103results about How to "Pressure controllable" patented technology

The invention discloses a robot parallel polishing system which comprises a coarse polishing system, a refined polishing system, a base component, a system control cabinet, a pneumatic control cabinet, a robot vision self-positioning system, workpieces and a working table. The workpieces with large free curved faces can be coarsely and finely polished through the polishing systems at the same time, simultaneous polishing on the two same workpieces can be achieved, the polishing accuracy can be effectively guaranteed, and the polishing efficiency is improved. Before the robot parallel polishing system works, the polishing areas are divided by path generative software according to three-dimensional models of the workpieces, the polishing paths are generated, standards of the workpieces are rapidly and accurately demarcated through the robot vision self-positioning system, two industrial robots drive a pneumatic polishing head to conduct coarse polishing and refined polishing on the polishing areas according to the planed paths, the pneumatic mild force control technology, the normal polishing force control technology and the path real-time calibration compensation technology are adopted in the polishing process, and the polishing accuracy and the coincidence of the polishing quality are effectively guaranteed.

A built-in high-speed spindle double-sided on-line dynamic balance device and a control system thereof belong to the fields of the precision and ultra-precision processing and the automation. The reconfiguration of the unbalance amounts of two balancing heads on a spindle system is controlled to change the unbalanced state of the system. The balance disc of each balancing head is pushed by an oil bag-friction resistant reed mechanism, wherein a 120-degree angle is formed between the oil bag and the friction resistant reed circumferentially. A reset reed is used to ensure that the balance discs are closely meshed with the spindle in normal operation. In the separation process, the reset reed is used to ensure that the balance discs perform differential motion relatively to the spindle stably. The control system can be used to realize the schemes such as multi-path signal simultaneous acquisition, signal parallel processing and multi-path signal parallel output and reduce the balance time; and the system combines the oil drainage advanced angle to output control signals, adjust the positions of the four balance discs respectively and increase the control accuracy.

The invention relates to a method for preparing two-dimensional nanomaterial single-layer graphene film on SiO2 substrate directly, comprising (1) preparing substrate and conducting purification treatment; (2) processing block-shaped highly-oriented pyrolytic graphite or natural flake-shaped graphite; (3) preparing the single-layer graphene film sample through mechanical compression method: adjusting pressure within 10kg-20kg, keeping pressure within 5-10min, then releasing the pressure, removing the block-shaped graphite, and taking out the silicon substrate to obtain the single-layer graphene film sample. The method for preparing the single-layer graphene film uses fewer devices, has low cost and high successful rate, and is easy to implement. The raw material is directly contacted with the substrate, accordingly, the pollution to the sample caused by the introduction of other auxiliary media can be avoided. The obtained graphene sample is of a complete sheet shape due to effect of pressure, without folds.

The invention relates to a portable medical cold compress device which comprises a host and a cold compress bag, wherein a water circulating module, a refrigerating module and a detection control module are arranged in the host; the water circulating module comprises a water tank, a heat exchanger, an impeller pump, a three-way reversing valve and a two-way valve; the refrigerating module mainly comprises a micro compressor, a condenser, a throttle valve, an evaporator and a fan; the detection control module mainly comprises a temperature sensor, a pressure sensor, a power supply and a control circuit on the basis of ATmega32; the detection control module detects the temperature and the pressure inside a liquid circuit of the water circulating module, compares the detected temperature and pressure with set cold compress temperature and pressure, enables the water circulating module to operate in different modes and controls the refrigerating module to be started or shut down. The portable medical cold compress device is rapid to refrigerate, is controllable in the cold compress temperature, time and pressure, can implement multi-parameter regulation and is suitable for treatment in hospitals and outdoor on-site rescue.

A transmission belt vulcanizing boiler comprises a gum cover, an inner cavity between a cover plate and a supporting plate, an outer cavity between the gum cover and the transmission belt vulcanizing boiler, a steam inlet and a steam outlet of the inner cavity, and a pressure air inlet and a pressure air outlet of an outer cavity; wherein, the outer cavity is provided with a high temperature steam heating pipe which is provided with a high temperature steam inlet and a high temperature steam outlet. The high temperature steam heating pipe heats the pressure air in the outer cavity, which ensures the temperature requirement of the outer cavity and ensures high heat energy utilization rate. The high temperature steam heating pipe solely regulates the temperature of the outer cavity, thereby the temperature and pressure of the outer cavity being easy to control. The high temperature steam heating pipe is adopted to prevent steam from dissipating. The inner cavity and the outer cavity share a set of steam heating system, thereby saving energy consumption. The steam inlet of the inner cavity is connected with a pumping line, which is beneficial to the full combination of a belt tube and a mould. The transmission belt vulcanizing boiler also has the advantages of raising product vulcanization quality, shortening vulcanization time and saving steam consumption.

