122 results about "Multiple point" patented technology

The invention belongs to the technical field of visual intelligent monitoring, and particularly discloses a structure multi-measuring-point displacement visual perception system and method considering temperature self-compensation, and the method comprises the following steps: collecting a target structure multi-target image and environment temperature data; structure multi-point displacement extraction based on a multi-target detection algorithm; temperature-induced error compensation based on time sequence deep learning; and carrying out edge calculation and real-time monitoring and early warning. According to the method, high-precision real-time monitoring of multi-measuring-point displacement of the structure is achieved, the long-term monitoring reliability of visual perception is improved through the temperature self-compensation technology, and the method has great significance in improving the health monitoring level of the structure.

The present application relates to a kind of one-hole multi-point position liquid-filled expansion pillow type borehole stress meter, including expansion pillow, pressure detector and oil pipe, the expansion pillow is the closed tubular structure, oil pipe is connected with the one end of expansion pillow, the outer ring of the expansion pillow is equipped with the recessed tube wall and forms the avoidance slot inwards, the avoidance slot extends along the length direction of expansion pillow and is through the length direction of expansion pillow, oil pipe can be housed in the avoidance slot, the avoidance slot is at least equipped with two and is uniformly distributed along the circumference, by setting avoidance slot on expansion pillow, the oil pipe of other expansion pillow set can be passed, when measuring the stress of multiple points, multiple stress meters are loaded into one by one, the oil pipe of stress meter in deeper position needs to cross the stress meter in shallower position, oil pipe passes from avoidance slot, thus can measure the rock stress of multiple different depth positions in one hole, to increase the field practicability and applicability of borehole stress monitoring, improve the accuracy of rock burst monitoring and early warning.

The present invention provides a multi-point synchronous automatic measurement method for the lateral deformation of a foundation pit retaining wall, comprising: setting the length of a pipeline according to the depth of a foundation pit retaining wall structure, and pre-burying the pipeline in the foundation pit retaining wall structure; placing a measuring device into the pipeline from bottom to top, the measuring device comprising a support frame, an inclined rod and a sensor, the support frame comprising four rods, adjacent rods being connected by a rotating shaft to form a rectangular structure, inclined rods being arranged on the diagonal lines of the support frame, sensors for measuring changes in the length of the inclined rods being provided on the inclined rods, and each sensor being connected to a collection and transmission device; before the foundation pit is excavated, the initial value of the sensor of each measuring device is read, and a certain frequency is set to automatically collect data, assuming that the bottom of the lowest measuring device has not moved horizontally, a real-time horizontal deformation curve in the depth direction of the foundation pit retaining wall structure is drawn by analyzing the collected data, and the overall lateral deformation data of the foundation pit can be measured synchronously at multiple points.

The invention provides a cavity filter debugging and stabilizing device, and relates to the technical field of filters. The cavity filter debugging stabilizing device is used for debugging a cavity filter, the cavity filter is provided with a tuning part which can be deformed under stress, and the cavity filter debugging stabilizing device comprises a placing seat; the multi-point adsorption mechanism is used for adsorbing a plurality of point positions on the upper surface of the tuning part under negative pressure; the lifting mechanism is connected with the multi-point adsorption mechanism; the air suction and exhaust mechanism is used for providing negative pressure adsorption force for the multi-point adsorption mechanism and providing aerodynamic force for the lifting mechanism, and in the process that the air suction and exhaust mechanism provides the negative pressure adsorption force for the multi-point adsorption mechanism, the lifting mechanism is used for ascending or descending under the action of the aerodynamic force provided by the air suction and exhaust mechanism. According to the invention, pressure is dispersed through multi-point adsorption, too large local deformation or damage of the tuning part possibly caused by traditional single-point contact is avoided, the debugging error is reduced, and the stability in the debugging process is improved.

The utility model discloses a multi-point air inlet plate machine which comprises a bottom frame, a plate machine body and a plurality of feeders, wherein the plate machine body is installed on the bottom frame and provided with a hollow inner cavity, and the feeders are arranged on the plate machine body. The steam conveying device is arranged on the plate machine main body and is used for uniformly conveying steam to the inner cavity of the plate machine main body; the steam conveying device comprises a main steam pipe, auxiliary steam pipes connected with the main steam pipe and arranged on the two sides of the plate machine body, and a plurality of branch steam pipes arranged on the auxiliary steam pipes, connected with the plate machine body and used for conducting multi-point air inlet on an inner cavity of the plate machine body so that the inner cavity of the plate machine body can be evenly heated. According to the utility model, through the arrangement of the steam conveying device, steam uniformly enters the mold cavity through multiple points, so that foam in the mold cavity is uniformly heated, the degree of ripeness of the foam is consistent, and a manufactured foam plate is high in quality and reliable.

