45results about How to "Increase torque value" patented technology

A mechanism for transmitting rotational power comprising: a link extending along a closed loop and continued by a succession of portions each having a longitudinal direction tangent to the closed loop; and temporary unification means comprising a plurality of self-locking means distributed at least along an active portion of a first drive circle, and comprising at least one rigid locking element simultaneously pressing against a first support surface of the first rotating element and a second support surface of a link portion facing the locking element. The first and second support surfaces are arranged so that one locking element of the first drive circle active portion is jammed between the support surfaces and is capable of self-unlocking when the corresponding self-locking means leaves the active portion. One of the support surfaces is a tangential gripping surface that is parallel to the longitudinal direction of the link portion against which the locking element presses.

Coupling for transmission of a rotational movement from a driving member to a driven member, comprising permanent magnets which are integral with the driving member and permanent magnets which are integral with the driven member, said permanent magnets having a matching polarity (N-N;S-S) and lying in respective radial planes parallel to the axis of rotation and situated opposite each other so that each pair of oppositely facing magnets produces a corresponding magnetic repulsion force. The magnet transmission force transmits the rotational movement from the driving member to the driven member.

The invention is a swing head wrench, including a driving head and a pivot set on the handle of the driving head, one end of the driving head drives screw pieces and the other end is set with a convex pivot part and one end of the handle opposite to the pivot part is set with a concave clip part, and a bolt passes through the pivot part and the clip part, a clip-pull mechanism set in the handle, the outer edge of the pivot part includes two first sections and a the second section set between the two first sections, the second section is set with teeth, and the arc surfaces of the two fist sections are higher than the tooth roots of the second section. It can effectively lift the torsional value undertaken, and its driving head can generate relative pivot swing at a small angle, making it able to be universally used in the operation in narrow space.

An injector comprises a cylindrical body portion, a holding ring capable of centering an axial center of the injector, and a small-diameter cylindrical portion. There are provided an assembly forming step of forming a fuel rail assembly by inserting the injectors into respective cup portions via spring members for reaction force absorption, a press inserting step of pressing and inserting respective tip-side portions of the injectors by pressing pressure-receiving portions such that the respective spring members are compressed up to a middle compressive state thereof with a pressing movable apparatus which is capable of pressing the pressure-receiving portions of a fuel rail via respective pressing springs, and a fastening step of fastening plural boss portions concurrently to a cylinder head in a state in which a pressing force of the press inserting step is maintained.

The system is of a type including a flange (5) and a set of conical internal rings (9) and external rings (8) combined to link by friction the flange to the shaft through the relative axial movement of the rings. Advantageously, the flange includes a rigid housing (7) with a cylindrical axial passage (7A) to receive coaxially the set of conical rings (8,9) and define between the inner surface of the passage (7A) and the outer surface of the external ring (8) an annular space (10) in which can be engaged the end (2A) of the shaft and of which the external ring (8) is elastically and radially deformable.

A fibre reinforced rock dowel (10) for use in reinforcing strata or the like has a generally cylindrical shank (12) having a longitudinal axis and defines one or more groups of mixing vanes (16, 18, 20) projecting from the shank, and a threaded end (14) for the attachment of a nut (13). The dowel is reinforced by inner (21a) and outer (21b) filaments extending generally along the longitudinal axis. At least the outer filaments extend in a generally helical path through the dowel with outer filaments extending in a helical path in the opposite sense to the thread of the threaded end. The dowel is manufactured by a process in which continuous fibre filaments (7) are drawn through a resin filled bath (6) into a press (4) with fixed lower and movable upper heated dies so that when the press closes it moulds the shape of the dowel, in a process known as pulforming”, with the cured dowel attached to the filaments being rotated about its longitudinal axis to impart twist to the fibres in the dies (4a, 4b).

