179results about How to "Reduce jamming" patented technology

An improved magazine for use in existing firearms comprises a housing, a follower, a spring, a spring hold and a cap. The housing comprises protruded surfaces for structural strength and a projection that acts as a stop member to define the maximum insertion of the magazine into the firearm magazine well. The follower comprises two follower legs and a spring retainer, and travels up and down the housing. The perimeters of the follower and follower legs mirror the internal profile of the magazine housing for a well-defined travel path within the magazine housing. The spring hold comprises a spring retainer and a round protrusion that locks it into the cap via a circular cut. The cap comprises flanges that slide into the slots against the end stop at the bottom of the housing.

The invention discloses a banknote processing apparatus. The banknote processing apparatus comprises a deposit and withdrawal port, a banknote identification portion, a temporary storage portion, at least one banknote storage box, and an upper transmission channel, a lower transmission channel and a temporary storage transmission channel which are used for carrying banknotes, wherein the temporary storage portion is arranged at the rear side of the deposit and withdrawal port, the front end of the upper transmission channel is connected with an outlet end of the temporary storage portion and an outlet end of the deposit and withdrawal port, the front end of the lower transmission channel is connected with an inlet end of the deposit and withdrawal port, the front end of the temporary storage transmission channel is connected with an inlet end of the temporary storage portion, the banknote identification portion is installed on the upper transmission channel, and the banknote storage box is connected with the lower transmission channel. The structure is simple, the overall layout of the whole machine is simplified, the effect of flattening and straightening the channels is realized, the effects of reducing banknote stagnation and reducing noise are obvious, and through arrangement of the cyclic transmission channels, the transmission processing time of the banknotes is greatly reduced.

The invention discloses an intelligent deep hole rope winch driven by a variable frequency motor. The intelligent deep hole rope winch comprises the variable frequency motor, a winch rack, a roller rack, a hydraulic disk brake, a rope arranging mechanism and a monitoring system. The variable frequency motor and the roller rack are arranged on the left side and the right side of the winch rack respectively; the roller rack is horizontally provided with a winch central shaft which is connected with the roller rack through a bearing, and the inside of the roller rack is provided with a roller which is connected with the radial outside of the winch central shaft; the left end of the winch central shaft extends out of the roller rack and is connected with the driven plate of an electromagnetic clutch through a connection board, the output shaft of the variable frequency motor is connected with the input shaft of a reducer gearbox, and the output shaft of the reducer gearbox is connected with the driving plate of the electromagnetic clutch through a shaft sleeve; the rope arranging mechanism is arranged above the roller rack, and ropes are wound onto the roller through the rope arranging mechanism; the monitoring system comprises a rope length and rope speed sensor, a tension testing mechanism and a monitoring computer. The intelligent deep hole rope winch driven by the variable frequency motor has the advantages of high efficiency, safety, intelligent control, energy saving and environmental protection.

The invention provides an impeller type paper money temporary storage mechanism, a paper money processing device and an automatic teller machine. Upper and lower belt transmission channels are additionally arranged, so that the matching relation between the conventional paper money channel and an impeller is improved, collision between paper money and the impeller can be reduced, the probability of money sticking and money flying is further lowered, and the accuracy and efficiency of paper money stacking are increased. According to the embodiment of the invention, the impeller type paper money temporary storage mechanism comprises a transmission component, an impeller component, a temporary storage area and a roller component, wherein the transmission component is used for conveying paper money to the impeller component, and comprises an upper belt transmission mechanism and a lower belt transmission mechanism; the upper belt transmission mechanism and the lower belt transmission mechanism construct a transmission channel; the temporary storage area comprises a baffle plate and a temporary storage channel; the baffle plate is connected with the temporary storage channel, is arranged between the temporary storage channel and the impeller component, and is used for intercepting paper money from a transfer channel in the temporary storage channel.

A hydraulic in-the-hole hammer with dual nozzles and combined valve for underground drilling and ramming tube is composed of shell with upper nozzle in the center of its upper part, upper valve, impact hammer and its nozzle, and lower jointer. The said upper valve can be freely slide in the shell in a limited range. The said impact hammer can flexibly move up and down and has by-pass water channel on its inner surface.

