104results about How to "Realize anti-loosening" patented technology

The invention discloses an anti-loosening mechanism for installing a robot. The anti-loosening mechanism comprises a bolt bar and a fastening nut. A section is axially formed on the bolt bar, a left-hand threaded rod is integrally formed at the top end of the bolt bar, the bolt bar is sleeved with a gasket, a through hole matched with the bolt bar is formed in the gasket, the fastening nut is connected to the side, corresponding to the gasket, of the bolt bar in a threaded mode, a first threaded hole is formed in the middle of the fastening nut, an arc groove is formed in the part, corresponding to the periphery of the first threaded hole, on the fastening nut, a limiting nut is connected to the side, corresponding to the fastening nut, of the outer side wall of the left-hand threaded rodin a threaded mode, a second threaded hole is formed in the middle of the limiting nut, fixing holes are formed in the part, corresponding to the periphery of the second threaded hole, of the limitingnut, and fixing mechanisms are connected to the position, corresponding to the arc groove, in the fixing holes in an inserted mode. Compared with a traditional bolt, the anti-loosening mechanism is not likely to loosen, the loosening dropping phenomenon can be avoided, and safety accidents can be avoided; and meanwhile, disassembling is convenient, the anti-loosening mechanism can be used again,and waste can be avoided.

The invention discloses a two-degree-of-freedom motion mechanism suitable for 10kv power distribution operation. The two-degree-of-freedom motion mechanism comprises an inner casing, a clamping mechanism, a driving mechanism, a rotating mechanism, an outer casing and a stopping mechanism. The clamping mechanism is arranged in the inner casing and comprises more than two inner rollers 1 and a pressing assembly. The inner rollers 1 are rotatably mounted on the inner wall of the inner casing. The pressing assembly is disposed above the inner rollers 1. The pressing assembly and the inner rollers1 clamp or loosen a cable in cooperation. The driving mechanism is disposed in the inner casing and drives the inner rollers 1 to rotate. The rotating mechanism is disposed on the outer wall of the inner casing. The rotating mechanism drives the outer casing to rotate around the inner casing. The stopping mechanism is disposed between the inner casing and the outer casing and is configured to restrict axial movement between the inner casing and the outer casing, and to support the outer casing to rotate around the outer casing. The two-degree-of-freedom motion mechanism suitable for 10kv powerdistribution operation has high flexibility, can facilitate the comprehensive cable detection by a detection device, and can also adapt to a variety of working environments.

The invention relates to an intelligent lock gasket based on a force-induced color change coating. Safety and reliability of bolt connection are guaranteed. The intelligent lock gasket is composed ofthe force-induced color change coating and a lock gasket body. The force-induced color change coating is arranged at the top end of the gasket body. According to the intelligent lock gasket, safety and reliability of gasket connecting can be achieved, the structural weight is low, and demounting and mounting are convenient; and maintainability is good, and the accident caused by gasket loosening and breakage to key structure connection can be effectively avoided.

The invention discloses a worm self-locking anti-loose type overload protective clamp, and belongs to the field of clamps. The worm self-locking anti-loose type overload protective clamp comprises a clamp base, a left fixing block, a left screw, a left clamping block, a right clamping block, a right screw and a right fixing block, a dovetail groove is formed in the clamp base, and the left fixing block and the right fixing block are arranged at the two ends of the dovetail groove. The worm self-locking anti-loose type overload protective clamp further comprises a safe engaging and disengaging mechanism, a fixed base, an adjusting rod, an outer ring, a screw, a spring, a steel ball, a square shank and worm self-locking anti-loose devices, both the adjusting rod and the left screw are provided with the worm self-locking anti-loose devices, the adjusting rod is assembled in a threaded hole of the fixed base, the square shank is connected with the adjusting rod, the screw is assembled in a threaded hole of the outer ring, the steel ball is pressed on the surface of the square shank, and the spring is arranged between the screw and the steel ball. The worm self-locking anti-loose type overload protective clamp solves the problems that an existing clamp is not easy to control in clamping force and prone to loosening, and has the advantages of being simple in structure, reasonable in design and easy to manufacture.

