46results about How to "Achieve anti-loosening effect" patented technology

The invention discloses a hoop as well as a manufacturing method and a use method thereof. The hoop comprises a clamping belt, wherein the clamping belt is bent and formed into a hoop body with a sleeving area; the hoop body forms a superposed part; the superposed part comprises an outer-side belt body and an inner-side belt body; and the sleeving area is elliptical. The manufacturing method thereof comprises the following steps: producing a clamping belt at first, and then directly bending and forming the clamping belt into a hoop body with an elliptical sleeving area. The use method thereof comprises the following steps: directly bending and forming a clamping belt into a hoop body with a sleeving area; carrying out pre-forming treatment on the sleeving area and enabling the sleeving area to be elliptical; sleeving a pipe fitting with the hoop body, and enabling the hoop body to form abutting connection with the pipe fitting at a short shaft corresponding to the sleeving area; and further shrinking and clamping the hoop through a hoop clamping tool. The invention aims at providing a hoop; and the hoop has the advantages of being convenient to install, and capable of being effectively pre-fixed on the pipe fitting.

The invention discloses a clamp and a method for manufacturing and using the clamp. A clamp includes a clamping belt, and the clamping belt is crimped and formed into a clamp body with a sheathing area. The clamp The main body forms an overlapping portion, the overlapping portion includes an outer belt body and an inner belt body, and the sleeve area is elliptical. The manufacturing method first produces a clamping belt, and then directly curls the clamping belt into an elliptical sleeve. Clamp body with setting area; its use method is to directly curl the clamping band into a clamp body with a sleeve area; preform the sleeve area to make it elliptical; set the clamp body on the pipe fitting , so that the clamp body forms a conflicting connection with the pipe fitting at the short axis of the corresponding sleeve area; the clamp is further contracted and clamped by the clamp clamping tool. The object of the present invention is to provide a clamp, which has the advantages of being easy to install and can be effectively pre-fixed on the pipe fitting.

The invention provides a force sensor type harmonic reducer, in particular to a double-flexible-gear force sensor type harmonic reducer. The force sensor type harmonic reducer comprises a strong flexible gear, a weak flexible gear, a wave generator and at least one strain gauges. The strong flexible gear and the weak flexible gear are coaxially and axially fixed and radially fixed. The strong flexible gear and the weak flexible gear are provided with teeth engaged mutually. The strong flexible gear and the weak flexible gear have the tooth number difference. The wave generator makes the weak flexible gear have non-round elastic deformation and be engaged with part of the strong flexible gear. The portion where the strong flexible gear makes contact with the weak flexible gear bears radialpressure of the weak flexible gear to generate non-round elastic deformation. The strain gauges are attached to the tubular thin wall of the strong flexible gear. The strain gauges have correspondingdeformation along with deformation of the strong flexible gear.

A mechanical press crankshaft connection rod fastening device is used for connecting a connection rod cover with a connection rod body, the connection rod cover is internally provided with an unthreaded hole, and the connection rod body is internally provided with internal threaded holes. The mechanical press crankshaft connection rod fastening device comprises a plurality of threaded connection rods which are connected between the connection rod body and the connection rod cover and arranged at intervals, and nuts which are arranged on threaded connection rod bodies in a sleeving mode; the threaded connection rods are internally provided with heating channels, the positions, perpendicular to the internal threaded holes, of the interiors of the threaded connection rod bodies are provided with locking channels and cylindrical pins in the heating channels, and the positions corresponding to the ends, provided with the heating channels, of the threaded connection rods are provided with stretching devices; the interior of the fastening device heats the threaded connection rods through the heating channels, through coaction of the metal thermal expansion and cold shrinkage principle andthe mechanical stretching prestress deformation technique, the fastening device cooperates with locking key plates and the cylindrical pins, thus, the connection rod cover and the nuts are fastened through the locking key plates, loosening of the connection rod cover and the nuts is prevented, the pretightening force between the connection rod cover and the connection rod body is increased, and the fastening effect is improved.

