12 results about "Barrel Shaped" patented technology

The utility model provides a raised head rivet disassembling auxiliary device which comprises a guide sleeve (1), a drill rod (2), a first bearing (3), a drill rod spring (4), a second bearing (5), a four-claw sliding block (6), a sliding block spring (7) and a drill bit (8), the guide sleeve (1) is in a barrel shape, a straight hole is formed in the upper end of the barrel shape, and a step hole is formed in the lower end of the barrel shape and used for installing the second bearing (5), the drill rod (2), the drill rod spring (4) and the first bearing (3); four sliding grooves are formed in the outer surface of the lower end of the barrel shape and used for installing a four-claw sliding block (6) and a sliding block spring (7), and the guide sleeve (1) provides an installation supporting structure for other parts. The drill rod (2) is in a round straight rod shape with a boss in the middle, the upper end of the drill rod is installed in the first bearing (3), the lower surface of the boss makes contact with the upper end of the drill rod spring (4), the lower end of the drill rod is installed in the second bearing (5), the drill rod (2) is used for transmitting power, and the upper end of the drill rod is connected with a pneumatic tool and a drill bit (8).

The utility model relates to the technical field of coreless motors, and discloses a coreless motor with high protective performance, which comprises a protective shell, the protective shell is in a circular barrel shape with one end open, a fixed permanent magnet is arranged in the protective shell, a rotating coil is arranged in the protective shell corresponding to the outer side of the permanent magnet, the rotating coil is in a circular barrel shape, and the permanent magnet is arranged in the protective shell. An output shaft is fixedly installed on the inner end face of the rotating coil. According to the utility model, force is applied to the pressing structure by extruding the locking structure, so that the pressing structure applies force to the extruding plate, and then the carbon brush is extruded by the extruding plate, so that the carbon brush is always attached to the commutator; when the motor runs, the extrusion plate can be moved again by extruding the locking structure, so that the most suitable force is always kept between the carbon brush and the commutator to keep stable jumping, and the motor can work normally and stably.

The utility model provides a split type gear shaft, and belongs to the technical field of machinery. The problem that an existing gear shaft is not stable in structure is solved. The split type gear shaft comprises a gear and a shaft body arranged below the gear, a barrel-shaped connecting part is formed on the bottom wall of the gear, a connecting column is arranged at the upper end of the shaft body and inserted into the connecting part, the connecting column and the connecting part are connected in a matched mode through a spline, a circle of through holes are formed in the side wall of the connecting part in a radial penetrating mode, and a first threaded hole is formed in the connecting column in the radial direction. The number of the first threaded holes is the same as that of the through holes, a bolt is arranged in each through hole, the rod portion of each bolt is screwed into the corresponding first threaded hole, and a positioning column is further formed on the bottom wall of the gear and located in the connecting portion. An inserting hole is vertically formed in the top wall of the connecting column, the positioning column is inserted into the inserting hole, the first threaded holes are in a penetrating shape, second threaded holes are formed in the side wall of the positioning column, the second threaded holes and the first threaded holes are the same in number and correspond in position in a one-to-one mode, and the rod portion of the bolt is further screwed into the corresponding second threaded holes. The split type gear shaft is stable in structure.

The invention relates to the technical field of volume measurement, and discloses a lifting adjusting type measuring cup metering machine which comprises a supporting connecting column, the ground, a metering barrel, a fixed bearing and a discharging opening. Wherein the metering barrel is in a barrel shape and is provided with an opening in the axial direction, a supporting connecting column, a supporting limiting column and a rotating motor are fixedly installed on the upper surface of the ground, a power transmission rod is movably installed on the upper surface of the ground, and a limiting fixing ring is coaxially and fixedly arranged on the inner wall of the end, away from the opening, of the metering barrel; the core problems that traditional measuring cup metering equipment is poor in universality and tedious in adjustment are effectively solved, the flexibility and accuracy of material metering are remarkably improved, the lifting adjusting structure is driven by the servo motor, a measuring cup assembly does not need to be replaced, the cost is reduced, and the working efficiency is improved. The coincidence volume of the storage metering cup and the lifting metering cup can be flexibly changed, the metering requirements of materials of different specifications are met, the production changing efficiency is greatly improved, and the flexible production concept is met.

