149results about How to "Realize rotary connection" patented technology

The invention is suitable for the technical field of household appliance and discloses a door articulated mechanism and a dish washing machine provided with the door articulated mechanism. The door articulated mechanism comprises a fixing component, a rotating component and a connecting assembly; the connecting assembly comprises a connecting shaft, a friction mechanism, a spring, a connecting sleeve and a locking component; one end of the connecting shaft is fixed to the fixing component, the friction mechanism and the spring are arranged on the middle portion of the connecting sleeve in a sleeved mode, and the rotating component and the friction mechanism are arranged between the fixing component and the spring; the connecting sleeve is arranged on the spring in a sleeved mode, and the rotating component is arranged on the connecting sleeve in a sleeved mode; the rotating component is connected with the friction structure in an inserted mode; the locking component is fixedly connected with the other end of the connecting shaft and locks the friction mechanism, the spring, the connecting sleeve and the locking component to the connecting shaft. According to the door articulated mechanism and the dish washing machine, on the one hand, hovering of a machine door at any opened angle is achieved; one the other hand, the universality of the door articulated mechanism capable of making the machine door to hover at any opened angle on the household appliances of different sizes are improved.

The invention discloses a bridge monitoring device convenient to debug. The bridge monitoring device comprises a rack of which the inner top is provided with a hollow mechanism, and a rack base which is in running fit connection with the bottom of the rack, wherein a fixed plate is arranged in the hollow mechanism; a monitoring probe is arranged on the front end face of the fixed plate; a first rotating hinge pin and a second rotating hinge pin are separately arranged on the left and right sides of the fixed plate; the tail on the left side of the first rotating hinge pin is in running fit connection with a first sliding block; an opening groove is formed in the first sliding block; a third toothed wheel fixedly connected with the first rotating hinge pin is arranged in the opening groove; the tail on the right side of the second rotating hinge pin is in running fit connection with a second sliding block; placing grooves are correspondingly formed in the tops of the inner walls on the left and right sides of the hollow mechanism; a first accommodating cavity is arranged in the position on the side, where the left placing groove is away from the hollow mechanism, of the rack; a second accommodating cavity is arranged in the position, below the first accommodating cavity, in the rack; a third accommodating cavity is arranged in the position, on the right side of the second accommodating cavity, in the rack; a rod shaft which extends left and right is arranged in the third accommodating cavity; and the right side end of the rod shaft is connected with a first electric rotating machine.

The invention discloses a water spraying device for municipal gardens. The water spraying device comprises a box shell of which the inner top is provided with a connecting groove, and a base which is in rotating fit connection with the bottom of the box shell, wherein a connecting plate is arranged in the connecting groove; a nozzle is arranged on the front end face of the connecting plate; a first adapter shaft and a second adapter shaft are separately arranged on the left and right sides of the connecting plate; the tail on the left side of the first adapter shaft is in rotating fit connection with a first sliding connection block; an empty groove is formed in the first sliding connection block; a third tooth disc fixedly connected with the first adapter shaft is arranged in the empty groove; the tail on the right side of the second adapter shaft is in rotating fit connection with a second sliding connection block; groove parts are correspondingly formed in the tops of the inner walls on the left and right sides of the connecting groove; a first accommodating cavity is arranged in the position on the side, where the left groove part is away from the connecting groove, of the box shell; a second accommodating cavity is arranged in the position, below the first accommodating cavity, in the box shell; a third accommodating cavity is arranged in the position, on the right side of the second accommodating cavity, in the box shell; a shaft rod which extends left and right is arranged in the third accommodating cavity; and the right side end of the shaft rod is connected with a first motor.

