43results about How to "Reduce the chance of entanglement" patented technology

The invention relates to the technical field of agricultural machines, and discloses a rotary cultivator used for large-scale cultivation. The rotary cultivator comprises a fixed frame, fixed blocks are fixedly installed on one side of the top end of the fixed frame, a first rotary shaft is movably sleeved with the tops of the first fixed blocks, a first gear fixedly sleeves the middle of the outer side of the first rotary shaft, a second gear is fixedly installed at one end of the first rotary shaft, a second fixed block is fixedly installed in the middle of the front face of the fixed frame,a second rotary shaft is movably sleeved with the top of the second fixed block, and an end face gear is fixedly installed on the back face of the second rotary shaft. According to the rotary cultivator used for large-scale cultivation, drive gears, first driving gears and second driving gears are installed on the two sides of the fixed frame respectively, accordingly, power of the rotary cultivator is transmitted and moved to the two sides of the fixed frame, the two ends of a third rotary shaft and the two ends of a fourth rotary shaft are stressed more evenly, the loss of a single drive set is reduced, and cultivation blind regions of the rotary cultivator are effectively reduced.

The invention provides a pipeline thruster with a protection function. A drive motor, a propeller and a rotary shaft are installed in a flow guide pipe. The outer portion of the drive motor is sealed through a motor shell and an axle housing. Strip-shaped through grooves are formed in the flow guide pipe. Water flow enters the flow guide pipe through the strip-shaped through grooves and is driven by the propeller to generate counter acting force to push a ship to move. By the adoption of the thruster, the work efficiency of equipment can be improved, the propeller is effectively protected, meanwhile, the strip-shaped through grooves in the flow guide pipe can make a water body circulate, can protect equipment operation and further can act together with the motor shell to achieve the effective water cooling and heat dissipation effects on the drive motor, and the equipment structure is greatly simplified.

The invention discloses a cable built-in electric lifting stand column, and belongs to the field of linear actuation equipment. The stand column comprises a telescopic sleeve assembly, wherein the telescopic sleeve assembly comprises at least a first sleeve and a second sleeve, a transmission assembly is arranged in the telescopic sleeve assembly, the transmission assembly drives the first sleeveand the second sleeve to stretch out and draw back relative to each other, cable clamping devices is arranged in the telescopic sleeve assembly, the cable clamping devices comprises a first cable clamping device and a second cable clamping device, the first cable clamping device is located at the upper end of the telescopic sleeve assembly, the second cable clamping device is located at the lowerend of the telescopic sleeve assembly, a cable penetrates through the interior of the telescopic sleeve assembly and is fixed by the first cable clamping device and the second cable clamping device, the upper end of the cable is fixed with the upper end of the electric lifting stand column, and the cable is pulled by the upper end of the electric lifting stand column to realize length stretching and retracting inside the telescopic sleeve assembly. The cable built-in electric lifting stand column has the advantages that some cables can be built in the electric lifting stand column, so that wiring is more tidy, and meanwhile, the safety is improved.

The invention relates to the field of fishing, in particular to fishing equipment which consists of an artificial lure, a sinker and a float. The sinker is used for sending live bait to the bottom of the sea; the float is tied to a fishing wire and used for assisting people to judge whether fish rises to the bait and floats on water or not by naked eyes. The fishing equipment, with one end connected with a first fishing wire and the other end connected with a second fishing wire or also connected with the first fishing wire, comprises a first connection component connected with the first fishing wire, a weight component arranged on the first connection component, and a first bolt jointing unit which is jointed with the first connection component and the weight component through bolts. Further, the first bolt jointing unit comprises a first bolt unit and a first nut unit; the first bolt unit is arranged at the joint of the weight component of the first connection component, and the second nut for realizing bolt connection of the first bolt unit is disposed on the weight component. The fishing equipment has the advantages that original states of the fishing wires are kept while weight of the sinker can be adjusted.

The invention discloses knotting-prevention dyeing equipment for a wig. The dyeing equipment comprises a dyestuff bucket, a dyestuff inlet is formed in the top of the side wall of the dyestuff bucket,a dyestuff outlet is formed in the side wall of the bottom of the dyestuff bucket, and a knotting-prevention mechanism is arranged in the dyestuff bucket and comprises a storage cylinder used for accommodating the wig; the upper and lower ends of the storage cylinder are opened, a support pillar is arranged in the center of the storage cylinder, the side wall of the support pillar is connected with the side wall of the dyestuff bucket through several uniformly-distributed connecting rods, and the connecting rods divide the outlet end of the bottom of the dyestuff bucket into several wig storage areas; annular slide grooves are circumferentially formed in the side wall of the dyestuff bucket connected with the connecting rods, all the connecting rods are slidably connected with the annularslide grooves through slide blocks, a storage box is arranged at the bottom of the dyestuff bucket, a rotary motor is arranged at the portion, corresponding to the support pillar, in the storage box,and a rotary shaft of the rotary motor penetrates through the top of the storage cylinder to be connected with the bottom of the support pillar. By means of the dyeing equipment, the wig is more uniformly dyed; meanwhile, the wig is prevented from being knotted in the dyeing process.