The invention discloses an object class identification method. The method is applied to sorting equipment. The sorting equipment comprises a mechanical arm and a driver used for driving the mechanicalarm. The object class identification method comprises the following steps of acquiring image information of an object; acquiring the torque information of the driver when the driver drives the mechanical arm to lift the object upwards; and obtaining the volume of the object according to the image information, and obtaining the density of the object according to the volume and the torque information of the object so as to obtain the class of the object according to the density of the object. According to the method and the equipment, the torque information of the driver when the driver drivesthe mechanical arm to lift the object upwards is obtained by utilizing torque collecting and feedback functions of the driver, the weight of the object is obtained according to the torque information,and the weight of the object does not need to be obtained by additionally utilizing a sensor. In addition, the invention further discloses the sorting equipment.

The invention provides a three-way ratchet wrench which comprises a body, a ratchet piece, two clamping pieces and a control piece, wherein one end of the body is provided with a drive part, the drivepart is connected with a holding part and is provided with a first accommodation part, a second accommodation part and a third accommodation part; the ratchet piece is rotatably arranged in the firstaccommodation part of the body, teeth are circularly arranged on the side wall surface of the outer edge of the ratchet piece; the two clamping pieces are respectively arranged at two ends in the accommodation part of the body in a slip way, one side of each clamping piece opposite to the ratchet piece is provided with teeth, the first ends of the two clamping pieces facing to the ratchet piece are respectively provided with a guide part; the control piece is pivoted in the third accommodation part of the body, one end of the inner side of the control piece is provided with a direction control part, and the direction control part can selectively push the guide parts of the clamping pieces, wherein the depth of the third accommodation part does not exceed the center line of the second accommodation part to enable the first ends of the clamping pieces to largely support against the wall surface of the second accommodation part of the body, thereby improving the torque force born by theclamping pieces.

In one embodiment, an enhanced hex key comprises a hex key composed of a first material (e.g., a metal such as steel) and non-marring, protective sleeve composed of a second material fitted onto the hex key bit portion of the hex key. In one embodiment, the sleeve may be comprised of a thermoset material such as, preferably, a glass reinforced thermoset plastic. The sleeve has a hexagonally-shaped inner surface that fits onto the hex key bit, and a hexagonally-shaped outer surface that fits, e.g., into fasteners of a specified size. The sleeve may be connected to the hex key bit by an adhesive. The sleeve may additionally be connected to the hex key bit using a screw such as, e.g., a set screw. Alternatively, the sleeve may be pinned to the hex key bit using a pin such as, e.g., a dowel pin. Tools with non-marring surfaces are also disclosed.

The Intramedullary Nail System including Tang-deployment Screw with Male Interface includes a nail for insertion into the intramedullary canal of the femur and a lag screw for insertion through the nail, into the femoral head of the femur.The nail is held within the intramedullary canal of the femur, affixed internally by the lag screw and tangs, without the use of screws that penetrate the surface of the bone, and without requiring significant x-ray exposure.For nails of small diameter, a coupler, with two female ends, allows the diameter of the male / female interface between the driver and the actuator, which in turn extends the tangs, to be increased. This increase is possible because the lower section of the nail, where the talons are stored prior to extension, is of a larger diameter than the remainder of the nail.

An oil lubricated compressor having a universal motor, efficient starting and re-starting characteristics, and a long operating life. The oil lubricated compressor can have a brushed or brushless universal motor which can drive a cooling fan and a pump. The universal motor can achieve a high torque to voltage ratio, as well as a high torque to current ratio, upon starting or re-starting of the compressor. Optionally, the oil lubricated compressor can use a single cooling fan disposed in the compressor at a location which is between the universal motor and a cylinder head of the pump.

A reciprocating apparatus for high torque transfer to a fitting, including tightening or loosening, having two coaxially synchronized engageable drive members provided with a sector geared radial flange engageable with an engageable rotatable drive gear, one internally supported split ratchet gear and drive socket maintained in contact with a spring biased ratchet pawl, together simultaneously rotatable in a first driving direction and independently disengageable in a second direction for reciprocative advancement of a ratchet geared socket in driving engagement with a fitting.

