28 results about "Single impact" patented technology

The invention relates to the technical field of testing, and particularly discloses a drop hammer type dynamic deformation modulus testing device and method, and the device comprises a measuring unit which is used for measuring the dynamic deformation modulus data during the impact of an impact hammer; the load guiding unit is used for periodically releasing the impact hammer to the impact platform; the lifting unit is used for continuously conveying the impact hammer at the releasing end of the load guiding unit to the throwing end of the load guiding unit; the unloading unit is used for transferring the impact hammer at the release end of the load guide unit to the input end of the lifting unit; the loading unit is used for transferring the impact hammer at the output end of the lifting unit to the throwing end of the load guiding unit; the released impact hammer is continuously lifted to the throwing end of the load guide unit by using the continuously moving lifting piece, so that continuous throwing of the impact hammer can be realized, and compared with a traditional operation process of reciprocating releasing and lifting of a single impact hammer, the dynamic deformation modulus testing efficiency can be effectively improved.

The impact breaking device belongs to the field of mine mechanical equipment, and aims to solve the problems of the existing impact breaking device. The impact breaking device comprises a shell, a lifting-releasing device, a spring device and an impact head. The upper end of the spring device is connected with the shell, the lower end of the spring device is in abutment with the impact head, the top of the shell is provided with the lifting-releasing device, the impact head is located at the lower end of the shell, the impact head is connected with the lifting-releasing device through a plurality of pull rods, the lifting-releasing device cyclically lifts and releases the impact head, when the lifting-releasing device lifts the impact head, the impact head moves upward to compress the spring device, when the lifting-releasing device releases the impact head, the spring device rebounds to push the impact head to downward impact and work. The impact breaking device can be loaded on a smaller power excavator, and can provide larger single impact energy. The investment of large excavators is reduced, and energy saving and environmental protection are achieved.

The invention discloses a method for predicting accumulation of multiple hail impact damages of a composite radome, and belongs to the technical field of composite mechanics and structural mechanics. The method comprises the following steps: firstly, establishing a hail model by adopting a smoothed particle hydrodynamics (SPH) method so as to accurately simulate the impact crushing behavior of the hail model; secondly, performing refined finite element modeling on the composite panel and the honeycomb sandwich structure of the radome, and introducing a progressive damage evolution model based on a Hashin criterion and fracture energy; the core of the method is that a stress field, a damage variable and a deformation field which are obtained by previous impact simulation are used as initial conditions to be imported into subsequent impact analysis, so that accurate transmission of a damage state under multiple impacts and real simulation of an accumulation process are realized. According to the method, the problems that the damage history cannot be reflected by traditional single-time impact analysis, the grid dependence is high and the like are effectively solved, the accuracy and efficiency of multi-time impact damage prediction can be remarkably improved, and a reliable tool is provided for achieving anti-impact design and life evaluation of the radome.

This utility model relates to an impact test frame for preventing secondary impacts, comprising a stand, a crossbar, and an anti-secondary impact component. A fixed frame is mounted on the stand, and a photovoltaic module is placed on the fixed frame. A test component and an adjustment component are located at the lower end of the crossbar. The test component includes a test line and a pendulum ball connected to the bottom end of the test line. The adjustment component is connected to the pendulum ball via a locking component to adjust the release height of the pendulum ball. The anti-secondary impact component includes an anti-collision cylinder and an anti-collision line located at the upper end of the crossbar. One end of the anti-collision line is connected to the piston rod end of the anti-collision cylinder, and the other end is connected to the pendulum ball. When the pendulum ball completes its first impact and begins to swing back, the anti-collision cylinder immediately contracts, actively pulling and braking the pendulum ball through the anti-collision line, preventing the possibility of secondary impacts on the photovoltaic module. This eliminates interference with the test results caused by multiple inertial impacts, improves the accuracy and reliability of the impact resistance test, and ensures that the test data truly reflects the performance of the photovoltaic module under a single impact.

