154results about How to "Avoid falling out" patented technology

The invention relates to a grain selection system having the functions of distributing materials uniformly and pre-selecting. The system includes a material vibrating plate, a selection sieve and a fan. The material vibrating plate is composed of a vibrating plate surface, a vibrating plate guide strip, a vibrating plate weight counterweight wheel, a vibrating plate chain wheel and a vibrating plate counterweight sheet. When grain is selected, the grain is distributed uniformly in the radial direction of the selection mechanism, pre-selection can be conducted on materials, a part of the grain can pass through the sieve in advance, the selection pressure of a rear-portion selection mechanism is thus reduced, and the selection efficiency is largely improved. By additional installing sheet-like adjustable counter weights on power input parts of the material vibrating plates and the selection sieves, the inertia force of the selection mechanism can be reduced by adjusting the counter weights, and the effect of reducing vibration and noise is thus achieved.

The invention provides a bearing assembly device capable of automatically assembling a rolling ball, relates to the technical field of bearing processing, and aims to solve the problems that efficiency of manually rotating a bearing inner ring by a worker is lower after the worker needs to fill single rolling ball into a holder at relatively low speed, and assembles the rolling ball on the bearing, the position of the holder needs to fix in an assembly mode to prevent the rolling ball from dropping out of a rail, and efficiency is lower. The bearing assembly device comprises a base station, wherein the rear end of the top plane of the base station is perpendicularly upwards equipped with a supporting frame fixedly. According to the bearing assembly device provided by the invention, the front end of a lifting mechanism is perpendicularly spliced with a pressure rod, the middle part of a wheel shaft is fixedly equipped with a gear, teeth which are engaged with the gear are uniformly arranged on the back arc surface of the pressure rod vertically in a spaced mode, and the right end of the wheel shaft is perpendicularly equipped with a handle; and while the handle is rotated anticlockwise, the gear can rotate to move the pressure rod downwards, so that a ball inlet mechanism can be in butt joint to a bearing, and therefore, rolling ball assembly action is accomplished.

The invention provides a walnut hull breaking machine. The walnut hull breaking machine comprises a feeding passage, a push rod device, a cutting device, an extruding cylinder, an extruding device and a leakage-proof device. During working of the walnut hull breaking machine, a material of which the hull is to be broken enters the feeding passage from a first feeding hole in a manner that the head and the tail are parallel to the cutting device; the push rod device is used for pushing the material of which the hull is to be broken to approach the cutting device along the feeding passage so that the cutting device can cut the head and the tail of the material of which the hull is to be broken; the push rod device continues to push the material of which the hull is to be broken to enter the extruding cylinder; at the moment, the leakage-proof device is used for blocking a second discharging hole and a second feeding hole of the extruding cylinder, and the extruding device is used for extruding the material of which the hull is to be broken so that the hull of the material can be broken; afterwards, the leakage-proof device leaves away from the second discharging hole of the extruding cylinder, so that the hull-broken material falls off from the second discharging hole of the extruding cylinder. Therefore, the walnut hull breaking machine disclosed by the invention can be used for mechanically and automatically breaking the hull of a walnut, manual hitting on walnut hulls can be prevented, the manual operation time is saved, and the efficiency for breaking the walnut hulls to obtain walnut kernels can be improved.

The invention discloses a medical instrument box for surgery. The medical instrument box comprises an instrument box body and an instrument box cover, wherein one side of the mechanical box cover is connected with the instrument box body through hinges, the instrument box body is of a cubic structure, rails are installed at the two sides of the inner wall of the instrument box body respectively, a first cuboid storage compartment is installed on the rails, a drawer groove is formed in one side of the lower portion in the instrument box body, a storage drawer is arranged in the drawer groove, multiple elastic bands are arranged at one side in the storage drawer, a second coboid storage compartment is arranged at the other side in the storage drawer, and a storage drawer cover is hinged to the second coboid storage compartment; a first buckle body is arranged on the upper portion outside the instrument box body, a second buckle body is arranged on the instrument box cover, and the first buckle and the second buckle are connected in a matched mode. The medical instrument box is novel in structure, reasonable in design, low in manufacturing cost and easy to popularize.

