474 results about "High loading" patented technology

The invention discloses a railway tunnel full-life-cycle model test system and test method considering train vibration, and relates to the technical field of railway tunnel engineering. The model test system adopts modular design and comprises a box frame module, a constant-pressure loading module, an excitation system module, a seepage system module and a monitoring system module. The test method comprises the steps of physical similar model laying, constant-pressure loading control, tunnel excavation and supporting, vibration loading and data monitoring analysis. By accurately simulating an initial stress field and train vibration loads in the construction and operation stages of the tunnel, dynamic monitoring of stress strain, deformation and damage processes of the tunnel surrounding rock and the lining structure in the whole life cycle is achieved. The device has the advantages of compact structure, modular design, high loading precision and stability, real simulation and the like, and a scientific basis can be provided for the fields of performance evaluation, structure optimization, reinforcement design and the like in the whole life cycle of the railway tunnel.

An adjustable mounting assembly for an outdoor unit of an air conditioning unit is disclosed. In some embodiments, the outdoor unit on the adjustable mounting assembly may be capable of moving among multiple height positions, for example, from a higher loading position to a lower installed position. For example, in some embodiments, the adjustable mounting assembly may include a counterbalancing mechanism to facilitate the position movement of the outdoor unit. In some other embodiments, the position movement of the outdoor unit may be achieved by folding and / or unfolding of a scissor lifting mechanism.

The invention relates to the technical field of rolling technology and equipment detection, in particular to a method, a system and equipment for detecting deviation of a roll gap of a rolling mill, and the method comprises the steps: constructing a vibration detection center line parallel to a roll axis of a working roll according to a to-be-processed copper material, and according to the vibration detection center line, roller vibration characteristics are acquired by taking each working roller as a unit, a vibration characteristic matrix is generated according to the machining time of the corresponding working roller, and vibration deviation comparison is performed on the vibration characteristic matrix corresponding to each working roller by establishing a reference vibration deviation model, so that a roller gap deviation detection result is obtained. The problem that weak vibration changes under high-speed and high-load working conditions are difficult to capture in roll gap deviation is effectively solved, a reference vibration deviation model is established through dynamic monitoring and analysis based on vibration signals, efficient and accurate roll gap deviation detection is achieved, and the stability of the production process is guaranteed.

The invention relates to the technical field of bearings, and discloses a ceramic angular contact ball bearing with high bearing capacity, the ceramic angular contact ball bearing comprises an outer ring, an inner ring, a rolling body, a retainer and an oil storage cavity, the outer ring is of a cylindrical structure, and the inner surface of the outer ring is in contact with the rolling body; the inner ring is positioned inside the outer ring, and the outer surface of the inner ring is contacted with the rolling body; and the rolling bodies are a plurality of spherical ceramic elements which are fixed and separated by the retainer. By optimizing the arrangement mode and material selection of the rolling bodies, the bearing has higher bearing capacity and anti-overturning performance under the high-load condition; the heat dissipation through holes are formed in the retainer, so that the heat dissipation performance of the bearing in the running process is remarkably improved, and the bearing failure risk caused by overheating is reduced; through the design of the oil storage cavity and the oil outlet micropores matched with the oil storage cavity, uniform supply of lubricating oil is achieved, and friction loss between the rolling body and the inner ring and the outer ring is reduced.

The utility model provides a loading device for on-site rapid calibration of a multi-dimensional force sensor, which comprises a workbench, a loading chassis, a loading connecting piece, a top plate, a vertical loading mechanism and a horizontal loading mechanism, and is characterized in that the loading chassis is rotatably connected with the workbench, and the loading connecting piece is fixed at the top of the detected multi-dimensional force sensor; the vertical loading mechanism comprises a first lead screw loading assembly and a first sliding block, the first sliding block is connected with a first standard force sensor, and the first standard force sensor is connected with a first loading piece; the horizontal loading mechanism comprises a second lead screw loading assembly and a second sliding block, the second sliding block is connected with a second standard force sensor, and the second standard force sensor is connected with a second loading piece. The loading force applied to the loading connecting piece by the first loading piece and the second loading piece is changed along with continuous operation of the three motors, and the change of the loading force is continuous, so that continuous loading of any force is realized, and the loading precision is higher.