The invention relates to a light self-propelled snow sweeper, which comprises an anti-skid chain, a snow-ice tooth brush auger, a heat transfer steam tank and a front exhaust pipe and is a single-gear multi-variable speed snow sweeper with safe manipulating, front assisting wheels and a noise reducer body. A water tank is arranged on a silencer to cool and lead hot steam and hot waste gas to the snow-sweeping front part through a silencing tube so that the ice is removed because of local heating frangibility; variable-speed skidding is majorly improved, and a single gear is changed into a front and rear multi-speed mode so that the coordination of a drive move wheel (26) and a variable slipping poked wheel (27) is multi-bevel gear meshing or comprehensive cooperation between a convex and concave pitted surface and a gear; a die is adopted to cast or inject, so machining is not utilized and low cost is achieved; a safety control handle is also utilized; a front caterpillar band or the front assisting wheel is adopted to assist steering, and the noise reducer body is provided. Burning and cooling, difficult noise reduction, skidding halt, counter weight anti-skidding, waste suction health, secondary gas mixing, heat insulation and shock absorption, deicing function and snow casting function are comprehensively improved, and in other words, a new technical field of cooling, noise reduction, energy conservation and emission reduction of a single-gear variable-speed walk machine is initiated, for example a single-gear variable-speed mower.

The invention relates to an improved gasoline double-wheel self-walking snowplough. The functions of cooling after burning hot, easily reducing noise, preventing slipping and promoting advancing, solving sliding of a counterweight, preventing absorbed waste from affecting health, solving secondary gas mixing, thermal insulation and damping, deicing and snow throwing are comprehensively achieved. On the basis of reducing temperature, noise and emission and saving energy, an illumination lamp (35) is further arranged on the front portion of the snowplough. End-portion multi-groove teeth (20a2) are formed in a steering operation handle (20a) arranged at the operation end of a steering operation rod (20) to achieve firm grasping; the multi-groove teeth are formed by a plurality of grooves and a plurality of teeth at intervals, wherein the grooves and the teeth are arranged on matched inner circumferences, along the circumference of a hollow pipe, of an insertion part of the hollow pipe at the operation end of the steering operation rod (20); the main handle portion of the improved gasoline double-wheel self-walking snowplough is hollow, protruded and bulked; only the two end portions and an arc-shaped transition handle make direct contact with the insertion part of the hollow pipe to improve operation; a fixed multi-gear variable-speed groove board (31a) and a follow-up variable-speed groove board (31b) act in cooperation with each other to clamp a variable-gear operation rod to eliminate occasional gear engaging failure. The illumination lamp (35) on the front portion of the snowplough is also arranged on the upper portion of an auger (13) on the front portion of the snowplough and comprises a colorized light-emitting diode.

To provide a fixing member, which contains an outermost layer formed of an elastic material, where the fixing member is used in a process for fixing a toner image on a recording medium by heating, and the outermost layer has peel strength of 20 N/cm² or lower.

The invention relates to a drilling fluid for drilling of a fractured igneous rock formation and a preparation method of the drilling fluid in the field of petroleum drilling. The drilling fluid is prepared from components in parts by weight as follows: 1,000 parts of water, 3-4 parts of drilling fluid bentonite, 2-3 parts of sodium carbonate, 2-3 parts of a polymer coating agent, 2-3 parts of potassium polyacrylate or a metal cation polymer, 5-10 parts of an organic amine inhibitor, 20-30 parts of an anti-sloughing reinforced wall fixation agent, 20-30 parts of sulfonated phenol formaldehyderesin, 5-10 parts of a sulfonate copolymer filtrate reducer, 20-30 parts of walchowite, 10-20 parts of an anti-salt and temperature-resistant fluid loss agent, 20-40 parts of superfine calcium carbonate, 50-70 parts of potassium chloride, 0-10 parts of an organic anti-friction compound and 10-20 parts of a nano-micro blocking agent, and the weight is increased to 1.30-1.85 g/cm<3> with a density weighting agent. The drilling fluid has good temperature resistance and lubricating property and excellent inhibition property and anti-sloughing wall fixation property and can effectively prevent thefractured igneous rock formation from collapsing; the rock carrying capability of the drilling fluid can be substantially improved, repeated grinding of larger falling blocks nearby a drill bit is prevented, the frictional resistance is reduced, the mechanical drilling speed is increased, and underground safety is guaranteed.

The invention belongs to the technical field of wind tunnels and discloses a wind tunnel flexible wall linkage control system and a method. The wind tunnel flexible wall linkage control system is provided with a first two-position three-way electromagnetic valve and a second two-position three-way electromagnetic valve; and the two two-position three-way electromagnetic valves are correspondinglyarranged on oil channels of a rod-provided chamber and a rod-free chamber of a No.1 oil cylinder and are both connected between a three-position four-way electromagnetic reversing valve and a one-waythrottling speed regulating valve of each oil way. The wind tunnel flexible wall linkage control system disclosed by the invention solves the debugging problems, eliminates the phenomenon of blocking,improves the running working conditions of the system, also effectively improves the safety and reliability of running of key equipment and simultaneously further improves the functions of the system; a flexible wall is also subjected to follow-up control in a linkage control process; the two types of control are organically combined to meet different requirements under various working conditionsof a wind tunnel test, equipment maintenance and overhauling and the like; and moreover, the design and successful application of a linkage coordination control system play a certain reference significance for future schematic designs under similar working conditions.

