66 results about "Penetrometer" patented technology

The invention relates to the technical field of marine geological engineering, in particular to a submarine geological parameter fused photovoltaic foundation construction resource allocation method which comprises the following steps: collecting submarine topographic data, rock-soil physical parameters and stratum bearing capacity parameters through a shipborne multi-beam sounding system, a submarine drilling sampling device and a static penetrometer; uniformly mapping various parameters to a three-dimensional geographic coordinate system, and constructing a standardized geological data cube; the stratum shear wave velocity, the standard penetration impact number and the water content are extracted, and a comprehensive geological rigidity index is calculated through fusion; according to index threshold values, three types of construction units of a hard rock area, a transition area and a soft soil area are divided, and a hydraulic impact hammer, a rotary drilling rig and a vibration pile sinking unit are matched; and when monitoring that the geological variation exceeds a set amplitude, automatically adjusting the configuration of equipment in an adjacent area, and generating a dynamic resource allocation scheme. According to the invention, precise configuration and intelligent scheduling of equipment under geological driving can be realized, and the efficiency and safety of submarine photovoltaic foundation construction are improved.

The invention provides a multi-factor coupling asphalt accelerated aging simulation method and system, and relates to the technical field of road engineering. The method comprises the following steps: at the beginning of simulation, performing multi-factor coupling asphalt aging environment simulation through an aging test box; acquiring set parameters of the multi-factor coupling asphalt aging environment simulation; determining an aging stress index according to the set parameters; obtaining the operation time of the aging test box; determining equivalent aging time according to the aging stress index and the operation time; when the simulation is finished, obtaining aging parameters of the asphalt through a dynamic shear rheometer and a penetrometer; determining an aging degree deviation according to the aging parameter; and determining whether to adjust the set parameters according to the aging degree deviation. According to the invention, the aging rate can be dynamically adjusted according to the aging stress index, and the set parameters can be dynamically adjusted according to the aging degree deviation so as to optimize the simulation condition and improve the accuracy and reliability of simulation.

The present application relates to the technical field of road engineering, and aims to provide a calibration device for asphalt penetrometer, which comprises a processor, a display, a mounting bracket mounted on the head of the penetrometer, and a calibration mechanism arranged on the mounting bracket; the calibration mechanism is provided with a swing rod, a contact rod is arranged on the swing rod and rotationally matched with the swing rod, and the rod shaft of the contact rod is connected with the input end of a rotary encoder; the swing rod can swing under its own gravity and drive the contact rod to abut against the side wall of the needle connecting rod of the penetrometer to form contact with the needle connecting rod; the rotary encoder is electrically connected with the processor, and the processor is electrically connected with the display. The present application can assist the operator to quickly and efficiently calibrate the penetrometer, is convenient to use, can be adapted to various types of penetrometers, and has good universality.

A thermal conductivity tool includes a housing having a penetrator cone on one longitudinal end. A thermal core is disposed in the housing at a selected distance from the penetrator cone. The thermal core comprises a core body having a plurality of circumferentially spaced apart longitudinal bores therein. Each of the bores has a heating element or a temperature sensor, wherein the heating elements and the temperature sensors are circumferentially symmetric about a longitudinal axis of the thermal core. A thermal system defined by the thermal conductivity tool and surrounding media having a plurality of different known thermal conductivities is predetermined by simulation or empirical measurement.

The utility model discloses an asphalt penetrometer, which is characterized in that a top sensor and a gravity sensor are synchronously arranged on a vertical driving part, a needle rod fixing bin is arranged on the gravity sensor, a clamping block and a clamping spring are arranged in the needle rod fixing bin, a controllable magnet is matched with the clamping block, and the clamping spring is arranged on the controllable magnet. And the controllable magnet attracts the clamping block to overcome the elastic force of the clamping spring so as to release the needle rod. An upper receding groove is formed in the bottom of the needle rod, a lower receding groove is formed in a nut locking sleeve arranged below the needle rod, the thin-waist elastic ring is fixed through the upper receding groove and the lower receding groove together, and the needle head is clamped and fixed to the elastic ring. During operation, after the high-precision gravity sensor senses that the tip of the test needle is in contact with the asphalt surface, the penetration depth starts to be measured, the needle head is automatically released after the measurement is completed, the needle head automatically falls off, and finally the penetration degree is measured and calculated.

