32results about How to "With anti-loose function" patented technology

The invention provides a medium-sized mobile lamp vehicle, which comprises an illuminating light source (1), a lamp projection angle adjusting mechanism (2), a lamp tower (3), a generator set (4), a chassis (5) and supporting legs (6), wherein the illuminating light source (1) and the lamp projection angle adjusting mechanism (2) are arranged on the lamp tower (3); the lamp tower (3) is fixed on the chassis (5) through a fixing seat; the generator set (4) is carried on the chassis (5); and the supporting legs (6) are arranged at the rear end, the left side end and the right side end of the chassis (5). The medium-sized mobile lamp vehicle is compact in structure, low in cost and multifunctional, has reliable windproof and anti-tilting parking stability and a good mobile passing ability, and meets requirements on outdoor emergency or temporary illumination.

The invention provides a three-way frequency-adjustable dynamic vibration absorber. The three-way frequency-adjustable dynamic vibration absorber comprises a guide rod, a middle nut, an upper nut, a lower spring, an upper spring, a lower fixed mass block, an upper fixed mass block and a plurality of frequency adjusting mass blocks, wherein the lower fixed mass block, the frequency adjusting mass blocks and the upper fixed mass block are installed on the guide rod in a sleeved mode in sequence, and the lower fixed mass block, the frequency adjusting mass blocks and the upper fixed mass block are fixed on the guide rod through pretightening force due to the matching between the middle nut and the lower spring and the matching between the upper nut and the upper spring. According to the three-way frequency-adjustable dynamic vibration absorber, due to the fact that the guide rod, the upper fixed mass block and the lower fixed mass block are assembled together, uniform vibration absorption frequency is achieved in any direction of the guide rod, and then uniform vibration absorption performance in the three directions are guaranteed.

The invention discloses a round-tooth cutter numerical control grinding machine and a grinding method thereof, and belongs to the field of grinding machines. The grinding machine comprises an X-axis part, a Y-axis part, a Z-axis part and a grinding wheel dressing device. The X-axis part comprises a grinding wheel drive device, and the grinding wheel drive device is used for driving a grinding wheel to rotate in the XZ plane to grind a blade and can move in the X-axis direction so as to adjust the X-axis coordinate of the grinding wheel. The Y-axis part is provided with the Z-axis part. The Z-axis part comprises a workpiece drive device, and the workpiece drive device is used for clamping and driving the blade to rotate and can adjust the Y-axis coordinate and the Z-axis coordinate of the blade. The grinding wheel dressing device is used for driving a dressing wheel to rotate in the XY plane. According to the method, the peripheral face of the grinding wheel is firstly dressed through the dressing wheel, then the vertical height of a round-tooth cutter is adjusted, and finally a cutting edge of the round-tooth cutter is ground. According to the round-tooth cutter numerical control grinding machine and the grinding method, the cutting edge of the round-tooth cutter can be automatically ground, grinding operation can be completed through one-time clamping, and the beneficial effects of being high in machining precision, production efficiency and yield and low in cost are achieved.

The invention discloses an elastic positioning adjusting device for a conical pulley, which is applied to the technical field of automatic welding. The elastic positioning adjusting device is characterized by consisting of a conical pulley shaft, a conical pulley shaft sleeve, a double row angular contact bearing, a copper bush, a bearing cone cushion, an elastic retainer ring for shafts, a disc spring, a movable shaft, a shaft sleeve gland, an adjusting mounting base, a regulating hand wheel, an elastic retainer ring for holes, fastening screws and limit screws. The elastic positioning adjusting device has the advantage that: the elastic positioning adjusting device realizes that the conical pulley can reliably and stably rotate, has functions of accurate elastic positioning and wide-range position adjustment, has looseness-proof function, has compact and even structure, meets the design requirements for miniaturization and portability of a welding carriage and a track, and improves the positioning precision and walking reliability of the steel pipe automatic welding carriage.

