421results about How to "Easy towing" patented technology

A hitch and axle assembly including a support structure detachably securable to a vehicle and an axle assembly. A hitch is mountable on the support structure. The axle assembly includes a primary axle member defining a primary axis. Torsion beam assemblies are coupled to opposite lateral sides of the primary axle member. The torsion beam assemblies each include a torsion member that extends substantially coincident with the primary axis and a lever arm that extends substantially transversely from the torsion member. Wheel assemblies are mounted on a distal portion of the lever arms wherein the wheel assemblies each define an axis of rotation that is parallel and spaced from the primary axis. The two wheel axes are substantially coincident. The torsion bar assemblies may be rotationally adjustable relative to the primary axle to thereby provide for the vertical adjustment of the wheel assemblies.

The Invention is a center-of-intersection portable traffic light for emergency use. The portable traffic light features a cart with wheels, a telescoping light standard and one or more light assemblies. A preemption signal detector and traffic detector detect emergency vehicles and traffic, respectively. A control system controls the operation of the portable traffic light. A radio transceiver allows the portable traffic light to communicate with the other portable traffic lights. One of the portable traffic lights in a group acts as a master and controls operation of slave portable traffic lights. Any of the portable traffic lights in a group may act as master and any may act as slave.

The invention discloses a bogie of a high-speed motor train unit. By adopting a brand-new bogie structure and a hanging connection and traction mode, overall lightweight design is realized, the unsprung weight of the bogie is reduced, and the hanging parameter between the bogie and a body is optimized. On the basis that the high-speed running speed is met, stability when the bogie passes through a big corner and good traction and braking performance are expected. The bogie comprises a framework, two groups of wheel set travelling devices, a linear motor, a first hanging device, a second hanging device, a traction device and a foundation brake device. The framework comprises a pair of side beam assemblies and a pair of cross beam assemblies which are connected with each other; each side beam assembly has a hollow box body structure, and comprises a pair of upper and lower cover plates and a pair of lateral web plates which are welded; each cross beam assembly comprises a pair of hollow steel pipes penetrating the lateral web plates and welded with the lateral web plates; and a pair of air spring supporting beams is welded at two ends of a steel pipe and outside the lateral web plates.

A lightweight, strong, sturdy, and versatile evacuation sled is disclosed. The body of the sled may be manufactured from a single piece of material, stored flat, and folded into its functioning configuration. When folded, the sled has one or more straps that help hold it in its folded configuration and allow maneuvering or carrying the sled. The sled may be readily towed with a towing harness and may be moved down an incline, such as stairs, by means of a rope and belay device. The sled has a low coefficient of friction and is lightweight, allowing the sled to be readily moved and handled without requiring the assistance of multiple people. Additional sleds with foam inserts may be provided to carry equipment such as for life support. The sled may also provide surge capacity for facilities like hospitals, as the sled is designed to be inexpensive and essentially disposable.

The invention discloses a method for continuously manufacturing 3-CCM (three Catalyst Coated Membranes) of a fuel cell. The method is characterized by comprising the following step of: under a condition that a protective membrane is adhered on one side of a proton exchange membrane, compositing a catalyst on the other side of the proton exchange membrane by utilizing a process manner, such as a direct coating manner, a printing manner, an indirect coating manner, a spray coating manner, a slit extrusion manner and a physicochemical deposition manner. The method for continuously manufacturing the 3-CCM of the fuel cell, disclosed by the invention, has the advantages that: (1) coil-to-coil easy continuous batch manufacturing can be realized; (2) the size precision is better and composite defects are fewer in the manufacturing procedure because the proton exchange membrane adhered with the protective membrane has excellent size stability in a compositing process of a catalyst layer and the proton exchange membrane; and (3) the manufacturing of the 3-CCM of the fuel cell with slotted catalyst layer can be continuously realized. When the 3-CCM are manufactured by utilizing the method for continuously manufacturing the 3-CCM of the fuel cell, disclosed by the invention, batch production is easier, and the yield is higher at the same time.

