71results about How to "Guaranteed no contact" patented technology

The invention discloses electric heating wine brewing equipment. The electric heating wine brewing equipment comprises a sealed tank body, a ventilation pipeline, a condensation tower, a partition plate pot bottom, an electric heater and a steam pipeline which are connected in sequence, wherein the ventilation pipeline is mounted at the top of the tank body in a communicated way; the ventilation pipeline is connected with the condensation tower; the partition plate pot bottom is mounted on the inner cross section of the tank body to divide the tank body into an upper part and a lower part; the electric heater is arranged in the lower part of the tank body; the steam pipeline is arranged in the upper part of the tank body; the steam pipeline is communicated with a space in the lower part of the tank body. According to the electric heating wine brewing equipment, the partition plate pot bottom is designed, so that water can be heated in a separate electric heating way to generate steam; the steam is used for heating wine material liquor required to be distilled on the partition plate pot bottom through the steam pipeline to generate steam of wine; the electric heating way is more environment-friendly; the structure design of the dual-layer pot bottom guarantees that the steam is not contacted with the wine material liquor required to be distilled; the brewed wine is mellower.

The invention belongs to the technical field of ocean engineering, and particularly relates to a submarine sediment sampling device for ocean engineering. in view of the problems that a device is relatively low in stability, and cannot perform massive sampling simultaneously, expel benthos or prevent re-dropping of a sampled sediment into ocean, the following scheme is provided: the sampling device comprises a buoyancy plate, wherein a fixed outer ring is arranged on the external wall on one side of the bottom of the buoyancy plate; a water-proof motor housing is arranged on the external wallof the bottom of one side of the fixed outer ring; motors are arranged in the water-proof motor housing; brackets are arranged on the external wall of the bottom of one side of the fixed outer ring; and the brackets are L-shaped. The stability of the sampling device is improved; infaunae are expelled by the vibrating action of the motors and the collision action of ball bodies and arc slide blocks, so that interference with a sampling process is avoided; the sampled sediment is separated from a submarine plane, so that the sampling is facilitated; and a pull plate is pulled upwards to allow clamping blocks to clamp the submarine sediment drilled out.

The invention relates to a squeezing device for a container for storing liquid and belongs to the field of daily life. The squeezing device comprises a container body, an upper cover, a bottom cover, a second piston, a second one-way valve, a pressing rod mechanism, an air inflow bin and a liquid storage bin. The upper cover is connected with an opening of the container body. The bottom cover is connected to the bottom of the container body. The second piston is arranged in the container body. The second one-way valve is connected with the container body. The pressing rod mechanism comprises a hollow pressing rod, a liquid outlet and a first one-way valve. One end of the hollow pressing rod is connected with the first one-way valve. The other end of the hollow pressing rod is connected with the second one-way valve. The liquid outlet is communicated with the first one-way valve. An air inflow hole is arranged on the bottom cover. The air inflow bin is formed between the bottom cover and the second piston. The liquid storage bin is formed between the second piston and the second one-way valve. The squeezing device is reasonable in structure, convenient to use, low in cost, capable of guaranteeing that liquid in the container does not make contact with air, safe and reliable.

The invention discloses a small micro-bubble generator and a method, and belongs to the field of micro-bubble drag reduction. The generator comprises a water pump, three valves, a controller, a bubblegeneration chamber, a first pipeline, a second pipeline and a one-way valve. The water pump, a first valve, the bubble generation chamber and a second valve are sequentially mounted on the first pipeline; a solid reaction raw material block is mounted in the first pipeline through a filter screen box to form the bubble generation chamber; a first port and a second port of a second pipeline are connected with two ends of the bubble generation chamber and are positioned between the first valve and the second valve; and a third port of the second pipeline is connected with the outlet end of thefirst pipeline, and a third valve and the one-way valve are installed between the second port and the third port. According to the device, a carbon dioxide gas is generated through reaction of mixed solids of water, an organic acid and sodium bicarbonate, generated bubbles are small, density is large, drag reduction is better facilitated, distribution in water flow is uniform, an extra gas sourcedoes not need to be carried, and the device is small in size and low in cost.

