44results about How to "Not prone to drift" patented technology

The invention relates to a kind of efficient reactor with paddle bed, which belongs to the chemical machinery field. It is composed mainly with the solid and liquid separator, the inner tube that the track is changeable, the reactor cover, the heat exchanger with an internal component, the riser with the spray nozzle, the inner-tube tank that has the heating and gas distribution function, the spray nozzle for protecting from choking, the mounting plate of the spray nozzle, the heat exchanger, the outlet of the heating coil, the quadratic distribution plate, the heating coil and so on. The beneficial effictiveness of the invention can be described as follows: the reactor and the distributor can't block up easily; the gas and the liquid can be mixed evenly; the reactive efficiency is high; the carrying amount of the catalyst and the solvent is so bit that it can not occur the bias current, channeling and dead bed; the size running quickly, and the viscosity of the size in the reactor is identical generally; the reactor can be shifted out in time, and especially in the stage of the catalytic, reducing and intensifying, it can realize to operate the reactor steadily; otherwise, the distribution of the virgin gas in the reactor along the axle is in agreement on the concentration of the catalyst, so that can make the catalyst have the most activity, and then it can be make the full use of the reactor space.

The invention discloses a plate overturning machine. The plate overturning machine comprises a frame, and a feed conveyor and a discharge conveyor symmetrically arranged on two sides of the frame; conveying rollers are uniformly distributed on the feed conveyor and the discharge conveyor; driving devices for driving the conveying rollers to rotate are respectively arranged below the feed conveyor and the discharge conveyor; the frame is provided with a servo motor and a matched speed reducer; a rotating shaft is arranged above the frame; the speed reducer drives the rotating shaft to rotate through a coupling; at least two mounting plates are arranged on the rotating shaft; parallel forks for clamping plates are arranged on the mounting plates; and when the mounting plates are rotated along with the rotating shaft, the parallel forks can clamp the plates to overturn from the feed conveyor onto the discharge conveyor. The plate overturning machine can be used for improving the defect of manual overturning of the plates in traditional processing equipment.

The invention discloses a differential absorption laser radar ozone space-time distribution day and night automatic detection device based on double Raman tube light source. The device comprises a laser transmitting unit, an optical receiving unit, a signal collecting unit and a signal analyzing unit, wherein the laser transmitting unit adopts D2 and H2 double Raman tube light source systems; the laser transmitting unit is used for transmitting laser of 266nm, 289nm, 299nm and 316nm simultaneously; the laser is received by the optical receiving unit; optical signals, which are transmitted by the optical receiving unit, are converted to digital signals through the signal collection unit, stored in an industrial personal computer and analyzed by the signal analyzing unit in real time. Echo signals of four channels are detected simultaneously; the requirements for detection precisions of different heights of a lower layer, a middle layer and a high layer of ozone in a convection layer can be taken into account. The device is capable of observing the ozone three-dimensional distribution of the convection layer around the clock, high in time resolution ratio and space resolution ratio and high in detection precision.

The invention discloses an LED with the high luminous efficiency and the high color rendering. The LED comprises a support bowl cup, pins, an LED chip and a glue and fluorescent powder mixture. A cavity recessed inwards is formed inside the support bowl cup. The LED chip is fixed to the bottom of the cavity recessed inwards through crystal fixing glue. The upper portion of the chip is coated with a first layer of the glue and fluorescent powder mixture and a second layer of the glue and fluorescent powder mixture. The size of the first layer of the glue and fluorescent powder mixture is 1/4 to 1/5 that of the cavity recessed inwards and the size of the second layer of the glue and fluorescent powder mixture is 3/4 to 4/5 that of the cavity recessed inwards. The pins comprise the first pin and the second pin. The LED chip is respectively and electrically connected with the first pin and the second pin through gold threads.

The invention relates to a mobile power supply insulating property detection device, comprising a workbench, detection probes and a second protective layer. A supporting frame is connected to the topof the workbench, moving slots are fixed on the inner side of the supporting frame, moving discs are respectively mounted in the moving slots, the inner wall, close to the central axis of the supporting frame, of each moving disc is connected with one cross bar, each cross bar is fixedly provided with a clamping slot inside, and each detection probe is arranged on the inner side, close to the central axis of the workbench, of the corresponding clamping slot. A telescopic rod is connected to the inner wall of the top end of the supporting frame, a first fixing plate is arranged at the bottom ofthe telescopic rod, a first bolt is screwed to the outer side of the first fixing plate, and a first limit block is arranged at the bottom end of the first fixing plate. With the arrangement of the detection probes, a second fixing plate, a second limit plate and a second bolt, both sides of the outer wall of mobile power supply can be subjected to insulating property test, and thus, work efficiency of the device is improved.

