111results about How to "Realize adjustable" patented technology

The invention belongs to the technical field of virtual power plant resource scheduling, and discloses a virtual power plant flexible resource calling method and device based on a power grid visual angle and a medium, so as to solve the problems that the contribution of flexible resources to the state change of a power distribution network is ignored, the performance evaluation is inaccurate, the response result is not in place, and the response intention is not clear. The method comprises the following steps: acquiring real-time measurement data of each flexible resource of each virtual power plant and grid-connected point topological structure data, and establishing a power grid view angle; obtaining the response capability and historical response data of each flexible resource of each virtual power plant to calculate the contribution degree to a power grid node, the excitation response intention, the response qualification rate, the response rate, the response preparation time and the response duration to construct a user portrait; and obtaining a response demand or an auxiliary service interaction adjustment demand generated by the power grid, and calling flexible resources to execute an interaction response in combination with the constructed power grid view angle and the user portrait so as to meet whole-network and local real-time demands of the power grid, thereby completing flexible resource calling.

The present invention discloses an impact pendulum device, comprising a mounting frame, a swing arm and a hammer head, wherein the swing arm is a telescopic rod structure, the upper end of the swing arm is hinged with the mounting frame through a hinge assembly extending forward and backward through a hinge axis, the lower end of the swing arm is coaxially connected with an adjusting basket bolt, the hammer head comprises a base plate block, a plurality of counterweight plates, a striker, a plurality of first connecting bolts, and a spring, the top of the base plate block is fixedly connected with the lower end of the adjusting basket bolt, the hammer head is formed by fixing a certain number of counterweight plates on the base plate block through the first connecting bolt and the connecting nut, and the mass of the hammer head is flexibly adjusted by installing different numbers of counterweight plates, thereby realizing free adjustment of the impact momentum; the striker is abutted with the counterweight plate on the far right through the spring, realizing elastic buffer design, and the impact stiffness of the hammer head can be adjusted by replacing springs with different stiffnesses. The present invention can be applied to reinforced concrete structure tests.

The invention belongs to the field of printed optoelectronic device preparation, and particularly relates to a method for improving field effect performance of a printed metal oxide thin film transistor through atmosphere annealing. The invention provides a method for improving the field effect performance of a printed thin film transistor. The method comprises the following steps: cutting a Si / SiO2 substrate and carrying out ultrasonic cleaning for 10 minutes; placing the substrate in a gas plasma generating device to remove impurities adsorbed on the surface of the substrate; dissolving zinc acetate dihydrate, stannous chloride dihydrate and indium nitrate hydrate in ethylene glycol monomethyl ether; printing an active layer of the thin film transistor device and carrying out 550 DEG C air atmosphere annealing treatment; in order to improve the field effect performance of the thin film transistor, annealing treatment is carried out on the metal oxide active layer material in a vacuum atmosphere at the temperature of 550 DEG C; and printing a source electrode and a drain electrode of the thin film transistor by using high-precision ink-jet printing equipment. According to the method provided by the invention, the field effect performance of the printed metal oxide thin film transistor can be improved, and the requirement of a current optoelectronic device on high electrical performance of a printed driving device is met.

The invention discloses a crude oil storage tank construction hanging basket and a construction method. The crude oil storage tank construction hanging basket comprises a hanging basket support, a clamping device, a support stabilizing device, a hanging basket body, a hanging basket lifting mechanism and a hanging basket moving mechanism. The hanging basket support is arranged on the hanging basket moving mechanism, the hanging basket moving mechanism is arranged on the upper edge of the crude oil storage tank, and a clamping device is arranged on the hanging basket support and can be clamped on the upper edge of the crude oil storage tank; a support stabilizing device is further arranged at the end of the hanging basket support and used for fixing the hanging basket support. One end of the hanging basket lifting mechanism is arranged in the crude oil storage tank, and the other end is connected with the hanging basket through the hanging basket support. According to the crude oil storage tank construction hanging basket and the construction method, the hanging basket support is arranged on the hanging basket moving mechanism, the hanging basket moving mechanism is arranged on the upper edge of a crude oil storage tank, and the position of the hanging basket can be adjusted at will; a clamping device is arranged on the hanging basket support and can be clamped on the upper edge of the crude oil storage tank, and the position of the hanging basket can be fixed in all directions.

