376results about "Material strength using steady torsional forces" patented technology

The invention relates to the technical field of metal fatigue life prediction, in particular to an additive manufacturing metal multi-axis high-cycle fatigue life prediction method based on defect characteristics. The method comprises the following steps: performing defect detection on a metal sample to obtain size parameters and position parameters of defects in the metal sample; determining the type of the defect in the metal sample and setting a first correction factor and a second correction factor; calculating the equivalent stress strength factor amplitude of the metal sample under multi-axial loading; acquiring a long crack propagation threshold value of the metal sample; normalizing the position parameters to obtain normalized position parameters; and establishing a fatigue life prediction model of the metal sample according to the normalized position parameters, the equivalent stress strength factor amplitude of the metal sample under multi-axial loading and the long crack propagation threshold value of the metal sample, and calculating the multi-axial high-cycle fatigue life of the metal sample. According to the method, the fatigue life of the metal material containing the additive manufacturing defects under multi-axis high-cycle fatigue loading can be accurately predicted.

The invention particularly discloses a rock-soil body interface torsional shear characteristic and toughness parameter unit body test device which comprises a unit body sample blank manufacturing device, a centering device, a special drilling tool, a rib body and a torque load.The rock-soil body interface torsional shear characteristic and toughness parameter unit body test device has the beneficial effects that traditional direct shear / drawing shear is replaced with torsional shear loading; the problem that the interface contact area is reduced in the shearing process is thoroughly solved, it is ensured that the interface contact area of an anchor / pile and a rock-soil body is constant, a pressure water bag is arranged at the top of a test box unit body, the original overlying and confining pressure environment of a stratum is accurately simulated, a test anchor hole / pile hole is directly manufactured through a drilling technology, and the natural roughness characteristic of the hole wall is reserved to the maximum extent; the smooth wall surface limitation of traditional mold pore forming is broken through, the basic toughness concept of the anchor / pile-rock-soil body interface is defined for the first time, the nature of the basic toughness can be quantitatively represented by the robustness of the shear resistance of the interface, a matched toughness testing technology and evaluation method are developed, and a theoretical model and a calculation tool are provided for the toughness design of anchoring engineering and pile foundation engineering.

The invention relates to the technical field of screw and bolt performance testing, in particular to a screw and bolt torsion resistance detection device which comprises a workbench, a concave containing groove is formed in the workbench, and a clamping mechanism used for clamping a bolt workpiece is arranged in the containing groove; a guide seat is fixedly mounted on the workbench, a movable frame is slidably connected to the guide seat, an electric push rod is fixedly mounted on the guide seat, an annular pressure sensor is fixedly arranged at the top of the rear side of the movable frame, and a piston rod of the electric push rod slidably penetrates through the rear end of the movable frame and an inner ring of the annular pressure sensor. The top and the middle of a piston rod of the electric push rod are fixedly connected with limiting blocks correspondingly. According to the invention, the rotating ring is matched with the plurality of L-shaped plates, switching mechanisms of different types of bits are carried, and rapid and accurate automatic switching of the bits is realized in combination with the driving part, so that the detection requirements of bolt workpieces with different notch types are met, and the equipment universality and the detection efficiency are improved.

The invention discloses a hydrogen storage cylinder safety detection device, and relates to the technical field of hydrogen storage, the hydrogen storage cylinder safety detection device comprises a detection box, the detection box is fixedly arranged, a gas cylinder body is arranged in the detection box, a sealing cover is hermetically assembled at an opening part of the detection box, a safety cylinder is fixed on one side of the detection box, and the detection box is hermetically communicated with the safety cylinder; at least two detection assemblies are slidably arranged on the periphery of the gas cylinder body, a driving assembly is arranged in the detection box, the driving assembly is provided with two output ends, a first transmission assembly is arranged at the first output end of the driving assembly and used for driving the two detection assemblies to move horizontally, and a second transmission assembly is arranged at the second output end of the driving assembly. A second transmission assembly is arranged at the second output end of the driving assembly and used for driving the two detection assemblies to move in the circumferential direction.

A method and apparatus for testing a specimen with pressure, applying a torque using one or more plates coupled to the test specimen, applying a bending moment, and / or applying an axial load, either separately or simultaneously, with or without rotating the specimen, and without the applied forces interfering with each other.