The invention belongs to the technical field of conductivity test, and provides a groundwater four-electrode conductivity monitoring instrument in a dynamic bipolar pulse method. The instrument comprises a controller; the controller is connected with a power conversion circuit, a dynamic signal generating circuit and a signal conditioning circuit; the dynamic signal generating circuit is connectedwith the signal conditioning circuit through a four-electrode conductivity electrode; the signal conditioning circuit comprises a current-to-voltage sampling circuit; and the input end of the current-to-voltage sampling circuit is connected with the four-electrode conductivity electrode, and the output end is connected with the controller. The invention also provides a groundwater four-electrodeconductivity monitoring method in a dynamic bipolar pulse method. The design is skillful, the operation is simple and convenient, and the technical problem that a two-electrode conductivity measurement method in the prior art can not meet requirements can be solved.

The invention discloses a bamboo joint connecting method of a logger string. The logging instrument string includes a position energy spectrum, a compensated neutron, a litho-density, a digital acoustic wave and a hole diameter logger that are sequentially strung, wherein a rotary short joint is connected between the compensated neutron and the litho-density; the loggers are connected through threaded draw rings; protective caps are arranged at the front and the rear ends of the logger string; a pose keeper is arranged between the rotary short joint and the litho-density; the hole diameter logger adopts a plate spring hole diameter logger; independent power supply units adopting high temperature-resistant lithium battery to supply power are arranged in all the loggers of the logger string; and a flexible short joint is arranged between the litho-density and the digital acoustic wave. As the independent power supply units adopting high temperature-resistant lithium battery to supply power are arranged in all the loggers of the logger string, the logging efficiency and safety are improved; and as the loggers are connected through the threaded draw rings with the combination of the pose keeper and the flexible short joint, the logger string is not only convenient to detach, but also improves the accuracy of the measurement data.

The invention discloses an omnibearing mechanical arm with a simulation palm, applied to a neuro-endoscope. The mechanical arm comprises a fixation base which can be fixed on an operation bed, a universal hose and an adjustment device capable of 360 DEG position adjustment, wherein the adjustment device is composed of a universal bass base and an universal ball; one end of the universal hose is fixed on the fixation base and the other end is connected to the bottom face of the universal ball base; one end of the universal ball is placed in the universal ball base, and the other end is connected to the simulation palm; the simulation palm comprises multiple fingers which are set to be bent into an arc shape; and clamping holes are formed in the fingers. The mechanical arm also comprises the neuro-endoscope, wherein one end part of the neuro-endoscope is placed on the simulation palm; a positioning part is disposed on the end part of the neuro-endoscope; and the simulation palm clamps the end part of the neuro-endoscope in a wine glass holding shape; and the positioning part is clamped by the clamping holes. The mechanical arm disclosed by the invention has the advantages that fixation effects of the neuro-endoscope are good; damage appearing in adjustment of the neuro-endoscope can be effectively avoided; and position adjustment is more accurate, omnibearing adjustment can be achieved, two hands can be relieved, and doctors' operation burdens can be relieved.

The invention relates to the field of water quality detection sensors, in particular to an interdigital electrode array sensor used for quantitatively detecting residual chlorine in water. The sensorcomprises an interdigital electrode and an ion selectivity film, wherein the ion selectivity film directly covers the surface of the interdigital electrode in a sensor; the interdigital electrode is formed in a way that two groups of parallel metal electrode arrays are staggered; the ion selectivity film selectively reacts with hypochlorite in water; and a chemical signal is converted into an electric potential signal through the sensor. Compared with an existing residual chlorine detection method, the sensor utilizes the interdigital electrode sensor for detection, the signal to noise ratio of a miniature interdigital electrode array is greatly improved than the signal to noise ratio of the voltage and current signal of a traditional electrode, so that detection accuracy is higher, drifting is unlikely to happen, and online monitoring can be carried out for a long time. In addition, due to the ion selectivity film, the sensor is unlikely to be disturbed and polluted by other ions, andthe stability and the accuracy of the sensor are improved.