The invention relates to the technical field of data processing, in particular to a large shield tunneling machine cutter optimization design method utilizing a finite element model. The technical problem that model selection and design of a cutter in a current composite stratum cannot meet terrain requirements is solved. The method comprises the following steps: determining formation resistance torque and formation resistance space change rate of each sector of a cutterhead, and determining vertical bearing capacity borne by a cutter in each sector; and determining the vertical intrusion rate of each position in each sector based on the cutting linear velocity at the position of the cutterhead and the formation resistance space change rate. Querying a single impact damage index from the impact damage characteristic database based on the vertical bearing capacity, the vertical invasion rate and the blade shape geometric parameters; the impact damage characteristic database is pre-established by utilizing finite element simulation; determining a dynamic damage index based on the single impact damage index; and optimizing the cutter at each position on the cutter head according to the dynamic damage index.

The invention discloses a high-speed hammer forging device, and relates to the technical field of hammer forging equipment. The device comprises a rack, a working cylinder is arranged at the top of the rack, a working piston is slidably connected to the interior of the working cylinder, a hammer head is fixedly connected to the bottom of the working piston, the hammer head is composed of a hammer rod and a hammer disc, multiple sets of vertical swing grooves are annularly formed in the outer side of the hammer rod, and multiple sets of horizontal swing grooves are annularly formed in the top of the hammer disc; a vertical swing rod is hinged to the interior of the vertical swing groove, a horizontal swing rod is hinged to the interior of the horizontal swing groove, and the outer side of the hammer rod is sleeved with a hammer ring. Primary hammer forging is carried out through the hammer head, the hammer ring falls on the hammer disc under the action of gravity to carry out secondary hammer forging, and primary impact and secondary hammer forging are carried out, so that deformation can be more stable, and excessive deformation of a workpiece caused by overlarge single impact force is avoided. The double impact can control the impact force, so that the deformation of the forge piece is more uniform, and unnecessary stress concentration is avoided.

The application discloses an impact energy adjustable rock drilling rotary percussion device and a working method thereof, and solves the problems of small adjustable range of impact frequency and impact energy of a rock drilling device in the prior art and easy jamming of a drill rod. The impact energy adjustable rock drilling rotary percussion device comprises an impact piston and a drill rod tail, further comprises an electric impact mechanism and a hydraulic impact mechanism which are arranged in parallel and used for driving the impact piston to reciprocate, the tail of the drill rod tail is correspondingly connected with the impact end of the impact piston through a rotary buffer assembly, the front part of the drill rod tail is connected with a rotary impact mechanism, and the rotary buffer assembly and the rotary impact mechanism are matched to drive the drill rod tail to perform pulsed rotation around the central axis. Compared with the prior art, the electric impact mechanism and the hydraulic impact mechanism with adjustable working modes are adopted, the adjustable impact energy is realized, the problems of single impact frequency, small impact energy range and low rock drilling efficiency of the rock drilling device in the prior art are solved, the rotary buffer assembly and the rotary impact mechanism are matched to drive the drill rod tail to perform pulsed rotation around the central axis, and the problem of easy jamming of the drill rod in the prior art is solved.

The invention relates to the technical field of Pick ball detection, in particular to a Pick ball hitting resistance and high-precision flight path detection device which comprises a machine base. A detection cavity and a recovery cavity are formed in the machine base; the detection cavity is provided with a ball serving device and an impact plate; the device further comprises a recovery device. And cameras are arranged on the top wall and the side wall of the detection cavity. The cyclic impact test of the Pick ball is realized by arranging the ball serving device and the recycling device, the impact resistance evaluation efficiency and accuracy are improved, different impact angles, speeds and strengths can be set by adopting a repeated impact test method, and the real working condition of the Pick ball in long-term use is simulated; the camera is used for dynamic capture, and the three-dimensional motion trail, speed, rotation state and impact characteristics of the Pick ball can be collected in real time; the test standardization degree is improved, the limitation of the traditional single impact test is solved, and the impact resistance and the track detection precision of the equipment are more reliably verified.

