30results about How to "Troubleshoot adjustment difficulties" patented technology

The invention provides a femtosecond laser scanning power regulation device and method and a femtosecond laser processing system. The device comprises a laser modulator which is used to modulate laser from a laser source, a pulse width modulation signal generator which is used to provide a pulse width modulation signal with duty cycle for the laser modulator, and a controller which is used to communicate with the pulse width modulation signal generator to provide the duty cycle for the pulse width modulation signal generator. The duty cycle is the ratio of the current laser scanning linear velocity to the maximum laser scanning linear velocity. The femtosecond laser scanning power regulation method comprises the steps that the laser modulator is provided; the laser modulator modulates the laser from the laser source; and the pulse width modulation signal with the duty cycle is provided for the laser modulator, wherein the duty cycle is the ratio of the current laser scanning linear velocity to the maximum laser scanning linear velocity.

The invention discloses a device of a four-quadrant detecting photoelectric system, and a technical method for the online adjusting and instant vision filed measurement of the four-quadrant detecting photoelectric system by means of the device of the four-quadrant detecting photoelectric system. The invention further provides a method for the performance testing of the four-quadrant detecting photoelectric system after the online adjusting based on the four-quadrant detecting photoelectric system. The integrated test evaluation of the photoelectric system is realized, the test result and the test curves are displayed simultaneously on the test interface, and the test recording table is automatically output, so that the test accuracy and test efficiency are improved, and the difficulties of optical axis adjustment are solved.

The invention discloses a preheat steam multi-pipe bypass temperature regulating system for a small-capacity boiler. The preheat steam multi-pipe bypass temperature regulating system comprises a low-temperature reheater, a high-temperature reheater, a spray desuperheater, a low-temperature reheater steam bypass pipe, an electric gate valve, a mixed collecting box, a desuperheating water regulating valve, an accident spray desuperheater, a lower-temperature reheater inlet collecting box, a low-temperature reheater outlet collecting box, a high-temperature reheater inlet collecting box and a high-temperature reheater outlet collecting box. By using the preheat steam multi-pipe bypass temperature regulating system for the small-capacity boiler, the problem that it is difficult to regulate the reheat steam of the small-capacity boiler is effectively solved; and the preheat steam multi-pipe bypass temperature regulating system has the advantages of simple system, small bypass pipe resistance, operation simplicity, reliable temperature regulating property and the like.

The invention discloses a manufacturing and firing method of jun porcelain ancient egg-shaped and holed wind instrument. The method comprises the following steps: preparing clay, preparing a blank, biscuit firing, glazing, sintering, and detecting sound. Raw materials for preparing the clay consist of the following components in parts by weight: 40 to 50 parts of kaolin, 5 to 10 parts of alkaline stone, 10 to 15 parts of knot clay, 5 to 10 parts of quartz sand, 0.5 to 1 part of vermiculite, 1 to 2 parts of plant ash, 1 to 2 parts of sodium alginate, and 0.5 to 1 part of phenolic resin powder. A gradually heating multi-sectional heating way is adopted both in the biscuit firing process and the sintering process, so that the blank is slowly heated, the heating non-uniformity and stress change caused by the sudden change of the temperature can be avoided, so that cracks and crease on the surface of the jun porcelain ancient egg-shaped and holed wind instrument can be avoided, and the artistic ornamental value of the jun porcelain ancient egg-shaped and holed wind instrument can be improved; and moreover, the jun porcelain ancient egg-shaped and holed wind instrument fired by the invention is rigid in structure and unlikely to crack, the sound produced by the instrument is strong and ebb and flow, steady and dense and has penetration powder, and the playing requirement of the porcelain jun ancient egg-shaped and holed wind instrument can be met.

To solve the defect of the conventional sensor working area test, the invention provides a sensor working area automatic test system. The system comprises a test body movement device, a sensor movement device and a control device. The test body movement device is used for installing and controlling a test body, and the device controls the test body to move in a region to be tested in a given moving posture under a command of the control device; the sensor movement device is used for installing and controlling a sensor to be tested, and the device controls the sensor to be tested to detect the test body in the region to be tested in given detection conditions under a command of the control device, and sends the feedback data to the control device; and the control device controls the moving posture of the test body and the detection conditions of the sensor to be tested according to the commands sent by a user, and processes the received feedback data sent by the sensor to be tested into data in a user-predefined expression form.