The invention discloses a preparation device, a beverage preparation machine and a preparation operation method thereof, the preparation device comprises a base and a steam module, the steam module comprises a steam rod, the steam rod is provided with a first end and a second end, and the first end is rotatably installed on the base so as to drive the second end to form an included angle relative to the base in the process of external force driving rotation; one of the steam rod and the base is provided with an interference protrusion, the other one of the steam rod and the base is correspondingly provided with an interference face, in the rotating process of the steam rod, the interference protrusion is driven to move on the interference face, interference force used for preventing the steam rod from rotating is generated between the interference protrusion and the interference face, and the interference force is variably arranged. When the steam rod rotates, variable interference force is generated between the interference bulge and the interference surface, so that the interference bulge currently moves to a certain area of the interference surface can be determined by sensing the interference force in an associated manner, the rotation process of the steam rod relative to the machine body is controllable and can be stopped at any time, and the steam rod is more flexible.

The invention relates to a tunnel outer shield machine pipeline extension construction method and a tunnel excavation construction method. The tunnel excavation construction method comprises a tunnel outer shield machine pipeline extension construction method, and the tunnel outer shield machine pipeline extension construction method comprises arranging a long hose-type pipeline extension device at a tunnel entrance, so that a slurry inlet pipe and a slurry discharge pipe are arranged in parallel in the vertical direction; an in-tunnel pipeline transmission device is arranged in the tunnel, the in-tunnel pipeline transmission device comprises a sliding track and a suspension trolley movably installed on the sliding track, the suspension trolley clamps the slurry inlet and discharge pipes on the in-tunnel pipeline transmission device through a pipe clamp and the slurry inlet and discharge pipes are arranged in parallel in the vertical direction; during the tunnel excavation construction, the shield machine drives the slurry inlet and discharge pipes to extend into the tunnel, and performs pipeline connection operation after extending a distance of a pipe replacement stroke; the pipeline adopts an upper and lower double-layer arrangement, the long inlet and discharge hoses move independently without interfering with each other, and the inlet and discharge pipes can be flexibly arranged.

The utility model discloses a spraying device for inner and outer walls of a plastic-coated steel pipe, and particularly relates to the field of steel pipe machining. The spraying device for the inner wall and the outer wall of the plastic-coated steel pipe comprises a spraying workbench, a two-way linear driving unit is arranged on the spraying workbench, a pair of spraying transverse adjusting structures is arranged on the two-way linear driving unit, and spraying distance adjusting structures are arranged on the spraying transverse adjusting structures. A pair of spraying pipes used for being correspondingly arranged on the inner wall and the outer wall of the plastic-coated steel pipe are arranged on the spraying distance adjusting structure, a bracket is fixedly connected to the spraying workbench, a pair of pipe carrier rollers used for supporting the plastic-coated steel pipe are rotationally connected to the bracket, and limiting rollers used for limiting rolling of the plastic-coated steel pipe are arranged above the pipe carrier rollers. And rotary transmission assemblies are arranged on the bidirectional linear driving unit and the pair of brackets. The technical problems that the spraying path is long and the spraying of the inner wall and the outer wall is not synchronous during the spraying operation of the plastic-coated steel pipe at present are solved.

The utility model discloses a lighting electric appliance convenient to use, and relates to the technical field of lighting electric appliances, the lighting electric appliance comprises a lighting lamp, the lower end of the lighting lamp is provided with an adjusting mechanism, the adjusting mechanism comprises two connecting rings, and the connecting rings are connected to the lower end of the lighting lamp; a pipe head is connected between the two fixing rings; the connecting tightening latch is in threaded connection with the interior of the fixing ring, and the connecting tightening latch is rotationally connected with the interior of the connecting ring; and the transverse extrusion plate is connected to the outer end of the connecting tightening latch. The angle-adjustable illuminating lamp is reasonable in design structure, the angle of the illuminating lamp can be adjusted at will, the angle position of the illuminating lamp can be fixed by further rotating the connecting tightening latch and the rotating ring, it is ensured that the angle of the illuminating lamp is fixed in the using process, and compared with a traditional illuminating electric appliance, part of illuminating lamps can be adjusted at will, and the using cost is reduced. However, in the use process, angle deviation is easily generated due to external force, so that the use experience of a user is reduced.

