141results about How to "Small adjustment range" patented technology

The invention discloses an adjustable clamp for a bolt drilling machine, which comprises a base, a leg is arranged at the bottom of the base, an adjustment rod is threadedly connected to the bottom of the leg, a base is installed at the bottom of the adjustment rod, and the base The top is threaded with a connecting rod, the top of the connecting rod is threaded with a first support plate, the top of the first support plate is slidably connected with a guide block, the top of the guide block is provided with a second support plate, and the second support The top of the plate is slidably connected with splints, the top of both sides of the second support plate is provided with fixed blocks, the fixed blocks are penetrated with a screw rod, one end of the screw rod is provided with a rotating handle, and the other end of the screw rod is provided with a pressing plate , the pressing plate is set close to the splint, one side of the guide block is located on the first support plate and a limit block is provided, and an adjusting bolt is penetrated on the limit block. The present invention can be adjusted up and down, front and rear, and left and right to improve It improves the processing efficiency and has high practicability.

The invention provides an energy storage container temperature control system and a temperature control method. The temperature control system comprises an air inlet part, an air outlet part, a control part and an air duct part in a box body, and an external air inlet module and an air outlet of an air conditioner are jointly used as an air inlet part. The external air inlet module is composed ofa first electric shutter installed on the air inlet channel and a plurality of air inlet fans. An external air outlet module and an air inlet of each air conditioner jointly serve as an air outlet part, the external air inlet module is composed of a second electric shutter installed on an air outlet channel and a plurality of air outlet fans, an air outlet of each air conditioner is communicated with an air inlet of an air duct part, and an air inlet of each air conditioner is communicated with an air outlet of the air duct part. The system power consumption is greatly reduced while the battery operation storage temperature is ensured, the working efficiency of the energy storage system is effectively improved, and the product income is improved; and meanwhile, the air-conditioner utilization rate is reduced, and the air-conditioner service life is prolonged.

Provided is a coaxial three-mirror zooming optical system based on photoisomerization materials. The coaxial three-mirror zooming optical system based on the photoisomerization materials comprises a primary mirror, a secondary mirror, a tertiary mirror and a caliber-variable diaphragm, wherein the caliber-variable diaphragm is located at a system exit pupil position in a short focal length mode, a system aperture diaphragm is arranged on the primary mirror, a classic R-C optical system is formed by the primary mirror and the secondary mirror, radiation light beams of a target scenery are converged by the primary mirror and the secondary mirror to form a middle real image, and the middle real image is imaged on the focal plane of the optical system through the tertiary mirror. According to the coaxial three-mirror zooming optical system based on the photoisomerization materials, the primary mirror, the secondary mirror and the tertiary mirror are made of the photoisomerization materials, changes of coefficients of aspheric surfaces of the mirrors are controlled through the material characteristics of the coaxial three-mirror zooming optical system in the zooming process of the coaxial three-mirror zooming optical system, and finally the coaxial three-mirror zooming optical system can have both the advantages of being large in focal length and high in resolution, and the advantages of being short in focal length and wide in field of view only through the changes of the coefficients of the aspheric surfaces of the mirrors and slight adjustment of the mirror spacing under the condition that the radii of curvature of all the mirrors of the optical system are unchanged.

The invention relates to an assembling tool for an assembled wall, in particular to a movable assembling frame for the assembled wall. The movable assembling frame for the assembled wall comprises a tackle, a supporting device, a lifting mechanism, a translation fine adjustment mechanism, a turnover adjusting mechanism and a feeding adjusting mechanism; a rail for the supporting device to slide isarranged on the tackle; the supporting device comprises a sliding base and a support, the support comprises a vertical frame and an adjusting frame connected with the vertical frame in an up-down sliding manner, and a positioning pin is arranged on the adjusting frame; the lifting mechanism is used for driving the adjusting frame to lift up and down; the translation fine adjustment mechanism is used for driving the adjusting frame to horizontally translate; the turnover adjusting mechanism is used for driving the adjusting frame to vertically turn over; and the feeding adjusting mechanism isused for driving the sliding base to feed on the tackle. The movable assembling frame has the beneficial effects of being convenient to transport, capable of effectively conducting assembly fine adjustment according to the situation of an assembled part, convenient to operate and the like.

