98results about How to "Avoid radial force" patented technology

A cap used during the insertion of an acetabular cup prosthesis. The cap comprises an impaction plate having an upperside and an underside. The impaction plate comprises a plurality of separate sectors mutually connected at a connection point on the impaction plate by means of flanges. Each sector includes interlocking means which in use enable the impaction plate to be connected to an introduction tool. The cap also comprises at least one lug extending downwardly from the underside of each sector. The lug is located at the portion of the underside of the impaction plate which will in use enable the lug to be interconnected with a corresponding recess on an internal wall, an external wall or a rim of a prosthesis.

The invention relates to a cone yarn overturning device and a working method and belongs to the field of automation of textile machines. The device comprises a conveying belt and an overturning devicebody; the overturning device body comprises an overturning installing frame which is an inverted-T-shaped frame and is arranged above the conveying belt in a striding manner; a lifting cylinder and avertical guide rail are arranged at the top end of the overturning installing frame; one end of the lifting cylinder is connected and provided with a lifting installing frame; the lifting installingframe is connected with the vertical guide rail through a slider; a clamping installing plate is arranged at one end of the lifting installing frame and is symmetrically provided with two clamping cylinders; the two clamping cylinders are each connected with a clamping connection plate through a horizontal clamping guide rail; the two clamping connection plates are connected with a clamping plate;a rotating cylinder is arranged at the other end of the lifting installing frame; and one end of the rotating cylinder is connected with the clamping installing plate. The clamping cylinders achieveclamping of cone yarn, the lifting cylinder drives overall lifting, overturning of the cone yarn is achieved through the rotating cylinder, the structure is simple, adjustable adaptability is high, and the stable efficiency of operation is high.

The invention relates to a bobbin yarn clamping, overturning and lifting device and a working method, and belongs to the field of textile machinery and automation. The device comprises a mounting frame; the mounting frame is provided with a conveyor belt and an overturning and clamping device; the overturning and clamping device comprises a stand column frame and an overturning and lifting plate,and the stand column frame is provided with a vertical movement guide rail and a lifting air cylinder; the lifting air cylinder is used for controlling and lifting the overturning and lifting plate; the overturning and lifting plate is a convex plate, the two ends of the overturning and lifting plate are symmetrically provided with clamping air cylinders, horizontal movement guide rails and rotaryair cylinder fixing frames respectively, rotary air cylinders are arranged in the rotary air cylinder fixing frames, clamping plates are arranged on the sides, opposite to each other, of the rotary air cylinder fixing frames, the clamping plates are used for clamping bobbin yarn, and the clamping air cylinders control the rotary air cylinder fixing frames to move horizontally. By means of the device, automatic overturning of the bobbin yarn can be achieved, the workload of workers is reduced, and the productivity is improved.

The invention discloses an angular position feedback module of a sun photovoltaic tracking system. The angular position feedback module is composed of a shell (1), a rotary encoder (2), a coded disc installation rack (3), a module base (4), a connecting rod (5), a limiting switch (6), a sliding block, a central shaft combination (8) and a flexible coupling (9). The shell (1) covers the module base (4), the rotary encoder (2), the coded disc installation rack (3), the limiting switch (6), the sliding block (7), the upper half part of the central shaft combination (8) and the flexible coupling (9) are sealed in a seal cavity consisting of the shell (1) and the module base (4). By integrating two functions of angular size feedback and extreme position alarming, the angular position feedback module provided by the invention has high integral protection level in comparison with the way of using independent components; meanwhile, the protection design for a sensor is added, a limiting angleis convenient for adjusting, the transport and installation are convenient; therefore, the angular position feedback is more stable and reliable.

A conical rotary valve for chromatographic applications is provided, including a valve stator, a valve rotor, a drive adaptor and a pair of stoppers each mounted to the stator. The drive adaptor is rotatable and coupled to the valve rotor for transmitting a rotating force thereto. The drive adaptor has a body and a pair of radial arms projecting from the body radially outward from the axis of rotation on opposite sides thereof. Each of the pair of radial arms is movable along a respective arcuate travelling course with respect to the stator. The stoppers are each positioned to obstruct one of the radial arms at an end of the corresponding travelling course. The stoppers are positioned to simultaneously engage the radial arms, thereby balancing the reaction forces created within the valve when the radial arms reach the ends of their travelling courses.