The invention relates to an intelligent folding scooter which comprises a front scooter body and a rear scooter body. The front scooter body and the rear scooter body are connected in a foldable mode through a front scooter body and rear scooter body connecting piece. The front scooter body comprises handlebars, a handlebar lifting rod and a driving wheel, wherein the handlebars are connected to the two sides of the top end of the handlebar lifting rod through threads, a front wheel fork piece is fixedly arranged at the bottom of the handlebar lifting rod, and the driving wheel is rotationally installed on the front wheel fork piece. The rear scooter body comprises a pedal, a folding device and a rear wheel, wherein the folding device is fixedly installed at the front end of the pedal and provided with a folding footstep, the front scooter body and rear scooter body connecting piece is movably connected to the folding device, a rear wheel installation base is arranged at the rear end of the pedal, the rear wheel is rotationally installed on the rear wheel installation base, a battery locking device and a controller are arranged on the handlebar lifting rod, a detachable and replaceable battery pack is installed on the battery locking device, and the controller is electrically connected with the detachable and replaceable battery pack. The intelligent folding scooter is light and flexible, easy to fold and store, complete in function and good in man-machine interaction performance.

The invention relates to a traffic transportation railway signal automatic control system which comprises places such as a railway special line, a bus special line, a subway and a light rail where a signal control device for heavy type turnout multi-machine traction is used. A device for railway heavy type turnout multi-point-switch synchronous traction and control is mainly characterized in that a phase A power line is connected with a power source discriminator circuit and a feedback detection circuit through a locking protection circuit and the output end of the phase A power line is connected with an X5 end of a point switch through a power switch K1 and a change-over switch K4 and connected with an X3 end of a point switch through the power switch K1 and a change-over switch K5; a phase B power line is connected with the power source discriminator circuit and the feedback detection circuit through the locking protection circuit and the output end of the phase B power line is connected with an X2 end of a point switch through a power switch K2 and a change-over switch K6 and connected with an X4 end of a point switch through the power switch K2 and a change-over switch K7; a phase C power line is connected with the power source discriminator circuit and the feedback detection circuit through the locking protection circuit and the output end of the phase C power line is connected with an X1 end of a point switch through a power switch K3. The device has the advantages that a five-wire system turnout switching indication circuit composed of a safety relay is replaced by an electronic circuit, indication of localization and anti-position of a turnout can be detected and analyzed in real time, and safety is further improved.

Disclosed is a traction device for detachable association with a motor bike for winter driving, the bike having a rear wheel assembly including an axle and a rubber tire supported by laterally spaced bike struts. The traction device comprises laterally spaced opposed side strut assemblies each having a forward end and rearward end, a traction wheel assembly and an endless track. The side strut assemblies each include means adapted to pivotally connect the forward end of each of the strut assemblies to the bike adjacent the rear axle of the bike wheel assembly with the strut assemblies extending rearwardly of the bike, The traction wheel assembly is rotatably supported by the rear ends of the strut assemblies. The endless track has means for cooperating with the rubber tire of the bike and the traction wheel assembly to maintain the endless track centered on the rubber tire and the traction wheel assembly.

A self propelled food and beverage receptacle. This device has an insulated storage means, in combination with a driving mechanism. Said driving mechanism allows for differential speed, steering, and breaking. The present device is thought to be most beneficial in serving large crowds, where the stored cargo must be quickly and efficiently transported over relatively large distances. Particular embodiments are envisioned where a device operator may ride upon said receptacle, or merely guide said receptacle with very little effort.

A collapsible bicycle includes a handlebar, a tubular portion, a front wheel portion, a saddle portion, a first frame, a second frame, a rear wheel portion, and supporting coasters. The saddle portion has a rod body. The rod body is fixed obliquely on one end of the second frame, and the other end of the second frame is rotatably pivoted on the tubular portion. One end of the first frame is rotatably pivoted with a clamping element on the tubular portion, and a middle portion of the second frame is rotatably pivoted on a middle portion of the first frame. A supporting element extends from the end of the first frame near the rear wheel portion allowing supporting the collapsible bicycle.

