45results about How to "Reasonable angle" patented technology

The invention discloses a thrombus-taking bracket equipped with barbs in silk screen crossed positions, and belongs to the technical field of interventional therapy. The thrombus-taking bracket comprises a mesh cage formed by a nickel-titanium tube by laser cutting through high-temperature shaping, wherein the mesh cage comprises a plurality of elastic filaments, wherein the elastic wires intersect each other to form a plurality of intersection end surfaces; each of the intersection end surfaces is provided with a barb unit which extends towards the inner side of the inner mesh cage; each barbunit has a root portion which extends from one side, close to the distal end, of the intersection end surface portion; and the barb unit has an inclined rod which extends away from the root portion and obliquely extended in the distal direction. The thrombus-taking bracket has the advantages that the contact area between the thrombus-taking bracket and a thrombus can be more reasonably increased,and thrombus slipping is avoided; and in addition, a welded developing ring or a developing block is additionally arranged at the tail end of each barb unit, so that the positioning and developing effect of the bracket in a body can be enhanced.

The invention relates to a back-suspended root collector, which comprises frame, movable blade, and ground wheel. Wherein, the movable blade is driven by blade arm to move front and back; the blade arm is vertical to the horizontal plane; the angle between movable blade and the horizontal surface is 9-13degree; the back upper end of movable blade is fixed with soil guide plate; the angle alpha between soil guide plate and movable blade is 27-33degree; the frame at the back upper end of soil guide plate has at least two fruit-soil separating rollers inclined from low to high, while the angle between them and horizontal plane is 15-35degree. The invention can break soil, guide soil and separate fruit from soil when moving.

The invention discloses an intelligent hydraulic road barricade system, and relates to a road barricade system, which is suitable for protection of important places such as military and civilian institutions, bastions, ammunition depots, oil depots, warehouses and the like. The system comprises a control cabinet, a driving box, a road barricade part, a hydraulic part, a cross bar road barricade part and an anti-freezing, heating, deicing and draining part, wherein the control cabinet is arranged on one side or in the middle of the intelligent hydraulic road barricade system and installed on the road surface; the hydraulic part and a driving hydraulic cylinder for a cross bar barricade are arranged in the control cabinet; the driving box is arranged below the control cabinet and positioned under the road surface; the driving box is connected with one end of a box body of the road barricade part by bolts; two driving hydraulic cylinders of the road barricade part are arranged in the driving box so as to provide power for lifting or dropping the road barricade; and the road barricade part comprises a main box body, an end plate, a bearing, a driving shaft, a left clamping plate, a right clamping plate, a barricade bar, a reinforcing rib, a barricade tip, a supporting frame, a padding plate and a panel.

The invention discloses an engine camshaft for a gerontic motor tricycle. A connecting line of a center O of an air inlet cam (2) and a starting point A of a cam contour is on a first straight line L1; a connecting line of the center O of the air inlet cam (2) and an end point B of the cam contour is on a second straight line L2; a connecting line of the center O of the air inlet cam (2) and the outmost edge point C of a flange of the air inlet cam (2) are on a third straight line L3; an inclined angle a which is more than or equal to 92 DEG and is less than or equal to 98 DEG is formed between the first straight line L1 and the third straight line L3; an inclined angle b which is more than or equal to 86 DEG and is less than or equal to 92 DEG is formed between the second straight line L2 and the third straight line L3; and lift data of an exhaust cam is completely the same as that of the air inlet cam, and only the direction of the exhaust cam is opposite to that of the air inlet cam. In the invention, an inclined angle and a lift curve (the cam contour) of a distribution cam is changed, so that the conventional horizontal type engine can meet the using requirements of large medium-low-speed torque, a low temperature, low oil consumption, low noise, high reliability, high durability and the like of the gerontic motor tricycle.

