74results about How to "Reliable torque transmission" patented technology

A tool head for a motor-driven, manually guided implement for receiving a rotatable cutter tool is provided. The tool head comprises a housing in which is provided a tool shaft that is rotatably mounted via bearings. Secured on the tool shaft so as to turn with it is a tool carrying mechanism for the cutter tool. This tool carrying mechanism includes an engagement plate having an engagement surface, which is oriented perpendicular to the axis of the shaft, and a centering shoulder. The engagement plate and a centering element having the centering shoulder are embodied as separate components. The engagement plate is of light weight construction and is positively connected with the tool shaft. The centering element is made of a material, the hardness of which is adapted to the cutter tool.

The invention discloses a rope traction monorail crane system braking vehicle, and the rope traction monorail crane system braking vehicle comprises a frame, two pairs of walking wheels and two pairs of brake shoes are arranged between two sidewalls of the frame, two pairs of brake shoes are driven by a pair of brake arms, two pairs of brake arms are driven by brake oil cylinder, the frame is provided with a speed selecting and increasing device, the speed selecting and increasing device comprises a first speed selecting wheel, a second speed selecting wheel, a clamping oil cylinder, a dual-direction hydraulic motor and a gearbox, the first speed selecting wheel shaft and the second speed selecting wheel shaft are supported by the first wheel shelf and the second wheel shelf, the shaft of the second speed selecting wheel is connected to the low speed shaft of the gearbox through cross-shaped universal coupler, the high speed shaft of the gearbox is connected to the drive shaft of the dual-direction hydraulic motor through elastic coupler. The speed selecting and increasing device controls two pairs of brake shoes of the braking vehicle by selecting speed judgment, the brake shoes on the other vehicles can also be controlled for guaranteeing the safe drive for the rope traction monorail crane system.

The brushhead / handle interface includes a brushhead assembly (20) which has a brush member (26) for cleaning teeth. A driveshaft (14) extends from a handle portion (12) of the toothbrush (10), which is driven in an oscillating manner through a selected rotational angle. The driveshaft includes one or more contact regions (49). The coupling member includes an interface portion or portions (46) which are forced against the contact regions of the driveshaft by a single spring member when the driveshaft is inserted into the coupling member. The single spring (34) exerts a sufficient force on the interface portions of the coupling member against the contact regions of the driveshaft to produce both a reliable torque transfer between the driveshaft and the brushhead assembly and to maintain axial retention of the brushhead assembly on the driveshaft during operation of the toothbrush.

The embodiment of the invention provides a manual release device for an air brake. The manual release device comprises a cut-out cock, a first operation handle, a flexible shaft and two connection devices, wherein the cut-out cock is provided with a first rotating rod; the first end of the first rotating rod is connected with a valve core of the cur-out cock; the first rotating rod is provided with first grooves; one of the connection devices comprises steel balls, a clamping sleeve, springs and a connection body; the first end of the connection body is provided with a holding cavity and the second end thereof is connected with the flexible shaft; stopping parts are arranged at the circumference of the first end of the connection body; first through holes are arranged at the outer wall ofthe holding cavity; the clamping sleeve is sleeved on the connection body; the inner wall of one end, which is away from the flexible shaft, of the clamping sleeve is provided with second grooves; oneend of each spring is connected to the outer wall of the connection body and the other end thereof is connected to the inner wall of the clamping sleeve; the first end of the connection body of the one connection device is connected with the second end of the first rotating rod; and the other connection device is arranged in a vehicle body. The manual release device for the air brake can realizethe cutoff and recovery operation of air supply for braking in a vehicle or under the vehicle.

The invention relates to an improved structure of double-screw extrusion equipment. The double-screw extrusion equipment is a particle-cutting power transmission mechanism in the high-heat condition. A motor (9) is installed on a fixed motor seat stand (10) and can rotate up and down or / and from side to side. Two cylindrical connectors (2) are respectively arranged in two cylindrical connecting housings (1) of a rotary fabricated coupler and are fixed through embedding of a plurality of rubber pins (3), and the two cylindrical connectors (2) are mutually inserted and connected. The cylindrical connecting housings (1), one end of each connecting housing is connected with a rotating shaft of a cutter (7) or an output shaft of the motor (9), and the inner wall of the other end of each connecting housing is uniformly provided with a plurality of semicircular outer holes (1c) in the circumferential direction. The the circumferential-direction outer wall of one end of each connector is provided with a circle of semicircular inner holes (2c), and the other end of each connector extends a convex plate (2b) or a corresponding groove (2a) to the opposite side. The rubber pins (3) are cylinders and are embedded into circular holes on the connecting housings (1) and the cylindrical connectors (2). According to the invention, the assembly space and distance are not reserved in the axial direction in order to connect the cutter with the motor of a double-screw extruder, so that the site is reduced, and the safety is improved.

