347results about How to "Increase static friction" patented technology

A constraining sheath for use around an endoprosthesis (e.g., a stent device, with or without a graft covering), which may be a balloon expandable endoprosthesis but more preferably is a self-expanding prosthesis. The endoprosthesis is coaxially enclosed within the constraining sheath, which is an outer, disruptable, preferably implantable tubular sheath, preferably made of ePTFE. The constraining sheath and endoprosthesis are preferably mounted together as an assembly on an angioplasty balloon for delivery. Deployment of the endoprosthesis entails inflating the angioplasty balloon to a pressure sufficient to disrupt or break the constraining sheath in a prescribed fashion, thereby allowing a self-expanding endoprosthesis to spontaneously deploy. The constraining sheath of ePTFE may be attached to the endoprosthesis and implanted along with the device, or alternatively attached to the balloon catheter shaft and removed with the balloon catheter.

The invention relates to a method for producing a glue-coated element, to the glue-coated element, to an adhesive compound and to a method for producing glue-coated derived timber panels, as well as to panels produced according to the method. The method for producing a glue-coated element that can be glued with other similarly glue-coated elements, comprises the steps of applying a one-component adhesive to at least one surface section of the element and drying the applied one-component adhesive. According to a preferred embodiment of the invention, draw-out resistance elements are provided on the glue-covered element.

A delivery system utilizes a handle assembly including an actuating mechanism capable of initially providing sufficient mechanical advantage to overcome static friction when initiating deployment of the medical device. The actuating mechanism includes components which help to increase the speed of deployment as the physician continues to manipulate the actuating mechanism.

A suspension system for a window covering that eliminates the use of pull cords is provided. The suspension system includes a control module having a winding drum and a spring disposed about an axle. A friction member or reaction member is also provided to offset difference in the force exerted by the spring on a suspension cord versus the weight of the window covering member.

The invention provides a sand modification method suitable for high-wind-erosion and high-water-erosion areas. The method includes: respectively drying various sludge rich in bacteria, various decayed straw, forest litter powder or forest soil rich in actinomycetes and fungi, organic flocculants at normal temperature, and mixing the same to obtain mixture, and storing; well mixing the mixture with local clay minerals, decomposed coal or humus soil, cross linking with water solution with cross-linking agent at normal temperature to form flocculent mixture, and crushing particles to form microorganism / microorganism cultivation medium cluster; mixing microorganism / microorganism cultivation medium cluster, plant straws, and soil with nitrogen-fixing bacteria, plowing with sand, and pouring 5-50 kilos of starch or molasses water solution to each mu of sand to activate microorganisms. The sand modified by the method is high in water retention, high in wind and water erosion resistance and low in cost.

The invention discloses a mechanized fruit picking, collecting and transporting system and method. The mechanized fruit picking, collecting and transporting system comprises an end picking device, an elongating arm, an elongating arm seat, a charging hopper, a conveying device, a trailer and a movable device, wherein the trailer is arranged on the movable device, the charging hopper is arranged in front of one side of the movable device, and is connected with the trailer through the conveying device, one end of the elongating arm is fixed on the movable device through the elongating arm seat, and the end picking device is arranged at the other end of the elongating arm. The mechanized fruit picking, collecting and transporting method comprises the following steps of: driving the movable device by a user to move and seek fruits which are suitable for harvest; sending the end picking device to the fruits through the elongating arm; picking the fruits through the end picking device, and gripping the fruits and sending the fruits to the charging hopper; and conveying the fruits to the trailer through the conveying device after the fruits enter the charging hopper. According to the invention, mechanized operation which integrates the picking, collection and transportation of the fruits is realized, so that mechanized degree of fruit picking, collection and transportation is effectively improved, and fruit picking accuracy rate is also increased while fruit picking efficiency is increased.

The invention relates to a motor vehicle brake, in particular a motor vehicle brake that can be actuated in a combined hydraulic and electromechanical manner, having an actuator assembly comprising: a housing, an actuating element that can be displaced relative to the housing along a longitudinal axis for the hydraulic or electromechanical displacement of a brake lining, a motor drive, and a displacement mechanism, arranged between the motor drive and the displaceable actuating element, for displacing the actuating element. The displacement mechanism has a multi-stage spindle-nut arrangement comprising a first spindle-nut pair having a first thread pitch and a second spindle-nut pair having a second thread pitch, wherein the first thread pitch is greater than the second thread pitch, wherein, during an electromechanical actuation of the motor vehicle brake, the first spindle-nut pair is active in a first actuating phase and the second spindle-nut pair is active in a second actuating phase.