The invention discloses a direct-current energy storage power-voltage regulation method which comprises the steps of adopting the direct-current energy storage active-voltage control in a direct-current energy storage converter to obtain an output error signal e expression; establishing a direct-current energy storage active-voltage droop control equation according to the condition that an energystorage converter works in an inversion state, the condition that the energy storage converter works in a rectification state and an output active power equation of a direct-current energy storage converter; when a regulating voltage is positive, establishing an adaptive droop coefficient Dm1; when the regulating voltage is negative, establishing an adaptive droop coefficient Dm2; forming an adaptive droop coefficient Dm; and introducing the adaptive droop coefficient Dm into a DC energy storage active-voltage droop control equation to obtain an adaptive droop control mathematical expression.According to the present invention, the self-adaptive active voltage droop control is adopted, so that an energy storage voltage adjusting range can be reduced.

The invention belongs to the technical field of function test, and relates to a test method for verifying the opening and closing functions of a cargo door designed specific to the opening and closing function test of the cargo door. According to the method, the state of the cargo door during opening and closing function test can be accurately simulated; problems can be found and solved in time in a testing process, and smooth proceeding of the test is ensured; the test risk is lowered, and the safety of the test and test articles is ensured. A test method for verifying the opening and closing functions of the cargo door is realized, the accuracy of test verification is improved, the safety of test is ensured, the problem that the test state cannot be accurately simulated and problems cannot be found in the test process existing in the conventional method are solved, and smooth proceeding of the test is ensured by making adjustment in time.

The invention discloses a multi-parallel coexisting-cooperative-cognitive robot large-scale optical mirror surface machining device. The machining device is characterized in that an L-shaped supporting frame is used for fixing and supporting two different parallel machining robots and a to-be-machined mirror surface, a mirror surface inner ring machining unit 4 is a 5 UPS + UPU type parallel machining robot, a mirror surface outer ring machining unit is a 4 UPS + PUU type parallel machining robot, an active partitioning flexible hydraulic supporting system is installed on a mirror surface rotary fixing unit, the supporting system serves as a flexible support of the to-be-machined mirror surface in the machining process, the output force of each supporting point is adjusted, and the opticalmirror surface is balanced in stress in the machining process. The machining device is small in size, high in rigidity, small in accumulative error, high in machining precision and capable of improving the machining efficiency of the optical mirror surface; and meanwhile, the rigid supporting system is improved, the output force of each supporting point can be adjusted, so that the optical mirrorsurface is balanced in stress in the machining process, and is not prone to be deformed or damaged, and the machining device is more suitable for machining complex curved surface optical mirror surfaces.

This invention relates to a method and a circuit for controlling switch devices by dual PWM mixed chopping, which utilizes a chopper control circuit to control on/off of a switch device IGBT, in which, the circuit includes two, and signals output by which control the same IGBT by an NAND gate, and the period of the output signals of the sub-PWM chopper control circuit is integer multiple of that of the master PWM and the least turned-off time of the sub-PWM is equal to a period of the output pulse control signal output by the master one, and pulse signals output by the master and sub-PWM operate on NOT AND logic operation to control on/off of the IGBT.

The inventive radiation-emitting cable comprises a coaxial cable segment (1) and at least two radiation-emitting elements (5). Said radiation-emitting element is embodied in the form of an insert. The external conductor (4), dielectric layer (3) and the internal conductor of the coaxial cable segment (1) are provided with an opening which is embodied therein and used for tapping electromagnetic energy by means of said insert. The insert is made from an insulated wire segment whose one end is placed in the opening and the other end is arranged outside of the external conductor (4) of the coaxial cable segment (1) in such a way the electromagnetic energy is irradiated into environment .The electromagnetic energy tapping and irradiating device is embodied in the form of said radiation-emitting element (5).

An adjusting structure of a refrigerator storage rack comprises a door body and the storage rack. The storage rack is arranged on the door body. Two adjusting mechanisms are symmetrically arranged on the two sides of the inner wall of the door body correspondingly. Each adjusting mechanism is provided with a sawtooth structure with a plurality of tooth parts. An adjusting hook is movably arranged on the storage rack and acts on or is separated from the tooth parts. In the positioned state, the adjusting hook acts on the one or more tooth parts; and in the adjusting process, the adjusting hook is separated from the tooth parts, and the storage rack slides relative to the door body. By arranging the sawtooth structure on the door body and arranging the adjusting hook on the storage rack, the adjusting hook is buckled with the tooth parts on the sawtooth structure, vertical adjusting and positioning of the storage rack are achieved, the adjusting amplitude of the storage rank is small, the number of adjusting levels is large, adjustment can be conducted precisely according to requirements, the adaptability is high, and the space area of the door body is sufficiently and effectively utilized; and in the adjusting process, an operator just needs to operate the adjusting hook, vertical moving and adjustment of the storage rack can be achieved easily and conveniently, and the storage rack does not need to be taken out.