A manual baler for compressing thin plastic sheeting for efficient recycling including downwardly extending fingers on the compression plate that serve to gather and retain the plastic sheeting during compression and a latch and twine threading system for holding the bale in compression while allowing ties to be wrapped around the bale to retain it in a compressed state.

The invention discloses a beveling machine for cutting a pipeline. The beveling machine comprises a left movable ring, a right movable ring, a left gear ring, a right gear ring, a left fixed ring and a right fixed ring, wherein the left movable ring and the right movable ring are respectively and fixedly arranged on the left gear ring and the right gear ring; the left fixed ring and the right fixed ring are respectively and fixedly provided with a plurality of eccentric shafts along the circumferential direction; each eccentric shaft comprises a shaft body and a cylindrical bulge part arranged at one end of the shaft body, and a roller bearing is arranged on each cylindrical bulge part; the multiple roller bearings are movably embedded into grooves at the inner side surfaces of the left and right gear rings; one end of the left fixed ring and one end of the right fixed ring are respectively provided with a left connecting block and a right connecting block; the left connecting block and the right connecting block are movably connected by virtue of a connecting shaft; one end, which is away from the left connecting block, of the left movable ring and one end, which is away from the right connecting block, of the right movable ring are contacted with butting surfaces of the left fixed ring and the right fixed ring; the other ends of the left and right movable rings are contacted with the other butting surfaces of the left and right fixed rings. The beveling machine has favorable axiality, is high in stability during cutting operation, can rotate stably and smoothly, is high in cutting precision and can be used for conveniently positioning left and right parts.

The invention relates to a recycled aggregate screening device. The device comprises a rack, a screen drum rotationally connected to the rack, a driving assembly used for driving the screen drum to rotate, a feeding hopper arranged on one side of the rack and used for feeding materials into the screen drum, and a discharging hopper arranged at the lower portion of the screen drum, wherein the rackis rotationally connected with a rotating rod, the rotating axis of the rotating rod is parallel to the screen drum, the rotating rod is provided with a plurality of telescopic rods evenly distributed in the circumferential direction of the rotating rod, rolling balls are arranged at the tail ends of the telescopic rods correspondingly, springs forcing the rolling balls to move in the radial direction away from the rotating rod are arranged in the telescopic rods correspondingly, the screen drum is provided with a plurality of screen holes evenly distributed in the circumferential direction of the screen drum, the outlet ends of the screen holes are provided with first meshing faces allowing the rolling balls to mesh with correspondingly, and when the screen drum rotates, the rotating rodis driven to rotate through meshing of the rolling balls and the first meshing faces of the screen holes. The device has the effect of reducing aggregate blockage.

The invention discloses a traditional Chinese medicine crushing device. The traditional Chinese medicine crushing device comprises a crushing machine housing, a rack, a driving motor and a movable fluted disc, wherein the movable fluted disc comprises a turntable, a plurality of hammer heads, and hammer head rods with the same number as that of the hammer heads; the movable fluted disc is arranged inside the crushing machine housing; the movable fluted disc is connected with a rotor of the driving motor; one end of each hammer head rod is fixedly connected with the side surface of the turntable, and the other end of each hammer head rod is fixedly connected with each hammer head; a crushing chamber housing is fixedly connected with the rack; the traditional Chinese medicine crushing device also comprises a feed inlet; the feed inlet is formed in the middle of the upper part of the rack; the crushing chamber housing is further provided with a charging hole; the charging hole is formed between the turntable and the feed inlet; the inner wall face of the crushing chamber housing consists of a plurality of cambered surfaces with different curvatures; the distance between each point of the side surface of the turntable from top to bottom and the inner wall of the crushing chamber housing is linearly reduced. The traditional Chinese medicine crushing device provided by the invention is beneficial to uniform stress of the movable fluted disc, and can obtain a good crushing effect at the same time.