The invention discloses a displaying lamp box, which can overcome the defect that the conventional displaying lamp boxes are complex in advertisement curtain changing. The displaying lamp box includes a box body; an advertisement curtain; a box cover covering the box body; a rolling device having a detachable rolling barrel for rolling the advertisement curtain which is arranged on the box body and can generate a reverse rolling force to roll the advertisement curtain when the advertisement curtain is pulled down; and a clamping plate which is used for clamping a lower end of the advertisement curtain, can slide from the top of the box body to the bottom of the box body so as to pull the advertisement curtain. According to the displaying lamp box, the advertisement curtain can be changed and installed without demounting a back plate or a piece of transparent glass, the change process is convenient and fast.

The invention relates to an oil supply device which comprises a machine frame. The machine frame is provided with an oil tank, a first piston mechanism and a driving mechanism. The first piston mechanism comprises a first piston cylinder, a first piston and a first piston rod. The first piston is in sealed sliding connection with the interior of the first piston cylinder, the first piston rod is fixedly connected to the first piston, an oil inlet pipe is connected between the first piston cylinder and the oil tank, the oil inlet pipe is provided with a first one-way valve, the first piston cylinder is connected with an oil drainage mechanism, a brush is connected to the oil drainage mechanism, and the oil drainage mechanism is provided with a second one-way valve. The driving mechanism comprises an inner gear ring and a gear, the gear is engaged with the inner gear ring, a first connection rod is fixedly connected to the gear, the end, away from the gear, of the first connection rod isused for being detachably connected with a chain wheel, a second connection rod is fixedly connected to the gear, and the end, away from the gear, of the second connection rod is rotationally connected to the first piston rod. By means of the scheme, a chain is automatically coated with oil.

The invention discloses a bearing feeding device. The bearing feeding device comprises a rack. A tray is arranged on the rack. The tray comprises a bottom plate and a baffle arranged at the edge of the bottom plate. A rotary plate is rotationally arranged on the bottom plate. A motor is arranged under the tray. An arc-shaped material guiding plate is arranged on the rotary plate. The two ends of the arc-shaped material guiding plate are fixedly connected with the tray through a first connecting plate and a second connecting plate correspondingly. One end of the arc-shaped material guiding plate is close to the center of the tray, and the other end of the arc-shaped material guiding plate is close to the edge of the tray. The end, close to the edge of the tray, of the arc-shaped material guiding plate is the feeding end. The feeding end of the arc-shaped material guiding plate and the baffle arranged at the edge of the tray form a feeding inlet allowing a bearing to pass. The opening diameter of the feeding inlet is exactly matched with the outer diameter of the bearing. The distance between the lower surfaces of both the first connecting plate and the second connecting plate and the upper surface of the rotary plate is matched with the height of the bearing. The bearing feeding device has the advantages of being capable of achieving automatic feeding operation, high in whole-process automation degree and work efficiency and stable in speed during feeding.

The invention provides a marine electronic throttle control device, a control method and a ship. The marine electronic throttle control device comprises a shell; the operating handle is rotatably connected with the shell through a damping rotating shaft; and the control assembly is arranged in the shell, and the control assembly can obtain the rotation angle of the operation handle and control the output power of the ship propeller according to the rotation angle. The ship comprises the electronic throttle control device for the ship and at least one propeller for the ship. The electronic throttle control device is simple in structure, accurate in control, convenient to operate and capable of controlling a plurality of ship propellers, and the operation has a damping sense.

The invention discloses a foldable glasses leg assembly and head-mounted equipment. A rotating shaft part in the foldable glasses leg assembly comprises a glasses frame connecting part, a glasses legconnecting part and an elastic part; the glasses frame connecting part extends into the first cavity of the glasses frame through the glasses frame opening part to be rotatably connected with the inner wall of the glasses frame, and the glasses leg connecting part extends into the second cavity of the glasses leg through the glasses leg opening part to be fixedly connected with the inner wall of the glasses leg; when the glasses leg is bent towards the outer side of the glasses frame, the elastic part abuts against the peripheral wall where the opening part of the glasses frame is located so as to limit the reverse bending angles of the glasses leg, the elastic part is stressed and compressed to deform so that the glasses legs can have the tendency of moving towards the inner side of the glasses frame, certain clamping force can be kept when the glasses legs are bent reversely, and the wearing comfort is improved. The FPC assembly in the head-mounted device is arranged in the glasses frame, the gaps between the elastic deformation arms and the glasses leg connecting parts and in the glasses legs in a penetrating mode, the FPC assembly is not exposed when the glasses leg is folded,and the product reliability is improved.