The invention relates to the field of agricultural planting and particularly discloses a cultivation apparatus of black wax gourd, comprising a cultivation tank, a water-absorbing barrel and a pillar;a water storage cavity is arranged in the pillar; the lower portion of the pillar is provided with a water inlet and a sealed channel; a return spring and a seal plate are arranged in the sealed channel; a water-absorbing piston is arranged in the water-absorbing barrel; the sidewall of the water-absorbing barrel is provided with an exhaust one-way valve and a water-absorbing one-way valve; a partition is arranged in the cultivation tank and is provided with through holes; a plurality of support components are arranged below the partition; each support component includes a support spring anda cylinder, one end of the support spring is fixed to a piston of the cylinder, and the other end of the support spring is abutted to the partition; an inflating tube is fixed to the sidewall of the cultivation tank; an electromagnet is fixed to the cultivation tank; the bottom of the cultivation tank is provided with a switch; after the switch is pressed, the electromagnet is enabled to start operating. The cultivation apparatus of black wax gourd enables plants to be automatically watered during growth.

The invention discloses an SOT23 lead frame structure and a packaging process flow thereof. The SOT23 lead frame structure comprises a frame and a plurality of mounting units, wherein the mounting units are arranged on the frame in a manner of X rows and XY columns; a column of runners is arranged at an interval of N columns of mounting units; N is not smaller than 2; each mounting unit comprises an outer pin; the outer pins of two adjacent rows of mounting units are crosswire staggered with one another; a dam bar I is arranged between two adjacent outer pins of the same mounting unit; a dam bar II is arranged between the adjacent outer pins of two adjacent mounting units in the same row of mounting units; a dam bar III is arranged between the outer pins at the outermost sides of the mounting units at the left end and the right end in the same row of mounting units and the frame; and in trimming and forming processes, the dam bar I at one side is firstly cut, the dam bar I at the other side is cut and conveyed to a track of a forming part, and then the dam bar II and the dam bar III are cut off.

The invention belongs to the technical field of produce planting, and discloses a grafting method of bitter gourds. The method comprises the steps of construction of a device for grafting, seed treatment, sowing, grafting and management after grafting, wherein fixation is conducted in the process of bitter gourd grafting by means of a fixing device for bitter gourd grafting, so that the situation that the bitter gourds break off is avoided. The problems that in the prior art, the bitter gourds are likely to break off after grafted, and thus the survival rate of bitter gourd grafting is low are solved.

The invention discloses a multi-functional basket for shared bicycles which is convenient for picking up items. The basket body is connected with the cover plate through the first rotating shaft, the inner wall of the main basket body is fixed with slide rails, and the main basket body is connected with the attached basket body through the slide rails, and the second leaking net is installed inside the main basket body At the lower end, the fixing part is installed on one side of the main basket through a bolt, the folding telescopic rod is connected with the mobile phone clip through the second rotating shaft, and the cup holder is fixed on the other side of the main basket. The multi-functional basket for shared bicycles that is easy to take items is provided with an attached basket body inside, which can be easily lifted by pulling the slide rail with the handle. The shape of the attached basket body is convenient for taking internal items while preventing items from When it falls out, a mobile card is fixed on one side of the main basket, which is convenient for judging the direction according to the map when riding.

The invention discloses a method for integrally mounting railway accessories with a packing box. According to the method, an accessory group A is quickly mounted through the packing box, the packing box accommodating the accessory group A is inserted on spikes, a drawing body is drawn out, a cover body is pulled out, and fasteners are tightened through a tool, so that the mounting of the accessory group A can be achieved. The packing box comprises the cover body and the drawing body, wherein the cover body comprises a cavity and a bottom; the shape of the cavity is decided according to the using state when the accessory group A is mounted between a rail and a sleeper; a locating hole is formed in the drawing body; the locating hole corresponds to a hole formed after the stacking of all the railway accessories contained in the accessory group A; and the size of the locating hole is larger than or equal to the outer diameter of the spikes. According to the method, when the railway accessories are mounted, all the accessories together with the packing box are inserted on the spikes or/and are placed between the rail and the sleeper, then the packing box is removed, and the mounting of the railway accessories can be achieved after the fasteners are tightened; and through the utilization of the packing box, the mounting of the railway accessories is quick, time-saving and effort-saving.