The invention relates to a plant fiber molding cup cover with anti-loosening inner protruded strips and a method for manufacturing the inner protruded strips. The purpose is that the cup cover can be in close contact with an arc-shaped opening edge of a paper cup body well, and looseness of the cup cover can be avoided; a method for producing the cup cover is provided, and the method has the advantages of easiness in demolding and high production efficiency and automation degree. The technical scheme is that the plant fiber molding cup cover with the anti-loosening inner protruded strips comprises a cup cover side straight edge and continuous ring-shaped arc-shaped grooves. The plant fiber molding cup cover is characterized in that the arc-shaped grooves are protruded upwards, a group of incontinuous inner protruded strips protruding towards the inner side of the cup cover side straight edge are arranged on the inner side of the cup cover side straight edge, and the inner protruded strips are located below the arc-shaped grooves. The method for manufacturing the inner protruded strips of the plant fiber molding cup cover is characterized by comprising the following steps: (1) die opening; (2) material placing; (3) mold assembly; (4) die opening; and (5) cup cover taking out.

The invention relates to the technical field of anti-theft bolts for a power transmission line iron tower, in particular to a detachable anti-theft bolt assembly for a power transmission line iron tower. The detachable anti-theft bolt assembly comprises a bolt, a first nut, a second nut, an adjusting block, a limiting block, a reset elastic sheet and a special wrench; the second nut is clamped into a groove through a protrusion to be arranged on the first nut in a covering mode; the adjusting block and the limiting block are installed in a cavity through a rotary shaft, the adjusting block ispressed on the limiting block, and the limiting block is pressed on the reset elastic sheet; a threaded rod of the bolt is uniformly provided with tooth-like clamping grooves, the limiting block is provided with clamping pins corresponding to the clamping grooves, and the limiting block is clamped into the clamping grooves through the clamping pins so that the bolt can be locked; and the adjustingblock is provided with a special-shaped groove, the special wrench is provided with a wrench head corresponding to the special-shaped groove, the wrench head is inserted into the special-shaped groove so that the adjusting block can be driven to rotate around the rotary shaft, accordingly, the limiting block is driven to rotate, the clamping pins are separated from the clamping grooves, and the bolt is unlocked. The detachable anti-theft bolt assembly has the anti-theft and anti-loosening functions, the bolt can be disassembled without being damaged, the overhaul operation efficiency is improved, and the cost is reduced.

The invention relates to an intelligent gasket with an anti-loosening function for monitoring a bolt fastening state and a monitoring method. The intelligent gasket comprises a metal upper piece, an insulating piece, a monitoring piece, a hyperelastic piece and a metal lower piece, the metal upper piece and the metal lower piece not only bear and prevent scratches, but also play a role in sealing protection, and the insulating piece and the hyperelastic piece are both made of insulating materials. And the monitoring circuit is not conducted with the metal upper piece and the metal lower piece. According to the requirements of different tightening torques, the structure and material parameters of the internal monitoring piece and the hyperelastic piece are adjusted, the good elastic recovery capacity of the hyperelastic piece is used for enabling the metal contact of the monitoring piece to make contact with or be separated from the metal lower piece when the bolt pre-tightening force changes, and the on-off state change of an internal monitoring circuit is achieved; and therefore, the connection state of the bolt is represented. Compared with a grating type, piezoelectric sensing type or resistance strain gauge type intelligent fastener, the intelligent gasket is low in cost and high in reliability, not only has an anti-loosening function, but also can effectively monitor the bolt fastening state to prevent connection failure.

The invention discloses a looseness-preventing and seizure-preventing sleeve thread connecting method and an assembly; the assembly comprises a bolt and nut connecting assembly; the method comprises the following steps: firstly forming 2-8 conical notches at one end of the nut, conducting radial extruding on the nut of the end, provided with the conical notches in order to enable the nut to shrink, namely a section of conical hole thread with gradually reducing diameter is formed in the internal thread of one end of the nut, the nut has the looseness-preventing function when being connected with the bolt by using the conical hole thread; and meanwhile, firstly plating a layer of zinc-nickel alloy layer on the surface of the thread of the nut, and then dip-coating a layer of molybdenum disulfide layer, in this way, the nut has high-corrosion-resistance and seizure-preventing functions when being connected with the bolt. The method and the assembly not only have the advantages of being capable of effectively preventing a fastener from the phenomenon of seizure, rotation, rusting and breaking during use, but also have the following advantages that the structure is simple, the manufacturing cost is low, the weight is light, the service is safe and reliable, the assembly is convenient and fast to disassemble and maintain, etc.

