34results about How to "Reliable traction" patented technology

Shoe soles with and without removable / replaceable gripping pods for athletic or sport shoes are provided with enhanced traction. The sole portions or gripping pods may be provided with a supply of a substance that exhibits a tackiness for enhancing friction between the shoe sole and the any hard floor. The tackiness-enhancing substance may be time-released or discharged from within the shoe sole onto the lower surface(s) of the sole that make(s) contact with the smooth hard playing surface or may be in response to compression or shear forces acting on the sole during play to prolong the tacky properties and reduce slippage. A visual indicator may be provided for notifying the player that it is time to replace the worn or used pod and insert a fresh pod or insert into the pod(s) to maintain high levels of gripping.

Tension belt or harness made of elastic material with an essentially flat drive side, in particular an elevator belt, in which tension carriers or cords running parallel in its longitudinal direction are embedded in the elastic material of the tension belt or harness , and the tension belt or harness swivels around the pulleys and / or deflection rollers of the belt drive, thereby driving, turning or guiding the tension belt or harness, wherein the flat drive side of the tension belt or harness is provided with a or A plurality of grooves, wherein portions of the grooves extend with varying inclinations relative to the longitudinal direction of the belt and have a periodicity in the longitudinal direction of the belt, wherein, within one period, the orientation of the individual groove portions relative to the longitudinal direction or The inclination is formed such that the lateral force components induced by the orientation or inclination of the grooves and acting on the latter during the rotation of the belt are balanced.

A tread profile of a pneumatic vehicle tyre having profile block elements (2) which are spaced apart from one another by profile grooves (3, 4, 5) and which are each bounded outwardly by a radially outer surface (6) which forms the ground contact face, wherein a plurality of additional fine grooves (9, 10, 11, 12), which extend along a second main direction of extent and are embodied with a groove width Bp and with a groove depth TF, are arranged one behind the other in a first main direction of extent in the radially outer surface (6) of the profile block elements (2), characterized in that the groove width Bp is 0.05 mm < BF < 0.4 mm and the groove depth TF where TF is < 0.05 mm, and in that at least the fine grooves (9, 10, 11, 12), arranged one behind the other within a surface section (7) of the radially outer surface (6) of a profile block element (2) are embodied with different groove widths Bp, wherein the groove width Bp of these fine grooves (9, 10, 11, 12), arranged one behind the other in the surface section (7), increases in a first orientation of the first main direction of extent, viewed along the extent of the surface section (7) – in particular from the fine groove (9, 10, 11) to the fine groove (10, 11, 12).

A portable lower limb fracture traction frame relates to a lower limb fracture traction device for orthopedic medical treatment. The traction frame mainly includes an outer tube, an inner tube arranged in the outer tube, a handle fixed at one end of the inner tube, a fixed support for feet, and a fixed support for thighs arranged at one end of the outer tube; There is a row of unidirectional force-bearing teeth on the inner wall. The self-locking angle of the teeth is 0-45 degrees, and the slip angle is 45-80 degrees; The fixedly connected pawl part is made up of a pawl, a pawl rotating shaft, an adjusting screw, a spring and a backguy. The invention can make lower limb fracture patients achieve the purpose of traction and reset without going to the hospital, and has the advantages of compact structure, quick adjustment, reliable traction, convenient carrying, etc., and is especially suitable for use on the battlefield or in catastrophic first aid.

The invention discloses a river-crossing structure for auxiliary traction of a carrying cable by a trolley of a cable machine. It includes a traction system, a connection system, a cable machine traveling trolley, and a lifting traction rope; the traction system includes a cable machine traveling trolley, a reciprocating rope, a load-bearing rope hoist, a reciprocating rope hoist on the releasing side, a reciprocating rope hoist on the non-releasing side, curved rails, guide wheel; the connection system includes rope clamps, filled steel wires, anchoring devices, and hoisting traction ropes; the hoisting traction ropes connect the carrying ropes and the trolley of the cable machine; The cable hoist releases the rope, the reciprocating rope hoist on the non-releasing side takes in the rope, and the cable hoist trolley moves to the non-releasing side under the drive of the traction mechanism. It overcomes the disadvantages of low efficiency, long construction period and potential safety hazards in the existing technology; it has the advantages of short construction period, stable traction process, high economic benefit and high safety factor for crossing the river. The invention also discloses a method for assisting the traction of the carrying cable by the trolley of the cable machine to cross the river.

