30results about How to "Eliminate angle" patented technology

The invention provides a rebound apparatus calibrating device. The rebound apparatus calibrating device eliminates an included angle formed by a plane where a flange guide rail (8) and a horizontal plane, simultaneously enlarges strokes of the flange guide rail, a moving frame guide rail (5) and a pointer guide rail (11) and a relative position variation range, and correspondingly enlarges measuring ranges of a force sensor (13) and a displacement sensor to meet calibrating requirements of multiple models of rebound apparatuses. For covering the shortage that the included angle formed by the flange guide rail and the horizontal plane enables a pointer to be driven by a pointer step of a rebounding hammer in the spring pulling and rebounding process, the invention provides a using method that a pointer cover plate is first upturned and then is turned downward when the rebounding hammer moves to an appropriate position in the spring pulling and rebounding process. Compared with the prior art, the rebound apparatus calibrating device is suitable for detection of the multiple models of rebound apparatuses, accordingly saves the cost of users purchasing devices, further eliminates tension spring tension-measuring errors caused by non-horizontal flange guide rail plane and improves measuring accuracy degree of relevant projects of the rebound apparatuses.

The invention relates to an intelligent super-long stroke pumping unit which comprises an electric control cabinet, a driving system, a flexible polish rod winding the driving system and a counterweight system connected to the driving system. The output end of the flexible polish rod winds a supporting wheel and is successively connected to a rotary pup joint, a sucker rod, a weighted lever and asuper-long stroke pump. A regional central control room is connected to the electric control cabinet through a remote data wireless bridge, and the electric control cabinet is connected to the drivingsystem through a cable. The intelligent super-long stroke pumping unit is used for improving the stroke of the pumping unit, eliminating the included angle between the flexible polish rod and a hoisting sheave and prolongs the service life of the polish rod, so that a balance weight of the super-long stroke pumping unit is realized. The super-long stroke pumping unit is further energy-saving. Thepump efficiency, yield, annular liquid level position of an oil jacket can be reflected instantaneously by the electric control cabinet. The oil sucking speed or intermittent oil pumping is adjustedautomatically according to liquid supply data to achieve efficient operation, so that purposes of long stroke, low time of strokes, large displacement, intelligent control, optimized oil extraction, extension of periods of replacing a tube rod and examining the pump and remote digitalized control management are achieved.

The invention provides a branching ring type oxidation ditch with adjustable gravity flow. The interior of the invention is an O type anaerobic zone, the exterior is an O type aerobic zone and the middle part is a C type anoxic zone. The intersection zone of a C type nick and the O type aerobic zone is a mixing zone, wherein, the radian of a C type circular arc separating wall that forms the anaerobic zone is 246 degrees, the length of the C type circular arc separating wall that stretches into the mixing zone is 0.41R and the R is the radius of a concentric circle separating wall of the aerobic zone, the angle Alpha at a starting end point of the C type circular arc separating wall that can be adjusted is equal to 10 degrees- 107 degrees and the alpha is an included angle formed by a line connecting the starting end point and the center of the C type circular arc separating wall and an adjustable branching wall. The structure can weaken the turbulence in the ditch, increase the volume occupancy of the plug-flow fluid in the ditch, promote the efficiency of a reactor, prolong the stopping time at the aerobic zone and the anoxic zone, decrease the stopping time at the mixing zone and the occupancy of a dead zone and leave out the energy consumption caused by a mechanical stirrer. Besides, the returning flow that enters into the aerobic zone and the anoxic zone can be flexibly adjusted and controlled based on different water quality, so as to gain stable nitrogen and phosphors removal effect that fully meets the discharge standards of the state.

