71results about How to "Reduce the probability of slipping" patented technology

The invention relates to a novel parallel shaft-type automatic transmission gearbox series, which is applied in the fifth, the sixth, the seventh, the eighth and the ninth gear of an automotive transmission system. Three types of automatic transmission gearboxes are produced according to the design concept, namely, an automatic transmission gearbox without a hydraulic torque converter, an automatic transmission gearbox with the hydraulic torque converter and an automatic manual transmission gearbox. By the optimized arrangement of a gear, a clutch and a synchronizer, when a plurality of clutches are used for gear shifting, the defaults of the high slip rate of the clutch of a dual-clutch automatic transmission, and high material requirement, high transient heating and complex control caused by the high slip rate are overcome, so that the slip rate of the clutch is reduced to a level within the allowed range of a traditional automatic transmission clutch material, thus simplifying the entire system. The default of using excessive forward gears in the dual-clutch automatic transmission and the traditional automatic transmission is overcome, and the invention permits using less forward gear, thereby reducing the cost, the weight and the volume of the gearbox.

The invention discloses a full-automatic grinding and cleaning machine and a grinding and cleaning technology thereof. The full-automatic grinding and cleaning machine comprises a feeding part, a CF cleaning part, a TFT cleaning part, a two-fluid cleaning and drying part, and a discharging part, wherein the feeding part, the CF cleaning part, the TFT cleaning part, the two-fluid cleaning and drying part and the discharging part are sequentially arranged on a machine table in the flow direction of glass pieces; the to-be-cleaned glass pieces are sequentially transported from the feeding part tothe CF cleaning part, a CF surface is cleaned through the CF cleaning part, the TFR surface is cleaned through the TFT cleaning part, and the CF surface and the TFT surface are cleaned by the two-fluid cleaning and drying part simultaneously and then dried, and the dried glass pieces are discharged and exported through the discharging part. According to the full-automatic grinding and cleaning machine and the grinding and cleaning technology thereof, transmission of the small and micro-sized glass pieces is effectively realized, and the problems of positional displacement and motion interference of the glass pieces in the two-fluid cleaning and drying process are effectively avoided; and rotating, material splitting, and exporting of the glass pieces are realized through cooperation of adouble-glass transmission channel formed by a gap between adjacent conveying rollers in an upward extending mode and a discharging mechanical arm, the height of a brush can be controlled in real time,displacement of the glass pieces is avoided, and the cleaning efficiency of the brush and the real-time cleaning versatility of the brush are effectively improved.

The invention discloses a traveling chassis of a submarine mining vehicle. The traveling chassis comprises a vehicle body bracket, a crawler bracket and two traveling crawlers, wherein the two traveling crawlers are arranged at the two sides of the crawler bracket; a plurality of long toothed plates are arranged on the traveling crawlers at intervals; a plurality of short toothed plates are arranged between the adjacent long toothed plates at intervals; each long toothed plate is higher than the corresponding short toothed plate; each long toothed plate is vertical to the grounding surface of the traveling crawler, and an acute angle is formed between each long toothed plate and the traveling direction of the corresponding traveling crawler. The traveling chassis of the submarine mining vehicle has the advantages that the pushing property is good, the slippage rate is low, the energy consumption is low, the traveling chassis is suitable for deep-sea thin and soft bottom environments, and the like.

Provided is a signing device for released fishes. The device includes a linkage assembly, a bottom plate, a signing gun assembly and a fish body fixing assembly, wherein the linkage assembly includes a pressing rod, a central supporting shaft, a supporting part and a second external spring; the supporting part is installed on the bottom plate, the central supporting shaft is installed on the supporting part, and the pressing rod body is hinged to the central supporting shaft; the fish body fixing assembly is composed of an air-operated pulling part and a fish body clamping part, the air-operated pulling part and the signing gun assembly are installed on the both ends of the pressing rod respectively, the fish body clamping par connected to the air-operated pulling part is installed on the bottom plate, and the fish body clamping part is positioned below the signing gun assembly; the both ends of the second external spring are installed on the pressing rod and the supporting part respectively. According to a signing method for the released fishes, the device is adopted for binding signboards on the released fishes. The signing device and method for the released fishes have the advantages of improving precision of binding the signboards, reducing falling rates of the signboards inside the bound fish bodies, decreasing damage caused on human and fishes by misoperation and the like, and belong to the field of experimental tools for aquatic products.