The invention discloses a petrochemical anti-loosening nut. The petrochemical anti-loosening nut comprises a first locking nut, a driving nut and a second locking nut, wherein the driving nut comprises a first pressure returning part, a first driving hexagonal part, a second driving hexagonal part, a third driving hexagonal part, a second pressure returning part and a driving straight slot; the first locking nut comprises a first locking hexagonal part and a first tightening part; the second locking nut comprises a second locking hexagonal part and a second tightening part; the driving nut, the two locking nuts and the bolt are tightly fixed together through a transverse tightening force between the two tightening parts and a transverse pressure returning force between the two pressure returning parts; and an anti-loosening effect is further achieved through a thread which drives the hexagonal part to deform. The petrochemical anti-loosening nut is simple in integral structure, good inanti-loosening effect and great in strength.

The invention discloses a quick limiting locking structure. The quick limiting locking structure comprises a base, a dovetail seat, a limiting shaft and a handle, a groove opening is formed in the upper part of the base, the dovetail seat is arranged above the base and slidably connected with the base, the tail of the dovetail seat is provided with a longitudinal groove, one side of the tail of the dovetail seat is provided with a cylindrical part, the end face of the cylindrical part is provided with a spiral face, a limiting shaft is arranged at the tail of the dovetail seat in a sleeving mode, one end of the limiting shaft is in threaded connection with a handle, one side of the limiting shaft is provided with a notch, a boss is arranged on one side of the handle, the boss is matched with the spiral face of the dovetail seat, a lock pin is arranged on the handle in the radial direction and used for stopping rotation when the handle and the limiting shaft are connected, in a naturalstate, the handle is in a vertical state, the boss of the handle is located at the lowest position of the spiral face, the cylindrical face of the limiting shaft is separated from the groove opening of the base, the dovetail seat can be slidably separated from the base, when limiting locking is needed, the handle is rotated, the boss of the handle climbs from the low position of the spiral face tothe high position of the spiral face to lock the dovetail seat and the base, after the handle is rotated by 90 degrees, the boss of the handle is separated from the spiral face, and at the moment, the cylindrical face of the limiting shaft is superimposed with the groove opening of the base to limit sliding of the dovetail seat and the base.

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 ball head pin locking device, which comprises a ball head seat, a lower ball bowl, a ball head pin, an upper ball bowl, a ball bowl pressing cover, a locking gasket, a bow-shaped gasket and a locking bolt. The upper ball bowl and the lower ball bowl are arranged in the ball head seat. The upper ball bowl and the lower ball bowl are locked to clamp the ball head part of the ball head pin. The ball bowl pressing cover forms a pressing connection on the upper ball bowl. The periphery surface of the ball bowl pressing cover is provided with outer threads, and form a thread connection with a thread hole arranged in the ball head seat. The upper surface of the ball bowl pressing cover is provided with a boss, wherein the boss is inserted into the inner opening of the locking gasket, and sequentially penetrates through the bow-shaped gasket and the locking gasket through the locking bolt to fix the bow-shaped gasket and the locking gasket on the top surface of the ball head seat. According to the present invention, the ball head pin locking device has advantages of high reliability, good locking effect, convenient use and regulation, and the like; when the locking amount is adjusted, the adjustment of any rotation angles of the ball bowl pressing cover can be achieved without unscrewing of the locking bolt so as to conveniently adjust the locking amount.

The invention provides a stable lock bolt, and belongs to the field of mechanical fasteners. The stable lock bolt solves the problem that an existing bolt is poor in loosening preventing effect. The stable lock bolt comprises a bolt head and a bolt rod, wherein the bolt head is in a round head shape, and a pressing hole is formed in the bolt head and the bolt rod. A pressing rod penetrating through the pressing hole is further included. An adjusting cap is further included and comprises an adjusting plate fixed to the top end of the pressing rod and an adjusting sleeve fixed to the outer edgeof the adjusting plate, wherein the adjusting sleeve sleeves the bolt head, and a pressing block is fixed to the bottom end of the pressing rod. An expansion gasket sleeving the pressing rod is further included. The hole wall of the pressing hole is provided with a limiting groove. The rod wall of the pressing rod is provided with a limiting block which is located in the limiting groove in a sliding manner. The distance between the middle portion of the limiting groove and the top end of the pressing hole is smaller than the distance between the two ends of the limiting groove and the bottom end of the pressing hole, the distance between the front end of the limiting groove and the top end of the pressing hole is larger than the distance between the rear end of the limiting groove and thetop end of the pressing hole, smooth transition is achieved from the middle portion of the limiting groove to the two ends of the limiting groove, and an elastic reset mechanism is arranged between the pressing rod and the bolt rod. The bolt is better in loosening preventing effect.

