577results about How to "Won't flow out" patented technology

The invention discloses an experimental method for top plate seepage and water inrush when in underwater exploitation as well as an apparatus thereof, comprising the steps of: (1) putting a configured experimental material in a model box according to the practical relative position; (2) exerting lateral pressure on the model material in the model box; (3) sealing the top part of the model box and exerting the stated water pressure on the top part of the model; (4) acquiring water pressure data, tectonic stress data, displacement digital photos and crack digital photos magnified by certain times at regular intervals in the exploitation process until the water inrush destruction takes place; (5) repeating the steps of (1), (2) and (3) to change lateral pressure and water pressure parameters, and repeating the step (4); and (6) obtaining the relation between the water pressure at the top part, the tectonic stress and the model surface displacement, model surface crack. The method and apparatus can embody the combined action of tectonic stress and water pressure at the top part and deadweight function of cover layer more factually, thereby improving the testing precision.

The invention discloses an electromagnetic micro jet device, and relates to a micro jet device. The electromagnetic micro jet device is suitable for jet of metal liquid as required, and is provided with an upper magnet, a jet cavity, a lower magnet, electrodes, a liquid feed pipe, a liquid feed tank, a lifting mechanism, a stepping motor and a pulse current device, wherein the upper magnet and the lower magnet are fixed on the upper surface and the lower surface of the jet cavity respectively; the jet cavity is provided with a liquid inlet and a liquid nozzle; the electrodes are arranged on the two sides of the jet cavity and stretch into the jet cavity; one end of the liquid feed pipe is communicated with an inner cavity of the jet cavity; the other end of the liquid feed pipe is communicated with the liquid feed tank; an input end of the lifting mechanism is connected with the stepping motor; an output end of the lifting mechanism is connected with the liquid feed tank; and the two ends of the pulse current device are connected with the electrodes.

The invention discloses an Internet surfing log recording system and method capable of protecting personal privacies of users. The system comprises a general management unit responsible for general management operation, a privacy management unit responsible for authorization and operation, a background safety management unit connected with the general management unit and the privacy management unit and responsible for safety of a monitoring system, and a data storage unit used for storing data. Therefore, the method is good in safety and less prone to data leakage of the personal privacies of the users, and can achieve joint administration by administrators in different levels through combination of software encryption and hardware encryption.

The invention provides a cuttable flexible wire which is composed of liquid metal and an elastomer, wherein liquid metal particles are dispersed in the elastomer. The liquid metal material will not flow out after the flexible wire is cut, and can bear stretching, bending and other deformation. When the liquid metal material produces stretching, bending or other deformation, the resistance will not change. The invention further provides a device for large-scale preparation of the cuttable flexible wire, comprising a mixing device, a current detection device, a conductor pipe, a protective layer pipe, and a heating device. The cuttable flexible wire prepared using the device has stable performance and large tensile strain, can be recovered after stretching, and can be cut. The cuttable flexible wire has potential application value in the flexible electronic technology.

The invention provides a simple dynamic sulfur dioxide gas toxicant exposure experimental device. The device consists of a gas decompression dosing device, a dynamic gas toxicant exposure cabinet/chamber and a waste gas absorption and discharge device, wherein the gas decompression dosing device has functions of directly decompressing and quantifying high-purity sulfur dioxide gas, thus omitting assembly of a special decompression gauge and a flow gauge and realizing quantitative control on toxic gas in advance; the dynamic gas exposure cabinet/chamber ensures that a simulated toxicant exposure environment is closer to a natural exposure environment and concentration of the toxic gas is uniform and accurate and can be regulated and controlled in real time; and the discharged gas meets thesafe discharge standard through the waste gas absorption and discharge device. The overall device has the advantages that operation method is simple, the manufacturing expense is low, and the continuous long-time toxicant exposure can be realized, thus solving the difficulty of continuous dynamic toxic gas exposure for a large number of animals, and realizing sulfur dioxide fumigation for variousfood and industrial materials and the like.