The invention relates to an optical property measurement system and an application method thereof. The system comprises a measurement target, a detector and a controller, wherein the measuring targetand the detector are located in the same horizontal plane; the controller is used for receiving the measuring instruction, determining the target motion gesture of the measurement target and the target position information of the detector according to the target incidence angle and the target detection angle carried in the measurement instruction; controlling the measurement target to adjust the motion posture according to the target motion posture,; according to the target position information, the detector is controlled to move; the measurement target is used for adjusting the motion postureof the controller under the control; the detector is used for moving to a target position corresponding to the target position information under the control of the controller, and measuring the measurement target after the movement posture is adjusted at the target position. According to the scheme, the height adjustment range of the detector can be reduced, the space occupied by the optical property measurement system is reduced, and the construction cost of the optical property measuring system is reduced.

The invention discloses an adjusting method and system for primary side water flow of a heat exchange station, and belongs to the technical field of city and town centralized heating. The adjusting method includes the steps that the outdoor average temperature is obtained, and a secondary side target control temperature corresponding to the outdoor average temperature is searched for in a data comparison table of the outdoor average temperature and the secondary side target control temperature; and the secondary side target control temperature is compared with a secondary side actual supply and return water average temperature, and the primary side water flow is adjusted according to the comparative result. Due to the fact that the corresponding secondary side target control temperature atthe outdoor average temperature is used as a basis for adjusting the primary side water flow, the adjustment amplitude of the opening degree of a primary side electrically operated valve or the adjustment amplitude of the operating frequency of a primary side circulating pump is made small, and the phenomenon of frequent fluctuations of first-level network flow and transmission and distribution heat is avoided.

The invention discloses a spring steel sheet type variable-rigidity gripper assembly and a gripper mechanism of the spring steel sheet type variable-rigidity gripper assembly. The spring steel sheet type variable-rigidity gripper assembly comprises a gripper body, an elastic connecting piece and a connecting frame. The gripper body is provided with grippers. The connecting frame comprises a gripper displacement fine adjusting part, and the gripper displacement fine adjusting part is connected with the gripper body through the elastic connecting piece. The elastic connecting piece is a series-connection elastic connection group and formed by connecting elastic pieces of different rigidities in series, the rigidities of all the elastic pieces in the series-connection elastic connection group change gradually, and the rigidity of the elastic pieces away from the gripper displacement fine adjusting part is larger than that of the elastic pieces adjacent to the gripper displacement fine adjusting part. It can thus be seen that the stability of grabbing of a climb robot can be improved greatly through the variable-rigidity character of the gripper assembly, and the spring steel sheet type variable-rigidity gripper assembly can provide larger grabbing force, be suitable for more complex working environments and have a wider application range.

The invention relates to a solar mobile underwater ozone treatment machine. The solar mobile underwater ozone treatment machine comprises a solar power device, a water walking device, an ozone generation system and a self-rotating spraying device, wherein the ozone generation system is arranged on a floating body and is used for conveying ozone to the self-rotating spraying device at the front end through a gas delivery pipe; the self-rotating spraying device comprises a hollow telescopic pole, the telescopic pole is obliquely downwards hinged and fixed to the floating body through a hinge ring, a disturbance motor is arranged at the head part of the telescopic pole and drives a transmission shaft in the telescopic pole to rotate, the transmission shaft drives a rotary disturbance head at the lower end to rotate, and the rotary disturbance head and a gas channel in the telescopic pole are arranged coaxially; under the combined action of ozone gas and disturbance performed by blades of the rotary disturbance head on water in the underwater area, improvement work for bottom mud and bottom water is completed.

The invention discloses a worktable of a hair planting machine. According to the technical scheme, the worktable of the hair planting machine is characterized in that a first rotary shaft penetrates through a clamp platform, the clamp platform is rotationally connected with a frame body through the first rotary shaft and provided with a first driving device used for driving the clamp platform to rotate around the first rotary shaft, a supporting plate is provided with a second driving device used for driving the frame body to rotate around a fixed shaft, provided with a third driving device used for driving the supporting plate to move axially along the fixed shaft, and provided with a lifting device used for driving the supporting plate to ascend and descend, and omni-directional adjustment of the clamp platform is realized through the first driving device, the second driving device, the third driving device and the lifting device. In this way, even though a brush head is complex in shape, holes in the brush head are located in different positions, the brush head is fixed to the clamp platform, hair planting operation is realized by adjusting the position of the clamp platform, work efficiency is high, a good hair planting effect of the complex brush head is realized, and practicability is high.

