42results about How to "Avoid mopping" patented technology

The invention relates to a liquefied natural gas dispenser calibrating device and method used for calibrating the gas dispensing amount precision of a liquefied natural gas dispenser. The device comprises an insulating pipeline. The insulating pipe comprises a hose connecting transition pipeline, the insulating pipeline comprises a hard pipeline, or the insulating pipeline comprises a hard pipeline and a hose connecting transition pipeline connected with the hard pipeline. The liquefied natural gas dispenser calibrating device and method are reasonable in design, compact in structure and convenient to use.

The invention discloses an efficient spraying machine special for machinery-picked cotton. The efficient spraying machine comprises a vehicle body, walking wheels arranged below the vehicle body, a plant divider installed on the outer sides of the walking wheels and cameras arranged on the vehicle body and located ahead of the walking wheels. The efficient spraying machine is convenient to operate; the plant divider is simple in structure and convenient to operate; the positions of plant-divider protecting plates arranged in front of the wheels of the cotton spraying machine can be conveniently and rapidly adjusted vertically, machinery damage to cotton plants is reduced, repeated disassembling is avoided, material resources and manpower are saved, and plant dividing and spraying efficiency is improved; due to high-speed rotating air flow generated by high-pressure air and spraying head bodies, liquid pesticide can penetrate through plant canopies, and the liquid applying rate of leaves can be greatly increased; the overall height of high-pressure spraying air bellows can be adjusted through a lifting hydraulic cylinder, and atomized liquid pesticide can be simultaneously sprayed onto roots, stems and the plant canopies of the machinery-picked cotton; the positions of plant-canopy spraying heads at the upper portions of the high-pressure spraying air bellows can be adjusted, and proper installation positions can be selected along with growth of cotton plants.

The bidirectional locking mechanism comprises a first execution part, a stop seat, a support and a locking part, a second execution block is hinged between the middle of the locking part and a first execution block, and the locking part rotates along with the output end of the first execution part through the first execution block and the second execution block. The locking part is provided with an abutting position and a bearing position; the first execution part drives the locking part to abut against the stop seat, at the moment, the road axle is located below the abutting position so as to limit the road axle to continue to be recycled, and therefore the situation that railway wheels floor the ground and the road wheels fail during road driving is effectively avoided; when the highway-railway transport vehicle runs on the railway, the highway axle is limited by the bearing position, the highway wheels are effectively and stably prevented from falling, the driving safety is improved, and in the retraction process of the output end of the first execution part, the locking part is driven to be separated from the stop seat and separated from the moving path of the highway axle, so that the highway axle is switched in different states; and the operation convenience is improved.

The invention discloses a new energy vehicle quick charging pile with an electric leakage protection function. A moisture-proof bottom plate is included. A charging cabinet body is fixedly connected to an upper surface of the moisture-proof bottom plate, a storage battery containing cavity, a charging wire winding cavity and a motor cavity are arranged in the charging cabinet body, a storage battery is fixedly connected to an inner bottom wall of the storage battery containing cavity, and a charging wire winding roller is rotatably connected to the inner wall of the charging wire winding cavity through a ball bearing. According to the new energy vehicle quick charging pile with the electric leakage protection function, an n-shaped fixing frame and a rainproof plate are arranged; rainwatercan be prevented from entering the charging gun containing cavity; by arranging a sealing cover, rainwater can be prevented from entering a touch operation display screen; and by arranging a photovoltaic solar panel, a rain shielding plate and a rain shielding fence plate, the rainwater can be prevented from entering the charging cabinet body, and sunlight can be prevented from directly irradiating the charging cabinet body so that erosion of sunlight or rainwater to the charging cabinet body is reduced, and a normal service life of the charging cabinet body is guaranteed.