A secondary for a linear motor includes a body comprised of at least one secondary member for defining a guideway for a rotor of the linear motor and a cover including magnetizable material for the guideway. Disposed between the secondary member and the cover is an anti-skid layer to secure the cover against displacement.

The invention discloses a split electric wheel system with a thin excitation-free electromagnetic parking braking device. The split electric wheel system is applied to a wheel hub motor, aims to solve the problem of complex structure of the existing electric wheel vehicle braking system, and comprises a wheel, the wheel hub motor, a brake disc, a motor shell crossover flange, an electromagnetic brake, a suspension beam end part and a sleeve, wherein the suspension beam end part, the electromagnetic brake, the motor shell crossover flange, the brake disc, the wheel hub motor and the wheel are sleeved on a motor shaft in sequence, the sleeve is hollowly sleeved on the motor shaft and is located between the motor shaft and the motor shell crossover flange, one end of the sleeve is in contact with the flange of the suspension beam end part, the other end of the sleeve is in contact with the shaft shoulder of the motor shaft, the wheel and a shell on the outer side of the wheel hub motor are fixedly connected by rim bolts, the motor shell crossover flange, the brake disc and a shell on the inner side of the wheel hub motor are fixedly connected in sequence by brake disc bolts, one end of the electromagnetic brake is in splined joint with the motor shell crossover flange, and the other end of the electromagnetic brake is sleeved on the flange of the suspension beam end part.

A wheel suspension for a motor vehicle is described, in which at least a first and at least a second control arm (1, 2) are coupled in an articulated manner to a wheel carrier (4) carrying a vehicle wheel (3). The wheel suspension has a compensating device (5, 6) for correcting wheel positions, and each control arm (1, 2) has a portion of the compensating device (5, 6) or is connected to a portion of the compensating device (5, 6). The compensating device portions (5, 6) of one wheel are connected to one another by at least one coupling member (7, 8).

The present flying ski is designed to be towed behind a conventional powered watercraft by a standard ski tow rope or similar device having a handle that can be held by a human rider. In use, the rider is seated on the seat of the flying ski and towed by the watercraft. The improved flying ski comprises an elongate board and a seat that extends generally perpendicular to and upward from the board to support the seated rider's buttocks. The seat preferably includes a flexible C-shaped member for absorbing impacts during use. The rider's legs extend toward the front of the board and are secured by a pair of foot holders that attach to the board. An elongate strut extends downward from the board and couples the seat to a planing blade. The elongate strut is preferably formed with a V-shape wherein the length from the front edge to the back edge of the strut is greater along an upper portion for enhanced structural integrity. The planing blade advantageously has a front blade and a rear blade interconnected by a fuselage. The rear blade may be located above the front blade for avoiding turbulence from the front blade. The present flying ski accommodates a variety of rider skill levels by incorporating a mechanism and system that allows the rider to selectively adjust performance characteristics of the ski. In particular, the rider can control stability, lift and maneuverability characteristics to accommodate the rider's particular skill level and the particular challenge that the rider seeks. The position of the rear blade may be moved forward or backward to change the hydrodynamic characteristics of the flying ski. In addition, the present flying ski includes a detachable back support that allows handicapped riders to enjoy the thrills of using the ski. The present flying ski also provides for quick and easy attachment and detachment of component parts of the ski. This feature allows the ski to be more easily transported when not in use and reduces the risk of accidentally dropping or otherwise damaging the ski.

The invention relates to a injection device, comprising a housing being adapted to receive in its proximal housing portion a container with an injection fluid and to receive in its distal housing portion a dose setting and injection mechanism, wherein the mechanism includes a piston rod (28) being axially displaceable with respect to the housing for dispensing injection fluid from the container, wherein the piston rod (28) has an outer thread (34) and is arranged torque proof with respect to the housing, dose setting means comprising a threaded element, which threaded element has an inner thread being in engagement with the outer thread (34) of the piston rod (28), is designed so that its axial position relative to the housing is changeable and is rotatable relative to the piston rod (28) and relative to the housing during setting of an injection dose, wherein the dose setting means are designed such that the threaded element is held in torque proof manner relative to the piston rod (28) and to the housing during the injection of the beforehand set injection dose in such a manner that the threaded element and the piston rod (28) are axially displaceable together with respect to the housing, wherein the mechanism (26) further comprises holding means (60; 160) being in contact with the piston rod (28) and being designed such that the axial displacement of the piston rod (28) can be substantially immobilized during use of the device except for the dispensing of the injection dose. It is proposed according to the invention that the holding means (60; 160) are axially fixed with respect to the housing.