The invention discloses assembly-line type separation equipment for stacking fragile products. The assembly-line type separation equipment structurally comprises a stacking cylinder, a limiting device, a plurality of processing bodies, a sucker device, a conveying belt and a separation device; the limiting device is arranged on the inner wall of the stacking cylinder; the sucker device is arrangedon the left side of the stacking cylinder; the plurality of processing bodies are stacked on one another and positioned in the stacking cylinder; the separation device is arranged on the right side of the stacking cylinder; the conveying belt is positioned below the stacking cylinder; and the sucker device is arranged above the conveying belt. Some fragile processing bodies can be effectively andstably separated and can be prevented from directly falling onto the conveying belt to be fragmented or falling out of the conveying belt; and the distance between two driven cylinders can be lengthened according to needs so that the processing bodies can move downwards for a longer distance, so that procedures such as code pasting or paint spraying are facilitated in the downwards moving process, the working efficiency is improved, the length of an assembly line is shortened, and the space utilization rate is high.

The invention relates to a novel composite bearing for forklifts, comprising a main roller, a spindle nose and a side roller. The main roller sleeves the spindle nose. The top end face of the spindle nose is provided with an inner cavity having a cross-shaped cross section, and the side roller is arranged in the inner cavity. The side roller rises above the top end face of the spindle nose. An adjusting and limiting mechanism for preventing the side roller from falling off is arranged at the top end face of the spindle nose. Threaded holes at the two sides of the bottom end face of the spindle nose are respectively connected with an adjusting bolt. The top ends of the two adjusting bolts respectively abut against the two ends of the side roller shaft of the side roller. The novel composite bearing for forklifts has the advantage that the number of components is reduced, the structure is simple and assembling and processing are convenient as a side roller bracket is removed and the side roller is directly mounted on the spindle nose.

The invention relates to a pulverizing device and particularly relates to a waste paper pulverizing device for carton printing. The waste paper pulverizing device facilitates recovery of the pulverized waste paper. The waste paper pulverizing device for carton printing comprises a bottom plate, n-shaped rods, a crushing box, a discharging hopper, a feeding hopper, a first roller, a first blade, afirst pulley, a flat belt, a cylinder and a second pulley. The n-shaped rods are installed in the middle of the top of the bottom plate. The right side of the outer top of the n-shaped rod is providedwith a pulverizing box. The top of the pulverizing box is provided with the feeding hopper. The feeding hopper is communicated with the interior of the pulverizing box. The lower part in the pulverizing box is provided with the discharging hopper. The lower part of the discharging hopper is located below the n-shaped rods. A sorting device can collect waste papers so that people facilitates wastepaper treatment. Through a compression device, the waste paper does not fall off from the feeding hopper. The waste paper pulverizing device saves time and labor, has good pulverizing effects and facilitates collection of the waste papers.

The invention belongs to the technical field of tea leaf processing equipment, and discloses a fermenting device of black tea. The fermenting device comprises a fermenting piece and a driving piece, wherein the fermenting piece comprises a vertical plate; a horizontal plate is arranged on the vertical plate; a plurality of pull rods are hinged to the horizontal plates; a fermentation tank is arranged at the bottom of each pull rod; a feeding opening and a discharging opening are formed in each fermentation tank; every two adjacent fermentation tanks communicate through a connecting pipe; a ventilating opening is formed in each fermentation tank; a mesh screen is arranged on each ventilating opening; each ventilating opening is located under the corresponding connecting pipe; a baffle plate is arranged in each fermentation tank, and is hinged to the top of each ventilating opening; an air outlet is formed in one side close to the vertical plate, of each fermentation tank; the driving piece comprises a base, a driving block, a connecting rod, a rotating rod and a motor; the base is located on one side away from the vertical plate, of the fermentation tanks; a sliding groove is formed in the upper surface of the base; the driving block is in sliding connection to the sliding groove; the rotating rod is driven by the motor to be in circular motion; and one end of the connecting rod is hinged to the rotating rod, and the other end of the connecting rod is hinged to the driving block. Through the adoption of the fermenting device disclosed by the invention, the problem that in the prior art, the fermenting of tea leaves is uneven is solved.

