32results about How to "Avoid slipping and other phenomena" patented technology

The invention discloses a metal material large-strain processing method based on multi-pair wheel rolling and equal channel corner extrusion. The metal material large-strain processing method is characterized by comprising the following steps: firstly, blanks passes through multiple pairs of rolling wheels driven by power, and the gap between each pair of rolling wheels is adjusted so that the blanks reaches the designed thickness after being rolled by multiple pairs of rolling wheels; secondly, equal channel corner extrusion dies are installed at the outlets of the last pair of rolling wheels so that the blanks reaching the designed thickness through the rolling of the rolling wheels are continuously sheared and deformed under the drive of the last pair of rolling wheels and the extrusion of the dies and then are extruded out of the dies after turning an angle of 45 to 90 degrees in the original heading direction. The invention integrates the advantages of a multi-pair wheel rollingtechnique and an equal channel corner extrusion technique, is especially suitable for the large-strain deformation processing of thin plates, and can realize energy-saving, high-efficiency, continuousand uniform large-strain deformation processing of metal materials.

The invention relates to the technical field of novel cultivation, and provides a water culture cutting reproduction method of red maple. The method includes the steps: cutting collection and treatment: trimming young sprouts of the red maple into branches with double leaves and double buds to serve as cuttings, and cutting bases of the cuttings into inclined planes; culture solution preparation: blending water, sodium ethylene diamine tetraacetate, monopotassium phosphate, vitamin C, vitamin B12 and naphthylacetic acid to serve as culture solution; water culture: obliquely inserting the cuttings into the culture solution; daily management: controlling the temperature in a cutting room, the humidity in the cutting room and the temperature DEG C of the culture solution, regularly replacing the culture solution, and adding oxygen into the culture solution. The red maple is cultivated by the method, the rooting rate and the survival rate of cutting reproduction of the red maple can be remarkably increased, labor cost is reduced, seedlings can be cultured all the year round, and the method is applicable to mass production and factory production and has good application values and practical significance.

The invention discloses a continuous pressurizing belt type dehydrator and a dehydration method. According to the continuous pressurizing belt type dehydrator, filter pressing tracks in the dehydratorare respectively provided with a track transmission mechanism; the track transmission mechanism comprises a rotating shaft, a supporting part and chain wheels; the supporting part is arranged on theperiphery of the rotating shaft; the multiple chain wheels are distributed on the rotating shaft; the outer diameter of each chain wheel is larger than the outer diameter of the supporting part; the tooth parts of each chain wheel are cooperatively connected to the filter pressing track; the outer surface of the supporting part is connected to the surface of the filter pressing track; and rollingtype auxiliary transmission mechanisms are respectively arranged on the upper side and the lower side of the wedge-shaped filter pressing area and the inner side of the filter pressing track. The dehydration method comprises: driving the filter pressing tracks to operate by using the rotating shaft and the chain wheels, supporting the filter pressing track by using the supporting part, and furtherdriving the filter pressing tracks to operate stably by using the relative movement between the rolling type auxiliary transmission mechanisms and the filter pressing tracks. According to the invention, the overall weight of the dehydrator is effectively reduced so as to substantially reduce the power source energy consumption of the filter pressing track and effectively improve the operation smoothness and stability of the filter pressing track.

The invention provides a loose rocky slope spray-seeding repairing method. The loose rocky slope spray-seeding repairing method comprises the following steps of leveling a slope surface, and removing large waste rocks; spraying cement paste; conducting mechanic compacting and spraying a bottom sealing layer; laying a protective net, and fixing the protective net on the slope surface through anchor rods; transversely arranging plant growing bags in a staggered manner; spraying a bottom substrate; laying a coconut shred blanket on the bottom substrate; spraying a middle-layer substrate; and spraying a seed layer substrate. By means of the method, rapid ecological restoration of a loose waste rock slope can be achieved, the phenomena of substrate sliding and landslide are avoided, the restored slope is high in rain wash resistance, weak in slope surface water seepage capacity and high in stability and safety, and the lasting safety and regreening effect of the slope surface can be achieved.