The invention discloses an LED street lamp capable of achieving the high solar energy utilization ratio. The LED street lamp comprises assembling frames and assembling seats, assembling grooves are formed in the tops of the assembling frames, and the bottoms of the assembling frames are rotatably connected with the assembling seats in a matched mode; assembling plates are installed in the assembling grooves, solar-energy photovoltaic plates are installed on the front end faces of the assembling plates, and first steering shafts and second steering shafts are installed on the left sides and the right sides of the assembling plates correspondingly; first sliding blocks are rotatably connected with the tail ends of the left sides of the first steering shafts in a matched mode, and grooves are formed in the first sliding blocks; third gears being fixedly connected with the first steering shafts are installed in the grooves, second sliding blocks are rotatably connected with the tail ends of the right sides of the second steering shafts in a matched mode, and containing grooves are symmetrically formed in the tops of the inner walls of the left sides and the right sides of the assembling grooves; first cavities are formed in the assembling frames on the sides, being away from the assembling grooves, of the containing grooves on the left sides, second cavities are formed in the assembling frames below the first cavities, and third cavities are formed in the assembling frames on the right sides of the second cavities; and transmission shafts extending leftwards and rightwards are installed in the third cavities, and the right side ends of the transmission shafts are connected with a first motor.

The invention discloses a solar LED street lamp. The solar LED street lamp comprises a mounting rack and a mounting base, wherein the inner top of the mounting rack is provided with a mounting groove; the mounting base is rotatably connected with the bottom of the mounting rack in a matched mode; a mounting plate is arranged in the mounting groove; the front end face of the mounting plate is provided with a solar photovoltaic panel; the left and right sides of the mounting plate are provided with a first steering shaft and a second steering shaft correspondingly; the left tail end of the first steering shaft is rotatably connected with a first sliding block in a matched mode; the first sliding block is internally provided with a groove, and a third gear fixedly connected with the first steering shaft is arranged in the groove; the right tail end of the second steering shaft is rotatably connected with a second sliding block in a matched mode; the tops of the left and right inner walls of the mounting groove are symmetrically provided with containing grooves; a first cavity is formed in the side, far from the mounting groove, of the left containing groove and located in the mounting rack; a second cavity is formed in the position, below the first cavity, of the interior of the mounting rack; a third cavity is formed in the position, on the right side of the second cavity, of the interior of the mounting rack; a transmission shaft extending left and right is arranged in the third cavity; and the right side end of the transmission shaft is connected with a first motor.

The invention discloses a bridge monitoring equipment convenient to debug. The bridge monitoring equipment convenient to debug comprises a rack, a rack base, a hollow mechanism is arranged in the inner top of the rack, the rack base is in operating fit connection with the bottom of the rack, the hollow mechanism is internally provided with a fixing plate, and a monitoring probe is arranged on thefront end face of the fixing plate; a first rotating pin shaft and a second rotating pin shaft are arranged on the left side and the right side of the fixing plate correspondingly, a first sliding block is in operating fit connection with the tail part of the left side of the first rotating pin shaft, and the first sliding block is internally provided with an opening part groove, and a third toothed wheel which is fixedly connected with the first rotating pin shaft is arranged in the opening part groove; a second sliding block is in operating fit connection with the tail part of the right sideof the second rotating pin shaft, placing grooves are correspondingly formed in the tops of the inner walls of the left side and the right side of the hollow mechanism, and a first accommodating cavity is formed in rack and is located on the side, deviated from the hollow mechanism, the left placing groove; and a second accommodating cavity is formed in the rack below the first accommodating cavity, a third accommodating cavity is formed in the rack on the right side of the second accommodating cavity , a rod shaft which is arranged in a left-right extending mode is arranged in the third accommodating cavity, and the right side end of the rod shaft is connected with a first electric rotating machine.

