77 results about "Friction tape" patented technology

A sole abrasion resistance testing device capable of simulating various environments comprises an experiment table base; two friction experiment devices are arranged at the front end of the experiment table base and mounted at an interval; driving motors used for controlling the movement of the experiment table base, couplers and torque sensors are mounted at two ends of the experiment table base respectively; a hydraulic pressurizing device is mounted in the middle of the experiment table base; a foot model device is connected to the output end of the hydraulic pressurizing device and arranged at the tops of the friction experiment devices. Due to up-down movement of transmission rollers in the friction experiment devices, discontinuous friction of two friction tapes on a shoe, gap between the friction tapes, and replaceability of the friction tapes, the front and back soles of the shoe are abraded by the two friction experiment devices respectively; due to the pressure control of the hydraulic stress application device, and replaceability of a foot model, the walking rules of people can be well simulated; due to torque change measurement of the torque sensors, change of friction coefficient can be obtained indirectly to reflect abrasion degree, so that the obtained data are more direct and accurate.

Double-cone rollers are uniformly mounted on the chain at a certain interval by means of mutually-parallel horizontal small shafts, and can be rotated around the small shaft, when the large chain wheel is driven by motor and is used for driving chain to make it rotate, the double-cone roller can be moved with horizontal small shaft, tow sides of every line of double-cone rollers is equipped with slope board respectively, under the auxiliary action of slope board the quasi-spherical fruits can be automatically arranged into single line and come into between rollers, a friction tape mounted under the double-cone rollers is driven by another motor and rotated, the quasi-spherical fruits can be turned on the rollers. Said ivnention is reliable in operation, can be used for wax-spraying, polishing and sorting fruits.

The present invention relates to a frictional power transmission belt having a frictional power transmission surface covered with a warp knitted fabric, in which the warp knitted fabric contains a water absorptive thread in a proportion of 30% by mass or more based on the total amount of threads constituting the warp knitted fabric and a wale direction of the warp knitted fabric is substantially parallel to a belt longitudinal direction.

The invention provides a rubber band filter. A rubber band is mounted on a rack through a driving roller, a driven roller and a tensioning roller; filter cloth is mounted above the rubber band; a filter cloth pressing roller is arranged at the upper part of the filter cloth; a discharging hopper is mounted above the left side of the filter cloth; isolators are uniformly distributed on the filter cloth; vertical roll devices are arranged on side surfaces of the rubber band; a rinsing hopper is arranged above the filter cloth; lifting devices, rubber band bearings, rubber band carrier rollers and a friction tape are arranged at the lower part of the rubber band; a bend roller and a scraping device are arranged on the right side of the rubber band bearings; vacuum boxes are connected with the rubber band through pipelines; automatic liquid discharging tanks are arranged on one side surface of the rack; a washing tank is arranged on the right side of the rubber band; an automatic filter cloth rectifying device is arranged on the rack and connected with a control cabinet. The rubber band filter has the advantages that the equipment is combined with a precipitation method preparation process, the goal of continuity and automation of the process is achieved, the production quality and the yield are substantially improved, the equipment utilization rate and the production efficiency are improved, and the rubber band filter has innovativeness in preparation of a catalyst with a precipitation method and other aspects.

The invention belongs to the technical field of composite manufacturing and relates to a method for preventing a honeycomb from sliding. An anti-slide band is pasted to a tool and is made from a high-friction material. The periphery of each layer of prepreg cloth is closely attached to the friction band, and during the part curing process, the relative position of each layer of the prepreg cloth is ensured through the anti-slide band, so that relative motion of an upper skin prepreg of a sandwich structure and a lower skin prepreg of a sandwich structure is prevented, and the honeycomb is prevented from sliding. The anti-slide band method does not need to change the curing mode of materials and has no special limit to the materials, so that the method is suitable for various prepreg materials. In addition, the operation method is simple and convenient and easy to realize. The sliding problem of the honeycomb in the curing process is effectively solved, and the position and size of a formed part honeycomb meet the requirement of a design drawing.

The invention relates to a belt pulley in a belt driving mechanism, in particular to an intelligent belt pulley for walking beam type pumping unit in oil fields. The invention solves the problems that: the prior speed reducer and belt driving mechanism for walking beam type pumping unit can not meet the requirements of long-stroke low-frequency pumping units and the energy-saving requirements of a matched low power motor. The intelligent belt pulley comprises a planet gear mechanism consisting of a sun wheel, an annular gear, a planet carrier and a planet gear, and a belt pulley consisting of a belt pulley core and a belt pulley, wherein the belt pulley core is axially fixed on a planet carrier shaft through a bearing, the sun wheel is in floating connection with the belt pulley core, the annular gear is surrounded by an external friction tape, one end of the friction tape is fixed on a connecting plate on the body of the speed reducer, the other end of the friction end is fixed on a screw which passes through the connecting plate and is fixed through a nut. The invention which has reasonable and simple structure, high mechanical efficiency and lower power consumption can meet the requirements of long-stroke low-frequency pumping units in various types of oil fields and is also applicable to other universal machines.