The invention discloses automatic guiding, sticking and edge sealing equipment for corrugated lines. The equipment comprises an adhesive tape unwinding device and a support; and a first limiting device, an adhesive tape guiding wheel, an automatic adhesive tape guiding and sticking device, an adhesive tape overturning and sticking device and a second limiting device are sequentially arranged on the support in the advancing direction of a corrugated paperboard production line. An upper rocker and a lower rocker which are arranged vertically symmetrically are used for performing adsorbing fixingon an adhesive tape guiding head, so that the adhesive tape guiding head can be pulled reliably; after the upper rocker and the lower rocker are closed, the adhesive tape guiding head and corrugatedpaperboards are clamped together in the upward direction and the downward direction, so that the adhesive tape guiding head is ensured to be stuck to the corrugated paperboards. After adhesive tapes are overturned by overturning clamping plates step by step, the overturned adhesive tapes are extruded onto the upper and lower surfaces of the corrugated paperboards by the aid of adhesive tape scraping plates, the structure is simple and reliable, and potential safety hazards caused by manual operations are eliminated.

The invention discloses a steel tube traction machine. The machine comprises a rack, a main drive shaft and a driven shaft, two chains which are arranged opposite to each other in front and at the back, a guide support, a chuck opening support and a plurality of chuck parts, wherein two horizontal guide blocks and two clamping guide plates are arranged opposite to each other in the front and at the back of the guide support; each of the chuck parts comprises a sliding plate, a first chuck base, a second chuck base and a chuck; two ends of the sliding plate are connected fixedly with chain plates of the chains and are provided with a guide roller assembly which is matched with the horizontal guide blocks; the first chuck base and the second chuck base are connected with the sliding plates in a sliding mode opposite to each other in the front and at the back and are provided with a chuck opening roller assembly which is matched with the chuck opening support, an opposite end is provided with a chuck installation portion respectively, and the other end is provided with a first clamping roller assembly and a second clamping roller assembly, which are matched with the clamping guide plates respectively, except the chuck which is matched with a pipe fitting with a maximum specification, a plurality of sub-chucks are overlapped to form the other chucks. The steel tube traction machine relates to the field of manufacture devices of steel-plastic composites pipes and has the advantages of being simple in structure, convenient in centering adjustment, high in accuracy, even in clamping force distribution and convenient in pipe fitting specification conversion.

The invention discloses a draft gear for unpowered vehicles in a production process. The draft gear for the unpowered vehicles in the production process comprises a rear connecting mechanism and a front connecting mechanism, wherein the rear connecting mechanism is connected to the vehicles to be pulled, and the front connecting mechanism is connected to a traction vehicle. The draft gear comprises a chassis and a wheel assembly arranged below the chassis, the rear connecting mechanism is arranged at the rear end of the chassis through a lifting device in a mode that the rear connecting mechanism can rise and fall, the front connecting mechanism is arranged at the front end of the chassis, and at least one of the rear connecting mechanism and the front connecting mechanism is in pivot connection with the chassis. Rigid traction connection is formed between the traction vehicle and the vehicles to be pulled through the rear connecting mechanism and the front connecting mechanism, the vehicles to be pulled are lifted simultaneously through the lifting device when traction connection is carried out on the vehicles to be pulled, and the problems that the unpowered vehicles in the production process are poor in braking, low in efficiency and poor in safety are solved.

The present application discloses a connection joint for surgical instruments, which includes a first connection assembly and a second connection assembly. The first connection assembly is provided with a plurality of transmission parts, and the second connection assembly is provided with a plurality of Traction parts, one end of each traction part is provided with a locking unit; during the docking process of the first connection component and the second connection component, the transmission part is connected with the locking unit; when the first connection component and the second connection component are in the setting In a fixed docking state, the transmission part is connected with the traction part through the locking unit, so that the transmission part can transmit power to the traction part matched with it. The surgical instrument connection joint disclosed in this application can realize quick transfer between power components and control components, has the advantages of simple structure, quick and convenient switching, etc., and can also realize quick connection between multiple transmission parts and multiple traction parts and separation. The present application also discloses a surgical instrument, which has the advantages of precise manipulation, simplicity, safe and reliable use, and the like.