104results about How to "Reduce tangling" patented technology

The invention relates to the technical field of alloy materials, in particular to a high-strength alloy material based on a rail transit vehicle and a processing technology of the high-strength alloy material. Raw materials are smelted and cast to obtain a cast ingot; the cast ingot is sequentially subjected to solution treatment and aging treatment, and an alloy material is obtained; uniformly mixing the compound, mica powder, a curing agent and an epoxy diluent, adding epoxy resin, a defoaming agent and a flatting agent, and performing ultrasonic treatment to obtain a corrosion-resistant coating; the high-strength alloy material is obtained by sequentially grinding, polishing, cleaning and drying the surface of an alloy material, coating a corrosion-resistant coating, and curing to form a corrosion-resistant coating. The prepared high-strength alloy material has excellent mechanical properties, corrosion resistance and hydrophobicity, and is suitable for application requirements of rail transit vehicles.

The invention relates to the technical field of robots, and provides a Robomaster multi-sensor fusion decision-making-based sentry robot which comprises a chassis, a holder, an actuator module, a sensing module, a lower computer and an upper computer. The lower computer comprises a receiving module, a decision module, a distribution module and a motion control module; the upper computer comprises a laser radar navigation module and an image recognition processing module; the decision-making module is used for performing corresponding processing on the received data fusion robot according to the situation faced by the robot; and the distribution module is used for directly sending the received sensing data of the sensing module and the data of the judgment system to the laser radar navigation module and the image recognition processing module. According to the scheme, through multi-sensor fusion and a low-computing-power control system, a complex environment can be sensed more comprehensively, low-delay image processing and path planning are achieved, multiple independent and mutually decoupled modules are integrated, and high expansibility and stability are achieved.

The invention provides a razor head with a 360-degree follow-up razor net and a shaver, the razor head with the 360-degree follow-up razor net comprises a combined razor net, the combined razor net is formed by connecting and assembling three or more razor nets, each razor net can float or tilt after being stressed, and the razor net on the inner side can float or tilt after being stressed along with the razor net on the adjacent outer side. According to the shaver, the shaver nets can float independently, can also float in a linkage mode, can flexibly rotate in all directions, can be tightly attached to the facial contours including the cheeks, the jaw, the neck and other parts, can easily adapt to different facial contours without moving the shaver body in a large range during shaving, and effectively improves the attaching degree and comfort degree of shaving.

The invention provides a shaver head with a modular combined floating knife net and a shaver, the shaver head with the modular combined floating knife net comprises the modular combined knife net, the modular combined knife net is formed by connecting and assembling a plurality of mesh modules and a plurality of functional modules, each mesh module and each functional module can float or tilt under stress, and the modular combined knife net is arranged on the modular combined knife net. The mesh modules or function modules on the inner side can float or tilt along with the adjacent mesh modules or function modules on the outer side after being stressed, and each mesh module is provided with a movable cutter set. According to the modular design, mesh modules with different thicknesses and different groove types are formed, and functional modules with different functions can also be combined, such as an antibacterial module, a heating module, a cleaning module, a skin detection module and an odor module. Combination is carried out according to requirements, the requirements of different customers are met, the product development frequency and time can be reduced, the production efficiency is improved, and the cost is reduced.

The invention belongs to the technical field of electrolytic hydrogen production, and particularly relates to a seawater in-situ hydrogen production method. According to the method, a phase change mass transfer tank is included and comprises a seawater area (1), a phase change mass transfer layer (2) and an electrolyte area (3); seawater is discharged from a seawater tank, sequentially passes through a prefilter, a first-stage heat exchanger and a second-stage heat exchanger, and enters the seawater area (1) for phase change mass transfer; electrolyte enters the electrolyte area (3) from the electrolyte mixing tank; the phase-change mass transfer is carried out at the phase-change mass transfer layer (2), and the phase-change mass transfer layer (2) is an IPN film; and discharging from the electrolyte area (3) to an electrolytic cell for electrolytic hydrogen production. The IPN membrane is prepared from polyvinyl alcohol and polyimide, and through a series of modification measures such as fluorination, it is ensured that the IPN membrane has high hydrophobicity and good water vapor permeability, so that the efficiency of electrolytic hydrogen production is improved; in addition, the IPN film is simple and convenient to prepare and operate and high in yield.

