1952results about "Couplings for rigid shafts" patented technology

Provided is a coupler, an air-conditioner indoor unit, and an air conditioner. The coupler includes a sleeve, a spacing portion, a first inner core, and a second inner core. The sleeve is provided with a chamber. The spacing portion is configured to be elastically deformable and provided in the sleeve to divide the chamber into a first accommodation cavity and a second accommodation cavity. The spacing portion has a first groove opened towards the first accommodation cavity and a second groove opened towards the second accommodation cavity, and the first groove and the second groove at least partially overlap in a circumferential direction of the sleeve. The first inner core is inserted into the first accommodation cavity and embedded in the first groove, and adapted to be connected to a driving shaft. The second inner core is inserted into the second accommodation cavity and embedded in the second groove.

A connection adapter for the detachable connection of an impeller with a shaft made of ceramic or tungsten carbide, to a rotor assembly for a turbo compressor. The connection adapter has an impeller section for fixing the impeller to the connection adapter and a shaft section for fixing the connection adapter to the shaft, and the impeller section has a first axial alignment means for axial alignment and a first radial alignment means for radial alignment of the impeller to the connection adapter. The shaft section has a second axial alignment means for axial alignment and a second radial alignment means for radial alignment of the shaft to the connection adapter, by way of which the impeller and the shaft are in a predetermined axial and radial alignment to one another on the connection adapter.

A torque tube coupler may include a sleeve. The sleeve may include an outer surface, a first opening, and a second opening. The outer surface may be configured to physically engage with portions of internal surfaces of a first torque tube segment and a second torque tube segment. The first opening may be configured to be positioned proximate a first countersunk opening of the first torque tube segment. The second opening may be configured to be positioned proximate a second countersunk opening of the second torque tube segment. The first opening and the second opening may be configured to receive fasteners via the first countersunk opening and the second countersunk opening to couple the first torque tube segment and the second torque tube segment to the sleeve to form a torque tube comprising a flush external surface.

A driveline coupler for an irrigation system having a puck that is press fit into the driveline coupler. The driveline coupler connects the motor or gearbox to the driveline of the irrigation system. The driveline coupler does not utilize bolts positioned through the puck to secure the puck in the universal connector.

An arrangement for a power tool comprising a drive part for rotational locking to a drive shaft with respect to a rotation axis; a base part for fixation to a base structure; and an output element having an indexing part and a driven part rotatable relative to the indexing part about the rotation axis; wherein the output element is movable along the rotation axis relative to the drive part and the base part from a locked position where the indexing part engages the base part and the driven part engages the drive part, to an intermediate position where indexing part engages the base part and the driven part is disengaged from the drive part, and further to an unlocked position where the indexing part is disengaged from the base part and the driven part is disengaged from the drive part.

The invention relates to an adapter sleeve with excellent installation adaptability, and belongs to the technical field of adapter sleeves, the adapter sleeve comprises a rotating shaft, and the outer wall of the rotating shaft is provided with a bearing main body. When the adapter sleeve and the bearing are assembled and connected, in order to improve the self-locking stability of the positioning block after threaded connection and prevent the positioning block from slipping after being used for a long time and reducing the stability of the bearing under high-strength rotation, the rotating block is operated, and under the fixed connection of the connecting shaft, the rotating block is not prone to falling off. A connecting gear is driven to rotate, through rotation of the connecting gear, a clamping rod is driven to slide along the inner wall of a limiting groove through rotation of a swing rod, the clamping rod is inserted into a clamping groove, and meanwhile, through rotation of the connecting gear, an extrusion block is extruded, and a telescopic rod and a spring are driven to do reciprocating jacking motion; and the gear is clamped and fixed by the extrusion block in time, so that the clamping and fixing use stability of the clamping rod to the positioning block is improved.

In an adapter series for geared motors, and a method for producing an adapter from a modular system, which include a first housing part, a second housing part, an intermediate flange, and a first bearing, a first adapter or a second adapter is selectively produced. To produce the first adapter, the first housing part is directly connected to the second housing part, and the outer ring of the first bearing is accommodated in the first and second housing parts and centers the first housing part with respect to the second housing part. To produce the second adapter, the first housing part is connected directly to the intermediate flange, the intermediate flange is connected directly to the second housing part on the side thereof facing away from the first housing part, and the outer ring of the first bearing is accommodated in the first housing part and in the intermediate flange and centers the first housing part with respect to the intermediate flange.