The invention belongs to the technical field of surgical robots, and particularly relates to a tenon-and-mortise connection-based modular quick assembly and disassembly robot structure for arthroscopic surgery, which comprises a continuum skeleton made of a flexible material and of a cylindrical structure; the flexible body anti-turning shell is arranged on the outer side of the continuum framework in a sleeving mode, the flexible body anti-turning shell and the continuum framework are bent at the same time, and the flexible body anti-turning shell is used for reducing deformation of the continuum framework; and the driving structure is in transmission connection with the continuum framework, and the driving structure enables the continuum framework to be bent. According to the invention, the deformation degree of the continuum skeleton can be reduced through the flexible body anti-turning shell, so that the situation of bending or excessive deformation of the continuum skeleton in a high-load and complex environment is avoided, and the accuracy and stability of the surgery can be remarkably improved.

The invention discloses a pipeline connection flange with a pressure-resistant structure, which is characterized in that a driving mechanism in a fixed cylinder is matched with a lacing wire structure on the peripheral side through a plurality of reinforcing pieces to form a firm supporting system, so that stress can be effectively dispersed when a flange plate bears external pressure, and the pressure resistance of the flange plate is improved. And the damage risk caused by local stress concentration is prevented. Under the action of pressure, the reinforcing piece can uniformly distribute external force to the periphery of the fixing cylinder, so that excessive concentration at a certain point is avoided, and the possibility of material fatigue and yield is reduced. And meanwhile, the overall supporting capacity is further enhanced through the tie bar structure, a force transmission network is constructed, connection between the assemblies is more stable, and the overall strength is improved. According to the structural optimization, the flange plate can still keep good performance under the high-load working condition through a reinforced support and stress dispersion mechanism.

The present invention discloses a loading machine, a loading system and a loading method, and relates to the field of loading technology. The loading machine includes a traveling mechanism, a loading frame, a stacking device and a supporting mechanism. The loading frame is slidably connected to the traveling mechanism, and the traveling mechanism can drive the loading frame to move in a semi-trailer compartment. The loading frame can move forward along a first direction so that the loading frame extends out of the traveling mechanism. The stacking device is slidably connected to the loading frame, and can extend the loading frame along a first direction, and is used to stack goods to a stacking position. The supporting mechanism is installed on the loading frame, and can abut against a step or bottom surface in the semi-trailer compartment, thereby supporting the loading frame. The loading machine, the loading system and the loading method have the characteristics of being able to perform loading operations in the semi-trailer compartment and having high loading stability.

The invention discloses a method and a device for adjusting a high-load sector and electronic equipment. The method comprises the following steps: determining a target high-load sector in a target operator network; the scene type of the target high-load sector is determined at least based on a high-load sector wide table, and the high-load sector wide table is used for quantifying the network performance of the target operator; an adjustment strategy corresponding to the scene type of the target high-load sector is determined according to the knowledge graph, and the adjustment strategy is used for adjusting network parameters of the target high-load sector; and adjusting the network parameters of the target high-load sector by adopting an adjustment strategy. The technical problem that the utilization efficiency of network resources is low due to the fact that the adjustment means of the high-load sector depends on manual intervention, the response speed is low, and the requirements of different high-load scenes cannot be effectively met is solved.

The utility model relates to a vibration type material receiving tool and full-automatic pearl grinding equipment. The vibration type material receiving tool comprises a material receiving unit and a vibration unit. The pearl feeding device has the advantages that pearls of a preset number and a preset specification can be received through the material receiving unit, automatic batch feeding can be completed, and compared with manual feeding, the steps are few, manpower consumption is low, and the feeding efficiency is high; the material receiving unit is vibrated through the vibration unit, so that pearls move in the material receiving unit, and therefore the pearls cannot be gathered in a certain area of the material receiving unit, and the pearls can be evenly distributed on the material receiving unit conveniently; potential safety hazards do not exist, and workers do not need to worry that fingers are bruised; the angle adjusting unit is used for adjusting the inclination angle of the material receiving unit, so that the material receiving unit is attached to the automatic pearl feeding tool; due to the fact that the material receiving unit is obliquely arranged, the pearls cannot be stacked on the material receiving unit after falling into the material receiving unit, and meanwhile the material receiving unit can be rapidly and fully paved with the pearls in cooperation with the vibration unit.