The application provides a shield tunnel segment distribution setting method and system. The shield tunnel segment distribution setting method comprises the following steps: grabbing real-time data measured by a shield machine, wherein the real-time data are real-time data of a last ring assembling point of the shield machine; performing multiple point selection through staggered seam conditions, a shield tail gap, a stroke difference and an axis deviation to obtain an assembling point for current ring operation of the shield machine; and assembling segments of the shield machine according to the assembling point for current ring operation. The system comprises modules corresponding to the method steps.

The present application discloses a method and system for synchronously monitoring the corrosion of buried pipelines at multiple points, which relates to the technical field of pipeline corrosion monitoring and is used to improve the overall safety factor of buried pipelines in complex environments. The method of the present application includes: collecting soil parameters and electrochemical parameters of each numbered pipe section in the buried pipeline to be tested; performing a corrosive analysis on the soil parameters to obtain a first corrosion risk index for each numbered pipe section; calculating the stray current density of each numbered pipe section based on the electrochemical parameters; comparing the stray current density of each numbered pipe section with a preset threshold gradient, and determining a second corrosion risk index for each numbered pipe section based on the comparison result; performing a weighted calculation on the first corrosion risk index and the second corrosion risk index to generate a corrosion risk level distribution for each numbered pipe section; determining the numbered pipe section whose corresponding corrosion risk level meets the preset level as a risky pipe section, and adjusting the cathodic protection parameters of the risky pipe section according to the parameter adjustment mechanism.

The invention relates to the technical field of three-dimensional detection, in particular to a three-dimensional detection method and device using multi-point laser ranging, and the method comprises the steps: fixing a detection body which is provided with a plurality of detection layers which gradually change according to certain distance indexing on an object to be detected, a detection surface is in a ball, ellipse or cone shape and has the characteristic of gradually changing according to certain distance indexing, laser rangefinders are arranged at corresponding positions of the detection surface according to certain distances, multi-point measurement light spots respectively detect distance data of all points of the detection surface, and distance values of all the points generate unique position IDs according to a set sequence; and the three-dimensional coordinates of the measured object are calculated by combining the fixed geometric space relationship of each detection point and are compared with the initial coordinates, the three-dimensional displacement vector is calculated, and the corresponding device comprises a detection part, a laser ranging part and a processing part. The multi-layer detection structure is combined with the laser ranging device, two ranging modes of single-point scanning and multi-point synchronization are supported, the structure is simple, deployment is convenient, and adaptability is high.

This invention discloses a three-point method for measuring the deflection of subway vehicles, comprising the following steps: 1. Parking the subway vehicle to be measured on the zero rail; 2. Measuring the vertical distance from multiple points on the bottom of each car of the subway vehicle to the zero rail using a level and a measuring tape; 3. Calculating the heights Y1, Y3, and Y2 of the leading end, trailing end, and center point of each car from the zero rail surface according to the following formulas; 4. Calculating the height differences HZ1 and HZ2 between the first and second bogies of each car; 5. Correcting Y1, Y3, and Y2 based on the difference between HZ1 and HZ2; 6. Repeating steps 2 to 5 to obtain Y1, Y3, and Y2 for all cars of the subway vehicle, and summing them to obtain the deflection range of the subway vehicle. This invention can measure the deflection of rail transit vehicles more accurately, and saves measurement time, improving measurement efficiency.

The invention relates to a multi-point electroencephalogram analysis method and device, a storage medium and electronic equipment, and relates to the technical field of data processing.The method comprises the steps that electroencephalogram data of multiple points of the brain of a target user is obtained; preprocessing the electroencephalogram data to obtain processed target electroencephalogram data; determining a first evaluation result of a first dimension according to the target electroencephalogram data, determining a second evaluation result of a second dimension according to the target electroencephalogram data, determining a third evaluation result of a third dimension according to the target electroencephalogram data, and determining a fourth evaluation result of a fourth dimension; and performing multi-dimensional decision fusion on the first evaluation result, the second evaluation result, the third evaluation result and the fourth evaluation result to obtain a final evaluation result of the brain function state of the target user. The method has the effect of improving the accuracy of brain function state evaluation.

