156results about How to "Achieve collapse" patented technology

The invention discloses a fiber pre-stretched rod type self-centering steel buckling-restrained brace, comprising I-shaped steel, two internal restrained rectangular pipes, external restrained rectangular pipes, two end plates, fiber tension rods and connecting components, wherein the connecting components are arranged at two sides of a web of the I-shaped steel; the external restrained rectangular pipes are sleeved outside the I-shaped steel and the two internal restrained rectangular pipes; two end plates are arranged at the two ends of the I-shaped steel; the fiber tension rods are connected with the two end plates; the connecting components are connected with the end plates; the internal wall at one side of the I-shaped steel is connected with one end of each internal restrained rectangular pipe and the external wall at the other side of the I-shaped steel is connected with one end of each external retrained rectangular pipe; small holes arranged in arrays are arranged on the web of the I-shaped steel; the end plates are provided with nicks which are matched with the cross sections of the I-shaped steel; the end plates are inserted in the end parts of an I-shaped steel energy-consumption unit and are in contact with the end parts of the internal restrained rectangular pipes and the external restrained rectangular pipes; the fiber tension rod is located in the internal restrained rectangular pipes, and the end plates at two ends are tightly pulled by applying pre-stressing forces; and the external sides of the two end plates are respectively connected with the connecting parts.

The invention discloses a pedestal pan with a handrail, and a handrail adjusting device. The pedestal pan comprises a pedestal pan base, wherein at least one handrail and at least one elevating control mechanism which controls the handrail to move up and down are arranged on the pedestal pan base; the elevating control mechanism comprises a first power unit and a first transmission unit; and the first transmission unit is connected with the handrail, and is used for driving the handrail to perform elevating actions under the driving action of the first power unit. The handrail adjusting device comprises the elevating control mechanism. Due to the adoption of the structure, the height of the handrail can be adjusted for different people to meet the use requirements of various people; and on the other hand, an electric control adjusting way is adopted, so that the handrail can be adjusted very conveniently without any auxiliary tool.

The invention discloses a lotus leaf harvesting device and a control method thereof. The lotus leaf harvesting device comprises a first cutting mechanism, a conveying mechanism and a lotus leaf collecting mechanism, wherein the first cutting mechanism is used for separating lotus leaves from lotus petioles, and the conveying mechanism is used for conveying lotus leaves with lotus petioles to the first cutting mechanism through a clamping mechanism; the conveying mechanism is arranged on one side of the first cutting mechanism, and the lotus leaf collecting mechanism is arranged on the other side of the first cutting mechanism. The lotus leaf harvesting device has the beneficial effects that the automatic harvesting and petiole removal of the lotus leaves are integrally realized, so that the working efficiency is improved, and the manual labor cost is lowered; by virtue of the connection of a lifting mechanism and a framework, the height control of the first cutting mechanism is realized, and the whole device can adapt to height differences of most lotus leaves and is wide in application range; the whole device is remotely controlled, and multiple machines can be controlled to simultaneously work by one operator, so that the remote operation is realized, and safety loopholes are greatly reduced.

The invention relates to the field of public facilities, in particular to an improvement on a street lamp with an umbrella, and provides a street lamp with an automatic umbrella, which is ingenious in structure, high in stability and high in safety, is not required to be controlled manually during use, and can open and close the umbrella automatically. A triggering assembly is arranged above the umbrella, is accommodated in a lamp post and comprises a fixed seat, a spring, a triggering ball head, a balance weight block and sponge; the fixed seat is fixedly connected with the interior of the lamp post and is positioned below a plurality of through holes; the balance weight block is in sliding connection with the interior of the lamp post and is positioned above the fixed seat; the triggering ball head is movably connected to the inner wall of the lamp post and is positioned between the fixed seat and the balance weight block; the sponge is supported on the top surface of the balance weight block, and an electrothermal wire fixedly connected to the balance weight block is further arranged between the balance weight block and the sponge. No manual operation is needed; the street lamp with the automatic umbrella has the characteristics of high automation degree, high response rate and high safety.

