17031results about How to "Increase friction" patented technology

The invention relates to the technical field of laser cutting, in particular to a laser cutting carrying table and laser cutting equipment. The device comprises a machine body, racks are arranged on the two sides of the bottom of a movable base plate, a vibration assembly is arranged below the racks, and when the movable base plate moves, the racks drive the vibration assembly to knock the surface of a workbench. When the eccentric rod rotates, a hitting ball is driven to hit the surface of the workbench, slag particles left in a supporting plate on the surface of the workbench are loosened, the slag particles adhered and clamped in the supporting plate are blown away in cooperation with an air blowing pipe, and it is avoided that slag splashes into a laser light path, and the cutting precision and quality are seriously affected; the surface of the supporting plate is always kept in a clean state, and the service life of the laser cutting device is prolonged.

The invention relates to the technical field of composite fiber non-woven fabric manufacturing, in particular to a composite fiber non-woven fabric tensile property testing device which comprises a base, and an n-shaped support and a limiting sliding way located under the horizontal section of the n-shaped support are fixedly installed on the upper end face of the base. And a stretching mechanism for stretching the composite fiber non-woven fabric front and back is arranged on the limiting slide way. The tensile property test of the composite fiber non-woven fabric is completed by adopting an integrated operation model of stretching, twisting and extruding, the test reliability is improved by adopting a fixing mode of combining clamping of upper and lower cambered surfaces with matching of a rubber plate, a convex block and a groove, and meanwhile, the tensile property of the composite fiber non-woven fabric is improved through plane stretching, twisting and plane stretching tests after twisting as well as downward extruding and stretching of a middle section. The composite fiber non-woven fabric tensile property testing device can simulate complex stress conditions possibly faced by the composite fiber non-woven fabric in practical application, so that the tensile property of the composite fiber non-woven fabric in multiple stress states is comprehensively evaluated, multiple testing modes are realized on a single device, and the overall testing efficiency is improved.

The invention discloses an automatic single-yarn strength tester and a test method, and relates to the technical field of textile detection equipment, the automatic single-yarn strength tester comprises a single-yarn strength tester used for testing breaking strength, breaking elongation and breaking strength indexes of a single yarn and fiber pure spinning or blended yarn; and the translation mechanism is used for translating a plurality of distributed yarns and carrying out continuous high-efficiency test operation. According to the automatic single-yarn strength tester, a connecting piece is pulled through a tension spring, then a fastening piece and a limiting block are driven to conduct limiting installation on a limiting groove in a rubber pad, the rubber pad can be rapidly replaced after being abraded, the yarn clamping stability is ensured, and the testing accuracy is ensured; the good friction force of the clamping face can be recovered by replacing the rubber pad, it is ensured that the single yarn is tightly fixed in the clamping mechanism, the single yarn cannot move due to unstable clamping in the tensile test process, it is ensured that the test can be conducted smoothly, and the result is accurate.

The invention relates to the technical field of foundation pit supporting, and discloses a large deep foundation pit inner supporting system with a safety system.The large deep foundation pit inner supporting system comprises a telescopic rod, a supporting rod, a connecting plate and a soil retaining plate, one end of the telescopic rod is rotationally connected with a connecting block through a pin, the connecting block is movably provided with an elastic assembly, and the elastic assembly is connected with one side of the supporting rod; the elastic assembly reserves an elastic telescopic space between the supporting rod and the telescopic rod and is used for detecting displacement generated when the supporting rod and the soil retaining plate support the foundation pit, clamping grooves are formed in the two opposite sides of the soil retaining plate, and an assembling structure is arranged on one side of the supporting rod. According to the large-scale deep foundation pit inner supporting system with the safety system, prestress can be effectively applied to the side wall of the foundation pit, so that the periphery of the pit wall has certain supporting force, the deformation condition of the side wall of the foundation pit can be monitored, meanwhile, underground water seepage of a soil layer of the foundation pit can be eliminated in time, and the safety coefficient during foundation pit supporting is improved.

