3196results about How to "Prevent slippage" patented technology

An expandable stabilization device is disclosed that is suitable for deployment within cancellous bone, including, for example, within a vertebral body of a spine. The device comprises: an elongate expandable shaft adapted to be positioned within a vertebral body having a first profile and a second profile; wherein the shaft is adapted to cut through cancellous bone within the vertebral body during expansion from the first profile to the second profile; and further wherein the shaft is adapted to abut a surface of cortical bone within the vertebral body without passing therethrough. The invention also includes a method for treating cancellous bone, such as cancellous bone of a vertebral body. The method comprises: delivering an expandable device within the cancellous bone of in an interior of a vertebral body; expanding the delivered device within the cancellous bone of the vertebra body; applying force from a surface of the device to an inner surface of a cancellous bone of the vertebral body sufficient to cut through the cancellous bone; and applying force from a surface of the device to an inner surface of a cortical bone of the vertebral body sufficient to support the vertebral body

The present invention teaches a method of constructing head-mounted virtual display apparatuses for mobile activities based on a non-cross-cavity optical configuration, which simultaneously provides the user with "look toward" access to an inset virtual image and an unobstructed forward field of view of at least 35 degrees. In one embodiment, a pair of light deflecting elements and associated adjustment means project a light path from the normal peripheral field of view towards the eye without geometric distortion of the virtual image associated image plane tilt.

A track assembly comprising an endless track trained about a sprocket and forward and aft sets of idler wheels. A plurality of apertures at the sprocket engage drive lugs that project from an interior track surface. Longitudinal stabilizer arms restrain the idler wheel axles, idler wheels, sprocket support rollers, sprocket and track against lateral movement and tension the track. Overlapping seals are formed at the idler wheels and / or sprocket support rollers. Alternative sprockets having cutouts or pockets that capture different drive lug configurations are also disclosed along with several alternative track tensioning assemblies that rotate in an eccentric fashion to tension the track.

The invention relates to environment-friendly type river and lake controlling and cleaning equipment. The environment-friendly type river and lake controlling and cleaning equipment comprises a boat body, power devices, a storage slot, a compression device, movable gripping devices, cut-off devices, a salvaging device and a conveying device, wherein the power devices are symmetrically mounted at the left side and the right side behind the boat body separately along the longitudinal central axis of the boat body; the compression device is positioned above the storage slot; the movable gripping devices are separately positioned at the left side and the right side of the compression device; the cut-off devices are positioned at the outer sides of the movable gripping devices; the salvaging device is positioned in front of the boat body; and the conveying device is positioned between the salvaging device and the storage slot. The environment-friendly type river and lake controlling and cleaning equipment integrates the functions of floating force adjusting, water-surface travelling, waste compacting, aquatic plant gripping, garbage salvaging, garbage conveying and the like, realizes the functions of eliminating aquatic plants in rivers and lakes as well as floating waste on the water surface, achieves the effect of dredging the rivers and the lakes, keeps water in the rivers and the lakes clean, is high in integral mechanical degree, is complete in function and is high in operating efficiency.

The invention relates to a method for edging an optical article comprising the following steps: providing an optical article having two main faces, at least one of which being coated with an outermost layer; fixing the optical article to a chuck by means of a holding pad, the surface of the holding pad to be contacted with the optical article being coated with an adhesive material; and edging the optical article; wherein prior the step of fixing the optical article to the chuck, at least one temporary protective layer of an organic material is formed onto said outermost layer of the optical article, the organic material of the temporary protective layer comprising at least one organic compound having a fluorinated functional moiety, and a linking functional moiety capable of establishing at least one intermolecular bond or interaction with the adhesive material of the holding pad.

The invention relates to a method for preparing a composite material sucker rod which can prevent camber wear and a device thereof. Combining pultrusion and winding, fibre is immersed by resin matrix, and the composite material sucker rod is prepared by pultrusion, curing and shaping; the surface of the rod body is continuously wound with wearing fibre immersed by resin matrix glue after shaping; the rod body of the sucker rod, the surface of which is provided with a camber wear preventing layer of a spiral bar shape is obtained by curing; the rod body of the sucker rod is cut to be in fixed length, is connected with a metal joint by glue, and is treated in a joint curing furnace; the whole sucker rod is stretched by inherent stress. The surface of the rod body of the sucker rod is provided with the camber wear preventing layer of a spiral bar shape, thus having excellent camber wear preventing performance while ensuring a high intensity of the sucker body; the inverse cone structure of the metal joint and the pressure injection glue connection process ensure the joint part has the properties of high intensity and fatigue proof, the service life of which is consistent with the composite material rod body, and the reliability of the products is greatly improved.

