11results about How to "Reduce radial load" patented technology

The invention provides a left-right rotation crossed cutting edge milling cutter for inhibiting burrs, and relates to the technical field of milling cutters, the left-right rotation crossed cutting edge milling cutter comprises a cutter handle main body, a cutting edge and an end cover, the cutting edge comprises a right rotation edge and a left rotation edge, the tool front angle of the cutting edge is 5-10 degrees, the tool rear angle of the cutting edge is 10-12 degrees, and the tool cutting edge angle of the cutting edge is less than 60 degrees, the unique crossed edge design plays a key role, the right-handed rotation edge and the left-handed rotation edge are matched with each other, a material cutting layer is effectively controlled from the upper direction and the lower direction when a composite material is cut, and when the cutting edges cut into the material, the upper layer is stably compacted by the right-handed rotation edge, and the lower layer is precisely lifted by the left-handed rotation edge, the material cutting layer is effectively controlled. And the special design of the first chip removal groove and the second chip removal groove is the core element for improving the cutting stability, cuttings are prevented from being wound and blocked in the grooves, the radial load of the cutter is reduced, and the occurrence probability of cutter vibration is reduced fundamentally.

The utility model provides a lifting assembly street lamp stable in stress. The lifting assembly street lamp comprises a lamp pole, a lamp holder mechanism, a lifting mechanism and a locking mechanism. The lamp pole comprises a lamp pole and a lamp cap connecting part positioned on one side of the lamp pole; the lamp holder mechanism is detachably connected with the lamp holder connecting part and comprises a supporting rod, and the supporting rod is arranged on the lamp post in a crossing mode. The lifting mechanism comprises a lifting steel rope which penetrates through the lamp holder connecting part from the lamp pole and extends outwards, and the lifting steel rope is used for being connected with the lamp holder mechanism to drive the lamp holder mechanism to ascend and descend relative to the lamp pole; the locking mechanism is arranged on the lamp holder connecting part and used for locking or unlocking connection between the lamp holder mechanism and the lamp holder connecting part. According to the street lamp, the supporting rod, used for installing the lamp holder or the solar panel and other accessories, on the lamp holder mechanism is arranged on the lamp post in a striding mode, the gravity center of the lamp holder mechanism can be close to the lamp post as far as possible or arranged on the lamp post, and therefore the radial load borne by the lamp post is as small as possible, stress balance of the lamp post is guaranteed, and the stability of the street lamp during installation and use is improved.

The invention discloses a tool holder for machining annular grooves in deep holes, belonging to the field of lathe machining, a deep hole tool bar, a tool structure, and a radial feed structure. The tool structure comprises a tool mounting seat, and at least two cutting tools which are uniformly distributed circumferentially on the tool mounting seat and perform cutting simultaneously. The cutting surfaces of the cutting tools are oriented clockwise or counterclockwise relative to the center of the tool mounting seat. The at least two circumferentially uniformly distributed cutting tools can perform cutting simultaneously, and the load directions of the cutting tools can offset each other, thereby greatly reducing the radial load of the tool bar and avoiding deformation due to bending moment. The problem in the prior art that, when machining annular grooves in deep holes, the tool bar is easily deformed due to bending moment due to the unidirectional load on the tool, which leads to difficulty in normal cutting, or results in small cutting volume, reduced cutting efficiency, and other problems.

The utility model relates to photovoltaic support technical field discloses a section steel connecting structure, including C type steel subassembly and no curling C type steel, C type steel subassembly includes first C type steel and second C type steel, the web of no curling C type steel is set up with the curling of first C type steel adaptation's bayonet, the two flanges of no curling C type steel all are set up with the flange of first C type steel adaptation's first gap, the first C type steel is set up with the second gap of first gap one -to -one correspondence and the clamping cooperation, the curling of first C type steel includes the clamping portion between two first gaps, this clamping portion and bayonet clamping cooperation, first C type steel, second C type steel and no curling C type steel are connected through fastening assembly. Through setting up with the bayonet and first gap of first C type steel adaptation on no curling C type steel, cooperate corresponding second gap on first C type steel, form double positioning clamping structure, can promote the stability and carrying capacity of section steel connecting structure.