The invention provides a locknut and a using method thereof as well as a part assembling method, and belongs to the field of machinery. The locknut comprises a nut body and a gasket, and the gasket ismovably connected with the nut body; the locknut further comprises a locking ring with an opening; and a screw shaft penetrates through the locking ring, so that the locking ring is connected with the locknut, and the internal size of the locking ring becomes larger or smaller after the locking ring is subjected to external force. The locknut is beneficial to subsequent disassembly and protectionof the screw shaft. The using method of the locknut comprises the steps of pre-mounting, clamping and dismounting, any violent dismounting step does not exist by clamping and pulling the locking ring, and the screw shaft is fully protected. The part assembling method comprises the steps of flaring sleeving and necking closing, the design is novel, the yield is high, and processing is convenient.

The invention relates to a big power spiral bevel gear reducer, which is provided with an engine body and a spiral bevel gear shaft, wherein an output shaft, a first and a second gear shafts are arranged in the engine body, a stop cover is arranged on one end of the output shaft, a through cover is arranged on the other end of the output shaft, end covers are fixedly arranged on the two ends of the first and the second gear shafts through bolts, a key slot is arranged on one end of the spiral bevel gear shaft, the other end of the spiral bevel gear shaft is connected with a spiral bevel gear, the spiral bevel gear is engaged with the first gear shaft, the first gear shaft is engaged with the second gear shaft through a first gear, and the second gear shaft is engaged with the output shaft through a second gear. The big power spiral bevel gear reducer is simpler and more novel in structure, small in whole volume, large in transmission torque, small in noise, large in overload capacity, long in service life and excellent in sealing performance and dustproof performance, can not cause large damage when the power is large, has anti-loose function, and does not affect strength of a shaft.

The invention relates to an anti-falling screw component with an anti-loose function and belongs to the technical field of anti-falling screws. The anti-falling screw component can be used for solvingthe problem in the prior art that the anti-loose effect of screws is poor since anti-loose components are non-concentric with the screws. The anti-falling screw component with the anti-loose functioncomprises a screw, an anti-loose component and a fixing sleeve, wherein the anti-loose component is arranged between the screw and the fixing sleeve; the anti-loose component has elasticity and is provided with a round hole through which the screw penetrates; the fixing sleeve is of a sleeve-shaped structure with internal threads; after the screw is screwed down, the upper end surface of the fixing sleeve is in close contact with the lower surface of the anti-loose component; the lower end of a screw head of the screw is provided with an annular step; the diameter of the annular step is slightly smaller than the inner diameter of the anti-loose component; and after being compressed, the anti-loose component is concentric with the screw head. The anti-falling screw component with the anti-loose function, provided by the invention, can be used for connecting a case panel with a cabinet or a rack.

The invention discloses a heating beater device, comprising a head, a base and a beating cup body. The beating cup body is arranged on the base. The head is connected and matched with the beating cup body. The head comprises a head cover and a head seat. The head seat is internally provided with a motor assembly, which is connected with a stirrer. The head cover is provided with a handle. The heating beater device is characterized in that a control circuit is arranged in the base, the head and the base are connected by a coupler, the control circuit is connected with and controls the motor assembly to separate the motor from the control circuit, the coupler includes an upper connector and a lower connector, and the height of the coupling connection position of the upper connector and the lower connector is lower than the cup mouth level of the beating cup body. The heating beater device has the advantages of simple structure, reasonable design, better stability, safer use and longer service life compared with the same type of products.