The invention relates to old rubber powder modified asphalt and a preparation method thereof. In the preparation method, asphalt, old rubber powder, a compatibilizer, and a dispersant are thoroughly mixed, and are cut and broken at high speed for a period of time, and are arranged in a tank for upgrowth for a period of time, thus getting the product. In the preparation method, junked tire rubber powder is used as a key component, thus improving the performance of the product, reducing the product cost, changing wastes into valuables and reducing the pollution. The product can be widely used as construction and maintenance materials of roads, such as deck waterproof layers, stress absorbed layers, synchronous crushed stone seal coat of asphalt and so on.

The invention discloses a sprinkler wagon self-walking type reel sprinkler and a using method thereof. The sprinkler wagon self-walking type reel sprinkler comprises a chassis (1), a reel (2), a PE pipe (3), a water turbine case (4), a reel driving gearbox (5) and a sprinkler wagon (6). The sprinkler wagon comprises a power source (63), a sprinkler wagon driving gearbox (64), a control valve set (67) and a water tank (68). The input end of the control valve set (67) is connected with the output end of the PE pipe (3). One path of the output end of the control valve set (67) is connected with a sprinkler (66) through a pipeline, and the other path of the output end of the control valve set (67) is connected with the water tank (68). The lower portion of the water tank (68) is further provided with a stop valve V (681). According to the sprinkler wagon self-walking type reel sprinkler, the weight of the sprinkler wagon is changed by changing the water storage amount of the water tank, and the unreeling resistance of the PE pipe can be lowered during unreeling of the PE pipe on the premise that enough road grabbing capacity generated by the sprinkler wagon pulls the PE pipe for self-walking.

The invention belongs to the technical field of dish washing machines, and provides a spraying arm device and a dish washing machine with the same. The spraying arm device comprises a spraying arm main body with a first hollow inner cavity, a water inlet and a plurality of first injection orifices. The spraying arm main body is convexly provided with a water inlet pipe at the water inlet position. The spraying arm device further comprises a spraying arm auxiliary body with a second hollow inner cavity and a plurality of second injection orifices, a fixed conical gear and a clamping ring, wherein the outer circumference of the water inlet pipe is sleeved with the fixed conical gear, and the clamping ring is connected to the water inlet pipe in a fastened mode to be used for clamping the fixed conical gear to the water inlet pipe. The spraying arm auxiliary body is arranged on the spraying arm main body in a sleeving mode from one end of the spraying arm main body. A movable conical gear matched with the fixed conical gear is convexly arranged at one end of the spraying arm auxiliary body. The outer wall of the spraying arm main body is provided with a communicating hole communicating the first hollow inner cavity with the second hollow inner cavity. According to the spraying arm device and the dish washing machine with the same, tableware can be washed in an upper-lower opposite flushing mode, the area range which the washing water can directly flush can be effectively enlarged, washing dead corners are avoided, and the tableware washing efficiency and effect are improved.

The invention discloses a storage winch with a function of measuring tension and length of a cable. The storage winch comprises a cable storage cylinder, a support device, a cable guide device, a driving component, a cable arranging mechanism, a warning device, a power transmission communication interface connection device, a lightning attractor, a cable tension measuring device and a cable length measuring device. For cable length measurement, two lines of independent but related proximity switches are adopted for improving work reliability and measurement accuracy; for tension measurement, a pressure sensor is adopted, and force application pin rolls at two pin joint support seats between a cable guide support and a cable arranging sliding block are used for transmitting tension of the cable. The storage winch can be matched with a friction drive winch, is applicable to storage of a large volume of cables and arrangement of cables in order based on special support cables, has functions of measuring tension and laying length of the cable, protecting the cable and guaranteeing the operation safety, and meets special task requirements on large load, good safety, reliable operation, long cable laying distance, and the like.

