1973results about How to "Avoid getting stuck" patented technology

A synchronizing device of drawer sliding rails comprises two sets of sliding rail assemblies arranged on a cabinet left side plate and a cabinet right side plate, wherein a drawer is arranged on the sliding rail assemblies and is at least composed of a bottom and a front panel, each sliding rail assembly is at least composed of a movable sliding rail and a fixed sliding rail, a drawer synchronizing device body is arranged on the left movable sliding rail and the right movable sliding rail or the left fixed sliding rail and the right fixed sliding rail and at least comprises a sliding groove base and a sliding block, the sliding block acts on the sliding groove base, racks are arranged on the sliding block, gears mutually meshed with the racks are rotationally arranged on the sliding groove base and correspond to the racks, and the left gear and the right gear are connected through a rotating connecting rod to achieve synchronous opening and closing of the left sliding rail assembly and the right sliding rail assembly; a poking block is arranged on the movable sliding rails or the fixed sliding rails, and a stopping part is arranged on the sliding block and is loaded on the poking block through elasticity of an elastic part at least when a suspending distance A is preserved between the front panel and the cabinet side plates; the sliding block acts on the poking block through the stopping part in at least one segment of travel when the drawer is opened or closed so that the sliding block can slide on the sliding groove base.

A toroidal type stepless transmission where a carrier (100) and a disk (2) are in direct friction contact with each other to allow power transmission between the carrier (100) and the disk (2) by friction force. Accordingly, the transmission does not require processing of gears and claws on the disk or the carrier, which has been required conventionally. As a result, production processes are reduced to enable a considerable reduction in production costs.

The invention relates to a device and a method for continuously preparing bulk amorphous alloy ingots, which are characterized in that the preparation device comprises two vacuum chambers which are mutually independent. A main vacuum chamber is used for alloy melting and forming, and an auxiliary chamber is used for balancing pressure to facilitate throwing and secondary cooling. The primary cooling section of the preparation device and the method adopts a graphite pipe to be cast with a water cooling copper model embedding nest and is a main cooling part. The secondary cooling section adopts water cooling or natural cooling modes protected by inert gas and is an auxiliary cooling part. The device and the method have the advantages of having large cooling speed, meeting requirements of the bulk amorphous alloy ingots for formation, being simple in structure and capable of conveniently achieving metal continuous formation control and operation under vacuum inert gas atmosphere, and being strong in adaptability and capable of achieving continuous formation of ingots with various section shapes due to the fact that nesting cast with different inner cavity shapes and sizes, thereby being mainly suitable for continuous manufacture fields of the bulk amorphous alloy ingots.

The invention discloses a water area flotage cleaning device, which comprises a power device, a catcher, a separator and a flotage processing and recycling device, wherein the catcher comprises a rotary shaft and at least one catching gear, the power device matches with the rotary shaft to drive the rotary shaft, the catcher gear is arranged relative to the rotary shaft radial direction and is fixed and matched with the rotary shaft, the separator and the non-rotary part of the catcher are relatively fixed, the separator is arranged from the upper side to the lower side, the upper side is set in a comb gear shape, the comb gear shape is composed of at least two separating gears arranged in axial direction, the adjacent separate gears are arranged on both sides of the catcher gear with a gap to the catcher gears. The invention has simple and compact structure, high mechanic degree, small energy consumption, short flow, small occupancy area, easy operations, high work efficiency, environment protection property, convenient maintenance, simple process, and can maximally save labors, resources and process cost.

The invention discloses a multiple step type drilling and protecting integrated system and a process for a soft coal seam. The system mainly comprises an air compressor, a high-pressure rubber hose, a hole protecting drilling machine, a rack, a hole protecting drilling rod, a guider and a simple drill. The process comprises the steps of firstly drilling a hole by using a common drilling rod and a common drill and pulling the common drilling rod and the common drill out of the hole after the hole is formed; then performing second drilling of the formed drill hole by using the hole protecting drilling rod and the simple drill in a matching mode, and simultaneously performing wind-power auxiliary slagging, when an end hole point is drilled, the hole protecting drilling rod is not withdrawn, the whole body is left inside the hole, and hole wall supporting and gas extraction functions are achieved; and finally pulling out and recycling the hole protecting drilling rod through the hole protecting driller after the gas extraction is completed. According to the system and the process, the process is unique, a hole protecting pipe can transmit high-pressure air and can extract gas, the coal dust discharging performance is strong, the hole protecting pipe moves forwards along the drill hole easily, the hole protecting pipe diameter is large, the hole protecting length is long, the problems that the soft coal seam is small in hole protecting pipe diameter and short in feeding distance are solved, and the system and the process are particularly suitable for soft high gas coal seams with a value of a sturdiness coefficient f, which ranges between 0.3 and 0.8.

