27results about How to "No change" patented technology

The invention relates to the field of conveying, in particular to a gap bridge conveying mechanism and a formic acid furnace. The gap bridge conveying mechanism comprises a first conveying line, a second conveying line and a gate gap bridge unit, and the first conveying line is configured in the first furnace chamber so as to convey trays; the second conveying line is configured in the second furnace chamber so as to convey the trays; the gate gap bridge unit is arranged between the first furnace chamber and the second furnace chamber and comprises a supporting bridge, an elastic element, a door frame, a gate and an opening and closing power assembly. The opening and closing power assembly is used for driving the gate to move so as to open or close the door hole. The supporting bridge is movably arranged in the door frame; the elastic element is used for applying elastic force to the supporting bridge to enable the supporting bridge to reach a working position; and the supporting bridge at the working position is used for supporting a tray which is transferred between the first conveying line and the second conveying line and passes through the door hole. Trays can be stably conveyed between the first conveying line and the second conveying line, and the positions of products in the trays are prevented from being changed.

The invention relates to the technical field of manufacturing of agricultural machinery chopping systems, in particular to a welding device and method for welding a knife roll and a movable knife holder machining method. The device comprises a flexible platform, a rotating mechanism and a clamping mechanism, wherein the rotating mechanism and the clamping mechanism are vertically mounted on the flexible platform; the rotating mechanism comprises a fixed seat, a rotating seat and a positioning boss, the fixed seat is mounted on the flexible platform, the rotating seat is rotatably mounted at the top of the fixed seat, the positioning boss is mounted at the top of the rotating seat, and the fixed seat, the rotating seat and the positioning boss are coaxially arranged; the roller is vertically placed at the top of the rotating seat and is aligned by the positioning boss to be coaxial with the positioning boss; the clamping mechanism is located on one side of the rotating mechanism and used for clamping the movable tool apron. By arranging the rotating mechanism, the roller can be driven to rotate around the axis of the roller only by rotating the rotating seat, the gravity direction of the roller, the axis of the roller and the rotating axis are located on the same straight line, more labor and time are saved during overturning of the roller, and the working efficiency is improved.

The utility model discloses a safe manual operation device for an isolating switch, and relates to the technical field of isolating switches. A groove hole is formed in one end of the pressing head, a connecting rod is movably connected to the interior of the pressing head, a second telescopic spring is fixedly connected to the bottom of the pressing head, and a clamping groove is formed in the surface of the pressing column; a pressing head descends to drive a clamping block fixedly connected with the bottom of a connecting rod to slide in a clamping groove, and during sliding, due to the length difference between the bottoms of the clamping groove, a pressing column downwards extrudes a crank arm under the action of the elastic force of a second telescopic spring; the movable contact fixedly connected with the bottom of the crank arm connected with the power supply is separated from the internal disconnection circuit of the static contact, the power supply can be connected only by pressing the same end for the second time, and it is guaranteed that electric power workers for maintenance and construction cannot directly connect the power supply due to misoperation when the circuit is disconnected.

The invention discloses a city center road bearing capacity early warning method and device, and the method comprises the steps: obtaining the traffic data of a city center road, determining an equivalent lane, calculating the traffic bearing capacity of a basic unit based on a converted equivalent traffic flow, and carrying out the early warning of the traffic bearing capacity of the basic unit through the mapping relation between the equivalent traffic flow and a non-equivalent traffic flow. Calculating the traffic bearing capacity of the non-equivalent lane, and combining the relevance between the equivalent lane and the non-equivalent lane in time and space; a road network global traffic bearing capacity calculation model is established among the determined maximum number of running vehicles of the basic units, the road network structure parameters, the signal timing parameters and the average travel speed, to-be-detected city center road data is input into the road network global traffic bearing capacity calculation model to predict a result, and risk early warning is carried out. The urban center road quality risk early warning method improves the accuracy of urban center road quality risk early warning, has good interpretability, and is suitable for an urban center road bearing capacity early warning system.