The application relates to the technical field of tunnel construction measuring devices, and discloses a tunnel surrounding rock multi-point displacement mechanical measuring device which comprises a base, a battery box and a data transceiving box, the bottom of the battery box is fixedly provided with a square plate, and the square plate and the base are fixedly connected through connecting columns; further comprising: four mounting plates which are fixed to the bottom of the square plate and are arranged in an annular array, a telescopic frame is arranged below the bottom of the mounting plate, a connecting block is fixedly arranged at the middle of one end of the telescopic frame, a fixing piece is arranged on the connecting block, and a laser ranging probe is detachably connected to the connecting block through the fixing piece; the existing multi-point measuring device is improved, a plurality of swing units are driven by a synchronous unit to reciprocate, the detection position of the laser ranging probe is automatically changed, the flexibility of the laser ranging probe is improved, the measuring range is expanded, the tunnel surrounding rock is measured at multiple points, and the deformation measurement of the surrounding rock is more accurate.

The present application relates to a kind of BP-PID intelligent control system for constant temperature drying oven, belong to industrial oven precision temperature control technical field.The system is by using BP neural network algorithm, the parameter of traditional PID controller is dynamically set online, combined with the high-precision temperature and humidity sensor of multiple point layout in the box, constructs adaptive temperature control loop with self-learning ability.BP neural network is fed forward according to the deviation of system real-time operating state and set value, real-time adjustment PID parameter to match the dynamic characteristics of controlled object.The system can significantly improve the dynamic response speed and steady control precision of constant temperature drying oven under the working condition such as temperature rise, anti-interference, effectively overcome the shortcomings of large overshoot and poor adaptability of traditional PID control, provide highly stable and uniform thermal environment for the drying process of temperature sensitive material, significantly improve product quality and drying efficiency.

The system according to this embodiment aims to enable users to efficiently manage multiple point programs and prevent points from expiring. [Solution] The system according to the embodiment comprises a confirmation unit, a notification unit, and a proposal unit. The confirmation unit confirms the status of the points. The notification unit provides notification before the expiration date based on the status of the points confirmed by the confirmation unit. The proposal unit proposes the optimal method for converting or using the points based on the information provided by the notification unit.

A method for coordinated multiple point (CoMP) transmission performed by a terminal includes: obtaining CoMP transmission configuration information configured by a network device, wherein the CoMP configuration information configures multiple transmission reception points (mTRP) or a plurality of TRP groups, each TRP group in the plurality of TRP groups comprises at least one TRP, and the mTRP or the plurality of TRP groups perform coherent joint transmission (CJT); selecting all or part of TRPs to perform the CJT from the mTRP, or selecting all or part of TRP groups to perform the CJT from the plurality of TRP groups, based on the CoMP transmission configuration information; and sending indication information to the network device, wherein the indication information indicates the TRPs selected by the terminal to perform the CJT from the mTRP, or the TRP groups selected by the terminal to perform the CJT from the plurality of TRP groups.

The utility model discloses a coil spring cover multipoint pin pressing device of a retractor, which comprises a placing seat, the bottom of the placing seat is provided with a sliding chute, a sliding rail penetrates through the sliding chute, the sliding rail is arranged on a base, one end of the sliding rail is provided with a first positioning part which can abut against the side wall of the placing seat, and the other end of the sliding rail is provided with a second positioning part which can abut against the side wall of the placing seat. The other end of the sliding rail is provided with a positioning seat capable of abutting against the side wall of the containing seat, the top of the containing seat is provided with a positioning step, a positioning pin is arranged on the positioning step, the end, corresponding to the positioning step, of the containing seat extends to be provided with an abutting inclined face, and side clamping plates are arranged on the two sides, corresponding to the positioning step, of the containing seat. A supporting plate is arranged below the position, corresponding to the abutting inclined face, of the containing base, an ultrasonic riveting head is arranged above the containing base, and the ultrasonic riveting head is connected with a lifting driving assembly. The multi-point pin pressing device is simple in structure and reasonable in design, multi-point pin pressing operation of the coil spring cover can be conveniently achieved, and pin pressing precision and reliability are guaranteed.