The invention relates to a bamboo breaking machine capable of automatically screening bamboo tube specifications, comprising a frame, a screening device, a bamboo tube blanking device and a bamboo breaking mechanism. The screening device includes a screening conveying plate and a conveying guard plate. The horizontal part of the screening conveying plate is provided with a screening slot and a feeding slot for defective products. The feeding slot for defective products is equipped with a lifting block for feeding defective products. The lower part of the unloading lifting block is provided with a triangular distribution of defective product blanking hinge seats, and the defective product blanking hinge seat is hingedly matched with the cylinder push rod of the defective product blanking lifting cylinder; the present invention adopts a screening groove to match a screening intercepting block Realize a bamboo tube screening with a diameter specification, which can intercept oval and bent bamboo tubes, and set a lowering block for defective products under the screening block to remove the intercepted defective products, ensure the accuracy of screening, and improve the screening and conveying. s efficiency.

The invention provides an automatic feeding device for a bobbin, and belongs to the technical field of textile machines. The automatic feeding device for the bobbin comprises a hopper, a spiral orbit, a feeding air cylinder, a feeding base, a push plate, a stop lever and a bucket-type arrangement box; the feeding base is horizontally arranged; the hopper is in a shape of a circular arc, is horizontally arranged and is connected with the side face of the feeding base; the spiral orbit is arranged in the hopper; the bobbin is arranged on the spiral orbit; the bucket-type arrangement box is arranged below the front end of the feeding base; the feeding air cylinder is arranged at the rear of the feeding base; a piston rod of the feeding air cylinder is connected with the push plate; the push plate is arranged in the feeding base in a front and back sliding manner; the width of the feeding base is 1.1 to 1.2 times of the length of the bobbin; the stop lever is fixedly arranged at the middle of the upper end of the bucket-type arrangement box; two sides of the upper end of the stop lever are respectively provided with a sloping bench. The automatic feeding device for the bobbin, provided by the invention, has the advantages that automatic feeding of the bobbin is realized, the structure is simple, the cost is low, and labor strength is greatly reduced.

The invention relates to a rotary cage-type walnut classifying screen which is high in classifying efficiency and classifying precision, small in occupied area and low in cost and is used for classifying walnuts. The rotary cage-type walnut classifying screen comprises a support. A cage-type classifying screen body is installed on the support and driven by a driving device to rotate. The driving device is installed on the support. One end of the cage-type classifying screen body serves as a feeding end, and the other end of the cage-type classifying screen body serves as a discharging end inclining towards the feeding end. The cage-type classifying screen body is composed of multiple layers of screening cages, the body of each layer of screening cage is composed of cage bars, the distance between every two adjacent cage bars of the innermost layer of screening cage is the largest, the distances are gradually decreased layer by layer, the distance between every two adjacent cage bars of the outermost layer of screening cage is the smallest, and the walnuts are classified by adjusting the distance between every two adjacent cage bars of each layer of screening cage. After fed into the cage-type classifying screen body, the walnuts with different sizes can be left in the screening cages of corresponding classes when the cage-type classifying screen body rotates and are discharged by discharging devices fixed to the support and located at the positions corresponding to the screening cages of the classes respectively.

The invention relates to a floating spherical crown dredge type metal sealing ball valve. The floating spherical crown dredge type metal sealing ball valve comprises a valve body, a valve seat, a ball body and a valve rod, and is mainly characterized in that the two sides of a through hole of the ball body are each provided with one plane; round holes perpendicular to the through hole of the ball body are formed in the centers of the planes on the two sides of the ball body and are each internally provided with one ball clack; the ball clacks are connected with the round holes in the ball body through round convex columns in a movable fit mode; positioning rings are installed at the upper and lower ends of the connection position, between the ball body and each ball clack, of the ball surface; the positioning rings and the valve rod are concentric; an annular spring cavity is manufactured in the position, between each ball clack plane and the ball body plane, of the outer side of the corresponding round convex column in the radial direction; a spring is installed in each annular spring cavity; an annular anti-blocking groove is manufactured in the position, between each ball clack plane and the ball body plane, of the outer side of the corresponding annular spring cavity; medium dredge channels are manufactured in the ball body plane inside each annular spring cavity close to the external circular surface of the corresponding round convex column and are communicated with one another, and the two ends of the medium dredge channels are communicated with the external ball surface of the ball body. The ball clacks float reliably and are good in temperature resistance performance and suitable for high temperature and ultralow temperature working medium conditions.

