37results about How to "Adjustable interval" patented technology

The invention discloses a method for generating a broadband OFC (Optical Frequency Comb). A 50 line broadband optical frequency comb is generated by adopting a cascade structure of a DPMZM (Double-Parallel Mach-Zehnder Modulator) and two Mach-Zehnder IMs (Intensity Modulators) and adjusting a radio frequency amplitude and a direct current offset voltage of each modulator, the power is smooth, and the interval between spectral lines is adjustable. The optical comb performance generated in the scheme is relatively good, and great significance is achieved for the application and development of the broadband OFC in the optical communication field. The system structure of the device and method for generating the broadband OFC is relatively simple, easy to implement, and conductive to reducing the system cost.

The invention provides a detection method and system of a capacitance-type touch screen. The detection method comprises the following steps of: dividing the capacitance-type touch screen into a plurality of test units, and providing a touch joint comprising a plurality of conductive terminals; then enabling the touch joint to be in contact with the capacitance-type touch screen; then controlling a loop with the plurality of conductive terminals by utilizing a control circuit; triggering the test units according to predetermined rules; and finally judging whether the triggered test units correspond to the predetermined rules or not according to touch conditions received by the capacitance-type touch screen so as to confirm whether the capacitance-type touch screen passes detection or not. The detection method and system provided by the invention can be used for fast finding the defect of touch ineffectiveness caused by assembly, simplifying the test process and increasing the test speed.

The invention relates to the technical field of integrated optical devices and the like, and aims to design a tunable filter for an optical network node, which consists of a polarization beam splitter and a polarization converting unit, wherein the polarization beam splitter is formed by an interdigital electrode group cascade structure which utilizes the N-level periodical distribution controlled by discrete voltages on X-tangent Y-transfer titanium scattered lithium niobate waveguides, the periodical perturbation of the refractive index is generated through regulating all the discrete voltages on the Y direction, so the polarization conversion of a standard TE mode and a standard TM mode is carried out when the wavelengths satisfy the phase matching rule, and the filtering is realized through the polarization beam splitter. The invention simultaneously provides a solving method of the discrete voltage of the filter, so the electro-optical bidirectional finite impulse response (FIR) filtering is realized. The invention has the advantages of quick response speed, high side mode suppression ratio, good rectangular degree and tunable pass band width.

The present invention relates to a safety device which reduces shocks and controls the opening / closing of a door of an elevator to prevent hands from being pinched in the elevator when hands of a user are pinched between the elevator door and a doorframe. The device comprises: a fixing frame where a cross-section, installed across the overall length of a stopper protrusion unit of a doorframe between the doorframe of an elevator door and a hall door of the elevator, is formed as an U shape; a rotating frame which is formed as a plate and installed to be able to rotate on one end portion of the fixing frame ; an operating pin which is installed in the fixing frame to support the back surface of the rotating frame, is supported by a spiral spring, is put towards the inside of the fixing frame by means of the rotation of the rotating frame, and protrudes towards the outside of the fixing frame by means of elasticity of the spiral spring; a switch which is installed in the inside of the fixing frame to be operated if the operating pin is put into the inside of the fixing frame by means of the rotation of the rotating frame; and a controller which is connected to the switch and stops the operation of the hall door of the elevator or controls the speed of the opening / closing of the elevator when the switch is operated.

The present invention relates to a femtosecond laser pulse compression module. The femtosecond laser pulse compression module adopts the transmission-type grating pair, a reflecting assembly adopts a right angle emission prism, and the grating pair are spaced and adjustable. A pulse compression module comprises a grating 11, a grating clamp 13, a grating 22 and a grating clamp 24, the right angle emission prism 6 and a prism fixing clamp orderly. The femtosecond laser pulse compression module of the present invention adopts the transmission-type gratings, is high in efficiency, at the same time, the gratings are spaced and adjustable, so that the femtosecond pulse output of different pulse widths can be obtained, and the different pulse width demands can be satisfied.