The invention provides an annular space type centrifugal extractor. The problem that adjustment is difficult on the condition that an annular space type centrifugal extraction interface radius is not adjusted by adopting air weir pressure is solved. The annular space type centrifugal extractor comprises a rotating shaft, a rotating drum and a cylinder type shell. The rotating drum is sleeved with the shell, and an annular space is formed between the rotating drum and the shell. The shell is provided with heavy and light phase inlets. The bottom of the shell is closed, and a cover plate is arranged at the upper end of the shell. The rotating drum and the rotating shaft are in check fit. A motor is connected to the upper end of the rotating shaft in a transmission mode. The motor is fixedly connected with the cover plate. The bottom of the rotating drum is provided with a base plate. The base plate is provided with an inlet communicated with the interior of the rotating drum. A split weir body is arranged at the upper end of the rotating drum. A discharging outlet is formed in the position, corresponding to the split weir body, of the rotating shaft. An annular heavy phase weir plate is detachably fixed and connected to the upper end face of the discharging outlet in a sealed mode. The heavy phase weir plate is formed by splicing a plurality of arc sections. All components of the heavy phase weir plate are allowed to be taken out from an adjusting opening, the adjusting opening is covered with a sealing cover in a sealed mode, and the interface radius can be adjusted on the condition that adjustment is performed by adopting no air weir pressure.

A femtosecond laser scanning power control device and method, and a femtosecond laser processing system, comprising: a laser modulator configured to modulate laser light from a laser source; a pulse width modulation signal generator configured to provide the laser modulator with a pulse width modulated signal of a duty cycle; and a controller configured to communicate with a pulse width modulated signal generator to provide the duty cycle to the pulse width modulated signal generator, wherein the duty cycle is a current laser The ratio of the scanning line speed to the maximum laser scanning line speed. A femtosecond laser scanning power control method, comprising the following steps: providing a laser modulator, the laser modulator is configured to modulate laser light from a laser source; and providing a pulse width modulation signal with a duty cycle to the laser modulator, so The above duty ratio is the ratio of the current laser scanning linear velocity to the maximum laser scanning linear velocity.

The invention discloses a Michelson interferometer convenient to adjust. The Michelson interferometer comprises a beam splitting plate, a compensating plate, a first plane reflector, a second plane reflector and an observing screen, and further comprises an inversed-L-shaped support and a support base. The inversed-L-shaped support comprises a first support wall and a second support wall which are perpendicular to each other. The first plane reflector and the second plane reflector are attached to the surface of the first support wall and the surface of the second support wall respectively. The Michelson interferometer can replace a traditional Michelson interferometer to be used for observing and measuring the interference phenomenon, great convenience is brought to adjustment on the Michelson interferometer, and the experiment efficiency is effectively improved.

The invention discloses a remote-control hanging type and ground type dual-purpose household fan which comprises a first rotary rod and an outer protective rod. The outer wall of the first rotary rod is sleeved with the outer protective rod, and the bottom end of the first rotary rod is connected with an electric telescopic rod. The outer protective rod is internally provided with an oil cavity. The bottom end of the oil cavity is connected with an oil discharge pipe which communicates with an oil groove. A protective cover is mounted at the top end of the outer protective rod. A motor is mounted in the protective cover. One end of the motor is connected with a second rotary rod. One end of the second rotary rod is connected with three blades, and a circular protective frame is mounted on one side of the other end of the second rotary rod. The lower portion of the electric telescopic rod is provided with a hanging box, and the bottom end of the electric telescopic rod is provided with a fastener. The outer wall of the hanging box is provided with a control panel, and the inner wall of the hanging box is provided with resistance wires. By arranging the hanging box and a hanging ring, the fan can be hung on a wall step by step; and through the bending design of the upper end of the hanging box, the circular protective frame cannot make contact with the wall during rotating, accordingly safe hanging of the fan is achieved, and rapid switch between the ground type and the hanging type is achieved.