The invention discloses a foaming type structural adhesive and a preparation method thereof. The foaming type structural adhesive comprises the following raw materials in percentage by weight: 20-50%of epoxy resin, 10-35% of a toughening agent, 2-15% of thermoplastic resin, 10-25% of filler, 1-15% of a foaming agent, 1-10% of a foaming accelerator, 1-10% of a curing agent and 0.5-5% of an accelerator. Wherein the epoxy resin comprises at least one of bisphenol A glycidyl ether, bisphenol F glycidyl ether and bisphenol A / F diglycidyl ether; wherein the toughening agent is selected from at least one of a core-shell polymer dispersed in epoxy resin, a carboxyl-terminated butadiene rubber epoxy adduct, polyurethane-modified epoxy resin, polyether amine-modified epoxy resin and an adduct of dimer fatty acid and epoxy resin; wherein the thermoplastic resin is selected from at least one of solid rubber, phenoxy resin, thermoplastic polyether and thermoplastic polyurethane. After the foamed structural adhesive is cured, good bonding strength is provided for a bonding layer, and a connecting gap between metal plates can be effectively compensated.

The invention discloses a short-distance displacement and lifting device for chemical equipment. The device comprises a supporting bottom disc, hydraulic telescopic oil cylinders are installed on thetwo sides of the supporting bottom disc, a bearing mechanism is arranged on the supporting bottom disc, the bearing mechanism does lifting movement on the supporting bottom disc through a rotating mechanism, and a buffering supporting mechanism is installed at the lower end of the bearing mechanism. The invention further discloses a using method of the short-distance displacement and lifting device for the chemical equipment. According to the device and the method, the use is simple, lifting of the chemical equipment is driven by the rotation of a threaded rod, moving of the chemical equipmentis driven by the hydraulic telescopic oil cylinders, the operation is simple, time and labor are saved, the labor intensity of operators is reduced, through reasonable connection of steel wire ropesand the effect of anti-skid blocks, the generation of phenomena of sideslip, collapse or slipping and the like in the moving or lifting process of the chemical equipment are effectively avoided, the safety coefficient is high, use of daily maintenance and repair is facilitated, and good use and popularization values are achieved.

Belonging to the technical field of railway track circuits, the invention discloses a high-speed rail steel rail insulating elastic spacer, and aims to solve the problems of insufficient toughness and short service life of insulating elastic spacers in the prior art. The high-speed rail steel rail insulating elastic spacer comprises a bottom layer and a surface layer, the surface layer is an arc-shaped structure with a thick middle and two thin sides, the middle thickness of the elastic spacer is 10mm-15mm, both ends of the high-speed rail steel rail insulating elastic spacer are provided with a convex layer, the height of the bulge is 2-5mm, the surface layer is provided with a striated structure, which can be arbitrary shape, the bottom layer surface is provided with a concave channel structure, the striated depth is 1mm-5mm, and the bottom layer thickness is 3mm-10mm. The high-speed rail steel rail insulating elastic spacer is made of a glass fiber reinforced polyurethane material.

The invention discloses a track transmission mechanism for a continuously pressurized belt-type dehydrator and application of the track transmission mechanism. The track transmission mechanism comprises a rotating shaft, supporting parts and a plurality of chain wheels, the supporting parts are arranged at the periphery of the rotating shaft in the axis direction of the rotating shaft, the multiple chain wheels are distributed on the rotating shaft, the outer diameters of all the chain wheels are larger than those of the supporting parts, tooth parts at the peripheral edges of all the chain wheels are in matched connection with a filter pressing track, and the outer surfaces of the supporting parts are connected with the surface of the filter press track. During application, the track transmission mechanism is applied to the large-scale filter press track, the rotating shaft and the chain wheels are utilized to drive the filter press track to operate, the supporting parts are utilizedto support the filter press track, and thus the loads of the chain wheels and the rotating shaft are reduced. The track transmission mechanism is simple in structure and stable in performance, the overall weight of the dehydrator can be effectively decreased, energy consumption of a power source is reduced, and the operation stability of the filter pressing track is also improved.