The invention discloses an air outlet with adjustable rotation angle, which comprises a machine body (60), a plate (50), a metal block (12), and two stand The rod (1), and the suspension beam (2) assembled on the upper part of the two vertical rods (1), and the air outlet assembly plate (3) that forms a operative connection with the suspension beam (2), and is assembled on the front end The inner side of the vertical pole (1) and the toothed half wheel (4) fixedly connected to the front end of the air outlet assembly plate (3), and the winding motor (5) assembled in the center of the outer side of the front pole (1), And the central toothed wheel (6) assembled on the transmission shaft of the winding motor (5); the overall structure of the present invention is reasonable in design, strong in operability, safe and reliable, good in energy saving, low in production cost, and high in precision. Suitable for promotional use.

The invention discloses an undercarriage control actuating cylinder hydraulic control valve. The undercarriage control actuating cylinder hydraulic control valve comprises a valve body, a first pipe nozzle, a fourth pipe nozzle, a second pipe nozzle and a third pipe nozzle are formed in the valve body, the first pipe nozzle and the fourth pipe nozzle communicate with an actuating cylinder rodless cavity and an actuating cylinder rod cavity, the second pipe nozzle and the third pipe nozzle communicate with a hydraulic system, a buffer piston and a floating piston are arranged in a left cavity in a spaced manner, a thermal safety valve is arranged between the buffer piston and the floating piston, a second oil path is arranged on the buffer piston, a cavity between the buffer piston and the floating piston and the second oil path communicate and are throttled through the thermal safety valve, and an oil compensation channel communicating with the second pipe nozzle is arranged in the valve body; a liquid control valve and a seal base are arranged in a right cavity in a spaced manner. The hydraulic control valve enables hydraulic lock, oil differential compensation, oil path pulsation, and thermal safety protection functions to be integrated in one component, opening and closing of a hydraulic lock, conversion of the oil compensation function and opening of the oil path pulsation, and thermal safety protection can be automatically coordinated, and finally, through control over the actuating cylinder, undercarriage bearing, rapid putting down, oil path pulsation, and heat safety protection functions are achieved.

The invention relates to the technical field of vehicle-mounted display devices, in particular to a vehicle-mounted screen rotating structure. The vehicle-mounted screen rotating structure comprises a screen, a base, a driving motor, a rotating shaft and a transmission shaft; the driving motor and the rotating shaft are arranged on the base; the transmission shaft drives the rotating shaft to rotate through the driving motor; L-shaped clamping grooves are formed in the outer side face of the rotating shaft; a screen pressing block is arranged in the rotating shaft; an energy storage part is arranged on the screen pressing block; a flange plate is arranged on the back face of the screen; an outer shaft sleeve and an inner shaft sleeve are arranged on the flange plate; the outer shaft sleeve is used for being installed outside the rotating shaft, the inner shaft sleeve is used for being installed inside the rotating shaft, and clamping blocks matched with the L-shaped clamping grooves in the rotating shaft are arranged on the inner wall of the outer shaft sleeve. By means of the technical scheme, screw-free connection between the screen and a rotating mechanism can be achieved, disassembling and assembling are convenient, the service life is long, and machining is convenient; meanwhile, screen rotating self-locking and collapsing can be achieved, the structure is simple, and use is convenient.

The invention provides an indoor chandelier applicable to multi scenes. The chandelier comprises an installation plate, a suspension rod, a first light source assembly, a rotating assembly and a second light source assembly. One end of the suspension rod is connected with the installation plate, and the other end of the suspension rod is connected with the first light source assembly. The first light source assembly comprises a first lamp housing, a first diffuser and a first LED lighting component. The rotating assembly is arranged on the top of the outer side of the first lamp housing. The rotating assembly comprises a frame, a main rotating component and more than two driven rotating components. The frame adopts a ring-shaped design, and the main rotating component and the driven rotating components are lined up together to form a polygon. The main rotating component and the driven rotating components are respectively connected with more than one second light source assembly; by arranging the rotating components, the independent lighting of the first light source assembly is achieved, and the multi light sources lighting of the first light source assembly and second light sourceassembly is achieved. Automatically switching lighting styles between simplicity and multi light sources is achieved, and the using demands of multi scenes are met.

