38results about How to "Work compact" patented technology

The invention discloses a lever ratchet wheel linkage bicycle, comprising a bicycle frame, a front bicycle wheel, a rear bicycle wheel, a rear wheel shaft and a bicycle wheel drive device, wherein, the bicycle wheel drive device comprises a left lever and right lever up-to-down conversion device and a left ratchet wheel and right ratchet wheel drive device, wherein, the left lever and right left up-to-down conversion device comprises a lever, a lever connector, a frame connector, a sun wheel, a planet wheel, a gear ring and a central shaft; and the left ratchet wheel and right ratchet wheel drive device is a friction-type ratchet wheel mechanism comprising a roller, a slope-type one-way clutch, a ratchet wheel hub and a ratchet wheel connector. In the invention, the drive, speed change and the acting force are wholly centralized on the rear wheel shaft to lead the length of the lever to be 3-5 times of a crank mechanism; the lever can be retracted; a seat cushion can be moved front and back; the pedal rotating angle of both feet is changed to form the action of stepless speed regulation; and the speed is changed by a star wheel structure, so as to lead the transmission to be compact and the operation to be reliable. The invention provides a bicycle which is brand new, has simple structure, high transmission rate, long service life, low failure rate, convenient maintenance and comfort and stable riding.

The invention discloses a drilling, expanding and cleaning integrated reverse-circulation rotating squeezed branch pile machine, comprising an outer pipe and an inner pipe, wherein the inner pipe is arranged in the outer pipe, and the inner pipe is connected with the outer pipe to form a telescopic pole; an outer pipe guide bar is arranged on the inner wall of the outer pipe, the outer wall of the inner pipe is provided with a vertical guide groove, a vertical guide block is arranged in the guide groove, the part between one end of the guide groove, close to the outer pipe, and the guide block is a rotating groove, the guide groove is arranged at one side of the guide block, and a part of the guide groove, capable of matching the guide bar of the outer pipe, is a vertical moving groove, the outer pipe guide bar is matched with the vertical moving groove and can vertically move in the vertical moving groove; the vertical moving groove is communicated with the rotating groove, the outer end of the inner pipe or the outer pipe is connected with a drill bit through a ratchet wheel mechanism, a mud-suction port is arranged on the drill bit; the outer pipe is articulated with one end of a first arm by a first connecting part, the other end of the first arm is articulated with one end of a second arm, and the other end of the second arm is articulated with the inner pipe by a second connecting part.

The invention provides an inner-outer tooth friction plate type hydraulic clutch relating to the technical field of clutches. The inner-outer tooth friction plate type hydraulic clutch comprises a shell, a power input component, a power output component, a pushing and pressing component and a resetting part, wherein the shell comprises a cylinder body which is provided with radiating holes, an oilfeeding hole for feeding hydraulic oil and a containing cavity for containing parts; the power input component comprises an input shaft and first friction plates which are meshed with the input shaft; the power output component comprises an output shaft and second friction plates which are meshed with the output shaft; the first friction plates and the second friction plates are arranged at intervals, have a gap, and are close to the radiating holes; the pushing and pressing component is positioned in the containing cavity and can push the first friction plates and the second friction platesto be attached; and the resetting part is arranged between the input shaft and the pushing and pressing component. The inner-outer tooth friction plate type hydraulic clutch provided by the inventionis reliable in working performance, is very practical and is suitable for promotion and application.

The invention relates to a seedling culture bed, in particular to a pressure-driven lift seedling culture bed, belonging to the technical field of seedling culture.Traditionally, an overhead seedling culture bed is employed for seedling culture, which is not conducive to root generation of the seedlings at the early stage but also consumes a lot of water; the seedlings can also be cultured on a ground seedling culture bed; although the practice is conducive to root generation of the seedlings and water conservation, the problems such as mutual interspersing of root systems, root segment mildew and the like are easily caused. Multiple lifters of the seedling culture bed are arranged at the same underground horizontal plane, piston connecting rods of the lifers serve as support columns of a seedling culture bed frame and are connected with connecting cylinders of the seedling culture bed frame to form the pressure-driven lift seedling culture bed. Water or gas is used as the transmission stress of the lifters; in particular, water from a nursery garden water supply system is used as the transmission stress to lift the seedling culture bed, thus simplifying the fabrication process of the pressure-driven lift seedling culture bed. by using the seedling culture bed in the invention, the problem that the existing seedling culture bed is confined in application in the process of culturing seedlings is solved, thus being applicable to different seedlings and enabling seedling culture at different seedling culture time periods.

The invention discloses an automatic cutter changing device for a spacer cutter, and belongs to the technical field of transformer manufacturing. The device comprises a cutter magazine, a cutter moving portal frame mechanical arm and a cutter feeding device, wherein the cutter magazine is connected with the cutter feeding device through a cutter moving portal frame mechanical arm, a first materialreceiving device is connected with a second material receiving device in a insertable mode, the second material receiving device is connected with a third material receiving device in an insertable mode, a fourth material receiving device is located on the side surface of the third material receiving device, and the fourth material receiving device is connected with the third material receiving device in the radial direction in an insertable mode. In a moving process, the precision is high; and a multiple pieces of the cutters or spacers can be taken at a time through a cutter taking device,the next blade can be picked up when a transition cutter shaft rotates into a rotary device, the working beat is compact, and the efficiency is high. The automation degree of the equipment is improved, and the automatic upgrading cost input is reduced.