The invention relates to the technical field of rock mechanics experiment equipment, and discloses a device capable of realizing impact disturbance in the whole process of uniaxial compression damage and a test method. The device comprises a rigid press machine, an impact cavity, a partition incident rod and an impact gasket, a rigid pressure head is controlled by a hydraulic system to apply static load, and accurate loading of dynamic impact is realized by utilizing an electromagnetic driving technology. 12 bullet tracks are arranged in the impact cavity, each track is provided with an annular inner side electromagnetic coil, an annular outer side electromagnetic coil and a magnetic fusiform bullet, and the bullet speed is controlled by adjusting the current direction and magnitude, so that the bullet hits the partition incident bar to transmit impact loads; an energy absorption structure is arranged in the partition incident bar, the tightness state of an energy absorption piece is adjusted through a knob switch, and switching between a single impact mode and an oscillation impact mode is achieved. The test method comprises the steps of pre-pressing a test piece, loading a static load, performing partition impact and applying synchronous impact disturbance. The device solves the problem of cooperative loading of dynamic and static loads, has the advantages of controllable impact force, multi-mode loading and high simulation of real working conditions, and is suitable for researching the dynamic mechanical response of fragile materials such as rocks and concrete.

The semi-automatic pistol in which, in firing position, the cartridge case located in the barrel chamber, under pressure of powder gases, expanding, connects the barrel and the bolt into a single functional part that facilitates joint translational movement of the barrel interlocked with the bolt, with joint translational movement of the barrel interlocked with the bolt being limited by the protrusion end surface abutting against the groove end surface, and, as a result of impact interaction of the protrusion-groove pair, facilitates disconnection of the barrel and the bolt, while ensuring further translational movement of the bolt, which has been unlocked, and the bolt frame backwards, relative to the pistol frame, and reciprocating movement of the barrel, backwards and forwards, relative to the pistol frame. It provides decomposition of a single impact of moving parts of the pistol's bolt into several separate, time-distributed impacts.

The invention discloses a stress detector for a glass product and a detection method, and belongs to the field of strength characteristic testing of the glass product, the stress detector comprises a supporting part and a falling ball detection part connected to the upper end of the supporting part; the stress accumulation preventing assembly comprises a first baffle, a second surrounding plate fixedly connected to the upper end of the first baffle, a ball falling opening formed in the first baffle, a sliding groove formed in the first baffle, a rebound blocking part located in the first baffle and an accumulated force releasing assembly connected to the interior of the first baffle and used for pushing the rebound blocking part to move; when a falling ball falls on glass, generates first impact and rebounds, the rebounded steel ball and the glass can be physically isolated through the first baffle, and therefore the final damage state of the glass is ensured. By intercepting the rebound ball, energy superposition caused by subsequent uncontrolled impact is thoroughly eliminated, and degradation of testing from single impact to fatigue impact is avoided; therefore, the test result completely meets the standard of single load, and the purity of experimental data is ensured.

The utility model discloses a magnetic attraction knocking vibration hammer of an activated carbon heating rotary kiln, and particularly relates to the technical field of knocking vibration hammers, the magnetic attraction knocking vibration hammer comprises a supporting plate, one side of the supporting plate is provided with a limiting groove, the middle of the limiting groove is fixedly connected with a first stabilizing rod, and the middle of the first stabilizing rod is sleeved with a sliding plate; a magnetic plate is embedded in the top of one end of the sliding plate, and an electric push rod is fixedly connected to the top of the supporting plate. When the magnetic suction plate is separated from the magnetic plate, the first impact rod drives the vibration hammer head at the bottom to fall down naturally for knocking, and the second impact rod drives the vibration hammer head at the bottom of the second impact rod to fall down again for knocking through inertia after single knocking, so that secondary knocking is realized; and the strength of the secondary knocking is obviously smaller than that of the first knocking, accumulated materials which do not completely fall off after the first knocking can be shaken off, the situation that the accumulated materials remain is avoided, and the cleaning effect is improved.

