backscattered light transmitted back by the optical fiber to form distributed vibration measurement data; and the signal processing and analyzing unit is used for filtering and denoising the data, establishing a quantitative mathematical model of a signal incident angle and signal intensity, solving an epicentral distance and an incident angle and calculating the spatial position of an abnormal geologic body by combining propagation attenuation correction and least square inversion, and is suitable for dangerous section identification and avoidance decision before mining and construction.

The invention discloses an electric spark source multi-wave micro-logging system and method, and relates to the technical field of seismic exploration, in particular to an electric spark source multi-wave micro-logging system which comprises a cable, a transverse wave converter, a seismic recorder, an electric spark source, a first three-component detector, a second three-component detector and a longitudinal and transverse wave data processing system. An electric spark electrode column is longitudinally arranged in an inner cavity of the transverse wave converter; after being started, the electric spark source discharges through an electric spark electrode column, water molecules at the position where the electric spark electrode column is located are electrolyzed to generate gas through discharging of the electric spark electrode column, the gas impacts a stratum to generate seismic waves, and a first three-component detector and a second three-component detector receive and record seismic wave signals and transmit the seismic wave signals to a longitudinal and transverse wave data processing system; the depth of the transverse wave converter and the depth of the electric spark electrode column are increased by pulling the mooring rope, so that the electric spark electrode column can excite a seismic source at a plurality of observation points, and the purpose of exciting the seismic source for multiple times is achieved.

The invention provides a sandstone type uranium mine seismic exploration device and method, and the device comprises a plurality of artificial seismic sources and a plurality of detectors which are disposed on the ground surface of a detected region. The detector comprises at least three detection units. Each detection unit comprises a support, a fixing piece, a detection piece and a guide rail. The fixing piece is connected with the support, the guide rail is connected with the support, the detection piece is movably connected with the guide rail, the fixing piece is parallel to the detection piece, and the orthographic projection of the fixing piece and the orthographic projection of the detection piece are overlapped in the thickness direction of the detection piece. The earth surface grid is used for separating the earth surface of the measured area along the first reference direction and the second reference direction; the surface grid comprises a plurality of grid nodes; the artificial seismic sources are arranged on the grid nodes in an array mode in the first reference direction and the second reference direction, and a plurality of grid nodes are arranged between every two adjacent artificial seismic sources; and the detectors are arranged at the other grid nodes. The accuracy of the exploration result can be improved.

The present application relates to the technical field of seismic exploration. Disclosed are a synchronous excitation method and apparatus for controlled seismic sources. The method comprises: loading multiple frequency-divided scanning signals into different controlled seismic sources multiple times, so as to obtain multiple controlled seismic source groups, wherein controlled seismic sources in each controlled seismic source group correspond to the frequency-divided scanning signals on a one-to-one basis; controlling the multiple controlled seismic source groups to sequentially excite scanning according to a first time interval threshold value in a target region, wherein the multiple controlled seismic sources in each controlled seismic source group are synchronously excited, the excitation time interval of different controlled seismic source groups is the first time interval threshold value, and the first time interval threshold value is determined on the basis of the degree of harmonic interference between different frequency-divided scanning signals and a first distance threshold value; and using seismic data collected by each controlled seismic source group and a synthetic reference signal to perform correlation processing, so as to obtain multiple pieces of correlated seismic single-shot data, wherein the synthetic reference signal is synthesized by means of vertically superimposing the multiple frequency-divided scanning signals. The present application can reduce aliasing noise in seismic data.

The invention belongs to the technical field of excitation detection, and provides a movable seismic source system carried by a deep mine heading machine and a positioning excitation detection method, which are characterized in that the excitation time delay of each seismic source unit in an array is accurately controlled by utilizing a controllable seismic source, so that the seismic source units form synchronous superposition in a specific direction, and the detection of an active source is realized; in the aspect of passive source detection, vibration generated when the jumbolter cuts surrounding rock is used as a vibration source, a pilot sensor installed near an anchor rod drill is used for recording an original vibration signal, namely cutting vibration, when the jumbolter works, and signals collected when the jumbolter works and signals collected by the pilot sensor are subjected to cross-correlation processing, so that the original vibration signal is obtained. And reconstructing a virtual seismic source, and then carrying out data processing and passive source imaging. And the active source detection result and the passive source detection result are combined to interpret the unfavorable geologic body, so that the detection of the position is realized, and the geological interpretation of the whole space of the mine can be realized.