The invention relates to the technical field of physiotherapeutic instrument, in particular to a physiotherapeutic instrument, which comprises a device body, the device body comprises a movable base, one end of the movable base is provided with a rotating groove, the inner wall of the rotating groove is sleeved with a rotating bottom plate through a bearing, and one end of the rotating bottom plate is fixedly provided with an electric telescopic rod. Through the arrangement of a sliding groove, sliding strips, a crease soft plate, a compression spring, a clamping groove, am extrusion plate and a balance plate, the clamping block can be tightly inserted into the clamping groove through clamping and limiting of the clamping block and the clamping groove and the weight of the extension block and the extrusion plate, and meanwhile when the end of the extrusion plate is touched, the limiting state of the clamping block and the clamping groove can be relieved, so that the two sliding strips can instantly move relative to each other, the back of a patient is protected, the situation that the contact distance between the electric heating lamp and the back of the patient is too close when the patient accidentally rise the back is avoided, and the back of the patient is prevented from being scalded by the electric heating lamp.

The invention relates to a portable and high-temperature resistant mechanical welding device. The portable and high-temperature resistant mechanical welding device comprises a base, a welding head anda telescopic rod, wherein a first support frame is mounted at the top of the base; an oxygen supply box is arranged at the top end of the first support frame; an oxygen pump is arranged on the innerside of the oxygen supply box; an oxygen outlet pipe is connected to the outer wall of the oxygen pump; a sliding groove is fixed in the first support frame; and a sliding disc is movably arranged onthe inner side of the sliding groove. The portable and high-temperature resistant mechanical welding device has the beneficial effects that the welding head, an internal thread, an external thread, the oxygen outlet pipe and the oxygen pump are arranged, a mounting rod and the welding head form a detachable structure through the internal thread and the external thread, the welding heads of different specifications can be converted under the action of the external thread and the internal thread, besides, when the device operates, the relative positions of the welding head and the mounting rod do not deviate under the action of the external thread and the internal thread, and normal welding operation of the device is prevented from being affected.

The invention discloses a battery cell connection method, a battery production device and a battery, and relates to the technical field of battery production. The battery cell connection method comprises the following steps: pressing a plurality of tabs of a battery cell so as to draw close the tabs to form a connection part; connecting the parts of the plurality of tabs in the connecting part; and connecting the adapter sheets to the respective connecting parts of the two battery cells. The battery cell connection method has the characteristic that the safety performance of the battery can be improved. The battery production device adopts a battery cell connection method to connect the tabs, and the battery production device also has the characteristic of improving the safety performance of the battery. The tabs of the battery cells of the battery are connected by adopting a battery cell connecting method, and the battery has the characteristic of relatively high safety performance.

The invention relates to a composite volume pulse wave signal collecting and processing fingerstall which comprises a first unit and a second unit capable of being communicated with the first unit. The first unit comprises an upper shell, a control circuit unit, a sliding base and a spring contact. The second unit comprises a spring wafer, a base, a silica gel strip, a sensor and non-woven fabric. The control circuit unit is arranged in the upper shell, and first sliding rails are arranged on the two opposite side faces of the periphery of the sliding base. Second sliding grooves are formed in the inner sides of the two side faces of the base, and the silica gel strip is fixed to the finger through the non-woven fabric. The sliding base of the first unit can be connected with the base of the second unit through cooperation of the first sliding rails and the second sliding grooves. The overall structural design is ingenious and reasonable, the sensor and the finger are combined tightly, firmly and constantly, use is more convenient, no wire is needed, measurement accuracy and stability can be improved, certain components can be abandoned as consumables when damaged, normal use of other components is not influenced, cost is reduced, and resources are saved.

The invention discloses an automatic door device of a numerical control machine tool. The automatic door device is characterized by comprising an chassis outer shield, the chassis outer shield comprises a top shield body and a side shield body, a rod-free cylinder is arranged on the top shield body, a protective door is arranged on the piston of the rod-free cylinder, a supporting roller and a first directional roller are arranged on the protective door, and a mounting plate is arranged at the bottom of the protective door; and a second directional roller is arranged on the mounting plate, a supporting guide rail is arranged on the side shield body, a supporting guide rail groove matched with the supporting roller in a rolling mode is formed in the supporting guide rail, a first directional guide rail is arranged on the top shield body, a first rail groove matched with the first directional roller in a rolling mode is formed in the first directional guide rail, a second directional guide rail is arranged on the side shield body, and a second rail groove matched with the second directional roller in a rolling mode is formed in the second directional guide rail. The protective door in the vertical direction is not easy to beat and not easy to offset in the horizontal direction, and the stability is high.