Roller actuating device for flattening machines used for metal products in the shape of sheet metal, strips or the like, also used with similar machines for other applications, comprising a device for transmitting motion to driven rolls (8), extremely functional and capable of transmitting higher torques as well as their independent control. Such device overcomes the frequent problems concerning the space available for installing gimbal adapters. This can be achieved by using adapters (4) provided with teeth which, with the same flange diameter, are able to provide higher torques, and in any case, can be used in any applications in which it is necessary to have reduced operating angles of the adapters.

The invention relates to an internal combustion engine (1), comprising at least one combustion chamber (2) and an exhaust gas system (3) arranged on an exhaust gas outlet channel (5), the exhaust gas system having at least one secondary air injection device (4) for injecting secondary air into the exhaust gas system (3) between the combustion chamber (2) and an exhaust emission control system (5) arranged in the exhaust gas system (3), wherein during operation of the internal combustion engine (1), a residual gas content in the combustion chamber (2) can be changed, and a secondary air injection point (4') on the exhaust gas system (3) is arranged so far from the combustion chamber (2) that injected secondary air flows back into the exhaust gas outlet channel (5) due to backflowing exhaust gas in the exhaust gas system (3) but does not flow back into the combustion chamber (2). The embodiment according to the invention makes it possible to comply with SULEV emissions limits even for engines having many combustion chambers and / or exhaust gas turbochargers, for which a SULEV certification previously seemed impossible.

The invention relates to a platform gate motor maximum current recognition method under wind pressure and a platform gate control method. The platform gate motor maximum current recognition method under the wind pressure comprises the following steps that firstly, a current ring is started, whether a motor is normally started or not is judged, and if start is normal, the next step is conducted; secondly, the current of the current ring is gradually increased, whether the motor is normally started or not is judged, if the motor is normally started, the next step is conducted, and if the motor is not normally started, the current of the current ring is continuously increased; and thirdly, according to the current set current ring current during normal start of the motor, the allowed runningmaximum current of the motor is calculated according to the corresponding formula. By means of the platform gate motor maximum current recognition method under the wind pressure and the platform gatecontrol method, the motor allowed running maximum current under the situation of platform gate hindering due to the wind pressure and other factors can be well calculated, the platform gate control method is achieved, accordingly, the wind pressure is overcome, and a platform gate can be safely and completely opened and closed; and meanwhile, the situation that clamping force generated during platform gate closing is excessive when the current is increased to be excessive is avoided, and passengers are prevented from being mistakenly hurt.

A mechanism for transmitting rotational power comprising: a link extending along a closed loop and continued by a succession of portions each having a longitudinal direction tangent to the closed loop; and temporary unification means comprising a plurality of self-locking means distributed at least along an active portion of a first drive circle, and comprising at least one rigid locking element simultaneously pressing against a first support surface of the first rotating element and a second support surface of a link portion facing the locking element. The first and second support surfaces are arranged so that one locking element of the first drive circle active portion is jammed between the support surfaces and is capable of self-unlocking when the corresponding self-locking means leaves the active portion. One of the support surfaces is a tangential gripping surface that is parallel to the longitudinal direction of the link portion against which the locking element presses.

The invention relates to an improved wrench tool structure which comprises a wrench body. A ratchet wheel is provide with a plurality of ratchets; each first auxiliary tooth and a corresponding second auxiliary tooth of a ratchet block are respectively positioned on two sides of a corresponding main tooth; when the ratchet block is meshed towards a first direction and a second direction, each main tooth is meshed with the optional ratchet, two sides of each main tooth cling to tooth surfaces of the corresponding ratchet, opposite tooth surfaces of the multiple first auxiliary teeth and the multiple second auxiliary teeth are meshed with the multiple ratchets, and gaps are reserved between reverse tooth surfaces of the various first auxiliary teeth and the various second auxiliary teeth and the tooth surfaces of the various ratchets. The improved wrench tool structure has the advantages that when the ratchet block is meshed with the ratchet wheel towards the first direction or the second direction, contact areas of the opposite tooth surfaces of the first auxiliary teeth and the second auxiliary teeth of the ratchet block and the tooth surfaces of the ratchets are small, accordingly, tooth jumping can be smoothly carried out by the ratchet block, and abrasion loss of the main teeth, the first auxiliary teeth and the second auxiliary teeth can be reduced.

