5323results about "Nuts" patented technology

A threaded fastener for securing a plate to a layered substrate is provided, as well as methods for installing the threaded fastener. An exemplary threaded fastener may include a head, and a shank having a longitudinal axis between a first end and a second end. The shank may be connected to the head at the second end. The shank may have a pointed terminus at the first end. The shank may have a first portion between the first end and a transition region. The first portion may include a first thread having a first thread profile that encircles the first portion. The shank may have a second portion between the transition region and the second end. The transition region may reside between the first portion and the second portion. The second portion may include a second thread having a second thread profile that encircles the second portion.

The invention discloses a double-acting integrated hydraulic nut and a hydraulic nut system. The double-acting integrated hydraulic nut comprises a cylinder body, a piston, a cylinder cover, a locking nut, an outer hexagon head bolt and a locking sleeve. A mounting plane attached to a workpiece is arranged at the bottom of the cylinder body, and the piston is arranged in an inner cavity of the cylinder body in an axial sliding mode. The outer hexagonal head bolt sequentially penetrates through the axial through hole of the piston and the bottom of the cylinder body, and the threaded end of the outer hexagonal head bolt is meshed with a workpiece in a threaded mode. The cylinder cover is arranged at the top of the cylinder body; the locking nut is in threaded connection with the piston rod and is in contact with the top surface of the cylinder cover; a pressurizing oil port connected with a hydraulic pump station is formed in the side wall of the cylinder body. The hexagonal head of the outer hexagonal head bolt is sleeved with the locking sleeve which is in driving connection with the electric wrench. Due to the fact that the bearing seat bolts are compact in layout and large in bolt pre-tightening force requirement, the experiment platform can be rapidly mounted and dismounted, and working time and cost are greatly reduced.

Wet cladding methods are disclosed which allow for construction and concomitant cladding of back-up walls. The end-cladding elements are attached to the wall using undercut anchors which are inserted into holes on the back surface of the end-cladding elements.

A locking-mode-selectable lock bolt and nut device comprises a bolt and a nut, the main fastening nut is arranged on the bolt in a sleeving manner; the fixed locknut is arranged on the bolt in a sleeving manner and is positioned above the main fastening nut; wherein a bolt locking groove is formed in the outer wall of one side of the bolt in the length direction, the section of the bolt locking groove is triangular, an acute angle is formed by two side faces in the bolt locking groove, one side face is arranged in the radial direction of the bolt, and the other side face is an inclined face; mounting through holes are symmetrically formed in two opposite surfaces of the fixed locknut, and a screw hole, a round hole and a square hole are sequentially formed in each mounting through hole from outside to inside; the inner diameter of the round hole is larger than that of the screw hole, and the width of the square hole is smaller than that of the round hole. And the two locking assemblies are respectively inserted into the two mounting through holes of the fixed locknut.

The invention discloses a self-tightening spring (1) which is characterized in that a bolt hook (2) is arranged at one end of a tension spring main body (24) and is linear, and a nut hook (3) is arranged at the other end of the tension spring main body (24) and is an L-shaped inverted-inserting hook. The matched bolt (6) is characterized in that the tail end of a common bolt is provided with a bolt hook hole (4), and the bolt hook hole (4) is a radial through hole into which a bolt hook (2) can be inserted. The nut is characterized in that at least one nut hook hole (5) and a blind hole parallel to the hexagonal side face and the end face of the nut at the same time are formed in the hexagonal side face of a common nut. The invention further discloses an anti-loosening thread pair (25), which is characterized in that the bolt hook (2) is inserted into the bolt hook hole (4), the nut hook (3) is lengthened and inversely inserted into the nut hook hole (5), the tension spring body (24) is screwed around the screw rod (7) to tighten the nut (9) and the bolt (6), energy is continuously compensated, loosening displacement of the thread pair is self-tightened, and the purpose of never loosening is achieved.