A tube blank is disclosed for producing glass receptacles, in particular glass tube vials, glass ampules, or glass syringes, particularly those suitable for pharmaceutical applications, having a tube wall, including two end regions-a first end region and the second end region-the first end region being sealed to form a floor and a ventilation hole being introduced into the tube wall in the region of the end region, distinguished in that the tube end characterizing the second end region has an opening.

The invention is a fractionation method to separate hydrocarbon compound in liquid state. It contains light hydrocarbon removing and heavy hydrocarbon removing processes, and fractionation by using light hydrocarbon separating tower and heavy hydrocarbon separating tower. And separate the liquid-state hydrocarbon compound from lightness to heaviness. The invention has a host of advantages involving high production quality, low cost, high security, wide range of application, and low cost of operation and source consumption.

The invention discloses a full-diameter core holder and a full-diameter core acidification simulation device, and belongs to the field of oilfield chemistry. The full-diameter core holder comprises a heating sleeve and a core holding assembly. The core holding assembly is arranged in the heating sleeve and comprises a first sealing component, a second sealing component and an anticorrosion rubber sleeve. The first sealing component and the second sealing component extend into an accommodating cavity, squeeze the anticorrosion rubber sleeve and close openings in two ends of the anticorrosion sleeve. The full-diameter core holder and the full-diameter core acidification simulation device have the advantages that excellent simulation effects can be realized by the full-diameter core acidification simulation device with the full-diameter core holder, and the simulation automation and the simulation authenticity can be advantageously improved.

The invention discloses a comprehensive quickly-disassembled clamping hoop test system which comprises mechanical structures and a pneumatic loop, wherein the mechanical structures are integrated together, and are used for supplying functions of supporting, mounting, loading, heating and the like to test of a tested piece; and the pneumatic loop mainly comprises a working pressure loop and an operating air pressure loop, and is used for supplying an air pressure source to the test, adjusting the working pressure and the operating air pressure, reversing, measuring and the like. By the comprehensive quickly-disassembled clamping hoop test system, the shortcomings of extremely complicated operation, high time consumption for finishing four tests, high labor intensity, low work efficiency and the like in the prior are overcome; due to one-time clamping, the four tests, namely a working pressure test, a torque test, a bending cyclic test and a pressure cyclic test, of clamping hoops in a specification are finished; and the comprehensive quickly-disassembled clamping hoop test system has the advantage of high automation degree, so that the labor is saved greatly, the test time is shortened, and the work efficiency is improved.

The invention provides a movable multifunctional coal and rock stratum analog simulation experiment table. The experiment table comprises an experiment table frame, a pressurizing cross beam, a base and a bottom plate, the pressurizing cross beam is transversely arranged in the experiment table frame, the two ends of the pressurizing cross beam are fixed to the experiment table frame, the base is arranged below the experiment table frame, and the bottom plate is arranged on a lower frame strip of the experiment table frame; and a plurality of lower pressurizing mechanisms are arranged on the base, through holes are formed in lower frame strips of the experiment table frame, the moving ends of the lower pressurizing mechanisms can pass through the through holes, grooves are formed in the lower portions of side frame strips of the experiment table frame, a plurality of upper pressurizing mechanisms are arranged below the pressurizing cross beam, and a pressurizing plate is hinged to the moving ends of the upper pressurizing mechanisms. The simulation experiment of the inclined coal rock stratum is realized, and the original stress condition of the coal seam is not damaged; adjustment of a model area in the vertical direction, the left-right direction and the front-back direction is achieved, and the equipment cost is reduced; and the pressing pressure is controllable and convenient to adjust.

The embodiment of the invention discloses a circulating ink supply system. The circulating ink supply system comprises an ink supply pipeline and an ink return pipeline, and circulating ink supply iscompleted through an ink barrel, an ink-jet printing head set, a proportional valve set, an ink supply pressure generating device and an ink return pressure generating device. By controlling the pressure at the two ends of a printing head and the ink supply proportion, so that the pressure on a nozzle plate on the printing head is stable, stable work of the printing head is guaranteed, the printing quality is guaranteed through the proportional valve device, the structure of the circulating ink supply system is optimized, the proportional valve easily controls the pressure at the two ends of the ink-jet printing head, the printing quality is guaranteed, and practicability is higher.