A drawer slide rail system comprises a slide rail subassembly, wherein the slide rail subassembly is arranged on a side plate of a cabinet and is provided with a drawer; the drawer comprises a bottom plate and a front panel; the slide rail subassembly comprises a movable slide rail and a fixed slide rail; a damping device is arranged on the movable slide rail or the fixed slide rail; when the drawer is closed, the damping device travels by a distance, and an elastic swinging plug A arranged on the damping device touches a shifting nail A arranged at the front end of the fixed slide rail or the movable slide rail; a sliding swinging plug B on the damping device is clamped in a first locking notch in the damping device by a cable, a strap or a rope; when the drawer continues being closed, the sliding swinging plug B touches a shifting nail B arranged at the rear end of the fixed slide rail or the movable slide rail, so that the sliding swinging plug B is released from the first locking notch; and the drawer is automatically closed by a damping spring. A pushing rebounding device is arranged on the movable slide rail, the fixed slide rail or the side plate of the cabinet; when closed, the drawer is automatically stopped at a position which is distant from a pre-stopping position of the side plate of the cabinet by a distance H through an elastic stopping block on the pushing rebounding device, and is positioned by elasticity; and moreover, the drawer is automatically opened by the elastic stopping block.

The invention discloses a pecan hulling machine. The pecan hulling machine comprises a machine frame, wherein the machine frame is provided with a feed device, a hulling device, a discharge device and a power transmission device, wherein the feed device comprises a feed hopper and a feed pipe; the hulling device comprises a feed cylinder and a beating rod assembly; a plurality of outwards convex hammer bases are evenly arranged on the circumference of the feed cylinder; a plurality of small concave pits are formed in the inwards concave surfaces of the hammer bases; the beating rod assembly comprises a beating rod idler wheel, a beating rod, a beating rod bearing base, a beating rod hammer and a beating rod spring; the front end and the rear end of the beating rod are provided with the beating rod hammer and the beating rod idler wheel respectively; the middle of the beating rod is hinged to the beating rod bearing base to form a lever fulcrum; the upper end of the beating rod spring is connected to the beating rod; the lower end of the beating rod spring is fixed to the machine frame; the beating rod is driven through a cam mechanism to vertically swing; the cam mechanism comprises a cam and a flat board; the flat board is arranged at the opposite end of the convex surface of the cam. The pecan hulling machine has the advantages that granules of hulled pecans are full and low in degree of breakage, the level of integration and degree of automation are high, the hulling efficiency is high, and cost is low.

The invention provides a swing saw bag breaking machine, which is characterized in that it includes a feeding device and a bag breaking device, wherein the feeding device is a toothed conveyor, and the bag breaking device includes a swing saw device, and the swing saw device includes an arm-shaped The swing saw and the swing mechanism that drives the swing saw also include a thorn bag breaking device and a circular saw device, which have the functional characteristics of reliably and efficiently piercing solid waste bags and bag-in-bags.

The invention discloses an injection-molded part forming method requiring two stages of core pulling. During mold splitting, a core pulling oil cylinder drives a primary core pulling sliding block slidingly connected with the interior of a secondary core pulling sliding block to slide backwards, and the primary core pulling sliding block then drives a core pulling spindle slidingly connected with the primary core pulling sliding block to move backwards, so that primary core pulling is completed; the core pulling oil cylinder continues to act to pull the secondary core pulling sliding block to move backwards through the primary core pulling sliding block, so that secondary core pulling is completed; then, a product is ejected out of a movable mold; the core pulling oil cylinder acts backwards to allow the primary core pulling sliding block to move forwards, then to drive the core pulling spindle to move forwards and to stretch out of the forming end of the secondary core pulling sliding block; the core pulling oil cylinder continues to act to drive the secondary core pulling sliding block and the core pulling spindle to synchronously move forwards to reset, by this time, injection molding of a next product can begin. With the adoption method, a mould structure can be simplified, lateral core pulling in two any directions on one side of a product can be adapted, and backward movement of the core pulling spindle and the sliding blocks can be avoided.