The present invention relates to the field of gear process detection, and specifically to a flexible positioning tooth thickness measuring device and a measuring method thereof. The tooth thickness measuring device of the present invention comprises a base, a sliding device is arranged on the base, and a gear mounting seat is arranged on the sliding device. A positioning steel ball and a center through hole are arranged on the gear mounting seat, a gear positioning device is arranged in the center through hole, and a positioning bearing is arranged on the gear positioning device. The positioning steel ball is conducive to the rotation of the gear part to be measured during measurement, realizes flexible rotation, and realizes precise positioning. The positioning bearing is arranged on the gear positioning device, which is helpful for the rotation adjustment, placement and removal of the gear part to be measured. A movable support frame is arranged on the base, a tooth width measuring instrument is arranged on the movable support frame, and a measuring ball and an indicator are arranged on the tooth width measuring instrument. The movable support frame facilitates the adjustment of the position of the tooth width measuring instrument and facilitates measurement, and the indicator facilitates the reading of the tooth width data. The device has high measurement accuracy, the measurement is not affected by time and space, and has strong practicality.

The utility model discloses a rapid feeding device for a bonding machine. The rapid feeding device comprises a lower tool and a detachable upper tool arranged on the lower tool. The lower tool comprises an annular support, three supporting protruding parts are evenly arranged on the inner annular face of the annular support, a positioning groove is formed between every two adjacent supporting protruding parts, the upper tool comprises three profiling protruding parts, every two adjacent profiling protruding parts are connected through an upper connecting arm, the profiling protruding parts are arranged in the corresponding positioning grooves, and the upper connecting arm is connected with the upper connecting arm. Wherein a positioning plane is arranged on the inner side surface of one profiling convex part, a supporting plate is arranged on the peripheral surface of the profiling convex part, and the supporting plate is erected on the surface of the annular support. The wafer stacking device is simple in operation, can accurately stack wafers, and improves the preparation quality.

The invention provides a nuclear fuel assembly CHF test supporting grillwork and a fuel rod closure degree adjusting method, the supporting grillwork comprises a body, the body comprises a first lattice cell, a second lattice cell and a third lattice cell which are adjacent to one another, and the second lattice cell is located in the middle of the body; each first lattice cell comprises two inclined supports which are connected with each other and are arranged at an included angle, so that the fuel rods penetrating through the first lattice cells are eccentrically bent; one ends of the fuel rods in the first lattice cells abut against the inclined supports, and the other ends of the fuel rods in the first lattice cells abut against the guide pipes in the second lattice cells; or the other ends of the fuel rods in the first lattice cells abut against the side walls, deviating from the inclined supporting sides, of the first lattice cells. According to the CHF test supporting grillwork for the nuclear fuel assembly, the two inclined supports with the included angle are arranged in the first lattice cell, the inclined supports are matched with the guide pipe or the side wall, so that a larger contact area can be formed between the inclined supports and the fuel rod, enough rigidity is achieved, the bending position of the fuel rod can be kept unchanged, and the accuracy of test data is ensured.

The application discloses a ventricular support drainage device, which comprises a drainage tube, a self-expanding support bracket, a delivery tube and a support strip. The self-expanding support bracket is arranged outside the drainage tube, and the support bracket in an expanded state is used for supporting the ventricular wall. A small protrusion is arranged inside the support bracket, and the small protrusion is in close contact with the drainage tube in a compressed state. The delivery tube is sleeved outside the drainage tube and the support bracket, and is used for maintaining the drainage tube and the support bracket in the compressed state. The support strip is arranged inside the drainage tube in the compressed state, and is used for supporting the whole structure during delivery. The support strip is used for delivering the drainage tube and the support bracket compressed in the delivery tube to a drainage position under the support of the support strip, and maintaining the position of the drainage tube unchanged when the delivery tube is withdrawn. The support strip is blocked at the first end of the drainage tube. The arrangement guarantees that the drainage device is effectively delivered, and the support bracket plays a supporting role and the drainage tube plays a drainage role after being delivered.