The invention provides a doublet closed pore structure foam polymer composite material and a preparation method thereof. The composite material comprises a base material and inorganic nano-fillers, the weight of the inorganic nano-fillers accounts for 0.05wt%-1.0wt% that of the base material, the composite material is provided with large pores and small pores with closed pore structures, the porediameters of the small pores range from 0.5 micrometer to 3 micrometers, and the pore diameters of the large pores range from 5 micrometers to 30 micrometers. The preparation method includes the steps: (1) uniformly dispersing the inorganic nano-fillers into the base material to form the composite material and prepare a formed blank; (2) placing the formed blank into a reactor, increasing the temperature of the reactor to T DEG C, Tg<T<(Tg+20 DEG C), leading CO2 into the reactor until pressure in the reactor reaches 20-30MPa, keeping the formed blank in supercritical CO2 for at least 2 hours,rapidly reducing the pressure in the reactor into normal pressure, foaming the formed blank, and then cooling and shaping the formed blank to obtain the composite material.

The invention provides an inlet device of a silicon carbide deposition apparatus comprising an MTS reservoir, a mixing tank and a buffer tank. The MTS reservoir is provided with a hydrogen input conduit, the hydrogen input conduit opening extends below the MTS liquid level, the top of the MTS reservoir is also provided with a reservoir exhaust port, the reservoir exhaust port is connected to a first air inlet of the mixing tank through a first pipe, the mixing tank is provided with a second air inlet, the second air inlet is used fir inputting argon, the mixing tank is provided with a mixing tank exhaust port, the mixing tank exhaust port is connected with the inlet of the buffer tank through a second pipe, and the buffer tank is provided with a buffer tank exhaust port. The buffer tank exhaust port is connected with a furnace of the silicon carbide deposition apparatus through a third pipe. The air inlet device of the invention sets the mixing tank and the buffer tank. After the process gas passes through the two tanks, the pressure fluctuation can be reduced and the pressure of the gas can be controlled more easily.

The present invention discloses a device for measuring adsorption/desorption of contaminants onto surface bed sediments and a method of using the device. The measurement device includes a sediment sample disc, a sample holder, a reaction cylinder, a liquid collection cylinder, and a liquid circulating member from inside to outside, the liquid circulating member consisting of rubber pipes and a peristaltic pump. According to the method of using the device for measuring the adsorption/desorption of contaminants onto surface bed sediments, the full contact of bed sediments with pore water and the full exchange of overlying water with pore water are realized through liquid circulation without changing the arrangement modes of the bed sediments; any thickness of bed sediments can be performed on experiments, particularly for thin-layer bed sediments; and natural permeation and accelerated permeation of pore water through bed sediments can be switched simply by adjusting the flow rates of the peristaltic pump and by opening/closing of vent holes. Adsorption characteristic parameters obtained through the device and the method provide, for water quality models, data support which conforms to the natural existing condition of bed sediments and is more scientific and reasonable, and the device and the method achieve significant environmental benefits.

The invention discloses a multi-stage yielding contracting type steel frame based on constant-resistance sliding hole shearing losses and a connection method thereof. The multi-stage yielding contracting type steel frame comprises a contracting type steel frame unit, an ordinary steel frame unit, a contracting type joint and a common joint. A sliding end of the contracting type steel frame unit isconnected with the ordinary steel frame unit through the contracting type joint; the contracting type steel frame unit can be contracted in the contracting type joint; and the ordinary steel frame unit employs a common joint for connection. According to the invention, the contracting type joint is connected with the steel frame unit firmly and the steel frame has the certain bending-resistant andshearing-resistant performances; a sliding assembly employs a protection cover for protection, so that the influence on the joint by concrete spraying is avoided greatly; with full utilization of themechanical property of the steel product, the profile steel, steel plate, bolt and the like are ordinary materials at a construction site, so that processing becomes convenient and material are simple and easy to use; all assemblies are dismounted conveniently and no construction procedure is increased; welding and slot hole opening are carried out on the contracting type steel frame joint; splicing is carried out in a tunnel; the construction is done simply and conveniently; and the multi-stage yielding contracting type steel frame and the connection method thereof are easy to popularize.

The invention provides a device and method for regulating humidity of coal powder by utilizing microwave preheating. The device comprises coal storage tanks, a pulverizer, two buffer bins, a microwave box, a microwave device, an exhaust fan, a condenser, conveyer belts, a detection device and the like. Single coals enter the respective coal storage tanks via belt-type machines; an automatic coal blending device is arranged below each coal storage tank; the feed amount is controlled according to the given value, the coal is sequentially spread on a coal blending belt, enters the pulverizer to be pulverized, and enters the two buffer bins; and the coals enter the microwave box through the respective conveyer belts, so that the continuous coal feed is converted into intermittent coal feed. Microwaves generated by a microwave source in the microwave box are transmitted to the coking coal in the microwave box without any loss so as to form a uniformly-distributed microwave field and humidify the coking coal. A detection control device is utilized to keep the water content of the coking coal to be 6-7%, the coking coal is continuously sent into the coal tower by the belt-type machine, and the vapor generated in the humidifying process is discharged, condensed and sent to a water collection tank. The device has the advantages of high humidifying efficiency, favorable uniformity and energy saving, and can enhance the coke quality.