The invention discloses a combined isolation fence fixed by mortise and bolt. It consists of at least two uprights and horizontal bars arranged between two adjacent uprights. The vertical sides of the uprights are provided with the same For the I-shaped steel structure of the through-slot of the structure, at least two sets of corresponding fixing blocks are vertically provided in the two through-slots on the opposite sides of the two adjacent columns, and the fixing blocks are vertically arranged on the vertical surface away from the column. There are slots perpendicular to the inner bottom surface of the through groove, and tenons that can be inserted into the slots for fixing are provided at both ends of the cross bar; and the tenons are provided with vertical through holes, and the fixed block is provided with There is a positioning groove corresponding to the through hole, and the opening of the positioning groove is set on the upper surface of the fixed block; insert the tenons at both ends of the cross bar into the slots on the corresponding side and insert the pin into the positioning groove for fixing. The pin passes through the through hole and passes through one end to abut against the bottom of the positioning groove to achieve a fixing effect, which has better installation efficiency.

The invention discloses a positioning pin rotor assembly, and relates to the technical field of automobile parts. The problems that an existing gear positioning pin rotor assembly is not stable in mutual connection and prone to loosening after being used for a long time, and actual operation of the whole machine is affected can be solved. A rotor is arranged in a positioning pin and movably connected with the positioning pin. A first opening is formed in the lower end of the positioning pin, a threaded rod is arranged in the first opening and movably connected with the first opening, symmetrical first clamping blocks are arranged on the two sides of the threaded rod, and the two first clamping blocks are movably connected with the threaded rod. A frosted surface is arranged on the surfaceof the positioning pin, and symmetrical first grooves are formed in the positioning pin.

The invention discloses a multi-station clamping device. The multi-station clamping device comprises a base, a plurality of clamping claws arranged on the base, positioning plates and a control rod, wherein the base is provided with a groove; the side surface of the groove along the length direction is open; the upper end of each clamping claw is a cam section; all the clamping claws are hinged to the bottom wall of the groove and can rotate along the length direction of the groove; the clamping claws are distributed along the length direction of the groove; a space for accommodating workpieces is formed between every two adjacent clamping claws; the side wall of the groove is provided with a through hole; the control rod penetrates through the through hole and abuts against the clamping claws; the positioning plates are hinged to the base; the positioning plates can rotate along the width direction of the groove. According to the multi-station clamping device, the force is transmitted to the clamping claws and the workpieces by means of the control rod, the swing angles of the clamping claws can be adjusted according to the sizes of the workpieces, and in the meantime, the multi-station clamping device can be used for clamping different sizes and different shapes of workpieces simultaneously. When being clamped by the multi-station clamping device, the workpieces do not easily fall from the clamping claws and are thus prevented from losing. If the workpiece cannot completely fill the space between the corresponding clamping claws, the corresponding positioning plate can be rotated to abut against the clamping claws.

The invention provides a dustproof ore conveying device for mining. The dustproof ore conveying device comprises a hopper, a conveyor and a support. An inclined plate is welded to one side of the hopper. An air duct is welded to the inclined plate. A top cover is welded to the top of the air duct. A clamping cover is welded to the bottom of one side of the hopper. A first roller and a second roller are mounted on the support. Clamping plates are welded to the two sides of the hopper. Third rollers are mounted on the clamping plates. A supporting plate is welded to the inner wall of the top of the clamping cover. According to the dustproof ore conveying device for mining, all ore can fall to the middle of a conveyor belt, the circumstance that the falling point of the ore on the conveyor belt deviates is avoided, and the conveyor belt is prevented from deviating; small ore can be used for buffering, large ore is prevented from directly smashing the conveyor belt, and the safety of the conveyor belt and the second roller is guaranteed; and a scraper blade is used for pushing the ore, the circumstance that the conveyor belt is jammed due to the excessive ore is prevented, the operation of the conveyor belt is guaranteed, and the dustproof ore conveying device is suitable for remote conveying of the ore.