The automobile part torsional fatigue test bench comprises a bench body, a driving mechanism is arranged at one end of the top surface of the bench body, a workpiece carrying structure is arranged at the other end of the top surface of the bench body, a force application structure is arranged at the position, close to the driving mechanism, of the top surface of the bench body, and the driving mechanism comprises a driving bin. The end, away from the force application structure, of the driving bin is fixedly connected with a servo motor, and the two sides of the middle of the interior of the driving bin are fixedly provided with a cycloidal-pin wheel speed reduction assembly and a planetary speed reduction assembly correspondingly. The driving mechanism is driven by the servo motor, a huge oil supply hydraulic system does not need to be used, the occupied area is small, the output torsion load can be switched through the cycloidal-pin wheel speed reduction assembly or the planetary speed reduction assembly, the load output through the planetary speed reduction assembly is low, constant loads can be repeatedly applied to a workpiece for a long time, and the working efficiency is improved. The output load of the cycloidal-pin wheel speed reduction assembly is high, destructive testing of the maximum load can be carried out, and two detection modes can be considered.

The utility model discloses a cable torsion resistance test device, which comprises a worm and gear reducer, a dynamic torque sensor, a torsion transmission shaft, a bearing seat, a cable fixing clamp, a screw rod sliding table, a linear guide rail sliding group, a counterweight and a servo motor, the servo motor is connected with the worm and gear speed reducer; the output end of the worm and gear speed reducer is connected with a dynamic torque sensor; one side of the dynamic torque sensor is connected with a torsion shaft; the torsion shaft is supported by a bearing seat; one side of the torsion shaft is connected with one end; the two ends of the cable are fixed through cable fixing clamps. The cable fixing clamp located on one side of the torsion shaft fixes the connecting end of the cable and the torsion shaft. The cable fixing clamp on the other side is arranged on the screw rod sliding table; the lead screw sliding table is installed on the linear guide rail sliding set. The other end of the cable is connected with the counterweight through a connecting piece. The device has the advantages of simple structure, low cost and the like, and the torsion resistance of different cables can be confirmed by comparing and measuring the measurement results of the different cables under the same test condition.

The invention discloses anti-torsion measuring equipment for multi-directional stress of a sectional material. The anti-torsion measuring equipment comprises the sectional material and measuring equipment for applying torsion to the sectional material, the measuring device comprises: a support frame; the movable plate is mounted on the supporting frame, and a lifting mechanism is arranged between the movable plate and the supporting frame; the torque applying system is arranged on the moving plate, comprises a motor, a belt pulley transmission structure, a speed reducer, a coupler, a rotating shaft, a universal joint I and a three-jaw chuck I, and is used for applying torque to the top end of the profile; the invention belongs to the technical field of profile detection, aims to solve the problem that only pure torque or single-direction bending force can be tested in the prior art, and achieves the technical effect that composite loading of profile axial torque and spatial omnidirectional lateral force is realized through circumferential rotation driven by a planetary gear and pitching adjustment of an arc-shaped rod-sliding block.

The invention discloses an aero-engine turbine blade material in-situ mechanical test system and method, and the system comprises a multi-axis loading unit which is used for simulating the multi-axis stress state of a turbine blade under an actual working condition; the high-temperature environment module is used for realizing local rapid heating of the sample; the in-situ observation system integrates a high-temperature microscope lens with a long working distance and a high-speed camera and is used for observing and recording microscopic damage evolution of the turbine blade sample in a high-temperature loading process in real time; and the control unit is internally provided with a temperature-stress decoupling control model and a microdefect identification model and is used for compensating the plastic deformation heat effect in real time and quantifying the damage factor D. Synchronous loading of centrifugal force is achieved through the three-axis servo actuator, composite stress is accurately reproduced, the load error is small, and the limitation that a traditional single-axis test cannot simulate the multi-source load of the blade is broken through. Meanwhile, plastic work-induced temperature rise interference is reduced, and the technical problem of data distortion caused by temperature drift in a high-temperature test is solved.

The invention discloses a waterproof curtain construction method applied to an upper-soft lower-hard stratum. Comprising the following steps that firstly, a stratum interface is sequentially divided into a soft soil layer, a soft and hard boundary layer and a hard rock layer from top to bottom; a milling cutter module is adopted for operation in the soft soil layer; operation is carried out after a high-frequency vibration mode is carried out on the cutting and milling cutter module on the soft and hard boundary layer; the cutting and milling cutter module is switched to the hobbing cutter module for operation in the hard rock stratum; a'soft soil-junction-hard rock 'three-layer dynamic matching system is established, and single-drilling-tool multi-depth continuous operation is achieved; the drilling efficiency of the soft and hard boundary layer is improved in a high-frequency vibration mode; wherein a primary risk automatic filtering mechanism reduces most of invalid shutdown.