The invention relates to a test tool support, and belongs to the field of test tool manufacture. The test tool support comprises a wear-preventive spacing groove, a test tool support body, a sliding groove, a zigzag slideway, a limiting plate A, fixing shafts A to G, a limiting plate B, a sliding shaft, a tensile rule slideway, a tensile rule, a lock, a lockhole, a fixing underframe, a tensile rule positioning bolt, connecting racks A to H, a tensile rack A, a fixing handle A, a tensile rack B, a fixing handle B, limiting grooves A to F, and a sliding shaft positioning bolt; and the sliding groove is arranged in the test tool support body, the zigzag slideway is in the sliding groove, the sliding shaft is arranged on the sliding groove, and the sliding shaft positioning bolt penetrates the sliding shaft.

A device for quickly and stably adjusting the position of a drawer comprises a side plate, a bottom plate and a slide rail assembly. A rear connecting device connected with a rear back plate is arranged on the side plate. The rear connecting device comprises a fixing piece. A vertical adjusting device for adjusting the vertical position of the drawer is arranged on the fixing piece. The vertical adjusting device comprises a stabilizing piece and an adjusting screw rod. The stabilizing piece is provided with an extending portion supported by a moving slide rail of the slide rail assembly. The rear end of the moving slide rail is provided with a hook connected with the extending portion in a matched mode. A stabilizing cover plate is arranged on the outer side of the fixing piece. The stabilizing cover plate is connected with the stabilizing piece in a pressing mode and fixed to the fixing piece. The stabilizing piece is arranged on the fixing piece and / or the stabilizing cover plate in a sliding mode. The stabilizing piece is provided with a bent portion. The bent portion is provided with a screw hole. The adjusting screw rod acts on the screw hole of the bent portion. A limiting piece is arranged on the inner side of the fixing piece. The limiting piece is provided with a limiting portion corresponding to a toothed acting portion of the adjusting screw rod. A tool acts on the toothed acting portion through the limiting portion, so that adjustment of the position of the drawer is achieved. The device is high in practicability.

The invention discloses a manufacturing method of a perovskite thin film, a solar cell and a laminated cell, relates to the technical field of photovoltaics, and aims to solve the problem that in the prior art, when a perovskite layer is prepared by a solution method, a perovskite solution is deposited at the valley bottom of a suede structure, so that the cell is short-circuited. And organic components are difficult to react with compact inorganic components in a vacuum evaporation method. The manufacturing method of the perovskite thin film comprises the following steps: providing a substrate, wherein the surface of the substrate is provided with a suede structure; forming a metal halide skeleton layer on the substrate with the suede structure, wherein the metal halide skeleton layer conformally covers the suede structure; and forming a perovskite light absorption layer on the metal halide skeleton layer with the suede structure in a shape following manner. The manufacturing method of the perovskite thin film provided by the invention is used for manufacturing the solar cell.

The invention discloses a belt wheel tensioning device for crushing and screening equipment. The belt wheel tensioning device is characterized in that a tensioning wheel assembly is arranged on an installing base through a connecting rod assembly, a wheel train axial long round hole and an adjusting jackscrew are arranged at the joint position of the installing base and the connecting rod assembly, an arc-shaped long round hole, the adjusting jackscrew and a positioning plate are arranged at the joint position of the connecting rod assembly and the tensioning wheel assembly, one end of the tensioning wheel is arranged to a tensioning wheel installation base in a hinged mode, a tensioning wheel adjusting jackscrew is arranged at the joint position of the other end of the tensioning wheel and the tensioning wheel installation base, and a buffering assembly is further arranged between the tensioning wheel assembly and the installing base. According to the belt wheel tensioning device for the crushing and screening equipment, the axial position of the belt wheel and the axis angle of the belt wheel of the tensioning device can be adjusted through the adjusting jackscrew, the position of the tensioning wheel assembly can be adjusted in multiple directions, stepless adjustment is achieved, the adjusting process is simple, flexible and efficient, meanwhile, the tensioning wheel installation base can be clamped through the arranged positioning plate, the adjusting precision is guaranteed, adjustment difficulty is avoided, and adjustment efficiency is improved.