The invention belongs to the technical field of positioning pieces, and particularly relates to a screw. The screw comprises a screw head and a screw section formed by extending downwards from the screw head, wherein the screw section comprises a rod body formed by extending downwards from the screw head and a plurality of teeth portions formed outside the rod body; the screw head comprises a screw head main body and a starting plane arranged at one end of the screw head main body; a screw groove is formed in the screw head; the cross section of the screw groove has a closed structure consisting of five sequentially connected n-shaped convex teeth. Compared with the prior art, the cross section of the screw groove in the screw has the closed structure consisting of the five sequentially connected n-shaped convex teeth, and a stress effect is adequately considered, so that the groove profile is higher in torque transmission characteristic and the radial force with concentrated stress cannot be caused during fastening, a real 0-degree driving angle is realized, the radial force is eliminated, the driving performance of screw twisting is improved, the service life of the tool is prolonged, and the labor processing cost is reduced.

The invention discloses a sequential feeding device for a barrel-shaped workpiece. The device comprises a base, a conveying device and a feeding device, wherein the conveying device and the feeding device are both mounted on the base; the conveying device comprises a conveyor base assembly, a conveying transmission assembly and a feeding conveying assembly; the conveying transmission assembly and the feeding conveying assembly are mounted on the conveyor base assembly; the feeding device is arranged at the upper end of the feeding conveying assembly, comprising a feeding base rack, a feeding chute assembly and a feeding transmission assembly; the feeding base rack is fixedly mounted on the base; a feeding base plate on which the feeding chute assembly is mounted is arranged on the feeding base rack; a conveyed workpiece is arranged on the feeding chute assembly; the lower end of the feeding chute assembly is connected to the conveying transmission assembly which is connected to the feeding conveying assembly. The device is applied to the feeding processing of the barrel-shaped workpiece, is wide in operation scope, high in working efficiency, and simple in operation, and can greatly improve the working efficiency and the passing rate of finished products.

The invention relates to the technical field of numerical control equipment auxiliary devices, in particular to numerical control turret punching machine compact type intelligent feeding and discharging equipment. According to the numerical control turret punching machine compact type intelligent feeding and discharging equipment, the difficulty of a feeding device clamping plate materials througha clamp is reduced by lifting the plate materials at a certain angle at the front end of a mobile station; the uniformity degree of the plate materials on a stacking table is improved by arranging alimiting device on the stacking table, and thus, the probability of plate material falling on the stacking table can be reduced; the numerical control turret punching machine compact type intelligentfeeding and discharging equipment comprises an installation frame, the stacking table, the mobile station, the feeding device, a lifting material taking device and a central control module; the numerical control turret punching machine compact type intelligent feeding and discharging equipment further comprises two groups of hanging rods, a connecting plate, a lifting plate and a balance weight plate, and a working cavity is formed in a front area of the mobile station; and the numerical control turret punching machine compact type intelligent feeding and discharging equipment further comprises an installation block, an adjuster, two groups of extrusion plates, a left drive rod, a right drive rod, an adjusting gear, a pressing threaded rod, a left limiting ring, a right limiting ring, a left reset spring, a right reset spring, a left baffle and a right baffle, and an adjusting cavity is formed in the adjuster.

The invention relates to a water supply and drainage facility, and aims at providing a special crawling ladder for an inspection well. The special crawling ladder can be beneficial to use and maintenance of the plastic inspection well. The special crawling ladder for the inspection well comprises a supporting cage and a crawling ladder body. The outer side of the supporting cage is supported by the inner wall of the inspection well. The crawling ladder body is fixed into the supporting cage. The upper end and the lower end of the crawling ladder body are bent so that the middle of the special crawling ladder can get close to the center of the supporting cage. The area between the inner wall of the supporting cage and the special crawling ladder is used by a user to go up and down. The special crawling ladder is located at the positions, below the mouth of the inspection well, of an inner cavity of a shell and an inner cavity of a base body. The special crawling ladder and the mouth of the inspection well are each in the reducing shape with the upper portion thick and the lower portion thin. One steel ring on the special crawling ladder is supported by the reducing part of the inner wall of the mouth of the inspection well. The special crawling ladder is ingenious in structure and convenient to use.

