23results about How to "Improve contact effect" patented technology

This utility model belongs to the field of chemical fiber processing technology, and in particular to a chemical fiber stretching device. This utility model includes an integrated frame, a bottom groove plate connected to the bottom of the integrated frame, and a temperature control roller mounted on the surface of the integrated frame. A pressure roller is attached to the top of the temperature control roller, and a roller support rod is connected to the top of the pressure roller. An adjusting slide is sleeved on the outside of the roller support rod, and a conical spring is installed inside the cavity of the adjusting slide. An assembly bottom block and an assembly top block, connected to the upper and lower parts of the conical spring, are respectively fixed to the top of the roller support rod and the groove top wall of the adjusting slide. This utility model utilizes an adjusting screw and the adjusting slide to achieve synchronous adjustment, thereby adjusting the distance between the bottom pressure roller and the top temperature control roller. Simultaneously, the conical spring connects the adjusting slide and the assembly bottom block. Due to the progressive stiffness of the conical spring, the pressure roller is more sensitive to chemical fibers of different thicknesses, thus improving the contact effect.

The utility model relates to the technical field of hydrogen bromide purification, and discloses an electronic-grade hydrogen bromide purification device which comprises a settling tank, a rotary feeding mechanism is arranged on the settling tank, and a waste gas discharge mechanism is arranged at the top of the settling tank; the rotary feeding mechanism comprises a supporting seat, the supporting seat is fixedly mounted at the top of the settling tank, a fixed pipeline is fixedly mounted on the inner wall of the supporting seat, and a first valve pipe is fixedly connected to the top of the fixed pipeline. Through the overall design of a rotary introduction mechanism, ozone can be introduced from a first valve pipe, the ozone can penetrate through a rotary pipeline to be output from the end of a branch pipeline, meanwhile, through work of a driving motor, the rotary pipeline can be driven to rotate integrally, so that the ozone is rotationally introduced into a stock solution, and meanwhile, a stirring paddle can be driven to rotate; the stirring paddle can stir the stock solution, so that the contact effect of the stock solution and the ozone is further improved, the utilization rate of the ozone is improved, and the consumption of the ozone is reduced.

The utility model relates to a solar cell. The above-mentioned solar cell includes the monocrystalline silicon wafer of first doped type and the first intrinsic amorphous silicon layer and the first microcrystalline silicon layer of second doped type of laminated setting on monocrystalline silicon wafer, wherein, the first intrinsic amorphous silicon layer includes first sublayer and second sublayer, and the first sublayer is between the second sublayer and the first microcrystalline silicon layer;Second sublayer contains microcrystal, and the crystallization rate of second sublayer is 1%~5%, and the thickness of second sublayer is 1.3nm~2.5nm, and second sublayer can enhance the contact effect with the first microcrystalline silicon layer, reduce the series resistance of battery, and improve the filling factor and other performance parameters of battery.

The application discloses a kind of double locking structure cable joint, including connecting body, the upper end of the connecting body is equipped with compression nut, lower end is equipped with joint body, the compression nut and joint body are all with connecting body screw thread cooperation, the connecting body is equipped with nylon compression ring with compression nut piece, the nylon compression ring adopts plastic material, the opening is opened on the nylon compression ring, the gecko tail piece is equipped with in both ends of the opening, the gecko tail piece is equipped with multiple V-shaped mouths, the inner side of the compression nut and joint body is all inclined surface arrangement, and it is matched with the nylon compression ring the upper end of the compression nut is equipped with connecting lug, the connecting lug is equipped with fixed peg, the thread of the fixed peg both ends is oppositely arranged, the adjusting ring is equipped with in both ends of the connecting lug, the fixed peg is matched with adjusting ring, the adjusting ring is equipped with locking peg, the inner side of the adjusting ring is equipped with locking ring, locking ring is matched with locking peg, the equipment is better to cable fastening, improve waterproof effect.

