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40results about How to "Improve torque transmission" patented technology

Coaxial transmission, especially hollow shaft transmission for industrial drive engineering

ActiveUS20100024593A1High load distributionIncrease speedGearingHigh power densityIndustrial engineering
A coaxial transmission, especially a hollow shaft transmission for industrial drive engineering, having a high power density. The transmission comprises an input element (7), an element (3) and an output element, a drive torque being multiplied and transmitted between the input element (7) and the output element via a plurality of radially mobile toothed sections (5). At least one toothed section (5) has a bearing element (11) which is enlarged in its effective zone with respect to an input element (7).
Owner:WITTENSTEIN SE

Torsion vibration damper and damping device and torque transmission device

A torsion vibration damper for a drive train of a motor vehicle, in particular a drive train of a hybrid vehicle, comprising: a spring support and a force transmission flange configured rotatable relative to the spring support, wherein at least one compression spring is provided between the spring support and the force transmission flange for transferring a mechanical torque, wherein a housing of the spring support is configured so that in a radial direction of the torsion vibration damper, at least one longitudinal end of the compression spring is supported at / in the spring support housing and / or a clearance remains between windings of a center section of the compression spring and a wall of the spring support.
Owner:SCHAEFFLER TECH AG & CO KG

Swing internal contact type planetary gear device and rotation drive device

An easily structured swing internal contact type planetary gear device is proposed which can achieve a higher meshing ratio when an involute tooth profile is adapted. Each of an internal tooth of an internally toothed gear wheel and an external tooth of an externally toothed gear wheel is formed with an involute tooth profile. Under a driving condition, one of an internal tooth body of the internally toothed gear wheel and an external tooth body of the externally toothed gear wheel is elastically deformed in an extending direction and the other thereof is elastically deformed in a contracting direction so that the number of meshing teeth becomes larger than the number of meshing teeth under a non-driving condition.
Owner:JTEKT CORP

Coaxial transmission, especially hollow shaft transmission for industrial drive engineering

A coaxial transmission, especially a hollow shaft transmission for industrial drive engineering, having a high power density. The transmission comprises an input element (7), an element (3) and an output element, a drive torque being multiplied and transmitted between the input element (7) and the output element via a plurality of radially mobile toothed sections (5). At least one toothed section (5) has a bearing element (11) which is enlarged in its effective zone with respect to an input element (7).
Owner:WITTENSTEIN SE

Endoscope guide wire

The invention relates to an endoscope guide wire, which solves the problem that the conventional guide wire is easy to break, the problem that the pushing capacity is poor, the problem that the position into which the guide wire is inserted is difficult to judge and the like. The endoscope guide wire comprises a metal core wire and a visual identification mark covered on the surface of the metal core wire. The technical key points of the endoscope guide wire include: the metal core wire is made of an integrative elastic metal wire without a junction surface; the visual identification mark is arranged between the end part of a base section and the front end of a conical section of the metal core wire, and comprises a direct viewing mark part and an X-ray developing part; the direct viewing mark part is formed by a first direct viewing mark color ring, a second direct viewing mark color ring and a third direct viewing mark color ring which are connected alternately and have different colors; the X-ray developing part is formed by X-ray developing metal or an X-ray developing agent-containing envelope; and an ultrathin hydrophilic coating is covered on the surface of the visual identification mark. The endoscope guide wire has a reasonable structure; and on the basis of ensuring the direct vision and X-ray visuality which are required by the endoscope guide wire, the pushing capacity, sliding performance and the like of the guide wire inserted into an endoscope channel are improved comprehensively, and the operability and safety of the endoscope guide wire are improved obviously.
Owner:麻树人 +1

Non-slip transmissions particularly useful as continuously-variable transmissions and transmission members thereof