The invention discloses a fixed operating device and an operating method for a display and control terminal in a mobile environment. The device includes two vertically arranged slide rails with positioning holes, and a movable The lifting fixing plate slides up and down along the slide rail, and the left and right ends of the lifting fixing plate are respectively provided with an elastic handle; the left and right ends of the lifting fixing plate are respectively provided with a side swivel seat, and an elastic handle is set on one of the side swivel seats. The handle is hinged between the two side swivel seats with a terminal support that can swing around the side swivel seats. The fixed operating device of the display and control terminal disclosed in the present invention occupies a small space, is light in weight, and can be installed at positions such as the back of the front seat back to meet the different needs of different operators.

The invention relates to a pipe person protection adjusting type supporting and fixing device which comprises a bandage surrounding the periphery of a pipe and two wrapping type steel belts symmetrically arranged on the inner wall of the bandage. The two wrapping type steel belts are in shapes of omega, straight edges of the omega-shaped wrapping type steel belts are in butt joint; the interior ofthe bandage is wrapped with a steel wire net; and supporting steel sheets are symmetrically arranged between the wrapping type steel belts and the pipe. The pipe person protection adjusting type supporting and fixing device is simple in structure and convenient to operate, adjustment can be carried out according to different pipe diameters, and the problem that adjustment is difficult is solved;and in addition, pipe person protection supporting fixing can be achieved, the problem that stability is insufficient is solved, and the installing convenience is greatly improved.

The invention relates to a device for layered exploitation of an oil well, in particular to an electro-hydraulic integrated switch and application thereof. The electro-hydraulic integrated switch comprises a lower connector, a spring seat, a lower spring, a bearing, a track fixing sleeve, a track pin, a track sleeve, a lower connecting sleeve, a rubber ring 1, a copper ring, polytetrafluoroethylene, a rubber ring 2, a middle connecting sleeve, an oil extraction outer hole, a sliding sleeve, an upper connecting sleeve, an inner connecting rod, a gasket, an upper spring, an outer sleeve, a piston, an upper connector, a baffle ring, a hydraulic control connector, a variable center sleeve 1, a quick connector 1 and a connecting short section 1. The device comprises a large screwed plug, a supporting sleeve, a small screwed plug, a sealing system, a mandrel, a body, a pin, a motor, a control circuit board, a cable connector, a connecting short section 2, a quick connector 2 and a variable center sleeve 2. According to the electro-hydraulic integrated switch, the control motor is adopted to adjust the liquid path direction, the sliding sleeve switch is driven in a hydraulic mode, power is large, and the problem that the switch is difficult to adjust can be solved.

The invention discloses a fixed operation device of a display control terminal under a mobile environment and an operation method of the fixed operation device. The device includes two sliding rails which are arranged vertically and provided with locating holes, a lifting fixation plate capable of sliding up and down along the sliding rails is installed between the two sliding rails, and elastic handles are arranged at the left and right ends of the lifting fixation plate respectively; lateral rotating bases are arranged at the left and right ends of the lifting fixation plate respectively, anelastic handle is arranged on one lateral rotating base, and a terminal support capable of swinging around the lateral rotating bases is hinged between the two lateral rotating bases. The fixed operation device of the display control terminal under the mobile environment is small in occupied space, light in weight and capable of being installed on the rear portion of a backrest of a front seat orother positions to meet different use demands of different operators.

The invention discloses a sports comfortable functional bra and a personalized manufacturing method thereof. A bra cup is connected with a telescopic belt, the bra cup is endowed with certain tightness by an elastic band, the bra cup can generate a certain tightness change along with a sports state during sports, and the change relieves and alleviates a force applied to nipples so that the comfort of the breasts during exercise is improved. In addition, the telescopic belt is arranged at intervals and provided with the ventilation and heat dissipation openings, the purposes of ventilation and heat dissipation can be achieved through the ventilation and heat dissipation openings, and the problem of accumulation of sweat in the chest is avoided. The method further comprises the following manufacturing steps: (1) carrying out three-dimensional measurement; (2) determining a paper pattern; (3) cutting the fabric; (4) sewing the cup; (5) stitching the cup; (6) sewing the straps; and (7) sewing the parts.