The invention relates to a helical spring with an arc center line and an independent suspension structure. The helical spring comprises a helical spring body, the center line of the helical spring body is a straight line, a bending section helical spring is arranged at the lower end of the helical spring body, and the center line of the bending section helical spring is a circular arc curve; the independent suspension structure comprises the helical spring, an auxiliary frame, a lower swing arm bush, a lower swing arm steering joint, a shock absorber and a rubber cushion. The radius R of the circular arc curve is equal to the distance from the intersection point of the center line of the helical spring and the swing arm mounting surface to the swing arm rotation center, and the center of an arc is on the center line of the lower swing arm bush; in this way, a tangent line of the circular arc curve at the intersection point is perpendicular to the helical spring mounting surface of the lower swing arm all the time, when a swing arm moves up and down and the helical spring stretches or is compressed, no included angle is formed between the tangent line of the contact point of the circular arc curve and the helical spring mounting surface and a normal line of the mounting surface, and the problems of abrasion, abnormal sounds and the like in the moving process are eliminated.

The invention provides a faraday rotating lens capable of eliminating relevance between a rotating angle of the faraday rotating lens and the wavelength and temperature. The faraday rotating lens is characterized in that a polarized light component, in the rotating angle dispersion direction, with the 90-degree deviated rotating angle after the action of the faraday rotating device is eliminated, so the rest light in each wavelength can be positioned in the identical single-direction line polarization state, so the light rotating angle change of the faraday rotating lens caused by wavelength and temperature relevance of the faraday rotating device can be eliminated, and the polarization state of the output light of the faraday rotating lens is irrelevant to the wavelength and the temperature. The faraday rotating lens has the advantages that the influence on the rotating angle dispersion and the temperature of the faraday rotating lens caused by any kinds of optically active crystals can be eliminated, and the faraday rotating lens is applicable to any occasions using faraday optically active crystals.

The invention relates to an intelligent photovoltaic communication base station for a blockchain system. The intelligent photovoltaic communication base station comprises a substrate, a fixing device,a protection device and an adjustment device. The substrate is a circular structure. The fixing device is installed on the lower end of the substrate. The protection device is installed on the upperend of the substrate. The adjustment device is arranged in the protection device and is mounted on the substrate. The adjustment device comprises a fixing cylinder, an angle adjusting mechanism and ahorizontal position adjusting mechanism. The intelligent photovoltaic communication base station can solve the long time, the low work efficiency and the poor precision of the photovoltaic module adjustment in the working process of the existing photovoltaic communication base station, can reduce the installation difficulty of the photovoltaic communication base station, can realize a function ofautomatically adjusting the position of the photovoltaic module, and has low installation difficulty, good convenience in photovoltaic module adjustment, high adjustment efficiency and good adjustmentprecision.

The invention discloses a magnetic levitation auxiliary supporting plunger pump for a sliding track structure. The plunger pump mainly comprises a plunger, a sliding track and a swash plate; the plunger is connected to the sliding track through a spherical hinge; and one end, backing onto the spherical hinge, of the sliding track translates in a sliding way of the sliding track of the swash plate in the circumferential direction. The plunger pump is characterized in that two magnetic fields with opposite polarities are arranged on the sliding track and the swash plate respectively; an included angle is formed between the direction of the magnetic field on the swash plate and the normal line of the working surface of the sliding track; and the applied moment of the magnetic field force on the sliding track is used for balancing the inclining moment applied to the sliding track so as to decrease or eliminate a wedge-shaped angle of an oil film between a kinematic pair of the swash plate and the sliding track. According to the plunger pump, the maximum contact stress of the kinematic pair of the swash plate and the sliding track can be reduced, and the abrasion of the sliding track can be reduced; the leakage of media between the kinematic pair of the swash plate and the sliding track can be reduced; and the ratio of the theoretical displacement to the power density of plunger pumps with same-specification plungers can be increased.

The invention discloses a production method for an L-shaped unequal-wall-thickness profile, and belongs to the technical field of metal machining. The production method mainly includes the steps of firstly, using a cast ingot as an original blank; secondly, sending the cast ingot into the extrusion forming procedure to be extruded into the L-shaped unequal-wall-thickness profile, and conducting shearing to obtain a finished L-shaped extrusion part; thirdly, sending the finished L-shaped extrusion part into a cooling device to be cooled; fourthly, sending the cooled finished L-shaped extrusion part into the roll-in shape correcting procedure, and obtaining a final product through shape correction and conducting the postprocessing procedure. By means of the method, wavy, bent and twisted deformation and other defects of the L-shaped unequal-wall-thickness profile can be eliminated, the size accuracy and the use performance of the profile are improved, the production efficiency of extrusion is improved, the mold service life is prolonged, the production period is shortened, the long ruler production process, including long ruler extruding, long ruler cooling and long ruler shape correcting, of the L-shaped unequal-wall-thickness profile is achieved, and remarkable economic benefits are achieved.