The invention discloses a foldable multifunctional integrated health machine. The foldable multifunctional integrated health machine comprises a lower box body and an upper box body which is hinged to the lower box body; the upper box body comprises a left box cover and a right box cover which are arranged side by side, and a detection host, a display screen and a wire storage slot are arranged in the lower box body; the connection port of the detection host is connected with one or more detection probes through connecting wires, the wire storage slot is located at the side of the connection port of the detection host, the display screen is connected with the detection host, and a foldable telescopic supporting leg is arranged on the outer bottom of the lower box body; the foldable telescopic supporting leg comprises a rotary connecting piece, a foldable telescopic support rod and a universal wheel. The connection port of the detection host is provided with a clamp board for fixing plugs of the connecting wires in the connection port, and the display screen is in wireless connection with the detection host through a wireless transmission module. The foldable multifunctional integrated health machine is convenient to move, is various in function, does not need to insert and pull out the connecting wires for the detection probes, and enables the time and labor to be saved in use.

The invention provides a laser contour sensor calibration system and method based on a cross point. The system comprises a calibration object, a two-dimensional workbench, a laser contour sensor, a positioning mechanism and a computer; the calibration object is fixed on the two-dimensional workbench and can move along with the two-dimensional workbench; the laser contour sensor is located on the positioning mechanism and is fixed; the calibration object has two intersecting planes; an intersection line of the two intersecting planes directly faces the laser contour sensor; and the computer isconnected with the two-dimensional workbench and the laser contour sensor. The calibration object has the two intersecting planes; an intersection point of a straight line formed on the two planes byline laser serves as a spatial point; a displacement method is adopted to calibrate the laser contour sensor; and the system has the outstanding advantages of being simple in calibration object, easyto manufacture, high in spatial point coordinate calculation accuracy, free of deformation influence and the like, and is suitable for any type of contour calibration.

The invention relates to a tray-type hand-pushed forklift, which is mainly used for loading, unloading and transporting metering devices and belongs to the field of power application. The tray-type hand-pushed forklift comprises a forklift body, a wheel and forks. The forks are respectively provided with a retractable mechanism. A retractable transverse beam is arranged between the forks. The tray-type hand-pushed forklift has the advantages that the transfer speed is improved by three times; two times of loading and unloading electric energy metering devices are reduced; the labor force is saved and the cost is reduced; the length and the space of the forks are adjustable, the forklift can be used for transporting the metering devices with different sizes and different specifications and the application scope is wide; and since supporting plates can isolate the metering device from the ground, the metering devices are prevented from being soaked in water, the potential safety hazards are prevented from occurring and the electric energy metering devices can be conveniently transferred to other places at any time.

The invention provides a coating device and a coating method to enable a non-coated area for a liquid material to be formed on a substrate in an efficient and effective manner. The coating device (1) enables a non-coated area, without coating of an organic electroluminescent liquid (3), on a substrate (P). The coating device (1) comprises a platform (21), a holding substrate (P), a nozzle unit (50) spraying the organic electroluminescent liquid (3) toward the main surface of the substrate (P), a nozzle moving mechanism (51) and a platform moving mechanism (26) that enable the nozzle unit (50) to relatively move in a main scanning direction (X-axis direction) and a subsidiary scanning direction (+Y direction) via the substrate (P) held by the platform (21), and a masking mechanism (6) for providing a masking tape (611) in a way that the portion of the main surface of the substrate (P) is opposite to the corresponding non-coated area and also enabling the masking tape (611) to move along with the movement of the substrate (P).

The invention discloses a breaking machine which comprises a cabinet, a take-up and pay-off system, a tension system, a working operation table, a wire arranging system and a spindle system. The spindle system is fixedly mounted on the outer side of the cabinet and is located right above the working operation table, and the spindle system is used for winding a metal wire and winding the metal wireinto a plurality of segments to cut a to-be-cut object; a plurality of main guide wheels are separately arranged in a spaced manner and the separation distance between two adjacent main guide wheelscan be adjusted to each other; and a connecting seat can be adjusted in position and angle along a slide bar, so that the separation distance and angle between transitional guide wheels are adjusted.Compared with the prior art, the breaking machine is simple in operating mode and large in cutting thickness and can meet more cutting demands.