The invention discloses a gypsum board diagonal deviation correction device which comprises a rack; the bottom of the rack is provided with a motor and a differential mechanism, and the differential mechanism is provided with an adjustment wheel; and the left side and the right side of the differential mechanism are each provided with a speed reducer, the two sides of the rack are each provided with a drive chain, the speed reducers drive the drive chains correspondingly, and the drive chains are provided with a plurality of push plate small claws. The two sides of the rack are each provided with a position sensor, and the position sensors monitor the positions of the push plate small claws; and the adjustment wheel is provided with a stepping motor, and a controller controls the stepping motor through signals of the position sensor. By means of the gypsum board diagonal deviation correction device, the problem that it is difficult to adjust the deviation when the deviation of the gypsum board diagonal occurs is solved, the diagonal deviation can be adjusted by adjusting the adjustment wheel on the differential mechanism in the production process, and production continuity influenced by machine halt is avoided.

The invention relates to a method for adjusting an off-axis parabolic mirror system by using lens confocal points, including the following process: S1, using two parallel laser beams with equal heights to adjust the pitch angle of the off-axis parabolic mirror, so that the height of the outgoing light of the off-axis parabolic mirror equal; S2, use a plane mirror instead of an off-axis parabolic mirror, let two parallel laser beams with equal heights pass through the plane mirror, simulate the beam propagation route of the off-axis parabolic mirror system that needs to be adjusted, and form an optical circuit; S3, add The lens, using the lens confocal alignment method, moves the off-axis parabolic mirror, and replaces the flat mirror with an off-axis parabolic mirror. Compared with the prior art, the present invention solves the problem of difficult adjustment of the off-axis parabolic mirror in the actual optical path adjustment process, effectively replaces the common off-axis parabolic mirror adjustment method, has high accuracy and feasibility, and can greatly reduce Adjustment time and difficulty.

The invention discloses a flexible binding tool with adjustable pressure. The flexible binding tool comprises a circular sleeve, a main shaft and a pressing wheel assembly, wherein the upper end of the main shaft is inserted into the lower end of the circular sleeve, and the pressing wheel assembly is connected with the lower end of the main shaft. The flexible binding tool is characterized by further comprising an elastic supporting assembly, wherein the elastic supporting assembly comprises a connecting flange, a driving rod, a driven rod and an adjusting screw; the connecting flange is fixedly connected with the upper end of the circular sleeve, the upper end of the driving rod is rotatably connected with the lower surface of the connecting flange, a spring pressing head is arranged below the driven rod, and the lower end of the driven rod is rotatably connected with the top of the spring pressing head; the lower end of the driving rod is rotatably connected with the upper end of the driven rod, the adjusting screw transversely penetrates through the side wall of the circular sleeve, and the end of the adjusting screw abuts against a connecting point of the lower end of the driving rod and the upper end of the driven rod; and a variable spring is arranged between the spring pressing head and the upper end of the main shaft, and two ends of the variable spring abut against the upper end of the main shaft and the lower end of the spring pressing head respectively.

The invention provides a motor control system control parameter self-tuning device and a tuning method thereof, and belongs to the technical field of motor control. The motor control system control parameter self-tuning device comprises a main control chip TMS570LS1227, an RS232 serial port communication module, a CAN communication module, an Ethernet communication module and a touch display screen, the RS232 serial port communication module, the CAN communication module and the Ethernet communication module are integrated inside the setting device, and the touch display screen is integrated outside the setting device; and the three communication modules are mutually independent, and the CAN bus and the Ethernet module have multi-node communication capability. The setting method of the control parameter self-setting device of the motor control system comprises the following steps: setting overshoot and adjustment time indexes; zeroing a position sensor; setting d-axis current loop parameters; setting q-axis current loop parameters; self-and setting speed loop parameter until finishing control parameter self-setting of the permanent magnet synchronous motor. The problem that the parameter self-setting of a plurality of permanent magnet synchronous motor control systems cannot be realized at the same time in the prior art is solved.