Provided is a swing arm device. The device comprises a frame mechanism, a swing arm disposed on the frame mechanism, a ground flat board movably connected to the swing arm and a swing arm tilting oilcylinder used for pushing the swing arm to rotate in order to drive the ground flat board to move. A rotary fulcrum of the swing arm is connected with the frame mechanism. With the swing arm device, insufficient obstacle removal is avoided by preventing the failure of an existing flat board to completely touch the ground. The swing arm device is safe and convenient to operate. The flat board can be controlled to wholly place on the ground. The included angle between the flat board and the ground is basically eliminated. Therefore, all kinds of vehicles can be moved to the flat board very conveniently. The swing arm device is reasonable and ingenious in design, convenient in obstacle removal, broad in application scope and high in practicality and is safe and reliable.

The invention relates to an intelligent ultra-long stroke winch oil pumping unit which is composed of an electric control cabinet, a balance weight system, a base, a winch system and a pumping system.The electric control cabinet is connected with the balance weight system, the winch system and the pumping system through cables, the balance weight system is connected with the winch system througha steel wire rope, and the winch system is connected with the pumping system through a flexible polish rod. The winch system comprises a displacement sensor, a motor, an electromagnetic brake, a winchsupport, a speed reducer, an outer-square cylinder and a roller. Steel wire rope tension of the balance weight system and flexible polish rod tension of the pumping system are located at the two endsof the axis of the roller and are opposite in direction. The intelligent ultra-long stroke winch oil pumping unit is used for improving the stroke of the oil pumping unit, eliminating an included angle generated between the flexible polish rod and a head sheave, prolonging the service life of the flexible polish rod, realizing the balance weight of the ultra-long stroke oil pumping unit, and further saving energy, by adding an intelligent chip, the pump efficiency, the yield and the annulus liquid level position of an oil jacket can be instantly reflected, and the oil pumping speed is automatically adjusted or oil is intermittently pumped according to liquid supply data. Efficient operation is achieved.

The invention relates to the field of windproof equipment, and particularly relates to a universal joint nut and a windproof supporting device for preventing clamping stagnation. A sliding base and abottom plate are connected with an output shaft of a gear motor and a gear pair, wherein the gear pair is connected with a transmission shaft through a bearing in a supported mode; the transmission shaft is connected with a lead screw through a plug pin; the lead screw is connected with a sliding column on the universal joint nut; the sliding base is fixed to the bottom plate; the sliding column is mounted in the sliding base; and the lead screw pushes the universal joint nut to slide in the sliding base. The lead screw and the sliding column are connected through the universal joint nut, thelead screw and the sliding column can relatively rotate by a certain angle, and therefore the clamping stagnation phenomenon is eliminated.

The invention discloses a flatbed road wrecker with a small dip angle. The flatbed road wrecker comprises a chassis and a carriage mounted on the chassis; a gantry is connected to one end, near the head of the wrecker, of the carriage; a flat frame is hinged to one side, near the head of the wrecker, of the gantry; the other end of the flat frame is fixedly connected with a first lifting frame located under the carriage; one end of the first lifting frame is embedded in a second lifting frame; a first hydraulic rod is mounted outside the first lifting frame and the second lifting frame; the second lifting frame is hinged to the chassis through a second hydraulic rod; and a hoist is mounted on the gantry. The flatbed road wrecker disclosed by the invention can meet the requirement of safe loading and unloading of an automobile of which the chassis is only 30cm above the ground, and solves the problems a hauled automobile is damaged during loading and unloading or cannot be loaded or unloaded due to too low chassis existing in a conventional wrecker.