The invention discloses a reducing drilling rig, which comprises a drilling rig pipe body, a spiral cutting wing consisting of a wing piece and a first cutting pick, and a front end drill bit consisting of a front end seat plate and a second cutting pick; the spiral cutting wing is arranged at the outer wall of the pipe body of the drilling rig in a radiating form; the wing piece is a spiral pieceof which upper part is conical and the lower part is cylindrical; the outside diameter of the conical free end at the lower part is risen along its rotation direction and gradually increased in the conical form; every first cutting pick is fixedly connected to the free end at the outside of the wing piece, two adjacent first cutting picks are arranged equally at the arc face of the free end of the wing piece and outwards expanded; several first cutting picks are risen at 360 degrees around the rotation direction of the wing piece and then arranged at intervals along the arc face of the outside free end of the wing piece; the front end drill bit is fixed on the outer end face of the drilling rig pipe body through a front end seat plate, two lines of second cutting picks are outwards inclined to fix at the lower side of the front end seat plate. The reducing drilling rig is featured by high intensity of cutting bit, wide adaptation scale, wear-resistance and reliability, and can realizemultilayered cutting and drilling, and effectively improve the drilling and rock breaking ability and construction working efficiency.

The invention relates to the technical field of superfine ceramic cellucotton, and in particular, relates to superfine ceramic cellucotton and a production method thereof; the superfine ceramic cellucotton is prepared from fly ash, coal gangue waste, an old aluminum silicate thermal insulation material and kaolin through the steps of heating melting, conveying, centrifuging, blowing and the like;the prepared superfine ceramic cellucotton has the advantages of being low in production cost and more uniform in forming thickness.

The invention discloses a thrombectomy stent with barbs for enhancing capture force. The thrombectomy stent comprises a mesh cage formed by an elastic wire mesh in a curly shape; the elastic wire meshcomprises a plurality of elastic wires; the elastic wires intersect with one another to form a plurality of grid units; the formed grid units include a plurality of 8-shaped grid units; an inward circuitous part is arranged in the middle of each of two sides of each 8-shaped grid unit in the width direction; the inward circuitous part of at least one 8-shaped grid unit extends to form an extension wire; the two extension wires are intersected to form a capture unit; and the tail end of the capture unit can be provided with a developing point/developing block by welding. The invention aims toprovide the thrombectomy stent with the barbs for enhancing the capture force, which is used for more reasonably enhancing the capture effect on thrombus, and can enhance the supporting strength for preventing the mesh cage from prematurely collapsing and deforming due to bending force.

The invention discloses a bicycle for aloft work. The bicycle comprises a main beam. The front side and the rear side of the main beam are correspondingly connected with a front supporting arm and a rear supporting arm. A foot stepping wheel disc is arranged at the joint of the main beam and the front supporting arm. A front hook is arranged at the upper end of the front supporting arm. A front idler wheel which is in chain transmission with the foot stepping wheel disc is arranged in the front hook. A safety handle is arranged in the middle of the front supporting arm. A rear hook is arranged at the upper end of the rear supporting arm. A driven rear idler wheel is arranged in the rear hook. The hook opening of the front hook is provided with a safety lock. The hook opening of the rear hook is provided with a safety lock. A hook body of the front hook is connected with an auxiliary brake device which comprises a connecting plate connected with the hook body, wherein a brake block is hinged to the connecting plate, the two sides of the brake block on the connecting plate are correspondingly provided with a first limiting block and a second limiting block, and a compression spring which keeps the brake block in the first position or the second position is connected between the middle of the brake block and the connecting plate. The bicycle has the advantages of being reasonable in structure, stable in riding and high in safety coefficient.

The invention provides a tire conveying system, which relates to the technical field of sequenced tire conveyance of a tire assembly split charging line. The tire conveying system comprises a first platform, a conveying device, and a second platform, wherein the conveying device is connected with the output end of the first platform, the second platform is connected with the output end of the conveying device, one end, near the first platform, of the conveying device is lower than one end near the second platform, an included angle between the conveying device and the horizontal plane is 5 degrees, a plurality of lines of universal rolling balls are respectively distributed on the top surfaces of the first platform and the second platform, the second platform comprises a butt joint turning plate, the butt joint turning plate is hinged to the output end of the second platform, a manual operation room is arranged at one side of the output end of the second platform, and the conveying device is driven through a variable-frequency motor. The tire conveying system has the advantages that the conveying device is in inclined arrangement, the angle and the length are more reasonable, and the conveyance of tires is stable and safe.