The present invention belongs to the field of semiconductor manufacturing technology and discloses a method and system for detecting the temperature uniformity of a wafer heating plate based on time-series multi-point sensing. The method comprises a PLC controller that simultaneously controls the operation of a rotating multi-point detection frame and the wafer heating plate. The temperature sensor array on the rotating multi-point detection frame scans the wafer heating plate in a heating state for one cycle and synchronously collects data at multiple points, obtaining a set of correlated data corresponding to the heating parameters of the wafer heating plate, including synchronous changes in the four elements of time-series data, temperature data, and spatial data at each point. The system then compares the dynamic change rates between the four-dimensional correlated data sets to determine whether the absolute temperature change error and the dynamic change rate between each point are simultaneously within an allowable range, obtains the test results, and indicates the position coordinates and error values of unqualified points. The system structure of the present invention is compact, the method is simple and accurate, and it can automatically and batch complete the multi-element temperature uniformity detection of wafer heating plates.

The utility model belongs to the technical field of screen plates, and particularly relates to a multi-point pressure testing device for screen plate processing, which solves the problem that in the prior art, the existing pressure testing device generally cannot perform pressure testing on a plurality of points on a screen plate, and comprises a supporting box, four supporting seats for supporting the screen plate are arranged above the supporting box, and the supporting seats are arranged on the supporting box. Four fixing rods are fixedly connected to the upper surface of the supporting box, a fixing plate is arranged above the supporting box, a screen plate can be supported through the supporting box and the supporting base, the screen plate can be more conveniently and rapidly tested, a testing mechanism can be supported and fixed through the fixing rods and the fixing plate, and the testing efficiency is improved. Through the testing mechanism, the purpose of testing the pressure of the screen plate can be achieved, multiple point positions on the screen plate can be tested, the testing position can be adjusted, and the testing effect of the device on the screen plate can be better.

The present invention relates to the technical field of water-cooled roller turning processing, and specifically to an adaptive water-cooled roller dynamic cutting processing equipment, comprising a multi-point clamping component, a pressure regulating component, a driving component and a feeding component; the multi-point clamping component is connected to a three-jaw chuck, and the pressure regulating component is connected to a lathe body; the driving component is connected to the pressure regulating component; the feeding component is connected to the pressure regulating component; water-cooled rollers of different lengths are uniformly clamped at multiple points by a multi-point clamping mechanism, and the multi-point clamping mechanism rotates together with the water-cooled roller during the cutting process to accelerate the air flow speed and change the flow direction, thereby preventing the water-cooled roller from thermal deformation; during cutting feed, as the cutting force increases, the pressure regulating component and the driving component will increase the clamping force of the three-jaw chuck and the clamping ring plate on the water-cooled roller, thereby solving the problem that the water-cooled roller needs to be welded with a guide plate first, resulting in the inability to support it from the inside, and the large aspect ratio of the water-cooled roller causes it to deflect under the cutting force during end turning.

The application provides a data processing method and device and related equipment, the method comprising: a processor acquires a first instruction, the first instruction is used for indicating the distance between points in a first point set and points in a second point set; the processor acquires the coordinates of the points in the first point set, the coordinates of the points in the second point set and a second instruction from the memory according to the first instruction, the second instruction comprising a vector cross product operation instruction; then the processor calculates the distance between the points in the first point set and the points in the second point set according to the coordinates of the points in the first point set, the coordinates of the points in the second point set and the second instruction; and the processor saves or outputs the distance between the points in the first point set and the points in the second point set. In the distance calculation scenario between multiple points, the vector cross product operation instruction with high computing power is used to instruct the processor to perform corresponding calculation, which helps to shorten the overall time of distance calculation between multiple points.

The utility model discloses a movable operating platform capable of synchronously constructing at multiple points, which is of a frame structure and comprises a transverse truss and a U-shaped frame, vertical trusses are arranged on two sides of the transverse truss, and the U-shaped frame surrounds the cross section of the transverse truss and is simultaneously used as a lifting point of the movable operating platform to be connected with a walking system. The walking system is matched with a walking track on the lower portion of the steel beam and provides power for the movable operation platform to move along the walking track. The front side of the transverse truss is detachably connected with a cantilever structure; a platform is arranged on the truss, and the height of the platform is matched with that of a corresponding site construction point. The device is used for construction at the lower joint of the steel truss girder bridge, does not need to be mounted and dismounted back and forth, can meet synchronous multi-point construction, and is convenient to move.