The utility model discloses a control console with an adjustable screen angle, which relates to the technical field of control consoles and comprises a control console shell, and a touch screen is movably connected above the control console shell. The lower part of the touch screen is subjected to angle adjustment through a lifting assembly; the lifting assembly comprises a C-shaped sliding frame, and a hinge mechanism is installed on the C-shaped sliding frame in a matched mode. The upper end of the hinge mechanism is movably connected with the touch screen; the hinge mechanism is controlled to ascend and descend through an electric push rod. When the touch screen needs to be jacked up, the electric push rod retracts, the lower end of the hinge piece a slides along the strip-shaped groove, the upper end of the hinge piece a jacks the hinge piece d upwards, the hinge piece d is deflected under the cooperation of the hinge piece b and the hinge piece c, and therefore the touch screen is jacked up, the electric push rod is controlled in an inching mode, and the action of the electric push rod can be stopped at will. Therefore, the angle of the touch screen can be adjusted at will, and the adjustment requirement of a user is met.

The utility model discloses a lifting device which comprises a lifting assembly and a supporting assembly. The lifting assembly comprises an electric push rod; the supporting assembly comprises a supporting piece and a supporting disc. The supporting piece is arranged at the bottom of the electric automobile. The supporting disc is arranged at the bottom end of the supporting piece. A battery bin is further arranged at the bottom of the electric vehicle, a battery bearing frame is arranged in the battery bin, and a notch for the battery bearing frame to enter and exit is formed in the bottom end of the battery bin. The supporting piece and the supporting disc are arranged at the top of the battery compartment; the fixed end of the electric push rod is arranged in the supporting piece, and the movable end of the electric push rod sequentially penetrates through the supporting piece, the supporting disc and the top of the battery bin in the vertical direction to be connected with a battery bearing frame in the battery bin. The battery in the battery bin can be lifted in the vertical direction, so that the battery can be replaced by descending the bottom end and replacing the battery at the front end, the battery does not need to extend out of a front overhang part at the front end of a vehicle and is replaced, and the front overhang part of the electric vehicle is prevented from being cut and modified.

The application discloses a driving mechanism, a stand column, a transmission device and a flexible tracking support, and belongs to the technical field of photovoltaic power generation. The driving mechanism is used for driving a photovoltaic module installed above a cross beam to track the rotation of the sun, and comprises: a fixed end of a telescopic rod is fixed with the cross beam, and the other telescopic end is connected with a sliding pin; a rotation point of a slide rail relative to the cross beam is fixed; the sliding pin is slidably installed on the slide rail; a rotating shaft of a rotating disc is fixed relative to the rotation point of the cross beam; a far end of a first connecting rod is hinged with the sliding pin, and a near end of the first connecting rod is hinged on an eccentric position of the rotating disc; and a driving piece is used for driving the rotating disc to rotate. The application realizes the cooperative locking of the flexible tracking support with multiple structures, cooperates with three self-locking points, forms multiple protections, greatly improves the anti-deformation capability of the support under extreme wind load, and reduces the safety hidden danger.

The utility model relates to the technical field of wasp breeding equipment, concretely relates to three -dimensional wasp breeding frame of adjustable interval, including left and right two groups of mutually symmetrical vertical beams, mutually symmetrical between two vertical beams in each group, the inside surface of two vertical beams in each group is fixedly installed with a plurality of slide rails, and the top and bottom of four vertical beams are fixedly installed with reinforcing beams, and the detachable installation of support plate is arranged between the two slide rails that left and right face each other, and the end plate body of support plate is located in the slide rail and is connected with the slide rail between sliding, a plurality of nest frames are fixedly installed on the upper surface of support plate, the nest frame part is provided with a protective screen cover, the end part rod body of slide rail is provided with a clamping hole, the outer sleeve pipe is fixedly installed on the front side plate body of support plate, the plug -in limiting rod is slidably connected in the outer sleeve pipe, and the plug -in limiting rod and the clamping hole are inserted and matched. The utility model can adjust interval, has the function of limiting, and is convenient to use.