The invention relates to a gasoline double-walking-wheel self-walking snow sweeper. The gasoline double-walking-wheel self-walking snow sweeper comprehensively improves scalding temperature decrease, noise reduction difficulty, slipping immobility, balance-weight slip resistance, waste-adsorption health, secondary gas-mixing, thermal insulation, shock absorption, the deicing function and the snow throwing function, and on the basis of temperature decease, noise reduction, energy consumption and emission reduction, an illuminating lamp (35) is further arranged on the front portion of the snow sweeper. A steering operation handle (20a) arranged at the operation end of a steering operation rod (20) is provided with end multi-groove teeth (20a2) formed by a plurality of grooves and a plurality of teeth, the grooves and the teeth are arranged at intervals and on the hollow tube inserting portion, along the inner circumstance matched with the circumstance of the hollow tube, of the operation end of the steering operation rod (20), and therefore operation is improved. Furthermore, under the combined action of a fixed multi-gear speed change groove plate (31a) and a follow-up speed change groove plate (31b), a gear shifting operation rod is clamped, and therefore an occasional gear fault is eliminated.

The invention discloses a solid-liquid separation method and device for multi-material anaerobic fermentation liquid containing kitchen wastes and belongs to the technical field of kitchen waste treatment. A first discharging hole of a filter press is connected with a feeding hole of an oil-water separation tank by virtue of a pipeline; an overflow port of the oil-water separation tank is connected to a first conditioner by virtue of a pipeline; a submersible sewage pump is arranged in the first conditioner; the discharging hole of the submersible sewage pump is connected with a feeding hole of a multi-disk screw thickener; a second discharging hole of the multi-disk screw thickener is connected to a second conditioner by virtue of a pipeline; the second conditioner is connected with a feeding hole of a plunger pump by virtue of a pipeline; a discharging hole of the plunger pump is connected with a feeding hole of a plate-and-frame filter press; a residue outlet collection bucket of the plate-and-frame filter press is connected with the feeding hole of a residue delivery screw; the discharging hole of the residue delivery screw is connected with a residue box. Aiming at the material characteristics, the problems generated during operation of the original anaerobic fermentation liquid solid-liquid separation equipment with participation of kitchen wastes are gradually solved, the operating stability is improved, the treatment effect is ensured, the operating cost is reduced, secondary pollution is reduced, and the solid residues obtained by solid-liquid separation meet the national standard.

The invention discloses a self-actuated piston flow and pressure regulating valve. The self-actuated piston flow and pressure regulating valve comprises a self-actuated piston flow and pressure regulating valve body. The self-actuated piston flow and pressure regulating valve is composed of a connecting pipe, a ball valve, an upstream pressure gauge, a downstream pressure gauge, a piston type flow and pressure regulating valve, a guide valve, a needle valve, a throttle valve, a filter valve, an expansion joint, a clutch gearbox and a hydraulic cylinder. According to the self-actuated piston flow and pressure regulating valve, the filter valve can remove large particles to avoid jamming or energy efficiency decrease of the entire system, which is caused by pollutant; the hydraulic cylinder is pushed by pipe liquid pressure to adjust pressure difference without any external power or other energy sources, so that convenience can be greatly improved; the motion direction of a piston is identical to that of fluid, runners can be simple, the cavitation coefficient can be improved significantly, and the anti-cavitation effects in high pressure difference can be significant. Meanwhile, the self-actuated piston flow and pressure regulating valve is reasonable in design, simple in structure and convenient to operate.

The invention discloses a two-roll cross piercing method for a nickel-based high-temperature alloy solid bar billet. The two-roll cross piercing method comprises the following steps: holding an ejector rod of a two-roll cross-rolling piercer by a centering device of the two-roll cross-rolling piercer; setting forward extending amount of an ejector head of the ejector rod to be 5mm-15mm, setting a feed-in angle of the two-roll cross-rolling piercer to be 8-15 degrees, setting a grinding-rolling angle to be 15 degrees, setting a press-down rate to be 7%-17%, and setting rolling roll rotation speed to be 30r/min-40r/min; heating up the nickel-based high-temperature alloy cylindrical bar billet to a temperature of 1010 DEG C - 1050 DEG C; transferring the heated nickel-based high-temperature alloy cylindrical bar billet into a guide slot of the two-roll cross-rolling piercer from a heating furnace; enabling the ejector head of the ejector rod to align to a to-be-pierced position of the nickel-based high-temperature alloy cylindrical bar billet, and enabling the nickel-based high-temperature alloy cylindrical bar billet to pass through the ejector rod under driving of a rolling roll of the two-roll cross-rolling piercer. According to the two-roll cross piercing method disclosed by the invention, the heating temperature, the rolling roll rotation speed, the press-down rate and the forward extending amount of the ejector head are reasonably combined, so that a rolling-blocking phenomenon caused by great alloy deformation resistance is effectively avoided, and manufacturing efficiency of cross piercing of the nickel-based high-temperature alloy cylindrical bar billet is improved.