The invention discloses a rotary projection lamp for a construction site. The rotary projection lamp comprises a mounting rack with a groove formed in the inner top and a mounting base in rotating fit connection with the bottom of the mounting rack, wherein a projection lamp module is arranged in the groove, a searchlight holder is arranged on the front end surface of the projection lamp module, a first rotating shaft and a second rotating shaft are arranged on left and right sides of the projection lamp module respectively, the tail end of the left side of the first rotating shaft is in rotating fit connection with a first slider, an open slot is formed in the first slider, a third conical wheel fixedly connected with the first rotating shaft is arranged in the open slot, the tail end of the right side of the second rotating shaft is in rotating fit connection with a second slider, mounting grooves are symmetrically formed in tops of inner walls of left and right sides of the groove, a first cavity is formed in the mounting rack and on one side, far away from the groove, of the mounting groove on the left side, a second cavity is formed in the mounting rack below the first cavity, a third cavity is formed in the mounting rack and on the right side of the second cavity, a spline driving rod extending bilaterally is arranged in the third cavity, and the right side end of the spline driving rod is in power connection with a first motor.

The invention discloses an H-shaped coupler assembly and a rail vehicle. The H-shaped coupler assembly comprises a coupler, a buffer device, a steering body and a joist device. A vertical pin penetrating hole' is formed in a connecting rod of the coupler, a transverse pin penetrating hole' is formed in one end of the buffer device, and a transverse pin penetrating hole and a vertical pin penetrating hole which are mutually perpendicular are formed in the steering body. Transverse pins are arranged in the transverse pin penetrating hole and the transverse pin penetrating hole' simultaneously ina penetrating mode, thus the buffer device and the steering body are rotationally connected, and the steering body can swing in the perpendicular plane relative to the buffer device so as to meet thevibrating need of the rail vehicle and the need of the rail vehicle for passing through a vertical curve. Vertical pins are arranged in the vertical pin penetrating hole and the vertical pin penetrating hole' simultaneously in a penetrating mode, thus the coupler and the steering body are rotationally connected, and the coupler can swing in the horizontal plane relative to the steering body so asto meet the need of the rail vehicle for passing through a horizontal curve. The H-shaped coupler assembly belongs to a tight-lock coupler assembly, the vertically-allowed moving distance of the H-shaped coupler assembly is small, great anti-abrasion performance is achieved, thus abrasion of the coupler is reduced, and the service life of the coupler is prolonged.

The invention relates to optical fiber releasing equipment of underground moving equipment of a coal mine. The equipment comprises a box body, a box cover, a turntable, a stand column, a first guide wheel, a second guide wheel, a lead pipe and a power mechanism; an accommodating cavity with an open top is defined by the box body, the box cover is rotatably connected with the box body, the turntable is positioned in the accommodating cavity, the turntable is rotatably connected with the box body, the vertical stand column is arranged on the turntable, an optical fiber wire package is placed onthe turntable, and the optical fiber wire bag sleeves the stand column; the first guide wheel and the second guide wheel are arranged on the inner side wall of the accommodating cavity and are rotatably connected with the box body, and the outer wheel periphery of the first guide wheel and the outer wheel periphery of the second guide wheel are spaced and define a guide space; the power mechanismis connected with the first guide wheel and the second guide wheel, the power mechanism is suitable for driving the first guide wheel and the second guide wheel to rotate, and the rotation directionsof the first guide wheel and the second guide wheel are opposite; and the lead pipe is arranged on the outer side wall of the box body, and optical fibers of the optical fiber wire package penetrate through the guide space and the lead pipe and protrude outwards.