The invention discloses a surface cross-scale composite micro-modeling tool and a preparation method, and belongs to the technical field of machine manufacturing. The surface of a tool material is subjected to micro-modeling treatment of a recessed cavity morphology, a micron-size recessed cavity and a nanoscale groove are machined in a friction and abrasion sensitive area on the surface of a hardcoating, a combined way that the groove communicates with the cavity is adopted for distribution, and the cross-scale composite micro-modeling coating tool is obtained. In this way, the film-base combined strength of the coating tool is improved, and the wettability and lubrication performance of the surface of the coating tool are improved.

The invention discloses a protective cap of an optical fiber inserting core. The protective cap comprises a main body part and an elastic tail part. The main body part is provided with a first side and a second side which are opposite in a first direction. The first side of the main body part is installed at the front end of the inserting core. The elastic tail part is connected at the second side of the main body part and extends for a preset length along the first direction. When the inserting core provided with the protective cap passes through a long and thin pipeline or is installed in the external shell of a connector, the front end surface of the inserting core and the front end surface of the optical fiber can be effectively protected from being externally damaged.

The invention discloses an inserting core component comprising an internal shell, a spring, a porous inserting core, a multi-fiber optical cable, a sleeve and a heat shrink tube. The inserting core component is an independent integral part which is separated from the external shell of an optical fiber connector, and the external shell of the optical fiber connector can sleeve the inserting core component. A smaller multicore inserting core component can be rapidly assembled by all other parts of the optical fiber connector apart from the external shell and the external tail sleeve so that the multicore inserting core component can be easily pulled to pass a long and thin pipeline in a traction way. Besides, after the multicore inserting core component passes through the pipeline, the external shell and the external tail sleeve can be conveniently installed on the multicore inserting core component so as to form a complete multicore optical fiber connector.

The invention discloses an intelligent folding electric bicycle. The intelligent folding electric bicycle is characterized in that a saddle, a front fork assembly, a bicycle beam, a bearing frame, a supporting frame, a first rear wheel, a second rear wheel, pedals, a first rotary shaft, a second rotary shaft, a third rotary shaft, a fourth rotary shaft and intelligent module are included; the front fork assembly is connected with the front end of the bearing frame through the first rotary shaft; the bicycle beam comprises a first bicycle beam rod and a second bicycle beam rod; the saddle is arranged at the tail end of the bicycle beam; the supporting frame is located below the tail of the bicycle beam, and rotatably connected with the bicycle beam through the third rotary shaft; the front end of the bearing frame is connected with the front end of the bicycle beam through the second rotary shaft; a second brake device is arranged between the bicycle beam and the supporting frame; the intelligent module comprises a master controller, a battery, a GSM / GPRS data transmission module, a positioning module and a speed measurement module, and the battery, the GSM / GPRS data transmission module, the positioning module and the speed measurement module are connected with the master controller. The electric bicycle can be folded, and meanwhile has the good anti-theft alarming, abnormality monitoring, intelligent locking and battery capacity monitoring functions.

The present invention is directed to a mobile light tower that utilizes multiple sources of energy to provide a highly energy efficient source of illumination. The components are mounted on a frame providing double wall containment. The electrical components are mounted on an interior component mount allowing the electrical subsystem to be assembled independently from the rest of the mobile light tower. Leg assemblies supporting the mobile light tower can be folded up flush into a channel in the mobile light tower housing.