The invention provides a seeder with a seedling strip cleaner. The seeder comprises a frame, furrow openers as well as a seedling box, a fertilizer box, seed-metering devices, fertilizer apparatuses, plow poles, ground wheels and roller sealers which are arranged on the frame, wherein the plow poles are all hollow; each furrow opener is fixed at the bottom of the frame by the plow pole; the plow poles extend into the lower ends in the furrow openers so as to serve as fertilizer discharge outlets; the upper ends of the plow poles are communicated with the fertilizer box by the fertilizer apparatuses; and the seed-metering devices which are communicated with the seed box are positioned above the rear ends of the furrow openers. The seeder is characterized in that: the bottom surfaces of thefurrow openers are raised in a ladder shape from front to back along the travelling direction; both sides, which are positioned between the fertilizer discharge outlets and the seed-metering devices,of the furrow openers are provided with scrapers; the seedling strip cleaner is arranged at the front ends of the furrow openers; the seeder comprises two axle bases which are suspended on the frame,a rotary knife shaft of which a horizontal bearing is arranged between the two axle bases, a power transmission mechanism and pairs of rotary knives which are arranged on the rotary knife shaft; eachpair of rotary knives are symmetrically arranged at an angle of 180 degrees; and one furrow opener is arranged right behind each pair of rotary knives. The seeder has a simple structure and excellentworking performance.

The invention discloses an engine accessory system. The transmission mechanism comprises an air condition compressor belt pulley, a power steering pump belt pulley, an electrical generator belt pulley, an idle pulley and a tightening pulley, and is connected with a crankshaft pulley through a multi-wedge belt, the crankshaft pulley as a driving pulley realizes the belt transmission, the tightening pulley is positioned on the casing body of the engine through an automatic tension mechanism, and is arranged at the position adjacent the loose side of the crankshaft pulley. By adopting the technical proposal, an electrical generator with a bigger dynamic rotation inertia is controlled perfectly while the tightening pulley maintaines a system overall tension force, thereby the utilization ratio of the tightening pulley is improved, the working stability of the electrical generator is improved, and the slip ratio is reduced; the air condition compressor is placed at the tightest side of the multi-wedge belt, the startability of the air conditioning system is improved, the utilization efficiency of the accessories is improved, the vibration quantity of the belt is reduced, the noise is lowered, and the stability, as well as the total life and the efficiency of the system are improved.

The invention discloses a power transmission tower anti-continuous-collapse system and method, and the method comprises the steps: enabling an acceleration sensor to be installed at a measurement point of a power transmission tower, collecting the acceleration data of the power transmission tower, obtaining the acceleration data corresponding to a sampling moment, and sending the acceleration data to a finite element analysis module; mounting the finite element analysis module on the computer to judge whether a disconnection instruction is sent or not according to the acceleration data; mounting a wire breaker on a cross arm of the power transmission tower to cut off power transmission wires between the power transmission towers according to the wire breaking instruction, wherein the acceleration sensor is in communication connection with the finite element analysis module and the wire breaker. According to the scheme, the acceleration sensor and the finite element analysis module are used for carrying out risk analysis on the basis of obtaining the stress condition of the power transmission tower; once the power transmission tower is in the dangerous state, the wire breaker cuts off the wire connection between the power transmission tower and the adjacent power transmission tower according to the wire breaking instruction, thereby preventing the power transmission tower from collapsing continuously due to the dragging of the wire, and greatly reducing the probability of falling of the power transmission tower.

The invention belongs to the field of textile machinery, and in particular relates to a cloth guide roller with racks. The cloth guide roller comprises a roller, roller covers, a connecting plate and the racks, wherein the roller covers are arranged on two ends of the roller, the connecting plate is fixed in the roller, the racks are arranged on the outer surface of the roller, and the cloth guide roller is characterized in that a plurality of columns of racks are uniformly installed on the surface of the roller in the radial direction, the racks are parallel to the axis of the roller, each column of rack is provided with a plurality of arc teeth, the height of arc teeth in each column of rack is gradually reduced from one end to the other end of the rack, and the height of the arc teeth of each adjacent column of rack is gradually reduced in an opposite direction. The racks on the roller are different in heights and are alternately arranged, so that the holding force for a fabric can be increased, and the slippage rate is reduced; moreover, the fabric is prevented from jumping out of the roller in the high-speed operation process, and the phenomenon that the roller is blocked by the fabric can be avoided.

