22results about How to "Smooth navigation" patented technology

According to the tension training assembly suitable for the strength training instrument and the strength training instrument, the flexible guide rail is adopted as the flexible movement guide rail of the movable pulley block, and the two ends of the movable pulley block are connected with the suspension wire and the resistance source pull rope correspondingly; a trainee pulls the movable pulley block to slide along a sliding stroke area limited by the flexible guide rail through the suspension wire so as to overcome the resistance of the resistance source pull rope and play a role in strength training. The mode that the movable pulley block is matched with the flexible guide rail perfectly solves the inherent difficulties that a traditional movable pulley metal guide rail is high in price, and left and right guide rails are blocked and unsmooth in the reciprocating motion process, and due to the adoption of the technology that the flexible guide rail is matched with the movable pulley block, the double-end rope outlet function of low-cost single-motor resistance source equipment can be achieved. And compared with the scheme in the market, the equipment cost is greatly reduced, and the use comfort performance is improved. The tension training assembly can be assembled on various rope output strength training instruments, and low-cost electronic strength training equipment is provided.

The invention provides a guide needle for insertion of a heat exchanger copper pipe in the refrigeration field. The guide needle comprises an insertion part, a guide part and a butt joint part which are arranged in sequence. The maximum outer diameter of the guide part is larger than the outer diameter of the copper pipe and smaller than the inner diameter of the fin channel. According to the guide needle for insertion of the heat exchanger copper pipe in the refrigeration field, the guide part is arranged, and the guide needle obtains resistance of proper magnitude in a fin channel by setting the maximum outer diameter of the guide part, so that smooth guide is guaranteed, and the guide needle is prevented from falling off from the copper pipe.

The utility model discloses a slope flood intercepting ditch for early closure of a gentle slope valley type landfill. The slope flood intercepting ditch comprises a flood intercepting ditch body, bolts and a ballast layer. The flood intercepting ditch is formed in a preset position of the reservoir area slope; the sealing anti-seepage film and the landfill reservoir area bottom film are anchored on the inner side of the flood intercepting ditch through bolts; and the ballast layer is arranged in the flood intercepting ditch and is used for carrying out ballast fixation on the field sealing impermeable film and the landfill reservoir area bottom film which are anchored in the flood intercepting ditch. The flood intercepting ditch is constructed at the preset position of the reservoir area slope of the valley-type landfill, so that good collection and smooth guide and drainage of rainwater gathered in the landfill and the local slope can be ensured; the closure covering film and the landfill area bottom film are anchored in the flood intercepting ditch through the bolts and ballasted, so that the integrity of connection of the closure covering film and the landfill area bottom film is guaranteed, and good rain and sewage diversion and pollution prevention and control effects are achieved.

The invention relates to the technical field of medical instruments, in particular to a piezoelectric driving miniature optical probe for cerebrovascular interventional imaging, which comprises a glass tube base body, a single piezoelectric ceramic piece and the like, and is characterized in that the glass tube base body is of a hollow cylindrical structure, and an inclined groove is formed in the axial center of the glass tube base body; the single piezoelectric ceramic piece is fixed on the outer side of the glass tube base body. Through a hollow rod type stator structure composed of a single piezoelectric ceramic piece and a glass tube base body with a 10-degree inclined groove, mode conversion from longitudinal vibration to longitudinal-torsional coupling vibration is achieved, an elliptical motion track is formed at the position of a miniature magnetic ring at the front end of the stator, 360-degree optical scanning is achieved through friction driving of a rotor, and the mechanical property of the motor is improved. Compared with a traditional far-end miniature probe with the diameter usually larger than 1.5 mm, the whole outer diameter of the probe is reduced to 0.4 mm, and smooth navigation and passing in tortuous and narrow brain middle artery (the diameter is usually smaller than 0.5 mm) are easier.