A continuously-variable transmission includes two transmission members each having coupling elements engageable to couple the transmission members for movement together. At least one of the transmission members is a rotary member rotatable about a rotary axis; and at least one of the groups of coupling elements is radially displaceable towards and away from the rotary axis to change the conversion ratio of the transmission. The coupling elements of one group on one transmission member are of a fixed configuration defining projections alternating with depressions each of a fixed configuration formed on a surface of the transmission member between opposite side faces and having the same pitch for every cross section of the surface perpendicular to the mentioned rotary axis. The coupling elements of the other group are of a self-adaptive configuration, each movable in opposite directions to adapt itself to the configuration of the fixed-configuration coupling elements in all displacement positions of the radially-displaceable coupling elements and to effect a non-slip coupling therewith.
Owner:CVTRON LTD

Swing internal contact type planetary gear device and rotation drive device

An easily structured swing internal contact type planetary gear device is proposed which can achieve a higher meshing ratio when an involute tooth profile is adapted. Each of an internal tooth of an internally toothed gear wheel and an external tooth of an externally toothed gear wheel is formed with an involute tooth profile. Under a driving condition, one of an internal tooth body of the internally toothed gear wheel and an external tooth body of the externally toothed gear wheel is elastically deformed in an extending direction and the other thereof is elastically deformed in a contracting direction so that the number of meshing teeth becomes larger than the number of meshing teeth under a non-driving condition.
Owner:JTEKT CORP

Electric heating extrusion disc magneto-rheological and electromagnetic bearing bush friction combined transmission device

The invention discloses an electric heating extrusion disc magneto-rheological and electromagnetic bearing bush friction combined transmission device. The electric heating extrusion disc magneto-rheological and electromagnetic bearing bush friction combined transmission device comprises a driving shaft, a driven shaft and a transmission shell, wherein the part, located in a driven shell, of the driving shaft is expanded to form a transmission section; two armature tiles are symmetrically arranged on the transmission section, and a guide column and a compression shape memory alloy spring are arranged in the middle of the inner side of each armature tile; a liquid containing groove is formed in the outer side of each armature ring, and each liquid containing groove is filled with magnetorheological fluid; extrusion discs are correspondingly arranged between two ends of the transmission section and a left end cover and between two ends of the transmission section and a right end cover, and the guide rods and the extrusion shape memory alloy springs are arranged at one sides, close to the transmission section, of the extrusion discs; a gap between the extrusion disc close to the left end cover and the left end cover and a gap between the extrusion disc close to the right end cover and the right end cover are also filled with magnetorheological fluid. According to the electric heating extrusion disc magneto-rheological and electromagnetic bearing bush friction combined transmission device, the influence of temperature on the magnetorheological fluid can be reduced, the transmission performance of the transmission device is improved, and the stability of torque transmission is ensured; and heat energy is fully converted and utilized, so that energy waste is reduced.
Owner:CHONGQING UNIV OF TECH

Apparatus with active material surface in contact with pheological fluid and method of enhancing performance thereof

An apparatus is provided having an active material forming a surface thereof in contact with a rheological fluid. The active material is controllable to vary a surface geometry thereof between a rough or nonsmooth surface geometry to increase drag, and achieve an increase in stress transmitted through the fluid, when a field is applied, while allowing a smooth surface geometry and an associated reduction in stress transmitted through the fluid when the field is removed. A method of enhancing performance of an apparatus that includes a rdeological fluid is also provided.
Owner:GM GLOBAL TECH OPERATIONS LLC

An aerodynamic lifting device

ActiveUS20160152338A1Improve torque transmissionReducing lifting device weight and complexity and risk of failureToy aircraftsAir-cushionRotational axisTangential force
An aerodynamic lifting device comprises a chassis (200); a rotor (120) having a rotational axis (R) and a plurality of rotor blades (123) disposed in an annular ring about the rotational axis (R) supported by the chassis (200); and a torque transmission means (126,130,139) to provide tractive force for rotating the rotor (120). The torque transmission means (126,130,139) co-operates with at least one complementary and circumferentially extending drive surface (126a, 126b) of the rotor (120) to transmit tractive force as tangential forces and resultant torque sufficient to drive the rotor (120) and thereby generate lift. The aerodynamic lifting device may be used in airborne craft which may be deployed for waterborne use with a buoyant chassis (200), especially of toroidal shape, for elevating the rotor (120) above a water surface (300) during take off and landing.
Owner:ENTECHO (PTY) LTD