The invention belongs to the field of rare earth permanent magnetic materials, and particularly provides a method for preparing a dense fine-grain neodymium iron boron sintering magnet. The method for preparing the dense fine-grain neodymium iron boron sintering magnet is characterized in that vacuum pre-sintering is conducted before high-pressure argon hot isostatic pressure sintering, the sintering temperature is kept between +5 DEG C and 50 DEG C of the eutectic temperature of a 2:14:1 phase and a phase rich in neodymium, and the pressure range is between 2MPa to 20MPA in the isostatic pressure sintering process. The method particularly comprises the steps that after ingot casting, powder preparation and orienting profiling are sequentially conducted on neodymium iron boron alloy, the neodymium iron boron alloy is placed in a sintering furnace, after the high vacuum condition is met, the neodymium iron boron alloy is heated, the sintering furnace is vacuumized continuously, the high vacuum environment is created through stage heating and control over the heating speed, when the required sintering temperature and the required vacuum degree are achieved, the neodymium iron boron alloy is pre-sintered for a certain time in a vacuum mode, then, vacuumization is stopped, high-purity argon is gradually conveyed to the sintering furnace so that isostatic pressure can be exerted, the temperature is continuously kept for a certain time, rapid cooling is conducted, and therefore the product is obtained. The method for preparing the dense fine-grain neodymium iron boron sintering magnet has the advantages that a dense and fine-crystalline structure can be sintered, shrinkage of the product is even, properties are identical, operation is simple, and the method is suitable for industrialized production.

It relates to the glue sleeve seal teeth shape reversed V shape forming sulfuration. It makes belt blank at the inner mold, installs the round cylinder glue sleeve with teeth on the surface inside and smooth surface inside both ends on the glue sleeve base and fastened with shrouding rings, putting them into sulfur can, hanging belt blank into glue sleeve, covering the top cap and the cap of the sulfur can, sequentially opening the outside pressure and inner pressure steam for sulfuration, stripping the belt blank round cylinder with vertical rack outside and the cutting belt blank round cylinder, getting many teeth shape cutting V belt. It solves the sealing issue at both ends of the glue sleeve, eliminating the bubbling stratification defect of the product, increasing effective cutting 2-4 lines, reducing material consumption and cost.

The invention discloses an injection pickling device for spiced beef. The injection pickling device comprises a machine frame and a conveying belt, wherein the machine frame is positioned right abovethe conveying belt, a pickling box is arranged on the conveying belt, a color sensor and a marinade injection matrix are sequentially arranged on the machine frame along the direction of advance of the conveying belt, the marinade injection matrix comprises a plurality of queued marinade injection needles, through holes for injecting the marinade are formed in the front ends of the marinade injection needles, a marinade pot is also arranged on the machine frame, the marinade injection matrix is connected with the marinade pot by virtue of a feed pipe, a controller is also arranged on the machine frame, and the controller controls each marinade injection needle in the marinade injection matrix to singly perform injection according to output results of the color sensor. The injection pickling device for spiced beef performs color detection on beef by the color sensor to discriminate the muscles (red) from fat (white) of the beef and inject the fat, and by virtue of drainage effects of blood capillaries, the marinade is drained to everywhere in the beef, thereby achieving the effects uniform pickling and uniform flavor.

The invention provides a casting mold device and a method for manufacturing castings using the casting mold device. The casting mold device includes a metal mold and a sand mold (2), wherein the sand mold has: a riser formed on the opposite side of the metal mold. One side; the opening (25), which is sealed by a metal mold to form a mold cavity when forming a mold; The surface of the surrounding wall protrudes more toward the metal mold side, wherein a notch is provided on the surrounding wall to make the inner part (S) of the surrounding wall communicate with the outer part. The casting method includes the following steps: a molding process, The sand mold and the metal mold are combined to form a mold cavity; the casting process is to pour molten metal into the mold cavity; the mold opening process is to leave the casting (7) on one side of the sand mold and separate the sand mold from the metal mold; and In the cooling step, the sand mold with the casting left is immersed in a cooling tank with the opening side positioned on the lower side. With this method, when the sand mold and casting are immersed in cooling water in the cooling process, air bubbles (X) remaining in the inner portion (S) are discharged through the notch portion (25), and cooling or quenching can be efficiently performed.