The utility model relates to the field of road void area detection, in particular to a mechanical vibration source for detecting a road void area, which comprises a rectangular bottom plate, the top of the bottom plate is fixedly connected with a supporting plate, and one side of the supporting plate is fixedly connected with a rectangular plate. When the device is used, the driving motor drives the rotating rod to rotate, the rotating rod drives the tooth-missing gear to rotate, the tooth-missing gear drives the transmission teeth to move upwards, the transmission teeth drive the sliding rod to slide upwards, when the rotating rod rotates to the tooth-missing side of the tooth-missing gear, the sliding rod falls, the impact block impacts the ground, and then the tooth-missing gear continues to rotate; the second transmission rod drives the first transmission rod to move upwards, the second transmission rod drives the sliding rod to move upwards, one side, with teeth, of the tooth-missing gear continuously drives the transmission teeth to move upwards, collision detection continues, manual hammering is not needed, the collision strength is uniform, and the road can be accurately and rapidly detected.

The invention relates to the technical field of coal seam inversion and imaging, in particular to a reflection channel wave imaging method and system considering the layering attenuation characteristic of a thick coal seam, and the method comprises the steps: constructing a coal seam layering geologic model, setting the initial wave velocity and initial quality factor of each layer, and forming an initial parameter field; setting an artificial seismic source and a plurality of detection points, exciting a seismic source signal at the artificial seismic source, recording seismic source information, and collecting a seismic wave response signal of each detection point; performing forward modeling by using a fractional order viscoelastic wave equation considering a spatial variable quality factor; carrying out full waveform inversion to obtain an inversion model; and on the basis of the inversion model, a level set function and a self-adaptive grid division strategy are adopted to express a barrier boundary in the coal seam to execute pre-stack wave field separation reverse time migration imaging, and a coal seam structure image is generated. The method can significantly improve the imaging resolution and calculation efficiency of the coal seam structure, and achieves the high-precision recognition of the boundary of the obstacle.

The invention discloses a vibroseis synchronous excitation method and device, and relates to the technical field of seismic exploration, and the method comprises the steps: loading a plurality of frequency division scanning signals into different vibroseis for many times, obtaining a plurality of vibroseis groups, and enabling the vibroseis in each vibroseis group to be in one-to-one correspondence with the frequency division scanning signals; the plurality of vibroseis groups are controlled to sequentially excite and scan in the target area according to a first time interval threshold value, the plurality of vibroseis in each vibroseis group are synchronously excited, and the excitation time interval of different vibroseis groups is the first time interval threshold value; the first time interval threshold value is determined according to the harmonic interference degree between different frequency division scanning signals and the first distance threshold value; performing correlation processing by using the seismic data acquired by each vibroseis group and the synthesized reference signal to obtain a plurality of correlated seismic single shot data; and the synthetic reference signal is formed by vertically superposing and synthesizing a plurality of frequency division scanning signals. According to the invention, the seismic data aliasing noise can be reduced.

The present invention discloses an excitation method for efficient seismic data acquisition based on time and distance intervals. The method comprises the following steps: constructing a first boundary surface model for zero attenuation of the surface wave aftershocks of the preceding shot based on the records of the shot detection points and the minimum time interval at which the shot point near-track background decays to random noise; calculating the distance between the preceding and succeeding shots using a formula for catching up with the surface wave of the preceding shot based on the length of the detector point arrangement; and constructing a second boundary surface model for catching up with the surface wave of the preceding shot based on the linear relationship between the distance between the preceding and succeeding shots and the time interval between the preceding and succeeding shots; using the overlapping area of the two boundary surface models as the non-interference excitation area of the shot point, the non-interference excitation area encompassing the corresponding non-interference time-distance intervals of all preceding and succeeding shots; and performing shot excitation and acquiring seismic data. The present invention not only overcomes the interference of the preceding shot aftershocks on the succeeding shot, but also eliminates quality risks and can improve blasting efficiency by 20-40%.