The utility model relates to the technical field of automatic production equipment, in particular to a charging tray clamping and feeding device. The feeding assembly is used for driving the material receiving tray to take materials from the material tray on the feeding frame and then transfer the materials to the positioning pressing plate for positioning, the positioning open groove in the positioning pressing plate leaks out the materials on the material tray for feeding, automatic material tray conveying and material tray replacing are achieved, and the working efficiency is high; the clamping assembly is used for clamping the material tray so as to position the material tray on the positioning open groove, so that the material tray with a large length-width ratio is effectively prevented from warping or deforming, the material tray is kept flat, and it is guaranteed that the position of the material in the material tray does not change when the mechanical arm grabs the material on the material tray.

The invention discloses a neutron target device of an annular cooling accelerator. According to the neutron target device, a target sheet annular cooling mode is adopted, and the problem that neutron energy is reduced due to the fact that a traditional back face cooling structure blocks generated neutrons is solved; and meanwhile, the neutron target is forcibly cooled by adopting a mode of adjusting the flow of the cooling liquid by combining a high-heat-conductivity material with a temperature controller, so that the risk of over-high temperature of the neutron target is reduced.

The invention belongs to the technical field of spraying lines, and particularly discloses a metal material double-sided paint spraying device which comprises two symmetrically-arranged spraying mechanisms. An angle adjusting rail is arranged on the section, corresponding to the position between the two spraying mechanisms, of the annular conveying rail, and the number of folding sections of the angle adjusting rail is the same as that of plane parts of the cold-rolled folding plates to be sprayed; the sliding column is arranged on the annular conveying track in a sliding mode, the perimeter of the adjusting gear is m, the supplementary angle of the included angle between every two adjacent plane parts is a, and the length of the adjusting rack at the joint of every two adjacent plane parts and the corner of the corresponding folding section on the adjusting track is ma / 360 degrees; the limiting frame is arranged above the annular conveying rail in a reciprocating sliding mode; the limiting frame elastically clamps the top of the sliding column so as to limit autorotation of the sliding column in the non-meshing state of the adjusting gear and the adjusting rack. Under the action of the adjusting rack and the adjusting gear, the originally inclined plane part just rotates to the state perpendicular to the spraying direction of the spraying gun of the spraying mechanism, and vertical spraying is guaranteed.

This invention discloses a method for manufacturing a traveling wave pump rotor, comprising the following steps: machining the outer shell, machining the base plate and the first injection-molded plate, machining the cover plate and the second injection-molded plate, machining the enclosure mechanism, and machining and forming the rotor. The manufacturing method of this invention is simple in its steps, which not only improves the integral machining quality of the traveling wave pump rotor, but also facilitates the formation of an injection-molded layer on the surface of the traveling wave blades, reducing friction and wear of the traveling wave pump rotor during operation, while also reducing noise and extending the service life of the traveling wave pump.

The invention discloses a fuel cell membrane electrode recovery method based on a supercritical fluid and a microwave technology, and efficient and complete separation is performed during actual recovery. The complete separation of the proton exchange membrane and the perfluorosulfonic acid ionomer resin from the catalyst is successfully realized; the supercritical fluid pretreatment and microwave-assisted heating processes adopted in the invention are mild, so that the damage to the material caused by high temperature or other harsh conditions is avoided, the physicochemical properties of the separated catalyst and perfluorosulfonic acid ionomer resin are ensured, and the catalyst and the perfluorosulfonic acid ionomer resin can be repeatedly utilized; the recycling value of the material is obviously improved; in the method, the supercritical fluid not only serves as a separation medium, but also can be recycled after the process is finished, so that the influence on the environment is greatly reduced, and meanwhile, the recycling cost is also reduced.