The utility model belongs to the technical field of sintering machines, and discloses an air exhaust mechanism and a sintering device, and the air exhaust mechanism comprises an air exhaust assembly, a connecting pipe and a protective part. The air suction assembly comprises an air suction pump and an air inlet pipe, the air inlet end of the air suction pump communicates with the air outlet end of the sintering machine through the air inlet pipe, one end of the connecting pipe communicates with the output end of the air suction pump, and the other end of the connecting pipe communicates with a flue of the sintering machine. The multiple protection parts are sequentially laid on the inner wall of the connecting pipe to form a protection barrel, the outer circumferential wall of the protection barrel abuts against the inner circumferential wall of the connecting pipe, a containing channel is formed in the protection barrel, and the two ends of the containing channel communicate with the flue and the output end of the air extracting pump correspondingly. The sintering device comprises the air exhaust mechanism. Through the arrangement, the air exhaust mechanism can prolong the service life of the connecting pipe, cost is reduced, efficiency is improved, and the sintering device can improve safety and prolong the service life.

This utility model discloses a milling head structure for a CNC roll thread milling machine, including a milling head. The milling head consists of a drill rod and a milling cutter. The milling cutter is mounted at the bottom end of the drill rod. An air duct is provided in the middle of the drill rod, and an arc-shaped air inlet is provided at the upper end of the drill rod, which is connected to the air duct. An air outlet is provided at the bottom end of the drill rod, which is connected to the air duct. When the CNC roll thread milling machine is working, external high-pressure gas enters through the arc-shaped air inlet at the upper end of the drill rod. The arc design allows the gas to be guided more smoothly to the air duct. The gas flows downward along the air duct inside the drill rod and finally exits from the air outlet at the bottom end of the drill rod. The ejected high-pressure gas can effectively blow away the iron filings generated by the milling cutter during the cutting process, avoiding the accumulation of iron filings that affect machining accuracy and milling cutter life.

A loom yarn hook device, comprising a shears support frame, a cantilever beam, a yarn hook hanger and a yarn hook, the cantilever beam is inserted into the shears support frame, the yarn hook hanger is fixed on the cantilever beam, the cantilever beam is fixed with a yarn hook fixing rod, the rod body of the yarn hook fixing rod is fixed with the yarn hook on the side away from the shears support frame, the yarn hook hanger is provided with a strip-shaped hole, the yarn hook fixing rod is provided with a blocking cover corresponding to the limiting block slot on the periphery of the strip-shaped hole, and the end of the yarn hook fixing rod on the side of the recess in the blocking cover is screwed with a second locking nut after passing through the strip-shaped hole. The yarn hook device creatively provides a positioning structure between the yarn hook hanger and the yarn hook fixing rod, which is not easy to loosen horizontally and vertically, is firmly positioned, and does not produce burrs on the guide part due to up-down movement positioning, solves the defects that the yarn hook fixing rod of the existing yarn hook device is not firmly positioned and is easy to produce burrs due to movement, and can effectively ensure the guiding effect of the fabric or yarn.

The invention discloses an insert injection molding body, a magnetic circuit part and a direct-acting relay, and the insert injection molding body comprises a flux sleeve and a coil frame which are integrally formed through insert injection molding. The magnetic conductive sleeve is made of a magnetic conductive material and is provided with a guide channel extending along a first direction, and the guide channel is used for guiding the movement of the movable iron core of the magnetic circuit part along the first direction; the coil rack is provided with a shaft hole extending along a first direction; and the flux sleeve is positioned in the shaft hole. The magnetic circuit part and the direct-acting relay comprise the insert injection molding body. By adopting the technical scheme, compared with the prior art, the direct-acting relay can be ensured to be closed under rated closing voltage.

The purpose of the present invention is to smoothly guide a fishing line while suppressing the height and volume of a fishing line guide. The present application is provided with an annular part (10) having an annular guide surface (20) for guiding a fishing line, and an attachment part (11) which supports the annular part (10), extends in the axial direction of a rod body (2), and is attached to the rod body (2), the annular guide surface (20) having a first guide surface (31) along a first arc (41a) of a first circle (41), and a second guide surface (32) along a second arc (41b) of a second circle (41), the first guide surface (31) is provided on the mounting part (11) side of the first guide surface (31) and is defined by a first radius centered on a first center (41b) located within the annular part (10), and the second guide surface (32) is provided on the mounting part (11) side of the first guide surface (31) and along a second arc (42a) of the second circle (42), and the second circle (42) is defined by a second radius centered on a second center (42b) and larger than the first radius.