The invention discloses a quasi-real friction test bench of a radial plunger tilt cylinder hydraulic motor friction pair, which comprises a hydraulic loading system and a rack, and also comprises an eccentric shaft and a first servo motor which are arranged on the rack, and the eccentric shaft comprises an upper end fixing shaft and a lower end fixing shaft which are connected to the rack through respective rolling bearings; the lower end fixing shaft is coaxially connected with the first servo motor, the upper end fixing shaft and the lower end fixing shaft are coaxial, and the eccentric shaft further comprises an adjustable eccentric shaft with the distance between the axis and the axis of the fixing shaft adjustable. Two tilt cylinders needing to be subjected to a real friction test are symmetrically arranged on the rack; the device further comprises a micro swing angle generating mechanism used for simulating reciprocating swing friction between a radial plunger swing cylinder hydraulic motor crank and the swing cylinder. The quasi-real friction test bed is high in pertinence, can perform a quasi-real friction test on the radial plunger tilt cylinder hydraulic motor friction pair for a long time, and can obtain related data of friction performance of the radial plunger tilt cylinder hydraulic motor friction pair under different working conditions.

The utility model provides a kind of rotary compressor and the air conditioner with the rotary compressor of this utility model.The compressor includes: shell;Motor, including rotor;And compression assembly, including crankshaft, crankshaft is set to be fixedly connected with rotor, to make crankshaft rotate under the drive of motor;Wherein, crankshaft includes main body and, at least one eccentric portion is spacedly distributed along the axial direction of main body;And the axial end surface of rotor is provided with at least one lightening groove, to balance the eccentric force formed by at least one eccentric portion.This application can balance the eccentric force generated by eccentric portion rotation by setting lightening groove on rotor, while avoiding the weight of whole machine, so that the radial stress of crankshaft and roller and other transmission components under static and dynamic is greatly reduced, especially under dynamic, reduce the vibration and operating noise of whole machine caused by imbalance, reduce energy consumption while prolong the service life of core components.

The utility model discloses a self-centering anti-rotation bearing of a submersible motor, which relates to the technical field of bearings, and comprises a bearing body, a micro rotor, telescopic top blocks and a taper sleeve, the taper sleeve is inserted on the end face of the bearing body, a plurality of telescopic top blocks are movably inserted in the circumferential direction of the bearing body, and the inner ends of the telescopic top blocks are contacted with the external conical surface of the taper sleeve. The two micro rotors are located at the two ends of the taper sleeve correspondingly and connected to the bearing body through threads, the micro rotors rotate to push the taper sleeve to displace, and then the telescopic ejector block displaces in the radial direction of the bearing body. Coaxiality of the stator and the rotor of the submersible motor can be improved, unilateral magnetic pulling force to the rotor caused by eccentricity of the stator and the rotor is reduced, operation stability of the motor is improved, radial load of the bearing is reduced, and efficiency and service life of the motor are further improved. Meanwhile, the method has great significance in research and development of improving the power density and the torque density of the submersible motor.

A radially rotating cylinder liquid piston type reciprocating compressor and a working method thereof, relate to the field of compressor design and manufacture, and include a compressor housing, a compression assembly, a control assembly, a flow regulating device, a cooling circulation system, a gas-liquid processing device, a purging device and a safety protection device; the compression assembly includes a transmission shaft, a cylinder body, a liquid piston, a choke plug, a bearing, a retainer and an adjusting cylinder; the cylinder body is eccentrically arranged in the adjusting cylinder, a transmission shaft is fixed in the center hole of the cylinder body, a plurality of mounting holes are evenly distributed radially and radially along the outer edge surface of the cylinder body, the mounting holes are arranged from the inside to the outside in sequence as a cylinder chamber, a compressed liquid, a choke plug and a bearing, the choke plug is connected to the adjusting cylinder and the retainer on the inner wall thereof through a bearing, and conducting holes are opened in the cylinder chamber along the axial direction of the cylinder body, and the conducting holes are connected to the control assembly; the present invention has compact structure, balanced power, flexible control and more stable operation.