The utility model provides a kind of batch grabbing unloading mechanism and food processing equipment for strip meat product, including mechanical arm and the multiple point unloading end of installation in the execution end of mechanical arm;Mechanical arm is arranged in the side of feeding platform, and multiple side-by-side strip raw materials are placed on feeding platform;Multiple point unloading end includes mounting plate and multiple unloading grabbing mechanism, mounting plate is fixedly installed on the execution end of mechanical arm, and multiple unloading grabbing mechanism is installed on mounting plate in arc staggered manner;When mechanical arm is in the grabbing pose, in multiple unloading grabbing mechanism, only the end of one unloading grabbing mechanism is in the grabbing plane.The utility model sets up multiple point unloading end, simultaneously grabbing and placing multiple side-by-side meat product raw materials in one action, significantly improve the number of single unloading, so that raw material is more closely, neatly and side-by-side placed on receiving platform, and by unloading gripper staggered installation, avoid the situation that remaining unloading gripper and raw material interfere when grabbing.

The invention relates to a multi-point detection method for the content of heavy metals in soil, which is applied to the related technical field of soil detection, by arranging a plurality of detection piles, multi-point and different-depth synchronous initial detection of to-be-detected soil can be realized firstly, and then the detection precision is effectively ensured in cooperation with a laboratory rechecking mode, so that the detection accuracy is improved. In addition, in the process, in cooperation with sample pre-filling operation, before the detection pile is pre-embedded, a sample can be put into the pre-assimilation strip at the target depth in advance, so that the sample is gradually assimilated with surrounding soil in the pre-embedding detection process, and when re-detection is conducted after the initial detection is abnormal, the pre-assimilation strip at the target depth can be put into the pre-assimilation strip at the target depth. According to the method, the pre-assimilation strip can be directly taken out to obtain the sample at the abnormal point position, and compared with the prior art, excavation sampling is not needed, the excavation sampling process can be effectively simplified, the detection time span is greatly shortened, and the detection efficiency is improved.

The invention provides a boiler guard plate multi-point synchronous bending forming device and a bending method, the boiler guard plate multi-point synchronous bending forming device comprises a downward pressing mechanism and a downward bending mechanism, and the downward bending mechanism comprises a liftable elastic bearing mechanism used for bearing a plate. And the multi-point bending mechanisms are arranged at the two ends of the liftable elastic bearing mechanism. The downward pressing mechanism comprises an inner forming block used for conducting inner forming on the plate. And the downward pressing mechanism extrudes the plate placed on the surface of the liftable elastic bearing mechanism, so that the liftable elastic bearing mechanism descends. And along with the descending of the liftable elastic bearing mechanism, the multi-point bending mechanism is used for carrying out multi-point bending on the plate. The multi-point bending mechanism is driven by downward pressing of the downward pressing mechanism to conduct multi-point bending on the plate, multiple bending procedures of the edge of the plate are completed through one-time action, the tedious steps of multiple times of clamping and positioning in traditional machining are effectively reduced, the production efficiency is improved, the forming consistency is guaranteed, and the die cost is reduced.

The invention discloses a multi-point sampler for dispersive gastric signet-ring cell carcinoma tissues. The multi-point sampler can be used for sampling the tissues at multiple points in the process of entering an endoscope channel at one time. Comprising an imbedding hose, a sampling head and an external operating handle, the sampling head is provided with a main shell, a sampling needle, a sample microcapsule, a sample suction pipeline and a needle part control structure; the main shell is provided with at least three needle placing channels and capsule cabins, the number of the capsule cabins is consistent with that of the needle placing channels, the needle placing channels extend to the surface of the end of the main shell to form a needle outlet, a sampling needle is arranged in each needle placing channel, and the needle part control structure controls any sampling needle to extend out of or retract into the needle placing channel; the capsule cabins are arranged around the main shell, a taking-out opening is formed in the side of the main shell, and a sample microcapsule is arranged in each capsule cabin; negative pressure pipes are arranged in the imbedding hose; and each negative pressure pipe, the sample microcapsule, the sample suction pipeline and the sampling needle are sequentially connected to form a group of sampling channels.

The utility model provides a satellite point diffusion re-check multi-point fog-sand multi-effect lens and glasses, and relates to the technical field of lenses, the lens comprises a lens body, at least partial area of the lens body is provided with a point diffusion area, the point diffusion area comprises a transition point diffusion area, a main nucleus point diffusion area and a satellite point diffusion area, the transition point diffusion area is arranged at the inner side, and the main nucleus point diffusion area is arranged at the outer side. The main nuclear point diffusion area and the transition point diffusion area are arranged on the outer side, and the main nuclear point diffusion area and the satellite point diffusion area coincide; the main nuclear point diffusion area comprises a plurality of main nuclear diffusion points, the satellite point diffusion area comprises a plurality of satellite diffusion points, the diameter of the satellite diffusion points is smaller than that of the main nuclear diffusion points, and the satellite diffusion points and the main nuclear diffusion points are arranged in a staggered mode; on one hand, on the basis of ensuring the light transmission of the lens, vision deepening is inhibited in a contrast weakening mode, the effect is remarkable, on the other hand, contrast change transition is gentle and gentle, visual impairment caused by overlarge contrast difference change can be effectively reduced, and the lens is more comfortable to wear.

