48results about How to "Not prone to wear and tear" patented technology

The invention provides a surgical instrument and a surgical robot adopting the surgical instrument. The surgical instrument comprises a front end, a wrist part, a foundation base, a guide mechanism and a traction unit, wherein the front end is rotatably connected with the wrist part and a first rotation axis is formed, the wrist part is rotatably connected with the foundation base and a second rotation axis is formed, and the first rotation axis and the second rotation axis are non-coplanar and are vertical to each other; the traction unit comprises a first traction body, a second traction body, a third traction body and a fourth traction body; the four traction bodies surround and are partially fixedly connected with the front end, extend, are restrained by the guide mechanism, and then are connected with an external mechanism; the second traction body surrounds the front end in the direction opposite to that of the first traction body, and the fourth traction body surrounds the front end in the direction opposite to that of the third traction body; the first traction body and the second traction body are distributed on one side of the second rotation axis, and the third traction body and the fourth traction body are distributed on the other side of the second rotation axis.

The invention discloses a fiber cable fixing device which comprises a base. Two sides of top of the base are provided with fixing holes. The middle position of top of the base is provided with a sleeve. The sleeve is internally connected with a sleeve rod. The top end of the sleeve rod is provided with a fixed shaft. The top of the fixed shaft is rotatably connected with a turntable. The top of the turntable is provided with a screw. According to the fiber cable fixing device, the sleeve and the sleeve rod are arranged; and a plurality of sets of through holes are arranged outside the sleeve;the bottom end of one side of the sleeve rod is provided with a recessed hole; the recessed hole is internally provided with a spring; one end of the spring is connected with a projection; the sleeverod performs upward or downward movement in the sleeve; the projection contacts with the inner wall of the sleeve; the spring is in a compressed state; when the projection corresponds with the throughhole, the spring is elongated, the projection outwards projects through the function of the spring and is snapped with the through hole. the projection can be snapped with different through holes according to an actual requirement, thereby adjusting the distance between the fiber cable and the wall or the ground.

The invention relates to the technical field of operation buttons, and in particular relates to a multi-cantilever button and a controller. The multi-cantilever button comprises a pressing part and a fixing part, wherein the pressing part is fixed to the fixing part through a plurality of symmetrically-distributed elastic cantilevers. The invention also provides a controller employing the multi-cantilever button. The multi-cantilever button and the controller have the advantages that two symmetrically-distributed elastic cantilevers are used for fixing the pressing part, the pressing part is in parallel contact with a contact surface of touch switches during being pressed, and the button can uniformly bear the force during pressing, thus greatly avoiding wearing and breaking, and as a result, the service life of the button can be prolonged, and the reliability in use can be improved.

Discloses in the invention is a power cable laying comprising a base plate and a central shaft arranged above the base plate. Two upper beams perpendicular to each other are arranged on the upper end of the central shaft; and the middle parts of the two upper beams are fixedly connected to the central shaft. Chutes are formed in the lower end surfaces of the upper beams; sliding rods that can slide along the chutes are arranged at the inner sides of the chutes; and vertical rollers are arranged on the sliding rods. Besides, a hydraulic cylinder is arranged on the central shaft; one end of the hydraulic cylinder is connected with the central shaft; and the other end of the hydraulic cylinder is connected the sliding rods. Limiting grooves corresponding to the chutes are formed in the base plate; and the lower ends of the sliding rods can slide along the limiting grooves. According to the power cable laying device provided by the invention, line laying can be realized conveniently; breaking and wearing of the cable during the cable laying process can be avoided; and thus the service life of the cable can be prolonged.