The utility model relates to the field of robots, in particular to a motor shaft fixing structure, a motor assembly and a walking mechanism, the motor shaft fixing structure comprises a shaft sleeve, a clamping piece, a bearing piece and a locking piece, and an inner cavity of the shaft sleeve comprises a shaft cavity used for containing a motor shaft and a clamping gap communicated with the shaft cavity; the clamping piece is arranged in the clamping gap and fixedly connected with the shaft sleeve so as to clamp the motor shaft arranged in the shaft cavity. The bearing part is provided with a mounting cavity, the shaft sleeve is inserted into the mounting cavity from an opening in one end of the mounting cavity, and a locking opening communicating with the mounting cavity is formed in the bottom of the bearing part. During installation, only the shaft sleeve needs to be arranged on the motor shaft in a sleeving mode, the clamping piece is inserted into the clamping gap, the motor shaft, the shaft sleeve and the clamping piece are inserted into the installation cavity of the bearing piece together, and then the shaft sleeve is locked on the bearing piece through locking of the locking piece. The motor shaft fixing device is simple in structure and convenient to install.

An axial flow machine for a motor vehicle includes a stator having two rotors that can be rotated in relation to the stator. The stator is arranged between the rotors in the axial direction of the axial flow machine. The rotors are connected to each other in a rotationally fixed manner by means of respective toothings of the rotors, said toothings being arranged on sides of the rotors facing towards each other in the axial direction.

An assembly for connecting a tube having a tube connector and a flow restricting orifice. The flow restricting orifice includes a tubular nozzle having an insert portion for insertion into a mouth of the tube connector and a visible marking having a marking element which extends radially outwardly from the tubular nozzle and which includes a frangible connection which is connected to the tubular nozzle and which has at least one predetermined breaking point. The frangible connection is configured to release the marking element when the frangible connection is broken before the tube is completely pushed onto the tube connector. The marking element is configured to be retained on the tube connector or on a tube connected to the tube connector to remain, wherein the flow restricting orifice is fitted in a mouth of the tube connector.

A drive train (22, 24) for a drive device (20) is disclosed. The drive train (22, 24) comprises an input shaft (28), a hollow shaft (30, 32) connected to the input shaft (28) for drive purposes, and a bevel gear stage (34, 36) connected to the hollow shaft (30, 32) for drive purposes, wherein the bevel gear stage (34, 36) comprises a drive bevel gear (42, 44) and an output bevel gear (46, 48), wherein the drive bevel gear (42, 44) has a gear hub with internal teeth (92, 94) which engages with a first external toothing section (96, 98) extending axially on the hollow shaft (30, 32). The first external toothing area (96, 98) is formed on a first connecting area (102, 106) of the hollow shaft (30, 32).A rotary transmission area (100, 101) of the hollow shaft (30, 32) extends axially adjacent to the first connection area (102, 106), wherein the rotary transmission area (100, 101) forms a rotationally fixed drive connection between the input shaft (28) and the first connection area (102, 106), and wherein the first connection area (102, 106) between the rotary transmission area (100, 101) and the external gearing area (96, 98) is provided with a first recess (114, 118) that defines a predetermined breaking point. Furthermore, a drive device (20) with such a drive train (22, 24) and an agricultural machine with such a drive device (20) are disclosed.

The provided is an anti-detachment elastic retaining ring capable of springing back for self-locking and a mounting method thereof. The anti-detachment elastic retaining ring includes a retaining ring body, where the retaining ring body is provided with an opening; corresponding to two sides of the opening, two ends of the retaining ring body respectively form a first end and a second end; the first end and the second end interlock with each other; corresponding to interlocking front end positions of the first end and the second end, front ends of the first end and the second end are respectively provided with a first connecting extension section and a second connecting extension section; and the first connecting extension section and the second connecting extension section extend laterally to form a first limiting protrusion and a second limiting protrusion, respectively.

