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

Stereo fine cultivation technique of shrimp, crab and shellfish in sea water pond

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.
Owner:NINGBO ACAD OF OCEAN & FISHERY

Feed for portunus trituberculatus miers

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.
Owner:宁波海川水产饲料有限公司

Fruit and vegetable classifying and boxing robot and method

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.
Owner:UNIV OF JINAN

Radio base system, synchronization window control method, and synchronization window control program

For each of a plurality of users having multiple connection to a specific time slot a synchronization window of a predetermined temporal length having a center corresponding to a synchronization position is set to disallow a subsequent signal reception outside the widow. Furthermore timings of transmission for users are controlled to prevent synchronization windows from overlapping or being too distant from each other in the time slot. Thus, synchronization positions can be prevented from approaching each other or having an inverted time relationship therebetween. This process is provided by a DSP in software.
Owner:SANYO ELECTRIC CO LTD

Cleaning device

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.
Owner:SHENZHEN SILVER STAR INTELLIGENT TECH CO LTD

Luminous anti-puncture labor insurance boot with self-generated power source

InactiveCN103230122AImprove the anti-puncture effectGood flexibilitySolesUpperElectricityFiber
The invention relates to a luminous anti-puncture labor insurance boot with a self-generated power source, belonging to the technical field of boots in the daily life. The luminous anti-puncture labor insurance boot with the self-generated power source comprises a boot sole, a boot head, a vamp and a boot barrel, wherein a steel hood is adhered at an inner wall of an outer rubber layer of the boot head; the steel hood is a grid steel hood which is composed of three vertical ribs and three transverse ribs; the vertical ribs are arranged on the transverse ribs; a first elastic rubber layer is adhered at the inner wall of the steel hood; the outer rubber layer, a waterproof layer, an anti-puncture middle layer, an inner insulating rubber layer and a liner layer are adhered from downside to upside for connection in the boot sole; the anti-puncture middle layer comprises two Carat bulletproof fiber woven layers; a second elastic rubber layer is arranged between the two Carat bulletproof fiber woven layers; a light-emitting diode is arranged in the middle part of the boot head; a power source is arranged at the heel part of the boot sole; a switch is arranged at the boot leg or the heel part of the boot sole; and the power source comprises a pressure power generation unit and a power storage unit. The luminous anti-puncture labor insurance boot with the self-generated power source not only can prevent puncture and has the self-generated power source as well as indication effects, but also has the light boot head and high comfortableness.
Owner:WUJIANG DONGXIN PLASTIC PACKAGING PLANT

Rotation reed for fishing

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.
Owner:DAIWA SEIKO CORPORATION +1

Foldable type table trolley

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.
Owner:南通好易推物流科技有限公司

Method for cultivating seedling using compressed straw seedling cultivation cartridge packed with isolation bag

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.
Owner:徐宝安 +1

Adjustable stable tunnel supporting structure with high fit degree

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.
Owner:ZHEJIANG UNIV OF TECH

Fragrance pig slaughtering apparatus

The invention belongs to the technical field of pork processing apparatuses, and specifically discloses a fragrance pig slaughtering apparatus. The fragrance pig slaughtering apparatus comprises a slide rail; a horizontal rod, a first inclined rod, a second inclined rod, a first support rod, a first hook and a second hook are arranged on the slide rail in sliding connection; the support rod is arranged between the first inclined rod and the second inclined rod, wherein the support rod is hinged with both the first inclined rod and the second inclined rod; a first connecting rod is hinged withthe support rod at one side close to the first inclined rod; and the first hook is hinged with the first connecting rod at one end far away from the support rod; a second connecting rod is hinged withthe support rod at one side close to the second inclined rod; a second hook is hinged with the second connecting rod at one end far away from the support rod; and a cutting part is arranged between the first inclined rod and the second inclined rod, wherein the cutting part is connected with the support rod. The fragrance pig slaughtering apparatus is mainly used for fixing pork during slaughtering process of fragrance pigs so as to solve the problem of pork waste caused by relatively many fragments produced by repeated cutting at edges of cut pork by the cutting part.
Owner:南京御品食品机械有限公司

Vinegar and soy sauce integral kettle

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.
Owner:浙江龙鹰光电科技有限公司

Tension-adjustable rapier loom

InactiveCN104963067APrevent each otherChange the tension unevennessLoomsMotor driveEngineering
The invention relates to the technical field of woven fabric processing devices, in particular to a tension-adjustable rapier loom. The tension-adjustable rapier loom comprises a warp beam, a let-off mechanism, a working table, a weft conveying mechanism and a batching mechanism. A lease mechanism used for preventing warps from twisting together is arranged between the warp beam and the let-off mechanism. The let-off mechanism is provided with a tension induction mechanism. The weft conveying mechanism is provided with a weft guiding mechanism. The batching mechanism comprises a batching support, multiple batching shafts, a slip chain wheel and a gear motor, wherein the batching shafts are installed on the batching support, the slip chain wheel is installed at one ends of the batching shafts, the gear motor is installed on the lower portion of the slip chain wheel, and the gear motor drives the slip chain wheel so as to drive the batching shafts to rotate. The tension-adjustable rapier loom has the advantages that the quality of woven fabric is good, the efficiency is high, and the tension can be adjusted during weaving.
Owner:襄樊富仕纺织服饰有限公司

