23results about How to "Reduce the grip" patented technology

The invention provides a tire design method for reducing the temperature of a rolling tire based on finite element analysis, and belongs to the technical field of tires. According to the tire design method for reducing the temperature of the rolling tire based on finite element analysis, when the center line of the rotation direction is 0 degree when the tire moves forwards, the tire design method comprises the following steps that 1, belt plies are laid, and belt ply laying comprises the following steps that 1.1, when a first belt ply in the tire is laid, the left angle is 29 degrees; 1.2, the right angle is 29 degrees when a second belt bundle in the tire is laid; and 2, finite element analysis: during rolling test at the environment temperature of 0 DEG C, when the angle of the belted layer is 29 DEG C, the temperature of the tail end of the belted layer reaches 56 DEG C. The problems of doping, poor process and the like in the manufacturing process can be avoided by applying a finite element analysis principle through a tire analogue simulation technology. An experiment result can be obtained even if a new tire is not manufactured.

The invention discloses a damp cable joint degradation state detection system and method based on multi-characteristic quantity acquisition, and the method comprises the steps: S1, packaging a cable intermediate joint in a gas sampling bag, and enabling a grounding wire of a cable to be grounded; s2, providing a preset test voltage for the cable through a power supply adjusting device and keeping the preset test voltage unchanged; s3, continuously electrifying, detecting discharge signals of the cable body and the grounding wire through a discharge characteristic acquisition device, and carrying out online monitoring and analysis; s4, opening a gas valve of a gas extracting pump to extract gas when a discharge signal with a remarkably changed waveform is monitored, and analyzing the components and content of the characteristic gas through a gas chromatograph; s5, identifying, extracting and analyzing the discharge signal after acquisition is completed to obtain an effective discharge waveform; and S6, comprehensively analyzing the result, and evaluating the degradation state of the cable intermediate joint. The method can effectively evaluate the deterioration state of the intermediate joint of the damped cable, and is high in reliability.

The present invention provides a bearing for a fluid pump. When the fluid pump is working, a positive pressure area (28) for fluid pumping out and a negative pressure area (27) for fluid inflow are formed in the fluid pump. A fluid supply groove (253) and a fluid return groove (254) extending in the axial direction are respectively formed on the wall of the shaft hole (26) of the bearing (25). The fluid supply groove (253) is connected to the positive pressure area (28), and the fluid return groove (254) is connected to the negative pressure area (27). Moreover, the fluid supply groove (253) is in the shape of a blind groove. The present invention can reduce the clamping force of the oil seal, or directly omit the oil seal, thereby reducing the manufacturing cost of the oil pump.

The utility model relates to the technical field of demonstrators, and discloses a truss manipulator demonstrator which comprises a demonstrator controller shell, and a supporting mechanism is arranged at the rear end of the demonstrator controller shell. The supporting mechanism comprises a rotating shaft, the outer wall of the rotating shaft is rotationally connected to the rear end of the teaching controller shell, a supporting plate is fixedly connected to the outer wall of the rotating shaft, the inner wall of the teaching controller shell is elastically connected with a bayonet socket through a connecting spring, and a protection mechanism is arranged on the outer wall of the teaching controller shell. And the side wall of the inner side of the bayonet socket is rotationally connected with a shifting block. According to the truss manipulator demonstrator, when a related person uses the demonstrator controller for a long time, the truss manipulator demonstrator can move the bayonet socket when not in use, then the limiting of the bayonet socket is released, and then the supporting plate can be rotated, so that the situation that the truss manipulator demonstrator is manually held for a long time is reduced.

The invention relates to the technical field of stamping dies, in particular to an automatic special flash cutting die which comprises an upper die, a lower die, an upper die seat and a lower die seat, the upper die and the lower die are used for die assembly and workpiece flash stamping and cutting, the upper die seat is used for mounting the upper die, and the lower die seat is used for mounting the lower die. The lower die is provided with a punching head which is matched with the punching groove and used for punching, the lower die base is provided with a waste separating mechanism used for processing flash waste, and the waste separating mechanism is arranged outside the punching head in a surrounding mode in the circumferential direction. The automatic special flash cutting die has the effects of improving the waste material die sleeving problem of the automatic special flash cutting die and improving the production continuity.