The invention discloses a method for keeping straw mushrooms fresh. The method comprises the following steps: selecting straw mushrooms which are commonly used in the market, have the same maturity, are picked at the same time, not watered before picked and required to be uniform in color and size, and have no disease or injury; packing the straw mushrooms with a pallet with the height of 40 mm and polyvinyl and polyvinyl-chlorid film with the thickness of 10 to 12 Mu.m after picking; then, punching 4 to 12 pin holes with the diameters of 1.3 mm and ensuring that the film is not in contact with the mushroom bodies; and storing the packed straw mushrooms at the temperature of 15 DEG C. By adopting the method, the storage period of straw mushrooms can be prolonged obviously. The invention achieves the purpose that straw mushrooms are stored and kept fresh through a simple principle, can achieve effective fresh-keeping effect without irradiation and chemical treatment, and has the advantages of nontoxicity, safety and low cost.

A pistonphone with a gap sealing structure comprises a cavity body, a piston and a support device, wherein a guide member is arranged between the cavity body and the piston; the outer surface of the guide member is hermetically connected with the inner wall of the cavity body, and the inner surface forms clearance fit with the piston; the guide member and the cavity body are coaxial; an annular air duct is formed in the outer surface of the guide member; communicated air holes pointing to the axis of the guide member are uniformly distributed in the annular air dust; an air source interface is communicated with the annular air dust. A pistonphone installation adjusting method comprises the following steps: horizontally placing the cavity body to ensure that the axis of the cavity body is coplanar to the axis of a drive component; inserting the piston into the guide member fed with high-pressure air, so that the piston is floated and is aligned to the cavity body; placing a gage block between a piston flange and the guide member to determine the balance position of the piston and the capacity of the cavity body, making the piston flange tightly cling to the drive component, fastening the piston flange, and fastening the cavity body with a cavity body bottom plate; removing the gage block and closing the high-pressure air source. The pistonphone provided by the invention can reduce sound pressure leakage in the cavity body, and meanwhile can ensure that no friction occurs between the piston and the cavity body.

The invention relates to the nuclear power technology, and in particular discloses a long-stroke split-type hanging basket assembly capable of controlling deformation. The split-type hanging basket assembly capable of controlling deformation comprises a hanging basket barrel body, a lower reactor core plate which is fixedly connected to the lower end of the hanging basket barrel body, and a baffle which is arranged in the hanging basket barrel body; the baffle is divided into three sections; a forming plate is arranged outside the baffle; by adopting a multi-section short baffle structure, the differential temperature stress of the connection of baffles is effectively reduced and the baffle is convenient to manufacture; by adopting the forming plate, the deformation of the baffle caused by radiation thermal effect is reduced; a cooling agent runner hole corresponding to a fuel assembly is arranged on the lower reactor core plate, and meanwhile, a centering hole for the lower rector core plate and an upper reactor core plate is provided, thus the technical requirement of flow cooling of the cooling agent is met, and meanwhile the centering requirement of the lower reactor core plate and the upper reactor core plate is also met, and besides, the installation becomes more accurate and more reliable.

The invention discloses a wind-electricity shaft forging die which can lighten the labor intensity and improve the working efficiency without secondary heating. The wind-electricity shaft forging die comprises a die holder and a die ring overlapped on the die holder, wherein the inner hole of the die holder is above 10 percent larger than the shaft end of a wind-electricity shaft blank, a cavity corresponding to the neck of the wind-electricity shaft blank is arranged at the top end of the die ring, a transition hole penetrating through the die ring is arranged at the bottom of the cavity, and the transition hole is above 45 percent higher than the cavity. Because the inner hole of the die holder is larger than the shaft end of the blank, the shaft end of the blank is not in contact with the die holder, and secondary heating is not needed, the forging quality of a wind-electricity shaft is ensured and the energy resources are saved. The die holder is detachably connected with the die ring, which greatly facilitates the operation, reduces the labor intensity and improves the working efficiency. Because the transition hole is provided, the accumulation can not happen at the edge of the bottom of the die ring when a flange head is forged, thereby greatly facilitating the normal operation of demoulding.

