66results about How to "Avoid crushing situations" patented technology

The invention belongs to the technical field of railway transportation equipment and discloses a non-stop boarding and deboarding type passenger train system and a train non-stop boarding and deboarding method. The system comprises a main rail, a train, auxiliary rails, a passenger boarding transport flat car and a passenger deboarding transport flat car, and the passenger boarding transport flat car and the passenger deboarding transport flat car move along the auxiliary rails. A passenger transfer carriage is loaded on the passenger boarding transport flat car, the train is provided with a flat plate section which carries a passenger transfer carriage, the passenger transfer carriage of the train is transversely pushed to the passenger deboarding transport flat car to realize deboarding, and the passenger transfer carriage on the passenger boarding transport flat car is transversely pushed to the train to realize boarding. Quickness in passenger transferring is realized, parallel movement length of the train and transferring trains is decreased, and injuries of crowded passengers and time insufficiency in passenger transferring due to short transferring time can be avoided.

The invention provides an automatic train turn-back method and device, electronic equipment and a storage medium. The method comprises the steps: if a next station of a train is determined to be a terminal station, sending an alarm that the train is about to enter an automatic turn-back AR mode before the train arrives at a turn-back rail of the terminal station; receiving confirmation operation of a driver for the AR mode alarm and manual control operation of the driver of closing the current control end; controlling the train to enter a turn-back rail and stop at a turn-back platform of the terminal station, judging whether the current route of the train is a turn-back route or not, and if yes, triggering a control end and a waiting end to exchange a process; and sending an interchange process completion signal to prompt the driver to enter the interchanged control end so that the driver can start manual control of the interchanged control end. According to the method, the device, the electronic equipment and the storage medium provided by the invention, the requirements for response time and operation of a driver are reduced, and the time consumption is reduced so as to avoid a vehicle pressing condition in an operation peak period.

The invention discloses plastic production equipment. The plastic production equipment structurally comprises a feeding hopper, a crushing bin, a power bin, a base support, and a collection hopper; the power bin is installed at the rear end of the crushing bin; the base support is embedded in and fixed at the lower end of the crushing bin; the collection hopper is in clearance fit with the base support; the crushing bin is welded to the lower end of the feeding hopper; through the cooperation of a rotating block in the crushing bin and a crushing tool, spherical polyethylene plastic can be crushed, a cutting blade is driven by a movable bending rod to cut the polyethylene plastic to avoid the condition that the polyethylene plastic is not likely to be crushed by the crushing tool, a crushing mechanism on a telescopic block can crush the spherical polyethylene plastic with smaller size, and a tool bit on a connecting rod can cut the spherical polyethylene plastic of which the bottom issmaller to avoid the condition that a cutting mechanism cannot crush spherical polyethylene plastic with smaller size.

The invention discloses a communication cabinet with an overcurrent protection function. The communication cabinet comprises a press contact switch, a press plate, an upright post, a heating net, a first heat radiation sheet, spring posts, an arc-shaped top plate, an overload protector, a condensing pipe, a refrigeration block, a condensing box, a condensing box installing plate, electromagnetic valves, a three-way pipe, a fan, a square heating pipe, a heating wire, an air outlet joint, outer plates, inner plates, a temperature and humidity sensor, article placing plates, a heat radiation fan,reinforcing posts, cavities, heat radiation pipes, a lightning protector, a cabinet body and a cabinet door. The communication cabinet with overcurrent protection function comprises a heat radiationdrying mechanism; the heat radiation effect is relatively good; the communication cabinet is applicable to cabinet bodies with greater volume; the communication cabinet with the overcurrent protectionfunction comprises a cabinet top mechanism; in snowy days in winter, when snow accumulated on the top plate of the cabinet top mechanism is much, the press contact switch can be closed, so that the heating net in the arc-shaped top plate works; when the heating net works, accumulated snow on the arc-shaped top plate thaw; the occurrence of the snow accumulation condition on the top of the cabinetbody is reduced; the occurrence of the condition that the cabinet body collapses under the pressure of the accumulated snow is favorably avoided.