A computer implemented method of generating a feature array configured for training a classifier of impact data measured by a mouthguard, the method comprising: a) receiving signal data, the received signal data representative of linear acceleration and rotational velocity measurement time series signals indicative of an impact measured from an instrumented mouthguard; b) receiving impact classification data representative of feature information that specifies the class of impact of each received signal data and storing the impact classification in a response array; c) extracting one or more features from the signal data and storing in an array, the one or more features corresponding to a single impact; d) comparing each extracted feature to the corresponding response array element to select the set of features that respectively satisfy a classification relevance threshold indicative of a classification relevance; e) responsive to the number of selected features being less than a feature threshold, iteratively rotating the direction of respective x, y, z components of the rotational velocity time series data relative to corresponding x, y, z components of the linear acceleration time series data and performing steps c) to d) until the number of selected features meet the feature threshold.

This invention discloses a collision-resistant energy dissipation structure and method for a triangular gate, comprising a collision-resistant plate and energy dissipation devices. Each energy dissipation device includes an energy dissipation cylinder and a fixed base. The fixed base is fixedly connected to the main beam, and a connecting rod is connected to the fixed base. The top of the energy dissipation cylinder has an opening for the connecting rod to pass through, and the energy dissipation cylinder is slidably fitted onto the connecting rod. The other end of the energy dissipation cylinder is fixedly connected to the collision-resistant plate, and multiple butterfly spring groups are provided inside the energy dissipation cylinder. This invention, by distributing multiple energy dissipation devices on the collision-resistant plate, ensures that the impact force is effectively dispersed through multi-point displacement and spring deformation during ship collisions, reducing the force on a single impact point, thereby reducing the risk of damage to the lock equipment. The butterfly springs in each energy dissipation device are combined differently according to the position, displacement, and stiffness requirements of the energy dissipation cylinder to ensure balanced reaction forces at each position and avoid local overload.

The invention relates to a sheet impact performance detection method, and belongs to the technical field of metallurgical test detection in the metallurgical industry. According to the technical scheme, the method comprises the following steps: respectively fixing two ends of a plurality of impact samples (5) together by using microsection clamps to form a sample, vertically placing the two ends of the sample and the microsection clamps into a square cold inlay mold (1) one by one, pouring blended cold inlay resin (4) into the mold (1), curing, taking out, processing a V-shaped notch or a U-shaped notch in the middle of the sample, and carrying out cold inlay molding. An impact testing machine is used for carrying out an overall impact test on the embedded samples, the total impact absorption energy is recorded, and the impact absorption energy of a single impact sample (5) is equal to the total impact absorption energy divided by the number of the impact samples (5). The device has the beneficial effects that the device can ensure that the sample is not distorted and deformed in the impact test process, the striking center position of the sample is proper, the impact absorption energy is within the accuracy of a testing machine, and the detection deviation is small.

The invention relates to the technical field of impact energy testing, and discloses a pendulum bob device based on single impact energy calibration, which comprises a bottom plate, and a slide block guide rail is arranged on the top surface of the bottom plate; one end of the swing rod module is connected with the bottom plate, and the other end is vertically upward; the top of the swing rod is hinged to the swing rod module, and the other end of the swing rod is connected with a swing block; the impact rod fixing module is matched with the sliding block guide rail; the cement block moving module is arranged at the end, away from the swing rod module, of the sliding block guide rail. An angle encoder; during use, the swing rod is lifted to a preset angle, the swing rod is released, the test rod exerts impact force on the stress surface of the cement block moving module, the swing angle variable quantity and the instantaneous angular speed of the swing rod are collected in real time through the angle encoder, and one-time impact calibration is completed. According to the invention, by arranging the swing rod module hinged with the swing rod, the swing rod can swing, and then the swing block used for fixing the test rod is connected with the swing rod, so that an existing free falling body test is changed into a simple pendulum test, the centering difficulty is reduced, and the test precision is improved.