The invention discloses a high-yield method for hawthorn. The method comprises the following steps: (1) hawthorn tree pruning: planting hawthorn trees, removing top buds when the trees grow to 30-40 cm, after lateral buds of main trunks grow out, carrying out pruning on the main trunks for leaving three branches I, removing top buds when the branches I grow to 30-40 cm, after lateral buds of the branches I grow out, carrying out pruning for leaving three branches II, removing top buds when the branches II grow to 40-60 cm, and when lateral buds of the branches II grow out, leaving 5 lateral buds on each of the branches II; (2) fertilization, applying fertilization once in each quarter, and carrying out fertilization with different fertilizers in different quarters; (3) disease prevention and control: after the hawthorn trees bloom, carrying out pest control by using a chemical insecticide, and adopting a plant source insecticide for insect prevention one month before hawthorn fruits are ripe; and (4) flower promotion and fruit promotion. With the high-yield method for the hawthorn, the yield of the hawthorn can be improved, and the hawthorn is free of insect pests.

The invention discloses a searchlight support for an unmanned aerial vehicle. The support comprises connection rods and a support body, the connection rods are installed on the periphery of the support body in a welding mode, and power devices are connected to the ends, away from the support body, of the connection rods; rotation shafts are connected to the upper center ends of the power devices,wings are connected to the two ends of each rotation shaft, and a landing rack is connected to the lower end of the support body through bolts; a bracket is connected to the portion, between the two landing racks, at the lower end of the support body. The unmanned aerial vehicle is combined with the searchlight support, the unmanned aerial vehicle carries a searchlight during flying, and accordingly the places needing illumination can be subjected to searchlighting; in this way, the searchlighting range can be wider, the adjustable support is installed below the unmanned aerial vehicle, searchlights different in type and size can be installed on the unmanned aerial vehicle through the adjustable support, the diversification of searchlight installation for the unmanned aerial vehicle is achieved, and the use performance of the searchlight support for the unmanned aerial vehicle is improved.

The invention discloses a preparation method of nano silicon monoxide powder, which comprises the following steps of: continuously feeding silicon powder, spraying silicon dioxide powder, entering working medium gas and preparing the nano silicon monoxide powder in a closed cavity: feeding from a silicon powder feeding pipe of which the upper part is communicated with a silicon powder feeding device; silicon powder at the outlet of the silicon powder feeding pipe is evaporated in the evaporation chamber by crossed plasma arc moments generated by a plurality of plasma guns which are arranged on the circular top plate and are electrically communicated with water to obtain silicon steam; a plurality of silicon dioxide powder injection pipes of the reaction chamber inject silicon dioxide powder, working medium gas in a working medium gas inlet pipe enters the reaction chamber and can drive powder to rotate, and silicon dioxide powder and silicon powder formed by cooled silicon steam are cooled, react with each other and then are conveyed to a condensation chamber at the lower part to be further condensed and reacted; the nanometer silicon monoxide powder is formed. The method is high in production efficiency, and the prepared silicon monoxide powder is reasonable in particle size distribution, high in sphericity degree and good in dispersity.

An opening operation sleeve angle deflection coordination assembly for a pipe shed drilling rig includes a machine body (1). A horizontal reference module (2), a triangular fixed point module (3), anangle sensing module (4) and a management module (5) are disposed on the machine body (1). During operation, the horizontal reference module (2) is arranged near an opening part of the machine body, the triangular fixed point module (3) is fixed on a sleeve, the angle sensing module (4) senses the conditions of an angle formed by each point and a reference line, and the management module (5) processes integrated information. An information sensing module (6) is arranged on the horizontal reference module (2), and the conditions of the angle formed between each point and the reference line aretransmitted in real time; and the angle sensing module (4) is provided with an angle setting module (7). During the setting of the opening operation, the angle range is reasonable; and the managementmodule (5) is provided with a prompt module (8). The sleeve angle in the opening operation process is controlled to be reasonable, so that the operation is smooth.