The utility model belongs to the technical field of cutting equipment, particularly relates to a hydraulic rope saw, and aims to solve the problems that an existing traditional hydraulic rope saw system runs for a long time at a high load, oil temperature rises easily, oil quality and system stability are affected, cutting efficiency and quality are reduced, the service life of equipment is shortened, oil is not fully filtered, and the equipment is easily damaged by impurities. According to the technical scheme, the hydraulic wire sawing machine comprises a wire saw valve group which is fixed to the top of an oil tank and matched with a motor pump to control conveying of hydraulic oil to a wire saw, and a cooling assembly which is used for cooling and filtering the used hydraulic oil. Meanwhile, monitoring elements such as a shock-proof pressure gauge and the like and an oil return filter are arranged, so that the real-time state monitoring and the oil cleanliness of the system are ensured, the service life of equipment is prolonged, and the stability and the reliability of the system are integrally enhanced.

A logistics loading work control system includes a server configured to mirror facility data of an actual logistics facility and a virtual environment, for example, based on a digital twin. The system also includes a packaging simulator configured to calculate cargo information corresponding to a loading area received from the server through a loading algorithm and predict priority cargo information in a sequence of highest loading efficiency with respect to a current work-target cargo container, and a worker terminal configured to assist a logistics loading work of a worker by deriving a scenario branch-type loading sequence and an expected loading rate based on a logistics loading situation inside the loading area through the packaging simulator and providing a recommended cargo logic according to the derived result.

Aircraft high-load landing event detection, classification and maintenance guidance methods relate to the technical field of aircraft high-load landing event detection. The aircraft high-load landing event detection method collects complete and accurate landing data online during an aircraft landing process and performs an analysis and calculation to determine whether a high-load landing event occurred and determines the type of the high-load landing event. The aircraft high-load landing event detection method removes the high-load landing event determination from the pilot's subjective perception and does not need to wait for decoding of quick access recorder (QAR) data, greatly improving the accuracy and timeliness of high-load landing event detection. In addition, by analyzing and estimating structural loads of the aircraft, the aircraft high-load landing event detection method provides targeted maintenance recommendations for possible aircraft structural damage caused by the high-load landing event, and forms a corresponding report.

The utility model relates to an automatic pearl receiving tool and full-automatic pearl grinding equipment. The automatic pearl receiving tool comprises a receiving unit, a blocking unit, a transverse movement unit and a longitudinal movement unit. The pearl feeding device has the advantages that pearls of a preset number and a preset specification can be received through the material receiving unit, automatic batch feeding can be completed, and compared with manual feeding, the steps are few, manpower consumption is low, and the feeding efficiency is high; full-automatic work of the automatic pearl receiving tool can be completed through the transverse movement unit and the longitudinal movement unit, manual operation is not needed, labor cost is reduced, and efficiency is improved; potential safety hazards do not exist, and workers do not need to worry that fingers are crushed.

Concentrated dispersions of silver nanowires are used to prepare qualitatively distinct silver structures with a range of properties. The concentrated dispersions can have a high weight percent of silver nanowires and can be formulated to be flowable liquids or non-flowing pastes. The concentrated dispersions can be stable with no visible settling over the course of a week, can have non-Newtonian rheology, and can be diluted to a desired weight percent of silver nanowires without detrimental effects on the uniformity of the dispersions. The concentrated dispersions can be formulated with or without polymers or pre-polymer components. The concentrated dispersions can be formulated with silver salts to adjust dispersion of the silver nanowires and to improve electrical conductivity of cured silver structures formed from the dispersions. Methods for forming the concentrated dispersions are described as are methods to form silver structures from the dispersions.

The invention discloses a control pipeline needle valve low in torque and high in loading capacity, and relates to the field of needle valves, the control pipeline needle valve comprises a needle valve body, a flange plate is mounted on the outer wall of the needle valve body, a U-shaped sealing steel ring is mounted in an inner cavity of the flange plate, and lubricating gaskets are mounted on the outer wall of an upper valve rod and the outer wall of a lower valve rod; a mounting base is mounted in the center of the top of the needle valve body, clamping blocks are symmetrically and movably connected to the two sides of the bottom of the mounting base, a base is mounted at the bottom of the needle valve body, and supporting assemblies are symmetrically and rotationally connected to the periphery of the bottom of the base. According to the control pipeline needle valve low in torque and high in pressure bearing capacity, the needle valve body and the conical surface of the U-shaped sealing steel ring are different in angle, so that the principle that linear sealing is achieved is achieved, the original traditional pressing sealing principle is abandoned, the design of the U-shaped sealing steel ring is adopted, and the sealing effect is good. In this way, the sealing effect under high pressure can be guaranteed, and meanwhile the torque can be effectively reduced.