The invention discloses a full-automatic sheet unlimited lengthening machine, which at least comprises a sheet cutting and chamfering mechanism, a sheet unlimited lengthening mechanism and a double-station sheet conveying mechanism; the sheet cutting and chamfering mechanism has the advantages that a notch is flat and smooth, machining precision is high, a large amount of flying dust cannot be generated during a machining process, and the like; the sheet unlimited lengthening mechanism is used for completing splicing between sheets and conveyance after splicing to ensure that spliced parts of the sheets are subjected to a small force during a conveying process, therefore the spliced parts are prevented from being disengaged or staggered; the double-station sheet conveying mechanism is used for completing reclaiming and synchronous conveyance of machining stations to ensure that two machining stations are capable of synchronously obtaining sheets to be machined, so that the requirement of synchronous and continuous machining is met. According to the full-automatic sheet unlimited lengthening machine, all machining procedures from cutting to splicing of the sheets are completed in a full-automatic manner by matching the mechanisms, therefore splicing quality of the sheets is ensured while production efficiency is effectively increased.

The invention discloses fire-resistant cloth made of a fiber material. The fire-resistant cloth comprises a wear-resistant layer, an adhesive, a waterproof layer and a bottom coating, wherein the wear-resistant layer is located on the outermost side, the bottom face of the wear-resistant layer is connected with the surface of the waterproof layer, the adhesive is arranged between the wear-resistant layer and the waterproof layer, the wear-resistant layer is fixedly connected with the waterproof layer with the adhesive, the waterproof layer is located on the upper side of the bottom coating, and the bottom face of the waterproof layer is connected with the surface of the bottom coating. According to the fire-resistant cloth, as the wear-resistant layer is made of a wear-resistant nylon oxford material, the wear resistance of the cloth is improved, the cloth is more durable, and the wear phenomenon does not occur easily; as a PTFE membrane is additionally arranged between the wear-resistant layer and the bottom coating, the cloth achieves a waterproof effect, and articles in the cloth are prevented from being wetted; as the bottom coating is made of an organic silicon resin material,the cloth will not be molten in ink jet printing, and meanwhile the thickness of the cloth is increased, which makes the cloth product stiffer and more attractive.

The invention relates to a rubber basketball skin and a preparation method thereof. The rubber basketball skinis prepared from the following raw materials in parts by weight: 10-20 parts of natural rubber, 40-60 parts of butadiene rubber, 2-5 parts of sodium polyacrylate, 3-5 parts of polyurethane adhesive, 2-5 parts of water, 10-15 parts of polyethylene glycol, 15-20 parts of carbon black, 15-20parts of zinc oxide, 10-20 parts of modified attapulgite, 0.5-0.8 part of N, N-di-n-butyl nickel dithiocarbamate, 0.2-0.8 part of sulfur, 1-1.2 parts of an accelerant, and 2-4 parts of a foaming agent. The rubber basketball skin has excellent weather resistance, wear resistance and scratch resistance, in addition, the basketball skin has good water absorption performance, sweat in the palm of a user can be absorbed in time, and excellent touch feeling is brought to the user.

The invention relates to a coupled fluidized bed graded conversion reaction device and a reaction method and mainly aims to solve the problems of low carbon conversion rates, low gasification intensities, low methane yields, hard slag discharge and low coal powder utilization rates in the prior art. By adopting the coupled fluidized bed graded conversion reaction device and the reaction method, acarbon-containing raw material with a catalyst is pyrolyzed in a pyrolyzation furnace, tar gases obtained after pyrolyzation are separated and collected, semicoke granules with the catalyst and a gasifying agent are respectively combusted and gasified in three reaction zones, reacted carbon-containing granules and a part of the catalyst are continuously fed back into the pyrolyzation furnace, ashslag at the bottoms of the reaction zones are firstly subjected to two-stage separation of a granule hydrocyclone separation device and a graded slag discharge device, and are secondly discharged outfrom the device according to acoustic emission monitoring feedback. By adopting the technical scheme, the technical problems are well solved, and the device can be applied to industrial production ofgraded conversion of coal.

