37results about How to "Prevent each other" patented technology

An three-dimensional intensive culture technique of shrimps, crabs and shellfish in a seawater pond comprises the following steps: the pond is cleaned up before stocking, the bottom of the pond is solarized, a central canal and a circular canal are excavated, and feed water is disinfected and sterilized with medicines; fresh seawater is fed, the water quality culture, fertilization and algae culture are carried out, a lifting device for a swimming crab breeding cage is prepared, and lines are parallel set up at the two ends of the culture pond with each line spaced 50cm; and 30cm higher than the surface of the water, the cage is suspended every 50cm, the inside of the cage is provided with fine sand, the outside of the cage is sheathed with a plastic netting, benthonic seashells are put into the cage for the first, and the stocking density is 30 benthonic seashells per mu, then the stocking of prawns is carried out, and the stocking density is 5000 prawns per mu. By adopting the three-dimensional multi-species hybrid culture technique of shrimps, crabs and shellfish in a seawater pond, the water layers of the stocking ponds can be fully utilized, the utilization rates of each water layer of the stocking ponds, stocking devices and manpower are further improved, the water purification capacity of the seashell can be fully utilized, and the swimming crabs are suspended in a cage, thus avoiding cannibalism and catching and killing the shrimps and seashells in the same pound; Furthermore, the three-dimensional intensive culture technique provides adhesion and sheltering objects for prawns, and achieves the purposes of improving yield and increasing economic benefits.

The invention discloses a feed for portunus trituberculatus miers, belonging to the field of feed for aquatic animal culture. The feed comprises the following ingredients in percentage by weight: 35-45% of fish meal, 10-18% of soybean meal, 5-8% of spent grains liquor of corn alcohol, 3-8% of beer yeast, 3-5% of shrimp shell meal, 15-25% of high protein flour, 3-5% of squilla protein plasma, 1-3% of phospholipid oil, 1-3% of refined fish oil, 1-3% of complex binding agent, 1-2% of compound mineral substance, 0.5-1.5% of compound vitamin, 0.2-0.4% of choline and 0.1-0.4% of edible salt. Compared with the prior art, the feed provided by the invention comprises reasonable ingredients, has comprehensive nutrition, is full of nutriments, has extremely strong food calling effect on the portunus trituberculatus miers, can meet the requirements for artificial culture of the portunus trituberculatus miers in ponds, improves the food intake, effectively prevents the phenomenon that the portunus trituberculatus miers clamps the food mutually, and has obvious effect on improving the culture survival rate of the portunus trituberculatus miers.

The invention discloses a fruit and vegetable classifying and boxing robot system. The fruit and vegetable classifying and boxing robot system comprises a feeding mechanism, a classifying mechanism, a fruit and vegetable conveying belt, a double-arm mechanical hand, a box body conveying belt, a lifting type conveying belt, a boxing conveying belt and a fruit and vegetable carrier conveying belt, and spherical fruit and vegetable classifying and double-arm robot boxing processes are mainly completed. According to the classifying mechanism, a pitch limiting screw rod is used for distinguishing a low-level fruit and vegetable treatment area, a middle-level fruit and vegetable treatment area and a high-level fruit and vegetable treatment area through a variable-pitch guiding groove structure. The double-arm mechanical hand comprises an end picker, a motor, a steering device, a horizontal lead screw, a vertical lead screw, a polished rod, a connecting plate, a synchronous belt wheel assembly, a suction cup and the like and is installed on two work stations of a moving seat to achieve automatic layering boxing of fruits and vegetables. According to the fruit and vegetable classifying and boxing robot system, multiple processes of spherical fruit and vegetable feeding, classifying, layering boxing and the like are organically combined, full-automatic production of the fruits and the vegetables is achieved, the production efficiency of the fruit and vegetable sorting and boxing operation is effectively improved, and the labor intensity of manual production is lowered.

The invention discloses a cleaning device. The cleaning device comprises a housing, a moving assembly for driving the cleaning device to move and a cleaning assembly for cleaning a surface to be cleaned, wherein the moving assembly and the cleaning assembly are arranged on the housing, the cleaning assembly comprises at least one first cleaning subassembly, each first cleaning subassembly comprises an installing part, a shape fixing part and multiple sweeping members, each sweeping member outwards extends from the installing part, the shape fixing part is connected with the multiple sweeping members, the sweeping members can rotate with rotation of the installing part so as to stir dirt on the surface to be cleaned. The cleaning device can keep the shapes of the first cleaning subassemblies of the device, and the poor cleaning effect caused by distortion of the first cleaning subassemblies is avoided. In addition, the service life of the first cleaning subassemblies is also prolonged.

A spinning reel for fishing includes: a reel body; a pinion rotated in response to a rotation of a handle; a rotary cylinder shaft integrally rotated with a rotor including a fishing line guide portion, the rotary cylinder shaft being rotatably supported in the reel body; a spool shaft including a spool at an end portion thereof, the spool shaft being inserted into the rotary cylinder shaft so that so that the spool shaft can be reciprocated in an axial direction thereof; a recessed portion formed in the axial direction on an inner circumference side of the rotary cylinder shaft; and a pair of rolling bearings arranged so as to be separated from each other in the axial direction between the recessed portion and an outer circumferential face of the spool shaft.