The invention relates to an individuation minimal invasive vertebral pedicle screw entering navigation template and a preparation method of the navigation template. The preparation method of the navigation template includes: reconstituting a three-dimensional model of a target vertebra based on a medical image; conducting the screw entering porous channel virtual analysis design on the three-dimensional model and defining a screw entering porous channel; taking feature points from the three-dimensional model, designing a vertebral pedicle screw entering navigation template prototype and obtaining a navigation template which fully fits for the vertebral body through the Boolean calculation; and manufacturing the navigation template through 3D printing and other processing methods. The individuation minimal invasive vertebral pedicle screw entering navigation template closely fits for the mastoid process and the lamina arcus vertebrae, is high in stability, ensures accurate implanting of the vertebral pedicle screw, avoids direct contact with the spinous process, reduces peeling of the muscle ligament, realizes minimal invasion, is applicable to various situations such as the vertebral distortion and slipping and the rupture of the vertebral pedicle, prevents slipping and distortion during screw entering due to the arrangement of a finger pressing board, and is convenient to operate and low in the requirement for doctors, degreases the operation risk, improves the operation efficiency and reduces the operation cost further.

The invention provides a portable travelling suspended-moxibustion and pecking-moxibustion device with functions of smoke exhaust and automatic height adjustment, and belongs to the technical field of medical appliances and devices. When moxibustion is used for treating diseases, medical staff holds a lighted moxa cone to perform moxibustion on a corresponding acupoint or perform moxibustion on a plurality of acupoints along main and collateral channels for a period, the operation process wastes time and labor, and the treatment efficiency is low; and the indoor environment is easily polluted by massive smoke generated by combustion of moxa cones when a plurality of patients are treated in a sickroom, so that the health of patients and medical staff are disadvantaged. The device is characterized in that a support (13) is fixed on a rack insert tube (5); a low-speed motor (14) with a gear (12) is fixed on the support (13); the gear (12) is engaged with a lifting rack (6) with a chute. The portable travelling suspended-moxibustion and pecking-moxibustion device has the advantages of time and labor saving in moxibustion treatment and no environmental pollution which is disadvantaged to health of patients and medical staff.

A false eyelash that is easily wearable and prevented from slippage and separation while in use includes an extremely thin base, bonding layer formed linearly on a surface of the base, a plurality of hair segments individually and separately adhered to the bonding layer, and an adhesive layer formed on an entire underside of the base. The base is formed into substantially a two-dimensional configuration or three-dimensional configuration that contours a curved shape of an eyelid to which the base is fitted. Since the base is formed into an extremely thin two-dimensional configuration or a three-dimensional configuration that contours a curved shape of the eyelid, it may be fitted tightly to the eyelid. The hair segments are firmly adhered to the bonding layer such that they remain linearly attached to the base, by which the false eyelash with the well-aligned hair segments can easily be fitted to the eyelid.

The invention discloses a potentiometer. The potentiometer comprises a resistive element, an insulation base supporting the resistive element, an electric brush and a rotating handle driving the electric brush to rotate, wherein the resistive element is circular-fan-shaped, a first limiting baffle block and a second limiting baffle block are respectively arranged at two end parts of the resistive element, the electric brush and the rotating handle are installed at the circle center of the resistive element, the section of the electric brush is step-shaped; the thickness of the part, close to the resistive element, of the electric brush is greater than the thickness of part, close to the rotating shaft, of the electric brush; a plurality of raised adjusting gear blocks are arranged between the first limiting baffle block and the second limiting baffle block along the arc-shaped circumferential surface of the insulation base, and a positioning groove positioned above the raised gear adjusting blocks is formed in the rotating handle. The rotating handle drives the electric brush to rotate to adjust the value of resistance, so that unnecessary friction during rotating process of the electric brush is effectively reduced, the raised adjusting gear blocks are used for adjusting and controlling gears, and the second rotating shaft can move up and down relative to the first rotating shaft, so that gear locking and adjusting is realized.