The invention discloses a polishing device for bridge-cutoff aluminum alloy door and window machining. The polishing device comprises a base and a moving assembly. Supporting rods are uniformly arranged on the surface of the base, a top plate is arranged at the top ends of the supporting rods, a translation assembly is arranged on the surface of the base, a lifting assembly and a limiting assembly are arranged on the translation assembly, a clamping assembly is arranged on the lifting assembly, and a rotating assembly is arranged on the limiting assembly; the moving assembly comprises a top groove, a sliding seat, a toothed plate, supporting plates, a worm and a first motor, the top groove is formed in the middle of the top plate, the sliding seat is slidably connected into the top groove, the toothed plate is arranged on the surface of the sliding seat, and the supporting plates are symmetrically arranged on the two sides of the surface of the top plate. And automatic turning over of doors and windows can be achieved, continuous grinding of the two sides can be achieved, the working efficiency is improved, the labor intensity is reduced, and practicability is high.

The invention discloses a scraper combined mechanism for a centrifugal machine. The scraper combined mechanism comprises a centrifugation cavity and a motor, the centrifugation cavity is provided with a rotating shaft, a scraper fixing disc is arranged at the lower end of the rotating shaft, and the bottom end of the rotating shaft is fixedly connected with a rotating shaft of the motor; scrapers are movably connected to the two sides of the upper end of the scraper fixing disc, the middle portions of the scrapers are movably connected with the lower ends of connecting rods, the upper ends of the connecting rods are movably connected with sleeves, and the sleeves are movably connected to the rotating shafts in a sleeving manner, and springs are wound around the rotating shafts; and a second bearing block is connected to the top end of each sleeve in a sleeving manner, and two push rods are fixedly connected to the two sides of the upper end of each second bearing block. By means of the structure, the rotating shafts are driven by the motor to rotate, and therefore the scraper fixing disc rotates to drive the scrapers to scrape materials; the controller is used for controlling a hydraulic push rods to drive the push rods to move vertically, and therefore the sleeves are driven to move vertically on the rotating shafts; and through the connecting rod structures, the scrapers are folded and unfolded, and therefore the distance between the scrapers and the material layer can be adjusted, and scraping of the different materials is achieved.

The invention relates to a wheel chair comprising two rear supports, two front supports, X-type branch pipe sets, connecting rods, ox horn pipes, grab bars, foot rest pipes and a foot rest. Each X-type branch pipe set is hinged between every two adjacent supports. One end of each rear support is hinged to the connecting rod. The other end of each connecting rod is slidably sleeved with the ox horn rod. Two ends of each grab bar are hinged to the rear supports and detachably arranged on the front supports, respectively. Two ends of each foot rest pipe are hinged with the foot rest and the front support respectively. Alarm lights are arranged on the rear supports and controlled by switches on the grab bars. By applying force, the rear supports and the front supports are closed, and the foot rest and the foot rest pipes are folded, thus the wheel chair is simply and conveniently folded to occupy little space. The alarm lights are controlled to be on or off through the switches on the grab bars to timely ask for help in the case of emergency.

The invention discloses green belt plant pruning equipment. The green belt plant pruning equipment structurally comprises a central cross beam. Walking devices used for driving the equipment to walk are arranged at the two ends of the central cross beam. Walking devices comprise supporting brackets symmetrically and fixedly arranged at the two ends of the central cross beam. A plurality of symmetrical wheel carriers are fixedly arranged at the two ends of supporting brackets. Wheels are rotatably arranged at the lower ends of the wheel carriers. A height adjusting assembly used for adjusting the height of the device is arranged on the center cross beam. A linkage pruning assembly used for pruning plants is arranged below the center cross beam. According to the green belt plant pruning equipment, pruning of plant rotating geometric modeling can be achieved, pruning modeling can be changed by a linkage device, pruning of the top layer of a plant can be achieved through the linkage device, and the blades can be folded to prevent people from being hurt after the equipment stops working through the linkage device.