The invention particularly discloses a zero damage multifunctional horizontal type online tension tester which comprises a trough bracket, wherein an upper jaw trolley and a lower jaw trolley are arranged on the trough bracket; both the upper jaw trolley and the lower jaw trolley can slide along the trough bracket; the upper jaw trolley is driven by an actuator cylinder arranged on the trough bracket; the lower jaw trolley is driven by a motor built in the lower jaw trolley; two slippage steering wheels are arranged at two ends of the trough bracket respectively; S-shaped clamping jaw openings are formed in the upper jaw trolley and the lower jaw trolley; both the upper jaw trolley and the lower jaw trolley are arranged between the two slippage steering wheels; the slippage steering wheels can transversely move along the trough bracket. The tension tester fully adopts the technologies and principles of the existing winding method and the direct clamping method and performs organic integration on the basis so as to form the winding clamping method and realize zero damage clamping of a flexible body for online test of large tension safety.

The present flying ski is designed to be towed behind a conventional powered watercraft utilizing a standard ski tow rope or similar device having a handle that can be held by a human rider. In use, the rider is seated on the seat of the flying ski and towed by the watercraft. The improved flying ski comprises an elongate board and a seat that extends generally perpendicular to and upward from the board to support the seated rider's buttocks. The seat preferably includes a flexible C-shaped for absorbing impacts during use. The rider's legs extend toward the front of the board and are secured by a pair of foot holders that attach to the board. An elongate strut extends downward from the board and couples the seat to a planing blade. The elongate strut is preferably formed with a V-shape wherein the length from the front edge to the back edge of the strut is greater along a top end portion for enhanced structural integrity. The planing blade advantageously has a front blade and a rear blade interconnected by a fuselage. The rear blade may be vertically displaced from the front blade for reducing the effects of turbulence from the front blade. The present flying ski also accommodates a variety of rider skill levels by incorporating a mechanism and system that allows the rider to selectively adjust performance characteristics of the ski. In particular, the rider can control stability, lift and maneuverability ski characteristics to accommodate the rider's particular skill level and the particular challenge that the rider seeks. More particularly, the position of the rear blade may be selectively movable with respect to the fuselage to change the hydrodynamic characteristics of the flying ski.

The invention discloses a fruit picking execution device, which comprises a support main body, a support main body control assembly, a grabbing arm assembly, a clamping head assembly and a cutting assembly, wherein the support main body is 7-shaped; the support main body comprises a horizontal piece and a vertical piece which are connected; the support main body control assembly is arranged on the outer side surface of the support main body; the grabbing arm assembly is arranged at the bottom of the vertical piece of the support main body; the clamping head assembly is arranged in the middle of the vertical piece of the support main body; and the cutting assembly is arranged on the horizontal piece of the support main body. The fruit picking execution device disclosed by the invention is provided aiming at large fruits and has high picking efficiency and accurate picking; the fruit picking execution device is provided with a pair of rotary grabbing arms; and targets with larger sections can be gripped through the grabbing arms, so that fruits which are larger in volume, heavier or complex in appearance can be prevented from freely falling off, the fruits can be prevented from falling and being damaged, and the fruit picking quality can be ensured.

The invention provides an overhead transmission line inspection obstacle-crossing robot and an obstacle-crossing method thereof. The overhead transmission line inspection obstacle-crossing robot comprises a jacking walking assembly, and the jacking walking assembly clamps an overhead transmission line up and down and is hinged to a machine body through a rotating assembly; the rotating assembly isused for rotating the jacking walking assembly around the robot body, the top of the robot body is connected with an auxiliary walking assembly in a sliding mode along an overhead power transmissionwire, and the top of the auxiliary walking assembly can clamp the overhead power transmission wire. When the overhead transmission line inspection obstacle-crossing robot climbs, the rotating assemblyis used for rotating the jacking walking assembly around the machine body, and the jacking walking assembly tightly clamps the overhead power transmission wire, so the static friction force between the jacking walking assembly and the overhead power transmission wire is increased, and climbing is facilitated; and the auxiliary walking assembly reciprocates on the machine body to enable the jacking walking assembly and the machine body to cross obstacles.