The invention relates to the technical field of drag parachute mechanisms, in particular to a high-reliability lightweight drag parachute connecting device. The high-reliability lightweight drag parachute connecting device comprises a short frame, a drag parachute joint and a fixed parachute jettison assembly, wherein the short frame is of a rectangular structure; the drag parachute joint is of an open-side triangular structure; the two ends of the drag parachute joint are fixedly installed at the two ends of the short frame correspondingly; a through hole is formed in the top of the drag parachute joint; the fixed parachute jettison assembly is fixedly installed in the through hole of the drag parachute joint; a main parachute connecting band is arranged at one end of a main bearing beam of an external machine body for fixed connection, a main parachute connecting pin penetrates through a through hole in the main parachute connecting band, and through vertical locking of a split cotter, fixed connection of the fixed parachute jettison assembly and the main bearing beam of the external machine body is achieved. The high-reliability lightweight drag parachute connecting device achieves direct transfer and instant separation of variable concentrated force and can ensure the effect that forcible separation can be achieved when the concentrated force is too high, and according to the requirements, the device is easy and convenient to use, reliable and low in weight.

The invention discloses a large-scale unmanned aerial vehicle take-off front wheel lifting test flight control law and a design method thereof. The design method comprises the steps: adding a preset skewness of a longitudinal control surface into a longitudinal instruction of a large-scale unmanned aerial vehicle, and controlling an elevator through the preset skewness to enable the large unmannedaerial vehicle to rise in a head-up direction; in the acceleration skating process of the large unmanned aerial vehicle, when the speed of the large unmanned aerial vehicle reaches the set speed, giving a front wheel lifting instruction, wherein the set speed is smaller than the front wheel lifting speed in a normal take-off state; and when the large unmanned aerial vehicle lifts the front wheelaccording to the front wheel lifting instruction, immediately giving an engine shutdown instruction and a reverse deflection instruction of the longitudinal control surface, wherein the engine shutdown instruction is used for decelerating and stopping the large unmanned aerial vehicle, and the reverse deflection instruction is used for controlling the elevator to make the large unmanned aerial vehicle to flight in the head-down direction and controlling the front wheel to be put down. The front wheel can be lifted by the large unmanned aerial vehicle at the speed lower than the front wheel lifting speed in the normal take-off state, and meanwhile, it is guaranteed that the large unmanned aerial vehicle cannot take off from the ground or rush out of a runway.

The invention relates to the field of automobile assembling, and discloses a protective device for a vehicle transmission shaft and suitable for a production line. The protective device comprises a protective beam and a protective ring. The two ends of the protective beam are provided with a first connection portion and a second connection portion which are used for being detachably connected with a vehicle frame of a vehicle. The protective ring is provided with an opening. One end of the opening of the protective ring is hinged to the protective beam. The other end of the opening of the protective ring is provided with a third connection portion for being detachably connected with the protective beam. The protective device is simple in structure and convenient to use. According to the protective device, the protective beam is arranged on the vehicle frame through the first connection portion and the second connection portion at the two ends of the protective beam, and the transmission shaft is fixed in the protective ring, limited effectively in the assembling process and prevented from generating large-range shaking; meanwhile, compared with a rope blinding mode in the prior art, the protective device has the advantages of preventing the transmission shaft from swinging along a longitudinal beam of the vehicle frame in the longitudinal direction.

The invention relates to a magnetic stripe winding rolling machine and belongs to technical field of magnetic stripe production equipment. The magnetic stripe winding rolling machine comprises a frame; a spindle is arranged on the frame, a roller is arranged on the spindle, and a stripe arranging device is arranged on one side of the spindle; the magnetic stripe winding rolling machine is capable of overcoming the disadvantages of stripe clamping, stripe mess, stripe breakage, continuous rearrangement, high danger, need for several people for operation, and the like, and has the characteristics of simple operation, high automation degree, high safety performance, effective reduction of labor intensity, and high working efficiency.

The invention discloses a wire winder for a refrigerator and the refrigerator the same. The wire winder comprises a wire winding box body, a wire winding box cover, a power line and a power line locking structure, wherein the wire winding box cover is arranged on the wire winding box body and is provided with a wire wrapping structure extending into the wire winding box body, and the wire wrapping structure can rotate relative to the wire winding box body along with the wire winding box cover; the power line is wound on the wire wrapping structure and a plug of the power line extends outwards from the interior of the wire winding box body; the power line locking structure is arranged on the wire winding box body and is used for locking the power line. According to the wire winder disclosed by the invention, since the power line is wound on the wire wrapping structure of the wire winder and is locked by using the power-line locking structure, on one hand, a user can wind the power line conveniently, on the other hand, the user can conveniently release the power line with corresponding length for use according to the practical need, and the phenomena that the power line is on the floor and the like are avoided, so that over-early damage and ageing of the power line are avoided and the service life of the power line is prolonged.