The invention relates to the technical field of electromagnetic track brakes of track vehicles and discloses a suspension device for an electromagnetic track brake of a track traffic vehicle. An upper spring base and a lower spring base are arranged on a suspension screw sleeve; a suspension spring is mounted between the upper spring base and the lower spring base; a threaded hole in the middle of the suspension screw sleeve is matched with the upper end of an adjusting screw; a lower boss is arranged at the lower end of the adjusting screw; a suspension tray is movably arranged on the lower boss; a through hole is formed in the middle of the adjusting screw; the upper end of the through hole takes the shape of a horn mouth; a locking bolt is arranged in the through hole; the upper end of the locking bolt penetrates through the horn mouth; the upper end of the locking bolt is connected with a locking wedge through threads; the locking wedge is matched with the horn mouth; a flange surface of the lower spring base, a shaft shoulder of the suspension screw sleeve and the vehicle are fixedly mounted; the suspension tray and the brake are fixedly mounted. An existing lead screw nut structure is replaced, the structure is compact, and the overall length is greatly reduced.

A lock nut comprises an outer nut and an inner nut. A first internal thread is formed inside the inner nut. An external thread is formed in the lower end of the outer wall of the inner nut. A second internal thread is formed in the middle inside the outer nut. A third internal thread is formed in the bottom end inside the outer nut. The inner nut is installed inside the outer nut. The external thread and the second internal thread are consistent in screwing direction. The external thread and the first internal thread are opposite in screwing direction. The external thread and the third internal thread are opposite in screwing direction. The distance between a first plane at the bottom of the inner nut and a second plane below the second internal thread inside the outer nut is not smaller than the one-fold screw pitch. The lock nut has the beneficial effects that a bolt cannot loosen after the bolt is screwed down by hand and the left-hand and right-hand threads are meshed, and the anti-looseness effect is good; the structure is simple, looseness prevention can be achieved by easy nut and bolt fastening; installation is convenient; the optional bolt range is wide; when the bolt is screwed down, the bottom face of the head of the bolt and the top face of the inner nut are not in contact, and therefore the needed pretightening force is much smaller than that in the prior art.

The invention discloses an anti-disengagement clamp with a self-locking type worm, and belongs to the field of clamps. The anti-disengagement clamp with the self-locking type worm comprises a clamp base, a screw, a movable block and a clamping block, wherein the upper end of the clamp base is pressed on the concave edge at the lower end of the movable block, the lower end of the clamping block is pressed on the concave edge at the upper end of the movable block, and the screw is meshed with the movable block. The anti-disengagement clamp with the self-locking type worm further comprises a worm wheel and the worm, the worm wheel is assembled on the screw through a key, and the worm is assembled on the clamp base through a rolling bearing and is meshed with the worm wheel. The anti-disengagement clamp with the self-locking type worm solves the problems that an existing clamp is unreliable in clamping and holding and loosens easily, and has the advantages of being simple in structure, reasonable in design and easy to manufacture.

The invention discloses a sensor convenient to maintain. The sensor comprises a sensor accommodating box, wherein the bottom of the sensor accommodating box is fixedly connected with a chucking mechanism; a base is connected below the chucking mechanism in a buckling way; a clamping mechanism is connected in the base in a sliding way; and one side of the base is detachably connected with a baffleplate. According to the sensor convenient to maintain, the sensor accommodating box is fixed rapidly through the chucking mechanism, and is clamped through the clamping mechanism, so that the operation is simple and feasible, and the disassembly and maintenance are convenient.

The invention discloses an anti-falling screw, which belongs to the field of fasteners. The structure includes a screw head and a screw rod. The screw head is a circular cylinder with a layer of wear-resistant coating sprayed on the surface. The structure overlaps a word groove and a cross groove, and the groove is provided with a magnet adsorption film and a wear-resistant layer, and a wing-shaped protective edge is provided around the screw head cylinder; the surface of the screw rod forms an external thread The outer surface of the upper part of the screw rod near the screw head is provided with an elastic ring. The invention solves the problems of inconvenient use of ordinary screws, wear of the groove after repeated use, and easy falling off, which causes the screw to rust and harm the human body.