This invention discloses an intelligent portable variable-energy continuous-power penetrometer, belonging to the technical field of engineering testing equipment. The intelligent portable variable-energy continuous-power penetrometer includes a probe handle and a probe rod, and further includes: a probe base connected to the probe rod, the probe base having an inner cavity; a force sensor disposed within the inner cavity; a probe cone with a pressure block at the top, the pressure block being slidably connected to the side wall of the inner cavity, and the pressure block abutting against the force sensor; and a controller electrically connected to the force sensor, the force sensor being used to detect the real-time pressure on the pressure block, and the controller being electrically connected to a display, the controller being used to control the display to show the real-time pressure. This intelligent portable variable-energy continuous-power penetrometer ensures that even when the probe rod is deflected, i.e., when the soil is in contact with the probe rod, the frictional force of the soil on the probe rod will not affect the detection of the soil's mechanical properties, thus guaranteeing the accuracy of the measurement results.

The hand carried enhanced penetrometer includes an electrical linear actuator system to advance a soil penetration rod into a test site soil during a penetrometer test. The penetrometer also includes a base plate system that uses an operator's static body weight to anchor the penetrometer to a test site surface during a penetrometer test. In operation, an operator places at least one foot on a penetrometer structural base plate and activates the linear actuator to advance a penetration rod into the test site soil. The tripod embodiment of the system includes an operator's seat that allows an operator to conduct a penetrometer test in a seated position while passively anchoring the penetrometer in place at the test site. The invention includes monopod, bipod, and tripod embodiments.

The utility model belongs to the in-situ soil sample tester technical field relates to a portable electric penetration appearance, its characterized in that: including test base, connecting assembly and penetration assembly, the upper end of test base is installed with penetration assembly through connecting assembly. The portable electric penetration appearance, the structure design of test base and penetration assembly integration in prior art is dismantled the split type structure of test base and penetration assembly through connecting assembly, greatly reduces the storage volume, and it is convenient to carry back and forth, convenient to use.

The utility model relates to an automatic pitch penetration apparatus, including base, the upper end of base is equipped with support and is used to place the liftable platform of sample dish, and the base has the cavity of accommodating liftable platform, be provided with lifting assembly on the support, and the bottom of movable end of lifting assembly installs needle control assembly, and the standard needle is installed on needle control assembly, the bottom of fixed end of lifting assembly installs lifting arm, the coaxial sleeve of one center bearing is equipped with in the lower end of lifting arm, and one cross arm is sleeved in the outer ring of center bearing, the utility model drives the measuring rod coarse adjustment through the lifting arm, and then through the locking rod microdistance locking, and the pitch surface measuring piece can be accurate zero mark with the light touch sample surface, and then the measuring rod rotates 180 DEG, and the standard needle calibration piece that replaces the original position with the standard needle coplanar with the measuring piece, and the standard needle only needs to be perpendicular to drop and abut the calibration piece, and the zero distance setting of needle point and pitch surface is completed, thereby significantly reduces the artificial error, improves the test repeatability and operation efficiency.

The utility model relates to a static penetrometer force loading device which comprises a static penetrometer force body with a base at the bottom, and a plurality of first clamping grooves are formed in the top end of the base at equal intervals. The static penetrometer force body needs to be fixed to the ground through the loading device, at the moment, the static penetrometer force body can be horizontally placed, then the pressurizing gravity rod is clamped in the first clamping groove, the pressurizing gravity rod makes contact with the ground, and therefore pressure testing is conducted on the base, the static penetrometer force body is prevented from shaking, then the positioning pile is inserted into the penetrating hole, and the static penetrometer force body is fixed to the ground through the positioning pile. The electric drill bit is started after being inserted into the groove, the positioning pile is driven to rotate to punch holes in the ground, and the positioning pile is inserted into the ground, so that the force body of the static penetrometer is more stably fixed on the ground, the force loading device is effectively fixed on the ground, and the transverse stability of the force of the static penetrometer is improved.

The invention relates to the technical field of static sounding. More specifically, the invention relates to an inclined static sounding device, comprising: a static sounding instrument; an opening through which a probe rod of the static penetrometer passes is formed in the middle of the anchoring seat; the rotary support is rotatably arranged on the anchoring seat, and the static sounding instrument is detachably mounted on the rotary support; and the angle adjusting mechanism is arranged on the anchoring seat and is in driving connection with the rotating support so as to adjust the included angle between the rotating support and the anchoring seat. The inclined static sounding device is stable in structure, adjustable in angle, high in penetration efficiency and accurate in data correction.