The utility model relates to the technical field of gear shafts, and discloses a high-coaxiality gear shaft which comprises a gear body, a fixing cylinder is fixedly connected to the outer wall of one side of the gear body, a limiting block is fixedly connected to the inner wall of the fixing cylinder, a shaft body is inserted into the fixing cylinder, a limiting groove is formed in the outer wall, facing the limiting block, of the shaft body, and the limiting block is fixedly connected with the limiting groove. The limiting blocks are clamped in the limiting grooves, and bolts are arranged on the two sides of the fixing cylinder in a penetrating mode and are in threaded connection with the shaft body. According to the technical scheme, the shaft body can be installed through the fixing cylinder, the limiting block is clamped in the limiting groove in the shaft body while the shaft body is inserted into the fixing cylinder, and then the fixing cylinder and the shaft rod are fixed through the bolt, so that the firmness and stability of assembly of the gear body and the shaft rod can be improved, and the service life of the gear body and the shaft rod is prolonged. And flexible disassembly can be achieved, only the damaged structure needs to be replaced, overall replacement is not needed, and waste of resources is avoided.

The utility model discloses a transmission shaft connecting flange plate structure which comprises a first transmission shaft, and the bottom end of the first transmission shaft is rotationally connected with a first butt joint flange. According to the butt joint device, a hook base on a second butt joint flange is inserted into the two receding grooves, then the second butt joint flange is rotated, the hook base enters the butt joint groove, butt joint of the first butt joint flange and the second butt joint flange is completed, further, a limiting block in a square through hole is pushed by rotating an adjusting bolt to enter the limiting groove, and therefore butt joint of the first butt joint flange and the second butt joint flange is completed. The first butt joint flange and the second butt joint flange are limited and finally fixed through the butt joint bolts, so that the connection strength of the first butt joint flange and the second butt joint flange is high, and through cooperation of the limiting blocks and the limiting grooves, the stress condition of the butt joint bolts is greatly reduced; and the condition of fracture of the butt flange is reduced to the greatest extent. And the structural strength is improved.

The utility model discloses a motor twin trawling test structure with angle compensation, which comprises a test loading table, a loading motor is fixedly mounted on the test loading table, a position-adjustable support plate is mounted on the test loading table, and a tested motor is mounted on the support plate; an output shaft of the loading motor is provided with a first half coupling and a second half coupling connected to the first half coupling, and a torque sensor is arranged between the first half coupling and the second half coupling; an output shaft of the tested motor is inserted with an outer spline shaft, the outer spline shaft is connected with a third half coupling, the second half coupling and the third half coupling are both provided with switching structures, and a universal coupling is installed between the two switching structures; the device can be suitable for motor testing of the internal spline shaft and has certain angle compensation.

The invention discloses a structure and method for preventing axial and angular movement of a spline pair, and particularly relates to the technical field of spline pairs.The structure comprises a spline shaft and a spline sleeve, the spline sleeve is arranged on the surface of the spline shaft in a sleeving mode, a plurality of sleeve grooves are formed in the inner wall of the spline sleeve, and a plurality of shaft teeth are fixedly connected to the surface of the spline shaft; the surface of the shaft tooth is in sliding connection with the inner wall of the sleeve groove, a positioning device for limiting the spline shaft and the spline sleeve and preventing the spline shaft and the spline sleeve from axial or angular movement is arranged between the spline shaft and the spline sleeve, the positioning device comprises a positioning pin, and a first circular groove is formed in the spline shaft. The positioning device can limit and fix the spline housing and the spline shaft, so that the spline shaft cannot move in the axial direction, the situation that the spline shaft moves in the axial direction or the angular direction due to vibration in the transmission process is reduced, and the stability of the spline shaft in the transmission process is improved.