A drive system for a motor vehicle comprises a drive unit with a drive shaft and a torque-transmitting assembly, which is to be connected on the drive side to the drive shaft for rotation in common around an axis of rotation (A) and which is to be connected on the takeoff side to a gearbox. The drive-side connection is accomplished by means of an axial plug-in connection arrangement, and the torque-transmitting assembly is supported in at least one axial direction on the gearbox.

A propeller shaft is proposed which comprises an outer cylindrical member formed with a sleeve portion that has a splined cylindrical inner wall with which a splined cylindrical outer wall of a shaft is engaged; an inner cylindrical member installed in the outer cylindrical member; a torque transmitting unit through which a torque is transmitted from the outer cylindrical member to the inner cylindrical member; and a connecting mechanism that, upon engagement of the splined cylindrical outer wall with the splined cylindrical inner wall, effects an axial and relative positioning between the shaft and the outer cylindrical member while establishing a detachable connection therebetween.

The invention relates to a unidirectional pulley. An inner ring body is sleeved outside a mandrel connecting sleeve, a pulley is sleeved outside the inner ring body, the left end and the right end ofthe mandrel connecting sleeve are sleeved with bearings, the inner surfaces of inner rings of the bearings are in contact with the outer surface of the mandrel connecting sleeve, the outer surfaces ofouter rings of the bearings are in contact with the inner-hole wall surface of the pulley, the inner ring body sleeve is sleeved outside the mandrel connecting sleeve arranged between the opposite end surfaces of the two bearings, the outer surface of the mandrel connecting sleeve arranged between the opposite end surfaces of the two bearings is provided with a curved surface die cavity, a rollerpin is arranged in the curved surface die cavity, the cross section of the curved surface die cavity is in a wedge shape, the small end of the curved surface die cavity is consistent with a rotatingdirection of an electric generator in a working process, the large end of the curved surface die cavity is provided with a restoring spring, the restoring spring is supported to the roller pin and pushes the roller pin to the small end of the curved surface die cavity, and a sealing device is sleeved on the mandrel connecting sleeve. The unidirectional pulley eliminates the phenomenon that the pulley skids when running at high speed and solves the conflict between spring thrust and frictional resistance.

The invention discloses a tapping chuck comprising a handle, a torque adjusting mechanism, an engaging and disengaging mechanism and a screw tap clamping mechanism. The torque adjusting mechanism is rotatablely folded in the middle part of the handle of the tapping chuck; the engaging and disengaging mechanism is arranged on one side of the torque adjusting mechanism; the screw tap clamping mechanism comprises a chuck, a joint, two steel balls and a locking ring; the steel balls are respectively arranged in a pair of symmetrical holes which are disposed on the outer circumferential surface of the chuck body; the inner sides of the steel balls are leaned against the joint; the locking ring is sleeved on the outer circumferential surface of the chuck body and compresses tightly the outer sides of the steel balls; one end surface of the chuck body, which is far from one side of the edge of a flange, is provided with symmetrical bosses; and the bosses are clamped in the flange clamp slot of the joint. The tapping chuck can transmit the torque reliably without sliding, ensure the processing precision of the processed threaded hole and lock reliably, and the joint of the tapping chuck can be replaced conveniently and easily.

The present invention provides a combination tool, including a tool shaft (11) with an inner part (12) and an outer part (13), a first tool head (14) that is integrally formed on the inner part (12) and a differently designed second tool head (15) that is integrally formed on the outer part (13). The tool shaft (11) is realized in such a way that it can be inserted into a machine and features at least one holding element (16) for mounting a tool head (14, 15) thereon in a locking fashion.

A crankshaft-gear connection structure and a mounting method thereof are provided. The structure includes a crankshaft and a gear. The gear, which is subjected to heating and heat preservation previously, is mounted on the crankshaft in an interference fitting manner. A heating temperature for the gear ranges from 180 to 220 DEG C, and the time of heat preservation ranges from 50 to 70 minutes. The tolerance fit of the crankshaft with the gear is H7 / u6. Due to the use of the above technical solution, the crankshaft-gear connection structure is small in size, reliable in transmitted torque, and stressed uniformly, as compared to the prior art.

The invention provides an automatic clutch device with the free stroke. The automatic clutch device comprises a first drive shaft, a clutch drive part and a second drive shaft; the first drive shaft is in drive connection with the second drive shaft through a clutch drive component, the first drive shaft is a ladder shaft, threads are arranged on the surface of a small end shaft of the first drive shaft, and the clutch drive component is rotatably arranged on the threads; a baffle used for blocking the clutch drive component is arranged on the end face of the small end of the first drive shaft, a counter bore is formed in the end face of one end of the second drive shaft, and the small end of the first drive shaft, the clutch drive component and the baffle are all embedded in the counter bore; the clutch drive component and the second drive shaft are connected in a torque transmission manner and can slide axially relative to the inner wall of the counter bore; and compared with the prior art, the automatic clutch device is simple in structure, reasonable in design, convenient to manufacture, reliable in torque transmission, wide in application range and high in practicability, and the cost is reduced.