Vehicle gear-type speed changer and motorcycle speed reducer

Out of a plurality of speed change gears on one of an input shaft and an output shaft, for example, on the output shaft, two adjacent speed change gears disposed via an axial space therebetween are axially fixed and rotatably fitted around the output shaft. A dog ring for a dog clutch disposed between the speed change gears is fixed around the output shaft and axially slidably fitted thereto. The speed change gears on the output shaft and the dog ring are each provided with an engagement portion for the dog clutch engaged and disengaged by axial shift of the dog ring. The two speed change gears on the input shaft meshing with the two speed change gears on the output shaft are provided integrally with the input shaft.
Owner:KAWASAKI MOTORS LTD

Monkey wrench

ActiveCN103203703AIncrease forceRequirements for lower fit accuracySpannersWrenchesWrenchMoving parts
The invention discloses a monkey wrench, which comprises a wrench body and a worm wheel, wherein the wrench body comprises a handle and a working part; the working part comprises a fixed part, a moving part and a chute; the lower end of the moving part is arranged in the chute; the bottom edge of the lower end of the moving part is provided with a tooth part; the working part comprises a through hole; the worm wheel is arranged in the through hole and meshed with the tooth part; when the worm wheel is rotated, the worm wheel and the tooth part function to drive the moving part to move towards or away from the fixed part; and threads of the worm wheel have at least two spiral lines. The monkey wrench can quickly adjust the distance between the moving part and the fixed part, and increase the torque borne by the worm wheel.
Owner:HANGZHOU GREAT STAR TOOLS

Magnetic friction clutch

A magnetic friction clutch has two clutch parts, supported so that they can rotate relative to each other around an axis of rotation. A first clutch part has at least two clamping jaws which are movable somewhat toward and away from each other. A second clutch part, situated between the clamping jaws, is of disk-shaped design. The clamping jaws are pressable against the second clutch part by the magnetic force of a variable magnetic flux which is carried in the clutch parts in a soft magnetic material, in order to form a frictionally engaged connection between the clutch parts. The second clutch part has a plurality of soft magnetic ring zones permeated by the magnetic flux, which extend in the circumferential direction and are separated from each other in the radial direction by slots running in the circumferential direction. Ring zones adjacent to each other in the radial direction are connected with each other by bridging links. The slots are filled with a solidified casting material that connects the ring zones with each other. Inner and / or outer circumferential surfaces of the ring zones that face each other follow a line that deviates from a circular line running concentric to the axis of rotation. The second clutch part can have a plurality of layers made of different soft magnetic materials.
Owner:SCHAEFFLER TECH AG & CO KG

Crawler track or crawler track segment

The invention relates to a crawler track (10) for a crawler track vehicle (100) which is suitable for running on a drive wheel (110) and on bogie wheels (120). The crawler track has an outer ground contact side (2) and an inner wheel contact side (3). The inner wheel contact side (3) has a flat surface (4) from which a plurality of guidance horns (5) for guiding the crawler track during movement of the crawler track vehicle protrude. At least parts of the flat surface (4) are used as a running surface for the bogie wheels (120). Recesses (6; 6A, 6B) for the engagement of drive lugs (111) of the drive wheel (110) are provided in the flat surface (4).
Owner:迪尔土地防御系统股份有限公司

Pedal type gear-changing device of motorcycle

The invention relates to a motorcycle pedaling and gear-shifting device, which comprises a gear-shifting pedal (1) and a drive rod (5), wherein one end of the gear-shifting pedal (1) is fixed with a gear-shifting pedal shaft (2); and the drive rod (5) is connected with an adapter coupling (4). The device is characterized in that one end of the gear-shifting pedal shaft (2) is connected with the gear-shifting pedal (1), while the other end is connected with the first adapter coupling (4) through a spline. The device combines a mounting shaft of the gear-shifting pedal and a mounting shaft of the drive rod into a whole to make the gear-shifting pedal have a compact structure, improves the gear-shifting torque transmitting efficiency and improves the whole structure strength of a gear-shifting operating mechanism so as to realize labor conservation and comfort during gear shifting. Because the structure is simpler and the dimension volume is smaller, the materials are saved, the manufacturing process is simplified, and the manufacturing cost is reduced.
Owner:力帆科技(集团)股份有限公司