The invention discloses an intelligent manufacturing device for knitted clothing. The intelligent manufacturing device comprises an intelligent manufacturing device body, an installation stand is fixedly installed on the outer surface in the middle at the upper end of the intelligent manufacturing device body, a transverse shaft is fixedly installed on the outer surface in the middle at the frontend of the installation stand, a machine box is fixedly installed on the outer surface at the front end of the transverse shaft, and the transverse shaft is fixedly connected to the outer surface at the upper end of the machine box. A thread separating mechanism is fixedly connected to the outer surface on one side of the installation stand, and a fixing plate is fixedly installed on the outer surface at the lower end of the intelligent manufacturing device body. Through an installation and disassembly mechanism, needles on the machine can be installed and disassembled, and it is convenient for people to use the device; through the thread separating mechanism, connecting threads can be separated and isolated, the connecting threads are prevented from being twined in the machine, the woundthread can be disposed in time, and more convenience is brought to use of people; through a plastic packaging mechanism, the manufactured clothing can be packaged, the situation that the clothing is placed at random, and consequently, the clothing is damaged is prevented, and using of people is facilitated.

The invention discloses a small sample dyeing bracket for a filament/yarn laboratory.The small sample dyeing bracket comprises a supporting assembly.The supporting assembly comprises one or more supporting stand columns, a first supporting plate and a second supporting plate, wherein the interval between the first supporting plate and the second supporting plate is fixed or adjustable, the supporting stand columns are connected to the first supporting plate and the second supporting plate, the periphery of the outer side of the first supporting plate is provided with a plurality of first wrapping posts, and the periphery of the outer side of the second supporting plate is provided with a plurality of second wrapping posts.The small sample dyeing bracket has the advantages that the structure is simple, operation is simple and convenient, and winding thickness of filament or yarn can be reduced, so that the situation that filament or yarn covers each other is reduced to the maximum degree, dye liquor can evenly and effectively penetrate all parts of fibers, the even dyeing effect is achieved, and the chance of mutual winding of filament or yarn is reduced.

The invention provides a preparation method of a nitrogen-doped carbon nanotube compositing TiO2 composite material. The method includes: pretreating a carbon nanotube material at first; then performing a reaction with the carbon nanotube and ammonia water to prepare a nitrogen-doped carbon nanotube material; finally adding TiO2 to direct prepare the nitrogen-doped carbon nanotube compositing TiO2composite material, which can effectively solve the problem that carbon nanotubes are quite liable to aggregate. Not only that, by compounding the TiO2 with the nitrogen-doped carbon nanotubes, the product can overcome the problem that TiO2, during use, is difficult to separate and recycle; meanwhile, under ultraviolet irradiation, more excellent catalytic degradation effect is achieved.

The invention relates to a practical industrial endoscope. The practical industrial endoscope comprises a main body, a cable, a photographing mechanism and a wire collection mechanism, wherein the wire collection mechanism comprises a first driving assembly, a cleaning assembly, a first rotating shaft, a wire reel and a first gear; the cleaning assembly comprises a reinforcing lantern ring, a rotating sleeve, a cleaning brush, an annular gear and a cleaning ring; the photographing mechanism comprises a second driving assembly, a shell, a second rotating shaft, a rotating block, a camera, a driven wheel and two reinforcing plates; the first driving assembly comprises a first motor and a second gear; and the second driving component comprises a second motor, a driving wheel and a transmission belt. According to the practical industrial endoscope, cables can be orderly stored in the main body by virtue of the wire collection mechanism, so that the winding probability of the cables is decreased, and the practicability of the industrial endoscope is improved; and the angle adjustment of the camera is realized by virtue of the photographing mechanism, so that the photographing range of the practical industrial endoscope is enlarged.

A hollow fibrous membrane element comprises a pressure-bearing housing (7), and hollow fibrous membranes (6), and a water distributing pipe (5). A head sealing cover (3) is disposed at one end of the pressure-bearing housing (7). The head sealing cover (3) is used for fixing the water distributing pipe (5) and sealing the pressure-bearing housing (7). A housing liquid port (8) is disposed in the pressure-bearing housing (7). A cover head liquid port (2) is disposed in the head sealing cover (3). One end of each hollow fibrous membrane (6) is fixed with the pressure-bearing housing (7). The interior of the hollow fibrous membrane (6) communicates with the cover head liquid port (2). The other end of each hollow fibrous membrane (6) is sealed. Each hollow fibrous membrane (6) is radially distributed in the pressure-bearing housing (7).