The invention discloses a punch forming device for producing an automobile engine oil pan, and relates to the technical field of punch forming, and the punch forming device comprises a composite mechanism. According to the punch forming device for production of the automobile engine oil pan, through the design of the composite mechanism, materials are placed in the processing mechanism and conveyed to the composite base through the processing mechanism, then a movable cross beam is controlled through a hydraulic column to enable a pressing module to extrude a bearing module, and therefore the punch forming effect is achieved; the effect of manually laying materials is reduced, potential safety hazards of operators are reduced, the operation environment is optimized, after long-time operation of the bearing module, parts can be seriously abraded, and therefore the stamping precision of follow-up materials is affected, the bearing module can be replaced, and in the process that the pressing module extrudes the materials towards the bearing module, the pressing module can be replaced, and the pressing module can be replaced. And the magazine mechanism contracts to store force, so that after stamping is finished, ejection is performed through the magazine mechanism, the effect of preventing material adhesion is achieved, and the subsequent operation efficiency is prevented from being influenced.

The invention relates to a machine leg for a multi-legged robot, belongs to the technical field of mobile carriers, and solves the problems that in the multi-legged robot scheme in the prior art, in order to keep the distance between a trunk and the ground, a motor needs to be powered up for keeping, and limited energy carried by the multi-legged robot is wasted. The multi-legged robot leg comprises a base joint unit, a first leg unit, a second leg unit and a third leg unit, one end of the base joint unit is connected with a trunk of a multi-legged robot, the other end of the base joint unit is connected with the first leg unit, and the two ends of the second leg unit are connected with the first leg unit and the third leg unit respectively. Self-locking can be achieved by changing the first screw and the first gear, when the first motor is not powered on, the first screw can prevent the first gear from rotating, it is ensured that the included angle between the first leg unit and the trunk of the multi-legged robot is not changed, the first motor does not need to be powered on any more, and limited energy carried by the multi-legged robot is saved.

The invention discloses an efficient aluminum plate cold-rolling mill oil injection mechanism, and relates to the technical field of aluminum plate cold-rolling mill oil injection, the efficient aluminum plate cold-rolling mill oil injection mechanism comprises a machining table, a transmission roller is fixedly mounted on the inner wall of the machining table, a motor is fixedly mounted on the outer wall of the machining table, and a pressing roller is fixedly mounted at the output end of the motor; the anti-deviation device is arranged on the inner wall of the machining table and comprises a lubricating box, a spraying opening, a supporting frame, a linear motor, a sliding plate, a sensor, a servo motor, a conveying wheel, a push plate, a guide plate, a fixing frame, a trapezoidal block and a deburring rod. The servo motor moves in the direction close to the middle of the conveying roller to drive the conveying wheel to move in the direction close to the middle of the conveying roller, the conveying wheel moves in the direction close to the middle of the conveying roller to be matched with the conveying belt to correct the aluminum plate, and the situation that the aluminum plate deviates during oil injection, consequently, lubricating oil cannot effectively cover the aluminum plate, and follow-up pressing roller rolling is affected is prevented.

The invention relates to the technical field of pressure vessel machining, solves the technical problems that in the polishing process, a pressure vessel cannot be well fixed, consequently, the pressure vessel is prone to shaking, and the polishing effect on a welding seam is affected, and particularly relates to an automatic polishing device for the welding seam of the pressure vessel. Comprising a bottom plate and a pressure vessel main body needing to be subjected to weld joint polishing, a fixing mechanism used for fixing the pressure vessel main body is arranged on the bottom plate, two clamping plates can be driven to move towards the middle position to clamp the pressure vessel main body through the arranged clamping mechanism, meanwhile, a plurality of semi-cylindrical rubber cushions are arranged on the clamping plates, and the pressure vessel main body is clamped through the rubber cushions. In the moving process of the clamping plates, the rubber cushions can make contact with the surface of the pressure container body and deform, so that the rubber cushions are better attached to the surface of the pressure container body, the friction force is further increased, the two ends of the pressure container body are fixed, and the pressure container body cannot move or rotate; and subsequent grinding is more convenient.