The present invention relates to a cloud map processing method, system, and medium for free-fall penetration soil deformation measurement. The cloud map processing method for free-fall penetration soil deformation measurement comprises: reading PMLAB RDIC software to generate soil surface deformation data based on a soil surface image sprayed with artificial speckle; reading Revealer Motion Analysis software to generate penetrometer half-section model motion data based on a motion image of the penetrometer half-section model; determining the position of the penetrometer at each moment and the shape and size of the penetrometer's soil coverage area based on the penetrometer half-section model motion data, performing secondary processing on the soil surface deformation data, and drawing a soil surface deformation cloud map; and integrating the soil surface deformation cloud map into a user graphical interface. The present invention can effectively solve the problem that when the free-fall penetrometer half-section model is penetrated closely against a glass surface, a thin layer of soil obscures the penetrometer outline, resulting in inaccurate DIC analysis results for the soil coverage area.

The invention relates to the technical field related to intelligent sensors, in particular to an intelligent induction type sensitivity testing device of a temperature static penetrometer and a testing method thereof.The intelligent induction type sensitivity testing device comprises a workbench and a loading frame movably arranged above the workbench and used for installing a penetrometer to be tested, and further comprises a cylinder fixed to the workbench; a cloth bag for containing a soil sample is arranged in the cylinder, the bottom end of the cloth bag is connected with a first traction mechanism arranged at the bottom of the cylinder, a plurality of connecting parts distributed at equal intervals along the circumference are formed at the upper end of the cloth bag, and the plurality of connecting parts are respectively connected with a group of second traction mechanisms; the arc-shaped pieces are movably arranged in the cylinder and distributed at equal intervals along the circumference, and each arc-shaped piece is connected with a pressure applying mechanism arranged on the cylinder; through uniform pressure application and dynamic resistance adjustment, the accuracy and reliability of the test can be improved, the flexibility of the test and the richness of data are realized, and more comprehensive data support is provided for performance evaluation and optimization of the temperature static penetrometer.

The utility model discloses an asphalt penetration testing device and relates to the technical field of asphalt tests. The asphalt needle penetration testing device comprises a needle penetration instrument, a constant-temperature controller, a constant-temperature container and a sample transfer device positioned in the constant-temperature container, the penetrometer is used for carrying out detection, penetrometer and penetrometer reading on an asphalt sample, and the constant temperature controller is connected with the constant temperature container and is used for carrying out constant temperature treatment on the asphalt sample in the constant temperature container; the sample transfer device comprises a rotating device located in the middle and a plurality of moving devices located on the outer side of the rotating device, each moving device comprises a sliding channel and a sample containing piece, the sliding channels are in sliding connection with the sample containing pieces, the sample containing pieces are used for containing the asphalt samples, and the rotating devices are used for fixing and rotating the sample containing pieces. By adopting the asphalt penetration testing device, the problem of low working efficiency of manual operation in the prior art can be solved.

The present application belongs to the technical field of ocean engineering, and relates to a telescopic self-installation dynamic penetrometer, an operation method and application thereof to seabed soil strength parameter calculation. The present application overcomes the defect of insufficient penetration depth of the dynamic penetrometer, provides soil reaction force by setting extendable blades inside the lower booster and the upper booster, and realizes continuous penetration of the dynamic penetrometer in seabed soil by relying on motor driving. The present application basically does not change the weight of the dynamic penetrometer, and has no special requirements for the survey ship; measurement in any depth range can be realized, and the application prospect of the dynamic penetrometer is greatly expanded. The present application also proposes a seabed soil strength parameter interpretation method based on the measurement data of the dynamic penetrometer, which can interpret the seabed soil strength parameters in the stage of high-speed penetration of the dynamic penetrometer into seabed by relying on self-weight and the stage of continuous penetration of the dynamic penetrometer into seabed by relying on motor, and provides a basis for marine geotechnical engineering design.

The utility model relates to the technical field of penetrometer supports, in particular to a light penetrometer multifunctional frame. Comprising a triangular support and a pile casing arranged at the center of the triangular support, a sounding rod is arranged in the pile casing, and a beating mechanism is arranged at the upper end of the triangular support; the hammering mechanism comprises a ring piece fixed to the peripheral side of the sounding rod and a heavy hammer arranged at the upper end of the ring piece, a through hole is formed in the center axis of the heavy hammer, and the heavy hammer is arranged on the peripheral side of the sounding rod in a sleeving mode through the through hole. The pile casing can control the penetration angle of the sounding rod and guarantee vertical insertion, the triangular support guarantees insertion stability and increases detection accuracy, the heavy hammer can be used for striking an anchor rod such as soil, use convenience is increased, and work efficiency is improved.