Disclosed is a polishing machine for a pot body. A sliding plate is sleeved on a linear sliding rail in an inserting mode, a piston rod of an air cylinder is fixed with the sliding plate, a guide pillar is fixed on the sliding plate, a lifting platform is sleeved in the guide pillar in an inserting mode, a rotary motor is fixed on the lifting platform and drives a friction tape to rotate, a workpiece frame is fixed on the sliding plate, and a pulley is installed on the workpiece frame. A pot body frame is composed of a shaft, a friction disc, a bearing and a pot body positioning mould, wherein the friction disc is fixed on the shaft, an inner ring of the bearing is fixed on the shaft, an outer ring of the bearing is fixed on the pot body positioning mould, a pot body workpiece is sleeved in the pot body positioning mould in an inserting mode, the shaft is arranged on the pulley and located between two baffles, the two baffles are both fixed on the workpiece frame, the friction tape faces the friction disc, a polishing motor is fixed on a machine frame, and a polishing brush wheel is fixed on a rotation shaft of the polishing motor. The polishing machine for the pot body relieves the labor intensity for workers, improves production efficiency, and does not need a person to hold the pot body by hand for polishing.

In a friction belt brake with a rotary cylinder (1), which is wound around at least a part of its circumference by a friction belt (2), and with a support (3) for the friction belt, which in a first braking position, can be pivoted around a first axis (9; 25) and two securing points (10, 11) for respectively opposite end sections of the friction belt, wherein a first of the two securing points has a longer lever arm (a) in relation to the first axis than the second securing point (11), the provision is made that in a second braking position, the support (3) can be pivoted around a second axis with regard to which the second securing point has a longer lever arm than the first.

The invention belongs to the technical field of vehicle stopping and particularly relates to a self-adjusting static friction type vehicle stopping mechanism. The self-adjusting static friction type vehicle stopping mechanism comprises a plurality of wheel constraint mechanisms, wherein each wheel constraint mechanism comprises a friction belt, a balance block, spiked nails, a force applying board, resistance wheels and a friction wheel and can constrain the wheel of a running vehicle. After the wheels are constrained by the wheel constraint mechanisms, the car drags the wheel constraint mechanisms to move forwards along with the vehicle, static friction force between the ground each friction belt is generated to drive the friction belt to rotate due to the fact that the friction belt is arranged on the bottom surface of the wheel constraint mechanism, and the resistance wheels on the friction belt generate appropriate resistance to allow the resistance of the resistant wheels to constantly keep the static friction state between the ground the friction belt. In addition, the balance block is added into each wheel constraint mechanism, the positions of the balance body in the wheel constraint mechanism are adjusted according to vehicle speed, the faster the vehicle is, the more rear the balance block is, forward turning, driven by the vehicle, of the wheel constraint mechanism is prevented, fast vehicle braking is achieved, and a good use effect is achieved.

A traction element for carpeted stair treads or other flooring includes a deformable substrate secured by screws to the tread that is vertically aligned with the top edge of a riser and slightly rearward of the tread leading edge. The substrate is covered with adhesive backed friction tape. The screws extend through respective apertures centered in respective concave tapered annular recesses defined in the substrate. The apertures are in a linear array defining a bend axis along the substrate length and the tread width and about which the substrate deforms as it is being threadedly attached to the tread. When thusly bent the substrate top surface becomes concave such that its forward edge is higher than its rearward edge, thereby establishing a slight forwardly extending incline. The tape strip conforms to the bent substrate and its exposed top surface comprises a high friction or abrasive substance.

The present invention relates to a device for positioning, frictionating and transmitting chain of plastic bottle-tube heater. The device is arranged on a friction bracket and a chain bracket on the heater; a friction tape is arranged on the friction bracket; a drive chain is arranged on the chain bracket; the plastic bottles are transmitted between the friction tape and the chain; the invention is characterized in than a rotary position friction pulley is arranged on the chain; the rotary position friction pulley is inserted between the plastic bottle-tubes and contacted with heads of the plastic bottle-tubes. According to the technical proposal, the rotary position friction pulley is arranged on the chain (can be one side); the rotary position friction pulley extends (is inserted) between each plastic bottle-tube in operation (the plastic bottle-tubes import into the heater one by one in discontinuous arrangement); the plastic bottle-tube is positioned to maintain a certain spacing distance in heating operation; friction on the bottle-tube can generate rotation while the bottle-tube moves forward (revolution); the device is good in heating effect and conducive for entering a subsequent stretch and blow processing.