The utility model relates to novel full-automatic pearl grinding equipment. The novel full-automatic pearl grinding equipment comprises a feeding tool, a receiving tool and a grinding tool, the pearl screening device has the advantages that the screening unit and the receiving unit are matched, pearls of a preset number and preset specifications can be screened, automatic batch feeding can be completed, and compared with manual pearl screening, the pearl screening device is few in step, low in manpower consumption and high in feeding efficiency; the storage unit and the screening unit are isolated and exposed through the isolation unit, the pearl feeding procedure can be automatically completed, and the feeding efficiency is effectively improved; full-automatic work of the material receiving tool can be completed through the second transverse movement unit and the second longitudinal movement unit, manual operation is not needed, the labor cost is reduced, and the efficiency is improved; and the overturning unit is used for driving the material receiving unit to overturn, so that full-automatic operation of the pearl material receiving procedure is realized, and the pearl material receiving efficiency is greatly improved.

The utility model discloses an automatic car loading system of a car carrier, which comprises a track support frame, an automatic loading RGV, a telescopic track and a lifting shuttle vehicle, two layers of retractable track support arms are respectively arranged on the left side and the right side of the track support frame, the automatic loading RGV and the track support frame are arranged in a relative movement manner, and the lifting shuttle vehicle is arranged on the telescopic track. The telescopic track is arranged in the automatic loading RGV and located above the to-be-loaded automobile, the telescopic track can forwards stretch into a carriage of the car carrier and is supported by the unfolded track supporting arm, and the hoisting shuttle vehicle is arranged below the telescopic track and used for hoisting and putting down the to-be-loaded automobile. The automatic loading system for the car carrier can realize automatic loading, and has the advantages of low requirement on the driving level of a driver, low possibility of scratching, high loading efficiency and short loading time.

The utility model provides a multi-layer synchronous feeding machine for rubber vulcanization, and belongs to the field of automation. The problem that an existing vulcanizing machine adopts manual feeding is solved. The rubber vulcanization multi-layer synchronous feeding machine comprises a control system, a rack and a conveying belt, a feeding device is arranged on the rack and comprises a movable truss, two feeding mechanisms and a synchronizing mechanism, the two feeding mechanisms are movably installed on the movable truss in an up-down structure and driven by the synchronizing mechanism to move synchronously, and the conveying belt is arranged on the rack. A gap is formed between the feeding mechanisms, each feeding mechanism comprises a feeding plate, a guide rail seat, a driving unit and an air valve assembly, the synchronizing mechanism comprises two synchronizing seats, a moving plate and a driving assembly, and the moving truss, the feeding mechanisms and the synchronizing mechanism can automatically convey rubber sheet raw materials on the conveying belt into the vulcanizing machine under the control of the control system. The feeding device has the advantage of being high in feeding efficiency.

The invention relates to a tool surface microstructure laser additive filling modification process, in particular to the technical field of tool machining, and the tool surface microstructure laser additive filling modification process comprises the following steps that S1, microstructure design is conducted, specifically, the type of a microstructure is determined according to the tool service condition, the microstructure is of a groove type or a dot matrix type or a two-dimensional or three-dimensional structure, the design depth is 50-800 microns, and the distance between every two adjacent structures is 50-800 microns; according to the tool, the reinforced lubricating composite filling layer is constructed in situ in the micro-texture concave area of the tool, precise filling with the deep micro-texture depth reaching 800 microns is achieved, the filling layer remarkably enhances the mechanical strength of the micro-texture area while providing a chip storage and lubricating space, and therefore the tool can have the good cutting performance under the conditions of high-speed cutting and high-load machining, and the service life of the tool is prolonged. The bending strength attenuation rate is controlled within 5%, and the bending strength attenuation rate of a traditional non-filling or mechanical filling process is generally larger than 8%.