The utility model relates to a kind of heat dissipation structure of vegetable cutter, including machine body and heat dissipation fan, the machine body includes casing and driving device, the driving device is arranged in casing, the bottom of the casing is provided with the heat dissipation cavity and heat dissipation passage that communicate casing inner chamber, the inlet of the heat dissipation passage communicates the heat dissipation cavity, the bottom of the casing is opened with heat dissipation port corresponding the outlet position of heat dissipation passage, the heat dissipation fan is placed in heat dissipation cavity, the heat dissipation fan is connected with driving device, driving device drives heat dissipation fan rotation.The utility model is by being provided with heat dissipation cavity and heat dissipation passage in the bottom of casing, and heat dissipation fan is installed in heat dissipation cavity, so that driving device drives fan rotation when operating, forms air circulation path, and internal heat of casing is rapidly discharged;Heat dissipation cavity and heat dissipation passage communication design improve air circulation efficiency, can effectively reduce motor and internal component temperature, prevent overheating damage, to improve the stability of whole machine work and service life.

The utility model relates to the technical field of high-pile wharf pile foundation structures, in particular to an ultrahigh-toughness connecting structure for a precast pile core and a steel pipe pile. Comprising a pile core, a steel pipe pile and a grouting connecting structure, the pile core is of a reinforced concrete columnar structure, and a first limiting structure for increasing the contact area of a grouting material and the pile core is arranged on the circumferential outer side face of the pile core; the upper end of the steel pipe pile is open, a closed structure is arranged at the bottom of the pile core in the steel pipe pile, and a second limiting structure used for increasing the contact area of the grouting material and the steel pipe pile and a guiding structure used for guiding the pile core put into the steel pipe pile are arranged at the position close to the upper end in the steel pipe pile. The grouting connecting structure is a connecting structure formed by a grouting material filled between the pile core and the steel pipe pile after the pile core is inserted into the steel pipe pile. The connecting structure of the precast pile core and the steel pipe pile is extremely simple, stable and convenient to construct, the connecting strength of the precast pile core and the steel pipe pile through the grouting material is guaranteed, and the mounting efficiency is improved.

The present invention provides a structure for preventing scour and water droplets in debris flow in loess areas, comprising: a drainage structure, wherein the drainage structure comprises a first horizontal section, an inclined section, and a second horizontal section arranged in sequence, wherein the first horizontal section is higher than the second horizontal section, an anti-scour strip is arranged in the inclined section, and a force dissipation tooth is arranged in the second horizontal section. The present invention sets an anti-scour and water droplet in the drainage project, which, on the one hand, facilitates flood discharge in the channel, and on the other hand, can reduce the scour damage of debris flow through the energy dissipation effect of the anti-scour and water droplet. At the same time, various types of force dissipation teeth are dispersedly arranged, which neither affects the flow capacity of the drainage structure nor ensures the smooth drainage of floods or debris flow.

The utility model relates to an air sterilizer structure, and relates to the technical field of air sterilization. The air sterilizer structure comprises a protective shell, a supporting gasket, a mounting seat, a photocatalyst carrier, an air guide mechanism, an air inlet unit and an exhaust hood, and the air inlet unit comprises an air collecting hood and an ultraviolet generating device. And finally, the air is exhausted through the exhaust hood, so that the aim of efficiently and safely sterilizing and purifying the air is fulfilled.

The utility model relates to the field of mowers, in particular to a centrally-mounted mowing machine shell and a mowing machine, the centrally-mounted mowing machine shell comprises a cover shell main body and two getting-on supporting plates, the two getting-on supporting plates are fixed on the top surface of the cover shell main body at intervals, and the middle part of each getting-on supporting plate is provided with a supporting section which protrudes upwards. The mower comprises the middle mower shell. The tractor cover shell has the advantages that the two boarding supporting plates are installed on the top face of the cover shell body and used for supporting two front wheels of a tractor, the cover shell body is protected when the tractor runs through the cover shell body, and the supporting strength of the cover shell body is improved. The upper vehicle supporting plate is simple in structure, and the weight of the mower cannot be increased too much.