A piezoelectric superstructure capable of regulating and controlling axial bending wave transmission of a shell structure comprises a cylindrical thin-wall shell substrate, piezoelectric fiber composite material patches which serve as piezoelectric transducers and are arranged on the inner side and the outer side of the substrate respectively, a shunt circuit connected with the two piezoelectric fiber composite material patches and a one-way coupling element. The bending wave passband is opened by changing the parameters of the external circuit network, the bending wave is allowed to be axially transmitted along the shell structure when the frequency is lower than the loop frequency, and the transmission amplitude can be regulated and controlled. And when the frequency is lower than the loop frequency, a local resonance passband is opened, and meanwhile, the transmission amplitude can be flexibly regulated and controlled, so that a new way is provided for structural health monitoring in the shell structure.

The utility model discloses a large-load sucker hook, which relates to the technical field of sucker hooks and comprises a bottom plate, a sucker component is arranged on one side of the bottom plate and consists of a main sucker body and a plurality of small sucker cavities, and the small sucker cavities are arranged inside the main sucker body. A negative pressure component is arranged on one side of the sucker component on the bottom plate; a sliding rail is arranged on the side, away from the suction cup assembly, of the bottom plate, a supporting plate is slidably arranged on the sliding rail of the bottom plate, a hook body is arranged on the supporting plate, and a sliding assembly is arranged between the supporting plate and the bottom plate. The device is compact in structure, high in adsorption capacity, high in adaptability, adjustable in hook, capable of automatically returning, stable in load bearing and suitable for various scenes.

The utility model discloses a full-automatic electrolyte filling machine which comprises a controller, a weighing and conveying part and a machine frame fixedly installed on the side edge of the weighing and conveying part, a pipe clamping part and a three-dimensional camera part are installed on the top of the machine frame, a special clamping pipe communicated with a filling pump is clamped on the pipe clamping part, and the three-dimensional camera part is installed on the three-dimensional camera part. A robot clamping part fixedly installed on the rack is arranged below the weighing conveying part, the robot clamping part, the weighing conveying part and the three-dimensional camera part are all electrically connected with the controller, and the robot clamping part is suitable for moving a special clamping pipe on the pipe clamping part under the guidance of the three-dimensional camera part and communicating the special clamping pipe with a filling opening of the ton barrel. The semi-automatic filling machine is applied to ton barrel filling and the like in the electrolyte industry, compared with traditional semi-automatic equipment, the functions of various semi-automatic equipment can be integrated, the filling yield and safety can be improved, the overall dimension of the whole machine is compact and small, and the occupied space is saved.

The present invention discloses a method for visualizing the topological structure of high-dimensional data based on manifold approximation and graph simplification. The method performs manifold approximation on high-dimensional data to generate a weighted undirected graph, and then simplifies the graph to obtain a thumbnail of the weighted graph. The process can keep the high-dimensional data, the weighted graph and the thumbnail having the same topological structure, and the interpretability is strong. The grid where the image space is located is meshed based on the resolution parameter. Since the intersection between the grid elements is empty, multiple mapping features located in the grid elements do not intersect, so that the topological structure of the thumbnail obtained by aggregating the mapping feature subsets is the same as the topological structure of the high-dimensional data, and thumbnails of different resolutions can be obtained by adjusting the resolution parameter, so that any resolution parameter can be adjusted.

The utility model discloses a uniform material's flotation machine feed ear box, including ore pulp delivery pipe, mixed buffer tank, mixed discharge pipe and feed ear box, a plurality of ore pulp delivery pipes are connected with the top of mixed buffer tank, and the front end center position is connected with mixed discharge pipe, and the export of mixed discharge pipe is connected feed ear box, the both sides of feed ear box bottom are installed with flotation machine feed pipe, and the inboard of feed ear box bottom feed pipe is installed with two distribution baffle and distribution gate, and the height of different distribution gate is adjusted, and the ore pulp quantity of different feed pipe of feed ear box bottom is controlled. Solve the double row flotation machine ore pulp feeding of prior art and cannot evenly distribute, cause the problem of low running efficiency of flotation machine, and the fluctuation of flotation froth layer thickness is big.