The invention discloses a hydraulic machine with high stability. The hydraulic machine with high stability comprises a top cover, a hydraulic device is installed at the top of the top cover, a piston is installed inside the hydraulic device, a stretchable rod is installed at one end of the piston, a pressing plate is installed at the top end of the stretchable rod, and an oil storage tank is installed on a clamping plate; a fixing rod is installed on one sides of the top cover and the base plate, a reeling shaft is installed on the fixing rod, and a liquid conveying pipe is installed on the reeling shaft; and a second sliding wheel is installed at the position, close to the reeling shaft, on the liquid conveying pipe, a first sliding wheel is installed at the end, close to the hydraulic device, on the liquid conveying pipe, and the first sliding wheel is connected with one side of the upper portion of the top cover through a support. According to the hydraulic machine, a fixing frame is installed between the top cover and the base plate, the two sides of the pressing plate are arranged on a frame rod of the fixing frame in a sleeving manner, and therefore in the lifting process of the pressing plate, the stability is greatly increased, swing of the pressing plate is reduced, and the flat pressing quality of workpieces is increased.

A transfer trolley for quilting quilts comprises two sets of quarter-circle-shaped side support plates, arc-shaped guide grooves concentric with the side support plates are formed in one sides of thearc edges of the side support plates, and a traction rod and a plurality of supporting rods are inserted between the side support plates. A plurality of clamps are fixedly connected to the traction rod, the two ends of the traction rod penetrate through the arc-shaped guide grooves of the side support plates to be inserted into driving rods, the ends of the driving rods are inserted into axles, the axles are inserted into the front ends and the rear ends of the lower portions of the side support plates, and the two ends of the axles extend out of the outer side walls of the side support platesto be fixedly sleeved with wheels; and a handle is arranged on the outer walls of the lower middle portions of the driving rods, a positioning stud is formed on the handle and connected to the driving rods in a screwed mode, and a positioning insertion hole opposite to the positioning stud is formed in the vertical side edges of the side support plates.

The invention discloses a low-power dissipation running gear and a control method based on an intelligent terminal. The low-power dissipation running gear comprises a pair of leg portions, a driving device, a braking device, and an upper body. Tilt angle sensors are arranged at the upper ends of hip joints, encoders are respectively arranged on inner sides of upper legs and lower legs, gyroscopes are respectively arranged on the left side and the right side of the hip joints and are fixed on a first revolving shaft connecting the leg portion and the hip joints, pressure sensors are respectively arranged on the bottom of two feet, the upper body comprises a support frame and an intelligent terminal, a driving circuit and a data acquisition device which are arranged on the supporting frame, the lower end of the supporting frame is connected with the hip joints through a second revolving shaft, the data acquisition device is respectively connected with the intelligent terminal, the driving circuit, the tilt angle sensors, four encoders, two gyroscopes and two pressure sensors, and the driving circuit is connected with the driving device and the braking device respectively. The low-power dissipation running gear and the control method based on the intelligent terminal have more reasonable human simulating shape, and are equipped with low energy consumption and natural steps of a driven walking device.

The invention relates to the technical field of new energy charging pile wire arrangement, in particular to a large-current wire arrangement connecting device which comprises a first connecting arm and a second connecting arm, and the first connecting arm and the second connecting arm are provided with a first hinge end and a second hinge end respectively. The first connecting arm and the second connecting arm are hinged to each other through the first hinge end and the second hinge end. The other end, opposite to the first hinged end, of the first connecting arm is provided with a rotary connecting part connected with the charging pile. The other end, opposite to the second hinged end, of the second connecting arm is provided with a charging connecting end connected with a large-flow wire. Wherein a synchronous winch is arranged on the first connecting arm, and a first control line and a second control line are wound on the synchronous winch. The heavy large-current wire is tidied, the situation that the large-current wire is dirty when dragged back and forth due to the fact that the large-current wire is mopped to the ground in the using process is avoided, and meanwhile abrasion of the large-current wire can be avoided when the large-current wire is dragged.