The invention relates to the technical field of brick sculpture transportation, in particular to a brick sculpture conveying device which comprises an assembling track structure and an assembling conveying belt, a driving mechanism is arranged at the bottom of the assembling track structure, the assembling conveying belt comprises a plurality of rubber connecting pieces, and brick sculptures are placed on the rubber connecting pieces; symmetrically-distributed baffle connecting blocks are arranged on the upper side face of the splicing conveying belt, brick carving baffles are rotationally arranged on the baffle connecting blocks, and each brick carving baffle comprises a blocking plate and a baffle rotating shaft. The splicing track structure and the splicing conveying belt are both of splicing structures, a certain length can be spliced according to needs, the use range is widened, the use flexibility is improved, meanwhile, the whole device can be spliced through flexible splicing, the whole device is convenient to carry and transport, the driving mechanism directly drives the splicing conveying belt, and the splicing track structure and the splicing conveying belt are convenient to use. And after a certain angle is adjusted, the brick bodies can be conveyed horizontally and upwards, and the flexibility and efficiency are further improved.

The invention discloses a wire and cable length metering device and a wire and cable length measuring method, the wire and cable length metering device comprises at least two groups of measuring tool strings, each group of measuring tool string comprises at least one measuring vehicle and at least two driving vehicles, and each measuring vehicle is located between two adjacent driving vehicles; each of the measuring vehicle and the driving vehicle comprises a shell and a crawler belt, a groove used for running of the crawler belt is formed in the lower surface of the shell, a plurality of parallel thrust wheels are arranged in the length direction of the groove, the two ends of a rotating shaft of each thrust wheel extend into an inner cavity of the shell from the side walls of the two sides of the groove respectively, and each rotating shaft is rotationally and hermetically connected with the corresponding side wall; all the thrust wheels of each shell are in transmission connection through a crawler belt, and an anti-skid pad is arranged on the outer surface of a chain link of each crawler belt. The traveling vehicle is used as power, traveling measurement is carried out in the length direction of the electric wire cable, and the problem that an existing electric wire length measuring instrument does not carry out traveling measurement along the electric wire cable is solved.

The invention discloses equipment and a method for detecting the strength of an annular section of a large-diameter TA31 pipe, and relates to the technical field of pipes. According to the annular section strength detection equipment for the large-diameter TA31 pipe, through the design of a composite mechanism, the pipe is placed in the processing mechanism, the pipe space is restrained through the limiting mechanism, the pipe is prevented from moving in the inspection process, danger to workers is avoided, and therefore normal operation of the equipment is kept; the fixing mechanism controls the pipe to rotate and rub with the processing mechanism, so that the effect of cleaning the surface of the pipe is achieved, the situation that stains on the surface of the pipe affect the detection effect is avoided, a hydraulic rod controls a pressing plate to extrude the surface of the pipe, and the detection effect on the annular section strength of the pipe is achieved; therefore, the friction force on the surface of the pipe is increased, the pipe is prevented from shaking in the downward pressing process, and the operation stability is improved.

The invention relates to the technical field of building roof hoisting, and discloses a large public building roof daylighting roof steel beam multi-mode collaborative hoisting and translation mounting device which comprises four steel plates, a sliding rail is fixedly mounted between every two steel plates, and a first chain block is mounted at one end of each sliding rail; the upper ends of the sliding rails are slidably connected with a supporting frame, second chain blocks are installed in the supporting frame, the lower ends of the two second chain blocks are connected with an adjusting device, steel cables are arranged at the two ends of the adjusting device, and the adjusting device comprises a shell installed at the lower ends of the second chain blocks. Unstressed steel cables are wound to the outer surface of the rotating rod through rotation of the rotating rod, then the shell drives the rack plate gear and the steel cables to gradually pull the steel beam to be lifted upwards, so that the situation that the steel beam deviates on the ground due to the fact that the two steel cables are pulled to the steel beam to be uneven in stress is reduced, and safety is improved.

The invention relates to the related technical field of reagent mixing, and discloses a medical immunoassay reagent mixing processor which comprises a device body, a stepping motor is mounted on the upper side of the interior of the device body, a circular plate is fixedly arranged at the output end of the stepping motor, a disc is arranged on the upper side of the circular plate, and a plurality of placement grooves are formed in the interior of the disc in a circumferential array mode. An adjusting assembly is arranged in the middle of each containing groove. Centrifugal force generated by rotation of the disc is matched with inclined arrangement of the test tube, so that a reagent moves up and down along the inner wall of the test tube, and the reagent layered up and down in the test tube can be quickly and uniformly mixed up and down; the reagent in the test tube is prevented from being splashed through the sealing cover; under the guiding action of a convex block on an ejector rod and the elastic action of a hollow elastic piece, a plurality of sleeves and the test tube are shaken up and down, so that the efficiency of quickly and uniformly mixing the reagents which are layered up and down in the test tube is improved.