The invention discloses an automatic assembling device and method for a large-length-diameter-ratio shaft and a hole, and relates to the technical field of assembling of workpieces of large-length-diameter-ratio shafts and holes. By adopting a clamping assembly capable of adjusting the position and angle of a workpiece with the hole, a posture adjusting mechanism capable of adjusting the position and posture of the shaft workpiece (shaft), and a first lifting assembly and a second lifting assembly which are capable of adjusting the vertical position of the posture adjusting mechanism and the testing position of a measuring assembly respectively, a posture vector Am of a local area of the shaft workpiece and a posture vector A1 of the hole can be measured, so that the shaft workpiece posture adjusting amount deltaAm which needs to be executed by the posture adjusting mechanism is acquired; and real-time adjustment can be conducted in the assembling process of the shaft workpiece and the workpiece with the hole, so that it is guaranteed that the shaft workpiece does not make contact with the inner wall of the hole of the workpiece with the hole, thus the situations of interference and shaft workpiece damage are avoided, and the assembling quality and efficiency are improved.

The invention belongs to the field of valves and provides a leakage-free rapid disconnect connector comprising a cathode contact and an anode contact arranged at one end of the cathode contact; the cathode contact is internally provided with a plug connected with an plug-in framework through a first sealing ring; the plug-in framework is internally provided with a spring seat, and one end of the spring seat is connected with a cathode spring; the plug-in framework is in threaded connection with a cathode tube joint, and a second sealing ring is arranged between the plug-in framework and the cathode tube joint; the cathode tube joint is connected with an anode tube joint located at one end of the anode contact; the inner side of the anode tube joint is in threaded connection with an inner framework, and a third sealing ring is arranged between the inner framework and the anode tube joint; and the outer side of the anode tube joint is in threaded connection with an outer framework. In a plug-in / plug-out process, it is guaranteed that a medium inside the plug is not in contact with the outside all the time, and no or few medium residues are left on the end surface of the disconnect connector after the disconnect connector is plugged-in / plugged-out, so that the safety of a dangerous medium can be ensured.

The invention discloses a honeycomb core material milling cutter which comprises a cutter holder, a disk saw blade, a gasket and a fastening bolt, wherein a horn-shaped blade connection section is arranged at the front section of the cutter holder, a rod-shaped clamping section is arranged at the rear section of the cutter holder, the disk saw blade is in fit with an end face of the blade connection section, the gasket is in fit with the disk saw blade, and the fastening bolt sequentially penetrates through the gasket, the disk saw blade and the blade connection section to be fixed. The honeycomb core material milling cutter has the advantages that the shape and the structure of the cutter holder are subversively changed, so that the diameter of the milling cutter can be obviously increased, the chamfering size is obviously increased, a honeycomb core which is larger in thickness can be cut and chamfered, and a cutting area is enlarged; a assembling contact area between the cutter holder and the milling cutter is obviously enlarged, so that the stability and the dynamic balance performance of the whole cutter are obviously improved, and the safety and the durability of the cutter are improved; the disk saw blade can deform when being used, so that the central position of the blade is prevented from being in contact with the honeycomb core, only the edge of the blade is utilized to cut the honeycomb core, the cutting force is increased, the friction is reduced, the machining efficiency is improved, and the blade is protected through multiple structural designs; the cutter is quick and convenient to assemble and connect.

The invention relates to an automatic weighing and packaging device for precious metal particles and a weighing method thereof, and belongs to the technical field of packaging equipment. The automatic weighing and packaging device comprises a supporting part, and an isolation hood is arranged at the upper end of the supporting part; a protective door is arranged on the isolation hood, a feeding device is arranged at the upper end of the supporting part, the protective door close to the feeding device is the input end, and a weighing device, a carrying mechanical arm, an automatic vacuum plastic packaging device and a conveying device are further arranged in the isolation hood; the conveying device is sequentially provided with an automatic vacuum plastic packaging device, a marking and labeling machine and a visual proofreading device from the input end to the output end, the labeling machine is externally connected with an alarm device, and gross weight electronic scales fixed to the supporting part are arranged on the two sides of the marking and labeling machine correspondingly; and a precision electronic scale, the visual proofreading device and the two gross weight electronic scales are all in communication connection with the labeling machine. In addition to the feeding process, operators do not make contact with products with bare hands any more, the products are prevented from being polluted, weighing is accurate, and the automation degree is high.