The present invention discloses a simulated hail impact mechanism and an impact method thereof. Currently, the impact experimental equipment is generally designed horizontally or vertically, and each experiment can only perform a single impact. Moreover, it mainly accelerates through methods such as spring deformation, air compression, electromagnetic impact, etc., with a relatively complex structure and the speed cannot be accurately controlled. The present invention includes a filler channel, an acceleration disc, a feeding device, an acceleration motor, and a connecting rod; the acceleration motor is fixed to the connecting rod, its output shaft is fixed to the acceleration disc, the acceleration disc is provided with m loading through holes, the feeding device is fixed to the filler channel, and the filler channel is fixed to the connecting rod. The present invention can accurately control the initial speed of the ice ball by synchronously accelerating the acceleration disc and the acceleration motor; in the present invention, the angle of one rotation of the output shaft of the acceleration motor is evenly divided into m segments, and the output shaft of the acceleration motor can complete m impacts continuously in one rotation, and the speeds of multiple impacts are independently adjustable, which can more realistically simulate the situation of hail falling.

The invention discloses a method for constructing any buffer curve of a material based on one-time impact. The method comprises the following steps: 1, determining the initial speed v0 of drop hammer impact; 2, determining a delta v-T curve of the drop hammer speed change relative to the impact time in the impact process; and step 3, determining an E-T curve of the energy absorption of the buffer pad about the impact time in the impact process. And step 4, determining an em-T curve of the maximum unit volume energy absorption of the buffer cushion relative to the impact time in the impact process. And step 5, determining a sigma m-T curve of the maximum stress of the buffer pad relative to the impact time in the impact process, and finally determining a numerical value sequence of the maximum unit volume energy absorption and the maximum stress of the buffer material meeting the determined function relationship. And 6, determining coordinate points on the [G]-sigma s buffer curve to be constructed. And 7, drawing a [G]-sigma s buffer curve to be constructed. A [G]-sigma s buffer curve of the buffer material under the combination of any drop height and liner thickness is constructed by using a drop hammer acceleration time a-T curve of the buffer material in certain impact and combining the size, the drop height and the drop hammer weight of the buffer liner in the impact.

The present application relates to the technical field of optical lens detection, and particularly relates to a kind of machine sighting lens glass lens impact resistance detection method, the method includes the parameter data of the machine sighting lens glass lens to be detected;Based on the curvature and shape regularity degree of the machine sighting lens glass lens to be detected, the impact resistance detection center area of the glass lens is determined;Based on the deviation degree of the center area of the machine sighting lens glass lens to be detected and the shape feature tendency value of the edge area, initial clamping position is determined;Whether the machine sighting lens glass lens to be detected occurs displacement and deformation degree after single impact test is determined whether to determine clamping position again;Based on the displacement direction and deformation distribution dense area optimization determination of the machine sighting lens glass lens to be detected, final clamping position is determined, and the precision of detection area and clamping position positioning in machine sighting lens glass lens impact resistance detection and the accuracy of machine sighting lens glass lens impact resistance detection are improved by the above method.

A computer implemented method of generating a feature array configured for training a classifier of impact data measured by a mouthguard comprises: a) receiving signal data representative of linear acceleration and rotational velocity measurement time series signals indicative of an impact measured from an instrumented mouthguard; b) receiving impact classification data representative of feature information that specifies the class of impact of each received signal data and storing the impact classification in a response array; c) extracting one or more features corresponding to a single impact from the signal data and storing in an array; d) comparing each extracted feature to the corresponding response array element to select the set of features that respectively satisfy a classification relevance threshold indicative of a classification relevance; e) responsive to the number of selected features being less than a feature threshold, iteratively rotating the direction of respective x, y, z components of the rotational velocity time series data relative to corresponding x, y, z components of the linear acceleration time series data and performing steps c) to d) until the number of selected features meet the feature threshold. The extracted features may be time domain or frequency domain features.

