45results about How to "Reduce fixation steps" patented technology

The invention discloses intelligent clamping and fixing equipment for circuit board welding. The intelligent clamping and fixing equipment is characterized by comprising a fixed clamping assembly, a moving clamping assembly and an angle adjustment device, the moving clamping assembly is used for adjusting the distance with the fixed clamping assembly and jointly clamping a circuit board with the fixed clamping assembly, and the angle adjustment device is used for adjusting the angle of the included angle between the circuit board and the horizontal plane. The intelligent clamping and fixing equipment is stable in structure and fast and convenient to disassembly and assembly, the angle adjustment device adjusts the angle of the included angle between the circuit board and the horizontal plane so as to meet the board inspection or welding need, indexing holes are formed in two rotating discs, the numbers of the indexing holes in the two rotating discs are different, and the angle of theincluded angle between the circuit board and the horizontal plane can be quickly and effectively adjusted through the matched used of the two rotating discs; and the moving clamping assembly is arranged so as to facilitate clamping of the circuit boards of different length, in addition, a low-order plate is fixed through a sucking disc, the many traditional fixing steps are reduced, and the welding efficiency is improved accordingly.

The invention provides a method for measuring cytotoxicity of condensate of main stream smoke of cigarettes, which is characterized by comprising the following steps: 1) preparation of laboratory reagent, 2) preparation of the condensate of smoke, 3) cells inoculation and culture, 4) contamination of the condensate of smoke, 5) neutral red dying, and 6) result and analysis. The content of the method is as follows: on the basis of the principle of neutral red cell toxicity tests, test procedures are improved according to the cytotoxicity characteristics of the condensate of the main stream smoke of cigarettes, and a method for measuring cytotoxicity of condensate of main stream smoke of cigarettes with low hazard is established. In the invention, the step for fixing formaldehyde fixing solution is reduced to cause the test procedures to be simpler, and simultaneously, the condensate of the main stream smoke of cigarettes is a complex mixture system, has the toxic characteristics of low toxicity and the like and improves the diluted culture solution of samples, namely that the concentration of fetal calf serum is regulated from 10% to 5%, therefore, the test result is more accurate and reliable. The method has the advantages of simpler operation, higher sensitivity and more reliable results.

The invention provides a preparation method and application of a self-supporting Pd-Ag-Ni ternary metal catalyst. The preparation method comprises the following steps: step 1, pretreating nickel foam; step 2, taking the pretreated nickel foam as a substrate, immersing the pretreated nickel foam into an AgNO3 precursor solution, enabling metal Ni and Ag+ to carry out galvanic substitution, forming a metal Ag layer on the surface of foam Ni to obtain Ag substituted nickel foam, cleaning with ultra-pure water, and drying for subsequent use; and step 3, taking out the Ag substituted nickel foam, immersing the Ag substituted nickel foam in a K2PdCl4 precursor solution, enabling metal Ag on the nickel foam in the step 2 and [PdCl4] 2- to carry out partial galvanic substitution, taking out, cleaning with ultra-pure water, and drying to obtain the self-supporting Pd-Ag-Ni ternary metal catalyst. The prepared self-supporting Pd-Ag-Ni ternary metal catalyst has excellent activity to electrocatalytic oxidation of methanol in an alkaline environment, and has good application prospect in the field of low-temperature methanol fuel batteries.

The present invention belongs to the technical field of cables and discloses a fixing device for a pre-branch cable. The fixing device comprises a first fixed bracket, an end surface of the first fixed bracket is equipped with a main wire clamping seat, the main wire clamping base includes a first upper clamping plate and a first lower clamping plate, one end of the first upper clamping plate is hinged to the first lower clamping plate, and the opposite sides of the first upper clamping plate and the first lower clamping plate are provided with first arched groove in an opposite arrangement. The fixing device further comprises a branch wire clamping seat and a telescopic rod, two ends of the telescopic rod are rotatingly connected to a main wire clamping seat and the branch wire clamping seat, the branch wire clamping seat comprises a second upper clamping plate and a second lower clamping plate, one end of the second upper clamping plate is hinged with the second lower clamping plate,and the opposite sides of the second upper clamping plate and the second lower clamping plate are provided with second arched groove in an opposite arrangement. According to the scheme of the invention, the wire arrangement between a main cable and a branch cable of the pre-branch cable can be flexibly achieved.