The utility model relates to a high-low mixing and horizontal mixing circulating stirring device, which aims at solving the technical problem that the current material has a straight angle when entering, so that the current material collides with the following material and the material conveying is influenced, and comprises a mounting frame, a material mixing bin is arranged at the top of the mounting frame, and the high-low mixing and horizontal mixing circulating stirring device further comprises a material dispersing bin, a feeding channel, a discharging valve and a guide structure; the bulk bin is fixedly arranged at the feeding end of one side of the top of the mixing bin; one end of the feeding channel is fixedly connected with the feeding end of the bulk material bin; the discharge valve is arranged at the discharge end of the bottom of the mixing bin; the guide structure is arranged in the bulk material bin; the guide structure comprises an arc-shaped plate; one end of the arc-shaped plate is fixedly arranged on the inner wall of one side of the material inlet of the bulk material bin; the utility model has the advantages that the material entering from the material inlet of the bulk material bin is changed from the longitudinal direction to the transverse direction along the arc-shaped plate, the arc-shaped guide is smoother, and the material obstruction is reduced.

The utility model discloses a large-diameter pipeline induction trigger device applied to dusty environment, which comprises a guide movable plate, an overall fixing frame, a ball swing rod limit switch, a reset mechanism and a buffer mechanism, the guide movable plate is arranged above the overall fixing frame, the ball swing rod limit switch is fixed on the overall fixing frame, and the reset mechanism is fixed on the overall fixing frame. The ball swing rod limiting switch is located below the guiding movable plate, a buffering mechanism is arranged between the overall fixing frame and the guiding movable plate, and the limiting buffering mechanism can effectively prevent the situation that when external force is too large, the downward moving amplitude of the guiding movable plate installation base plate is too large, and the ball swing rod limiting switch is crushed. And good buffering is provided, and the shock resistance of the whole device is improved. A reset mechanism is arranged between the guide movable plate and the overall fixing frame, the reset mechanism can rapidly lift the guide movable plate upwards to return to the original position after the large-diameter pipeline leaves the device, and therefore signals of the ball swing rod limiting switch are reset to facilitate next-time induction triggering. According to the utility model, the in-place sensing and triggering of the large-diameter pipeline can be realized, and the influence of dust is avoided.

The utility model relates to the technical field of hoists, in particular to a chain guide structure of a chain hoist, which comprises a chain guide plate, a right wall plate and an outer wall plate are sequentially arranged on one side of the chain guide plate, a left wall plate and a ratchet wheel housing are sequentially arranged on the other side of the chain guide plate, and a through hoisting chain wheel hole is formed in the middle of the chain guide plate. A left chain guide groove and a right chain guide groove are formed in the two sides, close to the right wall plate, of the lifting chain wheel hole respectively, a baffle position groove is formed in the lower portion, close to the right wall plate, of the lifting chain wheel hole, a lifting chain wheel is arranged on the inner side of the lifting chain wheel hole, and the outer side of the lifting chain wheel is sleeved with a lifting chain. The guide chain plate is of a novel guide chain structure, is different from single guide structures such as a lifting chain wheel and a guide chain plate in the prior art, has the advantages of being good in material sealing performance and excellent in guiding performance, and has the advantages of being high in strength, light in weight, dustproof, safe, smooth and reliable in guiding, good in sealing performance, safe, dustproof and the like.

A stable steel ball guide column set comprises a sliding base, a buffer spring, a ball bushing, a cover plate, a guide column, a guide column base, a lower die base and a second screw hole, the sliding base is installed on an upper die base through a first screw, the ball bushing is inserted into the sliding base, the buffer spring is installed on the outer side of the ball bushing, and the cover plate is installed on the guide column base. A cover plate for limiting the ball bushing is installed at the bottom end of the sliding base through a thin-head screw, a guide column base is installed on the lower die base through a second screw, a guide column is installed in the middle of the guide column base, and through holes are formed in the positions, corresponding to the guide column, of the sliding base and the upper die base. The guide pillar group of the die is novel in structure and ingenious in conception, the precision of the guide pillar group is improved, the service life of the guide pillar group is prolonged, the limitation of the guide pillar group is greatly reduced, and various risks and potential safety hazards possibly occurring in the production process of the die are eliminated.