The invention discloses a water body multi-point sampling device for environment detection, which comprises a bottom plate and a traction mechanism arranged at the top of the bottom plate, and further comprises upright columns correspondingly arranged on the front side of the bottom plate, a linear adjusting mechanism is arranged on the front sides of the two upright columns, and a plurality of vertical columns are arranged on the front side of the linear adjusting mechanism; the traction mechanism is connected with a mounting rack through a traction rope of the traction mechanism via a linear adjusting mechanism, and the mounting rack is detachably connected with a sampling mechanism; through the arranged sampling mechanism, a power source is used for driving a connecting sleeve to rotate, a sealing block is driven to accurately control opening and closing of a plurality of water inlets, and a plurality of independent sampling chambers formed by internal partition plates are matched, so that water body samples at different positions can be respectively collected, and multi-point and multi-depth synchronous sampling is realized. The complex operation of repeatedly replacing the sampling bottle and repeating the sampling process is avoided, the sampling efficiency is greatly improved, the labor intensity of operators is reduced, and the problem that an existing sampling device can only obtain a water body sample with a single depth through single-time operation is effectively solved.

To provide a multipoint vibration measurement test bench for simultaneously measuring vibration information of a measurement object at a plurality of points by making it possible to cope with the case of simultaneously needing the vibration information at a plurality of points and making it possible to more correctly examine a vibration factor by acquiring vibration information of a wide area.SOLUTION: A multipoint vibration measurement test bench uses measuring light and reference light distributed into a plurality of light paths from a light source 1 through an optical distributor 110 to synchronously acquire vibration information of a plurality of measurement points two-dimensionally distributed on a measurement surface of a measurement object 5 by a plurality of multipoint vibration measurement parts 170A, 170B, ..., and an integration processing part 190 integrates vibration information of each local coordinates synchronously acquired by the plurality of multipoint vibration measurement parts into three-dimensional vibration information in global coordinates defining a three-dimensional space including a test bench, performs FFT analysis about the integrated three-dimensional vibration information of the global coordinates (Xglobal,Yglobal,Zglobal), and performs the specification of an earthquake location and image display of a vibration distribution.SELECTED DRAWING: Figure 2

The invention discloses an in-situ closed coring gas content continuous multi-point intelligent accurate measurement system. The system comprises a computer, and a drill bit, a coring device, an adapter, a plurality of drill rod assemblies and a water-gas-electricity three-channel drill tail assembly which are coaxially connected in series in sequence from front to back; the coring device comprises a coring pipe, a ball valve sealing assembly, a block breaking-weight measuring assembly, a hydraulic driving assembly and an intelligent control-gas measuring assembly. According to the method, the principle is scientific, continuous closed coring can be conducted, the gas content of multiple points of a coal seam can be continuously measured, after the gas content of closed coring at a certain position is measured, the gas content of closed coring at a next position can be measured without drill retreating, and the method can thoroughly avoid invalid auxiliary workloads such as open hole feeding and drill retreating in the coring process; and meanwhile, the time efficiency of coring and gas content measurement can be enhanced, the in-situ measurement precision of the gas content is improved, the gas loss amount generated in the repeated drill retreating-drill feeding process is reduced, the gas content measurement period is shortened, and the operation efficiency is improved.

The utility model relates to the technical field of medical instruments, and discloses a cardio-pulmonary resuscitation pressure multi-point detection structure which comprises a base on which a plurality of force sensors are arranged; the pressing main body is arranged on the bearing frame, a pressing head on the pressing main body is arranged below the bearing frame, and the pressing main body is connected with the force measuring sensor through the bearing frame. According to the utility model, the bearing frame is connected with the plurality of force sensors, multi-point support is formed for the pressing main body, the pressure of each supporting point can be detected through the plurality of force sensors, multi-point measurement is realized, measurement errors caused by non-uniform stress of the pressing head are avoided, and the measurement accuracy is improved.