The invention discloses a foldable type table trolley. The foldable type table trolley comprises a bottom plate, walking wheels, a guardrail assembly, a stabilization wheel and a fixing shaft. The guardrail assembly comprises a first guardrail plate, a second guardrail plate, a third guardrail plate, a stop rod, a stop rod clamping piece, fixing clamping pieces and bottom plate limiting convex edges; the first guardrail plate and the third guardrail plate are connected to the two side edges of the second guardrail plate correspondingly, the stop rod is movably connected to the first guardrailplate, a locking lug is arranged at the head of the stop rod, and the stop rod clamping piece is fixed to the third guardrail plate, and provided with a notch corresponding to the locking lug; and thebottom plate is movably connected to the bottom edge side portion of the second guardrail plate through a foldable rotary shaft, the walking wheels and the bottom plate limiting convex edges are connected to the bottom edges of the first guardrail plate, the second guardrail plate and the third guardrail plate, the stabilization wheel is connected to the bottom edge of the second guardrail platethrough the fixing shaft, and a fixed included angle is formed between the stabilization wheel and the second guardrail plate. According to the foldable type table trolley, the self-weight of the foldable type table trolley is low, objects which are small in size, soft and prone to being damaged can be transported, and the objects are prevented from being damaged in the transporting process.

A seedling culture method using a compacted straw seedling culture cylinder with a sleeved isolation pocket is characterized in that straw is compacted into a straw cylinder by an extrusion device, or a straw cylinder which is spliced and combined by straw tubes or straw rods by connecting a positioning device; or a straw bottom and a straw cover which are made of compacted straw are arranged in the straw cylinder in a matching way; the bottom of the straw cylinder is fixedly connected with the straw bottom through the positioning device to form a container, and the isolation pocket with ventilation function at the bottom is sleeved on the container; ventholes are uniformly arranged on the straw cylinder, the straw bottom and the straw cover; the container is filled with planting soil, the compacted straw cover is arranged on the surface layer of the planting soil after putting a plant to be planted, and the straw cover is covered with soil again and is watered; the compacted straw cylinders sleeved with isolation pockets are tightly arranged into a honeycomb shape, and the peripheries of the compacted straw cylinders are covered with soil or bricks. The device is easy to manufacture and install, can naturally and slowly release the fertilizer and emit carbon dioxide in the process of decay to facilitate the absorption of the leave surfaces of seedlings, meanwhile, the device self becomes less tight and has good air permeability performance to facilitate the growth of the root systems of the seedlings.

The invention provides an adjustable stable tunnel supporting structure with high fit degree. A rigid supporting arch frame for supporting the top of a tunnel is erected on a supporting column, wherein a lifting seat is arranged in a cavity of a flat and long box body of the supporting column; the bottom of the lifting seat is connected with a first threaded cylinder; the first threaded cylinder is meshed with a first threaded column; the bottom end of the first threaded column is connected with a first rotating shaft, the first rotating shaft is arranged on a bearing seat in a penetrating mode through a first bearing; a driven bevel gear is arranged at the lower end of the first rotating shaft; a driving bevel gear is connected with a second rotating shaft; a second bearing is arranged ona prism; a rigid adjustable top plate is erected on the rigid supporting arch frame, and a flexible adjustable top plate is erected on the rigid adjustable top plate through an elastic device; and the bottom of the rigid adjustable top plate is connected with a second threaded cylinder through a second threaded column, the second threaded cylinder is arranged on the rigid supporting arch frame ina penetrating mode through a third bearing, the second threaded column is sleeved with a supporting spring, and the lower end of the second threaded cylinder is connected with a rocker through a second driving connecting hole.

The invention discloses a vinegar and soy sauce integral kettle, and belongs to the technical field of kitchen utensils. According to the provided vinegar and soy sauce integral kettle, space occupation is reduced, poured liquid varieties can be selected through a pouring switch, and usage is facilitated. According to the technical scheme, a kettle body is in a cavity structure with an upper opening, the side wall is provided with a pouring port, and a cover is assembled on the upper opening of the kettle body; the interior of the kettle body is partitioned into two cavities through a partition, the pouring port is divided into two flow channels through the partition, and the two flow channels of the pouring port are respectively communicated with the corresponding cavities of the kettle body; the pouring port is provided with the pouring switch controlling the two flow channels to communicate with each other, the upper portion of the partition extends out of an opening platform of the kettle body, the cover is provided with an assembling groove matching with the extending segment of the partition, the assembling groove is connected with the extending segment of the partition in a sealed and matched manner, and the cover is provided with two vent holes. The vinegar and soy sauce integral kettle is adaptive to storage of different liquids in different fields integrally.