The invention relates to a welding manipulator for a pipeline and a waterproof welding method thereof.The welding manipulator comprises a welding body, a control system and a rack, the rack comprises a sealing mechanism, a water pumping mechanism, a crawling mechanism and a barrel mechanism, and the barrel mechanism is arranged on the peripheral wall of the pipeline in a barrel-shaped sleeving mode; the two sealing mechanisms are located at the two ends of the barrel mechanism, the crawling mechanism is connected with the barrel mechanism and used for driving the barrel mechanism to move along a pipeline, the welding body and the water pumping mechanism are both connected with the barrel mechanism, and the sealing mechanisms, the water pumping mechanism and the crawling mechanism are all electrically connected with the control system. Due to the adoption of the technical scheme, when the welding manipulator for the pipeline is used for welding a damaged part of a submarine pipeline, the part needing to be welded can be isolated from seawater, the possibility that the seawater affects welding is reduced to a certain extent, and the welding efficiency is improved. And the welding quality is ensured to a certain extent.

The present application relates to a kind of zigzag damping device for cylindrical hull, including cylindrical hull and three damping box body.Three damping box body is same shape, and it is arranged at the bottom of the side of the cylindrical hull at equal intervals.Damping box body includes rotary box and multiple tooth-shaped box.Rotary box and tooth-shaped box are both shell plate structure, and independent of each other.Tooth-shaped box is closed shell plate structure, not communicated with seawater, inside is empty cabin, not load ballast water.Tooth-shaped box is same shape, horizontal section is arc side trapezoid or arc side triangle, vertical height is same with the vertical height of the outside of rotary box, convenient to be welded on the outside of rotary box.Tooth-shaped box and rotary box are independent of each other, and the welding strength between tooth-shaped box and rotary box is lower than the welding strength between rotary box and cylindrical hull, and the damage or drop of single or multiple tooth-shaped box will not cause greater influence to the stability, safety etc.of cylindrical FPSO.

A kind of thin-walled cone barrel shape correcting device, it contains heating furnace for heating, still contain graphite mould, pressure disc and telescopic device;The graphite mould corresponding to the inner hole of standard thin-walled cone barrel workpiece is equipped in the heating furnace, the pressure disc larger than the thin-walled cone barrel workpiece is equipped above graphite mould, the telescopic device for pushing pressure disc is equipped in the top of heating furnace;The telescopic device contains cylinder body, the cylinder body is fastened and connected with the top of heating furnace, the mandrel with bottom extending from cylinder body is slidably fitted in the inner cavity of cylinder body, the sealing ring is arranged between the mandrel shaft and the inner cavity of cylinder body, the water injection pipeline extending from heating furnace is communicated with the top of cylinder body;The present application has simple structure and low production cost;The thin-walled cone barrel workpiece to be corrected is heated to 750~850 DEG C by heating furnace, then the thin-walled cone barrel workpiece is corrected, effectively solve the phenomenon of thin-walled cone barrel workpiece accidental tearing in the process of correction.

The utility model discloses a kind of pneumatic hydraulic jack with pull rod type oil tank, it is related to jack technical field, including vehicle body, oil tank, air valve and switch, vehicle body includes base and wheel, and hydraulic cylinder, valve body and oil pump are provided on base;Vent hole, oil filler and oil outlet are provided on oil tank, axle holder is fixedly arranged on base, axle is fixedly arranged on axle holder, and wheel is rotatably arranged at the both ends of axle;Oil tank oil tank includes long barrel shape oil loading barrel and set first pipe fitting, first pipe fitting is rotatably connected on axle by being set first shaft hole on the lateral wall, and gripping portion is provided at the top of oil tank, further including locking mechanism for locking and unlocking the rotation of oil tank, locking mechanism includes several first insertion slot, second insertion slot, insertion pin, brake handle, brake cable and rebound mechanism, and oil tank forms push-pull piece for pushing and pulling vehicle body. It is lighter in weight and smaller in size, convenient for the whole jack to be towed, and convenient for the angle of oil tank to be adjusted.