The knitting machine table comprises a knitting machine main body mechanism, and the knitting machine main body mechanism comprises a base, a supporting stand column, a middle large disc, a middle ejector rod, a top large disc, a top support, a silk feeding disc support, a rotating cylinder, a needle hanging groove, a self-positioning settling base, a hook-shaped closing needle and a cloth discharging rotating frame. The multiple sets of supporting stand columns are evenly and fixedly arranged on the base, the middle large disc is fixedly arranged on the supporting stand columns, the multiple sets of middle ejector rods are evenly and fixedly arranged on the middle large disc, the top large disc is fixedly arranged on the middle ejector rods, and the top large disc is fixedly arranged on the top large disc. According to the invention, the problem that a fabric has edge marks due to the fact that the roundness of a knitting needle is out of tolerance can be effectively reduced, and the problem that the maintenance difficulty is large due to rapid positioning and resetting in the disassembly and maintenance process is improved; the phenomenon of frequent shutdown time caused by yarn winding or breakage is reduced, and the production efficiency is improved.

The utility model discloses an electric control dimming power supply mechanism and a dimming device, and belongs to the technical field of dimming devices. According to the electric control dimming power supply mechanism and the dimming device, when the electric control dimming piece moves along the preset direction, the sliding piece can slide on the guide piece along the second direction along with the electric control dimming piece, and the sliding piece is connected with the mounting section of the wire harness, so that the wire harness is driven to move on the guide piece along the second direction; the moving direction of the wire harness is controlled, and the risk that the wire harness is wound or interferes with parts of the wire harness can be reduced. Meanwhile, the sliding piece can slide along the first direction relative to the mounting part of the electric control dimming piece, so that when the second direction is not parallel to the preset direction, the sliding piece can still smoothly slide on the guide piece without the problem of clamping stagnation, the assembly convenience of the guide piece can be improved, and the universality of the electric control dimming power supply mechanism is further improved.

The invention relates to the technical field of atmospheric optical measurement, in particular to an atmospheric coherence length measuring device and method with a laser indication function, and the device comprises a telescopic module, a star guiding module, a laser star pointing module, a power supply communication module and a control module. The control module controls the laser star pointing module to carry out laser star pointing through the power supply communication module, so that the star pointing function is convenient to carry out; through laser indication of the laser star pointing module, star finding work can be better carried out, and long-time work can be carried out.

The invention relates to the technical field of clothing production leftover material recycling, in particular to a leftover material recycling device and method for clothing production, the leftover material recycling device comprises a recycling box, supporting legs are arranged on the two sides of the recycling box, and a feeding port is formed in the top of the recycling box; the crushing mechanism comprises a first motor arranged on one side of the recycling box, and the output end of the first motor is in transmission connection with a first gear. The sharpness of crushing blades can be switched according to the hardness of the cloth leftover materials of different batches, and the crushing blades can be kept in a relatively blunt state for the cloth leftover materials with low hardness; over-cutting is avoided, energy consumption and abrasion of the crushing blades are reduced, so that production efficiency is improved, the crushing blades can be automatically adjusted to a sharper state for cloth leftover materials with high hardness, effective cutting and crushing can be guaranteed, and the situation that crushing is incomplete or multiple times of crushing is needed due to the fact that the crushing blades are not sharp enough is avoided.