The invention relates to a forming manufacturing machining machine and a machining method for a low-voltage insulator. The forming manufacturing machining machine comprises a fixing table board, a mounting frame, a pushing pressing mechanism and a material placing mechanism, wherein the upper end of the fixing table board is provided with the mounting frame, the lower end of the mounting frame isprovided with the pushing pressing mechanism, the lower end of the pushing pressing mechanism is tightly attached to the upper end of the material placing mechanism, the material placing mechanism ismounted on the fixing table board, blanking openings and material placing grooves are uniformly formed in the fixing table board in the circumferential direction of the fixing table board, the blanking openings and the material placing grooves are arranged at intervals, and the blanking openings and the material placing grooves each are of a circular structure. According to the forming manufacturing machining machine, through the common cooperation of the pushing pressing mechanism and the material placing mechanism, the operation of grinding the outer surface of the hexagonal low-voltage insulator is completed; and a grinding frame matched with the shape of the low-voltage insulator is arranged on the material placing mechanism in advance, so that it is guaranteed that the grinding frameis attached to the surface of the low-voltage insulator without repeated position adjustment of the material placing mechanism before grinding, the grinding efficiency is effectively improved, and thegrinding effect is guaranteed.

The invention discloses a transducer, which comprises a conductive terminal, a first shell and a second shell and is characterized in that the conductive terminal comprises a first conductive part, a second conductive part which is connected with the first conductive part and a third conductive part which is connected with the second conductive part; the first shell is provided with a channel and a retaining wall; the second shell is provided with a baffle plate; the first conductive part of the conductive terminal goes through the channel; the second conductive part of the conductive terminal is hung at a through groove between the baffle plate and the retaining wall; the third conductive part of the conductive terminal is exposed outside the first shell and the second shell, which realizes good electric link. The invention also discloses an assembly method of the transducer and is characterized in that the first conductive part of the conductive terminal is inserted into the channel of the first shell; the second conductive part of the conductive terminal is parallel with the retaining wall; the third conductive part of the conductive terminal is exposed outside the first shell and the second shell; therefore, the process is simplified and the cost is saved.

The invention provides a method for measuring cytotoxicity of condensate of main stream smoke of cigarettes, which is characterized by comprising the following steps: 1) preparation of laboratory reagent, 2) preparation of the condensate of smoke, 3) cells inoculation and culture, 4) contamination of the condensate of smoke, 5) neutral red dying, and 6) result and analysis. The content of the method is as follows: on the basis of the principle of neutral red cell toxicity tests, test procedures are improved according to the cytotoxicity characteristics of the condensate of the main stream smoke of cigarettes, and a method for measuring cytotoxicity of condensate of main stream smoke of cigarettes with low hazard is established. In the invention, the step for fixing formaldehyde fixing solution is reduced to cause the test procedures to be simpler, and simultaneously, the condensate of the main stream smoke of cigarettes is a complex mixture system, has the toxic characteristics of lowtoxicity and the like and improves the diluted culture solution of samples, namely that the concentration of fetal calf serum is regulated from 10% to 5%, therefore, the test result is more accurate and reliable. The method has the advantages of simpler operation, higher sensitivity and more reliable results.

The invention relates to a filling-sealing method of a circuit structure and a filling-sealing circuit structure. The filling-sealing method comprises the steps that an inductance mold is fill-sealed with an inductance pouring sealant to form an inductance device; after the inductance device is demolded, the fill-sealed inductance device is assembled in the circuit structure to be fill-sealed; the circuit structure is fill-sealed by adopting a circuit pouring sealant. The filling-sealing circuit structure comprises multiple components, at least one inductance device in the multiple components is coated or covered by fill-sealing inductance pouring sealant, and the inductance devices coated or covered with the inductance pouring sealant and other components are coated or covered by fill-sealing the circuit pouring sealant. Before the inductance devices and other components are fill-sealed together, the components are already coated with the inductance pouring sealant through primary fill-sealing, the coated inductance pouring sealant can protect a magnetic core of each inductance device against stress impact of the circuit pouring sealant in whole circuit structure fill-sealing, accordingly inductance quantity decrease is prevented, and EMC performance is ensured.