The invention discloses a plate punching die. The horizontal cross sections of upper dies are in U shapes; lower dies are provided with U-shaped die holes corresponding to the upper dies; the upper dies are located right above the lower dies; when the upper dies move downwards, the upper dies are just inserted into the U-shaped die holes of the lower dies so as to punch out U-shaped pieces; the multiple upper dies and the multiple lower dies are arranged; the quantities of the upper dies and the lower dies are consistent; T-shaped sliding blocks of the upper dies are in sliding fit with sliding chutes arranged in a pressing beam along a linear direction of upper die arrangement; a section of stroke distance is left between the top surface of each T-shaped sliding block and a groove bottomof the corresponding sliding chute; the gap between each two adjacent lower dies can be adjusted through an adjusting mechanism; the upper ends of the lower dies are planes; the lower ends of the lower dies are inclined surfaces which are downwards inclined toward one sides of openings of the U-shaped structures of the U-shaped die holes; conveying plates are arranged under the inclined surfaces in parallel; and a strip-shaped notch formed along a U-shaped piece conveying direction is formed in the output end of the bottom part of each conveying plate. The die punching and finished product transferring efficiency is high, and materials are fully utilized.

A massage device provides a massage effect close to a thumb massage technique by a masseur. The massage device has first and second rubbing bodies 4 and 5. The first rubbing body 4 is made to perform turning motion provided with a rub-up section A1 for approaching the second rubbing body 5 in a track expanded outwards viewing from a rubbing arm 2 and a release section A2 for separating from the second rubbing body 5 in the track shorter than the rub-up section A1 and the second rubbing body 5 is made to perform back and forth swinging motion synchronized with the first rubbing body 4.

The invention relates to a precast slab shelf. Traditional precast slab shelves are generally fixed support frame structures, and the numbers and the specifications of stored precast slabs are fixed, so that the generality is weaker, and the transfer process is more inconvenient. The precast slab shelf is characterized by comprising two parallel bottom support columns; stand columns are respectively arranged at two ends of the bottom support columns; multiple parallel bearing ribs are arranged at the upper parts of the bottom support columns; the bearing ribs are perpendicular to the bottom support columns; the stand columns are two-section sleeve structures; the up-down heights of the stand columns are adjustable; two stand columns on one side of the shelf are coupled to a stand column base; and the stand columns can be downwards overturned onto the ground. The stand columns adopt sleeve extension structures, can adjust the up-down heights, can store higher three-dimensional precast slabs, and also can store single precast slabs. The stand columns on one side can be overturned and guided to the ground for convenient transfer. The stand columns on the other side can be inwards overturned to form cross stop structures for preventing dumping of the precast slabs from the side parts. The bearing ribs are adjustable in intervals; and the bearing layout of the shelf can be overally adjusted for convenient storage of the precast slabs with different specifications.

The invention provides a guide apparatus for substrate transfer which can prevent the substrate from swinging or bending in the transfer and processing process of the substrate so as to prevent the substrate from being damaged by impact and stably convey the substrate. To this end, the present invention discloses the following features: a side support roller for guiding the conveyance of a substrate while rotating in contact with the side surface of the substrate; a lower support roller that is disposed at a distance from the side support roller in the width direction of the substrate and supports the substrate while rotating in contact with the lower surface of the substrate; a base member that rotatably supports the side surface support roller and is provided so as to be capable of adjusting a gap between the side surface of the substrate and the side surface support roller; and a lower support member that rotatably supports the lower support roller, connects the base member and thelower support roller, and is provided so as to be capable of adjusting the position of the lower support roller.