The present invention provides a tire for a two-wheeled motor vehicle, which suppresses a decrease in grip force in the lateral direction during drive turning and improves turning performance. The tire for a two-wheeled motor vehicle is a tire (10) for a rear wheel of a two-wheeled motor vehicle, which has a carcass (1) extending annularly across a pair of bead sections (13) as a skeleton, and is provided with a spiral belt (2) formed by helically winding a belt cord in the circumferential direction of the tire on the outside of the carcass in the radial direction of the tire. The belt cord has a 1 * N structure, and the belt cord removed from the tire has an elongation of greater than 0.3% and less than 0.7% when a load of 50 N is applied thereto.

The application provides a quartz boat taking device, and relates to the field of semiconductor manufacturing. The quartz boat taking device comprises a taking device body, a connecting piece and a handheld piece. The connecting piece is connected with the taking device body and the handheld piece respectively. The taking device body is used for cooperating with a quartz boat. The handheld piece is used for being held by an operator to take and place the quartz boat through the taking device body. The quartz boat taking device has the characteristics of being convenient to hold, can facilitate the operator to take and place the quartz boat, can effectively reduce or avoid the problem of collision and damage of the quartz boat and fragments caused by improper operation when the operator places and takes the quartz boat, and can also reduce or avoid the problems of cost waste caused by damage of the quartz boat and contamination of the furnace tube caused by the broken chips, thereby helping to improve the quality of the chips and improve the yield of the chips.

The utility model discloses a remote controller for remote control of fire-fighting equipment, and relates to the technical field of industrial remote controllers. The remote controller comprises a remote controller body, a supporting mechanism is arranged at the bottom of the remote controller body, the supporting mechanism comprises a containing groove, a supporting plate is arranged in the containing groove, a handle is arranged on the outer side of the remote controller body, a binding mechanism is arranged on the outer side of the handle, and the binding mechanism comprises a connecting belt. Through the supporting mechanism and the binding mechanism, the supporting plate in the supporting mechanism provides a stable supporting point for the forearm of a user, the binding mechanism firmly fixes the remote controller on the forearm of the user, and the supporting mechanism and the binding mechanism act together, so that the user can more easily keep the stability of the remote controller in the operation process; a user can hold the remote controller body with one hand and freely adjust the control panel with the other hand, so that the problem that the remote controller is not stably held with one hand due to the fact that the mass of the remote controller is large is solved.

The application belongs to the field of drug research and development, and particularly relates to application of an acid glycoprotein ORM in preparation of a drug for treating muscle reduction, and the application uses ORM1 knockout mice to evaluate the role of ORM in muscle reduction, and results show that glucocorticoid (dexamethasone) can induce muscle reduction, which is manifested in that the body weight of mice is reduced, the grip strength is reduced, and the skeletal muscle mass is reduced, and these indexes are more seriously reduced after ORM is knocked out, and exogenous ORM can significantly improve the cell muscle reduction model induced by dexamethasone, thereby providing a new idea for treatment of muscle reduction.

This application relates to a pruning machine that extends along three orthogonal spatial directions: a length extension direction L, a width extension direction W, and a height extension direction H. The pruning machine includes a working head module for performing pruning tasks, a drive mechanism for driving the working head module, a first housing with a gripping portion, a second housing housing at least part of a transmission mechanism, a gap between the first and second housings, and an elastic damping member disposed between the first and second housings. The elastic damping member is configured to at least suppress the transmission of vibrations generated by the second housing to the first housing. The pruning machine also includes a first support structure disposed near the elastic damping member, which at least limits the movement of the second housing in the height extension direction H.

The utility model discloses an injection pipe fitting mould slider core-pulling structure, including slider base, cavity slider, core, positioning pin, guide hole and movable platen, be provided with the chute on the movable platen, the lower part of slider base is located in the chute, the cavity slider is slidably connected with slider base, the core is fixed on slider base, and the bottom of two cavity sliders is provided with a positioning pin respectively, two guide holes are provided on the movable platen, and the positioning pin is located in the guide hole, and two guide holes extend to the chute of slider base according to the shape of outer eight characters. A I-shaped guide slide is arranged on the slider base, a I-shaped slide groove is arranged on the cavity slider, and the I-shaped guide slide is arranged in the I-shaped slide groove. The utility model is suitable for the product with the design of the inverted draw, when the core-pulling demoulding, two cavity sliders will be guided under the guide hole, and a certain distance is separated to both sides along the I-shaped guide slide, the mould is reduced to the product's holding force, and the product demoulding difficulty is reduced.