The invention discloses nut cold heading forming equipment, and relates to the technical field of nut machining, and the nut cold heading forming equipment comprises a cold heading device. According to the nut cold heading forming equipment, through the design of the cold heading device, nuts are evenly conveyed through the guiding mechanism, the stability in the conveying process is kept, the nuts are clamped and fixed through the positioning mechanism, so that follow-up material taking is facilitated, the six-axis mechanical arm controls the clamp mechanism to clamp the positioned nuts, and the nut cold heading forming efficiency is improved. The six-axis mechanical arm adopts multi-angle rotation, materials are placed on the top of the processing device, nuts are clamped and fixed through the processing device, so that the stability of the materials is kept, the subsequent operation requirements are met, the composite device is matched with the processing device, the nuts are extruded through the composite device, and the processing efficiency is improved. And when a small amount of burrs exist after cold heading punching, the burrs are rubbed through the composite device, so that the follow-up machining difficulty is reduced, and rough machining of the nut is achieved.

The present disclosure provides a tolerance compensation fastening assembly for fastening a second part to a first part by cooperating with a nut element provided on the first part. The tolerance compensation fastening assembly comprises a bolt, a compensation element, a connection element, and a holding means. The compensation element comprises a body and a flange, and the flange is provided at one end of the body and defines a compensation hole in communication with a channel of the body. A bolt head is accommodated in the channel and is blocked by the flange, and a bolt rod passes through the compensation hole. The connection element comprises a connection disc and connection legs, and the flange is located between the bolt head and the connection disc. The connection disc is provided with a connection hole to receive the bolt rod. The connection legs are configured to connect the connection disc to the second part. The holding means is provided on the connection disc and the bolt rod, and is configured to couple the bolt rod to the connection disc to prevent the bolt rod from being withdrawn from the connection hole, thereby holding the bolt, the compensation element and the connection element in a pre-assembled position.

A connector (1) for attaching a cable or pipe to a support structure, the connector (1) including an installation part (2) for fastening to the support structure and a clamping part (3) for supporting the cable or pipe, the installation part (2) including a base (21) substantially perpendicular to the fastening direction (D) and a sidewall (22) extending from a side edge of the base (21) substantially in the fastening direction (D); the installation part (2) further includes an adapter part (20) for receiving the fastening component, and the base (21) is provided with an opening (23); the adapter part (20) is at least partially installed in the opening (23), and when the adapter part (20) is fastened to the support structure, the base (21) is movable relative to the adapter part (20). The connector (1) is fastened to the support structure by the adapter part (20), and the opening (23) in the base (21) enables the base (21) to move within a certain range relative to the fixed adapter part (20), thus making the connector (1) position-adjustable.

The present invention discloses an axial tolerance compensation arrangement 1 for the automatic compensation of tolerances between a first component A and a second component B, which has the following features: a nut element 10, preferably an annular nut element, with a radially outer fastening structure, in particular a bayonet structure, which can be fastened in a component opening 90, in particular a keyhole geometry, of the first component A, and an internal nut thread 22 of a first thread direction, a hollow screw 40 with a head 44 and a hollow cylindrical shank 42, which has on a radial outer side an adjusting thread 52 matching the nut thread 22 and on a radial inner side a fastening thread 56 with a second thread direction opposite to the first, which interacts with a fastening screw 80 of a second thread direction,so that the first component A and the second component B can be fastened to each other via the tolerance compensation arrangement 1, wherein the hollow cylindrical shaft 42 has a disassembly protection 60 at an axial end facing away from the head, which prevents the hollow screw 40 from being unscrewed from the nut element 10 during installation of the tolerance compensation arrangement 1.