The invention relates to a photocatalyst for purifying indoor furniture, which comprises modified nano titanium dioxide particles, nano titanium dioxide particles and polycarboxylic acid, and the modified nano titanium dioxide particles are obtained by reacting the nano titanium dioxide particles with a silane coupling agent. The photocatalyst disclosed by the invention has efficient capacity of absorbing peculiar smell and formaldehyde on the surface of the furniture and bactericidal capacity, and the surface of the furniture subjected to sensory tests of volunteers does not have any unpleasant smell. Therefore, the photocatalyst for purifying the indoor furniture can thoroughly remove residual formaldehyde and peculiar smell on the surface of the furniture (such as a solid wood plate), and has a good application prospect.

The invention discloses a rapier loom. The rapier loom is provided with a warp bracket, wherein a leasing rod is arranged in front of the warp bracket. The leasing rod is arranged in front of the warp bracket, warps enter the warp bracket after passing through the leasing rod and adjacent wraps are separated from each other under the effect of the leasing rod to prevent the wraps from being twisted with each other, overcome the defects of a plurality of broken ends, harness skip, stretched warp and the like, improve weaving efficiency and ensure cloth cover quality.

The invention relates to a draught fan system, a composite foundation and a construction method of composite foundation. The draught fan system comprises a composite foundation and a draught fan; thecomposite foundation comprises a suction barrel, a pile body, a reinforcing plate and at least two reinforcing plates; the draught fan is arranged on the pile body, and the draught fan is far away from the suction barrel. The suction barrel comprises a bearing wall and a side wall connected with the bearing wall, and a barrel cavity is defined by the bearing wall and the side wall. The pile body is arranged on the bearing wall and located on the side, back on to the side wall, of the bearing wall. At least two reinforcing plates are vertically arranged on the bearing wall, distributed around the peripheral wall of the pile body at intervals and connected with the pile body. The reinforcing plates are arranged on the peripheral wall of the pile body, each reinforcing plate is located between every two adjacent reinforcing plates, and the reinforcing plates are connected with the reinforcing plates located at the two sides of the reinforcing plates. The draught fan system, the compositefoundation and the construction method of the composite foundation have the advantage of high connection stability of the pile body and the suction barrel.

The invention discloses a manufacturing method of an enthalpy wheel humidifier, which comprises the steps of putting aramid fibers, phenolic resin, pore former and curing agent into a high-speed mixer for high-speed mixing to obtain a uniform mixture, filling a mold with the mixture, putting the mold in an oven for thermocuring, conducting cooling and demolding, obtaining a porous cellular cylindrical enthalpy wheel, mounting the enthalpy wheel into a cylindrical housing, connecting to a motor through connecting shafts, and dividing the cylindrical housing into two areas with baffles. The invention further discloses the enthalpy wheel humidifier for a fuel cell, which comprises the cylindrical housing, the motor, the enthalpy wheel, the baffles and the connecting shafts. The enthalpy wheel humidifier can conduct air inflow heating and humidifying on the proton exchange membrane fuel cell more effectively, allows the proton exchange membrane fuel cell to exert performances better, and is simple in fabrication process, good in performance, lower in operating cost and long in service life.

The invention provides a packaging device for aluminum alloy wheels. The packaging device comprises a paper holder body, containing holes and annular protrusions. The four containing holes used for containing the wheels are formed in the paper holder body. The annular protrusions with the centers of the containing holes as circle centers are arranged on the paper holder body and used for fixing wheel holes. The packaging device has the beneficial effects that the structure is simple, and when the finished aluminum wheels of a commercial vehicle are packaged, operation is convenient, and safety and reliability are achieved.

The invention relates to a dressed stone lifting device for building construction. The dressed stone lifting device for building construction comprises a first clamping arm and a second clamping arm,the middle positions of the first clamping arm and the second clamping arm are assembled in a rotating mode, the upper end of the first clamping arm is provided with a connecting structure used for being connected with a lifting rope, the lower end of the first clamping arm is rotationally assembled with a first clamping plate, the upper end of the second clamping arm is provided with a connectingstructure used for being connected with the lifting rope, the lower end of the second clamping plate is rotationally assembled with a second clamping plate, the first clamping plate and the second clamping plate are driven by corresponding clamping arms to be close to or away from each other so as to being used for clamping and releasing dressed stones, a first reset spring is arranged between the first clamping arm and the first clamping plate, and a second reset spring is arranged between the second clamping arm and the second clamping plate. According to the device, the lifting rope is connected to the upper ends of the first clamping arm and the second clamping arm, the clamping plates at the lower ends of the first clamping arm and the second clamping arm are close to each other under the action of gravity, in the lifting process, the first clamping arm and the second clamping arm have no trend to be separated from each other, so that the probability of falling of the stressed stones in the lifting process is reduced.

The invention discloses a material belt transporting device, which comprises a work table, an I-shaped wheel and a material belt, wherein the I-shaped wheel comprises two side plates and a roller tube clamped between the side plates, the material belt is transported from the work table through the roller tube, the material belt transporting device also comprises a stop block, and the stop block is positioned between the two side plates. When the mode is adopted, the mutual approaching between the side plates can be prevented, the occurrence of the condition that the workpiece transportation is blocked when the mutual gap of the two side plates in a position is too small is avoided, and in addition, the generation of the adverse influence on the transportation quality caused by the axial size unbalance of the roller tube when the side plates mutually approaches can also be prevented.