The invention relates to an X-shaped folding three-wheeled electric bicycle. The X-shaped folding three-wheeled electric bicycle comprises a frame I, a frame II, a folder, a saddle, a driving mechanism, an electric driving system, a steering system, a front wheel and two rear wheels, an inclined support tube of the frame I is welded on a connecting tube, the connecting tube is welded on a saddle tube, both ends of the inclined support tube are welded on the lower leaf of the folder and a bottom bracket, the bottom bracket is welded on a front fork shaped like a Chinese character 'nai', and the saddle is mounted in the saddle tube; a left tube and a right tube of the frame II are welded on a U-shaped curved plate, the upper leaf of the folder and a transverse connecting tube, a U-shaped stamping is welded on the U-shaped curved plate, the lower ends of the left tube and the right tube are welded on a left inclined connecting tube and a right inclined connecting tube, and the rear ends of the left inclined connecting tube and the right inclined connecting tube are welded on a left axle tube and a right axle tube; the front wheel is driven by the human-powered driving mechanism, a motor of the electric driving system is integrated with the front wheel, a battery holder, a battery and a controller are fixed on the inclined support tube, and the steering system comprises T-shaped handlebars, handlebar-connecting plates, a left connecting rod, a right connecting rod, a left knuckle bearing, a right knuckle bearing, a left turnable seat and a right turnable seat.

The invention discloses a water depth surveying boat, comprising a boat body and a sealed cabin sealed by cover board in the boat body. The sealed cabin comprises a working cabin having apparatus installing location and battery installing location. A pull hook is equipped at one side of said boat body; the bottom of boat body is set with an internal tester probe installing hole, which is set with a protective cover, the central location of which is set with a round hole having the same size with the ultrasonic wave generating device of tester probe. The water depth surveying boat solves the difficulty of water depth survey caused by that river segments with a lot of beaches, rapid water flow and large fall cannot be connected by boats. The water depth surveying boat is made of steel sheet with small volume and light weight, so the boat can be pulled by ashore staff to survey the water depth. The device is simply designed, conveniently operated, installed with less assembly, lower cost and mature technique and fit for complicated river segments.

The invention discloses an automatic aircraft weight center of gravity measuring apparatus and a control method thereof. The apparatus herein includes a fixed front scale and a fixed rear scale. The center lines of the fixed front scale and the fixed rear scale are provided with a sliding middle scale thereon, and the fixed front scale, the fixed rear scale and the sliding middle scale form a triangle. The fixed front scale and the fixed rear scale both include a digital weighing table. Each digital weighing table is connected to a lifting structure therebelow. The digital weighing table is also provided with a laser displacement sensor therebelow. The sliding middle scale includes a digital weighing table. The digital weighing table is connected to a lifting structure therebelow. The lifting structure is disposed on a scale sliding module. The apparatus herein can automatically measure the weight center of gravity of various kinds of aircrafts, and effectively addresses great measurement errors and high measurement cost due to differences of weighing devices upon measuring the weight center of gravity of various kinds of aircrafts.

The invention discloses shell fabric disinfection equipment used for mask processing, and relates to the technical field of mask processing. The shell fabric disinfection equipment comprises a machinebody, a disinfection mechanism and a drying chamber, wherein the inner left side of the machine body is provided with a sterilization chamber; a material inlet is arranged on the left lower part of the sterilization chamber; the upper side and the lower side of the outer part of the material inlet are independently fixedly provided with an outer baffle plate; the inner side of each outer baffle plate is provided with a dust removal mechanism; the inner side of the material inlet is provided with a fed material guide roller; the outer side of the fed material guide roller is provided with a shell fabric main body; a first traction roller is installed in the sterilization chamber; the upper side and the lower side of the inner wall of the sterilization chamber are independently provided with an ultraviolet lamp; and a disinfection chamber is arranged in the middle of the machine body. The shell fabric disinfection equipment has the beneficial effects that the arrangement of the dust removal mechanisms is convenient to clean the surface of the shell fabric main body, the position height of a soft hairbrush can be conveniently flexibly regulated through a telescopic rod to enable thesoft hairbrush to be laminated with the surface of the shell fabric main body, and therefore, the outer surface of the shell fabric main body can be subjected to dust removal through two groups of symmetric soft hairbrushes.