The invention provides a front swivel component for a haemorrhoids loop ligature device and belongs to the technical field of medical instruments. The front swivel component comprises a loop ligature pipe body and a loop ligature port and further comprises a universal joint arranged between the loop ligature pipe body and the loop ligature port, wherein one end of the universal joint is a semispherical rotary end, and the other end of the universal joint is a cylindrical connecting end; an arc-shaped connector matched with the rotary end of the universal joint is arranged at the end, facing the loop ligature port, of the loop ligature pipe body, and the rotary end of the universal joint is connected to the interior of the arc-shaped connector in a sleeved mode and can rotate in the arc-shaped connector; the universal joint is detachably connected with the loop ligature port through the connecting end. The front swivel component is simple in structure and convenient to configure. Due to the fact that the loop ligature port and the loop ligature pipe body are connected in a rotary mode through the universal joint, the angle between the loop ligature port and the loop ligature pipe body can be adjusted conveniently, a loop ligature device gun body does not need to be adjusted in use, using is convenient, and configuration and usage of the haemorrhoids loop ligature device are facilitated.

The invention discloses a massage armchair with a stowable leg. The massage armchair comprises a mat frame, a bottom frame, a shank frame, a connecting rod and an electric push rod, wherein the bottom of the mat frame is connected with the bottom frame, the mat frame comprises a top frame and a first connecting piece which is connected to the bottom of the top frame, a second connecting piece is connected to one end of the electric push rod, the other end of the electric push rod is fixedly connected with the bottom frame, the side end of the second connecting piece is fixedly connected to the tail end of the connecting rod and is rotatably connected with the first connecting piece, the top end of the second connecting piece is abutted against the connecting rod, and the front end of the connecting rod is rotatably connected with the shank frame. The massage armchair has the beneficial effects when the massage armchair is not used by a user and a part of the electric push rod is retracted, the connecting rod is driven to move downwards, the shank frame is driven to reverse downwards by the connecting rod, and the shank frame is continuously retracted into the bottom frame as the electric push rod is continuously retracted, so that the retraction process of the shank frame is completed, the structure is simple, and the use is convenient.

The invention relates to a human-machine interaction sports car.The human-machine interaction sports car comprises installing plates, a rotating structure, two wheels, a hub motor and a balance control system.The rotating structure is used for connecting the first installing plate and the second installing plate and making the first installing plate and the second installing plate rotate relative to each other.Because the bottom face of the first installing plate and the bottom face of the second installing plate are provided with a first groove and a second groove respectively, the first groove and the second groove are used for containing rotating rods in the rotating structure so that the first installing plate, the second installing plate and the rotating structure can be connected into a whole and can have a weight bearing effect as a mechanics total weight bearing structure.

The invention discloses a construction site all-directional illumination projection lamp. The lamp comprises a mounting frame body provided with a groove in the top, and a mounting base rotationally matched and connected with the bottom of the mounting frame body; a projection lamp module is arranged in the groove; a searchlight cap is arranged on the front end surface of the projection lamp module; a first rotating shaft and a second rotating shaft are respectively arranged on the left and right sides of the projection lamp module; the tail end of the left side of the first rotating shaft is rotationally matched and connected with a first slide block; an opening groove is formed in the first slide block; a third conical wheel fixedly connected with the first rotating shaft is arranged in the opening groove; the tail end of the right side of the second rotating shaft is rotationally matched and connected with a second slide block; mounting grooves are symmetrically formed in the tops of the inner walls of the left and right sides of the groove; a first cavity is formed in the mounting frame body on one side, far from the grove, of the mounting groove on the left side; a second cavity is formed in the mounting frame body below the first cavity; a third cavity is formed in the mounting frame body on the right side of the second cavity; a spline driving rod extending left and right is arranged in the third cavity; and the right side end of the spline driving rod is in power connection with a first motor.