The invention discloses a connecting structure of a lock catch plate surface and a plate lock catch. The connecting structure comprises a main groove, a main tenon, an auxiliary tenon and an auxiliary groove, wherein the main groove is formed in a first plate body, and the main tenon is arranged on a second plate body; the auxiliary tenon is arranged on the first plate body, an elastic seam is formed in the auxiliary tenon, and the auxiliary tenon is divided into a first elastic tongue part and a second elastic tongue part by the elastic seam; and the auxiliary groove is formed in the second plate body, a first barrier structure is arranged on the first side groove surface of the auxiliary groove and the first elastic tongue part, and a second barrier structure is arranged on the second side groove surface of the auxiliary groove and the second elastic tongue part, wherein the first elastic tongue part and the second elastic tongue part of the auxiliary tenon are correspondingly extruded into the auxiliary groove when the main tenon enters the main groove. According to the connecting structure, the anti-loosening effect of the main tenon is achieved, and meanwhile the floor paving experience of decoration personnel is obviously improved while the butt joint in-place indication sound and the butt joint in-place hand feeling are generated.

The invention discloses a buckling connection structure between a locking board surface and a board. The connecting structure includes a main groove arranged on a first board body and a main tenon arranged on a second board body, and also includes: The auxiliary tenon provided on the first plate body is provided with an elastic seam, and the elastic seam separates the auxiliary tenon into a first elastic tongue part and a second elastic tongue part; and an auxiliary tenon arranged on the second plate body The groove has a first obstacle structure on its first side groove surface and the first elastic tongue, and a second obstacle structure on its second side groove surface and the second elastic tongue, wherein the auxiliary tenon The first elastic tongue and the second elastic tongue are squeezed into the auxiliary groove when the main tenon enters the main groove. The invention realizes the anti-loosening effect of the main tenon, and at the same time, it produces a butt-in-position indicating sound and a docking-in-position feel, which obviously improves the floor paving experience of the decorator.

The invention discloses a password anti-loosening fastener, and belongs to the technical field of fasteners. A loosening, anti-loosening and password combination device is arranged on the fastener. The fastener is a stud or a bolt or a nut or a screw, and a loosening device, an anti-loosening device and a password device are jointly arranged on the stud or the bolt or the nut or the screw. The loosening, anti-loosening and password combination device on the nut comprises a clamping groove, a clamping piece, password discs, a chuck bin and a clamping pin, wherein the clamping groove, password holes in the password discs and the clamping pin jointly form the nut loosening device, the clamping groove and the clamping piece jointly form the anti-loosening device, and the password discs and the chuck bin jointly form the password device. The password anti-loosening fastener has the advantages that the fastener can achieve the anti-loosening effect and the effect that the fastener can be loosened only through a password, and the fastener can be effectively prevented from being unlocked illegally.

The invention provides a rail clamping device. The rail clamping device comprises a bearing assembly, wherein the bearing assembly comprises a bearing piece, a mounting piece, a jacking piece and a locking piece; the bearing piece is arranged at the bottom of a steel rail; a clamping part and a first mounting part are arranged on the bearing piece; the clamping part is arranged between the steel rail and the first mounting part and is clamped on one side of the steel rail; the mounting piece is connected with the bearing piece in an included angle manner; a second mounting part is arranged onthe mounting piece; one end part of the jacking piece is in contact with the other side of the steel rail; the other end part of the jacking piece is embedded into the second mounting part; and the locking piece is arranged on the jacking piece in a sleeving manner and is in contact with one side of the mounting piece. The rail clamping device provided by the invention is simple in structure; therail clamping device is fixed with the steel rail, so that related equipment including a mutual inductance coil, a sensor and the like is mounted; the mounting cost and the maintenance cost are low and the rail clamping device is applicable to a large number of application occasions.

The invention relates to the technical field of assembly of automobile parts, in particular to a grooving pressure clamp for a locking nut of a main speed reducer. The grooving pressure clamp comprises a pressing clamp fixing base and a positioning rod fixing base arranged on the pressing clamp fixing base; the two ends of the pressing clamp fixing base are oppositely equipped with a fixed pressure clamp and an oil cylinder; a piston rod end of the oil cylinder perpendicularly points to the fixed pressure clamp; a slide pressing clamp is fixedly arranged on the piston rod; the slide pressing clamp and the fixed pressing clamp are oppositely arranged, and the bottom end of the slide pressing clamp and the bottom end of the fixed pressing clamp are positioned on the same horizontal line; the bottom end of the slide pressing clamp is equipped with a blunt knife edge type pressure head; and a bump type pressure head is arranged at the bottom end of the fixed pressing clamp. The grooving pressure clamp can replace a conventional manual locking mode, so that grooving and pressing consistency and reliability of the locking nut of the main speed reducer are guaranteed, anti-loosening effect is realized better, and the automatic production development direction is met better.