The utility model discloses a sewage lifter capable of automatically releasing pressure, and relates to the technical field of sewage lifters. The device comprises a box body, a separation frame and a confluence cover are arranged in the box body, a rotating rod is rotationally matched in the separation frame and the confluence cover, a plurality of crushing rods are arranged on the periphery of the lower part, located in the confluence cover, of the rotating rod, and a motor matched with the rotating rod is arranged at the top of the box body; a cleaning assembly matched with the smashing rod is arranged at the bottom of the separating frame, a connecting rod is arranged at the bottom end of the rotating rod, an inclined rod matched with the inner wall of the confluence cover is arranged at the bottom end of the connecting rod, a water outlet pipe communicated with the confluence cover is arranged in the box body, and a sewage pump matched with the water outlet pipe is arranged at the bottom in the box body. Through the arrangement of the cleaning assembly, the rotating rod can drive the crushing rod to crush garbage in the confluence cover, and the cleaning assembly can clean the crushing rod, so that the condition that the crushing rod is wound by the garbage can be reduced, and the garbage crushing efficiency of the crushing rod is improved.

This utility model belongs to the field of valve block production technology, specifically a valve block processing and adjustment device, including a machine base; a frame is fixedly connected to the top of the machine base; a sand storage tank is fixedly connected to the top of the frame; multiple conveying pipes are fixedly connected to the bottom of the sand storage tank; the conveying pipes are located inside the frame; a spray gun is fixedly connected to the end of the conveying pipe; the spray gun is inclined; a conveying assembly is installed in the middle of the machine base; the transmission assembly is used to convey materials, and the conveying assembly includes a drive motor set, a perforated conveyor belt, and rollers; the drive motor set is fixedly connected to the side wall of the machine base; the rollers are mounted on the drive motor set and located between the machine bases; a perforated conveyor belt is installed on the rollers; by adjusting the distance between the spray gun and the valve block, the sandblasting diffusion range and impact force are controlled, thereby adapting to the processing requirements of valve blocks of different materials and increasing the adaptability of this device.

The invention relates to the technical field of water area treatment equipment, and particularly discloses aquatic plant treatment harvesting equipment based on aquatic plant balance water quality maintenance, the aquatic plant treatment harvesting equipment comprises a mounting frame, the outer end of the mounting frame is fixedly connected with a top ring, the bottom surface of the top ring is fixedly connected with six water level rods, and the six water level rods are arranged around the bottom surface of the top ring at fixed intervals; the bottom of the water level rod is fixedly connected with a top plate. A driving block is arranged to be in an inverted circular truncated cone shape, so that a suction force is generated on water in a connecting pipe when the driving block and a spiral plate rotate, the bottom of the connecting pipe generates a suction force on the water through a cutting cover, the water and aquatic plants are sucked into the connecting pipe, and at the moment, a cutting assembly is driven to rotate along with a driving rod; by means of the mode that the aquatic plants are sucked and stretched for cutting, unified harvesting treatment can be conducted on the long aquatic plants, and other aquatic plants in the ecological environment are prevented from being damaged.

The utility model provides an oil tanker tank washing oily water storage device which is applied to the field of oil tanker tank washing oily water storage and comprises a base, a tank body is fixedly arranged in a groove in the top of the base and divided into an upper layer and a lower layer, two stirring shafts are fixedly connected to the inner side of the upper layer of the tank body, and the outer ends of the stirring shafts are fixedly connected with a first paddle and a second paddle respectively. A water spraying pipe is fixedly connected to the lower end of the tank body; a water inlet is fixedly connected to the upper end of the tank body; a water outlet is fixedly connected to the right side of the tank body; a distribution plate is fixedly connected to the tank body; the stirring device and the filtering device are combined, so that synergistic interaction can be achieved, the treatment process is optimized, the resource utilization rate is increased, and the problems that a storage device cannot achieve integration of the stirring device and the filtering device, the treatment efficiency is low and energy consumption is difficult to reduce are solved.