The invention relates to an intra-cavity mounting rack of an inside deviation rectifying device, in particular to a mounting rack for mounting the inside deviation rectifying device in a joint cavity between two pipe joints and enabling the mounting of the inside deviation rectifying device to conform to the requirements of deviation rectifying in a pipe. The intra-cavity mounting rack comprises a rotary foundation support and a rotary beam mounted on the rotary foundation support, the rotary beam is provided with a sliding mounting base, one end of the rotary beam is hinged to the rotary foundation support, and the other end of the rotary beam is connected with a hoisting mechanism. According to the intra-cavity mounting rack, the rotary beam is provided with the sliding mounting base; the problem of mounting the inside deviation rectifying device in the joint cavity is solved, the device mounting process is simplified, the operating risk is lowered, and the working efficiency is improved.

The invention discloses a multifunctional medical artificial nose. The artificial nose includes an outer tube inserted in the trachea of a patient, an inner tube is inserted in the outer tube, the end, stretching out of the outer tube, of the inner tube is connected with a tube connection device, the lower end of the tube connection device is connected with a cylindrical air humidifying and heating device through a catheter, the cylindrical air humidifying and heating device includes a first outer ring and a second outer ring which are in threaded connection, a filter net is arranged in the first outer ring, a separation plate is arranged in the second outer ring, the separation plate divides the inside of the outer ring into a heating layer and a humidifying layer, heating wires are arranged in the heating layer, several air outlets are formed in the separation plate, the side, located on the humidifying layer, of the separation plate extends and is provided with a humidifying tube communicated with the air outlets, the humidifying tube is provided with several humidifying holes in the peripheral direction, and a water-absorbing sponge is embedded in the humidifying layer in the second outer ring. The multifunctional medical artificial nose is compact in structure, can filter, humidify and heat air, improves the user's comfort by imitating the function of the nasal cavity of ahuman body, and has a good preventive effect on some respiratory diseases.

The invention relates to production equipment for a liquid organic fertilizer and a method. The production equipment comprises a pot body, a stirring mechanism and a heat-conductive coil pipe, wherein the stirring mechanism comprises a stirring device and a power mechanism, and the power mechanism is mounted at the outer side of the pot body; the stirring device is arranged in the pot body, and one end of the stirring device penetrates through the roof of the pot body and is connected to an output end of the power mechanism; and the heat-conductive coil pipe is mounted in the pot body. According to the equipment and the method, the heat-conductive coil pipe is directly arranged inside the pot body, organic waste liquid is injected into the pot body, then, the area of contact between the heat-conductive coil pipe and the organic waste liquid is large, the efficiency of heat conducting is increased, the organic waste liquid is subjected to high-temperature high-pressure treatment, the liquid organic fertilizer meeting the requirements of industry specified innocent treatment is produced, and the production efficiency is increased greatly; macromolecules which are not absorbable to plants are decomposed into absorbable water-soluble micromolecules, so that the water solubility of the liquid fertilizer is improved, and effective organic components of the liquid fertilizer are increased; and meanwhile, the stirring mechanism is arranged, so that the rate of reaction is further accelerated, and the industrialized and large-scale production of the liquid organic fertilizer is achieved.

The invention discloses a vehicle, a display device and a rotating mechanism. The rotating mechanism comprises a first connecting piece, a second connecting piece and a third connecting piece, whereinthe first connecting piece is provided with a first rotating part arranged in a first direction, the second connecting piece is provided with a second rotating part arranged in the first direction and a third rotating part arranged in a second direction, the second rotating part is used for rotating and friction-fitting with the first rotating part, the second direction is perpendicular or approximately perpendicular to the first direction, and the third connecting piece is provided with a fourth rotating part arranged in the second direction, and the fourth rotating part is used for rotatingand friction-fitting with the third rotating part. The rotating mechanism facilitates the use of a display screen and improves the driving experience feeling, and therefore, the display screen of thedisplay device adopting the rotating mechanism is convenient to use, and the driving experience feeling of the vehicle adopting the display device is high.