The invention discloses a high efficiency broadband dual polarization cavity array antenna. A rectangular open waveguide antenna is used as an array unit form, feed is performed through a strip wire,dual polarization feed is realized by a laminated structure of a multilayer PCB substrate, moreover, the strip wire is utilized to form a power divider feed network to expand a cell structure to a 16*4 antenna array, weighted processing based on the Chebyshev principle is performed on the power divide feed network to suppress the antenna sidelobe level, the antenna array is fed by an SMA connectorto improve portability of the antenna, and conversion from the strip wire to a coaxial wire is designed at a tail end of the feed network. The antenna is advantaged in that needs of a microwave system for polarization diversity are met, and electromagnetic performance superior to conventional antennas can still be obtained under limited physical conditions.

The invention discloses an intelligent variable fertilizer application device based on internet of things. The intelligent variable fertilizer application device comprises a base, wherein the base anda traveling mechanism are mounted in a matching manner; a stirring cylinder is arranged on the upper side of the base; the base is fixedly connected with the stirring cylinder through a first support; the same wrench dragon part penetrates through two first through holes; wrench dragon blades of the wrench dragon part are positioned in the stirring cylinder; a first rotating shaft is arranged onthe left side of the base; two shaft sleeves are fixedly connected with the base through a second support; and rotary drums are fixedly mounted on the outer ring of the first rotating shaft. Accordingto the intelligent variable fertilizer application device based on internet of things disclosed by the invention, various granule fertilizer can be fully mixed in the stirring cylinder and are dropped from material leakage holes; and meanwhile, through continuous superposition and staggering of first material leakage holes and second material leakage holes, the quantity for dropping of the granule fertilizer is controlled; and through rotation of the second rotating shaft, soil blocks and weeds are smashed through smashing blades, so that planting and growth of crops are facilitated when an earth ridge is covered at the same time; and through series-connection matching application of multiple groups of the intelligent variable fertilizer application devices, an effect for improving the fertilizer application efficiency is improved.

The invention relates to processing equipment for color mixing of rotor spinning before color spinning and a process thereof. The equipment comprises a bearing box, a cotton grabbing assembly arrangedabove the bearing box and rotating around the bearing box and a color mixing device arranged on one side of the bearing box, and the cotton grabbing assembly communicates with the color mixing device; and a compensation assembly and an evacuation assembly are further included. The process comprises a cotton feeding procedure, a cotton grabbing procedure, a cotton supplementing procedure, a scattering procedure, a lifting procedure and a color mixing procedure. By the arrangement of the compensation assembly, cotton raw materials thrown out when the cotton grabbing assembly sucks the raw materials are collected and compensated to an area, close to the side of the supporting column, of the raw material area in a centralized manner, and meanwhile automation of the cotton feeding procedure, the cotton grabbing procedure, the cotton supplementing procedure, the scattering procedure, the lifting procedure and the color mixing procedure of color mixing of rotor spinning before color spinningis effectively achieved; and the sucking and mixing efficiency of the color mixing raw materials is greatly improved, and mixing is more uniform.

The invention discloses a partition module for a flexible packaging system. The partition module comprises a partition storage mechanism (1), a partition suction mechanism (2), a partition forming mechanism (3) and a partition grabbing robot (4), wherein the partition grabbing robot (4) is located above a packaging box conveying line (5), the partition storage mechanism (1) which corresponds to the partition grabbing robot (4) is arranged beside the packaging box conveying line (5), the partition forming mechanism (3) is located between the discharge side of the partition storage mechanism (1)and the packaging box conveying line (5), the driving side of the partition suction mechanism (2) is fixedly arranged at the bottom of the discharge side of the partition storage mechanism (1), and the suction side of the partition suction mechanism (2) can fall on a slotted bottom plate (301) of the partition forming mechanism (3). The partition module has the advantages of compact engagement, stability and rapidity of a working process and is suitable for popularization and use, and the automatic intelligent operation of supplying, sucking and forming partitions and putting into boxes can be quickly realized.

The present invention relates to a compacting roller (1) comprising a roller drum arrangement (3) comprising a first roller drum (9) and a second roller drum (11) arranged next to each other, a drive arrangement (13) comprising a first drive unit (15) arranged to rotate said first roller drum (9) and a second drive unit arranged to rotate said second roller drum (11), and a power supply (39). The compacting roller by further comprises a frame (5) which is connected to said roller drum arrangement (3), wherein said power supply (39) is attached to said frame (5) outside each of the first roller drum (9) and the second roller drum (11), and an electronic balancing system (43) for maintaining the compacting roller (1) in an upright position during operation.