The invention provides an environment-friendly PVC (Polyvinyl Chloride) waterproof roll. The waterproof roll is prepared from the following raw materials: PVC resin, a plasticizer, a heat stabilizer, epoxy soybean oil, fillers, an antioxidant and a light stabilizer. The content of the raw materials of the waterproof roll are as follows in parts by mass: 98 to 102 parts of the PVC resin, 45 to 55 parts of the plasticizer, 2 to 2.5 parts of the heat stabilizer, 5 to 6 parts of t he epoxy soybean oil, 20 to 30 parts of the fillers, 0.2 to 0.6 part of the antioxidant and 0.2 to 0.6 part of the light stabilizer. The waterproof roll provided by the invention has no lead and is environmentally friendly; no lead flows out in construction and application processes; the waterproof roll has high mechanical strength and good weather resistance and stability.

The invention relates to an automatic functional test device of a coffee maker. The automatic functional test device comprises a water supply mechanism, a coffee bag prosthesis supply mechanism, a needle valve, a water outlet valve, a flow meter, a temperature sensor, a pressure sensor and a control system. The water supply mechanism is used for filling water into the coffee maker to be tested and comprises a water tank and a port connected with the water tank. The coffee bag prosthesis supply mechanism is used for placing a coffee bag prosthesis into the coffee maker to be tested. On a test water path of the coffee maker to be tested, the needle valve is located on the downstream of the coffee bag prosthesis, the water outlet valve is located on the downstream of the needle valve, the flow meter is located on the upstream of the coffee maker to be tested and arranged between the water tank and the port, the temperature sensor is located on the coffee bag prosthesis, and the pressure sensor is located between the coffee bag prosthesis and the needle valve. The control system controls the water supply mechanism and the coffee bag prosthesis supply mechanism to act, receives signals emitted by the flow meter, the temperature sensor and the pressure sensor and outputs the signals after processing the signals. The test device is high in test efficiency, low in labor intensity and capable of ensuring the quality of products which are massively produced.

The invention relates to a novel environment-friendly garbage bin with a sewage collecting box, which comprises a bin body, and is characterized in that the bin body is divided into an upper part and a lower part, the upper part is a garbage storing bin (1), and the lower part is the sewage collecting box (2); the bottom of the garbage storing bin is provided with a plurality of pores (3), so that sewage in the garbage storing bin (1) can flow into the sewage collecting box (2) through the pores (3); a storage case (4) is arranged in the sewage collecting box (2); and the storage case (4) is withdrawn from an opening of the sewage collecting box (2), and a sewage absorption bag (5) which is filled with powdery or fine granular absorbing substances is arranged in the storage case (4). The garbage can collect the sewage in the garbage bin, so that the sewage cannot flow out of the garbage bin; the garbage bin not only can protect the environment, but also is convenient to clean; and the garbage bin has the advantages of simple structure, convenient modification, and easy implementation and popularization.

The invention discloses refrigerating equipment with a universal application function and a control method thereof. A refrigeration circulating system is arranged in the refrigerating equipment. The refrigerating equipment comprises a temperature varying chamber. The temperature varying chamber is provided with an independent air door. A temperature sensor for detecting the real-time temperature in the temperature varying chamber is arranged in the temperature varying chamber. A control device is further arranged on the refrigerating equipment, the temperature of the temperature varying chamber is controlled by controlling the rotating speed of a compressor and opening and closing of the air door through the control device, and after food is put in the temperature varying chamber, the temperature varying chamber sequentially suffers from a first cooling stage, a second cooling stage, a third cooling stage and a fourth cooling stage, wherein the average cooling speed of the first cooling stage is higher than that of the second cooling stage, and the average cooling speed of the third cooling stage is higher than that of the second cooling stage. Compared with the prior art, the refrigerating equipment and the control method thereof have the advantages that the function that the food is easy to cut after being frozen is achieved, and the quality of the frozen food can be guaranteed.