The invention discloses a tumbler-shaped pill screening disc and an application method thereof, and belongs to the field of pill screening. According to the tumbler-shaped pill screening disc, a bidirectional positioning groove and a balance supporting plate are arranged, so that the pill screening disc is in different states; in an inclined state, the pill screening disc is in an unstable state,a pushing force can be manually applied to make the pill screening disc rotate, then the separation of pills with non-standard particle sizes is realized, the pills cannot be affected by mechanical force, and thus the damaged rate of the screened pills is reduced; at the moment, the balance supporting plate is matched with a vertical positioning groove body to make the pill screening disc be in astable vertical state, and then the pills with small particle sizes collected in an external storage bag can be conveniently taken out; and when the screened pills in a separation disc need to be taken out, the balance supporting plate can be matched with an inclined positioning groove body to make the tumbler-shaped pill screening disc keep balance positioning in the inclined state, and then a medicine taking door is opened to collect the dropped pills at the moment.

The invention relates to the technical field of pipe cutting, in particular to a PE pipe cutting device convenient for waste collection. The device comprises a mounting base, a plurality of fixing devices are arranged in the mounting base in the length direction of the mounting base in a bilateral symmetry mode, a cutting device is arranged on one side of the upper surface of the mounting base, a left baffle and a right baffle are symmetrically arranged at the positions, close to the middle, of the upper surface of the mounting base, a plurality of connecting devices are arranged on the left baffle, and a filtering device is arranged on one side, close to the bottom, of the mounting seat; the mounting base comprises a mounting shell, and cutting grooves are formed in the mounting shell in a bilateral symmetry mode; each fixing device comprises a fixing bottom frame and a fixing upper cover arranged on the upper side of the fixing bottom frame; and the left baffle and the right baffle each comprise a square baffle, one end of each baffle is fixedly connected with a square pasting strip, and one side, provided with the pasting strip, of the right baffle is fixedly connected with a blocking strip. The PE pipe cutting device mainly solves the problem that waste residues generated by the cutting of a cut PE pipe can be accumulated on the cutting device.

A component fastening assembly comprises a first bracket (2) fixed to a side cover (1), a second bracket (15) mounted on an automobile body (3), and a screw grommet (17) slidably connected to the second bracket and for receiving a screw (19) which extends through the first bracket. The screw grommet is formed in one piece of synthetic resin. The screw grommet includes a grommet body (31) extending in its sliding direction from one end thereof facing to a mounting portion (35) of the first bracket (2) to allow the screw to be screwed therein and having therein a screw receiving hole (34) which has an opening at the one end of the mounting portion (35) of the first bracket (2) and extends in the sliding direction, a spring piece (37) provided at the other end of the grommet body on the opposite side of the opened end for pushing the opened end of the grommet body toward the first bracket, and an anti-dropping piece (38) to engage with a base portion (21) of the second bracket to prevent the screw grommet from dropping out of the second bracket due to the biasing force of the spring piece.

A small-diameter circular column portion having a diameter slightly smaller than that of a small-diameter hole (press-fitting hole) of an inside-outside communication hole is formed at a press-fitting end portion of a bush. A narrow annular clearance is formed between the small-diameter circular column portion and the small-diameter hole when the bush is press-fitted. Even if a press-fitting burr is produced at the press-fitting end portion during manufacturing of a common rail, the press-fitting burr is confined in the depth of the annular clearance. Even when fuel flows through the inside-outside communication hole during engine operation, movement of the fuel and the fuel flow acting on the press-fitting burr are limited in the depth of the annular clearance, inhibiting the press-fitting burr from dropping out or flowing out. Thus, a highly reliable common rail can be provided at low cost.