The utility model discloses a clamping structure of a wind turbine generator monitoring device, and belongs to the technical field of wind power equipment monitoring. Comprising a wind turbine generator which is fixed to the ground, and further comprises a base, connecting pieces, a clamping box body, connecting holes, connecting plates, elastic clamping rings, reinforcing blocks, a monitoring supporting plate and matching holes, the base is vertically arranged, the connecting pieces are fixed to the two horizontal sides of the base, and a plurality of mounting holes are formed in the connecting pieces; the connecting pieces are fixedly connected with the wind turbine generator by inserting bolt fasteners into the mounting holes, a space exists between the base and the wind turbine generator to form a wire harness channel, and the clamping box body is fixed to the side, away from the wind turbine generator, of the base. After the connecting piece is fixedly connected with the wind turbine generator, the connecting plate is inserted into the clamping cavity, the clamping hole is aligned with the connecting hole to form the connecting channel, then the connecting piece is inserted into the connecting channel, the reinforcing block and the clamping box body can be clamped and fixed, and installation is convenient and fast.

The utility model discloses an anti-loosening double-nut pressing type quick coupler, and relates to the technical field of sealing couplings. Comprising a connector body, and a continuous fifth threaded section is arranged on the outer wall of the connector body; the locknut set comprises a fastening nut and a locking nut, a fixed section is formed at one end of the fastening nut, a continuous first threaded section matched with the fifth threaded section is arranged on the inner wall of the fastening nut and the inner wall of the fixed section, a second threaded section is arranged on the outer diameter of the fixed section, a locking section is formed at one end of the locking nut, and the locking section is matched with the second threaded section. A third threaded section matched with the second threaded section is arranged on the inner wall of the locking section, and a fourth threaded section matched with the fifth threaded section is arranged on the inner wall of the locking nut; the fastening nut and the locking nut are in threaded connection through the second threaded section and the third threaded section, and the locking nut is in threaded connection with the fifth threaded section on the connector body through the fourth threaded section. The fastening nut and the locking nut are fixed in a detachable connection mode.

Disclosed is a fastener assembly for coupling a first component to a second component. The fastener assembly includes a fastener and a stamped-metal retainer. The fastener includes a head and a shank. The stamped-metal retainer includes a body portion, and a pair of retainer legs resiliently coupled to the body portion. The body portion includes a plate with an internally-threaded collar that defines a retainer opening configured to receive and secure at least a portion of the shank. Each of the pair of retainer legs defines a first retention zone between a first angled engagement surface and the plate that is configured to accommodate second components within a first thickness range, and a second retention zone between a second angled engagement surface and the plate that is configured to accommodate second components within a second thickness range. The distance between the first angled engagement surface and the plate is greater than the distance between the second angled engagement surface and the plate.

The utility model provides an anti-impact connecting bolt fastening structure of a high-voltage isolating switch, and relates to the technical field of high-voltage switches, the anti-impact connecting bolt fastening structure comprises a high-voltage isolating switch base and a switch anti-impact bolt connecting assembly, through bolts penetrate through the inner sides of base bolt holes, the lower side of a bolt head rubber mat is provided with a back shore spring, and the back shore spring is connected with the switch anti-impact bolt connecting assembly. A limiting sleeve is connected to the outer side of the jacking spring in a sleeving mode, a nut rubber mat is arranged on the lower side of the limiting sleeve, a connecting nut is arranged on the lower side of the nut rubber mat, a metal locking nut is arranged on the lower side of the connecting nut, and due to the effective buffering effect of a damping rubber mat, damage of vibration to the base is remarkably reduced, and the service life of equipment is prolonged; and through rotation of the penetrating bolt, rapid mounting and dismounting can be achieved, firm and reliable connection is ensured, and through adjustment of the fastening strength of the penetrating bolt, impact loads under different working conditions can be flexibly coped with, and stable operation of equipment is ensured.

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle, an outer rim surrounding the inner rim. A rigid cover ring may be coupled to the outer rim and extend radially inward toward the inner rim. Gas springs may be operatively coupled between the inner and outer rims to provide a gas suspension for relative movement between the inner and outer rims. Fastener assemblies fasten the rigid cover ring to the outer rim, fastening each gas spring to the outer rim, or fastening each gas spring to the outer rim. Each fastener assembly may include a fastener and a pair of indicator-lock washers carried by the fastener. Each indicator-lock washer may have respective sloped surfaces slidably engaging one another to permit relative rotation so that loosening from a fully tightened position exposes a gap.