The invention relates to a grabbing mechanism of a bicycle conveying platform. The grabbing mechanism is characterized by consisting of a grabbing sliding base, a grabbing motor, a lead screw, a lead screw sleeve and symmetrical grabbing arms; the grabbing motor is fixedly arranged on the grabbing sliding base; the motor rod of the grabbing motor is connected with the lead screw; the end part of the lead screw is connected with the lead screw sleeve; the two sides of the lead screw sleeve are connected with the tail ends of the two grabbing arms; and the two grabbing arms are driven by the grabbing motor through the lead screw to open and close. The grabbing mechanism is scientific and reasonable in structural design; bicycle grabbing motion can be performed rapidly, stably and safely; besides, the support is stable and reliable; and the operation is convenient.

The invention discloses an automatic respirator. The automatic respirator comprises an air pump, an expandable air bag, a mask and a control module; an air inlet of the air pump is connected with an air source or an oxygen source at the same time, an air outlet of the air pump is connected to the expandable air bag, and the expandable air bag is connected to the mask through a respiratory tube and is made of an elastic thin-wall material; a pressure control valve is connected between the expandable air bag and the mask, a valve is arranged between the expandable air bag and the air pump, and the pressure control valve is connected to the signal input end of the control module and connected to the valve through the signal output end of the control module. By means of electric operation, the automatic ventilation function is provided, after pressure of the expandable air bag reaches a certain value, the pressure control valve can be triggered to be switched on, and air in the air bag input air to the pressure control valve to achieve the automatic ventilation function of the air bag. Enough tidal volume and needed respiratory rate can be ensured, respiration parameters are made to be precise, the tidal volume and needed respiratory rate can be adjusted, and inconvenient operation during human assistance respiratory is avoided.

The invention relates to a fibre reinforced composite anti-eccentric coiled rod and a preparation device thereof. The technical scheme adopted by the invention is as follows: one or more sections of the external surface of a fibre-reinforced resin matrix composite rod body is coated with a thermoplastic wear layer; the rod body is made of one of fibreglass, carbon fibre and basalt fibre; and a resin matrix is one of epoxy resin, urethane resin and vinyl ester resin. A plastic extruder and a cooling device are arranged between a draw gear and a winding device, the plastic extruder is used for coating one thermoplastic wear layer on one or more sections of the surface of a molded sucker rod, and then the cooling device is used for performing cooling treatment, so that the fibre reinforced composite anti-eccentric coiled rod is formed. The invention has the following beneficial effects: the coiled rod has excellent anticorrosion and anti-eccentric performances; the quantity of joints is greatly reduced; the breakage probability and the piston effect are reduced; and in addition, the production efficiency is high, and the operation is simple and convenient.

The invention discloses a plunger tool for gas recovery by liquid drainage in gas wells. The plunger tool is flexible, more specifically, the plunger tool comprises a flexible plunger assembly, which comprises a flexible central body, a plurality of plunger unit bodies connected in series are sleeved on the periphery of the flexible central body, and each two neighboring plunger unit bodies are in spherical contact with each other; when the flexible plunger assembly passes through a slant hole interval, the flexible central body is bent, each plunger unit body is displaced relatively, and the plunger unit bodies are still kept in spherical contact with each other. When operating in a wide-dogleg degree interval, the flexible plunger tool (12) receives the effect of the horizontal force of the inner wall of a tubing, the length of the flexible central body (13) is changed, the extension and retraction of the flexible central body are compensated by a floating mechanism on the top of the plunger tool (12), and thereby the flexible central body (13) is prevented from being damaged. The plunger tool overcomes the defects of the conventional rigid plunger, and improves the adaptability of the plunger lift technique to highly slanted directional wells.

A garment for animals includes a first panel of flexible material attachable to a second panel of flexible material, the first and second panels being connectable to each other by adjustable chest, body and tail fittings, such that the garment can be configured in situ to fit various sizes and shapes of animals, such as dogs. The garment is adapted to receive a disposable pad on an underside of the garment on the animal.