The invention relates to the technical field of karst soil cave detection, in particular to a vibration alarm device for karst soil cave collapse early warning, which comprises a mounting top plate, a vibration box and an elastic fixing assembly, and is characterized in that the elastic fixing assembly is fixedly locked and mounted on the lower side of the mounting top plate and is used for movably connecting the vibration box; the upper conical spring and the lower conical spring are oppositely arranged, and the vibration sensor is fixed in the middle, so that the vibration force transmitted by the elastic fixing assembly on the mounting top plate is improved, the elastic vibration amplitude of the vibration sensor in the vibration box is improved, efficient detection is realized, and the early-stage micro-vibration signal detection rate of collapse can be improved; meanwhile, the vibration box is elastically connected through the elastic fixing assembly, the multi-direction vibration or shaking effect of the vibration box can be improved, and the vibration box of different sizes and models can be adaptively installed through the elastic fixing assembly.

The invention discloses an ionic rare earth ore leaching liquid flow direction dynamic monitoring method based on cooperation of an active seismic source and a distributed optical fiber, and belongs to the technical field of ionic rare earth ore mining. The method comprises the following steps: determining a layout scheme of an active seismic source and a distributed optical fiber network; arranging a corresponding active seismic source and a distributed optical fiber network; exciting the active seismic source array to collect a rock-soil body background signal; injecting liquid through the liquid injection pipeline, and emitting elastic seismic waves with preset frequency and amplitude through the active seismic source; the distributed optical fiber network collects a strain fluctuation signal and an active seismic source response signal in real time; carrying out real-time signal data preprocessing and feature extraction; carrying out data processing to realize wave velocity-strain field joint inversion; and comprehensively analyzing to obtain the diffusion direction of the leaching solution. According to the method, reference is provided for scientific arrangement of liquid collecting systems such as horizontal drill holes and liquid collecting roadways, the recovery rate of the mother liquid in the ore leaching process is further increased, and pollution to the environment due to the fact that the ore leaching liquid permeates into underground water is reduced.

The invention discloses a high-density cross-hole elastic wave CT (Computed Tomography) method and device, relates to the technical field of intelligent processing of engineering geological image achievements, and aims to measure the depths of two drill holes and determine the depth range and the detection precision of a detection profile. Determining the number and positions of excitation probes and receiving probes required by the cross-hole seismic wave CT based on the depth range of the detection profile and the detection precision; and the excitation probes are hung on the multiple excitation probe hanging positions of the first mooring rope. According to the high-density cross-hole elastic wave CT method and device, a plurality of excitation probes and receiving probes are designed, any number of probes can be connected with one another and combined into a string, a plurality of corresponding receiving probes are arranged, and the method and device have the advantage that the probes can be connected with one another and combined into a string. In actual work, a proper number of probes can be selected to work cooperatively according to the drilling depth or the position of a target detection area, efficient data collection is achieved, and meanwhile human interference factors are fewer.

The invention relates to a shear wave seismic source excitation device based on high-pressure gas explosion and an application method of the shear wave seismic source excitation device. The first cover plate and the second cover plate are arranged at the two ends of the accelerating tube and used for sealing the accelerating tube, and an igniter connecting hole and a gas injection hole are formed in the first cover plate; the detonation tube is arranged in an inner cavity of the accelerating tube, and one end of the detonation tube is fixedly connected with the first cover plate; the third cover plate is arranged at the other end of the detonation tube and used for sealing the detonation tube, the area of the third cover plate is smaller than the cross sectional area of the accelerating tube, and the detonation tube has the advantages of being strong in transverse wave signal, environmentally friendly, good in economical efficiency and good in field adaptability. The problems that a transverse wave source is easily limited by the driving capacity and the ground coupling efficiency and the field operation capacity is poor are solved.

The invention belongs to the technical field of source vehicle corollary equipment, and particularly relates to a drop hammer source anti-secondary excitation device, which comprises an anti-secondary excitation body, the anti-secondary excitation body comprises a controller and a mounting plate, the mounting plate is provided with a mounting hole, the mounting plate is fixedly mounted on a source vehicle, and the controller is connected with the controller. A clamping assembly used for clamping a drop hammer is installed on the installation plate, a sound sensor used for detecting sound is installed on the installation plate, through the sound sensor and a controller, the clamping assembly is triggered to clamp the drop hammer, signal interference caused by secondary excitation of the drop hammer is blocked, and the accuracy and reliability of exploration data acquisition are ensured. Meanwhile, the workload and difficulty of subsequent seismic wave signal processing are greatly reduced, and the blank in the prior art is filled.