The application relates to the technical field of new materials, and discloses a quasi-zero stiffness unit suitable for different tensile loads, a metamaterial vibration isolation structure and a design method, which comprise a first rigid side wall and a second rigid side wall, a positive stiffness unit is arranged in the center of the first rigid side wall, a negative stiffness unit is arranged at the opening of the top of the first rigid side wall, and one end of the second rigid side wall is connected with the vertex of the positive stiffness unit and extends upwards through the negative stiffness unit. The application realizes the regulation and control of the stiffness response of the structure under the action of different loads by parameterizing the design and multi-level combination of the tensile unit configuration and combining the interaction of the positive stiffness and the negative stiffness, the quasi-zero stiffness platform of the structure can be adjusted with the change of the tensile load, so that the stable low dynamic stiffness characteristics of the structure can be maintained within a wide load range, and then the adaptive regulation and control and flexible control of the low-frequency vibration isolation performance are realized.

This application provides an optical system and a laser cutting device. The system includes a first focusing lens, a concave lens, and a focusing lens group arranged coaxially along a first direction. The first direction is the initial transmission direction of the light emitted by the target light source. The optical axis of the first focusing lens passes through the virtual focal point of the target light source. The virtual focal point is the point where the reverse rays of the light emitted by the target light source converge. The distance between the first focusing lens and the virtual focal point of the target light source is greater than the focal length of the first focusing lens. The concave lens is configured to change the distance between itself and the first focusing lens to adjust the aberration of the light emitted by the target light source. As the distance between the first focusing lens and the concave lens in the collimating lens group changes from far to near, the optical system exhibits the following trends: negative defocus beam convergence and tending towards a flat top, positive defocus dispersion and tending towards Gaussianization, then the distribution of positive and negative defocus beams becomes equal, and finally, negative defocus dispersion and tending towards Gaussianization, and positive defocus beam convergence and tending towards a flat top.

The utility model discloses a wiredrawing heat preservation device for chemical fiber rope net production, which comprises a water tank and inlet and outlet notches, the inlet and outlet notches are respectively arranged above the left side and the right side of the water tank, three groups of upper gears are movably connected above the front end of the inner side of the water tank, and three groups of lower gears are movably connected below the front end of the inner side of the water tank. Guide rollers are transversely welded to the rear portions of the upper gear and the lower gear respectively. According to the wiredrawing heat preservation device for chemical fiber rope net production, guide rollers are transversely welded to the rear portions of an upper gear and a lower gear correspondingly, silk threads can be pressed by a positioning plate controlled by an air cylinder, movement of the silk threads can be stopped, every two vertically-adjacent guide rollers in a water tank form a group, and a main guide gear is rotated after a motor is started; the upper gear opposite to the main guide gear is directly pushed to operate, the lower gear opposite to the main guide gear is pushed to rotate reversely under the limitation of the transmission gear, then the silk threads are transmitted, and the problem that the heat preservation path is short is solved.

This utility model discloses a flotation cell, belonging to the field of flotation cell technology. It includes a cell body and an aeration structure. The cell body has through-slots and locking slots on its left and right sides, respectively. Bottom baffles and top baffles are respectively provided at the bottom and top of the through-slots. The aeration structure includes a connecting pipe, a movable cover, an aeration pipe, and an aeration pump. The connecting pipe is located at the bottom of the cell body, the movable cover is located at the bottom of the outer surface of the connecting pipe, the aeration pipe is located at the bottom of the movable cover, and the aeration pump is located at the end of the aeration pipe furthest from the movable cover. This flotation cell changes the size of the bubbles by altering the length of the aeration pipe extending into the movable cover, thus changing the airflow at the bottom. The combination of porous media, the aeration pipe, the movable cover, and the aeration pump simulates the effect of a flotation column foamer, achieving micro-bubbles during bottom aeration, optimizing the flotation effect, and improving the flotation recovery rate of both oxide and sulfide ores. Bottom aeration allows large mineral particles to contact the bubbles, improving their floatability.