The invention relates to embroidery equipment, specifically to a feeding apparatus for an embroidery machine. The feeding apparatus comprises a bracket and a worktable arranged on and fixedly connected with the bracket, wherein a feeding mechanism convenient for feeding is mounted on the worktable; the feeding mechanism comprises rotating wheels rotatably connected with both ends of the worktable,a conveyor belt wound between two groups of the rotating wheels, a driving motor arranged on and fixedly connected with the worktable, and a plurality of groups of clamping mechanisms arranged on thesurface of the conveyor belt; the output shaft of the driving motor is fixedly connected with the rotating wheels; and a feeding assembly convenient for feeding is arranged on one end of the worktable. A fabric is clamped by the clamping mechanisms; the driving motor drives the rotating wheel to rotate; the rotating wheels drive the fabric to move through the conveyor belt; and thus, the step ofmanual fixing of the fabric is omitted. Since the fabric is fixed by a mechanical structure instead of human beings, the production efficiency of the embroidery machine is improved.

The invention relates to the technical field of drainage devices, and discloses a drainage device for cardiovascular surgery. The drainage device includes a pedestal; the top surface of the pedestal is fixedly connected to a negative pressure box and a fixing table; the top surface of the fixing table is movably sleeved by a movable sleeve; the side of the movable sleeve is sleeved by a support plate; the top surface of the support plate is fixedly connected to fixing sleeves; and storage bottles are movably sleeved by the fixing sleeves. Through the fixed connection of the fixing table on thetop surface of the pedestal and the movable clamping connection of the movable sleeve on the outer surface of the fixing table, the movable sleeve can rotate on the outer surface of the fixing table,and the outer surface of the movable sleeve is movably sleeved by the support plate; the multiple sets of the storage bottles can be stably placed by using the fixing sleeves on the support plate, sothat a suction catheter can be directly changed and communicates with a new storage bottle after the storage of one bottle is accomplished, therefore, the change speed of the storage bottles can be accelerated, the pain level of patients can be decreased, and use convenience can be enhanced.

The invention relates to an assembly type wall, and relates to the technical field of constructional engineering. The assembly type wall comprises a first wall plate and a second wall plate, a plurality of inclined blocks are obliquely arranged on the side wall of the first wall plate, and a plurality of inclined grooves allowing the inclined blocks to be inserted are formed in the side wall, facing the first wall plate, of the second wall plate. Through clamping of the inclined blocks and the inclined grooves, the first wall plate and the second wall plate are fixed in the length direction and the width direction, so that the step of fixing the first wall plate and the second wall plate is omitted, and the assembly type wall has the advantage of improved wall assembly efficiency.

The invention relates to the technical field of power equipment detection, in particular to an electric tower equipment anti-seismic detection device and method.The electric tower equipment anti-seismic detection device comprises a base and a controller, a counter is fixedly mounted in the controller, a displayer is arranged on the controller, and the electric tower equipment anti-seismic detection device further comprises a fast mounting mechanism, a shaking mechanism and an air blowing mechanism; the quick mounting mechanism comprises two telescopic assemblies and four locking assemblies, the blowing mechanism comprises a transmission assembly, a rotating assembly and two industrial fans, a bearing plate is fixedly arranged beside the sliding plate, each industrial fan is rotationally connected with the inner wall of the bearing plate through a first hinge shaft, and the two industrial fans are sleeved with the rotating assembly; according to the anti-seismic detection device and method for the electric tower equipment, anti-seismic detection can be conducted on the electric tower equipment, meanwhile, the vibration frequency and the wind speed can be adjusted, the anti-seismic performance of the electric tower equipment under different conditions can be simulated, and practicability is higher.

The invention discloses an oil pump connection structure comprising a cam shaft component, an inner rotor and an outer rotor, wherein the cam shaft component comprises a cam and a rotor shaft; the rotor shaft is provided with an oil hole; the inner rotor is installed in the outer rotor; the lower end of the rotor shaft is set to be a D-shaped shaft; a middle hole of the inner rotor is set to be a D-shaped hole matched with the D-shaped shaft; and the D-shaped shaft is sleeved in the D-shaped hole of the inner rotor. According to the oil pump connection structure, the lower end of the rotor shaft is set to be the D-shaped shaft to be used in conjunction with the D-shaped hole in the middle of the inner rotor, the installation is simple and convenient so long as the D-shaped shaft is inserted into the D-shaped hole, a step for fixing by a key or a pin is reduced, the steps of installation are saved, and the oil pump connection structure is simple and practical.