The invention discloses an anti-creeping intelligent cable. The cable comprises a cable body, a main body wire, a fine metal net sleeve, a flame-retardant clamping cavity and a flame retardant. A mainbody wire is arranged in the center of the interior of the cable body. A flame-retardant clamping cavity is wound on the outer side of the cable body. A flame retardant is filled in the flame-retardant clamping cavity. A fine metal net sleeve is wound on the outer wall of the flame-retardant clamping cavity. An anti-interference structure is arranged in the thin metal net sleeve. A rubber insulating sleeve is wound on the outer wall of the thin metal net sleeve. An insulating structure is arranged in the rubber insulating sleeve, a thermosensitive outer ring sleeve is wound on the outer wallof the rubber insulating sleeve, two sets of linkage grooves are formed in the outer wall of the thermosensitive outer ring sleeve at equal intervals, one end of each linkage groove extends into the flame-retardant clamping cavity, and a plug is installed at one end in each linkage groove. According to the invention, the phenomenon of electric leakage during use of the cable is avoided, the safetyduring use of the cable is improved, and the transmission rate during use of the cable is ensured.

The invention discloses a metal material surface ultrasonic strengthening treatment device, and particularly relates to the technical field of metal surface processing. The metal material surface ultrasonic strengthening treatment device comprises a supporting plate and supporting legs, the supporting legs are fixedly connected to the four corners of the bottom end of the supporting plate, and a dustproof mechanism is arranged at the bottom end of the supporting plate. A rubber wheel is driven to rotate through friction of metal materials in the reciprocating motion process, the rubber wheel is driven to drive a second friction wheel to rotate under the action of friction force in the rotating process, the second friction wheel generates friction to drive a first friction wheel to rotate,and therefore the first friction wheel generates friction to drive a receiving hopper to rotate; and fan blades arranged in the receiving hopper blow airflow to flow downwards, dust is accelerated tomove downwards into the dustproof mechanism, the dust is prevented from diffusing towards the periphery of the receiving hopper, in the rotating process of the receiving hopper, a material stirring rod scrapes the inner side wall of the receiving hopper, the inner side wall of the receiving hopper can be cleaned, and the dust falling into the receiving hopper can be cleaned away and collected conveniently.

The invention relates to a medicine decocting pot with a stirring rod, which comprises an outer pot, an inner pot and a circular pot cover, wherein the inner pot is arranged in the outer pot in a lifting and penetrating mode, the circular pot cover covers the inner pot, an outer pot part supporting step is arranged on the outer pot, an inner pot part supporting step is arranged on the inner pot, the inner pot is supported on the outer pot part supporting step through the inner pot part supporting step and is placed in the outer pot, a lower cavity located below the inner pot part supporting step is formed between the lower end of the inner pot and the lower end of the outer pot, a plurality of filtering holes communicating the lower cavity with the inner space of the inner pot are formed in the bottom wall of the inner pot, and the inner pot part supporting step and the outer pot part supporting step abut against each other in a sealed mode, so that the outer pot and the inner pot can be connected together in a sealed mode, a stirring shaft is fixedly connected to the pot cover, and the stirring shaft is driven by the pot cover to rotate. The medicine decocting pot has the advantage that stirring can be conducted without opening the pot cover in the decocting process, and the problem that an existing medicine decocting pot with the pot cover cannot be stirred with the cover on in the decocting process is solved.

The invention relates to a structure for an ultra-supercritical fin low-temperature reheater so as to solve the problems that the heating surface of an existing low-temperature reheater is large in arrangement space and a heating plate of the reheater subjected to abrasion is inconveniently replaced. The structure provided by the invention comprises a low-temperature reheater reheating tube, a first group of low-temperature reheating sheets and a second group of low-temperature reheating sheets, wherein the first and second groups of low-temperature reheating sheets are formed by arranging cuboid fins at equal intervals and are welded on the low-temperature reheater heating tube through a heat transfer base; and the first and second groups of low-temperature reheating sheets are alternately arranged on the left and right sides of the low-temperature reheater reheating tube. According to the structure provided by the invention, the rear smoke channel space of a boiler is effectively utilized, so that the heating surface of the reheater is increased to the maximum extent.