The invention relates to the technical field of optical lens detection, in particular to a mechanical aiming lens glass lens impact resistance detection method, which comprises the following steps: acquiring parameter data of a to-be-detected mechanical aiming lens glass lens; determining an impact resistance detection center area of the glass lens based on the curvature and the shape rule degree of the glass lens of the mechanical aiming lens to be detected; determining an initial clamping position based on the deviation degree of the central area of the glass lens of the mechanical aiming lens to be detected and the shape feature tendency value of the edge area; determining whether the clamping position is re-determined based on whether the glass lens of the to-be-detected mechanical aiming lens after the single impact test is displaced and the deformation degree; and optimizing and determining a final clamping position based on the displacement direction of the to-be-detected glass lens of the mechanical aiming lens and the deformation distribution dense area. Through the method, the positioning accuracy of the detection area and the clamping position in the impact resistance detection of the glass lens of the mechanical aiming lens and the accuracy of the impact resistance detection of the glass lens of the mechanical aiming lens are improved.

The invention relates to the technical field of anti-stamping detection, and provides photovoltaic panel anti-stamping detection equipment which comprises a machine shell, an angle adjusting module, a falling point adjusting module, a cleaning module, a transmission module and an ice ball emitting module, a driving part in the angle adjusting module is in transmission connection with a rotating pipe, and a clamping part in the falling point adjusting module is used for fixing a photovoltaic panel; a Y-direction telescopic air cylinder is used for controlling a movable frame to be slidably connected into a swing frame, a scraping piece and a CCD camera in the cleaning module are both arranged on a base frame, the inclination angle of a photovoltaic panel below can be automatically adjusted, and the falling point of an ice hockey on the surface of the photovoltaic panel can be adjusted at any angle; the real scene that external force impacts the photovoltaic panel at a time from different positions can be simulated through multi-point intermittent ice hockey stamping detection, the natural environment that a plurality of hails continuously stamp the photovoltaic panel can be simulated through multi-point continuous ice hockey stamping detection, and stamping detection in different scenes can be simulated.

The invention discloses a low-pressure-difference high-frequency high-energy impactor driven by a large-drift-diameter turbine, which relates to the field of petroleum and natural industry and mechanical engineering and comprises an upper joint, a main shell, an adjusting gasket, a compression ring cylinder, a through compression ring, a compression rod, a turbine, a lower compression guide sleeve, a lower outer compression sleeve, a bearing, a hard alloy ring, a radial through valve, a rotating shaft and a rotatable two-way through valve. The device comprises an opening shell, a pressing piston, an impact hammer, a lower shell, an impact drill bit, an anti-falling ring and a lower connector. According to the low-pressure-difference high-frequency high-energy impactor driven by the large-drift-diameter turbine, the impact tail end water cushion effect can be avoided, the impact hammer tail speed is remarkably increased so as to increase the single impact energy, meanwhile, the impact frequency is improved, and finally the high-frequency and large-impact-energy efficient rock breaking effect is achieved.

The application discloses an impact test device based on electromagnetic loading. The device comprises a power supply system, an impact gun, a sensor data acquisition system and a clamp and bracket system. The impact gun converts the electric energy of the power supply system into electromagnetic force impact force to act on the to-be-impacted test piece fixed on the clamp and bracket system in the form of impact load. Before the test starts, the impact gun is in zero-distance contact with the to-be-impacted test piece, and the impact load is horizontally loaded in parallel to the ground. During the test, the sensor data acquisition system records the data of the impact force and deformation displacement of the test piece changing with time. After the test ends, the reaction force between the impact gun and the to-be-impacted test piece is consumed in the form of friction and temperature rise through the buffer system of the impact gun, so that the secondary impact on the to-be-impacted test piece is avoided. The energy storage capacitor and the charging voltage in the power supply system are variable. The application can solve the problems of complicated operation and single impact wave form of the current impact test equipment.