The invention relates to a manufacturing method of a multifunctional bamboo laminated wood container. The multifunctional bamboo laminated wood container is composed of corner columns, middle columns, longitudinal side long beams, transverse short beams, longitudinal middle short beams, FRP steel sleeve bolt connectors with corner fittings, inclined struts, FRP steel composite square barrel-shaped supports, FRP angle steel bolt connectors, FRP steel filling plate bolt connectors, side face hinged doors and peripheral plates. The container can be loaded and unloaded through hoisting and can also be loaded and unloaded through a forklift. The container can be provided with a side door or a top vertical hinged door, loading efficiency is high, and loading and unloading of different goods can be met. The container is light in dead weight, high in strength, safe and reliable in structure, corrosion-resistant, impact-resistant, fatigue-resistant, freezing-resistant and the like, reduces the use of mineral materials such as steel and aluminum alloy, and is low-carbon and environment-friendly.

To provide a friction material that exhibits superior wear resistance and fade resistance under high load conditions, among other frictional performance characteristics. [Solution] A friction material comprising a fibrous base material, a friction modifier, and a binder, wherein the copper content is 0.5% by mass or less in terms of copper element, the fibrous base material contains steel fibers, the steel fiber content is more than 20% by mass and less than 50% by mass, and the friction modifier contains titanium carbide powder.

The application discloses a graphene-diamond composite coating and a preparation method and application thereof, and belongs to the technical field of materials. The graphene-diamond composite coating comprises a diamond coating and a graphene coating; graphene sp2 bond structure is covalently combined with diamond sp3 bond structure; and the graphene coating has a graphene structure with non-parallel growth mainly in a vertical direction. The graphene-diamond composite coating has small lattice mismatch between the diamond and the graphene, avoids volume expansion caused in a friction heat process, and has the advantages that the diamond coating can provide a support layer for the graphene, forms super-strong C-C covalent bonds at an interface, and significantly improves the adhesion strength of the graphene; the graphene can avoid brittle fracture of the diamond, and significantly improves the lubricating performance of the surface of the diamond coating. The composite coating has better wear resistance, a low friction coefficient and excellent oxidation resistance, and can remain stable under high-temperature and high-load working conditions, so that the service life and processing efficiency of wear-resistant parts are improved.

The utility model relates to the technical field of coal mining machines, and discloses a coal mining machine cutting pick anti-breaking device which comprises a cutter head, a mounting seat is fixedly connected to the outer wall of the cutter head, a mounting block is slidably connected to the interior of the mounting seat, a tooth sleeve is fixedly connected to the top end of the mounting block, a cushioning pad is arranged on the outer wall of the tooth sleeve, and a tooth cutter is fixedly connected to the interior of the tooth sleeve. A second clamping block is slidably connected to the interior of the mounting base, a first clamping block is slidably connected to the interior of the mounting base, the first clamping block and the second clamping block are slidably connected to the outer wall of the mounting block, and a two-way screw rod is in threaded connection with the interior of the first clamping block and the interior of the second clamping block. According to the cutting pick, the mounting block is clamped and fixed through the clamping block, the cutting pick is buffered through the spring and the cushioning pad, the effect of effectively preventing the cutting pick from falling off is achieved, the problems that the cutting pick vibrates when making contact with coal, and the cutting pick falls off during high-load work are solved, and the stability of the cutting pick is improved.

The present disclosure provides a logistics loading job control system that includes a server configured to mirror facility data of an actual logistics facility and a virtual environment (e.g., based on digital twin). The system further includes a package simulator configured to calculate cargo information corresponding to the loading area received from the server by a loading algorithm, and predict, for a current work target cargo container, a priority cargo information cargo container in an order in which loading efficiency is high, and a worker terminal configured to receive the priority cargo information cargo container from the current work target cargo container. And the worker terminal is configured to derive a scene branch type loading sequence and an expected loading rate through the packaging simulator based on the logistics loading condition in the loading area, and provide recommended cargo logic according to a derivation result, so as to assist the logistics loading operation of workers.