An axial force balancing structure of a centrifugal closed impeller comprises a sealing ring which is arranged between an impeller cover and a housing and near the outlet of the centrifugal closed impeller, an impeller inlet seal arranged near the inlet of the centrifugal closed impeller, and a housing inlet formed in the housing, wherein the impeller cover, the housing, the sealing ring and the impeller inlet seal form a cavity; a high pressure medium is introduced into the cavity from the outside through the housing inlet; the pressure of the high pressure medium is higher than the medium pressure at the outlet of the centrifugal closed impeller. The axial force balancing structure can balance an existing axial force from an impeller disc to the impeller cover of the centrifugal closed impeller; the axial force balancing structure does not affect flowing of the medium inside the centrifugal closed impeller, so that the efficiency of an impeller is not affected; the axial force balancing structure does not increase the axial length; the high pressure medium can be from the medium at an outlet of a pressure expander behind the centrifugal closed impeller, so that a risk of medium leakage is avoided; the axial force balancing structure is simple in structure and easy to implement.

The invention provides a collection device for fecal incontinence. The device comprises a drainage tube, wherein an air bag is arranged on the periphery of the front end of the drainage tube, and a full-filling pipeline communicated with the air bag is arranged on the wall of the drainage tube; an in-vitro drainage bag is connected to the tail end of the drainage tube; an air injection connector communicated with the full-filling pipeline is formed in the tail end of the drainage tube; a silica gel anus plug made of a silica gel material sleeves the outer side of the drainage tube, and comprises a base, a nipple, an areola and a seal cartridge; the areola is arranged on the base, the nipple is positioned at the upper part of the areola, a through hole is formed at the center of the nipple, and the seal cartridge is arranged at the upper part of the nipple; and the drainage tube runs through the through hole and the seal cartridge, and the outer wall of the drainage tube is closely attached to the seal cartridge. According to the collection device, the problem that defecation flows out along the drainage tube can be solved.

The invention discloses a frame gluing and tabletting device applied to the assembly of a speaker. The frame gluing and tabletting device comprises a movable body frame, a main rack and a gluing support, wherein the gluing support is fixed on the main rack, and a gluing mechanism and a compression cylinder are arranged on the gluing support; a transverse movable support plate is fixed on each of left and right sides of the top surface of the main rack, and two ends of a plurality of transmission screws and guide rods are hinged to the two corresponding transverse movable support plates. According to the frame gluing and tabletting device, the frame placed into a frame holder can be automatically rotated, lifted and moved, and thereby gluing is automatically performed and elastic sheets are automatically placed and compressed, and manual operation is not needed in each process, thus being very convenient; and meanwhile, the positions of the gluing mechanism and the compression cylinder can be automatically adjusted according to requirements, the adjustment effect is good, and glue can be uniformly extruded out by the gluing mechanism from the discharge head to drip to the frame according to the requirements, and the discharge head can be automatically sealed to prevent the glue from flowing out when not in use, thus being very convenient.

The invention discloses a filling robot suitable for liquid filling production lines. The robot is erected at two sides of a conveying belt for conveying filling bottles and comprises a filling device and a positioning and leakage catching device, wherein the filling device is driven by a motor to do reciprocating motion in the vertical direction to carry out filling; the positioning and leakage catching device is driven by a motor do the reciprocating motion in the horizontal direction to carry out pabam positioning and leakage catching; and a pabam positioning mechanism and a leakage catching mechanism are linked. The filling bottles are sequentially cycled under the driving of a motor to reach a working position on the conveying belt; the filling device is driven through gas pressure; and the filled liquid quantifying is realized through the balance between the gas pressure and the hydraulic pressure. The filling robot disclosed by the invention has the advantages that the pabam positioning, the automatic filling and the automatic quantifying which are carried out on the filling bottles and the leakage catching after the filling is completed in the filling production can be automatically completed and the manual intervention is not needed, so that the production efficiency is increased by a large margin; and the problems that the conveying belt is polluted by the leaked liquid and multiple filling amounts are not uniform are solved.