The invention discloses solid waste treatment equipment for construction engineering construction and a treatment method of the solid waste treatment equipment, and belongs to the field of construction engineering equipment.The solid waste treatment equipment comprises a rack, a smashing box is fixed to the rack, the smashing box communicates with a discharging hopper, a baffle is arranged in the discharging hopper in a sliding mode, and a first air cylinder used for driving the baffle to move is installed on the smashing box; a crushing box is arranged on the rack, a U-shaped frame is arranged in the crushing box, a crushing roller is rotationally arranged in the U-shaped frame through a bearing, a motor for driving the crushing roller to rotate is mounted on the U-shaped frame, a second air cylinder for driving the U-shaped frame to move is mounted on the crushing box, and the cooling mechanism is arranged on the rack and used for cooling the crushing roller. Through the arrangement of the scraping mechanism, before the crushing roller is moved to the position of the spray head for cooling, part of impurities and dust adhering to the surface of the crushing roller can be scraped through contact between the crushing roller and the brush.

The invention discloses a dry-type transformer testing device, and relates to the technical field of testing devices, the dry-type transformer testing device comprises a workbench and a transformer main body, the transformer main body is installed on the workbench, the transformer main body is provided with a wiring terminal, and one side of the workbench is provided with a testing assembly for testing the transformer main body. According to the dry-type transformer testing device, when the brush is in contact with the outer wall of the wiring terminal and rotates, dirt, dust or other impurities on the outer wall of the wiring terminal can be effectively cleared away, through the clearing work, the insulation resistance tester body can check and measure the wiring terminal more accurately, and the testing efficiency of the dry-type transformer is improved. Therefore, potential connection problems, corrosion or abrasion and the like can be found easily, misjudgment or missing detection is avoided, and after interference factors of dirt and impurities are eliminated, the accuracy and reliability of a detection result can be improved.

The invention relates to a preparation method of paper, in particular to a preparation method of breathable paper applied to a packaging material. Chitosan and oxidized sodium alginate are subjected to a Schiff base reaction, so that a more open and loose coating layer is formed on the fiber surface, gas circulation is facilitated, and the air permeability of the paper is improved to a certain extent. And a covalent bond formed by Schiff base reaction enhances the binding force between chitosan and oxidized sodium alginate, so that the coating layer is more firmly attached to the surface of wood pulp fiber. The enhanced binding force is favorable for improving the mechanical properties such as tensile strength and breakage resistance of the paper, and an imine bond generated by the Schiff base reaction has higher chemical stability and can resist the influence of changes of external environments such as humidity, temperature and the like on the coating layer, so that the long-term stability of the performance of the paper is kept.

The invention relates to a pipe pile grouting expanded head pile forming process special for a prestressed concrete water jet cutter and a pipe, and belongs to the field of pipe pile construction. The large-head concrete block is integrally connected with the lower end of the tubular pile body and is in an irregular shape, the tubular pile body sequentially comprises a pile cap, a plurality of pipe joints and an inverted-cone-shaped pile head from top to bottom, the tubular pile body is provided with at least one high-pressure water or cement paste channel in the axial direction of the tubular pile body, and the pile head is provided with a material water hole communicated with the high-pressure water or cement paste channel. During construction, even if a special stratum is encountered, the hard stratum is impacted through the high-pressure water jet cutter, and static pressure or hammering is matched, so that the problem that an existing pipe pile is difficult to descend is solved. When the designed elevation is reached, guniting is carried out through high-pressure water or a cement paste channel in the pipe pile body, and a sphere-like expanded head is formed at the bottom of the pipe pile; the bearing capacity of a single pile can be improved, settlement of the pile body is limited, local displacement of the pile body is eliminated, and the anti-floating effect of the pile body is achieved.