The invention provides a busway connector with high protection level, which is provided with a positioning boss to ensure reliable and fast installation of the connector and stable dimensions; a waterproof sealing ring and a waterproof sealing strip are provided, which can play a better waterproof effect. , to ensure that the connector is in a dry state, avoid short circuit between lines, and the protection level can reach IP65; the maximum torque of the torque bolt is 70Nm, the torque value is high, and the performance is stable; the four-corner nut is located at the opening of the limit slot. This structure can ensure that the nut will not rotate with the bolt during the process of screwing the torque bolt, so that the tightening operation is more convenient; the torque bolt is provided with an inner head, an outer head, and a gasket. , the outer head will be disconnected, so the installation is convenient without torque wrench inspection. The setting of the gasket can prevent the staff from carelessly clamping and screwing the outer head and inner head of the torque bolt with a wrench at the same time, resulting in the occurrence of the outer head Unbreakable condition.

The invention provides a sealing adhesive and a preparation method thereof. The sealing adhesive is prepared from in parts by weight: 20-40 parts of ethoxylated bisphenol A dimethacrylate, 5-20 parts of modified E-44 epoxy resin, 0.2-5 parts of lauryl acrylate, 30-60 parts of triethylene glycol dimethacrylate, 1-5 parts of initiator, 0.001-0.05 part of stabilizing agent, 0.5-4 parts of accelerator, 0.02-5 parts of secondary accelerator, 0.05-1.5 parts of metal chelating agent and 4-6 parts of filler. The preparation method comprises the following steps of: except the accelerator, mixing other raw materials and heating to raise the temperature; stirring at the temperature of 55-70DEG C for 3-5 hours to completely dissolve the solid; and then cooling to reduce the temperature, adding the accelerator at the temperature of 40-50DEG C and uniformly stirring to obtain the sealing adhesive. The sealing adhesive maintains all advantages of acrylate resin adhesives and remarkably improves the toughness, the torque value, medium resistance and low temperature resistance.

The invention aims to provide a motor torque following method when an electric vehicle exits a standing slope, which makes the response of the electric vehicle faster and starts more smoothly. The method of the invention comprises the following steps: (1) detecting the actual standing slope torque of the automobile when the automobile is currently stationed on the slope; (2) detecting the throttleopening percentage when the driver presses the throttle; (3) according to the sum of the actual standing slope torque and the torque value obtained by the throttle opening percentage when the automobile is currently stationed on the slope, as the motor driving torque value currently requested; (4) outputting the torque according to the motor drive torque value according to the current request; (5) When the throttle opening percentage reaches 100% or 0%, exiting the torque following mode, and the subsequent current motor drive torque request is outputted according to the normal torque output.The invention can be applied to the automobile control field.

The invention is a swing head wrench, including a driving head and a pivot set on the handle of the driving head, one end of the driving head drives screw pieces and the other end is set with a convex pivot part and one end of the handle opposite to the pivot part is set with a concave clip part, and a bolt passes through the pivot part and the clip part, a clip-pull mechanism set in the handle, the outer edge of the pivot part includes two first sections and a the second section set between the two first sections, the second section is set with teeth, and the arc surfaces of the two fist sections are higher than the tooth roots of the second section. It can effectively lift the torsional value undertaken, and its driving head can generate relative pivot swing at a small angle, making it able to be universally used in the operation in narrow space.

