41results about How to "Increased transfer torque capacity" patented technology

The invention discloses a remote automatic control adjustable-speed disc magnetic coupling, and relates to the technical field of transmission in mechanical engineering. The magnetic coupling consists of a driving disc assembly, a driven disc assembly and a speed regulation device assembly, and is characterized in that: the speed regulation device consists of a micro motor, a speed reducing mechanism, a double threaded screw rod and a speed controller; the micro motor is arranged on a driven shaft of the driven disc assembly of the magnetic coupling; the speed reducing mechanism is arranged on an output shaft of the micro motor; the speed controller controls the micro motor to rotate and drives the double threaded screw rod to rotate through the speed reducing mechanism; and left and right ends of the double threaded screw rod are in threaded connection with a left driven disc substrate and a right driven disc substrate of the driven disc assembly respectively. The rotating directions of threads at the two ends of the double threaded screw rod are opposite, when the double threaded screw rod rotates around the axis thereof, the left driven disc substrate and the right driven disc substrate of the driven disc assembly move close to or away from each other along the driven shaft of the magnetic coupling, so that air gaps among two groups of driven discs and driving discs are changed at the same time.

The invention discloses a production method of a saloon car transmission combination gear ring, which comprises the following steps: (1) warm forging plastic forming; (2) spheroidal annealing; (3) straight tooth cold extrusion; and (4) back taper tooth forming. A warm/cold combined forging forming technique is utilized to form the saloon car transmission combination gear ring. A straight tooth structure is firstly formed, and taper teeth are formed on the basis of the straight tooth structure, so that mechanical cutting subsequent processing is not needed. The toothed metal has complete streamline. The method enhances the strength and comprehensive mechanical properties of the teeth, improves the torque transfer capacity, and enhances the carrying capacity of the gear. The three cold-forging procedures, including cold-forging straight tooth forming, back taper tooth preforming and back taper tooth finish forming, are instantaneously completed on a mechanical press, and thus, the method has the advantages of high production efficiency and low cost.

The invention discloses a variable-speed transmission mechanism for relay transmission of variable-diameter gears. The variable-speed transmission mechanism comprises two variable-diameter relay transmission gears, variable-diameter adjusting mechanisms, a power input shaft and a power output shaft, wherein the two variable-diameter relay transmission gears are connected with each other through a transmission gear group; the variable-diameter adjusting mechanisms are respectively arranged on the two variable-diameter relay transmission gears; the power input shaft is connected with one variable-diameter adjusting mechanism, and the power output shaft is connected with the other variable-diameter adjusting mechanism. Based on the basic principle of infinitely variable speed, through unique and novel design concept, variable transmission ratio of a main driven wheel is realized by utilizing a clack body combined type variable-diameter wheel body, effective variable-diameter control is realized through the variable-diameter adjusting mechanisms, and power transmission is realized through engagement of gear belts and gears; the variable-speed transmission mechanism is simpler in structure, superior in weight volume and lower in production and manufacturing costs; moreover, the variable-speed transmission mechanism is firmer in structure, the bearing load and torque transmission capacity are greatly improved, and the problems in the prior art that thermal decay exists and larger torques cannot be transmitted through friction transmission speed are solved, so that the variable-speed transmission mechanism can be widely applied to large-displacement automobiles.

The invention discloses a chained infinitely variable speed transmission gear, belongs to an F16H9/24 category according to international patent classification (IPC) retrieval, and discloses a transmission gear capable of transmitting rotational movement at a variable speed ratio by the aid of a chain, a friction bevel wheel set and a sprocket. The chained infinitely variable speed transmission gear comprises the friction bevel wheel set (1), the transmission chain (2), the sprocket (3) and a tension wheel (4). The transmission chain (2) is tensioned via the tension wheel (4) and encircles the friction bevel wheel set (1), the friction bevel wheel set (1) comprises two friction bevel wheels which are coaxially and oppositely mounted, and the two friction bevel wheels can axially move in opposite directions, so that the working radius of the transmission chain (2) can be changed. The chained infinitely variable speed transmission gear is characterized in that the sprocket (3) presses the transmission chain (2) on the friction bevel wheel set (1), and rotational torque can be transmitted between the friction bevel wheel set (1) and the sprocket (3) via the transmission chain (2) and a chain shaft (6).

