126results about How to "Open and close quickly" patented technology

A particle therapy system that includes at least one irradiation chamber, in which an object is irradiated with a treatment beam, an antechamber, which is screened off from radiation occurring in the irradiation chamber and from which access is made to the irradiation chamber, and an access area, which leads to the irradiation chamber and connects the irradiation chamber to the antechamber, is provided. A support for a patient moves along a path of travel from the antechamber, through the access area, to the irradiation chamber. A radiation protection door is arranged in the access area, and the access area is configured geometrically in such a way that the path of travel in the access area is substantially rectilinear.

The invention discloses a device for detecting tumor character by Raman spectrum. The device comprises a spectrometer module, a sampling module and a control and data processing module, wherein the spectrometer module comprises a laser light source and a Raman spectrometer; the laser light source is used for providing the laser needed by detection; the Raman spectrometer is used for acquiring the Raman spectrum of a sample to obtain a digital signal containing sample molecular information; the sampling module comprises optical fibers and an optical fiber probe; the optical fiber probe is used for collecting the Raman spectrum; the laser light source is connected with the optical fiber probe by the optical fiber, and the optical fiber probe is connected with the Raman spectrometer by the optical fiber; the control and data processing module comprises an embedded microprocessor which is respectively connected with the laser light source and the Raman spectrometer, so that the Raman spectrometer and the laser light source can be controlled in the detection process; and the control and data processing module can be used for judging the tumor character by processing the spectral data after reading the digital signal acquired by the Raman spectrometer. The portable device supports in vivo or in vitro test and is capable of carrying out rapid clinical diagnosis on the tumor character.

A particle therapy system that includes at least one irradiation chamber, in which an object is irradiated with a treatment beam, an antechamber, which is screened off from radiation occurring in the irradiation chamber and from which access is made to the irradiation chamber, and an access area, which leads to the irradiation chamber and connects the irradiation chamber to the antechamber, is provided. A support for a patient moves along a path of travel from the antechamber, through the access area, to the irradiation chamber. A radiation protection door is arranged in the access area, and the access area is configured geometrically in such a way that the path of travel in the access area is substantially rectilinear.

A temp measuring system of coke-oven consists of ring rail, automatic temp measuring unit with optical probe, communication head and top position computor. The measuring method includes carrying out real measurement by scanning temp inside oven at measuring hole on vertical fire channel, transmitting measured data to top position computer through cabled communication line, calculating out temp for each vertical fire channel and controlling coke-oven heating system.

The invention relates to a hand-actuated drain plug that comprises a tubular member having a proximal head and a distal body adapted to engage a tubular port. The head of the plug has an annular end with at least two surface areas corresponding to an open and closed position. The tubular member defines an axially aligned bore. The plug includes a cap top that comprises a proximal flange coupled to a stem. The flange has a distally oriented surface that is adapted to be placed in orientation with the two surface areas of the annular end corresponding to open and closed positions. The other end of the stem is coupled to a bushing that is sized to fit and slide within the bore of the tubular member. A biasing member positioned between the stem and the tubular member is compressed to bias the plug to a closed position.

The invention relates to a vacuum angle seat valve which comprises a valve body; one end of the valve body is provided with an inlet, and the other end thereof is provided with an outlet; a valve seat is arranged between the inlet and the outlet; a valve core and the valve seat are arranged in a sealing way; the valve core is connected with a valve rod; after the valve rod passes through a free chamber, the rail end of the valve rod is arranged in a control chamber, and the valve rod is also connected with a reset device; the control chamber is connected with the valve body through the free chamber; a sealing device is arranged between the control chamber and the free chamber; simultaneously, the valve body and the free chamber are separated in the sealing way; and the control chamber is provided with a control chamber interface, the outlet is provided with a vacuum taking port, and the control chamber interface and the vacuum taking port are connected with a vacuum controller. The vacuum angle seat valve is characterized by resource saving, quick on and off, good sealing, no easy blockage, low price, light weight and relatively better reliability and maintenance.