The application relates to the technical field of lawn mowers, in particular to a cutterhead assembly and a lawn mower. The cutterhead of the cutterhead assembly is provided with a driving part, an annular supporting part and an annular mounting part from inside to outside, the supporting part is connected with the driving part in an inner ring and connected with the mounting part in an outer ring; the driving part is connected with a driving unit, the outer ring of the mounting part is provided with cutting blades, the supporting part is provided with one or more through holes, and when the cutterhead rotates, the air flow velocity on the side of the supporting part close to the ground is smaller than the air flow velocity on the side of the supporting part far from the ground. When the cutterhead rotates, the air flow velocity below is higher, an upper-lower pressure difference is formed according to the Bernoulli principle, a stable air flow from top to bottom is constructed, the upward movement of grass stems is blocked, and the broken grass stems entering the upper part of the cutterhead can be quickly discharged to the ground in cooperation with the through holes. The application effectively solves the problem of grass stem winding around the motor output end in the long-term use of the cutterhead of the lawn mower.

The invention belongs to the technical field of hose design, and particularly relates to an integrated heat preservation metal hose. The device comprises a metal hose, a PT100 temperature measurement probe, a heat insulation adhesive tape for fixing the probe and a waterproof junction box, the PT100 temperature measurement probe is fixed at one end close to the metal hose through the heat insulation adhesive tape for fixing the probe, the PT100 temperature measurement probe is connected with the external waterproof junction box, and the waterproof junction box is connected with an external power supply and control system. The dismounting and mounting labor can be reduced, and the operation stability is improved.

The application relates to a kind of knitting loom, including knitting machine main mechanism, the knitting machine main mechanism includes base, support column, intermediate large dish, middle top rod, top large dish, top support, wire feeding disc support, rotary cylinder, needle hooking groove, self-positioning sinker, hook type closed needle, lower cloth rotary frame;The support column is provided with multiple groups, is evenly fixed on the base, the intermediate large dish is fixed on the support column, the middle top rod is provided with multiple groups, is evenly fixed on the intermediate large dish, the top large dish is fixed on the middle top rod, the top support is fixed on the top large dish, the application can effectively reduce the problem that fabric appears edge mark due to the running roundness of knitting needle is out of tolerance, improve the problem that the difficulty of repair is caused by quick positioning reset in the process of disassembly and maintenance;Reduce the phenomenon that frequent downtime is caused by yarn winding or breakage, improve production efficiency.

The utility model relates to the technical field of postoperative drainage bags, and discloses a drainage bag used after a bladder operation, which comprises a bag body and a drainage tube, and is characterized in that the outer surface of the bag body is fixedly communicated with a flow guide tube, the flow guide tube is in threaded connection with the outer surface of the drainage tube, the outer surface of the flow guide tube and the outer surface of the drainage tube are fixedly provided with limiting rings, and the limiting rings are connected with the bag body. According to the drainage bag used after the bladder operation, after the drainage tube and the drainage tube are spirally detached, in order to prevent discharged matter in the bag body from polluting the environment, the second pull ring is controlled to slide on the outer surface of the drainage tube, a second cap and the drainage tube are spirally connected, and leakage is prevented; meanwhile, a first pull ring is pulled to slide on the outer surface of the drainage tube, so that a first cap cover is in spiral connection with the drainage tube, pollution prevention and leakage prevention are achieved, and the effect that the situation that a connector is polluted due to the fact that the drainage bag connector removing cap is thrown away after being used is avoided.

The invention discloses a cleaning mechanism and surface cleaning equipment, and relates to the technical field of surface cleaning. The cleaning mechanism has a first direction and a third direction which are intersected, and the cleaning mechanism comprises a base, a bracket assembly, a sweeping assembly, a crankshaft and a driving assembly; the support assembly is movably connected to the side, close to the ground, of the base. The sweeping assembly is connected to the side, close to the ground, of the support assembly. The crankshaft is rotatably arranged in the support assembly in a penetrating mode, and the crankshaft is rotatably connected with the base. The driving assembly is in transmission connection with the crankshaft and used for driving the crankshaft to rotate so as to drive the sweeping assembly to move in the first direction through the support assembly and drive the sweeping assembly to move in the third direction through the support assembly to be close to and away from the to-be-cleaned surface. The cleaning mechanism provided by the invention can reduce the possibility that the cleaning assembly winds hair.