The invention relates to an intermediate support assembly of a heavy vehicle drive shaft. A bearing is assembled in an inner frame through clamp springs on two sides, sealing rings are arranged on two sides of the bearing, the inner frame is externally vulcanized with an outer cover into a whole through a rubber damping pad, the rubber damping pad is hollowed out internally to form an 'n'-shaped damping groove I which forms a semi-surrounded structure, the rubber damping pad on the upper portion of the inner frame and the inner frame are both covered in an 'n'-shaped empty space, clearances are formed at two side edges of the inner frame, and the lower portion of the rubber damping pad and the inner bottom of the outer cover are connected to form a connecting rib. After the assembly is subjected to complete vehicle trial assembly, the 'n'-shaped semi-surrounded structure of the rubber damping pad can absorb large axial movement of the intermediate support assembly, the angle of the intermediate support assembly is radially adjustable, the radial direction of the intermediate support assembly is ensured to be perpendicular to the axial direction of a center line of the drive shaft, and the intermediate support assembly is simple and feasible and remarkable in benefit, and has promotional value in the automobile industry.

The invention discloses a high-low frequency compound torsional vibration tapping device comprising a main shaft mechanism, an ultraphonic transduction vibration assembly, a floating assembly and a servo motor, wherein the ultraphonic transduction vibration assembly is arranged in the main shaft mechanism; the servo motor is arranged on a supporting plate of the floating assembly; and the floating assembly is arranged on the surface of a mounting plate of a main shaft box of the main shaft mechanism. The torsional vibration tapping device can be suitable for high-low frequency compound torsional vibration tapping with low frequency less than 60 Hz and high frequency more than 16 kHz and combines low frequency torsional vibration provided by the servo motor and high frequency torsional vibration provided by the ultraphonic transduction vibration assembly, thereby realizing the high-low frequency compound torsional vibration tapping of a cutter, simplifying the structure of the device and enhancing the precision of equipment; in addition, the invention realizes the radial floating of the cutter by installing an X-directional floating assembly and a Y-directional floating assembly, prevents larger radial force from being generated during processing and realizes the flexible processing of the torsional vibration tapping device in such a way that the axial floating of a main shaft of the cutter is provided by a spline part assembly.

The invention discloses a hydraulic motor. A symmetrical shaft (21) rotationally penetrates through a middle end cap (4), the middle end cap (4) is provided with a plurality of middle end cap oil passages (41) which are communicated with different plunger cavities (11) respectively. A valve plate (5) rotating along with the symmetrical shaft (21) is fixed to the outside of the symmetrical shaft (21) and is provided with a first oil cavity (51) and a second oil cavity (52), and the first oil cavity (51) and the second oil cavity (52) are communicated with the middle end cap oil passages (41) and alternated to form a high-pressure oil inlet cavity and a low-pressure oil return cavity. Any one of plunger components (3) moves to extend into the limit position, then the plunger cavity (11) with the plunger component begins to be communicated with the high-pressure oil inlet cavity, and when the plunger component (3) continues to move to extend out of the limit position, the plunger cavity (11) with the plunger component begins to be communicated with the low-pressure oil return cavity. The hydraulic motor with the structural design has the advantages that unbalanced radial force applied to the valve plate thereof can be avoided, abrasion of the hydraulic motor can be reduced, and the service life thereof can be prolonged. In addition, the invention discloses a wind generating set comprising the hydraulic motor.

The invention discloses a bearing insert to be inserted in the inner hole part of the plastic flow deflector shell of an engineering plastic well pump, which is formed by punching a stainless steel plate and is matched with an engineering plastic impeller hub to form a sliding radial bearing and a sliding thrust bearing for bearing the radial force and axial force of the impeller. The upper side of the top part of the insert and the lower end of the impeller hub on the upper side form a lower plain thrust bearing for bearing the downward axial force of the impeller; the downside of the top part of the insert and the upper end of the impeller hub on the down side form an upper plain thrust bearing for bearing the upward axial force applied when the well pump starts; and the inner wall of the cylinder of the insert and the external circle of the impeller hub form a radial sliding bearing for bearing the radial force of the impeller. As a bearing pair with high performance is made of stainless steel and the engineering plastic, the reliability of the engineering plastic multi-stage well pump is improved greatly. The shape of the bearing insert is very suitable to be formed by punching and is also very suitable to be connected with the plastic flow deflector shell into a whole firmly, so material and labor can both be saved.