Photocatalyst for purifying indoor furniture

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.
Owner:BAZHOU U LIKE FURNITURE CO LTD

Time-shared agent feeding control pipeline for wastewater treatment

The invention belongs to the technical field of environment protection and relates to a time-shared agent feeding control pipeline for wastewater treatment. The time-shared agent feeding control pipeline comprises an agent distribution tank, a backflow pipe and an agent feeding pipe, the backflow pipe is connected from the lower portion of the agent distribution tank to the top of the agent distribution tank, and the agent feeding pipe is branched from a point of the backflow pipe. A plurality of branch feeding pipes are branched from the agent feeding pipe, a pneumatic valve is arranged on each branch feeding pipe, an air inlet of each pneumatic valve is connected to an air distribution device which comprises a shell and an inner core, and the inner core is pivoted into the shell which is provided with a plurality of air outlets connected with the pneumatic valves. The inner core is provided with an air supply passage, and the air supply passage is provided with an outlet which can be aligned to the air outlets and further provided with another outlet constantly connected with an air source. By the time-shared agent feeding control pipeline, agents can be distributed to each position requiring agent addition, flow scrambling of the branch feeding pipes is prevented, and feeding stability is realized.
Owner:SINGAPORE SUZHOU IND PARK ENVIRONMENTAL PROTECTION TECH CO LTD

Social contact alarm system based on laser ranging

The invention discloses a social contact alarm system based on laser ranging. The system comprises a laser ranging module, a central control module and a warning module, wherein the central control module is connected with the laser ranging module and the warning module; the laser ranging module is used for detecting the spacing distance of target human bodies through laser; the central control module is used for driving the warning module to send out an alarm signal when the spacing distance is smaller than a preset safety distance. The system can detect the spacing distance of the target human bodies through the laser, and automatically sends out the alarm signal when the spacing distance is smaller than the preset safety distance to prompt the target human bodies to keep the safety distance, so that people are prevented from getting close to each other, and virus propagation is avoided. The system can be widely applied to windows of banks, hospitals, governments and the like where face-to-face business handling is needed, automatically remind customers and workers to keep an enough safe distance, and can effectively reduce the risk that the customers and the workers suffer from virus infection in the business handling process in the virus prevalence period.
Owner:深圳壹智云科技有限公司

Fan system, composite foundation and construction method of composite foundation

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.
Owner:CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD

Manufacturing method of enthalpy wheel humidifier

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.
Owner:SHANGHAI JIAO TONG UNIV

Wall ball type sports device

The invention discloses a wall ball device which uses upright wall plate to rebound ball, comprising a rebound face and a porous baffle plate at the front of the rebound face. The rebound face can be plane, the inner surface of prism face, cylinder face, and spherical face, and the baffle plate can be one of plane, prism face or cylinder face. The invention can reduce the height demand of wall ball, that builds the invention in common floor, to save cost, separate ball areas of users, and protect users.
Owner:陈旭义

Viscous fish egg killing device

The invention relates to a viscous fish egg killing device. Every two conductive egg collectors are distributed at a certain interval, one of every two conductive egg collectors is connected with the positive pole of a power supply, the other one of every two conductive egg collectors is connected with the negative pole of the power supply, and each conductive egg collector is connected with the power supply in series or parallel by virtue of a wire. The viscous fish egg killing device provided by the invention adopts multiple conductive egg collectors, every two conductive egg collectors arerespectively connected with the positive pole and negative pole of the power supply, the characteristic that the egg collector can attract fish to lay eggs is utilized, after the conductive egg collectors are electrified, an electric field is formed between the two conductive egg collectors, fertilized eggs in the egg collector can be killed, a method for eliminating the fish which invades is provided in the aspect of eliminating the fertilized eggs of the fish in negative thinking, and the viscous fish egg killing device disclosed by the invention is simple in structure, easy in operation and high in efficiency.
Owner:CHINA THREE GORGES UNIV

Cotton swab box convenient for quick switching of multiple liquid medicines

The invention relates to the field of medical instruments, in particular to a cotton swab box convenient for quick switching of multiple liquid medicines. The cotton swab box comprises a cotton swab box body and a liquid medicine box; a cotton swab cavity is formed in the cotton swab box body; a medicine dipping cavity is formed in the center of the cotton swab box body; and a liquid medicine cavity is fixedly mounted in the liquid medicine box. The movable groove is obliquely serrated, so that an occluded convex block is capable of moving along with the inclined surface of the movable groove; the upper end and the lower end of the movable groove are arranged in a staggered manner, so that during manual pressing and when a return spring drives a rotating layer to move up and down, a moving track of the occluded convex block can be communicated so as to carry out the rotating action, and the effect of switching the use of different liquid medicines is achieved; and then, through a downward moving groove and an upward moving groove which are formed in the downward sunk part and the upward raised part at the lower end of the movable groove, when a liquid medicine is selected to be used, only continuous downward pressing is needed to enable the occluded convex block to enter the downward moving groove to fix the downward pressing direction and enable the required liquid medicine to enter a medicine dipping barrel, so that the free control on the usage amount of the liquid medicine is facilitated by controlling the pressing force.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