Toothing for operation at a deflection angle and production method

The invention relates to a toothing (1), in particular of a drive spindle for driving a roll (13) in rolling mills or continuous casting plants, which comprises several teeth (2) and meshes with a second toothing in the manner of a spline, wherein a flank line (12) of the teeth (2) has a curvature and a deflection angle is formed between the rotational axis of the second toothing and the rotational axis of the toothing, wherein the toothing (1) is designed as having at least one of the following modifications: a tooth root relief of the teeth (2), and / or a tooth tip relief of the teeth (2), and / or a twist of the teeth (2).
Owner:SMS GRP GMBH

Axle system with a planetary support structure

An axle system is provided herein. In one example, the axle system includes a gearbox housing at least partially enclosing a gearbox and a planetary gearset that is rotationally coupled to an output of the gearbox and positioned co-axial with a rotational axis of an axle shaft in a differential. The planetary gearset includes a ring gear grounded by a planetary support that is attached to the gearbox housing.
Owner:DANA HEAVY VEHICLE SYSTEMS GROUP LLC

Disposable embolism protective umbrella

The invention relates to the technical field of medical equipment, in particular to a disposable embolism protective umbrella. The disposable embolism protective umbrella comprises a transportation guide wire, a filter screen net bag and a conveying and recycling sheath tube, wherein the transportation guide wire comprises a far-end guide wire and a near-end guide wire, the far-end guide wire and the near-end guide wire are located on the same straight line, and the end, away from the near-end guide wire, of the far-end guide wire is sleeved with a spring which can stretch and retract in the direction of the far-end guide wire. The transportation guide wire in the embolism protective umbrella is formed by the far-end guide wire and the near-end guide wire in a split mode, the far-end guide wire and the near-end guide wire are kept connected through a fixing sleeve, and the structural strength of hard connection between the far-end guide wire and the near-end guide wire can be reduced; and a hypotube is additionally arranged in the middle of the fixing sleeve, the flexibility of the fixing sleeve is further improved through the hypotube, the whole guide wire structure can be slightly bent at the fixing sleeve, and meanwhile medical staff can push the transportation guide wire in the conveying sheath tube more conveniently.
Owner:谱高医疗科技(南京)有限公司

Rotor, asynchronous machine and use of a pressure disc

The present invention relates to a rotor for an asynchronous machine, comprising a rotor shaft (10), rotor elements which are magnetically active in operation and comprise a sheet metal laminated core(11), short-circuit bars (12) and short-circuit rings (13, 14), pressure discs (15, 16), between which at least the sheet metal laminated core (11) is arranged, the pressure discs (15, 16) being axially connected to at least one of the rotor elements, and at least one form-fit element (17) which connects one of the pressure discs (15, 16) and one of the rotor elements, wherein a play or a gap (18) is formed between the sheet metal laminated core (11) and the rotor shaft (10), the pressure discs (15, 16) are connected to the rotor shaft (10) in a torque-transmitting manner and the form-fit element (17) connects one of the pressure discs (15, 16) and one of the rotor elements for transmitting a torque between the rotor shaft (10) and the rotor elements in the circumferential direction of the rotor shaft (10), wherein the torque is introduced by the rotor elements during operation. The invention further relates to an asynchronous machine and to the use of a pressure disc.
Owner:THYSSENKRUPP AG

Three-dimensional developing coronary artery guide wire

The invention provides a three-dimensional developing coronary artery guide wire which comprises a guide wire mandrel, wherein the guide wire mandrel comprises a torsion control section with an insulated periphery and a soft section fixedly connected to the front end of the torsion control section, the torsion control section is used for controlling operation of the guide wire, a first head end electrode is arranged at the head end of the soft section, and a second head end electrode is arranged at the tail end of the soft section, a second head end electrode is arranged at the position, located behind the first head end electrode, of the outer side wall of the soft section, a first tail end electrode is arranged at the tail end of the torsion control section, a second tail end electrode is arranged at the position, located in front of the first tail end electrode, of the outer side wall of the torsion control section, and the second head end electrode and the second tail end electrodeare exposed outside; the first head end electrode is electrically connected to the first tail end electrode, and the second head end electrode is electrically connected to the second tail end electrode. Through three-dimensional positioning and electrical characteristics, the use of X-rays can be greatly reduced finally, operation safety is improved, and radiation injury to patients and medical staffs is greatly reduced.
Owner:WUHAN LVDONG MEDICAL TECH CO LTD