The invention relates to the technical field of protective devices, and discloses a VR fitness sports helmet with good ventilation function, the VR fitness sports helmet comprises a protective helmet,the top of the protective helmet is fixedly connected with a support rod, and the top end of the support rod is fixedly connected with a protective plate. The sports helmet with the good ventilationfunction for VR fitness has the advantages that the ventilation function is good; by installing the protection plate, air hole can be covered, rainwater is prevented from entering the protective helmet from the air holes; a good rainproof effect can be achieved; by arranging a filter screen, mosquitoes can be prevented from entering the protective helmet from the air holes; the effect of protecting the head is achieved; by arranging a buffering inner layer, the protective helmet can be prevented from making direct contact with hair, ventilation and air permeability are better, meanwhile, external force can be buffered, damage caused by the external force to the head is reduced, when the face needs to be protected by goggles, rainwater is prevented from entering the sports helmet, the headis protected, and the head of an athlete is prevented from being wetted by the rainwater.

The invention discloses a hidden type displayer hanging device. The hidden type displayer hanging device comprises a groove, a fixed rod is fixedly mounted on the inner wall of the groove, a sliding rail frame is arranged behind the right portion of the fixed rod, the bottom end of the fixed rod is connected with a rotation rod through a rotating shaft, a fixed block is fixedly connected to the outer side of the rotation rod, a small rack is arranged in the sliding rail frame, the outer side of the sliding rail frame is sleeved with a sliding block, the side wall of the sliding block is fixedly connected with a self-locking motor, an output shaft of the self-locking motor is fixedly connected with a gear, a first spherical connecting groove is formed in the outer wall of the sliding block,and a spherical head connection rod is rotatably connected to the first spherical connecting groove. The self-locking motor is used for controlling the sliding block to move on the sliding rail frame, under driving of the spherical head connection rod, the rotation rod rotates around the rotating shaft, descending and winding up of the displayer hanging device can be achieved, in the use process,the inclination angle and the horizontal position of a displayer can be adjusted, when the device is not used, the device can be put into the groove, exterior space is not occupied, dust is preventedfrom falling in the displayer, and displayer damage caused by exterior contact can be avoided.

The invention discloses an overpass bridge design construction method applicable to incremental launching method construction and belongs to the technical field of variable cross-section girder body design construction. Main construction operation can be away from a spanned space, it is guaranteed that an existing railway, highway or city road is not interfered by construction, and underbridge safety is ensured, and the overpass bridge design construction method is an alternative scheme when rotation construction is not suitable. The design construction method comprises the steps that temporary tubular pile foundation treatment is conducted, and sliding plate foundations, sliding layers and incremental launching back girders jointed with bridge pier foundations enable a jointed foundation composed of foundation connection girders, bridge bearing table foundations and bridge girders to drive a variable cross-section girder body to conduct simultaneous incremental launching to further achieve being folded with an overline on the other side. The method is suitable for an overpass bridge which spans the railway, the highway or the city road and located in a narrow site with dense city buildings and without rotation construction conditions.

The invention discloses an electric curtain capable of purifying indoor air. The electric curtain comprises a shell. A case is fixedly arranged on one side of the shell. Two first bearings are fixedlyarranged in the shell. A cloth winding shaft is arranged between the first bearings in a penetrating manner. Curtain cloth is wound on the cloth winding shaft. A cloth outlet hole is formed in the lower portion of the shell. The end, away from the cloth winding shaft, of the curtain cloth penetrates through the cloth outlet hole. A balancing weight is fixedly arranged at the end, located outsidethe shell, of the curtain cloth. A first chain wheel is fixedly arranged at one end of the cloth winding shaft. A motor is fixedly arranged in the case. A second chain wheel is arranged at the outputend of the motor. A through hole is arranged between the shell and the case. The first chain wheel and the second chain wheel are connected through a chain. The indoor air can be exchanged with outside air, and therefore the electric curtain can be suitable for indoor air exchange under the condition that a window is inconvenient to open; and meanwhile, the curtain can be automatically opened andclosed, and manpower can be saved.