The invention relates to a breaker press-pull testing stand and a test method thereof, and solves the technical problems that a present press-pull type breaker test process is low in efficiency, highin cost and low in accuracy. The testing stand comprises a casing, a PLC, a two-position five-way solenoid valve, a cylinder and a clamp, the cylinder is connected with first and second magnetic switches, and a telescopic rod of the cylinder is connected with a magnet ring; the first magnetic switch and a first coil on the two-position five-way solenoid valve are connected in series and then connected between a first voltage pulse output port and a GND port of the PLC, and the second magnetic switch and a second coil on the two-position five-way solenoid valve are connected in series and thenconnected between a second voltage pulse output port and the GND port of the PLC; and a node between the first magnetic switch and the first coil on the two-position five-way solenoid valve is connected to a first switching value input port, a node between the second magnetic switch and the second coil on the two-position five-way solenoid valve is connected to a second switching value input port,and a gas outlet of the two-position five-way solenoid valve is connected with the cylinder. The testing stand and test method thereof can be widely applied to the technical field of reliability testof breakers.

The invention discloses a winding method for a frequency vibration-killing lamp high voltage grid, and particularly relates to a winding method for a killing lamp high voltage grid through a particularly designed spiral winding machine. A screw rod (3) is driven by a motor (2) to rotate through a synchronous belt (8); a nut (4) mounted on and matched with the screw rod (3) moves transversally under the combined action of the screw rod (3) and a guide rod (5); the rotation of the screw rod (3) drives a supporting frame (7) placing a grid bracket to rotate synchronously through two synchronous belts (9); the grid bracket comprises four insulation columns and upper and lower plastic fixing plates; a tinning copper wire is fixed on the two insulation columns of the grid bracket through a positioning pulley (10), wire tightening pulleys (11) and a steering pulley (12) of a pulley component (6) mounted on the nut (4) and the guide rod (5). The tinning copper wire is spirally wound and tightened on the grid bracket automatically according to the screw pitch of the screw rod through the transversal motion of the nut and the rotation of the grid bracket, so as to wind a grid; the grid wire is not perpendicular to the insulation columns, but forms a spiral inclined angle with the insulation columns; shadowless glue is brushed on the insulation columns at the positions in contact with the copper wire in a winding process to further fix the grid wire; as the space of the grid is ensured by screw pitch of the screw rod, the space of the grid after winding is uniform; the winding method is convenient to operate, and high in winding efficiency; the wire is wound tightly and not prone to loose to cause short circuit.

The invention discloses a pulse dust removal controller for a bag type dust collector. The device comprises a control module, three precision adjustable encoders, a 10-path pulse switch and two pathsof switching values, the control module comprises a control chip STC15W408AS and a peripheral circuit thereof. The 10-path pulse switch is connected with the control module; the number of paths of pulse switches and the interval time of two adjacent paths of pulse output can be controlled by adjusting the precise adjustable encoder; the control system controls on-off of pulses according to signalsof the control chip STC15W408AS, when the 10-path pulse switch cannot work normally, expansion can be conducted through two paths of switch cascade connection; by means of the invention, pulse ash removal of cloth bags of various types of cloth bag type dust removers is achieved based on a low-cost and high-performance digital controller.

The invention relates to a manual pressure reducing valve service life test system. A driving motor is connected with a tested manual pressure reducing valve through a high-speed ratio reduction gearbox, a coupling, a connecting sleeve, a pressure regulating device and a stroke switch; the inlet cavity of the tested manual pressure reducing valve is connected with the gas source of a gas distribution stage through a pipeline; an electric contact pressure gauge is connected in parallel onto the pipeline; the outlet cavity of the tested manual pressure reducing valve is connected in parallel with three groups of valves through a pipeline; and a PLC is connected with the electrical contact pressure gauge, the driving motor, the stroke switch, a pressure transmitter, a two-position two-way electromagnetic valve A, a two-position two-way electromagnetic valve B and a gas leakage detector through a circuit, so that communication connections can be established between the PLC and each component. According to the manual pressure reducing valve service life test system of the invention, reasonable linkage, remote control, adjustability of interval times, the recordability and settability of the number of times of testing of electromagnetic valves can be realized through PLC and miniature relay integrated control and a PLC control panel; and problems in service life testing of non-ordinary industrial valves can be solved.

