45results about How to "Improve skid" patented technology

The present invention relates an electric rotating machine comprising a plurality of phase coils each composed of a plurality of partial coils each made by connecting segments each composed of an inside-slot conductor portion to be accommodated in each of slots of each of phase slot groups made in a stator core and an outside-slot conductor portion protruding from the slot. Of the plurality of partial coils constituting each of the phase coils, in each of the partial coils to be connected to an input/output terminal, its inside-slot conductor portion is accommodated in the slot other than end portions of the phase slot group in a circumferential direction of the stator core. This reduces the electric potential difference between the outside-slot conductor portion continuing thereinto and the outside-slot conductor portion of an adjacent phase coil, thereby improving the insulating performance.

The invention relates to a kinetic energy accumulator, comprising a plurality of rotatably mounted accumulator members (100, 198) positioned adjacent one another, an input drive mechanism (116) arranged to impart rotational drive to a first of the accumulator members, and velocity responsive coupling members (106, 192) arranged to provide for magnetic coupling of successive ones of the accumulator members when respective ones of the accumulator members are caused successively to rotate with an angular velocity equal to, or greater than, a predetermined velocity. The accumulator can store kinetic energy and thereby act as source of rotational drive. Hence, there is also provided a kinetic energy transfer system, comprising the kinetic energy accumulator (118), an energy transmitter mechanism arranged to apply drive from a kinetic energy source to the input drive mechanism (116) of the energy accumulator; and a load device coupled to, and arranged to be driven by, the energy accumulator when each of the accumulator members is rotating with an angular velocity equal to, or greater than, the predetermined velocity. The load device can be an electric generator or other device.

A device and method for controlling backpressure in a screw conveyor press including barrel and one or more conveyor screws in the housing is disclosed. The device includes a barrel block for forming an axial section of the barrel and having a pressure surface for facing the conveyor screw. At least a portion of the barrel block is deformable for adjusting a spacing between at least a portion of the pressure surface and the conveyor screw. An arrangement for deforming the deformable portion, for example a hydraulic or mechanical deforming arrangement, can be included. Substantially the whole barrel block can be made of deformable material, preferably elastically deformable material. The device can further include a casing for enclosing the barrel block and the arrangement for deforming can be positioned between the casing and the barrel block. The device provides for backpressure control independent of conveyor screw rpm.

The invention discloses a night-vision anti-slip safety screwdriver which comprises a handle and an operating rod connected at one end of the handle. The operating rod is provided with a screw sleeve coaxial with the operating rod, and one end of the screw sleeve sleeves the operating rod while the other end of the screw sleeve protrudes the end, away from the handle, of the operating rod. An elastic sleeve is arranged on the inner wall of the screw sleeve and positioned, away from the operating rod, on the inner wall of the screw sleeve. An LED (light emitting diode) lamp and a control switch thereof are arranged on the outer wall of the screw sleeve made of transparent plastic. Owing to the screw sleeve arranged on the operating rod, a screw can be conveniently screwed by putting the screw in the screw sleeve and guaranteed against deviating from a preset way, so that stab accidents are avoided effectively. Further, since the operating rod and the screw are both arranged in the screw sleeve, slipping between the screwdriver and the screw is effectively avoided to protect surfaces of parts from being punctured. In addition, the screwdriver is convenient for people to use at night by the aid of the LED lamp arranged on the screw sleeve.

The invention discloses an overall combined adjustment device for a wind-driven generator, comprising a reduction box installed on a baseframe, wherein, the high-speed end of the reduction box is connected with an electric generator, and the low-speed end is connected with a fan blade wheel. The device has the technical scheme that the reduction box and the electric generator are connected by a coupler comprising a coupler expansion sleeve; an electric motor installation seat is arranged on the baseframe on one side of the coupler, an electric motor is installed on the electric motor installation seat, and the coupler expansion sleeve is connected with a belt pulley on the electric motor by belts. The invention aims at overcoming the disadvantages of complicated system, high cost, inconvenient operation, low troubleshooting speed and low reliability of the prior art, and providing the overall combined adjustment device for the wind-driven generator, which boasts simple structure, low cost, convenient operation and high troubleshooting speed and reliability.

The invention relates to a process for making swaged lighting holes (1) in planar areas of parts (5) made of preimpregnated composite, by means of which the part (5) is arranged between a female tooling (11) with the final shape of the bottom side of the swaged part and a caul plate (19) with the final shape of the top side of the swaged part, except in an area (3) which must be swaged, pressure P1 is applied on the caul plate (19) in the area of the part (5) that must be maintained substantially planar, and pressure P2 is applied by means of a male tooling (17) on the area (3) of the part (5) which must be swaged at a forward speed allowing the flow of the resin during the slippage of the fibers of the material so that it may deform, adapting to the final shape of the female tooling (11).

The name of the present invention is a lamination tooling for motor stator cores, and relates to a tooling used for lamination of motor stator cores. It is mainly to solve the problem that the existing motor stator core lamination tooling cannot meet the requirements of the core lamination coefficient and the unevenness of the groove shape after lamination. question. The present invention includes a pressure tire arranged in the center hole of the base and a pressure die disposed on the other end of the pressure tire, and is characterized in that the pressure tire is a cylindrical body provided with upper and lower pressure plates, and the pressure tire is arranged in the center of the cylindrical body along the axial direction A support column is provided, and the two ends of the support column are respectively fixed on the upper and lower pressure plates, and fixed ribs and movable ribs are arranged on the outer wall of the tire cylinder, and the two ends of the fixed ribs and the movable ribs are respectively fixed on the upper and lower pressure plates. The pressure tire of the present invention has the functions of positioning and tensioning, can ensure the irregularity of the groove shape after the iron core is laminated, and is convenient for hoisting and dismounting;

A hydrostatic transmission includes a side having an upstream radial piston motor and a downstream radial piston motor. The motors are connected to each other in series via a connecting line. A flow control valve is configured to discharge pressure medium from the connecting line so that the downstream motor is only engaged in the event of a predetermined amount of slippage of the upstream motor. Each motor has at least two groups of working flanks. Each flank is configured to operatively interact with a high pressure, such that each motor has at least two transmission steps.