The invention discloses a constant-flow drain valve which comprises a water valve cavity, a water valve water inlet connector, a filter screen, a water valve drain connector, a water valve liquid outlet, a valve pipe, a valve column, a plunger valve and a floating ball. The water valve water inlet connector is arranged at the upper end of the water valve cavity, the filter screen is arranged in the water valve water inlet connector, the water valve drain connector is arranged at the lower end of the water valve cavity, the water valve liquid outlet is formed in the water valve drain connector, the valve pipe is arranged on the water valve liquid outlet, the valve column movably penetrates into the center of the valve pipe, the plunger valve is arranged at the top of the valve column, and the floating ball is arranged on the plunger valve. The plunger valve is lifted directly through the buoyancy of the floating ball, the buoyancy of the floating ball and opening of the plunger valve are in direct proportion, opening of the plunger valve, the open area of the valve column and the valve pipe and the drain amount of the valve column and the valve pipe reach a balance point, water can be drained automatically and stably, water outlet flow is constant, the design is simple, jamming is reduced, air leakage is avoided, observation and detection are facilitated, and the constant-flow drain valve can be used for experiment detection, and is simple in structure, convenient to main, low in maintenance cost, high in sealing performance, long in service life, and high in work efficiency.

The invention relates to a transformer radiator moving type automatic washing cooling device. The transformer radiator moving type automatic washing cooling device comprises a trolley and a bracket. The bracket is provided with a vertical guiding rail and a horizontal guiding rail. The vertical guiding rail is provided with a transmission belt. The transmission belt is provided with a vertical sliding block. The horizontal guiding rail is arranged on the vertical guiding rail. The horizontal guiding rail is provided with a transmission chain. The transmission chain is provided with a horizontal sliding block. The horizontal sliding block is provided with a spray pipe. One end of the spray pipe is provided with a spray head. The other end of the spray pipe is connected with a high-pressure water pump. The high-pressure water pump is connected with a water box. The trolley is provided with a single-chip microcomputer controller. The transformer radiator moving type automatic washing cooling device has the advantages that a spray head in the spray pipe sprays high-pressure water through the high-pressure water pump, dirt in flakes gaps of a radiator is washed away, the radiator is washed, the radiating efficiency of the radiator is restored, manual work is changed to mechanization, the safety in the hot-line washing operation is ensured, the equipment safety hazard is eliminated, the manpower cost is reduced, the health of workers is ensured, and the working efficiency is improved.

The invention discloses a static offset rotary steerable drilling tool with a sandwich cylinder structure. The static offset rotary steerable drilling tool comprises a non-rotary sleeve, a central shaft and a centralizing sleeve, the front part of the non-rotary sleeve is connected to the front part of the central shaft through a focusing centralizing bearing or a centralizing bearing; the rear part of the non-rotary sleeve is connected to the centralizing sleeve through at least one set of centralizing bearing; and a drill bit protruding out of the non-rotary sleeve is fixed to the front endof the central shaft. The limit connection relationship between the central shaft and the non-rotary sleeve is realized by adopting the centralizing sleeve, the length of the non-rotary sleeve exposedon the outside is shortened, so that the possibility of jamming of the rotary steerable drilling tool during the process of run-in-hole or pull-out-of-hole in a high curvature borehole is reduced, and the operational success rate of the rotary steerable drilling tool is increased.

A downhole apparatus (10) for use in activating a downhole tool (T). The apparatus (10) comprises a seat (18) configured to receive an object, such as a ball (16). The seat (18) comprises a convex object engaging surface (24) for engaging the object.

The invention provides semi-automatic filling equipment for lotus roots filled with glutinous rice and relates to the food processing field. The semi-automatic filling equipment for lotus roots filledwith glutinous rice comprises a filling bin, support legs are fixedly connected with the bottom of the filling bin, the back of the filling bin is fixedly connected with a support pillar, a fixing plate is connected with one end, away from the filling bin, of the support pillar, a feeding device is arranged above the fixing plate, and a conveying device is connected onto the feeding device. According to the semi-automatic filling equipment for lotus roots filled with glutinous rice, a discharging motor is arranged on the feeding device, the discharging motor rotates to drive a stirring blockto rotate, a bounce spring is arranged on a discharging plate, the stirring block rotates to stir a stirring rod and the discharging plate to circularly move left and right, rice grains can be smoothly leaked from leaking holes of the discharging plate through circular bilateral movement and uniformly discharged from the discharging plate, filling of lotus root sections is facilitated, and the condition that a lot of rice grains are stacked at a loop ring is prevented.