The invention discloses a safe and energy-saving type propeller. The safe and energy-saving type propeller comprises a propeller hub serving as an inner ring and a protective ring serving as an outerring. The propeller hub and the protective ring are arranged coaxially. Three sets of propeller blades are evenly distributed between the propeller hub and the protective ring. Each propeller blade isof an arc-shaped curved surface structure, wherein a certain inclination angle is formed between the arc-shaped curved surface structure and the movement direction of the propeller. Blade roots of the propeller blades are connected with the propeller hub. Blade tips of the propeller blades are connected with the inner side surface of the protective ring. The protective ring is of an arc-shaped symmetrical round ring structure with the middle being concave inwards. The axial length of the propeller hub is larger than that of the protective ring. The front end face of the protective ring is arranged between the front end face and the rear end face of the propeller hub. The rear end face of the propeller hub is arranged between the front end face and the rear end face of the protective ring.Each set of propeller blades comprises a main blade and an auxiliary blade which are arranged uniformly. The front section part of each main blade is a bending part which bends towards the rotating direction of the propeller blades. The front end part of each auxiliary blade is an arc-shaped concave part being concave backwards. The safe and energy-saving type propeller is simple in structure, high in safety and good in energy saving performance.

The invention relates to the field of sewage treatment, in particular to a multi-liquid-level pumping type sewage treatment device. The multi-liquid-level pumping type sewage treatment device comprises a horizontally-arranged movable mounting plate, wherein arc-shaped striker plates are arranged at the two ends of the movable mounting plate; a lifting guide cylinder is vertically arranged in the middle of the movable mounting plate; a lifting mounting cylinder is vertically arranged in and matched with the lifting guide cylinder; bending mounting frames are arranged at the four corners of thelower end of the movable mounting plate correspondingly; and a buoyancy cavity is horizontally formed in the movable mounting plate. Through meshing transmission of a gear and a rack, the multi-liquid-level pumping type sewage treatment device can control the liquid level height of sewage pumping, further can accurately control the sewage at the target liquid level, facilitates the fine treatmentof sewage, is stable in movement by axially rotating a spiral structure, reduces the probability that the device is wound by sundries, remarkably improves the liquid pumping efficiency of the device through synchronous liquid pumping by means of multiple groups of liquid pumping structures, and improves the operation stability of the device through guide coupling power supply.

The invention discloses a combined medical guide wire fixing clamp which comprises a bottom plate, the bottom plate is provided with a clamping device, the clamping device comprises two clamping plates arranged side by side, a gap for retaining a guide wire is formed between the two clamping plates, and the bottoms of the two clamping plates are rotatably connected; the button switch is movably connected with the clamping device and used for controlling opening and closing of the clamping device; the magnetic connecting devices are arranged on the side edges of the bottom plates and used for rapidly and magnetically connecting the multiple bottom plates; and the bonding layer is arranged on the bottom surface of the bottom plate in a covering manner and is used for adhering the fixing clamp to a table top or a bed sheet.

The invention discloses a horizontal rotary position changer. The horizontal rotary position changer is characterized by comprising a bottom box (1), a hollow speed reducer (2) is arranged above the bottom box (1), a shell of the hollow speed reducer (2) is fixedly connected with the bottom of the center position of a rotary box (3), and a rotary motor is arranged in the rotary box (3); an operating end of the rotary motor is connected with an input end of the hollow speed reducer (2), an output end of the hollow speed reducer (2) is fixed to the bottom box (1), and a gap is reserved between the shell of the hollow speed reducer (2) and the bottom box (1); the upper portion of the rotary box (3) is provided with an openable dodge gate (4) above a cavity in which the rotary motor is positioned.

The invention discloses an organic and inorganic fertilizer same-machine different-position precision sowing machine for corn. The organic and inorganic fertilizer same-machine different-position precision sowing machine comprises a rack, a furrow opener is arranged on the rack, a sowing box is fixed to the rear side of the furrow opener, a sowing pipe is connected to the bottom of the sowing box, and a slant pipe is arranged at the tail end of the sowing pipe; a first slide block and a second slide block are transversely and slidably installed on the rack, an organic fertilizer tank is fixed to the first slide block, the bottom of the organic fertilizer tank is connected with a first shovel blade through a first hydraulic oil cylinder, a first discharging pipe is connected to the bottom of the organic fertilizer tank, a first adjusting valve is installed in the first discharging pipe, and the first discharging pipe is located at the rear side of the first shovel blade; an inorganic fertilizer tank is fixed to the second slide block, the bottom of the inorganic fertilizer tank is connected with a second shovel blade through a second hydraulic oil cylinder, a second discharging pipe is connected to the bottom of the inorganic fertilizer tank, a second adjusting valve is installed in the second discharging pipe, and the second discharging pipe is located at the rear side of the second shovel blade. By means of the organic and inorganic fertilizer same-machine different-position precision sowing machine, the defects of the prior art can be overcome, and synchronous and precise application of different types of fertilizers is achieved.