The utility model discloses a buckle type transformer fixing support convenient to install, and particularly relates to the technical field of transformer construction, the buckle type transformer fixing support convenient to install comprises a transverse steel channel, a supporting assembly and a hoop assembly, the supporting assembly and the hoop assembly are located on the upper side and the lower side of the two ends of the transverse steel channel respectively, and a pair of connecting assemblies is arranged above the supporting assembly. And crossed and staggered steel cable assemblies are arranged between the two diagonal supporting assemblies and the hoop assemblies. Through mutual cooperation of the supporting assemblies, the connecting assemblies, the hoop assemblies and the steel cable assemblies, installation and high-load bearing can be more convenient, specifically, on one hand, the supporting assembly on one side can be installed on the pair of connecting assemblies firstly, then the transverse steel channel is rotated to be parallel to the ground, the height does not need to be adjusted frequently, and therefore the installation efficiency is improved; on the other hand, the steel cable assemblies enable the supporting assemblies and the hoop assemblies which are opposite in the left-right direction to be connected in a crossed mode, and therefore the load capacity of the whole support is enhanced.

The utility model relates to the technical field of plastic plate processing, in particular to an automatic plastic plate laminating and pressing device which comprises a workbench, a supporting plate and a pressing mechanism are arranged on the workbench, a laminating mechanism and a fixing plate are arranged on the supporting plate, and the pressing mechanism comprises a U-shaped frame and a pressing roller. A driving mechanism and a heating mechanism are arranged between the pressing roller and the U-shaped frame, an elastic supporting mechanism is arranged between the top end of the U-shaped frame and the fixing plate, the elastic supporting mechanism is used for replacing a traditional mode of directly applying downward pressure, the direct stress condition of main driving components is reduced, and the pressing efficiency is improved. As a result, key mechanical parts do not bear a continuous high-load working state any more, so that the service life of the parts is effectively prolonged, the position change of the arc-shaped plate is controlled by utilizing the moving mechanism, the automatic process from laminating to laminating to stopping operation is realized, and the operation steps are simplified.

The utility model provides a main shaft sleeve for micro-deformation step quenching treatment, and belongs to the technical field of main shaft sleeves. Comprising a main shaft sleeve body which is subjected to micro-deformation step quenching treatment; the two sealing grooves are formed in the main shaft sleeve body and are distributed up and down; the magnetorheological fluid is arranged in the sealing groove in a filling manner; the two annular strips are arranged on the main shaft sleeve body and correspond to the sealing grooves, and the annular strips are hollow; and the electromagnetic coil is arranged in the annular strip and is used for generating a magnetic field to change the state of the magnetorheological fluid. By arranging the electromagnetic coil and the magnetorheological fluid, sealing is strengthened by applying a magnetic field during high-speed rotation and high-load work, lubricating oil can be effectively prevented from leaking, external pollutants can be effectively prevented from entering, and the problem that the sealing performance of a traditional sealing mode is reduced under severe working conditions is solved.

The utility model is suitable for the field of air supply check valves, and provides a one-way valve which comprises an upper valve body, a lower valve body, an air inlet pipe connector, a valve element, a valve needle and a locking nut. The sealing design is adopted, and powder or particles are effectively prevented from entering the rotating shaft or the lifting shaft. The protective measure can prolong the service life of the valve, reduce the maintenance frequency and ensure the continuous and stable operation of the valve. The problem that a traditional valve is prone to being stuck in the dust environment is solved, and therefore the working reliability of the valve is improved. When the valve works in a high-load or high-frequency operation environment, a smooth operation state can be kept, smooth flowing of gas or substances is ensured, and frequent maintenance is not needed. And internal parts of the valve are not easy to be polluted by dust, so that the maintenance complexity is reduced. A user can reduce the downtime, so that the production efficiency is improved, and the maintenance cost is saved.

This invention provides a multi-field coupled shear testing device, including a test host, a pressure chamber, a power distribution cabinet, and a water supply device. The test host is supported by a workbench. The confining pressure chamber, together with the vertical, horizontal, and longitudinal loading systems, applies a three-dimensional static load. Within the horizontal loading system, an impact transmission rod connects to a nitrogen high-pressure emission chamber to achieve impact loading. The sealed high-temperature chamber has a vacuum glass window on the outside, and the internal shear box chassis is raised and equipped with water channels. A membrane is used to wrap the specimen to prevent leakage. The vertical loading system has a built-in cooling device, and an acoustic emission probe is installed on the pressure rod to monitor damage in real time. This device achieves multi-field coupling of high temperature, high pressure, seepage, and impact through modular design, offering high loading accuracy and convenient operation. It solves the functional conflicts and monitoring lag problems of traditional equipment and is suitable for multi-field mechanical property testing of geotechnical materials.