The invention discloses a rock dynamic pressure-torsion experimental device and method based on a Hopkinson pressure bar, and belongs to the technical field of rock mechanics dynamic testing. The device mainly comprises a split Hopkinson pressure bar system and a spiral conversion mechanism, wherein the spiral conversion mechanism consists of a spiral (4) and a screw sleeve (5) which are meshed with each other; the screw (4) is fixedly connected with the incident rod (2), the screw sleeve (5) is fixedly connected with one end of a cylindrical rock sample (6), and the other end of the sample is fixedly connected with the transmission rod (7). The core is that the lead angle of the screw pair is greater than the equivalent friction angle of the screw pair under the impact load, so that the screw pair is ensured to be non-self-locked; and the sample (6) is of a hollow thin-wall cylinder structure. The method comprises the following steps: driving the spiral (4) to advance by utilizing axial stress waves generated by the split Hopkinson pressure bar, and driving the hollow sample to rotate by the screw sleeve in a forced constraint state, so as to synchronously apply dynamic axial compression and torsional shear combined load.

The utility model provides a torsion test device for a damper spring of a clutch driven plate. The device specifically comprises a first rack, a second rack, a torsion loading mechanism, a transmission mechanism and a clamping mechanism. The first rack and the second rack are oppositely arranged; the torsion loading mechanism is connected with the first rack; one end of the transmission mechanism is connected with the torsion loading mechanism, and the other end of the transmission mechanism is connected with a driven disc to be detected; the clamping mechanism is connected with the second rack, a clamping space is formed in the side, facing the transmission mechanism, of the clamping mechanism and used for clamping the driven disc, and the transmission mechanism is provided with a clamping position which moves towards the side of the clamping mechanism so as to clamp the driven disc; when the transmission mechanism is located at the clamping position, the torsion loading mechanism applies torque to the driven disc through the transmission mechanism to rotate so as to carry out reliability test on the driven disc and the damper spring located on the driven disc. The problem that the reliability of the clutch driven disc, especially the pre-damping spring, is not verified in the prior art is solved.

The invention discloses a reinforced concrete structure fire resistance testing and evaluating system, and relates to the technical field of fire resistance testing, the reinforced concrete structure fire resistance testing and evaluating system comprises a base, the upper end face of which is fixedly provided with a bin body; the hydraulic cylinder is fixed on the bin body; the loading assembly is fixed at the output end of the hydraulic cylinder; the loading disc is fixed on the lower end face of the loading assembly, and a heat insulation disc is fixed on the lower end face of the loading disc; the heat insulation disc is sleeved with the protection barrel, and a plurality of sensors are installed in the protection barrel; the heating assembly is fixed on the base, and the heating assembly and the protective cylinder are coaxially arranged; buffering is provided when the test piece is heated to expand or deform, and the two stabilizing plates can be opened and closed through the linkage assembly, so that auxiliary clamping force is provided, and clamping stability is improved.

The invention discloses a tool and a method for testing the construction quality of a welding stud of a bottom brick of a float tin bath. The tool comprises a torque wrench, a fixed seat, a transmission rod, a sleeve and a rotating part, the fixing seat is arranged on the upper surface of a tin bath bottom brick, one end of the transmission rod penetrates through and extends out of the fixing seat, the torque wrench can be matched with the extending end of the transmission rod, one end of the welding stud is welded to the bath bottom face of the steel shell, the sleeve can be arranged at the other end of the welding stud in a sleeved mode, and the other end of the transmission rod extends into the sleeve and is movably connected with the sleeve. The rotating piece is arranged in the fixing base and arranged at one end of the transmission rod in a sleeving mode. According to the tool and the method, the transmission rod is matched with a rotating piece such as a thrust ball bearing, so that torque can be effectively transmitted, and accuracy and effectiveness of testing are guaranteed. The tool is easy to manufacture, convenient to test and operate, and suitable for testing the welding studs in the tin bath bottom bricks with different taper hole heights.