Magnetic friction clutch

A magnetic friction clutch has two clutch parts, supported so that they can rotate relative to each other around an axis of rotation. A first clutch part has at least two clamping jaws which are movable somewhat toward and away from each other. A second clutch part, situated between the clamping jaws, is of disk-shaped design. The clamping jaws are pressable against the second clutch part by the magnetic force of a variable magnetic flux which is carried in the clutch parts in a soft magnetic material, in order to form a frictionally engaged connection between the clutch parts. The second clutch part has a plurality of soft magnetic ring zones permeated by the magnetic flux, which extend in the circumferential direction and are separated from each other in the radial direction by slots running in the circumferential direction. Ring zones adjacent to each other in the radial direction are connected with each other by bridging links. The slots are filled with a solidified casting material that connects the ring zones with each other. Inner and / or outer circumferential surfaces of the ring zones that face each other follow a line that deviates from a circular line running concentric to the axis of rotation. The second clutch part can have a plurality of layers made of different soft magnetic materials.
Owner:SCHAEFFLER TECH AG & CO KG

electrical connector

The invention discloses an electrical connector, comprising: an electrical connection device, including a first electrical connection terminal and a second electrical connection terminal that are mated and plugged; The transmission shaft and the second transmission shaft on the outside of the second electrical connection terminal; one end of the first transmission shaft is fixedly connected with the coaxial first rotary terminal, and a transmission key is arranged on the outside; one end of the second transmission shaft is fixedly connected with the coaxial The inner side of the hollow second rotary terminal is provided with a spirally descending curved guide surface, which is hollow inside and nested coaxially with the first rotary terminal. Under the guidance of the guide curved surface, the first rotary terminal rotates relative to the second rotary terminal so that the transmission key enters the transmission groove to achieve clamping, and drives the first electrical connection terminal to match and insert with the second electrical connection terminal. The invention can realize precise mechanical motion transmission while ensuring electrical connection.
Owner:SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI

Push type speed change mechanism

The invention relates to a push type speed change mechanism which is provided with a base. The base is provided with a driving piece capable of rotating and is fixedly provided with a plurality of fixing discs, a plurality of cam parts are formed on the driving piece, the multiple fixing discs are each provided with a plurality of transmission rolling pieces capable of achieving radial displacement, the transmission rolling pieces can abut against the multiple cam parts to protrude out of the outer edge wall face, an annular continuous concave-convex structure is formed on the inner edge wallface of a transmission block, and the multiple transmission rolling pieces abut against the continuous concave-convex structure; the aim of speed change transmission is achieved through contact between the transmission rolling pieces and the continuous concave-convex structure of the transmission block, existing gear type speed reduction transmission is replaced, and the phenomenon of speed changemechanism damage caused by stress concentration is avoided; and meanwhile, a plurality of cam parts are adopted by the driving piece to drive the multiple transmission rolling pieces to achieve radial displacement, and the high-torsion transmission effect is achieved accordingly.
Owner:MIHUMIS TECH CO LTD

Round log sliding table saw with saw blade replaceable at random

ActiveCN104385381ARealize free replacementNo thickness limitCircular sawsSheet materialEngineering
The invention aims at providing a round log sliding table saw with a saw blade replaceable at random. The round log sliding table saw with the saw blade replaceable at random comprises a T-shaped machine frame, a motor, an upper shaft mechanism installed on the machine frame, a lower shaft mechanism and a lifting mechanism. The round log sliding table saw with the saw blade replaceable at random can saw various diameters of timber, and does not limit the thickness and the width of a sheet material.
Owner:YANCHENG SILU INFORMATION TECH SERVICE CO LTD