The invention relates to a sweet potato rotary tillage ridging transplanting combined operation machine suitable for transplanting an exposed sweet potato seedling, and belongs to the technical field of agricultural planting machinery. The combined operation machine comprises a transplanting unit and a rotary tillage ridging unit which are connected by a connection frame; the outside of traction plates, forwards extending, at two sides of the middle of a horizontal main rod of the connection frame is fixedly connected with a rotary tillage unit; a pair of traction plates downwards extend to a stubble pressing disc; a ground wheel assembly at the front side of the transplanting unit is provided with a transmission shaft in transmission connection with a power input end of the transplanting unit; a working chain wheel is arranged at one side of the ground wheel; the working chain wheel is in transmission connection with a driven chain wheel on the transmission shaft by a chain; a ridge repairing assembly is arranged at the rear side of the transplanting unit; a pair of splayed soil collecting discs are hinged to a support member of the ridge repairing assembly; each disc supports a roller. Stubble pressing and stubble damaging operations can be reliably finished by the sweet potato rotary tillage ridging transplanting combined machine, the ground wheel assembly works from a furrow without damaging the ridge form, and the ridge repairing assembly can automatically finish the soil ridging, ridge smoothening and ridge repairing works after the transplantation.

The invention discloses a flushing control method and system for solenoid valves of a wet type dual clutch transmission clutch. The transport condition of a vehicle is detected, and state judgment iscarried out in real time; when the vehicle is normally driven, impulse type flushing is carried out on the solenoid valve of a clutch which does not work; and when the solenoid valve is blocked and apressure difference failure, vehicle limping or a parking state are given out, impulse type flushing is carried out on the broken clutch solenoid valve, when impulse type flushing cannot eliminate theblocking failure, impulse type flushing is carried out on the solenoid valves of the two clutches at the same time in a parked state, and therefore automatic recovery of the solenoid valve state is achieved. By means of the flushing control method and system, the cleanliness of the solenoid valves can be guaranteed, a transmission failure is prevented, and the probability of the transmission failure is reduced; and the service life of the transmission is prolonged, and the maintaining cost and the using cost are saved.

The invention discloses a pipe fitting reversing and feeding mechanism, and belongs to the field of workpiece machining and conveying mechanical equipment. A reversing mechanism is vertically disposedon one side of the upper portion of a fixed bracket, and a pipe-guiding mechanism is obliquely and downwardly disposed on the fixed bracket on the lower side of the reversing mechanism; a turnover mechanism is vertically disposed on the fixed bracket on the lower side of the pipe-guiding mechanism, and a pipe-discharging charge-pipe is horizontally arranged at the lower end of a pipe-guiding charge-pipe in a communicating mode; a pipe-limiting mechanism is fixedly arranged on the lower side of a pipe-placing clamping groove in inclined and upward modes, wherein the pipe-placing clamping groove is formed in the lower end of a pipe-blocking connecting plate; a pipe-blocking fixing block is fixedly and horizontally arranged in the middle of the pipe-guiding charge-pipe, and a pipe-feeding push plate of a circular arc structure is vertically arranged at the upper end of a pipe-pushing turnover plate; and the upper end of a slide downward charge-pipe communicates with the lower end of thepipe-guiding charge-pipe, and one end of a pipe-collecting turnover plate is connected to the upper side of the slide downward charge-pipe in a hinged mode. The pipe fitting reversing and feeding mechanism is reasonable in structural design, and pipe fittings can be transferred smoothly and conveniently one by one in a reversing mode, turnover is carried out accurately during the pipe fitting feeding process, thereby the automatic adjustment of pipe fitting working stations is realized, and the needs of machining and use are met.

The invention provides an electronic parking control system of an electric motor coach. The electronic parking control system comprises a single chip microcomputer, a hand braking switch, an automatic parking switch, an accelerator pedal, a braking pedal, a vehicle speed sensor, an angle sensor, a front axle solenoid valve, a rear axle solenoid valve, a hand braking solenoid valve, a parking indication lamp and an automatic parking indication lamp, wherein the output ends of the hand braking switch, the automatic parking switch, the accelerator pedal, the braking pedal, the vehicle speed sensor and the angle sensor are connected with the input end of the single chip microcomputer; the output end of the single chip microcomputer is connected with the front axle solenoid valve, the rear axle solenoid valve, the hand braking solenoid valve, the parking indication lamp and the automatic parking indication lamp. The invention further discloses a control method of the electronic parking control system of the electric motor coach. The functions of decelerating and braking, parking on a slope, automatically parking and the like of the electric motor coach can be reliably realized, and a slope sliding or slipping phenomenon can be prevented; the labor intensity of a driver is reduced, and the safety, controllability and driving comfort of the vehicle are improved.