The invention discloses a mask machine. The machine comprises a machine body provided with a mask body raw material feeding mechanism. A mask body raw material edge folding mechanism, a nose bridge line feeding and cutting mechanism, a mask body ultrasonic welding mechanism, a cloth type ear belt raw material feeding and cutting mechanism, an ear belt raw material waste edge collecting mechanism,an ear belt ultrasonic welding mechanism, an ear belt waste piece collecting mechanism and a finished mask cutting mechanism are sequentially arranged at the downstream of the mask body raw material feeding mechanism of the machine body. By adoption of the mask machine, all procedures are synchronously completed on one linear production line, linear assembly line machining of masks is achieved, and compared with a traditional mask machine, the mask machine has advantages that the size of the mask machine is effectively reduced, the space occupancy rate of the mask machine is greatly reduced, the procedures are simplified, and the production efficiency is greatly improved; and meanwhile, the ear bands on the produced mask are wide ear bands, so that the ears are not pressed, the wearing comfort is greatly improved, and the wearing sealing performance is good.

The invention relates to a saloon car tyre surface and specially, relates to patterns of the saloon car tyre surface. The saloon car tyre surface comprises a centre pattern block, side pattern blocks and shoulder pattern blocks. The side pattern blocks and the shoulder pattern blocks are orderly and regularly arranged at left and right sides of the centre pattern block from inside to outside. The saloon car tyre surface is divided into left and right symmetrical parts by the centre pattern block. The centre pattern block is a vertical one-piece pattern block and is located in the center of the saloon car tyre surface. The centre pattern block is separated from the side pattern blocks through main vertical circle pattern channels located between the centre pattern block and the side pattern blocks. The side pattern blocks are separated from the shoulder pattern blocks through auxiliary vertical circle pattern channels located between the side pattern blocks and the shoulder pattern blocks. Adjacent two of the side pattern blocks are separated through an inclined side pattern channel and two ends of the inclined side pattern channel are respectively communicated with the main vertical circle pattern channel and the auxiliary vertical circle pattern channel. Adjacent two of the shoulder pattern blocks are separated through a shoulder pattern channel and the shoulder pattern channel is communicated with the auxiliary vertical circle pattern channel. The patterns of the saloon car tyre surface are mixed patterns and thus the saloon car tyre surface can produce an enough braking force and has good control performances and a beautiful appearance.

The invention discloses an electric bicycle which comprises a frame assembly, a head handle assembly, a front wheel assembly, a rear wheel assembly, a power assembly, a braking assembly, a cushion assembly and a pedal assembly, wherein the frame assembly comprises a front supporting frame, a rear supporting frame and a lower supporting frame; the lower supporting frame comprises a first supporting frame, a second supporting frame and a folding mechanism; the rear end of the first supporting frame and the front end of the second supporting frame are movably connected through a folding mechanism; rotation of the folding mechanism drives all the frame assemblies to rotate, thus realizing folding and unfolding of the whole frame, and automatically locking the position after folding and unfolding are completed. The electric bicycle is convenient to fold and easy to operate; folding or unfolding of the whole bicycle can be completed by once operation; meanwhile, after being folded, the bicycle is more compact, small in size and light in weight, convenient to carry and draggable; the problems in traveling and storage during last several kilometers between a destination of a user and a public transport are solved, and the problem of complexity in folding and unfolding operation of the existing folding bicycle is solved.

The invention provides a portable box type electric bicycle capable of rapidly folding a locking handle in a hand pulling manner. The portable box type electric bicycle comprises a box body linkage folding mechanism, a front frame, a bicycle seat, a front fork, a V-shaped folding handle, a front wheel, a back wheel, a manual driving mechanism, an electric driving system and a cover. The portable box type electric bicycle is characterized in that the box body linkage folding mechanism is formed by connecting a folding blade and a seat base with a folding box, connecting the both ends of a connecting rod with the folding blade and the seat base, connecting a semicircular lock shaft with the folding box, connecting a locking handle with the semicircular lock shaft, and connecting a bicycle frame with the both edges of the folding box; a bicycle beam is connected with a middle shaft, a secondary shaft and the back wheel; the front frame is connected with the folding blade; the bicycle seat is connected with the seat pipe; the front fork is connected with the front frame; the V-shaped folding handle is connected with the front fork; the front wheel is mounted on the front fork; a crank and a fore-small chain wheel and a post-chain wheel are connected with the secondary shaft; a flywheel is connected with the back wheel; the electric driving system comprises a motor, a vehicle battery, a controller and a control switch; the motor is configured on the back wheel; the vehicle battery and the controller are placed in a front pipe piece; and the cover is fixedly connected between the both sides of the bicycle beam.

