34results about How to "High accuracy of angle adjustment" patented technology

The invention relates to the technical field of measurement, and discloses a lifting type measuring apparatus supporting tripod which comprises a support. Three expansion brackets are hinged to the bottom of the support. A fixed base is fixedly arranged on the top of the support. A round groove is formed in the center of the top of the fixed base. A drum is rotationally connected into the round groove through a first bearing. A fixed cylinder is arranged in the drum. The bottom end of the fixed cylinder is fixedly connected with the fixed base. A screw matched with the fixed cylinder is arranged in the fixed cylinder. A slider is fixedly connected with the bottom of the side wall of the screw. A guide notch matched with the slider is formed in the side wall of the fixed cylinder. A nut isfixedly connected with the inner top of the drum. The screw penetrates through the nut and is in threaded connection with the nut. The top end of the screw is connected with an apparatus placing rack.The height of the measuring apparatus can be adjusted by rotating the drum to move the screw up and down, different heights can be conveniently measured, the height can be easily and conveniently adjusted, there is no need to adjust the length of the expansion brackets, and the measuring efficiency can be easily improved.

The invention discloses a dynamic balancing method and device for a substation operation inspection robot, aiming at solving the technical problem that the smooth transportation of test instruments cannot be guaranteed during the substation operation inspection process. It includes: using the gyroscope to measure the inclination between the load-bearing surface and the horizontal plane of the inspection robot in real time; based on the inclination feedback control technology, selecting the angle adjustment rate of the load-bearing surface according to the collected inclination; adjusting the speed according to the angle of the load-bearing surface. Adjusts the amount of inclination between the load-bearing surface and the horizontal plane. The invention can realize the dynamic balance of the load-bearing surface of the inspection robot, improve the safety and stability of the transportation work of the test instrument, and improve the work efficiency of the inspection robot.

The invention discloses a bending angle controller of a bending machine, which comprises a controller body, wherein the side face of the controller body is provided with an angular scale, and is further provided with an angle fine tuning knob; the other side face of the controller body is provided with a height fine tuning knob; the angle fine tuning knob is vertical to the height fine tuning knob, and the surface of the angular scale is provided with a protective cover. Due to the fact that the bending angle controller of the bending machine is provided with the angular scale on the body, and two fine tuning knobs, which are mutually vertical to each other, are arranged at the two side faces of the body, are respectively used for realizing angle adjustment and height adjustment, and are matched with each other to more accurately control the scale values of the angular scale, so that the angle adjustment precision of the bending angle controller of the bending machine is greatly improved.

The invention provides a heating angle adjusting device for a variable-cross-section stabilizer rod. The end part of a rod piece has a variable cross section. The thin rod piece angle adjusting device comprises an angle identification mechanism, an angle adjusting mechanism and a control mechanism, wherein the control mechanism controls the angle adjusting mechanism to rotate the thin rod piece, the angle identification mechanism senses the projected area of the two ends of the thin rod piece, and when the projected area reaches a set standard, a far-infrared sensor sends stopping information to the angle adjusting mechanism, and the angle adjusting mechanism stops working. Compared with the prior art, the angle adjusting device has the advantages that the far-infrared sensor senses the projected area of the end parts of the thin rod piece, and the angle can be automatically adjusted through the angle adjusting mechanism so as to meet the optimal heating angle requirement.

The invention discloses a projector support for business management teaching. The projector support for business management teaching comprises a fixing plate and a shell. The two sides of the bottom of the fixing plate are symmetrically provided with electromagnetic plates. The top of the fixing plate is provided with a fixing arm in a welded manner. The center of the top of the fixing arm is welded to an installation plate through a connection block. A double-shaft motor is fixedly installed in the fixing arm and located in the middle of the upper surface of the fixing plate. The two ends ofthe double-shaft motor are both in transmission connection with transmission shafts through output shafts. Reels are welded to the two transmission shafts. According to the projector support for business management teaching, through work of an inflator pump, external air enters an air bag layer, along with increase of the air, the air pressure gradually increases, the air bag layer expands and enlarges, the edge of a projector can be clamped and fixed, and therefore manual operation for clamping is not needed; the projector support for business management teaching is simple in structure, convenient to operate, stable and reliable in fixing effect and greatly improves the installation efficiency; and by means of the structure, it is guaranteed that in the clamping and fixing process, rigidcontact is avoided, and the projector is prevented from being damaged.