The utility model discloses industrial wastewater filtering equipment and belongs to the field of filtering equipment. The device comprises a filter tank, a grating mechanism, a waste box, a longitudinal compression mechanism and a transverse compression mechanism. The grating mechanism is arranged in the filter tank and is used for conveying waste materials in the wastewater. The waste box is fixedly arranged at the upper end of the filter tank and below a discharge hole of the grating mechanism and is used for collecting waste. The longitudinal compression mechanism is arranged in the filter tank and is used for extruding the waste materials from the upper side and the lower side; the longitudinal compression mechanism comprises a driving part; an upper pressing plate is arranged on the driving piece; the upper pressing plate is driven by a driving part to move up and down; and a lower pressing plate fixedly connected to the bottom of the filter tank is arranged under the upper pressing plate. Through mutual cooperation of the vertical compression mechanism and the transverse compression mechanism, waste materials can be extruded in the transverse direction and the longitudinal direction respectively, the waste materials are made to be in a compact long strip shape, accumulation and winding of the loose waste materials on a chain belt are reduced, and the risk that the chain belt is blocked is reduced.

The application relates to the technical field of saddle processing, in particular to a power supply system for a forming rotary structure of a saddle leather sheath, which comprises a sliding rod horizontally suspended above the forming rotary structure, a plurality of pulleys are slidably sleeved on the peripheral wall of the sliding rod, the pulleys are connected with power lines through fixing ropes, the end of the power line is inserted into one end of the sliding rod and is wired along the length direction of the sliding rod, a plurality of connecting points are selected on the peripheral wall of the power line along the length direction at equal intervals, and the connecting points are connected with the plurality of pulleys through the fixing ropes, so that the possibility that the power line winding interferes with the normal work of the rotary structure is reduced.

The invention belongs to the field of chemical oil recovery in the petroleum industry, and specifically relates to an alkali-free betaine type oil recovery agent composition and a preparation method thereof, which comprises the following raw materials by weight: 55-65 parts of a novel betaine type surfactant, 35-45 parts of polyoxyethylene ether, and 20-30 parts of a solvent, wherein the novel betaine type surfactant has a structure in which three betaine side chains are connected to a benzene ring. The alkali-free betaine type oil recovery agent composition provided by the invention has excellent temperature resistance and salt resistance, and can effectively reduce oil-water interfacial tension to improve oil recovery efficiency.

The utility model discloses a multi-strand twisting processing device for high-elasticity polyester yarns, and relates to the technical field of twisting processing. Comprising a mounting bracket, a first guide ring on the inner wall of a vertical rod and a second guide ring on the inner wall of an inclined rod are used for preliminarily guiding silk threads led out of a polyester silk winding drum, so that the silk threads move according to a preset path, shaking and winding of the silk threads are reduced, and the stability of the silk threads entering a subsequent processing link is ensured; the guide shell is of a cone-shaped structure, the lower end of the guide shell is open, the rubber ring is fixed to the edge of the guide shell, six strands of dispersed silk threads can be concentrated, the rubber ring plays a role in buffering and protecting the silk threads, and the silk threads are prevented from being damaged by friction with the edge of the guide shell; the guide pipe of the arc-shaped structure conducts secondary guiding on the concentrated silk threads, so that the silk threads enter the positioning ring more accurately, the position accuracy of the silk threads in the twisting process is further guaranteed, and the twisting stability and quality are improved.