The triangular gate anti-collision energy dissipation structure comprises an anti-collision plate and energy dissipation devices, each energy dissipation device comprises an energy dissipation cylinder and a fixed base, the fixed bases are fixedly connected to a main beam, connecting rods are connected to the fixed bases, the top ends of the energy dissipation cylinders are provided with open holes allowing the connecting rods to penetrate, and the energy dissipation cylinders are arranged on the connecting rods in a sliding and sleeving mode; the other end of the energy dissipation cylinder is fixedly connected with the anti-collision plate, and a plurality of belleville spring sets are arranged in the energy dissipation cylinder. According to the anti-collision device, the multiple energy dissipation devices are distributed on the anti-collision plate, it is ensured that the collision force is effectively dispersed in a multi-point displacement and spring deformation mode when a ship collides, the stress of a single collision point is reduced, and therefore the damage risk of ship lock equipment is reduced. The belleville springs in the energy dissipation devices are combined differently according to the position, displacement and stiffness requirements of the energy dissipation cylinders, counter-force balance of all the positions is guaranteed, and local overload is avoided.

The invention discloses a punching composite wear test method and device in a high-temperature liquid environment, and relates to the field of tribological test, the device comprises a T-shaped table, the outer wall of a test cavity is wrapped with a heating element, an impact motion module is arranged above the test cavity, and a cooling device is arranged in the middle of the test cavity; the impact motion module is installed on the impact motion platform, the lifting mechanism is installed on the lifting servo motor lead screw module on the rear side of the normal loading lead screw module, and meanwhile the precise linear modules are arranged on the two sides of the lifting mechanism. Through multi-shaft linkage control, impact, tangential composite and single impact, tangential fretting wear tests, impact force closed-loop control and convenient mutual conversion between a loading and unloading station and a test station can be realized, and the influence of a complex environment on sensitive components in the test is fully considered through key component position design. The device can be used for micro-motion and sliding wear tests in complex environments such as high temperature, liquid, atmosphere and the like.

The invention discloses a spring damping buffer knocking hammer and a secondary impact prevention method, and belongs to the technical field of engineering detection and rock-soil exploration. The knocking hammer comprises a cylinder barrel, a piston, an energy storage spring, a hammering block, an extension spring and a driving device. Through the set limiting structure, the piston is instantaneously braked when being driven by the energy storage spring to move to the separation position, the hammering block overcomes the tension of the extension spring under the inertia effect to be separated from the piston, and single-time impact on the wall face is independently completed; after impact, kinetic energy rebounded by the hammering block is absorbed by the extension spring and pulled back, and therefore secondary impact is fundamentally eradicated. Stepless adjustment of impact energy is achieved through an adjusting bolt, fine control over the excitation frequency and energy distribution is achieved by replacing the material of the hammering head and a balancing weight, and reliable operation capacity is achieved under the multi-angle working conditions of a tunnel vault, the side wall, the ground and the like. The technical problems that energy of an existing excitation source is uncontrollable, secondary impact exists, and adaptability is poor are solved.

The application provides a vehicle suspension control method and a vehicle suspension controller, comprising the following steps: judging whether a vehicle is in an impact working condition; if yes, obtaining a single impact damping force and a damping correction coefficient of a front axle shock absorber when passing through an impact position, and calculating a rear axle pre-control damping force through the single impact damping force and the damping correction coefficient; obtaining a driving mileage of the vehicle; judging whether the driving mileage exceeds a threshold value; and if yes, controlling a damping force of a rear axle shock absorber as the rear axle pre-control damping force. The method can consider complex road working conditions in inter-axle predictive control, ensure that the vehicle can pass through the impact working condition in an optimal state, and greatly improve the comfort and maneuverability of driving.