A kit for use with a drivetrain of a rotatable assembly includes a tapered bushing, a tapered adapter, and a bushing lock. The tapered bushing includes a flange, a sleeve portion, a central opening, a keyway located along the central opening, at least one fastener hole, and a tapered mating surface facing outward. The tapered adapter includes a hub body with an end face portion, an interior cavity, a threaded shaft, at least one fastener hole extending substantially axially through the hub body, and a tapered mating surface facing inward. The fastener hole(s) of the tapered adapter and tapered bushing are configured to align. The bushing lock includes a bushing lock central opening extending axially, a keyway located along the bushing lock central opening, and a fastener hole extending substantially radially.

The utility model relates to the technical field of airplane wheel drivers, in particular to a coupler for an airplane wheel driver, which comprises a coupler body, a first coupling and a second coupling, the length of the coupler body is adjustable, the coupler body comprises an inner sleeve and an outer sleeve, and the inner sleeve and the outer sleeve are connected through a movable connecting mechanism; a third flange and a fourth flange are installed at the two ends of the coupling body respectively and fixedly connected with a first flange and a second flange on the first coupling and the second coupling respectively, elastic membranes are arranged between the first flange and the third flange and between the second flange and the fourth flange respectively, and rubber cushions are attached to the two sides of the elastic membranes respectively. The application range and application scene of the coupler are expanded, and meanwhile the service life of the diaphragm and the coupler is prolonged.

The utility model discloses a split type journal sticking device which comprises an outer sleeve assembly, a middle sleeve assembly and an inner sleeve assembly, the outer sleeve assembly, the middle sleeve assembly and the inner sleeve assembly are all of split type structures, and two outer conical surfaces are symmetrically arranged on the outer side of the inner sleeve assembly. An annular wedge-shaped space is formed between the inner side of the outer sleeve assembly and the outer conical surface on the outer side of the inner sleeve assembly, the middle sleeve assembly is arranged in the annular wedge-shaped space, and an inner conical surface matched with the outer conical surface is arranged on the inner side of the middle sleeve assembly; and a pushing mechanism is arranged between one end of the middle sleeve assembly and the outer sleeve assembly. The middle sleeve assembly is pushed to move through the pushing mechanism, huge radial pressure is applied to the inner sleeve assembly under the action of the outer conical surface and the inner conical surface, the inner sleeve assembly firmly holds the transmission shaft under the huge radial pressure, and compared with a traditional bolt fastening mode, the clamping force is greatly improved, and the transmission shaft can be firmly clamped. The problem that the shaft sticking device and the transmission shaft are prone to slipping is effectively solved.

Joint arrangement comprising: a constant velocity joint having an outer race with a welded seat; a flange component having a weld seat projection on a first side, the weld seat projection configured to engage the weld seat of the outer ring; a conductive component interconnecting the outer ring and the flange component at an interface between the outer ring and a second side of the flange component opposite the first side; and a shaft component drivingly coupled to the constant velocity joint, wherein the constant velocity joint is received by the shaft component at the weld seat of the outer ring and drivingly coupled to it.

A rigid-floating flexible torque coupler includes a pair of ball-and-socket joints attached to opposite ends of a rigid shaft that form a single torque shaft. Each socket is configured to be rigidly attached, and possibly integrally formed, to a drive / driven shaft. Each ball-and-socket has opposing ball and socket surfaces that interfere and to prevent rotation of the ball relative to the socket to transfer torque upon rotation of the drive shaft while allowing the ball to pivot within the socket to tolerate lateral or angular offsets of the drive and driven shafts. Each socket may have sufficient depth to allow the ball (single torque shaft) to be displaced axially to tolerate axial misalignment of the drive and driven shafts. The single torque shaft is not rigidly attached. At rest in a nominally aligned state, the single torque shaft and balls “float” within the pair of sockets. In operation, the points of interference of the opposing surface may be constantly changing depending on the misalignment while maintaining the transfer of torque.

A shaft coupling for coupling a prime mover shaft to a power input shaft of a progressive cavity pump can include a first half shell and a second half shell. Each of the half shells can include a first end and a second end along a longitudinal center axis, the first end can include an inner contour which can be configured to match an outer contour of the prime mover shaft and the second end can include an inner contour which can be configured to match an outer contour of the power input shaft. The shaft coupling can include a fastening mechanism, which can be configured for applying a force on the first half shell and the second half shell that can be in a radially inward direction, where the force can be applied through the longitudinal center axis.