The invention discloses screw anti-falling equipment for an airplane narrow part. The screw anti-falling screw anti-falling equipment comprises a screwdriver, a four-foot gripper, a lifting handle anda telescopic sleeve, wherein the screwdriver comprises a knife handle, a knife rod and a cutter bar, the four-foot gripper is of a circular-tube-shaped structure, one end of the four-foot gripper penetrates through the telescopic sleeve and then is embedded into the lifting handle together with telescopic sleeve, four elastic pieces which are integrated with the four-foot gripper and are buckledin the end part are arranged at the other end of the four-foot gripper, the knife rod penetrates through the four-foot gripper, the lifting handle and the telescopic sleeve through a through hole formed in the lifting handle, and the knife rod, the four-foot gripper, the lifting handle and the telescopic sleeve are located on the same axis. According to the screw anti-falling screw anti-falling equipment, screws can be effectively and quickly disassembled through the cooperation of the screwdriver and the four-foot gripper and the auxiliary parts, so that the screws can be prevented from accidentally falling when screwed out or screwed in.

The invention discloses a drought control device for fruit tree planting, comprising a water storage tank fixedly provided with a water inlet; a V-shaped trough is fixed to the water inlet and is composed of symmetrically arranged sidewalls; a rain collection hood is hinged to each sidewall; a steel rope is fixedly connected to the tail end of each rain collection hood; the steel ropes are connected with a pulley; the pulley is fixed to the top of support rods; the support rods are fixed to a fixing rod; the support rods include two groups symmetrically arranged along the extension direction of the water storage tank; at least three support beams are fixedly welded between the two groups of support rods; rain collection cloth is fixed between the support beams and the rain collection hoods; support posts and a residue outlet are fixed to the bottom of the water storage tank; the symmetric sidewalls of the water storage tank are provided with a plurality of water delivery pipes; each water delivery pipe is provided with a plurality of insert pipes; an isolating hood is arranged between the water delivery pipes. The drought control device for fruit tree planting provides rain collection, storage and irrigation, fruit tree irrigating frequency is decreased, irrigating efficiency is improved, manual interventions are not required, and labor intensity is relieved.

The invention discloses an unmanned-aerial-vehicle aerial photography device for monitoring a forest fire in real time. The device structurally comprises heat dissipating devices, a camera, a shell, four lighting lamps and a fan blade accommodating device, wherein connecting arms for mounting fan blades are separately arranged at four directions of the shell, the heat dissipating devices are mounted on the connecting arms and are fixedly connected with the connecting arms, the fan blade accommodating device is arranged on the internal wall of the shell and is mechanically connected with the shell, the four lighting lamps are separately mounted at four azimuth angles of the shell, and the camera is fixedly mounted in the center of the front end of the shell and is embedded into the shell. According to the unmanned-aerial-vehicle aerial photography device, the fan blades of an unmanned aerial vehicle can be retracted through the matching between bulges and grooves, and the condition thatthe fan blades are prone to damage and even fracture during the accommodating of the aerial photography device is avoided.

The invention discloses a level gauge for deformation detection of a high-rise building. The level gauge comprises a round seat, a support frame assembly and a fine adjustment assembly, wherein an instrument head is arranged on the surface of the round seat; detection assemblies are uniformly arranged on the surface of the round seat; a sliding assembly is arranged on the bottom surface of the round seat; a moving assembly is arranged on the sliding assembly; the support assembly comprises side grooves, pin shafts and adjusting grooves; the side grooves are uniformly formed in the circumferential side surface of the round base; the pin shafts are rotationally connected into the side grooves; one end of each adjusting groove is fixedly connected to the circumferential side surface of the corresponding pin shaft; the fine adjustment assembly comprises a bottom groove, a limiting shaft, a sleeve ring, a threaded cylinder, a threaded rod and a connecting base; the bottom groove is formed in the adjusting groove; and the limiting shaft is arranged at the top of the inner side of the bottom groove. The leveling instrument for deformation detection of the high-rise building can be used for precisely adjusting the support frame on an uneven pavement so as to enable the support frame to be in a relatively horizontal state; and at the same time, the level gauge can conveniently move, and the practicability is high.