The invention discloses a square battery fixture used for charging and discharging testing. The square battery fixture comprises an upper clamping plate, a lower clamping plate and a plurality of bolts connected between the upper clamping plate and the lower clamping plate. Pole pieces used for testing wiring are arranged on the two sides of the upper clamping plate, so that a short circuit fault of the two poles of each battery is prevented. The upper clamping plate and the lower clamping plate are uniformly provided with a plurality of connecting holes connected with the bolts. According to the square battery fixture used for charging and discharging testing, the fixture design that the multiple single batteries are in trail is adopted, so that each single battery is large in heat dissipation area and good in heat dissipation effect; the pole pieces used for testing wiring are distributed on the two sides of the upper clamping plate, and thus short wiring of the batteries in the testing process can be avoided; and bolt holes between the adjacent batteries can ensure that the adjacent batteries do not make contact with each other, so that the effects of being simple and effective are achieved.

The invention relates to a drag-reducing and wear-resisting drill string protector used in the fields of petroleum drilling and the like. The technical scheme is that the drag-reducing and wear-resisting drill string protector comprises a drill string, shaft sleeves, bolts, a sliding sleeve, clamping bolts and wear-resisting sleeves, wherein the shaft sleeves are arranged up and down, and the shaft sleeve at the lower part is connected with and clamps the drill string through the locking bolt; the sliding sleeve is fixed on the shaft sleeves through the clamping bolts; and the wear-resisting sleeves are connected through the locking bolts and arranged on the outer circumference of the sliding sleeve; and finally, the shaft sleeve at the upper part screws up the locking bolts to complete assembly. When the drill string rotates to deviate from the center, the wear-resisting sleeve with larger size is firstly contacted with a casing pipe, as the wear-resisting sleeve has low friction coefficient and good self-lubricating performance and can rotate freely relative to the drill string, and simultaneously the wear-resisting sleeve also has excellent wear resistance, the wear-resisting sleeve and the sliding sleeve are contacted and move through a PDC bearing during working, and the drag and the friction torque can be effectively reduced. In conclusion, the drag-reducing and wear-resisting drill string protector is convenient and fast to assemble and disassemble, the friction wear between the drill string and the casing pipe can be avoided, the energy loss during the torque transmission process during drilling can be reduced, and the service life of the drill string can be greatly prolonged.

The invention specifically relates to a composite sealing packaging box. By adopting the composite sealing packaging box, the problems that a composite packaging box is poor in structural strength, and a lifting tool damages the packaging box are solved. According to the composite sealing packaging box, the inner wall of a box cover and the inner wall of a box body are provided with annular reinforcing ribs and longitudinal reinforcing ribs; the edges of the box cover and the box body are provided with box opening frames; the annular reinforcing ribs and the longitudinal reinforcing ribs extend to the box opening frames; the box opening frames are provided with box sealing parts; a bracket is arranged in the box body; the bracket is fixed through bracket retaining ribs fixed to the inner wall of the box body and bracket locating pins arranged on the bracket; a U-shaped steel frames and cushion pads are arranged between the brackets and the box body; stacking reinforcing ribs are arranged in the positions, corresponding to the brackets, of the outer side faces of the box cover and the box body; the top faces of the stacking reinforcing ribs are provided with stacking pins and box cover lifting rings, and the outer side faces of the stacking reinforcing ribs are provided with bumper blocks and fixed angle lifting rings. The composite sealing packaging box is reasonable in structure design. Reasonable reinforcement of the box body is realized while the sealing performance is guaranteed. Meanwhile, the problem that box bodies are damaged in the lifting process is solved. The composite sealing packaging box is low in cost and long in service life.

The invention relates to the field of sitting tools, in particular to an environmental-protection barstool which comprises a barstool top, barstool legs and a barstool backrest arranged on the barstool top. The environmental-protection barstool is characterized in that the barstool top, the barstool legs and the barstool backrest are made of metal; each barstool leg comprises a connection segment located at the top and used for being connected with the barstool top, an anti-folding reinforcing segment located in the middle and a supporting pillar segment located at the bottom; the middle-upper portion of each barstool leg is provided with a sheet metal which is formed by stamping, and the cross section of each sheet metal is in an arc shape which is arched outwards; each anti-folding reinforcing segment is provided with a reverse force-bearing reinforcing groove rib which is formed in the mode that a sheet metal body is inwards sunken, connection pieces are further arranged between every two barstool legs, each supporting pillar segment comprises a pillar sleeve formed by encircling of the corresponding sheet metal and a hard plastic supporting foot arranged in the corresponding pillar sleeve in a filled mode, the bottom end of each plastic supporting foot stretches out of the corresponding pillar sleeve, and the joints of the reverse force-bearing reinforcing groove ribs and the sheet metal are force-resistant folding edges. The environmental-protection barstool is convenient to machine, small in material consumption, capable of being recycled, easy to repair and capable of saving energy and protecting the environment.