The invention relates to the field of dual-purpose slides which can be installed on a stair and suitable for people and pets, in particular to a fitness type home entertainment slide. The fitness type home entertainment slide comprises a top slide, a bottom slide and sub-slides, wherein a rotatable top plate is installed on the top slide so that the top slide can adapt to the stairs with different inclination angles; a bottom plate with the adjustable angle is installed on the bottom slide so that the bottom slide can adapt to the stairs with different inclination angles; the sub-slides are installed on steps of the stair, detachably connected in an end-to-end mode and connected with the top slide and the bottom slide. Due to the detachable design, the fitness type home entertainment slide is convenient to store when not in use; and a channel for a pet to slide is installed on top slide, the top plate, the bottom slide, the bottom plate and the sub-slides. The fitness type home entertainment slide is mainly used by people wanting to experience a slide and people want the pet to experience the slide, can adapt to the stairs with different inclination angles and is multifunctional and wide in application range, and people can select to increase sliding resistance of the slide to increase slide pleasure.

The invention discloses a double-insulating layer electric wire provided with a spiral ring sliding sleeve for arc-extinguishing interception and capable of preventing fire. The double-insulating layer electric wire structurally comprises a double-layer insulating sleeve, an inner tube shell, a spiral ring sliding brush device, a sealing ring, a three-hole slot bundled tube, a wire core thin shelltube and a copper core wire rod. The double-layer insulating sleeve matches with the spiral ring sliding brush device, reverse hook spikes for protecting the copper core wire rod are rotated hierarchically, and the spikes are pressed for avoiding the phenomenon of extension deformation; and arc static electricity input into an inner circuit is also provided with the magnetic guided winding rotation arc extinguishing effect of a lining plate pulley frame, so that static electricity caused by reverse ion collision is avoided, a same-direction trajectory of the inner circuit is improved, the effect of spirally transmitting a current is achieved, a ratchet type motion trajectory of a ratchet ring groove and an outer ring soft brush needle is enhanced, structural relationships between the spikes at all angles and the outer surface of a copper core are differentially distributed around the center of a circle according to scale values, the prevention of inner and outer fire hidden dangers ofthe electric wire is guaranteed, and the sudden increase of electric arcs and electric sparks is effectively prevented.

The invention relates to the field of electrical equipment detection, and particularly provides an electrical equipment winding length wireless detection device and detection method. The device comprises a pressing wheel, a pressing wheel lever, a pressing spring, a detection guide wheel, a detection device, a main equipment support and a data processing circuit board. The pressing wheel lever is hinged on the main equipment support. The pressing wheel is installed on the end part of the pressing wheel lever. The detection guide wheel is installed on the main equipment support and arranged below the pressing wheel. Multiple pressing spring hook position holes are arranged on the lower side of the pressing wheel lever. One end of the pressing spring is hooked on the main equipment support, and the other end is hooked on any pressing spring hook position hole. The main equipment support is provided with the detection device used for detecting the rotating angle of the detection guide wheel. The detection device is connected with the data processing circuit board. The length of the enameled wire can be accurately detected according to the process requirements and the length detection data can be transmitted through a wireless communication mode.

The invention discloses an intelligent voice control box, which comprises a housing and a circuit module. The circuit module is arranged in a housing cavity, and includes a voice input part, a control part, a module assembly and a battery. The voice input part, the control part and the module assembly are connected in sequence. The battery is connected to the voice input part, the control part and the module assembly. The control part is connected to a server. The intelligent voice control box can accurately identify a voice control instruction sent by a user, can directly control various lamps, and has the characteristics of high identification rate, long identification distance, simple man-machine interaction and the like.