The invention discloses a radio connection device with an anti-loosening function. The device comprises a shell, a mounting plate, a cavity, an insertion hole, a fixed seat, a conductive block, a connecting wire, an insulating pad, a connecting seat, a joint, a wire, a metal sheet, a clamping groove, a notch, a sliding groove, a shifting block, an insertion rod, a reset spring, a partition plate, a guide plate, a cover plate, a fixed block, an opening, a guide groove, a rubber strip, a sleeve rod, a connecting spring, a movable rod, a limiting sleeve, a screw rod, a nut, a knob, a positioning hole, a T-shaped groove, a T-shaped block and a dustproof plate. And a sealing strip and a stud. The radio connecting device has the beneficial effects that the radio connecting device is adopted to realize anti-loose connection with radio equipment, the stability of the radio connecting device after connection is ensured through multiple limiting, meanwhile, the lead can be limited, the lead is prevented from being damaged, the problem of loosening at the joint is avoided, the protection performance is improved, meanwhile, the dustproof protection effect can be achieved, and the service life of the radio equipment is prolonged. The service life of radio is prolonged, and the protection performance of the radio connection device is improved.

The invention discloses an integrated conductive anti-loose and anti-leakage fastener structure comprising a fastener having a surface a part of which is a fastening contact surface; and a conductiveanti-loose structure formed in the fastening contact surface. The conductive anti-loose structure includes a fastener having a surface the surface of which is a fastening contact surface; and a conductive anti-loose structure formed in the fastening contact surface. The conductive anti-loose structure comprises an anti-loose structure which is PA polyamide resin, PMMA acrylic resin, PE polyethylene, epoxy resin, Silicone silica gel, and / or rubber; and a conductive structure mixed in the anti-loosen structure, wherein the conductive structure is carbon black, metal powder, silver wire, and / or grapheme. Thus, the fastener structure not only has an anti-loose function, but also achieves a conductive function. The coating structure on the fastener can have a function of preventing loosening and leakage and achieve electric conduction.

The invention discloses a mounting device for a hanging type 120-type air control valve. The device comprises a mounting seat which comprises a lifting plate, an outer side plate and an inner side plate, the lifting plate, the outer side plate and the inner side plate are connected to form a U shape, the lower end of the mounting seat and a chassis of a vehicle form a floor, the lifting plate is used for mounting the hanging type 120-type air control valve, a first opening is formed in the inner side plate, and two sides of the mounting seat are open; the device further comprises a front protective cover and a rear protective cover which are detachably connected with the mounting seat, wherein the front protective cover and the rear protective cover can block the two open sides of the mounting seat respectively, and clamping hook structures are arranged on the front protective cover and the rear protective cover; the device further comprises locking mechanisms which are arranged on the two sides of the mounting seat, the locking mechanisms are matched with the clamping hook structures, the locking mechanisms can lock the clamping hook structures, and the front protective cover and the rear protective cover are fixed to the mounting seat; the mounting seat, the detachable front protective cover and the detachable rear protective cover are adopted to form a mounting and protecting structure, so that reliable mounting of the hanging type 120-type air control valve can be guaranteed, and the hanging type 120-type air control valve can be conveniently disassembled.

The invention discloses a round-tooth cutter numerical control grinding machine and a grinding method thereof, and belongs to the field of grinding machines. The grinding machine comprises an X-axis part, a Y-axis part, a Z-axis part and a grinding wheel dressing device. The X-axis part comprises a grinding wheel drive device, and the grinding wheel drive device is used for driving a grinding wheel to rotate in the XZ plane to grind a blade and can move in the X-axis direction so as to adjust the X-axis coordinate of the grinding wheel. The Y-axis part is provided with the Z-axis part. The Z-axis part comprises a workpiece drive device, and the workpiece drive device is used for clamping and driving the blade to rotate and can adjust the Y-axis coordinate and the Z-axis coordinate of the blade. The grinding wheel dressing device is used for driving a dressing wheel to rotate in the XY plane. According to the method, the peripheral face of the grinding wheel is firstly dressed through the dressing wheel, then the vertical height of a round-tooth cutter is adjusted, and finally a cutting edge of the round-tooth cutter is ground. According to the round-tooth cutter numerical control grinding machine and the grinding method, the cutting edge of the round-tooth cutter can be automatically ground, grinding operation can be completed through one-time clamping, and the beneficial effects of being high in machining precision, production efficiency and yield and low in cost are achieved.