The invention discloses a temperature measurement method and a temperature measurement nut, and belongs to the technical field of equipment temperature measurement. According to the method, the dynamic thermal radiation interference coefficient calculation model is constructed through the historical temperature measurement data and the equipment operation parameters, so that the dynamic acquisition of the dynamic thermal radiation interference coefficient can be realized based on the real-time temperature measurement data, and the real-time temperature measurement data is corrected to obtain the corrected temperature measurement data; performing spectral analysis on the real-time temperature measurement data to determine a thermal radiation change frequency correction coefficient, constructing a temperature response function based on the real-time temperature measurement data, and further determining a thermal response time constant based on the temperature response function; and then thermal inertia lag compensation processing is carried out on the corrected temperature measurement data through a thermal radiation change frequency correction coefficient, a thermal response time constant and equipment operation parameters to obtain actual temperature data of the to-be-measured equipment, so that the problem of inaccurate temperature measurement in a high-temperature environment in the prior art can be solved. And the accuracy of temperature measurement in a high-temperature environment is improved.

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle, an outer rim surrounding the inner rim, and gas springs operatively coupled between the inner and outer rims to provide a gas suspension for relative movement between the inner and outer rims. The wheel assembly may also include tread assemblies carried by the outer rim. Fastener assemblies may be configured to perform fastening at least one tread assembly to the outer rim, fastening each gas spring to the outer rim, or fastening each gas spring to the outer rim. Each fastener assembly may include a fastener, and a pair of indicator-lock washers carried by the fastener. Each indicator-lock washer may have respective sloped surfaces slidably engaging one another to permit relative rotation so that loosening from a fully tightened position exposes a gap therebetween.

A friction spacer adapted to be interposed between two mechanical components in order to transfer a force between the two mechanical components, the friction spacer including a flat part having two opposite surfaces defining a thickness, and a plurality of protuberances projecting from at least one of the surfaces, the protuberances of the plurality of protuberances extending from the at least one of the opposite surfaces by a determined average height. The flat part and the protuberances are produced from the same metal material, and the same metal material continuously extends between the flat part and the protuberances.

Provided are a mounting member with an RFID tag comprising an RFID tag, the RFID communication sensitivity of which is improved, and a manufacturing method of the mounting member with an RFID tag. The mounting member with an RFID tag comprises a shaft shape unit 1-1, an RFID tag 1-3, a boost antenna 1-4, and a head unit 1-2. The shaft shape unit 1-1includes a shaft shape insert unit 1-11, and a base unit 1-12 formed by protruding one end part of the insert unit 1-11 in a width direction. The RFID tag 1-3 transmits and receives radio waves. The boost antenna 1-4 boosts the radio waves transmitted and received by the RFID tag 1-3. The head unit 1-2 molds at least a surface side of the base unit 1-12 in order to encapsulate the RFID tag 1-3 and the boost antenna 1-4.

A mounting system includes a mounting device. The mounting device includes an internal cavity defined in a side of the mounting device, a first sealant aperture defined in the mounting device and opening into the internal cavity, a second sealant aperture defined in the mounting device and opening into the internal cavity, the first sealant aperture and the second sealant aperture being in fluid communication when the mounting device is placed on a surface for use, and a fastener aperture defined through the internal cavity. The mounting system further includes a coupling bracket including a bottom portion, an underside surface of which is correspondingly shaped in conformance with a shape of an outer surface of a central portion of the mounting device so as to be accommodated thereon when in use, and a fastener to couple the mounting device and the coupling bracket together via the fastener aperture.