A device is provided for use in covering a danger area on a roll changer that can carry at least one roll of material to be directed to a rotary, web-fed printing press. A cover is provided with a drive that can move the cover. A control unit is provided to control the drive for the cover. The cover is closed in a first operational state and is open in a second operational state. The roll of material, that is supported by the roll changer, has a first rotational speed or web speed when the cover is in the first, closed operational state. In the second, cover opened, operational state, the roll of material also has a second rotational or web speed which is greater than zero. A method for controlling a device on a roll changer is also disclosed.

A device is provided for use in covering a danger area on a roll changer that can carry at least one roll of material to be directed to a rotary, web-fed printing press. A cover is provided with a drive that can move the cover. A control unit is provided to control the drive for the cover. The cover is closed in a first operational state and is open in a second operational state. The roll of material, that is supported by the roll changer, has a first rotational speed or web speed when the cover is in the first, closed operational state. In the second, cover opened, operational state, the roll of material also has a second rotational or web speed which is greater than zero. A method for controlling a device on a roll changer is also disclosed.

The invention relates to cosmetic mask powder which comprises the following raw materials in parts by weight: 10-50 parts of almonds, 10-50 parts of radix asparagi, 10-50 parts of poria cocos, 10-50 parts of asarums, 10-50 parts of radix angelicae, 10-50 parts of saponin, 10-50 parts of radix ampelopsis, 10-50 parts of grape pips, 10-50 parts of stiff silkworms and 10-70 parts of pearls. The cosmetic mask powder provided by the invention has the functions of whitening skin, removing freckles, compacting skin, moisturizing skin and replenishing moisture, has convenience and safety in use and is effective in treatment.

The present invention discloses an organic light-emitting display device and a manufacturing method thereof. The organic light-emitting display device includes a switching thin film field effect transistor, a driving thin film field effect transistor, and a storage capacitor connected with the switching thin film field effect transistor and the driving thin film field effect transistor; the switching thin film field effect transistor is provided with a first active layer for reducing the subthreshold swing of the transfer characteristic curve of the switching film field effect transistor; and the driving thin film field effect transistor is provided with a second active layer for increasing the subthreshold swing of the transfer characteristic curve of the driving thin film field effect transistor. According to the organic light-emitting display device of the invention, fast switching on and switching off of the switching thin film field effect transistor and slow debugging of the grayscale of an OLED (Organic Light Emitting Diode) by the driving thin film field effect transistor can be simultaneously realized.

The invention provides an atomizer air inflow pipeline adjusting assembly for atomized metal powder production. The atomizer air inflow pipeline adjusting assembly comprises a rotary plate and a fixedplate. The atomizer air inflow pipeline adjusting assembly is characterized in that the periphery of the rotary plate is embedded into an annular groove of a pipeline, the fixed plate is parallel tothe rotary plate, the rotary plate is attached to the fixed plate or a 0.5-1 mm gap is reserved between the rotary plate and the fixed plate, vent holes are formed in the rotary plate, fixed plate vent holes are formed in the fixed plate, and the vent holes can coincide with the fixed plate vent holes by rotating the rotary plate to enable a pipeline to be ventilated or the vent holes and the fixed plate vent holes are completely staggered to enable the pipeline to be closed. Rotation of the rotary plate is driven by a plectrum assembly, the rotary plate is driven to rotate in a friction or engagement manner, and therefore opening and closing of the pipeline are achieved. By means of the assembly, the air inflow pipeline can be rapidly opened and closed, in cooperation with the operation of replacing metal bars, equipment losses are reduced, and the equipment failure rate is reduced.

The invention discloses a quenching apparatus and method of red coke in the coking industry. A quenching tank comprises a quenching tank body with the top provided with a red coke feeding opening and with the bottom provided with a coke discharging opening, a red coke feeding opening tank cover, and a coke discharging opening sealing mechanism; the upper portion of the quenching tank body is provided with a steam discharging opening and a waste gas discharging opening, the steam discharging opening is connected with a steam purifying device, and the waste gas discharging opening is connected with the inlet of a waste gas treatment device or is directly connected to atmosphere; and the wall of the quenching tank body is provided with water spray tubes for spraying water to the tank, the water spray tubes are respectively arranged in a layered manner along the height direction of the quenching tank, the water spray tubes in various layers are individually fed with water or / and different circumferential parts of the same layer are individually fed with water, the radial center position of the quenching tank body is provided with a water spray tube for spraying water to coke in the quenching tank, and the center water spray tube is individually fed with water. The apparatus and the method have the characteristics of less investment, low running cost, short quenching time, heat energy recovery and no pollution.