The invention discloses a steel pipe for an automobile exhaust system. The steel pipe for the automobile exhaust system comprises a pipe body, wherein an air inlet and an exhaust hole are formed in two ends of the pipe body; at least two cooling pipes are arranged on the pipe body; through holes for the cooling pipes to penetrate through are formed in the side wall of the pipe body; each cooling pipe comprises an outer connecting pipe and an inner connecting pipe; the outer connecting pipes are located on the outer parts of the pipe body; the inner connecting pipes are located in the pipe body; a cooling inlet is formed in one end in each outer connecting pipe; a clamping table and a limiting ring are arranged at the other end in each outer connecting pipe; the clamping tables are radiallyabutted against the outer side wall of the pipe body; limiting rings are inserted into the through holes of the pipe body in a matching way; an inserting section and a clamping block are arranged atone end on each inner connecting pipe; a cooling outlet is formed in the other end on each inner connecting pipe; the inserting sections penetrate through the through holes and the limiting rings so as to be detachably inserted into the outer connecting pipes; and the clamping blocks are radially abutted against the inner side wall of the pipe body. The cooling efficiency of automobile exhaust inthe pipe body is improved, the service life of the pipe body is prolonged, and the steel pipe for the automobile exhaust system is simple in structure, convenient to disassemble and assemble, and lowin maintenance and replacement cost.

The invention discloses a carrying vehicle and a chassis assembly thereof. The vehicle chassis assembly includes a chassis. At least two mounting seats are arranged on the chassis. Each mounting seatis rotatably connected with a connecting piece. Wheels are installed at the two ends of each connecting piece, and an adjusting device is further installed at one end of at least one connecting piece.The adjusting device is provided with a sliding rod connected to the connecting piece in a sliding mode. One end of the sliding rod is fixed to the chassis, and the other end of the sliding rod extends out of the top face of the connecting piece. An elastic piece is arranged between the top end of the sliding rod and the top face of the connecting piece. According to the vehicle chassis assembly,slipping of the vehicle on an uneven road surface can be reduced.

The invention discloses a transfer device of trowelling equipment and the trowelling equipment. The transfer device comprises a jacking mechanism, a steering mechanism and a transversely-moving mechanism. The steering mechanism is connected with the jacking mechanism. The transversely-moving mechanism is connected with the steering mechanism, and comprises a transversely-moving drive assembly andmultiple rollers. The transversely-moving drive assembly is connected with the at least one roller in order to drive the multiple rollers to walk. The jacking mechanism drives the transversely-movingmechanism to rise in order to enable the multiple rollers to be away from the ground; and the jacking mechanism drives the transversely-moving mechanism to fall in order to enable the multiple rollersto make contact with the ground and enable a chassis to be away from the ground, the steering mechanism rotates relative to the transversely-moving mechanism in order to enable the chassis to steer,and the multiple rollers are used for driving the chassis to walk. The jacking, steering and transversely-moving operation can be achieved, as the transversely-moving mechanism comprises the multiplerollers, the contact area with the construction surface is large, the pressure intensity of unit area during contact with the construction surface can be reduced, during the steering and transversely-moving operation, obvious pressing marks can be avoided, and the slip probability is reduced.

The invention discloses an automated guided vehicle and a vehicle chassis assembly. The vehicle chassis assembly comprises a bottom plate and at least four wheels, the wheels are connected to the bottom plate, the bottom plate comprises a first bottom plateand a second bottom plate, the first bottom plate body and the second bottom plate body are rotatably connected through a rotating shaft, and the first bottom plate and the second bottom plate are each connected with at least two wheels. A damping device is arranged between the first bottom plate and the second bottom plate. According to thevehicle chassis assembly, the stability of vehicle operation can be improved.

The invention relates to a yarn tensioning device of a circular knitting machine, and relates to the technical field of circular knitting machines. The yarn tensioning device comprises a rack, whereina mounting rack and a fixing rack are arranged on the rack; two fixing rings which are oppositely arranged are rotatably mounted on the fixing rack; bent elastic rods are arranged on the two fixing rings in the circumferential direction and in the direction of the opposite sides; the angle of two bent edges of each elastic rod is an obtuse angle; the elastic rods are bent towards the central axesof the fixing rings; the elastic rods on the two fixing rings are arranged in a staggered manner, and an annular area is formed in the staggered position; a fixing ring is arranged on the mounting rack; a rubber sheet is arranged on the fixing ring; a through hole is formed in the rubber sheet; yarn firstly bypass the annular area, then penetrate through the through hole and enter a yarn storagedevice; and the aperture of the through hole is smaller than the diameter of the yarn. According to the yarn tensioning device disclosed by the invention, the yarn are tensioned through the elastic restoring force of the elastic rods and the rubber sheet, so that the yarn can be tightly wound on a yarn conveying wheel, the probability of slipping is greatly reduced, the probability of missing knitting is reduced, and the knitting quality of fabric is greatly improved.