The utility model relates to the technical field of anti-loosening bolts, in particular to an anti-loosening bolt for a wind driven generator, which comprises a bolt and a nut, the bolt comprises a head and a screw rod, the nut is in threaded connection with the surface of the screw rod, a sliding groove is arranged on the surface of the screw rod, and a circular ring base plate is sleeved on the surface of the screw rod. And a limiting block is fixedly connected to the inner arc surface of the circular ring base plate, the limiting block is clamped in the sliding groove, an inserting groove is formed in the surface of the circular ring base plate, and a locking mechanism is fixedly connected to the surface of the nut. The bolt and the nut can be fixed through matching of the circular ring base plate and the locking mechanism on the nut, so that connection between the bolt and the nut is firmer, the problem of bolt loosening caused by various complex working conditions such as vibration, high and low load changes and strong wind impact in the operation process of the wind driven generator can be effectively solved, and the service life of the wind driven generator is prolonged. The reliability of bolt connection is greatly improved, and stable connection of all parts of the wind driven generator is ensured.

A single-head anti-loosening fastening device comprises a bolt and a bolt clamping screw. The non-overlapping part of the bolt head and the bolt body in the axial direction is provided with two or more through bolt clamping screw holes parallel to the axial direction, and the bolt clamping screw holes are used for being connected with bolt clamping screws in a threaded fit mode; the diameter of the bolt clamping tail of the bolt clamping screw shrinks towards the tail end, and the bolt clamping screw is used for being embedded into a locking groove of a contacted fastening object. On the premise that the single-head fastening device is convenient and reliable to install, the requirements of railway industry standards are met and exceeded, the loosening torque is larger than the fastening torque, mucilage glue does not need to be smeared, use is convenient, the single-head fastening device can be put into use immediately after being fastened, and loosening and disassembling are easy, convenient and rapid compared with an existing fastening device.

A dual interface screw element includes a screw body (10) with an external thread (12) and two distinct engagement interfaces (13, 15), one for inserting the screw and another for removing it. The removal engagement interface (15) includes a reverse thread (16) located in an axial recess (36) such that a complementary reverse-threaded tool (24) applying torque to extract the screw body is tightened against the second engagement interface. The screw is part of a system including an extraction tool (24) and an insertion tool (18). Applications include medical applications such as dental implants and bone screws, domestic applications such as headless wall mounting anchors, and a wide range of other industrial and aerospace applications.

A fastening system comprising a fastener and a cage and a sealing element. The fastener is enclosed and held by the cage. The sealing element arranged so that using the fastener places the sealing element in a sealing area between the cage and the fastener.

A lock tab washer for a pipe hanger includes a washer body; an edge tab defining a first section and a second section, wherein the first section extends from the washer body and the second section is bent relative to the first section in a first direction; and first, second, and third nut tabs extending from the washer body, wherein each of the first, second, and third nut tabs are bent relative to the washer body in a second direction opposite the first direction.

A torque control fastener system having a fastener nut, a helical wire insert, and a shaft, where the nut and helical wire insert have unique hardness and coefficient of thermal expansion relationships that produce improved performance.

The utility model discloses a locknut which comprises an inner nut and an outer nut, the inner wall of the inner nut is a through hole and is provided with a first thread, the inner nut comprises an upper half part and a lower half part, the outer side of the upper half part is provided with a first external thread, and the inner side of the outer nut is provided with a second internal thread matched with the first external thread. The outer nut body can rotate upwards along the first external threads, the outer diameter of the upper half portion is gradually increased from bottom to top, and a plurality of notches are formed in the upper half portion of the inner nut body and evenly distributed at the upper end of the upper half portion of the inner nut body around the axis of the inner nut body.

There is provided a sensor unit for a fastener assembly, the sensor unit comprising a mounting arranged to rigidly attach the sensor unit to, or adjacent to, a fastener assembly; and a sensor, that is an optical flow sensor or an inductive sensor, configured to sense movement of the fastener assembly. The sensor unit may comprise a processor arranged to process the output of the sensor to detect loosening of the fastener assembly and to output a signal representing the status of the fastener assembly. The sensor unit may comprise a wireless communication unit arranged to communicate the signal.