The utility model relates to a multi-channel raw material synchronous feeding tank which comprises a raw material barrel and discharging grooves, partition plates are installed in an inner cavity of the raw material barrel and divide the raw material barrel into a plurality of cavities, enzyme production raw materials outside the raw material barrel can be placed into the cavities, the discharging grooves are formed below the raw material barrel, and the number of the discharging grooves is consistent with that of the cavities. The discharge chute is communicated with the cavity; a batching barrel is arranged at the lower end of the discharging groove and communicates with an inner cavity of the discharging groove, the outer side wall of the batching barrel is sleeved with a quantifying mechanism, a connecting frame is installed on the side wall of the quantifying mechanism, the output end of a first electric control push rod is installed at the upper end of the connecting frame, and the first electric control push rod is installed on an external fixing frame; the first electric control push rod can drive the connecting frame to move up and down. According to the embodiment of the invention, the quality of each raw material can be adjusted, and the ratio of the raw materials can not be changed, so that the condition of fermentation failure is effectively reduced, and the waste of the raw materials and the prolonging of the production period are avoided.

The utility model provides an electrode structure, an electrode butt joint device and coating equipment, the electrode structure comprises a mounting seat, a cavity is formed in the mounting seat, a first opening communicated with the cavity is formed in one side of the mounting seat, and a second opening communicated with the cavity is formed in the other side of the mounting seat; the first electrode rod comprises a first connecting end and a first free end, the first connecting end is connected with an external power supply, and the first free end can movably penetrate through the first opening in the axis direction of the first electrode rod and extends into the cavity; the second electrode rod comprises a second connecting end and a second free end, the second connecting end is electrically connected with the electrode holder, the second free end can movably penetrate through the second opening in the axis direction of the second electrode rod and extends into the cavity, and a gap is formed between the first free end and the second free end; the conductive assembly is electrically connected with the first free end and the second free end. According to the electrode structure provided by the invention, the high-frequency phenomenon generated during film coating can be effectively reduced, and the film coating quality is improved.

The utility model relates to the technical field of switches, in particular to a key switch with a two-key key or a three-key key. The key switch with the two-key key comprises the two-key key, a support and a middle frame, the two-key key is attached to the support according to a first gap, the position, corresponding to the two-key key, of the support is provided with a first shaft hole buckle and a first plane buckle, the first shaft hole buckle and the first plane buckle are arranged on the two sides of a support connecting part respectively, the first shaft hole buckle is matched with a shaft hole of the middle frame, and the second shaft hole buckle is matched with a shaft hole of the middle frame. The first plane buckle is connected with the middle frame in a buckled mode so as to limit displacement of the first side portion of the support in three directions, and the first plane buckle is connected with the middle frame in a buckled mode so as to limit displacement of the second side portion of the support in one direction. The utility model also provides a key switch with the three-key key. According to the utility model, the displacement of the first side part in three directions is limited, and only the displacement of the second side part in one direction is limited, so that the secondary deformation of the bracket when the bracket is buckled with the middle frame is avoided, and the gap between the keys is ensured to meet the requirement.

This invention relates to a semi-automatic quenching device for the movable jaw of a pipe wrench, comprising a frame, an inclined bearing seat connected to the frame, a rotating shaft rotatably connected within the bearing seat, a turntable fixedly connected to the upper end of the rotating shaft, and a drive device connected to the frame to drive the rotating shaft to rotate. Multiple slots are evenly distributed circumferentially on the upper surface of the turntable, any slot extending radially along the turntable. The highest point of the turntable is the loading station, and the lowest point is the unloading station. Along the rotation direction of the turntable, from the loading station to the unloading station, heating and cooling stations are sequentially arranged. The heating station is equipped with a high-frequency induction heater, and the cooling station is equipped with a coolant spray head. This invention, through the inclined turntable and the slots on the turntable, drives the movable jaw head to sequentially pass through the heating station for heating, the cooling station for quenching, and the unloading station for automatic unloading, forming a semi-automatic assembly line operation, improving operational safety and avoiding accidents. Simultaneously, the assembly line operation also improves quenching efficiency.