This application relates to a cathode and a method for manufacturing the same. The method includes: reacting a cation containing a cathode element with a precipitant in a solution to obtain a colloidal precipitate; and coating the colloidal precipitate onto the surface of a cathode substrate for cathode manufacturing. Compared to conventional processes, this method eliminates the step of high-temperature calcination of the aluminate active material, simplifying the process. This manufacturing process, utilizing co-precipitation reaction and the characteristics of the colloidal precipitate, is expected to achieve more uniform mixing of the active material, improve the contact performance between the material and the electrode substrate, reduce the shedding of the active material during high vacuum and high temperature processes, reduce impurities, and avoid problems such as reduced conductivity and residual impurities that may arise from the use of binders, thereby extending the service life of electronic devices.

This utility model relates to the field of traffic sign technology, and more particularly to a traffic sign painting device, comprising a processing platform, a first motor disposed at the bottom of the processing platform, and a first cylinder disposed at the end of the processing platform away from the first motor. Through the arrangement of grinding blades and a compaction rod, when the sign needs to be polished, it is simply placed face down on the grinding blades. Multiple grinding blades, driven by the first motor, improve the aesthetics of the sign surface. Simultaneously, the grinding blades remove the adhesive layer from the sign surface, reducing unevenness. Furthermore, during polishing, the compaction rod increases the contact effect between the sign and the grinding blades, thereby enhancing the polishing effect and improving the adhesion of the subsequent paint spraying, thus increasing the visibility of the painted surface.

The utility model belongs to the field of waste gas treatment equipment, and particularly relates to an efficient catalytic combustion waste gas treatment device which comprises a catalytic combustion chamber, a gas inlet pipe is mounted on one side of the catalytic combustion chamber, a gas outlet pipe is mounted on the other side of the catalytic combustion chamber, and a heater is mounted on the inner wall of the bottom of the catalytic combustion chamber. Two supporting seats are mounted on the inner walls of the front side and the rear side of the catalytic combustion chamber, a frame plate is placed at the tops of the two supporting seats, a catalyst is mounted in the frame plate, a plurality of through holes are formed in the catalyst at equal intervals, a partition plate is fixedly mounted in the catalytic combustion chamber, and a plurality of guide holes are formed in the partition plate at equal intervals; and the same lifting plate is slidably mounted on the inner walls of the two sides of the catalytic combustion chamber. The device is reasonable in design, the through hole of the catalyst can be dredged under the non-stop action through the movement of the insertion rod, the blockage of the through hole is avoided, and the purpose of conveniently disassembling, assembling and replacing the catalyst is achieved.

The utility model relates to ecological restoration device technical field especially, more particularly to a kind of adjustable seed reseeding device of grassland ecological restoration.The utility model provides a kind of adjustable seed reseeding device of grassland ecological restoration, including support frame, non-slip wheel, motor, fixed block and fixed column, multiple non-slip wheels are rotatably connected in the rectangular array in support frame bottom, motor is fixedly connected in support frame right side, fixed block is fixedly connected in support frame left side, the output shaft end of fixed block and motor is rotatably connected, fixed column is fixedly connected in support frame left side.The utility model is through the clamping cooperation structure of limiting rod and fixed block, is combined with guide rod and knob locking mechanism, so that seed box can be conveniently installed on motor output shaft, and its position can be adjusted by knob, to realize the flexible adjustment of sowing row distance, improve the stability and operation convenience of overall structure, reduce manual intervention and operating cost.

The utility model discloses a kind of light hole connectors, it is related to high-frequency connector technical field, including outer conductor, insulating medium and inner conductor, the outer conductor top is equipped with bowl mouth introduction type interface, the inner wall of bowl mouth introduction type interface has the guide chamfer of 30 °-45 °;Annular boss is equipped in the middle part of outer conductor inner wall;The insulating medium is filled between outer conductor and inner conductor by high-temperature sintering, and the lower surface of insulating medium and annular boss upper surface are closely combined;The inner conductor includes coaxially arranged upper portion step column and lower cylinder, and the diameter of upper portion step column is 0.2mm-0.3mm larger than lower cylinder;The outer conductor bottom is equipped with four round pins, and stress release groove is equipped in pin root portion. The design comprehensively solves the key technical problems such as insertion precision, interface reliability and stress distribution, and greatly prolongs the service life of connector.