The invention discloses a production method of a static scroll plate on a scroll compressor. The method comprises the following steps: 1, processing a scroll groove on the work end surface of a substrate; 2, simultaneously sintering spherical copper powder layers on the work end surface of the substrate and the bottom and the two sidewalls of the scroll groove; and 3, putting a liquid self-lubrication material in a vacuum furnace, immersing the substrate in the self-lubrication material, and evacuating the vacuum furnace to make the self-lubrication material permeate into gaps between all spherical copper powders in the spherical copper powder layers. The method allows the work end surface of the produced static scroll plate on the scroll compressor and the bottom and the two sidewalls of the scroll groove to respectively have a self-lubrication effect, so the static scroll plate is basically not worn under conditions with high output air pressure requirements.

The invention discloses a high-flame-retardant multilayer cable. The cable comprises a cable core main body and an auxiliary mechanism, a first flame-retardant mechanism is arranged outside the cable core main body, a second flame-retardant mechanism is arranged outside the first flame-retardant mechanism, the auxiliary mechanism is composed of a metal net pipe, an inner sleeve, latex paint and mint fibers, the metal net pipe sleeves the cable core main body, the outer wall of the metal net pipe is sleeved with an inner sleeve, the outer wall of the inner sleeve is coated with the latex paint, and the latex paint is filled with the mint fibers. Through the arrangement of the metal net pipe, the inner sleeve, the latex paint and the mint fibers, a mouse can bite the inner sleeve coated with the latex paint when biting the cable, and the mouse cannot quickly damage the metal net pipe due to the fact that the toughness of the metal net pipe is high; at the moment, mint factors in the mint fibers can emit thick mint smell through the bite part of the cable, so that the mouse which bite the metal net pipe are repelled, and the protection performance of the cable is improved.

The invention discloses a curve-shaped forming milling cutter. The cutter is characterized by comprising a cutter body and a cutter handle, the cutter handle is a clamping part, a cutting part is arranged on the cutter body, the cutting part is composed of an even number of cutting edges, the cutting edges are of sheet structures with the same thickness, each cutting edge has the same axial deflection angle, and the angle ranges from 3 degrees to 10 degrees; and an edge part of each cutting edge is composed of an edge part base plane parallel to the axial direction of the cutter body and two radially symmetrical and continuous curved edges protruding out of the base plane, the left end faces of the cutting edges are connected with the edge part base planes through 45-degree inclined planes, and two corner angles formed between the inclined planes and the end faces and between the inclined planes and the edge parts are in smooth transition through arc surfaces. When the curve-shaped forming milling cutter is used for machining an automobile sliding block, one-time machining forming can be achieved, and a sliding cavity with a curve-shaped milling face is obtained; and the inner wall of the curve-shaped sliding cavity is not provided with sharp corner angles, so that the sliding block can be better accommodated to move.

The invention relates to a reaction device and a reaction method for a catalytic gasification combined fluidized bed, and mainly solves the problems of low carbon conversion rate and gasification intensity, low methane yield and relatively low gasification furnace operation stability in the prior art. Through the technical scheme, according to the reaction device and the reaction method for the catalytic gasification combined fluidized bed, a catalyst is supported into a carbon-containing raw material, partial combustion and a gasification reaction are carried out on the supported catalyst, agasifying agent and an oxidizing agent simultaneously at relatively high linear speed and relatively low particle concentration in a fine reactor, and a further gasification reaction is carried out onsubsequently generated synthesis gas and carbon-containing particles without reacting completely in a coarse reactor; and the above technical problems are solved preferably, so that the reaction device and the reaction method can be applied to industrial production of catalytic gasification rich methanogenesis.