The invention discloses a fixing device for forest nutrition conveying and skin treatment. The fixing device comprises two groups of fixing components which are arranged in an up-down gap mode; each fixing component comprises two clamping parts which are oppositely arranged; each clamping part comprises a bottom frame, a vertical frame, a pressing air cylinder, a pressing plate, a pesticide storage box, a liquid spraying pipe and a hook; each vertical frame is longitudinally arranged on the outer end part of the top surface of the corresponding bottom frame; each pressing air cylinder is arranged in the middle part of the corresponding vertical frame; each pressing plate is longitudinally arranged above the inner end part of the corresponding vertical frame; and the outer arc surface of each pressing plate is fixedly connected with the movable end parts of the telescopic rods of the corresponding pressing air cylinder at one side of the middle cross beam of the corresponding vertical frame; each pesticide storage box is distributed on the outer side face of the cross beam of the corresponding vertical frame; the bottom of each pesticide storage box communicates with an liquid conveying pipe; a liquid collecting box communicating with the bottom of each liquid conveying pipe is distributed with a liquid spraying pipe; the bottom of the outer end surface of each vertical frame isdistributed with a hook which is in a shape of a U-shaped rod; and the bottom frames of the corresponding inner sides of the two groups of the fixing components are connected with each other througha connecting rope. According to the invention, the treatment efficiency is improved, the labor is saved, and the labor intensity is reduced.

The invention provides a driving wheel applied to a floor mopping machine. The driving wheel comprises a hub and a tire which are installed in a matched mode, the tire is provided with a first tread making contact with a to-be-cleaned surface and a second tread making contact with the hub, and a plurality of anti-skid wire grooves which are formed around the rotating axis direction of the drivingwheel and extend in the axial direction of the driving wheel are distributed in the first tread. The invention provides a driving wheel of a cleaning robot. Antiskid wire grooves are formed in a tiretread of a tire and a to-be-cleaned surface; the friction force between the surface of the tire and the ground is effectively increased, so that the driving wheel can normally run even if the drivingwheel runs on a wet ground with water, the slipping probability is reduced, the durability of the tire is improved, the tire is effectively prevented from being misplaced relative to the hub, and thedriving wheel is particularly suitable for a floor mopping machine working on the wet ground.

The invention discloses a gear type traceless pipe wrench and a method. The traceless pipe wrench comprises a jaw and a wrench handle, wherein the jaw comprises an upper jaw assembly and a lower jaw assembly, and the wrench handle comprises a rocking handle assembly; one end of the upper jaw assembly is hinged to the rocking handle assembly, the other end of the upper jaw assembly is hinged to thelower jaw assembly, and a large gear is fixedly arranged at the other end of the lower jaw assembly; a small gear is arranged at the hinged position of the upper jaw assembly and the rocking handle assembly; a return ratchet wheel is arranged on the right side of the small gear; and the upper jaw assembly and the lower jaw assembly each comprise a clamping part, and a rubber pad is arranged on the inner side wall of each clamping part. The working method of the traceless pipe wrench completes the construction of a pipe through a plurality of steps. According to the traceless pipe wrench, thegear combination is arranged, so that the holding force of the traceless pipe wrench is large in the construction process, and the slipping probability is small; the rubber pads are arranged, so thatthe surface of the pipe is effectively protected; and the return ratchet wheel is arranged, so that the jaw of the traceless pipe wrench can loosen the pipe when the traceless pipe wrench returns, thetraceless pipe wrench does not break away from the pipe, the force can be quickly applied when the pipe is screwed, and time and labor are saved.