The invention relates to the technical field of tea processing, and particularly provides fixation equipment and a fixation method for berry tea. The fixation equipment for the berry tea comprises a base; the heating rotating shaft is rotatably arranged on the base and is horizontally arranged along the axis of the heating rotating shaft; a plurality of spiral first barriers are arranged on the outer wall surface of the heating rotating shaft; the heating sleeve is arranged on the outer ring of the heating rotating shaft, and the heating sleeve and the heating rotating shaft are coaxially arranged; the heating sleeve comprises an outer cylinder and a rotatable inner cylinder, and a plurality of spiral second barriers are arranged on the side wall surface, facing the heating rotating shaft, of the inner cylinder; and in the axial direction of the heating rotating shaft, the grid bars of the second barrier and the grid bars of the first barrier are arranged in a staggered manner. According to the scheme provided by the invention, the berry tea is simultaneously heated from the inner direction and the outer direction, so that the heating uniformity of the berry tea is improved, and the fixation efficiency is improved. The first barrier and the second barrier are used for scattering and turning the raspberry tea together, so that the stacking condition of the raspberry tea is reduced, the heating uniformity of the raspberry tea is improved, and the fixation effect is improved.

The present invention relates to a motor bracket and an air conditioner outdoor unit, wherein the motor bracket comprises a bracket body, the bracket body comprises a support part, the support part is provided with a motor mounting hole and a wire entry open hole connected with the motor mounting hole, the motor mounting hole is used to pass the motor, and the wire entry open hole is used to pass the motor wire; a first clamping slot is provided on the bracket body, the first clamping slot is adjacent to the wire entry open hole, and the first clamping slot is used to support the motor wire on the bracket body. The present invention provides a wire entry open hole connected with the motor mounting hole on the bracket body, and provides a first clamping slot adjacent to the wire entry open hole on the bracket body, so that the motor wire passes through the wire entry open hole and is clamped at the first clamping slot, so that the motor fixation and the motor wire are both within the visible range, which is convenient for disassembly and maintenance, and improves the disassembly and maintenance efficiency.

This invention discloses an anti-tangling cotton yarn processing jet dyeing machine. A guide wheel is fixedly connected to the inner wall of a fixed frame. A jetting device is fixedly connected to the inner wall of the fixed frame on one side of the guide wheel. The jetting device includes a feeding pipe. A heating ring is sleeved and fixedly connected to the side of the feeding pipe. The bottom of the heating ring is connected to the outlet of an electric water pump. A rotating pipe is rotatably connected to the side of the feeding pipe. A winding wheel is fixedly connected to the side of the rotating pipe. A drive shaft of a first motor is fixedly connected to the end of the rotating pipe away from the feeding pipe. The fixed end of the first motor is fixedly connected to the side of the fixed frame. The inlet of the electric water pump is connected to the side of a collection tank. The feeding pipe passes through the side of the fixed frame and is fixedly connected to the side of the fixed frame. The fixed frame provides overall support for the equipment. Cotton yarn is guided along the guide wheel after being introduced.

The utility model discloses a raw cotton impurity analyzer with an antistatic roller shaft, which belongs to the technical field of textile machinery, and comprises a rack, a surface table at a feeding end and a carding roller, the roller shaft is arranged at the upper end of the surface table, the roller shaft is made of an integrated antistatic nylon material, transverse flutes are arranged on the surface of the roller shaft, and the surface resistivity is 10-10 omega.cm; positioning assemblies are installed on the two sides of the rack, each positioning assembly comprises a hydraulic air cylinder, a positioning clamping jaw and a pressure sensor, the telescopic end of each hydraulic air cylinder abuts against the end of the corresponding roller shaft through the corresponding positioning clamping jaw so that the roller shaft can be attached to the cambered surface of the corresponding surface table, and the pressure sensors monitor pressure values in real time and feed the pressure values back to the control system; by means of the integrated antistatic nylon roller shaft, the precise positioning mechanism driven by the hydraulic air cylinder and the bevel gear transmission assembly, electrostatic interference is effectively eliminated, millimeter-level dynamic positioning is achieved, friction loss is reduced, and raw cotton impurity detection precision and equipment operation stability are remarkably improved.