In its simplest form the present invention includes a drawbar hitch accessory having a hitch plate having a top surface, a bottom surface, a front edge, a rear edge, a left side edge and a right side edge. The top surface is generally rectangular in shape and is divided into six zones including a front right zone, a front center zone, a right center zone, a rear left zone, a rear center zone and a rear right zone. The rear left zone has a first hook opening extending from the top surface to the bottom surface and is generally centered in the rear left zone. The rear center zone has a second hook opening extending from the top surface to the bottom surface and is generally centered in said rear center zone and the rear right zone has a third hook opening which extends from the top surface to the bottom surface and is generally centered in the rear right zone. The front center zone has a first hitch plate ball mount opening extending from the top surface and is generally centered in the front center zone.

The invention discloses a multi-linkage foldable travel tool and a folding method. The whole travel tool mainly consists of a pedal, a rear wheel arranged at the rear end of the pedal, a power source, a driving mechanism, a front set mechanism, a front wheel and a multi-linkage folding assembly, wherein the front set mechanism is connected with the front wheel, and is connected with the front end of the pedal through the multi-linkage folding assembly; through the multi-linkage folding assembly, the whole front set mechanism can be simultaneously folded and moved towards one side relative to the pedal, so that the front wheel moves towards the rear wheel till the front wheel is positioned at one side of the rear wheel. Besides, the front wheel and the rear wheel are in left-and-right distribution, and the axis of the front wheel and the axis of the rear wheel are in the same axis. The travel tool is light and handy. According to the travel tool, all protruding components, except the pedal, can be integrally hidden at the bottom of the pedal in a folding manner; besides, the front wheel is moved towards one side of the rear wheel, so that an integral wide wheel is formed; the folded travel tool is convenient to drag and push, so that the travel tool is convenient to carry.

The invention relates to a trunk with folding wheels. The trunk with the folding wheels comprises a trunk main body, and the folding wheels are arranged at the lower half part of the trunk main body; the folding wheels comprise wheels and pivot joint mechanisms, and the wheels are pivoted to the trunk main body through the pivot joint mechanisms; the pivot joint mechanisms comprise fixed shafts and rotation reset devices; the rotation reset devices rotationally sleeve the fixed shafts, the fixed shafts are fixed on the trunk main body, and the rotation reset devices are connected with the wheels; each rotation reset device can rotate between a working position and a retracted position around the corresponding fixed shaft, and can reset to the retracted position from the working position without being subjected to forces; a blocking piece used for limiting each rotation reset device is arranged at one end of each fixed shaft. The folding wheels are used as spare wheels, so that the folding wheels can be unfolded to be used when road conditions are poor or universal wheels of the trunk main body are damaged, without causing extra burdens for users; the rotation reset devices drive the wheels to automatically return from the working positions to the retracted positions, thereby saving labor and not occupying extra space.

In its simplest form the present invention includes a drawbar hitch accessory having a hitch plate having a top surface, a bottom surface, a front edge, a rear edge, a left side edge and a right side edge. The top surface is generally rectangular in shape and is divided into six zones including a front right zone, a front center zone, a right center zone, a rear left zone, a rear center zone and a rear right zone. The rear left zone has a first hook opening extending from the top surface to the bottom surface and is generally centered in the rear left zone. The rear center zone has a second hook opening extending from the top surface to the bottom surface and is generally centered in said rear center zone and the rear right zone has a third hook opening which extends from the top surface to the bottom surface and is generally centered in the rear right zone. The front center zone has a first hitch plate ball mount opening extending from the top surface and is generally centered in the front center zone.