The present invention relates to an aerodynamic thermal test device using shock wave boundary layer interference, comprising: an arc heater, a supersonic nozzle, a blunt wedge, a test model and a pneumatic actuator, wherein the arc heater is placed upstream of a wind tunnel test section, the supersonic nozzle is connected to the arc heater, the blunt wedge is connected to the pneumatic actuator and placed at the nozzle of the supersonic nozzle facing the airflow, and the test model and the supersonic nozzle are connected to the outer wall of the supersonic nozzle at a certain angle of attack; after the arc heater works, the high-temperature and high-speed airflow generated is ejected from the supersonic nozzle, and the pneumatic actuator controls the blunt wedge to be placed at the nozzle of the supersonic nozzle facing the airflow. The interference phenomenon between the shock wave generated by the blunt wedge and the high-temperature airflow and the boundary layer on the surface of the model is used to increase the surface pressure and surface heat flow in the interference area of ​​the test model, thereby achieving the purpose of improving the test simulation parameters. The invention is simple in method, the test device is mature and reliable, and the ground simulation capability of the aerodynamic thermal test can be greatly improved.

The invention relates to bismuth ion doped gallium germanate yellow fluorescent powder with high temperature sensing sensitivity and a preparation method thereof, the yellow fluorescent powder with high temperature sensing sensitivity has a chemical general formula of Ba3SbGa3Ge2O14: xBi < 3 + >, x is more than or equal to 0.0025 and less than or equal to 0.08; the material emits yellow light under excitation of 334 nm, the emission broadband is within the range of 400-700 nm, the peak value is 527 nm, the emission intensity changes rapidly along with temperature changes, and the material has high temperature sensing sensitivity of 4.155% K <-1 >. The preparation method has the advantages of simplicity, safety, greenness, low cost and the like.

The invention provides a control device for controlling double-output linear motion through a single motor and a working method. The device comprises a supporting base, a power input assembly and a linear output assembly. The power input assembly and the linear output assembly are arranged on the supporting base. The linear output assembly is composed of a driving cam assembly, a driven cam assembly and a grooved wheel assembly. The driving cam assembly and the driven cam assembly are connected through the grooved wheel assembly and conduct force transmission. A driving cam assembly and a driven cam assembly in the linear output assembly are controlled to rotate through input of a motor in the power input assembly, and the driving cam assembly and the driven cam assembly convert rotary motion into linear motion. The driving cam assembly, the driven cam assembly and the grooved wheel assembly are driven by rotating motion of the motor to be converted into two pieces of linear motion with controllable linear output, the rotating angle of the motor and the line type of the special-shaped gear are controlled, and the stroke and direction of the two pieces of linear motion are controlled at the same time.

The application discloses a resource scheduling scheme effectiveness verification method and system based on execution information, and belongs to the resource scheduling field. The method comprises the following steps: constructing a priori known time network, using a priori known accidental link and an observation link to represent an action with uncertain duration and an observation process that can obtain execution information in an execution process, obtaining time constraints that need to be met at all controlled time points by applying propagation constraints, realizing the use of execution information to deal with time uncertainty, verifying whether the resource scheduling scheme meets the dynamic controllable condition when facing time uncertainty by using a dynamic controllability detection algorithm, and then judging whether the resource scheduling scheme can be successfully executed after the execution information obtained in the execution process is used to reduce uncertainty. The method has considered the execution information that can be obtained in the execution process in the verification process, and improves the accuracy and efficiency of the verification.

The utility model discloses a device of recycling DMF in waste water, through primary dehydration tower, secondary dehydration tower and partition wall rectifying column carry out multistage dehydration and rectification, compared with traditional conventional two tower three component separation structure, greatly reduce equipment cost and equipment's floor space, vacuum pump and DMF reation kettle cooperation, the most part dimethylamine in primary dehydration tower, secondary dehydration tower and partition wall rectifying column overhead distillate is sucked to DMF reation kettle with formic acid in partition wall rectifying column column kettle liquid dehydration reaction again obtains DMF, and transports to the partition wall rectifying column and carries out rectification, has reduced byproduct in waste gas and waste liquid, reduced the loss rate of DMF, improved the recovery rate of DMF.