The invention discloses a power-driven water feeding valve for a passenger train. The power-driven water feeding valve comprises a valve body, a valve cover, a connecting nut, a connecting flange, a worm reducer, a valve rod, a motor and a spring; the valve cover is fixedly arranged above the valve body; the connecting nut is in screw joint with the interior of an opening in the top of the valve cover; the connecting flange is arranged above the valve cover; the worm reducer is fixedly arranged at the top of the connecting flange; a vertically-arranged valve rod is in screw joint with the interior of the connecting nut, and the bottom end of the valve rod penetrates the valve cover to be arranged above a water inlet of an inner cavity of the valve body; the top end of the valve rod penetrates a vertically-arranged output shaft hole of the worm reducer to be arranged above the worm reducer; a spanner is movably inserted in the top end of the valve rod in a split manner; and a shaft of the motor is inserted into a horizontally-arranged input shaft hole of the worm reducer. The power-driven water feeding valve has the beneficial effects that opening and closing motion is more rapid, water resource management is better strengthened, and waste is reduced; remote operation facilities the improvement of water feeding operation efficiency, and the labor strength of staff is reduced; and manual and automatic integrated design is adopted, so that safety production is better guaranteed.

The invention relates to the technical field of a floor drain, and particularly provides a floor drain display device. The floor drain display device includes a sewer display part and an anti-water returning display part. The sewer display part includes a water inlet pipe, a water tank, and a sewer pipe; a pipe mouth of the water inlet pipe is arranged above the water tank; the bottom of the water tank is provided with a sewer opening for installing the floor drain; the sewer pipe communicates with the sewer opening; the bottom end of the sewer pipe is provided with a sewer stop valve. The anti-water returning display part includes a water returning test tank and a water returning test pipe; a position of the bottom of the water returning test tank is higher than a position of the bottom surface of the water tank; one end of the water returning pipe communicates with the bottom of the water returning test tank, and the other end communicates with the sewer pipe, wherein a communication position is positioned between the sewer opening and the sewer stop valve; and the water returning test pipe is provided with a water returning test valve. Through the floor drain display device, product performance of the floor drain can be displayed from different angles.

A pocket on a bag is operable between a collapsed configuration, in which the pocket overlies the bag, and an expanded configuration, in which the pocket opens to form a cavity for holding a water bottle or other items. The pocket and the bag each comprise a pair of attachment devices that are automatically or magnetically attached to each other when the pocket is in the collapsed configuration. The pocket includes a collapsible panel secured to the bag and that is adapted to collapse when the pocket is moved to the collapsed configuration.

The invention discloses a portable lightning arrester testing box. The upper end face of a lower box body is provided with a square sunken groove, and the left end of a telescoping insulating rod is hinged to the left end of the square sunken groove and can be turned upwards by 90 degrees in a vertical plane. A cover plate is disposed at the upper end of the square sunken groove, and cooperates with the square sunken groove through employing a sliding rail cooperation structure. The cover plate is provided with a positioning clamping bock, and an outer vertical end face in a left / right direction of the positioning clamping block is provided with an arc-shaped notch. A free end of the telescoping insulating rod is provided with a fixing device. The right end of the square sunken groove is provided with a wire duct which extends downwards, and a part, corresponding to the center of the right side surface of the wire duct, of the right side of the wire duct is provided with a limiting slot cooperating with a limiting insertion block. The box is simple and compact in structure, enables a part to have a plurality of functions, and reduces the number of used parts. Moreover, the box is portable, can achieve on-site testing of a lightning arrester after power failure, does not need to consume a large amount of money to purchase new equipment, shortens the power-failure inspection and maintenance time for testing, and meets the requirements for expanding power supply and broadening marketing scope for the high-quality services of a power enterprise.