A filtering pulley has a hub configured to be fixed to a shaft for rotation thereabout, a crown mounted coaxial and rotationally free on the hub, and a plurality of elastic groups arranged circumferentially with respect to the hub and to the crown and interposed, each, between a pair of first elements integral with the hub and between a pair of second elements integral with the crown. The first elements have at least two spokes, carried by an actuator that is made of two portions that can be selectively coupled based on angular position data between the crown and the hub and / or based on data of torque transmitted between the different elements of the system comprising this pulley.

A power transmission device includes an inertia ring, a plate, a plurality of first bolts, a torque transmission member, and a plurality of second bolts. The inertia ring has an annular shape. The inertia ring includes a plurality of through holes. The plurality of through holes are disposed at intervals in a circumferential direction. The plate is disposed on a first side with respect to the inertia ring in an axial direction. The plurality of first bolts are screwed into the plurality of through holes from the first side to fasten the plate to the inertia ring. The torque transmission member is disposed on a second side with respect to the inertia ring in the axial direction. The plurality of second bolts are screwed into the plurality of through holes from the second side to fasten the torque transmission member to the inertia ring.

A rotation stop device for a rotatably mounted shaft, having a stationary stop body and a transmission which converts the rotational movement of the shaft into a linear movement of a driven element relative to the stop body, and having a stop element which can be moved by the driven element into a stop position in which it bears against the stop body. The stop element is coupled to the shaft in a rotationally fixed and axially displaceable manner by a linear guide.

A work tool and transmission system thereof. The transmission system comprises: a first shaft (250) and a second shaft (350), a near end (351) of the second shaft having a first mating part; a shaft coupler (600), a far-side part (620) of the shaft coupler having a second mating part matched in shape to the first mating part; and a coupling mechanism capable of directly or indirectly applying a coupling force to at least one of the first shaft, the second shaft and the shaft coupler; when the far-side part of the shaft coupler is aligned with the near end of the second shaft in the circumferential direction, the coupling force forces the first mating part to engage with the second mating part, so that the shaft coupler transmits rotational movement of the first shaft to the second shaft. The work tool comprises: a transmission system; a motive power head transmission-connected to the first shaft (250); and a working head transmission-connected to the second shaft (350).

The rotational alignment system (1) according to the invention comprises a first and a second rotational alignment device (2, 3) with a first and a second cylindrical alignment surface, respectively. A number of n alignment grooves (4) are arranged on the first alignment surface (2b), and at least one movable engagement element (5) preloaded by a spring device (6) to engage one of the n alignment grooves (4) is arranged on the second alignment surface (3b), where n is a positive integer corresponding to a number of relative rotational positions of the combined rotational alignment devices (2, 3). Each alignment groove (4) extends helically over an angular range of at least 360° / n. With the rotational alignment system (1) according to the invention, parts to be coupled can be aligned to one another in relative rotational positions about a coupling axis.

The coupler for the generator comprises a first coupling end seat and a second coupling end seat, the first coupling end seat and the second coupling end seat are both provided with bolt fixing holes, a movable rod is attached to the interior of one end of the second coupling end seat in a sliding connection mode, and the end, located in the second coupling end seat, of the movable rod is connected with a pressure sensor. And a limiting ring is arranged on the outer side of one end, close to the pressure sensor, of the movable rod. The fixed ring is pushed to make the detection ends of the three pressure sensors contact with the end face of the first coupling end seat to detect whether the detected pressure data are consistent or not, and therefore the driving shaft and the driven shaft can be conveniently adjusted to be on the same straight line.

The invention relates to a coupling module for a drive train test stand for connecting an articulated shaft to a driveshaft. The coupling module includes a wheel rim and a wheel cap. The wheel rim can be rotationally fixed to the driveshaft. The wheel cap has a base surface and a lateral wall. The wheel cap can be rotationally fixed to the articulated shaft. A vehicle wheel is arranged on the wheel rim, the trad of the wheel being in frictional contact with the inner face of the lateral wall of the wheel cap. Also disclosed is a corresponding output module for a drive train test stand and to a drive train test stand for testing a vehicle drive train.