The automatic cooking machine comprises a pot body and a pot cover, a stirring shovel is arranged on the pot cover, the stirring shovel extends into the pot body from top to bottom to conduct stirring cooking, the pot cover further comprises a material box body and a material storage box, the material storage box is provided with a material storage cavity and a material outlet, and the material box body is provided with a feeding channel; the air supply mechanism is used for supplying air into the feeding channel; the feeding part is provided with a blanking channel; the feeding part is movably arranged on the material box main body so as to have a first feeding state and a second storage state; in the first state, the blanking channel communicates with the feeding channel, and the air supply mechanism supplies air to the feeding channel; and in the second state, the blanking channel is communicated with the discharge port to store materials. When the feeding part is in the first state, the discharging channel communicates with the feeding channel, the air supply mechanism operates to supply air into the feeding channel, oil smoke and water vapor overflowing from the cooking cavity are prevented from entering the discharging channel, the probability that seasoning is affected with damp and agglomerated is greatly reduced, and feeding smoothness and accuracy are guaranteed.

The utility model relates to the technical field of plant pruning, and particularly discloses an aquatic plant pruning device which comprises a main rod, a tool bit part is arranged at one end of the main rod, and a first floating block is arranged on the lower side of the tool bit part. The aquatic plant pruning device has the advantages that upward buoyancy force is generated on the tool bit portion through the first floating block, so that the holding force of workers on the pruning device can be reduced, a fulcrum is formed at the front end, and the pruning device is convenient to use. Therefore, a worker can easily determine the position of the tool bit part after holding the main rod, and deviation of the trimming position caused by shaking of the front end is avoided.

The present invention provides a pedicle screw, the screw body is a threaded rod with external threads, the threaded rod is stepped, has multiple straight sections, adjacent straight sections are connected by inclined sections, and the diameter of the threaded rod gradually decreases from close to the screw head to away from the screw head. In the present invention, a stepped screw rod design is adopted, which can reduce the decrease in the screw holding force after a small amount of screw withdrawal during surgery compared to a traditional tapered screw rod.

The present invention provides a bearing for a fluid pump. When the fluid pump is working, a positive pressure area (28) for fluid to be pumped out and a negative pressure area (27) for fluid to flow in are formed in the fluid pump. A lubrication groove (261) extending in the axial direction is formed on the wall of the shaft hole (26) of the bearing (25). The lubrication groove (261) is connected to the positive pressure area (28) and is in the shape of a blind groove. The present invention can reduce the clamping force of the oil seal and reduce the manufacturing cost of the fluid pump.

The utility model discloses a novel electric water cup holder and handrail assembly, including cup holder assembly, the opposite sides of cup holder skeleton bottom in cup holder assembly are equipped with the slide, the slide is slidably connected with slide rail, the both ends of slide rail are connected with the handrail skeleton on handrail assembly through front support and rear support, and the cup holder skeleton between both sides slide is equipped with mounting frame, and cup holder motor is connected on cup holder skeleton through mounting frame, and the one end of screw rod of cup holder motor passes mounting frame and is connected with one end of fixed bolster, and the other end of fixed bolster is connected with handrail skeleton. The utility model discloses a kind of electric type horizontal telescopic water cup holder, which is telescopicly connected inside handrail assembly by cup holder motor drive, through the reasonable arrangement of cup holder motor, the mutual cooperation of slide rail and slide, make cup holder assembly have all-round improvement in sliding speed, movement stable and movement noise.

The utility model discloses a wide flow adaptation's impeller type rotary shower head relates to the water distribution shower head technical field of cooling tower, including the shower head body, is equipped with the shower head mouth in the bottom, the shower head seat is set up the connecting rod in the lower extreme of shower head seat, the lower extreme of connecting rod is rotatable with the impeller part, the impeller part is located below the shower head mouth, and it includes: the bottom disc, the impeller shaft is extended in the middle upwards, the impeller piece is annular array and is set up on the impeller shaft, and the lower extreme is connected with the bottom disc, and the gap between adjacent impeller pieces constitutes the water outlet, and the water guide plate is equipped between adjacent impeller pieces and is staggered distribution with the water outlet, the water outlet hole is annular array and is set up on the bottom disc and is located below the water guide plate, the lower skirt is annular array and is set up in the bottom disc edge, and is set down to the inclination, wherein, the gap between water outlet hole and lower skirt is set up in the circumferential direction and is staggered half. The utility model discloses can still keep high water distribution uniformity, small water drop when the water inflow changes.