The invention relates to an apparatus for helping an animal, primarily a four-legged animal (such as a pet dog or cat), also possibly a human child, escape from a body of water onto a water-adjacent elevated surface. The apparatus is deployed facing the water at an edge of the elevated surface. The apparatus comprises a deck anchor component, fillable with liquid for weight, and, preferably, a friction means to reduce slipping on the elevated surface. The apparatus also comprises a stair component hingedly connected to the anchor component for rotation between lowered, raised, and folded positions. The stair component comprises at least one stair step to be submerged while the stair component is in the lowered position with the anchor component resting on the elevated surface. The animal can escape to the elevated surface by placing its feet (preferably, rear paws) on the step and thrusting upwardly. And, preferably, while drained and in the folded position, the apparatus is light and compact enough for it to be carried, preferably by a built-in handle, and stored.

The invention provides a pepper cap removing device and belongs to the field of pepper processing machines. The pepper cap removing device is composed of a first conveying motor, a first conveying belt, a discharge port, a trough mechanism, a travel guiding plate, a limiting mechanism, a travel guiding wheel set, a first supporting frame, a rotary shaft, a pressing block, a second conveying belt, a second conveying motor, a second supporting frame, a drive roller, a pepper collecting box, a third supporting frame, a fourth supporting frame, a grinding motor, a recycling box, a gear drive box, a grinding roller, a fifth supporting frame, a controller, a vibrating disc body, a feed hopper and a base. Peppers can be orderly conveyed on the trough mechanism through feeding of the vibrating disc, the peppers are preliminarily positioned, the peppers are limited through the cooperation of pressing blocks on the second conveying belt and containing grooves in the first conveying belt, the static friction force of the peppers is effectively improved through multiple rubber strips, under the effect of the grinding roller, the peppers are torn, and pepper caps are torn off. The device can completely remove the pepper caps without damaging the peppers, the structure is ingenious, the pepper caps can be efficiently removed, and working efficiency is improved.

A display having pivot constraint function is disclosed in the present invention. The display includes a panel, a supporter, a pivot mechanism and a constraint mechanism. The pivot mechanism is disposed between a first bridging component of the panel and a second bridging component of the supporter. A rotation angle of the panel relative to the supporter can be adjusted via the pivot mechanism, and the constraint mechanism can constrain the rotation of the panel relative to the supporter. The constraint mechanism includes a body and a contacting portion. The body is movably disposed on the panel, and partly protrudes from a boundary of the panel. The contacting portion is connected to the body for simultaneously contacting the first bridging component and the second bridging component, so as to constrain rotation between the first bridging component and the second bridging component, and to fix a view angle of the panel.

The invention provides a silica gel belt winding and packing device, and belongs to the technical field of mechanical equipment. The silica gel belt winding and packing device solves the problem that the existing silica gel belt winding and packing efficiency is low. The silica gel belt winding and packing device comprises a machine frame; a shell is fixedly connected to the machine frame; a main shaft is connected in the shell in a rotating mode; an inner winding drum is connected to the main shaft in a sliding mode; an outer winding drum is arranged on the inner winding drum in a sleeving mode; a clamping notch is formed in the outer winding drum; a clamping structure is arranged between the inner winding drum and the outer winding drum; a plurality of compressing rolling shafts are further arranged in the shell in the circumferential direction; an inserting rod is further horizontally arranged on the machine frame; a strip-shaped groove is formed in the upper side surface of the inserting rod; and a guide plate is further fixedly connected to one inward end of the outer winding drum. The silica gel belt winding and packing device has the advantages that silica gel belts can be packed more conveniently and rapidly, and the efficiency can be higher.

The invention discloses a cable winding device used for electric power engineering and belongs to the technical field of electric power engineering devices. The device is used for solving the problemthat a roller of an existing cable winding device is large in weight and inconvenient to unload after being fully loaded. The cable winding device comprises a holding table. A plurality of supportinglegs are arranged at the lower end of the holding table. A through groove is formed in the middle of the holding table in a penetrating mode. A roller is arranged above the through groove. The left and right sides of the roller are connected with a first turnplate and a second turnplate correspondingly. A sliding base and a driving motor are arranged on the left and right sides of the through groove correspondingly. The sliding base can move left and right. A driven shaft is connected between the sliding base and the first turnplate. A driving shaft of the driving motor is connected with the second turnplate. A lifting plate is arranged below the through groove. A lifting driving device is arranged at the lower end of the lifting plate. An adjusting plate is arranged at the upper end of the lifting plate and connected with a lead screw transmission unit.