The invention discloses a periodical reading display device based on periodical reading damage prevention, relates to the technical field of exhibition and display, and solves the problems that an existing display device mainly uses structures such as a display cabinet with a large space to place periodicals for display, does not have a function of horizontally fixing the periodicals, is poor in periodical stability, and may have phenomena such as automatic sliding. The periodical reading display device based on reading periodical damage prevention comprises spliced frames. The spliced framesare frame structures, and the spliced frames can be transversely and longitudinally stacked and assembled through bolts. A sliding rail frame is fixedly arranged on the rear side of each spliced framethrough bolts, and two sets of gears are rotationally arranged on the two sides of the sliding rail frame through rotating shafts. A transparent clamping cover and a push-up frame are arranged, the function of horizontally fixing the periodicals is provided for the display device, the transparent clamping cover is attached to the surfaces of the periodicals, stability can be improved, the phenomenon that the periodicals slide off is avoided, and meanwhile the transparent clamping cover protects the periodicals from the outside in an all-around mode.

The invention relates to the technical field of seedling raising, and discloses a rapid sowing and seedling raising seed film. The seed film comprises a seed film body, the seed film body is composedof three layers including a top layer, a middle layer and a bottom layer, and the top of the top layer is provided with transverse cutter cutting lines and longitudinal cutter cutting lines; and the top layer is composed of four layers which are a top film, a first square mesh layer, a rhombus mesh layer and a mesh layer shaped like a Chinese character'mi ', and the bottom of the top layer is bonded with the top of the middle layer. The transverse cutter cutting lines and the longitudinal cutter cutting lines are mutually staggered to form cells, the cells can be more conveniently separated from the seed film body through the transverse cutter cutting lines and the longitudinal cutter cutting lines, then cell type separation of the seed film body is achieved, the seed film is more convenient to use, direct seeding type field crops such as pakchoi and rice can be directly sown, traditional seedling transplantation can be omitted, and compared with manual broadcast sowing and direct sowing, thinning or seedling supplementing is not needed.

The invention discloses a cardiovascular surgery intubation propeller for department of cardiology, which relates to the technical field of medical instruments, and comprises a support plate, an upperextrusion wheel and a lower extrusion wheel are respectively arranged on the upper side and the lower side of the right side wall of the support plate, and a tooth groove is formed in the circumferential surface of the right side edge of the upper extrusion wheel. According to the cardiovascular surgery intubation propeller for the department of cardiology, an intubation tube can be clamped through mutual cooperation of the arranged upper extrusion wheel capable of ascending or descending and the fixed lower extrusion wheel, and the intubation tube can be in an S shape when passing through the space between the upper extrusion wheel and the lower extrusion wheel through sliding of the arranged intubation tube in the two limiting sleeves, and then increasing the contact area between the intubation tube and the upper extrusion wheel and the lower extrusion wheel, through the meshing of arranged teeth and tooth grooves, when the lower extrusion wheel rotates, the upper extrusion wheel can synchronously rotate, then the upper extrusion wheel and the lower extrusion wheel can push the intubation tube to move towards the front side together, and the stability of pushing the intubation tube can be improved.

The invention discloses a multifunctional dish. The multifunctional dish comprises a dish body and a base, wherein the base of the dish body is set to be the petal-shaped base with uniform radian. Themultifunctional dish disclosed by the invention has the advantages that the structure is novel; simplicity and practicability are realized; convenience is provided for people to pick up a bowl fullyfilled with food; the phenomena that a bowl body is hot and slides and the like can be avoided; through the arrangement of a waterproof timetable of the bowl body, time can be conveniently checked during eating; waterproof effects and safety are realized; and cleaning is convenient.