The invention discloses a logistics manipulator device. The logistics manipulator device comprises a fixed plate, a telescopic cylinder and a mounting plate; the telescopic cylinder comprises a vertical cylinder, an inserting rod, a guide base, a motor base, first servo motors and an annular fixed block; the left side outer wall and the right side outer wall of the annular fixed block are each fixedly provided with a connecting lug, output shafts of the first servo motors are connected with vertical screws through first couplers, the vertical screws penetrate the corresponding connecting lugsand are in sliding fit connection with the corresponding connecting lugs through threads, a fixed gripper is fixed to the bottom of the mounting plate, a left end plate and a right end plate are symmetrically and fixedly arranged at the position, located on the right side of the fixed gripper, of the bottom of the mounting plate, a guide transverse rod is fixedly arranged between the left end plate and the right end plate, and is sleeved with a sliding base in a sliding manner, the bottom of the sliding base is connected with a movable gripper through a connecting plate, a seat plate is fixedly arranged at the position, on the right side of the right end plate, of the bottom of the mounting plate, and an automatic pushing device is fixedly arranged between the seat plate and the connectingplate. The beneficial effect of being adjustable in length is achieved.

The invention belongs to the technical field of an electrical equipment tool and provides a multifunctional full-view-angle liquid crystal television wall with a bookshelf. A liquid crystal television shelf not only can rotate for 360 degrees in a horizontal direction, but also can realize an elevation function of a liquid crystal television; the liquid crystal television shelf also has a self-locking function, can be stopped at any position to reach a best watching effect, and is not influenced by an external force or gravity to change a watching view angle; limiting switches are additionally arranged at upper and lower limiting positions of a hoisting route so as to prevent the television from colliding the television wall, improve the safety and prevent error operation of children; two rooms can use one television by using the television wall so that the space utilization rate is improved and the decoration cost is saved; soundproof cotton is used at the inner part of the television wall and rubber cushions are arranged at contact parts between the bookshelf and a cabinet, so as to have a certain soundproof effect; and the upper and lower faces, and the side faces of the television wall are respectively connected with a ceiling, a floor and construction walls by expansion bolts, so that the safe stability of the television wall is guaranteed.

The invention discloses a novel bed computer desk and belongs to the field of daily life. The invention provides the novel bed computer desk aiming at the problem that the conventional computer desk is inconvenient to fold and unfold. The novel bed computer desk is characterized by comprising supporting columns, two telescopic rods, a desktop and a storage bag, wherein the supporting columns are two cylinders which are arranged in parallel and fixed by a transverse support; spiral bayonets are formed at the bottoms of the supporting columns; rotating shafts are arranged on the outer sides of the supporting columns; hinges are arranged near the upper ends of the supporting columns; one end of each telescopic rod is connected with the rotating shaft of each supporting column and the other end of each telescopic rod is connected with the rotating shaft on the side of the desktop; two rotating shafts on the sides of the desktop are connected with the two telescopic rods respectively; the desktop is connected with the hinges at the upper ends of the supporting columns; and the storage bag is arranged on the bottom surface of the desktop. The invention has the advantages that: the computer desk can be used and folded by stretching and contracting the telescopic rods and is convenient. The novel bed computer desk also has the characteristic of small occupied space when folded.

The invention provides a flower stand, and belongs to the technical field of household appliances. The flower stand solves the technical problems that an existing flower stand is troublesome to unfold and fold, and time is wasted. The flower stand comprises at least one supporting frame. A flower stand plate is arranged at the upper portion of each supporting frame. Each supporting frame comprises two cross supports arranged on the two sides of the flower stand plate respectively. Each cross support comprises a first cross rod and a second cross rod, wherein the middle of the first cross rod and the middle of the second cross rod are hinged, and the lower surface of the upper end of the first cross rod is a positioning face. A hinge rod and a positioning rod are fixedly connected to the two opposite side edges of each flower stand plate respectively, the two ends of each hinge rod are hinged to the two corresponding second cross rods respectively, and the two ends of each positioning rod abut against the positioning faces of the two corresponding first cross rods respectively. Each supporting frame further comprises supporting rods fixedly arranged between the two corresponding cross supports, and the flower stand plates abut against the corresponding supporting rods. The flower stand has the advantage of being convenient and quick to unfold and fold.