The invention relates to a steel-rail lateral monoclinic seamless welding surface cutting device and a control method. The cutting device is characterized in that a band saw blade is taken as a cutting tool which can cut two lateral monoclinic sections with equal angles, and the cutting device is composed of a steel-rail pressing structure, a monoclinic band saw cutting structure, a cutting hydraulic system, a control circuit system and the like; the two cut steel rails are positioned and clamped through the steel-rail pressing structure, so that accurate angle and stability in cutting can be guaranteed; a horizontal gantry structure is adopted in the monoclinic band saw cutting structure so as to mainly perform lateral monoclinic angle welding plane cutting on the steel rails; the cutting hydraulic system drives feed movement in time of pressing and cutting; the control circuit system controls smooth implementation in the whole process of pressing and angle cutting. By the cutting device, two monoclinic welding sections can be welded together by one-step cutting, so that the cutting device has the advantages that cutting angle is accurate, cutting efficiency is high, rigidity is good, operation is stable, the band saw blade is long in service life, quality of section cutting is good, and the like.

A gradient-adjustable experimental device includes an operating mechanism, a controller, a stepping motor drive system and a workbench, wherein the workbench includes two inclined panels, a flat panel, a vertical guide rod, tooth-shaped tracks and a gear, the flat panel is arranged on the vertical guide rod in a horizontally sliding manner and can slide up and down along the guide rod, one ends of the two inclined panels are rotatably connected to two opposite sides of the flat panel, lower surfaces of the two inclined panels are each rotatably connected with a tooth-shaped track, the tooth-shaped tracks are parallelly arranged in a vertical direction, the gear is arranged between the two tooth-shaped tracks and meshes with the two tooth-shaped tracks at the same time, and a stepping motor in the stepping motor drive system is connected with the gear. According to the gradient-adjustable experimental device provided by the invention, the operating mechanism controls the stepping motor through the controller to drive the gear to rotate, and the gear drives the two tooth-shaped tracks to synchronously move towards opposite directions, so that the gradients of the two inclined panels are synchronously adjusted at will.

The invention discloses a fan, which comprises a blade, a mounting base and an angle adjuster, the angle adjuster is connected with the end of the blade, the angle adjuster and the ends of the blade are both located in the mounting base, and the angle adjuster is fixedly connected with the mounting base , one end of the angle adjuster is evenly provided with a plurality of angle adjustment teeth, and the end of the blade is provided with tooth grooves matching with the angle adjustment teeth. By setting the angle adjustment teeth at one end of the angle adjuster and the angle adjustment column at the other end, and cooperating with multiple angle adjusters with different positions of the angle adjustment columns, the blades of the fan can be adjusted to a secondary angle. Simple adjustment, convenient disassembly and assembly, and high angle adjustment accuracy.

A slope-adjustable slope experimental device comprises a control mechanism, a slope surface workbench and a slope adjusting mechanism. The control mechanism is composed of a controller, a control system and a stepper motor drive system. The slope surface workbench comprises a surface plate and two sloping plates. The slope adjusting mechanism comprises a bottom groove, tooth-like tracks, a gear and a sliding block mechanism. The bottom groove is provided with a support pillar for supporting the surface plate, and a boss is arranged in the bottom groove. There are two tooth-like tracks which are parallelly arranged up and down in the length direction of the bottom groove, wherein one of the tracks is slidingly arranged on the boss. The gear is arranged between the two tooth-like tracks and is driven by a stepper motor in the stepper motor drive system after engaged with the two tooth-like tracks. The sliding block mechanism is composed of a sliding block and a chute which is arranged on the sloping plate and used for letting the sliding block slide. The sliding block is movably connected to one end of the corresponding tooth-like track. The device provided by the invention has an elaborate structure, is convenient to operate, has high angle adjustment accuracy and is especially applicable to slope experiments, in which height of a slope surface is required to be unchanged.