The invention discloses a peak regulation energy storage device with carbon dioxide as a working medium and a control method thereof. The peak regulation energy storage device comprises an energy storage system and an energy release system. The energy storage system comprises a carbon dioxide energy storage cycle subsystem, a first energy storage subsystem and a second energy storage subsystem, wherein the carbon dioxide energy storage cycle subsystem is used for achieving the energy storage thermodynamic cycle of the carbon dioxide, the first energy storage subsystem is used for achieving basic energy storage of cold and heat, the second energy storage subsystem is used for achieving multistage storage of energy, and the energy release system comprises a carbon dioxide energy release cycle subsystem, a first energy release subsystem and a second energy release subsystem. The carbon dioxide energy release cycle subsystem is used for achieving the energy release thermodynamic cycle of the carbon dioxide, the first energy release subsystem is used for achieving basic energy release of cold and heat, and the second energy release subsystem is used for achieving multistage release of energy. Through the peak regulation energy storage device with the carbon dioxide as the working medium and the control method thereof, multistage energy storage and release can be achieved, and peak load shifting is conducted flexibly.

The invention discloses a method for detecting the optical performance of a medical endoscope. A medical hard tube endoscope (1) is fixedly clamped on a fixing device (3); a measuring mark plate (9) is fixed on a measuring mark mounting plate (66); and the medical hard tube endoscope (1) is horizontally arranged and the measuring mark mounting plate (66) is vertically arranged. The fixing device (3) is controlled to rotate anticlockwise and the measuring mark mounting plate (66) rotates clockwise simultaneously, wherein the rotation angle of the fixing device (3) is the same as that of the measuring mark mounting plate (66); and when the rotation angles of the fixing device (3) and the measuring mark mounting plate (66) are one half of a nominal visual angle, preliminary angle adjustment is completed. According to the invention, the system for detecting the optical performance of a medical endoscope has a simple structure and the adjustment requirement of the visual angle of 0 to 90 degrees is met by the operation; and the adjustment efficiency is improved.

The invention discloses a gear-type fine tuning mechanism which comprises an azimuth tuning device and an azimuth locking device which are connected through a swing rod; the azimuth tuning device comprises a reduction gearbox, a giggle screw, a giggle hand wheel, a gear shaft, a gear, a first bevel gear and a second bevel gear; the giggle hand wheel is connected with the reduction gearbox throughthe giggle screw; the reduction gearbox is connected with the second bevel gear; the first bevel gear and the second bevel gear are meshed mutually; the gear is connected with the first bevel gear through the gear shaft; the azimuth locking device comprises a locking hand wheel, a locking screw and a giggle switch; the locking hand wheel is connected with the locking screw; the locking screw is connected with the swing rod; the giggle switch is electrically connected with the swing rod. The invention discloses the gear-type fine tuning mechanism which has large regulation range, high regulation accuracy and high flexibility.

The invention belongs to the field of intelligent transportation and particularly relates to a weekend train running scheme modeling method considering passenger flow fluctuation and scheme coherence.According to the method, a weekend train running scheme model for the weekend passenger flow peak period is established, an objective function is that the total train running cost is minimum, and thetotal cost is composed of running cost of a weekend scheme line and running cost of a normal-day scheme line, the train cost is composed of fixed cost, stop cost and motor train unit application cost, in order to control the sequence of train scheme adjustment means, corresponding penalty values are given to train on-station reconnection decompilation adjustment to be flexibly grouped train scheme lines) and scheme lines of alternative train sets at the weekend, and the adjustment means sequence of the train scheme lines is restrained through an objective function. The method is advantaged inthat transportation resource supply is recombined, so the quality of transportation products is efficiently improved, the diversity of passenger flow requirements is met, transportation resources arefully utilized, and quality improvement and efficiency improvement of transportation organizations are achieved.

The invention aims at the shortcomings that the current culture stones are heavy in weight, high in cost or poor in thermal insulation properties and have poor bondability with the building blocks, masonries and the like, are easily spalled, have short service lives and the like, and provides a rigid polyurethane foam (RPUF) culture stone and a production method thereof. The RPUF product with goodbondability, good thermal insulation property, light materials and long service life is obtained by improving the culture stone raw materials, production steps and technological conditions, which issuitable for the indoor and outdoor decoration in various environments.