The utility model discloses a novel double-lip sealing ring structure which comprises a double-lip sealing ring, a sealing seat and a sealing pressing plate, a sealing installation groove is formed in the sealing seat, the double-lip sealing ring is installed in the sealing installation groove, and the sealing pressing plate is installed on one side of the sealing seat and used for extruding and fixing the double-lip sealing ring. The double-lip sealing ring comprises a main sealing lip and an auxiliary sealing lip, the main sealing lip and the auxiliary sealing lip are in contact fit with the lip contact shaft after being assembled, the lip contact shaft is a rotating component and is in interference fit with the main sealing lip and the auxiliary sealing lip, and a lubricating space is formed after the lip contact shaft, the main sealing lip and the auxiliary sealing lip are assembled. According to the utility model, the sealing effect and the dustproof effect required by the bearing can be effectively achieved, and the service life of the sealing ring can be prolonged.

The utility model discloses a shaping ring which is suitable for shaping a semi-finished blank, the shaping ring comprises a ring body, the ring body comprises at least two ring split bodies which are sequentially connected in the circumferential direction of the ring body, every two adjacent ring split bodies are detachably and fixedly connected, and the circumferential length of at least one ring split body is smaller than one half of the circumferential length of the ring body. The shaping ring provided by the utility model is used for cooling and shaping a semi-finished blank, and after cooling and shaping are finished, one or more ring split bodies are driven to move towards the circle center of the shaping ring in a manual or mechanical manner, so that the holding force of the semi-finished blank on the shaping ring is reduced, and the production efficiency is improved. And then the semi-finished blank is directly taken down from the position where the ring split body is separated from the semi-finished blank, operation is convenient, and the machining efficiency is improved. Compared with the prior art in which a semi-finished blank is pressed from a shaped round pipe by a molding press, the semi-finished blank can be prevented from being damaged, and the equipment cost is reduced.

The invention discloses a tread pattern structure of a tire with movement performance, and relates to the technical field of tires, the tread pattern structure is used on a tread band, and the tread band sequentially comprises a sub-tread band A, a sub-tread band B and a sub-tread band C from the middle to the two sides in the transverse direction; the tread band is formed by combining a plurality of identical tread modules T in the circumferential direction, the tread modules T replicating in the circumferential direction of the tire and having a predetermined circumferential length J; the tread module T comprises a first pattern groove, a second pattern groove and a third pattern groove which are arranged on the opposite sides relative to the equatorial plane X-X of the tire. According to the invention, a plurality of scientific and beautiful pattern grooves are arranged, and the shape, the width, the section and the like of the pattern grooves are designed again, so that the movement performance of the tire is greatly improved.

The invention relates to a wide-temperature-range ice-resistant stern sealing device suitable for a high-ice-grade pod propeller, a sealing pair between a sealing seat and a bushing is composed of a sealing element, the bushing and the sealing pair form a plurality of sealing cavities, the plurality of sealing cavities are connected with an air control device, and crushed ice can be prevented from entering the stern sealing device by melting and blowing the crushed ice through the air control device. When the wide-temperature-range ice-resistant stern sealing device works in a polar region ice breaking environment, the rubber seal has the high impact resistance characteristic, the sealing performance can be effectively guaranteed through a sealing pair formed by the rubber seal and the rotating shaft lining, and the air control device is arranged to melt and blow broken ice so that the broken ice can be prevented from entering the stern sealing device; when sailing in a tropical zone, the environment temperature is greatly increased, the size of the rubber seal is increased due to the thermal expansion effect, the holding force of a sealing pair formed by the rubber seal and the rotating shaft bushing is greatly reduced, at the moment, the pressure in each sealing cavity is adjusted through the air control device, the front-back pressure difference of the sealing pair is kept stable, and therefore the problem that the holding force is reduced is solved, and the sealing effectiveness is guaranteed.

The utility model discloses a secondary ejection structure which comprises a first installation plate, auxiliary rods are fixed to the two ends of the top of the first installation plate, a second installation plate is fixed to the tops of the auxiliary rods, a first connecting plate and a second connecting plate are connected to the auxiliary rods in a sliding mode, a first hydraulic cylinder is installed at the bottom of the first installation plate, and a second hydraulic cylinder is installed at the bottom of the second installation plate. And a piston rod of the first hydraulic cylinder penetrates through the first mounting plate and is connected with a movable plate, and ejector rod mechanisms are fixed to the two ends of the top of the movable plate correspondingly. Compared with the prior art, the first hydraulic cylinder is matched with the movable plate and the ejector rod mechanism to perform primary ejection, and then the second hydraulic cylinder is matched with the guide block and the ejector rod mechanism to perform secondary ejection, so that batch ejection is realized, the holding force of products is reduced, and the mold ejection stability and efficiency are very high.