This utility model discloses a sludge pretreatment negative pressure deodorization system, including a sludge tank and a deodorization tower. A cover plate is installed on the upper part of the sludge tank. A variable frequency negative pressure fan is installed at the air inlet end of the deodorization tower, with the air inlet end of the fan extending into the cover plate. Two sets of staggered limiting baffles are installed inside the deodorization tower, positioned between the air inlet and outlet ends. An air outlet pipe is installed at the air outlet end of the deodorization tower. The two sets of limiting baffles form an S-shaped deodorization chamber within the deodorization tower. The beneficial effect of this utility model is that by setting an S-shaped deodorization chamber within the deodorization tower, the residence time of the collected odorous gas within the tower can be effectively extended, allowing the collected odorous gas to fully interact with the sprayed chemical solution, thereby improving the deodorization effect of the chemical solution.

This invention relates to the field of cable testing technology, specifically a cable connection testing device for flame-retardant cable installation, comprising: a base plate; a positioning and guiding mechanism, wherein the positioning and guiding mechanism for positioning and guiding the cable under testing is disposed at the top of the base plate; a testing mechanism, wherein the testing mechanism for testing the surface flatness of the cable is disposed at the top center of the base plate; and a cleaning mechanism; the guiding component in the positioning and guiding mechanism of this device can be freely adjusted according to the cable specifications, enabling better guidance of the cable, while the positioning component can center the cable, ensuring that the cable is in a centered state during testing, thus improving the accuracy of testing; under the action of the transmission component, the cleaning component can rotate synchronously with the guiding component, allowing the cleaning block to rotate and clean, preventing dust and impurities on the cable surface from affecting the testing of the cable surface flatness.

This utility model discloses a quick-connect structure for PVC sewage pipes, relating to the field of pipe connection technology. It solves the problems of inconvenience and low sealing performance of existing devices by adopting the following solution: a connection assembly is installed between pipe A and pipe B. This quick-connect structure for PVC sewage pipes, through the connection assembly and locking sleeve, allows pipes A and B to be inserted sequentially into connecting pipes A and B, respectively. Then, the locking sleeve provides locking and limiting. The structure is simple, reduces production costs, and improves ease of use. Simultaneously, the locking sleeve and rubber layer, along with the drainage direction, allow pipe A to be inserted into the inner wall of connecting pipe A, and connecting pipe B to be inserted into pipe B, preventing direct water flow. The rubber layer improves the sealing performance of the connection. Finally, the locking sleeve and locking bolt lock and limit the connection of pipes A and B, improving the contact of the connection and thus enhancing its sealing performance and effectiveness.

The application relates to a shell assembly and an electronic device. The earphone comprises a magnet and two electrode terminals. The two electrode terminals and the magnet are arranged adjacently. The magnet is used for cooperating with a magnetic attraction structure of the charging device to charge through the electrode terminals. In the extension direction of the electrode terminals, the two electrode terminals are arranged as a line segment at intervals. The magnet intersects with the line segment and is at least partially located between the two electrode terminals. The application can improve the abutting capability between the electrode terminals and the charging device and reduce the probability of poor contact.