The invention discloses a large filling type karst cave geological tunnel foundation reinforcing structure. A plurality of rows of grouting steel pipe piles are arranged at the bottom of a tunnel inverted arch in the length direction of a tunnel and go deep into underground bedrock or a soil body with a certain depth, a graded broken stone hardcore is laid above the steel pipe piles at the bottomof the tunnel, and a concrete bearing platform is poured above the graded broken stone hardcore. The construction method comprises the following steps of on-site surveying and setting out, drilling, hole cleaning and hole inspection, steel floral tube installation, primary grouting, secondary grouting and tunnel inverted arch bottom concrete bearing platform construction. The requirements for theconstruction quality and the service life of a karst cave geological tunnel foundation can be met, the bearing capacity is high, subsidence of the karst cave geological tunnel foundation is effectively controlled, the mechanical property of the cast-in-place pile is good, the piles are not prone to breakage, and hole collapse and blockage are effectively controlled in the hole forming process of the cast-in-place pile; and the whole foundation reinforcing structure is beneficial to maintaining water and soil stability in a tunnel mountain, and the natural water system environment is not affected.

A method for treating a surface of a quartz substrate includes preparing a substrate to provide a working surface having an initial roughness; and then ultrasonically acid-etching the working surface to increase the roughness of the working surface by at least about 10%. In one embodiment, the initial surface roughness is greater than about 10 Ra, and in another embodiment the initial surface roughness is greater than about 200 Ra. In a still further embodiment, the initial surface area, if less than about 200 Ra, is increased to greater than about 200 Ra. In other embodiments of the present invention, the working surface roughness is increased by at least about 25% or at least about 50%. Simultaneous with the increase in surface area (as measured by the roughness), the surface defects are reduced to reduce particulate contamination from the substrate.

The invention discloses a horizontal online tension tester belonging to testers. The horizontal online tension tester structurally comprises a tension test channel frame, an upper jaw trolley, a lower jaw trolley, a tension power oil cylinder and two slidable steering wheels, wherein guide rails are arranged at the front side and the rear side of the upper part of the tension test channel frame respectively, the lower parts of the upper and the lower jaw trolley are arranged on the guide rails respectively, the two slidable steering wheels are arranged at the left side and the right side of the tension test channel frame respectively, the upper jaw trolley is connected with a main oil cylinder tension frame, the main oil cylinder tension frame is connected with the tension power oil cylinder, and the lower jaw trolley is connected with the guide rails through a motor drive mechanism. Compared with the prior art, the horizontal online tension tester disclosed by the invention has the characteristics of online testing, zero damage in clamping of a workpiece, and the like, thereby having good popularization and application value.

The invention discloses a post-operative rehabilitation exercise device for Stanford A-type aortic dissection patients, comprising a bottom plate, wherein an upper part of the bottom plate near one end of the bottom plate is centrally provided with a driving device, and two sets of lower limb exercise devices are arranged at the position close to the upper part of the bottom plate and two sides ofthe driving device symmetrically. The post-operative rehabilitation exercise device combines the passive rehabilitation movement and the active rehabilitation movement organically, can quicken the patient 's recovery speed, and can effectively prevent arteriovenous thrombosis, can accelerate intestinal peristalsis, increase vital capacity, so that phlegm discharge is facilitated and pulmonary complications can be reduced. In addition, the lower limb exercise devices of the two groups are convenient and quick to fix the lower limbs of the patients, so that the rehabilitation exercise device isconvenient to use, and the sponge pad can improve the comfort degree of the rehabilitation exercise device, thereby stimulating the interest of patients in using the rehabilitation exercise device for rehabilitation exercise, so as to achieve the purpose of rehabilitation exercise, which is worth popularizing and popularizing.

The invention discloses a clamping controllable disc-shaped rotary type inertia piezoelectric actuator and an actuation method. The actuator is composed of a base, a clamping housing, a bearing, an output ring, clamping rhombic rings, clamping piezoelectric stacks, main movement blocks, mass blocks, driving rhombic rings and driving piezoelectric stacks, and the whole actuator is structurally symmetrical; the clamping rhombic rings and the driving rhombic rings are internally respectively in interference fit with the clamping piezoelectric stacks and the driving piezoelectric stacks, the mass blocks and the aforementioned parts are not in contact with the base, and mass centers are disposed in the same plane parallel to the base; and the output ring is connected with a fixation shaft at the center of the base through the bearing, the two clamping rhombic rings whose end surfaces are fixedly connected with the outer ring surface of the output ring are radially arranged at the two sides of the same diameter, axes of the clamping rhombic rings and the driving rhombic rings are vertical to each other, the two are connected through adjacent side surfaces of the main movement blocks placed on a plane of the base, the side surfaces of the mass blocks are fixedly connected with the driving rhombic rings, and other surfaces of the mass blocks are suspended above the base. The structure is novel, clamping is reliable, and bidirectional rotation can be realized.