The invention discloses a method for improving screw drilling tool use performance and a super screw drilling tool. The super screw drilling tool comprises a fall prevention conversion assembly, a motor assembly, a universal shaft assembly and a transmission shaft assembly, the fall prevention conversion assembly comprises a fall prevention conversion connector, a fall prevention disk and a fall prevention connecting rod, the fall prevention disk is arranged in the fall prevention conversion connector, the upper end of the fall prevention connecting rod is arranged in the fall prevention diskin a sleeving manner and fixed through a tightening nut, and the other end of the fall prevention connecting rod is connected with the upper end of a rotor of the motor assembly. The super screw drilling tool is simple in structure, safe and reliable, rotating and drilling functions of a conventional screw drilling tool and a directional drilling function of a bent shell can be achieved, the superscrew drilling tool is particularly applicable to well drilling occasions of supra-maximal discharge capacity, torque and drilling pressure and ultra-high compound rotating speed under high bending deflection (namely a short-radius drilling tool), the super screw drilling tool has service life equivalent to a conventional screw, the application range of the screw drilling tool is greatly widened,and well drilling speed can be effectively improved.

The invention relates to a stern bearing pouring damping device and its reparation method, and belongs to the technical field of a ship damping device. An outer bush in the damping device sleeves to an inner bush, one end is provided with a flange; a pouring body is poured and solidified between the inner and outer bushes; the damping device is installed between a stern bearing propeller boss anda stern bearing; the damping device is connected with the stern bearing propeller boss and the stern bearing through a bolt; the materials of the inner and outer bushes are consistent with that of thestern bearing propeller boss; the pouring body material is an epoxy pouring material; after curing, the tensile strength is not less than 34 MPa, and compression strength is not less than 100 MPa; the notch-free impact intensity of a cantilever beam is not less than 1.7kJ/m2, the thermal deformation temperature is not less than 70 DEG C, and the Barcol hardness is not less than 35. The damping device is easy to dismount, overhaul and replace; the force transmissibility isolating efficiency is more than 50%. The transmission of vibration from the stern bearing to the outside of a ship body canbe effectively controlled, the low-noise shipping is realized; the stern bearing pouring damping device can be poured and processed in a factory and not influenced by environment temperature.

The invention is concerned with a compound roller for high performance cementation cemented carbide. It is made up of cemented carbide roller hoop and roller axis connecting with it. The said cemented carbide is made up of compound roller hoop seat, cemented carbide hoop and steel end face hoop. There is cemented carbide hoop cementing on the iron-based roller hoop seat and there is assistant cementation step hoop extending along the axis at least at one side of the cemented carbide hoop, and the iron-based roller hoop seat at one side of cemented carbide hoop connects with steel end face hoop. There are assistant cementation step hoops with equal or different extending of axis at both sides of the said cemented carbide hoop, and one end of it inserts and cements in the roller hoop seat and the other end of it inserts and cements in the end face hoop. The closed faces of the said end face hoop and cemented carbide roller hoop have bond grooves and cement with each other, and the end face hoop is connected and cemented with the roller hoop seat with bolt. The said cementation is inorganic or organic glue and forms at least one cementation layer with 1 to 3 mm thickness. It has easy production method, low cost and high compound intension and its torque transfer is much bigger than common cementation compound roller.

The invention discloses a magnetorheological fluid rotational spring force sense feedback apparatus and an application method thereof. The magnetorheological fluid rotational spring force sense feedback apparatus comprises a force sense simulation system, a force sense control system, an aligning torque generation system, a damping torque generation system and a power supply system. The aligning torque and the damping torque in the magnetorheological fluid rotational spring force sense feedback apparatus are separately controlled, so that the irregularity and delay characteristics of the control of the traditional torque motor can be eliminated; and moreover, an ordinary DC motor can be used, so that the cost of the apparatus can be decreased.