The invention discloses an anti-loosening stainless steel pre-embedded sleeve. The anti-loosening stainless steel pre-embedded sleeve comprises a main body, wherein the main body comprises a sleeve body and an anti-pulling device; a center hole is formed in the sleeve body, and an anti-loosening internal thread is arranged at one end of the center hole; and the anti-pulling device and the sleeve body are integrally formed and manufactured, the anti-pulling device is arranged at the end, away from the anti-loosening internal thread, of the sleeve body, and the ratio of the height of the anti-pulling device to the outer diameter of the sleeve body to the height of the main body is (1.2-1.5): 1: (2.5-4). According to the anti-loosening stainless steel pre-embedded sleeve, the anti-pulling device and the sleeve body are integrally formed, the structure is simple, machining is convenient, and the production efficiency is high. The anti-loosening internal thread is arranged on the sleeve body, so that the pre-embedded sleeve has an anti-loosening function, loosening can be prevented, and fixing is firmer. The height of the anti-pulling device, the outer diameter of the sleeve body and the height of the main body are limited, so that the maximum limited axial pulling force is guaranteed, and the strength of the anti-loosening stainless steel pre-embedded sleeve meets the mechanical requirements for pulling resistance and rotary shearing.

The novel operating valve comprises a valve seat and a nylon valve element, an air outlet hole is formed in the valve seat, an air cylinder front air hole, an air cylinder rear air hole and a closed air hole are evenly distributed in the periphery of the air outlet hole, the lower end of the nylon valve element is rotationally connected with the valve seat, and an annular groove is formed in the side wall of the nylon valve element; a first connecting hole is formed in the lower end of the nylon valve element, a second connecting hole, a third connecting hole and a fourth connecting hole are evenly distributed in the outer circumference of the first connecting hole, and the second connecting hole and the third connecting hole form a V-shaped gas circuit with the first connecting hole through a first through hole and a second through hole respectively. Meanwhile, the nylon valve element solves the problems that the nylon valve element exerts overlarge pressure on the valve seat and the contact face is abraded too fast through the air charging groove, reliability of the operating valve is improved, the service life of the operating valve is prolonged, and manufacturing and repairing cost is reduced; and only the rubber sealing structure needs to be replaced during maintenance, so that the maintenance efficiency is also improved.

The invention discloses a threaded connection device with an anti-loosening function, and relates to the technical field of fastening devices. The threaded connection device comprises an anti-loosening nut comprises an anti-loosening nut body and a plurality of conical parts; an internal thread is arranged in the middle of the anti-loosening nut body; at least one telescopic groove is formed in the inner side of the anti-loosening nut body in the radial direction of the threads; and the multiple conical parts sleeve the outer side of the anti-loosening nut body and are in interference fit with the anti-loosening nut body. The threaded connection device with the anti-loosening function can be effectively prevented from loosening under the action of impact, vibration and variable load, and the safety is enhanced.

The invention provides a compact type inertia wheel for spacecraft. The compact type inertia wheel is characterized by comprising a main inertial part, an outer connecting part and a connecting part;the main inertial part is connected with the outer connecting part through the connecting part; themain inertial part, the outer connecting part and the connecting part are arranged in a concentric ring shape; weight reducing holes are uniformly formed in the circumference of the connecting part; and a stop opening and a thread are formed in the outer connecting part. The compact type inertia wheel has small outside diameterand large inertia, and the miniaturization use requirement of spaceflight is met; rhenium is adopted for manufacturing, and the inertia is improved by increasing density; the stop opening is additionally designed at the thread position to improve the centering performance; the weight reducing holes are formed to remove useless weight; rhenium has the characteristics ofcorrosion resistance and high and low temperature resistance, and is suitable for space environment; and a mother material is a rhenium cake formed by high temperature and high pressure, and good machining property is achieved.