The invention discloses an external-temperature-based intelligent electric fan. The external-temperature-based intelligent electric fan comprises a temperature sensing module for detecting the external temperature. The temperature sensing module is connected with an A / D conversion module. The A / D conversion module is connected with a central control module. The central control module is connectedwith an adjusting module used for adjusting the rotational speed of a motor. The adjusting module is connected with a driving module used for driving the motor. The temperature sensing module transmits external temperature data into the central control module. The central control module conducts processing on the external temperature data and then controls the adjusting module to control the rotational speed of the motor of the electric fan. Accordingly, the rotational speed of the electric fan is adjusted according to the external temperature, and intellectualization is achieved.

The invention relates to a method for adjusting off-axis parabolic mirror system by common focus of a lens. The method comprises the following steps of S1, adjusting a pitching angle of an off-axis parabolic mirror by two beams of parallel laser with equal height so that emergent light of the off-axis parabolic mirror is equal in height; S2, employing a plane mirror to substitute the off-axis parabolic mirror, allowing the two beams of parallel laser with equal height to pass through the plane mirror, simulating an optical beam propagation line of the off-axis parabolic mirror needed to be adjusted, and forming an optical loop; and S3, adding the lens into the optical loop, moving the off-axis parabolic mirror by a lens common-focus alignment method, and replacing the plane mirror with theoff-axis parabolic mirror. Compared with the prior art, the method has the advantages that the problem that the off-axis parabolic mirror is difficult to adjust during the actual light path adjustment is solved, a conventional off-axis parabolic mirror adjustment method is effectively substituted, the method has relatively high accuracy and practicability, and the adjustment time and the adjustment difficulty can be greatly reduced.

The invention provides a plasticizing device and an injection molding machine. The plasticizing device is used for melting a plastic material and comprises a charging barrel with an inner cavity extending in a preset direction; a screw which is mounted in the charging barrel and extends in the preset direction; a rotating shaft which is arranged at one end of the screw and is in transmission connection with the screw so as to drive the screw to rotate through the rotating shaft; an adjusting seat mounted on the rotating shaft, wherein a through hole is formed in the adjusting seat, the screw is arranged in the through hole in a penetrating manner and is in clearance fit with the inner wall of the through hole, a plurality of first threaded holes are formed in the adjusting seat, the multiple first threaded holes are formed in the circumferential direction of the through hole at intervals, and all the first threaded holes extend to the inner wall of the through hole; and a plurality of adjusting pieces provided with external threads, wherein the multiple adjusting pieces are matched with the multiple first threaded holes in a one-to-one correspondence mode through the threads, and the end portions, located in the through hole, of the multiple adjusting pieces abut against the screw. The plasticizing device solves the problem that a screw of a plasticizing device in the prior art is not convenient to adjust.

The invention discloses a manufacturing and firing method of jun porcelain ancient egg-shaped and holed wind instrument. The method comprises the following steps: preparing clay, preparing a blank, biscuit firing, glazing, sintering, and detecting sound. Raw materials for preparing the clay consist of the following components in parts by weight: 40 to 50 parts of kaolin, 5 to 10 parts of alkaline stone, 10 to 15 parts of knot clay, 5 to 10 parts of quartz sand, 0.5 to 1 part of vermiculite, 1 to 2 parts of plant ash, 1 to 2 parts of sodium alginate, and 0.5 to 1 part of phenolic resin powder. A gradually heating multi-sectional heating way is adopted both in the biscuit firing process and the sintering process, so that the blank is slowly heated, the heating non-uniformity and stress change caused by the sudden change of the temperature can be avoided, so that cracks and crease on the surface of the jun porcelain ancient egg-shaped and holed wind instrument can be avoided, and the artistic ornamental value of the jun porcelain ancient egg-shaped and holed wind instrument can be improved; and moreover, the jun porcelain ancient egg-shaped and holed wind instrument fired by the invention is rigid in structure and unlikely to crack, the sound produced by the instrument is strong and ebb and flow, steady and dense and has penetration powder, and the playing requirement of the porcelain jun ancient egg-shaped and holed wind instrument can be met.