The invention discloses a locknut. The locknut simple in structure and reliable in mounting is provided aiming at the problems that in the prior art, large torque is needed for loosening preventing of double nuts, and operation is inconvenient. The locknut comprises a nut body. An inner annular groove is formed in the thread face of the nut body. An outer annular groove is formed in the outer side wall of the nut body. The diameter of the bottom face of the inner annular groove is larger than the diameter of the bottom face of the outer annular groove. The inner annular groove and the outer annular groove are formed in a spaced mode in the axial direction. Medium spacing between the outer annular groove and the inner annular groove is a deformed section. The two sides of the inner annular groove are a front thread section and a rear thread section correspondingly. An anti-loosening hole is formed in the front end face of the nut body and penetrates through the inner annular groove and the outer annular groove. By deforming of the deformed section between the outer annular groove and the inner annular groove, threads of the front thread section and the rear thread section of the nut body cling to the front and rear sides of a screw thread; and a matching section and an anti-loosening section are made integrally, relative rotating does not occur, and therefore, the anti-loosening effect is reliable.

The invention discloses a pressure-controllable worm self-locking type anti-loosing fixture, and belongs to the field of fixtures. The pressure-controllable worm self-locking type anti-loosing fixture comprises a fixture base, a screw rod, a moving block, and a clamping block. The upper end of the fixture base is pressed on an emargination of the lower end of the moving block, and the lower end of the clamping block is pressed on an emargination of the upper end of the moving block. The screw rod is meshed with the moving block. The pressure-controllable worm self-locking type anti-loosing fixture further comprises a worm wheel, a worm, and a dial, wherein the worm wheel are assembled on the screw rod through a key, the worm is assembled on the fixture base through a rolling bearing and meshed with the worm wheel, the dial is fixed to the worm. The pressure-controllable worm self-locking type anti-loosing fixture solves the problems that in an existing fixture, the fixture is not reliably clamped, clamping force is not easy to control, looseness is prone to occurring, and has the advantages of being simple in structure, reasonable in design and easy to manufacture.

The invention provides a universal check bolt and an assembly and installation method thereof, and belongs to the field of bolts. According to the universal check bolt and the assembly and installation method thereof, the problem that a conventional check bolt cannot fix a normal connecting piece is solved. The universal check bolt comprises a screw rod, a bolt head and a reset spring, wherein threads are arranged on the periphery of the screw rod; a movable cavity is formed in the screw rod; a movable rod is arranged in the movable cavity; a plurality of anti-loosening holes are formed in thescrew rod; an anti-loosening sheet is adaptively arranged in each anti-loosening hole; a driven telescopic mechanism is arranged between the inner side edges of the anti-loosening sheets and the movable rod; a rubber strip is fixed on the outer side edge of each anti-loosening sheet; sawteeth are arranged on the rubber strips; a plurality of adjusting holes are formed in the bolt head; an adjusting rod is arranged in each adjusting hole; a driving telescopic mechanism is arranged between the inner ends of the adjusting rods and the movable rod; the outer end of each adjusting rod is a spherical adjusting head; the reset spring is positioned in the movable cavity; and the two ends of the reset spring abut against the top end of the movable cavity and the top end of the movable rod. By means of the universal check bolt, a traditional bolt can be directly replace, so that the universality is better; and the universal check bolt is prevented from being completely locked, later disassemblyand maintenance are facilitated, and the universal check bolt is easy and convenient to assemble and disassemble.