The invention provides rotary tower type non-stop unwinding equipment. The rotary tower type non-stop unwinding equipment comprises a scroll lifting part, a scroll rotating part, a cutting part and apaper path buffer part, wherein the scroll lifting part comprises a supporting frame and a tray frame; a V-shaped disc driven by a regulating mechanism is arranged on the tray frame; one end of the tray frame is provided with a protective mechanism; the scroll rotating part comprises two unwinding wall boards and a rotary disc; a supporting positioning mechanism is arranged between each rotary disc and each unwinding wall board; two scroll clamping mechanisms are arranged on the two rotary discs; a transmission mechanism is arranged between each unwinding wall board and each scroll clamping mechanism; the cutting part comprises two groups of cutting devices; and ach cutting device comprises a pressing mechanism and a cutter. A non-shaft type two-side synchronous drive way is adopted, so that the problems such as poor unwinding stability and poor accuracy are solved; and moreover, the rotary tower type non-stop unwinding equipment is stable for positive and negative unwinding ways, andhas characteristics of transmission stability, high safety and applicability to smaller-roll-diameter scroll cutting.

The invention provides a grinding device for a joint of a ceramic blank and an application method thereof and relates to the field of ceramic processing. The grinding device for the joint of the ceramic blank comprises a base. Supporting columns are fixedly connected to two sides of the top of the base, a clamping device is welded to the tops of the supporting columns, the clamping device comprises a supporting cover, a lifting mechanism is arranged on the inner side of the supporting cover, the lifting mechanism comprises a sliding cover, and the top of the sliding cover penetrates the bottomof the supporting cover and stretches into an inner cavity of the supporting cover. When the device is used, a ceramic blank body is placed to the top of a lifting table and the ceramic blank body isfurther lifted through the lifting table according to the shape of the ceramic blank body, so that the ceramic blank body can be clamped by the clamping device conveniently, and the ceramic blank body can be safely and conveniently fixed. A winching wheel can winch different positions of the ceramic blank body, so that the joint of the ceramic blank body is ground conveniently.

The invention belongs to the technical field of biomass fuels, and in particular relates to a mobile plant biomass pulverizing device. The technical problem to be solved by the present invention is toprovide a mobile plant biomass pulverizing device capable of screening sand, capable of automatic bagging, having good pulverizing effect, and saving time and labor. The mobile plant biomass pulverizing device comprises a storage box, universal wheels, a foot brake, a hinge, a box door, a first sliding sleeve, a second sliding sleeve, a T-shaped sliding rod, a bracket, a circular crushing box, afirst bearing seat, etc.; and the foot brake is installed on one universal wheel, the box door is hinged to the front side of the storage box through the hinge, the first sliding sleeve is fixed to the upper end of a side of the hinge, the second sliding sleeve is fixed to the side part of the storage box, and the first sliding sleeve corresponds to the second sliding sleeve. The mobile plant biomass pulverizing device achieves the effects of screening sand, automatically conducting bagging, being good in smashing effect, dustproof and energy-saving, saving time and labor, and having a dryingfunction.

The invention relates to a hammer, more specifically a new type of hammer device suitable for various iron nails, on which iron nails of different lengths and diameters can be fixed, and there is no need to hold the iron nails by hand when nailing nails, so as to avoid hand-holding due to improper operation. Occurrence of injuries from being smashed. The front and rear ends of the convex seat are provided with fixed sleeves, and the two fixed sleeves are located at the lower end of the convex seat, and the iron nail fixing assembly is arranged at the lower end of the hammer body; Thumb screw connecting rods are fixedly connected between the sliding side rods, and the middle position of the thumb screw connecting rods is connected with a thumb screw through threads. On the right end face of the hammer body, the iron nail top plate is located below the convex seat, and the iron nail top plate is matched with the right end surface of the hammer body. The iron nails are placed in grooves, and the front and rear ends of the front plate are fixedly connected with round rod inserting plates.

The invention belongs to the field of machining equipment, and particularly relates to a straightening tool for adjusting the flatness of a workpiece. The straightening tool comprises a supporting assembly and a straightening assembly, and the supporting assembly is symmetrically arranged with the straightening assembly as the center; the supporting assembly comprises a supporting table, and a supporting notch used for clamping a workpiece is formed in the upper end face of the supporting table; the straightening assembly is composed of an ejection block and a pressing head, and the ejector block is arranged under the pressing head. A height adjusting mechanism is arranged below the ejection block, or the supporting notch is composed of a bottom support and side clamping plates on the two sides of the bottom support, and the bottom support and the supporting table are integrated and arranged at the top end of the supporting table. Through the arrangement of the ejection block, the situation that a workpiece is pressed to be broken in the straightening process can be effectively avoided; and the straightening efficiency and the straightening effect can be greatly improved.