The utility model discloses a coconut cutting bearing device which comprises a bottom plate, a rotating bin, a liquid receiving hopper and a conveying device, the rotating bin comprises a base plate, an end supporting plate and two side baffles, one end of the rotating bin is connected with the bottom plate through fixing supporting legs, the other end of the rotating bin is connected with the bottom plate through an electric lifting rod, and two filter screen parts are installed at the liquid receiving hopper; sliding grooves are formed in the two sides of the filter screen parts, sliding rails matched with the sliding grooves are arranged at the liquid receiving hopper, a first magnetic strip is arranged at the end of one filter screen part, and a second magnetic strip is arranged at the end of the other filter screen part. According to the bearing device, after a coconut is cut into two halves, the rotating bin is rotated through the electric lifting rod, so that the two halves of the coconut are moved to the two conveying devices towards the two sides correspondingly and conveyed to the downstream process. And the filter screen part is mounted at the liquid receiving hopper, so that coconut water can be filtered through the filter screen part, and the filter screen part is convenient to disassemble and assemble, thereby facilitating replacement and maintenance.

The utility model relates to the technical field of oil supply valves, and discloses an oil supply valve with good stability, which comprises a valve body and a shell, a stabilizing mechanism is arranged in the valve body, the stabilizing mechanism comprises a rotating shaft, a ratchet wheel, a pawl, a second spring and a plurality of rotating blades, a pressure spring is fixedly arranged in the valve body, a clamping block is fixedly arranged at the lower end of the pressure spring, and the clamping block is fixedly connected with the ratchet wheel. A pressure relief opening is formed in the portion, close to one side, of the interior of the valve body, an oil return pipe is fixedly arranged on one side of the valve body, an oil inlet pipe is fixedly arranged on one side of the interior of the valve body, and a sealing ring is arranged in a clamping block in a clamped mode. During use, oil enters the valve body through the oil inlet pipe and enables the stabilizing mechanism to be started, the oil pushes the rotating blades to rotate, the oil outlet amount is controlled, oil supply stability is guaranteed, if the pressure in the valve body is large, the oil extrudes the clamping block to enable the clamping block to slide, and the clamping block is prevented from sliding. And the oil returns into the oil inlet pipe through the oil return pipe, so that the protection effect is started.

The utility model relates to a plate warpage correcting device suitable for a packaging carrier plate, which belongs to the technical field of packaging carrier plate processing and comprises a winch and a correcting mechanism, the correcting mechanism comprises a placing mechanism and a pressing mechanism, and an arc-shaped recess is arranged above the placing mechanism and is matched with an arc-shaped bulge of the pressing mechanism to realize accurate pressing; a supporting rod, a cross rod I and a cross rod II are arranged on the base, higher stability is provided, a driving mechanism comprising a driving motor and a transmission disc and a hoisting mechanism comprising a winding wheel, an operating rod and a steel wire rope are further arranged on the base, and it is ensured that the device is stable and efficient in power transmission; and through the integrated design, the efficiency and the precision of correcting the warping of the packaging carrier plate are improved, and the cost is reduced.

The utility model discloses a composite yarn godet roller capable of reciprocating rotation guiding in the technical field of spinning godet rollers, which comprises a guide roller, a godet groove and a driving roller, the godet groove is a waved groove connected end to end, the godet groove is recessed inwards and is arranged on the cylindrical side wall of the guide roller, and the driving roller is arranged on the guide roller. The crests and the troughs of the silk guide groove are distributed in the left-right direction to cover the left side and the right side of the silk guide roller, the side wall of the driving roller is tightly attached to the side wall of the guide roller, silk threads are not clamped between the driving roller and the silk guide roller any more, the positions of the silk threads are limited in the silk guide groove, and the silk threads can move back and forth in the silk guide groove. The silk yarn is guided and restrained by being matched with the silk guide, but the silk yarn is not clamped, so that the friction area between the surface of the silk yarn and the silk guide roller and the driving roller is reduced, the friction force is further reduced, and the bounce of the silk yarn during winding is reduced; and various abnormal conditions caused by overlarge friction force when the silk threads are wound are effectively avoided and relieved.