The invention provides a boring device for a differential shell, and relates to the technical field of boring. The boring device for the differential shell comprises a rack, a clamping mechanism is arranged on the upper surface of the rack and used for clamping the differential shell, cutter sliding rails are arranged on the two sides of the rack correspondingly, the cutter sliding rails are arranged in the length direction of the rack, the cutter sliding rails are slidably connected with a cutter base, and the rack is provided with two first drivers; an output shaft of the first drive is connected with one side of the tool base through a ball screw so as to drive the tool base to slide along the tool sliding rail, a second drive is arranged on the upper surface of the tool base, an output shaft of the second drive is fixedly connected with a boring tool, and displacement sensors are arranged in the tool base. The first drive and the second drive are both electrically connected with the central controller, the displacement sensor is electrically connected with the central controller, and the central controller can judge the moving distance of the two tool bases according to displacement data and conduct dynamic compensation so as to ensure that the displacement of the two tool bases can be consistent all the time.

This utility model provides a rapid circuit fault detection device, relating to the field of electronic engineering testing technology. It includes: a main body of the detector, with a first connecting wire at the rear; a mounting box at the bottom of the main body, through which the first connecting wire passes; a winding roller inside the mounting box, with the first connecting wire wound around it; and a rotating rod rotatably mounted inside the mounting box. The rotating rod is driven to rotate by manually turning a handwheel, and through the meshing of a worm gear and worm wheel, the winding roller can rotate around the rotating shaft, winding the first connecting wire into the mounting box. This effectively prevents the wire from becoming tangled and piled up, facilitating the carrying and use of the device. Its winding structure is simple and easy to operate, solving the problem that existing circuit fault detection devices, due to their long connecting wires, easily become tangled and piled up, causing inconvenience in carrying and using.

This utility model relates to the technical field of pile foundation skin friction testing, and discloses a device for rapidly testing the negative skin friction of pile foundations in high-fill mountainous areas. The device includes backfill soil, beneath which lies a strongly weathered rock layer, and below that, a moderately weathered rock layer. A data acquisition system is installed on the left side of the top surface of the backfill soil, and a loading oil pump is installed on the right side. Utilizing the end resistance from the rock foundation load test to provide the reaction force, combined with data from pile stress sensors, the distribution characteristics of negative skin friction on the pile side in high-fill areas can be rapidly and quantitatively analyzed, providing a measured basis for pile foundation bearing capacity assessment and engineering design. This method uses the upward displacement of the pile under the action of a load cell to replace the settlement of the foundation soil, thereby efficiently testing the negative skin friction, significantly reducing testing costs and saving testing time.

The invention discloses cotton yarn finished product inspection equipment, and relates to the technical field of cotton yarn finished product inspection, the cotton yarn finished product inspection equipment comprises a detection table, a water tank is fixedly installed at the top of the detection table, and a water inlet pipe fixedly penetrates through the surface of the water tank; and the clamping device comprises a motor, a reciprocating screw rod, an inclined plate, a clamping plate, a fixed cylinder, a roller, a roller I, a fixed frame, a limiting plate, a fixed plate and a connecting block I. According to the cotton yarn finished product inspection equipment, the roller moves to drive the roller I to move, and at the moment, the roller I moves upwards along the surface of the inclined plate; meanwhile, the first rolling wheel moves under the action of the inclined plate to drive the roller to move upwards until the cotton yarn finished product is clamped, automatic clamping of the cotton yarn finished product is achieved, it is avoided that due to improper clamping, the detection precision of the cotton yarn finished product is reduced, meanwhile, the time for workers to fix the cotton yarn finished product is shortened, and the equipment efficiency is improved.