The invention discloses a lifting type pesticide spraying device on a mobile carrier. The lifting type pesticide spraying device comprises a spraying rack, a spray pesticide box, a lifting mechanism,a telescopic mechanism, a buckle hinge and a pipe box mechanism, wherein the spray pesticide box is placed on the spraying rack, both sides of the spray pesticide box are connected with the telescopicmechanism, the pipe box mechanism is connected with the telescopic mechanism through the buckle hinge, and the telescopic mechanism is installed on the lifting mechanism. The lifting type pesticide spraying device is installed on the mobile carrier for use, and has the advantages of automatic spraying, and solves the problems of small spraying range, no adjustment function and manual spraying ofpesticides on fruit trees. At the same time, the invention overcomes the shortcomings of the related technology and effectively solves the problem that the existing spraying device cannot change the spraying position of the spraying vehicle, so that the spraying range is small and the spraying efficiency is low.

The invention discloses a telescopic garbage can dedicated to a kitchen. The telescopic garbage can comprises a can body, a partition plate group, a cylinder group, a storage bucket, an air exchange device, a pressure sensor and a controller, wherein a cover is arranged at the top of the can body; an elastic component is annularly arranged at the upper part of the can body; the partition plate group comprises at least three arc-shaped partition plates of the same specification; the cylinder group comprises a plurality of cylinders, is positioned below the partition plate group and does not interfere with a door; a piston rod of each cylinder is connected with the lower surface of the corresponding partition plate; the storage bucket is movably arranged inside the can body and is positioned below the cylinder group; a filter screen is arranged inside the storage bucket to perform solid-liquid separation on garbage fragments; the air exchange device is arranged in a clearance between the storage bucket and the inner wall of the can body; and a cold catalytic agent is arranged inside the air exchange device. According to the telescopic garbage can dedicated to the kitchen, the garbage can can be drawn according to the volume of garbage, garbage can be pretreated into fragments with relatively small sizes, and can be subjected to solid-liquid separation and deodorization, products with different proportions can be manufactured according to requirements of customers, and the garbage can has the advantages that the structure is simple, the manufacturing is easy and the popularization is worthwhile.

The invention discloses a braking mechanism and a transportation vehicle, and relates to the field of transportation tools. The braking mechanism includes a braking cable, a front gate line, a back gate line and a braking control box. The braking control box is internally provided with a pull assembly. The pulling assembly comprises a pulling part and a balancing part. The balancing part is rotationally connected to the pulling part. The braking cable pulls the pulling part so as to drive the balancing part to pull the front gate line and the back gate line simultaneously. The balancing part rotates to distribute the braking force of the front gate line and the back gate line. According to the braking mechanism, linkage control of one braking handle over a front gate and a back gate is achieved, and the braking force of the front gate line and the back gate line can be properly distributed.

The invention relates to the field of asphalt construction, in particular to a smoke suppression asphalt construction device which comprises a vehicle body, wheels and a material box are arranged on the vehicle body, a discharging pipe is arranged on the material box, a swing pipe is rotationally connected to the bottom end of the discharging pipe, a swing gear is coaxially and fixedly connected to the swing pipe, and a torsional spring is arranged between the swing pipe and the discharging pipe; the wheels are coaxially and fixedly connected with axles, the axles are coaxially and fixedly connected with first bevel gears, the first bevel gears are meshed with second bevel gears, the second bevel gears are coaxially and fixedly connected with rotating shafts, and the rotating shafts are coaxially and fixedly connected with first driven gears; a driving shaft is rotationally connected to the vehicle body, a sector gear is arranged on the driving shaft and located between the first driven gear and the swing gear, and the swing gear and the first driven gear are intermittently and alternately meshed with the sector gear; and a driving mechanism for driving the driving shaft to rotate is arranged on the vehicle body. According to the smoke suppression asphalt construction device, the smoke suppression asphalt mixture can be uniformly poured on the ground.