This invention relates to an automatic lightweight cone penetrometer, comprising a trolley and a fixed support. The fixed support is mounted on the front outer surface of the trolley, and a movable rod is fixedly connected to the upper part of the right outer surface of the fixed support. A control unit drives a pull rope to lift a hammer, which is then limited by a guide rod, ensuring the hammer accurately lands on the hammer base. This allows the probe at the lower end of the hammer base to effectively penetrate the ground. A hammer-counting sensor on the hammer base transmits data to the control unit, recording the number of hammer strikes. This eliminates the need for manual recording of hammer strikes and manual lifting of the hammer, reducing labor intensity and saving labor costs. Furthermore, when pulling the probe out of the ground, the use of a toothed belt and gears further reduces labor intensity.

A vacuum adsorption temperature control automatic sample feeding test device for an automobile environment-friendly film is characterized in that a Y-axis walking mechanism and a penetrometer are respectively fixed on a rack, an X-axis walking mechanism is fixed on the Y-axis walking mechanism, a connecting plate is fixed on the X-axis walking mechanism, one side surface of the connecting plate is arranged on a table board of the penetrometer and is in clearance fit with the table board of the penetrometer, and the other side surface of the connecting plate is in clearance fit with the table board of the penetrometer; a vacuum adsorption heating table is fixed on the connecting plate; the X-axis walking mechanism is matched with the Y-axis walking mechanism, the vacuum adsorption heating table on the connecting plate can be driven to move front and back and left and right between the penetrometer table top and the standard needle head, and the air compressor is connected with an adsorption pipe connector of a vacuum adsorption plate bottom plate of the vacuum adsorption heating table through a vacuum generator. The temperature controller is connected with the heat sensor and the vacuum adsorption heating table electric stove wire, and the programmable servo controller is connected with the Y-axis stepping motor and the X-axis stepping motor. According to the invention, cross movement of the X-axis walking mechanism and the Y-axis walking mechanism can be realized, automatic feeding is realized, and multi-point testing of test samples is completed.

The invention relates to a seabed combined sounding device and method for shallow stratum multi-parameter exploration. The device comprises a supporting frame, a lifting mechanism, a rotating mechanism and a combined sounding instrument. A lifting mechanism is arranged in the supporting frame, a rotating mechanism is arranged on a lifting assembly of the lifting mechanism, and the output end of the rotating mechanism is connected with the combined penetrometer; the combined penetrometer comprises a connecting rod and a probe arranged below the connecting rod; the probe comprises a conical section, a cylindrical section and an annular section which are sequentially connected, and the outer diameter of the annular section is larger than that of the cylindrical section; a force sensor I is arranged in the conical section and is used for measuring conical tip resistance; a friction sleeve and a pore water pressure sensor are arranged on the cylindrical section; a cutting edge is arranged on the outer wall of the annular section. The testing method comprises the steps of testing point arrangement, penetration, unloading, dissipation, rotation testing and drainage unloading, and in-situ and comprehensive testing of the sediment can be achieved.

This invention provides a pressure-rotation cone penetration test (PPT) device and method for determining soil and rock parameters. The PPT device includes a housing, a torsional power unit, a static loading device, a pressure-rotation cone penetrometer, a displacement sensor, and a torque sensor, all installed within the housing. The torsional power unit drives the pressure-rotation cone penetrometer to rotate, while the static loading device applies downward pressure to the device. Under the combined action of both, the device rotates downwards into the soil and rock mass. The displacement sensor collects the downward displacement of the device, and the torque sensor measures the torque force exerted on the device as it rotates downwards into the soil and rock mass. The displacement and torque sensors transmit the collected data to a control computer via wired or wireless means. After receiving the penetration data from the sensors, the control computer calls the relationship model between the penetration data and soil parameters, substitutes the penetration data into the model, generates a test report, and displays it on a monitor in real time.