The invention discloses a novel fixed pressure ring type fast opening blind plate and an opening and closing method of the novel fixed pressure ring type fast opening blind plate. The inner and outer surfaces of a door cover of the blind plate are both spherical curve surfaces, the weight is light, a fixing ring and pressure ring structure is adopted between the door cover and a tube body flange and is used for mainly bearing the pressure stress, safety and reliability are realized, and the stress is good. After the door cover is closed, a seam between the door cover and the tube body flange is provided with a position limiting ring capable of vertically sliding, the fixed pressure ring is limited in a specified position and cannot move, and safety and reliability are realized. The outer edge of the door cover is aligned with the upper surface of the tube body flange, in addition, a dustproof ring is adopted for sealing, and wind and sand invasion is prevention. Meanwhile, the blind plate is provided with a safe interlocking and pressure sound and light warning linkage device.

The invention belongs to the technical field of valves, and relates to a protection system of a high-temperature and high-pressure valve, in particular to a protection technology specific to the highpressure difference before and after opening of the high-temperature and high-pressure valve. An outlet of a high-temperature valve is connected with a protection valve. A spray pipe is connected withthe rear portion of the protection valve. The protection valve controls a piston to move up and down by adjusting pressure in an air cylinder, a valve element is driven to move up and down through avalve rod, and rapid opening and closing of the valve are achieved. Certain flow of constant temperature air by opening the protection valve, thus, the pressure of the outlet and the pressure of an inlet of the high-temperature and high-pressure valve are in a relative balance state, and safe and reliable operation of the valve under the high-pressure working conditions is ensured. The high-temperature and high-pressure valve can be applied to heat accumulation type heater systems and experimental equipment and other industrial fields.

The invention discloses quick opening / closing equipment for a valve of a petroleum transmission pipeline. The quick opening / closing equipment comprises a casing, wherein a handle is arranged on the surface of the casing; a round hole is formed in the side face of the casing; an electric motor is arranged in the casing; one end of a rotary shaft is connected with a rotating shaft of the electric motor; the other end of the rotary shaft penetrates through the round hole and is connected with the center of a disk; one end of each of three fixed rods is connected with the disk; the other end of each of the three fixed rods is connected with a clamping structure; each clamping structure comprises a first clamping sheet and a second clamping sheet; one end of each fixed rod is connected with the back side of the corresponding first clamping sheet; N screw holes are formed in each of the first clamping sheet and the second clamping sheet; bolts sequentially penetrate through the screw holes in the corresponding first clamping sheet and the corresponding second clamping sheet and are connected with nuts in a matching manner. The quick opening / closing equipment realizes the technical effects that the valve of the petroleum transmission pipeline is quickly opened or closed, the efficiency is higher, the labor cost is reduced, and safety accidents do not easily occur.

The invention discloses an outdoor fire hydrant monitoring system and a detection method thereof. The system comprises a measurement module, a control module, a communication module, a power supply module, a data management and data analysis module and a terminal access module. The measurement module adopts a plurality of high-precision sensors to jointly measure, particularly adopts a micro turbine flowmeter, and realizes the function of a large-size flowmeter at the cost of 20 yuan under the condition that the error precision is less than 1%. And the adopted valve opening and closing sensornot only effectively provides water resource safety protection, but also can quickly respond to the water demand. The communication module effectively and uniformly distributes the number reporting time of the Internet of Things terminal equipment to the time period of the number reporting period, thereby avoiding possible network congestion. And the data management and data analysis module realizes visual feature interpretation, accurate anomaly detection and unified classification management of the fire hydrant data based on an anomaly detection algorithm and a clustering analysis algorithmof machine learning. Scientific management and comprehensive and timely monitoring of the fire hydrant are effectively realized, and the management difficulty is reduced.

The invention discloses a post-circumcision-operation nursing device. The post-circumcision-operation nursing device includes a waistband, a penis sleeve and a plurality of connection strips; the penis sleeve includes a penis body sleeve and a penis head sleeve, wherein one end of the penis body sleeve is connected with the waistband through the connection strips, and the other end of the penis body sleeve is connected with the penis head sleeve. The post-circumcision-operation nursing device can protect a wound in advance after an operation to avoid friction between the wound and a underwearwhen a patient wears the underwear after the operation, so that the patient's pain is relieved; the post-circumcision-operation nursing device can also solve the problems that in the prior art, it isnot convenient to observe the wound and urine easily contaminates the wound when the patient pees.