The invention discloses a multistage folding type spiral conveying mechanism for a paver. The mechanism comprises a first spiral shaft arranged on one side of a main machine of the paver, a first material baffle located on the front side of the first spiral shaft, at least two second spiral shafts arranged at the end, away from the main machine of the paver, of the first spiral shaft and second material baffles corresponding to the second spiral shafts one to one. The second material baffles are arranged on the front sides of the second spiral shafts corresponding to the second material baffles. The first material baffle is hinged to one second material baffle adjacent to the first material baffle. Every two adjacent second material baffles are hinged. The first spiral shaft is detachably connected with one second spiral shaft adjacent to the first spiral shaft, and every two adjacent second spiral shafts are detachably connected. The first material baffle is provided with a first supporting frame used for supporting the first spiral shaft. The second material baffles are provided with second supporting frames used for supporting the second spiral shafts corresponding to the second material baffles. The spiral conveying mechanism can adapt to a paving road surface with the width changed multiple times, and the road surface paving efficiency is effectively improved.

The invention discloses a projector. The projector comprises a projector body, a base and connecting mechanisms, wherein the base is used for supporting the projector body, and the projector body is rotationally connected to the base to enable the projector body to swing up and down relative to the base. According to the projector, the base and the connecting mechanisms are arranged so that the projector body can swing up and down, so that simple rotation operation is carry out on the projector body to conveniently and flexibly adjust the arrangement position of the projector, and therefore the working effect of the projector is remarkably improved, and the user has better use experience.

The invention belongs to the technical field of automobile parts and particularly discloses a gear interlocking type automobile back door hinge, which comprises a first hinge, a second hinge, a thirdhinge, a first pin shaft and a second pin shaft; a regulating chamber is arranged on the second hinge, a first gear and a third gear are arranged on the first pin shaft, and a second gear is arrangedon the second pin shaft; a first one-way bearing and a third one-way bearing are arranged on the first pin shaft, a first friction wheel is arranged on the first one-way bearing, and a third frictionwheel is arranged on the third one-way bearing; a second one-way bearing and a fourth one-way bearing are arranged on the second pin shaft, a second friction wheel is arranged on the second one-way bearing, and a fourth friction wheel is arranged on the fourth one-way bearing; the adjusting chamber is internally provided with a fixing column, a locking gear, an upper adjusting column, a lower adjusting column and an adjusting rod; an upper friction wheel sleeves the outer wall of the upper adjusting column, and a lower friction wheel sleeves the outer wall of the lower adjusting column. The door hinge aims to solve the problem that a prior hinge can only open the back door by 180 degrees.

The invention relates to a small weed control operation device capable of swinging at any place. The small weed control operation device comprises an operation mechanism, wherein the operation mechanism comprises an enclosure and a cutter shaft; the outer wall of one side of the enclosure is provided with a power driving device in transmission connection with the cutter shaft; the enclosure is rotatably connected with a pushing locomotive through a rotary shaft mechanism; the enclosure is also hinged to one end of a spacing buffer device; and the other end of the spacing buffer device is hinged and connected with the pushing locomotive. Through design that the rotary shaft mechanism is used for connecting the operation mechanism and pushing locomotive and design that the power driving device is arranged on the enclosure, the operation mechanism and the pushing locomotive are rotatably connected, so that the small weed control operation device can swing according to the fluctuation of aforest so as to adapt to a laterally uneven ground operation, and a weed control effect of the operation mechanism is effectively improved, through the connection design of the spacing buffer device,the swinging of the operation mechanism is limited in a certain range, a safe operation is guaranteed, and operation safety when the operation mechanism is replaced is also guaranteed.