A garment for animals includes a first panel of flexible material attachable to a second panel of flexible material, the first and second panels being connectable to each other by adjustable chest, body and tail fittings, such that the garment can be configured in situ to fit various sizes and shapes of animals, such as dogs. The garment is adapted to receive a disposable pad on an underside of the garment on the animal.

The invention relates to a water quality surface environment shooting collecting intelligent device. The water quality surface environment shooting collecting intelligent device comprises a land walking device, water walking devices, a lifting device, a three-freedom-degree parallel mechanism and a shooting device. The water walking devices are located on the left side and the right side of the land walking device correspondingly and connected with the land walking device. The lifting device is located over the land walking device, and the lower end of the lifting device is connected with the upper end of the land walking device. The three-freedom-degree parallel mechanism is located between the lifting device and the shooting device, and the lower end of the three-freedom-degree parallel mechanism is connected with the lifting device. The upper end of the three-freedom-degree parallel mechanism is connected with the shooting device. The water quality surface environment shooting collecting intelligent device has the functions of land walking, water walking, orientation angle adjustment, camera fixation and shooting operation, and is high in intelligent level, convenient and flexible in orientation angle adjustment, and convenient and stable in camera fixation, and shooting is fast and high in quality. The problems that existing manual shipping shooting and monitoring are large in difficulty, high in risk and poor in shooting quality are solved.

A disposable cutting sheet for cutting and preparation of food items thereon includes a first section having a plurality of apertures therethrough and a cut resistant surface, a second liquid impermeable section disposed adjacent the first section, and a fold line disposed between the first section and the second section, wherein folding along the fold line forms the cutting sheet. The cutting sheet further includes an absorbent material, wherein the first and second sections are folded along the fold line and moved relative to one another to form a pocket therebetween such that the absorbent material is disposed in the pocket between the first and second sections. One of a surface of the first section that faces the absorbent material in a folded position and a surface of the second section that faces the absorbent material in a folded position is roughened or textured in order to prevent slippage of the absorbent material within the sheet when folded.

The invention provides a driveway maintenance control device and a driveway maintenance control method. Through use of lane information obtained from a front camera, information obtained from a sensor mounted on a vehicle and information obtained from a car navigator, driveway maintenance of vehicles can be supported. The driveway maintenance control device is characterized by comprising a road curvature computing part, and the curvature of a curve road ahead of the vehicle can be computed through use of the information obtained from the front camera and information obtained from the car navigator; the driveway maintenance control device also comprises a center deviation computing part, a target trajectory computing part and a target steering torque computing part; the center deviation computing part is used for computing center deviation of the curve road on the basis of the curvature, the target trajectory computing part is used for computing a target trajectory of the curve road on the basis of the center deviation, and the target steering torque computing part is used for computing object steering torque on the basis of the target trajectory.

The invention relates to storable rubber powder modified asphalt which is characterized by comprising asphalt, rubber powder, an activating agent and an anti-reversion agent, wherein the asphalt is heavy road petroleum asphalt, the penetration degree is 50-110, the rubber powder is the rubber powder prepared by grinding a waste tyre by adopting a normal temperature method, the weight ratio of the asphalt and the rubber powder is 70-85:15-25, the rubber powder contains a cross linker accounting for 0.1-0.5wt% of the rubber powder, and the technical indexes of the rubber powder are as follows: the water content is smaller than 5 percent, the metal content is smaller than 0.4 percent, the ash content is smaller than 8 percent, and the size is 20-80 meshes. The activating agent is an alkyl phenol polysulfide and accounts for 0.1-1wt% of the rubber powder, and the anti-reversion agent is a bimaleimide or silane tetrasulfide compound and accounts for 0.1-0.5wt% of the rubber powder. The product has the characteristic of softening-point attenuation resistance when in high temperature storage, is widely applied to an asphalt mixture and has the characteristics of factory continuous and stable environment-friendly production, low oil usage quantity and the like.