The utility model provides a silicon-iron alloy bar horizontal continuous casting material cutting device, and belongs to the field of silicon-iron alloy production equipment. The device comprises a machine frame, a guiding mechanism, a guiding mechanism, a material cutting mechanism and a traction mechanism, the guiding mechanism, the guiding mechanism and the traction mechanism are sequentially installed on the machine frame, and the material cutting mechanism is installed on the guiding mechanism in a sliding mode. The silicon-iron alloy bar horizontal continuous casting material cutting device solves the problems that an existing material cutting machine is single in cutting length and inconvenient to adjust, and when conveying and cutting are conducted in the conveying direction, errors exist due to cutting position deviation caused by unstable pressing, and therefore the cutting effect is affected. The cutting length can be adjusted through the cooperation of the guide mechanism and the cutting mechanism, the flexibility of equipment is improved, a ferrosilicon alloy bar needing to be cut is effectively locked through the cooperation of the auxiliary pressing mechanism and the cutting mechanism, and the stability and reliability during cutting work are improved.

The utility model discloses a hydraulic oil cylinder convenient to assemble, particularly relates to the technical field of engineering machinery, and comprises an oil cylinder body, a rodless cavity and a rod cavity are arranged in the oil cylinder body, a balance valve body connected with the rodless cavity and the rod cavity is arranged on the outer side of the oil cylinder body, and a pair of exhaust pipes is fixedly connected to the outer surface of the oil cylinder body. The pair of exhaust pipes are communicated with the rodless cavity and the rod cavity respectively, each exhaust pipe is provided with an installation assembly, each installation assembly is provided with a pressure measuring connector, the outer side of each pressure measuring connector is provided with an exhaust assembly, and the exhaust assemblies are connected with the pressure measuring connectors; the outer surface of the oil cylinder body is fixedly connected with a pair of oil pipes, the pair of oil pipes are respectively communicated with the rodless cavity and the rod cavity, and the pair of oil pipes are respectively connected with an oil inlet and an oil outlet of the balance valve body; the technical problems that when the telescopic length of the piston rod is adjusted due to assembly of the hydraulic oil cylinder, the assembly workload is large, and the control precision of the balance valve is affected are solved.

The invention relates to the technical field of ecological restoration, in particular to an ecological restoration monitoring method and system for a coal mining subsidence area. Obtaining soil recovery state time sequence information; when the soil recovery state at the end point moment of the time sequence information of the soil recovery state meets a soil target state, the time sequence information of the soil recovery state and vegetation planting parameters are input into a vegetation recovery state prediction network, and the time sequence information of the vegetation recovery state is obtained, the vegetation recovery state prediction network is a black box model constructed based on a long-short term memory neural network; and when the vegetation recovery state at the end point moment of the vegetation recovery state time sequence information meets a vegetation target state, performing ecological recovery monitoring on the soil modification coal mining subsidence area executing the soil modification control parameters by taking the soil recovery state time sequence information and the vegetation recovery state time sequence information as monitoring baselines. According to the method, scientificity and effectiveness of cultivated land protection and ecological restoration of the coal mining subsidence area can be improved.

The invention provides a curtain wall decoration strip system, and relates to the field of curtain walls. The problem that the angle of a decoration strip in an existing curtain wall decoration strip system cannot be adjusted at will according to requirements is solved. The curtain wall decoration strip system comprises a first stand column and a second stand column, wherein the first stand column is connected with a curtain wall body through a first connecting assembly; the first decoration strip assemblies are arranged on one side of the first stand column, and the first decoration strip assemblies are rotationally connected with the first stand column through rotating assemblies; the rotating assembly comprises a first steel plate fixedly connected with one side of the first stand column, and a second steel plate fixedly connected with the other side of the first stand column. The aluminum alloy sleeve core is arranged on the end face of the first steel plate, and the first decoration strip assembly is rotationally connected with the first stand column through the aluminum alloy sleeve core. According to the scheme, the angle of the decoration strip in the curtain wall decoration strip system can be adjusted at will, meanwhile, the curtain wall decoration strip system has the advantages of being simple in construction process, convenient to construct, attractive in structure and the like, construction efficiency is improved, production cost is reduced, and meanwhile installation precision is guaranteed.