The utility model relates to the technical field of extraction towers, and discloses a DMF (Dimethyl Formamide) recovery extraction tower based on a metal pore plate filler, which comprises an extraction tower shell, a feeding pipe and a liquid inlet pipe are arranged on the upper part of the surface of the extraction tower shell, a gas discharging pipe is arranged on the upper surface, and a liquid discharging pipe is arranged on the lower part; the metal pore plate filler layer is arranged in the inner cavity of the shell, so that the mass transfer area can be increased, two extracted phases are contacted more fully, and the extraction efficiency is improved. The spraying frame is installed at the liquid outlet end of the liquid inlet pipe, the first nozzles are evenly distributed at the bottom, the inclined second nozzles are installed between the first nozzles, liquid can be sprayed at different angles, the distribution range is enlarged, and the two-phase contact effect is enhanced. A motor is arranged in the middle of the spraying frame, a rotor of the motor is coaxially provided with a rotating plate, cleaning brushes are arranged on the rotating plate corresponding to the nozzles, and when the motor drives the rotating plate to rotate, the cleaning brushes can clean the nozzles, prevent blockage, ensure uniform and stable liquid spraying and maintain normal operation and extraction effect of the extraction tower.

This invention relates to the field of air pollution control technology, specifically a high-temperature flue gas emission desulfurization and denitrification device, comprising a denitrification mechanism and a desulfurization mechanism. The denitrification mechanism employs a vacuum-jacketed mounting cylinder, which contains an array of denitrification arc-shaped guide holes and a combined denitrification module. The module includes a denitrification guide cylinder, an arc-shaped filter screen, and a limiting guide cylinder with oblique guide grooves, effectively expanding the catalytic area and uniformly distributing the flow. A back-blowing fan and an elastically limiting rotating guide plate are also included to achieve online vibration self-cleaning. The desulfurization mechanism introduces flue gas into the desulfurization mounting cylinder through a gradient annular guide cylinder and uniformly enlarging inlet holes from top to bottom, forming a gradient three-dimensional desulfurization. A bottom discharge drive and a spiral guide plate ensure uniform catalyst renewal. This device has a compact structure, excellent insulation and airflow organization, and solves problems such as ash accumulation and blockage, difficult maintenance, and low catalyst utilization in existing technologies, thus improving denitrification and desulfurization efficiency and continuous operation stability.

The utility model discloses a locking connector relates to locking connector technical field, including outer conductor, dielectric medium and inner conductor, the bottom of outer conductor is equipped with the close mouth shape locking structure, the inner wall of close mouth shape locking structure is by at least two different taper face of inclination continuous transition composition. The outer conductor top extends four round pins, and the stress release groove is equipped with in the pin root, and four pins are centrally symmetric distribution. The utility model discloses simple structure, through setting up multi -end taper face close mouth structure, namely through 20 shallow taper face and 40 steep taper face combination design, avoid excessive deformation while guaranteeing locking force. Optimize pin layout, adopt 2.9mm 3.1mm equidistance distribution's round pin, cooperate unique stress release groove, reduce stress, enhance inner conductor contact ability and signal transmission capacity.

The application provides a semiconductor device and a manufacturing method thereof. The semiconductor device comprises a substrate, an isolation region in the substrate and defining a plurality of active regions, a plurality of bit lines on the substrate, and a plurality of contact plugs between the bit lines, wherein each contact plug comprises a bottom in the active region of the substrate, and the side of the bottom adjacent to the active region comprises at least a first side and a second side in different planes. By forming a plurality of sides in different planes adjacent to the active region, the contact area with the active region is increased, the contact resistance is reduced, the contact performance of the semiconductor device is improved, and the read / write speed of the semiconductor device is improved.

This utility model discloses a VC liquid-cooled heat dissipation busbar trunking. It includes an installation frame composed of a pair of C-shaped steel sections and copper busbar conductors covered with insulation. Multiple sets of copper busbar conductors are installed inside the installation frame. The C-shaped steel sections have installation slots extending along their length. A heat dissipation mechanism consisting of a front heat dissipation component and a rear heat dissipation component is provided on the diagonal of the C-shaped steel sections. VC liquid-cooled plates are inserted into the installation slots. The VC liquid-cooled plates have an L-shaped structure and are arranged in pairs. The VC liquid-cooled plates are inserted through the installation slots on the left and right sides and are spaced apart within the installation frame, with gaps between adjacent VC liquid-cooled plates to accommodate the copper busbar conductors. The copper busbar conductors are placed within these gaps. The advantages are: by arranging the VC liquid-cooled plates in pairs, the VC liquid-cooled plates can contact each copper busbar conductor, thereby achieving heat dissipation; and the heat dissipation mechanism added to the C-shaped steel allows for targeted exhaust of accelerated air.