The present invention provides a rail clamp, which includes a bearing assembly, and the bearing assembly includes: a bearing member, the bearing member is arranged at the bottom of the rail, and the bearing member is provided with a locking part and a first installation part. The joint part is arranged between the rail and the first mounting part, and is engaged on one side of the rail; the mounting part, the mounting part is connected to the bearing part at an angle, and the mounting part There is a second installation part on the top; a tightening part, one end of the tightening part is in contact with the other side of the rail, and the other end of the tightening part is embedded in the second installation part; locking part, the locking part is sleeved on the pressing part and is in contact with one side of the mounting part. The rail clamp provided by the present invention has a simple structure, realizes the fixing of the rail clamp and the rail, thereby realizes the installation of mutual induction coils, sensors and other related equipment, has low installation and maintenance costs, and is suitable for a large number of applications.

The invention discloses a flange nut for a building support, which comprises a nut body, a flange plate, a threaded through hole, a clamping block installation groove, a clamping block, an inclined plane, a locking groove and a limiting plate. Compared with the prior art , the present invention has simple structure and reasonable design, can improve the connection stability and reliability of flange nuts, prevent nuts from loosening during service, and ensure the structural stability and reliability of building supports.

The invention discloses a novel mechanical locking nut connection locking structure. The mechanical locking nut connection locking structure comprises a nut, a screw rod and a small screw. A thread hole is formed in the center of the nut; an internal thread is arranged in the thread hole; an annular nut body is arranged on the outer side of the thread hole of the nut; multiple through holes are annularly distributed on the nut body; the screw rod is provided with a screw rod body and a screw rod cap; and the screw rod body is columnar, and is provided with an external thread on the outer side.Multiple axial polish holes are formed in the nut; a small thread hole is formed in the shaft shoulder end surface of the screw rod; and the small screw with a spring is provided. When the locking isneeded after tightening of the nut, a front fine cylinder (smaller than the diameters of the polish holes of the nut) of the small screw is screwed out from the polish holes of the nut to prevent thenut from rotating relative to the screw rod so as to achieve the locking effect.

The invention discloses an anti-loosening and anti-vibration screw assembly, which comprises a screw head, a transition section, a stud, an anti-loosening and anti-vibration gasket, a nut and a nut anti-loosening part, the bottom of the screw head is provided with a transition section, and the The bottom of the transition section is provided with a stud, the stud is provided with a nut anti-loosening part, the nut anti-loosening part and the outer side of the stud are provided with an anti-loosening anti-vibration gasket and a nut, and the anti-loosening and anti-vibration gasket It is located between the transition section and the nut. Compared with the prior art, the present invention has a simple structure and a reasonable design. The vibration of the device is effectively absorbed by the first buffer pad and the second buffer pad in the screw assembly, and the vibration is reduced to fasten the screw assembly. The influence of the effect can ensure the stability and reliability of the connection between the connecting parts for a long time.

The invention discloses a locknut and an application method thereof. The locknut comprises a nut body in threaded connection with a threaded shaft, wherein a wedge block groove is formed in one side,close to the threaded shaft, on the nut body; a wedge block is arranged in the wedge block groove; a pressing block groove is formed in one side, directly facing the threaded shaft, on the wedge blockgroove; a pressing block capable of moving along the radial direction of the nut body is arranged in the pressing block groove; one side of the wedge block fits to an external screw thread on the threaded shaft; the other side of the wedge block fits to the pressing block; the horizontal width of the pressing block is larger than the horizontal width of the wedge block; the thickness of one end,close to the unscrewing direction of the nut body, on the wedge block is larger than the thickness of the other end; and a pressing mechanism for driving the pressing block to apply a pressing force on the wedge block is arranged between the nut body and the pressing block. The locknut provided by the invention is good in locking effect; and during application, the locking effect can be achieved only through one nut, and the threaded shaft has no need to be lengthened, so that the space occupation of the threaded shaft on the device is reduced, and the cost is saved.