The invention discloses a static sounding device with a normally-closed cable and a probe separable and a using method.The device comprises the static sounding probe, the cable, a waterproof aviation plug male head, a waterproof aviation plug female head, a lock body, an electromagnetic lock cylinder and a spring bolt, the spring bolt is provided with a non-magnetic spring bolt part and a magnetic conductive unlocking part, an elastic body is further arranged on the outer side of the non-magnetic spring bolt part, and the elastic body is arranged on the outer side of the non-magnetic spring bolt part. The elastic body abuts against the inner wall of the lock body. In a natural state, the non-magnetic spring bolt is partially clamped into the clamping groove to lock the electromagnetic lock cylinder; when the cable needs to be taken back, the electromagnetic lock cylinder is powered on to attract the magnetic conductive unlocking part, so that the non-magnetic lock tongue part retreats from the clamping groove, the cable can be directly taken back, then the hollow steel pipe is taken back, cable abrasion and winding are avoided, the taken-back hollow steel pipe does not need to be tidied by multiple persons, convenience is improved, and the cost is reduced. The working efficiency is greatly improved; the structure is simple and compact, and installation and use are easy.

The invention discloses an automatic light dynamic penetrometer which comprises a base, a hole body is formed in one side of the base, a supporting frame is installed on one side of the top end of the base through screws, a servo motor at the top end of the supporting frame is installed on a driving mechanism, and a rotating shaft is installed on one side of the servo motor. A servo motor works to drive a rotating shaft to rotate, the rotating shaft rotates to drive a rotating wheel to rotate, the rotating wheel rotates to drive a chain to rotate, when the chain rotates, a connecting rod is driven to ascend and descend, and when the connecting rod ascends and descends, a tray can be driven to ascend and descend; when the tray touches the top end of the drop hammer, the tray retracts and continues to descend in sequence, when the tray moves to the bottom end of the drop hammer, elasticity of the spring drives the tray to reset, the tray supports the drop hammer again and drives the drop hammer to ascend, and in this way, the drop hammer can be driven to ascend and descend in a reciprocating mode, and the feeler lever is continuously smashed into the ground.

This invention relates to the field of in-situ testing technology for soil and rock, specifically disclosing a dual-purpose penetrometer capable of switching between static and dynamic testing. It includes a main frame, within which a movable main shaft is vertically mounted. A drop hammer is mounted on the main shaft, and a penetrometer probe is mounted at the bottom of the main shaft. The main frame also houses a lifting assembly, a pressing assembly, a first horizontal moving assembly, and a second horizontal moving assembly. The first horizontal moving assembly is connected to the lifting assembly, enabling horizontal movement of the lifting assembly and thus connecting or disconnecting the main shaft from the lifting assembly. The second horizontal moving assembly is connected to the pressing assembly, enabling horizontal movement of the pressing assembly and thus engaging or disengaging the main shaft from the pressing assembly. This invention utilizes the lifting assembly, pressing assembly, first horizontal moving assembly, and second horizontal moving assembly to form both a static and a dynamic penetrometer.

The invention discloses a portable free positioning unmanned aerial vehicle carrier surface layer strength penetration detection device and an implementation method. The device comprises an unmanned aerial vehicle main body and a penetrometer. A laser radar is carried on the top of the unmanned aerial vehicle, propellers and protective covers are arranged at the four corners of the unmanned aerial vehicle, and a control mainboard, a storage battery, a GPS position indicator, a microprocessor, a signal transceiver and a data storage module are arranged in the unmanned aerial vehicle. A visual positioning system, a detachable penetrometer and a landing support are arranged at the bottom of the device. The penetrometer is provided with a conical head, an end resistance strain gauge, a side resistance strain gauge, a friction sleeve and a data transmission line. After the control terminal issues a monitoring instruction, the unmanned aerial vehicle takes off, the laser radar generates an environment map and detects obstacles, and the microprocessor fuses the laser radar and GPS data and calculates the flight attitude and trajectory in real time. And after the unmanned aerial vehicle arrives at the destination, the unmanned aerial vehicle lands, the penetrometer penetrates into soil under the assistance of the visual positioning system, the end resistance and the side friction resistance are measured, and the surface stratum penetration strength of the remote drop point is detected through free position selection across the air.

This utility model relates to the field of foundation testing technology, specifically a testing device for thick loess municipal roadbeds. It includes a frame, a penetrometer rod, and a core hammer. One end of the penetrometer rod has a probe. The penetrometer rod consists of a support rod and a splined rod, connected by a hammer block. The core hammer slides on the splined rod. A lifting assembly is mounted on the hammer block, comprising a connecting plate, a motor, and a lifting rod. The connecting plate is connected to the hammer block and its height is adjustable. The motor is located at the end of the connecting plate, and its output shaft passes through the connecting plate and connects to the lifting rod. The lifting rod is telescopic and has a lifting block at its end. A stop bar is provided on the side wall of the core hammer. The motor drives the lifting rod to rotate, causing the lifting block to hook onto the stop bar on the core hammer, achieving automatic lifting. This replaces manual operation, avoids operator fatigue, enables continuous and efficient testing, and improves the efficiency of large-scale roadbed testing.