The utility model belongs to the technical field of coiled material sleeve installing and positioning devices, and particularly relates to a coiled material sleeve installing and positioning device which comprises an installing frame. An auxiliary positioning device is mounted on the mounting frame; the connecting end part of the telescopic rod is fixedly connected with a rotating plate; a telescopic hole is formed in the fixed seat in a penetrating manner; a rack is arranged in the telescopic hole; the connecting end part of the rack is fixedly connected with a limiting block; inserting rods are fixedly connected to the ends of the fixing bases. Sliding holes are symmetrically formed in two side plate bodies of the mounting frame; a moving frame is arranged in the sliding hole; rotating grooves are formed in the opposite surfaces of the positioning plates; a rolling bead is arranged in the rotating groove; scale marks are carved on a frame body of the movable frame; through the effect of the auxiliary positioning device, the phenomenon that the sleeve shakes left and right during rotation is avoided, the winding quality of a coiled material is ensured, the mounting and positioning effects on the sleeve are achieved, and it is ensured that the position of the center line of the sleeve is not changed during winding of the sleeve.

The utility model discloses an adjustable pet food forming machine, and belongs to the field of pet food processing. According to the technical scheme, the adjustable pet food forming machine comprises an equipment base, a forming lower mold is arranged in the middle of the upper end of the equipment base, the left side and the right side of the forming lower mold are each provided with two connecting pieces, the four connecting pieces are jointly provided with a stabilizing mechanism, the stabilizing mechanism is provided with four L-shaped rods, and the L-shaped rods are connected with the equipment base. And first rotating shafts are fixed to the upper ends of the right sides of the four connecting pieces correspondingly, and the middles of the four L-shaped rods are rotationally connected to the corresponding first rotating shafts in a sleeving mode correspondingly. Pet food can be more stably pressed at the upper end of the forming lower die by pressing the forming lower die, it can be guaranteed that the position of pet food materials is not changed before hot press forming, the pet food materials are stressed more evenly, the forming work efficiency is improved, and the product quality is improved.

The invention relates to bucket processing, and specifically discloses a bucket ear plate welding positioning tool, comprising: a pressing plate and a seesaw plate; a pressing rod; a seesaw rod; and a driving assembly, wherein two groups of the driving assembly are installed. The pressing plate and the seesaw plate are cross-arranged to clamp in a scissor-like manner, and the ear plate, the bucket curved plate and the bucket bottom plate are fixed by pressing down the pressing rod, and the position of the ear plate is fixed and not easy to deviate, and the bucket curved plate and the ear plate are further fixed by tilting up the seesaw rod, and one end of the pressing plate and the seesaw plate is restricted by the driving assembly, so that the pressing plate and the seesaw plate are fixed, so that the position of the pressing rod and the seesaw rod is fixed, so that the position of the ear plate and the bucket curved plate remains unchanged, and when the ear plate and the bucket curved plate are welded, no matter whether the ear plate and the bucket curved plate are deformed, the position of the ear plate remains unchanged, and the position of the mounting hole on the ear plate remains unchanged, so that when the pin shaft is subsequently installed, the position of the pin shaft is also at a predetermined position, thereby ensuring the performance and safety of the bucket after assembly.

The present invention provides a substrate bonding method and substrate, belonging to the field of semiconductor technology. The substrate bonding method is to open each clamping jaw in turn and remove the gasket at the position of the clamping jaw after aligning the two substrates and before heating and pressing for bonding, and then close and lock until all the gaskets are removed and then pressurized and heated to complete the bonding. The substrate bonding method described in the present invention is a method of removing the gaskets one by one in the open state of the clamping jaws, which can not only reduce the invalid area, but also avoid the misalignment caused by the removal of the gaskets, thereby improving the yield rate. At the same time, the height position of the gasket will not change, and the process of adjusting the height of the gasket in the next alignment process is omitted, thereby improving the working efficiency of the bonding.