adjustable wrench

The invention discloses an adjustable wrench, comprising a wrench body and a worm wheel; the wrench body includes a handle and a working part; the working part includes a fixed part, a movable part and a chute; the movable part The lower end of the movable part is set in the chute, and the bottom edge of the lower end of the movable part is provided with a tooth part; the working part also includes a through hole, and the worm wheel is set in the through hole and meshes with the tooth part; When the worm wheel is rotated, the worm wheel interacts with the tooth portion, thereby driving the movable portion to move toward or away from the fixed portion; the thread of the worm wheel has at least two helical lines. The adjustable wrench of the invention can quickly adjust the distance between the movable part and the fixed part, and increase the torque that the worm wheel can bear.
Owner:HANGZHOU GREAT STAR TOOLS

Endoscope guide wire

The invention relates to an endoscope guide wire, which solves the problem that the conventional guide wire is easy to break, the problem that the pushing capacity is poor, the problem that the position into which the guide wire is inserted is difficult to judge and the like. The endoscope guide wire comprises a metal core wire and a visual identification mark covered on the surface of the metal core wire. The technical key points of the endoscope guide wire include: the metal core wire is made of an integrative elastic metal wire without a junction surface; the visual identification mark is arranged between the end part of a base section and the front end of a conical section of the metal core wire, and comprises a direct viewing mark part and an X-ray developing part; the direct viewingmark part is formed by a first direct viewing mark color ring, a second direct viewing mark color ring and a third direct viewing mark color ring which are connected alternately and have different colors; the X-ray developing part is formed by X-ray developing metal or an X-ray developing agent-containing envelope; and an ultrathin hydrophilic coating is covered on the surface of the visual identification mark. The endoscope guide wire has a reasonable structure; and on the basis of ensuring the direct vision and X-ray visuality which are required by the endoscope guide wire, the pushing capacity, sliding performance and the like of the guide wire inserted into an endoscope channel are improved comprehensively, and the operability and safety of the endoscope guide wire are improved obviously.
Owner:麻树人 +1

Monkey wrench

The invention discloses a monkey wrench, including a wrench body and a worm wheel. The wrench body comprises a handle and a working portion. The working portion comprises a fixing portion, a movable portion, and a sliding groove. The lower end of the movable portion is arranged in the sliding groove. The bottom edge of the lower end of the movable portion is provided with a tooth portion. The working portion also comprises a hole. The worm wheel is arranged in the hole, and is meshed with the tooth portion. When the worm wheel rotates, the worm wheel and the tooth portion act, to drive the movable portion to move toward or far away from the fixing portion. Threads of the worm wheel have at least two spiral lines. The monkey wrench also comprises a pin shaft and a pin hole on the wrench body. The pin shaft passes through the pin hole and is axially arranged in the worm wheel. The worm wheel can rotate around the pin shaft. The side wall of the pin shaft has a groove. An elastic piece isarranged in the groove. An inner surface of the worm wheel has an abnormal shape surface, and the abnormal shape surface is arranged to be able to cooperate with the elastic piece so that the elasticpiece blocks rotation of the worm wheel. The monkey wrench can rapidly adjust distance between the movable portion and the fixing portion, and torque the worm wheel can bear is increased.
Owner:HANGZHOU GREAT STAR IND CO LTD +1

Disassembly and assembly tool for floating valve core and float valve using same

The invention discloses a disassembly and assembly tool for a float valve core and a float valve using the same. The disassembly and assembly tool for the float valve core comprises a rotary handle, aconnecting rod, a righting ring and a cross wrench, wherein the rotary handle is connected to the top end of the connecting rod, the cross wrench is connected to the lower end of the connecting rod,and the connecting rod between the rotary handle and the cross wrench is provided with the righting ring. The disassembly and assembly tool is low in manufacturing cost and convenient to use; and theexternal thread float valve core which is installed by the disassembly and assembly tool and an internal thread float valve joint do not generate a series motion, so that abrasion between the externalthread float valve core and the internal thread float valve joint is avoided, the service life of the float valve is prolonged, and the safety of a downhole tool and the well control safety are moreeffectively guaranteed.
Owner:CHINA NAT OFFSHORE OIL CORP +1
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