The invention relates to the technical field of agricultural machinery and in particular relates to a seed sun-curing turnover device which comprises a telescopic rod, a base platform and connecting plates. The seed sun-curing turnover device provided by the invention is designed in a sliding connection manner, gaps can be adjusted, and the separation effect of the device used as a rake is remarkably improved; the connecting plates are convenient and rapid to assemble and disassemble, and a connecting surface is clamped and fixed in a convex and concave manner, so that gaps are effectively eliminated; the connecting plates can be also used as a shovel, and thus seed leaking can be avoided in use; and the whole device is novel in structure, convenient to adjust and applicable to popularization.

The invention discloses a spindle system of a sliver breaking machine. The spindle system comprises a support with an accommodating space, main cutting assemblies, and transition cutting assemblies, wherein the main cutting assemblies comprise two sets of main cutting assemblies which are accommodated in the accommodating space in parallel at intervals, each main cutting assembly comprises a mainshaft and a plurality of main guide wheels, the plurality of main guide wheels are arranged at intervals, and the spacing between every two adjacent main guide wheels can be adjusted; the transition cutting assemblies comprise two sets of transition cutting assemblies, each transition cutting assembly comprises two fixing seats, sliding rods supported and fixed on the two fixing seats, a pluralityof connecting seats arranged on the sliding rods in a sleeving mode, and a plurality of transition guide wheels supported on the connecting seats and forming a rotating connection; and the connectingseats can adjust positions and angles along the sliding rods so as to adjust the distance and the angle among the transition guide wheels. Compared with the related technology, the operation mode ofthe main shaft system of the sliver breaking machine is large in cutting thickness, and more cutting requirements can be met.

The invention belongs to the technical field of textiles and particularly relates to an energy-saving, environmentally-friendly and convenient-to-set textile setting machine applied to industrial Internet. The energy-saving, environmentally-friendly and convenient-to-set textile setting machine comprises a machine body, wherein a platform is fixedly arranged on the top surface of the machine body, a setting bin is mounted on the platform, a guide component and a receiving component are mounted at the tail of the top surface of the platform, a setting component is further mounted on the top surface of the platform, and two groups of symmetrically distributed arranging assemblies are movably mounted at the position, close to the material guide assembly, of the top surface of the platform. For the energy-saving, environmentally-friendly and convenient-to-set textile setting machine applied to the industrial Internet, the arranging assemblies can be used for arranging the discharging process of products, so that a deviation accident of the products during discharging is avoided, the quality of the products is improved, and convenience is provided for subsequent processing; an interval between the arranging assemblies is adjustable, so that the energy-saving, environmentally-friendly and convenient-to-set textile setting machine is suitable for products with different widths, the application range of the equipment is greatly increased, and the universality of the equipment is greatly improved; and the upper group of setting templates and the lower group of setting templates are convenient to disassemble and assemble, the setting templates are easy to disassemble, overhaul and maintain in pairs when necessary, different types of setting templates are convenient to disassemble and replace at the same time, and the setting processing efficiency is improved.

The invention provides a device for separately installing a dry-quenching hoister frame. The device comprises an adjustable end beam fixing mechanism and a wheel fixing mechanism, wherein the wheel fixing mechanism mainly comprises a cushion block and two cushion block clamp plates, the two cushion block clamp plates are respectively welded at two sides of the cushion block, the lower parts of the two cushion block clamp plates are respectively drilled with a screw thread hole, and the cushion block is fixed on a track of a hoister by a puller bolt through the screw thread hole; and adjustable end beam fixing mechanism mainly comprises a seamless steel tube, a connecting clamp seat, a connecting steel plate and a plugging steel plate, wherein one end of the seamless steel tube is connected with the connecting clamp seat, the plugging steel plate is welded on the other end of the seamless steel tube, the connecting steel plate is movably connected with the connecting clamp seat by adopting a pin shaft bolt, therefore, the integral has two assemblies which are in bolted connection through forward and reverse threads, thus forming the adjustable end beam fixing mechanism. Compared with the traditional construction, the device has the advantages of short construction period, low construction cost, convenience for construction, and the like when used for separately installing the dry-quenching hoister frame.