The invention provides a device for receiving an overload in a spine processing station of a book binding machine. In order that the back of the body which inserts into a clamp and is conveyed at the back processing station may process it, show around through between a support roller of position fixing, and press rollers in the state where it was inserted, and the press roller, linear movement is possible and so that thickness of the back which should be processed may be adjusted via a linear guide and a spindle driving device the spindle driving device, with an adjusting driving device, a spindle with a screw thread pivotable at a motor ceremony, It has a slidable internal thread mountain element to a spindle with the screw thread accommodated in rotation impossible, a spring elastic component connected with the spindle driving device is provided, and this spring elastic component, it is set up by an interval between the press roller and the support roller, which can be grasped by a sensor in order that displacement of a spindle with the screw thread may be enabled and the displacement may specify page number of the body, when target thickness of the back guided in between the press roller and the support rollers is exceeded in equipment which absorbs an overload. A driving shaft of the adjusting driving device, and an end by the side of an adjusting driving device of a spindle with the screw thread, it is slidably connected mutually impossible along a rotating shaft line of a spindle with the screw thread via a length compensation element, the spring elastic component is the inside of a hollow chamber provided in a housing of a spindle with the screw thread, equipment which having extended in same axis to a rotating shaft line of a spindle with the screw thread, and being supported by the driving shaft at the first end, and supporting inside a housing of a spindle with the screw thread at the second end and which absorbs an overload.

The invention relates to a guide wheel arrangement for guiding two-dimensional material webs, in particular for guiding material webs or material sheets. The guide wheel arrangement comprises a guide wheel comprising an inner central hub section and an outer guide ring, which is connected to the inner hub section in a rotationally fixed manner for guiding the two-dimensional material elements, as well as an insert bushing which is to be arranged on a shaft and is concentrically inserted into the inner hub section, wherein the insert bushing is connected to the guide wheel in a rotationally fixed manner.

The invention belongs to the technical field of machining and manufacturing, and particularly relates to a synchronous rotation drive device for a shaft part. The synchronous rotation drive device for the shaft part comprises a locking flange, a clearance nut, multiple pressing screws and a drive sleeve. A groove is formed in the locking flange. A protrusion matched with the groove is arranged on the end face of the drive sleeve, and a threaded hole is formed in the protrusion. A nut head of the clearance nut abuts against the side wall of the groove. A threaded rod of the clearance nut is installed in the threaded hole of the protrusion. The pressing screws are used for installing a part to be machined on the locking flange and a machine tool cone vertex. The drive device is easy to machine, convenient to operate, and capable of guaranteeing the shaft part machining accuracy.

The invention provides a plate rolling and leveling device. The plate rolling and leveling device comprises a frame, an upper roller set, upper auxiliary carrying wheel sets, a lower roller set, lowerauxiliary carrying wheel sets, a lifting device and a rotating device. The upper roller set is mounted on the frame through the lifting device. Each of the upper roller set and the lower roller set comprises a plurality of rollers. The lifting device comprises clamping roller lifting devices and a leveling roller set lifting device. Two ends of a clamping roller are connected with the clamping roller lifting devices arranged on two sides of the frame respectively. The upper auxiliary carrying wheel sets on two sides are fixed to the upper side of the upper roller set through upper auxiliary carrying wheel set supports. The lower roller set is arranged below the upper roller set. The rotating device comprises universal couplers, a gear transmission case, a speed reduction box and a rotating motor. The plate rolling and leveling device has the advantages that a roller rolling and leveling mode is adopted, the rotating device drives rollers to drive the plates to move, the plates are bent repeatedly, stress is eliminated, and accordingly, leveling of the plates is achieved.

The invention discloses a forging press. The forging press comprises a crankshaft, one end of the crankshaft is provided with a brake, and the other end of the crankshaft is provided with a clutch; the clutch comprises a flywheel, a driven shaft sleeve and a driving disc which sleeve the crankshaft sequentially; the flywheel is installed on the crankshaft through bearings, the driven shaft sleeveand the driving disc are arranged in a concave cavity of the flywheel, and the exterior of the concave cavity of the flywheel is fixedly connected with a casing; the driven shaft sleeve is fixedly connected with the crankshaft, and the outer ring of the driven shaft sleeve is inlaid with a plurality of movable friction blocks; the driving disc sleeves the crankshaft in an idling manner and is connected with the casing through a plurality of drive pins in a circumferentially fixed and axially moving manner, the drive pins are sleeved with a plurality of springs, and the driving disc and the casing are slidably connected in a nested manner to form a cylindrical air cylinder cavity; and the cylindrical air cylinder cavity communicates with a vent hole formed in the center of the casing and issealed through a sealing ring arranged between the driving disc and the casing. According to the technical scheme, the separate structural design of the clutch and the brake is adopted, the structureis simple, and operation is reliable.