The invention discloses a rollover prevention device of a pneumatic braking heavy vehicle, and a control method. The rollover prevention device comprises an anti-yaw module, an anti-roll module, an electronic control unit (ECU), a yaw angular velocity sensor and a vehicle body roll angle sensor; the ECU controls the anti-yaw module to braking parts of wheels through solenoid valves mounted in front of braking gas chambers of all the wheels based on pneumatic braking, thus the anti-yaw moment is obtained, and the yaw stability of the heavy vehicle is improved; and meanwhile, the ECU controls the anti-roll module to work, high-pressure gas remaining in the braking gas chambers after braking is recovered, the recovered high-pressure gas is sprayed out towards the left side or the right side of a vehicle body through a first switching valve and a second switching valve, and the vehicle body roll angle is decreased through counter-acting force of the high-pressure gas. The structure is simple, mounting is easy, meanwhile yaw motion and roll motion of the heavy vehicle are controlled, braking energy recovery and vehicle rollover prevention are combined together, thus energy is saved, andthe rollover prevention effect is good.

The invention discloses a tire mounting structure and an application method thereof. The sliding friction between clamping jaws and groove walls can be changed to the rolling friction by rollers, so that the loss between horizontal grooves and the clamping jaws is reduced; a motor rotates at a constant swinging angle, so that the quick movement of the clamping jaws in the horizontal grooves can be realized; and a limiting structure can keep the rotation of the output end of the motor in a fixed angle range.

The invention discloses an electrically controlled pneumatic shunt valve. The electrically controlled pneumatic shunt valve comprises an air inlet pipe, an air opening, rubber membranes, a tension spring, a piston, a water outlet, a plugging plate, a filter screen, a water inlet pipe, a manual plug, two-position three-way magnetic valves, a valve body, a shell and a bottom plate, wherein the three two-position three-way magnetic valves are connected in series through the air inlet pipe and mounted on the air opening of the shell; the valve body is fixed in an inner cavity of the shell; the piston is supported and suspended on the valve body through the tension spring, the upper end of the piston is sealed through one rubber membrane so that the upper end of the piston and the shell can form an air chamber, and the lower end of the piston is sealed through the other rubber membrane pressed by the plugging plate so that the lower end of the piston and the valve body can form a small cavity; the valve body is provided with the water outlet in the position of the small cavity; the bottom of the valve body is sealed through the bottom plate so that a master cavity can be formed; the filter screen stretches cross the master cavity of the valve body, one end of the filter screen is connected with the valve body through the manual plug, and the other end of the filter screen is fixedly connected with the valve body through the water inlet pipe. By adoption of a two-position three-way magnetic valve control system, the electrically controlled pneumatic shunt valve is large in flow, easy and convenient to clean and convenient to mount, the service life is longer than five years, and cost is reduced by 50%.

The invention belongs to the technical field of petroleum equipment, relates to a flashboard blowout preventer, in particular to a flashboard blowout preventer with a composite side door. The flashboard blowout preventer with a composite side door comprises a shell with a flashboard built in, and side doors arranged on the two sides of the shell in a matched mode. flashboard shafts connected withthe flashboard penetrate through the side doors, the key points are as follows: the side doors comprise an outer side door and an inner side door, the outer side door is connected and positioned on the shell through bolts, the front end of the inner side door is positioned in an inner cavity of the outer side door through a clamping jaw type connecting device and provided with a cavity matched with the flashboard and a flashboard shaft and an installing hole, an opening and closing rod penetrates through the inner side door and the outer side door to be positioned on the shell, and the inner side door and the outer side door have direct opening and direct closing freedom degrees along the opening and closing rod. A double-layer side door structure is adopted, and the inner side door can beopened and closed independently, so that the side door is compact in overall structure and labor-saving and rapid to open and close.