The invention relates to a high-speed bearing with a self-adaptive function. Comprising an outer shaft sleeve, an inner shaft sleeve rotationally arranged in the outer shaft sleeve, two rolling assemblies oppositely arranged in two mounting grooves in the outer shaft sleeve, a spherical structure formed on the outer wall of the inner shaft sleeve and abutting against the two rolling assemblies, and a connecting groove formed in the inner wall of the inner shaft sleeve. The filling hole is formed in the outer shaft sleeve and used for filling a sealing cavity between the outer shaft sleeve and the inner shaft sleeve with lubricating grease, the sealing plug is arranged in the filling hole, the connecting plate is arranged on the outer shaft sleeve and the inner shaft sleeve, and the mounting holes are formed in the connecting plate and used for mounting bolts. The invention further provides bearing production equipment. By arranging the assembling mechanism, the forming mechanism, the discharging mechanism, the bearing mechanism, the conveying mechanism and the grabbing mechanism, automatic production of the high-speed bearing with the self-adaptive function is achieved. The problems that lubricating grease of an existing high-speed bearing is uneven, prone to leakage and damage and short in service life are solved.

The invention discloses a wave generator flexible supporting structure of a harmonic reducer of a steering engine, which comprises a flexible gear output assembly and a wave generator assembly sleeved on the flexible gear output assembly, and the diameter d of an output shaft at the supporting position of the wave generator assembly on the flexible gear output assembly is equal to D-(2-4) * delta; when the diameter of an output shaft at the supporting position of the wave generator assembly on the flexible gear output assembly is larger than or equal to 10 mm, an annular groove is formed in the center of the supporting position, and a rubber O-shaped sealing ring is arranged in the annular groove. A gap is kept between the output shaft and the wave generator, and the O-shaped sealing ring is in flexible contact, so that even if the output shaft is bent and deformed, the output shaft and the wave generator are not in rigid contact, bending deformation has no additional acting force on the wave generator, and flexible operation of the wave generator and normal work of the steering engine are guaranteed. The annular groove is formed, the rigidity of the output shaft is weakened, the stress condition of the small bearing is greatly reduced, and the radial load of the small bearing can be reduced by 50%-70%. And under the same volume, weight and motor power, the bending moment bearing capacity is improved by 2-3 times.

The present disclosure relates to the technical field of electromagnetic bearing, and particularly relates to an electromagnetic bearing rotor system, which comprises a rotating shaft and a mounting base, the mounting base is coaxially provided with an electromagnetic bearing assembly and an auxiliary bearing assembly, the rotating shaft is arranged through the electromagnetic bearing assembly and the auxiliary bearing assembly; the auxiliary bearing assembly comprises an outer ring valve seat, an inner ring valve seat and an auxiliary bearing, the outer ring valve seat is connected with an outer ring of the auxiliary bearing, and the inner ring valve seat is connected with an inner ring; a gap is formed between the outer ring valve seat and the mounting base along the axial direction of the rotating shaft, an elastic member is arranged in the gap, a connecting hole for the rotating shaft is arranged on the inner ring valve seat, an abutting surface is formed on the wall of the connecting hole, the abutting surface is inclinedly extended along the axial direction of the rotating shaft and away from the rotating shaft, the rotating shaft is abutted with the abutting surface, so that the axial and radial loads are balanced through the elastic member, the auxiliary bearing is protected, the supporting effect of the auxiliary bearing assembly on the rotating shaft is further improved, and the electromagnetic bearing assembly is better protected.