The invention relates to the technical field of rock drilling, in particular to a rotary guide biasing mechanism for measurement and control while drilling, which comprises a drill rod, a detachable drill bit is arranged at one end of the drill rod, a support sleeve rod coaxial with the drill rod is rotatably arranged on the drill rod, and a rotating wheel deflector is arranged on the support sleeve rod; when a drill bit needs to deflect towards one side, a driving rod on one side of the deflection direction of the drill bit drives a sliding block to move in a sliding hole through a telescopic rod, so that the sliding block moves towards the downhill end of an inclined section, and at the moment, the sliding block drives a roller to be away from the inner wall of a drilled hole; the driving rod on the other side of the deflection direction of the drill bit drives the sliding block to move in the sliding hole through the telescopic rod, so that the sliding block moves towards the upslope end of the inclined section, the sliding block drives the roller to abut against the inner wall of the drilled hole at the moment, the friction force on the side is increased, and the drill bit deflects towards the side with small friction force; accurate control over the deflection direction of the drill bit is achieved.

The invention belongs to the technical field of fabric dyeing and finishing, and particularly relates to padding equipment for dyeing and finishing polyester fabric, which comprises a workbench, side edge plates are symmetrically arranged on the workbench, the two side edge plates are jointly connected with a rotating shaft, one end of the rotating shaft is provided with a rotating square groove, and the rotating square groove is connected with the output end of a rotating motor. The rotating motor is provided with an inserting-stopping assembling and disassembling assembly. A rotating cam is mounted at the other end of the rotating shaft, and a multi-cycle position correcting mechanism is connected to the rotating cam; the rotating shaft is further provided with a position adjusting and distance locking device. The position adjusting distance locking device comprises a distance adjusting square groove formed in the side edge plate in a penetrating mode. According to the device, fabric adhering to the driving roller is scraped through the movable scraping unit, the situation that the fabric is too dry due to the fact that the fabric is squeezed by two rollers all the time is avoided, and therefore the situation that workers need to manually remove the adhered fabric is avoided, the risk when the workers operate equipment is reduced, the phenomenon that the workers are injured by the rolling mill is avoided, and the working efficiency is improved. And therefore, the safety of the equipment during use is improved.

The invention discloses assembly type outer wall hoisting equipment, and relates to the technical field of building construction. The adjusting and adapting mechanism is located above the outer wall body. The number of the positioning mechanisms A is two, and the two positioning mechanisms A are installed at the top of the adjusting and adapting mechanism. The number of the connecting mechanisms is two, and the two connecting mechanisms are installed at the left end and the right end of the adjusting and adapting mechanism. The number of the guiding mechanisms is two, and the two guiding mechanisms are installed on the adjusting and adapting mechanism. The hoisting mechanism is mounted at the top end of the adjusting and adapting mechanism; the number of the positioning mechanisms B is two, and the two positioning mechanisms B are mounted on the front side and the rear side of the hoisting mechanism; a worker can conveniently and properly adjust the positions of the two movable adaptive frames according to the size of the outer wall body; the problems that generally, only walls of the same model can be hoisted, proper adjustment cannot be conducted according to the sizes of the walls, and the universality is low are solved.

The invention relates to the technical field of underwater construction equipment, in particular to an underwater rock breaking device for river regulation. The technical problems that when an existing breaking device breaks underwater rocks, breaking is not stable enough, the breaking device is prone to falling off from the rocks, and therefore the breaking effect on the underwater rocks is poor are solved. An underwater rock breaking device for river regulation comprises a hanging ring, the middle of the hanging ring is rotatably connected with a supporting cylinder, the top of the interior of the supporting cylinder is fixedly connected with a hydraulic rod, and the interior of the supporting cylinder is slidably connected with a sliding cylinder. Grooves and protrusions on the surface of the rock can be clamped through three sets of rotating pieces while the rock is clamped by the clamping arms, then the rock with the irregular surface is better clamped, the device is more stable on the rock, the inner wall of a hole of the rock is squeezed through a plurality of sliding columns after a drill bit punches the rock, and then the rock is broken. And therefore, the rock is easier to clean, and the breaking effect on the underwater rock is further enhanced.