The invention belongs to the field of special vehicles, in particular to a snow-removing antiskid passenger ladder vehicle. The snow-removing antiskid passenger ladder vehicle comprises a passenger receiving ladder arranged on a vehicle body, the passenger receiving ladder is composed of a frame body and a plurality of steps arranged on the frame body. A fixing strip is fixedly connected to the frame body; the top ends of the fixing strips are special-shaped and can be connected with the bottom end of the frame body in a sealed and sliding mode, a hydraulic mechanism controlled by the height of the step is arranged in the step, a plurality of anti-skid blocks controlled by the hydraulic mechanism to ascend and descend are arranged in the step, and snow removing mechanisms controlled by thehydraulic mechanism are arranged on the anti-skid blocks. By arranging the steps and the anti-skid blocks, passengers can be supported through the steps, the friction force of soles of the passengersis increased through the anti-skid blocks, then the anti-skid effect is achieved, and the phenomenon that the passengers slip when passing through the passenger receiving ladder is avoided.

The invention discloses packaging equipment for a film roll. The packaging equipment structurally comprises a rotating table, a machine body, a control panel and a winding device, and the rotating table is embedded under the winding device; the control panel is fixedly embedded in the left side face of the upper end of the machine body, and located on the left side of the winding device; and the winding device is fixedly embedded over the machine body. Since anti-skid teeth and an adsorption mechanism are arranged in a containing groove, articles can be fixed through the protruding outer contours on the surfaces of the anti-skid teeth and the adsorption performance of a suction cup of the adsorption mechanism while the articles are placed, and the phenomenon that the articles slip since the surface friction force is too small in the process of wrapping the articles by equipment can be effectively avoided.

An automatic setting and reclaiming device of traffic cones belongs to the field of traffic mechanical equipment and is composed of a manipulator gripping device, a gear-rack guide linear feeder, a mounting plate, a traffic cone and a feeder conveyer belt device. The Automatic setting and claiming device of traffic cones employs a single-chip microcomputer control system and the sensor technique to accurately recognize the position of a traffic cone; the manipulator gripping device grips and sets the traffic cone accurately, it is avoided that placing the traffic cone manually wastes time andmanpower, and it is also avoided that manually placing and reclaiming the traffic cone is risky.

The invention discloses a petal-base type multifunctional bowl which comprises a bowl body and a base. A time table and a thermometer are embedded on the bowl body. The base is a uniform petal type base. The petal-base type multifunctional bowl is novel and simple in structure, is convenient for people to hold when being filled with food and can not scale the hand and fall off. Due to the arrangement of the time table on the bowl body, people can see the time conveniently, and due to the arrangement of the thermometer, people can check the temperature of food in the petal-base type multifunctional bowl. In addition, the petal-base type multifunctional bowl is waterproof, safe, reliable and convenient to clean.

The invention discloses an electronic micro-moving and braking system for a forklift. The system comprises a bracket assembly fastened to the forklift and a micro-moving assembly and a braking assembly mounted on the outer side face of the bracket assembly. A micro-moving sensor electrically connected to a micro-moving electromagnetic valve is arranged at one end of the micro-moving assembly, andthe micro-moving sensor converts an angular displacement signal of the micro-moving assembly into an electric signal and transfers the electric signal to the micro-moving electromagnetic valve on a transmission by means of a wiring harness. By arranging the micro-moving sensor on the bracket assembly and converting the angular displacement signal of the micro-moving assembly into the electric signal and transfers the electric signal to the micro-moving electromagnetic valve on the transmission, the micro-moving electromagnetic valve controls start of a micro-moving valve of the micro-moving assembly according to the received electric signal, so that a micro-moving operation of the micro-moving assembly is achieved. The whole micro-moving operation is simple to operate, quick to response and precise in micro-moving operation, so that an operational characteristic demand of the forklift is met.