The invention discloses a separating plate for gear and position shifting assembly transportation. The separating plate comprises a plate body, three containing groove sets are arranged on the plate body at intervals, a gap between every two adjacent containing groove sets is set to range from 50 mm to 80 mm, and each containing groove set comprises two containing grooves; and a gap between the two adjacent containing grooves in each containing groove set is set to range from 10 mm to 20 mm. The invention further discloses a containing tool provided with the separating plate for gear and position shifting assembly transportation. The containing tool comprises a containing tool frame and not less than three separating plates arranged in on the containing tool, and the separating plates are detachably arranged in a the containing tool frame. The separating plate for gear and position shifting assembly transportation and the containing tool of the separating plate can be used in gear and position shifting assemblies in different specifications, are high in sharing performance, can guarantee that products are not in contact with each other, cannot generate collision in the transportation process, and improves the transportation quality of the products.

The invention relates to the technical field of self-priming pumps, in particular to an efficient energy-saving self-priming pump. According to the efficient energy-saving self-priming pump, the design of a hollow driving motor device is adopted, under the action of centrifugal blades, external water enters a volute through a water inlet in the middle of a main shaft, and heat generated during working of a rotor and a stator is absorbed by water at the water inlet position in the middle of the main shaft, so that the heat dissipation effect inside the motor is achieved, and the problems that atraditional motor dissipates heat through the tail end fan to the motor shell, heat dissipation is not available in the motor, a certain resistance exists in high-speed rotation of the fan, and the electric loss is high are solved; the two ends of the main shaft and the motor shell are sealed through mechanical sealing, the stator and the rotor can be sealed in the motor shell, a water pump can be directly put into water for pumping work, and the working application range is wide. According to the self-priming pump, heat dissipation can be conducted through the motor shell, heat dissipation can be conducted through the internal water flow, internal and external double heat dissipation is achieved, and the heat dissipation effect is good.

The invention discloses an auxiliary device for cable laying, and the auxiliary device comprises a bracket; moving wheels are mounted at the bottom of the bracket, a lower fixing part is mounted in the bracket, a pressing assembly is mounted at the top of the bracket, and an upper fixing part and a fixing assembly for limiting the upper fixing part are mounted on the pressing assembly. The upper fixing piece is matched with the lower fixing piece, and a limiting assembly is installed on the side face of the support and matched with the pressing assembly. According to the invention, the cable can be overhead, it is ensured that the cable is not in contact with the ground in the process of pulling the cable, the abrasion of the ground to the insulation skin of the cable is greatly reduced, and the cable can be fixed through the mutual cooperation of the upper fixing part and the lower fixing part. According to the cable pulling device, it is guaranteed that the cable cannot slide relative to the device in the pulling process, the safety of the cable is guaranteed, the friction force between the cable and the ground can be reduced through the arrangement of the moving wheels, the labor intensity of workers is reduced, and the working efficiency is improved.

The invention provides a scale bucket conveyor belt dragged by chain plate axis chains. The scale bucket conveyor belt comprises two chain plate axis chains installed at the two sides, paired mandrels at the two sides and scale buckets, wherein the paired mandrels at the two sides are installed on each chain link of the chain plate axis chains at the two sides; the scale buckets are installed on the paired mandrels at the two sides and overlap with each other; the scale buckets comprise central tubes, material blocking side plates, bucket grooves, reinforcing rib plates, wear plates and locating plates; the central tubes are installed on the mandrels at the two sides; the material blocking side plates are installed at the two ends of the central tubes; the sides of the straight edges of the bucket grooves are installed on the central tubes; the reinforcing rib plates are connected on the straight edges of the bucket grooves and the material blocking side plates; the wear plates are installed at the bottoms of the bucket grooves; and the locating plates are installed between the bevel edges of the scale buckets and the wear plates. The scale bucket conveyor belt dragged by chain plate axis chains has a simple structure, is capable of self-sweeping, has the effects of saving energy and reducing consumption, is stable in operation, has large output and large dip angle, achieves long-distance conveying, can be widely applied to material conveying and is especially suitable for dry ash material conveying.