The utility model discloses diffusion dialysis complete equipment which comprises a frame and a diffusion dialysis device, the diffusion dialysis device is installed on the frame, and a pure water tank, a constant-temperature circulating water tank and a waste acid water tank are further arranged on the frame. The pure water tank, the constant-temperature circulating water tank and the waste acid water tank are all connected with the diffusion dialysis device through pipelines, the diffusion dialysis device comprises a first clamping plate, a second clamping plate, two constant-temperature circulating water compartments and a diffusion dialysis main body which are connected through pipelines, and the two constant-temperature circulating water compartments are located on the two sides of the diffusion dialysis main body; the first clamping plate and the second clamping plate are located on the two sides of the two constant-temperature circulating water compartments respectively, all dispersing components of a diffusion dialysis experiment are integrated on the frame, experiment operation is facilitated, occupied space is reduced, and the temperature of the diffusion dialysis experiment can be adjusted.

The invention discloses a large-inertia and large-load vehicle-mounted rotating shaft stability control method, which relates to the technical field of servo turntables, and comprises the following steps: mounting rotating permanent magnets capable of synchronously rotating in a rotating shaft, and controlling the viscous force of the rotating permanent magnets by using a magnetic field to realize adjustable damping characteristics; the magnetic field of the rotary permanent magnet penetrates through the enameled coil, and induced current is generated on the coil to provide viscous force for the rotary permanent magnet; the viscous force of the rotating permanent magnet is controlled by regulating and controlling the magnitude of the current in the coil; limiting permanent magnets are arranged on the two sides of the rotating permanent magnet and can restrain rotation of the rotating permanent magnet, the distance between the limiting permanent magnets and the rotating permanent magnet is changed, and the viscous force is adjusted; an accelerometer and a gyroscope are arranged on the rotating shaft, the rotating state of the rotating shaft is monitored in real time, and data support is provided for adjusting coil current and limiting the distance of the permanent magnet.

The invention discloses a negative pressure adsorption type short-distance carrying mechanism for color steel plates, which is applied to the technical field of short-distance carrying mechanisms for color steel plates. The conveying base is fixedly provided with a sliding assembly used for driving the conveying base to slide, the conveying base is movably connected with an adjusting base based on a universal adjusting assembly, and the adjusting base is slidably connected with a mounting base in the vertical direction based on a telescopic sliding assembly. A rotating seat is rotationally connected to the mounting seat based on the rotating adjusting assembly, and a folding carrying seat used for mounting the negative pressure adsorption assembly is rotationally connected to the rotating seat based on the rotating folding assembly; the invention has the technical effects of simple structure, small occupied space and convenience in adjustment.

The utility model relates to the technical field of plant detection, in particular to a device for collecting leaf surface temperature through infrared radiation, which comprises a plurality of supporting columns which are arranged at the top end of a base at equal intervals and play roles in connection and fixation, the top ends of the plurality of supporting columns are connected with annular supports, and annular racks are arranged on the outer side walls of the annular supports. A rotating assembly capable of sliding along the outer surface of the annular support is arranged at the top end of the annular support, and a rotatable first gear meshed with the annular rack is arranged in the rotating assembly. Through the arrangement of the lifting support at the top end of the rotating assembly and the lifting assembly, the infrared camera shooting assembly can be adjusted in the height direction, the temperature of plant leaves at different heights can be detected, and shooting data of the infrared camera shooting assembly are uploaded to the central control assembly through the data transmission interface to be processed; data analysis can be carried out more comprehensively and accurately, and a better plant maintenance method can be found conveniently.

The application provides a kind of lighting device, belongs to lighting and smart home technical field.It includes: outer pole, cavity is formed in outer pole inside and the first opening is formed in outer pole one end and is communicated with cavity;Inner pole, inner pole is at least partially through the first opening and is set in the cavity of outer pole and inner pole can be driven relative to outer pole sliding;Light source, light source is arranged at the end of inner pole and the position of light source can be changed when inner pole is driven relative to outer pole sliding;Cable, one end is connected on power output part, the other end is arranged in outer pole and inner pole and is connected with light source for power supply to light source;Tensioning assembly, it is used to pull cable to make cable in outer pole and inner pole always in tension state, wherein the tension of tensioning assembly acting on cable is less than the maximum static friction force between outer pole and inner pole.In the application, inner pole can slide in outer pole, which can realize the adjustment of light source illumination area, and wire can be hidden in the pole, wire is not exposed, and the appearance effect is better.