The invention provides a three-way frequency-adjustable dynamic vibration absorber. The three-way frequency-adjustable dynamic vibration absorber comprises a guide rod, a middle nut, an upper nut, a lower spring, an upper spring, a lower fixed mass block, an upper fixed mass block and a plurality of frequency adjusting mass blocks, wherein the lower fixed mass block, the frequency adjusting mass blocks and the upper fixed mass block are installed on the guide rod in a sleeved mode in sequence, and the lower fixed mass block, the frequency adjusting mass blocks and the upper fixed mass block are fixed on the guide rod through pretightening force due to the matching between the middle nut and the lower spring and the matching between the upper nut and the upper spring. According to the three-way frequency-adjustable dynamic vibration absorber, due to the fact that the guide rod, the upper fixed mass block and the lower fixed mass block are assembled together, uniform vibration absorption frequency is achieved in any direction of the guide rod, and then uniform vibration absorption performance in the three directions are guaranteed.

The invention discloses a looseness-preventing and seizure-preventing sleeve thread connecting method and an assembly; the assembly comprises a bolt and nut connecting assembly; the method comprises the following steps: firstly forming 2-8 conical notches at one end of the nut, conducting radial extruding on the nut of the end, provided with the conical notches in order to enable the nut to shrink, namely a section of conical hole thread with gradually reducing diameter is formed in the internal thread of one end of the nut, the nut has the looseness-preventing function when being connected with the bolt by using the conical hole thread; and meanwhile, firstly plating a layer of zinc-nickel alloy layer on the surface of the thread of the nut, and then dip-coating a layer of molybdenum disulfide layer, in this way, the nut has high-corrosion-resistance and seizure-preventing functions when being connected with the bolt. The method and the assembly not only have the advantages of being capable of effectively preventing a fastener from the phenomenon of seizure, rotation, rusting and breaking during use, but also have the following advantages that the structure is simple, the manufacturing cost is low, the weight is light, the service is safe and reliable, the assembly is convenient and fast to disassemble and maintain, etc.

The invention discloses a fastening support rod. The fastening support rod comprises a support rod body. One end of the support rod body is narrowed and is provided with an insertion-connection part which is capable of penetrating through a first connection part and is locked with a base part. The insertion-connection part is provided with a limiting step face matched with the first connection part. The other end of the support rod body protrudes towards the outer side and is provided with a support part which is capable of supporting a second connection part and makes contact with the second connection part closely. The end face of the support part locking structure closely connected with the second connection part. The limiting step face is provided with a resilient cone anti-loose structure. The fastening support rod is reasonable in structure design, firm in connection, not liable to loose, safe and reliable, labor intensity is relieved, and work efficiency is improved.

The invention discloses a threaded connection device with an anti-loosening function, and relates to the technical field of fastening devices. The threaded connection device comprises a lock nut body,a dish-shaped nut and a bolt, and the lock nut body and the dish-shaped nut are both provided with threaded holes matched with the bolt; and a limiting groove is formed in one end face of the lock nut body, the outer side of the dish-shaped nut is polygonal, a plurality of extendable grooves are formed in the outer side of the dish-shaped nut, and a plurality of extendable grooves are formed in an inner hole of the dish-shaped nut. According to the threaded connection device, the nut can be effectively prevented from loosening under the action of impact, vibration and variable load, and the safety is enhanced.

The invention provides a shifting fork structure capable of being steplessly adjusted and connected. The shifting fork structure comprises a shifting fork shaft, a shifting fork head, a shifting fork foot and a shifting fork, wherein the shifting fork head and the shifting fork foot are arranged at the two ends of the shifting fork shaft respectively; two wedge openings are formed in the side face of the shifting fork shaft, two inclined locking screws are arranged on the shifting fork in an inverted splayed mode, and the ends of the two locking screws abut against the interiors of the two wedge openings respectively. The included angle of the inner end of the wedge opening is 90 degrees or larger than 90 degrees or smaller than 90 degrees. According to the shifting fork structure capable of being steplessly adjusted and connected, through the shifting fork capable of being steplessly adjusted and connected and the shifting fork shaft device, the shifting fork can be adjusted in place at a time according to the positions of the shifting fork and the synchronizer, the shifting fork is stressed in different directions according to the principle, and the anti-loosening and locking effects are achieved.