The invention relates to the technical field of frozen soil penetrometers, and particularly discloses a compacted frozen soil penetrometer and a control system thereof.The compacted frozen soil penetrometer comprises a frozen soil penetrometer body, the frozen soil penetrometer body is composed of two rectangular plates and four supporting columns, and an L-shaped plate is fixedly connected into the frozen soil penetrometer body. As the penetration mode of the frozen soil penetrometer body adopts a rotary structure, the test efficiency can be improved, and when the penetration operation is carried out, the external handheld end is combined with the operation state data and environmental data of the frozen soil penetrometer body and the resistance coefficient measured by the sensor, so that the test efficiency is improved. According to the technical scheme, the moving speed of the threaded rod can be dynamically adjusted, so that it is guaranteed that the threaded rod is in a constant-speed state in the whole injection operation, the situation that the moving speed of a probe fluctuates, and consequently deviation exists between a measurement result and an actual situation is avoided, and the accuracy and reliability of a final evaluation result are guaranteed.

An ultrasonic penetrometer may include an enclosure, an ultrasonic sensor, and a rod. The enclosure may include a channel having a first end and a second end. The ultrasonic sensor may be provided at the first end of the channel and may be configured to generate an ultrasound signal through the second end of the channel. An output from the ultrasound sensor may be used to determine a thickness or stiffness of sediment. The rod may have a proximal end facing the ultrasonic sensor and a distal end opposite the proximal end. The rod may be configured to move relative to the enclosure. The distal end may be configured to contact the sediment. The enclosure may be configured to be fluid-tight relative to an exterior of the enclosure such that the generated ultrasound signal travels in a single medium.

The self-generating small static penetrometer comprises a conical probe of a solid structure and a shell connected to the top end of the conical probe, the shell is of a segmented connection structure, and the interior of the shell is segmented into an end resistance measuring bin, a self-generating bin and a signal processing bin from bottom to top; a plurality of friction force sensors are uniformly arranged on the outer wall of the shell from the bottom end to the top end of the shell, a pressure-bearing column is arranged in the end resistance measuring bin, an upper semiconductor resistance strain gauge is arranged on the pressure-bearing column, a composite generator is arranged in the self-power-generation bin, and the composite generator performs comprehensive power generation through friction nanometer power generation and electromagnetic induction power generation. Components in the signal processing cabin are used for power management and processing and transmission of collected force signals. Comprehensive power generation is carried out through friction nanometer power generation and electromagnetic induction power generation, and the purpose of passive in-situ continuous testing of the static penetrometer is achieved.

The present application relates to an asphalt penetration test method, system, intelligent terminal, and storage medium, and relates to the field of asphalt testing technology. The method includes obtaining preset asphalt sample preparation completion trigger information; obtaining test point information and distribution angle information of the asphalt sample based on the preparation completion trigger information; controlling a preset penetrometer device to perform a penetration test on the asphalt sample test point information; obtaining test completion trigger information; based on the test completion trigger information, controlling the penetrometer device to rotate according to the distribution angle information to update the test point information, and then controlling the penetrometer device again to perform a penetration test on the asphalt sample test point information. The present application improves the efficiency of asphalt penetration testing.

The invention relates to the technical field of road engineering. The invention aims to provide a calibration device of an asphalt penetrometer. The calibration device comprises a processor, a display, a mounting rack mounted on a machine head of the penetrometer, and a calibration mechanism arranged on the mounting rack, the calibration mechanism is provided with a swing rod, the swing rod is provided with a contact rod which is in running fit with the swing rod, and a rod shaft of the contact rod is connected with the input end of a rotary encoder; the swing rod can swing under the gravity of the swing rod and drives the contact rod to abut against the side wall of a needle connecting rod of the penetrometer to make contact with the needle connecting rod. The rotary encoder is electrically connected with the processor, and the processor is electrically connected with the display. The device can assist an operator to quickly and efficiently calibrate the penetrometer, is convenient to use, can adapt to various types of penetrometers, and is good in universality.