The invention relates to appearance defect visual detection equipment which comprises a conveying assembly, a supporting frame is fixedly connected to the upper surface of the conveying assembly, a detection camera is fixedly connected to the inner top wall of the supporting frame, a mounting frame is fixedly connected to the upper surface of the conveying assembly, and a shell is arranged on the inner wall of the mounting frame; a cleaning brush assembly is arranged in the shell, and a dust removal part which is close to the cleaning brush assembly and carries static electricity is arranged in the shell. According to the dust removal device, the output end of the cleaning motor drives the driving roller to rotate, then the driving belt is driven to move under cooperation of the driven roller, then the bristles are driven to move, the dust removal part is arranged, dust in the bristles close to the dust removal part is adsorbed according to the electrostatic adsorption principle, and the dust in the bristles is removed through cooperation of the driving belt; during cleaning, part of the bristles contaminated with dust are moved to the upper portion so as to be attached to the dust removal part, and therefore the visual inspection equipment for the appearance defects has the effect of being high in cleaning efficiency.

The invention relates to the technical field of clamping equipment, in particular to clamping equipment suitable for machining of refrigeration compressors of different sizes. The clamping equipment comprises a moving plate, a second mounting plate is arranged on the moving plate, a driving assembly is arranged on the second mounting plate, and two clamping arms are symmetrically arranged on the second mounting plate; a plurality of telescopic grooves are evenly formed in the clamping arms, hydraulic telescopic rods are arranged in the telescopic grooves, the top ends of the hydraulic telescopic rods are rotationally connected with ejector rods, and rubber balls are arranged at the top ends of the ejector rods; a containing groove is formed over the telescopic groove, sliding grooves are symmetrically formed in the positions, located at the upper end and the lower end of the containing groove, of the telescopic groove, limiting assemblies are slidably connected into the sliding grooves, the annular air bag is arranged on the limiting assemblies, and clamping grooves matched with the limiting assemblies are formed in the ejector rod. An air pump used for inflating and sucking air into the annular air bags is arranged on the second mounting plate.

The invention relates to the technical field of cable deicing, and particularly discloses a caterpillar track rolling type cable deicing device and a control system, the caterpillar track rolling type cable deicing device and the control system can be used for cable deicing work, when a main control board receives an automatic deicing signal, the main control board controls a clamping driving device to drive two chain belts to be clamped in a splayed shape until the two chain belts are clamped in place, and the cable deicing work is completed. The clamping driving device stops driving; the main control board controls the eccentric vibration motor to start, and the other end of the chain belt vibrates in a reciprocating manner towards the cable for deicing so as to perform deicing operation at an initial position; the main control board controls the chain belt driving motor to start, and the chain belt vibrates, rolls and breaks ice while walking along the cable, so that mechanical deicing in the moving process of the caterpillar track rolling type cable deicing device can be realized through crushing and rolling under the condition that ice covering the surface of the cable generates stress fatigue due to mechanical vibration, and the service life of the cable is prolonged. The ice removing device can effectively remove ice with high binding force and thick ice layers such as glaze and mixed rime, and is high in ice removing efficiency and good in ice removing effect.

The invention discloses a burr removing device for badminton racket processing, and relates to the technical field of burr removing devices, and the burr removing device comprises a composite mechanism. According to the burr removing device for badminton racket processing, through the design of a composite mechanism, a racket is placed on the fixing mechanism, the outer side of the racket is clamped through the fixing mechanism, so that the effect of fixing an object is achieved, burr removing operation is facilitated, a racket rod is placed in the stabilizing mechanism, and the stabilizing mechanism fixes the racket rod; the polishing mechanism is controlled to ascend and descend through the electric push rod so that the racket can be attached conveniently, the edge removing quality can be improved, the motor drives the center rotating shaft to rotate so as to drive the polishing mechanism to rotate, and therefore the effect of polishing the inner ring of the racket is achieved. And the metal chippings fall into the collecting box from the central groove, so that the effect of collecting the chippings is achieved, impurities are convenient to clean, and the deburring effect is prevented from being influenced.

The invention discloses a water purifier with a layered filter element structure, and relates to the technical field of water purifiers, and the water purifier comprises a composite mechanism. According to the water purifier with the layered filter element structure, through the design of the composite mechanism, liquid enters from the feeding pipe and then is filtered through the layered filter element, impurities in the liquid are adsorbed, and the inner wall of the composite shell is scraped through the scraping mechanism, so that the effect of cleaning the impurities on the surface is achieved, excessive precipitation of the impurities is prevented, and the service life of the water purifier is prolonged. Impurities enter the output mechanism after being precipitated, filtered liquid flows towards the discharging pipe, follow-up treatment is facilitated, the treatment mechanism clamps the layered filter element, so that the rapid fixing effect is achieved, follow-up disassembly and replacement are facilitated, and the effects that the equipment can work for a long time, and the efficiency is improved are achieved. And the service life of equipment is prolonged.