The invention relates to an intelligent heatable power-assisting toilet bowl. The problems that an existing toilet lacks an effective arising-assisting structure, is poor in fall-proof performance andlow in use comfort and cannot meet the needs of special users are solved. The toilet bowl comprises a toilet bowl base and a closestool; the toilet bowl is characterized in that a lifting seat cushion is arranged on the upper portion of the closestool, the front end of the lifting seat cushion is hinged to the front side of the closestool, and the two sides of the rear portion of the lifting seatcushion are hinged to a telescopic hydraulic cylinder and the toilet bowl base respectively; a backrest provided with a back cushion is arranged on the rear portion of the closestool, and a water inlet connector is arranged on the rear side of the backrest; side handrails are arranged on the front portions of side baffles arranged on the two sides of the closestool respectively, and a control panel is arranged on the inner sides of the side handrails; the main controller is electrically connected with a hydraulic pump and a flushing solenoid valve separately. Design is reasonable, the structure is compact, the arising-assisting function is achieved, and the phenomenon that a toilet user falls down can be effectively prevented; the seat cushion can be subjected to constant temperature heating quickly, the action is stable, and use is safe and reliable.

The invention provides a full-automatic cleaning and filtering system. The full-automatic cleaning and filtering system comprises a plurality of filters connected in parallel, an inlet pipeline, an outlet pipeline and a back flushing pipeline, a deslagging pipeline, wherein the inlet pipeline, the outlet pipeline and the back flushing pipelineare connected with the filters, and the deslagging pipeline is arranged below the filters; the filters are communicated with the deslagging pipeline through deslagging valves at the bottoms of the filters; a flushing valve is arranged at one end of the deslagging pipeline; an inlet valve is arranged on the inlet pipeline; an outlet valve is arranged on the outlet pipeline; and a back flushing valve is arranged on the back flushing pipeline. The filtering system is provided with a unique quick uncovering structure, so that filtering elements are convenient to replace; the filtering system integrates the valves, instruments and electric control units, is compact in overall structure, small in occupied area and suitable for being used on a ship; the filtering system can realize full-automatic operation and continuous operation without manual operation and maintenance; and stable work of the system can be ensured just with the filtering elements regularly replaced, so that the maintenance cost of the system is greatly reduced.

The invention discloses a heat tube type hot dry rock efficient heat exchange device, belongs to the technical field of hot dry rock heat exchange, and solves the technical problem that a hot dry rockheat exchange system is low in heat exchange efficiency. The scheme is as follows: a transfusion heat conducting tube comprises a widemouthed section and a narrowmouthed section, the top and bottom of the transfusion heat conducting tube are arranged as open ends, an end enclosure is arranged on the lower end surface of the widemouthed section, a water collecting and dividing end enclosure is arranged on the top end of the narrowmouthed section, a water supply pipe and a water return pipe are arranged on the water collecting and dividing end enclosure, the water supply pipe communicates to acavity of the transfusion heat conducting tube, a heat-isolating tube is arranged at the heart of the transfusion heat conducting tube, the lower portion of the widemouthed section communicates to thelower portion of the heat-isolating tube, a spiral runner is arranged between the inner wall of the widemouthed section and the outer wall of the heat-isolating tube, and the volume of the cavity ofthe transfusion heat conducting tube is 2-4 times of that of the heat-isolating tube. Spiral fins and the spiral runner increase the heat exchange area, an insulating layer and the heat-isolating tubereduce heat diffusion, and the heat exchange efficiency of the hot dry rock heat exchange system is improved.

The invention relates to a vacuum rake dryer. By means of the structure of the dryer, drying process treatment is achieved, the problem that production is discontinuous is solved, work is compact, andefficiency is high; the problems that caking happen, the outer portions are burnt, and the inner portions are wet are solved, and the quality of dried products is good and stable; the vacuum degree is constant, and moisture absorption and damping are not prone to happening; and few materials are accumulated, and the cleaning workload is small; and heat efficiency is high.

The invention discloses a novel Joly balance, which comprises a stand (1), a screw rod (2), an outer barrel (4), a lifting barrel (6), a rotation stopping screw (7), a vernier (8), a screw (9), a handle (18), a turntable (19), a connecting screw (26) and a measuring part, wherein the inner bottom end of the outer barrel (4) is provided with an internal thread; the outer barrel (4) is perpendicularly fixed at the center position of the stand (1); the screw rod (2) passes through the bottom of the stand (1) and is screwed into the outer barrel (4); the upper end of the screw rod (2) is providedwith a ring slot; after the lifting barrel (6) is inserted into the outer barrel (4) from the upper part, the ring slot in the upper end of the screw rod (2) is inserted into the bottom of the liftingbarrel (6); the connecting screw (26) passes through the lifting barrel (6) and is inserted into the ring slot in the upper end of the screw rod (2); and the screw rod (2) can drive the lifting barrel (6) to move axially, but cannot drive the lifting barrel (6) to rotate. The measuring precision of the novel Joly balance is greatly improved, and the novel Joly balance works reliably and is convenient to operate.