The utility model relates to the technical field of calibration tools, and discloses a calibration tool suitable for a tensile torsion test platform, the tensile torsion test platform comprises a tensile testing machine and a torsion testing machine, and the calibration tool comprises a tensile calibration tool and a torsion calibration tool. The tensile calibration tool comprises a tension bar, a tensile sensor, a first connecting flange and a second connecting flange, the torsion calibration tool comprises a torsion bar, a torque sensor, a third connecting flange and a fourth connecting flange, and the two ends of the tensile calibration tool or the two ends of the torsion calibration tool are connected with the driving end of the tensile testing machine and the driving end of the torsion testing machine respectively. Preset loads are loaded through the tensile testing machine and the torsion testing machine, detection values obtained by the tensile sensor and the torque sensor are compared with load values loaded by the tensile testing machine and the torsion testing machine, and finally the preset load value loaded by the tensile and torsion testing platform is calibrated. The method has the characteristics of accurate calibration result and convenience in operation.

The application discloses a performance testing device and method for an aviation oil pressure pipeline joint, belongs to the technical field of aviation pipeline testing, and comprises a test table and a sealing detection system. The test table comprises a base, and the base is provided with a bearing assembly, a joint bending and twisting assembly and a pipeline bending and twisting assembly. The bearing assembly comprises a bottom plate, a supporting shaft and a bearing plate. The two ends of the supporting shaft are fixedly connected with the bottom plate and the bearing plate respectively. The bearing plate is used for bearing a pipe joint. The two ends of the pipe joint are connected with aviation pipes. The joint bending and twisting assembly is used for applying bending and twisting forces to the pipe joint. The pipeline bending and twisting assembly is used for applying bending and twisting forces to the aviation pipes. The sealing detection system is used for detecting the sealing performance of the aviation pipes and the pipe joint. Therefore, the working conditions of the aviation pipes and the pipe joint under the bending and twisting forces can be simulated.

A testing method for Young's modulus and Poisson's ratio based on a square plate is provided, which including: obtaining a height, a length, a density, and a quality information of the square plate specimen; measuring the first-order torsional frequencie and the second-order torsional frequencie of the square plate specimen; calculating Poisson's ratio based on the height, the length, the first-order torsional frequency, and the second-order torsional frequency of the square plate specimen; calculating the Young's modulus of the square plate specimen based on the Poisson's ratio and the density. The method establishes a continuous function relationship between the parameter set of the test specimen and the torsional frequency using homotopy method, which can be used to calculate Poisson's ratio. When the material density and Poisson's ratio are known, the Young's modulus can be calculated in conjunction with ANSYS software. The method has advantages in both testing efficiency and accuracy.

The invention relates to the technical field of fatigue torque detection, in particular to a serpentine spring fatigue torque detection device of a serpentine spring coupler and a detection method thereof.The serpentine spring fatigue torque detection device comprises a workbench and a supporting column fixed to the workbench, a top plate is arranged at the end of the supporting column, and a movable plate slides in the axial direction of the supporting column; the first rotating rod is rotationally installed on the workbench, a second rotating rod coaxial with the first rotating rod is rotationally installed on the movable plate, and a torque sensor is installed on the second rotating rod; the telescopic testing mechanisms are symmetrically arranged and connected with the first rotating rod and the second rotating rod, clamping teeth which are circumferentially distributed at equal intervals are connected to the telescopic testing mechanisms, a tooth groove is formed between every two adjacent clamping teeth, and regulation and control mechanisms connected with the telescopic testing mechanisms are further arranged on the workbench and the movable plate correspondingly. Through the cooperation of the telescopic test mechanism and the regulation and control mechanism, the distance between the latches can be adjusted so as to ensure that the latches can be smoothly inserted between the serpentine springs.

The method for non-destructively measuring the bonding strength of wafers comprises the following steps: Step 1: placing two wafers that have been bonded on a working platform, wherein the first wafer located at the bottom is fixed to the surface of the working platform; Step 2: applying pressure and tension to the second wafer located at the top at different regions thereof at the same time; Step 3: a crack is generated between the second wafer and the first wafer under the pressure and tension; Step 4: after the crack is formed, spraying water mist into the crack to allow the water mist to penetrate into the crack; Step 5: measuring the size of the crack and calculating the bonding strength of the wafer according to the following formula: γ=3Et3y2 / 32L4.