The invention provides a cam loosening preventing mechanism applied to an underwater hoop connector. The cam loosening preventing mechanism comprises an upper fixing support, a lower fixing support, acam, a loosening preventing ROV bottom plate, an ROV wrench support and an ROV wrench, wherein the upper fixing support and the lower fixing support are arranged on a connector housing plate; the camis positioned between the upper fixing support and the lower fixing support; the loosening preventing ROV bottom plate is arranged above the upper fixing support; the ROV wrench support is arranged on the loosening preventing ROV bottom plate; the ROV wrench is arranged in the ROV wrench support; a middle shaft is arranged at the upper end of the cam and penetrates through the upper fixing support to be connected with the ROV wrench; two annular hole grooves are formed in the cam; loosening preventing pins are arranged in the annular hole grooves; pin holes are formed in the connector housingplate, and the tails of the loosening preventing pins are inserted into the pin holes; two double-end studs are further arranged between the upper fixing support and the lower fixing support; and twobosses with arc-shaped grooves are arranged on the side face of the cam. According to the cam loosening preventing mechanism, dual loosening preventing is achieved, the reliability of a project is guaranteed, and the quality of the project is improved.

The invention provides a high-precision ovarian epithelial malignant tumor detection mechanism, relates to the technical field of medical apparatuses and instruments, and solves the problem that a connecting cable on an existing device is easy to loosen and cannot automatically prevent a plug from loosening when the connecting cable is inserted into the body of a patient and a cover plate is opened through structural improvement. The ovarian epithelial malignant tumor detection mechanism comprises a detection mechanism terminal, the detection mechanism terminal is fixed on the workbench, the detection mechanism terminal is connected with a handle through a connecting cable, and an auxiliary part is mounted on the handle. The diameter of the cleaning block B is smaller than the diameters of the seat body and the mounting seat, and the seat body and the mounting seat jointly form a protection structure of the cleaning block B, so that the cleaning block B is not in contact with the workbench when the seat body and the mounting seat are in contact with the workbench during placement, and the cleaning block B is prevented from being contaminated by dust.

The invention relates to a radar structure with a multi-cavity coupling sealing heat dissipation air duct and a universal pitching support frame. Two independent air ducts are adopted, and the independent air duct I independently completes heat dissipation of a signal part, a microwave module and a wave control power supply which are low in heat consumption; and the independent air duct II independently finishes heat dissipation of the TR assembly with high heat consumption and high heat density. Due to the fact that the radar needs to have usability of frequently disassembling a rear plate, the independent air duct II needs to adopt a structural form that a unique thread pre-tightening force is matched with a sealing rope to conduct double-face pressing to solve a problem of multilayer sealing caused by a detachable multi-cavity coupling air duct. Subsystems in a radar case are attached to outer surfaces of the sealed air ducts I and II through heat conduction gaskets, heat is transmitted to the heat dissipation fins on the inner surfaces of the air ducts I and II in a heat conduction mode with low heat resistance, and heat is taken away through convection of a draught fan. Problems of integrated design and heat dissipation of each extension set of the radar in a high-heat-density environment are solved.

The invention discloses a locking positioning structure. A bolt and a nut are included. The bolt comprises a stud and a screw cap. A locking structure is further arranged between the nut and the screwcap and comprises a cushion plate. The center of the cushion plate is provided with a circular hole with the diameter equal to the diameter of the stud. The inner ring of the cushion plate is evenlyprovided with at least three grooves. The side wall of the stud is provided with one vertical clamp groove. A positioning protrusion clamped into the vertical clamp groove is integrally formed on theinner ring of the cushion plate. V-shaped abutting blocks are further arranged. The corner positions of the V-shaped abutting blocks are connected in the grooves through pin shafts. Buckle grooves areevenly formed in the outer surface of the nut. Buckle protrusions are fixed to the top ends of the V-shaped abutting blocks. Abutting columns are fixed to the bottom ends of the V-shaped abutting blocks. The locking positioning structure is reasonable in structure arrangement, nut loosening preventing can be effectively achieved, the abutting columns can firmly abut against the top face of a to-be-locked piece, normal overhauling and maintaining of the nut cannot be influenced, locking stability is guaranteed, and applicability and practicability are high.