This utility model relates to the technical field of industrial silicon smelting equipment, specifically to an in-furnace resistance temperature measuring frame for industrial silicon smelting, comprising a furnace body, a support structure, a heat dissipation and protection structure, and an electrode measuring structure; the support structure includes an L-shaped support base and a connecting plate, one side of which is fixedly connected to the support base via a heat insulation plate, and an electric telescopic rod is fixedly mounted on top of the support base; the heat dissipation and protection structure is a heat insulation shell, which wraps around the support base and the electric telescopic rod, and the top of the heat insulation shell is connected to a heat dissipation channel extending to the outside of the furnace body; the electrode measuring structure includes an electrode rod, an electrode head, and a connecting frame, with the extended end of the electric telescopic rod fixedly connected to the top of the connecting frame, a rotating ring rotatably connected to the middle of the connecting frame, and the outer side of the rotating ring fixedly connected to one end of the electrode rod via a connecting lug, and the other end of the electrode rod fixedly connected to the electrode head.

The utility model discloses a kind of portable low-noise wool shears, comprising: handle main body;Motor, it is fixedly installed on upper support;Gear set, it includes first gear shaft and second gear shaft, first gear shaft is provided with first gear and first incomplete gear, first gear is engaged with driving gear, second gear shaft is provided with second gear and second incomplete gear, first gear shaft and second gear shaft are rotatably installed on upper support, second gear is engaged with first gear;Press claw, its back is provided with rack portion for engaging with first incomplete gear, second incomplete gear;Moving blade;Fixed blade.The utility model compared with prior art, solve the problem that existing electric wool shears is easy to fatigue and has big vibration, big noise.

The present application provides a lithium battery baking device, including a fixed frame and a clamp, the clamp includes a heating plate and a conductive plate provided with a plurality of electrical contacts, the heating plate is electrically connected with the conductive plate, by making the clamp slidingly arranged on the fixed frame, and setting a swing structure including a swing element and a rotary body and the swing element can change in a preset angle range relative to the rotary body, the rotary body is arranged on the fixed frame and the probe assembly is arranged on the swing element, in the process that the clamp approaches the swing structure until the clamp stops moving relative to the swing structure, the electrical contacts on the conductive plate and the probe end of the probe assembly arranged on the swing element can be continuously in dynamic contact and gradually adjusted to the state of face-to-face contact. The present application can eliminate the poor contact problem of the probe and the electrical contact or improve the stability of the electrical connection between the two, thereby eliminating the potential safety hazard that the electrical contact is burned out due to vacuum discharge caused by poor contact between the two.

The utility model relates to feed processing technical field, concretely is a kind of packing device for feed production, including hopper, the tail end of the hopper is fixedly connected with the guide pipe, the outer wall of the guide pipe is fixedly equipped with fixed frame, the both sides of the both sides of the fixed frame are hinged with movable handle, arc clamping plate is fixedly connected between same side two movable handle, for compacting packaging bag, the inner side wall of the arc clamping plate is fixedly connected with electromagnet plate, the outer wall lower side of the guide pipe is fixedly equipped with iron ring, the outer wall of the arc clamping plate is hinged with pneumatic cylinder, the other end of the pneumatic cylinder is hinged with the outer wall of hopper through hinged seat.The utility model can utilize electromagnet plate to be adsorbed on the surface of iron ring when arc clamping plate is clamped on the outer wall of guide pipe by electric push rod, so as to be favorable to the clamping effect of packaging bag, so as to be favorable to avoid the situation of slipping.