The invention provides a needle tip tea caddy capable of separating tea dust during tea taking, which comprises a tea caddy body. A plurality of shock transmission lifting sliding grooves are formed in the inner wall of the tea caddy body, shock transmission lifting sliding blocks are slidably connected to the inner walls of the shock transmission lifting sliding grooves, tension springs are fixedly connected to the surfaces of the shock transmission lifting sliding blocks, and the ends, away from the shock transmission lifting sliding blocks, of the tension springs are fixedly connected withthe inner bottom walls of the shock transmission lifting sliding grooves. According to the needle tip tea caddy capable of separating the tea dust during tea taking, which relates to the field of tea,the shock force is accurately controlled, the shock force is reasonably distributed in the tea caddy, tea dust of tea leaves is separated through the shock force, meanwhile, the tea leaves are shocked out, and therefore the problems that when a common tea caddy is used, the tea leaves need to be grabbed by hands, the tea leaves are prone to being grabbed to be broken, much tea dust exists in thetea caddy, tea waste is caused, and the taste is prone to being affected when the tea dust enters a cup are effectively solved.

The invention relates to the technical field of training safety, in particular to a safety protection system applied to a barbell, which comprises a falling protection module, and the falling protection module comprises an acceleration acquisition module, a falling analysis module and an emergency protection module; the acceleration acquisition module is used for detecting acceleration data at two ends of a barbell; the falling analysis module is used for analyzing the falling state of the barbell according to the acceleration data of the two ends of the barbell, and the falling state comprises a normal falling state and a dangerous falling state; and the emergency protection module comprises an emergency air bag arranged on a barbell disc and an inflation protection module for controlling the emergency air bag to be rapidly inflated, and the inflation protection module is used for controlling the emergency air bag to be rapidly inflated in a dangerous falling state. According to the scheme, the situation that a user is injured by a barbell is avoided through the buffering effect of the air bag, and therefore life health and safety of the user are guaranteed, and the user is safer in the strength training process.

The invention discloses a piston type food racking machine and a racking method thereof. The piston type food racking machine comprises a base, a working table is arranged on the base, and a material suction and injection device is fixed to the working table. The material suction and injection device comprises an injector assembly, the injector assembly is connected with a valve element steering component, the valve element steering component is connected with a swing steering cylinder through a crank, and the swing steering cylinder is connected with the working table through a revolute pair. The injector assembly comprises a support, the support is connected with a material suction barrel, a protrusion is arranged at one end of the material suction barrel and is connected with the valve element steering component, a material suction hole is formed inside the material suction barrel, a material suction plunger is arranged inside the material suction hole and is connected with a plunger plate, and the plunger plate is connected with a plunger type cylinder. The piston type food racking machine can improve production efficiency, accurately control the mixing proportion and weight of food materials, guarantee that the food materials will not be damaged in the filling process, ensure that products are attractive in appearance and good in taste and prevent large-particle food materials from blocking equipment.

A high-speed asphalt agitator without jam has an agitating tank with antiwear liner on its arc bottom, and two agitating axle with blades. It features that the rotational center of said agitating axle and blades and the circular center of said arc bottom are eccentric, so the distance between the tracing of blades and the antiwear liner is gradually increased, resulting in no jam.

The invention provides a thickener control system and method, and belongs to the technical field of beneficiation. The method comprises the following steps: adjusting the lifting height of a harrow frame according to the rotation resistance of the harrow frame, wherein the rotation resistance is in direct proportion to the pressure value of the pressure gauge; adjusting the rotating speed of the rake frame according to the thickness of a mud bed in the concentration tank; and adjusting the additive amount of a flocculating agent according to the suspended matter concentration of the overflow water in the overflow weir of the concentration tank. The technical effects that the automation degree of the thickener is improved, the rake pressing phenomenon is avoided to the maximum extent, the working efficiency of the thickener is improved, and the service life of the thickener is prolonged are achieved.

The invention discloses a rapid bonnet assembling assembly. The rapid bonnet assembling assembly comprises a valve assembling end, a bonnet and a bonnet lifting appliance, wherein a plurality of assembling bolts are arranged on the end surface of the valve assembling end, a plurality of assembling through holes matched with the assembling bolts are arranged in the bonnet, and a connecting boss isarranged on the side which is far from the valve assembling end of the bonnet; and the bonnet lifting appliance is matched with the connecting boss, and a handle is arranged on the bonnet lifting appliance. According to the rapid bonnet assembling assembly, the bonnet is transported through the bonnet lifting appliance, the bonnet can be rapidly assembled at the valve assembling end, the assembling efficiency is increased, and the condition of figure hurt caused by manual transportation is avoided.