The invention provides a polymer injection high-pressure ball valve driven by a worm wheel and a special product for an oil deposit polymer injection project. The ball valve comprises a valve body, a double-end bolt, a flange, padding, an O-shaped ring, a valve seat, a sphere, the padding, a valve rod, the O-shaped ring, a loop bar, a bolt, a flange seat and a worm wheel device, wherein the padding between the valve seat and the sphere uses nylon products as sealing face padding which is the soft forming padding and good in sealing property, a force unloading device uses a worm wheel and worm transmission mechanism, a circular hand wheel installed on the worm wheel device controls an on-off state of the valve. The ball valve has the advantages of being small in hydraulic resistance, a resistance coefficient is equal to a tube section with the same length with the ball valve, and the ball valve also has the advantages of being low in solution shear rate, saving time, saving labor, opening and closing quickly through adoption of a worm driving device. Because of adoption of the nylon sealing face padding which is good in sealing property, the ball valve is long in service life, small in occupied area, light in weight, convenient to operate, simple in structure, convenient to dismantle and replace, convenient to maintain and the like.

The invention discloses a tunnel protection door with an automatic opening and closing function, and belongs to the technical field of tunnel protection door related technologies. An electric switch assembly and an automatic door opening and closing device are arranged on a hand wheel lock corresponding to the tunnel protection door, the electric switch assembly is utilized to realize automatic opening and closing of the hand wheel lock, and a door body can be opened or closed by utilizing the automatic door opening and closing door device. Automatic opening and closing of the tunnel protection door are achieved through the cooperation of the electric switch assembly and the automatic door opening and closing device. The tunnel protection door with the automatic opening and closing function is simple in structure and can be remotely controlled, and the door body can be effectively and rapidly opened or closed. By setting the priority level sequence of opening and closing control over the protection door and arranging an anti-pinch assembly and an resistance-meeting rebounding assembly, the use safety of the protection door can be greatly improved, the difficulty of door body control is reduced, the time for emergency evacuation through the tunnel protection door is shortened, the escape efficiency is improved, the operation safety of a tunnel is guaranteed, and the tunnel protection door is good in application and popularization value.

The invention provides a drive component in an automobile sunroof and belongs to the technical field of machinery. The drive component in the automobile sunroof comprises a main oil cylinder, a first connecting rod, a second connecting rod and an auxiliary oil cylinder, wherein a cylinder body of the main oil cylinder is hinged to an automobile, a piston rod of the main oil cylinder is fixedly connected with the inner end of the first connecting rod circumferentially, the first connecting rod is capable of translating axially relatively to the piston rod, the outer end of the first connecting rod is hinged to the inner end of the second connecting rod, the outer end of the second connecting rod is used for being connected with the sunroof, a cylinder body of the auxiliary oil cylinder is hinged to the second connecting rod, and a piston rod of the auxiliary oil cylinder is hinged to the first connecting rod. The drive component in the automobile sunroof solves the problem that the sunroof is slow to open and close in the prior art, and is capable of increasing sunroof opening and closing speed.

The invention discloses a rapidly opened and closed electric folding door. The door mainly comprises a door frame, a door leaf, a push and pull small door leaf, a rotating small door leaf, a motor, alarge gear, two small gears engaged with the large gear and two slider-crank mechanisms, a rotating shaft is fixedly connected with a main motor output shaft, two cranks are hinged to the upper end faces of the two small gears engaged with the large gear correspondingly, when the large gear rotates, the push and pull rotating leaf and a main rotating leaf rotate in the same direction, the small push and pull door is drawn back under the effect of tension of a rack while rotation is carried out, a rack on the other side enables a gear shaft to rotate under the effect of a push rod, a sub rotating leaf can be driven to rotate to be close to a main rotating leaf while rotation is carried out, when a lifting motor is started, a rotating shaft is lifted upwards under the effect of a screw, a main motor is started, the push and pull rotating leaf and the main rotating leaf cannot rotate, the small push and pull door and the sub rotating leaf still can do push and pull and rotation action, and the door has the advantages of being rapid in opening and closing, diverse in function and capable of meeting different use needs.

A plant growth regulator composition is disclosed. The composition includes an active component A that is sodium tungstate and an active component B that is 5-aminolevulinic acid in a weight ratio of1:(0.5-2.8). A preparation including the composition is also provided in which the total weight percentage of the active component A is 0.1-50%, and in which the total weight percentage of the activecomponent B is 0.1-50%. The dosage form of the preparation is any one of an aqueous agent, soluble powder, soluble particles, powder, tablets and wettable powder. The composition and the preparation can be used for plant photosynthesis and respiration, can break seed dormancy and can improve fruit yield and quality.