This invention relates to a device for fully utilizing H2 and O2 of fuel cells including a H2 or O2 main pipeline, a H2 or O2 inlet pressure adjusting valve and a fuel cell stack, in which, the main pipeline is connected with the inlet and is set with a branch pipeline on the same direction, the other end of which is connected with the outlet of them, the inlet pressure adjusting valve adjusts the pressure of the H2 or O2 entering into the fuel cell stack to ensure that the H2 or O2 measurement ratio providing the stack is greater than 1.0 and the rest coming out from the outlet of the stack enters into the main pipeline by being absorbed by the branch one to be used in circulation.

The invention discloses a steel ball assembly structure for a car seat slide rail assembly, which includes a simulated outer slide rail for cooperating with an inner slide rail, and in a mated state, a simulated steel ball for accommodating steel balls is formed between the two space; the dimension configuration of the simulated outer slide rail is: the size of the simulated steel ball space gradually decreases along the length direction of the simulated outer slide rail, and the steel ball can be embedded in the minimum size The simulated steel ball spaces and gaps are embedded in the simulated steel ball spaces with the largest size. When the steel ball assembly structure disclosed in the present invention is used to assemble the slide rail assembly, the inner slide rail, the steel ball and the steel ball cage are loaded into the simulated outer slide rail, and then the three are pushed from the large-size end of the simulated outer slide rail to the small The size end, and then push the three into the actual outer slide rail to complete the assembly, which makes the assembly of the slide rail assembly simple and easy, and effectively avoids damage to the slide rail assembly during the assembly process.

The invention discloses a portable ophthalmic liquid dropping device. The device comprises a bottom pad, a base, a bracket, a liquid medicine dropping mechanism and a liquid medicine bottle, wherein the liquid medicine dropping mechanism is fixedly mounted on one side of the upper end of the bracket; the liquid medicine bottle is clamped in the liquid medicine dropping mechanism. The bottom pad ismade of sponge, and the bottom pad and the base are consistent in shape, so that the comfort of the liquid dropping device in contact with a patient is enhanced; and the liquid medicine dropping mechanism is arranged, the upper end of the liquid medicine bottle is fixed conveniently by a fixing body, and the bottom pad clamps and fixes the bottleneck of the liquid medicine bottle. The device is simple in structure and convenient to dismount and mount, can be matched with a sold liquid medicine bottle for use, greatly facilitates replacement of the liquid medicine bottle and omits tedious personal filling; and a pressing mechanism is arranged, a user only needs to press a pressing disc with the thumb during liquid dropping, the pressing disc drives an extrusion disc to extrude the liquid medicine bottle through a guide column, liquid medicine in the liquid medicine bottle drops, and the device is simple in structure, convenient to operate and controllable in force.

The invention discloses a manipulator device and method suitable for a film pasting machine. The manipulator device comprises an electric control box, a vertical control motor, a transverse displacement motor and a film pasting hand; a pressure detecting device is arranged above the electric control box; an object placing table is arranged above the pressure detecting device; a human-computer interaction device is arranged in middle of the electric control box; the vertical control motor is arranged in a bottom shell, and is connected with a mechanical arm through a support column; the transverse displacement motor is arranged in the mechanical arm; a steering rod is arranged on the side of the mechanical arm; the film pasting hand is arranged at the tail end of the transverse displacementmotor; and an infrared positioning camera is arranged on the side of the film pasting hand. The manipulator device has the advantages of controllable pressure and high automation and intelligence degree, can guarantee the film pasting effect, prevents damage to electronic elements by higher pressure, improves the yield of the electronic elements, and improves the economic benefit.

The invention relates to a noninvasive muscle bone joint detection corrector which comprises a massage contact, a connecting rod, a vibration generator and a numerical control system, wherein the vibration generator is arranged in a body; one end of the massage contact is fixedly connected with the connecting rod; the rod body of the connecting rod, positioned in the body, is divided into a driven part and a positioning part; the driven part is in fit connection with the vibration generator capable of enabling the connecting rod to reciprocate; the positioning part is in fit connection with a positioning sleeve capable of preventing the connecting rod from rotating axially; and the positioning sleeve is fixed in the body. The noninvasive muscle bone joint detection corrector provided by the invention consists of the massage contact, the connecting rod, the vibration generator, a force sensor and the numerical control system; the massage force is detected through the force sensor, and the vibration frequency of the vibration generator is controlled by the numerical control system; and the noninvasive muscle bone joint detection corrector is applicable to the massage force on the muscle bone joints at different body parts, realizes contact type vibration correction and stimulates the muscles and nerves around the joints to make the hardened muscles and nerves move and the deformed and displaced joints reset so as to achieve an aim of correction.