The aluminum honeycomb composite board forming device comprises a machine body, a workbench is arranged in the center of the bottom of the inner wall of the machine body, a supporting device is arranged at the top of the workbench, the output end of a telescopic mechanism is fixedly connected with a pressing body, and a rolling pressing device is arranged in the pressing body; a positioning device is arranged on the surface, close to the corner, of the pressing body, a connecting pipe is arranged at the position, corresponding to the top of the positioning device, of the surface of the pressing body, a feeding port is formed in the side, close to the end of the supporting device, of the surface of the machine body, and a discharging port is formed in the side, away from the feeding port, of the surface of the machine body; the invention relates to the technical field of aluminum honeycomb panel processing equipment. According to the forming device for the aluminum honeycomb composite board, the rapid pressing effect is achieved, the pressing stability is good, uniform pressing force is applied, the influence of external force or vibration is reduced, board pressing is rapid, uniform, safe and reliable, and the pressing efficiency and the use performance are improved.

The invention discloses a novel paper binding machine which comprises a device base. A fixed side plate is fixedly connected to the upper end of the device base; antiskid supporting legs are fixedly connected to the periphery of the device base; a rotating shaft is arranged on the inner wall of the fixed side plate; a press-fit gear is fixedly connected to the inner side of the rotating shaft; theinner side of a paper positioning plate is fixedly connected with a supporting rod; the inner side of the fixed side plate is provided with an arch-shaped pressing plate and a containing plate; and the lower end of the arch-shaped pressing plate is provided with a T-shaped stamping needle. The novel paper binding machine provided by the invention is provided with the arch-shaped pressing plate, apositioning support and a detachable shell, so that paper stamping and binding operation can be conveniently and better carried out, pressure is reduced, operation is conducted more conveniently, practicability is achieved, positioning can be conveniently and better carried out, the press-fit stability is improved, a binding effect is more excellent, the structure is simple, maintenance is more conveniently conducted, materials are saved, and better use prospects are brought.

The invention relates to the technical field of ultrasonic machining, in particular to a metal surface ultrasonic machining device. The device comprises a main body, wherein the main body comprises abase which is a metal element, the surface of the base is a flat surface; two rails are arranged, and the rails are arranged on the base; two sliding blocks are arranged, the sliding blocks are separately arranged at the two ends of the rails, sliding grooves are formed below the sliding blocks, and the sliding grooves of the sliding blocks are connected to the rails in a matched mode; two knife rest assemblies are arranged, and the knife rest assemblies are symmetrically arranged, each knife rest assembly comprises a base connecting piece arranged at one end of the base; and the sliding blockconnecting pieces are arranged below the sliding blocks, connecting rods are arranged inside the base connecting pieces, the connecting rods are movably connected to the sliding block connecting pieces, and the sliding blocks moves in an extending direction of the connecting rods through the sliding block connecting pieces. An ultrasonic cutter is arranged on the upper surfaces of the sliding blocks, and the problem that in the prior art, an ultrasonic cutter deviates on the surface of a workpiece, and consequently metal surface machining is irregular is solved.

The invention relates to a Tu's high-sensitivity overrunning clutch which comprises an external star wheel and an internal star wheel; the external star wheel or the internal star wheel is provided with a logarithmic helix groove structure; a roller, an ejector block and a spring are positioned in the groove structure; the groove is provided with a tooth groove for mounting the ejector block and the spring; the tooth groove is arranged in an inclined manner with a certain angle with the shafts of star wheels; and the roller is of a sectional structure, and separated sheets are arranged among all sections of roller. The roller, the ejector block and the spring are arrayed outwards or inwards in an inclined manner along the axial direction of the external star wheel or the internal star wheel at a certain angle, the perimeter distance occupied by the ejector block and the spring is shortened, and more rollers can be arrayed, thus the torque born by the rollers is increased greatly; by adopting the sectional multi-roller arrangement, the rollers hardly incline or deviate, and high sensitivity is achieved; the stress is uniform, the surfaces of the rollers and the star wheels are difficult to damage; and compared with the traditional roller-type overrunning clutch, the Tu's high-sensitivity overrunning clutch provided by the invention has higher sensitivity, can transfer greater maximum torque, and simultaneously has higher stability and longer service life.