The invention relates to a manufacturing method of an adjustable-speed three-jaw inner gear ring. The method comprises the following steps that firstly, metal powder is proportioned; secondly, compression moulding is performed; thirdly, sintering of the three-jaw inner gear ring is performed; fourthly, carburizing treatment of the three-jaw inner gear ring is performed; fifthly, tempering of the three-jaw inner gear ring is performed; and sixthly, grinding and packaging are performed. The method is scientific and precise, the strength and comprehensive mechanical performance of gear teeth of the three-jaw inner gear ring are improved, the torque transmission capacity is improved, the bearing capacity of convex jaws is improved, and the service life of the three-jaw inner gear ring is prolonged.

A silicone oil fan clutch used in vehicles engine fan cooling system includes active disk, active axle, bearings, rear cover, fore cover, baffles and valve block, the labyrinth groove between the fore cover and the active axle is double-surface multi-ring triangular labyrinth groove. It greatly increases the capability of transmitting torque.

The invention relates to a high-speed and large-torque waveform membrane disc flexible coupling and belongs to the technical field of driving equipment. The high-speed and large-torque waveform membrane disc flexible coupling comprises flexible mounting discs, adapting discs, locating rings and a spacing shaft, wherein the spacing shaft is located with the adapting discs by the locating rings and is connected with a transmitted torque through a second bolt assembly; two groups of the flexible mounting discs and the adapting discs are symmetrically arranged at two ends of the spacing shaft; the transmitted torque is connected between the flexible mounting discs and the adapting discs by a first bolt assembly; the flexible mounting discs are of integrated structures and specially comprise mounting discs and membrane discs; a molded surface of each membrane disc consists of a special curved surface feature between a molded surface outer ring and a molded surface inner ring and forms a waveform curved surface; and the axial thickness of the molded surface of each membrane disc is gradually increased from the molded surface outer ring to the molded surface inner ring. The high-speed and large-torque waveform membrane disc flexible coupling disclosed by the invention has the advantages of high torque transmitting capability, high rotating speed capability, high axial compensation capability, good dynamic balance retentivity, simple structure, light weight, and convenience and quickness in mounting, and has a safe flying preventing structure.

The present invention relates to a bonded hard alloy composite roll ring. It includes an iron base roll ring seat which can be fixed on the roll shaft, on said iron base roll ring seat a hard alloy ring is bonded, and on the iron base roll ring seat of the hard alloy ring one side a copper end surface ring also is fixedly connected; the described copper end surface ring is respectively bonded with iron base roll ring seat and adjacent hard alloy ring end surface, and mutually fixedly connected with said iron base roll ring seat by means of fixing bolt; and the described bonding adopts inorganic adhesive or organic adhesive, and at least is formed into a layer of bonding layer.

A need exists for a control device that would allow the rotational speed of a rotating electric motor to be reduced and the period of a lower rotational speed difference for the engagement-side engaging device of a transmission to be shortened during on-upshift control. A control apparatus for a vehicle drive apparatus wherein a specific engagement device (SSC) is controlled to be in a state of sliding engagement, and the rotational speed of a rotating electric motor (MG) is reduced relative to the rotational speed of an internal combustion engine (ENG) when the rotational speed difference (DELTA W1) of the engagement-side engaging device is reduced during on-upshift control.

The purpose of the present invention is to provide a one-way clutch that is simple and easy to manufacture, can be made compact in the axial direction, is compact and lightweight, is resistant to breakage, and can prevent abrasion of an inner peripheral engagement surface and an outer peripheral engagement surface of a cam during high-speed idling. This one-way clutch is provided with an inner ring (110) and an outer ring (150) that are disposed coaxially so as to be able to rotate relatively to one another, a plurality of cams (140) that are disposed between the inner ring (110) and the outerring (150) in the circumferential direction, and side plates (120), (130) that are disposed on at least the inner ring (110) or the outer ring (150) and are located on both sides of the cams (140) inthe axial direction. Each of the plurality of cams (140) receives a prescribed centrifugal force when the inner ring (110) and the outer ring (150) both rotate in the same direction and turns in thedirection of engagement with the inner ring (110) and the outer ring (150).