The invention discloses soft foam plastic product preparation equipment which structurally comprises a handle, a conveying table and a cutting table. The handle is movably clamped with the edge side of the cutting table, the cutting table is welded to the rear end of the conveying table, and a lower plate can slide obliquely upwards along a fixed plate through continuous thrust generated by secondarily recycled soft foam plastic on sawteeth, so that the lower plate can drive the sawteeth to transversely saw off secondary recycled soft foam plastic, and the situation that vertical partition plates on the four sides of the secondary recycled soft foam plastic can be broken due to vertical downward pressing of a cutter is effectively avoided, when the cutter is driven by a lower push rod to ascend, an abutting plate extends downwards to reset to generate inertia force, and the abutting plate can repeatedly stretch out and draw back along an upper connecting plate and then reset, so that an inner connecting cavity can extrude air flow outwards to blow away foamed plastic particles attached to the bottom of a cutter body, and the situation that the foamed plastic particles are attached to the bottom of the abutting plate due to static electricity is effectively avoided.

The invention discloses a strengthened clutch and an engine. The strengthened clutch comprises a pressing plate, a friction plate assembly, a center sleeve body, an elastic assembly and a lifting plate which are sequentially arranged in the axial direction; the center sleeve body and the friction plate assembly are arranged between the lifting plate and the pressing plate in a sliding mode in theaxial direction, a spring assembly is installed in the center sleeve body and compresses the center sleeve body in the axial direction; the lifting plate is driven to overcome resilience force of theelastic assembly to drive the center sleeve body to achieve combination or separation of the friction plate assembly; and a screw pair is arranged between the center sleeve body and the pressing platein a matched mode, and when the clutch slides and grinds, the screw pair generates axial force on the center sleeve body so that the friction plate assembly can tend to be combined. The strengthenedclutch and the engine are simple in structure, convenient to machine, low in cost, and beneficial to increase of clutch reserve coefficients, increase of transmission torque, increase of engine reliability, prolong the service life of the clutch, and eliminate tremolo in the sliding friction process.

The invention discloses a hoisting structure of a flange with an inner tapered hole, which comprises a flange and a hoisting tool. The flange is provided with a bolt connection hole and a through hole; the lower part of the through hole is a tapered hole; the hoisting tool includes a suspension rod, a sleeve and multiple Group boom assembly; the sleeve is set on the boom, the upper end of the boom is provided with an upper handle, and the upper end of the sleeve is provided with a lower handle; the boom assembly includes a fixed rod, a matching rod and a connecting rod, the fixed rod and the sleeve Fixed connection, the two ends of the matching rod are respectively hinged with the fixed rod and the connecting rod, the two ends of the connecting rod are respectively hinged with the matching rod and the suspension rod, and the outer part of the matching rod is matched with the inner tapered hole of the flange; The flange with the inner tapered hole can be hoisted and transported through the cooperation of the hoisting tool with the inner tapered hole of the flange. The hoisting tool has a simple structure and is easy to operate, which improves the handling efficiency and avoids the crushing of the fingers. Improve the health of workers and reduce labor losses.

Automatic glass turning-over and conveying equipment belongs to the technical field of glass production equipment and comprises a conveying device, a turning-over device capable of independently moving and positioning is arranged in the conveying device and comprises a supporting frame, and the supporting frame is connected with a mounting seat through a lifting mechanism. The glass turnover device has the beneficial effects that the glass turnover device is simple in structure and high in universality, automatic and stable suction, turnover and conveying of glass are achieved, the problem of quality loss of the glass in the turnover process is avoided, and the glass turnover device is suitable for popularization and application. Meanwhile, the labor intensity of workers is relieved, and the production efficiency is improved.

The invention discloses a splitting method for ultrathin electronic grade glass fiber cloth. Two times of horizontal needle-punching methods are adopted for high-pressure splitting, fitness between rubber press rolls is adjusted by a press wheel fitness adjusting device, so that good splitting effect on the ultrathin glass fiber cloth is realized, meanwhile, through combination with expanding andshaping treatment of the ultrathin glass fiber cloth and special silane formula for impregnating the ultrathin glass fiber cloth, the high-performance ultrathin glass fiber cloth can be obtained, warpand weft width of the ultrathin glass fiber cloth is increased, weft twist is avoided, physical indexes such as impregnation time and air permeability are reduced, and the technical requirements of high-end copper-clad plate customers for HDI processes, IC package substrate processes and environment-friendly and halogen-free processes can be met.