The invention provides a method for increasing breakdown voltage of a power MOS field effect transistor, comprising the following steps: etching out a first shallow groove in the substrate of the power MOS field effect transistor; depositing a first oxide layer in the first shallow groove; etching out a plurality of second shallow grooves in the first oxide layer; forming two polysilicon gates on the substrate and the first oxide layer; carrying out ion implantation on the surface of the substrate on the outer sides of the two polysilicon gates, thereby forming a first active region and a second active region; depositing a second oxide layer on the polysilicon gate; and fabricating a field plate on the second oxide layer. The method not only eliminates the included angle formed during the growth process of the polysilicon in the power MOS field effect transistor, but also disperses the electric field strength on the surface of the power MOS field effect transistor, thereby reducing the electric field strength on the surface of the power MOS field effect transistor to the utmost extent and increasing the breakdown voltage of power MOS field effect transistor.

The invention discloses a blank positioning device and a positioning method for a large die forging. The blank positioning device for the large die forging comprises a base, a supporting table, a telescopic device and a positioning tong head; the supporting table is arranged on the base; the telescopic device is located on the supporting table and comprises an air cylinder and a sliding rod, the air cylinder is provided with a piston rod, the piston rod is fixedly connected with one end of a sliding rod through a connecting plate, and the other end of the sliding rod is fixedly connected with a positioning tong head; the positioning tong head is provided with two tong arms, the adjacent sides of the two tong arms are inclined faces, and the distance between the ends, close to the sliding rod, of the two tong arms is smaller than the distance between the other ends of the two tong arms. According to the blank positioning device, the large die forging can be accurately positioned, the working efficiency is improved, die forging materials are saved, and the manufacturing cost is reduced.

The invention discloses a photovoltaic rolled glass sheet unloading method. A glass frame stack position calculation method is utilized. When glass sheets are placed on a suction cup frame, the distance between the horizontal position and the stack position is accurate and fixed, meanwhile, the height of the placed glass sheets and the height of a glass stack bottom support are controlled, the lower portions of the stacked glass sheets can be tightly attached to the glass stack, no gap exists between the glass sheets, and the problem that the thickness difference of the upper portion and the lower portion of the glass stack is too large is solved. After a certain number of pieces of glass are stacked, the deviation is controlled within a reasonable range by tracking and calculating the automatic retreating accumulated distance and performing turnover angle supplement on the parallel difference between the outer edge surface of the stack position and the plane of the glass sheets to be stacked after turnover, so that parallel attachment is ensured, the phenomenon of scratching among the glass sheets is avoided, and the quality of the glass stack is greatly improved. No extra time is added in the whole batch-off period. Position pairing of a glass frame and a suction cup frame is not needed during first sheet stacking, the first sheet stacking time is not increased, operation is completely automatic, and the high-speed sheet unloading requirement of a production line is better met.

The invention relates to a negative pressure adsorption type wall-climbing robot mechanism in a complex curved surface environment, in particular to a multi-stage compliant type wall-climbing robot mechanism with curvature self-adaptability, an adsorption cavity is divided into an adsorption cavity lower half cavity and an adsorption cavity upper half cavity, and the adsorption cavity upper half cavity is connected with the adsorption cavity lower half cavity through a second-stage compliant mechanism; the upper half cavity of the adsorption cavity communicates with an adsorption motor support, an adsorption motor is installed on the adsorption motor support, and a first-stage flexible sealing mechanism is installed on the bottom face, making contact with the curved face, of the lower half cavity of the adsorption cavity. The flexible moving mechanism is located in the adsorption cavity and comprises a crawler belt mechanism support, a motor transmission device, a crawler belt and a three-stage flexible mechanism, the crawler belt mechanism support is elastically connected with the upper half cavity of the adsorption cavity through the three-stage flexible mechanism, and the motor transmission device is installed on the crawler belt mechanism support; the crawler belt is driven by the motor transmission device to move on the curved surface. The device is simple and compact in structure, high in interchangeability, high in curved surface self-adaptive capacity, large in self-weight ratio and stable in performance.