The utility model discloses screening equipment for selecting simulated bone materials and cancellous structures, which is characterized in that a torque measuring instrument is fixed below a fixing frame, and a test block fixing mechanism for fixing and positioning a to-be-tested bone planting test block is fixedly arranged on a measuring workbench of the torque measuring instrument; the screwdriver can rotate in the circumferential direction and can be installed on the fixing frame in the mode that the screwdriver can ascend and descend by a set distance in the axial direction, the lower end of the screwdriver is provided with a pattern matched with the head of a to-be-locked simulation planting nail on a bone planting test block, and the rotation driving device installed on the fixing frame can drive the screwdriver to rotate. The balance weight mechanism which can be installed on the fixing frame in a lifting mode provides axial downward pressure for the screwdriver, the torque measuring instrument can detect the torque applied to the bone planting test block by the screw, the controller controls the rotation driving device to operate, and the bone planting test block is simple in structure, convenient to operate and high in practicability. According to the utility model, the material for simulating the alveolar bone in the dental implant practical training model can be selected more objectively, and errors caused by subjective hand feeling selection are avoided.

The utility model relates to the technical field of torsion testing, in particular to a torsion testing machine for parts, which comprises a workbench, a loading box is fixedly arranged on one side of the top of the workbench, a sliding table is slidably mounted on one side, far away from the loading box, of the top of the workbench, a screw rod is rotatably mounted at a position, corresponding to the sliding table, of the workbench, and the screw rod is movably mounted on the workbench. One end of the screw rod is provided with a moving motor, and the sliding table is fixedly provided with a force measuring box. By arranging the lifting assembly, the bearing assembly and the driving assembly, a sample shaft is fixed and supported through the supporting rollers, the height of the sample shaft is adjusted through the lifting assembly, the installation process is easier, the position of the sample shaft is conveniently adjusted in a rolling mode during clamping through the arrangement of rolling supporting of the supporting rollers, and the installation efficiency is greatly improved; meanwhile, when the height of the sample shaft is adjusted, the scales on the ruler plate can assist in adjustment, the accuracy of the position of the sample shaft is ensured, and a reliable basis is provided for subsequent torsion tests.

The utility model discloses an automobile torsion bar strength simple detection device comprising a pedestal, two parallel guide rails are arranged on the pedestal, one end of each guide rail is provided with a slide block, the other end of each guide rail is provided with a fixed block, a rotating shaft parallel to the guide rails in the fixed block is communicated with two sides of the fixed block, and one end of the front end of the rotating shaft located at the inner side of the fixed block is provided with a rotating disc. A mounting groove is formed in the axis position of the other side of the rotary disc, a mounting block is arranged in the mounting groove, and a fixing groove is formed in the mounting block. The beneficial effects of the utility model are that the utility model provides a simple and convenient automobile torsion bar strength detection device, through adopting a simple, convenient and rapid detection technology, the time of torsion bar strength detection is greatly shortened, compared with a traditional manual loading experiment, the novel device can realize timely and rapid detection, the detection period is reduced, and the detection efficiency is improved. The production efficiency is improved, and the rapid production line detection requirement is met.

The utility model relates to the technical field of torsion beam welding strength detection, and discloses torsion beam welding strength detection equipment which comprises a bottom plate, a vertical plate is fixedly connected to the top of the bottom plate, a limiting groove is formed in the inner wall of the vertical plate, and two fixing blocks are fixedly connected to the front side of the outer portion of the vertical plate. A rotating assembly providing transmission capacity is arranged outside one fixing block, the outer portion of the rotating assembly is rotationally connected to the inner wall of the other fixing block, and two connecting strips are detachably connected to the outer portion of the rotating assembly. And rotating shafts are connected to the exteriors of the two connecting strips and the inner wall of the rotating assembly in a penetrating manner. According to the magnetic powder spraying device, the effect that the device is started while powder is scattered is achieved, and the problems that when an operator sprays magnetic powder, the device needs to stop starting, the working time of the operator is prolonged, and the detection efficiency is reduced are solved.

The invention discloses an intelligent door lock handle static tension and torsion test device and method. The intelligent door lock handle static tension and torsion test device comprises a fixing jig, a positioning assembly and a load applying assembly, the load applying assembly comprises a mounting frame, a transfer platform, a spline shaft, a rotating disc, a static tension applying module and a torsion applying module, the mounting frame is arranged beside the positioning assembly, the transfer platform is mounted on the mounting frame, and the spline shaft is mounted on the rotating disc. The spline shaft is provided with a working end and a connecting end, the working end of the spline shaft is provided with a connecting jig, and the connecting jig is provided with a connecting groove for an intelligent door lock handle to penetrate through; the rotating disc is arranged on the transfer platform, and the connecting end of the spline shaft is in key connection with the rotating disc and penetrates through the transfer platform; the spline shaft can be driven by the static tension applying module to move axially so as to apply static tension to the intelligent door lock handle, and the rotating disc can be driven by the torsion applying module to drive the spline shaft to rotate so as to apply torsion to the intelligent door lock handle. The device has the advantage of high test efficiency.