The present invention belongs to the technical field of cables and discloses a fixing device for a pre-branch cable. The fixing device comprises a first fixed bracket, an end surface of the first fixed bracket is equipped with a main wire clamping seat, the main wire clamping base includes a first upper clamping plate and a first lower clamping plate, one end of the first upper clamping plate is hinged to the first lower clamping plate, and the opposite sides of the first upper clamping plate and the first lower clamping plate are provided with first arched groove in an opposite arrangement. The fixing device further comprises a branch wire clamping seat and a telescopic rod, two ends of the telescopic rod are rotatingly connected to a main wire clamping seat and the branch wire clamping seat, the branch wire clamping seat comprises a second upper clamping plate and a second lower clamping plate, one end of the second upper clamping plate is hinged with the second lower clamping plate,and the opposite sides of the second upper clamping plate and the second lower clamping plate are provided with second arched groove in an opposite arrangement. According to the scheme of the invention, the wire arrangement between a main cable and a branch cable of the pre-branch cable can be flexibly achieved.

The invention provides a calibration method and device for a prefabricated wall, and belongs to the technical field of building construction. The calibration device for the prefabricated wall is used for pre-supporting the prefabricated wall, then a wall bottom surface prefabricated component and a wall inclined support prefabricated component are cut and installed according to various sizes required by supporting of the calibration device for the prefabricated wall, and supporting of the prefabricated wall is completed; and in the adjusting process of the calibration device for the prefabricated wall, only a fork plate needs to be inserted into the prefabricated wall to be fixed, the top of a telescopic supporting rod is connected with the prefabricated wall, and then inclined supporting can be completed. According to the calibration method and device for the prefabricated wall, the step of fixing the inclined support to the ground is omitted, and the technical effect of saving time in the adjusting process is further achieved.

The invention relates to a low-voltage insulator forming and processing machine and processing method, including a fixed table top, a mounting frame, a pushing mechanism and a material placement mechanism. The lower end of the pressing mechanism is closely attached to the upper end of the feeding mechanism, and the feeding mechanism is installed on the fixed table, and the fixed table is evenly opened along its circumferential direction with a blanking port and a feeding trough, and the blanking port and the feeding trough are arranged alternately , and both the blanking port and the trough are circular in structure. The present invention completes the work of grinding the outer surface of the hexagonal low-voltage insulator through the joint cooperation of the pushing mechanism and the material-setting mechanism. The repeated position adjustment of the material setting mechanism can ensure that the grinding frame is in close contact with the surface of the low-voltage insulator, which effectively improves the grinding efficiency and ensures the grinding effect.

The invention discloses an output-type automatic measuring instrument for the shape of camphor tree fruits and seeds, which relates to the technical field of automatic measurement and includes an equipment box, a side of the equipment box is fixedly connected with a driving motor, and an output end of the driving motor is fixedly connected with a A driving rod, the left end of the driving rod is rotatably connected with the equipment box, and a transmission block is fixedly sleeved on the surface of the driving rod. In the present invention, under the cooperation of the feeding port, the fruit conveying pipe, the screening net and the seed conveying pipe, The classification of fruits and seeds is automatically completed. With the cooperation of gears, gear teeth, sliding rods and transmission blocks, after measuring the front side of fruits and seeds, it will automatically turn over half a circle and measure the reverse side of fruits and seeds again, so that the measuring instrument can The whole picture of the seed or fruit is detected, and the top of the seed or fruit is automatically identified. After identification, the height of the fruit or the seed can be measured, and the length and width perpendicular to the height of the seed or fruit can be measured at the same time.

The invention discloses an assistant vehicle light-reflecting warning flag for an open-pit mining area. The assistant vehicle light-reflecting warning flag comprises a bottom plate, a frame and a warning picture are fixed on the side face of the bottom plate, a cavity is formed inside the frame, a magnet block is fixed inside the cavity, a cylindrical barrel and a retaining plate are fixed on theside face of the bottom plate, a rotating rod is movably mounted inside the cylindrical barrel, a moving rod is fixed at one end, away from the cylindrical barrel, of the rotating rod, a magnet strippenetrates the side face of the moving rod, a sponge strip is fixed at the bottom of the moving rod and contacts with the warning picture, and a groove is formed in the bottom of the rotating rod andmovably connected with the retaining plate in a clamped manner. Dust on the surface of a warning picture of the sponge strip is cleaned timely by utilizing homopolar repellence of magnets and vibration of an assistant vehicle during moving; a fixing step is simplified, and the light-reflecting warning flag is fixed more firmly, thereby having high practicability.