The invention provides a V belt wheel for skid resistance by centrifugal force. The V belt wheel comprises a wheel flange, a wheel arm, a wheel hub, a V belt groove, an anti-skid cavity, an anti-skidblock, a connecting rod, a connecting rod piston, a movable cavity, a first overflow valve, a hydraulic cylinder, a hydraulic cylinder piston, an air hole and a second overflow valve. The V belt groove is formed in the periphery of the wheel flange, the anti-skid cavity is formed in the bottom of the V belt groove, the anti-skid block is arranged in the anti-skid cavity, the connecting rod is fixedly connected at the bottom of the anti-skid block, the connecting rod piston is fixedly arranged at the other end of the connecting rod, the first overflow valve and the second overflow valve are arranged at the bottom of the movable cavity, the hydraulic cylinder piston is slidably arranged on the inner wall of the hydraulic cylinder, and an air hole is formed in the bottom of the hydraulic cylinder. According to the anti-skid V belt wheel, the anti-skid block, the connecting rod and the connecting rod piston are matched, the anti-skid block can be fitted with the bottom of a V belt by the aid of the outward swung centrifugal force when the V belt wheel rotates at high speed, frictional force between the V belt and the V belt wheel is improved, transmission stability of the V belt is improved, and sliding probability is reduced.

The invention relates to the technical field of medical instruments for critical patients, and discloses a multifunctional prone position pad for preventing pressure sores for critical patients. By starting a first motor, the first motor drives a gear to rotate, the top of the gear is meshed with the bottom of a connecting toothed bar, so that the frame body is driven to slide on the surface of the horizontal cushion plate body, and a limiting block is slidably connected in a limiting groove; by starting a second motor, the second motor drives a threaded rod to rotate, so that an elastic adjusting pad is driven to vertically slide on the surface of a sliding rod, and the limbs of the patient can be vertically pulled; by pulling a pull block, the pull block drives a clamping block to move horizontally and drives a baffle to extrude a reset spring, so that the right end of the clamping block is separated from a clamping groove, and a breathable medicine application plate is pulled out by utilizing a handle; by starting the electric fan, outside air is driven to enter the hot air frame through the air inlet, the heating pipe emits heat, hot air is input into the lying cushion plate body, and the medicine bag and disinfectant fluid are evaporated for fumigation treatment.

The invention discloses a traveling chassis of a submarine mining vehicle. The traveling chassis comprises a vehicle body bracket, a crawler bracket and two traveling crawlers, wherein the two traveling crawlers are arranged at the two sides of the crawler bracket; a plurality of long toothed plates are arranged on the traveling crawlers at intervals; a plurality of short toothed plates are arranged between the adjacent long toothed plates at intervals; each long toothed plate is higher than the corresponding short toothed plate; each long toothed plate is vertical to the grounding surface of the traveling crawler, and an acute angle is formed between each long toothed plate and the traveling direction of the corresponding traveling crawler. The traveling chassis of the submarine mining vehicle has the advantages that the pushing property is good, the slippage rate is low, the energy consumption is low, the traveling chassis is suitable for deep-sea thin and soft bottom environments, and the like.

The invention discloses an electricity testing pen capable of increasing friction. The electricity testing pen comprises an insulating cylinder which is hollow inside and is provided with openings at the two ends of the insulating cylinder. One opening end of the insulating cylinder is provided with a button. One end of the button is disposed in the opening end. The button can move in the opening end. A groove is disposed on the outer wall of the insulating cylinder and is bestrewn on the outer wall of the insulating cylinder in a helical line manner. The electricity testing pen has the advantages of simple structure and easy use. The design of the groove enables a user to be capable of conveniently and firmly holding the electricity testing pen so as to reduce dropping probability and increase work efficiency.

The invention discloses a push injection pump convenient to carry, and belongs to the technical field of push injection equipment. The push injection pump convenient to carry comprises a push injection pump main body, wherein a control panel is installed on the surface of the push injection pump main body in an embedded mode, and a protection mechanism is installed in the push injection pump main body. According to the invention, by arranging a protection mechanism, when a push injection pump body falls and a detection numerical value exceeds an early warning numerical value, a control panel controls to open an electromagnetic valve so as to make compressed air in an air storage tank flow into an air bag through a first air guide pipe, the air bag is rapidly expanded, the air bag jacks off a pipe plug and extends to the outside of a mounting pipe in the expansion process, then the air bag is completely expanded outside the mounting pipe, the air bag can make contact with the ground firstly before the push injection pump main body makes contact with the ground so as to greatly reduce the impact force of the push injection pump body, and the air bag can effectively retard the falling speed of the push injection pump body so as to reduce the vibration force of the push injection pump body.