The invention discloses a pelvic floor muscle contraction exerciser for postpartum recovery of a pregnant woman, which comprises a bottom plate for overall supporting and fixing, two clamping arms for clamping legs of a user are arranged above the bottom plate, and the opposite ends of the two clamping arms are provided with through holes and are slidably connected with a limiting cross rod through the through holes; the vertical section, away from one end of the bottom plate, of a first support penetrates through the limiting cross rod and is fixedly connected with the limiting cross rod. Through the cooperative use of the structures, the problems that in the actual use process, traditional pelvic floor muscle training is mostly passive training, for example, pelvic floor muscle training is achieved by applying pressure through an external instrument, or pelvic floor muscle training is achieved through electrical stimulation, the stimulation feeling of passive training on pelvic floor muscle is not strong enough, the growth and recovery of muscles are slow, and the overall physical quality of the postpartum pregnant woman is difficult to improve due to single pelvic floor muscle training are solved.

The invention discloses a wire drawing machine for precision screw production. The wire drawing machine comprises a reciprocating mechanism, a wire drawing mechanism and a wire conveying mechanism, wherein the reciprocating mechanism is internally provided with the wire drawing mechanism, the wire drawing mechanism is internally provided with the wire conveying mechanism, the reciprocating mechanism comprises a bottom plate, a top plate, supporting rods, a transverse sliding groove, a first motor, a fixing rod, a connection pin, a movable rod and a rotating sleeve, the top plate is arranged above the bottom plate, the four supporting rods are fixedly connected between the bottom plate and the top plate, the transverse sliding groove is formed in the top plate, the first motor is fixed to the lower side of the top plate through a screw, and the output end of the first motor penetrates through the top plate to be fixedly connected with the fixing rod. The wire drawing machine for precision screw production has the characteristics of being reasonable in structural design and high in machining efficiency, the conveying efficiency of a wire is greatly improved by adopting the mode of combining the reciprocating mechanism and the wire conveying mechanism when the wire drawing machine is used, meanwhile, an air cylinder is arranged so that a driving wheel can compress the wire, and the phenomena of slipping and the like of a traction wheel can be effectively avoided.

The invention discloses a wire drawing device for screw production. The wire drawing device comprises a guide rail, a movable plate is arranged above the guide rail, the movable plate moves on the guide rail, a vertical frame is arranged on the movable plate, a driving wheel and a pressing wheel located over the driving wheel are arranged on the vertical frame, the driving wheel is driven by a rotating motor to rotate, and the pressing wheel moves up and down; and one side of the vertical frame is provided with an installation plate which is vertically arranged, one side face of the installation plate is provided with a wire drawing cylinder corresponding to the driving wheel, one side of the movable plate is provided with a guide cylinder, a driving rod is arranged in the guide cylinder in a sliding mode and used for pushing the movable plate to move, and the driving rod is driven by a reciprocating mechanism to do reciprocating motion. The wire drawing device has the beneficial effects that wire drawing is conducted in the mode that the driving rod drives the movable plate to reciprocate and the driving wheel conveys materials in a combined mode, the conveying efficiency of wiresis greatly improved, meanwhile, due to the arrangement of an air cylinder, the pressing wheel can press the materials on the driving wheel, and the phenomena that a traction wheel slips and the likecan be effectively avoided.

The invention discloses a machine tool. A follow-up tapping process can be formed by the machine tool, and the phenomenon of thread sliding is avoided. The machine tool comprises a workbench base, a workbench arranged on the workbench base and capable of rotating, a machining center arranged on the side portion of the workbench and a tapping rack arranged on the side portion of the machining center, the machining center has a drilling function, and a flexible tapping mechanism is arranged on the tapping rack. The flexible tapping mechanism comprises a rack, a sliding table slidingly connectedwith the rack, an air cylinder connected with the sliding table and used for controlling the sliding table to move and a tapping assembly arranged on the sliding table.