The invention discloses a performance testing device and method for an aviation oil pressure pipeline joint, and belongs to the technical field of aviation pipeline testing, the performance testing device comprises a test bed and a sealing performance detection system, the test bed comprises a base, and the base is provided with a bearing assembly, a joint bending and twisting assembly and a pipeline bending and twisting assembly; the bearing assembly comprises a bottom plate, a supporting shaft and a bearing plate, the two ends of the supporting shaft are fixedly connected with the bottom plate and the bearing plate correspondingly, the bearing plate is used for bearing a pipe joint, the two ends of the pipe joint are connected with aviation pipes correspondingly, the joint bending and twisting assembly is used for applying bending and twisting acting force to the pipe joint, and the pipeline bending and twisting assembly is used for applying bending and twisting acting force to the aviation pipes. The sealing performance detection system is used for detecting the sealing performance inside the aviation pipe and the pipe joint, so that the working condition of the aviation pipe and the pipe joint under the bending and twisting acting force can be simulated.

A stress-strain relationship estimation method according to the present invention comprises: a step (S1) for performing a torsion test on a first round bar test piece (10) to obtain a relationship between a torsion torque and a torsion angle; a step (S3) in which a torsion test is performed on a second round bar test piece (10) having a parallel section (11) having a smaller radius than the first round bar test piece (10), and the relationship between the torsion torque and the torsion angle is obtained; a step (S5) in which the relationship between the shear stress and the surface shear strain is obtained on the basis of the relationship between the torsion torque and the torsion angle obtained by the respective torsion tests of the first round bar test piece (10) and the second round bar test piece (10); and a step (S7) in which the shear stress and the surface shear strain are converted into uniaxial tensile stress and strain, and the relationship between the stress and the strain is estimated.

The utility model relates to a clamping device for a box-shaped piece torsion test, the clamping device comprises a first clamp body, a second clamp body and a base, the first clamp body is jointed to the base at the top of the base, the first clamp body is provided with a first accommodating groove, and the second clamp body is provided with a second accommodating groove. By means of the first clamp body and the second clamp body, the two ends of the box-shaped piece to be tested can be detachably clamped in the first containing groove and the second containing groove respectively, so that the box-shaped piece can be stably and firmly fixed, the accuracy of test data of a torsion test is guaranteed, and the test efficiency is improved. And such a configuration of the clamping device contributes to rapid installation and removal of the box.

The invention belongs to the technical field of circuit boards, and discloses a method and equipment for testing binding force of an insulating layer and a metal base layer in a metal-based copper-clad plate. The metal-based copper-clad plate comprises a metal base layer, an insulating layer arranged on the metal base layer and a copper foil layer arranged on the insulating layer, the test method comprises the following steps: (a) providing a test sample, reserving a predetermined copper foil area on a copper foil layer as a bonding pad, and removing copper foil outside the predetermined copper foil area; (b) fixing the first connecting piece on the bonding pad in a welding manner; (c) applying a rotating torque to the first connecting piece by adopting a torsion testing mechanism; (d) in the process of applying the rotating torque until the structural damage is reached, judging the interface position where the damage occurs; and (e) if the damage occurs between the metal base layer and the insulating layer, recording the torque value at the moment. The maximum torsion tolerance value of the bonding pad is quantified by simulating a use scene in a real assembly process, and the quality problem and economic loss caused by poor combination are avoided.

The invention discloses a bending-torsion coupling loading experiment blade clamping mechanism and a wind power blade, and the mechanism comprises two shells which are movably connected with each other and can be close to or far away from each other; the pushing main bodies are arranged on the two shells, the pushing main bodies axially coincide, and the pushing ends of the pushing main bodies extend to the inner sides of the shells; the buffer gasket is fixedly arranged at the pushing end, and a pressure detection unit is connected to the buffer gasket; and the clamping block is arranged at the bottom of the pressure detection unit and abuts against the blade. Blades in various shapes can be easily clamped by adjusting the distance between the two shells, so that the universality and the utilization rate of the clamping mechanism are improved; the arrangement of the pushing main body can ensure that the clamping force of each part of the blade is kept consistent and the experiment precision is improved, and the cooperative operation of the pressure detection unit, the buffer gasket and the clamping blocks can monitor the contact state of each clamping block in real time, and the pushing force is buffered, so that the blade is protected, the accurate simulation of the experiment is realized, and the experiment efficiency is improved. And the experiment cost is reduced.