Packaging device for aluminum alloy wheels

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.
Owner:TIANJIN NANUO MACHINERY MFG

Dressed stone lifting device for building construction

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.
Owner:NANYANG INST OF TECH

Viscous fish egg killing device

A viscous fish egg killing device. Every two conductive fish nests (1) are distributed side by side at a certain distance. One conductive fish nest (1) of every two conductive fish nests (1) is connected to a positive pole (3) of a power source, and the other conductive fish nest (1) is connected to a negative pole (5) of the power source. Each conductive fish nest (1) is connected in series or in parallel to the power source through a conducting wire (2). The fish nest attracts fish to lay eggs. After the device is electrified, an electric field is formed between two conductive fish nests, so as to kill fertilized eggs in the fish nest, and a method for eliminating invading fish is provided from the perspective of eliminating fertilized eggs of the fish in reverse thinking, and the device has a simple structure, is easy to be operated, and is efficient.
Owner:CHINA THREE GORGES UNIV

A method of manufacturing an enthalpy wheel humidifier

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.
Owner:SHANGHAI JIAO TONG UNIV

Chamfering equipment used after metal plate cutting

The invention discloses chamfering equipment used after metal plate cutting. The chamfering equipment comprises a machine body shell, a working cavity is formed in the machine body shell, first connecting shafts are fixedly arranged in the working cavity, the left positions and the right positions of the first connecting shafts are symmetrical, leveling auxiliary wheels are rotationally arranged on the first connecting shafts, and a leveling device capable of guiding and leveling a metal plate is arranged above the leveling auxiliary wheels. According to the chamfering equipment, arranged leveling wheels cooperate with the leveling auxiliary wheels to press the metal plate, arranged clamping guide wheels are close to each other to clamp the metal plate, the leveling wheels and the clamping guide wheels can rotate at the same time, the functions of pressing, clamping and fixing the metal plate and preventing the metal plate from shaking and affecting subsequent machining, the function of pressing and leveling the surface of the metal plate and the function of feeding the metal plate rightwards are achieved, arranged pressing wheels cooperate with pressing auxiliary wheels so that the metal plate can be firmly pressed, and the function of preventing the metal plate from shaking and affecting the cutting precision during cutting is achieved.
Owner:徐州恒乾紧固件制造有限公司

A cotton swab box convenient for quick switching of multiple liquid medicines

The invention relates to the field of medical instruments, in particular to a cotton swab box convenient for quick switching of multiple liquid medicines. The cotton swab box comprises a cotton swab box body and a liquid medicine box; a cotton swab cavity is formed in the cotton swab box body; a medicine dipping cavity is formed in the center of the cotton swab box body; and a liquid medicine cavity is fixedly mounted in the liquid medicine box. The movable groove is obliquely serrated, so that an occluded convex block is capable of moving along with the inclined surface of the movable groove; the upper end and the lower end of the movable groove are arranged in a staggered manner, so that during manual pressing and when a return spring drives a rotating layer to move up and down, a moving track of the occluded convex block can be communicated so as to carry out the rotating action, and the effect of switching the use of different liquid medicines is achieved; and then, through a downward moving groove and an upward moving groove which are formed in the downward sunk part and the upward raised part at the lower end of the movable groove, when a liquid medicine is selected to be used, only continuous downward pressing is needed to enable the occluded convex block to enter the downward moving groove to fix the downward pressing direction and enable the required liquid medicine to enter a medicine dipping barrel, so that the free control on the usage amount of the liquid medicine is facilitated by controlling the pressing force.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

A parallel ditch clamp

The invention provides a parallel groove clamp, and belongs to the technical field of power wiring equipment. The parallel groove clamp comprises a connecting sleeve, pressing blocks, a driving assembly and stop pieces. The two pressing blocks are slidably arranged in the connecting sleeve, and one ends, away from each other, of the two pressing blocks are connected with the inner wall of the connecting sleeve to form a crimping space separately; the driving assembly is arranged on the connecting sleeve; and the two stop pieces are arranged on the connecting sleeve and are in one-to-one correspondence with the two pressing blocks. According to the parallel groove clamp provided by the invention, two wires penetrate into the crimping space formed by the ends, far away from each other, of the two pressing blocks, and the inner wall of the connecting sleeve; the driving assembly drives the two pressing blocks to be far away from each other, and the two wires are pressed in the crimping space separately, and the pressing blocks of the wires are fixed and tightened through the two stop pieces respectively; and when the wire is connected in the high-altitude operation, an operator does not need to carry tools for tightening bolts, and the wire connection can be completed only by using the driving assembly, so that the operation difficulty is reduced, and the risk that a tool falls from a high altitude to a person is avoided.
Owner:STATE GRID HEBEI ELECTRIC POWER CO LTD +1
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