A nitrile rubber composition comprising 5 to 50 parts by weight of carbon black, 5 to 60 parts by weight of graphite having an average particle diameter of 5 μm or less, 5 to 50 parts by weight of conductive carbon other than these carbon black and graphite, and 0.5 to 3.5 parts by weight of 2,5-di-tert-butylhydroquinone or 2,5-di-tert-amylhydroquinone as an antioxidant, based on 100 parts by weight of nitrile rubber. The nitrile rubber composition can yield a vulcanization molded product, besides maintaining characteristics as a conductive material, satisfying muddy water resistance, sealing properties, and low torque characteristics required for rolling bearing oil seals for vehicles, etc., and having a rubber volume change kept low when the product is washed with water after exposure to an antifreezing agent.

An improved structure of a tilting head spanner is composed of a tilting drive head with a screw part driving end and a convex pivoting end, and a handle with a concave end for pivoting to said convex pivoting end via a pin in order to tilt the head, and a control mechanism in it for controlling the tilting of head. Said convex pivoting head has the first part with teeth and the second part with arc surface for strengthening it.

The invention relates to the technical field of communication cables, and provides a protection mechanism for take-up and pay-off of a communication cable. The protection mechanism comprises a mounting block, a fixed plate, a movable plate and an elastic recovery mechanism, wherein the mounting block is in a rectangular block shape, the two opposite sides of the mounting block are each provided with a guide mechanism for a cable to penetrate through, the fixed plate is in a rectangular plate shape, one end of the fixed plate is fixed on the mounting block, and first guide wheels are installed on the two opposite side faces of the end, away from the mounting block, of the fixed plate; the movable plate is in a rectangular plate shape, the movable plate and the fixed plate are located on the same side of the mounting block and rotationally connected to the mounting block through a hinge pin, and second guide wheels are installed on the two opposite side faces of the movable end of the movable plate correspondingly; and the elastic recovery mechanism is installed between the fixed plate and the movable plate so as to drive the fixed plate and the movable plate to be away from each other. The protection mechanism is simple in structure, can be conveniently matched with take-up and pay-off equipment for use, has a protection effect, protects the cable from being damaged in the take-up and pay-off process, and is convenient to use.

The invention provides a three-way ratchet wrench which comprises a body, a ratchet piece, two clamping pieces and a control piece, wherein one end of the body is provided with a drive part, the drive part is connected with a holding part and is provided with a first accommodation part, a second accommodation part and a third accommodation part; the ratchet piece is rotatably arranged in the first accommodation part of the body, teeth are circularly arranged on the side wall surface of the outer edge of the ratchet piece; the two clamping pieces are respectively arranged at two ends in the accommodation part of the body in a slip way, one side of each clamping piece opposite to the ratchet piece is provided with teeth, the first ends of the two clamping pieces facing to the ratchet piece are respectively provided with a guide part; the control piece is pivoted in the third accommodation part of the body, one end of the inner side of the control piece is provided with a direction control part, and the direction control part can selectively push the guide parts of the clamping pieces, wherein the depth of the third accommodation part does not exceed the center line of the second accommodation part to enable the first ends of the clamping pieces to largely support against the wall surface of the second accommodation part of the body, thereby improving the torque force born by theclamping pieces.

The invention relates to a spindle structure with torsion regulation, and the spindle provided by the invention is provided with a female shaft, wherein the female shaft is composed of a plurality of sheets which are connected in parallel, each sheet is provided with a base, one side of each base is provided with a beam barrel part, each beam barrel part is provided with a beam barrel piece which is formed by extending one end of each base towards the other end of each base, and the tail end of each beam barrel piece and each base form a notch; and when the plurality of sheets are parallelly connected into the female shaft, the notches of the plurality of sheets are positioned on the different sides of the female shaft, a male shaft and the beam barrel part rotate internally, the torsion value of one part of the sheets is increased, the torsion value of the other part of sheets is reduced, so that a manufacturer can easily collocate and design the required torsion value female shaft according with the torsion value required when the male shaft is subjected to positive rotation and reverse rotation.