The invention relates to a washing machine, and discloses a nickel alloy disc-type motor welding spring buffer washing machine which comprises a machine shell, a drum door, a water containing drum, a rotating drum body, a vertical plate, a bed plate, a disc-type water-cooling motor assembly, an external water supply pipe and a drainage external pipe. As an improvement, a buffer assembly is arranged on the back faces of the rotating parts such as the water containing drum, and the gravity centers of the rotating parts such as the water containing drum are lowered; by means of the two-spring composite action of tension-compression welding spring buffers and a compression-tension welding spring buffer, the pressure or the tension is alternatively reduced; the vibration amplitude is decreased. The drum door is installed on the front face of a water drum flange of an opening of the water containing drum, a corrugated seal ring is connected between the front face of a shell flange of a front panel opening of a shell of the machine shell and the back face of the water drum flange in a sealed mode, static sealing is achieved, and vibration with a certain swing amplitude can be born. According to the nickel alloy disc-type motor welding spring buffer washing machine, under the combination action of upper springs and lower springs of the two-spring buffer assembly and plane bearing balls, the nickel alloy disc-type motor welding spring buffer washing machine can randomly move on bumpy ground.

A fixing device used for machining long-cylinder thin-walled parts comprises a pull rod I, a pull rod II and positioning blocks. One end of the pull rod I and one end of the pull rod II are provided with threads respectively. Connectors are arranged at the threaded end of the pull rod I and the threaded end of the pull rod II respectively. The pull rod I and the pull rod II are connected with the connectors through the threads. The positioning blocks are arranged at the connectors of the pull rod I and the pull rod II respectively. A fixing screw sleeve is arranged at the right end of the connector of the pull rod II. The pull rod I and the pull rod II are fixedly connected. According to the fixing device, the positioning blocks are tensioned through the pull rods, the positioning blocks and the parts are in clearance fit, and therefore the fixing device can be conveniently clamped and detached, time and labor are saved when the fixing device is used, and meanwhile the manufacturing cost is saved. Traditional inner hole pressing is replaced with end face pressing, the part deformation is reduced, and the percent of pass of the parts is greatly increased.

The invention discloses a device for hanging and discarding a heavy object in deep sea, and relates to the field of deep sea equipment. The device comprises a hydraulic cylinder, a universal coupling,an intermediate shaft, a connector, an explosive bolt, safety pin holes and a two-level lever labor saving mechanism; the hydraulic cylinder and the intermediate shaft are fixedly connected through the universal coupling; the intermediate shaft and the explosive bolt are fixedly connected through the connector; oil is supplied to the hydraulic cylinder by an outboard hydraulic source; the two-level lever labor saving mechanism comprises a first lever and a second lever; the tail end of the first lever is subjected to the contact constraint of the explosive bolt; the tail end of the second lever is used for fixing a lifting lug of the heavy object; and a safety pin is inserted into each safety pin hole when the device is maintained. The problem that a traditional device for hanging and discarding the heavy object is single in driving mode and is only suitable for discarding a heavy object not heavy in weight in shallow water is solved; the effect that the heavy object is discarded by contraction motion of the hydraulic cylinder and by detonating the explosive bolt, and the device is suitable for a deep sea environment is achieved.

A torsional vibration damper includes a primary side having a pair of axially spaced cover disk elements which are fixed to each other, and a central disk element axially between the cover disk elements, wherein each disk element has a like plurality of circumferentially arranged openings, and each opening has a pair of circumferential support areas. A like plurality of damping element units are arranged in respective sets of openings, and are supported against the circumferential support areas. A radial support surface supports each damping element unit in a radially outward direction, each radial support surface extending without curvature in the axial direction.

The invention discloses a water tank type directed sorting device for bottle caps. The water tank type directed sorting device for bottle caps comprises a bottom board. A vertical guide rod is arranged on the bottom board and fixedly connected with the bottom board. A water tank is arranged on the guide rod and is in sliding fit with the guide rod. A vertical hydraulic cylinder is arranged between the water tank and the bottom board. An axial flow fan is arranged at the right end of the water tank. A fixing support is arranged above the water tank, and a transversely arranged bearing board is arranged on the support and fixedly connected with the support. The water tank type directed sorting device for bottle caps has the beneficial effect of improving the bottle cap sorting efficiency.