The invention discloses a spanner with a hexagonal ball end. A ball end is formed at one end of the spanner, can drive a to-be-driven member, is provided with a virtual working portion which can contact with the to-be-driven member, and comprises a first cambered surface. At least one concave portion and at least one meshed portion are formed on the first cambered surface; the concave portion is adjacent to the meshed portion which is in the same plane with the virtual working portion, and presents a concave shape relative to the virtual working portion; and the meshed portion can increase the friction between the ball end and the to-be-driven member.

The invention discloses an antiskid nail core which is of a two-section structure. The antiskid nail core comprises an antiskid nail core body and an antiskid nail core cap and the antiskid nail core body is of a cone structure. The antiskid nail core is characterized in that the antiskid nail core body is of a two-section structure; one section of the antiskid nail core body is a cone and the other section of the antiskid nail core body is a polygon cone; and the cone and the polygon cone have different tapers. The polygon cone of the antiskid nail core body is connected to the upper surface of the cone and the taper of the polygon cone is greater than that of the cone. According to the invention, by changing the cone of the antiskid nail core into the polygon cone, an antiskid nail can be effectively prevented from slipping in an antiskid nail core seat and antiskid performance of the antiskid nail is improved; and the antiskid nail with the polygon cone is particularly beneficial for preventing skidding on a pavement covered with ice and snow and the pavement covered with ice and snow can be effectively grasped by corner angles of the polygon cone so as to prevent a wheel from slipping.

Headgear, helmets, and related protective equipment having friction reducing interface elements are provided. The headgear includes a helmet shell having external surface and an internal surface; a headgear liner shaped and adapted to be received by the helmet shell, the head gear liner having an external surface positioned to contact the internal surface of the helmet shell; and at least one interface element positioned between the external surface of the headgear liner and the internal surface of the helmet shell. The at least one interface element provides at least some reduction in friction between the external surface of the headgear liner and the internal surface of the helmet shell. The headgear liner may comprise a fluid-filled headgear liner. The interface elements may provide surfaces at multiple elevations that assist in dispersing an impact load to the headgear liner. Methods of protecting the wearer of the headgear are also provided.

A single-layer sock preferably formed of interconnected pieces with at least one of the pieces strategically placed for stabilizing a foot within a shoe and at least one piece comprised of gripping material.

The invention discloses a cement concrete pavement grooving device for highway engineering, and relates to the technical field of highway engineering. The device comprises a fixing plate and a mounting shaft, a first inner cylinder and a second inner cylinder are arranged on the mounting shaft in a sleeving mode, one end of the first inner cylinder is inserted into the second inner cylinder and connected with the second inner cylinder, a first spring is connected between the first inner cylinder and the second inner cylinder, and the first inner cylinder is sleeved with a first connecting ring and rotationally connected with the first connecting ring; one side of the first connecting ring and one side of the second connecting ring are connected with auxiliary rods, one ends of the auxiliary rods are connected with guide blocks, the protective cover is connected with the bottom of the fixing plate, the guide blocks are connected with the protective cover, and the connecting direction of the guide blocks is the same as the axial direction of the mounting shaft. A rubber strip is arranged on the side, close to the grooving cutter, of the auxiliary rod. The grooving device has the advantages that the distance between the grooving cutters can be conveniently adjusted, and the surfaces of the grooving cutters can be cleaned.

The invention discloses a feeding device for a cloth paving machine. The feeding device for the cloth paving machine comprises a left fixed plate and a right fixed plate, wherein a feeding main frame is constructed by the left fixed plate and the right fixed plate, a power rotary drum and an upper rotary drum are mounted on the front end positions of the left and right fixed plate of the feeding main frame, a powerless rotary drum is mounted on the back end position of the left and right fixed plates, an auxiliary powerless rotary drum is arranged between the power rotary drum and the powerless rotary drum, the power rotary drum is driven by a motor and a speed reducer to rotate, a plurality of mutually-parallel rubber belts are sleeved between the power rotary drum and the powerless rotary drum, the power rotary drum stably rotates to drive the powerless rotary drum to rotate, the auxiliary powerless rotary drum is positioned under the rubber belts and used for tensioning the rubber belts, so that the cloth is fed in a manner of rotating stably on the rubber belts. With the adoption of the feeding device for the cloth paving machine, the slippage of the cloth in a feeding process and the tension-free cloth conveying are effectively improved, and the smoothness of the cloth is guaranteed.

The invention relates to a self-positioning approaching type unmanned card checking machine based on a soft air pressure roller. The machine comprises a card checking device, a position adjusting device and a supporting body, wherein the card checking device is provided with a shell, an RGB camera, a depth camera and a card inlet which are arranged on the front surface of the shell, and a soft air pressure roller type traction assembly and a card checking scanner which are arranged in the shell; the position adjusting device is connected with the card checking device and is used for driving the card checking device to carry out position adjustment in a vertical plane; the supporting body is connected with the position adjusting device and used for driving the position adjusting device to horizontally move in the front-back direction. Compared with the prior art, the device has strong compatibility with the thickness and the size of the pass card, and the traction effect is good; furthermore, mechanical faults caused by slipping in the card checking process can be avoided; and certain adaptability to the height position and the parking position of the vehicle can be achieved.