The invention belongs to the field of motorcycle accessories, and particularly discloses an inflatable anti-oscillation oil tank for a motorcycle. The inflatable anti-oscillation oil tank for the motorcycle comprises a tank body and a tank cover. An oil filling opening is formed in the tank body and covered with the tank cover. The inflatable anti-oscillation oil tank for the motorcycle further comprises an oil pipe, a floating plate and an air bag. The upper end of the oil pipe is connected with the oil filling opening. The lower end of the oil pipe stretches to the bottom of the tank body. A stopping block is arranged at the lower end of the oil pipe. The floating plate is arranged on the oil pipe in a sleeving mode and located above the stopping block. The air bag is arranged above the floating plate and comprises an air inlet and an air outlet. The air inlet is provided with a one-way valve. An air inlet pipe is connected to the one-way valve. An inflator is connected to the other end of the air inlet pipe. An air outlet hole is formed in the top of the tank body. An air outlet pipe is arranged between the air outlet hole of the tank body and the air outlet of the air bag. An air plug is arranged in the air outlet hole of the tank body. According to the inflatable anti-oscillation oil tank for the motorcycle, the effect of preventing gasoline from oscillating is stable.

The invention discloses a transportation system and method of high concentration solid granule suspending solution, wherein the system includes a mixing device for forming the high concentration solid granule suspending solution; a transporting pump and a suspending solution reaching device needing the high concentration solid granule suspending solution, wherein the mixing device, the transporting pump and the suspending solution reaching device are in turn connected via a transporting pipe. The system also includes a clean water device for rinsing the transporting pipe and the transporting pump, which is connected with the transporting pipe via a rinsing pipe; the rinsing pipe of the clean water device is provided with a rinsing valve and the transporting pipe is arranged with a transporting valve. In the mixing device, the feeding pipe port of the transporting pipe is downward bent, and the feeding pipe port of the transporting pipe and the bottom part of the mixing device are formed with a gap. The invention solves the problem in the prior art that the whole system cannot work normally because the solid granules in the suspending solution are deposited in the pipe to block the pipe and clamp the valve and the transporting pump.

The invention relates to an adhesive-tape type carton sealing machine, in particular to an adhesive-tape type carton sealing machine which conveniently and quickly changes an adhesive tape. The adhesive-tape type carton sealing machine comprises a machine seat, an upper machine core, a lower machine core and two conveyors, wherein the upper machine core is arranged at the upper part of the machine seat and is used for adhering and sealing the upper part of a carton body, the lower machine core is arranged at the lower part of the machine seat and is used for adhering and sealing the lower part of the carton body, and the two conveyors are used for conveying the carton body; the lower machine core is arranged at the lower part of the machine seat in a sliding manner; and the sliding direction of the lower machine core is vertical to a conveyance direction of the carton body. The invention aims at providing an adhesive-tape type carton sealing machine which has the advantages that the adhesive tape is convenient to change, and the working efficiency is high, and the carton sealing machine is more suitable for high-speed and large-batch production line.

The invention relates to a flow construction method of an underground pipe gallery inner mold system. A pair of mold frame automatic control units is arranged on the same section of a pipe gallery. During construction, after top mold plates, side mold plates and corner mold plates stretch to design positions, an independent early demounting mold plate is mounted at the clearance position of the two top mold plates; complete supporting is formed by the top mold plates, the side mold plates, the corner mold plates and the early demounting mold plate, and pouring is carried out; after concrete reaches certain strength, the top mold plates, the side mold plates and the corner mold plates retract and move to the next work station along with trolleys; and meanwhile, the early demounting mold plate is kept in a supporting state, the early demounting mold plate is demounted after the concrete reaches certain strength, and the demounted early demounting mold plate and the mold frame automatic control units reaching the next work station cooperate to complete subsequent supporting. According to the method, the mold demounting wait time is shortened, the movement and preparation time of the mold frame automatic control units is saved, and repeated utilization is convenient.

The invention discloses a progressive stamping die of a motor rotor. The progressive stamping die of the motor rotor comprises an upper die body and a lower die body. An upper mounting plate of the upper die body is provided with a first punch column and a second punch column which are arranged in parallel in the feeding direction. Punches in the first punch column and punches in the second punch column are staggered, and the center-to-center distance between the first punch column and the second punch column is smaller than the diameter of the motor rotor. A lower die plate of the lower die body is provided with a first die cavity column and a second die cavity column in the feeding direction. The first die cavity column and the second die cavity column correspond to the first punch column and the second punch column respectively. The progressive stamping die of the motor rotor is high in production efficiency and low in manufacturing cost.