The invention discloses a powder control structure of a novel printer, which comprises a supporting member, a metal friction piece connected with a development element in a toner cartridge, an elastic mechanism is provided between the supporting member and the metal friction piece, when the printer works, powdered carbon absorbed on the surface of an aluminum pipe carries higher electrified quantity through the friction of the metal friction piece, an uniform layer of electrified powdered carbon can be formed on the surface of the aluminum pipe through extrusion effect of the elastic mechanism, thereby the stabilization of powder control can be realized. The powdered carbon with the above structure effect has characteristics of higher electrified quantity and stable powder control, so that the problems of light printing color, decreased blackness and bottom ash caused by insufficient electrified quantity of powdered carbon can be avoided.

The invention discloses a method of carbonizing hot stamping pattern and a device designed for the method, the steps of method are as follows: 1) preparing a device of carbonizing hot stamping pattern which includes a machine foundation, a conveying device is provided on the machine foundation, a heating drum is provided on the upper of the conveying device, the protruding pattern is provided on the surface of the heating drum and the clearance is remained between the upper surface of the conveying device and the heating drum; 2) placing the board of the hot stamping pattern to be carbonized on the clearance between the upper surface of the conveying device and the heating drum, adjusting space of the clearance between the upper surface of the conveying device and the heating drum to contact the protruding pattern of the surface of the heating drum with the upper surface of the board; 3) driving the board to move by the conveying device, when the board moves, driving the heating drum to roll with rotation by friction to hot stamp the protruding pattern on the surface of the heating drum on the upper surface of the board and to hot stamp with carbonizing the corresponding pattern on the upper surface of the board, so as to obtain the board with the carbonizing hot stamping pattern.

The invention belongs to the field of mechanical conveying/appearance defect detection, particularly relates to a conveying mechanism used for cylinder side face defect visual inspection. The mechanism mainly comprises a rack, a friction belt, a transmission roller, a power shaft, a belt and a camera. Power is output through the belt, the belt drives the power shaft, and therefore rotation of the friction belt relative to the transmission roller is achieved, full circumference rolling of a cylinder is achieved, the side face of the cylinder is completely exposed under a detecting device, the requirement of cylinder side face detection is met, and the cylinder side face defect detecting efficiency and detecting quality are improved.

The invention provides a bagging machine. The bagging machine comprises a paper conveyance mechanism, a bag conveyance mechanism and an bag opening and paper loading mechanism; the paper conveyance mechanism is provided with a first friction band used for conveying to-be-bagged paper; the bag conveyance mechanism is provided with a second friction band used for conveying a charging bag to be filled with the paper; and the bag opening and paper loading mechanism is arranged between the paper conveyance mechanism and the bag conveyance mechanism to load the paper conveyed from the first friction band into the charging bag conveyed from the second friction band. The bagging machine solves the problem that the efficiency of bagging methods in the prior art is relatively low.

A motorized shade assembly is provided having a discontinuous web extending between two rollers, one of which is motorized and the other is tensioned or biased toward rotation away from the other roller. The roller motor can be mounted inside of one of the rollers, and the tensioning device, such as a torsion spring, can be mounted inside of the other roller. The web includes a shade portion and a strap portion, with a rigid draw bar at the junction of those portions. Rotation of the rollers causes the strap portion to wrap over one of the rollers as the shade portion unwraps from the other roller. The shade assembly can be positioned between an inclined or curved vehicle window and an interior shroud for the window, such as found with a cab-over window of a Class B motorhome. The draw bar and fasteners connecting the strap to the draw bar facilitate movement of the shade when in contact with the shroud. Friction reducing tape or surface treatment on the periphery of the window opening in the shroud can also facilitate movement of the shade when in contact with the shroud. Motor actuation can be hardwired to a desired location within the vehicle, or wirelessly controlled by the user, as with an RF device.

The curved friction conveying plastic bottle pipe heater includes one heater support, and one S-shaped plastic bottle pipe conveying and heating mechanism with a pipe supporting unit of plate or strip, a friction belt driven with a transmission mechanism and an electric heating unit. The friction belt is flat one or toothed one; and the conveying and heating mechanism has also a feeding mechanism and one discharge mechanism. The present invention has simple structure, easy installation, short heating path, high heat efficiency, low production cost and other advantages.

The invention discloses automatic polishing equipment comprising a transmission device, a telescopic rod, a rotating device, an electric permanent magnet, a machined piece, a friction belt, a drivingwheel, a driven wheel and magnetic blocks. The right side of the transmission device is provided with the telescopic rod, the rotating device is arranged at the bottom end of the right side of the telescopic rod, a rotating rod is arranged at the bottom end of the rotating device, the electric permanent magnet is arranged at the bottom end of the rotating rod, the machined piece is adsorbed onto the electric permanent magnet, and the bottom end of the machined piece makes contact with the friction belt; the front end of the friction belt is arranged on the driving wheel in a sleeving mode, therear end of the friction belt is arranged on the driven wheel in a sleeving mode, and the magnetic blocks are arranged at the upper ends of the driving wheel and the driven wheel correspondingly. Theautomatic polishing equipment is high in automatic degree, the different machining modes can be selected according to the different machined pieces, and the working efficiency is improved.