The invention relates to a dry-type electronic pedal simulator with a hysteresis characteristic, which belongs to the technical field of automobile braking and comprises a shell, a cavity is formed in the shell, the inner peripheral wall of the cavity is conical, a cover plate covers the open side of the cavity, and a first support frame and a second support frame are arranged in the cavity in a sliding manner. A first elastic element is arranged between the first supporting frame and the second supporting frame, and a second elastic element is arranged between the second supporting frame and the bottom face of the cavity. A ball push rod is arranged on the outer side of the cover plate, one end of the ball push rod penetrates through the cover plate and is connected with a first supporting frame, and a damping ring is arranged on the periphery of the first supporting frame. The device has the advantages that the first elastic element and the second elastic element are compressed step by step, and sectional elastic force is provided to simulate the pedal feeling; the damping ring is in friction with the inner wall of the conical cavity to provide a hysteresis feeling, the deeper the ball push rod is pushed, the larger the friction between the damping ring and the inner wall of the cavity is, and the feeling that the hysteresis feeling of a pedal of a traditional vacuum booster is increased along with the increase of displacement is simulated.

The invention belongs to the technical field of new materials in textile engineering, and provides an antibacterial aromatic microfiber suede fabric and a preparation method thereof. The preparation method comprises the following steps: putting a fabric into a 2-methylimidazole solution for dipping treatment; after the dipping treatment is finished, adding a zinc source solution into a 2-methylimidazole solution for reaction to obtain a fabric with MOF nanorods growing on the surface; depositing the electrostatic spinning nanofibers loaded with the aromatic essential oil on a fabric with MOF nanorods growing on the surface to obtain an antibacterial aromatic spinning base cloth layer; and bonding the antibacterial aromatic textile base cloth layer on the microfiber suede layer to obtain the antibacterial aromatic microfiber suede fabric. The antibacterial fragrant microfiber suede fabric prepared by the method is applied to an automotive interior material, so that the automotive interior material has better antibacterial performance and fragrance release function.

The invention discloses a stacking robot based on material transportation, and relates to the technical field of material stacking. The device comprises a mounting frame, a transverse plate is slidably connected to the inner side of the top of the mounting frame in a limiting mode, a hydraulic rod is fixedly mounted in the middle of the top of the mounting frame, the bottom end of the hydraulic rod is fixedly mounted to the center of the top end of the transverse plate, and first rotating shafts are rotatably connected to the interior of the transverse plate in a front-back symmetrical limiting mode; and gears are fixedly mounted on the peripheries of the middle parts of the front and rear rotating shafts. According to the stacking device, materials can be elastically clamped, the clamping force can be mastered more easily, the materials can be effectively clamped under the condition that the materials are not damaged, the materials clamped between the clamping plates can be horizontally moved up and down, the stacking stability and precision are improved, the clamping friction force between the stacking device and the materials can be adjusted according to the distribution of the weight of the materials, and the stacking efficiency is improved. Inclined movement of the materials due to uneven weight distribution is avoided, and normal proceeding of subsequent material clamping and stacking is facilitated.

The present invention discloses an anti-skid mechanical claw for an industrial manipulator, and the present invention relates to the technical field of mechanical claws. Due to the inertia of the weight of an object itself, there is a tendency for the object and the mechanical claw to slide downward, causing the object to fall off when being clamped and lifted. The anti-skid mechanical claw for an industrial manipulator, through the cooperation of an inclined plane block and an outer inclined plate, enables the clamping plate to lift the object after clamping it, and through the friction between the clamping plate and the object, when the object has a tendency to slide downward, the clamping plate transmits the tendency to the inclined plane block and the connecting rod at the same time, causing the connecting rod and the inclined plane block to have a tendency to slide downward at the same time, and utilizes the sliding adaptation of the inclined plane of the outer inclined plate and the inclined plane block, and after the downward trend appears, the clamping force of the clamping plate toward the inside is increased to limit the sliding of the object, and prevent the object from slipping during the process of clamping and moving the object.