The invention discloses an auxiliary device of a cable marker and relates to the field of cable markers. The auxiliary device of the cable marker comprises a bottom plate, the cable marker, moving blocks, driving parts, fixing plates, main shafts, wheel discs and first motors, wherein matching holes are formed in the positions, at one side of an inlet and one side of an outlet of the cable marker,of the bottom plate; the moving blocks are positioned in the matching holes, and the driving parts are in power connection with the moving blocks; the fixing plates are symmetrically arranged at theupper end faces of the moving blocks, and the upper end faces of the fixing plates are provided with shaft grooves; the wheel discs are detachably connected with the main shafts, the two ends of eachmain shaft are placed in the corresponding shaft grooves, and the wheel discs are used for winding a pipeline; and the first motors correspond to the moving blocks one by one, and the first motors arefixed on one of the fixing plates and used for driving the corresponding main shaft to rotate. When the cable marker starts to work, the driving parts enable a cable pipe to always coincide with thecentral axis where the inlet and the outlet of the cable marker are located, so that the included angle between the cable pipe and the central axis where the inlet and the outlet of the cable marker are located is eliminated, the friction force between the cable marker and the cable pipe is effectively reduced, and the cable pipe is prevented from being damaged due to the friction force.

The invention provides improved power transmission line manual patrol handheld acquisition equipment compatible with a cooperative unmanned aerial vehicle, and aims to solve the technical problems of many human factors, high management cost and incapability of supervising the working state of patrol personnel in the existing power transmission line patrol mode. The equipment comprises handheld equipment and a control terminal, wherein the handheld equipment is connected with the control terminal, and the control terminal is connected with an unmanned aerial vehicle device. According to the improved power transmission line manual patrol handheld acquisition equipment, the handheld equipment and the unmanned aerial vehicle device are combined to acquire manual inspection images and unmanned aerial vehicle inspection images respectively, and the two images are analyzed through using an intelligent analysis system, thus the problems of backlight difference, image definition difference, photographing angle difference and image background difference existing in manual inspection and unmanned aerial vehicle inspection are eliminated, the intelligent level and inspection efficiency of the inspection process are remarkably improved, and safe and stable operation of a power transmission line is ensured.

The invention relates to a sample fixing holder. The sample fixing holder comprises a receiving part, a supporting plate, a limiting plate and a clamping plate which are orderly arranged. The supporting plate comprises a plurality of pressing holes arranged at intervals. The limiting plate corresponding to the pressing holes is provided with a plurality of limiting holes. One side of the clamping plate facing to the limiting plate is provided with a plurality of pressing pieces. The positions and number of the pressing pieces are corresponding to the limiting holes and the pressing holes. The invention relates to a shock-absorbing emulsion preparation device using the sample fixing holder. Two ends of each one of sample loading members are respectively tightly pressed and fastened by the pressing holes and pressing members so that the problem that at present, after multiple sample loading members are fixed, the sample loading members easily loosen or the fixed angle easily produces deflection is solved.

The invention discloses an online straightening mechanism for continuous cold drawing and unwinding of a finished oxygen-free copper rod, and relates to the technical field of metal rod straightening devices. The online straightening mechanism comprises a guide assembly, a primary straightening assembly, a secondary straightening assembly and a reinforcing and shaping assembly which are sequentially arranged in the advancing direction of an oxygen-free copper rod body, the guide assembly comprises a fixing pipe, and a plurality of guide wheels are arranged on the periphery of the inner axis of the fixing pipe at equal intervals by a lap. The guide wheels are installed on the inner wall of the fixing pipe through a fixing rotating shaft and a supporting frame, and the side surfaces of the guide wheels are in a concave groove shape. By arranging the guide assembly, the primary straightening assembly, the secondary straightening assembly and the reinforcing and shaping assembly, the problems that most of existing online straightening mechanisms are used for temporarily and intensively straightening, and internal stress is gradually released after oxygen-free copper rods come out of the straightening mechanism, as a result, the straightened oxygen-free copper rod is insufficient in structural stability and has a bending angle are solved.