The invention provides a pump body assembly and a rotor compressor. The pump body assembly comprises an air cylinder (1) and a sliding sheet (2), the air cylinder (1) is provided with a sliding sheetgroove (3), and the sliding sheet (2) is slidably arranged in the sliding sheet groove (3); the sliding sheet (2) comprises a first sliding wall (4) and a second sliding wall (5), and the sliding sheet groove (3) comprises a first side wall (6) and a second side wall (7); the first sliding wall (4) and the first side wall (6) are opposite to each other, and the opposite faces of the first slidingwall (4) and the first side wall (6) have the same magnetism; and the second sliding wall (5) and the second side wall (7) are opposite to each other, and the opposite faces of the second sliding wall(5) and the second side wall (7) have the same magnetism. According to the pump body assembly, the clearance between the sliding sheet of the rotor compressor and the sliding sheet groove of the aircylinder can be effectively guaranteed, power consumption of the compressor is improved, and the performance and the quality of the compressor are improved.

The invention discloses a method for repairing a screw hole of a normal-pressure cutterhead and a cutterhead cylinder of a slurry balance shield machine. The method comprises the following steps: 1, cleaning and fixing a cutter cylinder to be repaired; 2, mounting a positioning tool; 3, drilling and dismounting the positioning tool; 4, repairing the screw hole to be repaired; and 5, plugging the repaired screw hole. The to-be-repaired cutterhead cylinder is reversely fixed on the drilling machine, the to-be-repaired screw hole is repaired from the reverse side of the fixed end of the cutterhead holder, the repair process is simple, the possibility of re-damage repair and even cutterhead cylinder scrapping caused by an old repair process is avoided, and a large amount of time cost and capital cost can be saved; and meanwhile, the positioning tool is used for determining the position of the screw hole from the reverse side of the fixed end of the tool apron, so that the repairability of the cutterhead cylinder is improved on the premise that the cutterhead cylinder to be repaired is not damaged, the reliability of the cutterhead cylinder is further improved, the service life of the cutterhead cylinder is further prolonged, and the later construction risk is reduced.

The invention discloses a lossless and clean transferring method for high-precision large-caliber ultrathin elements. The lossless and clean transferring method for the high-precision large-caliber ultrathin elements comprises the following steps of (S1) fixing elements; and after cleaning the elements, loading the elements into a special support frame in a dust-free plant, and fixing the elements; (S2) inspecting the elements: enabling the elements and the support frame to enter an inspection flow, and starting to package after the inspection is pass; and (S3) packaging and sealing the elements. According to the lossless and clean transferring method for the high-precision large-caliber ultrathin elements, after the elements are processed, the large-caliber ultrathin elements can be stored and transferred in a lossless and clean way, and the complete-flow lossless and clean close loop of the elements is realized during a process from discharging to loading.

The invention discloses a conical rubber soft mold removing device. The conical rubber soft mold removing device comprises a working plane, wherein specially-shaped blades and dragging rods are arranged on the working plane at intervals; the bottoms of the specially-shaped blades are connected with pneumatic reciprocators and are integrally mounted on radial adjusting frames; adjusting screws are arranged on the radial adjusting frames and are capable of doing radial motion by adjusting the radial adjusting frames; rolling wheels are arranged at the tops of the dragging rods; rotating motors are arranged at the bottoms of the dragging rods; the dragging rods are connected with dragging support legs fixed on the working plane through the rotating motors; the reciprocating motion of the dragging rods on the dragging support legs can be achieved through the rotating motors. The invention also discloses a conical rubber soft mold removing method. Through high-speed reciprocating motion of the specially-shaped blades, the conical rubber soft mold can be continuously cut; a mechanical manner is used for ensuring that the cutter is not in contact with the products; the surface quality of the product is protected; the mold removing efficiency and the safety are improved.