The utility model relates to the technical field of automobile parts, in particular to an air damper. The air damper comprises a shell and a piston rod, the middle of the shell is in a barrel shape, a protruding base is inwards arranged at the top of the shell, a needle valve column is arranged in the middle of the protruding base, the needle valve column is hollow and connected with the inner wall of the shell through an annular base, the needle valve column, the annular base and the shell are integrally formed, a needle valve cover is arranged on the annular base, and a needle valve is arranged in the middle of the bottom of the needle valve cover. The needle valve is inserted into the needle valve column, the needle valve column is sleeved with a spring, a protruding ring body a is arranged outside the needle valve and makes contact with the spring, and a piston rod is arranged at the bottom of the annular base and extends out of the piston cover. The utility model has the beneficial effects that the common needle valve column and the shell are split, the design is relatively troublesome, and the shell, the annular seat and the needle valve column are integrally formed, so that the components are simplified, and the needle valve column is convenient to mount, dismount and maintain.

The utility model discloses a drive control device which comprises a shell part, a drive part, a harmonic speed reduction assembly and an output part. The shell part is in an inner and outer barrel shape and comprises a pipe body part of an outer wall part and a middle shaft part of an inner wall part, the radially arranged isolation plate is arranged between the pipe body part and the middle shaft part and divides an inner cavity of the shell part into an upper cavity and a lower cavity, the end cover is fixedly connected with the lower end of the pipe body part, the end cover is provided with an opening, and the opening is communicated with the lower cavity and the outside of the end cover; the driving part is arranged in the upper cavity and comprises a stator and a rotor, the stator is matched with the rotor, the stator is fixed to the shell part through a mounting base, the rotor and the rotating shaft are fixedly connected or are of an integrated structure, and the rotating shaft can rotate relative to the shell part; the harmonic speed reduction assembly comprises a fixing part, a wave generator, a flexible gear and a rigid gear, the fixing part and the rotating shaft are fixedly connected or are of an integrated structure, the output component comprises a flange, the flange is fixedly connected with the rigid gear, the flange is used for being connected with an external execution unit, and the heat dissipation performance of the driving control device can be improved.

The utility model provides an unmanned aerial vehicle protection overclothes which comprises a plurality of fuselage overclothes parts connected in sequence, first connecting parts are arranged on the two sides of each fuselage overclothes part respectively, the fuselage overclothes parts are connected into a barrel shape or a cone shape through the first connecting parts, and a second connecting part is arranged at one end of each fuselage overclothes part; waterproof pressing stubbles and connecting pressing stubbles are arranged on the edges of every two adjacent machine body overclothes parts correspondingly, the second connecting parts are connected with the connecting pressing stubbles, and the waterproof pressing stubbles can be overlapped on gaps of the connecting positions; each wing cover part is in a cylinder shape with one closed end, and the open end of each wing cover part can be connected with one fuselage cover part. According to the utility model, the overclothes of the unmanned aerial vehicle are designed in sections, so that the overclothes can be better attached to the unmanned aerial vehicle on the basis of convenient cutting and processing, and the unmanned aerial vehicle can be conveniently sleeved with the overclothes; through two-layer connection of all the fuselage overclothes parts, water can be prevented while connection is achieved, and the situation that rainwater or muddy water splashed in the running process enters the overclothes along gaps of the overclothes, and consequently the unmanned aerial vehicle is affected is avoided.

The invention relates to the technical field of large-diameter ultra-deep socketed piles, and discloses large-diameter ultra-deep socketed pile all-casing and rotary excavating multi-stage combined barrel drill construction equipment. Comprising a casing pipe arranged in a soil layer, a rotary excavating barrel drill for drilling in the soil layer to form a soil layer hole, and a guide barrel drill for pre-drilling in a rock stratum to form a guide hole in the rock stratum, the multi-stage combined barrel drill is used for drilling in a rock stratum so as to sequentially and secondarily broach the guide hole to form an expansion hole; the broaching barrel drill is used for re-broaching the lower part of the expansion hole so as to enable the expansion hole to be in a straight barrel shape; the diameter of the reaming barrel drill is the same as that of the rotary excavating barrel drill, the diameter of the soil layer hole is the same as that of the expansion hole, and the soil layer hole and the expansion hole are communicated up and down to form a socketed pile hole; on the basis that the reaming precision is improved in reaming construction and the reaming effect is guaranteed, the hole shape after reaming meets the straight barrel-shaped requirement of the socketed pile.